CN220818072U - Sterilization heating device for foot bath device and foot bath device - Google Patents

Abstract

The utility model provides a sterilization heating device and a foot bath device, which comprise a shell, a heating part and a sterilization lamp, wherein a heating cavity is formed by enclosing the shell, the heating part is arranged on the shell and is used for heating water in the heating cavity, the sterilization lamp is arranged on the shell, the sterilization lamp can emit light for killing bacteria so as to sterilize the water in the heating cavity, the heating cavity is internally provided with an enclosing structure, the enclosing structure is positioned at the periphery of the sterilization lamp, the enclosing structure encloses a sterilization area or the enclosing structure encloses with the inner wall of the shell to form a sterilization area, the sterilization lamp emits light towards the sterilization area, the sterilization area is communicated with the heating cavity, the heating cavity is provided with a water outlet, the sterilization area is provided with the water outlet or is communicated with the water outlet, and the water in the heating cavity is discharged from the water outlet after flowing through the sterilization area, so that the foot bath device has the advantage of high efficiency.

Description

Sterilization heating device for foot bath device and foot bath device

Technical Field

The utility model relates to the field of foot baths, in particular to a sterilization heating device for a foot bath device and the foot bath device.

Background

Most of the prior art foot baths are provided with ultraviolet sterilizing lamps on an upper cover of the foot bath, such as patent CN217161902U, the sterilizing lamps of the upper cover irradiate ultraviolet light into a foot bath cavity for sterilization, light is scattered in the air when passing through the height from a cover body to foot bath water in the foot bath cavity, and the ultraviolet light is seriously attenuated from the air entering water, and according to tests, the sterilizing rate of irradiating light from the upper cover into the foot bath cavity is low, so that the high requirement of a user on the sterilizing rate is far met.

Disclosure of utility model

An object of the present utility model is to provide a sterilization heating device for a foot bath, which can at least solve one of the above-mentioned problems, can effectively improve the sterilization efficiency, and does not affect the normal operation of the circulation water path.

In order to solve the technical problem, the sterilization heating device for the foot bath device is characterized by comprising a shell, a heating piece and a sterilization lamp, wherein a heating cavity is formed by enclosing the shell, the heating piece is arranged on the shell and is used for heating water in the heating cavity, the sterilization lamp is arranged on the shell, the sterilization lamp can emit light for killing bacteria to sterilize the water in the heating cavity, an enclosing structure is arranged in the heating cavity, the enclosing structure is positioned on the periphery of the sterilization lamp, the enclosing structure encloses a sterilization area or the enclosing structure encloses an inner wall of the shell to form a sterilization area, the sterilization lamp emits light towards the sterilization area, the sterilization area is communicated with the heating cavity, the heating cavity is provided with a water outlet, the sterilization area is provided with the water outlet or is communicated with the sterilization area, and the water in the heating cavity flows through the sterilization area and is discharged from the water outlet.

The sterilization heating device is applied to a foot bath, a sterilization area with a relatively small space is formed in the heating cavity through enclosing of the enclosing structure, the lamp tube of the sterilization lamp directly irradiates water in the sterilization area, water in the heating cavity flows through the sterilization area, can be killed more comprehensively in the small sterilization area, and then flows out of the heating cavity through the water outlet, so that the sterilization efficiency of the water can be greatly improved.

In some embodiments, the housing is provided with a mounting hole, the sterilizing lamp is mounted in the mounting hole, the light-emitting part of the sterilizing lamp stretches into the sterilizing area, and the sterilizing area is provided with a communication inlet communicated with the heating cavity.

In some embodiments, the heating device further comprises a temperature controller, the shell is made of a resin material, the heating piece is made of a metal material, the heating piece comprises a pipe body and a heat conducting block connected to the surface of the pipe body, a part of the pipe body stretches into the heating cavity, the heat conducting block is arranged at one end of the pipe body located outside the heating cavity, and the temperature controller is located outside the heating cavity and is in contact with the heat conducting block.

In some embodiments, the inner wall of the heating chamber forms a raised protrusion, the protrusion being located outside the sterilization zone, the protrusion for reducing the volume of the heating chamber.

In some embodiments, the housing includes a housing side wall and a housing bottom wall that enclose to form the heating cavity, a top of the housing opposite the housing bottom wall forms a first opening of the heating cavity from which water enters into the heating cavity, and the enclosure includes a baffle that cooperates with the housing side wall and/or the housing bottom wall to form a sterilization zone having a communication inlet that communicates with the heating cavity.

In some embodiments, the housing side walls include two first side walls in a length direction and two second side walls in a width direction, the baffle includes a top plate disposed opposite to the housing bottom wall in a height direction of the housing so as to block a portion of the housing bottom wall, the sterilization area is disposed at one end of the heating chamber in the housing length direction, and the sterilization area is formed by enclosing at least the top plate, a portion of the first side walls, a portion of the second side walls, and a portion of the housing bottom wall, the top plate forms a top wall of the sterilization area, and one side of the sterilization area in the length direction of the housing is formed with the communication inlet.

In some embodiments, the baffle further comprises at least one side plate connected to the top plate, wherein at least one side plate is located at one end of the sterilization area along the length direction of the shell, the side plate is provided with the communication inlet, the communication inlet is a communication hole, and the communication hole is arranged close to the sterilization lamp.

In some embodiments, the water pump is mounted on the side wall of the shell, the pump cover is arranged at the impeller of the water pump to form a water pump cavity with the side wall of the shell, the pump cover is provided with a water inlet joint, the water inlet joint stretches into the sterilization area to communicate the sterilization area with the water pump cavity, the pump cover is provided with a water outlet joint, a water outlet of the water outlet joint forms a water outlet of the heating cavity, a through hole is formed in the top plate, the water outlet pipe is connected with the water outlet joint through a water outlet pipe, and the water outlet pipe is arranged in the through hole in a penetrating mode.

In some embodiments, the baffle includes a top plate and two side plates, the two side plates are respectively connected to two sides of the top plate, the top plate is opposite to the bottom wall of the shell along the height direction of the shell to cover a part of the bottom wall of the shell, the two side plates respectively extend towards the bottom wall of the shell and are supported on the bottom wall of the shell, the top plate, the two side plates and the bottom wall of the shell enclose to form the sterilization area, the top plate forms the top wall of the sterilization area, and the two side plates form the side walls of the sterilization area; the sterilizing lamp is arranged on the bottom wall of the shell and extends into the sterilizing area, or the sterilizing lamp is arranged on the side wall of the shell, penetrates through one side plate and extends into the sterilizing area.

In some embodiments, the two ends of the sterilization area along the length direction of the shell are respectively opened to form a first opening and a second opening, the first opening forms the communication inlet, the second opening is adjacent to one of the second side walls, and the water outlet is arranged on the second side wall adjacent to the second opening.

In some embodiments, the enclosure structure comprises a baffle plate having a width and forming a closed annular structure or an annular structure with a second opening, the annular structure enclosing a formed space constituting the sterilization zone, the sterilization zone having a communication inlet communicating with the heating chamber.

In some embodiments, the heating element comprises a tube body, the tube body is mounted on the housing and transversely penetrates through the heating cavity, the sterilizing lamp and the baffle are both located below the tube body along the height direction of the housing, the sterilizing lamp and the water outlet are mounted on the same side wall of the housing and are close to each other, and the water outlet is also located below the tube body.

In some embodiments, the shell comprises a shell side wall and a shell bottom wall, the shell side wall and the shell bottom wall are enclosed to form the heating cavity, a first opening of the heating cavity is formed at the top of the shell opposite to the shell bottom wall, water enters the heating cavity from the first opening, the baffle comprises two first baffles and a second baffle, the second baffle is connected between the two first baffles, the second baffle is connected on the shell bottom wall, the two first baffles comprise opposite connecting ends and free ends, and two ends of the second baffle are respectively connected with the connecting ends of the two first baffles; the two first baffles extend towards the upper side of the second baffle, and the free ends of the two first baffles are close to each other to form the sterilization area.

In some embodiments, the casing is the cuboid, the casing lateral wall includes two first lateral walls of length direction and two second lateral walls of width direction, and the one end that two first baffles are close to each other is formed with the second opening at intervals each other, the second opening orientation first opening sets up, the sterilization region is followed the both ends of the direction of casing lateral wall are opened and are formed with first uncovered and second uncovered, first uncovered with the second opening constitutes jointly the intercommunication entry, the second uncovered orientation the delivery port is opened and is close to the delivery port sets up, the luminous portion of sterilamp is followed the second uncovered stretches into in the sterilization region.

In some embodiments, the enclosure structure includes a baffle, the baffle encloses and establishes the periphery of sterilamp, the sterilamp is the ultraviolet lamp, the baffle is the reflector panel that can reflect the light of sterilamp.

The utility model also provides a foot bath device, which comprises the sterilizing and heating device for the foot bath device, wherein a foot bath cavity for containing water is formed in the foot bath body, the heating cavity is communicated with a waterway of the foot bath cavity, the heating piece is used for heating water in the foot bath cavity, and the sterilizing lamp is used for sterilizing the water in the foot bath cavity.

In some embodiments of the foot bath, the foot bath comprises a circulating waterway, the circulating waterway comprises a circulating water inlet and a circulating water outlet, the sterilizing and heating device is connected between the circulating water inlet and the circulating water outlet, and water in the foot bath cavity flows back into the foot bath cavity from the circulating water outlet after entering the heating cavity through the circulating water inlet for heating and sterilizing; a water pump is arranged in the foot bath device and is positioned on a waterway between the sterilization area and the circulating water outlet; or the sterilization heating device is provided with a water pump, and the water pump is positioned between the sterilization area and the water outlet.

The foot bath device can effectively perform continuous and cyclic sterilization on foot bath water in the foot bath cavity, can sterilize the foot bath cavity and a circulating waterway of the foot bath device, can kill bacteria on feet of a user, improves the sterilization efficiency of the foot bath device, and improves the use energy efficiency of products.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

The above and other objects, features and advantages of the present utility model will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a schematic perspective view of a sterilizing heating apparatus according to a first embodiment.

Fig. 2 is an exploded view of one of the sterilizing heating apparatuses of the first embodiment.

Fig. 3 is another exploded view of the sterilizing heating device of the first embodiment.

Fig. 4 is a schematic cross-sectional view of a sterilizing heating apparatus according to a first embodiment.

Fig. 5 is a schematic perspective view of a sterilizing heating apparatus according to a second embodiment.

Fig. 6 is an exploded view of one of the sterilizing heating apparatuses of the first embodiment.

Fig. 7 is a schematic perspective view showing a structure of a sterilizing heating apparatus according to a third embodiment with a heating element removed.

Fig. 8 is an exploded view of the sterilizing heating device of the third embodiment with the heating element removed.

Fig. 9 is an exploded view of a sterilizing heating device according to a third embodiment.

Fig. 10 is a schematic structural view of a sterilizing heating apparatus according to a fifth embodiment.

Fig. 11 is a schematic perspective view of a sterilizing heating device according to a fifth embodiment with heating elements removed.

Fig. 12 is a schematic cross-sectional view of a sterilizing heating apparatus according to a fifth embodiment.

Fig. 13 is an exploded view of a sterilizing heating device according to a fifth embodiment.

Fig. 14 is a schematic perspective view of a foot bath according to one embodiment of the present utility model

FIG. 15 is a schematic cross-sectional view of a foot bath according to one embodiment of the present utility model.

Reference numerals: the shell 1, the heating cavity 11, the water outlet 111, the first opening 112 and the water outlet 113

The installation hole 12, the housing side wall 13, the first side wall 131, the second side wall 132, the housing bottom wall 14, the stopper 141, the heating fitting hole 15, the convex portion 16, the heating member 2, the pipe body 21, the heat conduction block 22, the fixing plate 23, the sterilizing lamp 3, the installation portion 31, the light emitting portion 32, the fixing plate 33, the enclosure structure 4, the baffle 41, the top plate 411, the side plate 412, the first baffle 413, the first straight plate 4131, the first inclined plate 4132, the second baffle 414, the second opening 415, the temperature controller 5, the pressure plate 51, the press button 511, the sterilizing area a, the communication hole 61, the first opening 63, the second opening 64, the water pump 71, the impeller 711, the pump cover 72, the water inlet joint 721, the water outlet joint 722, the spring 723, the water pump chamber 73, the through hole 74, the water outlet pipe 75, the bowl body 8, the foot bath chamber 81, the soft rubber pad 82, the circulating water inlet 91, the circulating water outlet 92.

Detailed Description

While this utility model is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the utility model and is not intended to limit the utility model to that as illustrated.

Thus, reference throughout this specification to one feature will be used in order to describe one embodiment of the utility model, not to imply that each embodiment of the utility model must be in the proper motion. Furthermore, it should be noted that the present specification describes a number of features. Although certain features may be combined together to illustrate a possible system design, such features may be used in other combinations not explicitly described. Thus, unless otherwise indicated, the illustrated combinations are not intended to be limiting.

In the embodiment shown in the drawings, indications of orientation (such as up, down, in, out, left, right, front, back, etc.) are used to explain the structure and movement of the various components of the utility model are not absolute but relative. These descriptions are appropriate when the components are in the positions shown in the drawings. If the description of the location of these components changes, then the indication of these directions changes accordingly.

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present utility model and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted.

Preferred embodiments of the present utility model will be further elaborated below with reference to the drawings of the present specification.

The sterilization heating device is used for foot bath products and is used for heating and sterilizing foot bath water in a foot bath cavity. Referring to fig. 1 to 13, the sterilization heating device for a foot bath device comprises a shell 1, a heating element 2 and a sterilization lamp 3, wherein a heating cavity 11 is formed by surrounding the shell 1, the heating element 2 is installed on the shell 1 and stretches into the heating cavity 11, the heating element 2 is used for heating water in the heating cavity 11, at least one part of the sterilization lamp 3 is positioned in the heating cavity 11, the sterilization lamp 3 can emit light for killing bacteria so as to sterilize the water in the heating cavity 11, a surrounding baffle structure 4 is arranged in the heating cavity 11, the surrounding baffle structure 4 is positioned on the periphery of the sterilization lamp 3, a sterilization area A is formed by surrounding the surrounding baffle structure 4 or the surrounding baffle structure 3 and the inner wall of the shell are formed by surrounding the sterilization area A, the sterilization lamp 3 emits light rays towards the sterilization area A, and the sterilization lamp 3 can stretch into the sterilization area A or a light emitting part of the lamp 3 is opposite to the sterilization area A.

A sterilizing lamp 3 is provided on the housing 1 of the heating device to emit light to water of the heating chamber 11 for sterilization. Compared with the prior art that the sterilizing module is independently arranged and is independently connected in the circulating waterway with the heating device, the sterilizing lamp 3 is integrated on the heating device, and the scheme of the application is more beneficial to simplifying the assembly structure, reducing the waterway connection structure and saving the cost.

The sterilization area A is positioned in the heating cavity and is communicated with the heating cavity 11, and the heating cavity 11 is provided with a water outlet 111. The sterilization area a is provided with the water outlet 111 or the sterilization area a is communicated with the water outlet 111, that is, the water outlet 111 may be directly disposed on the sterilization area a, for example, directly disposed on the enclosure structure, or the sterilization area a is disposed adjacent to the water outlet 111 and is communicated with the water outlet 111, so that water in the heating cavity 11 flows through the sterilization area a and is discharged from the water outlet 111. The sterilization area a may be a non-closed cavity, and the sterilization area a has a communication inlet communicated with the heating cavity 11, and the communication inlet is arranged to enable the hot water heated by the heating cavity to flow into the sterilization area a for sterilization. The communication inlet can be an opening with one side open in the sterilization area or a smaller through hole.

In addition, enclose and close the sterilization area that forms the space relatively less through enclosing the fender structure in the heating chamber, the fluorescent tube of sterilamp directly shines in the water of sterilization area, can obtain more comprehensive sterilization when the water in the heating chamber flows out the heating chamber again when the sterilization area, can improve the sterilization efficiency of water greatly from this.

In the embodiment shown in fig. 1-4, the housing 1 is rectangular, the housing 1 includes a housing sidewall 13 and a housing bottom wall 14, the housing sidewall 13 and the housing bottom wall 14 enclose to form the heating cavity 11, the housing sidewall 13 includes two first sidewalls 131 in a length direction and two second sidewalls 132 in a width direction, a first opening 112 is formed at a top of the housing 1 opposite to the housing bottom wall 14, that is, an upper end of the housing sidewall 13 is opened to form the first opening 112, the first opening 112 is used as a water inlet of the heating cavity 11, and water enters the heating cavity 11 from the first opening 112. Because the first opening is arranged at the top of the shell, the first opening is aligned to the outlet of an external water source, such as the circulating water inlet of the foot bath, so that external water (such as foot bath water in the foot bath cavity of the foot bath) can directly flow into the heating cavity through the first opening, and the external water source can be communicated only by arranging straight pipelines (without corners) or even without arranging pipelines, thereby being beneficial to simplifying the circulating waterway structure. Of course, the housing may be provided in other shapes other than rectangular, such as square, ellipsoid, etc.

In the embodiment shown in fig. 1-4, the housing 1 is provided with a mounting hole 12, the sterilizing lamp 3 is mounted in the mounting hole 12, the light-emitting part 32 of the sterilizing lamp 3 extends into the sterilizing area a, and the sterilizing area a is provided with a communication inlet communicated with the heating cavity 11. The mounting hole 12 may be formed on the side wall 13 of the housing or on the bottom wall 14 of the housing, and it is preferable to mount the sterilizing lamp 3 on the side wall 13 of the housing in order not to affect the mounting of other electronic components in the base of the foot bath chamber, such as a waterway structure. The mounting holes for mounting the sterilizing lamp are formed in the shell, so that the sterilizing lamp is simple to assemble, and the light-emitting part (usually the head part) of the sterilizing lamp can easily extend into a sterilizing area in the heating cavity by mounting the sterilizing lamp on the shell.

In the embodiment shown in fig. 3, the sterilizing lamp includes a mounting portion 31 and a light emitting portion 32, the sterilizing lamp 3 is mounted on the mounting hole 12 of the housing 13 through the mounting portion 31, and is fixed on the mounting hole 12 by pressing an end portion of the mounting portion 31 through the fixing piece 10, the light emitting portion 32 of the sterilizing lamp 3 protrudes into the sterilizing area a, and the light emitting portion 32 is directly contacted with water, so that all light rays of the light emitting portion 32 are directly emitted into the water of the sterilizing area a. The distance of sterilization is shortest and can not lead to light attenuation like this, and the sterilization lamp stretches into sterilization region, and then the area of luminous portion and water contact is big for the whole light that the sterilization lamp sent is penetrated into in the water, can not cause extravagant, great improvement to the sterilization efficiency of water.

In some preferred embodiments, the enclosure structure 4 includes a baffle 41, the baffle 41 is enclosed on the periphery of the sterilizing lamp 3, the sterilizing lamp 3 is an ultraviolet lamp, and the baffle 41 is a reflector that can reflect the light of the sterilizing lamp 3. The reflector can be a metal plate with a smooth surface, or a plate with a reflective coating on the surface, and the metal plate with the smooth surface or the baffle with the reflective coating can play a strong role in reflecting ultraviolet rays, so that the ultraviolet rays are reflected back and forth in the sterilization area A to repeatedly sterilize water, and the sterilization efficiency is effectively improved.

In the embodiment shown in fig. 2-4, the baffle 41 includes a top plate 411, where the top plate 411 is disposed opposite to the bottom wall 14 of the housing in the height direction of the housing 1 to cover a portion of the bottom wall 14 of the housing, that is, directly above the bottom wall 14 of the housing, for example, may be lower than the first opening 112 or flush with the plane of the first opening 112, and the width of the top plate 411 may be set to be substantially the same size as the width of the heating chamber 11, so that the top plate 411 is connected to or adjacent to the two first side walls 131, so as to completely cover the portion of the bottom wall 14 of the housing opposite to the top plate 111.

In the embodiment shown in fig. 2-4, the sterilization zone a is provided at one end of the heating chamber 11 in the longitudinal direction of the housing 1. The baffle 41 includes a top plate 411 and at least one side plate 412 connected to the top plate 411, the two side plates 412 in this embodiment are provided, the first side plate 412 is located at one end of the sterilization area a along the length direction of the housing 1, the second side plate 412 is adjacent to the first side plate 412 and located at one side along the width direction of the housing 1, and the two side plates 412 extend from the top plate 411 toward the housing bottom wall 14 and contact with the housing bottom wall 14 to form a support plate for supporting the top plate 411. Thus, the sterilization area a is defined by the top plate 411, the two side plates 412, a portion of one of the second side walls 132 and one of the first side walls 131, and the housing bottom wall 14. The side plate 412 is provided with the communication inlet, and the communication inlet is a smaller communication hole 61, and the communication hole 61 is arranged close to the sterilizing lamp 3. The side plates are arranged to play a role in supporting the top plate, and small communicating holes for communicating the heating cavity and the sterilizing cavity can be formed in the side plates, so that bacteria entering the sterilizing area can be killed quickly by the sterilizing lamp, and sterilizing efficiency can be improved.

The communication hole 61 is disposed near the sterilizing lamp 3, and may specifically be: the height of the communication hole 61 is substantially the same as the height of the sterilizing lamp 3 in the height direction of the housing, and the communication hole 61 and the light emitting portion 32 of the sterilizing lamp 3 are substantially positioned on the same line along the length direction of the housing, that is, the communication hole 61 is arranged opposite to the light emitting portion 32 of the sterilizing lamp 3, and the projection of the sterilizing lamp 3 on the second side wall 132 and the projection of the communication hole 61 on the second side wall 132 are at least partially overlapped. The setting of intercommunicating pore near sterilizing lamp 3 can make the water in the heating chamber 11 through the intercommunicating pore can the light of sterilizing lamp 3 after once flowing into sterilizing area A, can make almost all get into sterilizing area A's water and can follow the delivery port again after sterilizing, avoid the water in heating chamber to get into sterilizing area after the sterilizing of sterilizing lamp just follow the delivery port and have flowed, this design can further improve sterilization efficiency.

In the embodiment shown in fig. 2-4, the sterilization device further comprises a water pump 71 and a pump cover 72, wherein the water pump 71 is mounted on the second side wall 132 of the side wall 13 of the housing, the pump cover 72 is covered at an impeller 711 of the water pump 71 to form a water pump cavity 73 with one of the second side walls 132, a water inlet joint 721 is arranged on the surface of the pump cover 72 facing away from the water pump cavity, the water inlet of the water inlet joint 721 is formed as a cavity inlet of the water pump cavity 73, and the water inlet joint 721 extends into the sterilization area a to communicate the sterilization area a with the water pump cavity 73. The outer surface of the water inlet joint 721 is sleeved with a spring 723, and the spring 723 abuts against a protruding limiting block 141 on the bottom wall 14 of the shell, so that the pump cover 72 is limited to abut against the second side wall 132. On the side of the pump cover 72 facing the first opening 112, a water outlet connection 722 is provided, the water outlet connection 722 having a water opening configured as the water outlet 111 of the heating chamber 11, and the water inlet connection 721 and the water pump chamber 73 connect the sterilization area a with the water outlet 111 for discharging water flowing through the sterilization area a from the water outlet 111. The top plate 411 is provided with a through hole 74, and the water outlet joint 722 is connected with a water outlet pipe 75 so as to discharge the water in the heating cavity 11 through the water outlet 111 and the water outlet pipe 75. The water outlet pipe 75 is inserted into the through hole 74, and the top plate 411 is supported on the upper end surface of the pump cover 72 or on the connection between the water outlet 111 and the water outlet pipe 75. In other simple modifications, the water pump chamber 73 may not be disposed in the sterilization area a, and may be disposed adjacent to and in communication with the sterilization area a. Through setting up sterilization area A in being close to the water pump department, the water that like this can be better drive heating chamber flows to sterilization area in order to disinfect, only discharges from the delivery port after the sterilization.

As shown in fig. 1 to 4, more specifically, an end surface of the pump cover 72 facing the first opening 112 or an end surface of the water outlet joint 722 is formed as a support table for supporting the top plate 411. The top plate is directly supported through the pump cover or the water outlet joint, so that the structure for arranging the top plate is reduced, and even the structure for arranging the top plate is not needed, the design is ingenious, the structure is simplified, and the cost is saved.

As shown in fig. 3, the heating element 2 may be a block-shaped PTC heating element, the sterilization area a and the PTC heating blocks are distributed along the length direction of the housing 1, the sterilization area a is located at one end of the housing in the length direction, the PTC heating block may be located at the middle position or the other end of the housing in the length direction, the PTC heater is mounted on the housing through a fixing plate 23, and the heating end extends into the heating cavity 11.

As shown in fig. 1-2 and 4, a drain 113 is usually provided on the housing 1 of the sterilization and heating device, and is used for draining water in the foot bath device when the foot bath device equipped with the sterilization and heating device stops working, for example, after a user has soaked feet, and the heater usually stops working during the draining process, and water in the foot bath cavity is drained through the drain after flowing through the heating cavity.

Embodiment two:

the present embodiment is substantially the same as the above embodiment, and differs only in the enclosure structure.

As shown in fig. 5 to 6, the baffle 41 of the enclosure structure has only a top plate 411 on the top, and the top plate 411 is disposed opposite to the bottom wall 14 of the housing in the height direction of the housing 1 to cover a portion of the bottom wall 14 of the housing, that is, may be disposed directly above the bottom wall 14 of the housing, for example, may be disposed below the first opening 112 or flush with a plane in which the first opening 112 is located, and the width of the top plate 411 may be set to be substantially the same size as the width of the heating cavity 11, so that the top plate 411 is connected to or adjacent to the two first side walls 131, so that a portion of the bottom wall 14 opposite to the top plate 411 may be substantially completely covered by the top plate 411. The baffle 41 thus encloses together with the housing side wall 13 and the housing bottom wall 14 a sterilization zone a. Specifically, the sterilization area a is formed by the top plate 411, one of the second side walls 132, a portion of the two first side walls 131, and a portion of the bottom wall 14 of the housing. The top plate 411 is formed as a top wall of the sterilization area a. The structure is simplest, only one top plate is needed, and the side wall and the bottom wall of the shell can be used for enclosing a non-closed cavity with the top plate to form a sterilization area. The position of the top plate in the height direction of the shell can be set according to the volume of the heating cavity and the mounting position of the sterilizing lamp, so long as the sterilizing lamp can be covered. The top plate may be a flat plate, or may be provided with a concave or convex structure for reducing or increasing the volume of the sterilization area, and the simplest structure is a flat plate as shown in fig. 5.

In the embodiment shown in fig. 5, a first opening 63 is formed at one end of the sterilization area a in the longitudinal direction of the housing, and the first opening 63 constitutes the communication inlet.

Embodiment III:

This embodiment is substantially the same as the above embodiment, and only the differences will be described below, mainly in the formation of the baffle structure and the sterilization zone.

In the embodiment shown in fig. 7-9, the enclosure structure 4 includes a baffle 41, and the baffle 41 may enclose a sterilization area a with the bottom wall 14 of the housing, where the sterilization area a has a communication inlet communicating with the heating chamber 11. The baffle 41 includes a top plate 411 and two side plates 412, the two side plates are respectively connected to two sides of the top plate 411, the top plate 411 is disposed opposite to the bottom wall 14 of the housing in the height direction of the housing to cover a part of the bottom wall 14 of the housing, and the two side plates 412 respectively extend to a certain height toward the bottom wall 14 of the housing and are supported on the bottom wall 14 of the housing, so that the enclosure structure 4 is a similar cover structure with an opening at the lower end. The top plate 411, the two side plates 412 and the bottom wall 14 enclose the sterilization area a, the top plate 411 forms a top wall of the sterilization area a, and the two side plates 412 form side walls of the sterilization area a. The enclosure structure is arranged to be the cover structure to cover the bottom wall of the shell, and the opening of the enclosure structure is sealed through the bottom wall of the shell, so that the sterilization area A is formed by enclosure, and the sterilization area is easy to form. The side plates can be straight plates as shown in fig. 8-9, inclined plates or a combination of the straight plates and the inclined plates, arc plates protruding outwards and the like.

As shown in fig. 8, the housing bottom wall 14 is provided with a mounting hole 12, the sterilizing lamp 3 is mounted on the mounting hole 12 of the housing bottom wall 14, and the light-emitting portion 32 thereof extends into the sterilizing area a. This kind of structure makes and need not set up the through-hole on the baffle, reduces processing procedure, and the sterilamp can set up in the central region of sterilization region along casing length and casing width, helps improving the homogeneity of sterilizing to the water in each direction in the sterilization region.

In other embodiments, the sterilizing lamp 3 may be mounted on the side wall 13 of the housing, and one of the side plates 412 may be provided with a through hole, through which the sterilizing lamp 3 passes, and the light emitting part 32 protrudes into the sterilizing area a. The luminous part of the sterilizing lamp stretches into the sterilizing area to enlarge the contact area of light rays and water, thereby being beneficial to improving the sterilizing efficiency. The sterilizing lamp is arranged on the side wall of the shell, so that the electric connection of the sterilizing lamp is easy to be connected with the circuit board, and the sterilizing and heating device is easy to be horizontally placed in the manufacturing process.

As shown in fig. 8, the two ends of the sterilization area a along the length direction of the housing are respectively opened to form a first opening 63 and a second opening 64, the first opening 63 forms the communication inlet to communicate the sterilization area a with the heating chamber 11, the second opening 64 forms the communication outlet, the second opening 64 is adjacent to one of the second side walls 132, the water outlet 111 is disposed on the second side wall 132 adjacent to the second opening 64, and the water sterilized by the sterilization area flows to the water outlet 111 through the second opening 64. The structure of the baffle can be simplified on the one hand by opening the two ends of the sterilization area, the material cost is saved, the water flow speed in the heating cavity can be accelerated, and the second opening 64 is close to the water outlet and can guide the reclaimed water in the heating cavity to flow into the sterilization cavity and then flow to the water outlet, so that the sterilization efficiency is improved.

The heating element of the present embodiment may be a block-shaped PTC heating element of the first embodiment or a heating element of a tube structure of the fifth embodiment.

Embodiment four:

the present embodiment is basically the same as the first embodiment described above, and differs mainly in the different positions of the connection structure of the baffle plate.

In this embodiment, the enclosure structure 4 includes a baffle 41, and the baffle 41 may enclose the housing sidewall 13 to form a sterilization area a. The sterilization zone a has a communication inlet communicating with the heating chamber 11. In this way, the sterilizing lamp 3 is usually mounted on the side wall 13 of the housing, may be mounted on the first side wall 131 or may be mounted on the second side wall 132, and the baffle 41 may be designed as an arc-shaped curved plate, an inclined plate or a combination of an inclined plate and a straight plate so as to conveniently enclose a cavity forming the sterilizing area a, and the number of the baffles 41 may be one or more according to the situation, so long as the baffles can enclose a cavity. The baffle 41 is only attached to the side wall 13 of the housing where the germicidal lamp 3 is mounted, if the germicidal lamp 3 is mounted to one of the first side walls 131, the baffle 41 is also mounted to that first side wall 131. The baffle may adopt the cover structure formed by the top plate 411 and two side walls 412 in the third embodiment, the baffle 41 is connected with the side wall 13 of the housing and covers the sterilizing lamp 3, the top plate 411 is opposite to the side wall 13 of the housing on one side, the two side walls 411 are distributed at intervals along the height direction of the housing, and the top plate 411, the two side walls 412 and the side wall 13 of the housing enclose together to form a sterilizing area.

In this embodiment, the sterilization area a may be disposed at one end of the heating chamber 11 along the length direction of the housing 1, preferably, the sterilizing lamp 3 is mounted on one of the first side walls 131, and then the baffle 41 is also mounted on the first side wall 131, the two ends of the sterilization area a along the length direction of the housing may also be disposed as the open first opening 63 and the second opening 64 as in the embodiment, and the water outlet 111 is disposed adjacent to the second side wall 132 of the second opening 64.

The heating element of the present embodiment may be a block-shaped PTC heating element of the first embodiment or a heating element of a tube structure of the fifth embodiment.

Fifth embodiment:

the present embodiment is substantially the same as the housing of the first embodiment, and the following description mainly describes the differences:

As shown in fig. 10-13, the enclosure structure includes a baffle 41, where the baffle 41 has a certain width and forms an annular structure that is closed or has a second opening 415, and the space formed by enclosing the annular structure forms the sterilization area a, and the sterilization area a has a communication inlet that communicates with the heating chamber 11. That is, the enclosure structure is mainly composed of the baffle plate itself, and the enclosure structure is different from the above embodiment in that the baffle plate and the side wall and/or the bottom wall of the housing are jointly composed.

The baffle 41 may be a ring-like ring around the whole circle, or a ring-like structure with a smaller opening. The shape of the annular structure is not limited, for example, the annular structure can be a square structure formed by enclosing a straight plate, a polygonal structure formed by enclosing a straight plate and an inclined plate, or an irregular annular structure formed by enclosing a straight plate, an inclined plate, an arc plate and the like, or a ring-like structure formed by enclosing a curved arc structure, and the ring can be a whole continuous ring, or a non-closed ring with annular ends not connected together and provided with a second opening. The baffle plate is enclosed to form a sterilization area, so that the inner surface of the whole sterilization area can be processed consistently and no seam is easy to realize on the surface, for example, the whole inner surface is processed into a smooth metal reflector or a reflector coated with a uniform coating, the uniformity of light reflection is improved, the sterilization uniformity in all directions is improved, and the sterilization efficiency is improved.

As shown in fig. 10 and 12-13, the heating element 2 of the present embodiment is in a long tubular structure, and the heating element 2 includes a tube 21, where the tube 21 is mounted on the housing 1, and is transversely penetrated in the heating cavity 11 along the length direction of the housing 1. In the height direction of the housing 1, the tube 21 is located at the middle upper portion of the heating chamber 11, the sterilizing lamp 3 is mounted below one of the second side walls 132 of the housing side walls 13, and the baffle 41 is also disposed below the tube 21, that is, the sterilizing area a is located below the tube 21. Wherein "below" means that the height of the tube 21 is higher than the heights of the sterilizing lamp 3 and the baffle 41 along the height direction of the housing, and it is not required that the sterilizing lamp 3 and the water outlet 111 are located directly below the tube 21. Therefore, the water enters from the first opening, is heated by the upper heating element pipe body and flows downwards to the sterilization area for sterilization, so that the water is heated, sterilization is realized, and the layout is reasonable.

The water outlet 111 is also arranged below the side wall 13 of the shell and on the same second side wall 132 with the sterilizing lamp 3, the water outlet 111 is also arranged below the tube body 21, and the water outlet 111 and the sterilizing lamp 3 are arranged close to each other. The water outlet and the sterilizing lamp are close to each other, so that water flows towards the water outlet, and the water flows through the sterilizing area for sterilization and then is discharged from the water outlet due to the fact that the water outlet is close to the sterilizing area A, and the sterilizing efficiency of the water is improved.

The inner wall of the heating chamber 11 forms a convex protrusion 16, that is, a convex protrusion 16 is provided on the inner surface of the side wall 13 of the housing facing the heating chamber and/or the inner surface of the bottom wall 14 of the housing facing the heating chamber 11, the protrusion 16 is located outside the sterilization area a, and the protrusion 16 is used for reducing the volume of the heating chamber 11. As shown in fig. 10 and 12 in particular, the sterilization area a is provided at one end of the heating chamber 11 in the longitudinal direction of the housing 1, and the housing bottom wall 14 and the housing side wall 13 at the other end of the heating chamber 11 are recessed at the outer surfaces thereof, and then the recesses are opposed to each other to form a convex portion 16 protruding toward the first opening 112 and toward the middle of the heating chamber in the interior of the heating chamber 11, and in order to avoid direct interference or contact of the tube 21 with the convex portion 16, the convex portion 16 is located at the outer side directly below the tube 21. Due to the two protruding parts 16, the whole volume of the heating cavity 11 formed by the enclosure of the shell is reduced, and due to the fact that the space of the part outside the sterilization area is small and the protruding parts are protruding, the sterilization area is at a low position relative to the protruding parts, water entering the heating cavity flows from the high-position protruding parts to the low-position sterilization area A, and most of water enters the sterilization area for sterilization and then is discharged, so that the sterilization efficiency is further improved. And the outer surface of the shell is directly recessed to form a convex part, so that the material consumption of the shell can be effectively reduced, and the cost is saved. While in other embodiments, such as where the outer surface of the housing is unchanged, the protrusions are not formed by depressions in the outer surface of the housing, but instead are raised protrusions disposed directly inside the heating chamber.

As shown in fig. 13, the housing includes a housing side wall 13 and a housing bottom wall 14, the housing side wall 13 and the housing bottom wall 14 enclose to form the heating chamber 11, a first opening 112 of the heating chamber 11 is formed at a top of the housing opposite to the housing bottom wall 14, and water enters the heating chamber 11 from the first opening 112. The baffle 41 comprises two first baffles 413 and a second baffle 414, the second baffle 414 is connected between the two first baffles 413, the second baffle 414 is connected to the bottom wall 14 of the shell, the two first baffles 413 comprise opposite connecting ends and free ends, and two ends of the second baffle 414 are respectively connected with the connecting ends of the two first baffles 413; the two first baffles 413 extend above the second baffles, and the second ends of the two first baffles 414 are close to each other, thereby enclosing the sterilization area with the second baffles 414 by the two first baffles 413. The two first baffle plates 413 may be inclined plates, a combination of inclined plates and straight plates, and an arc-shaped plate, as in the embodiment shown in fig. 11 and 13, the first baffle plates 413 are formed by connecting a first straight plate 4131 with a first inclined plate 4132, the connection part of the first straight plate 4131 and the first inclined plate 4132 may be in transition through an arc chamfer, the end of the first inclined plate 4132 is the free end of the first baffle plates 413, the first inclined plate 4132 makes the free ends of the two first baffle plates 413 approach each other, and the two first baffle plates 413 approach each other, so that the two first baffle plates and the second baffle plates enclose a ring structure, which may be closed or non-closed. The enclosing structure is formed by enclosing three baffles, and the second baffle is connected to the bottom wall of the shell, so that the enclosing structure can be arranged on the bottom wall of the shell and locked on the bottom wall of the shell through mounting pieces such as screws, and the enclosing structure can be fixed on the shell, so that the assembly is convenient and simple.

In the embodiment shown in fig. 10 and 11, the annular structure is non-closed, and the ends of the first baffle plate and the second baffle plate, which are close to each other, may be spaced apart from each other by a second opening 415, and the second opening 415 constitutes one of the communication inlets communicating with the heating chamber 11. The second opening 415 is disposed towards the first opening 112, and the second opening 415 is disposed opposite to the tube 21, that is, the orthographic projection of the tube 21 towards the bottom wall 14 of the housing falls on the second opening 415. The second opening is right to the pipe body, so that part of water heated by the heating piece can enter the sterilization area from the second opening quickly, the flow of the water is quickened under the condition that the heating and sterilization efficiency is not influenced, and the heating and sterilization speed is quickened when the foot bath is applied to the foot bath.

In the embodiment shown in fig. 13, the baffle plate 41 of the annular structure extends around the width and height directions of the heating chamber 11, so that the two ends of the sterilization area a along the length direction of the housing 1 can be further provided with a third baffle plate enclosure, or the sterilization area a can be formed into an open state without being provided with a baffle plate enclosure. The two ends of the sterilization area a along the length direction of the housing 1 are opened, the two ends are formed into a first opening 63 and a second opening 64, the first opening 63 and the second opening 415 jointly form the communication inlet so that the sterilization area a is communicated with the heating cavity 11, namely, the communication inlet is provided with two openings in different directions, the second opening 415 receives water flowing into the sterilization area a from above, the first opening 63 receives water flowing into the sterilization area a from the length direction of the housing, and therefore all water heated by the pipe body can flow into the sterilization area a conveniently.

As shown in fig. 13, the second opening 64 is opened toward the water outlet 111 and is provided near the water outlet 111, the second opening 64 communicates the sterilization area a with the water outlet 111 in a substantially straight direction or in a slightly inclined direction, and the second opening 64 is formed as a communication outlet through which the sterilization area a communicates with the water outlet 111. Because the water in the heating chamber 11 has a tendency to flow toward the water outlet 111, since the second opening 64 is opened toward the water outlet 111 and is disposed close to the water outlet 111, the water flowing toward the water outlet flows toward the sterilization area, and then flows out from the second opening 64 and then flows quickly to the water outlet for discharge, so that most of the water flows through the sterilization area for sterilization before being discharged, and the sterilization efficiency of the whole water is improved.

In addition, as shown in fig. 13, the sterilizing lamp 3 and the water outlet 111 are close to each other and are arranged at the bottom of the same second side wall 132 side by side, the light emitting part 32 of the sterilizing lamp 3 extends into the sterilizing area a from the second opening 64, the light emitting part 32 is directly contacted with water, and all the light of the light emitting part 32 can be directly emitted into the water in the sterilizing area a, so that the sterilizing distance is shortest and the light cannot be attenuated; in addition, the sterilizing lamp stretches into the sterilizing area, so that the contact area of the light-emitting part and water is large, light rays emitted by the sterilizing lamp are all emitted into the water, waste is avoided, and the sterilizing efficiency of the water is greatly improved.

In the embodiment shown in fig. 11 and 13, a temperature controller 5 is further provided at one end of the sterilization heating device, and the temperature controller 5 is used for detecting the temperature of the heating member 2 so as to control the operation of the heating member 2 through a controller on the foot bath. Two heating assembly holes 15 are respectively formed in the two second side walls 132 of the shell 1, the heating element 2 comprises a tube body 21 and a heat conducting block 22, the tube body 21 is arranged in the shell 1 in a penetrating manner, two ends of the tube body 21 are respectively arranged in the heating assembly holes 15, namely, the tube body 21 stretches into the heating cavity, the middle part of the tube body 21 is transversely arranged in the heating cavity 11, and two ends of the tube body are positioned outside the heating cavity. The shell 1 is made of a resin material, the heating element 2 is made of a metal material, and the heat conducting block 22 is connected to the surface of the pipe body, that is, the heat conducting block 22 is convexly arranged on the pipe body 21. The heat conducting block 22 is arranged at one end of the pipe body 21 and is positioned outside the heating cavity 11, the temperature controller 5 is also positioned outside the heating cavity 11 and is in contact with the heat conducting block 22, the temperature controller 5 is tightly attached to the surface of the heat conducting block through the pressing plate 51 with the pressing buckle 511, and therefore the temperature of the pipe body can be quickly transferred to the temperature controller through the heat conducting block, and the temperature of a heating part is detected. The shell of the prior art is made of metal aluminum, the metal aluminum is easy to oxidize to form scale, the scheme changes the shell 1 into a resin material to reduce the scale, meanwhile, as the resin heat transfer is much slower than that of the metal aluminum during dry burning, the damage to surrounding parts or wires can be reduced when the temperature of the plastic shell is lower than that of the metal aluminum, and the shell can be made of insulating resin materials such as plastics. The heat conducting block is arranged to conveniently transfer the heat of the heating piece to the outside of the heating cavity, so that the heat conducting block is convenient to contact with the temperature controller, and the temperature of the heating piece can be accurately detected.

As shown in fig. 13, the heat conducting block 22 may be any structure protruding on the surface of the pipe body 21, preferably may be a sheet structure, and the sheet structure has a large area and a small thickness, is easy to conduct heat and is easy to attach to the temperature controller.

Of course, the heating element 2 of the second embodiment may also replace the tube heater with a block-shaped PTC heater as in the first embodiment described above, so that the block-shaped heater may be provided at the other end of the heating chamber in the longitudinal direction of the housing away from the sterilization area. The heating element of the tube structure of this embodiment may be used in the above embodiments.

The present utility model also proposes a foot bath apparatus, as shown in fig. 14 to 15, which employs any one of the embodiments of the sterilization heating device described above, the foot bath apparatus having a tub 8 and a massaging device, the tub 8 enclosing a foot bath chamber 81 formed with foot bath water, the massaging device being provided in the tub 8 for massaging feet of a human body, the massaging device including a massaging head and a soft rubber pad 82 covering the massaging head, the soft rubber pad 82 being formed as a part of a bottom wall of the foot bath chamber. When the user uses the foot bath device, the user can put the feet into the foot bath cavity to soak the feet and start the massage device, and the massage head of the massage device performs massage through the soft rubber pad. The heating cavity 11 is in waterway communication with the foot bath cavity, and the heating piece 2 is used for heating water in the foot bath cavity so as to raise the temperature of the water in the foot bath cavity and keep the water in the foot bath cavity at a constant temperature through cyclic heating. The sterilizing lamp 3 is used for sterilizing water in the foot bath cavity, has the effect of high sterilizing efficiency, can meet the requirement of a user on the cleanliness of the basin body and water, and is very suitable for a plurality of people to use the same foot bath device or the user with beriberi to have high sterilizing effect.

As shown in fig. 14 to 15, the foot bath device includes a circulation waterway for circulating and heating water in the foot bath chamber so as to keep the water constant during the foot bath massage of the user, the circulation waterway being provided at the bottom or under the foot bath chamber 81 and communicating with the foot bath chamber 81. The water circulation path comprises a circulating water inlet 91 and a circulating water outlet 92, the sterilizing and heating device is connected between the circulating water inlet 91 and the circulating water outlet 92, water in the foot bath cavity 81 enters the heating cavity 11 through the circulating water inlet 91 for heating and sterilizing, then flows back into the foot bath cavity 81 from the circulating water outlet 92, a water pump 71 is further arranged in the foot bath, and the water pump 71 is positioned on the circulating water path between the sterilizing area A and the circulating water outlet 92. The water pump is arranged between the sterilization area A and the circulating water outlet 92, so that the power for water flowing towards the sterilization area A can be provided for water in the foot bath cavity, the water is driven to flow into the heating cavity 11 from the circulating water inlet 91, and flows out of the circulating water outlet after being sterilized in the sterilization area A. And the water pump is arranged outside the sterilization heating device, so that the structure of the sterilization heating device can be simplified, and if the shell does not need to be provided with a through hole for installing the water pump, and the like.

Of course, the integrated sterilization heating device of the first embodiment is also adopted in the foot bath, the water pump 71 is integrally installed on the sterilization heating device, and the water pump 71 is located between the sterilization area a and the water outlet 111. The water pump is located between the sterilization area and the water outlet and can provide flowing power for water flowing into the heating cavity from the foot bath cavity to the sterilization area, and the water flows into the sterilization area for sterilization and then is discharged from the water outlet, so that the sterilization efficiency of foot bath water is improved.

After the user finishes using the foot bath device and soaking feet, the sterilization heating device stops heating, and water in the foot bath cavity flows through the heating cavity and is discharged from the water outlet 113

While the application has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present application may be embodied in several forms without departing from the spirit or essential attributes thereof, it should be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalences of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims (18)

1. The utility model provides a foot bath is with sterilization heating device, its characterized in that, including casing, heating piece and sterilamp, the casing encloses and closes and be formed with the heating chamber, the heating piece is installed on the casing and be used for heating water in the heating chamber, the sterilamp sets up on the casing, the sterilamp can send out the light that kills the bacterium in order to be used for right the water in the heating chamber disinfects, be equipped with in the heating chamber and enclose and keep off the structure, enclose and keep off the periphery that the structure is located the sterilamp, enclose and keep off the structure enclose and close the formation sterilization area or enclose and keep off the structure with the inner wall of casing encloses and form the sterilization area, the sterilamp orientation the sterilization area is emitted light, the sterilization area with the heating chamber intercommunication, the heating chamber has the delivery port, the sterilization area is equipped with the delivery port or the sterilization area intercommunication, the water in the heating chamber flows through behind the sterilization area follow the delivery port.

2. The sterilization and heating device for foot bath according to claim 1, wherein the housing is provided with a mounting hole, the sterilization lamp is mounted in the mounting hole and the light emitting portion thereof extends into the sterilization area, and the sterilization area is provided with a communication inlet communicated with the heating cavity.

3. The sterilization and heating device for a foot bath according to claim 1, further comprising a temperature controller, wherein the housing is made of a resin material, the heating member is made of a metal material, the heating member comprises a tube body and a heat conduction block connected to the surface of the tube body, a part of the tube body extends into the heating cavity, the heat conduction block is arranged at one end of the tube body located outside the heating cavity, and the temperature controller is located outside the heating cavity and is in contact with the heat conduction block.

4. The sterilization and heating apparatus for a foot bath according to claim 1, wherein an inner wall of the heating chamber forms a convex protrusion, the protrusion being located outside the sterilization area, the protrusion being for reducing a volume of the heating chamber.

5. The sterilization and heating device for a foot bath according to claim 1, wherein the housing includes a housing side wall and a housing bottom wall that enclose to form the heating chamber, a top of the housing opposite the housing bottom wall forms a first opening of the heating chamber, water enters the heating chamber from the first opening, and the enclosure structure includes a baffle that encloses together with the housing side wall and/or the housing bottom wall to form a sterilization zone having a communication inlet that communicates with the heating chamber.

6. The sterilization and heating device for a foot bath according to claim 5, wherein the housing side wall includes two first side walls in a longitudinal direction and two second side walls in a width direction, the baffle plate includes a top plate provided opposite to the housing bottom wall in a height direction of the housing so as to shield a part of the housing bottom wall, the sterilization area is provided at one end of the heating chamber in the housing longitudinal direction, the sterilization area is formed by enclosing at least the top plate, a part of the first side wall, a part of the second side wall, and a part of the housing bottom wall, the top plate forms a top wall of the sterilization area, and one side of the sterilization area in the longitudinal direction of the housing is formed with the communication inlet.

7. The sterilization and heating apparatus for a foot bath according to claim 6, wherein the baffle further comprises at least one side plate connected to the top plate, wherein at least one side plate is located at one end of the sterilization area in the longitudinal direction of the housing, the side plate is provided with the communication inlet, the communication inlet is a communication hole, and the communication hole is disposed near the sterilization lamp.

8. The sterilization and heating device for a foot bath according to claim 7, further comprising a water pump and a pump cover, wherein the water pump is mounted on the side wall of the shell, the pump cover is arranged at the impeller of the water pump to form a water pump cavity with the side wall of the shell, the pump cover is provided with a water inlet joint, the water inlet joint stretches into the sterilization area to communicate the sterilization area with the water pump cavity, the pump cover is provided with a water outlet joint, a water outlet of the water outlet joint forms a water outlet of the heating cavity, a through hole is arranged on the top plate and is connected with the water outlet joint through a water outlet pipe, and the water outlet pipe penetrates through the through hole.

9. The sterilization and heating device for a foot bath according to claim 5, wherein the baffle plate includes a top plate and two side plates, the two side plates are respectively connected to both sides of the top plate, the top plate is disposed opposite to the bottom wall of the housing in the height direction of the housing so as to shield a part of the bottom wall of the housing, the two side plates respectively extend toward the bottom wall of the housing and are supported on the bottom wall of the housing, the top plate, the two side plates and the bottom wall of the housing enclose the sterilization area, the top plate forms a top wall of the sterilization area, and the two side plates form side walls of the sterilization area; the sterilizing lamp is arranged on the bottom wall of the shell and extends into the sterilizing area, or the sterilizing lamp is arranged on the side wall of the shell, penetrates through one side plate and extends into the sterilizing area.

10. The sterilization and heating device for a foot bath according to claim 6, wherein the sterilization area is formed with a first opening and a second opening opened at both ends in a longitudinal direction of the housing, respectively, the first opening constituting the communication inlet, the second opening being adjacent to one of the second side walls, and the water outlet being provided on the second side wall adjacent to the second opening.

11. The sterilization and heating device for a foot bath according to claim 9, wherein the housing side wall includes two first side walls in a length direction and two second side walls in a width direction, both ends of the sterilization area in the length direction of the housing are respectively opened to form a first opening and a second opening, the first opening constitutes the communication inlet, the second opening is adjacent to one of the second side walls, and the water outlet is provided on the second side wall adjacent to the second opening.

12. The sterilization and heating apparatus for a foot bath according to claim 1, wherein the enclosure structure includes a baffle plate having a certain width and forming a closed annular structure or an annular structure with a second opening, the annular structure enclosing a formed space to constitute the sterilization area, the sterilization area having a communication inlet communicating with the heating chamber.

13. The sterilization and heating device for a foot bath according to claim 12, wherein the heating member comprises a tube body which is mounted on the housing and transversely penetrates the heating chamber, the sterilization lamp and the baffle are both positioned below the tube body in the height direction of the housing, the sterilization lamp and the water outlet are mounted on the same side wall of the housing and are close to each other, and the water outlet is also positioned below the tube body.

14. The sterilization and heating device for a foot bath according to claim 12, wherein the housing comprises a housing side wall and a housing bottom wall, the housing side wall and the housing bottom wall enclose to form the heating cavity, a first opening of the heating cavity is formed at a top of the housing opposite to the housing bottom wall, water enters the heating cavity from the first opening, the baffle comprises two first baffles and a second baffle, the second baffle is connected between the two first baffles, the second baffle is connected to the housing bottom wall, the two first baffles comprise opposite connecting ends and free ends, and two ends of the second baffle are respectively connected with the connecting ends of the two first baffles; the two first baffles extend towards the upper side of the second baffle, and the free ends of the two first baffles are close to each other to form the sterilization area.

15. The sterilization and heating device for a foot bath according to claim 14, wherein the housing is a rectangular parallelepiped, the housing side walls include two first side walls in a length direction and two second side walls in a width direction, one ends of the two first baffles, which are close to each other, are formed with second openings at intervals, the second openings are disposed toward the first openings, the sterilization area is formed with first openings and second openings along both ends of the housing side walls in a direction, the first openings and the second openings together form the communication inlet, the second openings are open toward the water outlet and are disposed adjacent to the water outlet, and the light emitting portion of the sterilization lamp extends into the sterilization area from the second openings.

16. The sterilization and heating device for a foot bath according to claim 1, wherein the shielding structure comprises a shielding plate, the shielding plate is arranged around the outer periphery of the sterilization lamp, the sterilization lamp is an ultraviolet lamp, and the shielding plate is a reflecting plate capable of reflecting light rays of the sterilization lamp.

17. A footbath device, which is characterized by comprising the sterilizing and heating device for the footbath device according to any one of claims 1-16, wherein a footbath cavity for containing water is formed in the footbath body, the heating cavity is communicated with a waterway of the footbath cavity, the heating piece is used for heating water in the footbath cavity, and the sterilizing lamp is used for sterilizing the water in the footbath cavity.

18. The foot bath according to claim 17, wherein the foot bath comprises a circulating waterway comprising a circulating water inlet and a circulating water outlet, the sterilizing and heating device is connected between the circulating water inlet and the circulating water outlet, and water in the foot bath cavity flows back into the foot bath cavity from the circulating water outlet after entering the heating cavity through the circulating water inlet for heating and sterilizing;

A water pump is arranged in the foot bath device and is positioned on a waterway between the sterilization area and the circulating water outlet; or the sterilization heating device is provided with a water pump, and the water pump is positioned between the sterilization area and the water outlet.