CN109744868B - Liquid heater - Google Patents
Liquid heater Download PDFInfo
- Publication number
- CN109744868B CN109744868B CN201711096213.9A CN201711096213A CN109744868B CN 109744868 B CN109744868 B CN 109744868B CN 201711096213 A CN201711096213 A CN 201711096213A CN 109744868 B CN109744868 B CN 109744868B
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- kettle body
- heat conducting
- conducting plate
- hoop
- liquid heater
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- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 25
- 238000005485 electric heating Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims 1
- 238000002788 crimping Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Cookers (AREA)
Abstract
The invention discloses a liquid heater, which comprises a kettle body, a bottom shell, an electric heating device, a heat conducting plate and a hoop, wherein the kettle body is made of glass materials, the bottom shell is covered with the bottom of the kettle body, a bottom cavity is formed by surrounding the bottom shell together, the heat conducting plate is arranged in the bottom cavity and is mounted to the bottom of the kettle body so as to thermally contact with the bottom of the kettle body, a heat conducting medium is arranged between the heat conducting plate and the bottom of the kettle body, the electric heating device is arranged in the bottom cavity and is thermally connected to the bottom of the kettle body through the heat conducting plate, and the hoop is sheathed on the bottom of the kettle body and extends at least partially to cover the outer periphery of the heat conducting plate so as to fix the heat conducting plate to the bottom of the kettle body in a pressing mode. In the liquid heater provided by the invention, the heat conducting plate is fixed with the bottom of the kettle body in a mode of crimping the hoop, so that the heat conducting plate is more firmly fixed and can be in effective thermal contact with the kettle body.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a liquid heater.
Background
Liquid heaters are widely used in homes, such as electric kettles, for heating and storing water. In general, the bottom wall of the kettle body of the liquid heater is made of stainless steel, the side wall is made of plastic or stainless steel, the plastic is easy to produce harmful substances at high temperature for a long time, and the stainless steel has the danger of heavy metal ions being separated out. Along with the health demands of people, glass kettles (such as health preserving kettles) are on the market at present, but the glass kettles are made of glass only on the side walls, and the bottom walls are made of metal, so that the problem of heavy metal ion precipitation cannot be completely solved. If the kettle body is made of all glass, the heat transfer speed along the glass is slower due to the characteristic of small heat conductivity coefficient of the glass, if the electric heating tube is directly used for heating the glass kettle body, the problem that the glass kettle body is heated unevenly can exist, local high temperature is generated, and the problem that the kettle body bursts easily is caused, so the metal heat conducting plate is generally used for transferring heat to the kettle body, but the fixation of the heat conducting plate and the glass kettle body is an industry difficult problem due to the characteristic of the glass.
Disclosure of Invention
The invention mainly aims to provide a liquid heater, which aims to solve the problem of fixing a heat-conducting plate and a kettle body.
To achieve the above object, the present invention provides a liquid heater comprising:
a kettle body made of all-glass materials;
the bottom shell is covered with the bottom of the kettle body and forms a bottom cavity together in a surrounding manner;
the heat conducting plate is arranged in the bottom cavity and is mounted at the bottom of the kettle body so as to be in thermal contact with the bottom of the kettle body, and a heat conducting medium is arranged between the heat conducting plate and the bottom of the kettle body;
the electric heating device is arranged in the bottom cavity and is thermally connected to the bottom of the kettle body through the heat conducting plate; the method comprises the steps of,
the hoop is sleeved at the bottom of the kettle body and at least partially extends to cover the outer periphery of the heat conducting plate so as to press and fix the heat conducting plate to the bottom of the kettle body.
Preferably, the heat conducting plate is a heat conducting disc, and the upper end of the heat conducting disc extends to the bottom sleeved on the side wall of the kettle body;
the hoop is sleeved on the periphery of the side part of the heat conducting disc so as to press the side part of the heat conducting disc to the bottom of the side wall of the kettle body.
Preferably, a buffer gasket is arranged between the hoop and the kettle body.
Preferably, the bottom part of the side wall of the kettle body is concavely arranged compared with other parts so as to form a concave section on the side wall of the kettle body;
the upper end of the hoop is contracted inwards to form an inner buckling section which is buckled with the inner concave section.
Preferably, from bottom to top, the concave sections are gradually and inwards contracted, the inclination angle of the concave sections is alpha, and alpha is more than or equal to 75 degrees and less than or equal to 90 degrees.
Preferably, the hoop is semi-annular with a notch, two ends of the hoop are provided with tightening structures, and the tightening structures are used for adjusting the size of the notch of the hoop.
Preferably, the fastening structure comprises:
the fixing pieces are respectively arranged at two ends of the hoop notch and extend outwards along the radial direction to form the hoop notch; the method comprises the steps of,
the adjusting piece is connected with the fixing pieces, so that the size of the hoop gap can be adjusted by adjusting the distance between the fixing pieces.
Preferably, the adjusting member is a screw and/or a spring.
Preferably, the lower end of the inner side wall of the hoop is provided with an annular inner folded edge which is formed by extending along the circumferential direction;
the annular inner folded edge is positioned below the heat conducting plate and is abutted against the heat conducting plate so as to press the heat conducting plate to the bottom wall of the kettle body.
Preferably, the annular inner flange is provided with a mounting hole, the mounting hole is provided with an adjusting screw connector, and the adjusting screw connector passes through the mounting hole and is abutted against the heat conducting plate so as to press-connect the heat conducting plate to the bottom wall of the kettle body.
Preferably, the upper edge of the mounting hole extends upwards to form an annular matching cylinder;
and an internal thread matched with the adjusting screw connector is arranged in the annular matching cylinder.
Preferably, the hoop and the annular inner hem are integrally formed; or,
the hoop and the annular inner folded edge are in welded connection; or,
the annular inner folded edge is connected with the hoop through a screw connector.
Preferably, the kettle body comprises a connecting section connected between the bottom wall and the side wall of the kettle body;
the lower end of the ferrule extends to the lower edge of the connection section such that the ferrule wraps around the connection section.
According to the technical scheme provided by the invention, the heat conducting plate is fixed at the bottom of the kettle body through the hoop, so that the heat conducting plate is in effective thermal contact with the bottom of the kettle body, and the electric heating device is thermally connected to the bottom of the kettle body, so that the heat conducting plate and the kettle body are firmly fixed through a simple hoop crimping and fixing mode, and the effective thermal contact area is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a liquid heater according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of another cross-sectional structure of the liquid heater of FIG. 1;
FIG. 4 is an enlarged partial schematic view at B in FIG. 3;
FIG. 5 is a schematic perspective view of the band of FIG. 1;
FIG. 6 is a schematic top view of FIG. 5;
fig. 7 is a schematic diagram of the front view of fig. 5.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the case where a directional instruction is involved in the embodiment of the present invention, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a liquid heater, which can be a coffee pot, a health preserving pot or an electric kettle, and the like, and is described by taking the electric kettle as an example, and fig. 1 to 7 are schematic views of an embodiment of the liquid heater provided by the invention.
Referring to fig. 1 and 2, in the present embodiment, the liquid heater 100 includes a kettle body 1 made of all glass, a bottom shell 2, an electric heating device 3, a heat conducting plate 4 and a hoop 5, wherein the bottom shell 2 is covered with the bottom of the kettle body 1 to form a bottom cavity, the heat conducting plate 4 is disposed in the bottom cavity and mounted to the bottom of the kettle body 1 to thermally contact with the bottom of the kettle body 1, a heat conducting medium 7 is disposed between the heat conducting plate 4 and the bottom of the kettle body 1, the electric heating device 3 is disposed in the bottom cavity and thermally connected to the bottom of the kettle body 1 through the heat conducting plate 4, and the hoop 5 is sleeved on the bottom of the kettle body 1 and extends at least partially to cover the outer periphery of the heat conducting plate 4 to press-fix the heat conducting plate 4 to the bottom of the kettle body 1. The bottom wall and the side wall of the kettle body 1 made of all glass are made of glass, and the whole kettle body 1 is preferably integrally formed, and the all-glass kettle body 1 in the embodiment is integrally formed in a blowing and drawing mode.
According to the technical scheme provided by the invention, the heat conducting plate 4 is fixedly connected to the bottom of the kettle body 1 in a crimping manner through the hoop 5, so that the heat conducting plate 4 is in effective thermal contact with the bottom of the kettle body 1, and the electric heating device 3 is connected to the bottom of the kettle body 1 in a thermally conductive manner, so that the heat conducting plate 4 and the kettle body 1 are firmly fixed in a simple crimping and fixing manner through the hoop 5, and the effective thermal contact area between the heat conducting plate 4 and the kettle body 1 is increased.
Through ferrule 5 (can be metal or high temperature resistant plastics material, use metal material ferrule 5 to the anticollision protection effect of glass kettle body 1 better, use plastics material ferrule 5 be difficult for leading to glass kettle body 1 to break because of the hooping power is too big) with heat conduction board 4 crimping in kettle body 1 bottom, kettle body 1 is glass material, easily burst, in order to reduce the pressure of ferrule 5 to kettle body 1, avoid the problem that glass kettle body 1 bursts, please refer to fig. 3 and 4, in this embodiment, be equipped with buffer washer 6 between ferrule 5 and the kettle body 1, general buffer washer 6 is for having elasticity and heat-resisting materials such as silica gel, through setting up buffer washer 6, the pressure that kettle body 1 received has been played the cushioning effect, reduced.
Because the surface of the glass kettle body 1 is smoother, in order to prevent the hoop 5 from easily falling off the kettle body 1, referring to fig. 1, in this embodiment, the bottom part of the sidewall of the kettle body 1 is partially concave compared with other parts, so as to form a concave section 11 on the sidewall of the kettle body 1, the upper end of the hoop 5 is shrunk inwards to form an inner fastening section 51 fastened with the concave section 11, and the hoop 5 is not easy to fall off from the kettle body 1 by fastening fit between the concave section 11 and the inner fastening section 51.
Further, from bottom to top, the indent section 11 is gradually the indent setting of contracting inwards, and the angle of inclination of indent section 11 is alpha, and 75 is less than or equal to alpha and is less than or equal to 90, so set up for frictional force between ferrule 5 and the kettle body 1 can reach enough big, lets ferrule 5 be difficult for droing, of course the less alpha, ferrule 5 is difficult for droing, but alpha is too little, can increase the processing degree of difficulty, and the whole outward appearance of kettle body 1 is also not coordinated enough.
Generally, when the hoop 5 is installed, the hoop 5 is first sleeved on the bottom of the kettle body 1, and then the kettle body 1 is regulated by the regulating device of the hoop 5. The adjusting device form of the ferrule 5 has various, for example, the ferrule 5 can be an existing throat hoop or a binding belt, the adjusting device is a buckle structure, refer to fig. 5 to 7, in this embodiment, the ferrule 5 is semi-annular with a notch 52, two ends of the ferrule 5 are provided with a tightening structure, the tightening structure is used for adjusting the size of the notch 52 of the ferrule 5, and the ferrule 5 can be tightened and loosened by adjusting the size of the notch 52 of the ferrule 5, so that the structure is simpler, and the operation and installation are easier.
Specifically, the fastening structure may be arranged in various manners, for example, two ends of the notch 52 are connected with elastic members, the size of the notch 52 is adjusted by elastic stretching of the elastic members, and referring to fig. 5 and 7, in this embodiment, the fastening structure includes at least two fixing pieces 53 and an adjusting member, and the fixing pieces 53 are respectively arranged at two ends of the notch 52 of the ferrule 5 and extend outwards in a radial direction. In this embodiment, two fixing pieces 53 are provided, i.e. one is provided at each end of the notch 52 of the band 5. The adjusting piece is connected with the two fixing pieces 53, so that the gap 52 of the hoop 5 is adjusted by adjusting the distance between the two fixing pieces 53, and the hoop 5 is arranged in such a way that the shrinkage fastening force is large and the installation is firm.
Further, the adjusting member may be a screw or a spring, and in this embodiment, the screw and the spring are combined to be used, the function of pre-tightening and positioning is achieved through the arrangement of the spring, and the tightening is facilitated through the screw finally, so that the mounting of the ferrule 5 is convenient and firm.
The hoop 5 not only can play a role in fixing the heat-conducting plate 4, but also can play a role in protecting the glass kettle body 1, so that the hoop 5 can be arranged to wrap the bottom of the side wall of the kettle body 1, and the kettle body 1 is better in protection effect.
Further, the corner between the bottom wall and the side wall of the all-glass kettle body 1 is generally the thinnest place of the kettle body 1, and is easy to collide, so that the kettle body 1 is broken, referring to fig. 2, in this embodiment, the kettle body 1 comprises a connecting section connecting the bottom wall and the side wall of the kettle body 1, and the lower end of the hoop 5 extends to the lower edge of the connecting section, so that the hoop 5 wraps the connecting section, and the hoop 5 can protect the connecting section at the bottom of the kettle body 1, so as to prevent the connecting section from being broken by collision and impact, thereby causing the kettle body 1.
The heat conducting plate 4 is fixed at the bottom of the kettle body 1 through the hoops 5, and the setting forms of the hoops 5 are different according to the shape of the heat conducting plate 4. In order to increase the contact area between the heat conducting plate 4 and the bottom of the kettle body 1, the bottom of the kettle body 1 is heated more uniformly, the heat conducting plate 4 can be a heat conducting disc, the upper end of the heat conducting disc is sleeved at the bottom of the side wall of the kettle body 1, and the hoop 5 is sleeved at the outer side of the side part of the heat conducting disc so as to press the side part of the heat conducting disc to the bottom of the side wall of the kettle body 1, and at the moment, the hoop 5 can be cylindrical or conical.
For fixing the heat conducting plate 4 which is only installed on the bottom wall of the kettle body 1 and is arranged in a flat plate shape, or for enabling the heat conducting plate 4 which is arranged in a heat conducting disc to be attached to the bottom wall of the kettle body 1, the heat conducting plate 4 is prevented from loosening, please refer to fig. 4 and 5, in this embodiment, an annular inner folded edge 54 which is formed by extending along the circumferential direction is arranged at the lower end of the inner side wall of the hoop 5 (the hoop 5 and the annular inner folded edge 54 are integrally formed, or the hoop 5 and the annular inner folded edge 54 are connected in a welding manner, or the annular inner folded edge 54 is connected with the hoop 5 through a screw connection piece), the annular inner folded edge 54 is located below the heat conducting plate 4 and is abutted against the heat conducting plate 4 so as to press the heat conducting plate 4 to the bottom wall of the kettle body 1, and the annular inner folded edge 54 forms a bottom support for the heat conducting plate 4 is not easy to loosen and fall.
Further, the annular inner flange 54 is provided with a mounting hole, an adjusting screw connector 55 is mounted in the mounting hole (in this embodiment, the adjusting screw connector 55 is a screw), the adjusting screw connector 55 passes through the mounting hole and abuts against the heat conducting plate 4 so as to press the heat conducting plate 4 to the bottom wall of the kettle body 1, the heat conducting plate 4 is mounted more firmly by adjusting the upward acting force of the screw connector 55 on the heat conducting plate 4, and the adjusting screw connector 55 can be adjusted so that the heat conducting plate 4 is attached to the bottom wall of the kettle body 1 more, the contact area between the heat conducting plate 4 and the bottom wall of the kettle body 1 is increased, and the bottom of the kettle body 1 is heated more uniformly.
In order to adjust the gap between the heat conducting plate 4 and the kettle body 1 by adjusting the adjusting screw connection piece 55 conveniently, please refer to fig. 4, in this embodiment, the upper edge of the mounting hole extends upwards to form an annular matching barrel 56, an internal thread matched with the adjusting screw connection piece 55 is arranged in the annular matching barrel 56, and the number of segments matched with the thread of the adjusting screw connection piece 55 is increased by arranging the annular matching barrel 56, so that the acting force of the adjusting screw connection piece 55 on the heat conducting plate 4 is ensured, and the mutually matched threads are not easy to be worn.
The heat conducting plate 4 is arranged at the bottom of the kettle body 1 to enable the kettle body 1 to be heated more uniformly, so that the problem of bursting of the kettle body 1 is avoided, but the heat conducting plate 4 is made of metal, such as aluminum, the kettle body 1 is made of glass, and the materials are different, so that gaps exist between the heat conducting plate 4 and the kettle body 1 when the heat conducting plate 4 and the kettle body 1 are directly attached, in order to enable the heat conducting plate 4 to be fully contacted with the kettle body 1, invalid contact area is reduced, referring to fig. 4, in the embodiment, a heat conducting medium 7 is arranged between the heat conducting plate 4 and the kettle body 1, the gap between the heat conducting plate 4 and the kettle body 1 is filled with the heat conducting medium 7, the heat contact area is increased, so that the bottom of the kettle body 1 is heated more uniformly due to uneven bottom wall of the kettle body 1 and the heat conducting plate 4 is made of heat conducting silicone grease or heat conducting glue, the heat conducting medium 7 is arranged in such a manner, the heat conducting medium 7 has good heat conducting performance, and the chemical structure performance is stable, and the cost performance is high.
The electric heating device 3 can only comprise an electric heating tube, and the electric heating tube is connected with the heat conducting plate 4 in a brazing way. The electric heating device 3 can also comprise an electric heating tube and a bottom dish, wherein the bottom dish is an aluminum plate with the outer diameter smaller than the bottom wall of the kettle body, the bottom dish is fixed on the heat conducting plate in a welding mode, and the electric heating tube is fixed on the bottom dish in a welding mode. The electric heating device 3 of the first solution is simpler in structure, the electric heating device 3 of the second solution is more convenient to manufacture, and as the bottom plate is a standard component, the bottom plate is pre-fixed with connecting columns connected with a temperature controller, a bottom shell and other components, and for the first solution, a plurality of connecting columns are further arranged on the heat conducting plate, and for the second solution, only the bottom plate is required to be fixed on the heat conducting plate.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (11)
1. A liquid heater, comprising:
a kettle body made of all-glass materials;
the bottom shell is covered with the bottom of the kettle body and forms a bottom cavity together in a surrounding manner;
the heat conducting plate is arranged in the bottom cavity and is mounted at the bottom of the kettle body so as to be in thermal contact with the bottom of the kettle body, and a heat conducting medium is arranged between the heat conducting plate and the bottom of the kettle body;
the electric heating device is arranged in the bottom cavity and is thermally connected to the bottom of the kettle body through the heat conducting plate; the method comprises the steps of,
the hoop is sleeved at the bottom of the kettle body and at least partially extends to cover the outer periphery of the heat conducting plate so as to press and fix the heat conducting plate to the bottom of the kettle body;
the bottom part of the side wall of the kettle body is concavely arranged compared with other parts so as to form a concave section on the side wall of the kettle body;
the upper end of the hoop is contracted inwards to form an inner buckling section which is buckled with the inner concave section;
the concave sections are gradually and inwards contracted from bottom to top, the inclination angle of the concave sections is alpha, and alpha is more than or equal to 75 degrees and less than or equal to 90 degrees.
2. The liquid heater as claimed in claim 1, wherein the heat conducting plate is a heat conducting plate, and the upper end of the heat conducting plate extends to the bottom sleeved on the side wall of the kettle body;
the hoop is sleeved on the periphery of the side part of the heat conducting disc so as to press the side part of the heat conducting disc to the bottom of the side wall of the kettle body.
3. The liquid heater as claimed in claim 1, wherein a buffer gasket is provided between the ferrule and the kettle body.
4. The liquid heater as claimed in claim 1, wherein the band is semi-annular with a notch, and the band is provided with a tightening structure at both ends thereof for adjusting the size of the notch.
5. The liquid heater as claimed in claim 4, wherein the clamping structure comprises:
the fixing pieces are respectively arranged at two ends of the hoop notch and extend outwards along the radial direction to form the hoop notch; the method comprises the steps of,
the adjusting piece is connected with the fixing pieces, so that the size of the hoop gap can be adjusted by adjusting the distance between the fixing pieces.
6. The liquid heater as claimed in claim 5, wherein the adjustment member is a screw and/or a spring.
7. The liquid heater as claimed in claim 1, wherein a lower end of the inner sidewall of the ferrule is provided with an annular inner flange formed to extend in a circumferential direction;
the annular inner folded edge is positioned below the heat conducting plate and is abutted against the heat conducting plate so as to press the heat conducting plate to the bottom wall of the kettle body.
8. The liquid heater as claimed in claim 7, wherein the annular inner flange is provided with a mounting hole, the mounting hole being fitted with an adjusting screw, the adjusting screw passing through the mounting hole to abut the heat conducting plate to press-connect the heat conducting plate to the bottom wall of the kettle body.
9. The liquid heater as claimed in claim 8, wherein an upper edge of the mounting hole extends upwardly out of the annular mating cylinder;
and an internal thread matched with the adjusting screw connector is arranged in the annular matching cylinder.
10. The liquid heater as claimed in claim 7, wherein said ferrule is integrally formed with said annular inner flange; or,
the hoop and the annular inner folded edge are in welded connection; or,
the annular inner folded edge is connected with the hoop through a screw connector.
11. The liquid heater as claimed in claim 1, wherein the kettle body includes a connecting section connecting between the bottom wall and the side wall of the kettle body;
the lower end of the ferrule extends to the lower edge of the connection section such that the ferrule wraps around the connection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096213.9A CN109744868B (en) | 2017-11-08 | 2017-11-08 | Liquid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096213.9A CN109744868B (en) | 2017-11-08 | 2017-11-08 | Liquid heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109744868A CN109744868A (en) | 2019-05-14 |
| CN109744868B true CN109744868B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711096213.9A Active CN109744868B (en) | 2017-11-08 | 2017-11-08 | Liquid heater |
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2017
- 2017-11-08 CN CN201711096213.9A patent/CN109744868B/en active Active
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| WO1999017645A1 (en) * | 1997-10-07 | 1999-04-15 | Otter Controls Limited | Improvements relating to electrically heated vessels |
| CN203182686U (en) * | 2013-04-16 | 2013-09-11 | 张�杰 | Detachable electromagnetic kettle convenient to clean |
| JP2014230693A (en) * | 2013-05-30 | 2014-12-11 | タイガー魔法瓶株式会社 | Electric water heater |
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| Publication number | Publication date |
|---|---|
| CN109744868A (en) | 2019-05-14 |
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