Kettle lid and thermos bottle
By designing a detachable lid structure and utilizing a handle connected by a pin hinge and a torsion spring, the problem of dirt accumulation and jamming at the hinge of the thermos lid is solved, achieving higher cleanliness, stability, and convenience, and improving user experience and market competitiveness.
Patent Information
- Application Number
- CN202520055560.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-01-09
AI Technical Summary
The hinge joint between the lid and body of existing thermos flasks is prone to accumulating dirt, making cleaning difficult. After prolonged use, it may become stuck or loose, affecting ease of use and stability.
Design a detachable lid structure with a handle that is hinged by a pin and connected to a torsion spring inside the receiving cavity. Pressing the handle will lift the lid, preventing dirt from accumulating at the hinge and simplifying operation, while improving opening stability and convenience.
It effectively reduces cleaning difficulty, lowers the risk of bacterial growth, improves the stability and convenience of opening the lid, simplifies operation, enhances user experience, and saves product packaging and transportation space.
Smart Images

Figure CN223860703U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of household appliances, specifically to a kettle lid and a thermos. Background Technology
[0002] Currently, thermos flasks have become one of the most commonly used small household appliances in people's daily lives. Existing thermos flasks use a hinged connection to connect the lid to the body, requiring users to flip the lid over to open it.
[0003] However, this hinged connection method still has some shortcomings:
[0004] First, the hinge between the lid and the body of the pot is prone to accumulating dirt and is difficult to clean, which can lead to bacterial growth and pose a potential threat to the user's drinking health.
[0005] Secondly, the hinge between the lid and the body may cause the lid to jam or loosen after prolonged use, affecting the ease and stability of use and making it inconvenient to open by flipping the lid.
[0006] Therefore, there is an urgent need to design a kettle lid and a thermos to overcome the shortcomings of existing technologies. Utility Model Content
[0007] To overcome the shortcomings of the prior art, this utility model provides a kettle lid and a thermos. The lid is detachably installed at the spout, which effectively avoids the problem of dirt accumulation at the hinge of traditional kettle lids, reduces cleaning difficulty, and thus reduces the risk of bacterial growth, helping to maintain the user's drinking health. In use, the user presses the handle and lifts the lid, avoiding the problems of jamming and loosening that occur with the hinge connection, improving the stability and convenience of opening the lid, simplifying operation, and enhancing the user experience.
[0008] The technical solution adopted by this utility model to solve its problem is:
[0009] A kettle lid for a thermos, the thermos having a spout, comprising:
[0010] A lid, which is detachably mounted on the spout, the lid having a receiving cavity and an exhaust port for gas discharge;
[0011] A handle is hinged to the receiving cavity by a pin; a torsion spring is provided at the hinge between the handle and the receiving cavity; when the handle is pressed, the torsion spring provides elastic force to the handle and causes one end of the handle to lift up so as to lift the cover.
[0012] In a preferred embodiment, the bottom of the handle is provided with a connecting seat, the receiving cavity is provided with a mounting hole, and the pin passes through the connecting seat and connects to the mounting hole so that the handle is rotatably connected to the receiving cavity.
[0013] In a preferred embodiment, the receiving cavity is provided with a first step, and when the handle is rotated and its bottom abuts against the first step, the top of the handle is lower than or flush with the top of the cover.
[0014] In a preferred embodiment, the connecting seat is provided with a mounting groove, and the torsion spring is installed in the mounting groove;
[0015] The first step is provided with a first snap-fit groove, the mounting groove is provided with a second snap-fit groove, the torsion spring has a first torsion arm and a second torsion arm, the first torsion arm is snapped into the first snap-fit groove, and the second torsion arm is snapped into the second snap-fit groove.
[0016] In a preferred embodiment, the cover includes a cover plate and an airbag that interlock with each other. The cover plate has the receiving cavity and a first exhaust hole, and the airbag has a second exhaust hole. The first exhaust hole and the second exhaust hole communicate with each other to form the exhaust port.
[0017] In a preferred embodiment, the airbag further includes an inner cover having a protrusion and a groove disposed on the protrusion; the bottom of the airbag has a recess and a protrusion disposed within the recess.
[0018] The protrusion is embedded in the recess, and the recess engages with the protrusion so that the inner cover is installed on the airbag.
[0019] In a preferred embodiment, the device further includes a lid sealing ring, wherein the bottom of the airbag is provided with a second step, and the lid sealing ring is fitted onto the second step;
[0020] The first vent hole is provided with an vent sealing ring, and the lid sealing ring is provided with a sealing protrusion embedded in the second vent hole, and the sealing protrusion abuts against the bottom of the vent sealing ring.
[0021] In a preferred embodiment, the bottom of the airbag is provided with a boss, and the boss is provided with a second exhaust port;
[0022] The sealing protrusion is further provided with a third step. When the sealing protrusion is embedded in the second vent hole, the third step abuts against the protrusion.
[0023] In a preferred embodiment, the sealing protrusion is provided with a third vent hole, which includes a first vent hole, a second vent hole and a third vent hole;
[0024] The exhaust sealing ring has a fourth air hole communicating with the first air hole, a fifth air hole communicating with the second air hole, and a sixth air hole communicating with the third air hole.
[0025] A thermos includes the lid and a body, the body of which has the spout.
[0026] In summary, this utility model has the following technical effects:
[0027] 1. The kettle lid and thermos of this utility model are designed so that the lid can be detachably installed at the spout, which can effectively avoid the problem of dirt accumulating at the hinge of traditional kettle lids, reduce the difficulty of cleaning, and thus reduce the risk of bacterial growth, which helps to maintain the user's drinking health. When in use, the user can press the handle and lift the lid, avoiding the problems of jamming and loosening that occur in the hinge connection, improving the stability and convenience of opening the lid, and also simplifying the operation and enhancing the user experience.
[0028] 2. The handle of this utility model, which is a kettle lid and a thermos, is lower than or flush with the top of the lid, making it simple and beautiful. It effectively reduces the protruding part of the handle, thereby reducing the space occupied by the handle and saving space during the packaging process, making it easier to stack and transport the product. In addition, it also effectively reduces the packaging volume of the product, lowers transportation costs, and enhances the product's market competitiveness. Attached Figure Description
[0029] Figure 1 This is a schematic diagram of the open state of the lid of the kettle according to this utility model;
[0030] Figure 2 This is an exploded view of the lid of the pot according to this utility model;
[0031] Figure 3 This is a schematic diagram of the structure of the lid plate in the kettle lid of this utility model;
[0032] Figure 4 This is a schematic diagram of the handle in the lid of the pot according to this utility model;
[0033] Figure 5 This is a schematic diagram of the torsion spring in the lid of the pot according to this utility model;
[0034] Figure 6 This is a schematic diagram of the air bladder in the lid of the kettle of this utility model;
[0035] Figure 7 This is a schematic diagram of the structure of the inner lid in the kettle lid of this utility model;
[0036] Figure 8 This is a schematic diagram of the structure of the sealing ring in the lid of the pot according to this utility model;
[0037] Figure 9 This is a schematic diagram of the exhaust sealing ring in the lid of this utility model.
[0038] The meanings of the reference numerals in the attached figures are as follows:
[0039] 1. Cover body; 11. Cover plate; 111. Receiving cavity; 112. Mounting hole; 113. First snap-fit groove; 114. First vent hole; 115. Support protrusion; 116. First step; 12. Airbag; 121. Second step; 122. Second vent hole; 123. Recess; 1231. Protrusion; 124. Boss; 13. Vent; 2. Handle; 21. Connecting seat; 22. Mounting groove; 23. Second snap-fit groove; 24. Anti-slip groove; 2 5. Anti-slip protrusion; 3. Pin; 4. Torsion spring; 41. First torsion arm; 42. Second torsion arm; 5. Exhaust cap; 6. Exhaust sealing ring; 61. Fourth vent; 62. Fifth vent; 63. Sixth vent; 7. Inner cover; 71. Protrusion; 711. Groove; 72. Raised edge; 8. Lid sealing ring; 81. Sealing protrusion; 811. Third step; 82. First vent; 83. Second vent; 84. Third vent; 9. Kettle body; 91. Spout. Detailed Implementation
[0040] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.
[0041] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this 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 this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
[0043] like Figure 1-9The illustration shows a kettle lid for use with a thermos. The thermos has a spout 91 and includes a lid body 1 and a handle 2. The lid body 1 is detachably mounted on the spout 91 and has a receiving cavity 111 and an exhaust port 13 for gas discharge. The handle 2 is hinged to the receiving cavity 111 by a pin, and a torsion spring 4 is provided at the hinge between the handle 2 and the receiving cavity 111. When the handle 2 is pressed, the torsion spring 4 provides elastic force to the handle 2 and causes one end of the handle 2 to lift up the lid body 1.
[0044] Based on the above structure, when using the lid of this utility model, the user can press the handle 2. Under the elastic force of the torsion spring 4, the handle 2 rotates around the pin 3, and one end of the handle 2 lifts up so that the user can lift the lid 1 and take it out from the spout 91. This effectively avoids the problem of dirt accumulating at the hinge of traditional lids, reduces the difficulty of cleaning, and thus reduces the risk of bacterial growth, helping to maintain the user's drinking health. Secondly, by pressing the handle 2 and lifting the lid 1, the user can effectively avoid the problems of jamming and loosening in the hinge connection, improve the stability and convenience of opening the lid 1, simplify the operation, and enhance the user experience.
[0045] It should be noted that, in its natural state, the top of the handle 2 is either flush with or lower than the top of the cover 1.
[0046] See Figure 3-5 The bottom of the handle 2 is provided with a connecting seat 21, and the receiving cavity 111 is provided with a mounting hole 112. The pin 3 passes through the connecting seat 21 and connects with the mounting hole 112 so that the handle 2 is rotatably connected to the receiving cavity 111.
[0047] It should be noted that, in this embodiment, the receiving cavity 111 is also provided with a support protrusion 115 for abutting against the connecting seat 21 and for facilitating the pin 3 to connect with the mounting hole 112 after passing through the connecting seat 21.
[0048] Specifically, the cavity 111 is provided with a first step 116. When the handle 2 is rotated and its bottom abuts against the first step 116, the top of the handle 2 is lower than or flush with the top of the cover 1, which is simple and beautiful, thereby reducing the space occupied by the handle 2 and saving space in the packaging process, and facilitating the stacking and transportation of products.
[0049] More specifically, the connecting seat 21 has a mounting groove 22, and the torsion spring 4 is installed in the mounting groove 22; the first step 116 has a first snap-fit groove 113, and the mounting groove 22 has a second snap-fit groove 23. The torsion spring 4 has a first torsion arm 41 and a second torsion arm 42. The first torsion arm 41 is snapped into the first snap-fit groove 113, and the second torsion arm 42 is snapped into the second snap-fit groove 23, thereby improving the firmness of the installation of the torsion spring 4 and providing a lifting elastic force for the handle 2.
[0050] See Figure 2 The cover 1 includes a cover plate 11 and an air bladder 12 that interlock with each other. The cover plate 11 has a receiving cavity 111 and a first vent 114. The air bladder 12 has a second vent 122. The first vent 114 and the second vent 122 communicate with each other to form an exhaust port 13 for gas discharge, so that hot air or water vapor inside the hot water bottle can be discharged to the outside.
[0051] It should be noted that, in this embodiment, the cover plate 11 is provided with an exhaust cover 5 located at the first exhaust hole 114 and used to prevent foreign objects from falling into the exhaust port 13.
[0052] See Figure 6-7 The lid of this utility model also includes an inner lid 7, which has a protrusion 71 and a groove 711 on the protrusion 71; the bottom of the airbag 12 has a recess 123 and a protrusion 1231 in the recess 123; the protrusion 71 is embedded in the recess 123, and the groove 711 is engaged with the protrusion 1231, so that the inner lid 7 is installed on the bottom of the airbag 12.
[0053] Specifically, in this embodiment, the bottom of the inner cover 7 is also provided with a protruding edge 72. When the inner cover 7 is installed at the bottom of the airbag 12, the protruding edge 72 abuts against the bottom of the airbag 12, thereby improving the firmness of the connection between the inner cover 7 and the airbag 12, and also providing a certain limiting effect when the protrusion 71 is embedded in the recess 123.
[0054] See Figure 8-9 The kettle lid of this utility model also includes a kettle lid sealing ring 8. The bottom of the airbag 12 is provided with a second step 121, and the kettle lid sealing ring 8 is sleeved on the second step 121. The first exhaust hole 114 is provided with an exhaust sealing ring 6. The kettle lid sealing ring 8 is provided with a sealing protrusion 81 embedded in the second exhaust hole 122, and the sealing protrusion 81 abuts against the bottom of the exhaust sealing ring 6.
[0055] In this embodiment, the bottom of the airbag 12 is provided with a boss 124, and a second exhaust hole 122 is provided on the boss 124; the sealing protrusion 81 is also provided with a third step 811. When the sealing protrusion 81 is embedded in the second exhaust hole 122, the third step 811 abuts against the boss 124, thereby improving the stability of the connection between the sealing protrusion 81 and the second exhaust hole 122, and providing a certain limiting effect when the sealing protrusion 81 is embedded in the second exhaust hole 122.
[0056] In this embodiment, a third vent hole is provided on the sealing protrusion 81, which includes a first vent hole 82, a second vent hole 83, and a third vent hole 84; the vent sealing ring 6 is provided with a fourth vent hole 61 communicating with the first vent hole 82, a fifth vent hole 62 communicating with the second vent hole 83, and a sixth vent hole 63 communicating with the third vent hole 84, realizing multiple venting paths, effectively improving venting efficiency, reducing the possible retention or accumulation of gas in the seal, and also enhancing the sealing performance, reducing pressure changes or leakage problems caused by gas accumulation, thereby improving the safety and service life of the product.
[0057] Furthermore, in this embodiment, the top of the handle 2 is provided with an anti-slip groove 24 and the bottom of the handle 2 is provided with an anti-slip protrusion 25, so that the user can grab the handle 2 and lift the cover 1.
[0058] In addition, this utility model also provides a hot water bottle, including the above-mentioned lid and a body 9. The body 9 has an opening 91, and the lid 1 is placed inside the opening 91. When in use, the user can press the handle 2 and lift one end of the handle 2 so that the user can lift the lid 1 and take it out from the opening 91, thereby opening the opening 91.
[0059] In summary, the kettle lid and thermos of this utility model, with the lid body 1 detachably installed at the kettle mouth 91, effectively avoids the problem of dirt accumulation at the hinge joint of traditional kettle lids, reduces cleaning difficulty, thereby reducing the risk of bacterial growth and helping to maintain the user's drinking health. When in use, the user presses the handle 2 and lifts the lid, avoiding the problems of jamming and loosening that occur in the hinge connection, improving the stability and convenience of opening the lid body 1, and also simplifying the operation and enhancing the user experience.
[0060] The above-mentioned kettle lid and hot water bottle have a handle 2 whose top is lower than or flush with the top of the lid body 1, which is simple and beautiful. It effectively reduces the protruding part of the handle 2, thereby reducing the space occupied by the handle 2 and saving space in the packaging process, which facilitates product stacking and transportation. In addition, it also effectively reduces the packaging volume of the product, lowers transportation costs, and enhances the market competitiveness of the product.
[0061] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on the other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.
[0062] It should be understood that the terms "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0063] Furthermore, in the description of this utility model, "multiple" and "several" mean two or more, unless otherwise explicitly specified.
[0064] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.
Claims
1. A kettle lid for a thermos, the thermos having a spout, characterized in that, include: A lid, which is detachably mounted on the spout, the lid having a receiving cavity and an exhaust port for gas discharge; A handle is hinged to the receiving cavity by a pin; a torsion spring is provided at the hinge between the handle and the receiving cavity; when the handle is pressed, the torsion spring provides elastic force to the handle and causes one end of the handle to lift up the cover.
2. The lid according to claim 1, characterized in that, The bottom of the handle is provided with a connecting seat, and the receiving cavity is provided with a mounting hole. The pin passes through the connecting seat and connects with the mounting hole so that the handle is rotatably connected to the receiving cavity.
3. The lid according to claim 2, characterized in that, The cavity is provided with a first step. When the handle is rotated and its bottom abuts against the first step, the top of the handle is lower than or flush with the top of the cover.
4. The lid according to claim 3, characterized in that, The connecting seat has a mounting groove, and the torsion spring is installed in the mounting groove; The first step is provided with a first snap-fit groove, the mounting groove is provided with a second snap-fit groove, the torsion spring has a first torsion arm and a second torsion arm, the first torsion arm is snapped into the first snap-fit groove, and the second torsion arm is snapped into the second snap-fit groove.
5. The lid according to claim 1, characterized in that, The cover includes a cover plate and an airbag that interlock with each other. The cover plate has the receiving cavity and a first exhaust hole, and the airbag has a second exhaust hole. The first exhaust hole and the second exhaust hole communicate with each other to form the exhaust port.
6. The lid according to claim 5, characterized in that, It also includes an inner cover, which has a protrusion and a groove on the protrusion; the bottom of the airbag has a recess and a protrusion in the recess; The protrusion is embedded in the recess, and the recess engages with the protrusion so that the inner cover is installed on the airbag.
7. The lid according to claim 6, characterized in that, It also includes a lid sealing ring, and the bottom of the airbag is provided with a second step, on which the lid sealing ring is fitted; The first vent hole is provided with an vent sealing ring, and the lid sealing ring is provided with a sealing protrusion embedded in the second vent hole, and the sealing protrusion abuts against the bottom of the vent sealing ring.
8. The lid according to claim 7, characterized in that, The bottom of the airbag is provided with a boss, and the second exhaust hole is provided on the boss; The sealing protrusion is further provided with a third step. When the sealing protrusion is embedded in the second vent hole, the third step abuts against the protrusion.
9. The lid according to claim 8, characterized in that, The sealing protrusion is provided with a third vent hole, which includes a first vent hole, a second vent hole and a third vent hole; The exhaust sealing ring has a fourth air hole communicating with the first air hole, a fifth air hole communicating with the second air hole, and a sixth air hole communicating with the third air hole.
10. A thermos, comprising the lid according to any one of claims 1-9, characterized in that, It also includes a pot body, on which the spout is provided.