Fan blade assembly and heater having the same

Abstract

The present invention provides a fan blade assembly and a heater having the same, wherein the fan blade assembly includes a shell, a fan blade and an elastic pressing mechanism, the fan blade is rotatably arranged in the shell; the elastic pressing mechanism includes a connecting portion and a locking portion, the connecting portion is connected to the shell, the locking portion is movably arranged in the installation cavity of the connecting portion, and the fan blade is detachably connected to the shell through the locking portion; the locking portion has a locking position extending out of the installation cavity to connect the fan blade to the shell, and the locking portion has a disassembly position returning to the installation cavity to separate the fan blade from the shell. The present invention solves the problem that the fan blade of the fan blade assembly in the prior art is unreasonable in its arrangement, cannot ensure the convenience of installing or disassembling the fan blade, causes the cleaning operation of the fan blade to be cumbersome and complicated, and reduces the user's good impression of the user experience of the heater.

Description

Technical Field

[0001] The present invention relates to the technical field of air heater equipment, and in particular to a fan blade assembly and an air heater having the same. Background Art

[0002] In the prior art, the blades in the blade assembly of the heater are fastened to the shell by multiple screws. When the user needs to clean the blades, the user must first loosen the multiple screws one by one to release the connection between the blades and the shell, and then remove the blades from the shell before cleaning the blades. The blade arrangement of the existing blade assembly is unreasonable, and the convenience of installing or removing the blades cannot be guaranteed, which makes the cleaning operation of the blades cumbersome and complicated, reducing the user's favorable impression of the heater. Summary of the invention

[0003] The main purpose of the present invention is to provide a fan blade assembly and a heater having the same, so as to solve the problem that the fan blade arrangement of the fan blade assembly in the prior art is unreasonable, the convenience of installing or disassembling the fan blades cannot be guaranteed, the cleaning operation of the fan blades is cumbersome and complicated, and the user's favorable experience of the heater is reduced.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided a fan blade assembly, comprising a shell, a fan blade and an elastic pressing mechanism, wherein the fan blade is rotatably arranged in the shell; the elastic pressing mechanism comprises a connecting part and a locking part, the connecting part is connected to the shell, the connecting part has an installation cavity, the locking part is movably arranged in the installation cavity, and the fan blade is detachably connected to the shell through the locking part; wherein the locking part has a locking position and a disassembly position, and when the locking part is in the locking position, the locking part extends out of the installation cavity and is connected to one end of the fan blade; when the fan blade is operated to move toward one side of the installation cavity so that the end of the fan blade presses the locking part to a preset position in the installation cavity, the fan blade can be separated from the shell to the disassembly position by operating the fan blade along the preset direction.

[0005] Furthermore, the locking portion comprises a pressing shaft, which is arranged in the mounting cavity, a first end of the pressing shaft forms a locking end, and a locking recess is formed at a position of the fan blade opposite to the locking end.

[0006] Furthermore, the connecting part includes a mounting piece and an elastic element, wherein the mounting piece has a mounting cavity, the top pressure shaft is a columnar structure, the first end of the top pressure shaft is located outside the mounting cavity, and the second end of the top pressure shaft is located inside the mounting cavity; the elastic element is arranged in the mounting cavity to provide an elastic force for the top pressure shaft to move toward the wind blade.

[0007] Furthermore, the mounting component includes a mounting disc section and a mounting barrel section, wherein the mounting disc section has an avoidance hole and is arranged close to a side of the wind blade; the mounting barrel section is connected to the mounting disc section and is arranged away from a side of the wind blade, the mounting barrel section has a pressure hole, the pressure hole is connected to the avoidance hole to form a mounting cavity, and the elastic element is arranged in the pressure hole.

[0008] Furthermore, a limiting protrusion is arranged on the wall surface of the pressure hole; and a stop protrusion for cooperating with the limiting protrusion is formed on the outer peripheral surface of the second end of the pressing shaft.

[0009] Furthermore, the elastic pressing mechanism also includes a slider structure, which is arranged in the pressure hole and located between the pressing shaft and the elastic element.

[0010] Furthermore, the slider structure has a limiting groove, and the second end of the pressing shaft extends into the limiting groove.

[0011] Furthermore, the groove wall surface of the limiting groove is an arc surface, and the outer surface of the second end of the pressing shaft is an arc surface matched with the groove wall surface.

[0012] Furthermore, the elastic pressing mechanism also includes a stopper, and a mounting opening is provided on the side wall of the avoidance hole away from the fan blade, and the stopper is arranged at the mounting opening.

[0013] Furthermore, the fan blade assembly also includes a driving part, which is connected to the shell, and the driving part has a driving shaft. The driving part is connected to the fan blade through the driving shaft, and the driving shaft includes a guide column section, a driving section and a connecting column section that are connected in sequence along a direction away from the fan blade. A fan blade shaft is protruding from one end of the fan blade facing the driving part, and the fan blade shaft has a guide hole that is compatible with the guide column section. The fan blade shaft is provided with an assembly groove for cooperating with the driving section in the diameter direction of the fan blade shaft, and the assembly groove is connected to the guide hole. The connecting column section is used to connect with the driving part.

[0014] Furthermore, the fan blade assembly also includes a connecting member, a first end of the connecting member is connected to the driving shaft, and a second end of the connecting member is detachably connected to the fan blade.

[0015] According to another aspect of the present invention, a heater is provided. The heater includes a blade assembly, and the blade assembly is the above-mentioned blade assembly.

[0016] By applying the technical solution of the present invention, a fan blade assembly with an elastic pressing mechanism is provided to ensure the convenience of installing or disassembling the fan blade.

[0017] Specifically, the connecting part of the elastic pressing mechanism is connected to the shell, and the locking part of the elastic pressing mechanism is movably arranged in the installation cavity of the connecting part. In this way, when the heater is working normally, the locking part extends out of the installation cavity to provide a pressing force to one end of the fan blade, so that the fan blade can be rotatably installed in the shell; when the user needs to clean the fan blade of the heater, the user only needs to move the fan blade toward one side of the installation cavity to provide a pressing force for the locking part to return to the installation cavity, so that the locking part switches from the locking position to the disassembly position, and then moves the fan blade along the preset direction to separate the fan blade from the shell. The operation is convenient and quick, which avoids the cumbersome and complicated cleaning operation of the fan blade, and improves the user's experience of the heater. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0019] Figure 1 A partial structural schematic diagram of a heater according to an optional embodiment of the present invention is shown;

[0020] Figure 2 Shows Figure 1 A schematic diagram of the structure of the connection between the fan wheel, the elastic pressing mechanism and the driving part of the fan blade assembly of the heater;

[0021] Figure 3 Shows Figure 2 A schematic diagram of the exploded structure of the wind wheel, elastic pressing mechanism and driving part of the wind blade assembly;

[0022] Figure 4 Shows Figure 2 A cross-sectional schematic diagram of the wind wheel, the elastic pressing mechanism and the driving part in the assembly state;

[0023] Figure 5 Shows Figure 4 An enlarged schematic diagram of A in FIG.

[0024] Figure 6 Shows Figure 4 An enlarged schematic diagram of point B in FIG.

[0025] The above drawings include the following reference numerals:

[0026] 10. Shell; 20. Fan blade; 21. Locking recess; 22. Fan blade shaft; 221. Guide hole; 222. Assembly groove; 30. Elastic pressing mechanism; 31. Pressing shaft; 311. Stopping protrusion; 32. Mounting member; 321. Mounting disc section; 3211. Avoidance hole; 322. Mounting cylinder section; 3221. Pressure hole; 33. Elastic element; 34. Slider structure; 341. Limiting groove; 35. Stopping member; 351. Cylindrical section; 352. Stopping section; 40. Driving unit; 41. Driving shaft; 411. Guide column section; 412. Driving section; 413. Connecting column section; 100. Limiting protrusion. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In order to solve the problem that the fan blades of the fan blade assembly in the prior art are set in an unreasonable manner, the convenience of installing or disassembling the fan blades cannot be guaranteed, the cleaning operation of the fan blades is cumbersome and complicated, and the user's favorable experience of the heater is reduced, the present invention provides a fan blade assembly and a heater, wherein the heater comprises a fan blade assembly, the fan blade assembly described above and below.

[0029] like Figure 1 As shown, the fan blade assembly includes a shell 10, a fan blade 20 and an elastic pressing mechanism 30, wherein the fan blade 20 is rotatably arranged in the shell 10; the elastic pressing mechanism 30 of the elastic pressing assembly includes a connecting portion and a locking portion, the connecting portion is connected to the shell 10, the connecting portion has a mounting cavity, the locking portion is movably arranged in the mounting cavity, and the fan blade 20 is detachably connected to the shell 10 through the locking portion; wherein the locking portion has a locking position and a disassembly position, when the locking portion is in the locking position, the locking portion extends out of the mounting cavity and is connected to one end of the fan blade 20; when the fan blade 20 is operated to move toward one side of the mounting cavity, so that the end of the fan blade 20 presses the locking portion to a preset position in the mounting cavity, operating the fan blade 20 along the preset direction can separate the fan blade 20 from the shell 10 to the disassembly position.

[0030] The present application provides a fan blade assembly having an elastic pressing mechanism 30 to ensure the convenience of installing or removing the fan blade 20.

[0031] Specifically, the connecting part of the elastic pressing mechanism 30 is connected to the shell 10, and the locking part of the elastic pressing mechanism 30 is movably arranged in the installation cavity of the connecting part. In this way, when the heater is working normally, the locking part extends out of the installation cavity to provide a pressing force on one end of the fan blade 20, so that the fan blade 20 can be rotatably installed in the shell 10; when the user needs to clean the fan blade 20 of the heater, the user only needs to move the fan blade 20 toward one side of the installation cavity to provide a pressing force for the locking part to return to the installation cavity, so that the locking part switches from the locking position to the disassembly position, and then moves the fan blade 20 along the preset direction, so that the fan blade 20 can be separated from the shell 10. The operation is convenient and quick, which avoids the cumbersome and complicated cleaning operation of the fan blade 20 and improves the user's experience of the heater.

[0032] like Figures 2 to 4 , Figure 6 As shown, the locking part includes a pressing shaft 31, which is arranged in the installation cavity, and the first end of the pressing shaft 31 forms a locking end, and a locking recess 21 is formed at a position of the fan blade 20 opposite to the locking end. In this way, when the pressing shaft 31 of the locking part extends into the locking recess 21 of the fan blade 20, that is, when the locking part is in the locking position, it is ensured that the pressing shaft 31 of the locking part can provide reliable pressing force for the fan blade 20, thereby ensuring the connection stability between the fan blade 20 and the housing 10.

[0033] like Figures 2 to 4 , Figure 6 As shown, the connection part includes a mounting member 32 and an elastic element 33, wherein the mounting member 32 has a mounting cavity, the pressing shaft 31 is a columnar structure, the first end of the pressing shaft 31 is located outside the mounting cavity, and the second end of the pressing shaft 31 is located inside the mounting cavity; the elastic element 33 is arranged in the mounting cavity to provide the pressing shaft 31 with an elastic force to move toward the fan blade 20. In this way, the switching convenience of the pressing shaft 31 between the disassembly position and the locking position is ensured.

[0034] like Figures 2 to 4 , Figure 6 As shown, the mounting member 32 includes a mounting plate section 321 and a mounting barrel section 322, wherein the mounting plate section 321 has an avoidance hole 3211, and the mounting plate section 321 is arranged close to the fan blade 20; the mounting barrel section 322 is connected to the mounting plate section 321, and the mounting barrel section 322 is arranged away from the fan blade 20. The mounting barrel section 322 has a pressure hole 3221, and the pressure hole 3221 is connected with the avoidance hole 3211 to form a mounting cavity, and the elastic element 33 is arranged in the pressure hole 3221. In this way, it is ensured that the mounting cavity formed by the connection between the pressure hole 3221 and the avoidance hole 3211 can be adapted to the columnar pressing shaft 31, so as to ensure that the pressing shaft 31 can extend or retract into the mounting cavity along the length direction of the mounting cavity, thereby ensuring the working reliability of the elastic pressing mechanism 30.

[0035] It should be noted that, in the present application, the mounting disc section 321 is made of non-metallic elastic materials such as rubber or silicone, the mounting barrel section 322 is made of metal, and the mounting disc section 321 and the mounting barrel section 322 are integrally formed.

[0036] like Figure 4 and Figure 6 As shown, a limiting protrusion 100 is provided on the hole wall surface of the avoidance hole 3211; a stop protrusion 311 for stopping and cooperating with the limiting protrusion 100 is formed on the outer peripheral surface of the second end of the pressing shaft 31. In this way, when the user removes the fan blade 20 from the housing 10, the pressing shaft 31 will extend out of the installation cavity under the action of the elastic element 33. During the process of the pressing shaft 31 extending out of the installation cavity, the limiting protrusion 100 stops the stop protrusion 311 on the pressing shaft 31 to prevent the pressing shaft 31 from falling off.

[0037] like Figure 4 and Figure 6 As shown, the elastic pressing mechanism 30 further includes a slider structure 34, which is disposed in the pressure hole 3221 and between the pressing shaft 31 and the elastic element 33. In this way, the setting of the slider structure 34 ensures the connection reliability between the pressing shaft 31 and the elastic element 33, thereby ensuring the reliability of the elastic force provided by the elastic element 33 for the pressing shaft 31 to move toward the fan blade 20, and ensuring that the pressing shaft 31 can effectively compress the elastic element 33 during the movement of the fan blade 20 toward one side of the installation cavity, ensuring that the user can remove the fan blade 20 from the housing 10, and ensuring the working reliability of the elastic pressing mechanism 30.

[0038] like Figure 6 As shown, the slider structure 34 has a limiting groove 341, and the second end of the top pressing shaft 31 extends into the limiting groove 341. In this way, the limiting groove 341 plays a limiting role on the top pressing shaft 31, ensuring the reliability of the connection between the top pressing shaft 31 and the slider structure 34.

[0039] It should be noted that, in the present application, the groove wall surface of the limiting groove 341 is an arc surface, and the outer surface of the second end of the top pressing shaft 31 is an arc surface adapted to the groove wall surface. In this way, the contact area between the top pressing shaft 31 and the slider structure 34 is increased to ensure the connection stability between the two.

[0040] like Figure 6 As shown, the elastic pressing mechanism 30 further includes a stopper 35, and a mounting opening is provided on the side wall of the avoidance hole 3211 away from the fan blade 20, and the stopper 35 is arranged at the mounting opening. In this way, the elastic element 33 abuts against the stopper 35, ensuring that the elastic element 33 can provide the pressing shaft 31 with an elastic force to move toward the fan blade 20.

[0041] It should be noted that in this application, Figure 6As shown, the stopper 35 includes a cylindrical section 351 and a stopper section 352 in a direction away from the wind blade 20, wherein an external thread structure is formed on the outer surface of the cylindrical section 351, and an internal thread structure for cooperating with the external thread structure is formed on the hole wall surface of the pressure hole 3221; the stopper section 352 is connected to the cylindrical section 351, and the stopper section 352 is used to cooperate with the peripheral stopper of the installation barrel section 322. In this way, by screwing the stopper 35, the stopper 35 is removed from the installation member 32, and the top pressure shaft 31, the slider structure 34 and the elastic element 33 are installed in the installation cavity in sequence.

[0042] The elastic element 33 is a compression spring, a first end of which abuts against an end surface of the slider structure 34 facing the stopper 35 , and a second end of which abuts against an end surface of the cylindrical section 351 .

[0043] like Figure 4 and Figure 5 As shown, the fan blade assembly also includes a driving unit 40, which is connected to the housing 10. The driving unit 40 has a driving shaft 41. The driving unit 40 is connected to the fan blade 20 through the driving shaft 41. The driving shaft 41 includes a guide column section 411, a driving section 412 and a connecting column section 413 connected in sequence in the direction away from the fan blade 20. The fan blade 20 is protruded at one end facing the driving unit 40 and is provided with a fan blade shaft 22. The fan blade shaft 22 has a guide hole 221 adapted to the guide column section 411. The fan blade shaft 22 is provided with an assembly groove 222 for matching with the driving section 412 in the diameter direction thereof. The assembly groove 222 is connected to the guide hole 221. The connecting column section 413 is used to connect with the driving unit 40. In this way, the connection reliability of the driving shaft 41 of the driving unit 40 and the fan blade shaft 22 of the fan blade 20 is ensured, thereby ensuring that the driving unit 40 can rotate synchronously with the fan blade 20 through the cooperation of the driving shaft 41 and the fan blade shaft 22, thereby ensuring the working reliability of the heater.

[0044] It should be noted that, in the present application, considering that the driving unit 40 and the driving shaft 41 are an integrated structure, optionally, the fan blade assembly further includes a connecting member, a first end of the connecting member is connected to the driving shaft 41, and a second end of the connecting member is detachably connected to the fan blade 20. In this way, while ensuring the connection stability between the fan blade 20 and the driving unit 40, the difficulty of processing and manufacturing the driving shaft 41 can also be reduced.

[0045] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0046] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0047] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fan blade assembly, characterized in that: include: Housing (10); A fan blade (20), the fan blade (20) being rotatably disposed in the housing (10); an elastic pressing mechanism (30), the elastic pressing mechanism (30) comprising a connecting portion and a locking portion, the connecting portion being connected to the housing (10), the connecting portion having a mounting cavity, the locking portion being movably disposed in the mounting cavity, the fan blade (20) being detachably connected to the housing (10) via the locking portion; The locking portion has a locking position and a disassembly position. When the locking portion is located at the locking position, one end of the locking portion is located outside the installation cavity and connected to one end of the fan blade (20). When the fan blade (20) is moved toward one side of the installation cavity so that the end of the fan blade (20) presses the locking portion to a preset position in the installation cavity, the fan blade (20) is operated in a preset direction so that the fan blade (20) is separated from the housing (10) to the disassembly position. The locking portion comprises: A pressing shaft (31), the pressing shaft (31) being arranged in the installation cavity, the first end of the pressing shaft (31) forming a locking end, and a locking recess (21) being formed at a position of the fan blade (20) opposite to the locking end; The connecting portion comprises: A mounting member (32), the mounting member (32) having the mounting cavity, the pressing shaft (31) being a columnar structure, the first end of the pressing shaft (31) being located outside the mounting cavity, and the second end of the pressing shaft (31) being located inside the mounting cavity; an elastic element (33), the elastic element (33) being arranged in the installation cavity to provide an elastic force for the pressing shaft (31) to move toward the fan blade (20); The mounting member (32) comprises: A mounting plate segment (321), the mounting plate segment (321) having an avoidance hole (3211), the mounting plate segment (321) being arranged close to one side of the fan blade (20); a mounting barrel section (322), the mounting barrel section (322) being connected to the mounting plate section (321), the mounting barrel section (322) being arranged away from a side of the fan blade (20), the mounting barrel section (322) having a pressure hole (3221), the pressure hole (3221) being connected to the avoidance hole (3211) to form the mounting cavity, and the elastic element (33) being arranged in the pressure hole (3221); A limiting protrusion (100) is provided on the hole wall surface of the installation cavity; A stop protrusion (311) for engaging with the limiting protrusion (100) for stopping is formed on the outer peripheral surface of the second end of the pressing shaft (31); The elastic pressing mechanism (30) further comprises: A slider structure (34), wherein the slider structure (34) is arranged in the pressure hole (3221) and is located between the pressing shaft (31) and the elastic element (33).

2. The fan blade assembly according to claim 1, characterized in that: The sliding block structure (34) has a limiting groove (341), and the second end of the pressing shaft (31) extends into the limiting groove (341).

3. The fan blade assembly according to claim 2, characterized in that: The groove wall surface of the limiting groove (341) is a curved surface, and the outer surface of the second end of the pressing shaft (31) is a curved surface matching the groove wall surface.

4. The fan blade assembly according to claim 1, characterized in that: The elastic pressing mechanism (30) further comprises a stopper (35); a mounting opening is provided on a side wall of the mounting cavity on a side away from the fan blade (20); and the stopper (35) is arranged at the mounting opening.

5. The fan blade assembly according to claim 1, characterized in that: The fan blade assembly also includes: A driving part (40), the driving part (40) being connected to the housing (10), the driving part (40) having a driving shaft (41), the driving part (40) being connected to the fan blade (20) via the driving shaft (41), the driving shaft (41) comprising a guide column section (411), a driving section (412) and a connecting column section (413) connected in sequence in a direction away from the fan blade (20), a fan blade shaft (22) being protrudingly provided at one end of the fan blade (20) facing the driving part (40), the fan blade shaft (22) having a guide hole (221) matched with the guide column section (411), the fan blade shaft (22) being provided with an assembly groove (222) for matching with the driving section (412) in a diameter direction thereof, the assembly groove (222) being communicated with the guide hole (221), and the connecting column section (413) being used for connecting to the driving part (40).

6. The fan blade assembly according to claim 5, characterized in that: The fan blade assembly also includes: A connecting member, wherein a first end of the connecting member is connected to the driving shaft (41), and a second end of the connecting member is detachably connected to the fan blade (20).

7. A fan heater, characterized in that: The heater comprises a fan blade assembly, and the fan blade assembly is the fan blade assembly according to any one of claims 1 to 6.

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