CN219299640U

CN219299640U - Mechanical seal flushing device

Info

Publication number: CN219299640U
Application number: CN202223407968.5U
Authority: CN
Inventors: 陈一军
Original assignee: Jiangsu Xinfeng Fluid Machinery Technology Co ltd
Current assignee: Jiangsu Xinfeng Fluid Machinery Technology Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-07-04
Anticipated expiration: 2032-12-17

Abstract

The utility model discloses a mechanical seal flushing device which comprises a first end cover, a second end cover, a first cylinder body and a second cylinder body, wherein base plates are arranged at the two ends of the inner sides of the first end cover and the second end cover, the first end cover and the second end cover are fixedly connected with the base plates, clamping grooves are arranged on the base plates, the base plates are fixedly connected with the clamping grooves, filter screens are arranged on the clamping grooves, the clamping grooves are movably connected with the filter screens, the filter screens are positioned in the second cylinder body, and the filter screens can filter large particle stains and buffer impact water through the filter screens, so that mechanical seal devices are prevented from being worn and damaged, and meanwhile, the filter screens are convenient to detach and replace.

Description

Mechanical seal flushing device

Technical Field

The utility model relates to the technical field of mechanical sealing, in particular to a mechanical sealing flushing device.

Background

The mechanical seal is a shaft seal device of a rotary machine. Devices such as centrifugal pumps, centrifuges, kettles and compressors, etc., have a circumferential gap between the shaft and the device, since the shaft extends through the device, through which gap the medium in the device leaks outwards, and if the pressure in the device is below atmospheric pressure, air leaks into the device, so that a shaft seal means for preventing leakage is necessary.

In the prior art, a through hole is formed in the outer wall of the mechanical sealing device by the conventional mechanical sealing cleaning device, impact water is injected through the through hole for cleaning, the impact force of the impact water is large, mechanical sealing devices are easy to damage in the flushing process, and meanwhile, large-particle stains falling in the flushing process are not cleaned timely and are easy to abrade.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a mechanical seal flushing device which comprises a first end cover, a second end cover, a first cylinder body and a second cylinder body, wherein base plates are arranged at two ends of the inner sides of the first end cover and the second end cover, the first end cover and the second end cover are fixedly connected with the base plates, clamping grooves are arranged on the base plates, the base plates are fixedly connected with clamping grooves, a filter screen is arranged on the clamping grooves, the clamping grooves are movably connected with the filter screen, and the filter screen is positioned in the second cylinder body.

Preferably: the novel water inlet pipe is characterized in that a plurality of through holes are formed in the upper end of the first barrel, a first sealing plug is arranged at the through hole of the first barrel, a water inlet pipe is arranged on the inner side of the through hole of the first barrel, the through hole of the first barrel is fixedly connected with the water inlet pipe, a second barrel is arranged at the lower end of the water inlet pipe, and a water inlet matched with the water inlet pipe is formed in the second barrel.

Preferably: the lower end of the first cylinder body is provided with a plurality of through holes, a second sealing block is arranged at the through hole of the first cylinder body, a water outlet pipe is arranged at the inner side of the through hole of the first cylinder body, the first cylinder through hole is fixedly connected with the water outlet pipe, the second cylinder is arranged at the upper end of the water outlet pipe, and a water outlet matched with the water outlet pipe is arranged on the second cylinder.

Preferably: the second end cover is arranged on one side of the first barrel, the first end cover is arranged on the other side of the first barrel, and the first barrel is movably connected with the first end cover and the second end cover.

Preferably: the first end cover and the second end cover are provided with fourth through holes on two sides, bolts are installed at two ends of the first end cover and the second end cover through the fourth through holes, and the first end cover is in threaded connection with the second end cover.

Preferably: the middle part of the second cylinder body is provided with a third through hole, the second cylinder body is provided with a shaft through the third through hole, the second cylinder body is movably connected with the shaft, a fixed ring is arranged on the shaft, and the shaft is fixedly connected with the fixed ring.

Preferably: the spring is installed to solid fixed ring one side, gu fixed ring fixed connection the spring, the moving ring is installed to spring one side, spring swing joint the moving ring, be equipped with on the moving ring with the hole of axle looks adaptation, the moving ring passes through hole fixed connection the axle.

Preferably: the second cylinder is internally provided with a stationary ring, the second cylinder is fixedly connected with the stationary ring, the stationary ring is provided with a hole matched with the shaft, and the stationary ring is fixedly connected with the shaft through the hole.

Preferably: the static ring one end is equipped with the second through-hole, second barrel one end is equipped with first through-hole, first end cover one end install with first through-hole looks adaptation's support column.

Preferably: the support column runs through first through-hole with the second through-hole, the support column runs through quiet ring, the moving ring is located quiet ring is kept away from the one end of first end cover, moving ring one end with support column one end laminating mutually, the moving ring with there is the clearance between the quiet ring.

The utility model has the technical effects and advantages that:

through being equipped with the filter screen inside the second barrel, the filter screen not only can filter large granule spot but also can cushion the impact water, prevents mechanical seal device wearing and tearing and damage, the use of draw-in groove simultaneously, convenient to detach changes the filter screen.

Drawings

Fig. 1 is a cross-sectional view of a mechanical seal flushing device provided in an embodiment of the present application.

In the figure: 1. a first cylinder; 3. a first end cap; 4. a stationary ring; 5. a moving ring; 6. a spring; 7. a fixing ring; 8. a shaft; 10. a bolt; 11. a first sealing plug; 12. a first through hole; 13. a third through hole; 14. a water inlet pipe; 15. a second cylinder; 16. a second sealing plug; 17. a water outlet pipe; 18. a water outlet; 19. a filter screen; 20. a backing plate; 21. a clamping groove; 22. a second end cap; 23. a water inlet; 31. a support column; 33. a fourth through hole; 41. and a second through hole.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1, in this embodiment, a mechanical seal flushing device is provided, which includes a first cylinder 1, a plurality of through holes are provided at the upper end of the first cylinder 1, a first seal plug 11 is installed at the through hole of the first cylinder 1, a water inlet pipe 14 is installed at the inner side of the through hole of the first cylinder 1, the through hole of the first cylinder 1 is fixedly connected with the water inlet pipe 14, a second cylinder 15 is provided at the lower end of the water inlet pipe 14, a water inlet 23 matched with the water inlet pipe 14 is provided on the second cylinder 15, a plurality of through holes are provided at the lower end of the first cylinder 1, a second seal plug 16 is installed at the through hole of the first cylinder 1, a water outlet pipe 17 is installed at the inner side of the through hole of the first cylinder 1, a water outlet pipe 17 is fixedly connected with the through hole of the first cylinder 1, a second cylinder 15 is provided at the upper end of the water outlet pipe 17, a water outlet 18 matched with the water outlet pipe 17 is provided on the second cylinder 15, a second end cover 22 is installed at one side of the first cylinder 1, the other side of the first cylinder body 1 is provided with a first end cover 3, the first cylinder body 1 is movably connected with the first end cover 3 and a second end cover 22, both sides of the first end cover 3 and the second end cover 22 are provided with a fourth through hole 33, both ends of the first end cover 3 and the second end cover 22 are provided with bolts 10 through the fourth through hole 33, the first end cover 3 and the second end cover 22 are connected with the bolts 10 through threads, both ends of the inner sides of the first end cover 3 and the second end cover 22 are provided with a base plate 20, the second end cover 22 is fixedly connected with the base plate 20, the base plate 20 is provided with a clamping groove 21, the base plate 20 is fixedly connected with the clamping groove 21, a filter screen 19 is arranged on the clamping groove 21, the clamping groove 21 is movably connected with the filter screen 19, the filter screen 19 is positioned in the second cylinder body 15, the middle part of the second cylinder body 15 is provided with a third through hole 13, the second cylinder body 15 is provided with a shaft 8 through the third through hole 13, the shaft 8 is movably connected with a fixed ring 7, the shaft 8 is fixedly connected with the fixed ring 7, the spring 6 is installed to solid fixed ring 7 one side, gu fixed ring 7 fixed connection spring 6, gu movable ring 5 is installed to spring 6 one side, spring 6 swing joint movable ring 5, be equipped with the hole with 8 looks adaptation of axle 5 on the movable ring 5, movable ring 5 passes through hole fixed connection axle 8, second barrel 15 internally mounted has quiet ring 4, second barrel 15 fixed connection quiet ring 4, be equipped with the hole with 8 looks adaptation of axle on the quiet ring 4, quiet ring 4 passes through hole fixed connection axle 8, quiet ring 4 one end is equipped with second through-hole 41, second barrel 15 one end is equipped with first through-hole 12, support column 31 with first through-hole 12 is installed to first end cover 3 one end, support column 31 runs through first through-hole 12 and second through-hole 41, support column 31 runs through quiet ring 4, movable ring 5 is located the one end of quiet ring 4 and keeps away from first end cover 3, movable ring 5 one end is laminated with support column 31 one end mutually, there is the clearance between movable ring 5 and the quiet ring 4, first close block 11 and second close block 16 are used for airtight inlet tube 14 and outlet tube 17, inlet tube 14 are used for getting into, outlet tube 17 are used for discharging, twist 10, it is convenient for removing to dismantle the filter screen 19 and sealing device 19 to seal ring 19, the filter screen 1 is convenient for the filter screen is removed to change the big end cover 19, the filter screen device is sealed to the filter screen is sealed to the end cover 19, the device is broken to the filter screen is sealed to the device is washed to the machinery, the device is broken to the device is sealed to the filter 19 to the device is convenient to be broken to the device to be broken to the filter screen 19 to the device is broken.

The working principle of the utility model is as follows: the first sealing block 11 is opened, flushing water enters the second cylinder 15 from the water inlet pipe 14, the first end cover 3, the static ring 4, the movable ring 5 and the spring 6 are matched to play a mechanical sealing role on the whole device, the flushing water washes the first end cover 3, the static ring 4, the movable ring 5 and the spring 6, the filter screen 19 buffers the flushing water just entering, meanwhile, larger stains in the cleaning process are filtered, the mechanical sealing devices are prevented from being damaged by abrasion, the second sealing block 16 is opened, materials are discharged from the water outlet pipe 17 out of the first cylinder 1, the cleaning of the mechanical sealing device is completed, the bolt 10 is screwed, the first end cover 3 and the second end cover 22 can be detached, and the mechanical device components and the filter screen 19 are convenient to replace and maintain.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides a mechanical seal washing unit, includes first end cover (3), second end cover (22), first barrel (1) and second barrel (15), its characterized in that, first end cover (3) with backing plate (20) are installed at second end cover (22) inboard both ends, first end cover (3) with second end cover (22) fixed connection backing plate (20), install draw-in groove (21) on backing plate (20), backing plate (20) fixed connection draw-in groove (21), install filter screen (19) on draw-in groove (21), draw-in groove (21) swing joint filter screen (19), filter screen (19) are located in second barrel (15).

2. The mechanical seal flushing device according to claim 1, wherein a plurality of through holes are formed in the upper end of the first barrel (1), a first sealing plug (11) is installed at the through hole of the first barrel (1), a water inlet pipe (14) is installed on the inner side of the through hole of the first barrel (1), the water inlet pipe (14) is fixedly connected with the through hole of the first barrel (1), a second barrel (15) is arranged at the lower end of the water inlet pipe (14), and a water inlet (23) matched with the water inlet pipe (14) is formed in the second barrel (15).

3. The mechanical seal flushing device according to claim 2, wherein a plurality of through holes are formed in the lower end of the first barrel (1), a second sealing plug (16) is installed at the through hole of the first barrel (1), a water outlet pipe (17) is installed at the inner side of the through hole of the first barrel (1), the water outlet pipe (17) is fixedly connected with the through hole of the first barrel (1), the second barrel (15) is arranged at the upper end of the water outlet pipe (17), and a water outlet (18) matched with the water outlet pipe (17) is formed in the second barrel (15).

4. A mechanical seal flushing device according to claim 3, characterized in that the second end cap (22) is mounted on one side of the first cylinder (1), the first end cap (3) is mounted on the other side of the first cylinder (1), and the first cylinder (1) is movably connected with the first end cap (3) and the second end cap (22).

5. The mechanical seal flushing device according to claim 4, wherein fourth through holes (33) are formed in two sides of the first end cover (3) and the second end cover (22), bolts (10) are mounted at two ends of the first end cover (3) and the second end cover (22) through the fourth through holes (33), and the first end cover (3) and the second end cover (22) are in threaded connection with the bolts (10).

6. The mechanical seal flushing device according to claim 5, characterized in that a third through hole (13) is formed in the middle of the second cylinder (15), a shaft (8) is installed on the second cylinder (15) through the third through hole (13), the second cylinder (15) is movably connected with the shaft (8), a fixing ring (7) is installed on the shaft (8), and the shaft (8) is fixedly connected with the fixing ring (7).

7. The mechanical seal flushing device according to claim 6, characterized in that a spring (6) is installed on one side of the fixed ring (7), the fixed ring (7) is fixedly connected with the spring (6), a movable ring (5) is installed on one side of the spring (6), the spring (6) is movably connected with the movable ring (5), a hole matched with the shaft (8) is formed in the movable ring (5), and the movable ring (5) is fixedly connected with the shaft (8) through the hole.

8. The mechanical seal flushing device according to claim 7, characterized in that a stationary ring (4) is installed inside the second cylinder (15), the second cylinder (15) is fixedly connected with the stationary ring (4), a hole matched with the shaft (8) is formed in the stationary ring (4), and the stationary ring (4) is fixedly connected with the shaft (8) through the hole.

9. A mechanical seal flushing device according to claim 8, characterized in that a second through hole (41) is arranged at one end of the stationary ring (4), a first through hole (12) is arranged at one end of the second cylinder (15), and a support column (31) adapted to the first through hole (12) is arranged at one end of the first end cover (3).

10. A mechanical seal flushing device according to claim 9, characterized in that the support column (31) penetrates through the first through hole (12) and the second through hole (41), the support column (31) penetrates through the stationary ring (4), the movable ring (5) is located at one end of the stationary ring (4) far away from the first end cover (3), one end of the movable ring (5) is attached to one end of the support column (31), and a gap exists between the movable ring (5) and the stationary ring (4).