CN219125996U - Electric water boiling bottle - Google Patents

Abstract

The utility model relates to the field of small household appliances, in particular to an electric water-boiling bottle. The umbrella comprises a water tank and a base, wherein an upper coupler is arranged on the water tank, a lower coupler is arranged on the base, an upper water core with an upper channel is arranged on the upper coupler, a lower water core with a lower channel is arranged on the lower coupler, when the water tank is placed on the base, the upper coupler and the lower coupler are coupled, the upper water core is in butt joint with the lower water core, the upper channel and the lower channel form a water channel which can be opened and closed, an umbrella film is arranged in the upper water core, the upper channel is provided with a step hole with a small upper part and a big lower part, the concave surface of the umbrella film faces upwards so that the umbrella film has upward elasticity, the umbrella film is enabled to prop against the step surface of the step hole to seal the upper channel, and when the downward force born by the umbrella film is larger than the upward elasticity of the umbrella film, the umbrella film is unfolded downwards to leave the step surface so as to open the upper channel. The utility model improves the design of the water-electricity coupling structure, realizes the on-off of the waterway by utilizing the elasticity of the umbrella membrane, reduces the cost, simplifies the structure and improves the assembly efficiency.

Description

Electric water boiling bottle

Technical Field

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

Background

The basic structure of a main-flow split electric thermos bottle on the market at present comprises a water tank and a base, the electric thermos bottle mainly has two forms in waterway and circuit design, one form is independent electric coupling, and the electric devices such as a water pump and a circuit board of the electric thermos bottle are still connected with the water tank, so that the defects of heavy lifting weight, easy cleaning and the like of consumers exist. Another is a water-electricity coupling type thermos flask, wherein the circuit board, the water pump and other electric devices are arranged in the base, and the water coupler and the electric coupler can be integrated together, so that the defect of the single electric coupling type thermos flask is overcome, for example, the Chinese authorized patent publication No. CN203709811U, which is named as an electric kettle with an automatic water feeding structure; chinese issued patent publication No. CN204071727U, entitled "novel automatic Water-feeding and Water-feeding Structure for electric kettle"; chinese issued patent publication No. CN204146860U, entitled "electric kettle with automatic Water feeding Structure and temperature controller combination"; chinese patent application publication No. CN108577529a, entitled "water connector, electric coupler, and electric kettle"; chinese patent application publication number CN112021931a, entitled "an appliance coupler pumping device"; chinese patent application publication number CN111904269a, entitled "an appliance coupler pumping device"; chinese patent application publication No. CN112075838A, entitled "a pumping device for appliance coupler and appliance coupler" discloses an integrated structure of a water coupler and an electric coupler.

However, the water-electricity coupling structure in the electric water boiling bottle has some problems, most of the water-electricity coupling structure relies on springs to control the on-off of waterways, the cost of the springs is high, the structure is complex, and the assembly efficiency is low.

Disclosure of Invention

Aiming at the defects that the water circuit is controlled to be on or off by a spring in the existing electric water boiling bottle, the spring has higher cost, complex structure and low assembly efficiency, the utility model aims to provide the electric water boiling bottle which is designed by improving the water-electricity coupling structure, realizes the water circuit on or off by utilizing the elasticity of an umbrella film, reduces the cost, simplifies the structure and improves the assembly efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric water bottle, includes water tank and base, is equipped with the coupler on the water tank, is equipped with down the coupler on the base, is equipped with the last water core that has the passageway on the coupler, is equipped with the lower water core that has the passageway down on the coupler down, when the water tank was placed on the base, goes up coupler and lower coupler coupling, goes up water core and the butt joint of lower water core and go up passageway and lower passageway and form the water route passageway that can break-make, be equipped with the umbrella membrane in the water core, upward the passageway has big-end-up's step hole, the concave surface of umbrella membrane upwards so that the umbrella membrane has ascending elasticity, the ascending elasticity of umbrella membrane makes the umbrella membrane support on the step face in order to seal the passageway on the step hole, and when the umbrella membrane received downward force is greater than the ascending elasticity of umbrella membrane, the umbrella membrane is opened and is left the step face downwards to open the passageway.

In this embodiment, when the water tank is placed alone, the ascending elasticity of umbrella membrane makes the periphery of umbrella membrane paste on the step face of step hole to seal the passageway, the ascending elasticity of umbrella membrane needs to be greater than the biggest water pressure in order to prevent that water in the water tank from leaking downwards through last water core, when the water tank is placed on the base, the umbrella membrane atress condition is unchangeable this moment, can not open the passageway because of last coupler and lower coupler coupling, when the water pump begins to draw water, as long as the sum of the water pressure that the umbrella membrane received and water pump suction force is greater than the ascending elasticity of umbrella membrane, thereby the umbrella membrane just can be downwards expanded when the water pump draws water and leave the step face and open the passageway, thereby the passageway communicates with the lower passageway and forms the waterway from the water tank to the water pump this moment, and when the water pump stops, the suction force disappears, the umbrella membrane resets under self elasticity effect and seals water with the step face contact again. According to the technical scheme, the on-off of the waterway can be controlled only through the elastic deformation of the umbrella membrane, a spring is not needed, the structure is simple, the assembly efficiency is high, the cost is reduced, in addition, the water feeding core is in an open state only when the water pump pumps water, and is in a closed state at other moments, so that the water leakage of the water tank can be effectively prevented, and the electricity safety is ensured.

The utility model is further arranged to: the longitudinal section of the umbrella membrane is arc-shaped, and the thickness of the umbrella membrane is gradually reduced from the center to the periphery. Through this setting, thereby thick in the middle of the umbrella membrane makes the umbrella membrane have sufficient intensity in the middle of, prevents that the umbrella membrane from receiving the water impact and damaging, thereby the periphery of umbrella membrane is thin makes the umbrella membrane have good deformability to can hug closely fast or leave the step face, improve the sensitivity of water route break-make.

The utility model is further arranged to: the upper channel is internally provided with a fixed column with a fixed hole, the outer side wall of the fixed column is connected with the inner side wall of the upper water core through a connecting rib, the umbrella membrane is provided with an upward extending mounting column, and the mounting column is inserted into the fixed hole. Through this setting, the fixed column is used for installing the umbrella membrane, and the terminal surface of fixed orifices is blocked to the one end after the fixed orifices is inserted from bottom to top to the erection column, prevents that the umbrella membrane from receiving rivers to strike and breaking away from the fixed column, has the clearance between fixed column and the water core simultaneously and does not influence the passage of rivers.

The utility model is further arranged to: and a limiting boss is arranged in the upper channel, a gap is reserved between the limiting boss and the upper water core, and the limiting boss abuts against the lower end of the umbrella membrane. Through this setting, spacing boss has spacing effect, prevents that the umbrella membrane from droing and then influencing the water sealing effect downwards, and spacing boss supports at the middle part of umbrella membrane simultaneously for the deformation of umbrella membrane more concentrate and takes place in the periphery, more easily realizes the break-make of water route with step face cooperation.

The utility model is further arranged to: the diameter of the part of the upper channel below the step hole is smaller than the diameter of the big head end of the step hole. Through this setting, in order to provide the space for the deformation of umbrella membrane, must have the big-end-up's step hole, in order to step hole cause the size of going up the water core too big, the partial diameter that the upper channel is located below the step hole needs to be made little to reduce the cooperation size of going up the water core and going down the water core, reduce whole volume, control cost.

The utility model is further arranged to: the water tank is characterized by further comprising a protruding part protruding upwards from the bottom wall of the water tank, wherein the protruding part is provided with a water inlet hole so that the water tank is communicated with the water feeding core through the water inlet hole, and the protruding part is an integrated structure formed on the bottom wall of the water tank or a split structure connected with the bottom wall of the water tank or an integrated structure formed on the water feeding core or a split structure connected with the water feeding core. Through this setting, the bellying is used for intercommunication water tank and lower water core, and the bellying is higher than the water tank diapire, can reserve a portion of water in the water tank, prevents to appear dry combustion method, and the bellying can be the structure on the water tank diapire and go up the water core and assemble, also can be the structure on the water core and assemble with the water tank diapire, and the specific design depends on the demand.

The utility model is further arranged to: when the bellying is the structure on the water tank diapire, the lower extreme of bellying forms the cavity, and the upper end of going up the water core has the fixed block, and the fixed block is installed in the cavity, and the tip setting of step hole is on the fixed block, and the big head end setting of step hole is on the water core, and the lower terminal surface of fixed block forms the step face of step hole. Through this setting, the fixed block is installed in the cavity at the bellying back, and both form location cooperation, and step hole part forms on the fixed block simultaneously, and part forms on last water core, and the space of make full use of fixed block and last water core, umbrella membrane are comparatively near the bellying simultaneously, the break-make of easier control water route.

The utility model is further arranged to: the upper water core is provided with an outwards extending flanging, the upper coupler is provided with a pressing edge, and when the upper coupler is connected with the water tank, the flanging is pressed between the pressing edge and the bottom wall of the water tank, and the flanging is positioned around the concave cavity. Through this setting, in order to satisfy the replaceability of going up the water core, during the assembly, only need insert the trompil of going up the coupler with going up the water core, the turn-ups of going up the water core are hugged closely with the blank holder of last coupler, rely on the tensioning force between last coupler and the water tank diapire again, compress tightly the water core on the water tank diapire, the turn-ups has limiting displacement simultaneously, prevents that the fixed block from upwards excessively getting into in the cavity in order to block up the inlet opening.

The utility model is further arranged to: the water feeding core and the fixed block are of a split structure and are in sealing connection. Through this setting, go up water core and fixed block and be split structure at first, be convenient for to wherein installation umbrella membrane, then both pass through modes such as ultrasonic welding, threaded connection again and realize sealing waterproof.

The utility model is further arranged to: the periphery wall of the fixed block is provided with a groove, an upper sealing ring is arranged in the groove, and the fixed block forms side face sealing with the inner side wall of the protruding part through the upper sealing ring. Through this setting, after the fixed block stretches into the cavity, last sealing washer and bellying inside wall interference fit form the side seal this moment, and the side seal can reach better sealing effect, and can not receive the vertical direction size of upper coupler and water tank diapire and the variation of clamp force size and influence sealing effect.

The utility model has the advantages that: when the water tank is placed independently, the upward elasticity of the umbrella membrane enables the periphery of the umbrella membrane to lean against the step surface of the step hole, so that the upper channel is closed, the upward elasticity of the umbrella membrane is required to be larger than the maximum water pressure to prevent water in the water tank from leaking downwards through the upper water core, when the water tank is placed on the base, the stress condition of the umbrella membrane is unchanged, the upper channel is not opened because the upper coupler and the lower coupler are coupled, when the water pump starts pumping water, the umbrella membrane can be unfolded downwards to leave the step surface to open the upper channel as long as the sum of the water pressure born by the umbrella membrane and the water pump suction force is larger than the upward elasticity of the umbrella membrane, the upper channel is communicated with the lower channel to form a waterway channel from the water tank to the water pump, and when the water pump stops, the suction force disappears, and the umbrella membrane resets under the action of the self elasticity to be in contact with the step surface for sealing water. The water supply core is in an open state only when the water pump pumps water, and is in a closed state at other moments, so that water leakage of the water tank can be effectively prevented, and the electricity safety is ensured.

Drawings

FIG. 1 is a schematic view of an electric vacuum flask when a water tank is separated from a base in an embodiment of the utility model;

FIG. 2 is a schematic view of an electric vacuum flask when a water tank is placed on a base according to an embodiment of the present utility model;

FIG. 3 is a state diagram of the umbrella membrane when the water pump is not pumping water in one embodiment of the utility model;

FIG. 4 is a view showing the state of the umbrella membrane when the water pump pumps water in one embodiment of the utility model;

FIG. 5 is a schematic diagram of a heat-generating plate according to an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a heat-generating disk in one embodiment of the present utility model;

FIG. 7 is a schematic view showing the structure of the upper water core split assembled on the upper coupler according to one embodiment of the present utility model;

FIG. 8 is a schematic view of a structure in which a drain core is integrally formed on a lower coupler according to an embodiment of the present utility model;

FIG. 9 is a schematic view showing the structure of a fixing block according to an embodiment of the present utility model;

FIG. 10 is a schematic view of an umbrella membrane according to one embodiment of the present utility model;

FIG. 11 is a schematic view showing a structure in which a fixing block is welded to a water core according to an embodiment of the present utility model;

FIG. 12 is a schematic view of the structure of a water core in an embodiment of the present utility model;

FIG. 13 is a schematic view of an upper water core integrally formed with an upper coupler according to an embodiment of the present utility model;

FIG. 14 is a schematic view showing a structure in which a lower water core is separately assembled to a lower coupler according to an embodiment of the present utility model;

FIG. 15 is a split view of a lower coupler in one embodiment of the utility model;

FIG. 16 is a seal configuration diagram of a boss and a heat-generating plate in one embodiment of the present utility model;

fig. 17 is a schematic structural diagram of an upper coupler in an embodiment of the present utility model.

Reference numerals: the water tank 100, the liner 101, the heating plate 102, the upper coupler 103, the upper channel 104, the upper water core 105, the umbrella membrane 106, the step hole 107, the fixed column 108, the fixed hole 109, the connecting rib 110, the mounting column 111, the limit boss 112, the fixed block 113, the ultrasonic rib 114, the welding boss 115, the upper sealing ring 116, the upper through hole 117, the flanging 118, the pressing edge 119, the base 200, the lower coupler 201, the water pump 202, the lower channel 203, the lower water core 204, the lower sealing ring 205, the lower through hole 206, the elastic buckle 207, the boss 300, the concave cavity 301, the water inlet 302 and the sealing ring 303.

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 12, an electric water boiling bottle in an embodiment of the present utility model includes a water tank 100 and a base 200, the water tank 100 has a water-containing liner 101, a heating plate 102 is welded to the bottom of the liner 101, and the heating plate 102 closes the bottom of the liner 101 as the bottom wall of the water tank 100. Other electric water bottle inner containers 101 can also be through self diapire as the water tank 100 diapire, be equipped with on the water tank 100 and go up coupler 103, go up coupler 103 and hug closely the dish 102 that generates heat, be equipped with down coupler 201 on the base 200, be equipped with water pump 202 in the base 200, upward be equipped with on the coupler 103 and have the upper water core 105 of upper channel 104, be equipped with down water core 204 that has down passageway 203 on the coupler 201 down, when water tank 100 is placed on the base 200, upward coupler 103 and lower coupler 201 coupling, upper water core 105 and lower water core 204 butt joint and upper channel 104 and lower passageway 203 form the water route passageway that can break-make, water pump 202 communicates with lower water core 204 through the water pipe. The upper coupler 103 and the lower coupler 201 are cylindrical in shape, and can rotate relative to each other after being coupled, so that the water tank 100 is placed on the base 200 without a circumferential limiting position, and a user can take and put the water tank conveniently.

In this embodiment, as shown in fig. 3, 4 and 9, an umbrella membrane 106 is disposed in the upper water core 105, the upper channel 104 has a stepped hole 107 with a smaller upper part and a larger lower part, the concave surface of the umbrella membrane 106 faces upward to make the umbrella membrane 106 have an upward elastic force, the upward elastic force of the umbrella membrane 106 makes the umbrella membrane 106 abut against the stepped surface of the stepped hole 107 to close the upper channel 104, and when the downward force applied to the umbrella membrane 106 is greater than the upward elastic force of the umbrella membrane 106, the umbrella membrane 106 is unfolded downward away from the stepped surface to open the upper channel 104. When the water tank 100 is placed alone, the upward elastic force of the umbrella film 106 enables the periphery of the umbrella film 106 to be abutted against the step surface of the step hole 107, so that the upper channel 104 is closed, the upward elastic force of the umbrella film 106 needs to be larger than the maximum water pressure to prevent water in the water tank 100 from leaking downwards through the upper water core 105, when the water tank 100 is placed on the base 200, the stress condition of the umbrella film 106 is unchanged, the upper channel 104 cannot be opened because the upper coupler 103 and the lower coupler 201 are coupled, when the water pump 202 starts pumping water, as long as the sum of the water pressure received by the umbrella film 106 and the suction force of the water pump 202 is larger than the upward elastic force of the umbrella film 106, the umbrella film 106 can be unfolded downwards from the step surface when the water pump 202 pumps water, so that the upper channel 104 is opened, at the moment, the upper channel 104 is communicated with the lower channel 203 to form a waterway channel from the water tank 100 to the water pump 202, and when the water pump 202 stops, the suction force disappears, and the umbrella film 106 is reset to be contacted with the step surface under the action of the self elastic force to seal water. The water way can be controlled to be on-off only through the elastic deformation of the umbrella membrane 106, a spring is not needed, the structure is simple, the assembly efficiency is high, the cost is reduced, in addition, the water feeding core 105 is in an open state only when the water pump 202 pumps water, and is in a closed state at other moments, so that the water leakage of the water tank 100 can be effectively prevented, and the electricity safety is ensured.

Referring to fig. 3 and 4, in the present embodiment, a lower sealing ring 205 is disposed on the outer side wall of the upper portion of the lower water core 204, the lower water core 204 is inserted into the upper water core 105, and the outer side wall of the lower water core 204 and the inner side wall of the upper water core 105 form a side seal through the lower sealing ring 205. When the water tank 100 is matched with the base 200, the upper coupler 103 and the lower coupler 201 are coupled, the lower water core 204 is inserted into the upper water core 105, the lower sealing ring 205 on the side surface of the lower water core 204 is in interference fit with the inner side wall of the upper water core 105 to form side sealing, the side sealing can achieve a good water sealing effect, the upper and lower matching tolerance of the water tank 100 and the base 200 can not influence the water sealing effect, in order to fix the lower sealing ring 205, grooves can be formed in the outer side wall of the lower water core 204, the number of the grooves is consistent with that of the lower sealing ring 205, and the lower sealing ring 205 is installed in the corresponding grooves. The upper end surface of the lower water core 204 is not higher than the upper end surface of the lower coupler 201 so that the lower water core 204 is not exposed to the lower coupler 201, collision damage caused by the outcrop of the lower water core 204 when the water tank 100 is placed on the base 200 is prevented, and a good appearance effect is ensured.

In order to provide space for the deformation of the umbrella membrane 106, a step hole 107 with a small upper part and a large lower part is needed, and in order to cause the oversized upper water core 105 by the step hole 107, the diameter of the part of the upper channel 104 below the step hole 107 is needed to be small, namely, the diameter of the part of the upper channel 104 below the step hole 107 is smaller than the diameter of the big end of the step hole 107, so that the matching size of the upper water core 105 and the lower water core 204 is reduced, the whole volume is reduced, and the cost is controlled.

The longitudinal section of the umbrella membrane 106 is arc-shaped, the thickness of the umbrella membrane 106 gradually decreases from the center to the periphery, the middle of the umbrella membrane 106 is thick, so that the middle of the umbrella membrane 106 has enough strength, the umbrella membrane 106 is prevented from being damaged by water impact, the periphery of the umbrella membrane 106 is thin, the umbrella membrane 106 has good deformability, and accordingly the umbrella membrane 106 can be quickly clung to or separated from a step surface, and the sensitivity of water path on-off is improved.

Referring to fig. 9 and 10, in order to facilitate the installation of the umbrella membrane 106, a fixing column 108 is provided in the upper channel 104, a fixing hole 109 is provided in the middle of the fixing column 108, the outer side wall of the fixing column 108 is connected with the inner side wall of the water feeding core 105 through a connecting rib 110, an upward extending mounting column 111 is provided on the umbrella membrane 106, the fixing column 108 is used for installing the umbrella membrane 106, the mounting column 111 is inserted from bottom to top behind the fixing hole 109, the end part of the mounting column 111 is clamped at the end face of the fixing hole 109, the umbrella membrane 106 is prevented from being impacted by water flow to be separated from the fixing column 108 downwards, and meanwhile, gaps are provided between the connecting ribs 110, so that the water flow is not affected.

Referring to fig. 11 and 12, in order to further stabilize the position of the umbrella membrane 106, a limiting boss 112 is provided in the upper channel 104, a gap is provided between the limiting boss 112 and the upper water core 105 for water to pass through, the limiting boss 112 abuts against the lower end of the umbrella membrane 106, the limiting boss 112 has a limiting function, the umbrella membrane 106 is prevented from falling down to further influence the water sealing effect, and meanwhile, the limiting boss 112 abuts against the middle part of the umbrella membrane 106, so that the deformation of the umbrella membrane 106 occurs more intensively at the periphery, and the water channel on-off is realized by matching with the step surface more easily.

Referring to fig. 5 and 6, the electric vacuum flask further comprises a protruding portion 300 protruding upwards from the heating plate 102, a water inlet hole 302 is formed in the protruding portion 300 so that the water tank 100 is communicated with the water feeding core 105 through the water inlet hole 302, the protruding portion 300 is used for communicating the water tank 100 and the water discharging core 204, the protruding portion 300 is higher than the heating plate 102, a part of water can be reserved in the water tank 100, and dry burning is prevented.

Referring to fig. 6 and 9, fig. 11, the lower end of the boss 300 forms a cavity 301, the upper end of the upper water core 105 is provided with a fixing block 113, the fixing block 113 is installed in the cavity 301, the small end of the step hole 107 is arranged on the fixing block 113, the large end of the step hole 107 is arranged on the upper water core 105, the lower end surface of the fixing block 113 forms a step surface of the step hole 107, the fixing block 113 is installed in the cavity 301 on the back of the boss 300, the two parts form positioning fit, meanwhile, the step hole 107 is partially formed on the fixing block 113, the part is formed on the upper water core 105, the space between the fixing block 113 and the upper water core 105 is fully utilized, and meanwhile, the umbrella membrane 106 is closer to the boss 300, and the on-off of a waterway is easier to control. In order to facilitate the installation of the umbrella membrane 106 in the upper water core 105, the upper water core 105 and the fixed block 113 are of a split structure, sealing and waterproofing are realized through ultrasonic welding, threaded connection and other modes after the installation of the umbrella membrane 106, ultrasonic welding is selected for improving the assembly efficiency, the ultrasonic ribs 114 are arranged below the fixed block 113, and the welding boss 115 on the upper water core 105 is used for welding and sealing water.

The protruding part 300 may be a structure on the heating plate 102 and the upper water core 105 assembled, or a structure on the upper water core 105 and the heating plate 102 assembled, and the specific design depends on the requirement.

The protruding portion 300 can be integrally formed with the heating plate 102 in a stretching mode, and can also be formed by subsequent welding, and considering that the manufacturing difficulty of the protruding portion 300 and the water inlet hole 302 is relatively high during stretching and forming, referring to fig. 6, a laser welding mode is selected to connect the protruding portion 300 and the heating plate 102 together, so that a water sealing effect can be achieved, and the protruding portion 300 extends downwards to have side edges for subsequent sealing. Referring to fig. 3, 4 and 11, in order to ensure the sealing effect of the boss 300, at this time, the boss 300 and the heating plate 102 are guaranteed to be sealed, in order to enable the fixing block 113 and the boss 300 to be sealed, a groove is formed in the peripheral wall of the fixing block 113, an upper sealing ring 116 is arranged in the groove, the upper sealing ring 116 can be arranged singly or a plurality of upper and lower sealing rings can be arranged, after the fixing block 113 stretches into the concave cavity 301, at this time, the upper sealing ring 116 is in interference fit with the inner side wall of the boss 300, the fixing block 113 forms a side seal with the inner side wall of the boss 300 through the upper sealing ring 116, the side seal can achieve a better water sealing effect, and the water sealing effect is not influenced by the change of the vertical dimension and the pressing force of the upper coupler 103 and the heating plate 102, so that water in the water tank 100 enters the fixing block 113 through the boss 300 and cannot leak from a gap between the boss 300 and the fixing block 113.

As shown in the drawing, when the boss 300 is formed in an integral or separate structure on the upper wick 105, the heating plate 102 is perforated, the boss 300 is inserted into the perforated, and the boss 300 forms a sealing engagement with the heating plate 102 by the sealing ring 303, preventing water in the water tank 100 from leaking from a gap between the boss 300 and the perforated.

Referring to fig. 7, the upper water core 105 may be a separate structure mounted on the upper coupler 103. Specifically, an upper through hole 117 is formed in the upper coupler 103, the upper water core 105 is inserted into the upper through hole 117, the upper water core 105 is provided with an outwardly extending flange 118, the flange 118 can be shared with the welding boss 115 in front, a pressing edge 119 is formed on the upper coupler 103, and when the upper coupler 103 is connected with the water tank 100, the flange 118 is pressed between the pressing edge 119 and the heating plate 102. In order to meet the replaceability of the upper water core 105, during assembly, the upper water core 105 is only required to be inserted into the upper through hole 117 of the upper coupler 103, the flanging 118 of the upper water core 105 is tightly attached to the pressing edge 119 of the upper coupler 103, and the upper water core 105 is tightly pressed on the heating plate 102 by means of the tension between the upper coupler 103 and the heating plate 102.

Referring to fig. 13, in other embodiments, the upper water core 105 may be an integral structure formed on the upper coupler 103.

Referring to fig. 8, the drain core 204 is an integral structure formed on the lower coupler 201.

Referring to fig. 14, in other embodiments, the drain core 204 is a split structure mounted on the lower coupler 201. Specifically, the lower coupler 201 is provided with a lower through hole 206, the lower water core 204 is elastically connected in the lower through hole 206 by an elastic buckle 207, and the lower water core 204 has a degree of freedom in the lower through hole 206 that can be displaced downward. The lower water core 204 is inserted into the lower through hole 206, the lower water core 204 is buckled through the elastic buckle 207, the lower water core 204 is elastically connected with the lower coupler 201 by means of the elastic force of the elastic buckle 207, when the water tank 100 is installed on the base 200, the upper water core 105 can push the lower water core 204 to move downwards, the upper water core 105 and the lower water core 204 can still be subjected to side sealing through the lower sealing ring 205, the plugging mode has a buffering effect, the pressure loss caused by hard contact between the upper water core 105 and the lower water core 204 is prevented, and in addition, after the water tank 100 is taken off the base 200, the lower water core 204 can return to the original position under the action of the spring force of the elastic buckle 207.

On the basis of the above, the matching modes of the upper water core 105, the upper coupler 103, the lower water core 204 and the lower coupler 201 can be combined.

As shown in fig. 13 and 8, the upper water core 105 is an integral structure formed on the upper coupler 103, and the lower water core 204 is an integral structure formed on the lower coupler 201. When the upper coupler 103 is mounted on the water tank 100, the upper water core 105 and the upper coupler 103 are integrally formed, the position of the upper water core 105 is fixed, and when the lower coupler 201 is mounted on the base 200, the position of the lower water core 204 is fixed due to the fact that the lower water core 204 and the lower coupler 201 are integrally formed, so that the assembly steps are simplified, and meanwhile, the upper water core 105 and the lower water core 204 can be accurately abutted, and the upper water core and the lower water core are sealed.

As shown in fig. 7 and 8, the upper water core 105 is a split structure mounted on the upper coupler 103, and the lower water core 204 is an integral structure molded on the lower coupler 201. The upper water core 105 and the upper coupler 103 are assembled together, the upper water core 105 is positioned by a positioning structure when the upper coupler 103 is installed on the water tank 100, the position stability of the upper water core 105 and the working stability of the umbrella membrane 106 are ensured, and when the lower coupler 201 is installed on the base 200, the position of the lower water core 204 is fixed along with the lower water core 204 due to the integral forming of the lower water core 204 and the lower coupler 201, so that the upper water core 105 and the lower water core 204 can be accurately abutted, and the upper water core and the lower water core are sealed.

As shown in fig. 13 and 14, the upper water core 105 is an integral structure formed on the upper coupler 103, and the lower water core 204 is a separate structure mounted on the lower coupler 201. When the upper coupler 103 is mounted on the water tank 100, the upper water core 105 and the upper coupler 103 are integrally formed, so that the position of the upper water core 105 is fixed, and the lower water core 204 and the lower coupler 201 are assembled together, so that the upper water core 105 and the lower water core 204 can be accurately abutted, and the upper water core and the lower water core are sealed.

As shown in fig. 7 and 14, the upper water core 105 is a split structure mounted on the upper coupler 103, and the lower water core 204 is a split structure mounted on the lower coupler 201. The upper water core 105 and the upper coupler 103 are assembled together, the upper water core 105 is positioned through a positioning structure when the upper coupler 103 is installed on the water tank 100, the position stability of the upper water core 105 and the working stability of the umbrella membrane 106 are guaranteed, the lower water core 204 and the lower coupler 201 are assembled together, the upper water core 105 and the lower water core 204 can be accurately abutted, and the upper water core 105 and the lower water core 204 are sealed.

When water tank 100 is separated from base 200, to ensure electrical safety, it is necessary to separate upper coupler 103 and lower coupler 201 from each other first, and then separate upper water core 105 and lower water core 204 from each other. Generally, the electrical coupling distance a between the upper coupler 103 and the lower coupler 201 is less than 4mm, so the effective water sealing coupling distance b > a between the upper water core 105 and the lower water core 204 is b=7mm, considering assembly tolerance, inclined handling and the like.

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 electricity water bottle, includes water tank and base, is equipped with the coupler on the water tank, is equipped with down the coupler on the base, is equipped with the last water core that has the passageway on the coupler, is equipped with the lower water core that has the passageway down on the coupler down, and when the water tank was placed on the base, last coupler and lower coupler coupling, go up water core and the butt joint of lower water core and go up passageway and lower passageway formation can break-make waterway, its characterized in that: the upper water core is internally provided with an umbrella membrane, the upper channel is provided with a step hole with a small upper part and a big lower part, the concave surface of the umbrella membrane faces upwards to enable the umbrella membrane to have upward elasticity, the upward elasticity of the umbrella membrane enables the umbrella membrane to prop against the step surface of the step hole to close the upper channel, and when the downward force applied to the umbrella membrane is larger than the upward elasticity of the umbrella membrane, the umbrella membrane is unfolded downwards to leave the step surface to open the upper channel.

2. An electric water bottle as claimed in claim 1, wherein: the longitudinal section of the umbrella membrane is arc-shaped, and the thickness of the umbrella membrane is gradually reduced from the center to the periphery.

3. An electric water bottle as claimed in claim 1, wherein: the upper channel is internally provided with a fixed column with a fixed hole, the outer side wall of the fixed column is connected with the inner side wall of the upper water core through a connecting rib, the umbrella membrane is provided with an upward extending mounting column, and the mounting column is inserted into the fixed hole.

4. An electric water bottle as claimed in claim 1, wherein: and a limiting boss is arranged in the upper channel, a gap is reserved between the limiting boss and the upper water core, and the limiting boss abuts against the lower end of the umbrella membrane.

5. An electric water bottle as claimed in claim 1, wherein: the diameter of the part of the upper channel below the step hole is smaller than the diameter of the big head end of the step hole.

6. An electric thermos bottle according to any one of claims 1 to 5, wherein: the water tank is characterized by further comprising a protruding part protruding upwards from the bottom wall of the water tank, wherein the protruding part is provided with a water inlet hole so that the water tank is communicated with the water feeding core through the water inlet hole, and the protruding part is an integrated structure formed on the bottom wall of the water tank or a split structure connected with the bottom wall of the water tank or an integrated structure formed on the water feeding core or a split structure connected with the water feeding core.

7. An electric water bottle as claimed in claim 6, wherein: when the bellying is the structure on the water tank diapire, the lower extreme of bellying forms the cavity, and the upper end of going up the water core has the fixed block, and the fixed block is installed in the cavity, and the tip setting of step hole is on the fixed block, and the big head end setting of step hole is on the water core, and the lower terminal surface of fixed block forms the step face of step hole.

8. An electric water bottle as claimed in claim 7, wherein: the upper water core is provided with an outwards extending flanging, the upper coupler is provided with a pressing edge, and when the upper coupler is connected with the water tank, the flanging is pressed between the pressing edge and the bottom wall of the water tank, and the flanging is positioned around the concave cavity.

9. An electric water bottle as claimed in claim 7 or 8, wherein: the water feeding core and the fixed block are of a split structure and are in sealing connection.

10. An electric water bottle as claimed in claim 7 or 8, wherein: the periphery wall of the fixed block is provided with a groove, an upper sealing ring is arranged in the groove, and the fixed block forms side face sealing with the inner side wall of the protruding part through the upper sealing ring.

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