Fan and fan connecting structure

Abstract

The utility model relates to the technical field of fans, and discloses a fan and fan connecting structure which comprises fan blades, one ends of the fan blades penetrate through and are fixedly connected with a rotating ring, a rotating assembly is arranged in the rotating ring, a fixing assembly is arranged in the rotating ring, the rotating assembly comprises a first groove, and the first groove is fixedly connected with the rotating ring. A first protruding block is arranged at the bottom of the rotating ring, a second protruding block is slidably connected to the inner wall of the first groove, and a top cover is fixedly connected to the top of the second protruding block. According to the fan, firstly, through linkage among the rotating ring, the first protruding block, the first groove, the first threaded hole, the first hole groove, the second hole groove, the second threaded hole and the nut, when the fan does not need to be used, the nut is unscrewed, pressure between the rotating ring is released, all the fan blades are pushed to one position, the fan blades do not need to be disassembled, and the occupied space can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of blower fans, in particular to a blower fan connection structure. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Fan is China's customary abbreviation for gas compression and gas delivery machinery. Commonly referred to fans include ventilators, blowers, and wind turbines.

[0003] After searching, the existing Chinese patent publication number is: CN219932554U, which provides a fan connection structure for a blower. The patent can be disassembled and assembled through the mounting base, fan blades and end cover, which is convenient for transportation and handling. The mounting base, fan blades and end cover can be fixed by screwing in screws through a wind gun. The installation is also relatively convenient. The installation position formed by the fan blade root and the first mounting groove and the second mounting groove is conducive to dispersing part of the force applied to the screw through the connecting root, thereby reducing the force applied to the bolt, thereby fully improving the firmness of the fan blade.

[0004] Although the above patent can be installed relatively conveniently and can improve the firmness of the fan blades, the above fan connection structure still has the following problems: the patent needs to be disassembled and installed during transportation and handling, which is too cumbersome, and the patent only uses fixing bolts to fix the fan blades, which causes uneven force on the fan blades and affects the service life.

[0005] In view of the above problems, a fan connection structure is proposed. Utility Model Content

[0006] The utility model aims to provide a fan connection structure for a blower, which solves the problem in the background art that the fan is too complicated to carry and the force on the fan is uneven.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a fan connection structure of a blower, including a fan blade, one end of which passes through and is fixedly connected to a rotating ring, a rotating component is arranged inside the rotating ring, and a fixed component is arranged inside the rotating ring.

[0008] By adopting the above technical solution, the fan blades are driven to rotate through the rotating ring.

[0009] As a further description of the above technical solution: the rotating component includes a first groove, and the first groove is fixedly connected to the rotating ring, and a first protrusion is arranged at the bottom of the rotating ring.

[0010] By adopting the above technical solution, a plurality of rotating rings can be fixed together vertically by embedding the first groove and the first protrusion together.

[0011] As a further description of the above technical solution: a second protrusion is slidably connected to the inner wall of the first groove, and a top cover is fixedly connected to the top of the second protrusion.

[0012] By adopting the above technical solution, the top cover can be fixed on the top of the rotating ring through the cooperation between the second protrusion and the first groove.

[0013] As a further description of the above technical solution: a middle portion of the top cover is penetrated and provided with evenly distributed first threaded holes, and the inner wall of the first threaded hole is threadedly connected with a second bolt.

[0014] By adopting the above technical solution, the second bolt can fix the top cover.

[0015] As a further description of the above technical solution: the second bolt passes through and is threadedly connected to a second threaded hole, the outer wall of the second threaded hole is fixedly connected to a bottom cover, a nut is provided at the bottom of the bottom cover, and the nut is threadedly connected to the second bolt.

[0016] By adopting the above technical solution, the bottom cover and the top cover can be fixed and the rotation of the two can be locked.

[0017] As a further description of the above technical solution: a second groove is arranged on the top of the bottom cover.

[0018] By adopting the above technical solution, the bottom cover and the rotating ring can be fixed.

[0019] As a further description of the above technical solution: the fixing assembly includes a fixing ring, the outer wall of the fixing ring is penetrated by and threadedly connected with a first bolt, the inner wall of the fixing ring is provided with evenly distributed first hole grooves, and the first hole grooves are threadedly connected with the second bolt.

[0020] By adopting the above technical solution, the fixing ring can be fixed to prevent it from rotating.

[0021] As a further description of the above technical solution: the first bolt passes through and is threadedly connected to a connecting block, the connecting block is provided with evenly distributed second holes and grooves, and the inner wall of the second hole and groove is passed through and threadedly connected to a second bolt and fixedly connected to the fan blade.

[0022] By adopting the above technical solution, the fan blades can be further fixed.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The fan connection structure of the blower provided by the utility model firstly realizes the linkage between the rotating ring, the first protrusion, the first groove, the first threaded hole, the first hole slot, the second hole slot, the second threaded hole and the nut. When it is not needed, the nut is loosened to release the pressure between the rotating rings, and all the fan blades are pushed to one position without disassembling the fan blades, which can effectively reduce the occupied space.

[0025] 2. The fan connection structure of the blower provided by the utility model distributes a fixed force to the fan blades through the linkage between the connecting block, the second hole groove, the first bolt, the rotating ring and the fan blades, so that the fan blades are evenly stressed, thereby extending the service life of the fan blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a schematic diagram of the rotating assembly of the utility model;

[0028] Figure 3 It is a contraction diagram of the utility model;

[0029] Figure 4 It is a schematic diagram of the top cover of the utility model;

[0030] Figure 5 It is a schematic diagram of the bottom cover of the utility model.

[0031] In the figure: 1, fan blade; 101, first bolt; 102, connecting block; 2, first threaded hole; 3, second bolt; 301, nut; 4, fixing ring; 5, rotating ring; 501, first groove; 502, first protrusion; 6, top cover; 601, second protrusion; 7, bottom cover; 701, second groove; 8, first hole slot; 9, second hole slot; 10, second threaded hole. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0034] Combination Figure 1The fan connection structure of the utility model includes a fan blade 1, one end of the fan blade 1 passes through and is fixedly connected with a rotating ring 5, a rotating component is arranged in the rotating ring 5, and a fixed component is arranged in the rotating ring 5. The fan blade 1 is driven to rotate by the rotating ring 5, and a top cover 6 is penetrated and provided with uniformly distributed first threaded holes 2 in the middle part, and the inner wall of the first threaded hole 2 is threadedly connected with a second bolt 3, so that the second bolt 3 can fix the top cover 6.

[0035] Combination Figure 2 and Figure 3 The rotating assembly includes a first groove 501, and the first groove 501 is fixedly connected to the rotating ring 5. A first protrusion 502 is arranged at the bottom of the rotating ring 5. Through the mutual embedding of the first groove 501 and the first protrusion 502, multiple rotating rings 5 ​​can be fixed together up and down. The fixing assembly includes a fixing ring 4, and the outer wall of the fixing ring 4 is penetrated by and threaded with a first bolt 101. The inner wall of the fixing ring 4 is provided with uniformly distributed first hole grooves 8, and the first hole grooves 8 are threadedly connected with the second bolts 3, which can fix the fixing ring 4 to prevent it from rotating. The first bolt 101 penetrates and is threadedly connected with a connecting block 102, and the connecting block 102 is provided with uniformly distributed second hole grooves 9, and the inner wall of the second hole groove 9 is penetrated by and threaded with the second bolt 3, and is fixedly connected to the fan blade 1, which can further fix the fan blade 1.

[0036] Combination Figure 4 and Figure 5 The inner wall of the first groove 501 is slidably connected with a second protrusion 601, and the top of the second protrusion 601 is fixedly connected with a top cover 6. Through the cooperation of the second protrusion 601 and the first groove 501, the top cover 6 can be fixed to the top of the rotating ring 5. The second bolt 3 passes through and is threadedly connected with a second threaded hole 10. The outer wall of the second threaded hole 10 is fixedly connected with a bottom cover 7. A nut 301 is provided at the bottom of the bottom cover 7, and the nut 301 is threadedly connected with the second bolt 3, so that the bottom cover 7 and the top cover 6 can be fixed and the rotation of the two can be locked. A second groove 701 is provided on the top of the bottom cover 7, so that the bottom cover 7 and the rotating ring 5 can be fixed.

[0037] Working principle: when in use, tighten the nut 301, and the second bolt 3 will cause the top cover 6 and the bottom cover 7 to press the internally stacked rotating ring 5, so that they fit tightly against each other and cannot rotate. When not in use, loosen the nut 301 to allow the rotating ring 5 to rotate, pushing all the fan blades 1 in one direction to reduce occupied space. The fixing ring 4 and the fan blade 1 are fixed by the connecting block 102, and the fan blade 1 is further fixed by the rotating ring 5, so that the fan blade 1 is tightly fixed by multiple fixing forces, thereby making the force more uniform and extending the service life.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan connection structure for a blower, comprising a fan blade (1), characterized in that: One end of the fan blade (1) passes through and is fixedly connected to a rotating ring (5), a rotating assembly is arranged inside the rotating ring (5), a fixed assembly is arranged inside the rotating ring (5), the rotating assembly includes a first groove (501), and the first groove (501) is fixedly connected to the rotating ring (5), and a first protrusion (502) is arranged at the bottom of the rotating ring (5).

2. The fan connection structure according to claim 1, characterized in that: The inner wall of the first groove (501) is slidably connected to a second protrusion (601), and the top of the second protrusion (601) is fixedly connected to a top cover (6).

3. The fan connection structure according to claim 2, characterized in that: The top cover (6) is penetrated by a middle portion thereof and is provided with evenly distributed first threaded holes (2), and the inner wall of the first threaded hole (2) is threadedly connected with a second bolt (3).

4. The fan connection structure according to claim 3, characterized in that: The second bolt (3) passes through and is threadedly connected to a second threaded hole (10); the outer wall of the second threaded hole (10) is fixedly connected to a bottom cover (7); a nut (301) is provided at the bottom of the bottom cover (7), and the nut (301) is threadedly connected to the second bolt (3).

5. The fan connection structure according to claim 4, characterized in that: The top of the bottom cover (7) is provided with a second groove (701).

6. The fan connection structure according to claim 1, characterized in that: The fixing assembly comprises a fixing ring (4), the outer wall of the fixing ring (4) is penetrated by a first bolt (101) and is threadedly connected thereto, the inner wall of the fixing ring (4) is provided with evenly distributed first hole grooves (8), and the first hole grooves (8) are threadedly connected to the second bolts (3).

7. The fan connection structure according to claim 6, characterized in that: The first bolt (101) passes through and is threadedly connected to a connecting block (102), the connecting block (102) is provided with evenly distributed second hole grooves (9), and the inner wall of the second hole groove (9) is passed through and threadedly connected to a second bolt (3), and is fixedly connected to the fan blade (1).

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