Three-dimensional flow impeller

Abstract

The utility model discloses a three-dimensional flow impeller which comprises a body and fan blades. A cone frustum is arranged on one side of the body; the fan blades comprise a plurality of flow guide seat sheets and a plurality of fan blades; the plurality of flow guide seat sheets are uniformly arranged on the side surface of the cone frustum in a surrounding manner, and each flow guide seat sheet is in an elongated S shape; the distance between two adjacent flow guide seat sheets is gradually increased from the top of the cone frustum to the bottom of the cone frustum; a passage is formed on the side surface of the cone frustum between two adjacent flow guide seat sheets; a flow guide groove is formed in the passage; each fan blade is arranged on the corresponding flow guide seat sheet, and the fan blades are positioned on the side surface of the top of the cone frustum; the multiple fan blades are twisted towards the same side, so that each fan blade covers the position, close to the top of the circular truncated cone, of the passage adjacent to the fan blade, and the outer side edge of the twisted portion of each fan blade falls on the edge of the same circle on the same horizontal plane. According to the utility model, the working efficiency of application equipment such as a centrifugal fan can be effectively improved.

Description

Technical Field

[0001] This utility model belongs to the field of centrifugal fan technology, specifically relating to a three-dimensional flow impeller. Background Technology

[0002] The impeller is the component in a centrifugal fan that works on the airflow and is used to transport air. The three-dimensional flow impeller is a relatively advanced type of impeller. It uses the three-dimensional flow principle to enhance the air separation effect, which can enhance the air circulation and make the fan operate more efficiently.

[0003] The existing three-dimensional impeller's vortex structure is usually not fully or evenly covered, and the entrained air may start to escape from the vortex section, thus reducing air circulation and hindering air transport. Summary of the Invention

[0004] This invention provides a three-dimensional flow impeller to solve the above-mentioned technical problems.

[0005] The solution adopted by this utility model to achieve its technical effect is as follows:

[0006] A three-dimensional impeller includes a body and fan blades; a truncated cone is provided on one side of the body; the fan blades include a plurality of guide vanes and a plurality of fan blades; the plurality of guide vanes are uniformly arranged around the side of the truncated cone, and each guide vane is elongated S-shaped; the distance between two adjacent guide vanes gradually increases from the top to the bottom of the truncated cone; a passage is formed on the side of the truncated cone between two adjacent guide vanes; a guide groove is provided on the passage; each fan blade is disposed on a corresponding guide vane, and the fan blade is located on the top side of the truncated cone; the plurality of fan blades are all twisted toward the same side, such that each fan blade covers the upper part of an adjacent passage near the top of the truncated cone, and the outer edge of the twisted part of each fan blade falls on the same horizontal circular edge.

[0007] Preferably, a clearance groove is provided on the other side of the body; the truncated cone is located outside the clearance groove.

[0008] Preferably, a rotating shaft is provided in the middle of the clearance groove; a rotating hole communicating with the rotating shaft is provided inside the truncated cone.

[0009] Preferably, the concentric points of the body, the truncated cone, and the circle formed by the twisted edges of the plurality of fan blades all fall at the midpoint of the rotating hole.

[0010] Preferably, the fan blade further includes a reinforcing seat; the reinforcing seat is integrally disposed on the side of the truncated cone; and the guide plate is integrally disposed on the reinforcing seat.

[0011] Preferably, the guide seat piece is trapezoidal in cross section from top to the direction of the reinforcing seat, with the top narrow and the bottom wide.

[0012] Preferably, the twisted connection part between the fan piece and the guide seat piece is thicker than the thickness of the fan piece and the thickness of the guide seat piece.

[0013] Preferably, a plurality of the guide grooves are arranged uniformly on the passageway, and the guide grooves are consistent in shape and direction with the guide seat pieces.

[0014] The fan leaf is twisted to cover above the passageway, and the outer side edges of the twisted part of each fan piece fall on the same edge of a circle on the same horizontal plane, so that no air leakage occurs in the circular range covered by the fan piece after the air is drawn into the passageway, the air is discharged from the outlet on the edge of the body on the passageway to the maximum, the single flow of the air is increased, and the flow direction of the air is more rapid and uniform, so that the working efficiency of the application equipment such as the centrifugal fan can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 A three-dimensional flow impeller conical platform diagram is disclosed for the embodiments of the utility model;

[0016] Fig. 2 A three-dimensional flow impeller air-avoiding groove diagram is disclosed for the embodiments of the utility model;

[0017] Fig. 3 A three-dimensional flow impeller conical platform top view is disclosed for the embodiments of the utility model.

[0018] Explanation of signs: 1-body, 2-conical platform, 3-guide seat piece, 4-fan piece, 5-guide groove, 6-air-avoiding groove, 7-rotating shaft, 8-rotating hole, 9-reinforcing seat. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or can have a middle element. When an element is referred to as "connected to" another element, it can be directly connected to another element or can have a middle element. When an element is referred to as "fixedly connected to" another element, it can be fixedly connected to another element by means of common fixed connection such as welding or bolt connection or adhesive connection.

[0020] Please refer toFigs. 1-3 The utility model discloses a three -dimensional flow impeller in the preferred embodiment of the utility model discloses a three -dimensional flow impeller, including body 1 and fan leaf, one side of body 1 is provided with conical table 2, the fan leaf includes several guide vane pieces 3 and several fan blades 4, several guide vane pieces 3 evenly encircle and are provided at the side of conical table 2, and each guide vane piece 3 is elongated S shape, the distance between two adjacent guide vane pieces 3 gradually increases from the top of conical table 2 to the bottom of conical table 2, the side of conical table between two adjacent guide vane pieces 3 forms a passageway, guide groove 5 is provided on the passageway, each fan blade 4 is set up on corresponding guide vane piece 3, and the fan blade 4 is located at the top side of conical table 2, several fan blades 4 all twist towards the same side, so that each fan blade 4 all covers on the upper side of the passageway adjacent to it near the top position of conical table 2, and the outer side edge of the twisted part of each fan blade 4 all falls on the same horizontal edge of a same circle.

[0021] Specifically, the other side of the body 1 is provided with an avoidance slot 6, and the conical table 2 is located outside the avoidance slot 6. The avoidance slot 6 can reduce the overall weight of the body 1.

[0022] Specifically, the middle part of the avoidance slot 6 is provided with a rotating shaft 7, and the conical table 2 is internally provided with a rotating hole 8 in communication with the rotating shaft 7. The rotating shaft 7 and the rotating hole 8 are used for rotating connection with a driving end of a motor or the like.

[0023] Specifically, the body 1, the conical table 2 and the twisted edges of the plurality of fan blades 4 surround a circle, and the concentric points of the three all fall on the midpoint of the rotating hole 8.

[0024] Specifically, the fan blade further comprises a reinforcing seat 9, the reinforcing seat 9 is integrally arranged on the side surface of the conical table 2, and the guide vane piece 3 is integrally arranged on the reinforcing seat 9. The reinforcing seat 9 plays a role in strengthening the structural strength of the fan blade.

[0025] Specifically, the guide vane piece 3 has a trapezoidal shape with a narrow top and a wide bottom from the top to the reinforcing seat 9.

[0026] Specifically, the thickness of the twisted connection part between the fan blade 4 and the guide vane piece 3 is thicker than the thickness of the fan blade 4 and the thickness of the guide vane piece 3, which ensures the structural strength of the fan blade and improves the service life.

[0027] Specifically, a plurality of guide grooves 5 are uniformly arranged on the passageway, and the shape and direction of the guide groove 5 are consistent with those of the guide vane piece 3. The guide groove 5 can assist in quickly discharging the wind from the passageway.

[0028] From the above description, the single flow of the wind is increased, and the flow direction of the wind is more rapid and uniform.

[0029] The preferred embodiments of the utility model are described in detail above in combination with the drawings of the specification, and it should be indicated that the protection scope of the utility model includes but is not limited to the above-mentioned embodiments; the specific structure disclosed in the drawings of the specification is only the preferred embodiment of the utility model, and other embodiments can be developed by the person skilled in the art on the basis, and any simple transformation or equivalent replacement without departing from the innovative concept of the utility model is covered in the utility model and belongs to the protection scope of the utility model.

Claims

1. A three-dimensional flow impeller, characterized by, The utility model relates to a fan blade, which comprises: a body, one side of the body being provided with a conical platform; a fan blade, the fan blade comprising a plurality of guide seats and a plurality of fan blades, the plurality of guide seats being uniformly arranged around the side of the conical platform, and each of the guide seats being in the shape of an elongated S, the distance between two adjacent guide seats gradually increasing from the top of the conical platform to the bottom of the conical platform, the side of the conical platform between two adjacent guide seats forming a passageway, and a guide groove being arranged on the passageway; each of the fan blades being arranged on a corresponding guide seat and located on the side of the top of the conical platform, the plurality of fan blades being twisted towards the same side so that each of the fan blades covers the top of the passageway adjacent to the fan blade and the outer side of the twisted part of each of the fan blades falls on the same edge of a circle at the same level.

2. A three-dimensional flow impeller according to claim 1, characterized in that: the other side of the body being provided with a clearance groove, and the conical platform being located outside the clearance groove.

3. A three-dimensional flow impeller according to claim 2, characterized in that: a rotating shaft being arranged in the middle of the clearance groove, and a rotating hole being arranged in the conical platform and communicating with the rotating shaft.

4. A three-dimensional flow impeller according to claim 3, wherein: the concentric points of the body, the conical platform and the twisted edge of the plurality of fan blades falling on the midpoint of the rotating hole.

5. A three-dimensional flow impeller according to claim 1, wherein: the fan blade further comprising a reinforcing seat, the reinforcing seat being integrally arranged on the side of the conical platform, and the guide seats being integrally arranged on the reinforcing seat.

6. A three-dimensional flow impeller according to claim 5, wherein: the cross section of the guide seat from the top to the reinforcing seat being in the shape of a trapezoid with the top being narrow and the bottom being wide.

7. A three-dimensional flow impeller according to claim 1, wherein: the thickness of the twisted connecting part between the fan blade and the guide seat being thicker than the thickness of the fan blade and the thickness of the guide seat.

8. A three-dimensional flow impeller according to claim 1, wherein: a plurality of guide grooves being uniformly arranged on the passageway, the guide grooves being in the same shape and direction as the guide seats.

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