Novel direct-current rotor and impeller combination

Abstract

The utility model discloses a novel direct-current rotor impeller combination which comprises an outer base, a first inner base is arranged on the inner wall of the outer base, a second inner base is fixed to the inner wall of the first inner base, a piece containing cavity is formed in the second inner base, and the two ends of the piece containing cavity extend to the outside of the second inner base. A part containing base is arranged in the part containing cavity, the two ends of the part containing base extend out of the part containing cavity, an outer rotor part is arranged at the top end of the part containing base, and a driving shaft is installed in the center of the interior of the outer rotor part. According to the double-face air inlet impeller assembly, the purpose of double-face air inlet can be achieved, the requirements for high air pressure and high air volume are met, the impeller assembly is suitable for being used in an air blower, the impeller assembly can be driven by the driving shaft to rotate integrally, efficient ventilation and air induction are conducted through related parts such as the upper impeller blade and the lower impeller blade, and the air inlet efficiency is improved. And moreover, the integral structure of the impeller combination is relatively simple, so that the impeller combination is easy to manufacture and produce.

Description

Technical Field

[0001] The utility model relates to the technical field of DC fans, in particular to a novel DC rotor and impeller combination. Background Art

[0002] A DC fan is a type of fan that converts DC power into mechanical energy by inputting DC power to rotate the DC motor and drive the fan impeller to rotate. A DC fan is usually composed of multiple components, and the DC rotor impeller combination is one of the many components.

[0003] Reference publication number CN213392841U is a centrifugal fan combined impeller, which includes a motor, a casing, a cover plate, and an air inlet is provided on the casing. The output end of the motor is fixedly connected to a rear cover plate, and the front side of the rear cover plate is fixedly connected to a positioning column. The front side of the positioning column is provided with a front cover plate, and a positioning bolt is provided between the front cover plate and the positioning column. The rear end face of the rear cover plate is fixedly connected to a round table, and the side edge of the rear cover plate is fixedly installed with a positioning groove. A base is provided in each of the positioning grooves, and the front end face of each of the bases is rotatably connected to a blade through a pin shaft, and the rear side of the pin shaft is fixedly connected to a first gear. A motor is fixedly installed in the round table, and the output end of the motor is fixedly connected to a connecting rod. The device has the characteristics of convenient adjustment and use, and can change the type and use environment to adjust different exhaust volumes. According to the above, although the impeller combination can be well applied, it is usually not convenient for double-sided air intake, and thus it is difficult to meet the needs of high wind pressure and high air volume, and it is difficult to be used in a blower, which often troubles people. Utility Model Content

[0004] The purpose of the utility model is to provide a novel DC rotor impeller combination to solve the problem that the impeller combination proposed in the above background technology can be well applied but is usually not convenient for double-sided air intake, and thus it is difficult to meet the requirements of high air pressure and high air volume, and is difficult to be used in a blower.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel DC rotor impeller combination, comprising an outer base, a first inner base is arranged on the inner wall of the outer base, the outer diameter of the first inner base is equal to the inner diameter of the outer base, a second inner base is fixed on the inner wall of the first inner base, the outer diameter of the second inner base is equal to the inner diameter of the first inner base, a mounting cavity is arranged inside the second inner base, both ends of the mounting cavity extend to the outside of the second inner base, a mounting seat is arranged inside the mounting cavity, both ends of the mounting seat extend to the outside of the mounting cavity, an outer rotor component is arranged at the top end of the mounting seat, a drive shaft is installed at the center position inside the outer rotor component, and the top end of the drive shaft extends to the outside of the outer rotor component.

[0006] Preferably, an upper shell is arranged above the outer base, and the upper shell is arranged in a hollow annular structure, so that the upper impeller blade can be placed.

[0007] Preferably, a lower shell is provided below the outer base, and the lower shell is provided in a hollow annular structure, so that the lower impeller blade can be placed.

[0008] Preferably, upper impeller blades with equal spacing are provided on the inner wall of the upper shell body, and the bottom ends of the upper impeller blades are fixedly connected to the top end of the outer base. The upper impeller blades are provided so as to facilitate the placement of the upper ventilation cavity.

[0009] Preferably, lower impeller blades with equal spacing are provided on the inner wall of the lower shell body, and the top end of the lower impeller blade is fixedly connected to the bottom end of the outer base, so that the lower ventilation cavity can be arranged through the arrangement of the lower impeller blade.

[0010] Preferably, upper ventilation cavities are provided above the outer bases between the upper impeller blades, and the number of the upper ventilation cavities is equal to the number of the upper impeller blades. The upper ventilation cavities are provided to facilitate ventilation and air induction processing.

[0011] Preferably, lower ventilation cavities are provided below the outer bases between the lower impeller blades, and the number of the lower ventilation cavities is equal to the number of the lower impeller blades. The lower ventilation cavities are provided to facilitate ventilation and air induction processing.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the novel DC rotor impeller combination can be designed as a multi-wing structure by setting a plurality of upper impeller blades and lower impeller blades, and upper ventilation cavities and lower ventilation cavities are respectively set between adjacent upper impeller blades and adjacent lower impeller blades, so as to achieve the purpose of double-sided air intake to meet the requirements of high wind pressure and high air volume, so that the impeller combination is suitable for use in the blower, thereby improving the ventilation and air induction effects of the DC rotor fan when the impeller combination is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the top structure of the upper shell of the utility model;

[0015] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0016] Figure 4 It is a bottom view of the structure of the lower shell of the utility model.

[0017] In the figure: 1, outer base; 2, upper shell; 3, lower shell; 4, mounting seat; 5, outer rotor; 6, driving shaft; 7, first inner base; 8, second inner base; 9, mounting cavity; 10, upper impeller blade; 1001, upper ventilation cavity; 11, lower impeller blade; 1101, lower ventilation cavity. DETAILED DESCRIPTION

[0018] 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. 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.

[0019] See also Figure 1-4 The utility model provides an embodiment: a novel DC rotor impeller assembly, comprising an outer base 1, an upper shell 2 is arranged above the outer base 1, and the upper shell 2 is arranged in a hollow annular structure;

[0020] When in use, the upper housing 2 is arranged so as to place the upper impeller blade 10;

[0021] The inner wall of the upper shell 2 is provided with upper impeller blades 10 at equal intervals, and the bottom ends of the upper impeller blades 10 are fixedly connected to the top end of the outer base 1;

[0022] When in use, the upper impeller blade 10 is arranged so as to place and process the upper ventilation chamber 1001;

[0023] Upper ventilation cavities 1001 are provided above the outer base 1 between the upper impeller blades 10, and the number of the upper ventilation cavities 1001 is equal to the number of the upper impeller blades 10;

[0024] When in use, the upper ventilation cavity 1001 is provided to facilitate ventilation and air induction.

[0025] A lower shell 3 is disposed below the outer base 1, and the lower shell 3 is arranged in a hollow annular structure;

[0026] When in use, the lower housing 3 is arranged so as to place the lower impeller blade 11;

[0027] The inner wall of the lower housing 3 is provided with lower impeller blades 11 at equal intervals, and the top end of the lower impeller blades 11 is fixedly connected to the bottom end of the outer base 1;

[0028] When in use, the lower impeller blade 11 is arranged so as to place and process the lower ventilation chamber 1101;

[0029] A lower ventilation cavity 1101 is provided below the outer base 1 between the lower impeller blades 11, and the number of the lower ventilation cavity 1101 is equal to the number of the lower impeller blades 11;

[0030] When in use, the lower ventilation cavity 1101 is provided to facilitate ventilation and air induction.

[0031] A first inner base 7 is arranged on the inner wall of the outer base 1, and the outer diameter of the first inner base 7 is equal to the inner diameter of the outer base 1. A second inner base 8 is fixed on the inner wall of the first inner base 7, and the outer diameter of the second inner base 8 is equal to the inner diameter of the first inner base 7. A placement cavity 9 is arranged inside the second inner base 8, and both ends of the placement cavity 9 extend to the outside of the second inner base 8.

[0032] A component seat 4 is provided inside the component cavity 9, both ends of which extend to the outside of the component cavity 9, an outer rotor component 5 is provided at the top of the component seat 4, a driving shaft 6 is installed at the center position inside the outer rotor component 5, and the top of the driving shaft 6 extends to the outside of the outer rotor component 5.

[0033] When the embodiment of the present application is in use, firstly, by setting a plurality of upper impeller blades 10 and lower impeller blades 11, and respectively setting an upper ventilation cavity 1001 and a lower ventilation cavity 1101 between adjacent upper impeller blades 10 and adjacent lower impeller blades 11, the impeller combination can be designed as a multi-wing structure, thereby achieving the purpose of double-sided air intake to meet the requirements of high wind pressure and high air volume, so that the impeller combination is suitable for use in a blower. Then, by setting the outer rotor component 5 and the drive shaft 6, it is only necessary to lock the rotating drive component to the drive shaft 6. When the rotating drive component is running, the impeller combination can be driven to rotate as a whole through the drive shaft 6, so as to achieve efficient ventilation and air induction through the upper impeller blades 10, the lower impeller blades 11 and other related components. Finally, the impeller combination is formed by combining the outer base 1 and the outer rotor component 5 in cooperation with auxiliary components, so that the overall structure of the impeller combination is relatively simple, and thus it is easy to manufacture and produce the impeller combination, thereby completing the use of the DC rotor impeller combination.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A novel DC rotor impeller assembly, characterized in that: The invention comprises an outer base (1), wherein a first inner base (7) is arranged on the inner wall of the outer base (1), wherein the outer diameter of the first inner base (7) is equal to the inner diameter of the outer base (1), wherein a second inner base (8) is fixed on the inner wall of the first inner base (7), wherein the outer diameter of the second inner base (8) is equal to the inner diameter of the first inner base (7), wherein a mounting cavity (9) is arranged inside the second inner base (8), wherein both ends of the mounting cavity (9) extend to the outside of the second inner base (8), wherein a mounting seat (4) is arranged inside the mounting cavity (9), wherein both ends of the mounting seat (4) extend to the outside of the mounting cavity (9), wherein an outer rotor (5) is arranged at the top end of the mounting seat (4), wherein a driving shaft (6) is installed at the center position inside the outer rotor (5), wherein the top end of the driving shaft (6) extends to the outside of the outer rotor (5).

2. A novel DC rotor impeller assembly according to claim 1, characterized in that: An upper shell (2) is arranged above the outer base (1), and the upper shell (2) is arranged in a hollow annular structure.

3. A novel DC rotor impeller assembly according to claim 1, characterized in that: A lower shell (3) is arranged below the outer base (1), and the lower shell (3) is arranged in a hollow annular structure.

4. A novel DC rotor impeller assembly according to claim 2, characterized in that: Upper impeller blades (10) are arranged at equal intervals on the inner wall of the upper shell (2), and the bottom ends of the upper impeller blades (10) are fixedly connected to the top end of the outer base (1).

5. A novel DC rotor impeller assembly according to claim 3, characterized in that: Lower impeller blades (11) are arranged at equal intervals on the inner wall of the lower shell (3), and the top end of the lower impeller blade (11) is fixedly connected to the bottom end of the outer base (1).

6. A novel DC rotor impeller assembly according to claim 4, characterized in that: Upper ventilation cavities (1001) are provided above the outer base (1) between the upper impeller blades (10), and the number of the upper ventilation cavities (1001) is equal to the number of the upper impeller blades (10).

7. A novel DC rotor impeller assembly according to claim 5, characterized in that: A lower ventilation cavity (1101) is provided below the outer base (1) between the lower impeller blades (11), and the number of the lower ventilation cavities (1101) is equal to the number of the lower impeller blades (11).

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