CN213541292U

CN213541292U - Moving ring device for mechanical seal

Info

Publication number: CN213541292U
Application number: CN202022256647.4U
Authority: CN
Inventors: 李学辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-25
Anticipated expiration: 2030-10-12

Abstract

The utility model belongs to the mechanical seal field, especially, a rotating ring device for mechanical seal wastes time and labor and takes materials to current mechanical seal structure production, and the installation is inconvenient, can not adapt to the problem of the positioning deviation adjustment that the machine sealed warp and go on during maintenance, now proposes following scheme, and it includes four positioning bolt, lock ring semi-ring, machine gland, nanometer wadding, bistrique, compensating ring, spring, supplementary axle sleeve and unsteady O type circle, machine gland cover is established on supplementary axle sleeve, and nanometer wadding all installs on machine gland, and the bistrique cover is established on supplementary axle sleeve, and the compensating ring is installed on supplementary axle sleeve, and the one end and the compensating ring of spring contact. The utility model discloses a rational in infrastructure, this structure labour saving and time saving economizes the material when production, simple to operate can in good time adjust the locating position, and can adapt to the machine and seal the positioning deviation adjustment that warp and go on when maintaining.

Description

Moving ring device for mechanical seal

Technical Field

The utility model relates to a mechanical seal technical field especially relates to a rotating ring device for mechanical seal.

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. For example, a centrifugal pump, a centrifuge, a reaction kettle, a compressor and other equipment, because a transmission shaft penetrates through the inside and the outside of the equipment, a circumferential gap exists between the shaft and the equipment, a medium in the equipment leaks outwards through the gap, if the pressure in the equipment is lower than the atmospheric pressure, air leaks into the equipment, and therefore a shaft seal device for preventing the leakage is required to be arranged, and in a dynamic ring device for mechanically sealing a rotating shaft of the pump, a friction dynamic ring, a floating seal ring and the shaft are radially distributed;

however, the existing mechanical sealing structure is time-consuming, labor-consuming and material-consuming in production, inconvenient to install and incapable of adapting to positioning deviation adjustment of mechanical seal deformation in maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the mechanical seal structure is time-consuming, labor-consuming and material-consuming during production, is inconvenient to install, cannot adapt to the defect of positioning deviation adjustment of mechanical seal deformation during maintenance, and provides a rotating ring device for mechanical seal.

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

the utility model provides a rotating ring device for mechanical seal, includes positioning bolt, lock ring semi-ring, machine gland, nanometer soft filler, bistrique, compensating ring, spring, supplementary axle sleeve and unsteady O type circle, the machine gland cover is established on supplementary axle sleeve, and nanometer soft filler installs on machine gland, and the bistrique is installed on supplementary axle sleeve, and the compensating ring is installed on supplementary axle sleeve, and the one end and the compensating ring of spring contact, and the other end and the supplementary axle sleeve of spring contact, unsteady O type circle is installed on supplementary axle sleeve, and lock ring semi-ring is installed on supplementary axle sleeve, and four positioning bolt install on lock ring semi-ring, and the one side at the lock ring is installed to the one end of four positioning bolt.

Preferably, a through hole is formed in one side of the tightening half ring, and the positioning bolt is rotatably installed in the through hole.

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

according to the scheme, the tightening semi-ring is fixedly sleeved on the left side of the auxiliary shaft sleeve, the tightness of the spring is adjusted by adjusting the positioning bolt, the positioning bolt is screwed, and one end of the positioning bolt presses the machine sealing cover, so that the nano soft packing, the grinding head, the compensation ring, the spring and the floating O-shaped ring move rightwards, and the rotation is stopped until the right side of the compensation ring moves to a position 2-3mm away from a step of the auxiliary shaft sleeve, namely the proper position is reached;

the utility model discloses a rational in infrastructure, this structure labour saving and time saving economizes the material when production, simple to operate can in good time adjust the locating position, and can adapt to the machine and seal the positioning deviation adjustment that warp and go on when maintaining.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

In the figure: 1. positioning the bolt; 2. a tightening half ring; 3. a mechanical seal gland; 4. nano soft filler; 5. grinding heads; 6. a compensation ring; 7. a spring; 8. an auxiliary shaft sleeve; 9. a floating O-ring.

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.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1, a rotating ring device for mechanical seal, including four positioning bolts 1, the tight hoop semi-ring 2, the mechanical seal gland 3, the nanometer soft packing 4, the bistrique 5, the compensating ring 6, the spring 7, the auxiliary shaft sleeve 8 and the O type circle 9 that floats, the mechanical seal gland 3 cover is established on the auxiliary shaft sleeve 8, the nanometer soft packing 4 is installed on the mechanical seal gland 3, the bistrique 5 is installed on the auxiliary shaft sleeve 8, the compensating ring 6 is installed on the auxiliary shaft sleeve 8, the one end of spring 7 contacts with the compensating ring 6, the other end of spring 7 contacts with the auxiliary shaft sleeve 8, the O type circle 9 that floats is installed on the auxiliary shaft sleeve 8, the tight hoop semi-ring 2 is installed on the auxiliary shaft sleeve 8, four positioning bolts 1 are installed on the tight hoop semi-ring 2, one end of four positioning bolts 1 is.

In this embodiment, a through hole is formed in one side of the tightening half ring 2, and the positioning bolt 1 is rotatably installed in the through hole.

In the embodiment, the tightening half ring 2 is fixedly sleeved on the left side of the auxiliary shaft sleeve, the tightness of the spring 7 is adjusted by adjusting the positioning bolt 1, so that the grinding head 5 is fully contacted with the nano soft packing 4 in the mechanical sealing cover 3 to form a perfect sealing friction pair, the positioning bolt 1 is screwed, one end of the positioning bolt 1 presses the mechanical sealing cover 3, so that the nano soft packing 4, the grinding head 5, the compensation ring 6, the spring 7 and the floating O-shaped ring 9 move rightwards until the right side of the compensation ring 6 moves to a position 2-3mm away from the step of the auxiliary shaft sleeve, and the rotation is stopped, namely the proper position is reached.

The utility model discloses the technological progress that prior art obtained relatively is: the utility model discloses a rational in infrastructure, this structure labour saving and time saving economizes the material when production, simple to operate can in good time adjust the locating position, and can adapt to the machine and seal the positioning deviation adjustment that warp and go on when maintaining.

Claims

1. A movable ring device for mechanical sealing comprises two positioning bolts (1), a tightening semi-ring (2), a mechanical sealing cover (3), a nanometer soft packing (4), a grinding head (5), a compensation ring (6), a spring (7), an auxiliary shaft sleeve (8) and a floating O-shaped ring (9), and is characterized in that the mechanical sealing cover (3) is sleeved on the auxiliary shaft sleeve (8), the nanometer soft packing (4) is installed on the mechanical sealing cover (3), the grinding head (5) is installed on the auxiliary shaft sleeve and is contacted with the nanometer soft packing (4), the compensation ring (6) is installed on the auxiliary shaft sleeve (8), one end of the spring (7) is contacted with the compensation ring (6), the other end of the spring (7) is contacted with the auxiliary shaft sleeve (8), the floating O-shaped ring (9) is installed on the auxiliary shaft sleeve (8), the tightening semi-ring (2) is installed on the auxiliary shaft sleeve (8), four positioning bolts (1) are arranged on the tightening half ring (2), and one ends of the four positioning bolts (1) are arranged on one side of the machine seal gland (3).

2. The rotating ring device for mechanical seal of claim 1, wherein the tightening half ring (2) is provided with a through hole at one side, and the positioning bolt (1) is rotatably installed in the through hole.