CN220396079U - Impeller for multi-blade adjustable pump - Google Patents

Abstract

The utility model discloses an impeller for a multi-blade adjustable pump, which particularly relates to the field of impellers for adjustable pumps, and comprises an impeller body and a circular shaft.

Description

Impeller for multi-blade adjustable pump

Technical Field

The utility model relates to the field of adjustable pump impellers, in particular to a multi-blade adjustable pump impeller.

Background

The impeller is one of important parts in the water pump, and is generally divided into a single-suction type impeller and a double-suction type impeller, wherein the single-suction type impeller is a single-side water suction type impeller, and the small-flow water pump impeller is in a mode; the double suction type impeller is characterized in that the double suction type impeller is used for absorbing water at two sides, and the large-flow water pump impeller is all the double suction type impeller.

The inventor finds that when a plurality of impellers are installed in a water pump for use in daily work, guide vanes are installed on one side of the impellers to be matched with each other, the impellers rotate along with the rotation of a circular shaft in operation, and the guide vanes are fixed relative to the impellers, so that one side of each impeller is attached to one side of each guide vane in motion to continuously generate friction, the situation that one side of each impeller is worn and damaged under the long-time friction is easily caused, and the service life of each impeller is reduced.

In order to solve the problem that when an impeller moves, one side of the impeller is attached to one side of a guide vane to be rubbed continuously, the situation that abrasion damage occurs to one side of the impeller under long-time friction easily occurs, and accordingly the service life of the impeller is reduced, a plurality of trapezoidal blocks are arranged on one side of the impeller, which is close to the guide vane, and used for reducing the contact area between the impeller and the guide vane, so that the service life of the impeller is prolonged, certain abrasion occurs to the trapezoidal blocks after the service life is prolonged, and the trapezoidal blocks are fixedly arranged on one side of the impeller, so that the whole impeller is required to be replaced completely after the impeller is damaged, the situation that the service cost of the impeller is increased occurs, and then a plurality of trapezoidal blocks are arranged on one side of the impeller, which is close to the guide vane, are used for reducing the contact area between the impeller and the guide vane, and the problem that the service life of the impeller is increased is imperfect is solved.

Disclosure of Invention

The utility model provides an impeller for a multi-blade adjustable pump, which aims to solve the problems that when an impeller moves, one side of the impeller is attached to one side of a guide vane to be rubbed continuously, the situation that the one side of the impeller is easily worn and damaged under the long-time rubbing is caused, so that the service life of the impeller is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an adjustable impeller for pump of many blades, includes impeller body and circle axle, the inner wall size and the shape of impeller body and the surface size and the shape looks adaptation of circle axle, one side of impeller body is provided with a plurality of protector, be provided with reinforcing apparatus between the surface of one side of impeller body and circle axle, protector includes trapezoidal piece and two bolts, a plurality of draw-in groove has been seted up to one side of impeller body, the bottom fixedly connected with draw-in bar of trapezoidal piece, the surface size and the shape looks adaptation of draw-in groove and the inner wall size and the shape of draw-in groove, one side fixedly connected with arc piece of draw-in bar, one side and one side fixed connection of trapezoidal piece of arc piece, threaded hole has been seted up to one side symmetry of arc piece, the screw groove has been seted up to the surface symmetry of impeller body, the inner wall screw size and the shape of screw hole and screw groove all with bolt surface screw size and shape looks adaptation.

The effects achieved by the components are as follows: through setting up protector, before installing impeller body and stator on the inside circle axle of water pump, first manual back with the draw-in lever card of trapezoidal piece bottom in the draw-in groove, make one side of its arc piece hug closely on the surface of impeller body, then screw in its bolt from the screw hole with the help of corresponding screwing tool again, make it screw in the screw groove, thereby can be fixed spacing on one side of impeller body with arc piece and trapezoidal piece, make the area of contact between impeller body and the stator reduce, increase the life of impeller body, after the trapezoidal piece takes place wearing and tearing damage, only need screw out the bolt from screw hole and screw groove, then pull out the draw-in lever from the draw-in groove again, thereby can dismantle the trapezoidal piece from the impeller body and change it, thereby can reduce impeller body's change frequency, impeller body's use cost is reduced.

Preferably, a nut is fixedly connected to the top of the bolt, and a screwing groove is formed in one side of the nut.

The effects achieved by the components are as follows: through setting up nut and twist the groove, when the inconvenient manual rotation of bolt is less, can insert it in twisting the groove with the help of the instrument and rotate to can conveniently twist nut and bolt.

Preferably, the storage groove is symmetrically formed in one side of the arc-shaped block, the inner wall of the storage groove is communicated with the inner wall of the threaded hole, and the size of the inner wall of the storage groove is matched with the size of the outer surface of the nut.

The effects achieved by the components are as follows: through setting up the storage tank, can screw in the screw hole with the bolt to the relevant position after, accomodate the nut in the storage tank, make the difficult protrusion of nut influence the use of impeller body on the surface of impeller body.

Preferably, the two sides of the clamping rod are fixedly connected with limiting rods, limiting grooves are symmetrically formed in the inner walls of the clamping grooves, and the size and shape of the inner walls of the limiting grooves are matched with the size and shape of the outer surfaces of the limiting rods.

The effects achieved by the components are as follows: through setting up gag lever post and spacing groove, can be with the both sides of clamping lever through the spacing fixed in the spacing groove in the draw-in groove of gag lever post, make its clamping lever post be difficult for taking place to rock from top to bottom after the card advances in the draw-in groove.

Preferably, the reinforcing apparatus includes two rectangular blocks, one side of rectangular block and one side fixed connection of impeller body, one side fixedly connected with telescopic link of rectangular block, the one end fixedly connected with fixture block of telescopic link, the surface cover of telescopic link is established and is connected with the spring, the both ends of spring respectively with one side fixed connection of rectangular block and fixture block, a plurality of circular slot has been seted up to the surface of circle axle, the inner wall size and the shape of circular slot and the surface size and the shape looks adaptation of fixture block.

The effects achieved by the components are as follows: through setting up reinforcing apparatus, when fixing the impeller body installation on the circle axle, can be manual upwards pulling the fixture block to the certain position after, make its telescopic link and spring shrink between fixture block and rectangular piece, then pass the inside of impeller body with its back of installing again with the circle axle, loosen the fixture block, under the reset action of spring and telescopic link, can make the fixture block card advance in the epaxial circular slot of circle, thereby can consolidate between impeller body and the circle axle for the secondary, when adjusting the position of impeller body on the circle axle, only need with its adjustment certain position after, in with the fixture block card advance corresponding circular slot in fixed can.

Preferably, the outer surface of the clamping block is fixedly connected with an anti-skid block, and the size and shape of the inner wall of the circular groove are matched with those of the outer surface of the anti-skid block.

The effects achieved by the components are as follows: through setting up the non slipping block, can increase the frictional force on fixture block surface, be difficult for taking place to rock after making its card enter the circular slot, the card is more firm.

Preferably, the outer surface of the clamping block is symmetrically and fixedly connected with an operation block, and the cross section of the operation block is rectangular.

The effects achieved by the components are as follows: through setting up the operation piece, when needs are adjusted the impeller body on the circular shaft, can manually hold the operation piece and upwards pull it to conveniently pull out the fixture block from the circular slot.

In summary, the beneficial effects of the utility model are as follows:

before installing impeller body and stator on the inside circle axle of water pump, first manual back card of draw-in lever card in the draw-in groove with trapezoidal piece bottom makes one side of its arc piece hug closely on the surface of impeller body, then screws its bolt from the screw hole with the help of corresponding screwing tool again, make it screw in the screw groove, thereby can fix arc piece and trapezoidal piece spacing on one side of impeller body, make the area of contact between impeller body and the stator reduce, increase impeller body's life, after the trapezoidal piece takes place wearing and tearing damage, only need screw out the bolt from screw hole and screw groove, then pull out the draw-in lever from the draw-in groove, thereby can dismantle the trapezoidal piece from the impeller body and change it, thereby can reduce impeller body's change frequency, impeller body's use cost is reduced.

Drawings

Fig. 1 is a schematic view of a three-dimensional partial structure of an impeller body according to the present utility model.

Fig. 2 is a schematic view of a three-dimensional partial structure of a card slot according to the present utility model.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is a schematic view of a three-dimensional partial structure of a trapezoidal block according to the present utility model.

Fig. 5 is a schematic view of a partial structure of a circular shaft perspective of the present utility model.

Fig. 6 is a schematic view of a perspective partial structure of the telescopic rod of the present utility model.

Reference numerals illustrate:

1. an impeller body; 2. a protective device; 3. a reinforcing device; 4. a circular shaft; 21. a clamping groove; 22. a trapezoid block; 23. a clamping rod; 24. an arc-shaped block; 25. a threaded hole; 26. a thread groove; 27. a bolt; 28. a screw cap; 29. twisting grooves; 210. a storage groove; 211. a limit rod; 212. a limit groove; 31. rectangular blocks; 32. a telescopic rod; 33. a clamping block; 34. a spring; 35. a circular groove; 36. an anti-skid block; 37. an operation block.

Detailed Description

Referring to fig. 1-6, this embodiment discloses an impeller for a multi-vane adjustable pump, including impeller body 1 and round shaft 4, the inner wall size and shape of impeller body 1 and the outer surface size and shape looks adaptation of round shaft 4, one side of impeller body 1 is provided with a plurality of protector 2, be provided with reinforcing apparatus 3 between one side of impeller body 1 and the outer surface of round shaft 4, protector 2 includes trapezoidal piece 22 and two bolts 27, a plurality of draw-in groove 21 has been seted up to one side of impeller body 1, the bottom fixedly connected with draw-in bar 23 of trapezoidal piece 22, the outer surface size and shape looks adaptation of draw-in groove 21 of draw-in bar 23, one side fixedly connected with arc piece 24 of draw-in bar 23, one side of arc piece 24 and one side fixed connection of trapezoidal piece 22, threaded hole 25 has been seted up to one side symmetry of arc piece 24, threaded groove 26 has been seted up to the outer surface symmetry of impeller body 1, the inner wall thread size and shape of threaded hole 25 and threaded groove 26 all with bolt 27 outer surface thread size and shape looks adaptation. Before the impeller body 1 and the guide vane are arranged on the circular shaft 4 in the water pump, the clamping rod 23 at the bottom of the trapezoid block 22 is clamped into the clamping groove 21 by hand, one side of the arc block 24 is clung to the outer surface of the impeller body 1, then the bolt 27 is screwed into the threaded hole 25 by means of a corresponding screwing tool, and is screwed into the threaded groove 26, so that the arc block 24 and the trapezoid block 22 can be fixedly limited on one side of the impeller body 1, the contact area between the impeller body 1 and the guide vane is reduced, the service life of the impeller body 1 is prolonged, after the trapezoid block 22 is worn and damaged, the bolt 27 is only required to be screwed out of the threaded hole 25 and the threaded groove 26, and then the clamping rod 23 is pulled out of the clamping groove 21, so that the trapezoid block 22 can be detached from the impeller body 1 to be replaced, the replacement frequency of the impeller body 1 can be reduced, and the use cost of the impeller body 1 is reduced.

Referring to fig. 2-4, this embodiment discloses that a nut 28 is fixedly connected to the top of the bolt 27, and a screwing groove 29 is formed on one side of the nut 28. By providing the nut 28 and the screw groove 29, when the screw 27 is small and is inconvenient to manually rotate, it can be rotated by means of a tool inserted into the screw groove 29, so that the nut 28 and the screw 27 can be conveniently screwed. The arc piece 24 has been offered to one side symmetry and has been accomodate the groove 210, and the inner wall of accomodating the groove 210 is linked together with the inner wall of screw hole 25, and the inner wall size of accomodating the groove 210 and the surface size looks adaptation of nut 28. By providing the receiving groove 210, after the bolt 27 is screwed into the threaded hole 25 to a corresponding position, the nut 28 is received in the receiving groove 210, so that the nut 28 is not easily protruded on the outer surface of the impeller body 1 to affect the use of the impeller body 1.

Referring to fig. 2-4, this embodiment discloses that both sides of the clamping rod 23 are fixedly connected with a limiting rod 211, the inner wall of the clamping groove 21 is symmetrically provided with a limiting groove 212, and the size and shape of the inner wall of the limiting groove 212 are matched with the size and shape of the outer surface of the limiting rod 211. Through setting up gag lever post 211 and spacing groove 212, can be with the both sides of draw-in lever 23 through the spacing groove 212 of gag lever post 211 spacing fixed in draw-in groove 21, make its draw-in lever 23 be difficult for taking place to rock from top to bottom after the card is advanced in draw-in groove 21.

Referring to fig. 5 and 6, this embodiment discloses that the reinforcing apparatus 3 includes two rectangular blocks 31, one side of the rectangular blocks 31 is fixedly connected with one side of the impeller body 1, one side of the rectangular blocks 31 is fixedly connected with a telescopic rod 32, one end of the telescopic rod 32 is fixedly connected with a clamping block 33, a spring 34 is sleeved on the outer surface of the telescopic rod 32, two ends of the spring 34 are respectively fixedly connected with one side of the rectangular blocks 31 and the clamping block 33, a plurality of circular grooves 35 are formed in the outer surface of the circular shaft 4, and the inner wall size and shape of the circular grooves 35 are matched with the outer surface size and shape of the clamping block 33. When the impeller body 1 is installed and fixed on the circular shaft 4, the clamping block 33 can be manually pulled upwards to a certain position, the telescopic rod 32 and the spring 34 of the impeller body are contracted between the clamping block 33 and the rectangular block 31, then the circular shaft 4 passes through the inside of the impeller body 1 to be installed, the clamping block 33 is loosened, the clamping block 33 can be clamped into the circular groove 35 on the circular shaft 4 under the reset action of the spring 34 and the telescopic rod 32, so that the impeller body 1 and the circular shaft 4 can be reinforced for the second time, and in the same way, when the position of the impeller body 1 on the circular shaft 4 is adjusted, the impeller body is only required to be adjusted to a certain position, and then the clamping block 33 is clamped into the corresponding circular groove 35 to be fixed.

Referring to fig. 5 and 6, this embodiment discloses that the outer surface of the clamping block 33 is fixedly connected with a non-slip block 36, and the size and shape of the inner wall of the circular groove 35 are matched with those of the outer surface of the non-slip block 36. By arranging the anti-skid blocks 36, the friction force on the surface of the clamping block 33 can be increased, so that the clamping block is difficult to shake after being clamped into the circular groove 35, and the clamping is firmer. The outer surface of the clamping block 33 is symmetrically and fixedly connected with an operation block 37, and the cross section of the operation block 37 is rectangular. By providing the operation block 37, when the impeller body 1 needs to be adjusted on the circular shaft 4, the operation block 37 can be manually held to pull the impeller body upward, so that the clamping block 33 is conveniently pulled out of the circular groove 35.

The working principle is as follows: before the impeller body 1 and the guide vane are installed on the circular shaft 4 in the water pump, the clamping rod 23 and the limiting rod 211 at the bottom of the trapezoid block 22 are manually clamped into the clamping groove 21 and the limiting groove 212 respectively, one side of the arc block 24 is tightly attached to the outer surface of the impeller body 1, then the arc block 24 is inserted into the screwing groove 29 on the screw cap 28 by means of corresponding screwing tools to rotate, so that the screw cap 28 and the screw bolt 27 can be screwed into the screw hole 25 to be screwed into the screw groove 26, the screw cap 28 is accommodated into the accommodating groove 210, the arc block 24 and the trapezoid block 22 can be fixedly limited on one side of the impeller body 1, the contact area between the impeller body 1 and the guide vane is reduced, the service life of the impeller body 1 is prolonged, and after the trapezoid block 22 is worn and damaged, the screw bolt 27 is only required to be screwed out from the screw hole 25 and the screw groove 26, and then the clamping rod 23 is pulled out from the clamping groove 21, so that the trapezoid block 22 can be detached from the impeller body 1 to be replaced, and the frequency of the impeller body 1 can be replaced, and the service cost of the impeller body 1 can be reduced.

When the impeller body 1 is installed and fixed on the circular shaft 4, the operation block 37 can be manually held to pull the clamping block 33 upwards to a certain position, the telescopic rod 32 and the spring 34 of the operation block shrink between the clamping block 33 and the rectangular block 31, then the circular shaft 4 passes through the inside of the impeller body 1 to be installed, the clamping block 33 is loosened, under the reset action of the spring 34 and the telescopic rod 32, the clamping block 33 and the anti-skid block 36 can be clamped into the circular groove 35 on the circular shaft 4, so that the impeller body 1 and the circular shaft 4 can be reinforced for the second time, and in the same way, when the position of the impeller body 1 on the circular shaft 4 is adjusted, only the position is adjusted, and then the clamping block 33 is clamped into the corresponding circular groove 35 to be fixed.

Claims (7)

1. The utility model provides an impeller for multi-blade adjustable pump, includes impeller body (1) and circle axle (4), its characterized in that: the novel impeller comprises an impeller body (1), wherein the inner wall of the impeller body (1) is matched with the outer surface of a round shaft (4) in size and shape, one side of the impeller body (1) is provided with a plurality of protection devices (2), one side of the impeller body (1) is fixedly connected with an arc-shaped block (24) and one side of the round shaft (4) is fixedly connected with the outer surface of the round shaft, the protection devices (2) comprise a trapezoid block (22) and two bolts (27), one side of the impeller body (1) is provided with a plurality of clamping grooves (21), the bottom of the trapezoid block (22) is fixedly connected with a clamping rod (23), the outer surface of the clamping rod (23) is matched with the inner wall of the clamping groove (21) in size and shape, one side of the clamping rod (23) is fixedly connected with an arc-shaped block (24), one side of the arc-shaped block (24) is symmetrically provided with a threaded hole (25), and the outer surface of the impeller body (1) is symmetrically provided with a threaded groove (26), and the threaded hole (25) is formed in the outer surface of the threaded hole (25) and the threaded groove (27) is matched with the inner surface of the threaded groove (21).

2. The impeller for a multi-lobe adjustable pump of claim 1 wherein: the top of bolt (27) fixedly connected with nut (28), screw groove (29) have been seted up to one side of nut (28).

3. The impeller for a multi-lobe adjustable pump of claim 1 wherein: one side symmetry of arc piece (24) has seted up accomodates groove (210), the inner wall of accomodating groove (210) is linked together with the inner wall of screw hole (25), the inner wall size of accomodating groove (210) and the external surface size looks adaptation of nut (28).

4. The impeller for a multi-lobe adjustable pump of claim 1 wherein: both sides of clamping rod (23) are all fixedly connected with gag lever post (211), spacing groove (212) have been seted up to the inner wall symmetry of draw-in groove (21), the inner wall size and the shape of spacing groove (212) and the surface size and the shape looks adaptation of gag lever post (211).

5. The impeller for a multi-lobe adjustable pump of claim 1 wherein: reinforcing apparatus (3) are including two rectangle pieces (31), one side of rectangle piece (31) and one side fixed connection of impeller body (1), one side fixedly connected with telescopic link (32) of rectangle piece (31), one end fixedly connected with fixture block (33) of telescopic link (32), the surface cover of telescopic link (32) is established and is connected with spring (34), the both ends of spring (34) respectively with one side fixed connection of rectangle piece (31) and fixture block (33), a plurality of circular slot (35) have been seted up to the surface of circle axle (4), the inner wall size and the shape of circular slot (35) and the surface size and the shape looks adaptation of fixture block (33).

6. The impeller for a multi-lobe adjustable pump of claim 5 wherein: the outer surface of the clamping block (33) is fixedly connected with an anti-skid block (36), and the size and the shape of the inner wall of the circular groove (35) are matched with those of the outer surface of the anti-skid block (36).

7. The impeller for a multi-lobe adjustable pump of claim 5 wherein: the outer surface of the clamping block (33) is symmetrically and fixedly connected with an operation block (37), and the cross section of the operation block (37) is rectangular.