CN219062041U

CN219062041U - Mixed flow pump with good sealing performance

Info

Publication number: CN219062041U
Application number: CN202223199022.4U
Authority: CN
Inventors: 万代祥; 张鑫麟; 刘春鹏; 万超
Original assignee: Gaoyou Central Post Pump Industry Co ltd
Current assignee: Gaoyou Central Post Pump Industry Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-23
Anticipated expiration: 2032-11-29

Abstract

The utility model provides a mixed flow pump with good sealing performance, which relates to the technical field of mixed flow pumps and comprises a pump body shell and a waterproof shell, wherein the waterproof shell is arranged at the upper end of the pump body shell, a first motor is arranged in the pump body shell, a rotating shaft is arranged at the output end of the first motor in a linkage way, a waterproof plate is arranged below the waterproof shell, a mounting groove is arranged at the central position of the waterproof plate, the rotating shaft is rotatably arranged in the mounting groove, a sealing groove is arranged at the central position of the mounting groove, a sealing ring which is rotatably arranged with the sealing groove is arranged at the outer side of the rotating shaft, a water baffle is arranged on the side wall of the rotating shaft, the water baffle is rotatably arranged at the outer side of the waterproof plate, and a water absorption pad is arranged at the inner side of the waterproof plate. According to the waterproof motor, the waterproof board and the water baffle are matched, the sealing and waterproof operation is carried out between the rotating shaft and the mounting groove, and the water stain is completely sealed after the water stain enters the waterproof shell through the matching of the water absorption pad and the humidity sensor, so that the water stain is prevented from being contacted with the first motor.

Description

Mixed flow pump with good sealing performance

Technical Field

The utility model relates to the technical field of mixed flow pumps, in particular to a mixed flow pump with good sealing performance.

Background

The mixed flow pump is a pump between the centrifugal pump and the axial flow pump, the specific rotation speed of the mixed flow pump is higher than that of the centrifugal pump and lower than that of the axial flow pump, the lift of the mixed flow pump is higher than that of the axial flow pump, but the flow rate of the mixed flow pump is smaller than that of the axial flow pump and larger than that of the centrifugal pump, and the mixed flow pump is divided into various types according to different installation sites, wherein the mixed flow pump comprises a submersible mixed flow pump.

The utility model provides a novel mixed flow pump of patent number "CN103603807A", includes the pump body, pump shaft, impeller and hinders the rotary vane, the pump shaft pass through bearing body, bearing, protecgulum, back lid and axle sleeve installation support in the pump body, the impeller fix on one end of pump shaft, the front end of pump cover be equipped with and hinder the rotary vane, hinder rotary vane and pump cover casting integrated structure, the impeller establish in the mixed flow room, the upper portion of the pump body be equipped with the delivery port, sunction inlet, mixed flow room be linked together with the delivery port. The mixed flow pump of the utility model has the advantages that the rotation blocking blades are uniformly arranged in the pump cover of the existing mixed flow pump, the pressure pulsation and cavitation noise of water flow are reduced, the water inlet condition of the water pump is improved, and the safety and stability of the operation of the water pump are improved.

In the patent, the waterproof operation of the pump shaft is realized by the waterproof arrangement of the water retaining ring, but a small amount of water seepage condition can occur at the edge of the pump shaft after the pump shaft rotates for a long time, the pump body is continuously used under the condition of no protection, the condition that the motor linked with the pump shaft encounters water can be caused, the pump body is damaged,

disclosure of Invention

The utility model aims to solve the problem that in the prior art, the tightness between a rotating shaft connected with an output end of a motor and a pump body is not good.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a mixed flow pump that leakproofness is good, includes pump body shell and waterproof shell, waterproof shell sets up pump body shell's upper end, be equipped with first motor in the pump body shell, the output linkage of first motor is equipped with the pivot, waterproof shell's below is equipped with the waterproof board, the central point department of waterproof board puts and is equipped with the mounting groove, the pivot rotates and sets up in the mounting groove, the central point department of mounting groove is equipped with the seal groove, the outside of pivot be equipped with the seal groove rotates the sealing ring that sets up, be equipped with the breakwater on the lateral wall of pivot, the breakwater rotates the setting and is in the outside of waterproof board, one side is equipped with the pad that absorbs water in the leaning on of waterproof board, be equipped with humidity transducer in the waterproof shell, be equipped with on the inner wall of waterproof shell with complete sealing mechanism.

As a preferred implementation mode, the outside width of sealing ring is wider than the width of one side of being close to the inside, seal groove and sealing ring block slip adaptation are through setting up the outside width of sealing ring wider, even have water to get into between sealing ring and the seal groove, through the setting of sealing ring and the difference of height of seal groove for water stain also hardly passes seal groove and sealing ring and gets into waterproof shell.

As a preferred implementation mode, the bearing is arranged between the sealing ring and the sealing groove, a first sealing ring is arranged between the lower part of the sealing ring and the sealing groove, the fluency of rotation between the sealing ring and the sealing groove is guaranteed through the arranged bearing, and the tightness of rotation of the sealing ring is guaranteed through the arranged first sealing ring.

As a preferred embodiment, the breakwater is the annular structure setting, the top edge of breakwater with the inside block in below of breakwater rotates the setting, the breakwater with through second sealing washer assembly setting between the breakwater, through breakwater and the second sealing washer that sets up, be convenient for carry out most direct blocking to the water stain, avoid the water stain to get into in the waterproof casing through the gap between mounting groove and the pivot.

As a preferred implementation mode, the complete sealing mechanism comprises a mounting sleeve, a waterproof sleeve and a fixing sleeve, one end of the fixing sleeve is fixedly arranged on the waterproof plate, the mounting sleeve is fixedly arranged on the rotating shaft, the mounting sleeve and the fixing sleeve are positioned on the same plane, the waterproof sleeve is arranged between the fixing sleeve and the waterproof sleeve in a sealing mode, the fixing sleeve and the waterproof sleeve are arranged in a pressing contact mode, the waterproof sleeve and the mounting sleeve are arranged in a threaded assembling mode, the waterproof sleeve is connected with the mounting sleeve in a threaded assembling mode through the waterproof sleeve, the waterproof sleeve is conveniently arranged between the mounting sleeve and the fixing sleeve in a threaded assembling mode, and in the mounting process, the waterproof sleeve is in pressing contact with the fixing sleeve, so that connection is tight, and water stains can be effectively placed.

As a preferred implementation mode, the outside of waterproof cover is wide round platform column structure down narrow, the upper end outside of waterproof cover is equipped with the gear, the gear passes through second motor drive setting, drives the gear through second motor drive and rotates, and then the shell drives and seals the screw assembly between waterproof cover and the installation cover, in the rotation process, waterproof cover continuously descends, and between waterproof cover and the fixed cover more and more inseparable to reach fine complete sealing operation.

As a preferred implementation mode, be equipped with the control box on the waterproof casing, be equipped with the singlechip in the control box, humidity transducer passes through singlechip and second motor electric connection setting, when humidity transducer monitors that the humidity of water absorption pad is higher, can transmit the data of monitoring to the second motor through the singlechip, drives it, and then drives complete sealing mechanism, realizes keeping apart waterproof casing and outside completely, avoids the water stain entering.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the water stain is conveniently and most directly blocked through the water baffle, the water stain is prevented from entering the waterproof shell through the gap between the mounting groove and the rotating shaft, the water stain is difficult to enter the waterproof shell through the arrangement of the sealing groove and the sealing groove in different heights through the clamping rotation adaptation of the sealing groove and the sealing groove, and the water stain is prevented from being contacted with the first motor through the complete sealing operation after entering the waterproof shell through the matching of the water absorption pad and the humidity sensor.

2. According to the waterproof shell, the width of the outer side of the sealing ring is set to be wider, and even if water enters between the sealing rings, water stains are difficult to enter the waterproof shell through the sealing rings by the arrangement of the sealing rings with different heights.

Drawings

FIG. 1 is a perspective view of an internal structure of a mixed flow pump with good sealing performance;

FIG. 2 is a perspective view of a waterproof case of the mixed flow pump with good sealing performance;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 of a mixed flow pump with good sealing performance;

fig. 4 is a schematic diagram of a complete sealing mechanism of a mixed flow pump with good sealing performance.

Legend description:

1. a pump body housing; 2. a waterproof case; 3. a first motor; 4. a rotating shaft; 5. a waterproof board; 6. a mounting groove; 7. sealing grooves; 8. a seal ring; 9. a water baffle; 10. a water absorbing pad; 11. a humidity sensor; 12. a bearing; 13. a first seal ring; 14. a second seal ring; 15. a mounting sleeve; 16. a fixed sleeve; 17. a waterproof jacket; 18. a second motor; 19. and a control box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a mixed flow pump that leakproofness is good, including pump body shell 1 and waterproof case 2, waterproof case 2 sets up the upper end at pump body shell 1, be equipped with first motor 3 in pump body shell 1, the output linkage of first motor 3 is equipped with pivot 4, waterproof case 2's below is equipped with waterproof board 5, waterproof board 5's central point puts department and is equipped with mounting groove 6, pivot 4 rotates and sets up in mounting groove 6, mounting groove 6's central point put department is equipped with seal groove 7, pivot 4's outside is equipped with seal ring 8 with seal groove 7 rotation setting, be equipped with breakwater 9 on pivot 4's the lateral wall, breakwater 9 rotates the outside that sets up at waterproof board 5, waterproof board 5 lean on interior one side to be equipped with water absorption pad 10, be equipped with humidity transducer 11 in waterproof case 2, be equipped with on the inner wall and seal mechanism completely, through the breakwater 9 that sets up, be convenient for carry out most direct blocking to water stain, avoid water stain to get into waterproof case 2 through the gap between mounting groove 6 and the pivot 4, through seal groove 7 and seal ring 8's block rotation adaptation, make water stain be difficult to get into motor 8 and be equipped with the water absorption pad 10 through a pair of high-speed sensor 10 and the side-speed sensor 10, the water absorption pad is carried out between the drive 10 and the water absorption pad is carried out to the water absorption pad 4 when the operation is carried out to the 4, the water absorption pad is 10, the water absorption pad is carried out to the operation is 4 and is carried out to the 4, the sensor is more than between the sensor is difficult to the drive is set up with the 4 and is more than 4, and is used to the pad is more than 4.

As shown in fig. 1-4, the width of the outer side of the sealing ring 8 is wider than the width of the inner side, the sealing groove 7 is matched with the sealing ring 8 in a clamping sliding manner, and even if water enters between the sealing ring 8 and the sealing groove 7, the water stain is difficult to enter the waterproof shell 2 through the sealing groove 7 and the sealing ring 8 due to the arrangement of different heights of the sealing ring 8 and the sealing groove 7.

As shown in fig. 1-4, a bearing 12 is arranged between the sealing ring 8 and the sealing groove 7, a first sealing ring 13 is arranged between the lower part of the sealing ring 8 and the sealing groove 7, the smoothness of rotation between the sealing ring 8 and the sealing groove 7 is ensured through the arranged bearing 12, and the tightness of rotation is ensured through the arranged first sealing ring 13.

As shown in fig. 1-4, the water baffle 9 is in an annular structure, the upper edge of the water baffle 9 is rotationally clamped with the lower part of the water baffle 5, the water baffle 9 and the water baffle 5 are assembled and arranged through the second sealing ring 14, and the water baffle 9 and the second sealing ring 14 are convenient for most directly blocking water stains, so that the water stains are prevented from entering the waterproof shell 2 through gaps between the mounting groove 6 and the rotating shaft 4.

As shown in fig. 1-4, the complete sealing mechanism comprises a mounting sleeve 15, a waterproof sleeve 17 and a fixing sleeve 16, one end of the fixing sleeve 16 is fixedly arranged on the waterproof plate 5, the mounting sleeve 15 is fixedly arranged on the rotating shaft 4, the mounting sleeve 15 and the fixing sleeve 16 are positioned on the same plane, the waterproof sleeve 17 is arranged between the fixing sleeve 16 and the waterproof sleeve 17 in a sealing manner, the fixing sleeve 16 and the waterproof sleeve 17 are arranged in an extrusion contact manner, the waterproof sleeve 17 and the mounting sleeve 15 are arranged in a threaded assembly manner, the waterproof sleeve 17 is connected with the mounting sleeve 15 in a threaded assembly manner through the waterproof sleeve 17, the waterproof sleeve 17 is conveniently sleeved between the mounting sleeve 15 and the fixing sleeve 16, and in the mounting process, the waterproof sleeve 17 is in extrusion contact with the fixing sleeve 16, so that the connection is tighter, and water stains can be effectively placed.

As shown in fig. 1-4, the outer side of the waterproof sleeve 17 is in a truncated cone-shaped structure with a wide upper part and a narrow lower part, a gear is arranged at the outer side of the upper end of the waterproof sleeve 17, the gear is driven and arranged through a second motor 18, the gear is driven and driven to rotate through the second motor 18, and then the shell drives the waterproof sleeve 17 to be assembled with the mounting sleeve 15 through sealing threads, in the rotating process, the waterproof sleeve 17 continuously faces downwards, and the waterproof sleeve 17 and the fixing sleeve 16 are more and more tightly arranged, so that good complete sealing operation is achieved.

As shown in fig. 1-4, the waterproof shell 2 is provided with a control box 19, a single-chip microcomputer is arranged in the control box 19, the humidity sensor 11 is electrically connected with the second motor 18 through the single-chip microcomputer, when the humidity sensor 11 monitors that the humidity of the water absorption pad 10 is high, the monitored data are transmitted to the second motor 18 through the single-chip microcomputer to drive the second motor, and then the complete sealing mechanism is driven, so that the waterproof shell 2 is completely isolated from the outside, and water stains are prevented from entering.

Working principle: through the breakwater 9 that sets up, be convenient for carry out most direct blocking to the water stain, avoid the water stain to get into waterproof casing 2 through the gap between mounting groove 6 and the pivot 4 in, rotate the adaptation through seal groove 7 and seal ring 8's block, make the water stain be difficult to get into waterproof casing 2 through seal ring 8 and seal groove 7's the setting of difference, through the cooperation of water absorption pad 10 and humidity transducer 11, still permeate the water stain between pivot 4 and mounting groove 6 after long-time operation process, and the water stain is absorbed by water absorption pad 10, wherein humidity transducer 11 monitors water absorption pad 10, when water absorption pad 10's moisture content is higher, can pause the drive to first motor 3, and carry out the totally sealed operation between pivot 4 and the mounting groove 6 through driving complete sealing mechanism, avoid the water stain to get into, thereby reach the effective protection operation to setting up first motor 3 in waterproof casing 2.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.

Claims

1. The utility model provides a mixed flow pump that leakproofness is good, includes pump body shell (1) and waterproof casing (2), waterproof casing (2) set up the upper end of pump body shell (1), be equipped with first motor (3) in pump body shell (1), the output linkage of first motor (3) is equipped with pivot (4), its characterized in that, the below of waterproof casing (2) is equipped with waterproof board (5), the central point department of waterproof board (5) is equipped with mounting groove (6), pivot (4) rotate and set up in mounting groove (6), the central point department of mounting groove (6) is equipped with seal groove (7), the outside of pivot (4) be equipped with seal groove (7) rotate sealing ring (8) that set up, be equipped with breakwater (9) on the lateral wall of pivot (4), breakwater (9) rotate the outside of setting up waterproof board (5), one side is equipped with water absorption pad (10) in leaning on, be equipped with humidity transducer (11) in waterproof casing (2), be equipped with on the inner wall of waterproof casing (2) completely.

2. The well-sealed mixed flow pump according to claim 1, wherein: the width of the outer side of the sealing ring (8) is wider than the width of the inner side, and the sealing groove (7) is matched with the sealing ring (8) in a clamping sliding manner.

3. The well-sealed mixed flow pump according to claim 2, wherein: a bearing (12) is arranged between the sealing ring (8) and the sealing groove (7), and a first sealing ring (13) is arranged between the lower part of the sealing ring (8) and the sealing groove (7).

4. The well-sealed mixed flow pump according to claim 1, wherein: the water baffle (9) is in an annular structure, the upper edge of the water baffle (9) and the lower part of the water baffle (5) are clamped and rotated, and the water baffle (9) and the water baffle (5) are assembled and arranged through a second sealing ring (14).

5. The well-sealed mixed flow pump according to claim 1, wherein: the full sealing mechanism comprises a mounting sleeve (15), a waterproof sleeve (17) and a fixing sleeve (16), one end of the fixing sleeve (16) is fixedly arranged on the waterproof plate (5), the mounting sleeve (15) is fixedly arranged on the rotating shaft (4), the mounting sleeve (15) and the fixing sleeve (16) are located on the same plane, the waterproof sleeve (17) is arranged between the fixing sleeve (16) and the waterproof sleeve (17) in a sealing mode, the fixing sleeve (16) is arranged between the waterproof sleeve (17) in a pressing contact mode, and the waterproof sleeve (17) is arranged with the mounting sleeve (15) in a threaded assembling mode.

6. The well-sealed mixed flow pump according to claim 5, wherein: the outside of waterproof cover (17) is wide in the round platform column structure of narrow down, the upper end outside of waterproof cover (17) is equipped with the gear, the gear passes through second motor (18) drive setting.

7. The well-sealed mixed flow pump according to claim 6, wherein: the waterproof shell (2) is provided with a control box (19), a singlechip is arranged in the control box (19), and the humidity sensor (11) is electrically connected with the second motor (18) through the singlechip.