Heating body
By incorporating a spiral flow channel and specific inlet/outlet ports into the heating element, the problem of limited application scenarios for the heating element is solved, achieving both efficient heating and enhanced safety.
Patent Information
- Application Number
- CN202520429478.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing heating elements have limited application scenarios. When set horizontally, the water flows too fast, resulting in insufficient heating. When set horizontally, water vapor accumulates, causing the water flow to be uneven, posing safety hazards. Furthermore, the heating wire is prone to dry burning.
A heating element is designed by setting a spirally extending flow channel between the shell and the heating core, and setting an inlet and outlet at specific positions to ensure that the liquid is fully heated in the flow channel, avoid the heating wire from burning dry, and discharge water vapor when set horizontally or at an angle, thereby improving safety.
It achieves efficient heating under different settings, avoids dry burning of the heating element, extends service life, ensures smooth water flow, and improves safety.
Smart Images

Figure CN223807380U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to liquid heating technical field, especially, a kind of heating body. BACKGROUND
[0002] In the heating electric appliance that usually needs continuous output hot water, heating body is used as heat source to heat liquid, and the conventional heating body is mainly composed of shell and heating wire built-in shell, this kind of heating body usually enters water from the bottom of shell, flows through between shell and heating wire and then exits water from the top of shell, uses the gravity of water itself, slows down the speed of water flow, to ensure heating effect. However, the use scene of this kind of heating body is very limited, it can only be used vertically, when it is set horizontally, water flows too fast, leading to insufficient heating, and it is difficult for water in shell to completely cover heating wire, leading to the possibility of dry burning of heating wire, affecting service life. In addition, water vapor will be generated during the heating process of water, when it is set horizontally, water vapor will gather in the upper half of shell, hindering the flow of water, leading to incoherent water outlet, and even possible flow interruption, affecting use experience, and long-term use may also cause the internal pressure to be too large to cause shell rupture, with high safety hazard.
[0003] The technical problem to be solved by the present application is how to solve the problem of single application scene of existing heating body. CONTENT OF THE UTILITY MODEL
[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a heating body, which has the characteristics of good heating effect and good versatility.
[0005] The technical scheme adopted by the utility model is: a heating body, comprising a shell and a heating core built-in the shell, an inner chamber for accommodating the heating core is arranged in the shell, a flow channel is arranged between the inner wall of the inner chamber and the surface of the heating core, the flow channel is spirally arranged on the surface of the heating core along the axial direction of the heating core, a liquid inlet and a liquid outlet are arranged on the shell, the liquid inlet and the liquid outlet are respectively located at two ends of the inner chamber, and the liquid inlet and the liquid outlet are both communicated with the flow channel.
[0006] When the heating body is set horizontally or obliquely, the liquid outlet is arranged above the central axis of the inner chamber.
[0007] When the heating body is set vertically, the liquid inlet is arranged at the bottom of the inner chamber, and the liquid outlet is arranged at the top of the inner chamber.
[0008] The heating body of the utility model, through setting up the spiral extension flow channel between the shell and the heating core, can extend the length of the flow channel in the limited space, thereby prolonging the heating time of the liquid, so that the liquid can be heated fully, and the flow channel surrounds the heating core, can ensure that a layer of liquid film is formed on the surface of the heating core, avoids dry burning of the heating core, can slow down the oxidation speed of the heating core and prolong the service life; when being arranged horizontally or obliquely, the liquid outlet is located above the central axis of the inner chamber, and when being arranged vertically, the liquid outlet is located at the top of the inner chamber, so that the water vapor can be discharged conveniently, air stagnation is avoided, the water can flow out smoothly, the safety can be improved by avoiding excessive pressure in the shell, the heating efficiency of the heating body of the utility model is higher compared with the conventional heating body, and the application scenarios are more extensive.
[0009] In some embodiments, the two ends of the heating core are respectively in abutment with the two ends of the inner chamber.
[0010] The above technical solution can better fix the heating core and avoid axial sliding of the heating core in the inner chamber.
[0011] In some embodiments, the heating core is coaxially arranged with the inner chamber.
[0012] The above technical solution makes the contact between the flow channel and the heating core more uniform and ensures uniform heating of the liquid in the flow channel.
[0013] In some embodiments, the spiral member is further arranged in the inner chamber, the spiral member is spirally arranged on the surface of the heating core along the axial direction of the heating core, and the two sides of the spiral member are in abutment with the surface of the heating core and the inner wall of the inner chamber to form the flow channel.
[0014] The above technical solution ensures the sealing property of the flow channel by making the two sides of the spiral member in abutment with the surface of the heating core and the inner wall of the inner chamber, so that the liquid can flow along the extension direction of the flow channel, the liquid can be heated fully, and the heating core can be protected.
[0015] In some embodiments, the spiral member is integrally formed with the heating core or the shell.
[0016] The above technical solution can reduce the number of parts and facilitate assembly of the parts.
[0017] In some embodiments, the spiral member is a protruding rib protruding from the outer surface of the heating core or the inner wall of the inner chamber.
[0018] In some embodiments, the spiral member is a groove recessed in the outer surface of the heating core and / or the inner wall of the inner chamber.
[0019] In some embodiments, the spiral member is in a split structure with the heating core and the shell.
[0020] According to the technical scheme, each part can be machined and then assembled together, so that the machining difficulty of the parts is reduced.
[0021] In some embodiments, the helical member is connected to the heating core and the shell by welding, bonding or interference fit.
[0022] According to the technical scheme, different ways of fixing the helical member can be selected according to actual needs. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a structural schematic view of the heating body of the first embodiment of the utility model;
[0024] Figure 2 is Figure 1 is a structural schematic view of the heating body in a vertical arrangement state;
[0025] Figure 3 is Figure 1 is a structural schematic view of the heating body in a horizontal arrangement state;
[0026] Figure 4 is Figure 1 is a structural schematic view of the heating body in a horizontal arrangement state;
[0027] Figure 5 is a structural schematic view of the heating body of the second embodiment of the utility model;
[0028] Figure 6 is a structural schematic view of the heating body of the third embodiment of the utility model.
[0029] In the figure: 100, heating body; 10, shell; 11, liquid inlet; 12, liquid outlet; 20, heating core; 30, flow channel; 40, helical member. DETAILED DESCRIPTION
[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0031] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where, when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. Where an element is referred to as being "a" or "one", it means there can be one or more of the element present. The terminology used herein is for the purpose of describing specific embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0032] 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 application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0033] First embodiment:
[0034] Please refer to Figures 1 to 4 A heating body 100 of the first embodiment of the present application comprises a shell 10 and a heating core 20 built in the shell 10. The shell 10 has an inner chamber (not marked in the figure) for accommodating the heating core 20. A flow channel 30 is arranged between the inner wall of the inner chamber and the surface of the heating core 20. The flow channel 30 is spirally arranged on the surface of the heating core 20 along the axial direction of the heating core 20. The shell 10 is provided with a liquid inlet 11 and a liquid outlet 12. The liquid inlet 11 and the liquid outlet 12 are respectively arranged at the two ends of the inner chamber, and both of them are communicated with the flow channel 30. When the heating body 100 is arranged horizontally or obliquely, the liquid outlet 12 is arranged above the central axis of the inner chamber. When the heating body 100 is arranged vertically, the liquid inlet 11 is arranged at the bottom of the inner chamber, and the liquid outlet 12 is arranged at the top of the inner chamber. The heating body 100 of the present application has higher heating efficiency and is more widely applicable compared with the conventional heating body 100.
[0035] In the present embodiment, the two ends of the heating core 20 are respectively abutted with the two ends of the inner chamber, so that the heating core 20 can be better fixed and axial sliding of the heating core 20 in the inner chamber can be avoided.
[0036] Preferably, the heating core 20 is coaxially arranged with the inner chamber. In this way, the contact between the flow channel 30 and the heating core 20 can be more uniform, and the liquid in the flow channel 30 can be uniformly heated.
[0037] Further, the heating body 100 of the present application further comprises a spiral member 40 arranged in the inner chamber, the spiral member 40 spirally arranged on the surface of the heating core 20 along the axial direction of the heating core 20, and the two sides of the spiral member 40 abut against the surface of the heating core 20 and the inner wall of the inner chamber to form the flow channel 30. The two sides of the spiral member 40 abut against the surface of the heating core 20 and the inner wall of the inner chamber, which can ensure the sealing of the flow channel 30, so that the liquid can flow along the extension direction of the flow channel 30, so that the liquid can be fully heated, and at the same time the heating core 20 can be protected, prolonging the service life of the heating core 20.
[0038] Optionally, the spiral member 40 is in a split structure with the heating core 20 and the shell 10. In this way, each part can be machined separately and then assembled together, reducing the difficulty of machining the parts.
[0039] As shown in Figure 4 In the present embodiment, the spiral member 40 is formed by a cylindrical rod spirally arranged. In other embodiments, other cross-sectional shapes of rods can be used, such as rectangular, oval, triangular, or other polygonal shapes.
[0040] Optionally, the spiral member 40 is connected with the heating core 20 and the shell 10 by welding, bonding or interference fit. Different ways of fixing the spiral member 40 can be selected according to actual needs.
[0041] Optionally, a connecting lug is arranged on the surface of the shell 10 to facilitate the installation of the heating body 100.
[0042] The heating body 100 of the present application can extend the length of the flow channel 30 in a limited space by arranging the spiral flow channel 30 between the shell 10 and the heating core 20, thereby prolonging the heating time of the liquid, so that the liquid can be fully heated. Moreover, the flow channel 30 surrounds the heating core 20, which can ensure the formation of a liquid film on the surface of the heating core 20, avoid dry burning of the heating core 20, slow down the oxidation speed of the heating core 20, and prolong the service life. When arranged horizontally or obliquely, the outlet 12 is located above the central axis of the inner chamber, and when arranged vertically, the outlet 12 is located at the top of the inner chamber, which can facilitate the discharge of water vapor, avoid gas accumulation, make the water flow smoothly, and also avoid excessive pressure in the shell 10, improving safety.
[0043] Second embodiment:
[0044] As shown in Figure 5As shown in the figure, it is a heating body 100 of the second embodiment of the utility model, in the embodiment, the structure of the heating body 100 is similar with the heating body 100 structure of the first embodiment, the difference is that the structure of the spiral piece 40 of the embodiment is different from the first embodiment, in the embodiment, the spiral piece 40 is formed by the flat sheet body
[0045] Third embodiment:
[0046] As Figure 6 shown, it is a heating body 100 of the third embodiment of the utility model, in the embodiment, the structure of the heating body 100 is similar with the heating body 100 structure of the first embodiment, the difference is that the structure of the spiral piece 40 of the embodiment is different from the first embodiment, in the embodiment, the spiral piece 40 is integrally formed with the heating core 20, and the spiral piece 40 is the recess and the recess of the outer surface of the heating core 20.The spiral piece 40 integrally formed with the heating core 20 can reduce the number of parts, and facilitate the assembly of parts.
[0047] In other embodiments, the spiral piece 40 can also be a groove recessed in the inner wall of the inner chamber.
[0048] In other embodiments, the spiral piece 40 can also be a groove recessed in the inner wall of the inner chamber and the outer surface of the heating core 20, but the groove on the heating core 20 and the groove of the inner wall of the inner chamber should correspond to each other.
[0049] In other embodiments, the spiral piece 40 can also be integrally formed with the shell 10.
[0050] Optionally, the spiral piece 40 is a convex rib convexly arranged on the outer surface of the heating core 20 or the inner wall of the inner chamber.
[0051] Finally, it should be pointed out that the above-mentioned is only the preferred example of the utility model and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A heating body comprising a case (10) and a heat-generating core (20) built in the case (10), characterized in that, The shell (10) is internally provided with an inner chamber for accommodating a heating core (20), a flow channel (30) is arranged between the inner wall of the inner chamber and the surface of the heating core (20), the flow channel (30) is spirally arranged on the surface of the heating core (20) along the axial direction of the heating core (20), the shell (10) is provided with a liquid inlet (11) and a liquid outlet (12), the liquid inlet (11) and the liquid outlet (12) are respectively located at two ends of the inner chamber, and the liquid inlet (11) and the liquid outlet (12) are in communication with the flow channel (30); When the heating body is horizontally or obliquely arranged, the liquid outlet (12) is arranged above the central axis of the inner chamber; When the heating body is vertically arranged, the liquid inlet (11) is arranged at the bottom of the inner chamber, and the liquid outlet (12) is arranged at the top of the inner chamber.
2. The heating element according to claim 1, characterized in that The two ends of the heating core (20) respectively abut against the two ends of the inner chamber.
3. The heating element according to claim 1, wherein The heating core (20) is coaxially arranged with the inner chamber.
4. The heating element according to claim 1, characterized in that Further comprising a spiral member (40) arranged in the inner chamber, the spiral member (40) is spirally arranged on the surface of the heating core (20) along the axial direction of the heating core (20), and the two sides of the spiral member (40) respectively abut against the surface of the heating core (20) and the inner wall of the inner chamber to form the flow channel (30).
5. The heater as claimed in claim 4, wherein The spiral member (40) is integrally formed with the heating core (20) or the shell (10).
6. The heater as claimed in claim 5, wherein The spiral member (40) is a convex rib arranged on the outer surface of the heating core (20) or the inner wall of the inner chamber.
7. The heater as claimed in claim 5, wherein The spiral member (40) is a groove recessed in the outer surface of the heating core (20) and / or the inner wall of the inner chamber.
8. The heater as claimed in claim 4, wherein The spiral member (40) is in a split structure with the heating core (20) and the shell (10).
9. The heater as claimed in claim 8, characterized in that The spiral member (40) is connected with the heating core (20) and the shell (10) by welding, bonding or interference fit.