CN213776332U

CN213776332U - Piston sealing ring for air compressor

Info

Publication number: CN213776332U
Application number: CN202022874207.5U
Authority: CN
Inventors: 唐刚飙
Original assignee: Suzhou Tile Wheel Machinery Co ltd
Current assignee: Suzhou Tile Wheel Machinery Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-07-23
Anticipated expiration: 2030-12-04

Abstract

The utility model relates to a sealing ring technical field just discloses a piston seal ring for air compressor machine, including the outer loop, the inner ring has been cup jointed in the medial surface activity of outer loop, spacing hole has been seted up to angles such as the medial surface of outer loop, angle fixed mounting such as the lateral surface of inner ring has spacing post, the diameter of spacing post is the same with the diameter in spacing hole, the spacing spring of fixedly connected with between spacing post and the spacing hole. This a piston seal ring for air compressor machine, the lateral surface through at the inner ring is the fixed spacing post of angle such as, and be fixed with spacing spring between spacing post and spacing hole, after the device uses for a long time, the tooth's socket of its inner ring inboard face can replace most friction, the partial deformation that produces simultaneously can conduct to spacing post department, spacing post can be with energy conduction to spacing downthehole and compress spacing spring and offset partial deformation this moment, increase the seal, thereby realize reducing the advantage of using back air leakage for a long time.

Description

Piston sealing ring for air compressor

Technical Field

The utility model relates to a sealing ring technical field specifically is a piston seal ring for air compressor machine.

Background

An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw. Centrifugal compressors are very large applications. In the reciprocating piston type air compressor, a piston sealing ring of the existing partial air compressor is lubricated by oil, and the piston sealing ring is made of metal materials.

Piston sealing ring among the prior art generally is that single punching press component constitutes, and sealing ring itself is made for the metal material, nevertheless will cause the metal part to appear wearing and tearing after long-time use, and then leads to the sealing ring to appear slight deformation phenomenon, if continue to use this moment will lead to the increase of piston sealing ring air leakage, influence the use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a piston seal ring for air compressor machine possesses the advantage that can reduce air leakage behind the long-time use, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a piston seal ring for air compressor machine, includes the outer loop, the inner ring has been cup jointed in the medial surface activity of outer loop, spacing hole has been seted up to the medial surface isogonism of outer loop, the lateral surface isogonism fixed mounting of inner ring has spacing post, the diameter of spacing post is the same with the diameter in spacing hole, the spacing spring of fixedly connected with between spacing post and the spacing hole.

Preferably, the upper end and the lower end of the outer ring are fixedly connected with rubber rings, and air holes are formed in the outer side surfaces of the rubber rings at equal angles.

Preferably, the middle part of the outer side surface of the outer ring is provided with a ring groove, the upper end and the lower end of the outer ring are provided with side grooves at equal angles, and the side grooves are fixedly communicated with the ring groove.

Preferably, tooth sockets are formed in the inner side face of the inner ring at equal angles, and the inner diameter of the rubber ring is the same as that of the outer ring.

Preferably, the inner diameter of the inner ring is the same as the inner diameter of the outer ring, and the outer diameter of the inner ring is smaller than the outer diameter of the outer ring.

Preferably, the outer ring and the inner ring are both made of stainless steel.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this a piston seal ring for air compressor machine, medial surface through at the outer loop is provided with the inner ring, and spacing hole has been seted up at angles such as the medial surface of outer loop, and angle such as the lateral surface of inner ring is fixed with spacing post, and be fixed with spacing spring between spacing post and spacing hole, after the device used for a long time, the tooth's socket of its inner ring medial surface can replace most friction, the part deformation that produces simultaneously can conduct to spacing post department, spacing post can with energy conduction to spacing downthehole and compress spacing spring offset partial deformation this moment, increase the seal, thereby realize reducing the advantage of using back air leakage for a long time.

2. This a piston seal ring for air compressor machine is fixed with the rubber ring through the upper and lower both ends at the outer loop to the air vent has been seted up at the lateral surface of rubber ring, the rubber ring can contact with between the axis body when in-service use, this moment the rubber ring can with the axis body between carry out in close contact with, prevent the gap that metal friction leads to from appearing, thereby realized that the advantage in gap appears in the sealing ring medial surface.

Drawings

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

FIG. 2 is an exploded view of the rubber ring structure of the present invention;

FIG. 3 is a cross-sectional view of the internal structure of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

In the figure: 1. an outer ring; 2. an inner ring; 3. a rubber ring; 4. air holes are formed; 5. a ring groove; 6. a side groove; 7. a tooth socket; 8. a limiting hole; 9. a limiting column; 10. and a limiting spring.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, a piston seal ring for an air compressor includes an outer ring 1, an inner ring 2 movably sleeved on an inner side surface of the outer ring 1, a limiting hole 8 formed on the inner side surface of the outer ring 1 at an equal angle, a limiting post 9 fixedly installed on an outer side surface of the inner ring 2 at an equal angle, a diameter of the limiting post 9 is the same as that of the limiting hole 8, and a limiting spring 10 is fixedly connected between the limiting post 9 and the limiting hole 8.

Wherein, the equal fixedly connected with rubber ring 3 in upper and lower both ends of outer loop 1, bleeder vent 4 has been seted up to the angle such as the lateral surface of rubber ring 3, rubber ring 3 can and the axis body between contact, this moment rubber ring 3 can and the axis body between carry out in close contact with, reduce the gap.

Wherein, annular 5 has been seted up at the middle part of 1 lateral surface of outer loop, and the impartial angle in upper and lower both ends of outer loop 1 has been seted up side groove 6, and fixed intercommunication between side groove 6 and the annular 5 can carry out partial water conservancy diversion to the greasy dirt on the sealing ring through annular 5 and side groove 6, prevents that the greasy dirt from excessively influencing the use of sealing ring.

Wherein, tooth's socket 7 has been seted up to the equidistance of the medial surface of inner ring 2, and the internal diameter of rubber ring 3 is the same with the internal diameter of outer loop 1, and tooth's socket 7 of the 2 medial surfaces of inner ring can replace most friction, reduces the wearing and tearing of inner ring 2.

The inner diameter of the inner ring 2 is the same as that of the outer ring 1, the outer diameter of the inner ring 2 is smaller than that of the outer ring 1, and the matching of the outer ring 1 and the inner ring 2 can increase the air tightness of the whole sealing ring and reduce air leakage.

Wherein, outer loop 1 and inner ring 2 are stainless steel material and make, and outer loop 1 and inner ring 2 that the stainless steel was made have certain wearability, can effectively prevent to rust simultaneously.

The working principle is as follows: this a piston seal ring for air compressor machine is when using, and most friction can be replaced to the tooth's socket 7 of 2 medial surfaces of inner ring, and the part deformation that produces simultaneously can conduct to spacing post 9 department, and spacing post 9 can be with energy conduction to spacing downthehole 8 in and compress spacing spring 10 and offset partial deformation this moment, increases the seal, and rubber ring 3 can and the axis body between contact, rubber ring 3 this moment can and the axis body between carry out in close contact with, reduce the gap.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a piston seal ring for air compressor machine, includes outer ring (1), its characterized in that: inner ring (2) have been cup jointed in the medial surface activity of outer ring (1), spacing hole (8) have been seted up to the medial surface isogonism of outer ring (1), the lateral surface isogonism fixed mounting of inner ring (2) has spacing post (9), the diameter of spacing post (9) is the same with the diameter of spacing hole (8), fixedly connected with spacing spring (10) between spacing post (9) and spacing hole (8).

2. The piston ring seal for an air compressor as claimed in claim 1, wherein: the upper end and the lower end of the outer ring (1) are fixedly connected with rubber rings (3), and air holes (4) are formed in the outer side surfaces of the rubber rings (3) at equal angles.

3. The piston ring seal for an air compressor as claimed in claim 1, wherein: annular groove (5) have been seted up at the middle part of outer ring (1) lateral surface, side groove (6) have been seted up to the impartial angle in upper and lower both ends of outer ring (1), fixed intercommunication between side groove (6) and annular groove (5).

4. The piston ring seal for an air compressor as claimed in claim 2, wherein: tooth sockets (7) are formed in the inner side face of the inner ring (2) at equal angles, and the inner diameter of the rubber ring (3) is the same as that of the outer ring (1).

5. The piston ring seal for an air compressor as claimed in claim 1, wherein: the inner diameter of the inner ring (2) is the same as the inner diameter of the outer ring (1), and the outer diameter of the inner ring (2) is smaller than that of the outer ring (1).

6. The piston ring seal for an air compressor as claimed in claim 1, wherein: the outer ring (1) and the inner ring (2) are both made of stainless steel.