CN218971436U

CN218971436U - Vertical multistage pump

Info

Publication number: CN218971436U
Application number: CN202223323327.1U
Authority: CN
Inventors: 严勇
Original assignee: Shanghai Huichuang Industry Co ltd
Current assignee: Shanghai Huichuang Industry Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-05
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a vertical multistage pump, and belongs to the technical field of pipeline connection. The water inlet and outlet flange pump comprises a pump body and a pump shaft, wherein the pump body and the pump shaft are arranged on the same horizontal axis; a grid sheet is arranged in the water inlet flange of the pump body, a cutting piece is arranged on one side of the grid sheet, and the cutting piece is in contact with the grid sheet; be equipped with the axostylus axostyle in the water inlet flange of the pump body, the one end of axostylus axostyle with pump shaft transmission is connected, and the other end with cutting member elastic connection, when the pump shaft rotates, the drive axostylus axostyle and cutting member rotate. The utility model can crush dirt and fiber matters in the liquid during conveying, thereby avoiding dirt blockage and fiber winding and further ensuring the conveying effect of the pump body.

Description

Vertical multistage pump

Technical Field

The utility model relates to a vertical multistage pump, and belongs to the technical field of pipeline connection.

Background

The vertical multistage pump comprises a pump body, an impeller arranged in the pump body and arranged on the pump shaft, a spherical lining matched with the pump body, and an outlet inducer arranged in the spherical lining, wherein the outlet inducer is matched with the impeller. The medium is thrown into the cavity formed by the outlet flow director and the spherical lining through the impeller and flows out through the round hole on the outlet flow director.

When the existing vertical multistage pump is used for conveying media, fiber matters in the media are easy to wind on the impeller of the pump body, and when some large-volume particulate matters in the media enter the pump body, the particulate matters can directly collide with the impeller, so that the particulate matters are easy to damage, and the performance and efficiency of the water pump are further affected.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the utility model provides a vertical multistage pump, it has solved current vertical multistage pump when carrying out the medium and carries, and the fibre thing in the medium twines on the impeller of the pump body easily, and when some bulky particulate matters in the medium entered into in the pump body, can directly bump with the impeller, caused it to take place to damage easily, and then influences the problem of water pump's performance and efficiency.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

a vertical multistage pump comprises a pump body and a pump shaft, wherein the pump body and the pump shaft are arranged on the same horizontal axis, and the pump shaft is arranged in the pump body;

a grid sheet is arranged in the water inlet flange of the pump body, a cutting piece is arranged on one side of the grid sheet, and the cutting piece is in contact with the grid sheet;

be equipped with the axostylus axostyle in the water inlet flange of the pump body, the one end of axostylus axostyle with pump shaft transmission is connected, and the other end with cutting member elastic connection, when the pump shaft rotates, the drive axostylus axostyle and cutting member rotate.

As a preferable example, the bottom of the pump body is detachably connected with a bottom shell, the top end surface of the bottom shell is fixedly provided with a supporting tube, one end of the shaft rod is rotationally connected with the supporting tube and extends into the supporting tube, a connecting rod is rotationally arranged in the supporting tube, one end of the connecting rod is fixedly provided with a transmission block, a groove body which is in sliding connection with the transmission block is formed in the pump shaft, and a transmission gear which is meshed with each other is fixed on the shaft rod and the connecting rod.

As a preferable example, the other end of the shaft lever is sleeved with a sleeve fixed with the cutting member, and an elastic member for pushing the sleeve to move toward one side of the grid sheet is provided.

As a preferred example, a sealing area for accommodating the transmission gear is formed between the support tube and the connecting rod.

As a preferable example, a connecting ring contacting with the outer side wall of the pump body is fixed on the bottom shell, and the connecting ring is detachably connected with the pump body through bolts.

As a preferable example, a seal ring is fixed on the bottom shell, and the seal ring is in sealing contact with the pump body.

As a preferred example, the grid holes on the grid sheet are all arc-shaped strips, and a matched blade is fixed on one side facing the cutting piece.

The beneficial effects of the utility model are as follows: the utility model can crush dirt and fiber matters in the liquid during conveying, thereby avoiding dirt blockage and fiber winding and further ensuring the conveying effect of the pump body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the portion A in FIG. 1;

FIG. 3 is a schematic view of the structure of the grating sheet and the mating blade according to the present utility model.

In the figure: 1. a pump body; 2. a pump shaft; 3. grid pieces; 4. a cutting member; 5. a shaft lever; 6. a bottom case; 7. a support tube; 8. a connecting rod; 9. a transmission block; 10. a transmission gear; 11. a sleeve; 12. an elastic member; 13. a connecting ring; 14. a bolt; 15. a seal ring; 16. mating with the blade.

Detailed Description

The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 3, a vertical multistage pump comprises a pump body 1 with water inlet and outlet flanges on the same horizontal axis and a pump shaft 2 installed in the pump body 1.

Specifically, install grid piece 3 in the flange that intakes of the pump body 1, one side of grid piece 3 is equipped with cutting member 4, cutting member 4 with grid piece 3 contact each other, when cutting member 4 rotates, because cutting member 4 and grid piece 3 contact each other and laminate, can make the filth and the fibre thing through grid piece 3 smash, and then avoided filth jam and fibrous winding's emergence, guarantee the conveying effect of the pump body.

Simultaneously, a plurality of grid holes on the grid piece 3 are arc strip, and towards one side of cutting member 4 is fixed with cooperation blade 16, owing to be arc strip setting for cutting member 4 is when rotating a point and the multiple spot on the arc time progressive contact, and then can make cutting member 4 be progressive cutting when the cutting, guarantees the effect of cutting, cooperation blade 16 can meet with cutting member 4 when using simultaneously to through two knife edge interact, can improve the efficiency of cutting.

Wherein the number of the cutting members 4 can be set plural as needed so that it can rapidly crush and cut the fibers and the particulate matters passing through the grid sheet 3.

In this embodiment, the water inlet flange of the pump body 1 is internally provided with the shaft lever 5, one end of the shaft lever 5 is in transmission connection with the pump shaft 2, and the other end of the shaft lever is in elastic connection with the cutting member 4, so that the rotation of the pump shaft 2 of the pump body 1 can be linked with the rotation of the shaft lever 5, and meanwhile, the rotation of the shaft lever 5 can be linked with the rotation of the cutting member 4 without other active driving components to drive the rotation of the shaft lever 5.

Simultaneously cutting member 4 and axostylus axostyle 5 elastic connection for cutting member 4 has the trend of removing to grid piece 3 one side, and then guarantees the stability of mutual contact between cutting member 4 and the grid piece 3, and then guarantees the effect of cutting, effectively avoids the clearance between cutting member 4 and the grid piece 3 too big, causes the influence to the cutting.

The cutting member 4 is preferably arranged at one side facing the pump shaft 2, so that the influence of dirt and fiber on the cutting member 4 can be effectively reduced, and the winding of the cutting member 4 on the cutting member 4 is effectively avoided, and the rotation of the cutting member is influenced.

In a specific embodiment, the bottom of the pump body 1 is detachably connected with the bottom shell 6, the top end surface of the bottom shell 6 is fixed with the support tube 7, one end of the shaft lever 5 is rotationally connected with the support tube 7 and extends to the inside of the support tube 7, the support tube 7 is rotationally connected with the connecting rod 8, the shaft lever 5 and the connecting rod 8 are rotationally connected with the support tube 7 through bearing pieces for guaranteeing the stability of rotation of the connecting rod 8, one end of the connecting rod 8 is fixed with the transmission block 9, the pump shaft 2 is provided with a groove body which is in sliding connection with the transmission block 9, the shaft lever 5 and the connecting rod 8 are fixedly provided with transmission gears 10 which are meshed with each other, the pump shaft 2 can drive the connecting rod 8 to rotate through the transmission block 9, and the connecting rod 8 and the shaft lever 5 are provided with the transmission gears 10 which are meshed with each other, so that the connecting rod 8 rotates to drive the two transmission gears 10 to rotate, and the purpose of rotating the shaft lever 5 is achieved.

Wherein the diameter of the gear on the connecting rod 8 is larger than that of the gear on the shaft lever 5, and the rotating speed of the shaft lever 5 is improved.

While the two drive gears 10 are intermeshing bevel gears or intermeshing crown gears and spur gears.

Wherein, be used for being formed between stay tube 7 with connecting rod 8 the sealed region of transmission gear 10 holding can play the guard action to two transmission gears 10, reduces the corruption of liquid.

In a specific embodiment, the other end of the shaft rod 5 is sleeved with a sleeve 11 fixed with the cutting element 4, and an elastic element 12 for pushing the sleeve 11 to move towards one side of the grid sheet 3 is arranged, the elastic force of the elastic element 12 can pull the sleeve 11 to move on the shaft rod 5, and meanwhile, the moving direction faces one side of the grid sheet 3, so that the stability of the mutual contact between the cutting element 4 and the grid sheet 3 is realized, and the subsequent cutting effect is further ensured.

Meanwhile, the elastic piece 12 can be a spring, one end of the spring is fixed in the strip opening through the strip opening formed in the shaft lever 5, and the other end of the spring is fixed with the sleeve 11.

In a specific embodiment, the bottom shell 6 is fixed with a connecting ring 13 contacting with the outer side wall of the pump body 1, and the connecting ring 13 is detachably connected with the pump body 1 through a bolt 14, so that the bottom shell 6 can be quickly detached and installed, and further, the maintenance of the internal components of the pump body is facilitated.

The screw is arranged on the pump body 1 and sleeved with the connecting ring 13, and the nut is in threaded connection with the screw and is abutted against the connecting ring 13, so that the installation purpose of the bottom shell 6 is realized.

Preferably, the sealing ring 15 is fixed on the bottom shell 6, and the sealing ring 15 is in sealing contact with the pump body 1, so that the tightness between the bottom shell 6 and the pump body 1 can be improved, and the leakage of liquid can be effectively avoided.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be appreciated by persons skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of numerous variations and modifications without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A vertical multistage pump, characterized in that: comprises a pump body (1) with water inlet and outlet flanges on the same horizontal axis and a pump shaft (2) arranged in the pump body (1);

a grid sheet (3) is arranged in the water inlet flange of the pump body (1), a cutting piece (4) is arranged on one side of the grid sheet (3), and the cutting piece (4) and the grid sheet (3) are in contact with each other;

be equipped with axostylus axostyle (5) in the flange of intaking of pump body (1), the one end of axostylus axostyle (5) with pump shaft (2) transmission is connected, and the other end with cutting member (4) elastic connection, when pump shaft (2) rotate, drive axostylus axostyle (5) and cutting member (4) rotate.

2. The vertical multistage pump according to claim 1, wherein: bottom of pump body (1) can be dismantled and be connected with drain pan (6), the top face of drain pan (6) is fixed with stay tube (7), the one end of axostylus axostyle (5) with stay tube (7) rotate and be connected, and extend to in stay tube (7), the rotation of stay tube (7) has connecting rod (8), just the one end of connecting rod (8) is fixed with transmission piece (9), offer on pump shaft (2) with transmission piece (9) sliding connection's cell body, be fixed with intermeshing's drive gear (10) on axostylus axostyle (5) and the connecting rod (8).

3. The vertical multistage pump according to claim 2, wherein: the other end of the shaft lever (5) is sleeved with a sleeve (11) fixed with the cutting piece (4), and an elastic piece (12) used for pushing the sleeve (11) to move towards one side of the grid piece (3) is arranged.

4. The vertical multistage pump according to claim 2, wherein: a sealing area for accommodating the transmission gear (10) is formed between the supporting tube (7) and the connecting rod (8).

5. The vertical multistage pump according to claim 2, wherein: the connecting ring (13) contacted with the outer side wall of the pump body (1) is fixed on the bottom shell (6), and the connecting ring (13) is detachably connected with the pump body (1) through bolts (14).

6. The vertical multistage pump according to claim 5, wherein: a sealing ring (15) is fixed on the bottom shell (6), and the sealing ring (15) is in sealing contact with the pump body (1).

7. The vertical multistage pump according to claim 1, wherein: the grid holes on the grid sheet (3) are arc-shaped strips, and a matched blade (16) is fixed on one side facing the cutting piece (4).