Wind wheel and air blower applying same

Abstract

The wind wheel comprises a top panel, a bottom panel and a plurality of wind blades which are installed and connected between the top panel and the bottom panel, an air inlet is formed in the middle of the bottom panel, an air channel is formed between every two adjacent wind blades, a connecting base connected with a motor shaft is arranged in the middle of the top panel, and an air inlet is formed in the middle of the bottom panel. The negative pressure air blower volute is characterized in that an auxiliary air blade is arranged on the inner side edge or the outer side edge of each negative pressure air blade, the action area of the negative pressure blades is increased, and the negative pressure air blower volute is used for improving static pressure in the air blower volute.

Description

Technical Field

[0001] The utility model relates to a wind wheel and a blower using the same. Background Art

[0002] The existing wind wheel is shown in patent number 201820477342.6, and is named a wind wheel and a blower using the same. Several negative pressure blades protrude from the top panel of the wind wheel, and the negative pressure blades are used to increase the static pressure inside the volute. Since the static pressure generated by this structural arrangement is low and insufficient to meet development needs, it is necessary to improve the wind wheel structure so that the wind wheel can provide greater static pressure at the same speed and state. Summary of the Invention

[0003] The purpose of the utility model is to provide a wind wheel and a blower using the same, so as to solve the technical problem that the static pressure generated by the negative pressure blades in the prior art is low and insufficient to meet the development needs, and the wind wheel structure needs to be improved so that the wind wheel can provide greater static pressure at the same speed and state.

[0004] The technical solution of the present utility model is achieved as follows:

[0005] The utility model provides a wind wheel, comprising a top panel, a bottom panel and a plurality of wind blades installed and connected between the top panel and the bottom panel, an air inlet is arranged in the middle of the bottom panel, an air duct is formed between two adjacent wind blades, a connecting seat connected to the motor shaft is arranged in the middle of the top panel, and a plurality of negative pressure wind blades uniformly distributed around the axial direction are protruded from the edge of the top panel, characterized in that an auxiliary wind blade is arranged on the inner edge or the outer edge of each negative pressure wind blade.

[0006] The auxiliary air blades mentioned above are arranged on the inner edge of the negative pressure air blades.

[0007] The auxiliary wind blade described above is a triangular arc-shaped blade, and the auxiliary wind blade includes a first side, a first bottom edge and a first connecting edge. The first side is connected to the inner edge of the negative pressure wind blade, the first bottom edge is connected to the end face of the top panel, and the first connecting edge is connected between the first side and the first bottom edge. The surface of the first connecting edge is an arc surface.

[0008] The auxiliary wind blade is a triangular arc-shaped blade, and the auxiliary wind blade includes a first side, a first bottom edge and a first connecting edge. The first side is connected to the inner edge of the negative pressure wind blade, the first bottom edge is connected to the end surface of the top panel, and the first connecting edge is connected between the first side edge and the first bottom edge. The top of the surface of the first connecting edge is an inclined surface toward the middle section, and the middle section is an arc surface toward the bottom of the surface.

[0009] The auxiliary wind blades, negative pressure wind blades, several wind blades and the top panel are integrally injection-molded, or the negative pressure wind blades, several wind blades and the top panel are integrally injection-molded.

[0010] A blower includes a volute, a cover plate, a motor and a wind wheel, and is characterized in that the wind wheel is the wind wheel described above.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The utility model includes a top panel, a bottom panel and a plurality of wind blades installed and connected between the top panel and the bottom panel. An air inlet is provided in the middle of the bottom panel, and an air duct is formed between two adjacent wind blades. A connecting seat connected to the motor shaft is provided in the middle of the top panel. A plurality of negative pressure wind blades uniformly distributed around the axial direction protrude from the edge of the top panel. The utility model is characterized in that an auxiliary wind blade is provided on the inner edge or the outer edge of each negative pressure wind blade to increase the effective area of ​​the negative pressure blade and to improve the static pressure inside the blower volute.

[0013] 2. Other advantages of the present invention are described in detail in the embodiment section of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A perspective view of the first embodiment of the present invention;

[0015] Figure 2 A three-dimensional diagram from another angle provided for the first embodiment of the present invention;

[0016] Figure 3 This is a three-dimensional diagram provided for the second embodiment of the present utility model. DETAILED DESCRIPTION

[0017] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Example 1:

[0019] like Figures 1 to 2As shown, this embodiment provides a wind wheel, including a top panel 1, a bottom panel 2 and a plurality of wind blades 3 installed and connected between the top panel 1 and the bottom panel 2, an air inlet 21 is arranged in the middle of the bottom panel 2, and an air duct 22 is formed between two adjacent wind blades 3, a connecting seat 11 connected to the motor shaft is provided in the middle of the top panel 1, and a plurality of negative pressure wind blades 12 uniformly distributed around the axial direction protrude from the edge of the top panel 1, which is characterized in that an auxiliary wind blade 13 is provided on the inner edge or outer edge of each negative pressure wind blade 12 to increase the effective area of ​​the negative pressure blade, so as to improve the static pressure inside the blower volute.

[0020] The auxiliary wind blades 13 are arranged on the inner edge of the negative pressure wind blades 12, and the structure is reasonably arranged. Arrangement on the inner edge does not require additional increase in the outer diameter of the wind wheel structure to achieve improvement of the static pressure inside the blower volute.

[0021] The above-mentioned auxiliary wind blade 13 is a triangular arc-shaped blade, and the auxiliary wind blade 13 includes a first side 131, a first bottom edge 132 and a first connecting edge 133. The first side 131 is connected to the inner edge of the negative pressure wind blade 12, the first bottom edge 132 is connected to the end surface of the top panel 1, and the first connecting edge 133 is connected between the first side 131 and the first bottom edge 132. The surface of the first connecting edge 133 is an arc surface 133a, which increases the effective area of ​​the negative pressure blade and is used to improve the static pressure inside the volute of the induced draft fan.

[0022] The auxiliary wind blades 13, negative pressure wind blades 12, several wind blades 3 and the top panel 1 are integrally injection molded, or the negative pressure wind blades 12, several wind blades 3 and the top panel 1 are integrally injection molded, which is convenient for manufacturing.

[0023] Example 2:

[0024] like Figure 3 As shown, this embodiment is further improved based on the first embodiment, the auxiliary wind blade 13 is a triangular arc-shaped blade, the auxiliary wind blade 13 includes a first side 131, a first bottom edge 132 and a first connecting edge 133, the first side 131 is connected to the inner edge of the negative pressure wind blade 12, the first bottom edge 132 is connected to the end surface of the top panel 1, the first connecting edge 133 is connected between the first side 131 and the first bottom edge 132, the top of the surface of the first connecting edge 133 is an inclined surface 133b toward the middle section, and the middle section is an arc surface 133c toward the bottom of the surface, which increases the effective area of ​​the negative pressure blade and is used to improve the static pressure inside the volute of the induced draft fan.

[0025] Example 3:

[0026] A blower includes a volute, a cover plate, a motor and a wind wheel, wherein the wind wheel is the wind wheel described in Example 1 or Example 2.

[0027] The above embodiments are preferred implementation methods of the present invention, but the implementation methods of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention are equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A wind wheel, comprising a top panel (1), a bottom panel (2), and a plurality of wind blades (3) installed and connected between the top panel (1) and the bottom panel (2), an air inlet (21) is provided in the middle of the bottom panel (2), an air duct (22) is formed between two adjacent wind blades (3), a connecting seat (11) connected to a motor shaft is provided in the middle of the top panel (1), and a plurality of negative pressure wind blades (12) uniformly distributed around the axial direction are protruded from the edge of the top panel (1), characterized in that: An auxiliary wind blade (13) is provided on the inner edge or the outer edge of each negative pressure wind blade (12).

2. The wind wheel according to claim 1, characterized in that: The auxiliary wind blade (13) is arranged on the inner edge of the negative pressure wind blade (12).

3. The wind wheel according to claim 2, characterized in that: The auxiliary wind blade (13) is a triangular arc-shaped blade. The auxiliary wind blade (13) includes a first side edge (131), a first bottom edge (132) and a first connecting edge (133). The first side edge (131) is connected to the inner edge of the negative pressure wind blade (12), the first bottom edge (132) is connected to the end surface of the top panel (1), and the first connecting edge (133) is connected between the first side edge (131) and the first bottom edge (132). The surface of the first connecting edge (133) is an arc surface (133a).

4. The wind wheel according to claim 2, characterized in that: The auxiliary wind blade (13) is a triangular arc-shaped blade. The auxiliary wind blade (13) includes a first side edge (131), a first bottom edge (132) and a first connecting edge (133). The first side edge (131) is connected to the inner edge of the negative pressure wind blade (12), the first bottom edge (132) is connected to the end surface of the top panel (1), and the first connecting edge (133) is connected between the first side edge (131) and the first bottom edge (132). The top of the surface of the first connecting edge (133) is an inclined surface (133b) toward the middle section, and the middle section is an arc surface (133c) toward the bottom of the surface.

5. A wind wheel according to claim 1, 2, 3 or 4, characterized in that: The auxiliary wind blades (13), the negative pressure wind blades (12), the plurality of wind blades (3) and the top panel (1) are integrally injection-molded, or the negative pressure wind blades (12), the plurality of wind blades (3) and the top panel (1) are integrally injection-molded.

6. A blower comprising a volute, a cover plate, a motor and a wind wheel, characterized in that: The wind wheel is the wind wheel described in any one of claims 1 to 5.

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