CN217610711U

CN217610711U - Integral structure of folding bathtub

Info

Publication number: CN217610711U
Application number: CN202220713269.4U
Authority: CN
Inventors: 史吉峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-10-21
Anticipated expiration: 2032-03-29

Abstract

The application discloses an integral structure of a folding bathtub, which is characterized by comprising a vertical plate and a bottom plate, wherein the vertical plate comprises a front folding side plate and a rear folding side plate, and the bottom plate comprises a bottom left turning plate and a bottom right turning plate; the structure of the front folding side plate and the structure of the rear folding side plate are the same in an antisymmetric mode, the two ends of the rear folding side plate are provided with bending plates, each bending plate comprises a front-rear direction plate surface and a left-right direction plate surface, and the front-rear direction plate surfaces of the bending plates at the two ends of the rear folding side plate and the front-rear direction plate surfaces of the bending plates at the two ends of the front folding side plate are spliced to form the left side surface and the right side surface of the folding bathtub; the bottom left turning plate and the bottom right turning plate are arranged on the left side and the right side of the bottom of the folding bathtub, the bottom left turning plate is connected with the bottom of the left side surface through a folding hinge, the bottom right turning plate is connected with the bottom of the right side surface through a folding hinge, and the bottom left turning plate and the bottom right turning plate form the turnable bottom surface of the folding bathtub; the bottom left turning plate and the bottom right turning plate are provided with hidden handles suitable for sealing and opening.

Description

Integral structure of folding bathtub

Technical Field

The application relates to a folding bathtub overall structure, which belongs to the technical field of sanitary ware.

Background

The bathtub is one of common appliances in family life, and the bathtub used in the present life takes fixed installation as the mainstream and a small amount of semi-movable type fixed mount installation, and the common characteristics are that the space that invariable occupies is unchangeable, which is a limitation and consumption for people who have insufficient dwelling space. Along with social development, the rhythm of life is accelerated, bathing is taken as a daily general decompression and relaxation mode, if the mode has to be given up due to the limitation of space, and the mode is unfortunate for a plurality of people in the life rising stage, so the problem of space occupation needs to be improved on the basis of a fixed bathtub, the existing bathtub design which attempts to improve the problem of space occupation on the market mainly adopts a mode of stretching, flattening or curling rubber materials, and the common defects are easy aging, unstable looseness, complex operation, difficult maintenance and poor use experience. Moreover, the design of the common folding bathtub can only achieve pseudo folding (height reduction from top to bottom), the defect is obvious, the problem of occupied space is not solved, and the practical requirement and the aesthetic requirement of life of people can not be met.

SUMMERY OF THE UTILITY MODEL

The application aims to provide the possibility and a choice of collapsible storage, removal, convenient autonomic shower.

In order to achieve the purpose, the technical scheme of the application is to provide an integral structure of a folding bathtub, which is characterized by comprising a vertical plate and a bottom plate, wherein the vertical plate comprises a front folding side plate and a rear folding side plate, and the bottom plate comprises a bottom left turning plate and a bottom right turning plate; the structure of the front folding side plate and the structure of the rear folding side plate are the same in an antisymmetric mode, the two ends of the rear folding side plate are provided with bending plates, each bending plate comprises a front-rear-direction plate surface and a left-right-direction plate surface, and the front-rear-direction plate surfaces of the bending plates at the two ends of the rear folding side plate and the front-rear-direction plate surfaces of the bending plates at the two ends of the front folding side plate are spliced to form the left side surface and the right side surface of the folding bathtub; the bottom left turning plate and the bottom right turning plate are arranged on the left side and the right side of the bottom of the folding bathtub, the bottom left turning plate is connected with the bottom of the left side surface through a folding hinge, the bottom right turning plate is connected with the bottom of the right side surface through a folding hinge, and the bottom left turning plate and the bottom right turning plate form the turnable bottom surface of the folding bathtub; and the bottom left turning plate and the bottom right turning plate are provided with hidden handles suitable for sealing and opening.

The bottom support is provided with a bottom fixing platform, the bottom fixing platform is provided with a turning plate bottom fastening or turning plate bottom fastening groove, the bottom left turning plate and the bottom right turning plate are provided with a clamping piece matched with the turning plate bottom fastening or a clamping piece matched with the turning plate bottom fastening groove, and the bottom left turning plate and the bottom right turning plate are downwards turned to lean against the bottom fixing platform and are relatively fixed with the bottom fixing platform.

The rear folding side plate comprises a rear side plate main body left end part, a rear side plate main body left middle part, a rear side plate main body right middle part and a rear side plate main body right end part, wherein the rear side plate main body left end part and the rear side plate main body right end part are bending plates, and each bending plate comprises a front-rear direction plate surface and a left-right direction plate surface; the adjacent plate pieces of the rear folding side plate are connected through a folding hinge.

The rear folding side plate is internally provided with a multi-section joint control bolt in a locking and unlocking unfolding state, and the multi-section joint control bolt comprises a front section joint control switch arranged in the plate surface in the left-right direction of the left end part of the rear side plate main body, a middle section connecting rod combination arranged in the left middle part of the rear side plate main body and the right middle part of the rear side plate main body and a rear section bearing bolt arranged in the plate surface in the left-right direction of the right end part of the rear side plate main body; the front section joint control switch pushes the middle section connecting rod combination, and the middle section connecting rod combination sequentially pushes the middle section connecting rod combination until the rear section bearing bolt; and the middle section connecting rod combination and the rear section bearing bolt are connected with a return spring.

The inner part of the left end part of the rear side plate main body is provided with a first mounting hole, and the opening of the first mounting hole faces to the left middle part of the rear side plate main body; through holes are formed in the left middle part of the rear side plate main body and the right middle part of the rear side plate main body; a second mounting hole is formed in the right end part of the rear side plate main body, and the opening of the second mounting hole faces to the right middle part of the rear side plate main body; after the rear folding side plate is unfolded, the first mounting hole, the through hole and the second mounting hole are sequentially communicated and used for mounting the multi-section joint control bolt, and the front section joint control switch is arranged in the first mounting hole; the middle section connecting rod is combined in the through hole; the rear-section bearing bolt is arranged in the second mounting hole.

The front section joint control switch comprises a sliding switch and a front section action bolt, and the sliding switch is fixedly connected with the front section action bolt and drives the front section action bolt to move back and forth.

Wherein the slide switch includes two positions: the front gear is opened, and the rear end face of the front section action bolt does not exceed the first mounting hole; the gear switch is arranged backwards, and the front section acting bolt stretches across the first mounting hole and the through hole.

The plate surface of the left end part of the rear side plate main body is provided with an operating hole communicated with the first mounting hole; the sliding switch comprises a sliding piece, a base and a section positioning spring part, the sliding piece is connected with a convex piece for manual shifting, and the convex piece is positioned in the control hole; the front section acting bolt is fixedly connected with the sliding sheet; paragraph location spring part is connected to one side of gleitbretter towards the base, and the base is equipped with at least one positioning groove on the gliding slip orbit in paragraph location spring part backward, and the gleitbretter slides forward and opens for the gear, and the gleitbretter slides backward, paragraph location spring part falls into positioning groove and closes for the gear.

The middle section connecting rod combination comprises a rod body, a middle section front bearing bolt located at the front end of the rod body, a middle section rear acting bolt located at the rear end of the rod body and a reset spring, a supporting step is arranged in the through hole, a spring gasket is sleeved on the rod body of the middle section connecting rod combination, and the reset spring is supported on the supporting step in the through hole through the spring gasket.

The cross section shapes of the middle section prepositive bearing bolt and the middle section postpositive acting bolt are square, the edges of the middle section prepositive bearing bolt and the middle section postpositive acting bolt are provided with chamfers, and the adjacent side surfaces are in smooth transition.

The middle section front bearing bolt is connected with a section positioning spring part, a positioning groove matched with the section positioning spring part is arranged on the hole wall of the through hole, the section positioning spring part falls into the positioning groove, the initial position of the middle section connecting rod combination is set as the initial position, and both ends of the middle section connecting rod combination do not exceed the through hole.

The rear-section bearing bolt is supported in the second mounting hole through a return spring; the rear section receiving bolt is connected with a section positioning spring part, and a positioning groove matched with the section positioning spring part is formed in the side wall of the second mounting hole.

The folding coach adopted by the application can be designed into a hidden hinge for realizing a small folding gap, and comprises a hinge base, a connecting rod component and a connecting rod synchronizing shaft; the two hinge bases are respectively embedded into the two adjacent parent-level plates on the two sides and are used for connecting the parent-level plates on the two sides; the hinge base comprises a first hinge base layer and a second hinge base layer, grooves are arranged on the opposite surfaces of the first hinge base layer and the second hinge base layer, the first hinge base layer and the second hinge base layer are spliced and fastened through bolts or screws, and the grooves are spliced into sliding groove tracks; the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are overlapped in a crossed reverse side mode, the middle portion of the first connecting rod and the middle portion of the second connecting rod are all sleeved on the connecting rod synchronizing shaft, one end of the first connecting rod is hinged to the hinge base on one side, the other end of the first connecting rod is arranged in a sliding groove track of the hinge base on the other side of the guide column, one end of the second connecting rod is hinged to the hinge base on the other side of the second connecting rod, and the other end of the second connecting rod is arranged in a sliding groove track of the hinge base on one side of the guide column.

The hinge base is of a split structure from top to bottom and comprises a hinge base middle layer and a hinge base edge layer, grooves are formed in the surface between the hinge base middle layer and the hinge base edge layer, the hinge base middle layer and the hinge base edge layer are spliced and fastened, and the grooves are spliced into the chute rails.

Wherein, the folding gap of the folding hinge is adjusted by adjusting the shape and the position of the chute track; adjusting the length of the chute track to adjust the folding termination angle; the folding end angle is set to 90 ° or 180 °.

The hinge base is arranged into a plurality of layers, and each group of connecting rod assemblies are arranged between the layers.

The folding coach adopted by the application can also be set as a hidden hinge capable of being folded in a staggered mode, and comprises a static group base, a movable group base, a connecting rod group and a rotating shaft group, wherein the static group base and the movable group base are respectively embedded into the two adjacent parent-level plates on two sides and are used for connecting the parent-level plates on two sides; the device comprises a static group base, a movable group base, a connecting rod I, a rotating shaft group, a movable group base, a movable group, a movable shaft group and a connecting rod II, wherein the static group base and the movable group base are respectively provided with a first track groove and a second track groove; the static shaft is fixedly connected with the static group base, and the sleeving mode of the static shaft and the second connecting rod is threaded connection.

The static group base and the movable group base are folded by 90 degrees, the staggered span is 1/4 of the thread pitch of the two screw threads of the static shaft and the connecting rod, and the staggered span folded by 180 degrees is 1/2 of the thread pitch of the two screw threads of the static shaft and the connecting rod.

The number of the static group bases is two, the two static group bases are sleeved at two ends of the static shaft, and the two static group bases are fixedly connected through a fixed connecting sheet.

The number of the first connecting rods is two, and the two first connecting rods respectively correspond to the two static group bases.

The structure of the static group base is set to be a layered structure and comprises a static group base upper layer and a static group base lower layer, grooves are arranged on the respective inner side faces of the static group base upper layer and the static group base lower layer, the static group base upper layer and the static group base lower layer are spliced and fastened to form the static group base, and the upper layer groove and the lower layer groove are spliced to form a first track groove.

Wherein, the hidden handle comprises an opening and closing part and a base; the bottom left turning plate or the bottom right turning plate is used as a foundation; the opening and closing part and the base are arranged in the base, and the outer surface of the opening and closing part is flush with the outer surface of the base in a closed state; the side wall of base is equipped with first orbit groove and second orbit groove, and first orbit groove and second orbit groove are the arc wall, the centre of a circle all is located same virtual epaxial, and the portion of opening and shutting is equipped with first moving part and second moving part, and first moving part is located first orbit inslot and is followed first orbit groove motion, and second moving part is located second orbit inslot and is followed second orbit groove motion, and the portion of opening and shutting is followed the rotation of virtual axis and is opened and shut.

Wherein, a return torsion spring is arranged between the opening and closing part and the base.

Wherein, the projection of the virtual axis on the plane vertical to the virtual axis is positioned in the range of the opening and closing part.

The opening of the outer surface of the base is the same as the opening and closing part in shape, a circle of sealing rubber gasket is arranged on the outer ring of the opening and closing part, and the closing state of the opening and closing part is sealed with the base.

Wherein the projections of the first mover center, the second mover center and the virtual axis center on a plane perpendicular to the virtual axis are non-collinear.

The end face of the tilting end of the opening and closing part is an inclined end face, and the inclined direction is opposite to the rotating opening direction of the opening and closing part.

The end face of the tilting end is provided with an auxiliary pad, and the outer side face of the auxiliary pad is provided with raised particles for increasing friction force.

The bottom right turning plate is provided with a water outlet valve, and the water outlet valve is connected with a water outlet hose to discharge water from the bottom; the foldable bathtub also comprises a foldable table plate, and sliding grooves which can be lapped on the front side surface and the rear side surface of the foldable bathtub are arranged on the front side and the rear side of the foldable table plate; the folding bathtub also comprises a containing base for containing the water outlet hose and the folding table plate; the accommodating base comprises a left half part and a right half part, the left half part of the accommodating base is structurally a vertical plate, a clamping accommodating hole is formed in the middle of the vertical plate, the shape of the clamping accommodating hole is matched with the disc-shaped outer contour of a rolled water outlet hose, the thickness of the clamping accommodating hole is larger than the disc-shaped thickness of the rolled water outlet hose, a plurality of clamping protrusions are arranged on the inner wall of the clamping accommodating hole, the side face, facing the center of the clamping accommodating hole, of each clamping protrusion is a concave face, a water pipe disc rolled by the water outlet hose is placed in the concave face, and the concave face plays a clamping role; a draining port is formed in the bottom of the clamping storage hole and communicated to the bottom of the storage base, and residual liquid of the water outlet hose stored in the clamping storage hole is drained through the draining port after being guided; the right half structure of the storage base is a cuboid space for storing the folding table plate, and the folding table plate is inserted from the top and stored in the cuboid space.

The winding structure of the water outlet hose is a triangular ring frame, the triangular ring frame comprises two triangular plates which are arranged in parallel relatively, the central connecting structure of the two triangular plates is a winding shaft, the winding shaft and the two triangular plates define a winding space, and the water outlet hose is wound on the winding shaft to form a disc shape; the tail end of the water outlet hose is provided with a connecting valve used for being connected with a water outlet valve, the connecting valve is provided with a hanging lug, the triangular ring frame is provided with an ear groove matched with the hanging lug, and the hanging lug on the connecting valve is hung in the ear groove after the water outlet hose is wound.

Wherein, the left and right sides of the containing base are provided with rubber pads.

The clamping protrusions are five in number and are respectively arranged on two sides of the top, two sides of the middle and the bottom.

The utility model provides a folding bathtub provides collapsible possibility and the selection of accomodating, removing, convenient independently bathing for family's life, can improve and promote people's quality of life and physical and mental health, is particularly useful for being in the crowd in the quality of life ascending stage.

Drawings

FIG. 1 is a schematic view of an embodiment of a folded bathtub in an unfolded state;

FIG. 2 is a schematic view of a folding process of the folding bathtub provided in the embodiment;

FIG. 3 is a schematic view of the folded bathtub in a retracted state provided in the embodiment;

FIG. 4 is a schematic view showing an inner structure of a folded bathtub in an unfolded state in accordance with an exemplary embodiment;

FIG. 5 is a schematic view of a multi-sectional joint control bolt installed partially in a foldable bathtub in an embodiment;

FIG. 6 is a schematic view of the multi-section joint control bolt inside the foldable bathtub in the embodiment;

fig. 7 is a schematic view of the multi-section joint control bolt structure in the folded bathtub in the embodiment in the folded release state;

FIG. 8 is a schematic view of a mid-section link assembly provided in an embodiment;

FIG. 9 is a schematic view of the installation of the rear receiving bolt structure provided in the embodiment;

FIG. 10 is a schematic diagram illustrating the forward and backward pushing action of the multi-section joint control bolt provided in the embodiment;

fig. 11 is an exploded view of a front-section linkage switch of the multi-section linkage bolt structure provided in the embodiment;

fig. 12 is an exploded view of a middle link assembly of the multi-section joint control bolt structure provided in the embodiment;

fig. 13 is a schematic view of a rear receiving bolt connection structure of the multi-section coupling control bolt structure provided in the embodiment;

fig. 14 is an exploded view of the hidden hinge structure provided in the embodiment to achieve a small folding gap;

FIG. 15 is a schematic view of the embodiment in which the hidden hinge is in a flattened state I to achieve a small folding gap;

FIG. 16 is a schematic view of the embodiment in which the hidden hinge is folded at 90 ° state II to realize a small folding gap;

FIG. 17 is a schematic view of the embodiment providing a hidden hinge folded 180 state III with a small folding gap;

FIG. 18 is a schematic view of the embodiment showing the hidden hinge being folded out of position;

FIG. 19 is a schematic view of the embodiment of the hidden hinge capable of being folded by 90 degrees;

FIG. 20 is a top perspective view of the cross-foldable hidden hinge of FIG. 18 in a flattened state;

FIG. 21 is a top perspective view of the cross-foldable hidden hinge shown in FIG. 19 shown in a folded 90 position;

FIG. 22 is a schematic view of the movable set base of the mis-foldable hidden hinge shown in an embodiment folded by a mis-height H relative to the stationary set base;

FIG. 23 is an exploded view of the embodiment of the hidden hinge structure with the capability of being folded by mistake;

fig. 24 is a schematic view illustrating the overall storage of the water outlet hose and the folding table provided in the embodiment;

fig. 25 is a schematic view of a receiving base structure provided in the embodiment;

FIG. 26 is a sectional view of the left half structure of the receiving base provided in the embodiment;

FIG. 27 is a schematic view of the water hose provided in the embodiment being wound up by a triangular loop;

FIG. 28 is a schematic view of the hidden handle mounted for sealing opening and closing provided in the embodiment;

fig. 29 is an exploded view of the hidden handle provided in the embodiment;

FIG. 30 is a schematic closed state of the opening and closing part of the hidden handle provided in the embodiment with respect to the base;

fig. 31 is an open state in which the opening/closing portion of the hidden handle provided in the embodiment is opened and closed with respect to the base;

reference numerals are as follows: a rear folding side plate 1, a left end part 1-1 of a rear side plate main body, a left middle part 1-2 of the rear side plate main body, a right middle part 1-3 of the rear side plate main body, a right end part 1-4 of the rear side plate main body, a side plate outer cover plate 1-5, a sealing soft cushion 1-6, a bottom left turning plate 2, a bottom plate damping rod 2-1, a bottom plate outer cover plate 2-2, a sealing soft cushion 2-3,

A bottom right turning plate 3,

A bottom fixed platform 4,

5-1 parts of fastening position of the bottom of the turning plate, 5-2 parts of fastening groove of the bottom of the turning plate,

A clamping piece 6-1, a buckling piece 6-2,

A multi-section joint control bolt 7, a front section joint control switch 7-21, a sliding switch 7-211, a sliding sheet 7-211-1, a base 7-211-2, a section positioning spring part 7-211-3, a convex sheet 7-211-4, a front section action bolt 7-212, a middle section connecting rod combination 7-22, a rod body 7-221, a middle section preposition bearing bolt 7-222, a middle section postposition action bolt 7-223, a spring gasket 7-224, a rear section bearing bolt 7-23,

The hidden hinge 8 for realizing a small folding gap, a hinge base 8-1, a connecting rod assembly 8-2, a connecting rod synchronous shaft 8-3, a bolt 8-4, a hinge base first layer 8-11, a hinge base second layer 8-12, a sliding groove track 8-13, a hinge base third layer 8-14, a first connecting rod 8-21, a second connecting rod 8-22, a hidden hinge 9 capable of being folded in a staggered mode, a static group base 9-1, a first track groove 9-11, a static group base upper layer 9-12, a static group base lower layer 9-13, a movable group base 9-2, a second track groove 9-21, a connecting rod group 9-3, a connecting rod I9-31, a connecting rod II 9-32, a rotating shaft group 9-4, a middle synchronous shaft 9-41, a movable member shaft 9-42, a static shaft 9-43, a fixed connecting piece 9-5, a connecting piece,

A folding table board 10,

A water outlet valve 11,

A water outlet hose 12, a connecting valve 12-1,

A containing base 13, a vertical plate 13-11, a blocking containing hole 13-12, a blocking bulge 13-13, a draining port 13-14, a rubber cushion 13-15, a triangular ring frame 13-21, an ear groove 13-23,

A hidden handle 14 suitable for sealing and opening, an opening and closing part 14-1, a first moving part 14-11, a second moving part 14-12, a connecting plate 14-13, a sealing rubber pad 14-14, an auxiliary pad 14-15, a base 14-2, a first track groove 14-21, a second track groove 14-22, a virtual shaft 14-23, a foundation 14-3, a return torsion spring 14-4,

The roller 15 is moved.

Detailed Description

In order to make the present application more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

Examples

The folding bathtub that this embodiment provided, the expansion state is as shown in fig. 1, folding process and packing up the state are as shown in fig. 2, fig. 3, fig. 4 is shown for cutting the structure sketch map open, and folding bathtub includes vertical plate and bottom plate, and vertical plate includes two blocks of curb plates in front and back, folding curb plate and back folding curb plate 1 in front promptly, and the bottom plate includes two turns over the board, turns over board 2 and bottom right side and turns over board 3 in bottom left side promptly.

The front folding side plate and the rear folding side plate 1 are in the same structure in an antisymmetric mode, the rear folding side plate 1 is taken as an example, as shown in fig. 2 and 4, the rear folding side plate 1 comprises a rear side plate main body left end part 1-1, a rear side plate main body left middle part 1-2, a rear side plate main body right middle part 1-3 and a rear side plate main body right end part 1-4, wherein the rear side plate main body left end part 1-1 and the rear side plate main body right end part 1-4 are bent plates and comprise a front-rear direction plate surface and a left-right direction plate surface; the front-back direction plate surface of the left end part 1-1 of the rear side plate main body and the front-back direction plate surface of the left end part of the front side plate main body are spliced to form the left side surface of the folding bathtub, and the left-right direction plate surface of the left end part 1-1 of the rear side plate main body, the left middle part 1-2 of the rear side plate main body, the right middle part 1-3 of the rear side plate main body and the left-right direction plate surface of the right end part 1-4 of the rear side plate main body form the foldable back side surface of the folding bathtub; similarly, the front-back direction plate surface of the right end part 1-4 of the rear side plate main body and the front-back direction plate surface of the right end part of the front side plate main body are spliced to form the right side surface of the folding bathtub, and the left-right direction plate surface of the left end part of the front side plate main body, the left middle part of the front side plate main body, the right middle part of the front side plate main body and the left-right direction plate surface of the right end part of the front side plate main body form the foldable front side surface of the folding bathtub; the front folding side plate and the rear folding side plate 1 are folded by adopting folding hinges for connection of adjacent plates, and the front folding side plate and the rear folding side plate jointly form a complete side wall of the folding bathtub; the left side surface and the right side surface of the folding bathtub can be covered with side plate outer cover plates 1-5, the side plates forming the folding bathtub can be internally hollowed to reduce the structural weight, and the side plate outer cover plates 1-5 can cover splicing seams and internal hollows formed by splicing. The sealing of the side panels is achieved by embedding sealing cushions 1-6 between adjacent side panels.

The bottom left turning plate 2 and the bottom right turning plate 3 are arranged on the left side and the right side to form a turnable bottom surface of the folding bathtub, the bottom left turning plate 2 is connected with the lower part of the left side surface of the folding bathtub through a folding hinge, and the bottom right turning plate 3 is connected with the lower part of the right side surface of the folding bathtub through a folding hinge; when the folding bathtub is folded and folded, the left bottom turning plate 2 is turned leftwards to lean against the left side surface of the folding bathtub, and the right bottom turning plate 3 is turned rightwards to lean against the right side surface of the folding bathtub, as shown in figure 4.

The left end part 1-1 of the rear side plate main body, the left end part of the front side plate main body, the right end part 1-4 of the rear side plate main body and the right end part of the front side plate main body adopt a structural form of a bent plate, so that the left side surface and the left end of the front side surface and the right end of the rear side surface of the folding bathtub form an integrated support, and the right side surface and the right end of the front side surface and the right end of the rear side surface form an integrated support, thereby avoiding the unstable folding collection process of the whole structure caused by the arrangement of hinges at the corners of the folding bathtub.

Specifically, the bottom plate is fixed in a clamping manner, taking the fixing structure of a left bottom turning plate 2 as an example, the bottom support is connected to the left end part 1-1 of the rear side plate main body and the bottom of the left and right plate surface of the left end part of the front side plate main body, the bottom support is provided with a bottom fixing platform 4 (which can be used as a support leg of a folding bathtub at the same time), and the bottom fixing platform 4 can be arranged into an integral structure with the bottom support or a split structure to be embedded and fixed with the bottom support; the bottom fixing platform 4 is provided with a turning plate bottom fastening position 5-1 or a turning plate bottom fastening groove 5-2, the bottom left turning plate 2 is provided with a clamping piece 6-1 matched with the turning plate bottom fastening position 5-1 or a clamping piece 6-2 matched with the turning plate bottom fastening groove 5-2, the bottom left turning plate 2 is connected with the bottom bracket through a folding hinge, the bottom left turning plate 2 is turned downwards to lean against the bottom fixing platform 4, the bottom left turning plate 2 is fixed relative to the bottom fixing platform 4, and when the bottom left turning plate 2 needs to be folded and stored, the bottom left turning plate 2 is pulled upwards to be separated from the bottom fixing platform 4; in order to realize better folding experience, the bottom left turning plate 2 is also provided with a bottom plate damping rod 2-1, and the bottom plate damping rod 2-1 plays roles of supporting damping, sectional type fixing and damping buffering in the process of turning up and turning down and leaning on the bottom left turning plate 2, so that the user experience is improved; the downward surface of the left bottom turning plate 2 is covered with a bottom plate outer cover plate 2-2, the side plate and the bottom plate are covered with hollow parts in the manufacturing stage, and the mounted internal folding hinge is covered.

Similarly, the bottom right turning plate 3 adopts the same relative fixing mode; the size of bottom fixed platform 4 can be according to the position determination of place face, and different positions can adopt not unidimensional, and two kinds of joint modes combined action realize the firm connection and the sealing of bathtub lower wall. The sealing of the bottom left turning plate 2 and the bottom right turning plate 3 can be realized by arranging a circle of sealing cushion 2-3, and the sealing cushion 2-3 is embedded in the periphery of the plate surface, as shown in figure 4, and is realized by combining the gravity action of water.

Specifically, the locking and unlocking after the rear folding side plate 1 is folded is controlled by a multi-section joint control bolt 7, as shown in fig. 5 and 6, the multi-section joint control bolt 7 is hidden inside a plate surface in the left-right direction of the left end part 1-1 of the rear side plate main body, the left middle part 1-2 of the rear side plate main body, the right middle part 1-3 of the rear side plate main body and the right end part 1-4 of the rear side plate main body, a sectional partial schematic view is shown in fig. 6, a first mounting hole is formed in the plate surface in the left-right direction of the left end part 1-1 of the rear side plate main body, and the opening of the first mounting hole faces to the left middle part 1-2 of the rear side plate main body; through holes are formed in the left middle part 1-2 and the right middle part 1-3 of the rear side plate main body, a second mounting hole is formed in the plate surface in the left-right direction of the right end part 1-4 of the rear side plate main body, and the opening of the second mounting hole faces to the right middle part 1-3 of the rear side plate main body; under the unfolded state of the rear folding side plate 1, the first mounting hole, the two through holes and the second mounting hole are communicated front and back to be used for mounting the multi-section joint control bolt 7.

As shown in fig. 6, the multi-section joint control bolt 7 includes a front section joint control switch 7-21 installed in the first installation hole, a middle section connecting rod combination 7-22 installed in the through hole, and a rear section receiving bolt 7-23 installed in the second installation hole; the front-section joint control switch 7-21 comprises a sliding switch 7-211 and a front-section action bolt 7-212, the surface of the sliding switch 7-211 exposed out of the plate is convenient for a user to manually toggle, the middle-section connecting rod combination 7-22 comprises a rod body 7-221, a middle-section front-mounted bearing bolt 7-222 positioned at the front end of the rod body 7-221 and a middle-section rear-mounted action bolt 7-223 positioned at the rear end of the rod body 7-221, and the middle-section connecting rod combination 7-22 and the rear-section bearing bolt 7-23 are supported in a hole through a return spring; the slide switches 7 to 211 include two shift positions: the front folding side plate 1 can be folded freely when the front folding side plate slides forwards to be opened, and the rear end faces of the front acting bolts 7 to 212 do not exceed the first mounting holes; the front section action bolts 7-212 cross the first mounting hole and the through hole when sliding backwards to be closed, and the front section action bolts 7-212 sequentially push the middle section preposed bearing bolts 7-222, the rod body 7-221, the middle section postpositive action bolts 7-223 to the rear section bearing bolts 7-23, so that all the middle section postpositive action bolts 7-223 also cross between two adjacent plate surfaces, and the unfolding state of the rear folding side plate 1 is locked; the slide switches 7-211 slide forward from off to on, all action bolts return to default positions under the action of return springs, and the rear folding side plate 1 has no limitation of the action bolts and can be folded freely.

As shown in fig. 11, the slide switch 7-211 comprises a slide piece 7-211-1, a base 7-211-2 and a section positioning spring piece 7-211-3, the slide piece 7-211-1 is connected with a convex piece 7-211-4 convenient for manual shifting, the convex piece 7-211-4 is used for shifting by a user, and a front section action bolt 7-212 is fixedly connected with the slide piece 7-211-1; one side of the slide sheet 7-211-1, which faces the base 7-211-2, is connected with a section positioning spring part 7-211-3, at least one positioning groove is formed in a sliding track of the section positioning spring part 7-211-3, which slides backwards, the slide sheet 7-211-1 slides forwards to be a gear position switch, the slide sheet 7-211-1 slides backwards, the section positioning spring part 7-211-3 falls into the positioning groove to be a gear position switch, the section positioning spring part 7-211-3 falls into the positioning groove to play a role in limiting forward and backward sliding, and under the condition of no external force, the elastic force of a reset spring is not enough to push the section positioning spring part 7-211-3 to leave the positioning groove, so that the multi-section joint control bolt 7 can be maintained in a locking state.

Wherein, fig. 12 shows an explosion schematic diagram of a structure of a middle section connecting rod combination 7-22, the middle section preposed bearing bolt 7-222 is also connected with a section positioning spring part, a positioning groove is arranged on the hole wall of the hole, when in a folding and releasing state, no action bolt pushes, the middle section connecting rod combination 7-22 returns to an initial position under the action of a return spring, at this moment, the section positioning spring part falls into the positioning groove, both ends of the middle section connecting rod combination 7-22 do not exceed the through holes, and the rear folding side plate 1 can be folded freely; optionally, a spring gasket 7-224 is sleeved on the rod body 7-221 of the middle section connecting rod assembly 7-22, the return spring is supported on the supporting step in the through hole through the spring gasket 7-224, during actual processing, the through hole is long, so that the cross section shape is irregular, the contact between the return spring and the supporting step is influenced, the rebound effect of the return spring is further influenced, and good indirect contact on one side of the return spring can be ensured through the supporting gasket.

As shown in fig. 13, the rear receiving pin 7-23 is also connected to the positioning spring member of the segment for positioning in the release state, so as to ensure that the rear receiving pin 7-23 does not exceed the second mounting hole, thereby preventing the free folding of the rear folding side plate 1 from being affected.

In a possible implementation, as shown in fig. 12, the cross-sectional shapes of the middle section forward receiving bolt 7-222 and the middle section rear acting bolt 7-223 of the middle section connecting rod combination 7-22 are square, and the edges should be chamfered to make the adjacent sides smoothly transition, so that the resistance to forward and backward sliding can be reduced.

Similarly, the locking and unlocking of the folded front folding side panel is also controlled by internally installing the multi-section joint control bolt 7.

Specifically, the folding hinge used in the folding bathtub provided by the embodiment can adopt a hidden hinge 8 which realizes small folding clearance or a hidden hinge 9 which can be folded in a staggered way.

The hidden hinge 8 structure for realizing a small folding gap is shown in fig. 14 and comprises a hinge base 8-1, a connecting rod assembly 8-2 and a connecting rod synchronizing shaft 8-3.

The two hinge bases 8-1 are respectively embedded into the plates on two adjacent sides and are used for connecting the plates on two sides; the hinge base 8-1 can be processed into a layered structure, is convenient to manufacture and comprises a first layered layer 8-11 of the hinge base and a second layered layer 8-12 of the hinge base, grooves are processed on the opposite surfaces of the first layered layer 8-11 of the hinge base and the second layered layer 8-12 of the hinge base, the first layered layer 8-11 of the hinge base and the second layered layer 8-12 of the hinge base are spliced and fastened through bolts 8-4 or screws, and the grooves are spliced into sliding groove tracks 8-13.

The connecting rod assembly 8-2 comprises a first connecting rod 8-21 and a second connecting rod 8-22, the first connecting rod 8-21 and the second connecting rod 8-22 are overlapped in a crossed reverse side mode, the middle portion of the first connecting rod 8-21 and the second connecting rod 8-22 are sleeved on the connecting rod synchronizing shaft 8-3, one end of the first connecting rod 8-21 is hinged with the hinge base 8-1 on one side (the hinged mode can adopt that an integrated rotating pile is arranged on the first connecting rod 8-21, a cylindrical hole matched with the rotating pile is arranged on the hinge base 8-1 matched with the rotating pile, the rotating pile is arranged in the cylindrical hole and can rotate freely, so that the first connecting rod 8-21 can rotate around the cylindrical hole of the hinge base 8-1 on the left side), the other end of the first connecting rod 8-21 is arranged to be a cylinder serving as a guide column to be arranged in a chute track 8-13 of the hinge base 8-1 on the other side, the second connecting rod 8-22 and the first connecting rod 8-21 are structurally symmetrical, the second connecting rod 8-22 and the first connecting rod 8-21 are overlapped in a crossed reverse side mode, the middle portion of the connecting rod synchronizing shaft 8-3 is used for realizing intermediate shaft synchronization, the other end of the second connecting rod 8-22 and the hinge base 8-1, and the other side of the hinge base 8-1 are arranged to be hinged in the guide column of the hinge base 8-13.

The connecting rod synchronizing shaft 8-3 is a rotating middle shaft, the two connecting rods of the connecting rod assembly 8-2 and the hinged shafts of the hinge bases 8-1 at the two sides are side rotating shafts at the two sides, the connecting rod assembly 8-2 and the hinge bases 8-1 at the two sides are constrained based on the hinge and the sliding groove tracks, the hinge turning and folding functions are realized, in the folding process, one end of each of the two connecting rods in the connecting rod assembly 8-2 rotates, the other end of each of the two connecting rods in the connecting rod assembly 8-2 moves in the sliding groove track 8-13, so that the connecting rod synchronizing shaft 8-3 becomes a movable rotating middle shaft, under the condition that the rotating middle shaft is movable, the first connecting rod 8-21 and the second connecting rod 8-22 move in the sliding groove track 8-13 of the hinge base 8-1 at the two sides, so that the hinge base 8-1 at the two sides can be pulled close to a folding gap in the folding process, the size of the folding gap can be adjusted by changing the positions of the sliding groove tracks 8-13, and the folding tail end angles can be adjusted by changing the lengths of the sliding groove tracks 8-13.

In order to enhance the overall strength and stability of the structure, the linkage assemblies 8-2 may be arranged in two or more groups, and fig. 14 shows two groups of linkage assemblies 8-2, in cooperation with which the hinge base 8-1 further comprises a third layer 8-14 of hinge base on the basis of the first layer 8-11 of hinge base and the second layer 8-12 of hinge base; the hinge base first layer 8-11 is adjacent to the hinge base second layer 8-12, the hinge base second layer 8-12 is adjacent to the hinge base third layer 8-14, a chute track for mounting the first group of connecting rod assemblies is arranged between the hinge base first layer 8-11 and the hinge base second layer 8-12, and a chute track for mounting the second group of connecting rod assemblies is arranged between the hinge base second layer 8-12 and the hinge base third layer 8-14; two groups of connecting rod assemblies 8-2 are synchronous through the same connecting rod synchronous shaft 8-3, the first group of connecting rod assemblies are arranged between a first layer 8-11 of the hinge base and a second layer 8-12 of the hinge base, and the second group of connecting rod assemblies are arranged between the second layer 8-12 of the hinge base and a third layer 8-14 of the hinge base. The hinge base first layer 8-11, the hinge base second layer 8-12 and the first group of connecting rod assemblies form a relatively independent moving mechanism, the hinge base second layer 8-12, the hinge base third layer 8-14 and the second group of connecting rod assemblies form another relatively independent moving mechanism, the two moving mechanisms share the same hinge base second layer 8-12, the hinge base first layer 8-11, the hinge base second layer 8-12 and the hinge base third layer 8-14 are spliced layer by layer, and the complete hinge base 8-1 is formed by fastening bolts or screws.

The folding process is shown in fig. 15-17, in which state I is a state in which the folding hinge is unfolded, state II is a state in which the folding hinge is folded by 90 °, and state III is a state in which the folding hinge is folded by 180 °.

In this application, the hidden hinge 8 that realizes less folding clearance can be adopted as folding hinge to the board 2 and the board 3 is turned over to the bottom left side of bottom plate.

Specifically, the hidden hinge 9 structure capable of being folded in a staggered manner is shown in fig. 18 and fig. 19, and includes a stationary set base 9-1 and a movable set base 9-2, the stationary set base 9-1 and the movable set base 9-2 are respectively embedded into the plates on two adjacent sides for connecting the plates on two sides, the movable set base 9-2 is folded and turned with the stationary set base 9-1 as a stationary reference, and the stationary set base 9-1 is folded and turned with the movable set base 9-2 as a stationary reference, where "stationary" and "movable" describe relative motion relationships, and do not indicate that the stationary set base 9-1 remains stationary during the folding and turning process.

As shown in fig. 18 and 19, the stationary group base 9-1 and the moving group base 9-2 are relatively flat in fig. 18, and the moving group base 9-2 is folded 90 ° relative to the stationary group base 9-1 in fig. 19; the linkage 9-3 for realizing the relative folding of the stationary set base 9-1 and the movable set base 9-2 comprises a first linkage 9-31 and a second linkage 9-32, the rotating shaft set 9-4 comprises a middle synchronizing shaft 9-41, a movable member shaft 9-42 and a stationary shaft 9-43, the middle parts of the first linkage 9-31 and the second linkage 9-32 are all sleeved on the same middle synchronizing shaft 9-41, one end of the first linkage 9-31 and the movable set base 9-2 are sleeved on the same movable member shaft 9-42, the other end of the first linkage 9-31 is set as a cylinder and is arranged in a first track groove 9-11 of the stationary set base 9-1 as a guide column, one end of the second linkage 9-32 and the stationary set base 9-1 are sleeved on the same stationary shaft 9-43, the middle synchronizing shaft 9-41, the movable member shaft 9-42 and the stationary shaft 9-43 are in parallel, and the other end of the second linkage 9-32 is set as a cylinder and is arranged in a second track groove 9-21 of the movable set base 9-2 as a guide column, as shown in fig. 20 and fig. 21.

The static shaft 9-43 is fixedly connected with the static group base 9-1, the static shaft 9-43 and the second connecting rod 9-32 are in threaded connection in a sleeving manner, as shown in fig. 18 and 19, the second connecting rod 9-32 drives the movable group base 9-2 to ascend by 1/4 of a thread pitch when rotating around the static shaft 9-43 by 90 degrees, and drives the movable group base 9-2 to ascend by 1/2 of the thread pitch when rotating by 180 degrees, and plates respectively connected with the movable group base 9-2 and the static group base 9-1 can realize dislocation in the folding process; the front folding side plate and the rear folding side plate 1 can adopt the hidden hinge 9 which can be folded in a staggered way, the rear folding side plate 1 is taken as an example, the rear side plate main body left end part 1-1 and the rear side plate main body left middle part 1-2 are connected by adopting the hidden hinge 9 which can be folded in a staggered way, the rear side plate main body left middle part 1-2 and the rear side plate main body right middle part 1-3 are connected by adopting a smaller downward-placing clearance, the rear side plate main body middle part 1-3 and the rear side plate main body middle part 1-2 can be better adjusted by adopting the hidden hinge 9 which can be folded in a staggered way, the hidden hinge 8 can be better used for preventing the rear side plate main body 1-3 and the rear side plate main body middle part 1-2 from being folded in a staggered way, the hidden hinge 9-1 and the rear side plate main body left side plate main body middle part 1-2 from being folded in a staggered way, and the hidden hinge 9-3 can be better used for preventing the rear side plate main body left side plate main body 1-1 and the rear side plate main body from being folded in a staggered way, and the hidden hinge 9-3 can be better used for preventing the bathtub from swinging when the rear side plate main body is folded.

In some possible implementation manners, in order to achieve structural stability, the number of the stationary group bases 9-1 is two, the two stationary group bases 9-1 are sleeved at two ends of the stationary shaft 9-43, and the two stationary group bases 9-1 are fixedly connected through the fixed connecting sheet 9-5, as shown in fig. 23, similarly, the number of the first connecting rods 9-31 is two and respectively corresponds to the two stationary group bases 9-1.

In some possible implementations, as shown in fig. 23, the structure of the stationary group base 9-1 is a layered structure, and includes a stationary group base upper layer 9-12 and a stationary group base lower layer 9-13, the stationary group base upper layer 9-12 and the stationary group base lower layer 9-13 are respectively provided with a groove on their inner side surfaces, the stationary group base upper layer 9-12 and the stationary group base lower layer 9-13 are spliced and fastened to form the stationary group base 9-1, the upper and lower grooves are spliced to form the first track groove 9-11, and similarly, the structure of the movable group base 9-2 is processed as a separate structure as the stationary group base 9-1.

The hidden hinge 9 capable of being folded in a staggered manner can realize the smaller gap between the adjacent two side plates in the folding process and at the end of folding based on the track slot scheme with the smaller folding gap, and on the basis, the hidden hinge is matched with the structures of a connecting rod group 9-3, a middle synchronous shaft 9-41, a movable part shaft 9-42 and a static shaft 9-43 to realize the staggered folding of the adjacent two side plates; the movable set base 9-2 is staggered relative to the stationary set base 9-1, the 90-degree folding staggered span is 1/4 of the screw pitch, the 180-degree folding staggered span is 1/2 of the screw pitch, and the staggered span of the two adjacent plates after being folded can be adjusted by adjusting the screw pitch of the threaded connection of the second connecting rod 9-32 and the stationary shaft 9-43.

Specifically, as shown in fig. 1, the folding table 10 is used with the folding bathtub, the sliding grooves on the front and rear sides of the folding table 10 are overlapped on the front and rear side surfaces of the folding bathtub, and the folding table 10 can also be used as a flexible component to cover the folding bathtub in a folded state to play a role of covering (as shown in fig. 3); as shown in fig. 1 and 4, a water outlet valve 11 is disposed on the right bottom turning plate 3, the water outlet valve 11 is connected with a water outlet hose 12 for draining water from the bottom, the water outlet hose 12 can be accommodated in an accommodating base 13, the folding table plate 10 can be covered on the folded folding bathtub and also can be accommodated in the accommodating base 13, the structure of the accommodating base 13 is as shown in fig. 24 and 25, the left half part and the right half part of the accommodating base 13 are divided into two accommodating areas, the left half part accommodates the wound water outlet hose 12, and the right half part accommodates the folded folding table plate 10.

As shown in fig. 24 and 25, the left half of the storage base 13 is a vertical plate 13-11, a locking storage hole 13-12 is formed in the middle of the vertical plate 13-11, the locking storage hole 13-12 is matched with the coiled outer contour of the water outlet hose 12 in shape, and the thickness is greater than the coiled thickness of the water outlet hose 12, as shown in fig. 25 and 26, a plurality of locking protrusions 13-13 are arranged on the inner wall of the locking storage hole 13-12, five locking protrusions are shown in the figure and are respectively arranged on two sides of the top, two sides of the middle and the bottom of the top, the side of the locking protrusion 13-13 facing the center of the locking storage hole 13-12 is a concave surface, the water pipe plate coiled by the water outlet hose 12 is placed in the concave surface, and the concave surface plays a locking role; the bottom of the clamping storage hole 13-12 is provided with a draining port 13-14 communicated to the bottom of the storage base 13, and residual liquid of the water outlet hose 12 stored in the clamping storage hole 13-12 is drained through the draining port 13-14 after being guided, so that scale formation or dirt storage is avoided.

Specifically, the water outlet hose 12 is wound through a triangular ring frame 13-21, as shown in fig. 27, the triangular ring frame 13-21 comprises two triangular plates which are arranged in parallel relatively, the distance between the two triangular plates should be larger than the width of the water outlet hose 12, a central connecting structure of the two triangular plates is set as a winding shaft, a winding space is defined by the winding shaft and the two triangular plates, the water outlet hose 12 is wound on the winding shaft to form a disc shape, the triangular plate of the triangular plate plays a limiting role when the disc-shaped water pipe is stored in the winding space, and the triangular plate can be provided with lightening holes to lighten the structural weight. The end of the water outlet hose 12 is used for being connected with a connecting valve 12-1 of the water outlet valve 11 and is provided with a hanging lug, the triangular ring frame 13-21 is provided with a hanging lug groove 13-23 matched with the hanging lug, and after the water outlet hose 12 is rolled, the hanging lug on the connecting valve 12-1 is hung in the hanging lug groove 13-23 to play a role in fixing and prevent the rolled water outlet hose 12 from scattering.

Accomodate base 13 right half part and reserve the cuboid space of accomodating folding table 10, thereby folding table 10 inserts from the top and lays in the cuboid space of accomodating base 13. In some possible implementations, as shown in fig. 24 and 25, rubber pads 13-15 are arranged on the left and right sides of the receiving base 13, so that collision and abrasion of the two side plate walls are effectively avoided.

Specifically, as shown in fig. 4 and 28, the hidden handles 14 suitable for sealing and opening are embedded in the surfaces of the bottom left flap and the bottom right flap 3, and fig. 29 is an exploded view of the structure of the hidden handles, and the structure includes an opening and closing part 14-1 and a base 14-2.

Fig. 30 and 31 are schematic diagrams showing opening and closing actions of the opening and closing part 14-1 relative to the base 14-2, the opening and closing part 14-1 and the base 14-2 are installed inside the foundation 14-3 (the bottom left turning plate or the bottom right turning plate 3), fig. 30 shows a closed state of the opening and closing part 14-1, the outer surface of the opening and closing part 14-1 is flush with the outer surface of the foundation 14-3 in the closed state, the side wall of the base 14-2 is provided with a pair of track grooves, including a first track groove 14-21 and a second track groove 14-22, the first track groove 14-21 and the second track groove 14-22 are both arc-shaped grooves, centers of the arc-shaped grooves are located on the same virtual shaft 14-23, the opening and closing part 14-1 is fixedly connected with two moving members, including a first moving member 14-11 and a second moving member 14-12, the first moving member 14-11 is arranged in the first track groove 14-21 and moves along the first track groove 14-21, and the second moving member 14-12 is arranged in the second track groove 14-22 and moves along the second track groove 14-22.

Fig. 31 shows an opened state of the opening and closing portion 14-1, taking the direction as an example, the left side of the opening and closing portion 14-1 is pressed downward, the first moving member 14-11 and the second moving member 14-12 of the opening and closing portion 14-1 move in the first track groove 14-21 and the second track groove 14-22 respectively, and then the whole opening and closing portion 14-1 rotates and opens along the virtual axis 14-23, so as to achieve the opening and closing effect.

In order to realize automatic reset, a return torsion spring 14-4 is arranged between the opening and closing part 14-1 and the base 14-2, as shown in fig. 30, under the action of no external force, the opening and closing part 1 keeps a closed state under the action of the elasticity of the return torsion spring 4, or after the opening and closing part 14-1 is opened, the external force is removed, and the opening and closing part 14-1 restores to the closed state under the action of the elasticity of the return torsion spring 14-4.

It should be noted that the first track grooves 14-21 and the second track grooves 14-22 do not need to be on the same plane, and can be processed into adjacent stepped grooves during processing; in order to realize a more stable opening and closing effect, the side walls of the two opposite sides of the base 14-2 are respectively provided with a first track groove 14-21 and a second track groove 14-22, one end of each of the first moving part 14-11 and the second moving part 14-12 is positioned in the track groove of one side, and the other end of each of the first moving part and the second moving part is positioned in the track groove of the other side; similarly, the first moving member 14-11 and the second moving member 14-12 can be fixed as a single component, and two limiting structures matched with two track grooves can be machined on the single component.

It should be noted that the position of the virtual axis 14-23 may be located within the range of the opening and closing portion 14-1, or may be located outside the range of the opening and closing portion 14-1, without affecting the opening and closing effect. Of course, when the virtual shaft 14-23 is located outside the range of the opening and closing part 14-1, the distance between the virtual shaft 14-23 and the opening and closing part 14-1 should meet the requirement of the structure safety opening and closing strength during the structural design, and the tilting end of the opened opening and closing part 14-1 should meet the requirement of being conveniently held by hands.

It should be noted that the shape of the outer surface of the opening and closing part 14-1 is not limited, but the opening of the outer surface of the base 14-3 should be the same as the shape of the opening and closing part 14-1, a ring of sealing rubber pad 14-14 is arranged on the outer ring of the opening and closing part 14-1, and the closed state of the opening and closing part 14-1 forms a seal with the base 14-3.

In a possible implementation manner, projections of the center of the first moving element 14-11, the center of the second moving element 14-12 and the center of the virtual axis 23 on a plane perpendicular to the virtual axis are not collinear, as shown by a dotted line in fig. 2, so that the two track grooves can achieve a better limiting effect.

In a possible implementation, as shown in fig. 31, the opening and closing part 14-1 fixedly connects the first moving member 14-11 and the second moving member 14-12 by the connecting plate 14-13.

In a possible implementation, as shown in fig. 31, the raised end surface of the opening and closing part 14-1 is not perpendicular to the outer surface of the opening and closing part 14-1, but is inclined in a direction opposite to the opening direction of the rotation of the opening and closing part 14-1; optionally, as shown in fig. 29, the raised end is provided with an auxiliary pad 14-15, the outer side of the auxiliary pad 14-15 is provided with raised particles for increasing friction force, so that the raised end and the auxiliary pad 14-15 are conveniently dragged by a human hand to generate a blocking force, and the force transmission is more favorable for ergonomics.

In the concealed handle 14 suitable for sealed opening and closing, firstly, the structural design of a coaxial track groove is adopted, and the opening and closing of the opening and closing part 14-1 do not need any hinge structure, so that after the opening and closing part 14-1 is closed, the structure is completely concealed under the surface, no convex structure exists, and no collision is generated during use; secondly, the opening and closing part is tightly jointed with the foundation, so that the requirement on sealing performance is met conveniently; thirdly, the structure is very compact, and all functions can be realized within a limited height range under the limit of certain installation positions and space.

Specifically, as shown in fig. 4, the bottom of the foldable bathtub is provided with the movable rollers 15, and the foldable bathtub can be moved by the movable rollers 15 after being folded, so that the burden caused by the need of moving the position for placing and storing is avoided. The movable idler wheels 15 are installed on the supporting legs of the bottom fixing platform 4, namely the folding bathtub, are arranged in a group in pairs and are arranged at the bottoms of the two ends of the folding bathtub, after the folding bathtub is folded, the movable idler wheels 15 are in contact with the ground at least four times, the convenient movement effect is realized, and the movable idler wheels are in non-contact with the ground in the flattening state.

To sum up, the utility model provides a folding bathtub provides a collapsible possibility and a selection of accomodating, removing, convenient independently bathing for family's life.

The utility model provides a folding bathtub which has stable skeleton, longer service life, solid side wall thickness and can save materials by hollow weight reduction; the product folding structure has novel and stable mode and simple and convenient operation, and reserves the storage space after folding, so that the product is neat and not scattered; the multi-section resultant force reinforcement and hidden sealing structure have small maintenance requirement; after being folded, the folding chair can move through the roller, so that the burden caused by carrying and placing is avoided; the simple curved touch feeling and the appearance are matched with the use habit of the traditional bathtub, and the inclination angle of the backrest accords with the ergonomic concept; the inherent characteristic that the bathtub is not movable is changed, and the occupation of the household space is saved; the multifunctional bathroom is not limited by the use position, is not limited by a bathroom, a living room or a balcony, is home or rented, and also comprises travel carrying and the like.

The utility model discloses can improve and promote people's quality of life and physical and mental health, be particularly useful for being in the crowd of the quality of life ascending stage.

Claims

1. The integral structure of the folding bathtub is characterized by comprising a vertical plate and a bottom plate, wherein the vertical plate comprises a front folding side plate and a rear folding side plate, and the bottom plate comprises a bottom left turning plate and a bottom right turning plate; the structure of the front folding side plate and the structure of the rear folding side plate are the same in an antisymmetric mode, the two ends of the rear folding side plate are provided with bending plates, and each bending plate comprises a front-rear direction plate surface and a left-right direction plate surface; the bottom left turning plate and the bottom right turning plate are arranged on the left side and the right side of the bottom of the folding bathtub, the bottom left turning plate is connected with the bottom of the left side surface through a folding hinge, the bottom right turning plate is connected with the bottom of the right side surface through a folding hinge, and the bottom left turning plate and the bottom right turning plate form the turnable bottom surface of the folding bathtub; and the bottom left turning plate and the bottom right turning plate are provided with hidden handles suitable for sealing and opening.

2. The integrated structure of a foldable bathtub according to claim 1, wherein bottom brackets are arranged at the bottoms of the left side surface and the right side surface of the foldable bathtub, the bottom brackets are provided with bottom fixing platforms, turning plate bottom fastening parts or turning plate bottom fastening grooves are arranged on the bottom fixing platforms, the bottom left turning plate and the bottom right turning plate are provided with clamping parts matched with the turning plate bottom fastening parts or clamping parts matched with the turning plate bottom fastening grooves, and the bottom left turning plate and the bottom right turning plate are downwards turned to lean against the bottom fixing platforms and are fixed relative to the bottom fixing platforms.

3. The overall structure of a foldable bathtub according to claim 1, wherein the rear foldable side plate comprises a rear side plate main body left end portion, a rear side plate main body left middle portion, a rear side plate main body right middle portion, and a rear side plate main body right end portion, and the rear side plate main body left end portion and the rear side plate main body right end portion are bent plates, and comprise a front-rear direction plate surface and a left-right direction plate surface; the adjacent plate pieces of the rear folding side plate are connected through a folding hinge.

4. A foldable bathtub integral structure as defined in claim 3, wherein a multi-sectional joint control bolt for locking and unlocking the unfolded state is provided in said rear foldable side plate, said multi-sectional joint control bolt comprises a front joint control switch provided in the plate surface in the left-right direction of the left end portion of the rear side plate main body, a middle section link combination provided in the left middle portion of the rear side plate main body and the right middle portion of the rear side plate main body, and a rear section receiving bolt provided in the plate surface in the left-right direction of the right end portion of the rear side plate main body; the front section joint control switch pushes the middle section connecting rod combination, and the middle section connecting rod combination sequentially pushes the middle section connecting rod combination until the rear section bearing bolt; and the middle section connecting rod combination and the rear section bearing bolt are connected with a return spring.

5. The integrated structure of a foldable bathtub according to claim 4, wherein a first mounting hole is formed in the left end part of the rear side plate main body, and the opening of the first mounting hole faces to the left middle part of the rear side plate main body; through holes are formed in the left middle part of the rear side plate main body and the right middle part of the rear side plate main body; a second mounting hole is formed in the right end part of the rear side plate main body, and the opening of the second mounting hole faces to the right middle part of the rear side plate main body; after the rear folding side plate is unfolded, the first mounting hole, the through hole and the second mounting hole are sequentially communicated and used for mounting the multi-section joint control bolt, and the front section joint control switch is arranged in the first mounting hole; the middle section connecting rod is combined in the through hole; the rear-section bearing bolt is arranged in the second mounting hole.

6. A folding bathtub overall structure as defined in claim 5, wherein said front-section joint control switch comprises a slide switch and a front-section action bolt, the slide switch is fixedly connected with the front-section action bolt to drive the front-section action bolt to move back and forth.

7. A collapsible bathtub in one piece construction, as claimed in claim 6, wherein said slide switch comprises two positions: the front gear is opened, and the rear end face of the front section action bolt does not exceed the first mounting hole; the gear switch is arranged backwards, and the front section acting bolt stretches across the first mounting hole and the through hole.

8. The integral structure of a folding bathtub according to claim 7, characterized in that the plate surface of the left end part of the rear side plate main body is provided with an operating hole communicated with the first mounting hole; the sliding switch comprises a sliding piece, a base and a section positioning spring part, the sliding piece is connected with a convex piece for manual shifting, and the convex piece is positioned in the control hole; the front-section acting bolt is fixedly connected with the sliding sheet; paragraph location spring part is connected towards one side of base to the gleitbretter, and the base is equipped with at least one positioning groove on the gliding sliding track of paragraph location spring part backward, and the gleitbretter slides forward and opens for the gear, and the gleitbretter slides backward, paragraph location spring part falls into positioning groove and closes for the gear.

9. The structure of claim 8, wherein the middle link assembly comprises a rod, a middle front receiving bolt at the front end of the rod, a middle rear acting bolt at the rear end of the rod, and a return spring, the through hole has a supporting step therein, the rod of the middle link assembly is sleeved with a spring washer, and the return spring is supported on the supporting step in the through hole through the spring washer.

10. A collapsible bathtub construction as defined in claim 9 wherein said mid-section forward socket and mid-section rearward actuating pins are square in cross-sectional shape with chamfered edges and smooth transitions between adjacent sides.

11. The integrated structure of a foldable bathtub according to claim 9, wherein the middle section front receiving bolt is connected with a section positioning spring member, a positioning groove for matching with the section positioning spring member is arranged on the hole wall of the through hole, the section positioning spring member falls into the positioning groove to be set as an initial position of the middle section connecting rod combination, and both ends of the middle section connecting rod combination do not exceed the through hole.

12. A collapsible bathtub construction as described in claim 5, wherein said rear receiving peg is supported in said second mounting hole by a return spring; the rear section receiving bolt is connected with a section positioning spring part, and a positioning groove matched with the section positioning spring part is formed in the side wall of the second mounting hole.

13. A collapsible bathtub integrated structure as defined in claim 1 or 3, wherein said collapsible hinge is provided as a hidden hinge realizing a small collapse gap, comprising a hinge base, a link assembly and a link synchronizing shaft; the two hinge bases are respectively embedded into the two adjacent parent-level plates on the two sides and are used for connecting the parent-level plates on the two sides; the hinge base comprises a first hinge base layer and a second hinge base layer, grooves are arranged on the opposite surfaces of the first hinge base layer and the second hinge base layer, the first hinge base layer and the second hinge base layer are spliced and fastened through bolts or screws, and the grooves are spliced into sliding groove tracks; the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are overlapped in a crossed reverse side mode, the middle portion of the first connecting rod and the middle portion of the second connecting rod are all sleeved on the connecting rod synchronizing shaft, one end of the first connecting rod is hinged to the hinge base on one side, the other end of the first connecting rod is arranged in a sliding groove track of the hinge base on the other side of the guide column, one end of the second connecting rod is hinged to the hinge base on the other side of the second connecting rod, and the other end of the second connecting rod is arranged in a sliding groove track of the hinge base on one side of the guide column.

14. The integrated structure of a foldable bathtub according to claim 13, wherein the hinge base is configured as a split structure from top to bottom, and comprises a middle hinge base layer and a side hinge base layer, a groove is formed on the surface between the middle hinge base layer and the side hinge base layer, the middle hinge base layer and the side hinge base layer are spliced and fastened, and the groove is spliced into the chute rail.

15. A foldable bathtub integral structure, as per claim 1 or 3, characterized in that said foldable hinge is a hidden hinge capable of being folded in a staggered manner, and comprises a static group base, a movable group base, a connecting rod group and a rotating shaft group, wherein said static group base and movable group base are respectively embedded into the adjacent two-side parent plate for connecting the two-side parent plate; the static group base and the movable group base are respectively provided with a first track groove and a second track groove, the connecting rod group comprises a first connecting rod and a second connecting rod, the rotating shaft group comprises a middle synchronous shaft, a movable member shaft and a static shaft, the middle synchronous shaft, the movable member shaft and the static shaft are parallel, the middle parts of the first connecting rod and the second connecting rod are sleeved on the middle synchronous shaft, one end of the first connecting rod and the movable member base are sleeved on the movable member shaft, the other end of the first connecting rod is provided with a guide column which is arranged in the first track groove of the static group base, one end of the second connecting rod and the static group base are sleeved on the static shaft, and the other end of the second connecting rod is provided with a second track groove of the movable member base; the static shaft is fixedly connected with the static group base, and the sleeving mode of the static shaft and the second connecting rod is threaded connection.

16. A collapsible bathtub construction as described in claim 1, wherein said hidden handle comprises a flap and a base; the bottom left turning plate or the bottom right turning plate is used as a foundation; the opening and closing part and the base are arranged in the base, and the outer surface of the opening and closing part is flush with the outer surface of the base in a closed state; the side wall of base is equipped with first orbit groove and second orbit groove, and first orbit groove and second orbit groove are the arc wall, the centre of a circle all is located same virtual epaxial, and the portion of opening and shutting is equipped with first moving part and second moving part, and first moving part is located first orbit inslot and is followed first orbit groove motion, and second moving part is located second orbit inslot and is followed second orbit groove motion, and the portion of opening and shutting is followed the rotation of virtual axis and is opened and shut.

17. The integral structure of a folding bathtub according to claim 1, characterized in that a water outlet valve is arranged on the bottom right turning plate, and the water outlet valve is connected with a water outlet hose to drain water from the bottom; the foldable bathtub also comprises a foldable table plate, and sliding grooves which can be lapped on the front side surface and the rear side surface of the foldable bathtub are arranged on the front side and the rear side of the foldable table plate; the folding bathtub further comprises a storage base for storing the water outlet hose and the folding table plate; the accommodating base comprises a left half part and a right half part, the left half part of the accommodating base is structurally a vertical plate, a clamping accommodating hole is formed in the middle of the vertical plate, the shape of the clamping accommodating hole is matched with the disc-shaped outer contour of a rolled water outlet hose, the thickness of the clamping accommodating hole is larger than the disc-shaped thickness of the rolled water outlet hose, a plurality of clamping protrusions are arranged on the inner wall of the clamping accommodating hole, the side face, facing the center of the clamping accommodating hole, of each clamping protrusion is a concave face, a water pipe disc rolled by the water outlet hose is placed in the concave face, and the concave face plays a clamping role; a draining port is formed in the bottom of the clamping storage hole and communicated to the bottom of the storage base, and residual liquid of the water outlet hose stored in the clamping storage hole is drained through the draining port after being guided; the right half structure of the storage base is a cuboid space for storing the folding table plate, and the folding table plate is inserted from the top and stored in the cuboid space.