CN214838395U

CN214838395U - Mechanical sealing element with self-lubricating structure

Info

Publication number: CN214838395U
Application number: CN202120343297.7U
Authority: CN
Inventors: 于红; 李海明; 刘杰
Original assignee: Jiangsu Pufa Rubber And Plastic Products Co ltd
Current assignee: Weiyilin Liaoning Sealing Technology Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-23
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a mechanical seal spare with self-lubricating structure, including rotation axostylus axostyle and heating panel, the outside nested connection of rotation axostylus axostyle has the stationary ring, and the inboard sliding connection of right-hand member of stationary ring has the rotating ring to the left end outside of stationary ring is provided with first sealed pad, the outside of rotating ring is provided with spacing shell, and the inboard close fitting of spacing shell is connected with the sealed pad of second, the sealed left end inboard of filling up of second is provided with the push pedal, and the inboard of the inner of push pedal is inlayed and is connected with the ball, the cavity has been seted up to the outer end of push pedal inside, and the inboard fixedly connected with connecting block in inner of cavity, the heating panel is located the left end inboard of spacing shell, and the right-hand member outside nested connection of spacing shell has the spring. This mechanical seal with self-lubricating structure has self-lubricating structure, and this mechanical seal self-lubricating of being convenient for is effectual to and be convenient for dispel the heat and change the spring, make this mechanical seal's long service life.

Description

Mechanical sealing element with self-lubricating structure

Technical Field

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

Background

The mechanical sealing element is a precise mechanical basic element with a complex structure, is widely applied to equipment such as various pumps, motors, centrifuges, compressors and the like, and is a shaft sealing device for rotary machinery for preventing fluid leakage.

Current mechanical seal spare generally can not have self-lubricating structure, is not convenient for dispel the heat to and be not convenient for change the spring, short service life scheduling problem.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a mechanical seal with self-lubricating structure has self-lubricating structure, and this mechanical seal self-lubricating of being convenient for is effectual to and be convenient for dispel the heat and change the spring, make this mechanical seal's long service life.

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 structure, includes rotation axostylus axostyle and heating panel, the outside nested connection of rotation axostylus axostyle has the stationary ring, and the inboard sliding connection of right-hand member of stationary ring has the rotating ring to the left end outside of stationary ring is provided with first sealed pad, the outside of rotating ring is provided with spacing shell, and the inboard inseparable laminating of spacing shell is connected with the sealed pad of second, the left end inboard that the sealed pad of second is provided with the push pedal, and the inboard embedding of the inner of push pedal is connected with the ball, the cavity has been seted up to the outer end of push pedal inside, and the inboard fixedly connected with connecting block in inner of cavity to the sponge is installed to the upper left end inboard of push pedal, the heating panel is located the left end inboard of spacing shell, and the right-hand member outside nested connection of spacing shell has the spring to the right side laminating of spring is connected with the restriction board.

As the utility model discloses a preferred technical scheme, the rotation axostylus axostyle runs through in the inside of stationary ring, rotating ring, first sealed pad, spacing shell, the sealed pad of second, push pedal and limiting plate, and just first sealed pad and cavity all with the rotation axostylus axostyle closely laminate and be connected to first sealed pad is nested with the stationary ring.

Through adopting above-mentioned technical scheme, because the rotation axostylus axostyle runs through in the inside of stationary ring, rotating ring, first sealed pad, spacing shell, the sealed pad of second, push pedal and limiting plate, first sealed pad and cavity all with the rotation axostylus axostyle be close laminating connection, first sealed pad is nested connection with the stationary ring, be convenient for make this mechanical seal spare possess good sealing performance through first sealed pad and cavity.

As the utility model discloses a preferred technical scheme, the left and right sides of push pedal is connected with the sealed laminating of pad of rotating ring and second respectively, and the ball central symmetry is provided with the multiunit in the push pedal.

Through adopting above-mentioned technical scheme, because the left and right sides of push pedal is connected with the laminating of rotating ring and second sealed pad respectively, the central symmetry is provided with the multiunit in the push pedal for the ball, is convenient for carry on spacingly to the push pedal.

As the utility model discloses an optimal technical scheme, the all protrusion in the internal surface of push pedal of free internal surface of ball, and the ball is connected for the laminating with the rotation axostylus axostyle to the connecting block is connected through the mode of pasting with the push pedal.

Through adopting above-mentioned technical scheme, because the free internal surface of ball all protrudes in the internal surface of push pedal, the ball is connected for the laminating with the rotation axostylus axostyle, consequently is convenient for make this mechanical seal have self-lubricating structure through the ball.

As the utility model discloses a preferred technical scheme, the heating panel is inlayed with spacing shell and is connected, and the heating panel equidistant multiunit that is provided with in spacing shell.

Through adopting above-mentioned technical scheme, because the heating panel is inlayed with spacing shell and is connected, the heating panel is equidistant to be provided with the multiunit in spacing shell, is convenient for dispel the heat through the heating panel consequently.

As the utility model discloses an optimal technical scheme, the left and right sides of spring is connected with spacing shell and limiting plate laminating respectively, and limiting plate and spacing shell constitution extending structure.

Through adopting above-mentioned technical scheme, because the left and right sides of spring is connected with spacing shell and limiting plate laminating respectively, the limiting plate constitutes extending structure with spacing shell, consequently is convenient for carry on spacingly through the spring to rotating ring and stationary ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is symmetrically embedded with a plurality of groups of round beads through the center in the push plate through the arranged rotation shaft lever, the push plate and the round beads, and the round beads are connected with the rotation shaft lever in a laminating way, so that the mechanical sealing element is convenient to have a self-lubricating structure through the arrangement of the round beads;

2. the utility model discloses a push pedal, cavity, connecting block and sponge that set up, through breaking the connection of sponge and push pedal, be convenient for let in lubricating oil to the cavity, and then the connecting block that sets up in the cavity, be convenient for filter the impurity in the lubricating oil, thus it is good to be convenient for this mechanical seal self-lubricating to be effectual;

3. the utility model discloses a heating panel, spring and the limiting plate that set up, through equidistant inlayed heating panel in the spacing shell, be convenient for dispel the heat to the junction of this mechanical seal spare and rotation axis pole to and through the spring about both ends respectively with spacing shell and limiting plate nested connection, be convenient for change the spring, thereby be convenient for make this mechanical seal spare's long service life.

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 front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the limiting shell and the second sealing gasket of the present invention;

fig. 4 is a schematic view of the side-looking section structure of the ball and push plate connection of the present invention.

In the figure: 1. a rotation shaft lever; 2. fixing a ring; 3. a moving ring; 4. a first gasket; 5. a limiting shell; 6. a second gasket; 7. pushing the plate; 8. a ball; 9. a cavity; 10. connecting blocks; 11. a sponge; 12. a heat dissipation plate; 13. a spring; 14. and a limiting plate.

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. 1-4, the present invention provides the following technical solutions: a mechanical sealing element with a self-lubricating structure comprises a rotation shaft lever 1, a fixed ring 2, a movable ring 3, a first sealing gasket 4, a limiting shell 5, a second sealing gasket 6, a push plate 7, a ball 8, a cavity 9, a connecting block 10, a sponge 11, a heat dissipation plate 12, a spring 13 and a limiting plate 14, wherein the outer side of the rotation shaft lever 1 is connected with the fixed ring 2 in an embedded manner, the inner side of the right end of the fixed ring 2 is connected with the movable ring 3 in a sliding manner, the outer side of the left end of the fixed ring 2 is provided with the first sealing gasket 4, the outer side of the movable ring 3 is provided with the limiting shell 5, the inner side of the limiting shell 5 is closely attached and connected with the second sealing gasket 6, the inner side of the left end of the second sealing gasket 6 is provided with the push plate 7, the inner side of the inner end of the push plate 7 is connected with the ball 8 in an embedded manner, the outer end of the push plate 7 is provided with the cavity 9, the inner side of the cavity 9 is fixedly connected with the connecting block 10, and the sponge 11 is arranged on the inner side of the left upper end of the push plate 7, the heat dissipation plate 12 is located on the inner side of the left end of the limiting shell 5, a spring 13 is connected to the outer side of the right end of the limiting shell 5 in a nested mode, and a limiting plate 14 is connected to the right side of the spring 13 in an attached mode.

By adopting the technical scheme, as shown in fig. 1 and 3, before use, firstly, the first sealing gasket 4 which is connected with the fixed ring 2 in a nested manner is penetrated to the outer side of the rotation shaft lever 1, then the movable ring 3 is connected with the fixed ring 2 in a clamped manner, then the ball 8 which is connected with the push plate 7 in a nested manner is connected with the rotation shaft lever 1 in a fitted manner, and the push plate 7 is connected with the movable ring 3 in a fitted manner, then the second sealing gasket 6 which is connected with the limit shell 5 in a nested manner is placed on the outer sides of the movable ring 3 and the push plate 7, then the spring 13 is nested on the outer side of the right end of the limit shell 5, and finally the limiting plate 14 is connected with the spring 13 in a nested manner, so that the mechanical sealing element is installed, as shown in fig. 1, 2 and 4, as a plurality of groups of the balls 8 which are symmetrically embedded in the push plate 7 in the centers of the balls 8, the mechanical sealing element is convenient to have a self-lubricating structure, and can be disconnected with the threads of the push plate 7 through the sponge 11 before installation, lubricating oil is introduced into the cavity 9, so that the lubricating oil is convenient to filter impurities through the connecting block 10 arranged in the cavity 9, and the mechanical sealing element is convenient to have good self-lubricating effect;

as shown in fig. 1 and 3, the heat dissipation plate 12 is inserted into the limit housing 5 at equal intervals to dissipate heat from the connection between the mechanical seal and the rotation shaft 1, and the spring 13 can be removed from the limit housing 5 and the limit plate 14 for replacement after a long period of use, thereby prolonging the service life of the mechanical seal.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Mechanical seal with self-lubricating structure, comprising a rotation shaft (1) and a heat-dissipating plate (12), characterized in that: the outer side of the rotation shaft lever (1) is connected with a fixed ring (2) in an embedded mode, the inner side of the right end of the fixed ring (2) is connected with a movable ring (3) in a sliding mode, a first sealing gasket (4) is arranged on the outer side of the left end of the fixed ring (2), a limiting shell (5) is arranged on the outer side of the movable ring (3), a second sealing gasket (6) is tightly attached to the inner side of the limiting shell (5), a push plate (7) is arranged on the inner side of the left end of the second sealing gasket (6), a round bead (8) is connected to the inner side of the push plate (7) in an embedded mode, a cavity (9) is formed in the outer end of the push plate (7), a connecting block (10) is fixedly connected to the inner side of the cavity (9), a sponge (11) is installed on the inner side of the left upper end of the push plate (7), a heat dissipation plate (12) is located on the inner side of the left end of the limiting shell (5), and a spring (13) is connected to the outer side of the right end of the limiting shell (5) in an embedded mode, and a limiting plate (14) is attached to the right side of the spring (13).

2. A mechanical seal with self-lubricating structure, according to claim 1, characterized in that: the rotation shaft lever (1) penetrates through the fixed ring (2), the movable ring (3), the first sealing gasket (4), the limiting shell (5), the second sealing gasket (6), the push plate (7) and the limiting plate (14), the first sealing gasket (4) and the cavity (9) are tightly attached to the rotation shaft lever (1) and connected with the rotation shaft lever (1), and the first sealing gasket (4) is connected with the fixed ring (2) in a nested mode.

3. A mechanical seal with self-lubricating structure, according to claim 1, characterized in that: the left side and the right side of the push plate (7) are respectively attached to the movable ring (3) and the second sealing gasket (6), and a plurality of groups of round beads (8) are arranged in the push plate (7) in a centrosymmetric manner.

4. A mechanical seal with self-lubricating structure, according to claim 1, characterized in that: the inner surface of each ball (8) is protruded out of the inner surface of the push plate (7), the balls (8) are attached to the rotation shaft rod (1), and the connecting block (10) is connected with the push plate (7) in a sticking mode.

5. A mechanical seal with self-lubricating structure, according to claim 1, characterized in that: the heat dissipation plate (12) is connected with the limiting shell (5) in an embedded mode, and multiple groups of heat dissipation plates (12) are arranged in the limiting shell (5) at equal intervals.

6. A mechanical seal with self-lubricating structure, according to claim 1, characterized in that: the left side and the right side of the spring (13) are respectively attached to the limiting shell (5) and the limiting plate (14), and the limiting plate (14) and the limiting shell (5) form a telescopic structure.