CN211874732U

CN211874732U - Horizontal single-suction multistage segmental centrifugal pump

Info

Publication number: CN211874732U
Application number: CN201921944551.8U
Authority: CN
Inventors: 季正清; 张忠立; 曹久春; 季昊
Original assignee: Zhangjiagang Shenying Machinery Manufacturing Co ltd
Current assignee: Zhangjiagang Shenying Machinery Manufacturing Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-11-06
Anticipated expiration: 2029-11-12

Abstract

The utility model is suitable for the technical field of water pumps, and provides a horizontal single-suction multistage sectional centrifugal pump, which comprises a water pump shell, a rotating shaft, an impeller, a water outlet flange, a discharge section sealing sleeve, a spring and a rotating plate, wherein the rotating plate is in an oval plate-shaped structure and is sleeved on the rotating shaft inside the sealing sleeve and fixedly connected with the rotating shaft, the rotating shaft can drive the rotating plate to rotate in the rotating process, when a long semi-axis of the rotating plate rotates to a vertical state, the rotating plate compresses the sealing sleeve, the sealing sleeve compresses the spring at the bottom of the sealing sleeve to shrink, the sealing sleeve moves downwards along the discharge section, external clear water can flow into the discharge section at the moment, when a short semi-axis of the rotating plate rotates to a vertical state, the sealing sleeve loses the compression acting force of rotation, slides upwards under the restoring force of the spring, the two sides of the discharge section are completely sealed, thereby preventing the impeller from splashing the clear water in the discharge section through the, the problem of lower water outlet efficiency at the water outlet flange is caused.

Description

Horizontal single-suction multistage segmental centrifugal pump

Technical Field

The utility model belongs to the technical field of the water pump, especially, relate to a horizontal single multistage festival segmentation centrifugal pump that inhales.

Background

The centrifugal pump is a pump for conveying a liquid by centrifugal force generated when an impeller rotates.

For the multistage segmental centrifugal pump, when a plurality of water outlet flanges are arranged, a small amount of water can overflow from a connecting channel on the side surface of the impeller in the rotating process of the impeller, so that energy waste when the motor rotates is caused, and the water outlet efficiency of the centrifugal pump is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a horizontal single-suction multistage segmental centrifugal pump aims at solving to multistage segmental centrifugal pump, and when being equipped with a plurality of water outlet flanges, the impeller can lead to a small amount of water to spill over from the interface channel of impeller side at rotatory in-process to energy waste when causing the motor to rotate leads to the lower problem of water efficiency of centrifugal pump.

The utility model discloses a realize like this, a horizontal single multistage festival segmentation centrifugal pump of inhaling, including water pump shell, pivot, impeller, water flange, spit section seal cover, spring and commentaries on classics board, the pivot runs through water pump shell, and with water pump shell rotates to be connected, impeller fixed connection in the surface of pivot, the spit section runs through water pump shell, and with water pump shell fixed connection, seal cover fixed connection in the top of spring, the bottom of spring with the interior bottom fixed connection of spitting the section, the commentaries on classics board is located inside the spitting section, it locates to change the board cover the surface of pivot, and with pivot fixed connection.

Preferably, one side of the water pump shell is provided with a water inlet flange, the water inlet flange is communicated with the inside of the water pump shell, and the water inlet flange is far away from the outer surface of one end of the water pump shell and is provided with an external thread for screwing a water pipe.

Preferably, the quantity of impeller is a plurality of, per two the impeller is a set of, every group the impeller respectively fixed connection in the upper and lower both sides of pivot, the multiunit the impeller is followed the length direction equidistance of pivot is arranged.

Preferably, the bottom of the impeller is provided with a plurality of connecting plates, and the plurality of impellers correspond to the plurality of connecting plates one by one and are fixedly connected with the outer surface of the rotating shaft through the connecting plates.

Preferably, the bottom of the water outlet flange penetrates through the water pump shell through a circular through hole formed in the top of the water pump shell and is fixedly connected with the spitting section.

Preferably, the inside of the spitting section is hollow, a water inlet and a water outlet are respectively formed in the left side and the right side of the spitting section, and the water inlet and the water outlet are symmetrically distributed along the central axis of the spitting section.

Preferably, the rotating shaft penetrates through the spitting section through a water inlet and a water outlet which are formed in the spitting section and is rotatably connected with the spitting section.

Preferably, sliding grooves are formed in the left side and the right side of the sealing sleeve, notches which are sunken downwards are formed in the front side and the rear side of the sealing sleeve, and the sliding grooves are clamped on the two sides of the rotating shaft and are in sliding connection with the rotating shaft.

Preferably, the rotating plate is of an oval plate-shaped structure, and the rotating plate is sleeved on the rotating shaft located in the sealing sleeve and fixedly connected with the rotating shaft.

Preferably, one end of the rotating shaft, which is far away from the water inlet flange, penetrates through the water pump shell and is fixedly connected with the output end of an external motor.

Compared with the prior art, the beneficial effects of the utility model are that: the horizontal single-suction multistage sectional centrifugal pump of the utility model is provided with the water outlet flange, the discharge section, the sealing sleeve, the spring and the rotating plate, the rotating plate is in an oval plate-shaped structure and is sleeved on the rotating shaft inside the sealing sleeve and is fixedly connected with the rotating shaft, the rotating shaft can drive the rotating plate to rotate in the rotating process, when the long half shaft of the rotating plate rotates to a vertical state, the rotating plate presses the sealing sleeve to enable the sealing sleeve to press the spring at the bottom of the sealing sleeve to contract, the sealing sleeve moves downwards along the spitting section, and at the moment, external clear water can flow into the spitting section, when the short half shaft of the rotating plate rotates to a vertical state, the sealing sleeve loses the pressing acting force of the rotating plate, the impeller slides upwards under the action of restoring force of the spring, and two sides of the spitting section are completely sealed, so that the problem that when the impeller rotates, clear water in the spitting section is splashed out through openings in two sides of the spitting section, and the water outlet efficiency at the water outlet flange is low is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the spitting section of the present invention;

FIG. 3 is a schematic view of a connection structure of the rotating plate according to the present invention;

in the figure: 11. a water pump housing; 12. a water inlet flange; 13. a rotating shaft; 14. a connecting plate; 15. An impeller; 16. a water outlet flange; 17. a discharge section; 18. a water inlet; 19. a water outlet; 20. Sealing sleeves; 21. a spring; 22. and (6) rotating the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a horizontal single multistage festival segmentation centrifugal pump of inhaling, including water pump shell 11, the pivot 13, impeller 15, go out water flange 16, spit out section 17 seal cover 20, spring 21 and commentaries on classics board 22, pivot 13 runs through water pump shell 11, and rotate with water pump shell 11 and be connected, impeller 15 fixed connection is in the surface of pivot 13, spit out section 17 and run through water pump shell 11, and with water pump shell 11 fixed connection, seal cover 20 fixed connection is in the top of spring 21, the bottom of spring 21 and the interior bottom surface fixed connection who spits out section 17, it is inside that commentaries on classics board 22 is located spit out section 17, the surface of pivot 13 is located to commentaries on classics board 22 cover, and with pivot 13 fixed connection.

In the embodiment, a through hole is formed on the water pump housing 11, the water outlet flange 16 penetrates through the water pump housing 11 through the through hole and is fixedly connected with the discharge section 17, a water inlet 18 and a water outlet 19 are formed on two sides of the discharge section 17, the rotating shaft 13 penetrates through the discharge section 17 through the water inlet 18 and the water outlet 19 and is rotatably connected with the discharge section 17, a spring 21 is arranged at the bottom of the discharge section 17, a sealing sleeve 20 is fixedly connected with the top of the spring 21, sliding grooves are formed on two sides of the sealing sleeve 20 and are slidably connected with the rotating shaft 13 through the sliding grooves, the rotating plate 22 is in an oval plate-shaped structure, the rotating plate 22 is sleeved on the rotating shaft 13 inside the sealing sleeve 20 and is fixedly connected with the rotating shaft 13, when the long half shaft of the rotating plate 22 rotates to a vertical state, the rotating plate 22 presses the sealing sleeve 20 to enable the sealing sleeve 20 to press the spring 21 at the bottom of the, expose the water inlet 18 and the delivery port 19 of spitting out the section 17 both sides, inside outside clear water accessible water inlet 18 flowed into spitting out section 17, when the minor axis of commentaries on classics board 22 rotated to vertical state, seal cover 20 upwards slided under the restoring force effect of spring 21, completely sealed with water inlet 18 and delivery port 19, water inlet 18 and the less problem of delivery efficiency of the flange 16 department that causes a water of spouting out when avoiding impeller 15 to rotate the inside clear water of spitting out section 17 through the water inlet 18 and the delivery port 19 that the section 17 both sides were seted up of spitting out spills.

In this embodiment, one end of the water pump housing 11 is fixedly connected with a water inlet flange 12, the outer surface of the water inlet flange 12 is provided with external threads, when in use, an external water pipe is connected with the water pump housing 11 through the water inlet flange 12, a rotating shaft 13 is arranged inside the water pump housing 11, the rotating shaft 13 penetrates through the water pump housing 11 and is rotatably connected with the water pump housing 11, the outer surface of the rotating shaft 13 is provided with a plurality of groups of impellers 15, the plurality of groups of impellers 15 are uniformly arranged along the length direction of the rotating shaft 13 and are fixedly connected with the rotating shaft 13 through a connecting plate 14, one end of the rotating shaft 13 far away from the water inlet flange 12 is fixedly connected with the output end of an external motor, the rotating shaft 13 is driven to rotate through the rotation of the external motor, so as to drive the impellers 15 fixedly connected with the rotating shaft 13 to rotate, the centrifugal force generated when the impellers, clear water in the water inlet flange 12 is discharged, a through hole is formed in the water pump shell 11, the water outlet flange 16 penetrates through the water pump shell 11 through the through hole and is fixedly connected with the spitting section 17, a water inlet 18 and a water outlet 19 are formed in two sides of the spitting section 17, the rotating shaft 13 penetrates through the spitting section 17 through the water inlet 18 and the water outlet 19 and is rotatably connected with the spitting section 17, a spring 21 is arranged at the bottom of the spitting section 17, a sealing sleeve 20 is fixedly connected to the top of the spring 21, sliding grooves are formed in two sides of the sealing sleeve 20 and are slidably connected with the rotating shaft 13 through the sliding grooves, the rotating plate 22 is of an oval plate-shaped structure, the rotating plate 22 is sleeved on the rotating shaft 13 in the sealing sleeve 20 and is fixedly connected with the rotating shaft 13, when the long half shaft of the rotating plate 22 rotates to be in a vertical state, the rotating plate 22 presses the sealing sleeve 20 to enable the sealing sleeve 20 to, expose the water inlet 18 and the delivery port 19 of vomiting section 17 both sides, inside outside clear water accessible water inlet 18 flowed into vomiting section 17, when the stub axle of commentaries on classics board 22 rotated to vertical state, seal cover 20 upwards slides under the restoring force effect of spring 21, completely sealed with water inlet 18 and delivery port 19, water inlet 18 and delivery port 19 that the inside clear water of vomiting section 17 was seted up through vomiting section 17 both sides when avoiding impeller 15 to rotate spills, cause the lower problem of the water efficiency of the flange 16 department of spouting, the efficiency of the water of the flange 16 that spouts has been improved greatly.

Furthermore, one side of the water pump shell 11 is provided with a water inlet flange 12, the water inlet flange 12 is communicated with the inside of the water pump shell 11, and an external thread used for screwing a water pipe is arranged on the outer surface of one end, far away from the water pump shell 11, of the water inlet flange 12.

In this embodiment, one end of the water pump housing 11 is provided with the water inlet flange 12, the water inlet flange 12 is communicated with the inside of the water pump housing 11 and used for guiding external clean water into the inside of the water pump housing 11, and the outer surface of the water inlet flange 12, which is far away from one end of the water pump housing 11, is provided with an external thread for screwing a water pipe and is used for connecting the water inlet flange 12 with the external water pipe.

Further, the number of the impellers 15 is multiple, every two impellers 15 form a group, each group of impellers 15 is respectively and fixedly connected to the upper side and the lower side of the rotating shaft 13, and the multiple groups of impellers 15 are arranged at equal intervals along the length direction of the rotating shaft 13.

In this embodiment, the number of the impellers 15 is plural, every two impellers 15 are a group, each group of the impellers 15 is respectively and fixedly connected to the upper side and the lower side of the rotating shaft 13, the plural groups of the impellers 15 are arranged at equal intervals along the length direction of the rotating shaft 13, the rotating shaft 13 drives the impellers 15 to rotate, and the centrifugal force generated when the impellers 15 rotate discharges the clean water in the water pump shell 11 through the water outlet flange 16, so as to achieve the purpose of supplying water.

Further, a plurality of connecting plates 14 are arranged at the bottom of the impeller 15, and the plurality of impellers 15 correspond to the plurality of connecting plates 14 one by one and are fixedly connected with the outer surface of the rotating shaft 13 through the connecting plates 14.

In the present embodiment, a plurality of connection plates 14 are provided at the bottom of the impeller 15, the plurality of impellers 15 correspond to the plurality of connection plates 14 one by one, and are fixedly connected to the outer surface of the rotating shaft 13 through the connection plates 14, and the impeller 15 is fixedly connected to the rotating shaft 13 through the connection plates 14, so that the rotating shaft 13 can drive the impeller 15 to rotate during rotation, thereby generating a large centrifugal force.

Furthermore, the bottom of the water outlet flange 16 penetrates through the water pump shell 11 through a circular through hole formed in the top of the water pump shell 11, and is fixedly connected with the discharge section 17.

In this embodiment, the bottom of the water outlet flange 16 penetrates through the water pump housing 11 through a circular through hole formed in the top of the water pump housing 11, and is fixedly connected with the discharge section 17, so that the centrifugal force generated by the impeller 15 inside the discharge section 17 during rotation throws the clean water inside the discharge section 17 out through the water outlet flange 16, thereby achieving the purpose of supplying water through the water outlet flange 16.

Further, the inside of the spitting section 17 is hollow, a water inlet 18 and a water outlet 19 are respectively formed in the left side and the right side of the spitting section 17, and the water inlet 18 and the water outlet 19 are symmetrically distributed along the central axis of the spitting section 17.

In this embodiment, the discharging section 17 is hollow, the left and right sides of the discharging section 17 are respectively provided with a water inlet 18 and a water outlet 19, the water inlet 18 and the water outlet 19 are symmetrically distributed along the central axis of the discharging section 17, and the water inlet 18 and the water outlet 19 are arranged on the two sides of the discharging section 17 and used for communicating the plurality of discharging sections 17 with each other, so that the plurality of discharging sections 17 can synchronously perform water discharging operation.

Further, the rotating shaft 13 penetrates through the discharging section 17 through a water inlet 18 and a water outlet 19 formed on the discharging section 17, and is rotatably connected with the discharging section 17.

In the present embodiment, the rotating shaft 13 penetrates the discharge section 17 through the water inlet 18 and the water outlet 19 provided in the discharge section 17, and is rotatably connected to the discharge section 17, so that a part of the impeller 15 on the rotating shaft 13 falls inside the discharge section 17, and clean water inside the discharge section 17 is discharged through the water discharge flange 16 by the rotation of the impeller 15 inside the discharge section 17.

Furthermore, sliding grooves are formed in the left side and the right side of the sealing sleeve 20, downward-recessed notches are formed in the front side and the rear side of the sealing sleeve 20, and the sliding grooves are clamped on the two sides of the rotating shaft 13 and are in sliding connection with the rotating shaft 13.

In this embodiment, the left and right sides of the sealing sleeve 20 are provided with sliding grooves, the front and rear sides of the sealing sleeve 20 are provided with notches recessed downwards, the sliding grooves are clamped at the two sides of the rotating shaft 13 and are in sliding connection with the rotating shaft 13, so that the sealing sleeve 20 can slide up and down along the height direction of the spitting section 17, when the sealing sleeve 20 slides upwards, the water inlets 18 and the water outlets 19 at the left and right sides of the spitting section 17 can be sealed, the clear water inside the spitting section 17 is prevented from leaking, and the water outlet efficiency of the water outlet flange 16 is greatly improved.

Further, the rotating plate 22 is an elliptical plate-shaped structure, and the rotating plate 22 is sleeved on the rotating shaft 13 inside the sealing sleeve 20 and is fixedly connected with the rotating shaft 13.

In the present embodiment, the rotating plate 22 is an elliptical plate-shaped structure, the rotating plate 22 is sleeved on the rotating shaft 13 inside the sealing sleeve 20 and is fixedly connected with the rotating shaft 13, when the long half shaft of the rotating plate 22 rotates to a vertical state, the rotating plate 22 presses the sealing sleeve 20, so that the sealing sleeve 20 presses the spring 21 at the bottom of the sealing sleeve to contract, at the moment, the sealing sleeve 20 moves downwards along the spitting section 17, the water inlets 18 and the water outlets 19 at two sides of the spitting section 17 are exposed, external clean water can flow into the spitting section 17 through the water inlets 18, when the short half shaft of the rotating plate 22 rotates to a vertical state, the sealing sleeve 20 slides upwards under the restoring force of the spring 21 to completely seal the water inlet 18 and the water outlet 19, so that the problem that when the impeller 15 rotates, clean water in the spitting section 17 is splashed out through the water inlet 18 and the water outlet 19 formed in the two sides of the spitting section 17, and the water outlet efficiency of the water outlet flange 16 is low is solved.

Furthermore, one end of the rotating shaft 13, which is far away from the water inlet flange 12, penetrates through the water pump housing 11 and is fixedly connected with the output end of an external motor.

In this embodiment, the one end of the rotating shaft 13 far from the water inlet flange 12 runs through the water pump housing 11, and is fixedly connected with the output end of the external motor, and after being electrically connected with the external power supply through the external motor, the rotating shaft 13 is driven to rotate, so that the impeller 15 fixedly connected to the rotating shaft 13 is driven to rotate, centrifugal force is generated, and clean water inside the spitting section 17 is discharged.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a horizontal single multistage festival segmentation centrifugal pump of inhaling, includes water pump shell (11), pivot (13), impeller (15), goes out water flange (16), spits out section (17) seal cover (20), spring (21) and commentaries on classics board (22), its characterized in that: the rotary shaft (13) penetrates through the water pump shell (11) and is rotatably connected with the water pump shell (11), the impeller (15) is fixedly connected with the outer surface of the rotary shaft (13), the spitting section (17) penetrates through the water pump shell (11) and is fixedly connected with the water pump shell (11), the sealing sleeve (20) is fixedly connected with the top of the spring (21), the bottom of the spring (21) is fixedly connected with the inner bottom surface of the spitting section (17), the rotating plate (22) is located inside the spitting section (17), and the rotating plate (22) is sleeved on the outer surface of the rotary shaft (13) and is fixedly connected with the rotary shaft (13).

2. The horizontal single suction multistage centrifugal pump as claimed in claim 1, characterized in that: wherein one side of water pump housing (11) is equipped with into water flange (12), intake flange (12) with water pump housing (11) is inside to be linked together, just intake flange (12) are kept away from offer the external screw thread that is used for the spiro union water pipe on the surface of water pump housing (11) one end.

3. The horizontal single suction multistage centrifugal pump as claimed in claim 1, characterized in that: the quantity of impeller (15) is a plurality of, per two impeller (15) are a set of, every group impeller (15) respectively fixed connection in the upper and lower both sides of pivot (13), multiunit impeller (15) are followed the length direction equidistance of pivot (13) is arranged.

4. The horizontal single suction multistage centrifugal pump of claim 3, characterized in that: the bottom of the impeller (15) is provided with a plurality of connecting plates (14), the plurality of impellers (15) are in one-to-one correspondence with the plurality of connecting plates (14), and are fixedly connected with the outer surface of the rotating shaft (13) through the connecting plates (14).

5. The horizontal single suction multistage centrifugal pump as claimed in claim 1, characterized in that: the bottom of the water outlet flange (16) penetrates through the water pump shell (11) through a circular through hole formed in the top of the water pump shell (11) and is fixedly connected with the spitting section (17).

6. The horizontal single suction multistage centrifugal pump as claimed in claim 1, characterized in that: the novel water-saving type water dispenser is characterized in that the interior of the spitting section (17) is hollow, a water inlet (18) and a water outlet (19) are formed in the left side and the right side of the spitting section (17) respectively, and the water inlet (18) and the water outlet (19) are symmetrically distributed along the central axis.

7. The horizontal single suction multistage centrifugal pump of claim 6, characterized in that: the rotating shaft (13) penetrates through the spitting section (17) through a water inlet (18) and a water outlet (19) which are formed in the spitting section (17), and is rotatably connected with the spitting section (17).

8. The horizontal single suction multistage centrifugal pump as claimed in claim 1, characterized in that: the left side and the right side of the sealing sleeve (20) are provided with sliding grooves, the front side and the rear side of the sealing sleeve (20) are provided with notches which are sunken downwards, and the sliding grooves are clamped on two sides of the rotating shaft (13) and are in sliding connection with the rotating shaft (13).

9. The horizontal single suction multistage centrifugal pump as claimed in claim 1, characterized in that: the rotating plate (22) is of an oval plate-shaped structure, and the rotating plate (22) is sleeved on the rotating shaft (13) inside the sealing sleeve (20) and is fixedly connected with the rotating shaft (13).

10. The horizontal single suction multistage centrifugal pump as claimed in claim 2, characterized in that: one end of the rotating shaft (13) far away from the water inlet flange (12) penetrates through the water pump shell (11) and is fixedly connected with the output end of an external motor.