CN207934138U - Porta Potti - Google Patents

Abstract

The utility model discloses a kind of Porta Pottis, it is related to environmental sanitation technical field, its key points of the technical solution are that including integrally formed shell, shell is equipped with import, and import is connected with the door being matched therewith, and shell upper is equipped with water tank, outer casing bottom is fixed with bottom plate, it is installed with urinal on bottom plate, is equipped with the dirt storage box being connected to urinal below bottom plate, is connected by the control mechanism of the keying for controlling water between the urinal and water tank；The outer casing bottom is equipped with idler wheel and fixed mechanism, the fixed mechanism includes clockwise and anticlockwise motor, the vertical pillar for being rotatably connected on the shaft of outer casing bottom and being threaded in shaft, it is connected by the vertical transmission component of axis between motor and shaft, pillar is equipped with gag lever post, and gag lever post opposite shell is moved along its axis.The utility model solves the problems, such as that current assembling type mobile lavatory gap has roof leaking, easy to use, is conducive to promote.

Description

Porta Potti

Technical field

The utility model is related to environmental sanitation technical fields, more specifically, it is related to a kind of Porta Potti.

Background technology

In daily life, lavatory is essential, but in many public places without fixed lavatory, moves lavatory As optimal selection, for the public place of fixed lavatory, when flow of the people is larger, often people is completely the fixation lavatory in location Suffer from, removable lavatory can be used as useful supplement.With the development of economy with the beautification of environment, outdoor moving lavatory is more and more. To make the transport of Porta Potti and easy to assembly, the shell of Porta Potti is using the component that will be processed to Assembling.

Authorization Notice No. is that the Chinese invention patent of CN102733466B discloses a kind of Modularized mobile toilet, by wall Plate, door, urinal, dirt storage box, water tank, water pipe, switch are constituted, and the integration of Porta Potti functional component is improved to can be with fast decoupled The module of combination, convenient for clearing blowdown and dismounting resettlement；The module includes separate type carrier vehicle, mainly by dirt storage box, vehicle Wheel, control lever, urinal or dirt collecting port, blowdown valve are constituted, and can easily be detached from lavatory fender body, and independent push-and-pull move or take makes Discharge ground blowdown, cleaning, return are transported to the existing lifting device including construction elevator, elevator or reach new storing Ground；The module of going along with sb. to guard him includes wallboard, door part.The invention has the following disadvantages：Lavatory shell assembles generally use portion It is connected with fastener between grafting or component between part, the structure is although easy for assembly and quick, but has the gap and deposit there are interface In roof leaking defect.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of Porta Potti, shell uses Tube body makes, and avoids assembling there are gap, and water proofing property improves.

To achieve the above object, the utility model provides following technical solution：A kind of Porta Potti, including be integrally formed Shell, shell is equipped with import, and import is connected with the door being matched therewith, and shell upper is equipped with water tank, and outer casing bottom is fixed There is bottom plate, urinal is installed on bottom plate, the dirt storage box being connected to urinal is equipped with below bottom plate, passes through between the urinal and water tank Control mechanism connection for the keying for controlling water；The outer casing bottom is equipped with idler wheel and fixed mechanism, the fixed mechanism Including clockwise and anticlockwise motor, the vertical pillar for being rotatably connected on the shaft of outer casing bottom and being threaded in shaft, motor with turn It is connected by the vertical transmission component of axis between axis, pillar is equipped with gag lever post, and gag lever post opposite shell is moved along its axis.

By using above-mentioned technical proposal, shell is integrally formed, and reduces the possibility of roof leaking.When need shift Porta Potti Position when, start motor work, motor drive shaft rotate forward, the pillar being connect with shaft thread moves up and ground Separation, shell are moved easily by roller supporting；After being moved to suitable position, start motor work, motor drives shaft anti- Turn, pillar is moved down along shaft, and shell is propped up from the ground simultaneously fixed position by pillar, to use Porta Potti.It has used The water of water tank is released by flushing toilet bowl by control mechanism after finishing, is kept hygienically clean, dirt is stored in dirt storage box, convenient for collection Middle processing.

The utility model is further arranged to：The enclosure be equipped with wiper mechanism, wiper mechanism include hand basin and The tap being located at right over hand basin, tap are connect with water tank by control mechanism.

It by using above-mentioned technical proposal, can be washed one's hands using wiper mechanism after convenient, keep clean hygiene.

The utility model is further arranged to：The control mechanism include be mounted on bottom plate on trample component, with trample The valve member that component is connected by connecting rod, valve member are connect by water inlet pipe with water tank, and valve member passes through outlet pipe one It is connect with urinal, valve member is connect by outlet pipe two with urinal, is trampled component and is driven valve member switching to make by connecting rod Water inlet pipe is obtained to be connected to one in outlet pipe one or outlet pipe two.

By using above-mentioned technical proposal, it can be jammed on after convenient and trample component, trampled component and drive valve member will be into Water pipe is connected to outlet pipe one, and water is flowed down from water tank and is rinsed under the effect of gravity to urinal.When valve member will be into When water pipe is connected to outlet pipe two, opens tap and wash one's hands.Since the two can only avoid tap always there are one opening Do not close the case where wasting water source.

The utility model is further arranged to：The valve member includes casing closed at both ends, it is in casing and logical to be located at Cross two baffle rings of connecting rod connection, positioned at the return unit of baffle ring and casing one end, water inlet pipe is connected to the middle part of casing, water outlet Pipe one and outlet pipe two are located at the both sides of water inlet pipe, baffle ring and internal surface of sleeve pipe sealing and Relative sliding, a baffle ring with it is multiple Position part connection, another baffle ring are connect with pull rod, and return unit applies pulling force to baffle ring.

It by using above-mentioned technical proposal, jams on when trampling component, tramples component and connecting rod is driven to move down, connecting rod drives baffle ring It moves down, return unit is stretched at this time, and outlet pipe one is connected to water inlet pipe, and water can be rinsed urinal；Release is trampled After component, baffle ring moves up under the action of return unit, and outlet pipe two is connected to water inlet pipe, can open tap at this time and be washed Hand.

The utility model is further arranged to：The component of trampling includes the bearing being fixed on bottom plate, is rotatably connected on Pedal on bearing and the torsional spring being arranged between bearing and pedal, pedal bottom is connect with connecting rod.

By using above-mentioned technical proposal, when jamming on pedal, pedal drives connecting rod to move downward, and unclamps pedal, then pedal Reset is lifted up under the action of torsional spring, it is easy to use.

The utility model is further arranged to：The outer casing bottom is installed with support plate, dirt storage box be positioned over support plate and Between bottom plate, the opening being adapted with dirt storage box is correspondingly provided on side wall of outer shell.

By using above-mentioned technical proposal, dirt storage box can be designed to drawer type and be pulled out from opening, work as dirt storage box in this way When the dirt of storage is more, Porta Potti is transferred to suitable position, original position can be directly put back to after new dirt storage box is replaced It is continuing with, then former dirt storage box is handled and cleaned again, reduction delays usage time.

The utility model is further arranged to：The transmission component include the driving wheel for being fixed on motor output shaft end, The coaxial impulsion wheel being fixed in shaft, driving wheel and the bevel gear that driven wheel is that axis is vertical and engages.

By using above-mentioned technical proposal, motor work drives driving wheel rotation, the driven wheel rotation engaged with driving wheel, Since driven wheel is vertical with the axis of driving wheel, to convert motor horizontal axis to vertical axis rotation.

The utility model is further arranged to：The transmission component includes the worm screw for being fixed on motor output shaft end, same Axis is fixed on the worm gear in shaft, and the axis of worm and wheel is vertical.

By using above-mentioned technical proposal, motor work drives worm screw rotation, is rotated with the worm gear of worm screw cooperation, due to snail The axis of worm and wheel is vertical, to convert motor horizontal axis to vertical axis rotation.

The utility model is further arranged to：The shell uses plastic production in a tubular form.

By using above-mentioned technical proposal, shell has higher intensity and corrosion resistance and impact resistance, uses the longevity Life length.

The utility model is further arranged to：The cover top portion is installed with head cover, and top plate, water tank are installed with below head cover It is surrounded with shell by top plate and head cover.

By using above-mentioned technical proposal, water tank takes shape in shell, and Porta Potti can be carried with water, mobile user Just.

In conclusion the utility model has the advantages that compared with the prior art：

1. shell is integrally formed, the installation seam of component is located at enclosure, good waterproof performance；

2. the outlet pipe two for connecting urinal and the outlet pipe one for connecting tap can only single and water tanks by valve member Connection, one of them is not turned off always the case where wasting water during avoiding the occurrence of use, saves water source；

3. can move be parked in it is arbitrary need position, it is easy to use；Dirt storage box can be replaced, and the up time is extended.

Description of the drawings

Fig. 1 is the axonometric drawing of embodiment；

Fig. 2 is the sectional view for showing Porta Potti internal structure faces A-A in Fig. 1；

Fig. 3 is the partial sectional view of the structure B-B direction in fig. 2 of display control mechanism；

Fig. 4 is the enlarged drawing that modular construction portions C in fig. 2 are trampled in display；

Fig. 5 is the enlarged drawing that component and connecting rod position relationship portions D in figure 3 are trampled in display；

Fig. 6 is the enlarged drawing for showing valve member internal structure portions E in figure 3；

Fig. 7 is display partial schematic diagram of the fixed mechanism structure from outer casing bottom visual angle.

In figure：1, shell；11, import；12, bottom plate；121, urinal；122, sewage draining exit；13, step；14, lockhole；15, it pushes up Plate；16, shield；161, it is open；17, support plate；18, idler wheel；2, door；21, lock pin；3, head cover；31, water inlet；32, water tank； 4, dirt storage box；5, control mechanism；51, component is trampled；511, bearing；5111, axis pin；512, pedal；513, torsional spring；52, connecting rod； 53, valve member；531, casing；5311, it perforates；532, baffle ring；5321, connecting rod；5322, transmission rod；533, return unit； 54, water inlet pipe；55, outlet pipe one；56, outlet pipe two；6, wiper mechanism；61, holder；62, hand basin；63, tap；7, solid Determine mechanism；71, fixed frame；711, mounting plate；72, motor；73, driving wheel；74, shaft；741, driven wheel；742, external screw thread； 75, pillar；751, gag lever post.

Specific implementation mode

The utility model is described in further detail below in conjunction with the accompanying drawings.

Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" refers respectively to the direction towards or away from geometric center of specific component.

Embodiment：A kind of Porta Potti, as depicted in figs. 1 and 2, including shell 1, door 2 is installed in the side wall of shell 1, It is fixed with head cover 3 at the top of shell 1, urinal 121 and wiper mechanism 6, urinal 121 and cleaning are installed in the inside of shell 1 Mechanism 6 is connected with control mechanism 5, to send water, 121 lower section of urinal to be equipped with dirt storage box 4 to urinal 121 and wiper mechanism 6 respectively, The bottom of shell 1 is equipped with idler wheel 18 and fixed mechanism 7.When needing Porta Potti changing placement location, fixed mechanism 7 It rises, shell 1 is moved easily suitable position under the action of idler wheel 18, then again falls fixed mechanism 7 so that fixed machine Structure 7 fixes 1 position of shell.After people's use finishes urinal 121, water is punched into urinal 121 by control mechanism 5, it is dirty Object enters in dirt storage box 4, then can be washed one's hands using wiper mechanism 6, hygienic and convenient.

With reference to figure 1, shell 1 is whole cylindrical, and plastic pipe making may be used, as PE, PET, HDPE, PVC, LDPE, PP, PB, PS, PC etc. have higher intensity and corrosion resistance and impact resistance, service life long.

The side wall of shell 1 offers the import 11 of rectangle, and the specification of import 11 can be 2-2.5m high and 0.5-1.5m wide. The lower section that shell 1 is located at import 11 is fixed with step 13, so that people walk 11 position of upper inlet by step 13.

With reference to figure 1, door 2 is rotatably connected on the side of import 11, and connection type can be hinge connection.Door 2 and import 11 Shape be adapted, import 11 can be blocked with side door 2.Door 2 outer walls far from rotation section on be fixed with knob, with facilitate from Outside pulls the door open 2.In order to save cost, door 2 can be molded in the following manner：It cuts to be formed by tool on shell 1 When import 11, the clout after cutting is used for making door 2.

Lock pin 21 is installed in side inner wall of the door 2 far from rotation section, in conjunction with Fig. 2, is located at 11 side of import in shell 1 Be installed with lockhole 14 on inner wall, door 2 is inserted into coordinate in lockhole 14 by lock pin 21 and be fixed so that door 2 shut after from it is external not It can open, with the privacy for the user being located inside shell 1 that adequately protects.

With reference to figure 2, the bottom level of shell 1 is installed with bottom plate 12, the horizontal cross-sectional profile phase one of bottom plate 12 and shell 1 It causes, bottom plate 12 may be used material identical with shell 1 and make.Bottom plate 12 can be welded and fixed or be threadedly coupled with shell 1.

Urinal 121 is mounted on position of the bottom plate 12 far from import 11, and sewage draining exit 122, sewage draining exit 122 are equipped on bottom plate 12 It is connected to positioned at 121 bottom of urinal and with the dirt storage box 4 of 12 lower section of bottom plate.It is located at below bottom plate 12 in 1 bottom of shell and is further fixed on Support plate 17, forms the cavity for accommodating dirt storage box 4 between support plate 17 and bottom plate 12, dirt storage box 4 is placed on support plate 17 On.In order to facilitate transfer dirt storage box 4, strip mouth is equipped on shell 1, dirt storage box 4 can be designed to drawer type and from strip Shape mouth pulls out.In this way when the dirt that dirt storage box 4 stores is more, Porta Potti is transferred to suitable position, by new dirt storage box 4 Original position can be directly put back to after replacement to be continuing with, then former dirt storage box 4 is handled and cleaned again, when reduction delays use Between.

With reference to figure 2, the upper end of shell 1 is horizontally fixed with top plate 15, and top plate 15 and the internal diameter of shell 1 are adapted.Top plate 15 Water tank 32 is surrounded between shell 1 and head cover 3, so as to water storage.It is provided through water inlet 31 at the peak of head cover 3, uses Running water pipe moisturizing into water tank 32 outside connection.

Wiper mechanism 6 includes the holder 61 being fixed on vertically on bottom plate 12,62 and of hand basin mounted on 61 top of holder Tap 63 right over hand basin 62 is set, and the osculum of hand basin 62 is connected to by drainpipe with urinal 121.In this way when When user's opening tap 63 is washed one's hands, used water can be rinsed urinal 121 by drainpipe, improve water Utilization rate.

With reference to figure 2, control mechanism 5 is close to the inner wall setting of shell 1, is fixed with shield 16 in 5 outside of control mechanism, improves Aesthetics inside Porta Potti.

With reference to figure 3, control mechanism 5 includes being mounted on bottom plate 12 to trample component 51, tramples component 51 by setting vertically The connecting rod 52 set is connected with valve member 53, and valve member 53 is connected to by water inlet pipe 54 with water tank 32, valve member 53 with just Pond 121 is connected by outlet pipe 1, and valve member 53 is connect with tap 63 by outlet pipe 2 56.

With reference to figure 4, it is equipped with opening 161 in the bottom end of shield 16, component 51 is trampled and is stretched out from opening 161, so as to user It can be touched with foot and trample component 51.

With reference to figure 4 and Fig. 5, it includes two bearings 511 being vertically fixed on bottom plate 12 to trample component 51, and bearing 511 pushes up End is hinged with pedal 512, and axis pin 5111 is equipped between two bearings 511, and torsional spring is equipped between bearing 511 and pedal 512 513, torsional spring 513 is set on axis pin 5111, and one end of torsional spring 513 is fixedly connected with bearing 511, the other end and 512 bottom of pedal Face is fixedly connected.After jamming on pedal 512 with foot, pedal 512 is moved down around articulated section, and pedal 512 drives connecting rod 52 downward It is mobile.After foot leaves pedal 512, pedal 512 is lifted up reset under the action of torsional spring 513.

With reference to figure 6, valve member 53 includes the casing 531 of cylinder, is mounted in casing 531 and along axis Relative sliding Two baffle rings 532, the return unit 533 that is located between baffle ring 532 and casing 531.The edge of baffle ring 532 and 531 inner wall of casing It sealing, is fixedly connected by connecting rod 5321 between two baffle rings 532, the diameter of connecting rod 5321 is less than the internal diameter of casing 531, So that forming closing inner chamber between two baffle rings 532 and casing 531.

Return unit 533 can be spring, and a baffle ring 532 is connect with spring, and spring generates baffle ring 532 upward drawing Power, another baffle ring 532 are fixedly connected by transmission rod 5322 with connecting rod 52.In one end of casing 531 perforation is equipped with along axis 5311, transmission rod 5322 passes through perforation 5311 and relatively moves.

Set on the side wall of casing 531 there are three through-hole, water inlet pipe 54, outlet pipe 1 and outlet pipe 2 56 respectively with its In the connection of through-hole, outlet pipe 1 and outlet pipe 2 56 are located at the both sides up and down of water inlet pipe 54.When two baffle rings 532 When moving upwardly so that water inlet pipe 54 is connected to outlet pipe 2 56, tap 63 is opened, then water interior in water tank 32 can be from water 63 outflow of tap is washed one's hands with facilitating；When two baffle rings 532 move down, water inlet pipe 54 is disconnected with outlet pipe 2 56, water inlet pipe 54 are connected to outlet pipe 1, and the water in water tank 32 declines along outlet pipe 1 and is rinsed to urinal 121.

With reference to figure 7, idler wheel 18 is installed in the bottom of shell 1, idler wheel 18 can there are three and be uniformly distributed, moved with facilitating Dynamic shell 1.

Fixed mechanism 7 includes motor 72, is rotatably connected on the shaft 74 of 17 bottom surface of support plate vertically, is fixed in shaft 74 Driven wheel 741 and the pillar 75 that is connected in shaft 74, be fixedly connected with driving wheel 73 in the output shaft end of motor 72, it is main Driving wheel 73 engages to form the vertical bevel gear of axis with driven wheel 741.It is equipped with outer spiral shell in the one end of shaft 74 far from support plate 17 Line 742, there are three pillars 75 and is uniformly distributed, and the end of three pillars 75 links together, and interconnecting piece is matched with external screw thread 742 It closes.Gag lever post 751 is equipped on pillar 75 vertically, gag lever post 751 passes through fixed frame 71 and moves up and down relatively.In 1 inner wall of shell It is installed with the fixed frame 71 of triangle positioned at 17 lower section of support plate, the mounting plate for being used to support motor 72 is fixed on fixed frame 71 711.Motor 72 is clockwise and anticlockwise motor, and motor 72 is electrically connected with external control switch, and control switch may be mounted at outside shell 1 On wall.As needed, driving wheel 73 can also be replaced with driven wheel 741 with worm gear structure.

Motor 72 rotates forward, and motor 72 drives driving wheel 73 to rotate, and the driven wheel 741 engaged with driving wheel 73 rotates, driven Wheel 741 drives the shaft 74 that is coaxially fixedly connected to rotate, since pillar 75 is threadedly coupled with shaft 74, pillar 75 along turn Axis 74 moves down, and the bottom end of pillar 75 is less than idler wheel 18, this shell 1 is supported by pillar 75 and fixed；When motor 72 inverts, electricity Machine 72 drives shaft 74 to invert, and pillar 75 moves up along shaft 74, the bottom end of pillar 75 gradually and surface separation, shell 1 It is supported, can move by idler wheel 18.

The operation principle of the Porta Potti is as follows：

Porta Potti is moved to appropriate location, then starts motor 72 so that pillar 75 moves down shell 1 is fragmented Ground is fixed.After people's use finishes urinal 121, pedal 512 is jammed on, pedal 512 drives connecting rod 52 to move downward, and connecting rod 52 is drawn Dynamic baffle ring 532 is moved downward along casing 531 so that water inlet pipe 54 is connected to outlet pipe 1, and the water in water tank 32 is to urinal 121 are rinsed.After unclamping pedal 512, baffle ring 532 moves up reset under the action of return unit 533, water inlet pipe 54 with go out Water pipe 2 56 is connected to, and opening tap 63 can wash one's hands, and keep clean hygiene.

Dirt is flushed in dirt storage box 4, when the dirt capacity of dirt storage box 4 reaches the upper limit, starts motor 72 so that pillar 75 move up and surface separation, shell 1 are supported by idler wheel 18.Porta Potti is transferred to filth disposal station, it can be dirty by storage The dirt storage box 4 that case 4 takes out and more renews, then Porta Potti is moved to original position for using.Later to the dirt of dirt storage box 4 It is handled and concentrates cleaning dirt storage box 4.

The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (10)

1. a kind of Porta Potti, including integrally formed shell (1), shell (1) is equipped with import (11), and import (11) is connected with The door (2) being matched therewith, shell (1) top are equipped with water tank (32), and shell (1) bottom is fixed with bottom plate (12), bottom plate (12) On be installed with urinal (121), the dirt storage box (4) being connected to urinal (121) is equipped with below bottom plate (12), it is characterised in that：It is described It is connect by the control mechanism (5) of the keying for controlling water between urinal (121) and water tank (32)；Shell (1) bottom Idler wheel (18) and fixed mechanism (7) are installed, the fixed mechanism (7) includes clockwise and anticlockwise motor (72), is rotatably connected on vertically The shaft (74) of shell (1) bottom and the pillar (75) being threaded in shaft (74), between motor (72) and shaft (74) By the vertical transmission component connection of axis, pillar (75) is equipped with gag lever post (751), gag lever post (751) opposite shell (1) edge Its axis moves.

2. Porta Potti according to claim 1, it is characterised in that：The shell (1) is internally provided with wiper mechanism (6), Wiper mechanism (6) includes hand basin (62) and the tap (63) being located at right over hand basin (62), tap (63) and water tank (32) it is connected by control mechanism (5).

3. Porta Potti according to claim 2, it is characterised in that：The control mechanism (5) includes being mounted on bottom plate (12) on trample component (51), with valve (2) component for trampling component (51) and being connect by connecting rod (52), valve (2) component It is connect with water tank (32) by water inlet pipe (54), valve (2) component is connect by outlet pipe one (55) with urinal (121), valve (2) component is connect by outlet pipe two (56) with urinal (121), is trampled component (51) and is passed through connecting rod (52) band movable valve (2) group Part switches so that water inlet pipe (54) is connected to one in outlet pipe one (55) or outlet pipe two (56).

4. Porta Potti according to claim 3, it is characterised in that：Valve (2) component includes set closed at both ends Manage (531), be located at casing (531) in and by connecting rod (5321) connect two baffle rings (532), be located at baffle ring (532) and The return unit (533) of casing (531) one end, water inlet pipe (54) are connected to the middle part of casing (531), outlet pipe one (55) and water outlet Pipe two (56) is located at the both sides of water inlet pipe (54), baffle ring (532) and casing (531) inner wall sealing and Relative sliding, one Baffle ring (532) is connect with return unit (533), another baffle ring (532) is connect with pull rod, and return unit (533) applies baffle ring (532) Add pulling force.

5. Porta Potti according to claim 4, it is characterised in that：The component (51) of trampling includes being fixed on bottom plate (12) bearing (511) on, the pedal (512) being rotatably connected on bearing (511) and it is arranged in bearing (511) and pedal (512) torsional spring (513) between, pedal (512) bottom are connect with connecting rod (52).

6. Porta Potti according to claim 3, it is characterised in that：Shell (1) bottom is installed with support plate (17), Dirt storage box (4) is positioned between support plate (17) and bottom plate (12), is correspondingly provided on shell (1) side wall and dirt storage box (4) phase The opening of adaptation.

7. Porta Potti according to claim 1, it is characterised in that：The transmission component is defeated including being fixed on motor (72) The driving wheel (73) for going out shaft end, the impulsion wheel being coaxially fixed in shaft (74), driving wheel (73) are axis with driven wheel (741) Line is vertical and the bevel gear that engages.

8. Porta Potti according to claim 1, it is characterised in that：The transmission component is defeated including being fixed on motor (72) The worm gear for going out the worm screw of shaft end, being coaxially fixed in shaft (74), the axis of worm and wheel are vertical.

9. Porta Potti according to claim 1, it is characterised in that：The shell (1) uses plastic production in a tubular form.

10. Porta Potti according to claim 9, it is characterised in that：It is installed with head cover (3) at the top of the shell (1), is pushed up It is installed with top plate (15) below lid (3), water tank (32) is surrounded by top plate (15) and head cover (3) with shell (1).