CN217003083U

CN217003083U - Mechanical seal of high-shear emulsifying machine

Info

Publication number: CN217003083U
Application number: CN202220033078.3U
Authority: CN
Inventors: 夏灏
Original assignee: Zhejiang Cardiff Intelligent Technology Co ltd
Current assignee: Zhejiang Cardiff Intelligent Technology Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-19
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a mechanical seal of a high-shear emulsifying machine, which comprises a shaft sleeve, a first movable ring, a second movable ring, a first static ring and a second static ring, wherein the first movable ring is arranged on the shaft sleeve; the spindle sleeve is fixedly sleeved on the spindle, the shaft holder is fixedly sleeved on the spindle sleeve, a movable ring seat is integrally formed at the left end of the spindle sleeve, a first movable ring is arranged at the right end of the movable ring seat, and a first fixing pin is arranged between the first movable ring and the movable ring seat to prevent the first movable ring from rotating; a second movable ring is arranged at the left end of the shaft embracing device, and a second fixed pin is arranged between the second movable ring and the shaft embracing device to prevent the second movable ring from rotating; the utility model ensures that no leakage occurs between the relatively static parts through the sealing ring; meanwhile, springs are arranged on one sides of the two static rings respectively and used for generating pressing force, keeping the movable rings and the end faces of the static rings in close contact, and meanwhile, the springs can play a role in buffering and are used for compensating the problem that the end faces caused by the displacement of the rotating shaft are not attached enough.

Description

Mechanical seal of high-shear emulsifying machine

Technical Field

The utility model relates to a mechanical seal, in particular to a mechanical seal of a high-shear emulsifying machine.

Background

The mechanical seal is a shaft seal device of a rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, and compressors. Since the drive shaft extends through the inside and outside of the apparatus, there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks out, and if the pressure in the apparatus is lower than atmospheric pressure, air leaks into the apparatus, so that a shaft seal device must be provided to prevent leakage. The shaft seal has many kinds, and the mechanical seal has the advantages of small leakage amount, long service life and the like, so the mechanical seal is the most important shaft sealing mode in the devices in the world.

In the mechanical seal of the existing emulsifying machine, due to the axial movement of the stirring shaft, the step surface of the shaft sleeve static ring of the mechanical seal collides with the shoulder step of the mechanical seal seat to a certain extent, so that the surface of the shaft sleeve static ring is easily damaged, and the overall sealing performance of the mechanical seal device is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a mechanical seal for a high shear emulsifying machine to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the high-shear emulsifying machine mechanical seal comprises a shaft sleeve, a first movable ring, a second movable ring, a first static ring and a second static ring; the spindle sleeve is fixedly sleeved on the spindle, the shaft holder is fixedly sleeved on the spindle sleeve, a movable ring seat is integrally formed at the left end of the spindle sleeve, a first movable ring is arranged at the right end of the movable ring seat, and a first fixing pin is arranged between the first movable ring and the movable ring seat to prevent the first movable ring from rotating; a second movable ring is arranged at the left end of the shaft embracing device, and a second fixing pin is arranged between the second movable ring and the shaft embracing device to prevent the second movable ring from rotating;

the fixed ring seat is sleeved on the shaft sleeve, a first fixed ring and a second fixed ring are respectively arranged at the left end and the right end of the fixed ring seat, the first fixed ring is abutted against the first movable ring, a third fixed pin is arranged between the first fixed ring and the left end of the fixed ring seat to limit the rotation of the first fixed ring, and a first spring is further arranged between the first fixed ring and the left end of the fixed ring seat; the left end fixed mounting of second quiet ring is on the spring holder, and the right-hand member at quiet ring seat is installed to the spring holder, still be equipped with the second spring between spring holder and the quiet ring seat, second quiet ring and second rotating ring butt.

Furthermore, the right-hand member of quiet ring seat has been seted up and has been supplied the spring seat to install at the mounting groove, and the lateral wall fixed mounting of mounting groove has the spacer pin, and the spacing groove with the spacer pin adaptation is seted up to the left end of the lateral wall of spring holder simultaneously.

Furthermore, a clamping ring is arranged at the right end of the shaft embracing device and the shaft sleeve to prevent the shaft embracing device from moving axially.

Further, a first sealing ring is arranged between the shaft sleeve and the main shaft; a second sealing ring is arranged between the shaft embracing device and the shaft sleeve.

Furthermore, a third sealing ring is arranged between the movable ring seat and the first movable ring.

Furthermore, a fourth sealing ring is arranged between the second movable ring and the shaft embracing device.

Compared with the prior art, the utility model has the beneficial effects that: the sealing ring ensures that no leakage occurs between relatively static parts; meanwhile, springs are arranged on one side of each of the two static rings and used for generating pressing force, keeping the end faces of the movable ring and the static rings in close contact, and meanwhile, the springs can play a role in buffering and are used for compensating the problem that the end faces are not attached enough due to the displacement of the rotating shaft.

Drawings

FIG. 1 is a schematic diagram of the structure of a mechanical seal of a high shear emulsifier.

Figure 2 is a schematic of the structure at a in the mechanical seal of the high shear emulsifier.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

Referring to fig. 1-2, the high shear emulsifying machine mechanical seal includes a shaft sleeve 1, a first movable ring 7, a second movable ring 11, a first stationary ring 15 and a second stationary ring 16; the spindle sleeve 1 is fixedly sleeved on the spindle 2, the spindle embracing device 3 is fixedly sleeved on the spindle sleeve 1, a moving ring seat 6 is integrally formed at the left end of the spindle sleeve 1, a first moving ring 7 is arranged at the right end of the moving ring seat 6, and a first fixing pin 9 is arranged between the first moving ring 7 and the moving ring seat 6 to prevent the first moving ring 7 from rotating; a second movable ring 11 is arranged at the left end of the shaft embracing device 3, and a second fixed pin 13 is arranged between the second movable ring 11 and the shaft embracing device 3 to prevent the second movable ring 11 from rotating;

the static ring seat 14 is sleeved on the shaft sleeve 1, a first static ring 15 and a second static ring 16 are respectively arranged at the left end and the right end of the static ring seat 14, the first static ring 15 is abutted against the first movable ring 7, a third fixing pin 18 is arranged between the first static ring 15 and the left end of the static ring seat 14 to limit the rotation of the first static ring 15, and a first spring 19 is further arranged between the first static ring 15 and the left end of the static ring seat 14; the left end of the second stationary ring 16 is fixedly arranged on a spring seat 17, the spring seat 17 is arranged at the right end of the stationary ring seat 14, a second spring 20 is further arranged between the spring seat 17 and the stationary ring seat 14, and the second stationary ring 16 is abutted against the second movable ring 11;

the right end of the static ring seat 14 is provided with a spring seat 17 which is arranged in an installation groove 21, the side wall of the installation groove 21 is fixedly provided with a limit pin 22, and the left end of the side wall of the spring seat 17 is provided with a limit groove 23 matched with the limit pin 22; the matching of the limiting pin 22 and the limiting groove 23 enables the spring seat 17 and the second stationary ring 16 to only move axially but not rotate;

further, a first sealing ring 4 is arranged between the shaft sleeve 1 and the main shaft 2, and a clamping ring 5 is arranged at the right end of the shaft holding device 3 and the shaft sleeve 1 to prevent the shaft holding device 3 from moving axially; a second sealing ring 10 is arranged between the shaft embracing device 3 and the shaft sleeve 1;

further, a third sealing ring 8 is arranged between the movable ring seat 6 and the first movable ring 7;

further, a fourth sealing ring 12 is arranged between the second movable ring 11 and the shaft embracing device 3.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Claims

1. The high-shear emulsifying machine mechanical seal comprises a shaft sleeve, a first movable ring, a second movable ring, a static ring seat, a first static ring and a second static ring; the spindle is characterized in that the spindle sleeve is fixedly sleeved on the spindle, the spindle sleeve is fixedly sleeved with the spindle embracing device, the left end of the spindle sleeve is integrally formed with a movable ring seat, the right end of the movable ring seat is provided with a first movable ring, and a first fixing pin is arranged between the first movable ring and the movable ring seat to prevent the first movable ring from rotating; a second movable ring is arranged at the left end of the shaft embracing device, and a second fixing pin is arranged between the second movable ring and the shaft embracing device to prevent the second movable ring from rotating;

2. The high shear emulsifying machine mechanical seal according to claim 1, wherein the right end of the stationary ring seat is provided with a spring seat to be mounted in the mounting groove, the side wall of the mounting groove is fixedly provided with a limit pin, and the left end of the side wall of the spring seat is provided with a limit groove adapted to the limit pin.

3. The high shear emulsifier mechanical seal of claim 1, wherein the right end of the shaft catcher and the shaft sleeve are provided with a snap ring to prevent axial movement of the shaft catcher.

4. The high shear emulsifier mechanical seal of claim 1, wherein a first seal ring is disposed between the shaft sleeve and the main shaft; a second sealing ring is arranged between the shaft embracing device and the shaft sleeve.

5. The high shear emulsifier mechanical seal of claim 1, wherein a third seal ring is disposed between the rotating ring seat and the first rotating ring.

6. The high shear emulsifier mechanical seal of claim 1, wherein a fourth seal ring is disposed between the second rotating ring and the shaft holder.