Safe and sanitary water draining assembly for thermos bottle and thermos bottle

By installing a retaining ring on the lower water inlet pipe and using a flanged limit for fixation, combined with a sealing ring to form a waterproof seal, the problem of harmful substances caused by glue fixation is solved, and the safety and hygiene of the hot water bottle is improved.

CN223585712UActive Publication Date: 2025-11-25ZHONGSHAN MEIYANG ELECTRIC CO LTD
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Patent Information

Application Number
CN202423126635.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-25
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The drain assembly of existing hot water bottles is fixed with glue, which causes the glue to decompose at high temperatures, releasing harmful substances into the liquid and affecting health.

Method used

A retaining ring is fitted onto the lower water inlet pipe, and the pipe is fixed by a flange to limit movement, avoiding the use of glue, and forming a waterproof seal with a sealing ring.

Benefits of technology

It achieves glue-free fixation, prevents harmful substances from entering the liquid, and improves safety and hygiene.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safe and sanitary water draining assembly for a thermos bottle, which comprises an inner container, a lower water inlet pipe and a clamping ring, and a water outlet hole is arranged at the bottom of the inner container; the lower water inlet pipe penetrates through the water outlet hole; the clamping ring is arranged on the lower water inlet pipe in a sleeving mode and located outside the inner container. Wherein the top of the lower water inlet pipe is provided with a first flange, and the lower water inlet pipe is hung at the water outlet hole through the first flange; the first flanging is propped against the inner bottom surface of the inner container to limit the downward movement of the lower water inlet pipe; in addition, a second flange is arranged at the bottom of the lower water inlet pipe, the second flange abuts against the bottom face of the clamping ring, the top face of the clamping ring abuts against the outer bottom face of the inner container to limit the lower water inlet pipe to move upwards, and therefore limiting and fixing of the lower water inlet pipe are achieved. Therefore, glue is not needed by adopting the fixing mode, harmful substances can be prevented from being generated and mixed into the liquid, and the fixing device is safer and more sanitary. In addition, the utility model further provides the thermos bottle with the thermos bottle cover.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiled water bottle technical field, specifically to a safe and sanitary boiled water bottle lower water subassembly and boiled water bottle. BACKGROUND

[0002] The part provided in this part is merely background information related to 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] The boiled water bottle is a household appliance that can boil water and has a heat preservation function, can supply hot boiled water at any time, is simple and convenient to use, and is widely used in families, offices and other places.

[0004] The existing boiled water bottle usually sets a lower water filtering assembly at the bottom of the inner container to realize automatic water outlet. A lower water inlet pipe is arranged at the water outlet hole of the inner container bottom, and the lower water inlet pipe is fixed at the water outlet hole by gluing. In this way, when the inner container heats the liquid, the glue is easily decomposed into harmful substances and mixed into the liquid due to the high temperature of the inner container, which can affect the health of the user when drinking the liquid mixed with the harmful substances. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects of the prior art, the utility model provides a safe and sanitary boiled water bottle lower water subassembly and boiled water bottle, a snap ring is sleeved on the lower water inlet pipe outside the inner container, the bottom of the lower water inlet pipe is provided with a second flange, the second flange abuts against the bottom surface of the snap ring, and the top surface of the snap ring abuts against the outer bottom surface of the inner container, so as to realize the limiting and fixing of the lower water inlet pipe. Therefore, the above fixing method does not need to use glue, so that harmful substances can be avoided to be mixed into the liquid, and the boiled water bottle is safer and more sanitary.

[0006] The utility model adopts the technical scheme that

[0007] A safe and sanitary boiled water bottle lower water subassembly comprises:

[0008] An inner container, which is provided with a water outlet hole at the bottom;

[0009] A lower water inlet pipe, which is arranged at the water outlet hole;

[0010] A snap ring, which is sleeved on the lower water inlet pipe and located outside the inner container;

[0011] The top of the lower water inlet pipe is provided with a first flange, the lower water inlet pipe is hung at the water outlet hole through the first flange, the first flange abuts against the inner bottom surface of the inner container to limit the downward movement of the lower water inlet pipe, and the bottom of the lower water inlet pipe is provided with a second flange, the second flange abuts against the bottom surface of the clamping ring and makes the top surface of the clamping ring abut against the outer bottom surface of the inner container to limit the upward movement of the lower water inlet pipe.

[0012] Further, a first sealing ring is arranged at the water outlet hole.

[0013] The first sealing ring abuts against the lower water inlet pipe and the inner container to form a waterproof seal, or the first sealing ring abuts against the lower water inlet pipe, the inner container and the clamping ring to form a waterproof seal.

[0014] Further, the first sealing ring comprises a first horizontal part arranged between the first flange and the inner bottom surface of the inner container to form a waterproof seal.

[0015] Alternatively, the first sealing ring comprises a first horizontal part arranged between the first flange and the inner bottom surface of the inner container to form a waterproof seal and a vertical part arranged between the outer side wall of the lower water inlet pipe and the inner side wall of the water outlet hole to form a waterproof seal.

[0016] Alternatively, the first sealing ring comprises a first horizontal part arranged between the first flange and the inner bottom surface of the inner container to form a waterproof seal, a vertical part arranged between the outer side wall of the lower water inlet pipe and the inner side wall of the water outlet hole to form a waterproof seal and a second horizontal part arranged between the outer bottom surface of the inner container and the top surface of the clamping ring to form a waterproof seal.

[0017] Further, a filter screen is arranged on the lower water inlet pipe and riveted on the first flange.

[0018] In addition, the utility model also provides a boiled water bottle, which comprises the above-mentioned boiled water bottle lower water assembly.

[0019] Further, a heating disc is arranged at the bottom of the inner container, the heating disc comprises a heat transfer plate and a heating pipe arranged at the bottom of the heat transfer plate, and the upper end surface of the heat transfer plate is attached to the bottom surface of the inner container to realize heat transfer.

[0020] Further, a heat insulation plate is arranged below the inner container, and the heat insulation plate is connected and fixed with the heat transfer plate.

[0021] Further, a fixing ring detachably sleeved on the outer periphery of the bottom of the inner container and a fixing support fixedly connected with the fixing ring are further included, and the heat insulation plate is fixedly connected to the fixing support.

[0022] Further, the inner container includes a body portion, and a bottom of the body portion is provided with a necking portion in a radial direction, wherein:

[0023] The necking portion is provided with a first arc surface, and the fixing ring is provided with a second arc surface matched with the first arc surface, the fixing ring is sleeved on the outer sidewall of the necking portion and is limited and fixed through abutting cooperation of the first arc surface and the second arc surface.

[0024] Alternatively,

[0025] The fixing ring is located at the outer side of the necking portion and forms a glue groove together with the necking portion, and the glue groove is filled with glue to fix the fixing ring.

[0026] Further, a second sealing ring sleeved on the necking portion is further included, a stepped surface is formed between the body portion and the necking portion, and the second sealing ring is abutted on the stepped surface; and the fixing ring is abutted on the second sealing ring.

[0027] In summary, the lower water assembly for the safe and sanitary boiling water bottle and the boiling water bottle provided by the utility model realize the limiting and fixing of the lower water inlet pipe by sleeving the clamping ring on the outer portion of the inner container, the bottom of the lower water inlet pipe is provided with the second flange, the second flange is abutted on the bottom surface of the clamping ring, and the top surface of the clamping ring is abutted on the outer bottom surface of the inner container, so that the limiting and fixing of the lower water inlet pipe are realized. Therefore, the above fixing mode does not need to use glue, and harmful substances can be avoided from being mixed into the liquid, so that the boiling water bottle is safer and more sanitary. BRIEF DESCRIPTION OF DRAWINGS

[0028] Fig. 1 It is an exploded schematic view of the lower water assembly for the boiling water bottle of the utility model;

[0029] Fig. 2 It is a cross-sectional schematic view of the lower water assembly for the boiling water bottle of the utility model;

[0030] Fig. 3 It is an exploded schematic view of part of the structure of the boiling water bottle of the utility model;

[0031] Fig. 4 It is a structural schematic view of part of the structure of the boiling water bottle of the utility model;

[0032] Fig. 5 It is a cross-sectional schematic view of part of the structure of the boiling water bottle of the utility model;

[0033] Fig. 6The utility model discloses another embodiment boiling water bottle part structure's section diagrammatic view.

[0034] Among them, the signification of sign is as follows:

[0035] 1, the lower water assembly for boiling water bottle;11, inner bag;111, main part portion;112, neck-in portion;113, step surface;114, first camber surface;12, lower water inlet pipe;121, first flange;122, second flange;13, snap ring;14, first sealing ring;141, first horizontal portion;142, vertical portion;15, filter screen;2, heating disc;21, heat transfer plate;22, heating tube;23, mounting column;3, heat insulation plate;31, first mounting hole;32, second mounting hole;4, fixed support;41, first connecting column;42, third mounting hole;5, fixed ring;51, notch;52, second connecting column;53, second camber surface;6, second sealing ring. DETAILED DESCRIPTION

[0036] In order to better understand and implement, below will combine the drawings in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is clearly and completely described.

[0037] In the description of the utility model, it is explained that, the orientation or position relation that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the module or element must have a particular orientation, a particular orientation is constructed and operated, therefore it can not be understood as the limitation of the utility model.

[0038] 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.

[0039] Embodiment one

[0040] Reference Figs. 1-2The utility model provides a safe and sanitary water opening bottle lower water subassembly 1, including the inner bag 11 of bottom opening water hole and the lower water inlet pipe 12 of wearing in water hole department, the lower water inlet pipe 12 is equipped with the snap ring 13 of being located the outside of inner bag 11 on, wherein, the top of lower water inlet pipe 12 is folded outwards and forms annular first flanging 121, and lower water inlet pipe 12 is hung in water hole department through first flanging 121, first flanging 121 abuts the inner bottom of inner bag 11 to limit lower water inlet pipe 12 to move downwards, in addition, the bottom of lower water inlet pipe 12 still annularly is equipped with a plurality of second flanging 122, when not assembling snap ring 13, second flanging 122 is also in unbent state, when the snap ring 13 is equipped on lower water inlet pipe 12, can fold second flanging 122 and make it abut in snap ring 13 bottom and make snap ring 13 top abut the outer bottom of inner bag 11 to limit lower water inlet pipe 12 to move upwards.

[0041] Therefore, by setting the snap ring 13 outside the inner bag 11 on the lower water inlet pipe 12, the bottom of the lower water inlet pipe 12 is provided with the second flange 122, and the second flange 122 abuts the bottom of the snap ring 13 and the top of the snap ring 13 abuts the outer bottom of the inner bag 11, thereby achieving the limiting and fixing of the lower water inlet pipe 12. Therefore, the above fixing method does not need to use glue, thereby avoiding the generation of harmful substances and mixing into the liquid, making it more safe and sanitary.

[0042] Further, the filter screen 15 is arranged on the lower water inlet pipe 12, the filter screen 15 is riveted on the first flange 121, and a plurality of filter holes are formed in the filter screen 15 to filter liquid impurities. In addition, the first sealing ring 14 is arranged at the water outlet hole, and the first sealing ring 14 abuts the lower water inlet pipe 12 and the inner bag 11 respectively to form a waterproof seal.

[0043] Specifically, the cross section of the first sealing ring 14 is inverted L-shaped and includes a first horizontal part 141 and a vertical part 142, the first horizontal part 141 is arranged between the first flange 121 and the inner bottom of the inner bag 11 to form a waterproof seal, and the vertical part 142 is arranged between the outer side wall of the lower water inlet pipe 12 and the inner side wall of the water outlet hole to form a waterproof seal. Specifically, the top surface of the first horizontal part 141 abuts the bottom surface of the filter screen 15, and the bottom surface of the first horizontal part 141 abuts the inner bottom of the inner bag 11 to form a waterproof seal; one side surface of the vertical part 142 abuts the outer side wall of the lower water inlet pipe 12, and the other side surface of the vertical part 142 abuts the inner side wall of the water outlet hole to form a waterproof seal.

[0044] Therefore, by arranging the first sealing ring 14, the gap between the lower water inlet pipe 12 and the water outlet hole can be filled to form a waterproof seal, and the lower water inlet pipe 12 can also be prevented from being offset, thereby ensuring the firm assembly of the lower water inlet pipe 12.

[0045] It should be noted that in other embodiments, the first sealing ring 14 can also only include the first horizontal portion 141, and the top surface of the first horizontal portion 141 abuts against the bottom surface of the filter screen 15, and the bottom surface of the first horizontal portion 141 abuts against the inner bottom surface of the inner container 11 to form a waterproof seal, which can also achieve waterproof sealing between the lower water inlet pipe 12 and the water outlet hole; or, in other embodiments, the cross section of the first sealing ring 14 can also be U-shaped, and the first sealing ring 14 includes the first horizontal portion 141, the vertical portion 142, and the second horizontal portion, the top surface of the first horizontal portion 141 abuts against the bottom surface of the filter screen 15, the bottom surface of the first horizontal portion 141 abuts against the inner bottom surface of the inner container 11, one side surface of the vertical portion 142 abuts against the outer side wall of the lower water inlet pipe 12, the other side surface of the vertical portion 142 abuts against the inner side wall of the water outlet hole, the top surface of the second horizontal portion abuts against the outer bottom surface of the inner container 11, and the bottom surface of the second horizontal portion abuts against the top surface of the clamping ring 13 to form a waterproof seal, which can achieve waterproof sealing between the lower water inlet pipe 12, the water outlet hole, and the clamping ring 13. Therefore, the above is not limited.

[0046] Embodiment two

[0047] Referring to Figs. 3-5 The utility model also provides a boiling water bottle, including above-mentioned boiling water bottle lower water subassembly 1. Wherein, still include setting in the inner container 11 bottom heating disc 2, heating disc 2 includes heat transfer plate 21 and sets up in heat transfer plate 21 bottom heating tube 22, and the upper end surface of heat transfer plate 21 is attached with inner container 11 bottom surface to realize heat transfer, to realize the heating of liquid in the inner container 11.

[0048] Wherein, still include setting in the inner container 11 below heat insulation plate 3, and heat insulation plate 3 is connected with heat transfer plate 21 and is fixed. Preferably, the bottom of heat transfer plate 21 rivets has several installation columns 23 along the circumferential direction interval arrangement, and the heat insulation plate 3 is opened with several second installation hole 32 corresponding to several installation columns 23;Therefore, using bolt passes through second installation hole 32 and is screwed to installation column 23 can realize the assembly fixed between both.

[0049] Referring to Figs. 3-5It also includes a retaining ring 5 detachably fitted around the bottom outer periphery of the inner liner 11 and a retaining bracket 4 connected and fixed to the retaining ring 5. The heat insulation plate 3 is connected and fixed to the retaining bracket 4. Specifically, the inner liner 11 includes a body part 111, the bottom of which is radially constricted to form a constricted portion 112. The constricted portion 112 has a first arc surface 114. The retaining ring 5 is a plastic retaining ring with a notch 51. The retaining ring 5 has a second arc surface 53 that mates with the first arc surface 114. When it is necessary to assemble the retaining ring 5, it can be pried open through the notch 51 and then fitted onto the outer wall of the constricted portion 112, so that the first arc surface 114 and the second arc surface 53 abut against each other to achieve limiting and fixing.

[0050] The fixing ring 5 has a plurality of spaced second connecting posts 52, and the fixing bracket 4 has a plurality of first connecting posts 41 corresponding to the plurality of second connecting posts 52. The second connecting posts 52 and the first connecting posts 41 are connected and fixed by bolts. In addition, the fixing bracket 4 has a plurality of spaced third mounting holes 42 arranged circumferentially, and the heat insulation plate 3 has a plurality of first mounting holes 31 corresponding to the third mounting holes 42. The third mounting holes 42 and the first mounting holes 31 are connected and fixed by bolts.

[0051] Furthermore, it also includes a second sealing ring 6 fitted on the constricted portion 112, with a stepped surface 113 formed between the body portion 111 of the inner liner 11 and the constricted portion 112, and the second sealing ring 6 abutting against the stepped surface 113; the fixing ring 5 abutting against the second sealing ring 6.

[0052] Therefore, by setting the second sealing ring 6, the risk of wear or even breakage of the inner liner 11 caused by the fixing ring 5 directly contacting the inner liner 11 can be prevented, thus ensuring the safety of the inner liner 11.

[0053] Example 3

[0054] See Fig. 6 The difference between the hot water bottle of this utility model and Embodiment 2 is that the structure of the fixing ring 5 in this embodiment is different from that in Embodiment 2. In this embodiment, the fixing ring 5 is a glued ring, which is located on the outer side of the constricted portion 112 and forms a glue groove with the constricted portion 112. The glue groove is filled with glue to fix the fixing ring 5. The fixing ring 5 is provided with several connecting brackets, and is connected and fixed to the heat insulation plate 3 through the several connecting brackets.

[0055] Therefore, the fixing ring 5 can also be fixed to the outer periphery of the bottom of the inner liner 11 by applying glue, so the fixing bracket 4 can be omitted, and there are no restrictions here.

[0056] In conclusion, the utility model provides a kind of safe and sanitary water bottle with lower water assembly 1 and water bottle, by being located in the clasp 13 of the inner bag 11 outside of the lower inlet pipe 12 on the sleeve setting, the bottom of this lower inlet pipe 12 is equipped with second flanging 122 and second flanging 122 abuts at the bottom surface of clasp 13 and makes the top surface of clasp 13 abut the outer bottom surface of inner bag 11, to realize the limiting fixation of lower inlet pipe 12.Therefore, the fixing mode of adoption above does not need to use glue, and then can avoid generating harmful substance and mixing into liquid, make it more safe and sanitary.

[0057] 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, and therefore cannot be understood as a limitation on the utility model.

[0058] 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.

[0059] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above-mentioned embodiment, 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 principles of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered within the protection scope of the utility model.

Claims

1. A safe and hygienic drain assembly for hot water bottles, characterized in that, include: The inner tank has a water outlet at its bottom; A lower water inlet pipe is installed at the water outlet; A retaining ring, which is sleeved on the lower water inlet pipe and located outside the inner tank; The lower water inlet pipe has a first flange at its top, which is used to attach the lower water inlet pipe to the water outlet. The first flange abuts against the inner bottom surface of the inner liner to restrict the lower water inlet pipe from moving downward. The lower water inlet pipe has a second flange at its bottom, which abuts against the bottom surface of the retaining ring and causes the top surface of the retaining ring to abut against the outer bottom surface of the inner liner to restrict the lower water inlet pipe from moving upward.

2. The drain assembly for a thermos according to claim 1, characterized in that, It also includes a first sealing ring disposed at the water outlet, wherein: The first sealing ring abuts against the lower water inlet pipe and the inner liner respectively to form a waterproof seal; or, the first sealing ring abuts against the lower water inlet pipe, the inner liner and the retaining ring respectively to form a waterproof seal.

3. The drain assembly for a thermos according to claim 2, characterized in that, The first sealing ring includes a first horizontal portion, which is disposed between the first flange and the inner bottom surface of the inner liner to form a waterproof seal; Alternatively, the first sealing ring includes a first horizontal portion and a vertical portion, wherein the first horizontal portion is disposed between the first flange and the inner bottom surface of the inner liner to form a waterproof seal; and the vertical portion is disposed between the outer wall of the lower inlet pipe and the inner wall of the outlet hole to form a waterproof seal. Alternatively, the first sealing ring includes a first horizontal portion, a vertical portion, and a second horizontal portion. The first horizontal portion is disposed between the first flange and the inner bottom surface of the inner liner to form a waterproof seal. The vertical portion is disposed between the outer side wall of the lower water inlet pipe and the inner side wall of the water outlet to form a waterproof seal. The second horizontal portion is disposed between the outer bottom surface of the inner liner and the top surface of the retaining ring to form a waterproof seal.

4. The drain assembly for a thermos according to any one of claims 1-3, characterized in that, It also includes a filter screen installed on the lower water inlet pipe, the filter screen being riveted to the first flange.

5. A thermos, characterized in that, Includes the drain assembly for a thermos as described in any one of claims 1-4.

6. The thermos according to claim 5, characterized in that, It also includes a heating plate disposed at the bottom of the inner liner, the heating plate including a heat transfer plate and a heating tube disposed at the bottom of the heat transfer plate, the upper end surface of the heat transfer plate being in contact with the bottom surface of the inner liner to achieve heat transfer.

7. The thermos according to claim 6, characterized in that, It also includes a heat insulation plate disposed below the inner liner, the heat insulation plate being connected and fixed to the heat transfer plate.

8. The thermos according to claim 7, characterized in that, It also includes a fixing ring that can be detachably fitted around the bottom of the inner liner and a fixing bracket that is connected and fixed to the fixing ring, and the heat insulation plate is connected and fixed to the fixing bracket.

9. The thermos according to claim 8, characterized in that, The inner liner includes a body portion, the bottom of which is radially constricted to form a constricted portion, wherein: The constricted portion is provided with a first arc surface, and the fixing ring is provided with a second arc surface that cooperates with the first arc surface. The fixing ring is sleeved on the outer wall of the constricted portion and the first arc surface and the second arc surface are engaged to achieve limiting and fixing. or, The retaining ring is located on the outer side of the constricted portion and forms a groove between the constricted portion and the constricted portion. The groove is filled with adhesive to fix the retaining ring.

10. The thermos according to claim 9, characterized in that, It also includes a second sealing ring fitted on the constricted portion, a stepped surface is formed between the body portion and the constricted portion, and the second sealing ring abuts against the stepped surface; the fixing ring abuts against the second sealing ring.