A clamp mechanism for a liquid heater and a liquid heater
By connecting the integral ring clamp to the main body of the kettle through the snap-fit groove, the problems of complex clamp structure and high cost in liquid heaters are solved, achieving higher installation accuracy and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO SHANGYI ELECTRIC CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-09
AI Technical Summary
In existing liquid heaters, the clamp structure of the kettle body is complex, resulting in poor fit between the heating plate assembly and the bottom of the kettle body, and high production costs.
The device uses an integral ring clamp, which is connected to the body of the kettle through the clamping groove to form a tight fixation, reducing the gap between movements. The clamping ribs are formed by welding or rolling processes, which reduces costs.
The installation accuracy and tightness of the heating plate assembly and the kettle body have been improved, the clamp structure has been simplified, and the production cost has been reduced.
Smart Images

Figure CN224330808U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of water boiling appliances, and specifically to a clamping mechanism for a liquid heater and a liquid heater. Background Technology
[0002] In electric kettles, bottle warmers, and other liquid heating applications, the heating element assembly and the kettle body are connected by clamps to fix their positions. For example, the publication document with publication number CN219720401U provides a glass electric kettle in which the heating element is fixed by a kettle body clamp (15) or an upper coupler (13).
[0003] In the existing technology, the kettle body clamp adopts a split structure for movable clamp connection. Since the clamp structure needs to reserve space for movable buckle connection, there is a gap between the kettle body clamp and the kettle body to maintain the gap of buckle connection. This can easily lead to the technical problem of poor tightness of the bottom of the heating plate assembly and the kettle body. In addition, the clamp structure is complex, which leads to the technical problem of increased production cost. Therefore, it needs to be improved. Utility Model Content
[0004] To overcome the problems existing in the related technologies, this utility model provides a clamping mechanism for a liquid heater and a liquid heater, so as to solve the technical problems of insufficient clamping connection and high cost.
[0005] According to a first aspect of the present invention, a clamping mechanism for a liquid heater is provided. The liquid heater includes a body, the body having a recessed snap-fit groove; the clamping mechanism includes an annular clamping member.
[0006] The clamp surrounds the body of the kettle and has a clamp rib that snaps into the snap-fit groove.
[0007] In one embodiment, the clamp includes an annular portion and a plurality of welding notches spaced apart in the annular portion. The clamp also includes an arc-shaped bending snap rod, which is welded to the clamp to form a clamp rib. The welding positions of the clamp rib are distributed at the welding notches.
[0008] In one embodiment, the clamp includes an annular portion, at least a portion of which is bent toward the snap-fit groove to form a clamp rib.
[0009] In one embodiment, the annular portion is fastened to the body of the kettle, and the end of the annular portion is rolled and bent to form a clamping rib.
[0010] In one embodiment, the annular portion has at least one stepped portion.
[0011] In one embodiment, the inner side of the clamp protrudes to form an inner support ring, and a heating space is formed between the inner support ring and the bottom of the kettle body, the heating space being used to install the heating plate assembly.
[0012] In one embodiment, the inner support ring includes at least two spaced-apart connection holes for attaching a bottom shell of a liquid heater.
[0013] In one embodiment, the clamping mechanism further includes an elastic sleeve fitted onto the body of the kettle, and the clamping member tightly connects to the elastic sleeve.
[0014] The second aspect of this utility model discloses a liquid heater, which includes a kettle body device. The kettle body device includes a heating plate assembly, a bottom shell, and a connector assembly installed on the bottom shell. The kettle body device also includes a clamping mechanism as described above. The heating plate assembly abuts against the bottom of the kettle body through the clamping mechanism, and the bottom shell is connected to the clamping mechanism.
[0015] In one embodiment, the body of the kettle is made of glass.
[0016] The technical solution provided by the embodiments of this utility model can include the following beneficial effects: the clamp mechanism is a ring-shaped structural component, and the integral clamp is connected to the main body of the kettle, thereby reducing the movement gap between the clamp mechanism and the main body of the kettle, thus improving the installation accuracy. The clamp component is limited to the snap-fit groove by the clamp rib, which circumferentially limits the main body of the kettle, eliminating the need for an additional snap-fit structure and reducing costs. Attached Figure Description
[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.
[0018] Figure 1 This is a schematic diagram of the structure of the kettle body device according to one embodiment.
[0019] Figure 2 This is a partial cross-sectional schematic diagram of the kettle body device according to an embodiment.
[0020] Figure 3 yes Figure 2 An enlarged schematic diagram of a clamping mechanism at point A.
[0021] Figure 4 yes Figure 2 An enlarged schematic diagram of another clamping mechanism at point A.
[0022] Figure 5 This is a schematic diagram of the exploded structure of a kettle body device according to an embodiment.
[0023] Figure 6 This is a schematic diagram illustrating a clamp component according to one embodiment.
[0024] Figure 7 This is a schematic diagram of a liquid heater according to one embodiment.
[0025] In the figure, the kettle body device 10; the kettle body 11; the snap-fit groove 111; the clamp 12; the ring part 121; the step part 122; the inner support ring 123; the snap-fit rod 124; the clamp rib 125; the welding notch 126; the connecting hole 127; the elastic sleeve 13; the heating plate assembly 14; the bottom shell 15; the connector assembly 16; and the base device 20. Detailed Implementation
[0026] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this utility model. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0027] like Figures 1 to 4 As shown, this utility model provides a clamping mechanism for a liquid heater. The liquid heater includes a body 11 for containing liquid. The body 11 is provided with a concave locking groove 111, which is located near the bottom of the body 11. Preferably, the locking groove 111 is an annular concave structure.
[0028] The clamping mechanism includes a ring-shaped clamping component 12; the clamping component 12 is an integral ring structure and is adapted to the bottom of the kettle body 11. The clamping component 12 is fitted onto the kettle body 11, and is wrapped around the periphery of the locking groove 111 and covers the opening of the locking groove 111.
[0029] The clamp component 12 has a clamping rib 125 formed therein, which snaps into the snap-fit groove 111 to connect the clamp mechanism to the kettle body 11. The clamp mechanism holds the heating plate assembly 14 against the bottom of the kettle body 11, and then the clamping rib 125 snaps into the snap-fit groove 111 to support and connect the heating plate assembly 14, maintaining the accuracy of the installation position.
[0030] Among them, the 125 clamping bar is formed by subsequent processing.
[0031] like Figure 2 and Figure 3 As shown, in one embodiment, the clamp 12 includes an annular portion 121 and a plurality of welding notches 126 spaced apart from the annular portion 121. The clamp 12 also includes an arc-shaped bending clamping rod 124. The clamping rod 124 is welded to the clamp 12 to form a clamping rib 125, and the welding positions of the clamping rib 125 are distributed at the welding notches 126.
[0032] The snap-fit rod 124 is a columnar structure, such as iron wire, steel wire, or other metal rod. The annular portion 121 is an annular tubular part of the clamp 12 fitted onto the opening area of the snap-fit groove 111, wherein the snap-fit rod 124 is located within the snap-fit groove 111. During welding, when the annular portion 121 and the body 11 are assembled into place, part of the snap-fit rod 124 is located at the welding notch 126.
[0033] The snap-fit rod 124 is welded and fixed to the annular portion 121 using welding equipment, with the weld located at the welding notch 126, so that the snap-fit rod 124 and the annular portion 121 are fixed together. The snap-fit rod 124 forms a snap-fit rib 125 structure, thereby snapping the clamp 12 and the body 11 of the pot together.
[0034] Optionally, the welding notches 126 are evenly distributed along the annular portion 121. The number of welding notches 126 may include two, three, four, five, six, or eight.
[0035] The relative positions of the snap rod 124 and the ring part 121 can be adjusted before welding, thereby adjusting the snap position of the clamping rib 125 according to the assembly position requirements of the heating plate assembly 14. The clamping accuracy is high and it can be adapted to heating plate assemblies 14 with different assembly requirements.
[0036] like Figure 2 , Figures 4 to 6 As shown, in another embodiment, the clamp 12 includes an annular portion 121, at least a portion of which is bent toward the engagement groove 111 to form a clamping rib 125. The annular portion 121 is fitted onto the bottom of the body 11 and surrounds and covers the opening of the engagement groove 111. The annular portion 121 is partially deformed and protrudes toward the engagement groove 111, and the protruding portion of the annular portion 121 engages with the engagement groove 111 to form the clamping rib 125.
[0037] Preferably, the clamping rib 125 is a localized multi-point protrusion structure, which defines the snap-fit groove 111 by multiple points of engagement. For example, multiple indentations are provided at intervals around the annular portion 121, and the indentations are pressed toward the snap-fit groove 111 to engage and define the multi-point clamping rib 125 and the snap-fit groove 111.
[0038] Preferably, the clamping rib 125 has an annular protrusion structure to form an annular snap-fit groove 111. For example, pressure is applied to the end or middle of the annular portion 121 to make the annular portion 121 protrude inward toward the snap-fit groove 111, so as to snap and define the annular clamping rib 125 and the snap-fit groove 111.
[0039] In a preferred embodiment, the annular portion 121 is fastened to the body 11 of the pot, and the end of the annular portion 121 is rolled and bent to form a clamping rib 125.
[0040] The annular portion 121 is fastened to the main body 11 of the kettle body to assemble and position the clamping part 12, the heating plate assembly 14, and the main body 11 of the kettle body, so as to adjust the connection position and adapt to the heating plate assembly 14 with different assembly requirements. Then, the end of the annular portion 121 is rolled and deformed by a rolling process, so that the clamping rib 125 is tightly engaged with the engaging groove 111, thereby improving the engagement accuracy and tightness.
[0041] In addition, the clamping bar 125 is made by rolling the annular part 121 itself, eliminating the need for additional clamping structures and reducing costs.
[0042] Preferably, the annular portion 121 has at least one stepped portion 122. The stepped structure of the annular portion 121 allows for precise positioning of the clamping member 12 relative to the main body 11, improving assembly accuracy and uniformity. The stepped portion 122 of the clamping member 12 has a small diameter and a large diameter, with the large diameter fitting around the bottom of the main body 11. The stepped surface between the small and large diameters abuts against the end face of the main body 11; alternatively, the stepped surface between the small and large diameters abuts against the end face of the heating plate assembly 14, thus forming a stepped surface positioning.
[0043] Based on the above embodiment, the inner side of the clamp 12 protrudes to form an inner support ring 123, and a heating space is formed between the inner support ring 123 and the bottom of the kettle body 11. The heating space is used to install the heating plate assembly 14. The inner support ring 123 is a flange structure with the annular portion 121 bent inward. A tray structure is formed between the inner support ring 123 and the annular portion 121. The inner diameter of the inner support ring 123 is smaller than the inner diameter of the annular portion 121. The heating space is used to accommodate the heating plate assembly 14. The inner support ring 123 can support the heating plate assembly 14. The wiring part of the heating plate assembly 14 passes through the middle space of the inner support ring 123.
[0044] The clamp 12 is connected and fixed to the body 11. Furthermore, the inner support ring 123 includes at least two spaced-apart connecting holes 127 for attaching the bottom shell 15 of the liquid heater. The inner support ring 123 serves as the connection point for the bottom shell 15, allowing the bottom shell 15 to be connected to the body 11 via the clamp 12, thus simplifying the connection structure.
[0045] Optionally, the connecting hole 127 is configured as a threaded hole or the inner support ring 123 is welded to fix a nut. The fastener passes through the bottom shell 15 and locks to the connecting hole 127 to fix the bottom shell 15 to the inner support ring 123. Preferably, the bottom shell 15 covers the clamping mechanism and the bottom of the kettle body 11.
[0046] Based on the above embodiments, the clamping mechanism further includes an elastic sleeve 13 fitted onto the body 11 of the kettle, with the clamping member 12 clamping the elastic sleeve 13 tightly. The elastic sleeve 13 is made of elastic material and is fitted onto the body 11 of the kettle to separate the clamping member 12 from the body 11 of the kettle.
[0047] The elastic sleeve 13 is tensioned and fitted onto the outer side of the body 11 of the kettle, and is recessed inward at the corresponding snap-fit groove 111. The clamp 12 is clamped to the outer side of the elastic sleeve 13 at the snap-fit groove 111 to form an elastic buffer and sealing connection. The elastic sleeve 13 is made of a high-temperature resistant elastic material.
[0048] The clamping mechanism disclosed in the above embodiments is applied to a liquid heater, wherein the liquid heater includes a pot body device 10, the pot body device 10 includes a heating plate assembly 14, a bottom shell 15, and a connector assembly 16 installed on the bottom shell 15.
[0049] An elastic sleeve 13 is fitted onto the bottom side of the kettle body 11, and the heating plate assembly 14 is fitted against the bottom of the kettle body 11. A clamp 12 is fastened to the kettle body 11, and the heating plate assembly 14 is located within the fastening range of the clamp 12 and is constrained by the inner support ring 123 of the clamp 12. The clamp 12 is fixedly connected to the kettle body 11 by adjusting the welding position of the clamping rod 124; or by rolling the annular portion 121 to achieve rolling fixation.
[0050] The heating plate assembly 14 is abutted against the bottom of the kettle body 11 by the clamp 12 to form a compatible assembly connection, maintaining a tight fit between the heating plate assembly 14 and the kettle body 11. The clamp 12 is an integral ring structure, and the product cost is reduced through process improvement. The bottom shell 15 is connected to the clamp 12, which can be easily assembled to the kettle body 11, reducing the assembly difficulty.
[0051] The connector assembly 16 is used to connect a power source to power the heating plate assembly 14.
[0052] like Figures 1 to 2 , Figure 7 As shown, in one embodiment, the liquid heater further includes a base device 20 for supporting the kettle body device 10 and electrically connected to the connector assembly 16.
[0053] Preferably, the base device 20 is provided with a mounting groove for positioning the kettle body device 10.
[0054] In a preferred embodiment, the body 11 of the kettle is made of glass. The body 11 is made of a single piece of glass, thus forming an integral structure.
[0055] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of this application and include common knowledge or customary technical means in the art that are not disclosed in this invention.
Claims
1. A clamp mechanism for a liquid heater, the liquid heater comprising a kettle body, the kettle body being provided with an inwardly recessed clamping groove; characterised in that: The clamp mechanism includes a ring-shaped clamp component; The clamp surrounds the main body of the kettle and is formed with clamp ribs that snap into the snap-fit groove.
2. The clamp mechanism of claim 1, wherein, The clamp component includes an annular portion and multiple welding notches spaced apart on the annular portion. The clamp component also includes an arc-shaped bent clamping rod, which is welded to the clamp component to form a clamping rib. The clamping rib is welded at the welding notches.
3. The clamping mechanism of claim 1, wherein, The clamp includes an annular portion, at least a portion of which is bent toward the snap-fit groove to form a clamp rib.
4. The clamp mechanism of claim 3, wherein, The annular portion is fastened to the main body of the kettle, and the end of the annular portion is rolled and bent to form a clamping rib.
5. The clamp mechanism of any one of claims 2 to 4, wherein, The annular portion has at least one stepped portion.
6. The clamp mechanism of any one of claims 1 to 4, wherein, The inner side of the clamp protrudes to form an inner support ring, and a heating space is formed between the inner support ring and the bottom of the kettle body. The heating space is used to install the heating plate assembly.
7. The clamp mechanism of claim 6, wherein, The inner support ring includes at least two spaced-apart connection holes for attaching the bottom shell of the liquid heater.
8. The clamp mechanism of any one of claims 1 to 4, wherein, The clamping mechanism also includes an elastic sleeve fitted onto the body of the kettle, and the clamping component tightly connects to the elastic sleeve.
9. A liquid heater comprising a body assembly, said body assembly comprising a heating plate assembly, a base and a connector assembly mounted to said base, characterised in that, The kettle body device further includes a clamping mechanism as described in any one of claims 1 to 8, wherein the heating plate assembly abuts against the bottom of the kettle body via the clamping member, and the bottom shell is connected to the clamping member.
10. The liquid heater of claim 9, wherein, The main body of the kettle is made of glass.