CN220141372U - Electric thermos bottle - Google Patents

Abstract

The utility model discloses an electric hot water bottle, and relates to the field of small household appliances. The water tank is provided with an upper coupler, a lower coupler is arranged on the base, an upper water outlet component is arranged on the upper coupler, a lower water outlet component is arranged on the lower coupler, the base comprises a bottom cover and a panel, a through hole is formed in the panel, the lower coupler is inserted into the through hole, a support is arranged at the lower end of the panel, a water passing hole and a mounting hole are formed in the support, the water passing hole is arranged in the middle of the support, the lower water outlet component is arranged in the water passing hole in a penetrating manner, the mounting hole is located between the water passing hole and the through hole, the support is connected with the lower coupler through a fastener penetrating through the mounting hole, and the edge of the lower coupler and the edge of the support respectively abut against the upper end face and the lower end face of the panel. The utility model provides an electric hot water bottle, which utilizes a bracket to simultaneously fix or limit a lower water outlet assembly and a lower coupler, ensures that the position of the lower water outlet assembly is stable so as to be smoothly coupled with an upper water outlet assembly, and has simple structure and convenient assembly.

Description

Electric thermos bottle

Technical Field

The utility model relates to the field of small household appliances, in particular to an electric hot water bottle.

Background

The electric thermos bottle is used as a large-capacity liquid heater, and the machine is large in volume and weight. The conventional split type electric hot water bottle comprises a water tank and a base, wherein the water tank and the base are arranged in a split mode, an upper coupler and an upper water outlet assembly are arranged on the water tank, a lower coupler and a lower water outlet assembly are arranged on the base, the upper coupler and the lower coupler are electrically connected, heating is controlled, electric coupling is achieved, the upper water outlet assembly and the lower water outlet assembly are in butt joint to form a water outlet channel which can be communicated, water outlet is achieved, and water coupling is achieved.

In some electric hot water bottles, the electric coupling structure and the water coupling structure are integrated together and are arranged in the middle of the water tank and the base, so that the water tank can rotate relative to the base, and the water tank can be placed on the base at any angle. For example, chinese authorized publication number CN206836776U, entitled "novel water extraction electric kettle", chinese authorized publication number CN204071727U, entitled "novel automatic water-feeding upper seat structure for electric kettle", chinese application publication number CN108577529a, entitled "water connector, electric coupler, electric kettle" etc. all disclose structures in which electric coupling and water coupling are all set up centrally in the middle of the base. In the above patent, although the support is provided to fix the lower coupler, the support has no limit or fixing effect on the lower water outlet component, so that when the water tank is placed on the base, the lower water outlet component on the lower coupler may deviate, and the lower water outlet component and the upper water outlet component cannot be smoothly coupled.

In the electric hot water bottle with water and electric coupling structures designed at the same place, the lower coupler and the lower water outlet assembly are generally installed on a panel of the base, and the lower coupler is generally fixedly connected only by a bracket, so that the lower water outlet assembly is lack of limit or fixation, and the lower water outlet assembly can be deviated to be coupled with the upper water outlet assembly smoothly.

Disclosure of Invention

Aiming at the defect that the lower water outlet assembly can deviate and cannot be smoothly coupled with the upper water outlet assembly due to the fact that the lower coupler is fixedly connected with the lower coupler through a bracket which is usually only designed in the electric hot water bottle with the same water and electric coupling structure, the utility model aims to provide the electric hot water bottle which utilizes the bracket to simultaneously fix or limit the lower water outlet assembly and the lower coupler, ensures that the position of the lower water outlet assembly is stable and is smoothly coupled with the upper water outlet assembly, and has a simple structure and convenient assembly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric hot water bottle, includes water tank and base, is equipped with the coupler on the water tank, goes up the water subassembly, is equipped with coupler down on the base, goes out the water subassembly down, and the middle part of coupler down is equipped with the apopore down, goes out the water subassembly down and wears to establish in the apopore, and when the water tank was placed on the base, goes up the water passageway that the water subassembly was formed can communicate with lower water subassembly butt joint by the coupling of coupler and lower coupler down, and the base includes bottom and lid and establishes the panel in the bottom upper end, is equipped with the through-hole on the panel, and lower coupler inserts and establishes in the through-hole, the lower extreme of panel is equipped with the support, is equipped with water hole, mounting hole on the support, and water hole is located the middle part of support and is located the below of through-hole, goes out the water subassembly down and wears to establish in water hole, and the mounting hole is located between water hole and the through wearing to establish fastener and lower coupler connection in the mounting hole, the edge of coupler down, the edge of support are pressed respectively in the upper and lower terminal surface of panel.

In this technical scheme, water tank and base are components of a whole that can function independently structure, go up the coupler through the mutual coupling and carry out the electricity with coupler down and connect, control the heating, realize the electric coupling, go up the water outlet subassembly and go out the water passageway that water subassembly butt joint formation can communicate down, go out water, realize the water coupling, go out water subassembly and coupler coaxial arrangement and fix, realize the synchronous coupling of water and electricity, the water tank is rotatory relative to the base, the assembly is simple, promotes user experience. The lower coupler with the lower water outlet component is arranged on a through hole of the panel, a support is designed, and the lower coupler and the support are fixed through a mounting hole on the support and a fastener penetrating through the mounting hole. The lower water outlet component is arranged in the water passing hole below the through hole in a penetrating way, the water outlet hole, the through hole and the water passing hole are coaxially arranged, the support is used for fixing the lower water outlet component through the water passing hole, the mounting hole is positioned between the water passing hole and the through hole in the horizontal space, the mounting hole, the water passing hole and the through hole are not mutually influenced, the support is used for fixing the lower coupler and limiting the lower water outlet component, the water and point coupling structure is stable, the position of the lower water outlet component is ensured to be stable, the upper water outlet component is smoothly coupled, the structure is simple, the connection is firm, the lower water outlet component and the lower coupler are convenient to disassemble, and the lower water outlet component and the lower coupler are convenient to assemble.

The utility model is further arranged to: the lower water outlet assembly is fixedly connected with the bracket or is supported on the bracket. Through this setting, lower play water subassembly can with support fixed connection to increase the fixed effect of lower play water subassembly, lower play water subassembly also can support on the support, do not produce relation of connection with the support, but rely on the connection of other parts to carry out spacingly to lower play water subassembly.

The utility model is further arranged to: the lower water outlet assembly comprises a lower water outlet pipe, and the lower end face of the lower water outlet pipe is welded on the upper end face of the bracket. Through this setting, lower water outlet subassembly is through outlet pipe play water down, and the lower terminal surface of outlet pipe utilizes ultrasonic welding with the up end of support together for support and lower water outlet subassembly fixed connection form a whole, and the welded part just is the position that the water hole was located, forms the water outlet channel between lower water outlet subassembly and support, seals the junction of lower water outlet subassembly and support simultaneously, prevents to leak.

The utility model is further arranged to: the lower water outlet assembly further comprises a lower silica gel pipe, the lower silica gel pipe is positioned in the lower water outlet pipe and the water outlet hole, and the lower silica gel pipe seals a welding part between the lower water outlet pipe and the support. Through this setting, lower silicone tube sets up in outlet pipe, water hole down, utilizes the elastic deformation of lower silicone tube to seal the junction of outlet pipe and water hole down, and then seals the welded part of lower water outlet subassembly and support, prevents to leak, realizes fastening assembly simultaneously.

The utility model is further arranged to: the water passing hole is internally provided with an annular step extending inwards, a containing cavity is formed between the inner wall of the water passing hole and the annular step, the lower water outlet assembly further comprises a lower piston, and the lower piston can be arranged in the containing cavity in an up-and-down sliding mode. Through this setting, the accommodation chamber provides installation space for lower piston, and annular step plays limiting displacement to lower piston simultaneously, and translation about the piston is down effectively restricted for lower piston can slide from top to bottom in annular step's hole, and the annular step can restrict the position of silicone tube down simultaneously, prevents that lower silicone tube from deviating from the water hole downwards.

The utility model is further arranged to: the peripheral wall of the water passing hole extends downwards to form a water outlet, a water pump is arranged on the base, and a water inlet pipe of the water pump is sleeved on the water outlet. Through this setting, the water inlet pipe of water pump is established on the delivery port of support lower extreme, utilizes the motion of water pump drive lower piston, realizes the play water of electric hot-water bottle.

The utility model is further arranged to: the edge of the support is provided with a boss protruding out of the upper end face of the support, and the upper end face of the boss abuts against the lower end face of the panel. Through this setting, support edge protrusion forms the boss in the support terminal surface, and the boss forms spacingly with the both ends face of panel to it is spacing with support and panel, except that the structure of boss on the support not with the panel contact, prevent through-hole and the mounting hole on the cover panel, the normal use of through-hole and mounting hole of being convenient for.

The utility model is further arranged to: the support comprises a mounting ring positioned at the middle position and a plurality of mounting arms extending outwards from the outer side wall of the mounting ring, the water passing holes are formed in the mounting ring, and the mounting holes are formed in the mounting arms. The support is wholly in the ring form, the circular through-hole of cooperation panel of being convenient for assembles, is equipped with the water hole on the collar of intermediate position, and the support of being convenient for forms the water channel with lower play water subassembly cooperation, and the radial extension of collar of support is followed to the installation arm, is equipped with the mounting hole on the installation arm, and the support of being convenient for is fixed with lower coupler, forms the breach between a plurality of installation arms, under the boss at guaranteeing the support edge can press the condition on the panel, saves support material, reduces support weight, practices thrift the cost.

The utility model is further arranged to: a plurality of said mounting arms are equiangularly distributed along the circumference of the mounting ring. The bosses at the outer edges of the mounting arms distributed at equal angles are propped against the end surface of the panel to form limit, so that the arrangement is reasonable, the stress is uniform, and the structure is stable; the mounting holes on the mounting arms distributed at equal angles are matched with the lower coupler, and the fixing support and the lower coupler are reasonable in arrangement, uniform in stress and stable in structure.

The utility model is further arranged to: the lower end face of the lower coupler is provided with a mounting column, the position of the mounting column corresponds to the position of the mounting hole, and the fastener penetrates through the mounting hole to be connected to the mounting column. Through this setting, the erection column of terminal surface and the mounting hole adaptation on the installation arm under the coupler, utilize the fastener to pass the mounting hole and be connected with the erection column, fix coupler and support down together, can dismantle the dismouting between connection benefit coupler and the support down, conveniently change the part.

The utility model has the advantages that: (1) The support can be used for fixing the lower water outlet assembly and the lower coupler, limiting the lower water outlet assembly and the lower coupler, and is stable in structure, firm in connection and convenient to assemble and disassemble; (2) The lower coupler and the bracket respectively prop against the end surfaces of the two sides of the through hole, and form a seal for the through hole when the lower coupler and the bracket clamp and fix the panel; (3) The support is wholly in the ring form, and the circular through-hole of cooperation panel of being convenient for assembles, and the radial extension of collar of support is followed to the installation arm forms the breach between a plurality of installation arms, under the circumstances that the both ends face of assurance boss and panel supported and is formed spacing, fixed bolster and lower coupler, save material, practice thrift the cost, a plurality of installation arms equiangular distribution, it is equiangular distribution to arrange rationally, the atress is even, stable in structure.

Drawings

FIG. 1 is a cross-sectional view of an electric hot water bottle in accordance with one embodiment of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a cross-sectional view of an upper coupler in one embodiment of the utility model;

FIG. 4 is a cross-sectional view of a lower coupler in one embodiment of the utility model;

FIG. 5 is a schematic diagram of a lower coupler according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a bracket according to an embodiment of the present utility model.

Reference numerals: water tank 100, upper coupler 110, upper water outlet assembly 111, base 200, lower coupler 210, lower water outlet assembly 211, lower water outlet tube 212, lower silicone tube 213, lower piston 214, bottom cover 220, panel 230, through hole 231, mounting post 240, water pump 250, bracket 300, water passing hole 310, annular step 311, mounting hole 320, boss 330, mounting ring 340, mounting arm 350, water outlet 360.

Detailed Description

In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

The utility model is further described below with reference to the drawings and specific examples.

Referring to fig. 1 to 6, an electric kettle in an embodiment of the present utility model includes a water tank 100 and a base 200, wherein an upper coupler 110 is provided on the water tank 100, a lower coupler 210 is provided on the base 200, an upper water outlet assembly 111 is provided on the upper coupler 110, a lower water outlet assembly 211 is provided on the lower coupler 210, a water outlet hole is provided in the middle of the lower coupler 210, the lower water outlet assembly 211 is penetrated in the water outlet hole, when the water tank 100 is placed on the base 200, the upper coupler 110 and the lower coupler 210 are coupled, the upper water outlet assembly 111 is in butt joint with the lower water outlet assembly 211 to form a communicable water outlet channel, the base 200 includes a bottom cover 220 and a panel 230 covering the upper end of the bottom cover 220, a through hole 231 is provided on the panel 230, the lower coupler 210 is inserted in the through hole 231, a bracket 300 is provided at the lower end of the panel 230, a water passing hole 310 and a mounting hole 320 are provided on the bracket 300, the water passing hole 310 is positioned in the middle of the bracket 300 and below the through hole 231, the lower water outlet assembly 211 is penetrated in the water passing hole 310, and the horizontal space, the mounting hole 320 is positioned between the through hole 231 and the through hole 231. The bracket 300 is connected with the lower coupler 210 by a fastener penetrating through the mounting hole 320, and the edge of the lower coupler 210 and the edge of the bracket 300 respectively abut against the upper and lower end surfaces of the panel 230.

In this embodiment, the water tank 100 and the base 200 of the split electric water bottle are electrically connected through the upper coupler 110 and the lower coupler 210 that are mutually coupled, so as to control heating, realize electrical coupling, the upper water outlet component 111 and the lower water outlet component 211 are in butt joint to form a water outlet channel capable of being communicated, water outlet is performed, water coupling is realized, the water outlet component and the coupler are coaxially installed and fixed, synchronous coupling of water and electricity is realized, the water tank 100 rotates relative to the base 200, assembly is simple, and user experience is improved. The lower coupler 210 is inserted into the through hole 231 on the panel 230, and the lower coupler 210 is fixed to the bracket 300 by the mounting hole on the bracket 300 and the fastener penetrating into the mounting hole 320. The lower water outlet assembly 211 penetrates through the water passing hole 310 below the through hole 231, the lower water outlet assembly 211 is matched with the water passing hole in the middle of the support 300 to form a water outlet channel, the mounting hole 320 is positioned between the water passing hole 310 and the through hole 231, the mounting hole 320, the water passing hole 310 and the through hole 231 are not mutually affected, the lower coupler 210 and the support 300 are respectively abutted against the end faces of two sides of the through hole 231, the lower coupler 210 and the support 300 clamp the fixing panel 230 and form a seal for the through hole 231, the support 300 is utilized to fix the lower water outlet assembly 211 and the lower coupler 210 and limit the lower water outlet assembly 211 and the lower coupler 210, the position of the lower water outlet assembly 211 is guaranteed to be firmly and smoothly coupled with the upper water outlet assembly 111, the structure is simple, the connection is firm, and meanwhile the lower water outlet assembly 211 and the lower coupler 210 are convenient to assemble and disassemble.

In one embodiment of the present utility model, referring to fig. 6, in order to limit the support and the panel and facilitate normal use of the through holes and the mounting holes, the edge of the support 300 is provided with a boss 330 protruding from the upper end surface of the support 300, and the upper end surface of the boss 330 abuts against the lower end surface of the panel 230. The edge of the bracket 300 protrudes out of the end face of the bracket 300 to form a boss 330, and the boss 330 abuts against two end faces of the panel 230 to form a limit, so that the bracket 300 is limited to the panel 230, structures except the boss 330 on the bracket 300 are not contacted with the panel 230, the through holes 231 and the mounting holes 320 on the panel 230 are prevented from being covered, and the through holes 231 and the mounting holes 320 are convenient to use normally.

Referring to fig. 6, in order to fix the bracket and the lower coupler while forming the water outlet passage, the bracket 300 includes a mounting ring 340 at a middle position and a mounting arm 350 extending outwardly from an outer sidewall of the mounting ring 340, the water passing hole 310 is provided on the mounting ring 340, and the mounting hole 320 is provided on the mounting arm 350. The water passing holes 310 are arranged on the mounting ring 340 at the middle position of the bracket 300, so that the bracket 300 and the lower water outlet assembly 211 are matched to form a water outlet channel, and the mounting arms 350 formed by outwards extending the mounting ring 340 are provided with the mounting holes 320, so that the bracket 300 and the lower coupler 210 are fixed.

In one embodiment of the present utility model, referring to fig. 6, in order to save the material of the bracket 300, the bracket 300 has a notched ring shape, and the mounting arm 350 extends in the radial direction of the bracket 300. The whole bracket 300 is circular, is convenient for cooperate the circular through-hole 231 of panel 230 to assemble, and the radial extension of collar 340 of bracket 300 is followed to installation arm 350, forms the breach between a plurality of installation arms 350, under the circumstances that the both ends face of assurance boss 330 and panel 230 support and form spacing, fixed support 300 and lower coupler 210, save material, practice thrift the cost.

It will be appreciated that the stent 300 may be a complete ring without a notch.

In order to stabilize the connection structure of the bracket and the lower coupler, the plurality of mounting arms 350 are provided, and the plurality of mounting arms 350 are equiangularly distributed along the circumference of the mounting ring 340. The bosses 330 at the outer edges of the plurality of the mounting arms 350 distributed at equal angles are propped against the end surface of the panel 230 to form limit, so that the arrangement is reasonable, the stress is uniform, and the structure is stable; the mounting holes 320 on the plurality of mounting arms 350 distributed at equal angles are matched with the lower coupler 210, and the fixing support 300 and the lower coupler 210 are reasonable in arrangement, uniform in stress and stable in structure.

It will be appreciated that the number of mounting arms 350 may be one or more.

It will be appreciated that the plurality of mounting arms 350 may be equiangularly distributed along the circumference of the mounting ring 340 or non-equiangularly distributed along the circumference of the mounting ring 340.

In one embodiment of the present utility model, referring to fig. 4, in order to facilitate the assembly and disassembly of the lower coupler 210 from the bracket 300, the lower end surface of the lower coupler 210 is provided with a mounting post 240, the mounting post 240 is positioned corresponding to the mounting hole 320, and a fastener is coupled to the mounting post 240 through the mounting hole 320. The mounting post 240 on the lower end surface of the lower coupler 210 is matched with the mounting hole 320 on the mounting arm 350, and the lower coupler 210 and the bracket 300 are fixed together by penetrating the mounting hole 320 and connecting the mounting post 240 through a fastener, so that the lower coupler 210 and the bracket 300 are convenient to assemble and disassemble, and parts are convenient to replace.

Referring to fig. 4, the lower water discharge assembly 211 is fixedly connected with the bracket 300, and the lower water discharge assembly 211 includes a lower water discharge pipe 212, and a lower end surface of the lower water discharge pipe 212 is welded on an upper end surface of the bracket 300. The lower water outlet assembly 211 is used for discharging water through the lower water outlet pipe 212, the lower end face of the lower water outlet pipe 212 and the upper end face of the support 300 are welded together by utilizing ultrasonic waves, the welding position is just the position of the water outlet hole 310, a water outlet channel is formed between the lower water outlet assembly 211 and the support 300, and meanwhile, the joint of the lower water outlet assembly 211 and the support 300 is sealed to prevent water leakage.

It will be appreciated that the lower water outlet assembly 211 may also be supported on the stand 300 without being connected to the stand 300, but rather relying on other components to limit the lower water outlet assembly 211.

In order to further improve the sealing effect, the lower water outlet assembly 211 further comprises a lower silicone tube 213, wherein the lower silicone tube 213 is positioned in the lower water outlet tube 212 and the water outlet hole 310, and the lower silicone tube 213 seals a welding part between the lower water outlet tube 212 and the bracket 300. The lower silicone tube 213 is arranged in the lower water outlet tube 212 and the water passing hole 310, and the joint of the lower water outlet tube 212 and the water passing hole 310 is sealed by utilizing the elastic deformation of the lower silicone tube 213, so that the welding part of the lower water outlet assembly 211 and the bracket 300 is sealed, water leakage is prevented, and meanwhile, the fastening assembly is realized.

In one embodiment of the present utility model, referring to fig. 4, in order to better limit the lower piston, an annular step 311 extending inwards is provided in the water passing hole 310, a receiving cavity is formed between the inner wall of the water passing hole 310 and the annular step 311, the lower water outlet assembly further comprises a lower piston 214, the lower piston 214 is slidably disposed in the receiving cavity up and down, the receiving cavity 214 provides an installation space for the lower piston, and meanwhile, the annular step 311 plays a role in limiting the lower piston 214, effectively limiting the left-right translation of the lower piston 214, so that the lower piston 214 can slide up and down in an inner hole of the annular step 311, and meanwhile, the annular step 311 can limit the position of the lower silicone tube 21, so as to prevent the lower silicone tube 213 from falling out of the water passing hole.

In order to realize water outlet of the electric thermos bottle, the peripheral wall of the water outlet 310 extends downwards to form a water outlet 360, the base 200 is provided with a water pump 250, and a water inlet pipe of the water pump 250 is sleeved on the water outlet 360. The water inlet pipe of the water pump 250 is sleeved on the water outlet 360 at the lower end of the bracket 300, and the water outlet of the electric hot water bottle is realized by utilizing the movement of the lower piston 214 driven by the water pump 250.

The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims (10)

1. The utility model provides an electric hot water bottle, including water tank and base, be equipped with the coupler on the water tank, go up the water subassembly, be equipped with down the coupler on the base, lower water subassembly, the middle part of coupler is equipped with the apopore down, lower water subassembly wears to establish in the apopore, when the water tank was placed on the base, go up the coupler and go up the coupling of coupler and lower coupler and go up the water subassembly and dock the play water passageway that forms can communicate with lower water subassembly down, the base includes bottom and lid and establishes the panel in the bottom upper end, be equipped with the through-hole on the panel, lower coupler inserts and establishes in the through-hole, its characterized in that: the lower extreme of panel is equipped with the support, is equipped with water hole, mounting hole on the support, and water hole is located the middle part of support and is located the below of through-hole, and lower water subassembly wears to establish in water hole, and the mounting hole is located between water hole and the through-hole, and the support is connected with lower coupler through wearing the fastener of establishing in the mounting hole, and the edge of lower coupler, the edge of support are pressed respectively and are supported at the upper and lower terminal surface of panel.

2. An electric hot water bottle as claimed in claim 1, wherein: the lower water outlet assembly is fixedly connected with the bracket or is supported on the bracket.

3. An electric hot water bottle as claimed in claim 1, wherein: the lower water outlet assembly comprises a lower water outlet pipe, and the lower end face of the lower water outlet pipe is welded on the upper end face of the bracket.

4. An electric hot water bottle according to claim 3, characterized in that: the lower water outlet assembly further comprises a lower silica gel pipe, the lower silica gel pipe is positioned in the lower water outlet pipe and the water outlet hole, and the lower silica gel pipe seals a welding part between the lower water outlet pipe and the support.

5. An electric hot water bottle according to any one of claims 1 to 4, characterized in that: the water passing hole is internally provided with an annular step extending inwards, a containing cavity is formed between the inner wall of the water passing hole and the annular step, the lower water outlet assembly further comprises a lower piston, and the lower piston can be arranged in the containing cavity in an up-and-down sliding mode.

6. An electric hot water bottle according to any one of claims 1 to 4, characterized in that: the peripheral wall of the water passing hole extends downwards to form a water outlet, a water pump is arranged on the base, and a water inlet pipe of the water pump is sleeved on the water outlet.

7. An electric hot water bottle according to any one of claims 1 to 4, characterized in that: the edge of the support is provided with a boss protruding out of the upper end face of the support, and the upper end face of the boss abuts against the lower end face of the panel.

8. An electric hot water bottle according to any one of claims 1 to 4, characterized in that: the support comprises a mounting ring positioned at the middle position and a plurality of mounting arms extending outwards from the outer side wall of the mounting ring, the water passing holes are formed in the mounting ring, and the mounting holes are formed in the mounting arms.

9. An electric hot water bottle as claimed in claim 8, wherein: a plurality of said mounting arms are equiangularly distributed along the circumference of the mounting ring.

10. An electric hot water bottle according to any one of claims 1 to 4, characterized in that: the lower end face of the lower coupler is provided with a mounting column, the position of the mounting column corresponds to the position of the mounting hole, and the fastener penetrates through the mounting hole to be connected to the mounting column.