CN217633862U - Wear-resistant mechanical seal assembly - Google Patents

Abstract

The utility model discloses a stand wear and tear mechanical seal subassembly, include: the inner part of the machine body is connected with a shaft rod in a penetrating way, and the upper surface of the machine body is connected with a lower sealing gasket in a fitting way; the fixed ring is attached to the upper surface of the middle part of the lower sealing gasket, and the movable ring and the inner sealing gasket are sequentially arranged on the fixed ring; the pressing sleeve is attached to the upper surface of the outer end of the lower sealing gasket, and heat dissipation holes are formed in the middle of the pressing sleeve at equal intervals; the ball clamping is connected to the inner side of the upper end of the compression sleeve in a non-detachable mode. This stand wear and tear mechanical seal subassembly is convenient for install and equipment, is convenient for at the self hardness performance of stationary ring, rotating ring, push pedal and compressing tightly the cover to be convenient for under the effect of cooling and lubricating liquid, reduce the axostylus axostyle and stationary ring, rotating ring and compress tightly the friction between the cover, and cool off the heat dissipation to it, make this mechanical seal subassembly's long service life.

Description

Wear-resistant mechanical seal assembly

Technical Field

The utility model relates to a mechanical seal subassembly technical field specifically is a stand wear and tear mechanical seal subassembly.

Background

The mechanical sealing assembly belongs to one of precise mechanical basic elements with complex structures, is a key part of mechanical equipment such as various pumps, reaction synthesis kettles, turbine compressors, submersible motors and the like, and is mainly used for preventing fluid leakage at the joint of a shaft part.

However, the existing mechanical seal assembly is generally inconvenient to install and assemble, difficult to reduce abrasion between the components, easy to damage, inconvenient to cool and dissipate heat, and difficult to prolong the service life of the mechanical seal assembly in the using process, so a wear-resistant mechanical seal assembly is provided to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical seal subassembly stand wear and tear to propose current mechanical seal subassembly in solving above-mentioned background art, in the use, generally be not convenient for installation and equipment are difficult to reduce wearing and tearing between it, easily produce the damage, and are not convenient for cool off the heat dissipation, are difficult to make its long service life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a wear resistant mechanical seal assembly comprising:

the inner part of the machine body is connected with a shaft lever in a penetrating way, and the upper surface of the machine body is connected with a lower sealing gasket in a fitting way;

the fixed ring is attached to the upper surface of the middle part of the lower sealing gasket, and the movable ring and the inner sealing gasket are sequentially arranged on the fixed ring;

the pressing sleeve is attached to the upper surface of the outer end of the lower sealing gasket, and heat dissipation holes are formed in the middle of the pressing sleeve at equal intervals;

the ball, the ball block is undetachable and is connected at the upper end inboard that compresses tightly the cover, and the outside of ball is provided with the flourishing liquid chamber of seting up in compressing tightly the cover.

Preferably, the shaft rod sequentially penetrates through the upper sealing gasket, the pressing sleeve, the inner sealing gasket, the movable ring, the fixed ring, the lower sealing gasket and the inside of the mechanical body from top to bottom, the pressing sleeve is arranged on the outer sides of the fixed ring, the movable ring, the inner sealing gasket, the push plate and the spring in an embedded mode, the outer diameter of the fixed ring, the outer diameter of the inner sealing gasket, the outer diameter of the push plate and the outer diameter of the spring are the same as the inner diameter of the pressing sleeve, and the fixed ring, the movable ring, the push plate and the pressing sleeve are all formed by abrasion-resistant ceramic coatings which are sprayed on the stainless steel plates and the stainless steel plates.

Preferably, the lower sealing gasket and the upper sealing gasket are tightly attached to the shaft rod, the upper sealing gasket is fixedly connected with the pressing sleeve in an adhering mode, the upper surface of the inner sealing gasket is attached to the pressing sleeve, and the lower surface of the inner sealing gasket is attached to the fixed ring and the movable ring.

Preferably, the push plate that the lower extreme outside nestification of interior sealed pad is connected with it laminating, and the push plate is connected with the spring with the inboard laminating that compresses tightly the cover to the spring is located the outside of interior sealed pad, compresses tightly the cover moreover and passes through screw and mechanical body fixed connection.

Preferably, the balls are arranged symmetrically about the center of the compression sleeve, the inner sides of the balls are connected with the shaft rod in a fitting mode, and the inner side of the right upper end of the compression sleeve is in threaded connection with a connecting cover located above the liquid containing cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the wear-resistant mechanical seal assembly is convenient to mount and assemble, and is convenient to reduce the friction between the shaft rod and the fixed ring, between the shaft rod and the compression sleeve and between the shaft rod and the compression sleeve under the combined action of the self hardness performance of the fixed ring, the movable ring, the push plate and the compression sleeve and cooling lubricating liquid, reduce the wear and cool the shaft rod and the compression sleeve, so that the mechanical seal assembly is long in service life;

1. the mechanical sealing component is provided with a mechanical body, a shaft lever, a lower sealing gasket and a fixed ring, wherein the shaft lever sequentially penetrates through the upper sealing gasket, a pressing sleeve, an inner sealing gasket, a movable ring, the fixed ring, the lower sealing gasket and the interior of the mechanical body from top to bottom;

2. be provided with the axostylus axostyle, the fixed ring, rotating ring and clamping sleeve, because the inboard central symmetry in the upper end of clamping sleeve is provided with the ball of the undetachable connection of block with it, ball and axostylus axostyle are the laminating connection, and the axostylus axostyle runs through in the inboard of inner seal pad, the upper and lower both sides of inner seal pad are connected with clamping sleeve and fixed ring laminating respectively, and the fixed ring, the rotating ring, push pedal and clamping sleeve constitute by corrosion resistant plate and wear-resisting ceramic coating, the louvre has been seted up to the middle part inside equidistant of clamping sleeve, and the outside of ball is provided with the flourishing liquid chamber of seting up in clamping sleeve, the right-hand member top in flourishing liquid chamber is provided with the connecting cover with clamping sleeve threaded connection, therefore be convenient for under the effect of self hardness performance and the coolant liquid of fixed ring, rotating ring, push pedal and clamping sleeve, reduce the wearing and tearing, and cool off to it, make this mechanical seal subassembly long service life.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the inner structure of the stationary ring of the present invention;

fig. 5 is the utility model discloses the louvre is connected with the cover that compresses tightly and is overlooked section structure sketch map.

In the figure: 1. a machine body; 2. a shaft lever; 3. a lower seal; 4. fixing a ring; 5. a moving ring; 6. an inner seal; 7. pushing a plate; 8. a spring; 9. a compression sleeve; 10. heat dissipation holes; 11. an upper seal gasket; 12. a ball bearing; 13. cheng Yeqiang; 14. a connecting cover; 15. a stainless steel plate; 16. and (3) wear-resistant ceramic coating.

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. 1-5, the present invention provides a technical solution: a wear-resistant mechanical seal assembly comprises a mechanical body 1, a shaft lever 2, a lower seal gasket 3, a fixed ring 4, a movable ring 5, an inner seal gasket 6, a push plate 7, a spring 8, a pressing sleeve 9, a heat dissipation hole 10, an upper seal gasket 11, balls 12, a liquid containing cavity 13, a connecting cover 14, a stainless steel plate 15 and a wear-resistant ceramic coating 16, wherein when the wear-resistant mechanical seal assembly is used, as shown in figures 1, 2 and 5, the shaft lever 2 can be penetrated and installed in the mechanical body 1, then the lower seal gasket 3, the fixed ring 4, the movable ring 5 and the inner seal gasket 6 can be penetrated and installed outside the shaft lever 2 in sequence, so that the upper side and the lower side of the lower seal gasket 3 are respectively jointed with the fixed ring 4 and the mechanical body 1, and the upper side and the lower side of the movable ring 5 are respectively jointed with the inner seal gasket 6 and the fixed ring 4, then, the push plate 7 can be nested and attached to the outer side of the lower end of the inner sealing gasket 6, the spring 8 can be nested and attached to the outer side of the upper end of the inner sealing gasket 6, the compression sleeve 9 can be nested and arranged on the outer sides of the fixed ring 4, the movable ring 5, the inner sealing gasket 6, the push plate 7 and the spring 8, the lower side of the upper end of the compression sleeve 9 is in fit connection with the inner sealing gasket 6 and the spring 8, the lower surface of the compression sleeve 9 is in fit connection with the lower sealing gasket 3, the upper sealing gasket 11 which is fixedly adhered to the upper surface of the compression sleeve 9 is in close fit connection with the shaft lever 2, and finally the compression sleeve 9 can penetrate through the inner part of the outer end of the compression sleeve 9 through screws and be fixedly connected with the mechanical body 1, so that the installation and the assembly of the mechanical sealing assembly can be conveniently completed;

as shown in fig. 1, 2 and 3, in the process of using the mechanical seal assembly, the connecting cover 14 screwed to the inner side of the right end of the pressing sleeve 9 may be rotated first, the fixed connection between the connecting cover and the pressing sleeve 9 is broken, then the cooling lubricant may be added into the liquid containing cavity 13 formed in the upper end of the pressing sleeve 9, and after the addition is completed, the connecting cover 14 may be screwed to the pressing sleeve 9 again, since the balls 12 engaged with the pressing sleeve 9 and non-detachably connected are symmetrically disposed at the center of the inner end of the liquid containing cavity 13, the balls 12 are connected to the shaft rod 2, and the upper limit sides of the inner seal gasket 6 disposed outside the shaft rod 2 are respectively engaged with the pressing sleeve 9 and the fixed ring 4, and the upper seal gasket 11 and the lower seal gasket 3 disposed on the upper and lower sides of the pressing sleeve 9 are tightly engaged with the shaft rod 2, the cooling lubricant added into the liquid containing cavity 13 is convenient to flow to the inner sides of the pressing sleeve 9, the inner seal gasket 6, the fixed ring 4, the movable ring 5 and the pressing sleeve 2 under the rotation of the balls 12, thereby facilitating the shaft rod to pass through the self cooling lubricant performance of the cooling lubricant, and reducing the friction between the shaft rod 2 and the movable ring 5 and the pressing sleeve 9;

as shown in fig. 1, fig. 4 and fig. 5, the fixed ring 4, the movable ring 5, the push plate 7 and the pressing sleeve 9 are all composed of a stainless steel plate 15 and a wear-resistant ceramic coating 16, so that the wear-resistant performance of the mechanical sealing assembly is good under the self-hardness performance of the stainless steel plate 15 and the wear-resistant ceramic coating 16, and the heat dissipation holes 10 are formed in the middle of the pressing sleeve 9 at equal intervals, so that the heat dissipation is convenient for the inside of the mechanical sealing assembly, the service life of the mechanical sealing assembly is long, the electrical elements contained in the mechanical sealing assembly are the prior art, and detailed description is omitted.

The content that does not go into the detailed description in this specification belongs to the prior art that the professional technical staff of this field knows, the standard part that the utility model used all can purchase from the market, dysmorphism piece can be customized according to the record of description and attached drawing, the concrete connected mode of each part all adopts conventional means such as mature bolt, rivet, welding among the prior art, machinery, part and equipment all adopt among the prior art, conventional model, and the circuit connection adopts the conventional connected mode among the prior art, and the details are not repeated here, the content that does not go into the detailed description in this specification belongs to the prior art that the professional technical staff of this field knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. A wear resistant mechanical seal assembly, comprising:

the mechanical body (1), the inside of the mechanical body (1) is connected with a shaft lever (2) in a penetrating way, and the upper surface of the mechanical body (1) is connected with a lower sealing gasket (3) in a fitting way;

the fixed ring (4) is attached to the upper surface of the middle part of the lower sealing gasket (3), and the fixed ring (4) is sequentially provided with a movable ring (5) and an inner sealing gasket (6);

the pressing sleeve (9) is attached to the upper surface of the outer end of the lower sealing gasket (3), and heat dissipation holes (10) are formed in the middle of the pressing sleeve (9) at equal intervals;

the ball bearing (12) is clamped and connected to the inner side of the upper end of the pressing sleeve (9) in a non-detachable mode, and a liquid containing cavity (13) formed in the pressing sleeve (9) is formed in the outer side of the ball bearing (12).

2. A wear resistant mechanical seal assembly in accordance with claim 1 wherein: the shaft lever (2) sequentially penetrates through the upper sealing gasket (11), the pressing sleeve (9), the inner sealing gasket (6), the movable ring (5), the fixed ring (4), the lower sealing gasket (3) and the mechanical body (1) from top to bottom, the pressing sleeve (9) is sleeved on the outer sides of the fixed ring (4), the movable ring (5), the inner sealing gasket (6), the push plate (7) and the spring (8), the outer side diameter of the fixed ring (4), the inner sealing gasket (6), the push plate (7) and the spring (8) is the same as the inner side diameter of the pressing sleeve (9), and the fixed ring (4), the movable ring (5), the push plate (7) and the pressing sleeve (9) are formed by wear-resistant ceramic coatings (16) which are sprayed on the stainless steel plate (15) and the stainless steel plate (15).

3. A wear resistant mechanical seal assembly in accordance with claim 1 wherein: lower gasket (3) and upper seal pad (11) all are connected for closely laminating with axostylus axostyle (2), and upper seal pad (11) and compress tightly cover (9) through the mode fixed connection of pasting to the upper surface and the compressing tightly cover (9) of inner seal pad (6) are connected for laminating, and the lower surface and the fixed ring (4) and rotating ring (5) laminating of inner seal pad (6) are connected moreover.

4. A wear resistant mechanical seal assembly in accordance with claim 1 wherein: the lower extreme outside nestification of interior gasket (6) has push pedal (7) of being connected with it laminating, and push pedal (7) are connected with spring (8) with the inboard laminating that compresses tightly cover (9) to spring (8) are located the outside of interior gasket (6), compress tightly cover (9) moreover and pass through screw and mechanical body (1) fixed connection.

5. A wear resistant mechanical seal assembly in accordance with claim 1 wherein: the ball (12) is arranged in a central symmetry mode relative to the pressing sleeve (9), the inner side of the ball (12) is connected with the shaft rod (2) in a fitting mode, and the inner side of the right upper end of the pressing sleeve (9) is in threaded connection with a connecting cover (14) located above Cheng Yeqiang (13).

Images