CN220929745U - Impeller wheel - Google Patents

Abstract

The utility model relates to the technical field of impellers and discloses an impeller which comprises a cylindrical base, wherein a plurality of blades are welded on the outer surface of the base at equal intervals, the blades are obliquely arranged on the outer surface of the base, the blades are of arc structures with convex inner and outer sides in a middle concave mode, a shaft hole is formed in the base, a key slot is formed in the base in the shaft hole, a convex edge is integrally formed on the side edge of the blade corresponding to one end of the base, and the convex edge is arranged on one side of the blade corresponding to a concave surface. According to the impeller, the blades are obliquely arranged and arc-shaped, and the convex edge is matched, so that the cutting-in capacity for air flow or conveying liquid during rotation is increased, the conveying capacity can be improved, meanwhile, the conveying object is restrained during conveying, and the conveying stability and the conveying duration are ensured.

Description

Impeller wheel

Technical Field

The utility model relates to the technical field of impellers, in particular to an impeller.

Background

The impeller not only refers to a wheel disc provided with the movable vanes, but also refers to the general name of the wheel disc and the movable vanes arranged on the wheel disc. The device mainly comprises four types of closed type, front half-open type, rear half-open type and open type. Impellers typically consist of several or more blades that rotate about a central axis. It is often used in a variety of equipment and machines such as pumps, fans, turbines, and the like. The impeller generates airflow or fluid power through rotary motion, and achieves the functions of conveying, compressing or driving.

The national patent network publishes a high coaxiality plastic impeller with the authority number of CN219622927U, and the end face of the impeller blade of the impeller is of a protrusion-free structure, so that a higher cutting-in effect cannot be formed on a conveyed object when the impeller rotates, and the conveying efficiency is influenced.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an impeller to solve the problems in the background art.

(II) technical scheme

In order to solve the problems, the utility model provides the following technical scheme:

The utility model provides an impeller, includes columniform base, equidistant welding of base surface installs many blades, and the blade is the slant setting in the base outward appearance, and the blade is the protruding arc structure setting of concave inside and outside both sides limit in the middle, has seted up the shaft hole on the base, has seted up the keyway on the base in the shaft hole, and the chimb is installed to the blade side integrated into one piece of corresponding base one end, and the chimb corresponds concave surface one side setting on the blade.

Preferably, the inclined included angle A between the blade and the axis of the base is 8-10 degrees.

Preferably, the protrusion of the outer side of the blade away from the base is larger than the protrusion of the inner side of the blade fixed with the base.

Preferably, the convex edge end parts of the side edges of the blades are arranged at an acute angle.

Preferably, a notch is arranged at one end of the base, the shaft hole is arranged at the center of the notch, the shaft hole is a non-through hole, a plurality of fixing holes are further formed in the notch at the periphery of the shaft hole, a check ring is arranged at the notch, the inner diameter of the check ring is equal to the inner diameter of the shaft hole, the check ring is fixed through bolts at the positions of the fixing holes, and the shaft rod movably penetrates through the center of the check ring.

Preferably, a flange is mounted on the peripheral wall of the base end portion on the recess side.

Preferably, the flange is tapered.

(III) beneficial effects

Compared with the prior art, the utility model provides the impeller which has the following beneficial effects:

1. According to the impeller, the blades are obliquely arranged and arc-shaped, and the convex edge is matched, so that the cutting-in capacity for air flow or conveying liquid during rotation is increased, the conveying capacity can be improved, meanwhile, the conveying object is restrained during conveying, and the conveying stability and the conveying duration are ensured.

2. According to the impeller, the transmission structure of the key groove of the traditional key block is restrained through the retainer ring, and the stability of transmission connection of the impeller is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is an enlarged view of a notch in the present utility model;

Fig. 5 is a top view of the present utility model.

In the figure: 1. a base; 2. a blade; 3. a convex edge; 4. a retainer ring; 5. a shaft hole; 6. a key slot; 7. a fixing hole; 8. a notch; 9. a flange; 10. and a shaft lever.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, an impeller includes a base 1, the base 1 is cylindrical, a plurality of blades 2 are welded on the outer surface of the base 1 at equal intervals, the number of the blades 2 in this embodiment is eight, the blades 2 are obliquely arranged on the outer surface of the base 1, an inclined included angle a between the blades 2 and the axis of the base 1 is 8-10 °, the blades 2 are concave in the middle, and are fixed with the base 1 and are arranged far from the arc structures of the inner side and the outer side of the base 1, wherein the protruding amplitude of the outer side far from the base 1 is larger than that of the inner side fixed with the base 1;

The base 1 is provided with a shaft hole 5, the base 1 in the shaft hole 5 is provided with a key groove 6, the side edge of the blade 2 corresponding to one end of the base 1 is integrally formed and provided with a convex edge 3, the convex edge 3 is arranged on one side of the blade 2 corresponding to the concave surface, and the end part of the convex edge 3 corresponding to the side edge of the blade 2 is arranged at an acute angle.

The shaft lever 10 driven during installation penetrates into the shaft hole 5, the key block is plugged into the key groove 6 to form the conventional key groove key block for transmission fixation, the shaft lever 10 rotates to drive the base 1 to rotate, when the rotating direction is looking at the shaft lever 10, the base 1 rotates to drive the blades 2 to circularly rotate in the circumferential direction, due to the arrangement of the convex edge 3, the convex structure is more beneficial to cutting in air flow or conveying liquid, so that the conveying capacity of each blade 2 is improved during rotation, the conveying capacity of the integral impeller is further improved, meanwhile, due to the inclined arrangement of the blades 2, the blades can rotate along the inclined direction when the blades rotate to cut in the air flow or conveying liquid, and then are output from the rear ends of the blades 2, the rotating resistance to the blades 2 is smaller, and the concave and convex structures on the two sides in the middle of the blades 2 are also beneficial to restraining the air flow or conveying liquid to the middle, so that the conveying stability is improved.

In this embodiment, a notch 8 is disposed at one end of the base 1, the shaft hole 5 is disposed at a center of the notch 8, the shaft hole 5 is a non-through hole and does not penetrate the base 1, a plurality of fixing holes 7 are disposed at the notch 8 at an outer periphery of the shaft hole 5 at equal intervals, a retainer ring 4 is disposed at the notch 8, an inner diameter of the retainer ring 4 is equal to an inner diameter of the shaft hole 5, the retainer ring 4 is fixed by bolts at the positions of the fixing holes 7, and the shaft rod 10 movably penetrates through the center of the retainer ring 4.

The setting of retaining ring 4 is used for retraining axostylus axostyle 10 and base 1 driven key piece, makes it avoid deviate from, just so when the transmission is installed, can follow unilateral installation, does not need shaft hole 5 to run through base 1, has satisfied transmission installation demand, improves the stability of transmission installation simultaneously.

In this embodiment, a flange 9 is integrally formed on the peripheral wall of one end of the base 1 corresponding to the recess 8, and the flange 9 is tapered and arranged in a manner that the surface far from the recess 8 is smaller and the surface corresponding to the recess 8 is larger.

The arrangement of the flange 9 is convenient for carrying out contact sealing on one side of the shaft lever 10, and the contact surface of the sealing element and the base 1 is larger, so that the sealing performance is improved, the device is suitable for a transmission motor to be used in a near installation state, when the long shaft lever 10 is used, the sealing element is not needed in the position, the conical structure of the flange 9 can also guide airflow or conveying liquid, the generation of turbulent flow is reduced, and the conveying stability is further improved.

Claims (7)

1. Impeller comprising a cylindrical base (1), characterized in that: the novel multifunctional electric fan is characterized in that a plurality of blades (2) are welded and installed on the outer surface of the base (1) at equal intervals, the blades (2) are obliquely arranged on the outer surface of the base (1), the blades (2) are arranged in an arc-shaped structure with convex inner and outer sides in a concave middle, a shaft hole (5) is formed in the base (1), a key slot (6) is formed in the base (1) in the shaft hole (5), a convex edge (3) is integrally formed on the side edge of the blade (2) corresponding to one end of the base (1), and the convex edge (3) is arranged on one side of the blade (2) corresponding to the concave surface.

2. An impeller according to claim 1, wherein: the inclined included angle A between the blade (2) and the axis of the base (1) is 8-10 degrees.

3. An impeller according to claim 2, wherein: the protruding amplitude of the outer side edge of the blade (2) far away from the base (1) is larger than that of the inner side edge fixed with the base (1).

4. An impeller according to claim 3, wherein: the end part of the convex edge (3) of the side edge of the blade (2) is arranged at an acute angle.

5. An impeller according to any one of claims 1-4, wherein: the base (1) one end is equipped with notch (8), shaft hole (5) are in notch (8) centre of a circle position setting, and shaft hole (5) are non-through hole, and notch (8) position of shaft hole (5) periphery still opens a plurality of fixed orificess (7), and notch (8) position is equipped with retaining ring (4), and retaining ring (4) internal diameter equals with shaft hole (5) internal diameter, and retaining ring (4) are fixed through the bolt of fixed orificess (7) position, and axostylus axostyle (10) activity passes retaining ring (4) centre of a circle.

6. An impeller according to claim 5, wherein: a flange (9) is arranged on the peripheral wall of the end part of the base (1) at one side of the notch (8).

7. An impeller according to claim 6, wherein: the flange (9) is arranged in a conical shape.