CN220354061U - Conveying assembly for inhibiting solid medium for deep-well pump and deep-well pump - Google Patents

Abstract

The utility model provides a conveying component for inhibiting solid media for a deep-well pump, which comprises guide vanes and impellers; the impeller comprises a connecting shaft, and is rotationally connected with the guide vane through the connecting shaft; the guide vane is provided with a connecting shaft penetrating through the notch; the notch is internally provided with an insert, the connecting shaft is annularly provided with an elastic piece, and the insert and the elastic piece are mutually extruded to reduce the gap between the inner wall of the notch and the outer side surface of the connecting shaft. According to the utility model, through the elastic action of the elastic piece, the force born by the mutual extrusion of the elastic piece and the insert is slowed down, the abrasion problem caused by the contact of the impeller and the guide vane is reduced, and the service lives of the impeller and the guide vane are prolonged; through inserts and elastic component mutual contact extrusion, can make the clearance between the inner wall of notch and the lateral surface of connecting axle reduce to prevent great sand grain or particulate object entering clearance in, take place to block or the condition of jam and influence deep-well pump work efficiency.

Description

Conveying assembly for inhibiting solid medium for deep-well pump and deep-well pump

Technical Field

The utility model relates to the technical field of deep-well pumps, in particular to a conveying component for inhibiting solid media for a deep-well pump and the deep-well pump.

Background

Deep well pumps are machines that pump water into a wellbore. The pump is immersed in an underground water well to pump and convey water, and is widely applied to farmland irrigation and drainage, industrial and mining enterprises, rural drinking water, deep underground water level pumping water and the like. In recent years, the groundwater level is deeper and deeper, the general water pump is difficult to function, and the deep-well pump is more and more required. The deep well pump is characterized in that the motor and the water pump are made into a vertical integral body through a coupler, so that the diameter is small, and the pump is connected with a straight rod type.

In the existing deep-well pump, the guide vane and the impeller move relatively, when the deep-well pump works, water receives traction force along the groove direction at the lower end of the impeller through rotation of the impeller, and the water flows downwards; the water passes through the gap between the upper part of the impeller and the guide vane, but the gap is smaller, so that sediment or other particulate matters in the water are blocked in the gap and cannot be smoothly discharged, accumulation and blockage can be formed in the long time, and the working efficiency of the deep well pump is affected; in addition, during operation, the impeller and the guide vane can be rubbed due to frequent collision, and the service life of the product is influenced.

For example, CN102434469a discloses a deep well pump comprising a motor controller. The motor is a direct current brushless motor, an output shaft of the direct current brushless motor is connected with a main shaft of the deep well pump through the coupler, and the motor controller is connected and controlled with the direct current brushless motor. The deep well pump provided by the utility model adopts the direct current brushless motor, and has the advantages of variable speed and high-speed operation, so that the flow and the lift of the deep well pump are controlled, the lift and the flow of the deep well pump can be greatly improved, the height and the weight of the deep well pump are reduced, and the function of the deep well pump is optimized; and the adoption direct current brushless motor can also provide various protections to the motor through the programming operation of motor controller, realizes intelligent operation.

However, when the deep-well pump in the technical scheme works, the problem that sediment or other particulate matters in water are blocked in a gap between the guide vane and the impeller and cannot be smoothly discharged still cannot be solved, and collision and abrasion generated when the guide vane and the impeller rotate and work cannot be relieved.

For example, CN105570099B discloses a deep well pump, which belongs to the field of pumps. This deep-well pump includes power device, transmission and pump head, power device and pump head connect respectively at transmission's both ends, transmission includes transfer line and transmission shaft, the transfer line is double-deck tubular construction, the transfer line includes inlayer pipe and outer pipe, the deep-well pump still includes intermediate flange, intermediate flange includes ring flange and pipe box, the ring flange connects the inlayer pipe box, the transmission shaft sets up in the inlayer pipe, through spline connection between transmission shaft and the transmission shaft, the spline is including installing the spline housing in the pipe box and be located the external spline of transmission shaft with spline housing looks adaptation.

According to the technical scheme, the transmission shafts are connected through the spline, so that the contact area between the transmission shafts is increased, high-power and long-distance power transmission can be performed, the transmission power and the transmission distance of the deep-well pump are improved, meanwhile, the structure of the deep-well pump is simplified through spline connection, and the deep-well pump is convenient to install and detach; but the technical scheme also can not solve the problem that sediment or other particulate matters in water are blocked in a gap between the guide vane and the impeller and can not be smoothly discharged, and collision and abrasion generated during rotation work of the guide vane and the impeller can not be relieved.

Aiming at the defects in the prior art, a conveying component for inhibiting solid media for a deep-well pump and the deep-well pump are needed, so that the problem that sediment or other particulate matters in water are accumulated and blocked between a guide vane and an impeller to influence the working efficiency of the deep-well pump when the deep-well pump is used for drawing water is solved; and the problem of part abrasion caused by direct contact collision when the guide vane and the impeller relatively rotate can be solved.

Disclosure of Invention

The utility model aims to provide a solid medium restraining and conveying assembly for a deep-well pump and the deep-well pump for solving the problems, and the clearance between a guide vane and an impeller is reduced by adding an insert and an O-shaped ring which are matched with each other between the guide vane and the impeller so as to prevent larger sand grains or granular objects from entering the clearance; the added O-shaped ring is an elastic piece, the force received by collision of the O-shaped ring and the insert is slowed down through the elastic action of the elastic piece, and damage of the impeller and the guide vane caused by touch is reduced, so that the service lives of the impeller and the guide vane are prolonged.

In order to achieve the above purpose, the utility model provides a conveying component for suppressing solid media for a deep-well pump, which comprises guide vanes and impellers;

the impeller comprises a connecting shaft, and is rotationally connected with the guide vane through the connecting shaft;

the guide vane is provided with the connecting shaft which penetrates through the notch;

the novel connecting device is characterized in that an insert is arranged in the notch, an elastic piece is arranged on the connecting shaft in a surrounding mode, the insert and the elastic piece are mutually extruded, the inner wall of the notch can be in contact connection with the outer side face of the connecting shaft, and a gap between the inner wall of the notch and the outer side face of the connecting shaft is reduced as much as possible, and even is in seamless connection.

According to the utility model, the condition of direct contact collision between the impeller and the guide vane can be replaced by mutual contact extrusion of the elastic piece and the insert, and the force suffered by collision with the insert can be relieved by the elastic action of the elastic piece, so that the abrasion problem caused by contact of the impeller and the guide vane is reduced, and the service life of the impeller and the guide vane is prolonged.

According to the utility model, the insert and the elastic piece are mutually contacted and extruded, so that the gap between the inner wall of the notch and the outer side surface of the connecting shaft is reduced as much as possible, and even is in seamless connection, thereby preventing larger sand grains or granular objects from entering the gap, and affecting the working efficiency of the deep-well pump due to the condition of blocking or blocking.

Preferably, the motor further comprises an outer shell, wherein the outer shell is sleeved outside the guide vane, and the outer shell is sleeved outside the impeller.

The shell body can protect and limit the impeller and the guide vane.

Preferably, the impeller further comprises a main body, the connecting shaft penetrates through the center of the main body, and the connecting shaft is fixedly connected with the main body. This structure can make the operation of impeller more stable.

Preferably, the center of the connecting shaft is provided with a polygonal shaft hole, and the outer side of the main body is provided with a plurality of empty slots.

The polygonal shaft hole can be inserted into the pump shaft, so that the pump body can run better, and the special structure of the hollow groove can pump balance when water enters.

Preferably, the polygonal shaft hole is a regular hexagonal shaft hole.

The regular hexagonal shaft hole can be better suitable for various conventional pump shafts on the market.

Preferably, the connecting shaft is provided with an annular groove, the elastic piece is sleeved in the annular groove, and the elastic piece is clamped with the annular groove.

The annular groove can be used for clamping the elastic piece, so that the elastic piece is prevented from falling due to uneven stress during working.

Preferably, the insert is a sleeve plate embedded in the notch, the sleeve plate is annular, the annular sleeve plate has a certain inclination, and the elastic piece is an elastic ring.

The annular sleeve plate with the inclination not only can be better contacted and extruded with the elastic piece, but also can optimally shorten the gap between the annular sleeve plate and the elastic piece according to specific working conditions.

Preferably, the guide vane is provided with a plurality of blades, and the blades are arranged in a vortex shape. The fan blade with the shape structure can realize water drainage better.

Preferably, a limiting piece is further arranged between the impeller and the outer shell.

The limiting piece plays a limiting role when the impeller rotates, and stable operation of the impeller is further guaranteed.

The utility model provides a deep-well pump, which comprises the solid medium restraining and conveying assembly for the deep-well pump.

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

1. according to the utility model, the condition of direct contact collision between the impeller and the guide vane can be replaced by mutual contact extrusion of the elastic piece and the insert, and the force suffered by collision with the insert can be relieved by the elastic action of the elastic piece, so that the abrasion problem caused by contact of the impeller and the guide vane is reduced, and the service life of the impeller and the guide vane is prolonged.

2. According to the utility model, the insert and the elastic piece are mutually contacted and extruded, so that the gap between the inner wall of the notch and the outer side surface of the connecting shaft is reduced as much as possible, and even is in seamless connection, thereby preventing larger sand grains or granular objects from entering the gap, and affecting the working efficiency of the deep-well pump due to the condition of blocking or blocking.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a solid media suppressing transport assembly for a deep well pump according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a solid media suppressing transport assembly for a deep well pump according to the present utility model;

FIG. 3 is an exploded view of a solid media suppressing transport assembly for a deep well pump of the present utility model;

FIG. 4 is a schematic perspective view of a vane of the present disclosure;

FIG. 5 is a schematic perspective view of an impeller according to the present utility model;

FIG. 6 is a schematic view of a partial perspective view of a solid media suppressing transport assembly for a deep well pump according to the present utility model;

the guide vane 1, the notch 11, the fan blades 12, the impeller 2, the connecting shaft 21, the polygonal shaft hole 211, the annular groove 212, the main body 22, the empty groove 221, the insert 3, the elastic piece 4, the outer shell 5 and the limiting piece 6 are shown in the figure.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2 and 3, the utility model provides a conveying component for inhibiting solid media for a deep-well pump, which comprises a guide vane 1 and an impeller 2; the impeller 2 comprises a connecting shaft 21, and the impeller 2 is rotationally connected with the guide vane 1 through the connecting shaft 21; the guide vane 1 is provided with a notch 11, and the connecting shaft 21 is arranged in the notch 11 in a penetrating way; the insert 3 is arranged in the notch 11, the elastic piece 4 is arranged on the connecting shaft 21 in a surrounding manner, and the insert 3 and the elastic piece 4 are mutually extruded to enable the inner wall of the notch 11 to be in contact connection with the outer side face of the connecting shaft 21, so that a gap between the inner wall of the notch 11 and the outer side face of the connecting shaft 21 is reduced as much as possible, and even is in seamless connection.

According to the conveying component for inhibiting the solid medium for the deep-well pump, when the guide vane 1 and the impeller 2 in the pump body synchronously work for diversion, the impeller 2 can shake in operation, at the moment, the elastic piece 4 is contacted with the insert 3, and the elastic piece 4 has an elastic effect, so that the force applied by collision between the elastic piece 4 and the insert 3 can be relieved, and meanwhile, the damage caused by direct collision between the impeller 2 and the guide vane 1 can be relatively reduced, so that the service lives of the impeller and the guide vane are prolonged; and the insert 3 contacts and presses the elastic piece 4, and simultaneously, the gap between the inner wall of the notch 11 and the outer side surface of the connecting shaft 21 can be reduced as much as possible or even in seamless connection, so that larger sand grains or granular objects are prevented from entering the gap between the guide vane 1 and the impeller 2 to cause accumulation and blockage, and the working efficiency of the deep-well pump is influenced.

As shown in fig. 1, 2 and 3, the conveying assembly for suppressing solid media for a deep-well pump further comprises an outer casing 5, wherein the outer casing 5 is sleeved outside the guide vane 1, and the outer casing 5 is sleeved outside the impeller 2.

The outer shell 5 is used for installing the guide vane 1 and the impeller 2 and plays a certain role in protection.

As shown in fig. 3 and 5, the impeller 2 further includes a main body 22, the connection shaft 21 is disposed through the center of the main body 22, and the connection shaft 21 is fixedly connected with the main body 22.

As shown in fig. 5, the center of the connecting shaft 21 is provided with a polygonal shaft hole 211, and the outer side of the main body 22 is provided with a plurality of empty slots 221.

The polygonal shaft hole 211 is used for penetrating the pump shaft, the hollow grooves 221 are gaps between the reinforcing ribs, the reinforcing ribs can strengthen the running strength of the impeller 2, and the hollow grooves 221 are used for guaranteeing pumping balance.

The polygonal shaft hole 211 is a regular hexagonal shaft hole.

The polygonal shaft hole 211 is used for corresponding to the shape of the pump shaft.

As shown in fig. 3, the connecting shaft 21 is provided with an annular groove 212, the elastic member 4 is sleeved in the annular groove 212, and the elastic member 4 is clamped with the annular groove 212.

The elastic member 4 is arranged around the annular groove 212, and the elastic member 4 can form a snap connection with the annular groove 212.

As shown in fig. 3, 4 and 5, the insert 3 is a sleeve plate which is inserted into the slot 11, the sleeve plate is annular, the annular sleeve plate has a certain inclination, and the elastic member 4 is an elastic ring.

The impeller 2 can shake during operation, the insert 3 is an annular sleeve plate with inclination, and when the guide vane 1 and the impeller 2 rotate, the elastic piece 4 is contacted and extruded with the insert 3 from bottom to top, so that the gap between the insert and the impeller is gradually shortened.

As shown in fig. 1 and 4, the guide vane 1 is provided with a plurality of blades 12, and the blades 12 are arranged in a vortex shape.

As shown in fig. 6, a limiting member 6 is further disposed between the impeller 2 and the outer casing 5.

The limiting piece 6 plays a limiting role when the impeller 2 rotates, and further ensures that the impeller 2 stably runs.

The deep-well pump comprises the conveying component for inhibiting the solid medium, and is suitable for situations with slightly more sediment content in water. When a worker uses the deep-well pump, the motor drives the pump body to run, at the moment, the guide vane 1 and the impeller 2 in the pump body synchronously work to draw water, the impeller 2 can shake in the running process, at the moment, the elastic piece 4 can be contacted with the insert 3, and the elastic piece 4 has an elastic effect, so that the force applied by collision between the elastic piece 4 and the insert 3 can be slowed down, and meanwhile, the damage caused by direct collision between the impeller 2 and the guide vane 1 can be relatively reduced, so that the service lives of the impeller and the guide vane are prolonged; and the insert 3 contacts and presses the elastic piece 4, and simultaneously, the gap between the inner wall of the notch 11 and the outer side surface of the connecting shaft 21 can be reduced as much as possible or even in seamless connection, so that larger sand grains or granular objects are prevented from entering the gap between the guide vane 1 and the impeller 2 to cause accumulation and blockage, and the working efficiency of the deep-well pump is influenced.

Furthermore, the terms "upper," "lower," "inner," "outer," "front," "rear" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The relative steps, numerical expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A conveying component for inhibiting solid media for a deep-well pump, which is characterized by comprising a guide vane (1) and an impeller (2);

the impeller (2) comprises a connecting shaft (21), and the impeller (2) is rotationally connected with the guide vane (1) through the connecting shaft (21);

a notch (11) is formed in the guide vane (1), and the connecting shaft (21) penetrates through the notch (11);

the novel connecting device is characterized in that an insert (3) is arranged in the notch (11), an elastic piece (4) is arranged on the connecting shaft (21) in a surrounding mode, and the insert (3) and the elastic piece (4) are mutually extruded to enable the inner wall of the notch (11) to be in contact connection with the outer side face of the connecting shaft (21).

2. The solid medium suppressing conveying assembly for a deep-well pump according to claim 1, further comprising an outer casing (5), wherein the outer casing (5) is sleeved outside the guide vane (1), and the outer casing (5) is sleeved outside the impeller (2).

3. A solid medium-suppressing delivery assembly for a deep-well pump according to claim 1 or 2, wherein the impeller (2) further comprises a main body (22), the connecting shaft (21) is arranged through the center of the main body (22), and the connecting shaft (21) is fixedly connected with the main body (22).

4. A solid medium-suppressing conveying assembly for a deep-well pump according to claim 3, wherein the connecting shaft (21) has a polygonal shaft hole (211) at the center thereof, and the main body (22) has a plurality of empty grooves (221) at the outer side thereof.

5. The solid media suppressing transport assembly for a deep well pump of claim 4, wherein said polygonal shaft aperture (211) is a regular hexagonal shaft aperture.

6. A solid medium-suppressing conveying assembly for a deep-well pump according to claim 1, 2, 4 or 5, wherein the connecting shaft (21) is provided with an annular groove (212), the elastic member (4) is sleeved in the annular groove (212), and the elastic member (4) is clamped with the annular groove (212).

7. A solid media suppressing delivery assembly for a deep well pump according to claim 6, wherein the insert (3) is a sleeve plate fitted in a slot (11), the sleeve plate being annular, the annular sleeve plate having a slope, the resilient member (4) being a resilient ring.

8. The solid medium suppressing conveying assembly for a deep well pump according to claim 1, 2, 4, 5 or 7, wherein the guide vane (1) is provided with a plurality of blades (12), and the blades (12) are arranged in a vortex shape.

9. The solid medium-suppressing conveying assembly for a deep-well pump according to claim 8, wherein a limiting member (6) is further arranged between the impeller (2) and the outer casing (5).

10. A deep-well pump comprising the delivery assembly of the solid suppressing medium of claim 1, 2, 4, 5, 7 or 9.