CN218762020U

CN218762020U - Sealing structure

Info

Publication number: CN218762020U
Application number: CN202223254004.1U
Authority: CN
Inventors: 彭浩; 伍林; 南庆飞
Original assignee: Shanghai Yinjin Industry Co ltd
Current assignee: Shanghai Yinjin Industry Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-28
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a sealing structure, including first connecting piece and second connecting piece, the threaded rod is passed through in first connecting piece and the second connecting piece outside and is connected, is provided with sealing mechanism between first connecting piece and the second connecting piece, has sealing mechanism to be used for sealing first connecting piece and second connecting piece. This seal structure fixes between first plate body and second plate body through first graphite sealing ring and second graphite sealing ring, the air that flows between first plate body and the second plate body can at first be carried out the separation by first graphite sealing ring, then carry out the separation by second graphite sealing ring, possess high temperature resistant through first graphite sealing ring and second graphite sealing ring, advantage that corrosion-resistant and coefficient of friction are low, sealed effect has been strengthened, rethread damping ring protects first graphite sealing ring and second graphite sealing ring, set up in the graphite sealing ring outside through the rubber pad, further seal, make sealed more stable.

Description

Sealing structure

Technical Field

The utility model relates to an air compressor technical field especially relates to a seal structure.

Background

An air compressor is a device for compressing gas, and is constructed similarly to a water pump. Most air compressors are of the reciprocating piston type, rotating vane or rotating screw type, wherein the air outlet duct needs to be in sealed connection with the component.

At present, the existing air outlet pipeline and parts are mostly sealed by rubber sealing rings and then fastened by bolts, but the rubber sealing rings are easily corroded in the air, and the rubber sealing rings are easily abraded due to shaking between the air outlet pipeline and the parts, so that sealing leakage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is in order to solve the shortcoming that exists among the prior art, and a seal structure that proposes, including first connecting piece and second connecting piece, first connecting piece with the second connecting piece outside is passed through the threaded rod and is connected, first connecting piece with be provided with sealing mechanism between the second connecting piece, there is sealing mechanism to be used for sealing up first connecting piece and second connecting piece, first connecting piece with second connecting piece inboard is provided with spacing subassembly.

Preferably, the sealing mechanism comprises a first graphite sealing ring and a second graphite sealing ring, the lower part of the first graphite sealing ring is attached to the first connecting piece, the upper part of the second graphite sealing ring is attached to the second connecting piece, a damping ring is arranged between the first graphite sealing ring and the second graphite sealing ring, and a support ring is arranged between the first graphite sealing ring and the second graphite sealing ring and between the second graphite sealing ring and the second connecting piece.

Preferably, the limiting assembly comprises a limiting block and a limiting groove, the limiting block is fixedly arranged on the second connecting piece, and the limiting block is arranged on the first connecting piece.

Preferably, the limiting blocks are matched with the limiting grooves, and the number of the limiting blocks is four.

Preferably, the first connecting piece comprises a first plate body, and a first threaded hole is formed in the first plate body.

Preferably, the second connecting piece comprises a second plate body, and a second threaded hole is formed in the second plate body.

Preferably, a rubber pad is arranged between the first plate body and the second plate body.

Preferably, the threaded rod is matched with a first threaded hole and a second threaded hole, and the first threaded hole and the second threaded hole are identical in structure.

Preferably, the number of the first threaded holes and the number of the second threaded holes are four, and the first threaded holes and the second threaded holes are arranged in a staggered mode with the limiting blocks and the limiting grooves respectively.

Preferably, the first graphite seal ring and the second graphite seal ring are identical in structure.

The technical scheme has the following advantages or beneficial effects:

the utility model discloses a first graphite sealing ring and second graphite sealing ring are fixed between first plate body and second plate body, the air that flows between first plate body and the second plate body can at first be carried out the separation by first graphite sealing ring, then carry out the separation by second graphite sealing ring, possess high temperature resistant through first graphite sealing ring and second graphite sealing ring, advantage that corrosion-resistant and coefficient of friction are low, the sealed effect has been strengthened, rethread damping ring protects first graphite sealing ring and second graphite sealing ring, set up in the graphite sealing ring outside through the rubber pad, further seal, make sealed more stable.

Drawings

Fig. 1 is a schematic structural view of a sealing structure according to an embodiment of the present invention;

fig. 2 is a sectional view of a seal structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a stopper in the sealing structure of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

FIG. 5 is a schematic view of a first connecting member of the sealing structure of FIG. 1

Fig. 6 is a schematic view of a second connector of the sealing structure of fig. 1.

Illustration of the drawings:

1. a first connecting member; 2. a second connecting member; 3. a threaded rod; 4. a sealing mechanism; 5. a limiting block; 6. a limiting groove; 7. a rubber pad; 101. a first plate body; 102. a first threaded hole; 201. a second plate body; 202. a second threaded hole; 41. a first graphite seal ring; 42. a second graphite seal ring; 43. a shock-absorbing ring; 44. and (4) a support 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-6, the sealing structure of the present invention comprises a first connecting member 1 and a second connecting member 2, wherein the outer sides of the first connecting member 1 and the second connecting member 2 are connected through a threaded rod 3, a sealing mechanism 4 is arranged between the first connecting member 1 and the second connecting member 2, the sealing mechanism 4 is used for sealing the first connecting member 1 and the second connecting member 2, and the inner sides of the first connecting member 1 and the second connecting member 2 are provided with a limiting component; weld with air pipeline and spare part of giving vent to anger respectively through first connecting piece 1 and second connecting piece 2, give vent to anger the pipeline with the spare part with the air and assemble, fix first connecting piece 1 and second connecting piece 2 together through threaded rod 3, seal through sealing mechanism 4 cooperation rubber pad 7.

As shown in fig. 5 and fig. 6, further, the first connecting member 1 includes a first plate 101, a first threaded hole 102 is formed in the first plate 101, the second connecting member 2 includes a second plate 201, a second threaded hole 202 is formed in the second plate 201, and the first graphite sealing ring 41 and the second graphite sealing ring 42 have the same structure; the first plate body 101 and the second plate body 201 are respectively provided with a first threaded hole 102 and a second threaded hole 202, and the threaded rod 3 penetrates through the corresponding first threaded hole 102 and the second threaded hole 202, so that the first connecting piece 1 and the second connecting piece 2 are fixed.

As shown in fig. 2 and 4, the sealing mechanism 4 includes a first graphite sealing ring 41 and a second graphite sealing ring 42, a lower portion of the first graphite sealing ring 41 is attached to the first connecting member 1, an upper portion of the second graphite sealing ring 42 is attached to the second connecting member 2, a damping ring 43 is disposed between the first graphite sealing ring 41 and the second graphite sealing ring 42, a support ring 44 is disposed between the first graphite sealing ring 41, the second graphite sealing ring 42 and the second connecting member 2, and a rubber pad 7 is disposed between the first plate 101 and the second plate 201, and the graphite sealing rings have the advantages of high temperature resistance, corrosion resistance, low friction coefficient, and the like; fix between first plate body 101 and second plate body 201 through first graphite sealing ring 41 and second graphite sealing ring 42, the air that flows out between first plate body 101 and the second plate body 201 can be at first carried out the separation by first graphite sealing ring 41, then carry out the separation by second graphite sealing ring 42, possess high temperature resistant through first graphite sealing ring 41 and second graphite sealing ring 42, advantage that corrosion-resistant and coefficient of friction are low, sealed effect has been strengthened, rethread damping ring 43 sets up between first graphite sealing ring 41 and second graphite sealing ring 42, protect first graphite sealing ring 41 and second graphite sealing ring 42, rethread rubber pad 7 sets up in the graphite sealing ring outside, further seal, make sealed more stable.

The second embodiment:

as shown in fig. 2 and fig. 3, on the basis of the first embodiment, the utility model provides a technical solution: the limiting assembly comprises a limiting block 5 and limiting grooves 6, the limiting block 5 is fixedly arranged on the second connecting piece 2, the limiting grooves 6 are formed in the first connecting piece 1, the limiting block 5 is matched with the limiting grooves 6, and four limiting blocks 5 and four limiting grooves 6 are respectively arranged; through being provided with spacing groove 6 and stopper 5 on first connecting piece 1 and the second connecting piece 2 respectively, insert spacing groove 6 through four stopper 5 joints, cooperate four threaded rods 3 to pass corresponding first screw hole 102 and second screw hole 202, realize fixing first connecting piece 1 and second connecting piece 2, avoided the compressor can produce great vibrations at the during operation, vibrations can lead to compressor connecting pipe department to produce tiny dislocation to lead to gas leakage.

As shown in fig. 1 and 2, the threaded rod 3 is adapted to the first threaded hole 102 and the second threaded hole 202, and the first threaded hole 102 and the second threaded hole 202 are identical in structure, and characterized in that: the number of the first threaded holes 102 and the number of the second threaded holes 202 are four, and the first threaded holes and the second threaded holes are staggered with the limiting blocks 5 and the limiting grooves 6 respectively.

The working principle is as follows: the staff gives vent to anger pipeline and spare part with the air respectively through first connecting piece 1 and second connecting piece 2 and welds, give vent to anger pipeline and spare part with the air and assemble, be provided with spacing groove 6 and stopper 5 on through first connecting piece 1 and second connecting piece 2 respectively, go into spacing groove 6 through four stopper 5 joint, cooperate four threaded rods 3 to pass corresponding first screw hole 102 and second screw hole 202, the realization is fixed first connecting piece 1 and second connecting piece 2, fix between first plate body 101 and second plate body 201 through first graphite sealing ring 41 and second graphite sealing ring 42, the air that flows out between first plate body 101 and second plate body 201 can be at first carried out the separation by first graphite sealing ring 41, then be carried out the separation by second graphite sealing ring 42, possess high temperature resistant through first graphite sealing ring 41 and second graphite sealing ring 42, corrosion-resistant and low advantage of coefficient of friction, the sealed effect has been strengthened, rethread damping ring 43 sets up between first graphite sealing ring 41 and second graphite sealing ring 42, to first graphite sealing ring 41 and second graphite sealing ring 42, further protect graphite sealing ring 7, make the sealed rubber pad in the sealed rethread.

Finally, it should be noted that: 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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a seal structure, its characterized in that includes first connecting piece (1) and second connecting piece (2), first connecting piece (1) with second connecting piece (2) outside is connected through threaded rod (3), first connecting piece (1) with be provided with sealing mechanism (4) between second connecting piece (2), sealing mechanism (4) are used for sealing first connecting piece (1) and second connecting piece (2), first connecting piece (1) with second connecting piece (2) inboard is provided with spacing subassembly.

2. A sealing structure according to claim 1, wherein: sealing mechanism (4) include first graphite sealing ring (41) and second graphite sealing ring (42), first graphite sealing ring (41) below is laminated with first connecting piece (1), laminating with second connecting piece (2) second graphite sealing ring (42) top, be provided with damping ring (43) between first graphite sealing ring (41) and second graphite sealing ring (42), be provided with support ring (44) between first graphite sealing ring (41) and second graphite sealing ring (42) and second connecting piece (2).

3. A sealing structure according to claim 1, wherein: the limiting assembly comprises a limiting block (5) and a limiting groove (6), the limiting block (5) is fixed on the second connecting piece (2), and the limiting groove (6) is formed in the first connecting piece (1).

4. A sealing structure according to claim 3, wherein: the limiting blocks (5) are matched with the limiting grooves (6), and the number of the limiting blocks (5) and the number of the limiting grooves (6) are four.

5. A sealing structure according to claim 1, wherein: the first connecting piece (1) comprises a first plate body (101), and a first threaded hole (102) is formed in the first plate body (101).

6. A sealing structure according to claim 1, wherein: the second connecting piece (2) comprises a second plate body (201), and a second threaded hole (202) is formed in the second plate body (201).

7. A sealing arrangement according to claim 5, wherein: a rubber pad (7) is arranged between the first plate body (101) and the second plate body (201).

8. A sealing structure according to claim 5, wherein: the threaded rod (3) is matched with a first threaded hole (102) and a second threaded hole (202), and the first threaded hole (102) and the second threaded hole (202) are identical in structure.

9. A sealing arrangement according to claim 5, wherein: the number of the first threaded holes (102) and the number of the second threaded holes (202) are four, and the first threaded holes and the second threaded holes are respectively arranged with the limiting blocks (5) and the limiting grooves (6) in a staggered mode.

10. A sealing structure according to claim 2, wherein: the first graphite sealing ring (41) and the second graphite sealing ring (42) have the same structure.