CN210178642U

CN210178642U - Industrial corrosion-resistant self-priming pump impeller

Info

Publication number: CN210178642U
Application number: CN201921847447.7U
Authority: CN
Inventors: Yue Yang; 杨跃
Original assignee: Leap Beng Ye Co Ltd Of Yangzhou Jiangdu District
Current assignee: Leap Beng Ye Co Ltd Of Yangzhou Jiangdu District
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-03-24
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to an industrial corrosion-resistant self priming pump impeller. The wheel disc comprises a wheel disc body, the upper end fixed surface of wheel disc is connected with the impeller blade, logical groove has been seted up on the impeller blade, set up flutedly on the impeller blade, the inside lower extreme swing joint of recess has the axis of rotation, the inside swing joint of recess has the movable block, the upper end fixedly connected with spring of recess, the other end fixed connection of spring is in the upper end of movable block. This industrial corrosion-resistant self-priming pump impeller, the thickness through the one end that sets up the impeller blade and be close to through-hole one is greater than the one end that the through-hole one was kept away from to the impeller blade, the shape of impeller blade is the arc, just so make impeller blade fixed connection make between per two impeller blades on the rim plate, the rear end clearance of impeller blade is less than the clearance of two impeller blade front ends, mix with the air when having accelerated rivers flow into the impeller blade outer fringe, can accelerate the start-up of self-priming pump like this, normal work of carrying on that can be quick.

Description

Industrial corrosion-resistant self-priming pump impeller

Technical Field

The utility model relates to an impeller technical field specifically is industrial corrosion-resistant from inhaling pump impeller.

Background

The self-priming pump belongs to a self-priming centrifugal pump and has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, stronger self-priming capability and the like. The pipeline does not need to be provided with a bottom valve, and only quantitative liquid guiding is required to be ensured to be stored in the pump body before work. The self-sucking pump is characterized in that the pump shell is filled with water (or water is stored in the pump shell) before the water pump is started. After the impeller is started, the impeller rotates at a high speed to enable water in the impeller channel to flow to the volute, at the moment, the inlet forms vacuum, the water inlet check valve is opened, and air in the suction pipe enters the pump and reaches the outer edge through the impeller channel. However, when many self-priming pumps are started, the gap between the end of the impeller blade close to the central shaft is large and cannot be adjusted to be smaller, so that the speed of water flow cannot be changed when the self-priming pumps are started, the mixing speed of the water flow and air is slow, and the self-priming pumps cannot rapidly enter into normal operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an industrial corrosion-resistant self priming pump impeller, possessed the self priming pump when starting, the movable block passes through the outside of spring force with the ejecting recess of movable block, just so reduced the clearance that the impeller blade is close to one end of through-hole, make rivers more rapid outflow like this, with air mixing when having accelerated rivers flow into the impeller blade outer fringe, can accelerate the start-up of self priming pump like this, can be quick carry out advantages such as normal work, the self priming pump has been solved when just starting, the clearance that the impeller blade is close to one end of through-hole can't diminish, can not make rivers can be quick mix with the air more, make the self priming pump produce the problem that can not get into work fast.

In order to achieve the above object, the utility model provides a following technical scheme: industrial corrosion-resistant self priming pump impeller, including the rim plate, the upper end fixed surface of rim plate is connected with the impeller blade, logical groove has been seted up on the impeller blade, set up flutedly on the impeller blade, the inside lower extreme swing joint of recess has the axis of rotation, the inside swing joint of recess has the movable block, the upper end fixedly connected with spring of recess, the other end fixed connection of spring is in the upper end of movable block.

Preferably, a first through hole is formed in the center of the wheel disc, the wheel disc is a circular disc, the number of the impeller blades is one, the impeller blades are arranged in a radian mode, and the thickness of each impeller blade is gradually reduced from one end far away from the axis of the wheel disc to the other end.

Preferably, the through groove is formed in one surface of the impeller blade radian projection, the through groove is also arc-shaped, and the arc-shaped of the through groove is the same as the arc-shaped of the impeller blade.

Preferably, the arc of the groove is the same as that of the impeller blade, and the groove is formed in the surface of the impeller blade and is opposite to the through groove.

Preferably, the inside lower extreme inner wall both sides of recess are seted up porosely, both ends swing joint is downthehole about the axis of rotation, the axis of rotation clearing hole can rotate at the inside lower extreme of recess, the shape of movable block and the shape looks adaptation of recess, through-hole two has been seted up to the lower extreme of movable block, the axis of rotation runs through the inside and the movable block fixed connection of through-hole two, the movable block passes through the axis of rotation and can rotates in the recess.

Preferably, the impeller pieces are all attached with anti-corrosion and wear-resistant material layers.

Compared with the prior art, the utility model provides an industrial corrosion-resistant from inhaling pump impeller possesses following beneficial effect:

1. this industrial corrosion-resistant self-priming pump impeller, the one end of keeping away from through-hole one is greater than the impeller blade through the thickness that sets up the one end of impeller blade that is close to through-hole one, the shape of impeller blade is the arc, just so make impeller blade fixed connection make between per two impeller blades on the rim plate, the rear end clearance of impeller blade is less than the clearance of two impeller blade front ends, make rivers more rapid outflow like this, with air mixing when having accelerated rivers and flowing into the impeller blade outer fringe, can accelerate the start-up of self-priming pump like this, normal work of carrying on that can be quick.

2. The industrial corrosion-resistant self-priming pump impeller is characterized in that a groove is formed in an impeller blade, the arc of the groove is the same as that of the impeller blade, the groove is formed in the surface of the impeller blade and is back to the through groove, the lower end of the inside of the groove is movably connected with a rotating shaft, a movable block is movably connected to the inside of the groove, holes are formed in two sides of the inner wall of the lower end of the inside of the groove, the left end and the right end of the rotating shaft are movably connected into the holes, the rotating shaft passing holes can rotate at the lower end of the inside of the groove, the shape of the movable block is matched with that of the groove, a second through hole is formed in the lower end of the movable block, the rotating shaft penetrates through the inside of the second through hole and is fixedly connected with the movable block, the movable block can rotate in the groove through the rotating shaft, produce elasticity to the movable block through the spring, it is littleer to make the clearance of the one end that the impeller blade is close to through-hole one like this, the velocity of flow that makes rivers like this is bigger, make rivers faster mix with gaseous production, make the entering work that self priming pump also can be faster, through the normal back of working of impeller blade, the pressure that makes rivers like this makes the movable block advance the inside of recess through pressure extrusion, make the impeller blade work normally like this, it can adjust to set up the clearance that the one end that the impeller blade is close to through-hole one like this.

3. This industrial corrosion-resistant self-priming pump impeller, logical groove has been seted up on through the impeller blade, logical groove is seted up in the bellied one side of impeller blade radian, the shape that leads to the groove is the arc form equally, the arc form that leads to the groove is the same with the arc form of impeller blade, it sets up the back on the rim plate at every impeller blade to lead to the groove, it can make the impeller blade when rotating to lead to the groove like this, it can make rivers discharge from the one end that leads to the groove rapidly to accompany the high-speed rotation of impeller blade like this through leading to the groove, the rivers that lead to the inslot can not receive the resistance relatively, consequently, make the discharge in the inslot reach the biggest, the friction between rivers and the impeller.

Drawings

Fig. 1 is the utility model discloses industrial corrosion-resistant self priming pump impeller structure sketch map.

Fig. 2 is a schematic structural diagram of the movable block.

Fig. 3 is a schematic diagram of the structure of the impeller block of the present invention.

Fig. 4 is a schematic view of the through groove structure of the present invention.

In the figure: 1 wheel disc, 2 impeller blades, 3 through-holes I, 4 grooves, 5 springs, 6 rotating shafts, 7 movable blocks, 8 through-holes II and 9 through grooves.

Detailed Description

The utility model provides a new technical scheme: the industrial corrosion-resistant self-priming pump impeller comprises an impeller disc 1, a through hole I3 is formed in the center of the impeller disc 1, the impeller disc 1 is in a circular disc shape, impeller blades 2 are fixedly connected to the surface of the upper end of the impeller disc 1, the impeller blades 2 are 4-8 in number and can be applied to different places, the impeller blades 2 are installed and arranged according to the size and pressure difference of water flow, the impeller blades 2 are in arc arrangement, the thickness of the impeller blades 2 is gradually reduced from one end far away from the axle center of the impeller disc 1 to the other end, the impeller blades 2 are provided with corrosion-resistant and wear-resistant material layers, only the surfaces of the impeller blades are provided with accessories, the manufacturing materials of the impeller blades 2 are not integrally replaced, so that the impeller blades have corrosion-resistant and wear-resistant properties, the production cost cannot be excessively increased, the production burden is brought to enterprises, and the impeller blades 2 and the, therefore, the impeller blades 2 are connected with the wheel disc 1 more fixedly, when the impeller blades 2 work with the wheel disc 1, the problem that the impeller blades 2 fall or are damaged on the wheel disc 1 easily due to the fact that the impeller blades 2 are installed in the later period is solved, because the thickness of one end, close to the through hole I3, of the impeller blades 2 is larger than that of one end, far away from the through hole I3, of the impeller blades 2, the impeller blades 2 are arc-shaped, the impeller blades 2 are fixedly connected to the wheel disc 1, every two impeller blades 2 are arranged between every two impeller blades 2, the gap of the rear ends of the impeller blades 2 is smaller than the gap of the front ends of the two impeller blades 2, when the impeller blades 2 work, the impeller blades 2 form rotating force in water, so that the gap of one end, close to the through hole I3, of water flow from the impeller blades 2 is smaller, centrifugal force is generated through the rotation difference of the impeller blades 2, and the water flow to one end, close to the through, the gap between the two impeller blades 2 is increased from small to large, so that the flow velocity of water flows from fast to slow, the water flows are mixed with gas at one end, far away from the through hole I3, of the impeller blade 2 to form a circle of foam strip-shaped steam-water mixture, the flow velocity is rapidly reduced due to the sudden increase of the water passing area, the relative density of the gas is small, the gas escapes from the water and is discharged through a pumping pressure outlet, the water with relatively high density falls to the bottom of a steam-water separation chamber and returns to the outer edge of the impeller blade 2 through an axial backflow hole to be mixed with the gas again, the impeller blade 2 is provided with a through groove 9, the through groove 9 is arranged on one side of the radian bulge of the impeller blade 2, the through groove 9 is also arc-shaped, the arc-shaped through groove 9 is the same as the arc-shaped through the impeller blade 2, the through groove 9 is arranged on the back side of each impeller blade 2 on the wheel disc 1, so that when the impeller blade 2 rotates, the water flow can be rapidly discharged from one, the water flow in the through groove 9 is relatively free from resistance, so that the water flow in the through groove 9 is maximized, the friction between the water flow and the impeller blade 2 is reduced, the service life of the impeller blade 2 is prolonged, the impeller blade 2 is provided with the groove 4, the arc of the groove 4 is the same as that of the impeller blade 2, the groove 4 is arranged on the surface of the impeller blade 2 and is back to the through groove 9, the lower end inside the groove 4 is movably connected with the rotating shaft 6, the inside of the groove 4 is movably connected with the movable block 7, the two sides of the inner wall of the lower end inside the groove 4 are provided with the holes, the left end and the right end of the rotating shaft 6 are movably connected in the holes, the rotating shaft 6 can rotate at the lower end inside the groove 4 through the holes, the shape of the movable block 7 is matched with the shape of the groove 4, the lower end of the movable block 7 is provided with, the movable block 7 can rotate in the groove 4 through the rotating shaft 6, the spring 5 is fixedly connected to the upper end of the groove 4, the other end of the spring 5 is fixedly connected to the upper end of the movable block 7, when the impeller blades 2 work, the self-priming pump is just started, water in the self-priming pump passes through the rotation of the impeller blades 2 and is increased from small to large through a gap between the two impeller blades 2, so that the water passing area is increased, the water flow velocity is rapidly reduced, the air density in the self-priming pump is reduced, so that the water returns to the outer edges of the impeller blades 2, the spring 5 generates elasticity for the movable block 7, so that the gap at one end, close to the through hole I3, of the impeller blades 2 is smaller, so that the water flow velocity is larger, after the impeller blades 2 normally work, the movable block 7 is extruded into the groove 4 through the pressure of the water flow, so that the impeller blades 2 normally work, the through grooves 9 can reduce the relative resistance when water flows through the impeller blades 2, so that the damage of the water flow to the impeller blades 2 is reduced, and the service life of the impeller blades 2 is prolonged.

The working principle is as follows:

this industrial corrosion-resistant self priming pump impeller when just starting, the water in the self priming pump passes through the clearance between two impeller blades 2 from little grow through the rotation of impeller blade 2, make the area of crossing water increase like this, the velocity of water flow reduces rapidly, air density in the self priming pump reduces, make water return impeller blade 2's outer fringe like this, produce elasticity to movable block 7 through spring 5, the clearance that makes impeller blade 2 be close to the one end of through-hole 3 like this is littleer, the velocity of flow that makes rivers like this is bigger, after 2 normal work through impeller blade, the pressure through rivers like this makes movable block 7 go into the inside of recess 4 through pressure extrusion, make impeller blade 2 work normally like this, relative resistance reduces when can making rivers pass through impeller blade 2 through logical groove 9, reduce rivers like this and to impeller blade 2's damage, the life of impeller blade 2 has been prolonged.

Claims

1. Industrial corrosion-resistant self-priming pump impeller, including rim plate (1), its characterized in that, the upper end fixed surface of rim plate (1) is connected with impeller blade (2), logical groove (9) have been seted up on impeller blade (2), recess (4) have been seted up on impeller blade (2), the inside lower extreme swing joint of recess (4) has axis of rotation (6), the inside swing joint of recess (4) has movable block (7), the upper end fixedly connected with spring (5) of recess (4), the other end fixed connection of spring (5) is in the upper end of movable block (7).

2. The industrial corrosion-resistant self-priming pump impeller according to claim 1, wherein a first through hole (3) is formed in the center of the impeller disc (1), the impeller disc (1) is in a circular disc shape, the number of the impeller blades (2) is 4-8, the impeller blades (2) are arranged in a radian shape, and the thickness of the impeller blades (2) is gradually reduced from one end away from the axis of the impeller disc (1) to the other end.

3. The industrial corrosion-resistant self-priming pump impeller according to claim 1, characterized in that the through slot (9) opens on one side of the arc-shaped projection of the impeller blade (2), the shape of the through slot (9) is also arc-shaped, and the arc-shaped shape of the through slot (9) is the same as the arc-shaped shape of the impeller blade (2).

4. The industrial corrosion-resistant self-priming pump impeller according to claim 1, characterized in that the grooves (4) have the same arc shape as the impeller blades (2), the grooves (4) opening on the surface of the impeller blades (2) opposite to the through slots (9).

5. The industrial corrosion-resistant self-priming pump impeller according to claim 1, wherein holes are formed in two sides of the inner wall of the lower end of the inner portion of the groove (4), the left end and the right end of the rotating shaft (6) are movably connected in the holes, the rotating shaft (6) can rotate at the lower end of the inner portion of the groove (4) through the holes, the shape of the movable block (7) is matched with that of the groove (4), a through hole II (8) is formed in the lower end of the movable block (7), the rotating shaft (6) penetrates through the inner portion of the through hole II (8) and is fixedly connected with the movable block (7), and the movable block (7) can rotate in the groove (4) through the rotating shaft (6).