CN217381630U

CN217381630U - Mechanical sealing element with self-lubricating function

Info

Publication number: CN217381630U
Application number: CN202220566575.XU
Authority: CN
Inventors: 韩伟; 黄虎
Original assignee: Gaodao Sealing Technology Suzhou Co ltd
Current assignee: Gaodao Sealing Technology Suzhou Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-09-06
Anticipated expiration: 2032-03-15

Abstract

The utility model relates to a mechanical seal technical field just discloses a mechanical seal with self-lubricating, including from the pivot body, quiet ring and rotating ring, set quiet ring and rotating ring in proper order from the top down from the pivot body, quiet ring passes through T-shaped piece swing joint with the rotating ring. The utility model discloses in, because two kicking blocks all extend the inside cavity region that gets into the draw-in groove when using, two kicking blocks all extend the inside cavity region that gets into the oiling groove, consequently when the link ring rotates along with the rotation shaft, when kicking block one corresponds about with kicking block two, spacing post can receive the extrusion sponge oil storage piece that upwards extrudes, sponge oil storage piece atress takes place deformation, thereby extrude the lubricating oil of the inside deposit of sponge oil storage piece, and get into the junction from the rotation shaft and base through the draw-in groove, play lubricated effect, and cooperate the convenient inside oiling to sponge oil storage piece at any time of oil filler point, thereby the inconvenient lubricating oil that adds of existing equipment has been solved, the problem that does not have the function of self-lubricating.

Description

Mechanical sealing element with self-lubricating function

Technical Field

The utility model relates to a mechanical seal technical field specifically is a mechanical seal spare with self-lubricating.

Background

The mechanical seal is a main form of a rotating shaft seal of a fluid machine, and is widely applied, and the mechanical seal is an oil seal device of the rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, compressors, and the like. Since the mechanical shaft extends through the device, there is a circumferential gap between the shaft and the device, requiring a mechanical seal to prevent leakage.

However, the existing mechanical sealing element is inconvenient to add lubricating oil and has no self-lubricating function. To this end, we propose a mechanical seal with self-lubrication.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Not enough to prior art, the utility model provides a mechanical seal with self-lubricating has solved foretell problem.

Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical seal with self-lubricating, includes from the pivot body, quiet ring and rotating ring, from the pivot body has set quiet ring and rotating ring in proper order from the top down, quiet ring passes through T-shaped piece swing joint with the rotating ring, from the central axis coincidence each other of pivot body, quiet ring and rotating ring, the inside of rotating ring is provided with the sealing washer, install the base through the bearing on the pivot body, the draw-in groove has been seted up to the inside of base, the position fixed mounting that corresponds the draw-in groove on the pivot body has the link ring, link ring activity joint is in the inside of draw-in groove, the last wall symmetry fixed mounting of link ring has two semicircular kicking blocks one, the inside of draw-in groove is provided with the mechanism of supplying oil.

Preferably, the oiling mechanism includes oiling groove, sponge oil storage piece, spacing post and kicking block two, the oiling groove has been seted up to the inside top surface of draw-in groove, the inside bottom surface fixed mounting of oiling groove has the sponge oil storage piece that is used for saving lubricating oil, the inside of oiling groove is provided with the spacing post that can reciprocate extrusion sponge oil storage piece, spacing post is located the below of sponge oil storage piece, the lower wall symmetry fixed mounting of spacing post has two semicircular kicking blocks two, the oil filler point has been seted up to the position that the outer wall of base corresponds the oiling groove.

Preferably, the two ejector blocks extend into the hollow inner area of the clamping groove, and the two ejector blocks extend into the hollow inner area of the oil filling groove.

Preferably, the inside lateral wall face of oiling groove has seted up the spacing groove, the inside fixed mounting in spacing groove has the extrusion ring, the inside that the spacing post extended into the spacing groove, just the one end activity that the spacing post is located the spacing inslot portion cup joints on the extrusion ring.

Preferably, the upper wall surface of the base is fixedly provided with a mounting ring, the mounting ring is connected with two bolts in a threaded manner, one ends of the two bolts close to each other are fixedly connected with clamping blocks through bearings, the outer wall surface of the rotating ring is provided with clamping grooves corresponding to the positions of the two clamping blocks, and the clamping blocks are movably clamped inside the clamping grooves.

Advantageous effects

Compared with the prior art, the utility model provides a mechanical seal with self-lubricating possesses following beneficial effect:

1. because two kicking blocks two all extend the inside hollow region who gets into the draw-in groove when using, two kicking blocks one all extend the inside hollow region who gets into the oiling groove, consequently when the link ring rotates along with the rotation shaft, when kicking block one corresponds about with kicking block two, spacing post can receive the extrusion sponge oil storage piece that makes progress, deformation takes place for sponge oil storage piece atress, thereby extrude the lubricating oil of the inside deposit of sponge oil storage piece, and get into the junction from rotation shaft and base through the draw-in groove, play lubricated effect, and the convenient inside oiling to sponge oil storage piece at any time of cooperation oil filler point, thereby solved the inconvenient lubricating oil that adds of existing equipment, the problem that does not have the function of self-lubricating.

2. Through the fixed mounting at limiting groove inside there is the extrusion ring, can play a spacing effect to the removal of spacing post, guarantee spacing post can be in the stable reciprocating of the inside of oil filler point extrude sponge oil storage piece.

3. Through threaded connection bolt on the collar, be connected with the fixture block on the bolt simultaneously, the block groove on the cooperation rotating ring can improve the rotating ring stability when rotating greatly when using to improve the rotational efficiency of rotating ring.

Drawings

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

FIG. 2 is a perspective view of the linkage ring of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a self-rotating shaft body; 2. a stationary ring; 3. a moving ring; 4. a seal ring; 5. a base; 6. a card slot; 7. a link ring; 8. a first top block; 9. an oil injection groove; 10. a sponge oil storage block; 11. a limiting groove; 12. a limiting post; 13. an extrusion ring; 14. a second top block; 15. an oil filler hole; 16. a mounting ring; 17. a bolt; 18. a clamping groove; 19. and (7) clamping blocks.

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.

Referring to fig. 1-3, a mechanical seal with self-lubricating function, including the rotation shaft body 1, quiet ring 2 and rotating ring 3, from top to bottom the rotation shaft body 1 has set quiet ring 2 and rotating ring 3 in proper order, quiet ring 2 passes through T-shaped piece swing joint with rotating ring 3, the central axis of rotation shaft body 1, quiet ring 2 and rotating ring 3 coincides each other, the inside of rotating ring 3 is provided with sealing washer 4, install base 5 through the bearing on the rotation shaft body 1, draw-in groove 6 has been seted up to the inside of base 5, the fixed position that corresponds draw-in groove 6 on the rotation shaft body 1 installs link ring 7, link ring 7 activity joint is in the inside of draw-in groove 6, the upper wall symmetry fixed mounting of link ring 7 has two semicircular kicking blocks one 8, the inside of draw-in groove 6 is provided with the oil feeding mechanism.

Give oily mechanism and include oiling groove 9, sponge oil storage piece 10, spacing post 12 and kicking block two 14, oiling groove 9 has been seted up to the inside top surface of draw-in groove 6, oiling groove 9's inside bottom surface fixed mounting has the sponge oil storage piece 10 that is used for saving lubricating oil, oiling groove 9's inside is provided with the spacing post 12 that can reciprocate extrusion sponge oil storage piece 10, spacing post 12 is located sponge oil storage piece 10's below, the lower wall face symmetry fixed mounting of spacing post 12 has two semicircular kicking blocks two 14, oil filler point 15 has been seted up to the position that the outer wall of base 5 corresponds oiling groove 9, can pour into lubricating oil into oiling groove 9's inside through oil filler point 15, and be adsorbed by sponge oil storage piece 10.

Two kicking blocks two 14 all extend the inside hollow region who gets into draw-in groove 6, and two kicking blocks one 8 all extend the inside hollow region who gets into oiling groove 9, consequently when link 7 rotates along with spinning shaft 1, when two kicking blocks one 8 and two kicking blocks two 14 correspond from top to bottom, spacing post 12 receives the extrusion and upwards extrudees sponge oil storage piece 10.

Spacing groove 11 has been seted up to the inside lateral wall face of oiling groove 9, the inside fixed mounting of spacing groove 11 has extrusion ring 13, extrusion ring 13's quantity can be installed according to actual conditions, extrusion ring 13's quantity is totally two in this scheme, spacing post 12 extends the inside that gets into spacing groove 11, and spacing post 12 is located the inside one end activity of spacing groove 11 and cup joints on extrusion ring 13, have extrusion ring 13 can be when spacing post 12 removes through the inside fixed mounting at spacing groove 11, play a spacing effect to spacing post 12.

The mounting ring 16 is fixedly mounted on the upper wall surface of the base 5, the two bolts 17 are connected to the mounting ring 16 through threads, the number of the bolts 17 can be mounted according to actual conditions, the number of the bolts 17 in the scheme is two, one ends, close to each other, of the two bolts 17 are fixedly connected with clamping blocks 19 through bearings, the clamping grooves 18 are formed in the positions, corresponding to the two clamping blocks 19, of the outer wall surface of the movable ring 3, and the clamping blocks 19 are movably clamped inside the clamping grooves 18.

Principle of operation

Because two kicking blocks two 14 all extend the inside cavity region that gets into draw-in groove 6 when using, two kicking blocks one 8 all extend the inside cavity region that gets into oiling groove 9, consequently when link 7 rotates along with from the shaft body 1, when kicking blocks one 8 corresponds from top to bottom with kicking blocks two 14, spacing post 12 can receive the extrusion sponge oil storage piece 10 that upwards extrudes, deformation takes place for sponge oil storage piece 10 atress, thereby extrude the lubricating oil of the inside deposit of sponge oil storage piece 10, and get into the junction from shaft body 1 and base 5 through draw-in groove 6, play lubricated effect, and cooperation oil filler point 15 is convenient at any time to the inside oiling of sponge oil storage piece 10, thereby the inconvenient additional lubrication oil of current equipment has been solved, the problem that does not have the function of self-lubricating.

Through the fixed mounting at inside 11 spacing grooves there is extrusion ring 13, can play a spacing effect to the removal of spacing post 12, guarantee spacing post 12 can be in the inside stable reciprocating of oiling groove 9 extrude sponge oil storage piece 10.

Through threaded connection bolt 17 on collar 16, be connected with fixture block 19 on the bolt 17 simultaneously, cooperate the block groove 18 on the rotating ring 3, stability when can improve the rotating ring 3 greatly when using to improve the rotational efficiency of rotating ring 3.

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 mechanical seal with self-lubricating, includes from the pivot body (1), quiet ring (2) and rotating ring (3), from the pivot body (1) set quiet ring (2) and rotating ring (3) by last under to in proper order, quiet ring (2) and rotating ring (3) are through T-shaped piece swing joint, the central axis of the pivot body (1), quiet ring (2) and rotating ring (3) coincides each other, the inside of rotating ring (3) is provided with sealing washer (4), its characterized in that: install base (5) through the bearing on the rotation shaft body (1), draw-in groove (6) have been seted up to the inside of base (5), there is linkage ring (7) from the fixed position who corresponds draw-in groove (6) on the rotation shaft body (1), linkage ring (7) activity joint is in the inside of draw-in groove (6), the last wall symmetry fixed mounting of linkage ring (7) has two semicircular kicking blocks one (8), the inside of draw-in groove (6) is provided with the mechanism of giving oil.

2. A mechanical seal with self-lubrication according to claim 1, wherein: give oily mechanism and include oiling groove (9), sponge oil storage piece (10), spacing post (12) and kicking block two (14), oiling groove (9) have been seted up to the inside top surface of draw-in groove (6), the inside bottom surface fixed mounting of oiling groove (9) has sponge oil storage piece (10) that are used for saving lubricating oil, the inside of oiling groove (9) is provided with spacing post (12) that can reciprocate extrusion sponge oil storage piece (10), spacing post (12) are located the below of sponge oil storage piece (10), the lower wall face symmetry fixed mounting of spacing post (12) has two semicircular kicking blocks two (14), oil filler point (15) have been seted up to the position that the outer wall of base (5) corresponds oiling groove (9).

3. A mechanical seal with self-lubrication according to claim 2, wherein: the two second ejector blocks (14) extend into the hollow inner area of the clamping groove (6), and the two first ejector blocks (8) extend into the hollow inner area of the oil filling groove (9).

4. A mechanical seal with self-lubrication according to claim 2, wherein: spacing groove (11) have been seted up to the inside lateral wall face of oiling groove (9), the inside fixed mounting of spacing groove (11) has extrusion ring (13), spacing post (12) extend the inside that gets into spacing groove (11), just spacing post (12) are located the inside one end activity of spacing groove (11) and are cup jointed on extrusion ring (13).

5. A mechanical seal with self-lubrication according to claim 1, wherein: the upper wall surface of the base (5) is fixedly provided with a mounting ring (16), the mounting ring (16) is provided with two bolts (17) in a threaded connection mode, two bolts (17) are arranged at one ends, close to each other, of the two bolts (17) and are fixedly connected with clamping blocks (19) through bearings, the outer wall surface of the movable ring (3) corresponds to the positions of the two clamping blocks (19) and is provided with clamping grooves (18), and the clamping blocks (19) are movably clamped inside the clamping grooves (18).