CN210218139U

CN210218139U - High-sealing-performance gas-liquid separation multistage self-priming centrifugal pump

Info

Publication number: CN210218139U
Application number: CN201920789830.5U
Authority: CN
Inventors: Yifei Wang; 王一飞; Yiduo Wang; 王一多
Original assignee: Yiwu City No2 Petrochemical Pump Factory
Current assignee: Yiwu City No2 Petrochemical Pump Factory
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-31
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a high leakproofness gas-liquid separation multistage self-priming centrifugal pump, the on-line screen storage device comprises a base, the motor is installed respectively at both ends about the base and from inhaling the room, the left end of motor and the right-hand member interconnect from inhaling the room, the sealed cowling is installed to the motor and the junction from inhaling the room, from inhaling the left end of room by lower supreme ring flange one, ring flange two and the third flange of installing in proper order, the seal groove has been seted up to the inside of ring flange one, from inhaling the right-hand member of room and being fixed with from lower supreme ring flange four and the fifth flange of installing in proper order, the mounting groove has been seted up to ring flange two, ring flange three, ring flange four and the inside of fifth flange, the internally mounted of mounting groove has sealing washer one, ring flange three and five through connecting. This high leakproofness gas-liquid separation multistage is from inhaling centrifugal pump has improved the gas-liquid separation multistage is from inhaling centrifugal pump's leakproofness, and then has improved the multistage work efficiency and the practicality from inhaling centrifugal pump of gas-liquid separation.

Description

High-sealing-performance gas-liquid separation multistage self-priming centrifugal pump

Technical Field

The utility model relates to a from inhaling centrifugal pump technical field specifically is a high leakproofness gas-liquid separation multistage is from inhaling centrifugal pump.

Background

With the continuous development of science and technology, the modernization degree of the water pump is also continuously improved, and a plurality of manual management operations are reduced. A self-priming centrifugal pump is a common type of water pump, and is composed of an impeller, a pump body, a pump shaft and other main parts, wherein the pump body delivers water by the action of centrifugal force.

However, the sealing performance of the joint between the flange and the rotating shaft of the motor of the conventional multistage self-priming centrifugal pump for gas-liquid separation is also poor, so that the working efficiency of the multistage self-priming centrifugal pump for gas-liquid separation is greatly reduced, and the practicability of the multistage self-priming centrifugal pump for gas-liquid separation is also reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness gas-liquid separation is multistage from inhaling centrifugal pump to the ring flange department that proposes current gas-liquid separation is multistage from inhaling centrifugal pump butt joint among the above-mentioned background art is also very poor with the leakproofness of motor shaft junction, leads to the multistage work efficiency of inhaling centrifugal pump from of gas-liquid separation to descend greatly, has also reduced the gas-liquid separation multistage problem from inhaling centrifugal pump practicality simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high leakproofness gas-liquid separation multistage self-priming centrifugal pump, includes the base, the motor is installed respectively at both ends about the base and is from inhaling the room, the left end of motor and the right-hand member interconnect from inhaling the room, sealed cowling is installed to the motor and the junction from inhaling the room, the left end from inhaling the room is by lower supreme ring flange one, ring flange two and ring flange three of installing in proper order, the seal groove has been seted up to the inside of ring flange one, the right-hand member from inhaling the room is fixed with and installs ring flange four and ring flange five by lower supreme in proper order, the mounting groove has been seted up to ring flange two, ring flange three, ring flange four and ring flange five inside, the internally mounted of mounting groove has sealing washer one, ring flange three and ring flange five are through connecting.

Preferably, the sealing boot includes the cover body one, the guide way has been seted up at the upper and lower both ends of the cover body one, the internally mounted of guide way has the guide block, the right-hand member fixedly connected with cover body two of guide block, cover body one and cover body two are locked each other through the locking bolt of four symmetries, two draw-in grooves have been seted up to the inside of the cover body one and cover body two, the inside movable mounting of draw-in groove has sealing washer two, and the outside and the inboard of sealing washer two paste with the pivot surface of the inboard of draw-in groove and motor respectively.

Preferably, two sealing rings I are arranged between the second flange plate and the third flange plate, between the fourth flange plate and the fifth flange plate, the diameter of the outer side sealing ring I is larger than that of the inner side sealing ring I, and the outer sides of the two sealing rings I are attached to the mounting groove.

Preferably, the second flange plate and the third flange plate, and the fourth flange plate and the fifth flange plate are detachably connected through eight symmetrical positioning bolts respectively.

Preferably, the mounting groove is of a step-type design, and the mounting groove is matched with a clamping block on the flange plate in butt joint with the flange plate.

Preferably, twice of the depth of the mounting groove is smaller than the thickness of the first sealing ring, and the first sealing ring is made of soft rubber.

Compared with the prior art, the beneficial effects of the utility model are that: the high-sealing gas-liquid separation multistage self-priming centrifugal pump is characterized in that a stepped sealing groove is arranged in a flange plate I, the clamping blocks on the flange plate which is butted with the flange plate I are clamped with each other, so that the sealing performance of the flange plate I butt joint pair is greatly improved, meanwhile, two sealing rings I between the second flange plate and the third flange plate and between the fourth flange plate and the fifth flange plate, the sealing performance of the second flange plate and the third flange plate, the fourth flange plate and the fifth flange plate can be improved while the positioning bolts are stably installed, the two cover bodies of the sealing cover are mutually connected in a butt joint mode, so that the cover bodies are convenient to install, meanwhile, the sealing ring II in the cover bodies improves the sealing property of the connection part of the motor, meanwhile, the normal work of the motor is not influenced, the design of the whole gas-liquid separation multistage self-priming centrifugal pump improves the sealing performance of the gas-liquid separation multistage self-priming centrifugal pump, and further the working efficiency and the practicability of the gas-liquid separation multistage self-priming centrifugal pump are greatly improved.

Drawings

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

FIG. 2 is a schematic view of the distribution structure of the mounting groove of the present invention;

FIG. 3 is a schematic view of the overall structure of the sealing cover of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the sealing cover of the present invention.

In the figure: 1. a base; 2. a motor; 3. a self-suction chamber; 4. a sealing cover; 5. a first flange plate; 6. a sealing groove; 7. a second flange plate; 8. a third flange plate; 9. a flange plate IV; 10. a fifth flange plate; 11. mounting grooves; 12. a first sealing ring; 13. a connecting pipe; 41. a first cover body; 42. a guide groove; 43. a guide block; 44. a second cover body; 45. locking the bolt; 46. a card slot; 47. and a second sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment in the utility model, all other embodiments that ordinary technical staff in this field obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.

Referring to fig. 1-4, the present invention provides a technical solution: a high-sealing gas-liquid separation multistage self-priming centrifugal pump comprises a base 1, wherein a motor 2 and a self-priming chamber 3 are respectively installed at the left end and the right end of the base 1, the left end of the motor 2 is connected with the right end of the self-priming chamber 3, a sealing cover 4 is installed at the joint of the motor 2 and the self-priming chamber 3, a first flange 5, a second flange 7 and a third flange 8 are sequentially installed at the left end of the self-priming chamber 3 from bottom to top, a sealing groove 6 is formed in the first flange 5, a fourth flange 9 and a fifth flange 10 are sequentially installed at the right end of the self-priming chamber 3 from bottom to top, installation grooves 11 are formed in the second flange 7, the third flange 8, the fourth flange 9 and the fifth flange 10, a first sealing ring 12 is installed in each installation groove 11, and the third flange 8 and the fifth flange;

further, the sealing cover 4 comprises a first cover body 41, guide grooves 42 are formed in the upper end and the lower end of the first cover body 41, guide blocks 43 are installed inside the guide grooves 42, a second cover body 44 is fixedly connected to the right end of the guide blocks 43, the first cover body 41 and the second cover body 44 are locked with each other through four symmetrical locking bolts 45, two clamping grooves 46 are formed in the first cover body 41 and the second cover body 44, a second sealing ring 47 is movably installed inside the clamping grooves 46, and the outer side and the inner side of the second sealing ring 47 are respectively attached to the inner side of the clamping groove 46 and the surface of a rotating shaft of the motor 2, so that the sealing performance of the joint of the motor 2 is ensured, and;

furthermore, two first sealing rings 12 are arranged between the second flange 7 and the third flange 8, and between the fourth flange 9 and the fifth flange 10, the diameter of the first outer sealing ring 12 is larger than that of the first inner sealing ring 12, and the outer sides of the two first sealing rings 12 are attached to the mounting groove 11, so that the sealing performance of the joint of the second flange 7 and the third flange 8, and the joint of the fourth flange 9 and the fifth flange 10 are ensured;

furthermore, the second flange 7 and the third flange 8, and the fourth flange 9 and the fifth flange 10 are detachably connected through eight symmetrical positioning bolts respectively, so that the first sealing ring 12 is pressed tightly, and the sealing of the connecting part is further enhanced;

furthermore, the mounting groove 11 is designed in a stepped manner, and the mounting groove 11 is matched with a clamping block on the flange plate butted with the flange plate I5, so that the sealing performance of the butted part of the flange plate I5 is ensured;

furthermore, the two times of the depth of the mounting groove 11 are smaller than the thickness of the first sealing ring 12, and the first sealing ring 12 is made of soft rubber, so that the phenomenon of air leakage at the joint of the second flange 7 and the third flange 8, and the fourth flange 9 and the fifth flange 10 due to the fact that the first sealing ring 12 is too small is prevented.

The working principle is as follows: firstly, a second sealing ring 47 is arranged inside a clamping groove 46, a first cover body 41 is attached to a motor 2 in a rotating way, a guide block 43 is pushed into a guide groove 42, the first cover body 41 and the second cover body 44 are fixed with each other through a locking bolt 45, the first cover body 41, the second cover body 44 and the left end of a self-suction chamber 3 are locked with each other through another locking bolt 45, two sealing rings 12 with different sizes are respectively and correspondingly arranged in mounting grooves 11 on a second flange 7 and a fourth flange 9, a third flange 8 and a fifth flange 10 are pressed tightly, finally the second flange 7, the third flange 8, the fourth flange 9 and the fifth flange 10 are respectively locked with positioning bolts, then clamping blocks on an external flange and a sealing groove 6 on the first flange 5 are correspondingly arranged, the first flange 5 and an external flange are mutually mounted with the positioning bolts, and the first sealing ring 12 and the second sealing ring 47 seal each joint, the sealing performance of the whole gas-liquid separation multistage self-priming centrifugal pump is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high leakproofness gas-liquid separation multistage is from inhaling centrifugal pump, includes base (1), its characterized in that: the left end and the right end of the base (1) are respectively provided with a motor (2) and a self-suction chamber (3), the left end of the motor (2) is connected with the right end of the self-suction chamber (3), a sealing cover (4) is arranged at the joint of the motor (2) and the self-suction chamber (3), the left end of the self-suction chamber (3) is sequentially provided with a flange plate I (5), a flange plate II (7) and a flange plate III (8) from bottom to top, a sealing groove (6) is formed in the flange plate I (5), a flange plate IV (9) and a flange plate V (10) are sequentially arranged at the right end of the self-suction chamber (3) from bottom to top, mounting grooves (11) are formed in the second flange plate (7), the third flange plate (8), the fourth flange plate (9) and the fifth flange plate (10), the inside mounting of mounting groove (11) has sealing washer one (12), ring flange three (8) and ring flange five (10) are through connecting pipe (13) interconnect.

2. The multistage self-priming centrifugal pump with high sealing performance for gas-liquid separation of claim 1, wherein: sealing boot (4) are including the cover body one (41), guide way (42) have been seted up at the upper and lower both ends of the cover body one (41), the internally mounted of guide way (42) has guide block (43), the right-hand member fixedly connected with cover body two (44) of guide block (43), the cover body one (41) and the cover body two (44) lock each other through locking bolt (45) of four symmetries, two draw-in grooves (46) have been seted up to the inside of the cover body one (41) and the cover body two (44), the inside movable mounting of draw-in groove (46) has sealing washer two (47), and the outside and the inboard of sealing washer two (47) paste with the pivot surface of the inboard of draw-in groove (46) and motor (2) respectively.

3. The multistage self-priming centrifugal pump with high sealing performance for gas-liquid separation of claim 1, wherein: two sealing rings I (12) are arranged between the second flange plate (7) and the third flange plate (8), between the fourth flange plate (9) and the fifth flange plate (10), and the outer sealing ring I (12) is larger than the diameter of the inner sealing ring I (12), and the outer sides of the two sealing rings I (12) are attached to the mounting groove (11).

4. The multistage self-priming centrifugal pump with high sealing performance for gas-liquid separation of claim 1, wherein: the flange plate II (7) and the flange plate III (8), and the flange plate IV (9) and the flange plate V (10) are detachably connected through eight symmetrical positioning bolts respectively.

5. The multistage self-priming centrifugal pump with high sealing performance for gas-liquid separation of claim 1, wherein: mounting groove (11) are the notch cuttype design, and mounting groove (11) and the mutual adaptation of fixture block on the ring flange of ring flange one (5) butt joint.

6. The multistage self-priming centrifugal pump with high sealing performance for gas-liquid separation of claim 1, wherein: the two times of the depth of the mounting groove (11) is smaller than the thickness of the first sealing ring (12), and the first sealing ring (12) is made of soft rubber.