CN109199183A

CN109199183A - self-propelled bathtub

Info

Publication number: CN109199183A
Application number: CN201811164002.9A
Authority: CN
Inventors: 张伟文
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-07
Filing date: 2013-04-11
Publication date: 2019-01-15
Also published as: CN103171825A; CN107136986A; CN106966051A; CN106945940A; CN106943058A; CN106821081A

Abstract

One or more wheels are fixedly mounted in a kind of self-propelled bathtub, alternatively referred to as wheel dynamic formula bathtub, including bathtub cylinder body and wheel on bathtub cylinder body, and the height that bathtub lies against the minimum point of each wheel when level ground is greater than or equal to the minimum point of bathtub;When lifting certain one end of cylinder body, the height of the minimum point of one or more wheels is lower than the minimum point of bathtub, thus make wheel and ground face contact and the moiety by weight for bearing bathtub, it is mobile so as to push bathtub.The cylinder body refers to cylinder body that is moveable rather than being fixedly mounted on ground.

Description

Self-propelled bathtub

This patent is divisional application.Original applying number is 2013101231884 titles: Novel multi-purpose container, the applying date The divisional application of 2013-04-11.

Technical field

The present invention relates to a kind of containers.The volume of a container and size are changeable, when being dimensioned for human body inner When shower is impregnated in face, bathtub use can be used as, and possess the unexistent multiple beneficial effect of common bathtub because of its special construction Fruit, this is the primary and foremost purpose of the design, and therefore, the present invention belongs to bathtub field first.The present invention relates to one kind can make bathtub Container, so-called " can make " bathtub, that is it is not " can only make bathtub ", its another function is to utilize two independence Cavity be separately contained water purification and dirty water (such as vegetable washing water, which is reused in, flushes the toilet), therefore also belong to the water intaking of fixed buildings It catchments the technical field of water dispensing apparatus.It can make bathtub the present invention relates to one kind but be not limited to only make the container of bathtub, the container Another function is to separate to contain two kinds of different materials and carry two kinds of materials together using two independent cavity, such as The turnover box of factory, therefore also belong to the technical field of the material object storage transport in operation transport class.Due to this appearance Structure both when device is as bathtub and as the container of other purposes is duplicate, the only difference of size, because This, this specification embodiment below was illustrated by taking " container is used as bathtub " as an example.It is convenient for statement, it incite somebody to action this below Invention is referred to as " the utility model bathtub " or " the utility model container ".

Background technique

Though existing bathtub has various shape but is essentially all upper opening of bathtub construction in society, for the ease of table It states, these bathtubs is approximately regarded as to the cuboid of upper surface opening.It is wherein opposite to the upper surface for carrying human body just Often sit or lie in is bottom surface (bottom surface of existing bathtub have plenty of plane have plenty of curved surface have plenty of step surface) thereon.After bathtub Facade refers to the facade that back is relied on when human normal faces upward and reclines in bathtub.The preceding facade of bathtub refers to opposite with rear facade And when human normal faces upward and reclines in bathtub, closest to the facade of people's foot, (the preceding facade of existing bathtub has plenty of what plane had It is curved surface).Bathtub left side refers to facade (the existing bath when human normal faces upward and reclines in bathtub closest to people's left hand left foot The left facade of cylinder has plenty of plane and has plenty of curved surface).Bathtub right side refers to most to be connect when human normal faces upward and reclines in bathtub The facade of person of modern times's right hand right crus of diaphragm (the right facade of existing bathtub has plenty of plane and has plenty of curved surface).Bathtub front refers to stands by nearby A part of the bathtub ontology in face.Bathtub rear portion refers to a part of the bathtub ontology close to rear facade.Bathtub top, which refers to, to be leaned on A part of the bathtub ontology of nearly upper surface.Bathtub lower part refers to a part of the bathtub ontology close to bottom surface.It is existing in society Bathtub there are the following problems: 1, Iinvalid volume is wasted water greatly very much seriously, to excessive water heating also just waste combustion gas.2, due to The completely open rapid heat dissipation of the bathtub water surface, the water that midway wants multiple venting a part to turn cold of bathing newly add the water of a part of high temperature again To keep the water temperature in cylinder, also very the combustion gas of water wasting expense is again troublesome.3, function is too single.4, though existing some mobile bathtub dresses There is wheel, but is all routinely mounted in the beneath of bathtub, since mobile bathtub is typically all to select the light materials systems such as plastics At flexible type, which collapses, to be split, and is usually had the even close very heavy weight of many hundreds jin when filling with water and adding human body weight again, can be damaged wheel by pressure Or so that modification due to large area does not land vacantly of bathtub bottom is collapsed and split.

Summary of the invention

To solve the above problem existing for existing bathtub, the invention discloses a kind of more multiduty containers of cavity as bath Cylinder (hereinafter referred to as the utility model bathtub), which is also provided with novel wheel, convenient to store when not used to be moved easily The space of toilet is not take up to balcony or hovel.

It is well known that enjoy bathing, tripartite's noodles part is needed, first is that water resource, second is that thermal energy consumption, third is that having enough Big toilet.In today that charges for water and electricity and room rate are all skyrocketed, housing space is also smaller and smaller, common people be unable to satisfy this three A condition.Therefore, a bathtub that can allow common people that can enjoy bathing, it is necessary to while having the function of saving at this three aspect Can, it is indispensable.It is water-saving and energy saving to realize that the present invention is exactly based on the Novel cylinder body structure of bathtub, further through the novel of bathtub " wheel-cylinder composite structure " realize the reliable mobile purpose to save space.The utility model bathtub is characterized in: The front of one slot type receptacles A makes somebody a mere figurehead to immersion non-floating ground and is provided with a lesser slot type receptacles B.This is compared with little Rong Device B is known as sub- cylinder, and biggish container A is known as female cylinder." the aerial ground " refers to that the bottom surface of set sub- cylinder is higher than female cylinder Bottom surface, and make there is certain space to can be used to accommodate liquid between two bottom surfaces." immersion ", refers to the floor height of sub- cylinder A part of volume of the elevation of water to make sub- cylinder occupy female cylinder when being arranged to fill water lower than female cylinder." the non-floating Ground " refers to that the relative position of sub- cylinder and female cylinder once determination, would not fill the variation of water level with female cylinder and change, will not be with Sub- cylinder fills the variation of water level and changes.

The sub- cylinder of the utility model bathtub and female cylinder, which can be, integrally formed (such as to be integrally formed by thermoplastic processes and is produced At), the top of the preceding facade of facade and female cylinder is integrated or is linked together before all or part of sub- cylinder, sub- cylinder The front upper part of all or part of left side and the left side of female cylinder is integrated or is linked together, the whole of sub- cylinder or portion The front upper part of point right side and the right side of female cylinder is integrated or is linked together.

The utility model bathtub is it is also possible that implement: the bottom surface of sub- cylinder and rear facade be made of one piece of arc-shaped partition, The edge of the camber partition is fixed with water-proof sealing rubber strip, is provided with arc groove rail on the inside of the left and right side of female cylinder, the groove The both sides of the edge of rail and the arc-shaped partition cooperate, and push and plug the arc-shaped partition can along the arc groove rail into female cylinder, arc-shaped partition Top be just separated out an independent sub- cylinder cavity;Arc or linear groove tracks are provided on the inside of facade before female cylinder, this is recessed The front edge of grooved rail and the arc-shaped partition cooperates, when the arc-shaped partition is pushed and plugged into female cylinder in place, the front end of the arc-shaped partition Edge is just inserted into the arc or linear groove tracks of facade inside setting before female cylinder, and the water proof formed between sub- cylinder and female cylinder is close Seal structure.There is locking mechanism such as bolt etc. between the arc-shaped partition and female cylinder.

The utility model bathtub is it is also possible that implement: the preceding facade of sub- cylinder and the cylinder of left and right side are along being fixed with anti-watertight The left and right side inside of seal strip, female cylinder is provided with groove tracks, and the cylinder of the left and right side of the groove tracks and sub- cylinder makes this along cooperating Sub- cylinder can be pushed and plugged along the groove tracks into female cylinder;Groove tracks are provided on the inside of facade before female cylinder, the groove tracks and the preceding of sub- cylinder plate are stood The cylinder in face is along cooperation, and when the sub- cylinder is pushed and plugged into female cylinder in place, the preceding facade cylinder of the sub- cylinder is along facade before the female cylinder of just insertion The groove tracks of side setting form the water proof sealing structure between sub- cylinder and female cylinder.

The utility model bathtub is it is also possible that implement: sub- cylinder is equipped with axle sleeve, be socketed with axis in axle sleeve, make sub- cylinder can edge Axis sliding, the both ends of axis are fixed on female cylinder;What the direction of axis can be horizontally oriented, can also be with vertical direction, it can also be with It is the composite shaft system structure having concurrently simultaneously, vertical location apparatus is equipped on the axis of vertical direction.

The utility model bathtub is it is also possible that implement: sub- cylinder is equipped with axle sleeve, be socketed with axis in axle sleeve, make sub- cylinder can edge The both ends of axis sliding, axis are hinged or are connected on female cylinder, and sub- cylinder can be moved away to the cavity of female cylinder without occupying when unclamping buckle The partial volume of female cylinder;What the direction of axis can be horizontally oriented, can also be with vertical direction, be also possible to have concurrently simultaneously answers Sympodium architecture is equipped with vertical location apparatus on the axis of vertical direction.

The above various embodiments can be equipped with one or more discharge outlet in the bottom surface of sub- cylinder, and the bottom surface rear portion of female cylinder is equipped with One or more discharge outlet, discharge outlet have matched spiral cover or pressing lid as usual.And after female cylinder bottom face can be made into preceding height It is low slightly to tilt benefit for draining.Since discharge outlet and its water cap are all the well known prior arts, in the accompanying drawings not every all draw Out and discuss.

In the above various embodiments, it can choose whether to increase one or more of following 3 structures: first, device Object shelves seat, such as the portion of upper surface of sub- cylinder or female cylinder is designed as closed, is provided in the closure panel recessed shallow Hole, which can cooperate with the bottom of cup or the bottom of ashtray, for inserting cup or ashtray.Referred to as drinking cup stand or cigarette Grey cylinder seat.Second, child's positioning device, such as sub- cylinder front and back facade or side can be made into inclined-plane and have a plurality of fin, can be formed The structure of washboard or the plate leaned to for child, the bottom surface of sub- cylinder are equipped with the protrusion that one piece of child for blocking to recline prevents it from gliding Or bulge loop.Third round device is fixed with one or more wheels on the cylinder body of bathtub, wheel when bathtub lies against ground The height of minimum point be greater than or equal to the minimum point of bathtub, wheel is not subject to the weight of bathtub.When the bathtub lies against ground Bottom and ground contact portion carry the total weight of the bathtub.This is a kind of bathtub wheel structure of innovation, when filling water When wheel do not stress, bath base large area lands and uniform stressed, when drained water will move bathtub, as long as raising no wheel One end, entire bathtub just leaves ground and only has wheel to land, and the weight of this sky bathtub of wheel and people's shared can be very It easily shoves along, and does not have to curved waist to push away.In toilet, the smaller family that can not place fixed bathtub is particularly practical.It is above-mentioned " one or more wheels are fixed on cylinder body " so-called fixation refers to that wheel is directly anchored to preceding facade or rear facade or the left side of cylinder Side or right side, or it is indirectly fixed to by connector any position of cylinder body.

" special construction mostly appearance of the volume less than or greater than bathtub can also be fabricated to by the housing structure in above-mentioned each scheme Chamber container ".For daily life or industrial and agricultural production transport aspect, there is very big practical value.Such as length, width and height are made all It is the 80 centimetres two cavity square plastic containers of special construction, and one tap is respectively installed in the side of size cavity (valve).Wherein big cavity is used to the vegetable washing water face washing water in collector, is used for flushing the toilet to water flowers to be used to mop floor, small cavity For storing clean water in case cutting off the water or water use peak phase water flow is used slowly.In another example being made 50 centimetres of diameter high 40 centimetres The round plastic containers of two cavity of special construction are used for the family market of farm produce Mai Yu, and to put individual state bad for being filled with water for small cavity The fish first to sell, big cavity put normal fish for filling water, and on your marks for compact-sized and energy.

Above each scheme is all to be designed according to patent claims, but in turn, the protection scope of this patent is not It is limited to above-mentioned each scheme, as long as meeting any scheme and its same accommodation of claims of this patent, both falls within this patent Protection scope.

The beneficial effects of the invention are as follows

1, as bathtub, can be kept the temperature than common bathtub.Because sub- cylinder is equivalent to a big lid of female cylinder, most of table is covered Face.The water for adding high temperature without repeatedly exhausting the water that oneself turns cold in cylinder during bathing, saves trouble.

2, it is more water-saving than common bathtub as bathtub.On the one hand do not have to repeatedly exhaust in cylinder what oneself turned cold during bathing Water adds the water of high temperature and water-saving, the volume that on the other hand small cylinder occupies are exactly the water that female cylinder is saved.

3, as bathtub, than common bathtub energy conservation gas fuel saving, on the one hand because not having to repeatedly exhaust in cylinder during bathing Water add the water of high temperature and save combustion gas, on the other hand because small cylinder occupies a part of volume of female cylinder save this part water plus Heat.

4, as bathtub, the sub- cylinder more than common bathtub can be the special bathtub of child baby.

5, as bathtub, than common bathtub it is that household brings more family happiness, because baby child and adult can one It rises and has a bath and the bathing dirty water of adult will not be dipped into child, health.The head of adult and child are substantially at sustained height, can be square Just talk with, three-person household can crowd around to be played together in this bathtub.

6, as bathtub, the sub- cylinder more than common bathtub can be used as to impregnate clothing and wash clothing by rubbing with the hands and be used, than with big bathtub Immersion wants higher can be sitting on stool of water-saving and position not operate with not bending over, can be complementary with washing machine.

7, as bathtub, the sub- cylinder more than common bathtub, can safety be used to put waterproof computer, even if computer is not small The heart, which knocks over, to fall into the water, the waterproff keyboard that can be dipped into water such as use, it can be achieved that side foam in water on one side online chat QQ, which is listened to music, sees that news sees large stretch of (not certainly here being to advocate naked chat).

8, as bathtub, smoker and family's human needs can be more taken into account than common bathtub.Cigarette can be placed because being equipped with cigarette ash cylinder seat Grey cylinder, smoker smoke in bathing behind closed doors, and saving time household not only but also not having to passively passive smoking (will remember to open certainly Bathroom air exhaust fan).

9, as bathtub, the more health care than common bathtub.Because be equipped with drinking cup stand can holding water cup, when conveniently bathing whip energy Drink water supplement moisture content (people can feel thirsty when steeping hot bath be because blood circulation accelerate, body is equivalent to big when physical training Amount, which loses moisture content, equally to be needed to be replenished in time).

10, as bathtub, the more save space than common bathtub.In room rate surging today, the toilet of common people is simultaneously little, This bathtub is equipped with novel wheel, can be put in balcony or hovel or the inferior place of dining table removing toilet when not used.

11, as bathtub, it can allow more economic general people to realize the dream bathed of being in than common bathtub.This be because For the comprehensive function of its water-saving solar term save space function.

12, as non-bathtub vessel, it is than generic container will be appreciated that a kind of compact-sized cavity independence can be provided The storage space moved of double chambers integration.

13, due to being provided with novel wheel, not only it was moved easily, but also prevent cylinder body unbalance stress easily rupturable.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is the stereoscopic schematic diagram of No.1 embodiment.

Fig. 2 is the longitudinal sectional view of No.1 embodiment.

Fig. 3 is the top view of No. two embodiments.

Fig. 4 is the longitudinal sectional view of No. two embodiments.

Fig. 5 is the transverse sectional view of No. two embodiments.

Fig. 6 is the human body bathing operation chart of No. two embodiments.

Fig. 7 is the top view of No. three embodiments.

Fig. 8 is the longitudinal sectional view of No. three embodiments.

Fig. 9 is the stereoscopic schematic diagram of No. four embodiments.

Figure 10 is the transverse sectional view of No. four embodiments.

Figure 11 is the groove tracks fragmentary sectional view that No. four embodiments increase triangular form reinforcing rib.

Figure 12 is the stereoscopic schematic diagram of No. five embodiments.

Figure 13 is the stereoscopic schematic diagram of No. six embodiments.

In figure: 1: sub- cylinder 11: female cylinder

2: sub- cylinder upper surface 12: female cylinder upper surface

3: sub- cylinder bottom face 13: female cylinder bottom face

4: facade 14 after sub- cylinder: facade after female cylinder

5: facade 15 before sub- cylinder: facade before female cylinder

6: sub- cylinder left side 16: female cylinder left side

7: sub- cylinder right side 17: female cylinder right side

8: sub- cylinder cavity 18: female cylinder cavity

9: sub- cylinder cylinder is along 19: female cylinder cylinder edge

10: in the child 20 in sub- cylinder: the adult in female cylinder

21: axle sleeve 22: horizontal cross shaft 23: screw rod vertical axes 24: positioning device 25: buckle 26: hinge 27: arc every Plate 28: water-proof sealing rubber strip 29: arc groove rail 30: linear groove tracks 31: bolt locking mechanism 32: drinking cup stand 33: cigarette ash cylinder seat 34: child anti-fall raised 35: discharge outlet 36: wheel 37: triangle reinforcing rib.

Specific embodiment

In example 1: sub- cylinder is made of integrally being moulded by plastics heat processing technique with female cylinder.The whole of sub- cylinder The top of the preceding facade 15 of preceding facade 5 and female cylinder is integrated, the left side 16 of whole left sides 6 of sub- cylinder and female cylinder Front upper part is integrated, and similarly, the right side front upper part of whole right sides of sub- cylinder and female cylinder is integrated.Sub- cylinder Rear facade 4 be that intermediate recessed collapse outward to form the bigger inclined-plane of gradient and can recline backrest for child.There is one piece of card in the bottom surface of sub- cylinder The protrusion 34 that the child firmly to recline prevents it from gliding.The left side fraction upper surface 12 of female cylinder is closed, and shallow pits is arranged thereon and makees For the drinking cup stand 32 for inserting cup.The right fraction upper surface of female cylinder is closed, and setting square shallow pits, which is used as, thereon inserts cigarette The cigarette ash cylinder seat 33 of grey cylinder.Facade 14 is fixed with wheel 36 after female cylinder.The minimum point of the bottom surface 13 of the minimum point of the wheel and female cylinder With high.

In example 2: sub- cylinder is made of integrally being moulded by plastics heat processing technique with female cylinder.The preceding of sub- cylinder is stood The preceding facade 15 of face 5 and female cylinder is linked together in cylinder along place, and similarly, the left side 16 of the left side 6 of sub- cylinder and female cylinder exists Cylinder is linked together along place, and similarly, the right side 17 of the right side 7 of sub- cylinder and female cylinder is linked together in cylinder along place.Figure Child's bathing in sub- cylinder in six, mother side guard, father simultaneously female cylinder bathing play play, the whole family enjoy family happiness it It is happy.Facade 14 is fixed with wheel 36 after female cylinder.The minimum point of the bottom surface 13 of the minimum point of the wheel and female cylinder is the same as high.Following implementation Wheel structure in example is all identical as this example, the difference is that the variation of bathtub ontology, so, in order to brief and concise, following reality It applies example and all omits discussion and picture to wheel, only discuss changing unit, that is, bathtub ontology.

In the third embodiment: 15 top of preceding facade of female cylinder is also used as the preceding facade 5 of sub- cylinder, the left side front upper part of female cylinder Also the left side as sub- cylinder, the right side front upper part of female cylinder are also used as the right side of sub- cylinder.The bottom surface of sub- cylinder and rear facade are It is made of one piece of arc-shaped partition 27.Be provided with arc groove rail 29 on the inside of the left and right side of female cylinder, the groove tracks and the arc every The both sides of the edge of plate cooperate, and push and plug the arc-shaped partition can along the arc groove rail into female cylinder, the top of arc-shaped partition 27 is just divided It is separated out an independent sub- cylinder cavity 8;Be provided with linear groove tracks 30 on the inside of facade before female cylinder, the groove tracks and the arc every The front edge of plate 27 cooperates, and when the arc-shaped partition is pushed and plugged into female cylinder in place, the front edge of the arc-shaped partition 27 is just inserted Enter the linear groove tracks 30 being arranged before female cylinder on the inside of facade 15, forms the water proof sealing structure between sub- cylinder and female cylinder.The arc It is locked between shape partition 27 and female cylinder by bolt 31, i.e., bolt 31 passes through female cylinder side and screws into arc-shaped partition 27.Camber partition 27 edge (is not marked, because of being installed on for adhesive tape with the viscous water-proof sealing rubber strip that is equipped with of industrial seccotine in water-proof sealing rubber strip figure A variety of methods are all that existing well-known technique is not described in detail here).Meanwhile 13 rear portion of bottom surface of female cylinder of this example is equipped with a row Bottom surface, that is, the arc-shaped partition 27 at the mouth of a river 35, sub- cylinder is equipped with small one and large one two discharge outlet 35, and discharge outlet has matched as usual Spiral cover.To ask concisely, the spiral cover omission of discharge outlet is not drawn into figure.

In example IV: the utility model bathtub is composed of the independent female cylinder 11 of an independent sub- cylinder 1 and one. The preceding facade of sub- cylinder 1 and the cylinder of left and right side continue to use industrial strength gluing equipped with water-proof sealing rubber strip 28 (because of being installed on for adhesive tape A variety of methods are all that existing well-known technique is not described in detail here).Groove tracks 30 are provided on the inside of the left and right side of female cylinder 11, it should The cylinder of the left and right side of groove tracks and sub- cylinder 1 push and plug the sub- cylinder can along the groove tracks into female cylinder 11 along 9 cooperations;Before female cylinder 11 Groove tracks 30 are also equipped on the inside of facade, the cylinder of the preceding facade of the groove tracks 30 and sub- cylinder 1 along 9 cooperations, when the sub- cylinder push and plug into Female cylinder in place when, the preceding facade cylinder of the sub- cylinder 1 is just inserted into the groove tracks 30 being arranged on the inside of facade before female cylinder 11 along 9, forms son Water proof sealing structure between cylinder 1 and female cylinder 11.In addition to reinforce the intensity of groove tracks 30, another variation of the present embodiment Scheme be groove tracks 30 upper and lower be provided with several triangles reinforcing rib 37 (setting method of reinforcing rib is that plastics heat adds Conventional technique well known to industrial and commercial bank's industry, is not described in detail here).

In embodiment five: the utility model bathtub is composed of the independent female cylinder 11 of an independent sub- cylinder 1 and one. The cylinder of the front and back facade of sub- cylinder 1 is socketed with horizontal cross shaft 22 in axle sleeve 21, makes sub- cylinder 1 can along upper fixed there are four axle sleeve 21 altogether It is slided along horizontal cross shaft 22, the both ends of the axis are fixed on female cylinder cylinder along 19.Fixed device 24 is exactly in this example will with screw Horizontal axis 22 is tightened on the cylinder of female cylinder along 19.

In embodiment six: the utility model bathtub is composed of the independent female cylinder 11 of an independent sub- cylinder 1 and one. The cylinder of the preceding facade of sub- cylinder 1 is fixed with hinge 26 along 9, and the other end of the hinge is fixed with buckle 25, which can be engaging in The preceding facade cylinder of female cylinder 1 is along 19.For the cylinder of the rear facade 4 of sub- cylinder along axle sleeve 21 is above fixed with, it is vertical which is socketed in screw rod On axis 23 (and remaining with certain wide looseness), which is socketed on horizontal cross shaft 22, which places The left and right side of female cylinder 11 cylinder along 19, and buckle 25 on the left and right side by being fixed on female cylinder fastens positioning.Each The top there are two the nut (being not drawn into nut figure) being threadedly engaged with it, positioned at axle sleeve 21 is revolved in screw rod vertical axes 23 under Each one of side, with the height of fixed hub 21 to which the relative position of stator cylinder 1 and female cylinder 11 is not with the variation of two cylinder liquid levels And change.The position for adjusting this four nuts can adjust the position of axle sleeve 21 to the position of regulator cylinder 1.In addition, when Four buckles 25 are opened, so that it may entire sub- cylinder 1 be removed female cylinder 11, to be not take up the space of female cylinder.In addition, the present embodiment Another change programme is, is (identical with the shafting of rear facade 4 connection by the hinge system replacement for being connected to the preceding facade 5 of sub- cylinder ) shafting, in this way, entire sub- cylinder can be gone up and down along the vertical direction again along trunnion axis transverse shifting.

Claims

1. a kind of self-propelled bathtub, including bathtub cylinder body and wheel, it is characterized in that: one or more is fixedly mounted on bathtub cylinder body A wheel, the height that bathtub lies against the minimum point of each wheel when level ground are greater than or equal to the minimum point of bathtub;It is described from Line bathtub, alternatively referred to as wheel dynamic formula bathtub;The cylinder body refers to cylinder body that is moveable rather than being fixedly mounted on ground.

2. self-propelled bathtub according to claim 1, it is characterized in that: wheel is directly anchored to the preceding facade or rear facade of cylinder Or left side or right side, or it is indirectly fixed to by connector any position of cylinder body, each wheel is not subject to the weight of bathtub.

3. self-propelled bathtub according to claim 1 or 2, it is characterized in that: when lifting certain one end of cylinder body, one or more The height of the minimum point of a wheel is lower than the minimum point of bathtub, to make wheel and ground face contact and bear the part weight of bathtub Amount, it is mobile so as to push bathtub.

4. self-propelled bathtub according to claim 1 or 2, it is characterized in that: the one end of wheel locations close to cylinder body longitudinal direction, When lifting longitudinal other end of cylinder body, the height of the minimum point of one or more wheels is lower than the minimum point of bathtub, to make Wheel and ground face contact and the moiety by weight for bearing bathtub, it is mobile so as to push bathtub.