A fan blade with high dynamic balance

Abstract

The utility model discloses a fan blade with high dynamic balance, and relates to the technical field related to fan blades. The utility model comprises a ring seat; a plurality of connection blocks evenly distributed in an annular shape are fixed to the peripheral side surface of the ring seat, a toothed ring is fixed to the peripheral side of the connection block near the peripheral side surface of the ring seat, a connection cylinder is rotatably sleeved on the connection block, and the inner side wall of the end of the connection cylinder is provided with a tooth opening meshing with the toothed ring, and the end surface of the connection cylinder away from the ring seat is fixed with two assembly plates symmetrically arranged in the upper and lower directions, and a blade is arranged at a position between the two assembly plates, and a locking assembly for connecting the assembly plate and the blade is arranged on the upper end surface of the assembly plate. The utility model controls the movement of the connection cylinder to control the tooth opening to be disconnected from the toothed ring, so as to adjust the inclination angle of the blade, and the assembly plate and the locking assembly are used in coordination to facilitate the assembly and disassembly of the blade.

Description

Technical Field

[0001] The utility model belongs to the technical field related to fan blades, and particularly relates to a fan blade with high dynamic balance. Background Art

[0002] A fan blade is a common air acceleration device, usually used in applications that require air to generate airflow or wind power, such as fans, air conditioners, turbines, etc. It pushes the air in a specific direction by rotating to achieve the effect of accelerating air flow. The basic principle of a fan blade is to generate a rotational motion and use the design and placement of the blades to make the air flow.

[0003] However, when using existing fan blades, since the blades and frames are mostly welded in one piece, it is not easy to adjust the inclination angle of the fan blades, and thus it is not possible to adjust and process according to the use needs; at the same time, when a single blade is damaged, it is not possible to quickly replace it, which affects the normal use of the fan blade. To this end, we provide a fan blade with high dynamic balance to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a fan blade with high dynamic balance, which controls the movement of the connecting tube to control the tooth mouth and the tooth ring to be disconnected, so as to adjust the inclination angle of the blade. At the same time, the assembly plate and the locking assembly are used in coordination to facilitate the assembly and disassembly of the blade.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a fan blade with high dynamic balance, comprising a ring seat; a plurality of connecting blocks evenly distributed in an annular shape are fixed to the peripheral side surface of the ring seat, toothed rings are fixed to the peripheral sides of the connecting blocks near the peripheral side surfaces of the ring seat, connecting tubes are rotatably sleeved on the connecting blocks, toothed openings meshing with the toothed rings are opened on the inner side walls of the ends of the connecting tubes, two assembly plates symmetrically arranged in an upper and lower manner are fixed to the end surfaces of the connecting tubes away from the ring seat, blades are arranged at the positions between the two assembly plates, and locking components for connecting the assembly plates and the blades are arranged on the upper end surfaces of the assembly plates.

[0007] The utility model is further configured that a mounting plate is arranged at the axial center position of the inner side of the ring seat, and a plurality of connecting rods evenly distributed in an annular shape are fixed between the mounting plate and the inner side surface of the ring seat.

[0008] The utility model is further configured such that a limiting hole is provided at a middle position of the end surface of the connection block, and a movable opening with a hole diameter larger than the limiting hole is provided inside the connection block.

[0009] The utility model is further configured such that the end faces inside the connecting tube are fixed with moving rods that slide through the inner position of the limiting hole, and the end faces of the moving rods inside the movable opening are fixed with circular plates that are connected to the inner side faces.

[0010] The utility model is further configured that the end surface of the circular plate corresponding to the limiting hole is fixed with a spring sleeved on the moving rod, and the other end of the spring is in contact with the inner end surface of the movable opening.

[0011] The utility model is further configured such that the end surface of the blade between the two assembly plates is provided with two symmetrically arranged plug holes, and the assembly plates are provided with assembly holes at positions corresponding to the plug holes.

[0012] The utility model is further configured that the locking assembly includes bolts and nuts, and the bolts pass through assembly holes and plug holes at upper and lower positions and are connected with the nuts to assemble the assembly plate and the blades.

[0013] The utility model has the following beneficial effects:

[0014] When the utility model is in use, the connecting tube is controlled to move in a direction away from the ring seat, and then the connecting tube drives the tooth opening to disengage from the position of the tooth ring. At this time, the tooth ring no longer limits the tooth opening, so that the connecting tube can be rotated, and the connecting tube directly drives the blade to rotate through the assembly plate, so as to adjust the inclination angle of the blade.

[0015] When the utility model is in use, the locking assembly is unscrewed during assembly, so that the assembly plate and the blade are no longer in a connected state, and the blade is controlled to move laterally so that the blade can be disengaged from the position between the two assembly plates, thereby realizing the disassembly and replacement of the blade.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 The figure is a schematic diagram of the structure of a fan blade with high dynamic balance.

[0019] Figure 2 This is the external structure diagram of the ring seat in the utility model.

[0020] Figure 3 It is a structural diagram of the connecting tube in the utility model.

[0021] Figure 4 This is the internal structure diagram of the ring seat in the utility model.

[0022] Figure 5 It is a structural diagram of the blades in the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1-ring seat, 101-connecting block, 102-limiting hole, 103-tooth ring, 104-mounting plate, 105-connecting rod, 106-movable port, 2-connecting cylinder, 201-tooth mouth, 202-moving rod, 203-circular plate, 204-spring, 206-assembly plate, 207-assembly hole, 3-blade, 301-plug hole, 4-locking assembly. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] Example 1, please refer to Figures 1 to 5 The utility model is a fan blade with high dynamic balance. By controlling the movement of the connecting tube 2, the tooth mouth 201 is controlled to be disconnected from the gear ring 103, so that the inclination angle of the blade 3 can be adjusted. At the same time, the assembly plate 206 and the locking assembly 4 are used in conjunction to facilitate the assembly and disassembly of the blade 3.

[0027] Specifically, the ring seat 1; a plurality of connecting blocks 101 evenly distributed in an annular shape are fixed to the circumferential side surface of the ring seat 1, gear rings 103 are fixed to the circumferential sides of the connecting blocks 101 near the circumferential sides of the ring seat 1, a connecting tube 2 is rotatably sleeved on the connecting blocks 101, and the inner side walls of the ends of the connecting tubes 2 are provided with gear openings 201 meshing with the gear rings 103, and the end surfaces of the connecting tubes 2 away from the ring seat 1 are fixed with two assembly plates 206 symmetrically arranged in an upper and lower manner, a blade 3 is arranged at a position between the two assembly plates 206, and a locking assembly 4 for connecting the assembly plate 206 and the blade 3 is arranged on the upper end surfaces of the assembly plates 206.

[0028] The operation process of this embodiment is as follows: through the above-mentioned structure, when the inclination angle of the blade 3 needs to be adjusted, the connecting tube 2 can be directly controlled to move in the direction away from the ring seat 1, and then the connecting tube 2 will drive the tooth mouth 201 to disengage from the position of the gear ring 103. At this time, the gear ring 103 no longer limits the tooth mouth 201, so that the connecting tube 2 can be rotated, and the connecting tube 2 will directly drive the blade 3 to rotate through the assembly plate 206, so as to adjust the inclination angle of the blade 3. At the same time, when disassembling the blade 3, the locking assembly 4 can be unscrewed on the assembly, so that the assembly plate 206 and the blade 3 are no longer in a connected state, and then the blade 3 is controlled to move horizontally, so that the blade 3 can be disengaged from the position between the two assembly plates 206, so as to realize the disassembly and replacement of the blade 3. At the same time, one end of the blade 3 is located between the two assembly plates 206, so as to ensure the balance of the rotation process of the blade 3.

[0029] Example 2, please refer to Figure 3 , Figure 4 and Figure 5 On the basis of Example 1, the plug hole 301 is aligned with the assembly hole 207 to facilitate accurate assembly.

[0030] Specifically, a mounting plate 104 is provided at the axial position on the inner side of the ring seat 1, and a plurality of connecting rods 105 evenly distributed in a ring shape are fixed between the mounting plate 104 and the inner side surface of the ring seat 1. The end surface of the blade 3 between the two assembly plates 206 is provided with two symmetrically arranged plug holes 301, and the assembly plates 206 are provided with assembly holes 207 at positions corresponding to the plug holes 301. The locking assembly 4 includes bolts and nuts, and the bolts pass through the assembly holes 207 at the upper and lower positions, the plug holes 301 and the nuts to assemble the assembly plate 206 and the blade 3.

[0031] The operation process of this embodiment is: by controlling the rotation between the nut and the bolt, the locking assembly 4 can be removed from the assembly plate 206. At the same time, when installing the blade 3, the blade 3 can be slid to a position between the two assembly plates 206, and the bolt can be passed through the inside of the assembly hole 207 and the plug-in hole 301, so that the blade 3 can be installed in a position between the two assembly plates 206.

[0032] Example 3, please refer to Figure 2 , Figure 3 and Figure 4 On the basis of Example 1, the spring 204 pushes the circular plate 203 so that the tooth opening 201 and the tooth ring 103 can be stably engaged, thereby ensuring the stability of the blade 3 after the inclination angle is adjusted.

[0033] Specifically, a limiting hole 102 is provided in the middle position of the end face of the connecting block 101, and a movable opening 106 with a hole diameter larger than the limiting hole 102 is provided inside the connecting block 101. A moving rod 202 that slides through the internal position of the limiting hole 102 is fixed to the end face inside the connecting tube 2, and a circular plate 203 connected to the inner side surface is fixed to the end face of the moving rod 202 inside the movable opening 106, and a spring 204 mounted on the moving rod 202 is fixed to the end face of the circular plate 203 corresponding to the limiting hole 102, and the other end of the spring 204 is in contact with the inner end face of the movable opening 106.

[0034] The operation process of this embodiment is as follows: when it is necessary to control the movement of the connecting tube 2, the connecting tube 2 will drive the moving rod 202 to slide in the internal position of the limiting hole 102, and thereby drive the circular plate 203 to slide in the internal position of the movable opening 106, so that the circular plate 203 will compress the spring 204. Therefore, when the connecting tube 2 is released, the spring 204 at this time will push the circular plate 203 to reset, thereby driving the connecting tube 2 to be re-installed on the connecting block 101, so that the tooth mouth 201 is stably engaged with the tooth ring 103, so that the blade 3 is stable after the angle.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fan blade with high dynamic balance, comprising a ring seat (1); characterized in that: A plurality of connection blocks (101) evenly distributed in an annular shape are fixed to the peripheral side surface of the ring seat (1); a toothed ring (103) is fixed to the peripheral side of the connection block (101) at a position close to the peripheral side surface of the ring seat (1); a connection tube (2) is rotatably sleeved on the connection block (101); an inner side wall of an end of the connection tube (2) is provided with a tooth opening (201) meshing with the toothed ring (103); two assembly plates (206) symmetrically arranged in an upper and lower direction are fixed to the end surface of the connection tube (2) away from the ring seat (1); a blade (3) is arranged at a position between the two assembly plates (206); and a locking assembly (4) for connecting the assembly plate (206) and the blade (3) is arranged on the upper end surface of the assembly plate (206).

2. A fan blade with high dynamic balance according to claim 1, characterized in that: A mounting plate (104) is arranged at the axial center position inside the ring seat (1), and a plurality of connecting rods (105) evenly distributed in an annular shape are fixed between the mounting plate (104) and the inner side surface of the ring seat (1).

3. The fan blade with high dynamic balance according to claim 1, characterized in that: A limiting hole (102) is provided in the middle of the end surface of the connection block (101), and a movable opening (106) having a larger diameter than the limiting hole (102) is provided inside the connection block (101).

4. The fan blade with high dynamic balance according to claim 3, characterized in that: The end surfaces inside the connecting tube (2) are fixed with moving rods (202) that slide through the internal position of the limiting hole (102), and the end surfaces of the moving rods (202) inside the movable opening (106) are fixed with circular plates (203) that are connected to the inner side surfaces.

5. The fan blade with high dynamic balance according to claim 4, characterized in that: A spring (204) sleeved on the moving rod (202) is fixed to the end surface of the circular plate (203) corresponding to the limiting hole (102), and the other end of the spring (204) is in contact with the inner end surface of the movable opening (106).

6. The fan blade with high dynamic balance according to claim 1, characterized in that: The end surface of the blade (3) between the two assembly plates (206) is provided with two symmetrically arranged plug holes (301), and the assembly plates (206) are provided with assembly holes (207) at positions corresponding to the plug holes (301).

7. The fan blade with high dynamic balance according to claim 6, characterized in that: The locking assembly (4) comprises a bolt and a nut, wherein the bolt passes through the assembly holes (207) at the upper and lower positions and the plug hole (301) and is connected to the nut to assemble the assembly plate (206) and the blade (3).

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