CN218817183U

CN218817183U - Mechanical sealing structure for carrying static ring cooling

Info

Publication number: CN218817183U
Application number: CN202223012847.0U
Authority: CN
Inventors: 黄晨; 丁昂; 屠炯; 毛江涛; 张克强; 孔伶俐; 万红杨; 任凯达
Original assignee: AESSEAL CHINA Ltd
Current assignee: AESSEAL CHINA Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-04-07
Anticipated expiration: 2032-11-10

Abstract

The application discloses carry on refrigerated mechanical seal structure of quiet ring, it includes axle sleeve and gland, the gland with be provided with quiet ring subassembly between the axle sleeve, one side of quiet ring subassembly is provided with the rotating ring subassembly, the rotating ring subassembly is keeping away from the one end of quiet ring subassembly install in the outside of axle sleeve, the guiding gutter has been seted up to the inner periphery side week of gland, the opening part of guiding gutter with the outside of quiet ring subassembly corresponds, two business turn over holes have evenly been seted up in the outside of gland, the business turn over hole will with external intercommunication in the guiding gutter. The present application has the effect of maintaining the operating efficiency of the rotary fluid machine.

Description

Mechanical sealing structure for carrying static ring cooling

Technical Field

The application relates to the technical field of mechanical sealing, in particular to a mechanical sealing structure carrying static ring cooling.

Background

The mechanical seal is a universal shaft seal device, is commonly used for rotary fluid machinery such as pumps, compressors, reaction stirring kettles and the like, is also used for sealing gear boxes, valves, rotary joints, ship tail shafts and the like, and is a device for solving the problem of sealing between a rotary shaft and a machine body.

Application number 2010105233688 among the prior art, the patent name is a collection dress formula mechanical seal, including axle sleeve and cover rotating ring subassembly and quiet ring subassembly on the axle sleeve, the rotating ring subassembly includes the spring holder, quiet ring subassembly includes quiet ring seat, be equipped with the annular groove on the axle sleeve periphery wall, wherein, it still includes one and has the open-ended position circle, the equipartition has three boss on the position circle periphery wall, all be equipped with the rupture groove on the three boss, be equipped with the annular mounting groove on the quiet ring seat inner chamber wall, the position circle is located between annular groove and the annular mounting groove, the clearance parallel and level between rupture groove and quiet ring seat and the axle sleeve, quiet ring seat inner chamber border department circumference equipartition has the breach that three confession boss was put into, the breach communicates with each other with the annular mounting groove.

The current cartridge mechanical sealing device in the market has higher working condition temperature, such as a hot water pump and a boiler feed water pump, can not achieve the purpose of ideal operation of the mechanical sealing device in a packaging state; the mechanical seal is difficult to adapt to the working condition of high-pressure high-temperature hot water, certain use limitation exists, the temperature of the medium is further increased due to heat generated by friction when the mechanical seal operates at a high rotating speed, the process medium is further easier to vaporize, the mechanical seal is difficult to operate in an ideal operation state, and the working efficiency of the rotary fluid machine is reduced.

SUMMERY OF THE UTILITY MODEL

In order to maintain the working efficiency of a rotary fluid machine, the present application provides a mechanical seal structure carrying static ring cooling.

The application provides a carry on mechanical seal structure of quiet ring cooling adopts following technical scheme:

including axle sleeve and gland, the gland with be provided with quiet ring subassembly between the axle sleeve, one side of quiet ring subassembly is provided with the rotating ring subassembly, the rotating ring subassembly is keeping away from the one end of quiet ring subassembly install in the outside of axle sleeve, the guiding gutter has been seted up to the inner periphery side circumference of gland, the opening part of guiding gutter with the outside of quiet ring subassembly corresponds, two business turn over holes have evenly been seted up in the outside of gland, the business turn over hole will with external intercommunication in the guiding gutter.

Through adopting above-mentioned technical scheme, the axle sleeve is installed in week side of axis of rotation, week side of axle sleeve is fixed in to the one end of rotating ring subassembly, the outside of quiet ring subassembly is fixed in the inboard of gland, later insert one of them business turn over downthehole with the inlet tube, insert another business turn over downthehole with the outlet pipe, then lead to water to the one end of inlet tube, water flows out from the one end of outlet pipe through the guiding gutter, the gland rotates in week side of axle sleeve, make quiet ring subassembly and rotating ring subassembly carry out relative rotation, in-process at the function can produce the heat, nevertheless heat in the quiet ring subassembly can be taken away to the water in the guiding gutter, let quiet ring subassembly and rotating ring subassembly carry out normal work, thereby keep rotation type fluid machinery's work efficiency.

Preferably, quiet ring subassembly includes quiet ring piece and heat-conducting ring, the installation annular has been opened to the interior week lateral of gland one end, the heat-conducting ring embedding in the installation annular, the heat-conducting ring is located the interior week lateral of guiding gutter, quiet ring piece peg graft in the outer end of heat-conducting ring, the rotating ring subassembly is including solid fixed ring and rotating ring piece, gu fixed ring is fixed in the periphery side of axle sleeve, the one end of rotating ring piece set up in gu fixed ring is being close to the one end of quiet ring piece, the one end of rotating ring piece with the mutual butt of one end of quiet ring piece.

Through adopting above-mentioned technical scheme, solid fixed ring is fixed in the periphery side of axle sleeve, and the rotating ring piece is installed in solid fixed ring's one end, and in the heat conduction ring grafting was fixed in the mounting ring groove, later installed the outer end in the heat conduction ring with quiet ring piece, the mutual butt of the one end of rotating ring piece and the one end of quiet ring piece, and rotating ring piece and quiet ring piece carry out the rotation each other to form the liquid film, improve frictional force between quiet ring piece and the rotating ring piece.

Preferably, the heat conduction ring with be provided with two quiet 0 type rings of ring between the gland, two quiet 0 type ring of ring is located respectively the both sides of guiding gutter, the lateral wall butt of quiet 0 type ring of ring in the inside wall of gland, the inside wall butt of quiet 0 type ring of ring in the lateral wall of quiet ring piece.

Through adopting above-mentioned technical scheme, two quiet 0 type circles of ring are installed respectively in the interior periphery side of gland, and two quiet 0 type circles of ring are located the both sides of guiding gutter respectively, and the mutual butt of the inside wall of quiet 0 type circle of ring and the lateral wall of quiet ring piece, and two quiet 0 type circles of ring increase the leakproofness between guiding gutter and the quiet ring piece respectively.

Preferably, the gland is in the bottom of installation annular is provided with the pin, the inserting groove has been seted up to the one end of quiet ring piece, the outer end of pin peg graft in the inserting groove.

Through adopting above-mentioned technical scheme, the one end of pin is fixed in the mounting ring groove bottom, and in the inserting groove was inserted to the other end, the gland rotated, under the drive of pin, rotated quiet ring block, improved the stability between gland and the quiet ring block.

Preferably, the periphery side circumference of axle sleeve has seted up the annular, the gland is keeping away from the one end circumference of rotating ring subassembly is provided with four locating pieces, the one end of locating piece peg graft in the annular, the other end is fixed in the one end of gland.

Through adopting above-mentioned technical scheme, in the one end insert ring groove of locating piece, the inboard mutual butt in the outside of inboard and the gland of locating piece to be fixed in the periphery side of axle sleeve with the gland, improved the stability of gland.

Preferably, a spring gasket is arranged between the fixed ring and the movable ring block.

Through adopting above-mentioned technical scheme, the spring shim is located between solid fixed ring and the rotating ring piece, and the spring shim removes the rotating ring piece to one side of quiet ring piece to increase stability between rotating ring piece and the quiet ring piece.

Preferably, a plurality of fixing screws are circumferentially provided on the circumferential side of the shaft sleeve, and one ends of the fixing screws are inserted into the inside of the shaft sleeve through the outside of the shaft sleeve.

Through adopting above-mentioned technical scheme, set screw thread rotates in the axle sleeve, and one end butt until set screw is in the lateral wall of axis of rotation to on being fixed in the axis of rotation with the axle sleeve, improved the stability of axle sleeve.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two static ring 0-shaped rings are respectively arranged on the inner peripheral side of the gland, the two static ring 0-shaped rings are respectively positioned on two sides of the guide groove, the inner side wall of the static ring 0-shaped ring is mutually abutted with the outer side wall of the static ring block, and the two static ring 0-shaped rings respectively increase the sealing property between the guide groove and the static ring block;

2. one end of the pin is fixed at the bottom of the mounting ring groove, the other end of the pin is inserted into the insertion groove, the gland rotates, and the stationary ring block rotates under the driving of the pin, so that the stability between the gland and the stationary ring block is improved;

3. one end of the positioning block is inserted into the annular groove, the inner side of the positioning block is abutted against the outer side of the gland, and therefore the gland is fixed to the outer peripheral side of the shaft sleeve, and stability of the gland is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the shaft sleeve and the gland in this embodiment;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a front view of the sleeve and the gland in this embodiment.

Reference numerals: 1. a shaft sleeve; 2. a gland; 3. a stationary ring assembly; 4. a rotating ring assembly; 5. a stationary ring block; 6. a heat conducting ring; 7. mounting a ring groove; 8. caulking grooves; 9. a fixing ring; 10. a movable ring block; 11. a limiting ring; 12. a spring washer; 13. a diversion trench; 14. an inlet and outlet hole; 15. a stationary ring 0-shaped ring; 16. a pin; 17. inserting grooves; 18. a ring groove; 19. positioning blocks; 20. and fixing the screw.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a mechanical sealing structure for carrying out static ring cooling.

Referring to fig. 1 and 2, the bearing comprises a shaft sleeve 1 and a gland 2, a static ring assembly 3 is placed between the gland 2 and the shaft sleeve 1, and a moving ring assembly 4 is placed on one side of the static ring assembly 3.

The vertical cross-section of axle sleeve 1 is two mutual symmetries "L" font, quiet ring subassembly 3 includes quiet ring piece 5 and heat conduction ring 6, the interior week side of 2 one ends of gland is opened and is equipped with installation annular 7, in the heat conduction ring 6 embedding installation annular 7, the interior week side of 6 outer ends of heat conduction ring is opened and is equipped with caulking groove 8, quiet ring piece 5 is pegged graft in caulking groove 8, movable ring subassembly 4 is including solid fixed ring 9 and movable ring piece 10, gu fixed ring 9 is fixed in the periphery side of axle sleeve 1, gu one side of fixed ring 9 and one side butt of axle sleeve 1, the one end of movable ring piece 10 is placed in solid fixed ring 9 and is being close to the one end of quiet ring piece 5, gu fixed ring 9 is provided with spacing ring 11 in the outside an organic whole that is close to movable ring piece 10 one end, movable ring piece 10 is located between spacing ring 11 and axle sleeve 1, the one end of movable ring piece 10 and the mutual butt of quiet ring piece 5.

A spring gasket 12 is arranged between the fixed ring 9 and the movable ring block 10, one end of the spring gasket 12 abuts against one end of the fixed ring 9, and the other end abuts against one end of the movable ring block 10.

The inner periphery side of gland 2 has seted up guiding gutter 13 in the circumference, and the opening part of guiding gutter 13 corresponds with the outside of heat conduction ring 6, and two business turn over holes 14 have evenly been seted up in the outside of gland 2, and business turn over hole 14 communicates with the external world in the guiding gutter 13.

There are two quiet 0 type rings 15 of ring between heat-conducting ring 6 and the gland 2, and two quiet 0 type rings 15 of ring are located the both sides of guiding gutter 13 respectively, and the lateral wall butt of quiet 0 type ring 15 of ring is in the inside wall of gland 2, and the inside wall butt of quiet 0 type ring 15 of ring is in the lateral wall of quiet ring piece 5.

The bottom of the gland 2 in the mounting ring groove 7 is connected with a pin 16 in a rotating mode through threads, one end of the static ring block 5 is provided with an inserting groove 17, and the outer end of the pin 16 is inserted into the inserting groove 17.

Referring to fig. 1 and 3, a ring groove 18 is circumferentially formed on the outer circumferential side of the shaft sleeve 1, four positioning blocks 19 are circumferentially placed at one end of the gland 2 far away from the movable ring block 10, one end of each positioning block 19 is inserted into the ring groove 18, and the other end of each positioning block is fixed at one end of the gland 2 through a bolt.

Six fixing screws 20 are rotatably connected to the circumferential uniform thread of the side wall of the shaft sleeve 1, and one ends of the fixing screws 20 penetrate through the outer side of the shaft sleeve 1 and are inserted into the inner side of the shaft sleeve 1.

The implementation principle of the mechanical sealing structure carrying out the static ring cooling disclosed by the embodiment of the application is as follows: the one end of rotating ring subassembly 4 is fixed in the week side of axle sleeve 1, and the outside of quiet ring subassembly 3 is fixed in the inboard of gland 2, later inserts the inlet tube in one of them business turn over hole 14, inserts the outlet pipe in another business turn over hole 14, then leads to water to the one end of inlet tube, and water flows out from the one end of outlet pipe through guiding gutter 13, and gland 2 rotates in the week side of axle sleeve 1 for quiet ring subassembly 3 carries out relative rotation with rotating ring subassembly 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a carry on mechanical seal structure of quiet ring cooling which characterized in that: including axle sleeve (1) and gland (2), gland (2) with be provided with quiet ring subassembly (3) between axle sleeve (1), one side of quiet ring subassembly (3) is provided with rotating ring subassembly (4), rotating ring subassembly (4) are keeping away from the one end of quiet ring subassembly (3) install in the outside of axle sleeve (1), guiding gutter (13) have been seted up to the interior week side circumference of gland (2), the opening part of guiding gutter (13) with the outside of quiet ring subassembly (3) corresponds, two business turn over holes (14) have evenly been seted up in the outside of gland (2), business turn over hole (14) will with external intercommunication in guiding gutter (13).

2. The mechanical seal structure for carrying out static ring cooling as claimed in claim 1, wherein the static ring assembly (3) comprises a static ring block (5) and a heat conduction ring (6), an installation ring groove (7) is formed in the inner peripheral side of one end of the gland (2), the heat conduction ring (6) is embedded in the installation ring groove (7), the heat conduction ring (6) is located in the inner peripheral side of the diversion trench (13), the static ring block (5) is inserted into the outer end of the heat conduction ring (6), the dynamic ring assembly (4) comprises a fixed ring (9) and a dynamic ring block (10), the fixed ring (9) is fixed on the outer peripheral side of the shaft sleeve (1), one end of the dynamic ring block (10) is arranged at one end, close to the static ring block (5), of the dynamic ring block (10) and one end of the static ring block (5) are abutted to each other.

3. The mechanical sealing structure carrying out static ring cooling as recited in claim 2, wherein two static ring 0-shaped rings (15) are arranged between the heat conducting ring (6) and the gland (2), the two static ring 0-shaped rings (15) are respectively located at two sides of the diversion trench (13), the outer side wall of the static ring 0-shaped ring (15) abuts against the inner side wall of the gland (2), and the inner side wall of the static ring 0-shaped ring (15) abuts against the outer side wall of the static ring block (5).

4. The mechanical seal structure carrying the static ring cooling as claimed in claim 2, wherein the gland (2) is provided with a pin (16) at the bottom of the mounting ring groove (7), one end of the static ring block (5) is provided with an insertion groove (17), and the outer end of the pin (16) is inserted into the insertion groove (17).

5. The mechanical seal structure carrying out static ring cooling as claimed in claim 1, wherein a circumferential groove (18) is circumferentially opened on the outer circumferential side of the shaft sleeve (1), four positioning blocks (19) are circumferentially arranged on one end of the gland (2) far away from the dynamic ring component (4), one end of each positioning block (19) is inserted into the corresponding circumferential groove (18), and the other end of each positioning block is fixed to one end of the corresponding gland (2).

6. A mechanical seal structure carrying static ring cooling as claimed in claim 2, characterized in that a spring washer (12) is provided between the fixed ring (9) and the movable ring block (10).

7. The mechanical seal structure carrying out static ring cooling as recited in claim 1, wherein a plurality of fixing screws (20) are circumferentially provided on a circumferential side of the sleeve (1), and one ends of the fixing screws (20) are inserted into an inner side of the sleeve (1) through an outer side of the sleeve (1).