CN219012984U

CN219012984U - Vertical multistage centrifugal pump goes out water seat

Info

Publication number: CN219012984U
Application number: CN202223484821.6U
Authority: CN
Inventors: 顾军
Original assignee: Shanghai Liansheng Pump Manufacturing Co ltd
Current assignee: Shanghai Liansheng Pump Manufacturing Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-12
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a water outlet seat of a vertical multistage centrifugal pump, which relates to the technical field of water outlet seats of centrifugal pumps and comprises a connecting frame, a motor, a rotating shaft, a pump body and an impeller, wherein one side of the connecting frame is connected with a matching seat connected with the pump body, a symmetrical water absorption ring is arranged in the matching seat, and the top of the matching seat is connected with a sealing cover in a sealing way. When the rotary type water pump is used, the action of the matching seat is utilized, so that when the rotary rotating shaft drives the impeller to rotate quickly, water mist can be generated in the pump body, the water mist can flow into the matching seat along gaps, the damage loss of the motor caused by direct flow to the inside of the motor is avoided, and the split type water absorption ring is arranged in the matching seat, so that most of the water mist flowing into the matching seat is absorbed, the inside of the matching seat is dried, the corrosion of the water mist on the internal parts of equipment is avoided, and the service life is prolonged.

Description

Vertical multistage centrifugal pump goes out water seat

Technical Field

The utility model relates to the technical field of water outlet seats of centrifugal pumps, in particular to a water outlet seat of a vertical multistage centrifugal pump.

Background

The water outlet seat in the water pump is a key part of the whole pump, and the structure of the water outlet seat directly influences the performance of the water pump and the installation portability; the water outlet seat of the existing water pump adopts an integrated structure of a bearing end cover and a centrifugal pump water outlet end cover, the sealing element is aged in the long-term working process of the water pump, water in the pump body leaks into the motor through the aged position of the sealing element, so that the motor is burnt out, a gap of 20-30mm is reserved between a mounting disc and the end face of the bearing motor in advance for lifting the end face of the mounting disc so as to avoid the problem, and in order to discharge leaked water, the motor is not filled with water, the water can be reserved to the ground through the mounting disc, if the impurity accumulation is high for a long time of irregular investigation, the motor can be covered on the motor, the short-term motor paint corrosion is realized, the long-term aluminum removal shell can also be corroded, the potential safety hazard is extremely high, and therefore, the water outlet seat for preventing seepage and motor water inlet and motor paint corrosion is needed.

The Chinese patent with the bulletin number of CN216111462U provides a water outlet seat of a vertical multistage centrifugal pump, which can timely separate water mist to avoid water accumulation by arranging a water blocking ring on the part of a rotating shaft, which is positioned in a water mist separation chamber, and after water is formed in the water mist separation chamber, the water mist can completely flow into a water tank, so that the water tank is clean and tidy;

through above-mentioned structure, when using, the effect that utilizes the water retaining ring for the water smoke hardly piles up, but the water retaining ring still can be corroded when long-term use, thereby makes equipment cure the root cause, still can appear the infiltration phenomenon, thereby exists high potential safety hazard.

Disclosure of Invention

Based on the above, the utility model aims to provide a water outlet seat of a vertical multistage centrifugal pump, which solves the technical problems that in the prior art, water mist is difficult to accumulate by utilizing the action of a water blocking ring, but the water blocking ring is still corroded and damaged when the water blocking ring is used for a long time, so that the equipment can treat symptoms without root cause, and the penetration phenomenon still occurs, so that the extremely high potential safety hazard exists.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vertical multistage centrifugal pump goes out water seat, includes link, motor, pivot, pump body and impeller, one side of link is connected with the cooperation seat of being connected with the pump body, and the inside of cooperation seat has placed symmetrical water absorption ring, the top sealing connection of cooperation seat has sealed lid, cooperate respectively between cooperation seat, sealed lid and the pivot and have first seal assembly and second seal assembly.

Through adopting above-mentioned technical scheme, utilize the effect of cooperation seat for when rotatory pivot drives impeller fast rotation, can produce water smoke in the pump body is inside, this water smoke can flow into inside the cooperation seat along the gap, avoid direct flow to the inside of motor, and cause the loss that the motor damaged, and be provided with the split type water absorption ring in the inside of cooperation seat, and then adsorb the water smoke majority that flows to the inside cooperation seat, so that in the inside drying of cooperation seat, thereby guaranteed that equipment internals avoid the erosion of water smoke, and then increase of service life.

The utility model is further arranged that the rotating shaft sequentially passes through the matching seat and the sealing cover to be connected with the impeller in the pump body.

By adopting the technical scheme, the integrity of the equipment is ensured, so that the follow-up work is facilitated.

The utility model is further arranged that a bearing is connected between the rotating shaft and the matching seat.

By adopting the technical scheme, the rotating shaft is more smooth when rotating.

The utility model further provides that the first sealing component comprises a sealing ring, the sealing ring is arranged between the sealing cover and the rotating shaft, and the second sealing component comprises a framework oil seal.

By adopting the technical scheme, the sealing of the equipment is convenient to ensure, so that the normal operation of the equipment is ensured.

The utility model is further arranged that one end of the pump body is communicated with a water inlet pipe, and the outer side of the pump body is communicated with a water outlet pipe.

By adopting the technical scheme, water can be conveniently guaranteed to enter and exit, so that the equipment can be conveniently used.

The utility model further provides that one end of the pump body, which is close to the water inlet pipe, is provided with a guide plate, and the guide plate is used for guiding water.

By adopting the technical scheme, when the water inlet pipe is guaranteed to enter water, the water can flow to the impeller better, and the water outlet can be guaranteed.

The utility model further provides that a plurality of groups of connecting holes are uniformly formed on the outer side of the connecting frame.

By adopting the technical scheme, the whole equipment is convenient to connect.

In summary, the utility model has the following advantages:

1. when the rotary type water pump is used, the action of the matching seat is utilized, so that when the rotary rotating shaft drives the impeller to rotate quickly, water mist can be generated in the pump body, the water mist can flow into the matching seat along gaps, the damage loss of the motor caused by direct flow into the motor is avoided, and the split type water absorption ring is arranged in the matching seat, so that most of the water mist flowing into the matching seat is absorbed, the inside of the matching seat is dried, the corrosion of the water mist on internal parts of equipment is avoided, and the service life is prolonged;

2. when the utility model is used, the sealing cover is connected with the matching seat through the detachable structure, so that the water absorbing ring in the matching seat can be replaced at regular intervals, the normal use of the water absorbing ring is ensured, and the working efficiency of the equipment is greatly improved.

Drawings

FIG. 1 is a schematic view of a cut-away structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is a schematic structural view of the present utility model.

In the figure: 1. a connecting frame; 2. a pump body; 3. a mating seat; 4. sealing cover; 5. a rotating shaft; 6. a motor; 7. a water inlet pipe; 8. a water outlet pipe; 9. an impeller; 10. a guide plate; 11. a water absorbing ring; 12. a bearing; 13. a framework oil seal; 14. and (3) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a vertical multistage centrifugal pump goes out water stand, as shown in fig. 1-3, including link 1, motor 6, pivot 5, pump body 2 and impeller 9, one side of link 1 is connected with the cooperation seat 3 of being connected with pump body 2, and the inside of cooperation seat 3 has been placed symmetrical water absorption ring 11, the top sealing connection of cooperation seat 3 has sealed lid 4, utilize the effect of cooperation seat 3, make when rotatory pivot 5 drives impeller 9 and rotate fast, can produce water smoke in the pump body inside, this water smoke can flow into inside cooperation seat 3 along the gap, avoid direct flow to motor 6's inside, and cause the loss of motor 6 damage, cooperation has first seal assembly and second seal assembly between cooperation seat 3, sealed lid 4 and the pivot 5 respectively, and then will flow to the inside majority of cooperation seat 3 adsorb, so that the inside dry of cooperation seat 3, thereby guarantee the inside parts of equipment avoid, and then increase of service life, the one end intercommunication of pump body 2 has inlet tube 7, the outside of 2 has the water smoke of assurance, the outside of the pump body 8, the business turn over equipment of being convenient for is accomplished.

Referring to fig. 1 and 2, the rotating shaft 5 sequentially passes through the matching seat 3, the sealing cover 4 and the impeller 9 in the pump body 2 to be connected with each other, so as to ensure the integrity of the equipment, thereby facilitating the subsequent work.

Referring to fig. 2, a bearing 12 is connected between the rotating shaft 5 and the mating seat 3, so as to facilitate the rotation of the rotating shaft 5.

Referring to fig. 2, the first sealing assembly includes a sealing ring 14, the sealing ring 14 is disposed between the sealing cover 4 and the rotating shaft 5, and the second sealing assembly includes a skeleton oil seal 13, so as to ensure sealing of the device, so as to ensure normal operation of the device.

Referring to fig. 1, a guide plate 10 is disposed at one end of the pump body 2 near the water inlet pipe 7, and the guide plate 10 is used for guiding water, so as to ensure that water flows to the impeller 9 better when the water inlet pipe 7 is used for water inlet, and ensure water outlet.

Referring to fig. 3, a plurality of groups of connection holes are uniformly formed on the outer side of the connection frame 1, so that the whole connection of the equipment is facilitated.

The working principle of the utility model is as follows: during installation, the split type water absorbing ring 11 is sequentially placed in the matching seat 3, and the sealing cover 4 is connected with the matching seat 3 through a detachable structure, so that the water absorbing ring 11 in the matching seat 3 is conveniently replaced at regular intervals, normal use of the water absorbing ring is ensured, the working efficiency of equipment is greatly improved, particularly, the sealing cover 4 is replaced, sealed and fixed under the action of bolts and connecting threaded holes, and then the equipment is installed and positioned at a proper position through the action of the connecting frame 1;

when using, utilize motor 6, pivot 5, impeller 9 and pump body 2, inlet tube 7 and outlet pipe 8's effect, when accomplishing the use of whole centrifugal pump, and when the in-process of using, high-speed rotatory pivot 5 drives impeller 9 and rotate fast, can produce water smoke in the pump body inside, this water smoke can flow into inside cooperation seat 3 along the gap, avoid direct flow to motor 6's inside, and cause the loss of motor 6 damage, and be provided with split type water absorption ring 11 in cooperation seat 3's inside, and then adsorb the water smoke that flows to cooperation seat 3 inside is mostly, so that at the inside drying of cooperation seat 3, thereby guaranteed that equipment internals avoid the erosion of water smoke, and then increase of service life.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a vertical multistage centrifugal pump goes out water seat, includes link (1), motor (6), pivot (5), pump body (2) and impeller (9), its characterized in that: one side of link (1) is connected with cooperation seat (3) of being connected with pump body (2), and the inside of cooperation seat (3) has placed symmetrical ring (11) that absorbs water, the top sealing connection of cooperation seat (3) has sealed lid (4), cooperate respectively between cooperation seat (3), sealed lid (4) and pivot (5) and have first seal assembly and second seal assembly.

2. The water outlet seat of a vertical multistage centrifugal pump according to claim 1, wherein: the rotating shaft (5) sequentially penetrates through the matching seat (3), the sealing cover (4) and the impeller (9) in the pump body (2) to be connected with each other.

3. The water outlet seat of a vertical multistage centrifugal pump according to claim 1, wherein: a bearing (12) is connected between the rotating shaft (5) and the matching seat (3).

4. The water outlet seat of a vertical multistage centrifugal pump according to claim 1, wherein: the first sealing assembly comprises a sealing ring (14), the sealing ring (14) is arranged between the sealing cover (4) and the rotating shaft (5), and the second sealing assembly comprises a framework oil seal (13).

5. The water outlet seat of a vertical multistage centrifugal pump according to claim 1, wherein: one end of the pump body (2) is communicated with a water inlet pipe (7), and the outer side of the pump body (2) is communicated with a water outlet pipe (8).

6. The water outlet seat of the vertical multistage centrifugal pump according to claim 5, wherein: one end of the pump body (2) close to the water inlet pipe (7) is provided with a guide plate (10), and the guide plate (10) is used for guiding water.

7. The water outlet seat of a vertical multistage centrifugal pump according to claim 1, wherein: and a plurality of groups of connecting holes are uniformly formed in the outer side of the connecting frame (1).