CN212867945U

CN212867945U - Sealing device of centrifugal pump

Info

Publication number: CN212867945U
Application number: CN202021342173.9U
Authority: CN
Inventors: 李佩
Original assignee: Shanghai Langpei Electromechanical Technology Co ltd
Current assignee: Shanghai Ruibang Pump Manufacturing Co.,Ltd.
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-02
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a centrifugal pump sealing device, including motor mechanism, motor mechanism output fixedly connected with business turn over water mechanism, business turn over water mechanism both ends swing joint has sealing mechanism, the utility model discloses the beneficial effect who reaches is: through inserting the sealed tube in the sealing mechanism respectively in inlet opening and the outlet port in the mechanism of business turn over, and drive the sealing washer and paste tight water inlet and delivery port, it is fixed with water inlet and delivery port through passing fixed orifices and connecting hole with the bolt again, make the sealed tube seal inlet opening and apopore inside, the sealing washer is sealed to water inlet and delivery port outside simultaneously, the motor in the rethread starting motor mechanism, the motor rotates and drives turbine group and carry out work and take out water to the delivery port from the water inlet and carry, effectual current centrifugal pump sealing device of having realized, it is sealed effectual, double sealing, can all seal the inside and outside of the department of business turn over water, make the water yield bigger, work is more stable.

Description

Sealing device of centrifugal pump

Technical Field

The utility model relates to a sealing device, in particular to centrifugal pump sealing device belongs to centrifugal pump technical field.

Background

The centrifugal pump is a pump for conveying liquid by centrifugal force generated when an impeller rotates, and has various forms such as vertical type, horizontal type, single stage, multistage type, single suction type, double suction type, self suction type and the like.

The water outlet quantity can be reached only by good sealing performance when the existing centrifugal pump works, the better the sealing is, the better the water outlet quantity is, most of centrifugal pumps are only sealed by sealing rings, the sealing effect is poor, and a centrifugal pump sealing device is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a centrifugal pump sealing device to the centrifugal pump during operation that mentions in solving above-mentioned background art needs fine leakproofness just can reach the water yield height, and sealed the better water yield better, most centrifugal pumps only seal through the sealing washer, the relatively poor problem of sealed effect.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a centrifugal pump sealing device, includes motor mechanism, motor mechanism output fixedly connected with business turn over water mechanism, business turn over water mechanism both ends swing joint has sealing mechanism.

As a preferred technical scheme of the utility model, motor mechanism includes the base, base upper end fixedly connected with motor, motor output end fixedly connected with connecting piece, connecting piece one side and business turn over water mechanism fixed connection.

As a preferred technical scheme of the utility model, business turn over water mechanism includes the connecting block, the connecting block is located motor mechanism one side, connecting block one side fixedly connected with turbine group, turbine group upper end fixedly connected with delivery port, be equipped with the apopore in the delivery port, turbine group one side fixedly connected with water inlet, be equipped with the inlet opening in the water inlet, turbine group lower extreme fixedly connected with support.

As a preferred technical scheme of the utility model, sealing mechanism includes the sealed tube, the sealed tube is located business turn over water mechanism inboard, the sealed tube inboard is equipped with logical groove, be equipped with the flange in the middle of the sealed tube, the flange inboard is equipped with the fixed orifices, flange one side fixedly connected with sealing washer, the sealing washer inboard is equipped with the trepanning, the sealing washer is equipped with the connecting hole all around, sealing mechanism has two.

As a preferred technical scheme of the utility model, connecting piece and connecting block fixed connection, base and support fixed connection.

As an optimal technical scheme of the utility model, sealed tube and apopore and inlet opening swing joint.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a centrifugal pump sealing device, have the characteristics that sealing performance is good, in concrete use, through insert inlet opening and the delivery port in the business turn over water mechanism respectively with the sealed tube in the sealing mechanism, and it pastes tight water inlet and delivery port to drive the sealing washer, it is fixed with the delivery port with the water inlet to pass fixed orifices and connecting hole with the bolt again, make the sealed tube seal inlet opening and apopore inside, the sealing washer is sealed outside water inlet and delivery port simultaneously, the motor in the rethread starter motor mechanism, the motor rotates and drives turbine group and carry out work and take out water from the water inlet to the delivery port and carry, effectual current centrifugal pump sealing device of having realized, it is sealed effectual to seal, double seal, can all seal in and outside the department of intaking out water, make the water yield bigger, work is more stable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of the sealing tube of the present invention;

fig. 3 is a schematic structural diagram of the sealing ring of the present invention;

FIG. 4 is a schematic view of the water inlet structure of the present invention;

fig. 5 is a schematic view of the structure of the water outlet of the present invention.

In the figure:

1. a motor mechanism; 11. a base; 12. a motor; 13. a connecting member;

2. a water inlet and outlet mechanism; 21. connecting blocks; 22. a turbine group; 23. a water outlet; 24. a water outlet hole; 25. a water inlet; 26. a water inlet hole; 27. a support;

3. a sealing mechanism; 31. a sealing tube; 32. a through groove; 33. a flange; 34. a fixing hole; 35. a seal ring; 36. trepanning; 37. and connecting the holes.

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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in figures 1-5, the utility model relates to a centrifugal pump sealing device, including motor mechanism 1, motor mechanism 1 output end fixedly connected with business turn over water mechanism 2, business turn over water mechanism 2 both ends swing joint has sealing mechanism 3, has played sealed effectual, and double seal can all seal up the department of intaking out of water, makes the water yield bigger, and work is more stable.

Wherein, motor mechanism 1 includes

base

11, 11 upper ends fixedly connected with motors 12 of base, and motor 12 output end fixedly connected with connecting piece 13, connecting piece 13 one side and business turn over water mechanism 2 fixed connection have played and have driven the turbine group and rotate, make that can succeed take water out, make the efficiency of drawing water better simultaneously.

Wherein, business turn over water mechanism 2 includes connecting block 21, connecting block 21 is located 1 one side of motor mechanism, connecting block 21 one side fixedly connected with turbine group 22, turbine group 22 upper end fixedly connected with delivery port 23, be equipped with apopore 24 in the

delivery port

23, 22 one side fixedly connected with water inlet 25 of turbine group, be equipped with inlet opening 26 in the

water inlet

25, 22 lower extreme fixedly connected with supports 27 of turbine group have played and have carried water, connect sealing mechanism and make sealing mechanism connect more firmly.

Wherein, sealing mechanism 3 includes sealed tube 31, and sealed tube 31 is located business turn over water mechanism 2 inboardly, and sealed tube 31 inboard is equipped with logical groove 32, is equipped with flange 33 in the middle of the sealed tube 31, and flange 33 inboard is equipped with fixed orifices 34, flange 33 one side fixedly connected with sealing washer 35, and sealing washer 35 inboard is equipped with trepanning 36, and sealing washer 35 is equipped with connecting hole 37 all around, and sealing mechanism 3 has two, has played double seal and has made sealed efficiency better, makes the water yield bigger.

Wherein, connecting piece 13 and connecting block 21 fixed connection, base 11 and support 27 fixed connection have played to make business turn over water mechanism and motor mechanism be connected better firm.

Wherein, the sealing pipe 31 is movably connected with the water outlet hole 24 and the water inlet hole 26, and plays a role in sealing the water inlet and outlet positions.

Concretely, through inserting inlet opening 26 and apopore 24 in business turn over water mechanism 2 respectively with sealed tube 31 in sealing mechanism 3, and drive sealing washer 35 and paste tight water inlet 25 and delivery port 23, the rethread is inserted the bolt from flange 33 fixed orifices 34 and is passed connecting hole 37 branch and is fixed with water inlet 25 and delivery port 23, simultaneously seal inlet opening 26 and apopore 24 and water inlet 25 and delivery port 23, restart motor 12 in motor mechanism 1, motor 12 rotates and drives turbine group 22 and rotate and take out water from inlet opening 26 to apopore 24 and carry, the effectual current centrifugal pump sealing device that has realized, double seal, it is sealed effectual, can all seal the inside and outside of the water inlet and outlet department, make the water yield bigger, work is more stable.

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 sealing device of the centrifugal pump is characterized by comprising a motor mechanism (1), wherein the output end of the motor mechanism (1) is fixedly connected with a water inlet and outlet mechanism (2), and two ends of the water inlet and outlet mechanism (2) are movably connected with sealing mechanisms (3).

2. The sealing device of the centrifugal pump according to claim 1, wherein the motor mechanism (1) comprises a base (11), a motor (12) is fixedly connected to the upper end of the base (11), a connecting piece (13) is fixedly connected to the output end of the motor (12), and one side of the connecting piece (13) is fixedly connected with the water inlet and outlet mechanism (2).

3. The sealing device of the centrifugal pump according to claim 1, wherein the water inlet and outlet mechanism (2) comprises a connecting block (21), the connecting block (21) is located on one side of the motor mechanism (1), a turbine group (22) is fixedly connected to one side of the connecting block (21), a water outlet (23) is fixedly connected to the upper end of the turbine group (22), a water outlet (24) is arranged in the water outlet (23), a water inlet (25) is fixedly connected to one side of the turbine group (22), a water inlet hole (26) is arranged in the water inlet (25), and a support (27) is fixedly connected to the lower end of the turbine group (22).

4. A centrifugal pump sealing device according to claim 1, wherein the sealing mechanism (3) comprises two sealing pipes (31), the sealing pipes (31) are located inside the water inlet and outlet mechanism (2), a through groove (32) is formed inside the sealing pipes (31), a flange (33) is arranged in the middle of the sealing pipes (31), a fixing hole (34) is formed inside the flange (33), a sealing ring (35) is fixedly connected to one side of the flange (33), a sleeve hole (36) is formed inside the sealing ring (35), connecting holes (37) are formed around the sealing ring (35), and the number of the sealing mechanisms (3) is two.

5. A centrifugal pump seal arrangement according to claim 2, characterized in that the attachment member (13) is fixedly connected to the attachment block (21) and the base (11) is fixedly connected to the abutment (27).

6. A centrifugal pump seal arrangement according to claim 4, characterized in that the seal tube (31) is in movable connection with the outlet opening (24) and the inlet opening (26).