CN215409385U

CN215409385U - Special machine of fan seals

Info

Publication number: CN215409385U
Application number: CN202120986759.7U
Authority: CN
Inventors: 陈细凯
Original assignee: Sichuan Zhongcheng Sealing Member Co ltd
Current assignee: Sichuan Zhongcheng Sealing Member Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-01-04
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a special mechanical seal for a fan, which comprises a mounting seat, wherein the mounting seat is arranged on the outermost side of the mechanical seal, and a first inner hexagonal socket head cap screw is connected in the upper end of the mounting seat in a penetrating manner; the movable ring seat is arranged at the left end of the inner side of the mounting seat, a movable ring body is arranged on the right side of the movable ring seat, and a static ring is arranged on the right side of the movable ring body; the shaft sleeve is arranged on the innermost side of the mounting seat, the whole shaft sleeve is of an annular structure, a first O-shaped sealing ring and a second O-shaped sealing ring are arranged on the inner side of the first inner hexagonal socket head cap screw, and the first O-shaped sealing ring is located on the left side of the second O-shaped sealing ring. This special machine of fan seals through the O type sealing washer that sets up, can strengthen this machine and seal holistic sealed effect, and through the hexagon socket head cap screw that sets up, is convenient for between axle sleeve and the locating piece to and the installation and the dismantlement between locating piece and the mount pad, thereby be convenient for to the maintenance of whole machine seal structure.

Description

Special machine of fan seals

Technical Field

The utility model relates to the technical field of mechanical seal, in particular to a special mechanical seal for a fan.

Background

The fan relies on the mechanical energy of input to improve gas pressure and the machinery of discharge gas, when the fan used, need use corresponding machine to seal the inner structure of fan to guarantee the work efficiency of fan.

However, the existing special mechanical seal for the fan still has certain defects, for example, the existing special mechanical seal for the fan is not good in sealing effect and inconvenient to install and detach when in use, so that the internal structure of the special mechanical seal for the fan is inconvenient to maintain, and therefore the special mechanical seal for the fan is provided so as to solve the problems provided in the above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special fan seal, which aims to solve the problems that most of special fan seals in the background technology have poor sealing effect, and are inconvenient to mount and dismount during use, so that the internal structure of the special fan seal is inconvenient to maintain.

In order to achieve the purpose, the utility model provides the following technical scheme: a special fan seal, comprising:

the mounting seat is arranged on the outermost side of the machine seal, and a first inner hexagonal socket head cap screw penetrates through the interior of the upper end of the mounting seat;

the movable ring seat is arranged at the left end of the inner side of the mounting seat, a movable ring body is arranged on the right side of the movable ring seat, and a static ring is arranged on the right side of the movable ring body;

the shaft sleeve is arranged on the innermost side of the mounting seat, and the whole shaft sleeve is of an annular structure.

Preferably, a first O-ring and a second O-ring are disposed on the inner side of the first socket head cap screw, wherein the first O-ring is located on the left side of the second O-ring.

Preferably, the right side of the shaft sleeve is provided with a positioning block, the upper end of the contact position of the positioning block and the movable ring body is provided with a third O-shaped sealing ring, and the right side of the lower end of the positioning block is provided with a clamping ring.

Preferably, a fourth O-shaped sealing ring is arranged at the contact position of the positioning block and the shaft sleeve, and a fifth O-shaped sealing ring is arranged at the lower end of the contact position of the positioning block and the movable ring body.

Preferably, the positioning block is connected with the shaft sleeve through a second inner hexagonal socket head cap screw, and the positioning block is connected with the mounting seat through a third inner hexagonal socket head cap screw.

Preferably, a spring is arranged between the single bodies below the inner side of the static ring.

Compared with the prior art, the utility model has the beneficial effects that: this special machine of fan seals through the O type sealing washer that sets up, can strengthen this machine and seal holistic sealed effect, and through the hexagon socket head cap screw that sets up, is convenient for between axle sleeve and the locating piece to and the installation and the dismantlement between locating piece and the mount pad, thereby be convenient for to the maintenance of whole machine seal structure.

Drawings

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

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

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

In the figure: 1. a mounting seat; 2. a rotating ring body; 3. a stationary ring; 4. a movable ring seat; 5. a first O-ring seal; 6. a first socket cap head screw; 7. a second O-ring seal; 8. a third O-shaped sealing ring; 9. a collar; 10. a fourth O-shaped sealing ring; 11. a fifth O-shaped sealing ring; 12. a shaft sleeve; 13. a spring; 14. a second socket cap head screw; 15. positioning blocks; 16. and a third hexagon socket cap screw.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-3, a special mechanical seal for a fan includes a mounting base 1, a moving ring body 2, a stationary ring 3, a moving ring base 4, a first O-ring seal 5, a first hexagon socket cap screw 6, a second O-ring seal 7, a third O-ring seal 8, a collar 9, a fourth O-ring seal 10, a fifth O-ring seal 11, a shaft sleeve 12, a spring 13, a second hexagon socket cap screw 14, a positioning block 15, and a third hexagon socket cap screw 16, wherein the shaft sleeve 12 is disposed at the innermost side of the mounting base 1, and the moving ring body 2 and the stationary ring 3 are disposed at the left side of the mounting base 1 respectively;

when the special mechanical seal for the fan is used, the spring 13 is arranged between the static ring 3 monomers, so that the static ring 3 monomers can be installed and disassembled, the installation stability of the static ring 3 monomers is ensured, in addition, the sealing performance between the shaft sleeve 12 and the positioning block 15 and between the movable ring body 2 and the positioning block 15 can be enhanced through the arranged first O-shaped sealing ring 5, the second O-shaped sealing ring 7, the third O-shaped sealing ring 8, the fourth O-shaped sealing ring 10 and the fifth O-shaped sealing ring 11, the sealing performance of the whole structure is further enhanced, and the use efficiency of the mechanical seal is ensured;

in addition, the mounting base 1 is provided with a first inner hexagonal socket head cap screw 6, so that the mounting and dismounting of relevant parts inside the mechanical seal and the fan are facilitated, a second inner hexagonal socket head cap screw 14 is arranged at the joint of the shaft sleeve 12 and the positioning block 15, and a third inner hexagonal socket head cap screw 16 is arranged between the mounting base 1 and the positioning block 15, so that the mounting base 1, the shaft sleeve 12 and the positioning block 15 can be dismounted and assembled more conveniently.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a special machine of fan seals which characterized in that includes:

the mounting seat (1) is arranged on the outermost side of the machine seal, and a first inner hexagonal socket head cap screw (6) penetrates through the inner part of the upper end of the mounting seat (1);

the movable ring seat (4) is arranged at the left end of the inner side of the mounting seat (1), the movable ring body (2) is mounted on the right side of the movable ring seat (4), and the static ring (3) is mounted on the right side of the movable ring body (2);

the bearing comprises a shaft sleeve (12), wherein the shaft sleeve (12) is arranged on the innermost side of the mounting seat (1), and the whole shaft sleeve (12) is of an annular structure.

2. The special mechanical seal for the fan according to claim 1, wherein: the inner side of the first inner hexagonal socket head cap screw (6) is provided with a first O-shaped sealing ring (5) and a second O-shaped sealing ring (7), wherein the first O-shaped sealing ring (5) is positioned on the left side of the second O-shaped sealing ring (7).

3. The special mechanical seal for the fan according to claim 1, wherein: a positioning block (15) is installed on the right side of the shaft sleeve (12), a third O-shaped sealing ring (8) is arranged at the upper end of the contact position of the positioning block (15) and the movable ring body (2), and a clamping ring (9) is arranged on the right side of the lower end of the positioning block (15).

4. The special mechanical seal for the fan according to claim 3, wherein: a fourth O-shaped sealing ring (10) is arranged at the contact position of the positioning block (15) and the shaft sleeve (12), and a fifth O-shaped sealing ring (11) is arranged at the lower end of the contact position of the positioning block (15) and the movable ring body (2).

5. The special mechanical seal for the fan according to claim 4, wherein: the positioning block (15) is connected with the shaft sleeve (12) through a second inner hexagonal socket head cap screw (14), and the positioning block (15) is connected with the mounting seat (1) through a third inner hexagonal socket head cap screw (16).

6. The special mechanical seal for the fan according to claim 4, wherein: and a spring (13) is arranged between the single bodies below the inner side of the static ring (3).