Cooling fan impeller

Abstract

The utility model discloses a cooling fan impeller, which relates to the field of fan impellers, and comprises an impeller main body and a plurality of groups of blade bodies, the inner sides of the plurality of groups of blade bodies are all provided with inserting columns, the outer side surface of the impeller main body is provided with a plurality of groups of positioning grooves, and the inner bottoms of the plurality of groups of positioning grooves are all fixedly connected with fixed vertical rods; an annular pressing disc is arranged on the upper side of the impeller body, an external thread annular plate is fixedly connected to the lower surface of the annular pressing disc, a mounting hole is formed in the middle of the impeller body in a penetrating mode, inserting holes are formed in the multiple sets of inserting columns in a penetrating mode, and the inserting columns are slidably connected with the fixing vertical rods through the inserting holes. Compared with the prior art, the impeller has the advantages that the blades of different numbers can be rapidly installed on the impeller body, the application range is wide, the blades can be rapidly detached so that dust on the blades can be cleaned without obstruction, the cleaning difficulty of the blades is reduced, and the installation angles of the blades can be adjusted so that the impeller can meet different air volume requirements.

Description

Technical Field

[0001] The utility model relates to the field of fan impellers, in particular to a heat dissipation fan impeller. Background Art

[0002] The impeller of a cooling fan is a crucial component of a cooling fan. Its primary function is to generate airflow through rotation, thereby removing heat from the device to maintain its normal operating temperature. A cooling fan impeller typically consists of multiple blades, which rotate under the influence of a motor. This blades effectively dissipates heat by changing the direction and speed of air flow.

[0003] After searching, the patent number is CN215171039U, which discloses an impeller and a fan. A second hub is added on the basis of the first hub. The first hub is used to accommodate the motor, effectively utilizing the internal space of the grille and reducing the thickness of the fan head. Reinforcing ribs are arranged between the second hub and the first hub to increase the strength of the entire hub and improve the stability of the hub structure. However, when the existing cooling fan impeller is in use, the blades thereon are usually fixedly mounted on the impeller, and one impeller corresponds to a certain number of blades, so the scope of use is small, and it is inconvenient to clean the dust on the blades fixed on the impeller, and cleaning is difficult. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide a heat dissipation fan impeller. When the existing heat dissipation fan impeller is in use, the blades thereon are usually fixedly mounted on the impeller, and one impeller corresponds to a certain number of blades, so the scope of use is small, and it is inconvenient to clean the dust on the blades fixed on the impeller, and the cleaning is relatively difficult.

[0005] In order to solve the above technical problems, the technical solution of the utility model is a heat dissipation fan impeller, comprising an impeller body and several groups of blade bodies, the inner sides of several groups of blade bodies are provided with plug-in columns, the outer side surface of the impeller body is provided with several groups of positioning grooves, the inner bottoms of several groups of positioning grooves are fixedly connected with fixed vertical rods, the upper side of the impeller body is provided with a ring pressure plate, the lower surface of the ring pressure plate is fixedly connected with an externally threaded ring plate, and a mounting hole is opened through the middle position of the impeller body.

[0006] As a further solution of the present invention: a plurality of groups of the plug-in columns are all provided with plug-in holes, and the plug-in columns are slidably connected to the fixed vertical rods through the plug-in holes.

[0007] As a further solution of the present invention: a plurality of groups of the positioning grooves are distributed at equal intervals on the outside of the impeller body, and the plug-in columns are matched with the positioning grooves.

[0008] As a further solution of the present utility model: an annular screw groove is provided at a position close to the edge on the upper surface of the impeller body, and the external thread ring plate is threadedly connected to the impeller body through the annular screw groove.

[0009] As a further solution of the present utility model: fixed shaft rods are fixedly connected to the outer sides of several groups of the plug posts, rotation shaft holes are respectively formed through the middle positions of several groups of the blade bodies, an internal and external thread plate and an internal thread plate are respectively sleeved on the outer side of the impeller body near the upper and lower sides, a movable screw ring is sleeved on the outer side of the internal thread plate, and several groups of vertical blocking rods are fixedly connected to the lower side of the movable screw ring.

[0010] As a further solution of the present utility model: several groups of the blade bodies are respectively rotatably connected to several groups of the fixed shaft rods through the rotation shaft holes, retaining rings are threadedly connected to the ends of several groups of the fixed shaft rods, and several groups of the retaining rings are respectively located at the outer ends of the blade bodies.

[0011] As a further solution of the present utility model: both the internal and external thread plate and the internal thread plate are threadedly connected to the impeller body, the movable screw ring is threadedly connected to the internal and external thread plate, and several groups of the vertical blocking rods are equidistantly distributed on the lower side of the movable screw ring.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: through the cooperation of the plug holes and the fixed vertical rods, several groups of the plug posts are respectively installed inside several groups of the positioning grooves, and several groups of the plug posts are arranged at equal intervals. Then, through the cooperation of the external thread ring plate and the annular screw groove, the ring pressing disc rotates and covers the upper side of the impeller body, and presses the tops of several groups of the plug posts, so that blades with different numbers can be quickly installed on the impeller body, and the application range is relatively wide. The blades can also be quickly disassembled to facilitate unobstructed cleaning of the dust on them, reducing the cleaning difficulty of the blades.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: through the cooperation of the fixed shaft rods and the rotation shaft holes with the retaining rings, the blade bodies rotate. Then, through the threaded connection between the internal and external thread plate and the impeller body, the internal and external thread plate rotates and fits on the upper side of the blade body, and through the threaded connection between the internal thread plate and the impeller body, the internal thread plate rotates and fits on the lower side of the blade body. Then, through the threaded connection between the movable screw ring and the internal and external thread plate, several groups of the vertical blocking rods respectively rotate to one side of several groups of the blade bodies, so that the installation angle of the blades can be adjusted to adapt to different air volume requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of a heat dissipation fan impeller in an embodiment of the present utility model;

[0015] Figure 2 It is a schematic diagram of the connection structure between the blade body and the impeller body in an embodiment of the present utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure between the internal and external threaded plate and the internal threaded plate in the embodiment of the present utility model;

[0017] Figure 4 This is a top view of a heat dissipation fan impeller in the embodiment of the present utility model.

[0018] In the figure: 1, impeller main body; 2, mounting hole; 3, blade body; 4, plug post; 5, plug hole; 6, positioning groove; 7, fixed vertical rod; 8, ring pressing plate; 9, external threaded ring plate; 10, annular thread groove; 11, rotating shaft hole; 12, fixed shaft rod; 13, retaining ring; 14, internal and external threaded plate; 15, internal threaded plate; 16, movable thread ring; 17, vertical retaining rod. Specific embodiments

[0019] The following further describes the specific embodiments of the present utility model with reference to the accompanying drawings. It should be noted here that the description of these embodiments is used to help understand the present utility model, but does not constitute a limitation to the present utility model. In addition, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] Embodiment 1, please refer to Figures 1 - 4 , a heat dissipation fan impeller, including an impeller main body 1, and further including a plurality of groups of blade bodies 3. Plug posts 4 are arranged on the inner sides of the plurality of groups of blade bodies 3. A plurality of groups of positioning grooves 6 are formed on the outer side surface of the impeller main body 1. Fixed vertical rods 7 are fixedly connected to the inner bottoms of the plurality of groups of positioning grooves 6. A ring pressing plate 8 is arranged on the upper side of the impeller main body 1. An external threaded ring plate 9 is fixedly connected to the lower surface of the ring pressing plate 8. A mounting hole 2 is formed through the middle position of the impeller main body 1.

[0021] Plug holes 5 are formed through the plurality of groups of plug posts 4, and the plug posts 4 are slidably connected to the fixed vertical rods 7 through the plug holes 5. The plurality of groups of positioning grooves 6 are equidistantly distributed on the outer side of the impeller main body 1, and the plug posts 4 are fitted with the positioning grooves 6.

[0022] In this embodiment, the plug posts 4 are installed inside the positioning grooves 6 through the cooperation of the fixed vertical rods 7 and the plug holes 5.

[0023] An annular thread groove 10 is formed in the upper surface of the impeller main body 1 near the edge position, and the external threaded ring plate 9 is threadedly connected to the impeller main body 1 through the annular thread groove 10.

[0024] In this embodiment, the ring pressing plate 8 is placed on the upper side of the impeller main body 1 through the cooperation of the external threaded ring plate 9 and the annular thread groove 10.

[0025] Specifically, through the cooperation of the insertion holes 5 and the fixed vertical rods 7, several groups of insertion posts 4 are respectively installed inside several groups of positioning grooves 6, and several groups of insertion posts 4 are arranged at equal intervals. Then, through the cooperation of the external thread ring plate 9 and the annular thread groove 10, the ring pressing disc 8 is rotated and placed on the upper side of the impeller main body 1, and the tops of several groups of insertion posts 4 are pressed, so that different numbers of blades can be quickly installed on the impeller main body 1, with a wide range of applications. The blades can also be quickly disassembled to facilitate unobstructed cleaning of the dust on them, reducing the cleaning difficulty of the blades.

[0026] Embodiment 2. Please refer to Figures 1 - 4 , a heat dissipation fan impeller. Fixed shaft rods 12 are fixedly connected to the outer sides of several groups of insertion posts 4. Rotation shaft holes 11 are respectively formed through the middle positions of several groups of blade bodies 3. Inner and outer thread plates 14 and an inner thread plate 15 are respectively sleeved on the outer side of the impeller main body 1 near the upper and lower sides. An activity screw ring 16 is sleeved on the outer side of the inner thread plate 15. Several groups of vertical blocking rods 17 are fixedly connected to the lower side of the activity screw ring 16.

[0027] Several groups of blade bodies 3 are respectively rotationally connected to several groups of fixed shaft rods 12 through the rotation shaft holes 11. Stop rings 13 are respectively threadedly connected to the ends of several groups of fixed shaft rods 12, and several groups of stop rings 13 are respectively located at the outer ends of the blade bodies 3.

[0028] In this embodiment, the stop rings are used in cooperation with the fixed shaft rods 12 and the rotation shaft holes 11 so that the blade bodies 3 are connected to the insertion posts 4.

[0029] Both the inner and outer thread plates 14 and the inner thread plate 15 are threadedly connected to the impeller main body 1. The activity screw ring 16 is threadedly connected to the inner and outer thread plates 14. Several groups of vertical blocking rods 17 are evenly distributed on the lower side of the activity screw ring 16.

[0030] In this embodiment, the upper and lower sides of the blade bodies 3 are restricted by the inner and outer thread plates 14 and the inner thread plate 15.

[0031] Specifically, the blade bodies 3 are rotated through the cooperation of the fixed shaft rods 12 and the rotation shaft holes 11 and the stop rings 13. Then, through the threaded connection between the inner and outer thread plates 14 and the impeller main body 1, the inner and outer thread plates 14 are rotated and attached to the upper side of the blade bodies 3. And through the threaded connection between the inner thread plate 15 and the impeller main body 1, the inner thread plate 15 is rotated and attached to the lower side of the blade bodies 3. Then, through the threaded connection between the activity screw ring 16 and the inner and outer thread plates 14, several groups of vertical blocking rods 17 are respectively rotated to one side of several groups of blade bodies 3, so that the installation angles of the blades can be adjusted to adapt to different air volume requirements.

[0032] The embodiments of the present utility model have been described in detail in conjunction with the accompanying drawings, but the present utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present utility model, various changes, modifications, substitutions, and variations made to these embodiments still fall within the protection scope of the present utility model.

Claims

1. A heat dissipation fan impeller, comprising an impeller main body (1), characterized in that: It further includes several groups of blade bodies (3). Insertion posts (4) are arranged on the inner sides of several groups of the blade bodies (3). Positioning grooves (6) are formed on the outer side surface of the impeller main body (1). Fixed vertical rods (7) are fixedly connected to the inner bottoms of several groups of the positioning grooves (6). A ring pressing plate (8) is arranged above the impeller main body (1). An external thread ring plate (9) is fixedly connected to the lower surface of the ring pressing plate (8). An installation hole (2) is formed through the middle position of the impeller main body (1).

2. The impeller of a cooling fan according to claim 1, wherein: Insertion holes (5) are formed through several groups of the insertion posts (4), and the insertion posts (4) are slidably connected to the fixed vertical rods (7) through the insertion holes (5).

3. The impeller of a cooling fan according to claim 2, characterized in that: Several groups of the positioning grooves (6) are equidistantly distributed on the outer side of the impeller main body (1), and the insertion posts (4) are fitted with the positioning grooves (6).

4. A cooling fan impeller according to claim 1, characterized in that: An annular thread groove (10) is formed on the upper surface of the impeller main body (1) near the edge position, and the external thread ring plate (9) is threadedly connected to the impeller main body (1) through the annular thread groove (10).

5. A cooling fan impeller according to claim 1, characterized in that: Fixed shaft rods (12) are fixedly connected to the outer sides of several groups of the insertion posts (4). Rotation shaft holes (11) are formed through the middle positions of several groups of the blade bodies (3). An internal and external thread plate (14) and an internal thread plate (15) are respectively sleeved on the upper and lower sides of the outer side of the impeller main body (1). An active thread ring (16) is sleeved on the outer side of the internal thread plate (15). Several vertical blocking rods (17) are fixedly connected to the lower side of the active thread ring (16).

6. The impeller of a cooling fan according to claim 5, wherein: Several groups of the blade bodies (3) are respectively rotationally connected to several groups of the fixed shaft rods (12) through the rotation shaft holes (11). Retaining rings (13) are threadedly connected to the ends of several groups of the fixed shaft rods (12), and several groups of the retaining rings (13) are respectively located at the outer ends of the blade bodies (3).

7. A cooling fan impeller according to claim 5, characterized in that: The internal and external thread plate (14) and the internal thread plate (15) are both threadedly connected to the impeller main body (1). The active thread ring (16) is threadedly connected to the internal and external thread plate (14). Several groups of the vertical blocking rods (17) are equidistantly distributed on the lower side of the active thread ring (16).

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