All-glass heating kettle body capable of reducing electric leakage risk

Abstract

The utility model discloses an all-glass heating kettle body capable of reducing electric leakage risk, which comprises an all-glass kettle body, a heating disc, a support and an NTC (Negative Temperature Coefficient) temperature sensor, and the heating disc is attached to the bottom of the all-glass kettle body to realize heat transfer; a through opening is formed in the middle of the heating disc; the bracket is arranged below the heating disc; the NTC temperature sensor is installed on the support, and the NTC temperature sensor penetrates through the opening and abuts against the bottom of the all-glass kettle body to achieve temperature detection. The electric kettle further comprises a heat insulation ring which is arranged at the opening and surrounds the periphery of the NTC temperature sensor, and the bottom of the all-glass kettle body, the heating disc, the heat insulation ring, the support and the NTC temperature sensor are connected in a closed loop mode and form a closed area. Therefore, the heat insulation ring is arranged at the central opening of the heating disc, and the bottom of the all-glass kettle body, the heating disc, the heat insulation ring, the support and the NTC temperature sensor are connected in a closed loop mode to form the closed area, so that when the central area of the bottom of the all-glass kettle body is broken, liquid in the kettle body flows into the closed area; therefore, the risk of electric leakage can be reduced, and the safety requirement of 3C certification can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to domestic appliance technical field, concretely relates to a full glass heating kettle body of reducing leakage risk. BACKGROUND

[0002] The part provided is merely background information of the present application to facilitate those skilled in the art to understand the present application more thoroughly and accurately, and it is not necessarily prior art.

[0003] At present, for the full glass heating kettle body, it can avoid the problem of heavy metal residue caused by stainless steel heating, and is more beneficial to drinking water health, so it is gradually loved by people.

[0004] Among them, in order to realize the temperature detection of the full glass kettle body, NTC temperature detection probe is usually arranged at the bottom center of the full glass kettle body. The bottom of the full glass kettle body is provided with a heating disc, so that the opening is arranged in the center area of the heating disc for the NTC temperature detection probe to pass through. In this way, once the center area of the bottom of the glass kettle body is broken, the liquid in the kettle body will flow out through the opening of the heating disc, thereby causing the risk of electric leakage, and further failing to meet the safety requirements in the process of 3C certification.

[0005] Therefore, it is urgent to solve the above problems existing in the prior art. UTILITY MODEL CONTENT

[0006] In order to overcome the defects of the prior art, the utility model provides a full glass heating kettle body capable of reducing the risk of electric leakage, so as to reduce the safety hazard of electric leakage after accidental breakage of glass mentioned in the background art, and meet the safety requirements of 3C certification.

[0007] The utility model adopts the technical scheme that:

[0008] A full glass heating kettle body capable of reducing the risk of electric leakage, comprising:

[0009] Full glass kettle body;

[0010] Heating disc, which is attached to the bottom of the full glass kettle body to realize heat transfer; the middle part of the heating disc is provided with a through opening;

[0011] Support, which is arranged below the heating disc;

[0012] NTC temperature sensor, which is installed on the support; the NTC temperature sensor passes through the opening and abuts against the bottom of the full glass kettle body to realize temperature detection;

[0013] Further, a first sealing ring is arranged between the heat insulation ring and the support, and abuts against the heat insulation ring and the support respectively to form a waterproof seal.

[0014] Further, a second sealing ring is arranged between the NTC temperature sensor and the support, and abuts against the NTC temperature sensor and the support respectively to form a waterproof seal.

[0015] Further, a second sealing ring is arranged between the NTC temperature sensor and the support, and abuts against the NTC temperature sensor and the support respectively to form a waterproof seal.

[0016] Further, the heating disc comprises a first heat transfer plate, a heating tube arranged at the bottom of the first heat transfer plate and heating the first heat transfer plate, and a second heat transfer plate arranged at the top of the first heat transfer plate, and the upper end surface of the second heat transfer plate is in abutment with the bottom of the all-glass kettle to achieve heat transfer, wherein:

[0017] A first through hole is formed in the middle of the first heat transfer plate, and a second through hole is formed in the middle of the second heat transfer plate, and the first through hole and the second through hole are in communication to form the opening;

[0018] The heat insulation ring is sealingly connected with the first through hole and / or the second through hole.

[0019] Further, a fixing ring is arranged around the periphery of the heating disc and is sleeved on the bottom of the all-glass kettle, and a heat insulation plate is arranged on the fixing ring and below the heating disc, and the support is mounted on the heat insulation plate.

[0020] A first drainage hole is formed in the heat insulation plate.

[0021] Further, the heat insulation plate presses and fixes the heating disc on the bottom of the all-glass kettle through an elastic member, wherein:

[0022] A mounting column is riveted on the first heat transfer plate, and a positioning hole is formed in the heat insulation plate for the mounting column to pass through, and the second heat transfer plate covers the first heat transfer plate and covers the mounting column.

[0023] The elastic member is sleeved on the mounting column and abuts against the first heat transfer plate at one end and abuts against the heat insulation plate at the other end.

[0024] Further, the all-glass kettle comprises a body portion and a necked portion formed at the bottom of the body portion and arranged in a necked manner in the radial direction, wherein:

[0025] The fixed ring is arranged on the outer periphery of the necked portion and forms a glue groove with the outer side wall of the necked portion, and the glue groove is filled with glue to connect and fix the fixed ring with the all-glass kettle body.

[0026] Further, a bottom disc is arranged on the bottom of the all-glass kettle body and forms a mounting cavity with the bottom of the all-glass kettle body, and the heating disc, the heat insulation plate, the support and the fixed ring are arranged in the mounting cavity.

[0027] The bottom of the bottom disc is provided with a second drain hole.

[0028] Further, the bottom of the bottom disc is further provided with a first supporting leg, the height of the first supporting leg is h1, and h1≥3mm is satisfied.

[0029] Further, a third sealing ring is arranged between the body and the bottom disc, the third sealing ring is in abutment with the body and the bottom disc respectively to form a waterproof seal, and the fixed ring is in abutment with the third sealing ring.

[0030] In summary, the all-glass heating kettle body capable of reducing the risk of electric leakage is provided, the heat insulation ring is arranged at the center opening of the heating disc, the bottom of the all-glass kettle body, the heating disc, the heat insulation ring, the support and the NTC temperature sensor are connected in a closed loop and form a closed area, and when the central area of the bottom of the all-glass kettle body is broken, the liquid in the kettle body flows into the closed area, thereby reducing the risk of electric leakage, and further meeting the safety requirements of 3C certification. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is an explosion schematic view of the all-glass heating kettle body of the utility model;

[0032] Figure 2 It is a structure schematic view of the all-glass heating kettle body of the utility model from another perspective; Figure 1

[0033] Figure 3 It is a cross-sectional schematic view of the heating disc in the all-glass heating kettle body of the utility model;

[0034] Figure 4 It is a structure schematic view of the all-glass heating kettle body of the utility model;

[0035] Figure 5 It is a cross-sectional schematic view of the all-glass heating kettle body of the utility model;

[0036] Figure 6 It is a structure schematic view of the heating device of the utility model;

[0037] Figure 7 It is a structure schematic view of the heating device of the utility model from another perspective; Figure 6 ​Structure schematic diagram of another perspective view.

[0038] In the drawings, reference signs have the following meanings:

[0039] 1. The kettle body is all glass; 101, the main body part; 102, the necked part; 2, the heating disc; 201, the first heat transfer plate; 2011, the first through hole; 202, the heating tube; 203, the second heat transfer plate; 2031, the second through hole; 204, the mounting column; 3, the support; 301, the mounting groove; 4, the NTC temperature sensor; 401, the support frame; 402, the NTC temperature measuring probe; 5, the heat insulation ring; 6, the first sealing ring; 7, the fixed ring; 701, the code; 8, the heat insulation plate; 801, the first drain hole; 9, the elastic member; 10, the third sealing ring; 11, the bottom disc; 1101, the second drain hole; 1102, the first supporting leg; 12, the upper coupler; 13, the base; 1301, the third drain hole; 1302, the second supporting leg. DETAILED DESCRIPTION

[0040] In order to better understand and implement, the technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.

[0041] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the modules or elements indicated must have a specific direction, be constructed in a specific direction and be operated, therefore it cannot be understood as a limitation on the utility model.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments and are not intended to limit the utility model.

[0043] Embodiment one

[0044] Reference Figures 1-5The utility model provides a kind of full glass heating kettle body of reducing electric leakage risk, including full glass kettle body 1, heating disc 2, support 3 and NTC temperature sensor 4, the full glass kettle body 1 is integrally processed into shape using high borosilicate glass, the heating disc 2 is tightly attached at the bottom of full glass kettle body 1 to realize heating to full glass kettle body 1, and the central region of the heating disc 2 is provided with a through opening;The support 3 is arranged below the heating disc 2;The NTC temperature sensor 4 is installed on the support 3, and the NTC temperature sensor 4 passes through the opening and abuts on the bottom of the full glass kettle body 1 to realize temperature detection.

[0045] Wherein, it further includes the heat insulation ring 5 being set at the opening and surrounding the outer periphery of the NTC temperature sensor 4, and the bottom of the full glass kettle body 1, the heating disc 2, the heat insulation ring 5, the support 3 and the NTC temperature sensor 4 are connected in a closed loop and form a closed area. Preferably, the heat insulation ring 5 is made of metal material or high-temperature-resistant plastic material.

[0046] Therefore, by setting the heat insulation ring 5 at the central opening of the heating disc 2, the bottom of the full glass kettle body 1, the heating disc 2, the heat insulation ring 5, the support 3 and the NTC temperature sensor 4 are connected in a closed loop and form a closed area; By such setting, when the central region of the bottom of the full glass kettle body 1 is broken, the liquid in the kettle will flow into the closed area, thereby avoiding flowing into the bottom region of the kettle and contacting the electrical components, and further reducing the generation of electric leakage risk, so as to meet the safety requirements of 3C certification.

[0047] Referring again to Figures 1-5 It further includes the first sealing ring 6 being set between the heat insulation ring 5 and the support 3, and the first sealing ring 6 abuts against the heat insulation ring 5 and the support 3 to form a waterproof seal. Preferably, the first sealing ring 6 is sleeved on the bottom of the heat insulation ring 5, and when the heat insulation ring 5 is set at the opening of the heating disc 2, the first sealing ring 6 abuts against the top of the support 3 to form a waterproof seal.

[0048] Further, it further includes the second sealing ring (not shown in the figure) being set between the NTC temperature sensor 4 and the support 3, and the second sealing ring abuts against the NTC temperature sensor 4 and the support 3 to form a waterproof seal. Specifically, the NTC temperature sensor 4 includes the support frame 401 and the NTC temperature probe 402 being installed on the support frame 401, the top of the support 3 is provided with the mounting groove 301, the NTC temperature probe 402 is installed in the mounting groove 301 through the support frame 401, and the NTC temperature probe 402 abuts against the bottom of the heating disc 2 to realize temperature detection. The second sealing ring abuts against the support frame 401 and the mounting groove 301 to form a waterproof seal.

[0049] Thus, by setting the first sealing ring 6 and the second sealing ring, the waterproof sealing of the closed area is increased, liquid is prevented from flowing out of the closed area, and the risk of electric leakage is reduced.

[0050] Referring to Figure 3 The heating disc 2 comprises a first heat transfer plate 201, a heating pipe 202 arranged at the bottom of the first heat transfer plate 201 and heating the first heat transfer plate 201, and a second heat transfer plate 203 arranged at the top of the first heat transfer plate 201, and the upper end surface of the second heat transfer plate 203 is in abutment with the bottom of the all-glass kettle body 1 to achieve heat transfer. Preferably, the first heat transfer plate 201 and the second heat transfer plate 203 are both aluminum plates; a first through hole 2011 is formed in the middle of the first heat transfer plate 201, and a second through hole 2031 is formed in the middle of the second heat transfer plate 203, the first through hole 2011 and the second through hole 2031 are in communication and form the opening mentioned above; the top outer side wall of the heat insulation ring 5 is connected with the inner side wall of the first through hole 2011.

[0051] Of course, in other embodiments, the top outer side wall of the heat insulation ring 5 can also be connected with the inner side wall of the second through hole 2031; or the top outer side wall of the heat insulation ring 5 is connected with the inner side walls of the first through hole 2011 and the second through hole 2031, which can also achieve the same technical effect, and are not limited here.

[0052] Of course, it should be noted that in other embodiments, the heating disc 2 can also be provided with only the first heat transfer plate 201, and the upper end surface of the first heat transfer plate 201 is abutted to the bottom surface of the all-glass kettle body 1 to achieve heat transfer, which can also achieve the same technical effect; at this time, the top outer side of the heat insulation ring 5 is connected with the inner side wall of the first through hole 2011 of the first heat transfer plate 201 to form a sealed connection.

[0053] Further, a fixing ring 7 is further provided, which is sleeved on the bottom of the all-glass kettle body 1 and annularly arranged outside the periphery of the heating disc 2, and a heat insulation plate 8 is further provided, which is arranged on the fixing ring 7 and below the heating disc 2, and the bracket 3 is mounted on the heat insulation plate 8; a plurality of first drainage holes 801 are annularly arranged on the heat insulation plate 8.

[0054] In the embodiment, a plurality of code pieces 701 are further annularly arranged on the fixing ring 7, and the fixing ring 7 is connected and fixed with the heat insulation plate 8 through the code pieces 701.

[0055] The heat insulation plate 8 is pressed and fixed to the bottom of the all-glass kettle body 1 by a plurality of elastic members 9; specifically, a mounting column 204 is riveted on the first heat transfer plate 201 of the heating disc 2, and a positioning hole is formed in the heat insulation plate 8 for the mounting column 204 to pass through; the elastic member 9 is sleeved on the mounting column 204 and abuts against the first heat transfer plate 201 at one end and abuts against the heat insulation plate 8 at the other end. Preferably, the elastic member 9 is a spring.

[0056] Thus, under the elastic force of the spring, the first heat transfer plate 201 is driven to move upward and the second heat transfer plate 203 is tightly attached to the bottom of the all-glass kettle body 1 to achieve heat transfer.

[0057] In the embodiment, the second heat transfer plate 203 covers the first heat transfer plate 201 to shield the mounting column 204, and when the upper end surface of the heating disc 2 abuts against the bottom surface of the all-glass kettle body 1, the upper end surface of the heating disc 2 cannot see any riveting traces of the mounting column 204, thereby improving the overall aesthetic appearance of the product.

[0058] Referring back to Figures 1-2 The all-glass kettle body 1 includes a body portion 101 and a necked portion 102 formed at the bottom of the body portion 101 and arranged in a necked manner along the radial direction, the fixing ring 7 is sleeved on the outer circumferential side of the necked portion 102 and a glue groove is formed between the fixing ring 7 and the outer side wall of the necked portion 102, and the glue groove is filled with glue to connect and fix the fixing ring 7 and the all-glass kettle body 1; the second heat transfer plate 203 of the heating disc 2 is tightly attached to the lower end surface of the necked portion 102 to achieve heat transfer.

[0059] In addition, a bottom disc 11 is further arranged on the bottom of the all-glass kettle body 1 and forms a mounting cavity with the bottom of the all-glass kettle body 1, and the heating disc 2, the heat insulation plate 8, the bracket 3 and the fixing ring 7 are arranged in the mounting cavity; the bottom of the bottom disc 11 is provided with a second drainage hole 1101. The bottom of the bottom disc 11 is further provided with a plurality of first supporting legs 1102, the height of the first supporting leg 1102 is h1, and h1≥3mm is satisfied, so that the liquid can be smoothly discharged from the second drainage hole 1101.

[0060] Thus, when the non-central area of the bottom of the all-glass kettle body 1 is broken, at this time the liquid in the kettle will flow away from the central area along the upper end surface of the second heat transfer plate 203, and flow out from the edge of the second heat transfer plate 203 and flow to the heat insulation plate 8, and then flow out through the plurality of first drainage holes 801 on the heat insulation plate 8 and flow to the bottom disc 11, and then flow out through the plurality of second drainage holes 1101 on the bottom disc 11, thereby avoiding the accumulation of liquid in the kettle.

[0061] Further, a third sealing ring 10 is further arranged between the body portion 101 of the all-glass kettle body 1 and the bottom disc 11, the third sealing ring 10 abuts against the top edge of the body portion 101 and the bottom disc 11 respectively to form a waterproof seal, and the fixing ring 7 abuts against the third sealing ring 10.

[0062] In the embodiment, an upper coupler 12 is further arranged in the bottom disc 11 and located in the mounting cavity, and the all-glass kettle body is coupled and connected with other components through the upper coupler 12 to achieve electrical conduction.

[0063] Embodiment two

[0064] Referring to Figures 6-7 The utility model also provides a heating device, including base 13 and above-mentioned embodiment one's all glass heating kettle body, the accommodating cavity is seted up on the base 13, and the accommodating cavity is equipped with lower coupler, and the bottom of all glass heating kettle body is placed in the accommodating cavity detachably, and when all glass heating kettle body is placed in the accommodating cavity, its upper coupler 12 is coupled with lower coupler and is connected to realize electricity conduction.

[0065] Wherein, the accommodating cavity is also seted up with the third drain hole 1301 that passes through, and the base 13 bottom is also equipped with a plurality of second support feet 1302, the height of second support feet 1302 is h2, and satisfy h2≥3mm, to guarantee that liquid can be discharged from the third drain hole 1301 smoothly.

[0066] Therefore, when the liquid in the kettle is discharged through a plurality of second drain holes 1101 on the bottom disc 11 of the all glass heating kettle body, it can enter the accommodating cavity and be discharged to the outside through a plurality of third drain holes 1301, thereby avoiding the accumulation of liquid and ensuring the safety of product use.

[0067] In summary, the all glass heating kettle body provided by the utility model can reduce the risk of electric leakage. By setting a heat insulation ring 5 at the center opening of the heating disc 2, a closed area is formed between the bottom of the all glass kettle 1, the heating disc 2, the heat insulation ring 5, the bracket 3, and the NTC temperature sensor 4. When the center area of the bottom of the all glass kettle 1 is broken, the liquid in the kettle will flow into the closed area, thereby reducing the risk of electric leakage and meeting the safety requirements of 3C certification.

[0068] It should be understood that the terms "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the modules or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0069] In addition, in the description of the utility model, the meaning of "a plurality of" and "several" is two or more than two, unless otherwise explicitly and specifically limited.

[0070] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above-mentioned embodiments, but also includes the technical scheme composed of any combination of the above technical features. It should be noted that for ordinary skilled persons in the art, without departing from the principle of the utility model, some improvements and refinements can be made, which are also considered as the protection scope of the utility model.

Claims

1. A full glass heating kettle body capable of reducing the risk of electric leakage, characterized in that, The utility model relates to a kettle, including: all glass kettle body; Heating disc, which is attached to the bottom of the all glass kettle body to achieve heat transfer; the middle part of the heating disc is provided with a through opening; Support, which is arranged below the heating disc; NTC temperature sensor, which is installed on the support; the NTC temperature sensor passes through the opening and abuts against the bottom of the all glass kettle body to achieve temperature detection; Wherein, further comprising a heat insulation ring arranged at the opening and surrounding the outer periphery of the NTC temperature sensor, the bottom of the all glass kettle body, the heating disc, the heat insulation ring, the support and the NTC temperature sensor are connected in a closed loop and form a closed area.

2. The all-glass heating kettle body according to claim 1, characterized in that, Further comprising a first sealing ring arranged between the heat insulation ring and the support, the first sealing ring abuts against the heat insulation ring and the support respectively to form a waterproof seal.

3. The all-glass heating kettle body according to claim 1, characterized in that, Further comprising a second sealing ring arranged between the NTC temperature sensor and the support, the second sealing ring abuts against the NTC temperature sensor and the support respectively to form a waterproof seal.

4. The all-glass heating kettle body according to any one of claims 1-3, characterized in that, The heating disc comprises a first heat transfer plate, a heating tube arranged at the bottom of the first heat transfer plate and heated, and a second heat transfer plate arranged at the top of the first heat transfer plate, the upper end surface of the second heat transfer plate is attached to the bottom of the all glass kettle body to achieve heat transfer, wherein: The middle part of the first heat transfer plate is provided with a first through hole, the middle part of the second heat transfer plate is provided with a second through hole, and the first through hole and the second through hole are communicated to form the opening; The heat insulation ring is sealingly connected with the first through hole and / or the second through hole.

5. The all-glass heating kettle body according to claim 4, characterized in that, Further comprising a fixing ring sleeved on the bottom of the all glass kettle body and surrounding the outer periphery of the heating disc, and a heat insulation plate arranged on the fixing ring and below the heating disc, the support is installed on the heat insulation plate; The heat insulation plate is provided with a first drain hole.

6. The all-glass heating kettle body according to claim 5, characterized in that, The heat insulation plate fixes the heating disc on the bottom of the all glass kettle body through the elastic member, wherein: The first heat transfer plate is riveted with a mounting column, the heat insulation plate is provided with a positioning hole through which the mounting column passes; the second heat transfer plate covers the first heat transfer plate and covers the mounting column; The elastic member is sleeved on the mounting column and abuts against the first heat transfer plate at one end and abuts against the heat insulation plate at the other end.

7. The all-glass heating kettle body according to claim 5, characterized in that, The all glass kettle body comprises a body part and a necked part formed at the bottom of the body part and arranged in a necked manner in the radial direction, wherein: The fixing ring is sleeved on the outer periphery of the necked part and forms a glue groove between the outer side wall of the necked part, the glue groove is filled with glue to connect and fix the fixing ring and the all glass kettle body.

8. The all-glass heating kettle body according to claim 7, characterized in that, Further comprising a bottom disc covering the bottom of the all glass kettle body and forming an installation cavity between the bottom of the all glass kettle body, the heating disc, the heat insulation plate, the support and the fixing ring are arranged in the installation cavity; The bottom disc is provided with a second drain hole at the bottom.

9. The all-glass heating kettle body according to claim 8, characterized in that, The bottom of the bottom disc is further provided with a first supporting leg, the height of the first supporting leg is h1, and h1 is greater than or equal to 3mm.

10. The all-glass heating kettle body according to claim 8, characterized in that, A third sealing ring is arranged between the body part and the bottom disc, and abuts against the body part and the bottom disc respectively to form a waterproof seal; the fixing ring abuts against the third sealing ring.

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