Vertical axial flow pump

Abstract

The utility model provides a vertical axial flow pump, relates to axial flow pump technical field, including water inlet straight pipe, water outlet elbow and first motor, the lower part of water inlet straight pipe is provided with water inlet horn, and in the water inlet horn is sleeved with filter screen cylinder, the upper end of water inlet straight pipe is equipped with water outlet elbow, the lower end of water outlet elbow is equipped with first motor. An upper sealing sleeve seat is arranged on the upper portion of the water outlet bent pipe, a water guide pipe is arranged at the upper left corner of the upper sealing sleeve seat, a first motor is installed on the upper side of the upper sealing sleeve seat, a water inlet cavity is formed in the water inlet straight pipe, a water outlet cavity is formed in the water outlet bent pipe, and the water inlet cavity and the water outlet cavity are communicated. A lower gasket is arranged at the lower end of the water inlet horn, and a lower connector is arranged on the inner side face of the lower gasket. Water flow is conveniently and stably filtered, the upper portion and the lower portion of the pump shaft are stably connected, rotation of the pump shaft is smooth and stable, the impeller is driven to rotate, introduced water flow is large, adherends on the inner wall of a pipeline are conveniently removed, and the pump is more convenient and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of axial flow pumps, in particular to a vertical axial flow pump. Background Art

[0002] As is known to all, a vertical axial flow pump is a device that transports liquid along the axial direction by the force exerted by the blades of a rotating impeller on the liquid, and is widely used in the field of liquid transportation.

[0003] In the specification of a vertical axial flow pump in the prior art (publication number CN210799529U), it is mentioned that "a flow chamber is arranged in the pump body, the bottom end of the flow chamber is connected to a water inlet, the top end of the flow chamber is connected to a water outlet, a power mechanism is arranged inside the flow chamber, a power transmission component is arranged at the top end of the pump body, and a filtering mechanism is arranged at the bottom of the flow chamber; it also includes a filter box, three sets of water wheel blades, a fixed block, a transfer box, a rotating shaft, a rotating bearing, a first steering gear, a second steering gear, a transmission shaft, a power box, a reciprocating screw, a support bearing, a mounting shaft, a driving rod, a telescopic rod and a cleaning plate, a filter chamber is arranged inside the filter box, the top end of the filter chamber is connected to the bottom end flange of the flow chamber of the pump body, and the right end of the transfer box is connected to the middle and lower area of ​​the right end of the filter chamber", but the axial flow pump impeller drainage in the prior art is small, and the setting of the transfer box will also increase the resistance area of ​​water flow entering, which is not convenient and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, a vertical axial flow pump is now provided to solve the problems that the impeller drainage of the axial flow pump in the prior art is small, and the setting of the transfer box will also increase the resistance area for water flow to enter, which is not convenient and practical.

[0005] To achieve the above-mentioned purpose, a vertical axial flow pump is provided, including a straight water inlet pipe, a bent water outlet pipe and a first motor, a water inlet horn is arranged at the lower part of the straight water inlet pipe, and a filter screen is sleeved in the water inlet horn, a water outlet bend is installed at the upper end of the straight water inlet pipe, and an upper sealing sleeve is arranged at the upper part of the water outlet bend, a water guide pipe is arranged at the upper left corner of the upper sealing sleeve, and a first motor is installed on the upper side of the upper sealing sleeve, a water inlet cavity is opened in the straight water inlet pipe, a water outlet cavity is opened in the water outlet bend, and the water inlet cavity and the water outlet cavity are connected to each other.

[0006] Furthermore, a lower gasket is provided at the lower end of the water inlet horn, and a lower interface is provided on the inner side of the lower gasket, and a lower connecting edge is provided at the lower end of the filter screen cylinder, and the lower connecting edge is twisted at the lower interface through a thread.

[0007] Furthermore, a center block is arranged in the middle of the top of the filter screen cylinder, a notch is provided on the upper end surface of the center block, and a handle is arranged at the lower end of the center block, and the filter screen cylinder is a detachable structure.

[0008] Furthermore, an outer arc plate is fixed in the middle of the outer ring surface of the water outlet bend pipe, and multiple groups of upper support rods are fixed on the outer arc plate. The upper parts of the upper support rods are fixed outside the upper protective mesh cover, and the upper protective mesh cover covers the outside of the first motor. At the same time, a water outlet is provided at the upper end of the water outlet bend pipe.

[0009] Furthermore, an inner anti-impact plate is provided on the upper left portion of the inner wall of the water outlet bend pipe, and the inner anti-impact plate is made of silicon carbide, and a base seat ring is provided on the lower portion of the outer side surface of the water outlet bend pipe, an upper connecting edge is fixed to the lower end of the base seat ring, and a middle connecting edge is fixed to the upper portion of the outer ring surface of the water inlet straight pipe, and a plurality of sets of fastening bolts are installed between the upper connecting edge and the middle connecting edge.

[0010] Furthermore, a sealing layer is provided on the outer side surface of the first motor, and a coupling is provided at the lower end of the first motor, a pump shaft is installed at the lower end of the coupling, a lower fixing sleeve is fixed to the lower part of the pump shaft, and lower connecting plates are provided on the left and right sides of the upper part of the lower fixing sleeve, the other end of the lower connecting plate is fixed on the inner scraper, and the outer end of the inner scraper is just in contact with the inner wall of the water inlet straight pipe.

[0011] Furthermore, the upper ring of the lower fixed sleeve is provided with multiple sets of impellers, and there is no contact between the outer side surface of the impeller and the inner scraper, and a lower plug is provided at the lower end of the pump shaft, and the lower plug is inserted into the recess.

[0012] Furthermore, the upper rod body of the pump shaft is sleeved in the middle shaft sleeve, and upper connecting plates are provided on both sides of the middle shaft sleeve, and the other end of the upper connecting plate is fixed to the inner wall of the water outlet elbow.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model installs the filter screen cylinder in the water inlet horn. On the one hand, it is to avoid using the filter screen cylinder to support the upper structure, so that the placement of the water inlet straight pipe is safe and stable. On the other hand, it reduces the impact of foreign objects on the filter screen cylinder. In addition, the filter screen cylinder is easy to assemble or disassemble for quick cleaning or replacement, which is more flexible and practical.

[0015] 2. The outer arc plate, upper support rod, upper sealing sleeve and upper protective mesh cover on the outer side of the outlet elbow of the utility model are arranged to provide external surrounding safety protection for the first motor and the upper sealing sleeve to prevent them from falling or collision damage, making them safer and more durable.

[0016] 3. In the utility model, when the pump shaft rotates, it will drive the lower fixed sleeve to rotate together, thereby driving the inner scraper to rotate and scrape off the adhesion on the inner wall of the water inlet straight pipe. The impeller arranged on the lower fixed sleeve adopts a large blade structure, and the impeller is wider at the bottom and narrower at the top, so the drainage volume is larger. At the same time, the lower plug sleeve at the lower end of the pump shaft is placed in the recess, so that the rotation of the lower rod body of the pump shaft is more stable and smooth.

[0017] 4. In the utility model, the upper part of the pump shaft is sleeved in the middle shaft sleeve. When the pump shaft rotates, it will not drive the middle shaft sleeve to rotate. The middle shaft sleeve and the upper connecting plate play a role in supporting the upper rod body of the pump shaft straight, so that the upper rod body of the pump shaft can rotate stably and smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0020] Figure 3 A schematic diagram of the pump shaft structure arrangement of an embodiment of the utility model;

[0021] Figure 4 This is a schematic diagram of the filter screen structure of an embodiment of the utility model.

[0022] In the figure: 1. water inlet straight pipe; 10. water inlet horn; 11. lower gasket; 12. middle connecting edge; 13. water inlet chamber; 14. lower interface; 2. water outlet elbow; 20. base seat ring; 21. upper connecting edge; 22. water outlet; 23. outer arc plate; 24. upper support rod; 25. upper sealing sleeve seat; 26. upper protective net cover; 27. inner anti-impact plate; 28. water outlet chamber; 3. first motor; 30. sealing layer; 31. pump shaft; 32. lower fixing sleeve; 33. lower connecting plate; 34. inner scraper; 35. impeller; 36. lower plug; 37. coupling; 4. middle shaft sleeve; 40. upper connecting plate; 5. filter screen cylinder; 50. lower connecting edge; 51. handle; 52. notch; 53. center block. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0024] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0025] Figure 1 It is a front view schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 The schematic diagram of the pump shaft structure of the utility model embodiment and Figure 4 This is a schematic diagram of the filter screen structure of an embodiment of the utility model.

[0026] Reference Figures 1 to 4 As shown, the utility model provides a vertical axial flow pump, including a water inlet straight pipe 1, a water outlet elbow pipe 2 and a first motor 3, a water inlet horn 10 is arranged at the lower part of the water inlet straight pipe 1, and a filter screen cylinder 5 is sleeved in the water inlet horn 10, a water outlet elbow pipe 2 is installed at the upper end of the water inlet straight pipe 1, and an upper sealing sleeve seat 25 is arranged on the upper part of the water outlet elbow pipe 2, a water guide pipe is arranged at the upper left corner of the upper sealing sleeve seat 25, and the first motor 3 is installed on the upper side of the upper sealing sleeve seat 25, a water inlet cavity 13 is opened in the water inlet straight pipe 1, a water outlet cavity 28 is opened in the water outlet elbow pipe 2, and the water inlet cavity 13 and the water outlet cavity 28 are connected.

[0027] In this embodiment, a lower gasket 11 is provided at the lower end of the water inlet horn 10, and a lower interface 14 is provided on the inner side surface of the lower gasket 11, and a lower connecting edge 50 is provided at the lower end of the filter screen cylinder 5, and the lower connecting edge 50 is twisted at the lower interface 14 through a thread; a center block 53 is provided in the middle of the top of the filter screen cylinder 5, a recess 52 is provided on the upper end surface of the center block 53, and a handle 51 is provided at the lower end of the center block 53, and the filter screen cylinder 5 is a detachable structure.

[0028] As a preferred embodiment, the utility model installs the filter screen cylinder 5 in the water inlet horn 10. On the one hand, it is to avoid using the filter screen cylinder 5 to support the upper structure, so that the placement of the water inlet straight pipe 1 is safe and stable. On the other hand, it reduces the impact of foreign objects on the filter screen cylinder 5. Moreover, the filter screen cylinder 5 is easy to assemble or disassemble for quick cleaning or replacement, which is more flexible and practical.

[0029] In this embodiment, an outer arc plate 23 is fixed to the middle part of the outer ring surface of the water outlet bend 2, and multiple groups of upper support rods 24 are fixed on the outer arc plate 23, and the upper part of the upper support rods 24 is fixed to the outside of the upper protective mesh cover 26, and the upper protective mesh cover 26 covers the outside of the first motor 3, and at the same time, a water outlet 22 is arranged at the upper end of the water outlet bend 2; an inner anti-impact plate 27 is arranged on the upper left part of the inner side wall of the water outlet bend 2, and the inner anti-impact plate 27 is made of silicon carbide, and a base seat ring 20 is arranged on the lower part of the outer side surface of the water outlet bend 2, and an upper connecting edge 21 is fixed to the lower end of the base seat ring 20, and a middle connecting edge 12 is fixed to the upper part of the outer ring surface of the water inlet straight pipe 1, and multiple groups of fastening bolts are installed between the upper connecting edge 21 and the middle connecting edge 12.

[0030] As a preferred embodiment, the outer arc plate 23, the upper support rod 24, the upper sealing sleeve 25 and the upper protective mesh cover 26 on the outer side of the water outlet elbow 2 of the utility model are arranged to provide external surrounding safety protection for the first motor 3 and the upper sealing sleeve 25 to prevent damage due to falling or collision, making them safer and more durable.

[0031] In this embodiment, a sealing layer 30 is provided on the outer side surface of the first motor 3, and a coupling 37 is provided at the lower end of the first motor 3, a pump shaft 31 is installed at the lower end of the coupling 37, a lower fixing sleeve 32 is fixed to the lower part of the pump shaft 31, and lower connecting plates 33 are provided on the left and right sides of the upper part of the lower fixing sleeve 32, and the other end of the lower connecting plate 33 is fixed on the inner scraper 34, and the outer end of the inner scraper 34 is just in contact with the inner wall of the water inlet straight pipe 1; a plurality of impellers 35 are arranged on the lower fixing sleeve 32, and there is no contact between the outer side surface of the impeller 35 and the inner scraper 34, and a lower plug 36 is provided at the lower end of the pump shaft 31, and the lower plug 36 is inserted into the recess 52.

[0032] As a preferred embodiment, in the utility model, the rotation of the pump shaft 31 will drive the lower fixed sleeve 32 to rotate together, thereby driving the inner scraper 34 to rotate and scrape off the adhesion on the inner wall of the water inlet straight pipe 1. In addition, the impeller 35 arranged around the lower fixed sleeve 32 adopts a large blade structure, and the impeller 35 is wide at the bottom and narrow at the top, with a larger drainage volume. At the same time, the lower plug 36 at the lower end of the pump shaft 31 is sleeved in the recess 52, so that the rotation of the lower rod body of the pump shaft 31 is more stable and smooth.

[0033] In this embodiment, the upper rod body of the pump shaft 31 is sleeved in the middle sleeve 4 , and upper connecting plates 40 are provided on both sides of the middle sleeve 4 , and the other end of the upper connecting plate 40 is fixed to the inner wall of the outlet elbow 2 .

[0034] As a preferred embodiment, the upper part of the pump shaft 31 of the utility model is sleeved in the middle shaft sleeve 4. When the pump shaft 31 rotates, it does not drive the middle shaft sleeve 4 to rotate. The middle shaft sleeve 4 and the upper connecting plate 40 play a role in supporting the upper rod body of the pump shaft 31 straight, so that the upper rod body of the pump shaft 31 can rotate stably and smoothly.

[0035] The utility model can effectively solve the problems in the prior art that the impeller drainage of the axial flow pump is small, and the setting of the transfer box will also increase the resistance area of ​​the water flow entering, which is not convenient and practical. The utility model facilitates and stably filters the water flow, and stably connects the upper and lower parts of the pump shaft to make it rotate smoothly and stably, driving the impeller to rotate and introduce a large water flow, which is convenient for removing adhesions on the inner wall of the pipeline and is more convenient and practical.

[0036] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A vertical axial flow pump, characterized in that: The invention comprises a water inlet straight pipe (1), a water outlet curved pipe (2) and a first motor (3); a water inlet horn (10) is arranged at the lower part of the water inlet straight pipe (1), and a filter screen cylinder (5) is sleeved in the water inlet horn (10); a water outlet curved pipe (2) is installed at the upper end of the water inlet straight pipe (1), and an upper sealing sleeve (25) is arranged at the upper part of the water outlet curved pipe (2); a water guide pipe is arranged at the upper left corner of the upper sealing sleeve (25), and a first motor (3) is installed on the upper side of the upper sealing sleeve (25); a water inlet cavity (13) is provided in the water inlet straight pipe (1), and a water outlet cavity (28) is provided in the water outlet curved pipe (2), and the water inlet cavity (13) and the water outlet cavity (28) are arranged in communication with each other.

2. A vertical axial flow pump according to claim 1, characterized in that: The lower end of the water inlet horn (10) is provided with a lower gasket (11), and the inner side surface of the lower gasket (11) is provided with a lower interface (14), and the lower end of the filter screen cylinder (5) is provided with a lower connecting edge (50), and the lower connecting edge (50) is screwed on the lower interface (14) through a thread.

3. A vertical axial flow pump according to claim 1, characterized in that: A center block (53) is arranged in the middle of the top of the filter screen cylinder (5), a notch (52) is provided on the upper end surface of the center block (53), and a handle (51) is arranged at the lower end of the center block (53), and the filter screen cylinder (5) is a detachable structure.

4. A vertical axial flow pump according to claim 1, characterized in that: An outer arc plate (23) is fixed to the middle of the outer ring surface of the water outlet elbow (2), a plurality of groups of upper support rods (24) are fixed to the outer arc plate (23), and the upper parts of the upper support rods (24) are fixed to the outside of the upper protective net cover (26), and the upper protective net cover (26) covers the outside of the first motor (3), and a water outlet (22) is provided at the upper end of the water outlet elbow (2).

5. A vertical axial flow pump according to claim 1, characterized in that: An inner impact-proof sheet (27) is provided at the upper left portion of the inner side wall of the water outlet elbow (2), and the inner impact-proof sheet (27) is made of silicon carbide, and a base ring (20) is provided at the lower portion of the outer side surface of the water outlet elbow (2), an upper connecting edge (21) is fixed at the lower end of the base ring (20), and a middle connecting edge (12) is fixed at the upper portion of the outer ring surface of the water inlet straight pipe (1), and a plurality of sets of fastening bolts are installed between the upper connecting edge (21) and the middle connecting edge (12).

6. A vertical axial flow pump according to claim 1, characterized in that: The outer side surface of the first motor (3) is provided with a sealing layer (30), and the lower end of the first motor (3) is provided with a coupling (37), the lower end of the coupling (37) is mounted with a pump shaft (31), the lower part of the pump shaft (31) is fixed with a lower fixing sleeve (32), and the upper left and right sides of the lower fixing sleeve (32) are provided with lower connecting plates (33), the other end of the lower connecting plate (33) is fixed on the inner scraper (34), and the outer end of the inner scraper (34) is in contact with the inner side wall of the water inlet straight pipe (1).

7. A vertical axial flow pump according to claim 6, characterized in that: The upper ring of the lower fixed sleeve (32) is provided with a plurality of impellers (35), and the outer side surfaces of the impellers (35) are not in contact with the inner scraper (34). The lower end of the pump shaft (31) is provided with a lower plug (36), and the lower plug (36) is inserted into the recess (52).

8. A vertical axial flow pump according to claim 6, characterized in that: The upper rod body of the pump shaft (31) is sleeved in the middle shaft sleeve (4), and upper connecting plates (40) are provided on both the left and right sides of the middle shaft sleeve (4), and the other end of the upper connecting plate (40) is fixed to the inner wall of the water outlet elbow (2).

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