Skirting line electric heater

By combining a detachable blade design with an arc-shaped connecting plate, the problems of difficult maintenance and structural instability of the fan assembly of the skirting board electric heater are solved, making it easy to maintain and replace, improving airflow uniformity and heat dissipation efficiency, and extending service life.

CN223623119UActive Publication Date: 2025-12-02HENAN ZHONGHUANG ENERGY SAVING ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202423089994.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-02
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

The fans of existing skirting board electric heaters are inconvenient to maintain and have poor structural strength and stability, making blade replacement and maintenance difficult, which affects service life and heat dissipation efficiency.

Method used

The design features detachable blades, with mounting grooves and arc-shaped connecting plates on the shaft and triangular reinforcing plates to enhance connection strength. A detachable protective cover is also provided on the housing assembly to ensure airflow uniformity and structural stability.

Benefits of technology

This design enables easy maintenance and replacement of fan components, improves airflow disturbance efficiency, enhances structural stability and service life, while reducing noise and optimizing heat dissipation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric heaters, in particular to a skirting line electric heater. Comprising a shell assembly and an electric heating piece arranged in the shell assembly, a fan assembly used for disturbing airflow is further arranged in the shell assembly, the fan assembly is arranged below the electric heating piece, the fan assembly comprises a rotating shaft rotationally arranged below the electric heating piece, and the rotating shaft is fixedly sleeved with a connecting sleeve; mounting grooves distributed in the axial direction of the connecting sleeve are formed in the outer surface of the connecting sleeve in the circumferential direction, blades are detachably arranged in the mounting grooves, and a power piece used for driving the rotating shaft to rotate is arranged on the shell assembly. The shell assembly comprises a shell, an upper end cover detachably arranged above the shell and a lower end cover detachably arranged at the lower end of the shell, barrier holes are formed in the upper end cover and the lower end cover, and detachable protective covers are arranged on the upper surface of the upper end cover and the lower surface of the lower end cover. The air flow disturbance efficiency is improved, the air flow uniformity is enhanced, the heat dissipation effect is optimized, and meanwhile later cleaning and maintenance are facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of electric heater technology, specifically to a skirting board electric heater. Background Technology

[0002] Baseboard heaters are efficient and comfortable heating devices, typically featuring a flat design that allows for easy placement in corners or on the floor without taking up much indoor space, making them suitable for various home environments. Existing baseboard heaters, in order to improve heat dissipation efficiency, often use a combination of heating elements and a fan. However, the fan's operation results in limited airflow turbulence, making it prone to localized overheating or insufficient airflow. Long-shaft fan assemblies often use fixed blade structures, making blade replacement and maintenance difficult. Damaged blades or the need for cleaning require disassembling the entire fan assembly, increasing maintenance costs and time. Furthermore, the blade structure lacks sufficient strength and stability, especially during high-speed rotation, where the stress and impact can easily cause wear and fatigue at the joints, shortening the lifespan of the fan assembly. Utility Model Content

[0003] This utility model provides a skirting board electric heater to solve the technical problems of inconvenient maintenance of the internal fan and poor structural strength and stability in existing skirting board electric heaters.

[0004] To solve the above problems, the skirting board electric heater provided by this utility model adopts the following technical solution:

[0005] The device includes a housing assembly and an electric heating element disposed within the housing assembly. The housing assembly also includes a fan assembly for agitating airflow, which is located below the electric heating element. The fan assembly includes a rotating shaft rotatably disposed below the electric heating element. A connecting sleeve is fixedly sleeved on the rotating shaft. The outer surface of the connecting sleeve is circumferentially provided with mounting grooves distributed along its axial direction. Blades are detachably disposed within the mounting grooves. The housing assembly is provided with a power component for driving the rotating shaft to rotate.

[0006] The housing assembly includes an outer shell, a detachable upper cover located above the outer shell, and a detachable lower cover located at the lower end of the outer shell. Both the upper and lower covers have grating holes, and both the upper surface of the upper cover and the lower surface of the lower cover are provided with detachable protective covers.

[0007] Furthermore, the bottom of the blade is fitted into the mounting groove, and arc-shaped connecting plates are provided on both sides of the blade near the bottom. The lower surface of the arc-shaped connecting plate is in contact with the outer surface of the connecting sleeve. The arc-shaped connecting plate is provided with threaded connecting holes, and the connecting sleeve is provided with threaded mounting holes corresponding to the threaded connecting holes.

[0008] Furthermore, a triangular reinforcing plate is provided at the connection between the arc-shaped connecting plate and the blade, and the bottom surface of the triangular reinforcing plate is a concave arc surface that matches the upper surface of the arc-shaped connecting plate.

[0009] Furthermore, the blade is provided with noise reduction holes, which are a plurality of holes distributed along its length.

[0010] Furthermore, both the upper and lower end caps are fixed to the outer casing by bolts.

[0011] Furthermore, T-shaped connecting blocks are provided on both sides of the bottom end of the protective cover, and T-shaped slots that cooperate with the T-shaped connecting blocks are provided on the upper surface of the upper cover and the lower surface of the lower cover.

[0012] Furthermore, the protective cover is a flat baffle, which is in close contact with the upper surface of the upper cover or the lower surface of the lower cover.

[0013] Furthermore, the protective cover is a dustproof mesh plate, and a gap is left between the dustproof mesh plate and the upper surface of the upper cover or the lower surface of the lower cover.

[0014] The beneficial effects of this utility model are:

[0015] 1. In this invention, the blades distributed along the axial direction of the rotating shaft create a wide disturbance area, ensuring that the airflow, after being heated by the electric heating element, can be evenly dissipated from the housing assembly. This avoids localized overheating or insufficient airflow, improving airflow disturbance efficiency, enhancing airflow uniformity, and optimizing heat dissipation. Furthermore, the blades are detachably mounted on the connecting sleeve via mounting slots, making it easier to replace or maintain the fan assembly blades. When blades are damaged or require cleaning, they can be easily removed from the mounting slots for necessary repair or replacement.

[0016] 2. In this invention, a stable connection is formed between the arc-shaped connecting plate and the connecting sleeve. This increases the connection strength, improving the reliability and safety of the entire wind turbine assembly. Furthermore, it enhances the structural strength at the blade-connecting sleeve mating point. The arc-shaped connecting plate not only provides additional connection area but also disperses the stress and impact generated during blade rotation through its arc design. This also helps reduce wear and fatigue at the blade-connecting sleeve connection, extending the service life of the wind turbine assembly. Additionally, the triangular reinforcing plate strengthens the structural strength at the connection between the arc-shaped connecting plate and the blade, providing an additional support point and thus enhancing the overall structural stability.

[0017] 3. In this utility model, the protective plate structure meets different needs. The flat baffle provides comprehensive protection and dustproof effect, while the dustproof mesh plate effectively blocks dust and debris while maintaining ventilation performance, thus improving the flexibility of use. Attached Figure Description

[0018] The above and other objects, features, and advantages of the present invention will become readily understood by reading the following detailed description of exemplary embodiments with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:

[0019] Figure 1 This is a schematic diagram of the structure of the skirting board electric heater of this utility model;

[0020] Figure 2 This is a cross-sectional schematic diagram of the skirting board electric heater of this utility model;

[0021] Figure 3 for Figure 2 A magnified view of a portion of region A in the middle;

[0022] Figure 4 for Figure 2 A magnified view of a portion of region B in the middle;

[0023] Figure 5 One of the side views of this utility model with the protective cover installed;

[0024] Figure 6 for Figure 5 A magnified view of a portion of region C in the middle;

[0025] Figure 7 The second side view of the present invention with the protective cover installed.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Housing assembly; 11. Outer shell; 12. Upper end cover; 121. Grille hole; 122. T-shaped slot; 13. Lower end cover; 14. Protective cover; 141. T-shaped connecting block; 2. Electric heating element; 3. Fan assembly; 31. Rotating shaft; 32. Connecting sleeve; 321. Mounting groove; 33. Blade; 331. Arc-shaped connecting plate; 332. Triangular reinforcing plate; 333. Noise reduction hole. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0029] The number of any elements in the accompanying drawings is for illustrative purposes only and not as a limitation, and any naming is for distinction only and has no limiting meaning.

[0030] The principles and spirit of this utility model will be explained in detail below with reference to several representative embodiments.

[0031] An embodiment of the skirting board electric heater provided by this utility model:

[0032] like Figures 1 to 7 As shown, it includes a housing assembly 1 and an electric heating element 2 disposed within the housing assembly 1. The housing assembly 1 also includes a fan assembly 3 for agitating airflow. By agitating the airflow through the fan assembly 3, the hot airflow within the housing assembly 1 is rapidly dissipated, thereby improving heating efficiency and uniformity.

[0033] The fan assembly 3 is located below the electric heating element 2. The fan assembly 3 includes a rotating shaft 31 that is rotatably located below the electric heating element 2. A connecting sleeve 32 is fixedly sleeved on the rotating shaft 31. The outer surface of the connecting sleeve 32 is provided with mounting grooves 321 distributed along its axial direction. Blades 33 are detachably provided in the mounting grooves 321. The housing assembly 1 is provided with a power component for driving the rotating shaft 31 to rotate.

[0034] It should be noted that the fan assembly 3 has brackets at both ends, and the power component is a motor located in one of the brackets.

[0035] The blades 33 are distributed along the axial direction of the rotating shaft 31, forming a wide disturbance area. This ensures that the airflow can be evenly dissipated from the housing assembly 1 after being heated by the electric heating element 2, avoiding local overheating or insufficient airflow, improving airflow disturbance efficiency, enhancing airflow uniformity, and optimizing heat dissipation.

[0036] The blades 33 are detachably mounted on the connecting sleeve 32 via the mounting slot 321, making it easier to replace or maintain the blades 33 of the fan assembly 3. When the blades 33 are damaged or need cleaning, they can be easily removed from the mounting slot 321 for necessary repairs or replacement.

[0037] In this embodiment, the connecting sleeves 32 are three sets that are spaced apart on the rotating shaft 31. Specifically, the connecting sleeves 32 are fixedly fitted onto the rotating shaft 31 by interference fit.

[0038] The blade 33 is fitted into the mounting groove 321 at its bottom, and the blade 33 has an arc-shaped connecting plate 331 on both sides near the bottom. The lower surface of the arc-shaped connecting plate 331 is in contact with the outer surface of the connecting sleeve 32. The arc-shaped connecting plate 331 has a threaded connecting hole, and the connecting sleeve 32 has a threaded mounting hole corresponding to the threaded connecting hole.

[0039] A stable connection is formed between the arc-shaped connecting plate 331 and the connecting sleeve 32, which increases the connection strength and improves the reliability and safety of the entire wind turbine assembly 3. On the other hand, it increases the structural strength at the mating point between the blade 33 and the connecting sleeve 32. The arc-shaped connecting plate 331 not only provides additional connection area, but also disperses the stress and impact force generated by the blade 33 during rotation through its arc design. At the same time, it helps to reduce wear and fatigue at the connection point between the blade 33 and the connecting sleeve 32, thus extending the service life of the wind turbine assembly.

[0040] Among them, a triangular reinforcing plate 332 is provided at the connection between the arc-shaped connecting plate 331 and the blade 33. The bottom surface of the triangular reinforcing plate 332 is a concave arc surface that matches the upper surface of the arc-shaped connecting plate 331.

[0041] The triangular reinforcing plate 332 enhances the structural strength of the connection between the arc-shaped connecting plate 331 and the blade 33, providing an additional support point and thus improving the overall stability of the structure. This reduces the risk of structural damage to the blade 33 due to vibration and stress concentration when the wind turbine assembly 3 rotates at high speed.

[0042] In this embodiment, the blade 33 is provided with noise reduction holes 333, which are distributed along its length. By providing noise reduction holes 333 on the blade 33, some airflow can be directed from the high-pressure side of the blade 33 to the low-pressure side. This flow adjustment can reduce the intensity and size of eddies, thereby reducing noise generation.

[0043] In this embodiment, the housing assembly 1 includes an outer shell 11, an upper end cover 12 detachably disposed above the outer shell 11, and a lower end cover 13 detachably disposed below the outer shell 11. Both the upper end cover 12 and the lower end cover 13 have grating holes 121 formed on them. The grating holes 121 ensure that the hot air inside the housing assembly 1 can be exchanged with the outside.

[0044] The upper end cover 12 and the lower end cover 13 are both fixed to the outer shell 11 by bolts. Specifically, threaded holes are provided on both sides of the upper end cover 12 and the lower end cover 13, and corresponding threaded holes are provided at the upper end port of the outer shell 11.

[0045] The upper surface of the upper end cover 12 and the lower surface of the lower end cover 13 are both provided with removable protective covers 14.

[0046] Specifically, the protective cover 14 has T-shaped connecting blocks 141 on both sides of its bottom end, and the upper surface of the upper cover 12 and the lower surface of the lower cover 13 have T-shaped slots 122 that mate with the T-shaped connecting blocks 141. When installing the protective cover 14, the T-shaped connecting blocks 141 can be placed into the T-shaped slots 122, and then the protective cover 14 can be pushed, i.e., the protective cover 14 can be slidably installed. The operation is simple.

[0047] In this embodiment, the protective cover 14 is a flat baffle that fits tightly against the upper surface of the upper cover 12 or the lower surface of the lower cover 13. The protective cover 14, being a flat baffle, fits tightly against the upper surface of the upper cover 12 or the lower surface of the lower cover 13. When not in use, it protects the grid structure and, through its tight fit, prevents debris and dust from entering the interior and affecting future use.

[0048] In other embodiments, the protective cover 14 is a dustproof mesh, with a gap between the dustproof mesh and the upper surface of the upper cover 12 or the lower surface of the lower cover 13. The protective cover 14 uses a dustproof mesh, which allows air to flow freely through its mesh openings while effectively blocking most dust, small particles, and other debris from entering the interior of the fan assembly.

[0049] Based on the above description in this specification, those skilled in the art will also understand that the following terms used, such as "upper," "lower," "front," "rear," "left," "right," "width," "horizontal," "top," "bottom," "inner," and "outer," are terms indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings of this specification. They are only for the purpose of facilitating the explanation of the present invention and simplifying the description, and do not explicitly or implicitly suggest that the device or element involved must have the specific orientation, or be constructed and operated in a specific orientation. Therefore, the above-mentioned orientation or positional relationship terms should not be understood or interpreted as limitations on the present invention.

[0050] In addition, in the description of this specification, "multiple" means at least two, such as two, three or more, etc., unless otherwise expressly and specifically defined.

Claims

1. A skirting board electric heater, comprising a housing assembly (1) and an electric heating element (2) disposed within the housing assembly (1), wherein the housing assembly (1) further comprises a fan assembly (3) for agitating airflow, characterized in that, The fan assembly (3) is located below the electric heating element (2). The fan assembly (3) includes a rotating shaft (31) rotatably located below the electric heating element (2). A connecting sleeve (32) is fixedly sleeved on the rotating shaft (31). The outer surface of the connecting sleeve (32) is provided with mounting grooves (321) distributed along its axial direction. Blades (33) are detachably provided in the mounting grooves (321). The housing assembly (1) is provided with a power component for driving the rotating shaft (31) to rotate. The housing assembly (1) includes an outer shell (11), an upper end cover (12) detachably disposed above the outer shell (11), and a lower end cover (13) detachably disposed below the outer shell (11). Both the upper end cover (12) and the lower end cover (13) have grating holes (121). The upper surface of the upper end cover (12) and the lower surface of the lower end cover (13) are provided with detachable protective covers (14).

2. The skirting board heater according to claim 1, characterized in that, The bottom of the blade (33) is fitted into the mounting groove (321), and the two sides of the blade (33) are provided with arc-shaped connecting plates (331) near the bottom. The lower surface of the arc-shaped connecting plate (331) is in contact with the outer surface of the connecting sleeve (32). The arc-shaped connecting plate (331) is provided with threaded connecting holes, and the connecting sleeve (32) is provided with threaded mounting holes corresponding to the threaded connecting holes.

3. The skirting board heater according to claim 2, characterized in that, A triangular reinforcing plate (332) is provided at the connection between the arc-shaped connecting plate (331) and the blade (33). The bottom surface of the triangular reinforcing plate (332) is a concave arc surface that matches the upper surface of the arc-shaped connecting plate (331).

4. The skirting board heater according to claim 1, characterized in that, The blade (33) is provided with noise reduction holes (333), which are a plurality of holes distributed along its length.

5. The skirting board heater according to claim 1, characterized in that, The upper end cover (12) and the lower end cover (13) are both fixed to the outer shell (11) by bolts.

6. The skirting board heater according to claim 1, characterized in that, The protective cover (14) has T-shaped connecting blocks (141) on both sides of its bottom end, and the upper surface of the upper cover (12) and the lower surface of the lower cover (13) are provided with T-shaped slots (122) that cooperate with the T-shaped connecting blocks (141).

7. The skirting board heater according to claim 6, characterized in that, The protective cover (14) is a flat baffle, which is in close contact with the upper surface of the upper cover (12) or the lower surface of the lower cover (13).

8. The skirting board heater according to claim 6, characterized in that, The protective cover (14) is a dustproof mesh plate, and there is a gap between the dustproof mesh plate and the upper surface of the upper cover (12) or the lower surface of the lower cover (13).