CN217463214U

CN217463214U - Discharging sealing assembly

Info

Publication number: CN217463214U
Application number: CN202221596494.0U
Authority: CN
Inventors: 温正坤; 谭爱平; 杨师; 尹镇培
Original assignee: Guangdong Zhongda Intelligent Technology Co Ltd
Current assignee: Guangdong Zhongda Intelligent Technology Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-09-20
Anticipated expiration: 2032-06-23

Abstract

The utility model relates to a sealed technical field, concretely relates to ejection of compact seal assembly, it is installed in the main part, including installing tighrening ring in the main part, installing the tighrening ring keeps away from the sealing ring and the sealing washer of main part one side, the sealing ring is established through its snare the outer lane of fastening portion of compressing tightly, the sealing ring with fastening portion sliding connection compresses tightly, the sealing ring can be to being close to or keeping away from the direction of tighrening ring removes, circle of sealing ring is provided with the sealing filler. When the space appears in wearing and tearing when sealing filler, only need to apply a power that is close to the tighrening ring direction to the sealing ring and make sealing ring move to the direction of tighrening ring for install the sealing filler extrusion in sealing ring, the clearance that appears owing to wearing and tearing can be refilled to the extruded sealing filler, need not to change seal assembly frequently, thereby it wastes time and energy and complex operation's problem to improve among the correlation technique to maintain mechanical subject leakproofness.

Description

Discharging sealing assembly

Technical Field

The utility model relates to a sealed technical field, concretely relates to ejection of compact seal assembly.

Background

The sealing assembly is widely applied to shaft seals of various discharging main equipment such as centrifugal pumps, compressors, vacuum pumps, mixers and the like as a common sealing device, the sealing assembly is filled with filler, and after the sealing assembly is installed on the mechanical main equipment, the filler is pressed on the surface of a shaft by pressing the sealing assembly, so that sealing is realized.

After the sealing assembly is used for a long time, the filler in the sealing assembly is abraded, namely, a gap can be formed between the filler and the shaft, the sealing performance of mechanical main body equipment can be affected at the moment, and sealed liquid can be leaked out in a severe case. Therefore, the sealing assembly needs to be replaced regularly to maintain the sealing performance, but the regular replacement method needs to frequently detach the sealing assembly from the shaft, which is time-consuming, labor-consuming and tedious in operation.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in improving and maintaining the problem that the frequent change seal assembly of mechanical subject leakproofness needs to waste time and energy and complex operation in the correlation technique to a ejection of compact seal assembly is provided.

The utility model provides a discharge sealing assembly, installs in the main part, including installing the tighrening ring in the main part, installing the tighrening ring keeps away from sealing ring and the sealing washer of main part one side, the tighrening ring has fastening portion of compressing tightly, fastening portion of compressing tightly has the outer lane, the sealing ring has the inner circle, the sealing ring is established through its inner race fastening portion's outer lane, the sealing ring with fastening portion sliding connection compresses tightly, the sealing ring can be to being close to or keeping away from the direction of tighrening ring removes, the circle of sealing ring is provided with the packing, the sealing washer is used for right the packing carries on spacingly.

Furthermore, the sealing ring is installed on one side of the sealing ring far away from the fastening ring, and the sealing ring is fixedly connected with the sealing ring.

Furthermore, the sealing ring is abutted to one side, far away from the fastening ring, of the sealing ring, and the inner diameter of the sealing ring is smaller than that of the sealing ring.

Furthermore, the sealing filler comprises multiple sections of high-carbon packing, the multiple sections of high-carbon packing are sequentially arranged along the axial direction of the inner ring of the sealing ring, and the multiple sections of high-carbon packing are overlapped with each other along the inner diameter axis.

Furthermore, be close to the tighrening ring the high carbon packing with the fastening compresses tightly the portion butt, be close to sealing washer one side the high carbon packing with the sealing washer butt.

Furthermore, the sealing ring comprises two sealing half rings, sealing connecting parts are arranged on two sides of each sealing half ring, and the two sealing half rings are installed and fixed through the corresponding sealing connecting parts.

Furthermore, first bellying has on the sealing ring, the tighrening ring has fastening connection portion, a plurality of through-holes have been seted up along its circumference direction to first bellying, fastening connection portion last seted up with the corresponding through-hole of first bellying through-hole, install in the through-hole of first bellying and wear to locate the regulating part of fastening connection portion through-hole, the regulating part is used for adjusting the tighrening ring and distance between the sealing ring.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a ejection of compact seal assembly, through setting up tighrening ring and sealing ring, the tighrening ring is installed in the main part, the sealing ring cover establish on the tighrening ring and with tighrening ring sliding connection, be provided with the packings on the sealing ring, when the packings appears wearing and tearing when appearing the space, only need to apply a power that is close to the tighrening ring direction to the sealing ring and make the direction of seal ring to the tighrening ring remove, make and install the packings extrusion in the seal ring, the clearance that appears because wearing and tearing can be repacked by the extruded packings, thereby guarantee the leakproofness of ejection of compact main part. The sealing performance of the discharging main body can be maintained in an extruding mode, and a sealing assembly does not need to be frequently replaced, so that the problems that time and labor are wasted and the operation is complicated when the sealing performance of the mechanical main body is maintained in the related technology are solved;

2. the sealing ring can be divided into two sealing semi-rings which are fixedly connected through a sealing connecting part, so that the production, the manufacture and the installation of the sealing ring are facilitated;

3. the sealing packing adopts a high-carbon packing which has the advantages of self-lubrication, high strength, high and low temperature resistance and corrosion resistance, so that the discharging sealing assembly can be widely applied to the sealing working conditions of rotating or reciprocating mechanisms with corrosion, high and low temperature, high pressure, fluid media containing particles and the like at high linear speed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a discharge seal assembly of the present application;

FIG. 2 is a schematic view of a fastening ring of a discharge seal assembly according to the present application;

FIG. 3 is a schematic view of a seal ring of a discharge seal assembly according to the present application;

fig. 4 is a schematic cross-sectional view of a discharge seal assembly according to the present application.

Description of reference numerals:

1. a fastening ring; 11. a fastening connection portion; 12. fastening the pressing part; 2. a seal ring; 21. sealing the half ring; 211. sealing the connection part; 22. reinforcing ribs; 23. a first boss portion; 3. sealing and filling; 4. and (5) sealing rings.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 and 2, a discharging sealing assembly is installed on a main body, is annular and is sleeved on a shaft for sealing, and comprises a fastening ring 1 installed on the main body, a sealing ring 2 installed on one side, far away from the main body, of the fastening ring 1, a sealing filler 3 installed in the sealing ring 2, and a sealing ring 4. Specifically, the fastening ring 1 includes a fastening connection portion 11 and a fastening compression portion 12, the fastening connection portion 11 is installed on the main body, and a plurality of through holes are circumferentially opened on the fastening connection portion 11. The fastening and pressing part 12 is installed on one side of the fastening and connecting part 11 far away from the main body, the fastening and pressing part 12 is perpendicular to the fastening and connecting part 11, the fastening and pressing part 12 is integrally formed with the fastening and connecting part 11, and the fastening and pressing part 12 is provided with an outer ring. In this embodiment, the outer radius of the fastening ring 1 is 835mm, the inner radius of the fastening ring 1 is 748mm, and the fastening ring 1 can be divided into two fastening half rings along its diameter.

Referring to fig. 3 and 4, the sealing ring 2 is used for matching the fastening ring 1, specifically, the sealing ring 2 has an inner ring, the diameter of the inner ring of the sealing ring 2 is larger than the diameter of the outer ring of the fastening and pressing portion 12, so that the sealing ring 2 can be sleeved on the outer ring of the fastening and pressing portion 12 through the inner ring, it should be noted that the sealing ring 2 is not sleeved on the outer ring of the fastening and pressing portion 12 in a whole manner, but has an overlapping portion, and the rest non-overlapping portion is used for arranging the sealing filler 3. The sealing ring 2 is slidably connected to the fastening and compressing portion 12, i.e. the sealing ring 2 can move towards or away from the fastening ring 1. The sealing ring 4 is arranged on one side, far away from the fastening ring 1, of the sealing ring 2, and the sealing ring 4 is fixedly connected with the sealing ring 2. One side butt that the tighrening ring 1 was kept away from to sealing washer 4 and sealing ring 2, the internal diameter of sealing washer 4 is less than the internal diameter of sealing ring 2, and sealing washer 4 is used for spacing to gland packing 3.

The sealing packing 3 is arranged on the inner ring of the sealing ring 2, and the sealing ring 4 is positioned at the non-overlapping part of the sealing ring 2 and the fastening pressing part 12. In this example, the packing 3 includes a plurality of segments of high-carbon packing, which are sequentially arranged along the axial direction of the inner ring of the seal ring 2, and the inner diameter axes of the segments of high-carbon packing coincide. The high-carbon packing near the fastening ring 1 is abutted against the fastening and pressing part 12, and the high-carbon packing near one side of the sealing ring 4 is abutted against the sealing ring 4. By utilizing the advantages of self-lubrication, high strength, high and low temperature resistance and corrosion resistance of the high-carbon disk root, the discharging sealing component can be widely applied to the sealing working conditions of rotating or reciprocating mechanisms under high linear speed of corrosive, high and low temperature, high pressure and fluid media containing particles and the like.

Through setting up tighrening ring 1, sealing ring 2 and sealing washer 4, when the loss appears in the sealed packing 3 in the sealing ring 2, can appear the clearance between multistage high carbon packing and the axle promptly, this moment through promoting sealing ring 2, make sealing ring 2 remove to the one side that is close to tighrening ring 1, because the extrusion of sealing ring 2, sealed packing 3 can be compressed then produce towards the deformation of axle direction then fill because the clearance that wearing and tearing appear, reach the purpose sealed once more, need not to change seal assembly frequently.

In order to facilitate pushing the sealing ring 2, a first protruding portion 23 is arranged on the sealing ring 2, the first protruding portion 23 is located on one side, close to the fastening ring 1, of the sealing ring 2, the first protruding portion 23 is provided with a plurality of through holes at intervals along the circumferential direction and used for matching with the fastening connection portion 11, the through holes in the first protruding portion 23 are overlapped with the axis of the through holes in the fastening connection portion 11, an adjusting piece (not shown in the figure) penetrating through the through holes in the first protruding portion 23 is installed in the through holes in the fastening connection portion 11, the adjusting piece comprises a screw and a screw, and the screw penetrates through the through holes in the fastening connection portion 11 and the first protruding portion 23 and is fixed through the screw. Through setting up screw and screw, the accessible is screwed up or is unscrewed the screw and adjust the distance of tighrening ring 1 and sealing ring 2 for sealing ring 2 is close to or keeps away from tighrening ring 1.

Meanwhile, the sealing ring 2 includes two sealing half rings 21, sealing connection portions 211 are disposed on two sides of each sealing half ring 21, and the two sealing half rings 21 are installed and fixed through the respective corresponding sealing connection portions 211, specifically, may be installed and fixed in a threaded connection manner, and specifically, may also be installed and fixed in a welding manner. In this embodiment, the sealing ring 2 further includes two reinforcing ribs 22, the reinforcing ribs 22 are used to connect the two half seal rings 21, specifically, after the sealing connection portions 211 of the two half seal rings 21 are bonded, the two reinforcing ribs 22 and the sealing connection portions 211 of the two half seal rings 21 are fully welded to be fixed, and the two reinforcing ribs 22 correspond to two connection portions of the two half seal rings 21 respectively. By dividing the sealing ring 2 into two sealing ring halves 21 and providing the reinforcing ribs 22, the production and the mounting of the sealing ring 2 are facilitated.

The application relates to a discharge sealing assembly's theory of operation does, installs sealing assembly in the main part, and sealing filler 3 compresses tightly at epaxial sealing by pressure this moment, and when sealing filler 3 took place wearing and tearing, it makes sealing ring 2 be close to the 1 direction of tighrening ring to rotate the screw, and sealing filler 3 is extrudeed then fills because the clearance that wearing and tearing appear to keep sealing assembly to the leakproofness of axle.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a discharge sealing assembly, installs in the main part, its characterized in that is including installing tighrening ring (1) in the main part, installing tighrening ring (1) keeps away from sealing ring (2) and sealing washer (4) of main part one side, tighrening ring (1) has fastening portion (12), fastening portion (12) has the outer lane, sealing ring (2) have the inner circle, sealing ring (2) are established through its inner ring snare the outer lane of fastening portion (12), sealing ring (2) with fastening portion (12) sliding connection, sealing ring (2) can be to being close to or keeping away from the direction removal of tighrening ring (1), be provided with on the inner circle of sealing ring (2) and seal filler (3), sealing washer (4) are used for right seal filler (3) carry on spacingly.

2. A tapping seal assembly according to claim 1, wherein the sealing ring (4) is mounted on the side of the sealing ring (2) remote from the fastening ring (1), the sealing ring (4) being fixedly connected to the sealing ring (2).

3. A tapping seal assembly according to claim 2, wherein the sealing ring (4) abuts the side of the sealing ring (2) remote from the fastening ring (1), the sealing ring (4) having a smaller inner diameter than the sealing ring (2).

4. A tapping seal assembly according to any one of claims 1-3, characterised in that the sealing packing (3) comprises a plurality of segments of high-carbon packing, which are arranged in sequence in the axial direction of the inner ring of the sealing ring (2), the inner diameter axes of which coincide.

5. The tapping seal assembly according to claim 4, wherein the high carbon packing adjacent to the fastening ring (1) abuts against the fastening and pressing portion (12), and the high carbon packing adjacent to the side of the sealing ring (4) abuts against the sealing ring (4).

6. A tapping seal assembly according to claim 1, wherein the sealing ring (2) comprises two sealing ring halves (21), the sealing ring halves (21) having sealing connections (211) on both sides, the two sealing ring halves (21) being mounted and fixed by means of respective sealing connections (211).

7. The discharging sealing assembly according to claim 1, wherein the sealing ring (2) is provided with a first protrusion (23), the fastening ring (1) is provided with a fastening connection portion (11), the first protrusion (23) is provided with a plurality of through holes along a circumferential direction thereof, the fastening connection portion (11) is provided with a through hole corresponding to the through hole of the first protrusion (23), an adjusting member penetrating the through hole of the fastening connection portion (11) is installed in the through hole of the first protrusion (23), and the adjusting member is used for adjusting a distance between the fastening ring (1) and the sealing ring (2).