CN216306720U

CN216306720U - High-pressure-resistant anti-deformation sealing ring

Info

Publication number: CN216306720U
Application number: CN202122329345.XU
Authority: CN
Inventors: 刘建升
Original assignee: Shenzhen Duke Sealing Technology Co ltd
Current assignee: Shenzhen Duke Sealing Technology Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-04-15
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a high-pressure-resistant and deformation-resistant sealing ring which comprises a main body, a small sealing lip, a first spring, a heat conducting fin, a threaded rod, an inner sealing lip, an outer sealing lip, a second spring, a clamping frame, a framework and a wear-resistant outer ring, wherein the framework is embedded and installed in the main body, the edge of the framework is bent backwards in a right angle manner, a round hole is formed in the middle of the main body, the small sealing lip is fixedly installed on the inner wall of the front side of the main body, which is located at the round hole, an arc-shaped groove is formed in the outer wall of the front part of the small sealing lip, and the first spring is embedded and installed at the arc-shaped groove of the small sealing lip. The multi-stage high-efficiency sealing device is reasonable in structural design, capable of performing multi-stage high-efficiency sealing, capable of guaranteeing the sealing stability of the sealing position, guaranteeing the cleanness of the sealing position, preventing foreign matters from entering and wearing the large sealing lip and the inner sealing lip, good in using effect, capable of guaranteeing the service life and high in practicability.

Description

High-pressure-resistant anti-deformation sealing ring

Technical Field

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

Background

The sealing ring has good sealing performance within a certain temperature range under working pressure, the sealing performance can be automatically improved along with the increase of the pressure, the friction force between the sealing ring device and a moving part is small, the friction coefficient is stable, the sealing ring has strong corrosion resistance, is not easy to age, and has long service life and good wear resistance.

The existing sealing ring is insufficient in high pressure resistance, can cause leakage in an environment with overlarge pressure difference, is insufficient in strength, poor in assembly stability and easy to deform.

Accordingly, those skilled in the art have provided a high pressure resistant and deformation resistant seal ring to solve the problems set forth in the background art described above.

Disclosure of Invention

The utility model aims to provide a high-pressure-resistant deformation-resistant sealing ring to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-pressure-resistant and deformation-resistant sealing ring comprises a main body, a small sealing lip, a first spring, a heat conducting fin, a threaded rod, an inner sealing lip, an outer sealing lip, a second spring, a clamping frame, a framework and a wear-resistant outer ring, wherein the framework is embedded in the main body, the edge of the framework is bent backwards in a right angle, a round hole is formed in the middle of the main body, the small sealing lip is fixedly installed on the inner wall of the front side of the main body, which is positioned at the round hole, an arc-shaped groove is formed in the outer wall of the front portion of the small sealing lip, the first spring is embedded and fixedly installed at the arc-shaped groove of the small sealing lip, a large sealing lip extending backwards is arranged in the main body, a semi-ring clamping groove is formed in the outer wall of the rear portion of the large sealing lip, a second spring is embedded and fixedly installed at the semi-ring clamping groove of the large sealing lip, the outer sealing lip is fixedly installed at the inner wall of the rear portion of the large sealing lip, the side wall of the middle of the framework is fixedly installed with the threaded rod through threaded screwing connection, threaded rod outside rear portion cover is established and is installed the clamp plate, and fixed mounting has the card frame between clamp plate and the skeleton, and the card frame front end inlays and establishes fixed mounting in skeleton rear side inner wall department, skeleton front side fixed mounting has the conducting strip of equidistance range, lateral wall seted up with conducting strip complex opening before the main part, main part outside cover is established and is installed wear-resisting outer loop.

As a further scheme of the utility model: the wear-resistant outer ring comprises convex rings and wear-resistant rings, the outer walls of the wear-resistant rings are provided with the convex rings which are arranged at equal intervals, and the inner walls of the wear-resistant rings are fixedly connected with the outer wall of the main body in an embedded mode.

As a still further scheme of the utility model: the main part inboard is located big seal lip middle part inner wall department fixed mounting has interior seal lip, and interior seal lip opening is forward, interior seal lip is thick before thin tubaeform after being.

As a still further scheme of the utility model: the clamping frames are symmetrically arranged, and the rear ends of the clamping frames are provided with guide arcs.

As a still further scheme of the utility model: the opening of the outer sealing lip faces backwards, and the outer sealing lip is in a horn shape with a thin back and a thick front.

Compared with the prior art, the utility model has the beneficial effects that:

the multi-stage high-efficiency sealing device is reasonable in structural design, capable of performing multi-stage high-efficiency sealing, capable of guaranteeing the sealing stability of the sealing position, guaranteeing the cleanness of the sealing position, preventing foreign matters from entering and wearing the large sealing lip and the inner sealing lip, good in using effect, capable of guaranteeing the service life and high in practicability.

Drawings

Fig. 1 is a schematic structural diagram of a high pressure resistant and deformation resistant seal ring.

Fig. 2 is a schematic structural diagram of a top view angle of a high pressure resistant deformation-resistant sealing ring.

Fig. 3 is a schematic top view of a portion of a high pressure resistant, deformation resistant seal ring.

Fig. 4 is a schematic top view of the framework, the clamping frame and the heat conducting fin in the high pressure resistant and deformation resistant sealing ring.

In the figure: the sealing device comprises a main body 1, a small sealing lip 2, a convex ring 3, a first spring 4, a heat conducting fin 5, a wear-resistant ring 6, a threaded rod 7, an inner sealing lip 8, an outer sealing lip 9, a second spring 10, a clamping frame 11, a framework 12, a pressing plate 13 and a large sealing lip 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a high pressure resistant and deformation resistant seal ring includes a main body 1, a small seal lip 2, a first spring 4, a heat conducting fin 5, a threaded rod 7, an inner seal lip 8, an outer seal lip 9, a second spring 10, a clamping frame 11, a framework 12 and a wear-resistant outer ring, the framework 12 is embedded and installed inside the main body 1, the edge of the framework 12 is bent backwards in a right angle, a circular hole is opened in the middle of the main body 1, the small seal lip 2 is fixedly installed on the inner wall of the main body 1 at the front side of the circular hole, an arc groove is provided on the outer wall of the front portion of the small seal lip 2, the first spring 4 is embedded and installed at the arc groove of the small seal lip 2, a large seal lip 14 extending backwards is installed inside the main body 1, a half ring clamping groove is opened on the outer wall of the rear portion of the large seal lip 14, the second spring 10 is embedded and installed at the half ring clamping groove of the large seal lip 14, big 14 rear portion inner walls of seal lip inlay and establish fixed mounting and have outer seal lip 9, skeleton 12 middle part lateral wall connects fixed mounting through the screw soon has threaded

rod

7, and 7 outside rear portion covers of threaded rod establish and install clamp plate 13, and fixed mounting has card frame 11 between clamp plate 13 and the skeleton 12, and card frame 11 front end inlays and establishes fixed mounting in 12 rear side inner walls of skeleton department, 12 front side fixed mounting of skeleton has the conducting strip 5 of equidistance range, 1 front side of main part lateral wall seted up with 5 complex openings of conducting strip, 1 outside cover of main part is established and is installed wear-resisting outer loop.

The wear-resistant outer ring comprises convex rings 3 and wear-resistant rings 6, the outer walls of the wear-resistant rings 6 are provided with the convex rings 3 which are arranged at equal intervals, and the inner walls of the wear-resistant rings 6 are fixedly connected with the outer wall of the main body 1 in an embedded mode.

The inboard 14 middle part inner walls that are located big seal lip of main part 1 department fixed mounting have interior seal lip 8, and interior seal lip 8 opening is forward, interior seal lip 8 is thick before thin tubaeform in the back.

The clamping frames 11 are symmetrically arranged, and guide arcs are arranged at the rear ends of the clamping frames 11.

The opening of the outer sealing lip 9 is backward, and the outer sealing lip 9 is in a horn shape with a thin back and a thick front.

The working principle of the utility model is as follows:

the utility model relates to a high-pressure-resistant deformation-resistant sealing ring, which is used for high-pressure sealing, when the device works, a clamping frame 11 is fixed on a shaft seat, the clamping frame 11 is fixedly clamped with the shaft seat, the assembly is stable, a large sealing lip 14 faces to a high-pressure direction, the large sealing lip 14 is pressed through a second spring 10, auxiliary sealing is carried out through an inner sealing lip 8, the inner sealing lip 8 is in a horn shape with a thick back part and a thin front part, efficient sealing is carried out by matching the large sealing lip 14 with the second spring 10, in addition, in order to ensure the sealing stability of the sealing position, reverse sealing is carried out by matching a sealing lip 2 and the inner sealing lip 8 with a first spring 4, external dust or impurities are prevented from entering, the cleanness of the sealing position is ensured, foreign matters are prevented from entering and abrading the large sealing lip 14 and the inner sealing lip 8, secondary sealing is carried out by matching the inner sealing lip 8, the sealing effect is ensured, and simultaneously, a wear-resistant outer ring is assembled at the outer edge position, the wear-resisting effect of main part is guaranteed, and through the setting of conducting strip 5, the area of contact of skeleton 12 and outside air is improved, guarantees the radiating effect of device, guarantees life.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-pressure-resistant and deformation-resistant sealing ring comprises a main body (1), a small sealing lip (2), a first spring (4), a heat conducting fin (5), a threaded rod (7), an inner sealing lip (8), an outer sealing lip (9), a second spring (10), a clamping frame (11), a framework (12) and a wear-resistant outer ring, and is characterized in that the framework (12) is embedded and installed inside the main body (1), the edge of the framework (12) is bent backwards in a right angle manner, a round hole is formed in the middle of the main body (1), the small sealing lip (2) is fixedly installed on the inner wall of the front side of the main body (1) at the round hole, an arc-shaped groove is formed in the outer wall of the front portion of the small sealing lip (2), the first spring (4) is embedded and fixedly installed at the arc-shaped groove of the small sealing lip (2), a large sealing lip (14) extending backwards is arranged inside the main body (1), and a semi-ring clamping groove is formed in the outer wall of the rear portion of the large sealing lip (14), big seal lip (14) are located semi-ring draw-in groove department and inlay fixed mounting and establish second spring (10), big seal lip (14) rear portion inner wall inlays and establishes fixed mounting and have outer seal lip (9), skeleton (12) middle part lateral wall connects fixed mounting to have threaded rod (7) soon through the screw thread, and threaded rod (7) outside rear portion cover is established and is installed clamp plate (13), and fixed mounting has card frame (11) between clamp plate (13) and skeleton (12), and card frame (11) front end inlays and establishes fixed mounting in skeleton (12) rear side inner wall department, skeleton (12) front side fixed mounting has heat conduction piece (5) that the equidistance was arranged, main part (1) front side wall seted up with heat conduction piece (5) complex opening, main part (1) outside cover is established and is installed wear-resisting outer loop.

2. The high pressure resistant and deformation resistant seal ring according to claim 1, wherein the wear resistant outer ring comprises a convex ring (3) and a wear resistant ring (6), the outer wall of the wear resistant ring (6) is provided with the convex rings (3) which are arranged at equal intervals, and the inner wall of the wear resistant ring (6) is fixedly connected with the outer wall of the main body (1) in an embedded manner.

3. The high pressure resistant and deformation resistant sealing ring according to claim 1, characterized in that an inner sealing lip (8) is fixedly installed at the inner wall of the middle part of the large sealing lip (14) at the inner side of the main body (1), the inner sealing lip (8) is opened forward, and the inner sealing lip (8) is in a horn shape with a thick back and a thin front.

4. The high pressure resistant and deformation resistant sealing ring according to claim 1, wherein the clamping frames (11) are symmetrically arranged, and the rear ends of the clamping frames (11) are provided with guiding arcs.

5. The high pressure resistant and deformation resistant seal ring according to claim 1, characterized in that the outer sealing lip (9) opens backwards, and the outer sealing lip (9) is flared with a thin back and a thick front.