CN212479678U - Novel double-runner welded water pump impeller - Google Patents

Abstract

The utility model discloses a novel double fluid passage welding water pump impeller, including impeller casing, pivot and impeller, the inside center department of impeller casing is provided with the pivot, be provided with the impeller in the pivot, be provided with the first runner and the second runner with impeller casing turn-on connection on the impeller casing exterior wall, the feed liquor hole has been seted up on the impeller casing exterior wall, the bottom of impeller casing has the base through fixing bolt fastening, the top that the impeller casing outside is located the seat has cup jointed the protection filter screen. The utility model discloses in, this novel double fluid channel welding water pump impeller is provided with first runner and second runner and is used for the drainage on the impeller cover, compares in traditional single runner that sets up, and its drainage efficiency of improvement of maximization, and at the in-process that uses, can connect two drain pipes simultaneously and be used for the drainage for prevent that water pressure is too big in the drain pipe, cause the drain pipe to damage.

Description

Novel double-runner welded water pump impeller

Technical Field

The utility model relates to a water pump impeller technical field especially relates to a novel double fluid passage welding water pump impeller.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc., and also to transfer liquid, gas mixture and liquid containing suspended solid matter. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

At present current water pump impeller, the general single runner that sets up is used for the drainage, and at the in-process that uses, drainage efficiency is slower, secondly easily causes to connect the conduit damage on the runner because of water pressure is too big, again to the water that enters into in the impeller casing, lacks filtration, easily leads to the impeller to damage, so can not satisfy user's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel double-flow-passage welding water pump impeller.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel double-flow-channel welded water pump impeller comprises an impeller cover, a rotating shaft and an impeller;

a rotating shaft is arranged at the center of the inside of the impeller cover, an impeller is arranged on the rotating shaft, and a first flow passage and a second flow passage which are communicated and connected with the impeller cover are arranged on the outer surface wall of the impeller cover;

the outer surface wall of the impeller cover is provided with a liquid inlet hole, the bottom of the impeller cover is fixed with a base through a fixing bolt, and a protective filter screen is sleeved above the base on the outer side of the impeller cover.

Preferably, the impeller cover, the first runner and the second runner are of a pouring integrated molding structure.

Preferably, the liquid inlet hole is of a strip-shaped structure, a plurality of liquid inlet holes are formed in the liquid inlet hole, the liquid inlet holes are distributed in an annular shape, and the distance between every two adjacent liquid inlet holes is equal.

Preferably, the first and second flow channels are symmetrical to each other about a vertical centre line of the impeller shroud.

Preferably, the cross-section of protection filter screen is the arc structure, the welding has the strengthening rib on the protection filter screen exterior wall, the strengthening rib is provided with two altogether, and two strengthening ribs are about the mutual symmetry of protection filter screen horizontal central line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, this novel double fluid channel welding water pump impeller is provided with first runner and second runner and is used for the drainage on the impeller cover, compares in traditional single runner that sets up, and its drainage efficiency of improvement of maximization, and at the in-process that uses, can connect two drain pipes simultaneously and be used for the drainage for prevent that water pressure is too big in the drain pipe, cause the drain pipe to damage.

2. The utility model discloses in, this novel double fluid passage welding water pump impeller has the detachable base at the bottom bolt fastening of impeller shroud, and the clearance of the impeller of being convenient for, secondly are provided with the protection filter screen, can filter the water that enters into in the impeller shroud through the feed liquor hole, prevent that aquatic impurity from entering into the impeller shroud in, cause the damage to the impeller.

Drawings

Fig. 1 is a schematic structural view of a novel double-channel welded water pump impeller provided by the present invention;

fig. 2 is a side view of a novel double-flow-channel welded water pump impeller provided by the present invention;

fig. 3 is the utility model provides a novel double fluid passage welding water pump impeller's protection filter screen's schematic structure.

Illustration of the drawings:

1. an impeller housing; 2. a base; 3. a rotating shaft; 4. an impeller; 5. a first flow passage; 6. a second flow passage; 7. fixing the bolt; 8. a liquid inlet hole; 9. a protective filter screen; 10. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a novel double-flow-channel welded water pump impeller comprises an impeller cover 1, a rotating shaft 3 and an impeller 4;

a rotating shaft 3 is arranged at the center of the interior of the impeller cover 1, an impeller 4 is arranged on the rotating shaft 3, and a first flow passage 5 and a second flow passage 6 which are communicated and connected with the impeller cover 1 are arranged on the outer surface wall of the impeller cover 1;

a liquid inlet hole 8 is formed in the outer surface wall of the impeller cover 1, the bottom of the impeller cover 1 is fixed with the base 2 through a fixing bolt 7, and a protective filter screen 9 is sleeved above the base 2 and located on the outer side of the impeller cover 1.

The impeller cover 1, the first flow passage 5 and the second flow passage 6 are of a pouring integrated molding structure.

The liquid inlet hole 8 is of a strip-shaped structure, a plurality of liquid inlet holes 8 are formed in the same, the liquid inlet holes 8 are distributed in an annular mode, and the distance between every two adjacent liquid inlet holes 8 is equal.

The first flow channel 5 and the second flow channel 6 are symmetrical to each other about a vertical centre line of the impeller cup 1.

The cross-section of protection filter screen 9 is the arc structure, and the welding has strengthening rib 10 on the outer surface wall of protection filter screen 9, and strengthening rib 10 is provided with two altogether, and two strengthening ribs 10 are about the mutual symmetry of protection filter screen 9 horizontal central line.

The working principle is as follows: this novel double-flow-passage welding water pump impeller, during the use, connect water pipe through first runner 5 and second runner 6, in the use, impeller 4 rotates and absorbs water through feed liquor hole 8 and then discharges through first runner 5 and second runner 6, setting through first runner 5 and second runner 6, compare in traditional single runner that sets up, its drainage efficiency of improvement of maximization, secondly, be provided with protection filter screen 9, can filter the water that enters into in the impeller casing 1 through feed liquor hole 8, prevent that aquatic impurity from entering into in the impeller casing 1, cause the damage to impeller 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. A novel double-flow-channel welded water pump impeller is characterized by comprising an impeller cover (1), a rotating shaft (3) and an impeller (4);

a rotating shaft (3) is arranged at the center of the interior of the impeller cover (1), an impeller (4) is arranged on the rotating shaft (3), and a first flow passage (5) and a second flow passage (6) which are communicated and connected with the impeller cover (1) are arranged on the outer surface wall of the impeller cover (1);

the liquid inlet hole (8) is formed in the outer surface wall of the impeller cover (1), the base (2) is fixed to the bottom of the impeller cover (1) through the fixing bolt (7) in a bolt mode, and the protective filter screen (9) is sleeved above the base (2) and located on the outer side of the impeller cover (1).

2. The novel double-runner welded water pump impeller as claimed in claim 1, wherein the impeller shell (1), the first runner (5) and the second runner (6) are of a cast-in-one molded structure.

3. The novel double-flow-channel welding water pump impeller as claimed in claim 1, wherein the liquid inlet holes (8) are of a strip structure, a plurality of liquid inlet holes (8) are formed in the liquid inlet holes, the liquid inlet holes (8) are distributed annularly, and the distance between two adjacent liquid inlet holes (8) is equal.

4. A novel dual-flow-channel welded water pump impeller according to claim 1, characterized in that the first flow channel (5) and the second flow channel (6) are symmetrical to each other about the vertical center line of the impeller shroud (1).

5. The novel double-runner welded water pump impeller as claimed in claim 1, wherein the cross section of the protective filter screen (9) is an arc-shaped structure, the outer surface wall of the protective filter screen (9) is welded with two reinforcing ribs (10), and the two reinforcing ribs (10) are symmetrical to each other about the horizontal center line of the protective filter screen (9).

Images