Sealing ring of gas compressor

Abstract

The utility model discloses a gas compressor sealing ring, which relates to the technical field of compressor sealing rings and comprises a protective cylinder, a support adjusting component is arranged in the protective cylinder, an adjusting rod is mounted on the right side surface of the inner wall of the protective cylinder, a positioning rotating shaft is mounted on the left side surface of the adjusting rod, and telescopic rods are mounted on the front and rear surfaces of a support cylinder. The front end and the rear end of the outer wall of each telescopic rod are each provided with a guide disc, the front end and the rear end of each telescopic rod are each provided with a pin shaft, the middle of the outer wall of each pin shaft is provided with a spring, and the front face and the rear face of each locking shaft are each provided with an ejector rod. The spring is elastic and can drive the two locking shafts to stretch out and draw back through the pin shaft, so that the ejector rod is in contact with the elastic cushion, the inner wall of the sealing ring is supported, the arranged sealing ring plays a role in sealing connection of the protective cylinder and the adjusting disc, and the arranged two guide discs can play a role in guiding use of the pin shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of compressor sealing rings, in particular to a gas compressor sealing ring. Background Art

[0002] In a reciprocating compressor, a sealing ring is usually installed on the piston, which is used to seal the gap between the piston and the cylinder mirror surface, mainly playing a sealing role. Existing sealing rings mainly have two problems: difficult installation, excessive wear, and poor sealing. In order to make the outer edge of the sealing ring fit tightly against the cylinder mirror surface, the sealing ring must obtain a certain effective elastic force, so the sealing ring must be made with a cut; if the sealing ring has no cut, it cannot obtain the initial elastic force, and the sealing ring may not be close to the cylinder mirror surface. When the compressor compresses gas, high-pressure gas may leak from the gap between the sealing ring and the cylinder. When the sealing ring with a cut is working normally, due to the existence of the cut in the sealing ring, the gap at the cut of the sealing ring will become larger and larger during long-term use, which will affect the sealing of the compressor.

[0003] A screw compressor sealing ring is proposed in the patent with publication number CN107830174A, which includes a main protrusion, a reverse secondary protrusion, a bearing groove, a limiting boss, a limiting groove, a clamping outer protrusion, a clamping outer edge, a main sealing ring, an annular alloy lock buckle, an inner secondary sealing ring, a sealing lip, a concave arc surface, and an annular recessed portion. The portion of the body located on the outer side of the annular recessed portion along the radial direction of the sealing ring is the sealing lip, the portion of the body located on the inner side of the annular recessed portion along the radial direction of the sealing ring is the sealing sleeve portion, and the portion of the body located between the sealing lip and the sealing sleeve portion is the connecting portion. The sealing lip is connected to the sealing ring, the distance that the sealing lip extends radially along the sealing ring is a first distance, the distance that the sealing lip extends axially along the sealing ring is a second distance, the first distance is less than or equal to 0.4 times of the second distance, the first distance is the thickness of the sealing lip, and the second distance is the width of the sealing lip. The thickness and width ratio of the sealing lip is set in this way to ensure the sealing requirements. The annular recessed portion is provided with a bottom wall and two oppositely arranged annular side walls, the bottom wall and the annular side walls form an annular recessed portion, and an arc-shaped wall is provided between the connection between the annular side wall and the bottom wall. The material of the sealing ring is rubber or synthetic resin. Among them, the arc-shaped wall between the connection of the annular side wall and the bottom wall disperses the pressure at the annular recessed portion to avoid stress concentration. The material of the sealing ring makes the outer diameter tolerance of the sealing ring easy to control and has high production efficiency. The annular recessed portion of the sealing ring in this embodiment includes a first bearing groove and a second bearing groove. The first bearing groove is arranged on the first end face along the circumferential extension of the sealing ring, and the second bearing groove is arranged on the second end face along the axial extension of the sealing ring. The first bearing groove and the second bearing groove are arranged oppositely. The distance that the sealing sleeve extends along the axial direction of the sealing ring is the third distance, and the distance that the connecting portion extends along the axial direction of the sealing ring is the fourth distance. The fourth distance is greater than or equal to 0.5 times the third distance. The first distance gradually decreases from the middle of the sealing lip to the two ends of the sealing lip extending along the axial direction of the sealing ring. The surface of the sealing lip away from the axis of the sealing ring is a concave arc surface. However, the following problems still exist in this patent:

[0004] The existing sealing ring is elastic, and the sealing effect is poor when the compressor is used. There is a gap where the sealing ring contacts other parts, which makes it inconvenient to make the sealing ring contact closely with the parts.

[0005] In view of the above problems, it is necessary to design a gas compressor sealing ring to overcome the above problems. Utility Model Content

[0006] The main purpose of the utility model is to provide a gas compressor sealing ring, which can effectively solve the problems in the background technology.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A gas compressor sealing ring comprises a protective sleeve, wherein a supporting and adjusting assembly is arranged inside the protective sleeve;

[0009] The support adjustment assembly includes a sealing ring arranged on the inner wall of the protective tube, elastic pads are installed on the front and rear ends of the inner wall of the sealing ring, an adjusting rod is installed on the right side of the inner wall of the protective tube, a positioning shaft is installed on the left side of the adjusting rod, a supporting tube is installed on the left side of the positioning shaft, telescopic rods are installed on the front and rear sides of the supporting tube, limiting members are provided on the outer walls of the two telescopic rods, guide plates are provided on the front and rear ends of the outer walls of the two telescopic rods, pins are installed on the front and rear ends of the two telescopic rods, a spring is provided in the middle of the outer wall of the pin, locking shafts are installed on the front and rear sides of the pin, and push rods are installed on the front and rear sides of the two locking shafts;

[0010] A limiting ring is arranged on the left side of the protective tube, a sealing ring is arranged on the right side of the protective tube, and an adjusting disk is arranged on the right side of the sealing ring.

[0011] As a preferred solution of the utility model, the protective tube and the sealing ring are detachably connected, the elastic pad and the adjusting rod are detachably connected, the protective tube and the adjusting rod are detachably connected, and the adjusting rod and the adjusting disk are detachably connected.

[0012] As a preferred solution of the utility model, the adjusting rod is detachably connected to the positioning shaft, the positioning shaft is detachably connected to the supporting tube, and the supporting tube is detachably connected to the two telescopic rods.

[0013] As a preferred solution of the utility model, the two telescopic rods are detachably connected to the limiting member, the two telescopic rods are detachably connected to the two guide plates, and the two guide plates are detachably connected to the pin shaft.

[0014] As a preferred solution of the utility model, the pin shaft is detachably connected to the spring, and the two pin shafts are detachably connected to the two locking shafts.

[0015] As a preferred solution of the utility model, the two locking shafts are detachably connected to the push rods, and the front and rear surfaces of the two push rods are in contact with the inner side surface of the elastic pad.

[0016] Beneficial Effects

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The sealing ring of the gas compressor rotates the adjusting rod through the adjusting disk, so that the pin shaft in the support cylinder drives the two telescopic rods to rotate. The spring is elastic and can drive the two locking shafts to extend and retract through the pin shaft, so that the push rod contacts the elastic pad, supports the inner wall of the sealing ring, and improves the sealing effect of the sealing ring. The sealing ring has a sealing connection between the protective cylinder and the adjusting disk, and the two guide plates can guide the use of the pin shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the elastic pad structure of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the support and adjustment component of the utility model.

[0022] In the figure: 1. protective tube; 2. limiting ring; 3. sealing ring; 4. adjusting disk; 5. supporting and adjusting assembly; 501. sealing ring; 502. elastic pad; 503. adjusting rod; 504. positioning shaft; 505. supporting tube; 506. limiting member; 507. telescopic rod; 508. guide disk; 509. pin; 510. spring; 511. locking shaft; 512. push rod. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1-3 As shown, a gas compressor sealing ring comprises a protective tube 1, and a supporting and adjusting assembly 5 is arranged inside the protective tube 1;

[0025] The support adjustment component 5 includes a sealing ring 501 arranged on the inner wall of the protective tube 1, elastic pads 502 are installed at the front and rear ends of the inner wall of the sealing ring 501, an adjusting rod 503 is installed on the right side of the inner wall of the protective tube 1, a positioning shaft 504 is installed on the left side of the adjusting rod 503, a supporting tube 505 is installed on the left side of the positioning shaft 504, telescopic rods 507 are installed on the front and rear sides of the supporting tube 505, limiting members 506 are arranged on the outer walls of the two telescopic rods 507, guide plates 508 are arranged on the front and rear ends of the outer walls of the two telescopic rods 507, pins 509 are installed on the front and rear ends of the two telescopic rods 507, a spring 510 is arranged in the middle of the outer wall of the pin 509, locking shafts 511 are installed on the front and rear sides of the pin 509, and push rods 512 are installed on the front and rear sides of the two locking shafts 511;

[0026] A limit ring 2 is provided on the left side of the protective tube 1, a sealing ring 3 is provided on the right side of the protective tube 1, and an adjusting disk 4 is provided on the right side of the sealing ring 3;

[0027] The protective tube 1 is detachably connected to the sealing ring 501, the elastic pad 502 is detachably connected to the adjusting rod 503, the protective tube 1 is detachably connected to the adjusting rod 503, the adjusting rod 503 is detachably connected to the adjusting disk 4, the adjusting rod 503 is detachably connected to the positioning shaft 504, the positioning shaft 504 is detachably connected to the supporting tube 505, the supporting tube 505 is detachably connected to the two telescopic rods 507, the two telescopic rods 507 are detachably connected to the limiting member 506, the two telescopic rods 507 are detachably connected to the two guide disks 508, the two guide disks 508 are detachably connected to the pin 509, the pin 509 is detachably connected to the spring 510, the two pins 509 are detachably connected to the two locking shafts 511, the two locking shafts 511 are detachably connected to the ejector rod 512, and the front and rear surfaces of the two ejector rods 512 are in contact with the inner side surface of the elastic pad 502;

[0028] Among them, the adjusting rod 503 is rotated by the setting adjustment disk 4, so that the pin shaft 509 in the support tube 505 drives the two telescopic rods 507 to rotate, and the spring 510 is elastic and can drive the two locking shafts 511 to extend and retract through the pin shaft 509, so that the top rod 512 contacts with the elastic pad 502, supports the inner wall of the sealing ring 501, and improves the sealing effect of the sealing ring 501. The setting sealing ring 3 plays a role of sealing connection between the protective tube 1 and the adjusting disk 4, and the setting two guide disks 508 can play a guiding role in the use of the pin shaft 509.

[0029] It should be noted that the utility model is a gas compressor sealing ring. When in use, the adjusting disk 4 is manually rotated to make the adjusting rod 503 drive the pin shaft 509 in the supporting tube 505 to rotate, so that the pin shaft 509 drives the two telescopic rods 507 to extend and retract, so that the push rods 512 on the two sides of the two locking shafts 511 are extended and retracted back and forth, so that they contact the inner side of the elastic pad 502, and the locking shaft 511 is used to improve the tightness of the connection between the two push rods 512 and the pin shaft 509. The spring 510 is elastic and can facilitate the use of the pin shaft 509. The two guide disks 508 can guide the pin shaft 509. The two limit members 506 can improve the sealing installation effect of the connection between the two telescopic rods 507 and the pin shaft 509, which is convenient for adjustment and use. The adjusting disk (4) is rotated back to disengage the two push rods (512) from the two elastic pads (502), so that the sealing ring (501) and the inner wall of the protective tube (1) are no longer tightly connected, and can be easily disassembled for use.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A gas compressor sealing ring, comprising a protective sleeve (1), characterized in that: A support adjustment component (5) is arranged inside the protective tube (1); The support adjustment assembly (5) comprises a sealing ring (501) arranged on the inner wall of the protective tube (1), elastic pads (502) are installed at both the front and rear ends of the inner wall of the sealing ring (501), an adjustment rod (503) is installed on the right side of the inner wall of the protective tube (1), a positioning shaft (504) is installed on the left side of the adjustment rod (503), a support tube (505) is arranged on the left side of the positioning shaft (504), and telescopic rods (507) are installed on both the front and rear sides of the support tube (505). ), the outer walls of the two telescopic rods (507) are provided with limit members (506), the front and rear ends of the outer walls of the two telescopic rods (507) are provided with guide plates (508), the front and rear ends of the two telescopic rods (507) are provided with pin shafts (509), the middle part of the outer wall of the pin shaft (509) is provided with a spring (510), the front and rear surfaces of the pin shaft (509) are provided with locking shafts (511), and the front and rear surfaces of the two locking shafts (511) are provided with push rods (512); A limiting ring (2) is arranged on the left side of the protective tube (1), a sealing ring (3) is arranged on the right side of the protective tube (1), and an adjusting disk (4) is arranged on the right side of the sealing ring (3).

2. A gas compressor sealing ring according to claim 1, characterized in that: The protective tube (1) and the sealing ring (501) are detachably connected, the elastic pad (502) and the adjusting rod (503) are detachably connected, the protective tube (1) and the adjusting rod (503) are detachably connected, and the adjusting rod (503) and the adjusting disk (4) are detachably connected.

3. A gas compressor sealing ring according to claim 1, characterized in that: The adjusting rod (503) is detachably connected to the positioning shaft (504), the positioning shaft (504) is detachably connected to the supporting tube (505), and the supporting tube (505) is detachably connected to the two telescopic rods (507).

4. A gas compressor sealing ring according to claim 1, characterized in that: The two telescopic rods (507) are detachably connected to the limiting member (506), the two telescopic rods (507) are detachably connected to the two guide plates (508), and the two guide plates (508) are detachably connected to the pin shaft (509).

5. A gas compressor sealing ring according to claim 1, characterized in that: The pin shaft (509) and the spring (510) are detachably connected, and the two pin shafts (509) and the two locking shafts (511) are detachably connected.

6. A gas compressor sealing ring according to claim 1, characterized in that: The two locking shafts (511) are detachably connected to the push rod (512), and the front and rear surfaces of the two push rods (512) are in contact with the inner side surface of the elastic pad (502).

Images