Balanced operation fan device

Abstract

The utility model discloses a fan device running in a balanced mode, and belongs to the technical field of fan equipment. The fan device mainly comprises a supporting mechanism, a driving motor, a fan blade mechanism, a rotating shaft and an anti-shaking component. Wherein one side of the supporting mechanism is connected with a driving motor, the other side of the supporting mechanism is indirectly connected with a fan blade mechanism, and a fan impeller is arranged in the fan blade mechanism; the driving end of the driving motor is connected with one end of the rotating shaft, and the other end of the rotating shaft penetrates through the supporting mechanism to be connected with the fan impeller. An anti-shaking component is arranged between the supporting mechanism and the fan blade mechanism, a barrel is arranged in the anti-shaking component and arranged on the periphery of the rotating shaft in a surrounding mode, and a first bearing assembly and a second bearing assembly are arranged in the barrel. And the length of the barrel body is at least 3 / 4 of the length of the rotating shaft between the supporting mechanism and the fan blade mechanism. Compared with the prior art, the fan device has the advantages that the shaking phenomenon of the fan impeller is reduced, so that the service life of the fan device is prolonged to a certain extent, and the fan device has higher practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan equipment technical field, especially a fan device of balanced operation. BACKGROUND

[0002] Fan device can convert the electric energy of outside input into mechanical energy, thereby realizing the purpose of mobilizing surrounding gas. The staff electrifies the driving motor in the fan device, and the driving motor drives the rotating shaft arranged at the driving end to rotate at high speed, and the rotating shaft drives the fan impeller connected with the rotating shaft to rotate at high speed. Wherein, the outer wall of the rotating shaft is usually provided with a deep groove ball bearing to support its rotation.

[0003] However, the fan impeller often appears the phenomenon of shaking in the working process of the above-mentioned fan device, which may aggravate the wear degree between the rotating shaft and the deep groove ball bearing, and generally shortens the service life of the fan device. UTILITY MODEL CONTENT

[0004] In order to solve the defects of the prior art, the fan device of balanced operation provided by the utility model mainly includes a driving motor, a supporting mechanism, a fan blade mechanism, an anti-shaking member and a rotating shaft. When the fan device works, the tapered roller bearing in the anti-shaking member can bear the radial load generated when the rotating shaft rotates at high speed, so that the fan impeller runs balanced, thereby reducing the phenomenon of fan impeller shaking. In addition, the cylinder in the anti-shaking member can further reduce the phenomenon of fan impeller shaking. Compared with the prior art, the utility model reduces the wear degree between the rotating shaft and the tapered roller bearing, thereby reducing the phenomenon of fan impeller shaking, thereby prolonging the service life of the fan device in the prior art to a certain extent, so it has high practicability.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The fan device of balanced operation comprises:

[0007] The supporting mechanism is connected with the driving motor on one side and indirectly connected with the fan blade mechanism on the other side, and the fan blade mechanism is provided with a fan impeller;

[0008] The rotating shaft is directly or indirectly connected with the driving end of the driving motor on one end, and the other end of the rotating shaft is connected with the fan impeller through the supporting mechanism;

[0009] The anti-shaking member is arranged between the supporting mechanism and the fan blade mechanism, and the anti-shaking member comprises:

[0010] The cylinder is arranged around the periphery of the rotating shaft;

[0011] A first bearing assembly is arranged in the cylinder body and close to the lower end of the cylinder body, and a tapered roller bearing is arranged in the first bearing assembly;

[0012] A second bearing assembly is arranged in the cylinder body and close to the upper end of the cylinder body, and a deep groove ball bearing is arranged in the second bearing assembly;

[0013] Wherein,

[0014] The length of the cylinder body is at least 3 / 4 of the length of the rotating shaft between the support mechanism and the fan mechanism.

[0015] Further, the support mechanism comprises:

[0016] A protective cover;

[0017] One side of the protective cover is directly or indirectly connected with the cylinder body, and the other side of the protective cover is directly or indirectly connected with the driving motor, and the protective cover is used for protecting the connection structure of the driving end of the driving motor and the rotating shaft.

[0018] Further, the support mechanism further comprises:

[0019] A first connecting member for assembling the cylinder body and the protective cover, the first connecting member being arranged between the cylinder body and the protective cover; and / or

[0020] A second connecting member for assembling the protective cover and the driving motor, the second connecting member being arranged between the protective cover and the driving motor.

[0021] Further,

[0022] The first connecting member is a flange connecting member; and / or

[0023] The second connecting member is a flange connecting member.

[0024] Further, the fan mechanism comprises:

[0025] A fan wheel mounting cover for mounting and protecting the fan wheel, the fan wheel mounting cover being arranged at the end of the rotating shaft away from the driving motor, and the fan wheel being arranged in the fan wheel mounting cover;

[0026] A connecting cylinder fixedly arranged at the side of the fan wheel mounting cover away from the fan wheel, and the rotating shaft being arranged in the connecting cylinder;

[0027] A resilient retainer ring arranged between the inner wall of the connecting cylinder and the outer wall of the rotating shaft.

[0028] Further, the first bearing assembly comprises:

[0029] First bearing housing;

[0030] The outer wall of the first bearing housing is connected to the inner wall of the cylinder, and the inner wall of the first bearing housing is provided with the tapered roller bearing. The inner wall of the tapered roller bearing is rotatably connected to the outer wall of the rotating shaft.

[0031] Furthermore, the first bearing assembly also includes:

[0032] An oil seal seat is disposed on the side of the first bearing housing near the drive motor; and / or

[0033] The first pressure plate is placed on the side of the oil seal seat near the drive motor.

[0034] Furthermore, the second bearing assembly includes:

[0035] A second bearing housing, the outer wall of which is connected to the inner wall of the cylinder, wherein the inner wall of the second bearing housing is provided with the deep groove ball bearing, and the inner wall of the deep groove ball bearing is rotatably connected to the outer wall of the rotating shaft; and / or

[0036] The second pressure plate is installed on the side of the second bearing seat near the fan blade mechanism.

[0037] Furthermore, the fan unit also includes:

[0038] Connection components;

[0039] The connecting assembly is symmetrically divided into an upper part and a lower part with its center point. The inner wall of the upper part is connected to the outer wall of the rotating shaft, and the inner wall of the lower part is connected to the outer wall of the drive end of the drive motor.

[0040] Furthermore, the connecting component is a take-up / unwind coupling.

[0041] The beneficial effects of this utility model are:

[0042] 1. The balanced operation fan device provided by this utility model is equipped with tapered roller bearings, which can withstand the radial load generated when the shaft rotates at high speed, thereby reducing the phenomenon of fan impeller swaying.

[0043] 2. The fan unit is equipped with a deep groove ball bearing, which is located above the tapered roller bearing. It can withstand the axial load generated when the shaft rotates at high speed, further reducing the phenomenon of fan impeller sway.

[0044] 3. The fan device is equipped with a cylinder, the length of which is at least 3 / 4 of the length of the shaft located between the support mechanism and the fan blade mechanism. This can further reduce the phenomenon of fan impeller swaying.

[0045] 4. The fan unit is equipped with a support mechanism, which can fix the cylinder and the drive motor; at the same time, the support mechanism can also protect the connection structure between the drive end of the drive motor and the rotating shaft. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0047] Figure 2 This utility model Figure 1 Partial structural diagram (of the text) Figure 1 (The support structure and cylinder are hidden).

[0048] Figure label:

[0049] 1. Drive motor;

[0050] 2. Connecting components;

[0051] 3. Shaft;

[0052] 4. Fan blade mechanism; 41. Fan impeller mounting cover; 42. Connecting cylinder; 43. Elastic retaining ring;

[0053] 5. Supporting mechanism; 51. Protective cover; 52. First connecting component; 53. Second connecting component;

[0054] 6. First bearing assembly; 61. First bearing housing; 62. Oil seal housing; 63. First pressure plate;

[0055] 7. Second bearing assembly; 71. Second bearing housing; 72. Second pressure plate;

[0056] 8. Cylinder body. Detailed Implementation

[0057] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0058] Example 1

[0059] As attached Figure 1 and appendix Figure 2As shown in the figure, this embodiment discloses a balanced operation fan device for reducing fan impeller swaying, which includes a support mechanism 5, a drive motor 1, a fan blade mechanism 4, an anti-sway component (not marked in the figure) and a rotating shaft 3. In use, the operator first connects the drive motor 1 to an external power source (not shown in the figure); then, the drive end of the drive motor 1 can drive the rotating shaft 3 to rotate inside the support mechanism 5 and the anti-sway component; at the same time, the rotating shaft 3 will drive the fan impeller (not shown in the figure) in the fan blade mechanism 4 to rotate, thus achieving the purpose of mobilizing the surrounding air; since the rotating shaft 3 is rotatably connected to the tapered roller bearing (not shown in the figure) and the deep groove ball bearing (not shown in the figure) in the anti-sway component, the tapered roller bearing can bear the radial load generated by the rotating shaft 3 and the deep groove ball bearing can bear the axial load generated by the rotating shaft 3 during high-speed rotation. Therefore, the phenomenon of fan impeller swaying in this embodiment is significantly reduced; in addition, the length of the cylinder 8 is at least 3 / 4 of the length of the rotating shaft 3 located between the support mechanism 5 and the fan blade mechanism 4. This design can further reduce the phenomenon of fan impeller swaying.

[0060] The specific structure of the balanced operation fan device is as follows: It includes a support mechanism 5, one side of which is connected to a drive motor 1, and the other side is indirectly connected to a fan blade mechanism 4, in which a fan impeller is provided; the drive end of the drive motor 1 is directly or indirectly connected to the lower end of the rotating shaft 3, and the upper end of the rotating shaft 3 passes through the support mechanism 5 and is connected to the fan impeller; an anti-sway member is provided between the support mechanism 5 and the fan blade mechanism 4, and a cylinder 8 is provided in the anti-sway member. The cylinder 8 is arranged around the periphery of the rotating shaft 3. A first bearing assembly 6 is provided inside the cylinder 8 and near its lower end. A tapered roller bearing is provided inside the first bearing assembly 6; a second bearing assembly 7 is provided inside the cylinder 8 and near its upper end. A deep groove ball bearing is provided inside the second bearing assembly 7; the length of the cylinder 8 is at least 3 / 4 of the length of the rotating shaft 3 located between the support mechanism 5 and the fan blade mechanism 4. Compared with the prior art, this utility model reduces the wear between the rotating shaft 3 and the tapered roller bearing, thereby reducing the phenomenon of fan impeller wobbling and extending the service life of the fan device in the prior art to a certain extent. Therefore, it has high practicality.

[0061] In a specific application scenario, as shown in the appendix Figure 1 and appendix Figure 2 As shown, the support mechanism 5 is provided with a protective cover 51. The upper side of the protective cover 51 is directly or indirectly connected to the lower side of the cylinder 8, and the lower side of the protective cover 51 is directly or indirectly connected to the upper side of the drive motor 1. This design can protect the connection structure between the drive end of the drive motor 1 and the lower end of the rotating shaft 3.

[0062] Furthermore, the support mechanism 5 also includes a first connecting member 52 and a second connecting member 53; wherein the first connecting member 52 is disposed between the cylinder 8 and the protective cover 51; and the second connecting member 53 is disposed between the protective cover 51 and the drive motor 1.

[0063] Furthermore, the first connecting member 52 and the second connecting member 53 can be flange connectors; wherein, flange connectors can provide a stable and easy-to-maintain connection effect.

[0064] In a specific application scenario, as shown in the appendix Figure 1 and appendix Figure 2 As shown, the fan blade mechanism 4 includes a fan impeller mounting cover 41, a connecting cylinder 42, and an elastic retaining ring 43. The fan impeller mounting cover 41 is located at the upper end of the rotating shaft 3, and the fan impeller is installed inside the fan impeller mounting cover 41. This design facilitates the installation of the fan impeller by the operator. At the same time, the fan impeller mounting cover 41 can also protect the fan impeller. The connecting cylinder 42 is located at approximately the center of the lower side of the fan impeller mounting cover 41, and the rotating shaft 3 passes through the connecting cylinder 42. An elastic retaining ring 43 is provided between the inner wall of the connecting cylinder 42 and the outer wall of the rotating shaft 3. This design can enhance the overall structural stability of the fan blade mechanism 4.

[0065] In a specific application scenario, as shown in the appendix Figure 1 and appendix Figure 2 As shown, the aforementioned first bearing assembly 6 is provided with a first bearing housing 61. The outer wall of the first bearing housing 61 is connected to the inner wall of the cylinder 8. A tapered roller bearing is provided on the inner wall of the first bearing housing 61, and the inner wall of the tapered roller bearing is rotatably connected to the outer wall of the rotating shaft 3. During the high-speed rotation of the rotating shaft 3, the tapered roller bearing can withstand the radial load generated by the rotating shaft 3.

[0066] Furthermore, as shown in the appendix Figure 2 As shown, the first bearing assembly 6 also includes an oil seal seat 62 and a first pressure plate 63; the oil seal seat 62 is disposed on the lower side of the first bearing housing 61, which can prevent the lubricating oil in the tapered roller bearing from leaking out; the lower side of the oil seal seat 62 is covered with the first pressure plate 63, which can stabilize the positional relationship between the oil seal seat 62 and the first bearing housing 61.

[0067] In a specific application scenario, as shown in the appendix Figure 1 and appendix Figure 2As shown, the second bearing assembly 7 mainly includes a second bearing seat 71 and a second pressure plate 72. The outer wall of the second bearing seat 71 is connected to the inner wall of the cylinder 8. A deep groove ball bearing is provided on the inner wall of the second bearing seat 71. The inner wall of the deep groove ball bearing is rotatably connected to the outer wall of the rotating shaft 3. The second bearing seat 71 is located between the first bearing seat 61 and the fan blade mechanism 4. During the high-speed rotation of the rotating shaft 3, the deep groove ball bearing can withstand the axial load generated by the rotating shaft 3. In addition, the upper side cover of the second bearing seat 71 is provided with a second pressure plate 72, which can stabilize the positional relationship between the second bearing seat 71 and the deep groove ball bearing.

[0068] Example 2

[0069] As attached Figure 2 As shown, this embodiment discloses a balanced operation fan device to enhance the stability of the connection between the drive motor 1 and the rotating shaft 3 in Embodiment 1. In addition to the components in Embodiment 1, it also includes a connecting component 2, which is disposed at the connection between the drive end of the drive motor 1 and the rotating shaft 3. Specifically, the connecting component 2 is symmetrically divided into an upper part (not shown in the figure) and a lower part (not shown in the figure) with its center point. The inner wall of the upper part is connected to the outer wall of the rotating shaft 3, and the inner wall of the lower part is connected to the outer wall of the drive end of the drive motor 1.

[0070] In a specific application scenario, the connecting component 2 can be a winding and unwinding coupling; the winding and unwinding coupling can transmit power, compensate for deviations, and absorb shocks and vibrations.

[0071] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” and “the” used in this invention may also include the plural forms. It should be further understood that the term “comprising” as used in this invention means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is “connected” or “coupled” to another element, it can be directly connected or coupled to the other element, or there may be intermediate elements. Furthermore, “connected” or “coupled” as used herein can include wireless connections or wireless coupling. The term “and / or” as used herein includes all or any units and all combinations of one or more associated listed items.

Claims

1. A balanced-operation fan unit, characterized in that, include: The support mechanism (5) is connected to a drive motor (1) on one side and indirectly connected to a fan blade mechanism (4) on the other side. A fan impeller is provided in the fan blade mechanism (4). The rotating shaft (3) has one end directly or indirectly connected to the drive end of the drive motor (1), and the other end of the rotating shaft (3) passes through the support mechanism (5) and is connected to the fan impeller. An anti-sway component is disposed between the support mechanism (5) and the fan blade mechanism (4). The anti-sway component includes: a cylindrical body (8) which is disposed around the periphery of the rotating shaft (3); a first bearing assembly (6) which is disposed inside the cylindrical body (8) and near the lower end of the cylindrical body (8), and which is provided with a tapered roller bearing; and a second bearing assembly (7) which is disposed inside the cylindrical body (8) and near the upper end of the cylindrical body (8), and which is provided with a deep groove ball bearing; wherein the length of the cylindrical body (8) is at least 3 / 4 of the length of the rotating shaft (3) located between the support mechanism (5) and the fan blade mechanism (4).

2. The fan device according to claim 1, characterized in that, The support mechanism (5) includes: a protective cover (51); one side of the protective cover (51) is directly or indirectly connected to the cylinder (8), and the other side of the protective cover (51) is directly or indirectly connected to the drive motor (1). The protective cover (51) is used to protect the connection structure between the drive end of the drive motor (1) and the rotating shaft (3).

3. The fan device according to claim 2, characterized in that, The support mechanism (5) further includes: a first connecting member (52) for assembling the cylinder (8) and the protective cover (51), wherein the first connecting member (52) is disposed between the cylinder (8) and the protective cover (51); and / or a second connecting member (53) for assembling the protective cover (51) and the drive motor (1), wherein the second connecting member (53) is disposed between the protective cover (51) and the drive motor (1).

4. The fan device according to claim 3, characterized in that: The first connecting member (52) is a flange connector; and / or the second connecting member (53) is a flange connector.

5. The fan device according to claim 1, characterized in that, The fan blade mechanism (4) includes: a fan impeller mounting cover (41) for mounting and protecting the fan impeller, the fan impeller mounting cover (41) being disposed at one end of the rotating shaft (3) away from the drive motor (1), and the fan impeller being disposed in the fan impeller mounting cover (41); a connecting cylinder (42) fixedly disposed on the side of the fan impeller mounting cover (41) away from the fan impeller, and the rotating shaft (3) passing through the connecting cylinder (42); and an elastic retaining ring (43) disposed between the inner wall of the connecting cylinder (42) and the outer wall of the rotating shaft (3).

6. The fan device according to claim 1, characterized in that, The first bearing assembly (6) includes: a first bearing housing (61); the outer wall of the first bearing housing (61) is connected to the inner wall of the cylinder (8), the inner wall of the first bearing housing (61) is provided with the tapered roller bearing, and the inner wall of the tapered roller bearing is rotatably connected to the outer wall of the rotating shaft (3).

7. The fan device according to claim 6, characterized in that, The first bearing assembly (6) further includes: an oil seal seat (62) disposed on the side of the first bearing seat (61) near the drive motor (1); and / or a first pressure plate (63) covering the side of the oil seal seat (62) near the drive motor (1).

8. The fan device according to claim 6, characterized in that, The second bearing assembly (7) includes: a second bearing seat (71) whose outer wall is connected to the inner wall of the cylinder (8), the inner wall of the second bearing seat (71) is provided with the deep groove ball bearing, the inner wall of the deep groove ball bearing is rotatably connected to the outer wall of the rotating shaft (3); and / or a second pressure plate (72) covering the side of the second bearing seat (71) near the fan blade mechanism (4).

9. The fan device according to any one of claims 1-8, characterized in that, Also includes: Connection component (2); The connection component (2) is symmetrically divided into an upper part and a lower part at its center point. The inner wall of the upper part is connected to the outer wall of the rotating shaft (3), and the inner wall of the lower part is connected to the outer wall of the drive end of the drive motor (1).

10. The fan device according to claim 9, characterized in that, The connecting component (2) is a winding and unwinding coupling.

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