CN219827693U - High-pressure combined sealing ring - Google Patents

Abstract

The utility model discloses a high-pressure combined sealing ring, which comprises a sealing ring main body and an inner ring, wherein an installation groove is formed in the inner wall of the sealing ring main body, a wear-resistant layer is arranged on the outer side of the sealing ring main body, a heat-insulating layer is adhered to the side wall of the wear-resistant layer, a reinforcing layer is adhered to the side wall of the heat-insulating layer, an anti-corrosion layer is adhered to the side wall of the reinforcing layer, an anti-slip layer is adhered to the side wall of the anti-corrosion layer, two supporting plates are arranged in the reinforcing layer, a positioning rod is arranged between the two supporting plates, a plurality of positioning sleeves are arranged in the middle of the positioning rods, springs are arranged in the middle of the positioning sleeves, limiting plates are arranged at two ends of the springs, and movable rods are fixedly connected to the side walls of the limiting plates. According to the utility model, the movable rod is matched with the spring, so that the sealing ring main body can play a buffering effect after being extruded, and the tightness of the sealing ring is ensured.

Description

High-pressure combined sealing ring

Technical Field

The utility model relates to the technical field of sealing rings, in particular to a high-pressure combined sealing ring.

Background

The sealing ring is a high-performance sealing piece with a special spring arranged in a U-shaped teflon, and the sealing lip is ejected out by proper spring force and system fluid pressure to lightly press a sealed metal surface so as to generate a very excellent sealing effect. The spring actuation effect can overcome the slight eccentricity of the metal mating surfaces and wear of the sealing lips while maintaining the desired sealing performance. However, the current sealing ring has poor tightness and elasticity due to simple structure.

Disclosure of Invention

The utility model aims to solve the technical problem that the fat cutting depth is not well controlled.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a high-pressure combined sealing ring, including sealing ring main part and inner circle, the mounting groove has been seted up to sealing ring main part inner wall, the sealing ring main part outside is provided with the wearing layer, the wearing layer lateral wall glues and glues there is the insulating layer, the insulating layer lateral wall glues and glues there is the enhancement layer, the enhancement layer lateral wall glues and glues there is the anticorrosive coating, anticorrosive coating lateral wall glues and glues there is the antiskid layer, can protect the sealing ring main part, improves the life of sealing ring;

the reinforcing layer internally mounted has two backup pads, two install the locating lever between the backup pad, locating lever mid-mounting has a plurality of locating sleeve, and is a plurality of the spring is all installed at locating sleeve mid-portion, and is a plurality of the limiting plate is all installed at the spring both ends, a plurality of limiting plate lateral wall equal fixedly connected with movable rod, a plurality of movable rod one end all passes locating sleeve one end and extends to outside and with backup pad lateral wall fixed connection, utilizes movable rod and spring to cooperate, utilizes the elasticity of spring to promote the backup pad and removes to make sealing washer and the laminating of the inner wall of work piece, thereby ensure the leakproofness of sealing washer.

Preferably, the mounting groove is arc-shaped and is attached to the outer wall of the inner ring.

Preferably, the middle part of the reinforcing layer is provided with two reinforcing rods, and the two reinforcing rods and the supporting plate are arranged at intervals.

Preferably, a plurality of limiting grooves are formed in the inner wall of the positioning sleeve, a plurality of limiting plates are connected with the two ends of the limiting plates in a sliding mode in the limiting grooves and used for limiting the limiting plates, and the limiting plates and the positioning sleeve are prevented from falling due to the elasticity of the springs.

Preferably, the heat insulation layer is made of glass fiber materials, and has good insulation property, strong heat resistance, good corrosion resistance and high mechanical strength.

Preferably, the outer side of the inner ring is arc-shaped.

The beneficial effects of the utility model are as follows:

according to the utility model, the inner ring is matched with the sealing ring main body, the wear-resistant layer is utilized to protect the sealing ring main body, so that the sealing ring main body is prevented from being excessively worn in the using process, the positioning sleeve, the movable rod and the spring are utilized to match, the sealing ring main body can play a buffering role after being extruded in the using process, and the elasticity of the spring can play a pushing role on the installed sealing ring main body, so that the sealing performance of the sealing ring main body is ensured.

Drawings

FIG. 1 is a perspective view of a high pressure combined seal ring of the present utility model;

FIG. 2 is a perspective view of an inner ring of a high pressure combined seal ring according to the present utility model;

FIG. 3 is a schematic view of a high pressure combined seal ring according to the present utility model;

FIG. 4 is a cross-sectional view of a high pressure composite seal ring according to the present utility model;

fig. 5 is an enlarged view of the utility model at a in fig. 4.

In the figure: 1. a seal ring main body; 2. an inner ring; 3. a mounting groove; 4. a wear-resistant layer; 5. a thermal insulation layer; 6. a reinforcing layer; 7. an anti-corrosion layer; 8. an anti-slip layer; 601. a reinforcing rod; 602. a support plate; 603. a movable rod; 604. positioning a sleeve; 605. a spring; 606. and a positioning rod.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1-5, a high-pressure combined sealing ring comprises a sealing ring main body 1 and an inner ring 2, wherein an installation groove 3 is formed in the inner wall of the sealing ring main body 1, a wear-resistant layer 4 is arranged on the outer side of the sealing ring main body 1, a heat-insulating layer 5 is adhered to the side wall of the wear-resistant layer 4, a reinforcing layer 6 is adhered to the side wall of the heat-insulating layer 5, a corrosion-resistant layer 7 is adhered to the side wall of the reinforcing layer 6, an anti-slip layer 8 is adhered to the side wall of the corrosion-resistant layer 7, and the sealing ring main body 1 is protected by the wear-resistant layer 4, so that the sealing ring main body 1 is prevented from being excessively worn in the using process, and the service life of the sealing ring main body 1 is prolonged;

the reinforcing layer 6 internally mounted has two backup pads 602, make movable rod 603 promote backup pad 602 and remove under the spring 605 effect, thereby promote sealing washer main part 1 and work piece laminating, can ensure sealing washer main part 1's leakproofness, install locating lever 606 between two backup pads 602, locating lever 606 mid-mounting has a plurality of locating sleeve 604, spring 605 is all installed at a plurality of locating sleeve 604 middles, make sealing washer main part 1 receive the effect that plays the buffering after the extrusion, limiting plate is all installed at a plurality of spring 605 both ends, a plurality of limiting plate lateral wall all fixedly connected with movable rod 603, a plurality of movable rod 603 one end all passes locating sleeve 604 one end and extends to outside and with backup pad 602 lateral wall fixed connection.

As shown in fig. 4 and 5, the mounting groove 3 is the arc setting and laminates with inner circle 2 outer wall, reinforcing layer 6 mid-mounting has two reinforcing rods 601 for improve sealing washer main part 1's intensity, two reinforcing rods 601 are the interval installation with backup pad 602, the spacing groove has been seted up to a plurality of positioning sleeve 604 inner walls, be used for spacing the position of limiting plate activity, avoid spring 605 to take place to drop, a plurality of limiting plate both ends all with the inside sliding connection of spacing groove, insulating layer 5 adopts glass fiber material to make, make the sealing washer main part have good insulating property, heat resistance is strong, corrosion resistance is good, mechanical strength is high, the inner circle 2 outside is the arc setting.

When the sealing ring is used, the inner ring 2 is arranged in the middle of the sealing ring main body 1, the outer side of the inner ring 2 is arranged with the mounting groove 3, so that the sealing performance of the sealing ring is enhanced, the spring 605 is matched with the movable rod 603, the sealing ring main body 1 has a buffering effect when being extruded, the elasticity of the spring 605 can reversely push the movable rod 603 to move, and the supporting plate 602 is pushed to move, so that the sealing performance of the sealing ring is ensured.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. The utility model provides a high pressure combination formula sealing washer, includes sealing washer main part (1) and inner circle (2), its characterized in that: the sealing ring comprises a sealing ring main body (1), wherein an installation groove (3) is formed in the inner wall of the sealing ring main body (1), a wear-resistant layer (4) is arranged on the outer side of the sealing ring main body (1), a heat-insulating layer (5) is adhered to the side wall of the wear-resistant layer (4), a reinforcing layer (6) is adhered to the side wall of the heat-insulating layer (5), an anti-corrosion layer (7) is adhered to the side wall of the reinforcing layer (6), and an anti-slip layer (8) is adhered to the side wall of the anti-corrosion layer (7);

the reinforcing layer (6) internally mounted has two backup pads (602), two install locating lever (606) between backup pad (602), locating lever (606) mid-mounting has a plurality of locating sleeve (604), and is a plurality of locating sleeve (604) middle part is all installed spring (605), and is a plurality of limiting plate is all installed at spring (605) both ends, a plurality of limiting plate lateral wall is fixed connection movable rod (603), a plurality of movable rod (603) one end all passes locating sleeve (604) one end and extends to outside and with backup pad (602) lateral wall fixed connection.

2. The high pressure composite seal ring of claim 1, wherein: the mounting groove (3) is arranged in an arc shape and is attached to the outer wall of the inner ring (2).

3. The high pressure composite seal ring of claim 1, wherein: two reinforcing rods (601) are arranged in the middle of the reinforcing layer (6), and the two reinforcing rods (601) and the supporting plate (602) are arranged at intervals.

4. The high pressure composite seal ring of claim 1, wherein: and the inner walls of the positioning sleeves (604) are provided with limiting grooves, and the two ends of the limiting plates are in sliding connection with the inner parts of the limiting grooves.

5. The high pressure composite seal ring of claim 1, wherein: the heat insulation layer (5) is made of glass fiber materials.

6. The high pressure composite seal ring of claim 1, wherein: the outer side of the inner ring (2) is in an arc shape.