CN116172430A

CN116172430A - Light heat-insulating bathtub and preparation method thereof

Info

Publication number: CN116172430A
Application number: CN202310239433.1A
Authority: CN
Inventors: 陆吉良
Original assignee: Jiangsu Aojie Smart Home Co ltd
Current assignee: Lianyungang Ganyu District Intellectual Property Protection Assistance Center Lianyungang Ganyu District Intellectual Property Protection And Service Center
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-05-30
Anticipated expiration: 2043-03-14
Also published as: CN116172430B

Abstract

The invention belongs to the technical field of bathtubs, and particularly relates to a light thermal insulation bathtub and a preparation method thereof. This bathtub possesses good heat preservation performance, can the heat preservation in the quick replacement bathtub outside, can clear up the bathtub inner wall automatically in addition when changing the heat preservation.

Description

Light heat-insulating bathtub and preparation method thereof

Technical Field

The invention relates to the technical field of bathtubs, in particular to a light heat-insulating bathtub and a preparation method thereof.

Background

The heat-insulating bathtub is called a constant-temperature bathtub, is a novel household water heater integrating heat insulation and bath, utilizes multiple layers of heat-insulating materials to accurately regulate and control the temperature, is divided into two types, namely a heater is directly arranged in a common bathtub to keep the bathtub in a constant-temperature state, and a heat-insulating layer is arranged in the bathtub to realize a heat-insulating function;

for example, chinese patent (publication No. CN 115214213A) discloses a light thermal insulation bathtub and a preparation method thereof, wherein an inner shell layer and an outer shell layer are made of oval chopped glass fiber reinforced strong thermoplastic plastic materials, so that the bathtub can be endowed with higher strength and scratch resistance, and the higher flow rate of resin is maintained, so that the processing of the inner shell layer and the outer shell layer is simplified; the inner shell layer and the outer shell layer are formed through plastic suction, so that the appearance is bright and beautiful, polishing treatment is not needed, the forming process is simple, the size is stable, the wear resistance and scratch resistance are excellent, scratches are not easy to generate, the service life is prolonged, the shock resistance is good, and the problems of poor scratch resistance, easy scratching of the surface and poor practicability of an artificial marble Dan Yugang and an acrylic bathtub in the prior art are solved;

the scratch resistance of the thermal insulation bathtub can be improved when the thermal insulation bathtub is used, but after the thermal insulation bathtub is used for a long time, the thermal insulation layer in the bathtub is easy to age and lose efficacy under the effect of long-term temperature difference, the thermal insulation layer needs to be replaced regularly, and the outer thermal insulation layer cannot be replaced conveniently and rapidly by the existing thermal insulation bathtub; when the conventional thermal insulation bathtub is used, the inner wall of the bathtub cannot be cleaned automatically while the outermost thermal insulation layer is replaced, the thermal insulation bathtub does not have a sole massaging function, and the thermal insulation bathtub cannot be switched between rolling type massage and pushing type massage.

Disclosure of Invention

The present invention has been made in view of the problems existing in the conventional bathtub.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a light thermal insulation bathtub, includes the inner housing, installs the blanking cover in the middle of the inner housing, the top fixed mounting of inner housing has the connection pad, is provided with the epoxy board on the outer wall of inner housing, is provided with the carbon fiber board on the outer wall of epoxy board, is provided with aerogel thermal insulation pad on the outer wall of outer housing, the outside fixedly connected with coupling shell of inner housing, the bottom fixed mounting of coupling shell has the supporting seat, and the movable slot has been seted up at the top of coupling shell, and movable slot slidable mounting has the interior pole, and the outside of interior pole top is slided and is installed the adapter sleeve, and the rear side fixedly connected with solid fixed ring of adapter sleeve, and the clearance round brush is installed to gu fixed ring's below, fixedly connected with massage subassembly on the inner wall of inner housing left side, be provided with the flange on the inner housing's the outer wall, fixedly connected with runner on the output shaft of first motor, the right side fixedly connected with connecting plate, the right side rotation of connecting plate is connected with the pinch roller, the inside extrusion piece is slided through the inside extrusion piece of flange, and the inside extrusion piece is connected with the fixed connection rod through the fixed connection of the inside extrusion piece of rubber, and the extrusion piece is slided outside.

As a preferential scheme of the invention, the inner shell and the outer shell are made of hard phenolic foam plates, the inner shell, the connecting pad, the epoxy resin plate, the carbon fiber plate and the outer shell are integrated, the longitudinal section of the connecting pad is semicircular, and the shape and the size of the lower surface of the connecting pad are the same as those of the upper surface of the inner shell.

As a preferential scheme of the invention, the surface of the outer shell is provided with a filling groove for placing an aerogel heat preservation pad, and the aerogel heat preservation pad is wound on the outer side of the lower half part of the inner rod.

As a preferential scheme of the invention, the supporting seat is of a net structure, the upper surface of the supporting seat is flush with the lower surface of the inner shell, and the position of the supporting seat corresponds to the position of the filling groove on the outer shell.

As a preferential scheme of the invention, the inner wall of the movable groove is provided with the cover plate in a fitting way, the outer wall of the cover plate is mutually fitted with the inner wall of the movable groove, and the width of the head end and the tail end of the movable groove is larger than that of the middle part of the movable groove.

As a preferential scheme of the invention, the cleaning roller is rotatably arranged in the fixed ring, the cleaning roller is fixedly connected with the bottom of the cleaning roller, the vortex spring is sleeved on the outer side of the cleaning roller, the head end and the tail end of the vortex spring are respectively connected with the fixed ring and the cleaning roller, and the front end of the cleaning roller is mutually attached to the inner wall of the inner shell.

The invention is characterized by further comprising a driving assembly, wherein the driving assembly is used for driving the inner rod, the driving assembly comprises a mounting plate, the mounting plate is arranged above the inner shell, one side of the mounting plate, which is close to the inner rod, is provided with a motor, the output end of the motor is provided with a sleeve, the sleeve is sleeved outside the inner rod, the inner wall of the sleeve is connected with the outer wall of the inner rod, the lower surface of the mounting plate is provided with a sliding rail, the lower side of the sliding rail is provided with a sliding plate, the lower surface of one end of the sliding plate, which is close to the inner shell, is provided with a fixed seat, a sliding hole is arranged in the fixed seat, the sliding hole is provided with a sliding rod, one side of the sliding rod, which is close to the inner shell, is rotationally provided with a rotating shaft, the upper end and the lower end of the rotating shaft are provided with rollers, the rollers are abutted against the inner wall of the inner shell, a third spring is arranged in the sliding hole, the two ends of the third spring are fixedly connected with the sliding rod and the inner wall of the sliding hole, the lower surface, which is close to one end of the connecting shell is provided with a fixed plate, a first threaded hole is arranged in the fixed plate, a first threaded hole is in threaded connection with the first screw, one end of the first screw is far away from the connecting shell, the first knob is provided with a driving motor, the first screw is close to the connecting shell, the driving motor is provided with a friction belt, and one side of the friction belt is abutted against one side of the connecting shell, and far from the connecting shell, and the friction belt is abutted against the friction belt;

the mounting panel center sets up the second screw hole, and second screw hole sets up the second screw rod, and second screw rod and second screw hole screw-thread drive connection, second screw rod upper end set up the second knob, and the second knob is located the mounting panel top, and second screw rod lower extreme extends to between mounting panel and the movable plate and sets up the non slipping spur.

As a preferential scheme of the invention, the extrusion blocks are distributed on the surface of the convex plate at equal angles, and the extrusion blocks form a telescopic structure with the convex plate through the pinch roller and the second spring.

As a preferential scheme of the invention, the invention further comprises a displacement sensor, wherein the displacement sensor is arranged on the extrusion block and is used for detecting the actual displacement of the extrusion block during single movement, the outer wall of the connecting shell is provided with a controller and an alarm, the controller is respectively and electrically connected with the displacement sensor and the alarm, and the controller controls the alarm to work based on the detection value of the displacement sensor, and the invention comprises the following steps:

step 1: the maximum compression length of the second spring is calculated by the following formula:

；

wherein ,

for the maximum compressed length of the second spring,

for the initial stiffness coefficient of the second spring,

is the minimum tensile strength of the electric push rod,

is a preset safety coefficient of the electric push rod,

is the ratio of the tensile strength to the yield strength of the electric push rod,

for the minimum working stress of the electric push rod,

for the corrosion influence coefficient of the second spring,

the contact area between the rubber massage block and the massage part is preset when the rubber massage block is used for massage;

step 2: the controller compares the maximum compression length of the second spring with the actual compression length of the second spring detected by the displacement sensor, and when the actual compression length of the second spring is larger than the maximum compression length of the second spring, the controller controls the alarm to send out an alarm prompt.

The invention also discloses a preparation method of the light heat-preserving bathtub, which comprises the following steps:

s1: fixing a supporting seat below a connecting shell, fixedly mounting an outer shell in the connecting shell, and then mounting a carbon fiber plate, an epoxy resin plate and an inner shell into the inner part of the outer shell layer by layer, wherein the carbon fiber plate is used for guaranteeing the integral strength of the device, and the epoxy resin plate, the inner shell and the outer shell are used for providing a heat preservation effect;

s2: the connecting pad is arranged at the top of the inner shell, and the inner shell, the epoxy resin plate, the carbon fiber plate, the outer shell and the joint of the inner shell and the connecting pad are connected in a hot melting way through hot melting equipment;

s3: the method comprises the steps that an inner rod is arranged in a movable groove in a connecting shell, one section of an aerogel heat insulation pad is adhered to the front end of a filling groove, then the inner rod is pulled, the aerogel heat insulation pad is adhered to the outer side of an outer shell, after long-term use, the aerogel heat insulation pad can be rewound through the inner rod, then the inner rod and the aerogel heat insulation pad are taken out from the front end of the movable groove, a new aerogel heat insulation pad is replaced, and then the replaced aerogel heat insulation pad is arranged;

s4: the cleaning roller and the cleaning rolling brush are driven to move along the track of the inner wall of the inner shell in the process of adhering the aerogel heat insulation pad, so that the function of automatically cleaning the inner wall of the bathtub when the aerogel heat insulation pad is replaced is realized, and the convex plate and the massage component are arranged on the left side of the inner shell to finish the preparation work of the bathtub.

Compared with the prior art, the invention has the beneficial effects that:

1. through the epoxy board that sets up and stereoplasm phenolic foam panel matter inner shell body and shell body for the device possesses good heat insulating properties, can keep self weight light enough moreover, and the cooperation carbon fiber board makes the device possess high strength performance, has promoted the durability of device, and the attached aerogel heat preservation pad in the device outside can cover in the filling tank inside of shell body, thereby makes the device possess high heat preservation performance.

2. Through connection shell and movable tank on the device for the device can remove the interior pole, makes the interior pole remove along the orbit of connection pad, thereby makes the device can spread the subsides to aerogel heat preservation pad, with the inside of aerogel heat preservation pad adhesion at the filling tank, with guarantee the heat preservation effect of device, the device can also rotate the interior pole simultaneously, thereby carries out the rolling to the aerogel heat preservation pad, so that change the heat preservation of outermost side, has solved current heat preservation bathtub and can not carry out convenient defect of changing to the outer heat preservation.

3. Through adapter sleeve, solid fixed ring and the scroll spring that set up for the device is at the in-process of removing the interior pole, and the clearance round brush can be at first at the inner wall of inner shell on the scroll spring elasticity increase, and the clearance round brush can clear up inner shell inner wall this moment, and under the effect of scroll spring elasticity, the clearance round brush remain throughout with the compression state of inner shell when removing, make the device not only can clear up the bathtub inner wall in the in-process of changing aerogel heat preservation pad automatically, can keep the compression state between clearance round brush and the inner shell moreover, thereby promote the cleaning effect.

4. Through the massage subassembly that sets up for first motor drive runner pivoted in-process, the pinch roller can intermittent type nature top push extrusion piece and rubber massage piece, thereby make extrusion piece and rubber massage piece can intermittent type nature stretch out and draw back, massage the user plantar through rubber massage piece, the result of use of device has been strengthened, utilize electric putter and linking pole, make the electric putter on the device shorten, the massage dynamics reduces, the linking pole supports the rubber massage piece simultaneously, realize bulldoze formula massage function, when electric putter stretches, massage dynamics increases, linking pole keeps away from the rubber massage piece, make the rubber massage piece can carry out the roll type massage, the device not only can adjust the massage dynamics, but also can change the mode of massage, can switch between roll type massage and bulldoze formula massage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive effort to a person of ordinary skill in the art. Wherein:

FIG. 1 is a schematic view of the overall structure of a lightweight thermal insulation bathtub according to the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 at A;

FIG. 3 is a schematic view of the overall split structure of the present invention;

FIG. 4 is a schematic view of the structure at B in FIG. 3;

FIG. 5 is a schematic view of the connection structure of the inner housing and the connection housing of the present invention;

FIG. 6 is a schematic view of the structure at C in FIG. 5;

FIG. 7 is a schematic view of the connection structure of the aerogel insulation blanket and the inner rod of the present invention;

FIG. 8 is a schematic diagram of the positive cross-sectional structure of a boss in accordance with the present invention;

FIG. 9 is a schematic view of the structure of FIG. 8 at D;

FIG. 10 is a schematic view of the connection structure of the inner housing and the closure cap of the present invention;

FIG. 11 is a schematic diagram of a drive assembly according to the present invention;

FIG. 12 is a partial cross-sectional view taken at E-E of FIG. 11 in accordance with the present invention.

Reference numerals in the drawings: 1. an inner housing; 2. a connection pad; 3. an epoxy resin plate; 4. a carbon fiber plate; 5. an outer housing; 6. filling the groove; 7. an aerogel insulation mat; 8. a connection housing; 9. a support base; 10. a movable groove; 11. a cover plate; 12. an inner rod; 13. connecting sleeves; 14. a fixing ring; 15. a vortex spring; 16. a cleaning roller; 17. cleaning a rolling brush; 18. a convex plate; 19. a massage assembly; 1901. a first motor; 1902. a rotating wheel; 1903. a connecting plate; 1904. a pinch roller; 1905. extruding a block; 1906. rubber massage blocks; 1907. a second spring; 1908. an outer liner; 1909. a connecting rod; 1910. an electric push rod; 20. a blanking cover; 21. a mounting plate; 22. a motor; 23. a sleeve; 24. a slide rail; 25. a moving plate; 26. a fixing seat; 27. a sliding hole; 28. a slide bar; 29. a rotating shaft; 30. a roller; 31. a third spring; 32. a fixing plate; 33. a first screw; 34. a first knob; 35. a driving motor; 36. a friction wheel; 37. a friction belt; 38. a second screw; 39. a second knob; 40. an anti-skid block.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 10, a lightweight thermal insulation bathtub comprises an inner housing 1, a blocking cover 20 is installed in the middle of the inner housing 1, a connection pad 2 is fixedly installed at the top of the inner housing 1, an epoxy resin plate 3 is arranged on the outer wall of the inner housing 1, a carbon fiber plate 4 is arranged on the outer wall of the epoxy resin plate 3, the epoxy resin plate 3 and the carbon fiber plate 4 can improve the overall strength of the device, so that the overall stability of the device is ensured, an outer housing 5 is arranged on the outer wall of the carbon fiber plate 4, the thermal insulation effect is realized by utilizing the multi-layer structure of the inner housing 1, the epoxy resin plate 3 and the outer housing 5, an aerogel thermal insulation pad 7 is arranged on the outer wall of the outer housing 5, a connection housing 8 is fixedly connected at the outer side of the inner housing 1, a supporting seat 9 is fixedly installed at the bottom of the connection housing 8, a movable groove 10 is arranged at the top of the connection housing 8, an inner rod 12 is slidably installed in the movable groove 10, the outer side of the inner rod 12 can be wound with the aerogel heat insulation pad 7, the aerogel heat insulation pad 7 can be automatically attached in the process of moving the inner rod 12, and then the aerogel heat insulation pad 7 can be moved to one end of the movable groove 10, so that the whole aerogel heat insulation pad 7 is detached from the inside of the connecting shell 8, the function of conveniently replacing the outermost heat insulation layer is realized, the connecting sleeve 13 is slidably arranged on the outer side of the top of the inner rod 12, the fixing ring 14 is fixedly connected with the rear side of the connecting sleeve 13, the cleaning rolling brush 17 is arranged below the fixing ring 14, the connecting sleeve 13 and the cleaning rolling brush 17 can be driven to move left and right in the process of moving the aerogel heat insulation pad 7, the cleaning function of the inner wall of the inner shell 1 is realized, the device can automatically clean the inside of the bathtub in the process of replacing the aerogel heat insulation pad 7, a convex plate 18 is fixedly arranged on the inner wall of the left side of the inner shell 1, a massage component 19 is fixedly connected between the convex plate 18 and the inner shell 1, the massage component 19 can massage the sole of a user intermittently, the massage component 19 comprises a first motor 1901 fixedly arranged in the inner shell 1, a rotating wheel 1902 is fixedly connected on the output shaft of the first motor 1901, a connecting plate 1903 is fixedly connected on the right side of the rotating wheel 1902, a pressing wheel 1904 is rotatably connected on the right side of the connecting plate 1903, an extrusion block 1905 is slidably arranged in the convex plate 18, the extrusion block 1905 is connected with the convex plate 18 through a second spring 1907, a connecting rod 1909 is fixedly connected on the right side of the extrusion block 1905, an outer bushing 1908 is slidably arranged on the outer side of the connecting rod 1909, a rubber massage block 1906 is rotatably connected on the right side of the outer bushing 1908, an electric push rod 1910 is fixedly installed in the extrusion block 1905, the first motor 1901 can drive the runner 1902 to rotate, the runner 1902 can intermittently push the extrusion block 1905 by using the pressing wheel 1904, so that the rubber massage block 1906 can intermittently massage the sole of a user, the outer lining 1908 can be moved to the right side by extending the electric push rod 1910 in the working process, at the moment, the connecting rod 1909 does not abut against the rubber massage block 1906 any more, at the moment, rolling massage can be realized by the rubber massage block 1906, at the moment, when the electric push rod 1910 is shortened, the rubber massage block 1906 is abutted against by the connecting rod 1909, at the moment, pushing massage can be realized, and the device can change massage force through the electric push rod 1910 and can switch between rolling massage and pushing massage.

In this example, inner shell 1 and shell 5 are stereoplasm phenolic foam board material for the bathtub possesses heat preservation effect when possessing waterproof performance, inner shell 1, connection pad 2, epoxy board 3, carbon fiber board 4 and shell 5 are an entity, carbon fiber board 4 can carry out stable support to the device entity, when guaranteeing the stability of device, make device weight light enough, connection pad 2 longitudinal section's shape is semi-circular, connection pad 2's lower surface is the same with shape and size of inner shell 1 upper surface, it can be smooth excessive to guarantee inner shell 1 and connection pad 2 junction, can play protect function when the user lies and lean on, guarantee the comfort level of bathtub to neck support. In this example, the filling tank 6 that is used for placing aerogel heat preservation pad 7 has been seted up on the surface of shell body 5, and aerogel heat preservation pad 7 twines in the outside of interior pole 12 lower half, and interior pole 12 can carry out the rolling to aerogel heat preservation pad 7 at pivoted in-process, and at the in-process of removing interior pole 12, aerogel heat preservation pad 7 can be spread and paste in the outside of shell body 5 to follow-up change aerogel heat preservation pad 7, make the heat preservation of bathtub outside can be convenient change after long-term use, in order to guarantee the heat preservation effect.

In this example, the supporting seat 9 is a net structure, the supporting seat 9 with the net structure is convenient for the subsequent water discharge, the upper surface of the supporting seat 9 is flush with the lower surface of the inner shell 1, the position of the supporting seat 9 corresponds to the position of the filling groove 6 on the outer shell 5, and a gap exists between the inner shell 1 and the ground, so that the bathtub is not in direct contact with the ground, and heat loss is reduced.

In this example, laminating is provided with apron 11 on the inner wall of movable groove 10, and the outer wall of apron 11 and the inner wall of movable groove 10 laminate each other, and the width at movable groove 10 head and tail both ends is greater than the width of movable groove 10 middle part, and movable groove 10 head and tail both ends width is wider to guarantee that follow-up stability takes out the insulation material after the coiling, promoted the convenience when using, apron 11 makes the device can carry out the shutoff to movable groove 10 when not changing insulation material, avoids debris to fall into the inside of movable groove 10.

In this example, the inside of solid fixed ring 14 rotates and installs cleaning roller 16, cleaning roller 16's bottom fixedly connected with cleaning roller brush 17, cleaning roller 16's outside cover is equipped with scroll spring 15, scroll spring 15's head and tail both ends link to each other with solid fixed ring 14 and cleaning roller 16 respectively, cleaning roller brush 17's front end and inner wall laminating each other of inner housing 1, cleaning roller brush 17 can follow solid fixed ring 14 synchronous movement to can remove along inner housing 1's orbit, thereby realize changing the function of automatic clearance to the bathtub inner wall when heat preservation material.

In this embodiment, as shown in fig. 11 and 12, the device further comprises a driving component for driving the inner rod 12, the driving component comprises a mounting plate 21, the mounting plate 21 is arranged above the inner shell 1, a motor 22 is arranged on one side of the mounting plate 21 close to the inner rod 12, a sleeve 23 is arranged at the output end of the motor 22, the sleeve 23 is sleeved outside the inner rod 12, the inner wall of the sleeve 23 is connected with the outer wall of the inner rod 12, a sliding rail 24 is arranged on the lower surface of the mounting plate 21, a moving plate 25 is arranged on the lower side of the sliding rail 24 in a sliding manner, a fixed seat 26 is arranged on the lower surface of one end of the moving plate 25 close to the inner shell 1, a sliding hole 27 is arranged in the fixed seat 26, a sliding rod 28 is arranged in a sliding manner, a rotating shaft 29 is arranged on one side of the sliding rod 28 close to the inner shell 1 in a rotating manner, rollers 30 are arranged on the upper end and lower end of the rotating shaft 29, the gyro wheel 30 and interior casing 1 inner wall butt sets up third spring 31 in the slide hole 27, third spring 31 both ends respectively with slide bar 28, slide hole 27 inner wall fixed connection, movable plate 25 is close to coupling shell 8 one end lower surface and sets up fixed plate 32, set up first screw hole in the fixed plate 32, first screw 33 of first screw threaded connection, first screw 33 is kept away from coupling shell 8 one end and is set up first knob 34, first screw 33 is close to coupling shell 8 one side and rotates and set up driving motor 35, driving motor 35 upper end and movable plate 25 lower surface sliding connection, driving motor 35 output sets up friction pulley 36, coupling shell 8 outer wall sets up friction belt 37, friction pulley 36 and friction belt 37 keep away from coupling shell 8 one side butt.

Specifically, during installation, the sleeve 23 is sleeved outside the inner rod 12, the inner wall of the sleeve 23 is fixedly connected with the outer wall of the inner rod 12, then the position of the moving plate 25 is adjusted, the moving plate 25 slides along the sliding rail 24, the roller 30 is positioned at the inner side of the inner shell 1, the friction wheel 36 is positioned at the outer side of the friction belt 37, at the moment, the first knob 34 is rotated, the first screw 33 is rotated to drive the first screw 33 to rotate in the first threaded hole, the first screw 33 is rotated to drive the driving motor 35 to slide towards the direction close to the connecting shell 8, the driving motor 35 drives the friction wheel 36 to abut against the friction belt 37, at the moment, the roller 30 abuts against the inner wall of the inner shell 1, the third spring 31 is compressed in the fixed seat 26, then the driving motor 35 and the motor 22 are started simultaneously, the motor 22 rotates to drive the sleeve 23 to rotate, the sleeve 23 rotates to drive the inner rod 12 to rotate, and the inner rod 12 starts to wind up the aerogel insulation pad 7, meanwhile, the driving motor 35 rotates to drive the friction wheel 36 to rotate, the friction wheel 36 starts to move along the friction belt 37, so that the movable plate 25 and the mounting plate 21 integrally move, the mounting plate 21 moves to drive the sleeve to move through the motor 22, so that the inner rod 12 slides along the movable groove 10 while rotating and rolling the aerogel insulation pad 7, the automatic rolling of the aerogel insulation pad 7 is realized, the degree of automation of the bathtub is improved, compared with manual rolling, the rolling mode is more uniform and compact in rolling of the aerogel insulation pad 7, the inner rod 12 can move at a uniform speed along the movable groove 10, the rolling effect is improved, the function of conveniently replacing the outermost insulation layer is realized, the friction force of the outer wall of the connecting shell 8 can be improved through the arrangement of the friction belt 37, the problem that serious slipping occurs when the friction wheel 36 rolls along the friction belt 37 is avoided, the roller 30 can be tightly attached to the inner shell 1 through the third spring 31, can adapt to the interior casing 1 inner wall of unevenness, guarantee that interior pole 12 slides smoothly along movable groove 10, can adjust the distance between friction pulley 36 and the gyro wheel 30 through adjusting first knob 34, combine movable plate 25 and mounting panel 21 sliding connection, be convenient for adjust the position of movable plate 25, make the bathtub of drive assembly adaptation different thickness, drive assembly application scope is more extensive.

In this embodiment, the center of the mounting plate 21 is provided with a second threaded hole, a second screw rod 38 is arranged in the second threaded hole, the second screw rod 38 is in threaded transmission connection with the second threaded hole, the upper end of the second screw rod 38 is provided with a second knob 39, the second knob 39 is located above the mounting plate 21, and the lower end of the second screw rod 38 extends between the mounting plate 21 and the moving plate 25 and is provided with an anti-skid block 40. The second knob 39 is rotated, the second knob 39 rotates to drive the second screw rod 38 to move along the second threaded hole, so that the height of the anti-skid block 40 is adjusted, when the friction wheel 36 is abutted with the friction belt 37 and the roller 30 is abutted with the inner wall of the inner shell 1, the anti-skid block 40 is rotated to move downwards until the anti-skid block 40 is abutted with the upper surface of the movable plate 25, at the moment, the movable plate 25 cannot slide along the sliding rail 24, the stability of the movable plate 25 is improved, the driving assembly is prevented from severely shaking when driving the inner rod 12 to slide along the movable groove 10 when driving the inner rod 12 to move, and the rolling effect of the inner rod 12 on the aerogel heat insulation pad 7 is improved.

In this example, the squeeze blocks 1905 are equiangularly distributed on the surface of the convex plate 18, the squeeze blocks 1905 form a telescopic structure with the convex plate 18 through the pinch roller 1904 and the second springs 1907, the equiangularly distributed squeeze blocks 1905 enable the bathtub to massage a plurality of positions of the foot of a user, and the second springs 1907 on the device enable the squeeze blocks 1905 to automatically reset after being pushed outwards, so that the intermittent massage function is realized.

In this example, the device further includes a displacement sensor disposed on the extrusion block 1905, for detecting an actual displacement of the extrusion block 1905 during a single movement, that is, an actual compression length of the second spring 1907, where a controller and an alarm are disposed on an outer wall of the connection housing 8, and the controller is electrically connected to the displacement sensor and the alarm, respectively, and the controller controls the alarm to work based on a detection value of the displacement sensor, and includes the following steps:

step 1: the maximum compression length of the second spring 1907 is calculated by the following formula:

；

wherein ,

for the maximum compressed length of the second spring 1907,

for the initial stiffness coefficient of the second spring 1907,

for a minimum tensile strength of the power push rod 1910,

for a preset safety factor for the power push rod 1910,

as a ratio of tensile strength to yield strength of the power push rod 1910,

for the minimum operating stress of the power push rod 1910,

for the corrosion influence coefficient of the second spring 1907,

the preset contact area between the rubber massage block 1906 and the massage part during massage;

step 2: the controller compares the maximum compression length of the second spring 1907 with the actual compression length of the second spring 1907 detected by the displacement sensor, and when the actual compression length of the second spring 1907 is greater than the maximum compression length of the second spring 1907, the controller controls the alarm to give an alarm prompt.

Specifically, in order to ensure the comfort level of the massage assembly 19 and prevent the damage to the user caused by the overlarge pressure during the massage, the scheme can detect the actual compression length of the second spring 1907 in real time through the detection value of the displacement sensor, the larger the actual compression length is, the larger the massage pressure is, according to the characteristics of different tensile strength, yield strength and the like of the electric push rod 1910, the maximum compression length of the second spring 1907 in the use process can be accurately calculated through the formula, the preset safety coefficient can be 2 during calculation, the corrosion coefficient of the second spring 1907 is 0.9, the preset contact area is the different contact area values of the massage part and the rubber massage block 1906 according to different users during the use, after the calculation is completed, the controller compares the maximum compression length of the second spring 1907 with the actual compression length of the second spring 1907 detected by the displacement sensor, and when the actual compression length of the second spring 1907 is larger than the maximum compression length of the second spring 1907, the maximum compression strength is described, the rubber massage block 1906 is too large for the user massage, the user is easy to cause discomfort, the controller is easy to prompt the user, and the controller sends out an alarm prompt for prompting the user to finish the user to feel the massage, and the user feel the comfort is improved, and the user is reminded of the user to the massage assembly is the massage assembly 19.

It should be noted that, firstly, as shown in fig. 1-7, by fixing the supporting seat 9 below the connection shell 8, fixing the outer shell 5 inside the connection shell 8, then installing the carbon fiber plate 4, the epoxy resin plate 3 and the inner shell 1 into the outer shell 5 layer by layer (as shown in fig. 1 and 6), the carbon fiber plate 4 is used for guaranteeing the integral strength of the device, the epoxy resin plate 3, the inner shell 1 and the outer shell 5 are used for providing the heat preservation effect, meanwhile, the integral weight of the device is avoided to be too heavy, so that the bathtub has the characteristics of light weight and heat preservation, when the heat preservation bathtub is manufactured, the connection pad 2 is installed at the top of the inner shell 1, the epoxy resin plate 3, the carbon fiber plate 4 and the outer shell 5 and the joint of the inner shell 1 and the connection pad 2 are connected in a whole, and then the inner shell 1, the connection pad 2, the epoxy resin plate 3, the carbon fiber plate 4 and the outer shell 5 can be connected into a whole, and the inner shell 9 can be directly discharged through the detachable plug cover 20, so that the heat preservation performance of the bathtub is not reduced, and the heat preservation performance of the inner shell is not directly contacted with the floor surface of the inner shell 1;

as shown in fig. 1 to 5 and 8 to 10, an inner rod 12 is installed in a movable groove 10 in a connection housing 8, one of the aerogel insulation pads 7 is adhered to the front end of a filling groove 6, the other end is wound around the outside of the inner rod 12 (as shown in fig. 6), then the inner rod 12 is pulled so that the inner rod 12 adheres the aerogel insulation pad 7 to the outside of the outer housing 5, after the aerogel insulation pad 7 is used for a long time, a part of insulation performance is lost, the aerogel insulation pad 7 can be rewound by the inner rod 12, then the whole of the inner rod 12 and the aerogel insulation pad 7 is taken out from the front end of the movable groove 10, a new aerogel insulation pad 7 is replaced, the replaced aerogel insulation pad 7 is reinstalled on the inner rod 12, and the aerogel insulation pad 7 is adhered to the inside of the filling groove 6 along the track of the connection pad 2, the replacement work of the outer insulation layer is completed, the cleaning roller 16 and the cleaning rolling brush 17 can be driven to move along the track of the inner wall of the inner shell 1 through the connecting sleeve 13 and the fixing ring 14, so that the function of automatically cleaning the inner wall of the bathtub while replacing the aerogel heat insulation pad 7 is realized, the elastic force of the vortex spring 15 enables the cleaning rolling brush 17 to always press the inner wall of the inner shell 1 in the moving process, thereby improving the cleaning effect of the device, the massage component 19 in the convex plate 18 can massage the sole of a user, the first motor 1901 drives the rotating wheel 1902 to rotate, the connecting plate 1903 on the rotating wheel 1902 drives the pressing wheel 1904 to roll on the inner wall of the convex plate 18, the pressing wheel 1904 can intermittently push the extrusion block 1905 in the rolling process, the rubber massage block 1906 can intermittently massage the foot of the user, the second spring 1907 is convenient for automatically resetting the rubber massage block 1906, the electric push rod 1910 can adjust the position of the outer bushing 1908 so as to change the force during massage, and when the electric push rod 1910 is extended, the connecting rod 1909 does not abut against the rubber massage block 1906, the rubber massage block 1906 can rotate so as to realize the function of rolling type massage, and when the electric push rod 1910 is shortened, the connecting rod 1909 abuts against the rubber massage block 1906, and the rubber massage block 1906 cannot rotate so as to realize the function of pushing type massage, so that the device can change the massage force through the electric push rod 1910 and can switch between rolling type massage and pushing type massage.

Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a light heat preservation bathtub, includes inner housing (1), and blanking cover (20), its characterized in that are installed in the centre of inner housing (1): the utility model discloses a massage device, including inner shell (1) and motor assembly 1902, including inner shell (1), connecting pad (2) is fixed at the top of inner shell (1), be provided with epoxy board (3) on the outer wall of inner shell (1), be provided with carbon fiber board (4) on the outer wall of epoxy board (3), be provided with outer shell (5) on the outer wall of carbon fiber board (4), be provided with aerogel heat preservation pad (7) on the outer wall of outer shell (5), the outside fixedly connected with connecting shell (8) of inner shell (1), connecting base (9) are fixed to the bottom of connecting shell (8), movable groove (10) are seted up at the top of connecting shell (8), movable groove (10) sliding mounting has interior pole (12), and outer side at interior pole (12) top slides and is provided with adapter sleeve (13), and the rear side fixedly connected with solid fixed ring (14) of adapter sleeve (13), and clearance round brush (17) are installed to the below of solid fixed ring (14), fixedly mounted with flange (18) on the inner wall of inner shell (1), fixedly connected with massage assembly (19) between flange (18) and inner shell (1), motor assembly (19) are fixed on first inner shell (1) and 1901), the right side fixedly connected with connecting plate (1903) of runner (1902), the right side of connecting plate (1903) rotates and is connected with pinch roller (1904), the inside slidable mounting of flange (18) has extrusion piece (1905), extrusion piece (1905) link to each other with flange (18) through second spring (1907), the right side fixedly connected with linking rod (1909) of extrusion piece (1905), the outside slidable mounting of linking rod (1909) has outer bush (1908), the right side of outer bush (1908) rotates and is connected with rubber massage piece (1906), the inside fixed mounting of extrusion piece (1905) has electric putter (1910).

2. A lightweight thermal insulation bathtub as defined in claim 1, wherein: the inner shell (1) and the outer shell (5) are made of hard phenolic foam plates, the inner shell (1), the connecting pad (2), the epoxy resin plate (3), the carbon fiber plate (4) and the outer shell (5) are integrated, the longitudinal section of the connecting pad (2) is semicircular, and the lower surface of the connecting pad (2) is identical to the upper surface of the inner shell (1) in shape and size.

3. A lightweight thermal insulation bathtub as defined in claim 1, wherein: the surface of the outer shell (5) is provided with a filling groove (6) for placing an aerogel heat insulation pad (7), and the aerogel heat insulation pad (7) is wound on the outer side of the lower half part of the inner rod (12).

4. A lightweight thermal insulation bathtub as defined in claim 1, wherein: the supporting seat (9) is of a net-shaped structure, the upper surface of the supporting seat (9) is flush with the lower surface of the inner shell (1), and the position of the supporting seat (9) corresponds to the position of the filling groove (6) on the outer shell (5).

5. A lightweight thermal insulation bathtub as defined in claim 1, wherein: the inner wall of the movable groove (10) is provided with a cover plate (11) in a fitting mode, the outer wall of the cover plate (11) is mutually fitted with the inner wall of the movable groove (10), and the width of the head end and the tail end of the movable groove (10) is larger than that of the middle part of the movable groove (10).

6. A lightweight thermal insulation bathtub as defined in claim 1, wherein: the inside of solid fixed ring (14) rotates and installs clearance roller (16), and clearance roller (16)'s bottom fixedly connected with clearance round brush (17), the outside cover of clearance roller (16) is equipped with scroll spring (15), and the head and tail both ends of scroll spring (15) link to each other with solid fixed ring (14) and clearance roller (16) respectively, and the front end of clearance round brush (17) is laminated mutually with the inner wall of inner shell (1).

7. A lightweight thermal insulation bathtub as defined in claim 1, wherein: the device also comprises a driving assembly, the driving assembly is used for driving the inner rod (12), the driving assembly comprises a mounting plate (21), the mounting plate (21) is arranged above the inner shell (1), one side of the mounting plate (21) close to the inner rod (12) is provided with a motor (22), the output end of the motor (22) is provided with a sleeve (23), the sleeve (23) is sleeved outside the inner rod (12), the inner wall of the sleeve (23) is connected with the outer wall of the inner rod (12), the lower surface of the mounting plate (21) is provided with a sliding rail (24), the lower side of the sliding rail (24) slides to be provided with a moving plate (25), the moving plate (25) is close to the lower surface of one end of the inner shell (1) and is provided with a fixing seat (26), the sliding hole (27) is arranged in the fixing seat (26), the sliding hole (27) is provided with a sliding rod (28), one side of the sliding rod (28) is close to the inner shell (1) and is rotatably provided with a rotating shaft (29), the upper end and the lower end of the rotating shaft (29) is provided with a roller (30), the roller (30) is in contact with the inner wall of the inner shell (1), the sliding hole (27) is internally provided with a third spring (31), the two ends of the third spring (31) are respectively connected with the sliding rod (28) and the inner wall of the sliding plate (27) and the sliding plate (25) and the inner wall of the inner wall is close to the inner wall of the inner shell (1) to the inner wall of the inner shell (2) and the sliding plate (2) and the sliding bar (2) and the sliding 6) and the sliding down 6) and the sliding slide hole and the sliding 2. A first threaded hole is formed in the fixed plate (32), a first screw rod (33) is connected in the first threaded hole in a threaded manner, a first knob (34) is arranged at one end, far away from the connecting shell (8), of the first screw rod (33), a driving motor (35) is arranged at one side, close to the connecting shell (8), of the first screw rod (33), the upper end of the driving motor (35) is slidably connected with the lower surface of the movable plate (25), a friction wheel (36) is arranged at the output end of the driving motor (35), a friction belt (37) is arranged on the outer wall of the connecting shell (8), and the friction wheel (36) is abutted with one side, far away from the connecting shell (8), of the friction belt (37);

the center of the mounting plate (21) is provided with a second threaded hole, a second screw rod (38) is arranged in the second threaded hole, the second screw rod (38) is in threaded transmission connection with the second threaded hole, the upper end of the second screw rod (38) is provided with a second knob (39), the second knob (39) is located above the mounting plate (21), and the lower end of the second screw rod (38) extends between the mounting plate (21) and the movable plate (25) and is provided with an anti-skid block (40).

8. A lightweight thermal insulation bathtub as defined in claim 1, wherein: the extrusion blocks (1905) are distributed on the surface of the convex plate (18) at equal angles, and the extrusion blocks (1905) form a telescopic structure with the convex plate (18) through the pinch roller (1904) and the second spring (1907).

9. A lightweight thermal insulation bathtub as defined in claim 7, wherein: still include displacement sensor, displacement sensor sets up on extrusion piece (1905), is used for detecting actual displacement when extrusion piece (1905) singly removes, connection shell (8) outer wall sets up controller and alarm, controller respectively with displacement sensor, alarm electric connection, the work of controller control alarm based on displacement sensor's detected value, include the following step:

step 1: the maximum compressed length of the second spring (1907) is calculated by the following formula:

；

wherein ,

for the maximum compressed length of the second spring (1907),

is the initial stiffness coefficient of the second spring (1907),

is the minimum tensile strength of the electric push rod (1910),

is a preset safety coefficient of the electric push rod (1910),

is the ratio of tensile strength to yield strength of the electric push rod (1910),

the minimum working stress of the electric push rod (1910),

is the corrosion influence coefficient of the second spring (1907),

a preset contact area between the rubber massage block (1906) and a massage part during massage;

step 2: the controller compares the maximum compression length of the second spring (1907) with the actual compression length of the second spring (1907) detected by the displacement sensor, and when the actual compression length of the second spring (1907) is larger than the maximum compression length of the second spring (1907), the controller controls the alarm to send out an alarm prompt.

10. A method for preparing a lightweight thermal bathtub according to claim 1, comprising the steps of:

s1: fixing a supporting seat (9) below a connecting shell (8), fixedly mounting an outer shell (5) in the connecting shell (8), and then mounting a carbon fiber plate (4), an epoxy resin plate (3) and an inner shell (1) into the outer shell (5) layer by layer, wherein the carbon fiber plate (4) is used for guaranteeing the integral strength of the device, and the epoxy resin plate (3), the inner shell (1) and the outer shell (5) are used for providing a heat preservation effect;

s2: the connecting pad (2) is arranged at the top of the inner shell (1), and the inner shell (1), the epoxy resin plate (3), the carbon fiber plate (4) and the outer shell (5) are connected with the joint of the inner shell (1) and the connecting pad (2) through hot melting equipment;

s3: the inner rod (12) is arranged in a movable groove (10) in the connecting shell (8), one section of the aerogel heat insulation pad (7) is adhered to the front end of the filling groove (6), then the inner rod (12) is pulled, so that the aerogel heat insulation pad (7) is adhered to the outer side of the outer shell (5) by the inner rod (12), the aerogel heat insulation pad (7) can be rewound through the inner rod (12) after long-term use, then the inner rod (12) and the aerogel heat insulation pad (7) are taken out from the front end of the movable groove (10), the new aerogel heat insulation pad (7) is replaced, and then the replaced aerogel heat insulation pad (7) is arranged;

s4: the cleaning roller (16) and the cleaning rolling brush (17) are driven to move along the track of the inner wall of the inner shell (1) in the process of adhering the aerogel heat preservation pad (7), so that the function of automatically cleaning the inner wall of the bathtub when the aerogel heat preservation pad (7) is replaced is realized, and the convex plate (18) and the massage assembly (19) are arranged on the left side of the inner shell (1) to finish the preparation work of the bathtub.