Dust screen of axial flow fan

Abstract

The utility model discloses a dust screen of an axial flow fan, and belongs to the technical field of axial flow fans. The dustproof net for the axial flow fan comprises a net cover body, a plurality of groups of fixing pieces are arranged on the mesh enclosure body and are used for fixing the mesh enclosure body and the motor; the fixing piece comprises a sliding block which is connected to the mesh enclosure body in a sliding manner; the adjusting block is fixedly connected to one end of the sliding block; an inserting groove extending downwards is formed in the top wall of the adjusting block, and a first inserting hole is formed in the side wall of the inserting groove; the inserting blocks are inserted into the inserting grooves; the fixed block is fixedly connected to the side wall of the insertion block; a second inserting hole is formed in the side wall of the inserting block, a through hole is formed in the side wall of the fixing block, and the through hole penetrates through the fixing block and the inserting block; the inserting block is fixedly connected with the adjusting block through a bolt and nut piece. The dustproof net of the axial flow fan has the beneficial effects that the dustproof net of the axial flow fan can be suitable for motors of different sizes, and the firmness of the dustproof net and the motors is improved.

Description

Technical Field

[0001] This application relates to the technical field of axial fans, and more particularly, to a dust-proof net for an axial fan. Background Art

[0002] A fan is a tool for generating wind and cooling. After the driving motor inside is powered on, it drives the rotation of the fan blades, converting mechanical energy into wind energy, and thus forming natural wind to achieve a cooling effect. In the prior art, in order to protect users from touching the fan blades, a fan is generally provided with an outer hoop, which is generally in a hollow structure to allow air flow. Most axial fans directly pass the motor through the dust-proof net cover, and the dust-proof net cover is not directly fixedly connected to the motor, so the connection firmness between the net cover and the motor is poor.

[0003] Now a dust-proof net for an axial fan is provided. Summary of the Utility Model

[0004] The content part of this application is used to briefly introduce concepts, which will be described in detail in the following detailed implementation part. The content part of this application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0005] To solve the technical problems mentioned in the above background art part, some embodiments of this application provide a dust-proof net for an axial fan, including: a net cover body;

[0006] It is characterized in that: multiple groups of fixing parts are provided on the net cover body for fixing the net cover body and the motor;

[0007] The fixing part includes:

[0008] A slider, slidably connected to the net cover body;

[0009] An adjusting block, fixedly connected to one end of the slider;

[0010] Wherein, a downward-extending slot is provided on the top wall of the adjusting block, and a first jack is provided on the side wall of the slot;

[0011] An insertion block, inserted into the slot;

[0012] A fixing block, fixedly connected to the side wall of the insertion block;

[0013] Wherein, a second jack is provided on the side wall of the insertion block, a through hole is provided on the side wall of the fixing block, and the through hole penetrates the fixing block and the insertion block; the insertion block and the adjusting block are fixedly connected by a bolt-nut assembly.

[0014] Further, the net cover body includes:

[0015] A middle ring;

[0016] Connecting bones, there are multiple of them and they are fixedly connected to the outer wall of the middle ring at equal intervals;

[0017] Arc-shaped tubes, there are multiple of them and they are fixedly connected to the connecting bones at equal intervals;

[0018] Outer ring edge, fixedly connected to one end of the connecting bone;

[0019] Mounting edge, fixedly connected to the outer ring edge;

[0020] Connection holes, there are multiple of them and they are arranged at equal intervals on the mounting edge.

[0021] Furthermore, one end of the connecting bone is fixedly connected to the outer wall of the middle ring, and the other end of the connecting bone is fixedly connected to the inner wall of the outer ring edge.

[0022] Furthermore, there are multiple arc-shaped tubes and the lengths of the arc-shaped tubes are different. The arc-shaped tubes form a fan-shaped structure and are respectively fixedly connected between two connecting bones.

[0023] Furthermore, a plurality of chutes are arranged at equal intervals on the inner wall of the middle ring, and each slider is respectively slidably connected in each chute.

[0024] Furthermore, position-symmetrical limiting grooves are arranged on the side walls of the chutes.

[0025] Furthermore, limiting blocks are slidably connected in the limiting grooves, and the side walls of the sliders are respectively fixedly connected to the limiting blocks on both sides.

[0026] Furthermore, the bolt and nut assembly includes:

[0027] The first bolt is sequentially inserted into the first jack and the second jack;

[0028] The fixing nut is threadedly connected to the first bolt;

[0029] The second bolt, one end of which is inserted into the through hole;

[0030] Wherein, one end of the second bolt passing through the through hole is threadedly connected to the motor.

[0031] Furthermore, there are multiple second jacks and they are arranged at equal intervals on the plug.

[0032] The beneficial effect of this application is that: it provides an axial flow fan dust-proof net, which can be applicable to motors of different sizes and increases the firmness between the dust-proof net and the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The drawings constituting a part of this application are used to provide a further understanding of this application, making other features, purposes and advantages of this application more obvious. The schematic embodiments and descriptions of the drawings of this application are used to explain this application and do not constitute an improper limitation to this application.

[0034] In addition, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements and components are not necessarily drawn to scale.

[0035] In the drawings:

[0036] Figure 1 is the overall schematic diagram according to an embodiment of the present application;

[0037] Figure 2 is the schematic cross-sectional plane view of a part of the embodiment, mainly showing the middle ring structure;

[0038] Figure 3 is the schematic diagram of a part of the embodiment, mainly showing the fixing member structure;

[0039] Figure 4 is Figure 3 the overall exploded view of.

[0040] Reference numerals:

[0041] 11, middle ring; 12, arc tube; 13, connecting bone; 14, outer ring edge; 15, mounting edge; 16, connecting hole; 17, sliding groove; 18, limiting groove; 19, slider; 20, limiting block; 21, adjusting block; 22, slot; 23, inserting block; 24, fixing block; 25, through hole; 26, second jack; 27, second bolt; 28, first bolt; 29, fixing nut; 30, first jack. Detailed Description of the Embodiment

[0042] Hereinafter, embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not used to limit the protection scope of the present disclosure.

[0043] In addition, it should be noted that for the sake of convenience of description, only parts related to the relevant invention are shown in the drawings. Without conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.

[0044] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependent relationships.

[0045] It should be noted that the modifications of "one" and "multiple" mentioned in this disclosure are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly specified in the context, it should be understood as "one or more".

[0046] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0047] Refer to Figures 1-4 , the dust-proof net of the axial flow fan includes: a net cover body, and the net cover body includes: a middle ring 11, connecting bones 13, arc-shaped tubes 12, an outer ring edge 14, and a mounting edge 15.

[0048] A plurality of connecting bones 13 are provided and fixedly connected to the outer wall of the middle ring 11 at equal intervals. One end of the connecting bone 13 is fixedly connected to the outer wall of the middle ring 11, and the other end of the connecting bone 13 is fixedly connected to the inner wall of the outer ring edge 14. A plurality of arc-shaped tubes 12 are provided and the lengths of the arc-shaped tubes 12 are different. The arc-shaped tubes 12 are in a fan-shaped structure and are respectively fixedly connected between two of the connecting bones 13. The outer ring edge 14 wraps around one end of the connecting bone 13, and the mounting edge 15 is fixedly connected to the outer ring edge 14. A plurality of connecting holes 16 are provided at equal intervals on the mounting edge 15.

[0049] A plurality of sliding grooves 17 are provided at equal intervals on the inner wall of the middle ring 11. Each slider 19 is respectively slidably connected in each sliding groove 17. Symmetrically positioned limiting grooves 18 are provided on the side walls of the sliding grooves 17. Limiting blocks 20 are slidably connected in the limiting grooves 18. The side walls of the sliders 19 are respectively fixedly connected to the limiting blocks 20 on both sides.

[0050] In order to fix the net cover body and the motor, a plurality of groups of fixing members are further provided. The fixing members include: sliders 19, adjusting blocks 21, inserting blocks 23, fixing blocks 24, and limiting blocks 20. The adjusting block 21 is fixedly connected to one end of the slider 19. A downwardly extending slot 22 is provided on the top wall of the adjusting block 21. A first jack 30 is provided on the side wall of the slot 22. The inserting block 23 is inserted into the slot 22 and is in sliding contact with the slot 22. The fixing block 24 is fixedly connected to the side wall of the inserting block 23. A plurality of second jacks 26 are provided at equal intervals on the side wall of the inserting block 23. A through hole 25 is provided on the side wall of the fixing block 24, and the through hole 25 penetrates through the fixing block 24 and the inserting block 23. The inserting block 23 and the adjusting block 21 are fixedly connected by a bolt and nut member.

[0051] In order to fixedly connect the inserting block 23 and the adjusting block 21, a bolt and nut member is further provided. The bolt and nut member includes: a first bolt 28, a fixing nut 29, and a second bolt 27.

[0052] The first bolt 28 is sequentially inserted into the first jack 30 and the second jack 26, and the fixing nut 29 is threadedly connected to the first bolt 28. One end of the second bolt 27 is inserted into the through hole 25, and the end of the second bolt 27 passing through the through hole 25 is threadedly connected to the motor.

[0053] Working or installation process:

[0054] Weld the middle ring 11, the arc tube 12, the connecting bone 13, the outer ring edge 14, and the installation edge 15 to form the mesh cover body. Place the mesh cover body on the air duct of the fan, and fixedly connect the mesh cover body to the fan air duct through bolts and nuts. Insert the motor of the fan into the inner ring of the middle ring 11. Pull the adjustment block 21, and make the adjustment block 21 drive the slider 19 to slide in the sliding groove 17, and the limiting block 20 slides in the limiting groove 18, and make the adjustment block 21 drive the insertion block 23 to move closer to the outer wall of the motor. Pull the insertion block 23, make the insertion block 23 slide in the insertion slot 22, and make the through hole 25 move to a suitable height for connecting with the motor. At this time, the second jack 26 communicates with the first jack 30, and insert the first bolt 28 into the first jack 30 and the second jack 26 in sequence, and threadedly connect the fixing nut 29 to the first bolt 28, so that the second jack 26 is fixedly connected to the adjustment block 21 through the first bolt 28 and the fixing nut 29;

[0055] Insert the second bolt 27 into the through hole 25, so that one end of the second bolt 27 passes through the through hole 25 and is inserted into the threaded hole of the motor housing. Rotate the second bolt 27 and threadedly connect the second bolt 27 to the threaded hole of the motor housing, so as to fixedly connect the fixing block 24 to the motor housing; fixedly connect the fixing block 24 and the insertion block 23 to the motor housing through the second bolt 27, thereby increasing the firmness between the motor and the mesh cover body.

[0056] By adjusting the distance between the fixing block 24 and the motor housing, it can be applicable to motors of different sizes.

[0057] The above description is only some preferred embodiments of the present disclosure and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) having similar functions disclosed in the embodiments of the present disclosure.

Claims

1. An axial flow fan dust-proof net, comprising: Mesh cover body; It is characterized in that: multiple groups of fixing parts are arranged on the mesh cover body for fixing the mesh cover body and the motor; The fixing part includes: A slider (19), slidably connected to the mesh cover body; An adjusting block (21), fixedly connected to one end of the slider (19); Wherein, a downwardly extending slot (22) is provided on the top wall of the adjusting block (21), and a first jack (30) is provided on the side wall of the slot (22); An insertion block (23), inserted into the slot (22); A fixing block (24), fixedly connected to the side wall of the insertion block (23); Wherein, a second jack (26) is provided on the side wall of the insertion block (23), a through hole (25) is provided on the side wall of the fixing block (24), and the through hole (25) penetrates through the fixing block (24) and the insertion block (23); The insertion block (23) and the adjusting block (21) are fixedly connected by a bolt and nut assembly.

2. The axial flow fan dust-proof net according to claim 1, characterized in that: The mesh cover body includes: A middle ring (11); Connecting bones (13), a plurality of which are provided and fixedly connected to the outer wall of the middle ring (11) at equal intervals; Arc-shaped pipes (12), a plurality of which are provided and fixedly connected to the connecting bones (13) at equal intervals; An outer ring edge (14), fixedly connected to one end of the connecting bone (13); An installation edge (15), fixedly connected to the outer ring edge (14); Connection holes (16), a plurality of which are provided and arranged on the installation edge (15) at equal intervals.

3. The axial flow fan dust-proof net according to claim 2, characterized in that: One end of the connecting bone (13) is fixedly connected to the outer wall of the middle ring (11), and the other end of the connecting bone (13) is fixedly connected to the inner wall of the outer ring edge (14).

4. The axial flow fan dust-proof net according to claim 3, characterized in that: A plurality of the arc-shaped pipes (12) are provided and the lengths of the arc-shaped pipes (12) are different. The arc-shaped pipes (12) are in a fan-shaped structure and are respectively fixedly connected between two of the connecting bones (13).

5. The axial flow fan dust-proof net according to claim 2, characterized in that: A plurality of sliding grooves (17) are provided at equal intervals on the inner wall of the middle ring (11), and each of the sliders (19) is respectively slidably connected in each of the sliding grooves (17).

6. The axial flow fan dust-proof net according to claim 5, characterized in that: Position-symmetrical limiting grooves (18) are provided on the side walls of the sliding grooves (17).

7. The axial flow fan dust-proof net according to claim 6, characterized in that: Limiting blocks (20) are slidably connected in the limiting grooves (18), and the side walls of the sliders (19) are respectively fixedly connected to the limiting blocks (20) on both sides.

8. The axial flow fan dust-proof net according to claim 1, characterized in that: The bolt and nut assembly includes: A first bolt (28), sequentially inserted into the first jack (30) and the second jack (26); A fixing nut (29), threadedly connected to the first bolt (28); The second bolt (27), one end of which is inserted into the through hole (25); Wherein, one end of the second bolt (27) passing through the through hole (25) is in threaded connection with the motor.

9. The axial flow fan dust-proof net according to claim 8, characterized in that: A plurality of the second jacks (26) are provided and are arranged on the insertion block (23) at equal intervals.

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