CN213206007U

CN213206007U - Large-flow downdraft submersible electric pump

Info

Publication number: CN213206007U
Application number: CN202021916641.9U
Authority: CN
Inventors: 祝广真
Original assignee: Xuzhou Jingyi Pump Co Ltd
Current assignee: Xuzhou Jingyi Pump Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-14
Anticipated expiration: 2030-09-04

Abstract

The utility model relates to the technical field of submersible electric pumps, and discloses a high-flow downdraft submersible electric pump, which comprises an electric pump main body and a pump shaft arranged in the electric pump main body, wherein the bottom of the electric pump main body is fixedly connected with a base, the lower surface of the base is provided with an annular groove, the bottom end of the pump shaft penetrates through the base and extends into the annular groove, the pump shaft is rotatably connected with the base, a water filter screen is fixedly arranged at the position of the electric pump main body close to the bottom, and the water filter screen is connected with the pump shaft through an automatic cleaning mechanism; the automatic cleaning mechanism comprises an annular channel arranged at the bottom of the annular groove, the base is close to the upper surface of the end part and fixedly connected with a plurality of L-shaped connecting rods, and the other ends of the L-shaped connecting rods are fixedly connected with the outer side wall of the electric pump main body. The utility model discloses make downdraft submerged motor pump can carry out comprehensive cleanness to the water strainer automatically at the during operation, effectively avoid the water strainer to influence the efficiency of absorbing water because of blockking up.

Description

Large-flow downdraft submersible electric pump

Technical Field

The utility model relates to a submerged motor pump technical field especially relates to a large-traffic downdraft submerged motor pump.

Background

The self-priming pump, the spray irrigation pump and the operation surface submersible pump are mainly applied to water supply and drainage of shallow wells and operation surfaces in agricultural drainage and irrigation, industrial and mining enterprises and construction sites. The agricultural irrigation and drainage mostly adopts large-traffic self priming pump, sprinkling irrigation pump under the general condition, and the operation face is the submerged motor pump that the flow is little for the drainage, because continuous decline of ground water level, under many circumstances, the self priming pump of installation, sprinkling irrigation pump are because the high not enough and can not be used of inhaling of pump itself, and some are in the use, are forced midway to shut down in the use owing to the decline of water level and the pump that leads to.

Its sunction inlet of large-traffic downdraft submerged motor pump is located the lower part, avoids receiving the restriction of low liquid level, and among the prior art, the sunction inlet of large-traffic downdraft submerged motor pump can install the water strainer, conveniently blocks the impurity of aquatic, but, the water strainer does not possess the self-cleaning function, easily causes the water strainer to block up because of external impurity to influence the water absorption efficiency of downdraft submerged motor pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the water filter net of the large-flow downdraft submersible electric pump in the prior art does not have the automatic cleaning function, and providing a large-flow downdraft submersible electric pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a large-flow downdraft electric submersible pump comprises an electric pump main body and a pump shaft arranged in the electric pump main body, wherein the bottom of the electric pump main body is fixedly connected with a base, an annular groove is formed in the lower surface of the base, the bottom end of the pump shaft penetrates through the base and extends into the annular groove, the pump shaft is rotatably connected with the base, a water filter screen is fixedly arranged at a position, close to the bottom, of the electric pump main body, and the water filter screen is connected with the pump shaft through an automatic cleaning mechanism;

automatic clearance mechanism is including seting up the annular channel at the annular groove tank bottom, the base is close to a plurality of L type connecting rods of last fixed surface of tip, and the other end of L type connecting rod and the lateral wall fixed connection of charge pump main part, swing joint has the L type movable rod that two symmetries set up in the annular channel, the pump shaft is close to symmetrical fixedly connected with horizontal pole on the lateral wall of bottom, the bottom of L type movable rod and the horizontal pole upper surface fixed connection that corresponds, the one end that the horizontal pole was kept away from to L type movable rod is connected with the brush board through tearing open the mechanism of trading, and installs the brush hair inconsistent with the drainage net on the brush board.

Preferably, tear open and trade the arch that the mechanism includes fixed connection in brush board center department, protruding and the combination piece of the equal fixedly connected with halfcylinder structure of the end in opposite directions of L type movable rod, and two combination pieces set up, two of laminating each other all be equipped with the external screw thread on the lateral wall of combination piece, two the common cover in outside of combination piece is equipped with the sleeve, and is equipped with on the telescopic inner wall with external screw thread assorted internal thread, the equal threaded connection of sleeve and two combination pieces.

Preferably, the pump shaft is rotatably connected with the base through a sealing bearing.

Preferably, an annular sliding groove is formed in the groove wall of the annular groove, a sliding block is fixedly connected to the end portion of the cross rod, and the sliding block is connected with the annular sliding groove in a sliding mode.

Preferably, the outer cylinder wall of the sleeve is provided with anti-skid grains.

Preferably, a ball groove is formed in one side, close to the bottom of the annular sliding groove, of the sliding block, a ball is installed in the ball groove, and one end, far away from the bottom of the ball groove, of the ball penetrates through a groove opening of the ball groove and extends outwards and is in rolling connection with the bottom of the annular sliding groove.

Compared with the prior art, the utility model provides a large-traffic downdraft submerged motor pump possesses following beneficial effect:

this large-traffic downdraft submerged motor pump through setting up charge pump main part, pump shaft, base, annular groove, water strainer and automatic clearance mechanism, charge pump main part during operation can drive the pump shaft and rotate, and the pump shaft is convenient when rotating to carry out comprehensive cleanness to the water strainer through automatic clearance mechanism to effectively avoid the water strainer to influence the efficiency of absorbing water because of blockking up.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses it can be automatic to carry out comprehensive cleanness to the water strainer to make downdraft submerged motor pump at the during operation, effectively avoids the water strainer to influence the efficiency of absorbing water because of blockking up.

Drawings

Fig. 1 is a schematic structural view of a high-flow downdraft submersible electric pump provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the electric pump comprises an electric pump body 1, a pump shaft 2, a base 3, an annular groove 4, a water filter screen 5, an annular channel 6, a connecting rod 7L, a movable rod 8L, a cross rod 9, a brush plate 10, a bulge 11, a combined block 12, a sleeve 13, an annular sliding groove 14, a sliding block 15 and a ball 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a high-flow downdraft electric submersible pump comprises an electric pump main body 1 and a pump shaft 2 installed in the electric pump main body 1, wherein the bottom of the electric pump main body 1 is fixedly connected with a base 3, an annular groove 4 is formed in the lower surface of the base 3, the bottom end of the pump shaft 2 penetrates through the base 3 and extends into the annular groove 4, the pump shaft 2 is rotatably connected with the base 3, a water filter screen 5 is fixedly installed at a position, close to the bottom, of the electric pump main body 1, and the water filter screen 5 is connected with the pump shaft 2 through an automatic cleaning mechanism;

the automatic cleaning mechanism comprises an annular channel 6 arranged at the bottom of an annular groove 4, the upper surface of the base 3 close to the end part is fixedly connected with a plurality of L-shaped connecting rods 7, the other end of each L-shaped connecting rod 7 is fixedly connected with the outer side wall of the electric pump main body 1, two L-shaped movable rods 8 which are symmetrically arranged are movably connected in the annular channel 6, the side wall of the pump shaft 2 close to the bottom end is symmetrically and fixedly connected with a cross rod 9, the bottom end of each L-shaped movable rod 8 is fixedly connected with the upper surface of the corresponding cross rod 9, one end of each L-shaped movable rod 8 far away from the cross rod 9 is connected with a brush board 10 through a dismounting and replacing mechanism, bristles which are abutted against the water filter screen 5 are arranged on the brush board 10, the electric pump main body 1 can drive the pump shaft 2 to rotate when working, the cross rod 9 is driven to rotate in the annular groove 4 of, the L-shaped movable rod 8 drives the brush plate 10 to move synchronously, and bristles on the brush plate 10 are matched, so that the water filter screen 5 is conveniently cleaned comprehensively, and the water absorption efficiency of the water filter screen 5 is effectively prevented from being influenced by blockage.

The dismounting and replacing mechanism comprises a bulge 11 fixedly connected at the center of the brush board 10, the section of the bulge 11 is the same as that of the L-shaped movable rod 8, the opposite ends of the bulge 11 and the L-shaped movable rod 8 are fixedly connected with combination blocks 12 with a semi-cylinder structure, the two combination blocks 12 are mutually attached, the outer side walls of the two combination blocks 12 are respectively provided with an external thread, the outer sides of the two combination blocks 12 are jointly sleeved with a sleeve 13, the inner wall of the sleeve 13 is provided with an internal thread matched with the external thread, the sleeve 13 is in threaded connection with the two combination blocks 12, the sleeve 13 is rotated to separate the sleeve from the two combination blocks 12, the brush board 10 can be conveniently dismounted and replaced, the combination blocks 12 on the brush board 10 are attached to the combination blocks 12 on the L-shaped movable rod 8, the sleeve 13 is rotated to be in threaded connection with the two combination blocks 12 together, the mounting of the brush board 10 can be completed, and the brush board 10 can, ensuring the cleaning effect.

The pump shaft 2 is rotatably connected with the base 3 through a sealing bearing, and the sealing performance of the rotating connection position is guaranteed.

An annular sliding groove 14 is formed in the groove wall of the annular groove 4, a sliding block 15 is fixedly connected to the end portion of the cross rod 9, the sliding block 15 is connected with the annular sliding groove 14 in a sliding mode, and the rotating stability of the cross rod 9 is improved.

The outer cylinder wall of the sleeve 13 is provided with anti-slip lines, so that the adhesive force is increased, and the rotation of the sleeve 13 is conveniently controlled.

The ball groove has been seted up to one side that slider 15 is close to annular spout 14 tank bottom, and installs ball 16 in the ball groove, and ball 16 keeps away from the one end of ball groove tank bottom and passes the notch in ball groove and outwards extend, and with the tank bottom rolling connection of annular spout 14, reduces the frictional force between slider 15 and the annular spout 14.

In the utility model, the pump shaft 2 is driven to rotate when the electric pump main body 1 works, the cross rod 9 is driven to rotate in the annular groove 4 of the base 3 when the pump shaft 2 rotates, the cross rod 9 drives the L-shaped movable rod 8 to move along the annular channel 6, the L-shaped movable rod 8 drives the brush plate 10 to synchronously move, and the brush hairs on the brush plate 10 are matched, so that the water filter screen 5 is conveniently and comprehensively cleaned, and the water absorption efficiency of the water filter screen 5 is effectively prevented from being influenced by blockage; rotating sleeve 13 and making it separate with two combination pieces 12, can conveniently dismantling the change to brush board 10, will brush combination piece 12 on the board 10 and the combination piece 12 laminating on the L type movable rod 8, rotate sleeve 13 and make its and the common threaded connection of two combination pieces 12, can accomplish the installation of brush board 10 for brush board 10 is convenient to be carried out the dismouting as required and is changed, guarantees clean effect.

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

1. The high-flow downdraft electric submersible pump comprises an electric pump main body (1) and a pump shaft (2) installed in the electric pump main body (1), and is characterized in that a base (3) is fixedly connected to the bottom of the electric pump main body (1), an annular groove (4) is formed in the lower surface of the base (3), the bottom end of the pump shaft (2) penetrates through the base (3) and extends into the annular groove (4), the pump shaft (2) is rotatably connected with the base (3), a water filter screen (5) is fixedly installed at a position, close to the bottom, of the electric pump main body (1), and the water filter screen (5) is connected with the pump shaft (2) through an automatic cleaning mechanism;

automatic clearance mechanism is including offering annular channel (6) at annular groove (4) tank bottom, base (3) are close to a plurality of L type connecting rods (7) of last fixed surface of tip, and the other end of L type connecting rod (7) and the lateral wall fixed connection of charge pump main part (1), swing joint has L type movable rod (8) that two symmetries set up in annular channel (6), symmetry fixedly connected with horizontal pole (9) on pump shaft (2) are close to the lateral wall of bottom, the bottom of L type movable rod (8) and the horizontal pole (9) last fixed surface who corresponds are connected, the one end that horizontal pole (9) were kept away from in L type movable rod (8) is connected with brush board (10) through tearing open the mechanism of changing, and installs the brush hair inconsistent with strainer (5) on brush board (10).

2. The high-flow downdraft electric submersible pump according to claim 1, wherein the dismounting and replacing mechanism comprises a protrusion (11) fixedly connected to the center of the brush plate (10), opposite ends of the protrusion (11) and the L-shaped movable rod (8) are fixedly connected with combination blocks (12) of a semi-cylindrical structure, the two combination blocks (12) are mutually attached, external threads are arranged on outer side walls of the two combination blocks (12), a sleeve (13) is sleeved on outer sides of the two combination blocks (12) together, internal threads matched with the external threads are arranged on the inner wall of the sleeve (13), and the sleeve (13) is in threaded connection with the two combination blocks (12).

3. A high flow rate downdraft electric submersible pump according to claim 1, characterized in that the pump shaft (2) is rotatably connected to the base (3) by means of a sealed bearing.

4. The high-flow downdraft electric submersible pump according to claim 1, wherein an annular chute (14) is formed in a wall of the annular groove (4), a sliding block (15) is fixedly connected to an end of the cross rod (9), and the sliding block (15) is slidably connected with the annular chute (14).

5. The high-flow downdraft electric submersible pump according to claim 2, wherein the outer cylindrical wall of the sleeve (13) is provided with anti-slip threads.

6. The high-flow downdraft electric submersible pump according to claim 4, wherein a ball groove is formed in one side of the sliding block (15) close to the bottom of the annular sliding groove (14), a ball (16) is mounted in the ball groove, and one end, far away from the bottom of the ball groove, of the ball (16) penetrates through the notch of the ball groove, extends outwards and is in rolling connection with the bottom of the annular sliding groove (14).