CN215410178U

CN215410178U - Double-layer sealing mechanism of reaction kettle stirring tank

Info

Publication number: CN215410178U
Application number: CN202120194220.8U
Authority: CN
Inventors: 邵仁斌
Original assignee: Tianchang Zhenghao Pump Valve Machinery Co ltd
Current assignee: Tianchang Zhenghao Pump Valve Machinery Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2022-01-04
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a double-layer sealing mechanism of a stirring tank of a reaction kettle, which comprises a metal static ring, wherein a rotating shaft penetrates through the middle of one side of the metal static ring, fixed ribbed plates are fixedly arranged on the periphery of the outer side of the metal static ring, six cylindrical pins are uniformly and fixedly arranged on the periphery of the end surface of one side of each fixed ribbed plate, a sealing cavity shell is fixedly arranged on one side of each fixed ribbed plate, a sealing cavity is arranged on the inner side of the sealing cavity shell, a metal moving ring A is fixedly arranged on one side inside the sealing cavity, a metal moving ring B is fixedly arranged on one side of the metal moving ring A, and four fixing grooves are fixedly arranged on the peripheries of one sides of the metal moving ring A and the metal moving ring B. According to the utility model, the four fixing grooves are uniformly and fixedly arranged on the metal movable ring A and the metal movable ring B, and the spring can be fixed by the fixing grooves, so that the connectivity between the metal movable ring A and the metal movable ring B is improved.

Description

Double-layer sealing mechanism of reaction kettle stirring tank

Technical Field

The utility model relates to the technical field of mechanical sealing, in particular to a double-layer sealing mechanism of a reaction kettle stirring tank.

Background

With the rapid development of social economy, the application of mechanical sealing technology is increasingly wide, and the mechanical seal is a shaft seal device of rotating machinery. Such as centrifugal pumps, centrifuges, reaction kettles, compressors, and the like. The transmission shaft penetrates through the inside and outside of the equipment, so that 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, a shaft seal device for preventing leakage is required, the shaft seal device has a plurality of types, and the mechanical seal is the most important shaft seal mode in the equipment in the world due to the advantages of small leakage amount, long service life and the like.

However, most of the existing mechanical sealing technologies are connected by bolts and nuts, which greatly improves the time consumption of the installation, thereby reducing the efficiency of the installation and disassembly; because of the structure as an organic whole mostly for each part can't carry out effectual change after damaging. Therefore, the existing requirements are not met, and a double-layer sealing mechanism of a stirring tank of a reaction kettle is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-layer sealing mechanism of a stirring tank of a reaction kettle, which aims to solve the problems that bolt and nut connection is provided in the background technology, so that the time consumption of the installation is greatly improved, the efficiency of the installation and disassembly is reduced, and each part cannot be effectively replaced after being damaged due to an integrated structure.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-layer sealing mechanism of a reaction kettle stirring tank comprises a metal static ring, wherein a rotating shaft is installed in the middle of one side of the metal static ring in a penetrating mode, fixed rib plates are fixedly installed on the periphery of the outer side of the metal static ring, six cylindrical pins are uniformly and fixedly installed on the periphery of one side end face of each fixed rib plate, a sealed cavity shell is fixedly installed on one side of each fixed rib plate, a sealed cavity is arranged on the inner side of the sealed cavity shell, a metal moving ring A is fixedly installed on one side inside the sealed cavity, a metal moving ring B is fixedly installed on one side of the metal moving ring A, four fixing grooves are fixedly arranged on the periphery of one side of the metal moving ring A and one side of the metal moving ring B, a spring is fixedly welded between the two fixing grooves, an installation cavity is arranged inside one side of the sealed cavity shell, a fixing frame is welded at the bottom end inside the installation cavity, and a metal elastic clamping ring is fixedly welded at the upper end of the fixing frame, the sealing cavity is characterized in that two clamping grooves are fixedly formed in the periphery of one side of the cylindrical pin, an O-shaped rubber ring is fixedly clamped between the upper end of one side of the metal static ring and one side of the inner wall of the sealing cavity shell, a groove is fixedly formed between the lower end of the fixed rib plate and the upper end of the outer wall of the metal static ring, and a gasket is fixedly clamped in the groove.

Preferably, the fixed rib plate and the sealed cavity shell are inserted, installed and connected through a cylindrical pin, and the end face of one side of the metal movable ring A is in contact connection with the end face of the inner side of the metal static ring.

Preferably, the spring is located in a fixed groove on the metal movable ring A and a fixed groove on the metal movable ring B, and the metal movable ring A and the metal movable ring B are fixedly welded and connected through the spring.

Preferably, one side of the inner wall of the sealed cavity shell is provided with a sliding groove, one end of the fixing groove is located in the sliding groove at the upper end of the sealed cavity shell, and the rotating shaft is located on the inner side of the metal moving ring A and the metal moving ring B.

Preferably, six cylindrical grooves are fixedly formed in the periphery of one side of the fixed rib plate, and the cylindrical pins are located in the cylindrical grooves in the upper end of the fixed rib plate.

Preferably, the metal elastic snap ring is located in the clamping groove, the cylindrical pin and the sealed cavity shell are fixedly clamped and connected through the metal elastic snap ring, and the fixing frame and the metal elastic snap ring are fixedly connected through welding.

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

1. according to the utility model, the four fixing grooves are uniformly and fixedly arranged on the movable metal ring A and the movable metal ring B, and the springs can be fixed by the fixing grooves, so that the connectivity between the movable metal ring A and the movable metal ring B is improved, and the springs can be directly detached from the fixing grooves, so that the maintenance and the quick replacement of parts in a sealing cavity are facilitated, meanwhile, the elasticity of the movable metal ring A is greatly improved by the installation of the four springs, and the movable metal ring A is facilitated to push the stationary metal ring to move to one side;

2. according to the utility model, the cylindrical pin is fixedly inserted and installed on the sealed cavity shell and the fixed rib plate, the cylindrical pin is beneficial to the connection and fixation between the fixed rib plate and the sealed cavity shell, the installation cavity is arranged in the sealed cavity shell at one side of the fixed rib plate, the fixed frame and the metal elastic snap ring are fixedly welded in the installation cavity, the metal elastic snap ring can be fixed in the installation cavity by the fixed frame, the upper end of the installation cavity can be fixed in the metal elastic snap ring at one side of the cylindrical pin by the elasticity of the installation cavity, and the installation cavity can greatly limit the transverse movement of the cylindrical pin, so that the fixed connection effect of the cylindrical pin on the fixed rib plate and the sealed cavity shell is further improved;

drawings

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

FIG. 2 is an elevational, partially cut-away view of the utility model in its entirety;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

in the figure: 1. a rotating shaft; 2. fixing the rib plate; 3. sealing the cavity housing; 4. a cylindrical pin; 5. a metal stationary ring; 6. a metal movable ring A; 7. fixing grooves; 8. a spring; 9. a mounting cavity; 10. a fixed mount; 11. a metal elastic snap ring; 12. a card slot; 13. a groove; 14. a gasket; 15. an O-shaped rubber ring; 16. a metal movable ring B; 17. the chamber is sealed.

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 of the embodiments.

Referring to fig. 1 to 3, an embodiment of the present invention includes: a double-layer sealing mechanism of a reaction kettle stirring tank comprises a metal static ring 5, a rotating shaft 1 is installed in the middle of one side of the metal static ring 5 in a penetrating mode, a fixed ribbed plate 2 is fixedly installed on the periphery of the outer side of the metal static ring 5, six cylindrical pins 4 are uniformly and fixedly installed on the periphery of the end face of one side of the fixed ribbed plate 2, a sealing cavity shell 3 is fixedly installed on one side of the fixed ribbed plate 2, a sealing cavity 17 is arranged on the inner side of the sealing cavity shell 3, a metal moving ring A6 is fixedly installed on one side inside the sealing cavity 17, a metal moving ring B16 is fixedly installed on one side of the metal moving ring A6, four fixing grooves 7 are fixedly installed on the periphery of one sides of the metal moving ring A6 and the metal moving ring B16, springs 8 are fixedly welded between the two fixing grooves 7, an installation cavity 9 is arranged inside one side of the sealing cavity shell 3, a fixing frame 10 is welded at the bottom end inside the installation cavity 9, a metal elastic snap ring 11 is fixedly welded at the upper end of the fixing frame 10, two clamping grooves 12 are fixedly arranged on the periphery of one side of the cylindrical pin 4, an O-shaped rubber ring 15 is fixedly clamped between the upper end of one side of the metal static ring 5 and one side of the inner wall of the sealed cavity shell 3, a groove 13 is fixedly arranged between the lower end of the fixed ribbed plate 2 and the upper end of the outer wall of the metal static ring 5, and a gasket 14 is fixedly clamped in the groove 13.

Furthermore, the fixed ribbed plate 2 and the sealed cavity shell 3 are inserted, installed and connected through the cylindrical pin 4, the end face of one side of the metal movable ring A6 is in contact connection with the end face of the inner side of the metal static ring 5, and the cylindrical pin 4 can greatly improve the fixed connection effect between the fixed ribbed plate 2 and the sealed cavity shell 3.

Further, the spring 8 is positioned in the fixed groove 7 on the movable metal ring A6 and the movable metal ring B16, the movable metal ring A6 and the movable metal ring B16 are fixedly welded and connected through the spring 8, and the fixed groove 7 is favorable for fixing the spring 8.

Further, one side of the inner wall of the sealed cavity outer shell 3 is provided with a sliding groove, one end of the fixing groove 7 is positioned in the sliding groove at the upper end of the sealed cavity outer shell 3, the rotating shaft 1 is positioned at the inner side of the metal moving ring A6 and the metal moving ring B16, and the sliding groove at one side of the sealed cavity outer shell 3 is beneficial to limiting and fixing the metal moving ring B16.

Furthermore, six cylindrical grooves are fixedly arranged on the periphery of one side of the fixed rib plate 2, the cylindrical pin 4 is positioned in the cylindrical groove at the upper end of the fixed rib plate 2, and the six cylindrical grooves on one side of the fixed rib plate 2 can improve the fixing connection effect of the cylindrical pin 4.

Further, the metal elastic clamping ring 11 is located in the clamping groove 12, the cylindrical pin 4 and the sealed cavity shell 3 are fixedly clamped and connected through the metal elastic clamping ring 11, the fixing frame 10 and the metal elastic clamping ring 11 are fixedly connected through welding, and the metal elastic clamping ring 11 can limit the transverse movement capacity of the cylindrical pin 4.

The working principle is as follows: when the device is used, the cylindrical pin 4 is fixedly inserted into the cylindrical grooves on the sealing cavity shell 3 and the fixed rib plate 2, so that the connection and fixation between the fixed rib plate 2 and the sealing cavity shell 3 are facilitated, the installation cavity 9 is arranged in the sealing cavity shell 3 on one side of the fixed rib plate 2, the installation cavity 9 is internally and fixedly welded with the fixed frame 10 and the metal elastic snap ring 11, the metal elastic snap ring 11 can be fixed in the installation cavity 9 by the fixed frame 10, the upper end of the installation cavity 9 can be fixed in the metal elastic snap ring 11 on one side of the cylindrical pin 4 by the elasticity of the installation cavity 9, the installation cavity 9 can greatly limit the transverse movement of the cylindrical pin 4, and the fixed connection effect of the cylindrical pin 4 on the fixed rib plate 2 and the sealing cavity shell 3 is further improved; evenly fixed four fixed slots 7 that set up on metal rotating ring A6 and metal rotating ring B16, fixed slot 7 can be fixed with spring 8, thereby improve the connectivity between metal rotating ring A6 and the metal rotating ring B16, and spring 8 can follow the direct dismantlement in the fixed slot 7, four spring 8's installation is very big simultaneously has improved metal rotating ring A6's elasticity, be favorable to metal rotating ring A6 to promote the quiet ring 5 of metal to the side motion, this has realized overhauing and quick replacement to a part in the seal chamber 17.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a double-deck sealing mechanism of reation kettle agitator tank, includes quiet ring of metal (5), its characterized in that: the rotary shaft is characterized in that a rotary shaft (1) is installed in the middle of one side of the static metal ring (5) in a penetrating mode, fixed rib plates (2) are fixedly installed on the periphery of the outer side of the static metal ring (5), six cylindrical pins (4) are uniformly and fixedly installed on the periphery of one side end face of each fixed rib plate (2), a seal cavity shell (3) is fixedly installed on one side of each fixed rib plate (2), a seal cavity (17) is arranged on the inner side of the seal cavity shell (3), a metal moving ring A (6) is fixedly installed on one side of the inside of the seal cavity (17), a metal moving ring B (16) is fixedly installed on one side of the metal moving ring A (6) and the metal moving ring B (16), four fixing grooves (7) are fixedly arranged on the periphery of the one side of the metal moving ring A (6) and the other side of the metal moving ring B (16), springs (8) are fixedly welded between the fixing grooves (7), and an installation cavity (9) is arranged inside of one side of the seal cavity shell (3), the bottom welding in installation cavity (9) has mount (10), the fixed welding in upper end of mount (10) has metal elasticity snap ring (11), equal fixed two draw-in grooves (12) that are provided with all around of cylindric lock (4) one side, be fixed between the upper end of metal quiet ring (5) one side and one side of seal chamber shell (3) inner wall and clamp O type rubber circle (15), be fixed between the lower extreme of fixed floor (2) and the upper end of metal quiet ring (5) outer wall and be provided with recess (13), recess (13) internal fixation card is equipped with gasket (14).

2. The double-layer sealing mechanism of the stirring tank of the reaction kettle as claimed in claim 1, wherein: the fixed rib plate (2) and the sealed cavity shell (3) are inserted, installed and connected through a cylindrical pin (4), and the end face of one side of the metal movable ring A (6) is in contact connection with the end face of the inner side of the metal static ring (5).

3. The double-layer sealing mechanism of the stirring tank of the reaction kettle as claimed in claim 1, wherein: the spring (8) is positioned in a fixing groove (7) on the metal moving ring A (6) and the metal moving ring B (16), and the metal moving ring A (6) and the metal moving ring B (16) are fixedly welded and connected through the spring (8).

4. The double-layer sealing mechanism of the stirring tank of the reaction kettle as claimed in claim 1, wherein: one side of the inner wall of the seal cavity shell (3) is provided with a sliding groove, one end of the fixing groove (7) is positioned in the sliding groove at the upper end of the seal cavity shell (3), and the rotating shaft (1) is positioned at the inner side of the metal moving ring A (6) and the metal moving ring B (16).

5. The double-layer sealing mechanism of the stirring tank of the reaction kettle as claimed in claim 1, wherein: six cylindrical grooves are fixedly arranged on the periphery of one side of the fixed rib plate (2), and the cylindrical pin (4) is located in the cylindrical groove at the upper end of the fixed rib plate (2).

6. The double-layer sealing mechanism of the stirring tank of the reaction kettle as claimed in claim 1, wherein: the metal elastic clamping ring (11) is located in the clamping groove (12), the cylindrical pin (4) and the sealed cavity shell (3) are fixedly clamped and connected through the metal elastic clamping ring (11), and the fixing frame (10) and the metal elastic clamping ring (11) are fixedly connected through welding.