CN209557655U - A kind of thin-walled compression joint type metal tube O-ring seal - Google Patents

Abstract

The utility model discloses a kind of thin-walled compression joint type metal tube O-ring seals of sealing ring technical field, including O-ring seal ontology, the inner wall circumference of O-ring seal ontology is uniformly fixedly installed with inner shield ring from front to back, inner shield ring includes the first inner shield ring layer and the second inner shield ring layer, the antetheca of the rear wall of first inner shield ring layer and the second inner shield ring layer is connected, the inner wall even circumferential of first inner shield ring layer and the second inner shield ring layer is provided with inner shield ring deformation groove, the outer wall circumference of O-ring seal ontology is uniformly fixedly installed with outer retaining ring from front to back, outer retaining ring includes the first outer retainer ring layer and the second outer retainer ring layer, the antetheca of the rear wall of first outer retainer ring layer and the second outer retainer ring layer is connected, the outer wall even circumferential of first outer retainer ring layer and the second outer retainer ring layer is provided with outer retaining ring deformation groove, present apparatus structure is simple, it is easy to use, effectively Avoid crimping it is not in place caused by crimping gap leakage situations such as generation.

Description

A kind of thin-walled compression joint type metal tube O-ring seal

Technical field

The utility model discloses a kind of thin-walled compression joint type metal tube O-ring seals, specially sealing ring technical field.

Background technique

With the increasing of people's health, environmental consciousness, feedwater piping has entered the environmentally protective revolutionary epoch, and thin-walled is stainless The connection of steel metal compression joint type is generally accepted, it has section material not available for pipeline roads all at present, efficient, ring The advantages of guarantor, long-life near perfect, is widely open in the whole world.Growing up as even more emerging rapidly in large numbersBamboo shoots after a spring rain in China, The entire feedwater piping market share is quickly incremented by with 10% paces.As market is increasing, especially thin-walled compression joint type is golden Belong to pipe because crimped when installation it is not in place caused by pressure point gap it is big, gap and easily retain rainwater, gap enters fine dust, The case where gap leakage, occurs.

Utility model content

The purpose of this utility model is to provide a kind of thin-walled compression joint type metal tube O-ring seals, to solve above-mentioned back Crimped when the installation proposed in scape technology it is not in place caused by pressure point gap it is big, gap easily retain rainwater, gap enter The problem of the case where fine dust, gap leakage, occurs.

To achieve the above object, the utility model provides the following technical solutions: a kind of thin-walled compression joint type metal tube is O-shaped close The inner wall circumference of seal, including O-ring seal ontology, the O-ring seal ontology is uniformly fixedly installed with interior gear from front to back Circle, the inner shield ring include the first inner shield ring layer and the second inner shield ring layer, gear in the rear wall of the first inner shield ring layer and second The antetheca of ring layer is connected, and it is recessed that the inner wall even circumferential of the first inner shield ring layer and the second inner shield ring layer is provided with inner shield ring deformation Slot, the deformation groove of inner shield ring described in two groups is staggered, and the outer wall circumference of the O-ring seal ontology is uniformly fixed from front to back Outer retaining ring is installed, the outer retaining ring includes the first outer retainer ring layer and the second outer retainer ring layer, the rear wall of the first outer retainer ring layer It is connected with the antetheca of the second outer retainer ring layer, the outer wall even circumferential of the first outer retainer ring layer and the second outer retainer ring layer is provided with outer Retaining ring deforms groove, and outer retaining ring deformation groove described in two groups is staggered.

It preferably, is integrally formed between the O-ring seal ontology and inner shield ring and outer retaining ring.

Preferably, the inner shield ring and outer retaining ring are at least provided with two groups.

Preferably, one end of the inner shield ring and outer retaining ring is provided with radian.

Compared with prior art, the utility model has the beneficial effects that multiple groups are arranged by the first inner shield ring layer, the in the present apparatus The outer retaining ring of the inner shield ring and the first outer retainer ring layer of two inner shield ring layers composition, the second outer retainer ring layer composition, when leaking crimping, pipeline Interior water can pass through the first inner shield ring layer, the gap of the second inner shield ring interlayer and the first outer retainer ring layer, the second outer retaining ring interlayer Gap outflow, when examination allow, effectively find to leak, and when crimping to pipeline, inner shield ring and outer retaining ring are squeezed jointly Pressure causes the first inner shield ring layer and the second inner shield ring layer stress deformation to respectively enter in inner shield ring deformation groove, the first outer retaining ring Layer and the second outer retainer ring layer stress deformation respectively enter in outer retaining ring deformation groove, the first inner shield ring layer made and the second inner shield ring Layer contacts with each other, even if crimping is not in place, inner shield ring and outer retaining ring can also form effective sealing, avoids leakage phenomenon, this Apparatus structure is simple, easy to use, effectively avoid crimping it is not in place caused by crimping gap leakage situations such as generation.

Detailed description of the invention

Fig. 1 is the utility model thin-walled compression joint type metal tube O-ring seal schematic elevation view；

Fig. 2 is the right view schematic cross-sectional view of the utility model thin-walled compression joint type metal tube O-ring seal；

Fig. 3 is the outer retaining ring rank street face figure of the utility model thin-walled compression joint type metal tube O-ring seal.

In figure: 100 O-ring seal ontologies, 200 inner shield rings, 210 first inner shield ring layers, 220 second inner shield ring layers, 230 Inner shield ring deforms groove, 300 outer retaining rings, 310 first outer retainer ring layers, 320 second outer retainer ring layers, 330 outer retaining rings and deforms groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of thin-walled compression joint type metal tube O-ring seal, effectively avoids crimping not in place cause Crimping gap leakage situations such as occur, please refer to Fig. 1 and Fig. 2, including O-ring seal ontology 100；

Referring to Fig. 1 and Fig. 2, the inner wall circumference of O-ring seal ontology 100 is uniformly fixedly installed with interior from front to back Retaining ring 200, inner shield ring 200 enter pipeline by 100 inner wall of O-ring seal ontology for stopping in extraneous dust or pipeline flowing water Or pipe leakage, inner shield ring 200 includes the first inner shield ring layer 210 and the second inner shield ring layer 220, after the first inner shield ring layer 210 The antetheca of wall and the second inner shield ring layer 220 is connected, and the inner wall circumference of the first inner shield ring layer 210 and the second inner shield ring layer 220 is equal Even to be provided with inner shield ring deformation groove 230, two groups of inner shield ring deformation grooves 230 are staggered, and when leakage crimps, inner shield ring deforms groove 230 can effectively be found for leaking when crimping is checked and accepted, and when crimping, inner shield ring deforms groove 230 and is used for 210 He of the first inner shield ring layer Second inner shield ring layer 220 enters the inner cavity of inner shield ring deformation groove 230, so that the first inner shield ring layer 210 and the second inner shield ring layer 220 are in close contact, and realize effectively sealing；

Fig. 1, Fig. 2 and Fig. 3 are please referred to, the outer wall circumference of O-ring seal ontology 100 is uniformly fixedly installed with outer from front to back Retaining ring 300, outer retaining ring 300 enter pipeline by 100 outer wall of O-ring seal ontology for stopping in extraneous dust or pipeline flowing water Or pipe leakage, outer retaining ring 300 includes the first outer retainer ring layer 310 and the second outer retainer ring layer 320, after the first outer retainer ring layer 310 The antetheca of wall and the second outer retainer ring layer 320 is connected, and the outer wall circumference of the first outer retainer ring layer 310 and the second outer retainer ring layer 320 is equal Even to be provided with outer retaining ring deformation groove 330, two groups of outer retaining ring deformation grooves 330 are staggered, and when leakage crimps, outer retaining ring deforms groove 330 can effectively be found for leaking when crimping is checked and accepted, and when crimping, outer retaining ring deformation groove 330 is used for the first outer 310 He of retainer ring layer Second outer retainer ring layer 320 enters the inner cavity of deformation groove 330, so that the first outer retainer ring layer 310 and the second outer retainer ring layer 320 are close Effectively sealing is realized in contact；

When specifically used, pipeline insertion is had the double card pressure pipe part of O-ring seal ontology 100 by those skilled in the art In, when leaking crimping, the flowing water of pipeline by the first inner shield ring layer 210, the second inner shield ring layer 220 and the first outer retainer ring layer 310, Inner shield ring deformation groove 230 and outer retaining ring deformation groove 330 between second outer retainer ring layer 320 leak and go out, to pipeline and double card When pressure pipe part is crimped, 100 forced compression of O-ring seal ontology, then the first inner shield ring layer 210, the second inner shield ring layer 220 With the first outer retainer ring layer 310, second 320 forced compressions of outer retainer ring layer so that the first inner shield ring layer 210, the second inner shield ring layer 220 stress deformations enter inner shield ring deformation groove 230 in, the first outer retainer ring layer 310, the second outer 320 stress deformation of retainer ring layer into Enter in outer retaining ring deformation groove 330, even if crimping is not in place, due to the first inner shield ring layer 210, the second inner shield ring layer 220 and the One outer retainer ring layer 310, the second outer 320 stress deformation of retainer ring layer, the first inner shield ring layer 210 and the contact of the second inner shield ring layer 220, the One outer retainer ring layer 310 and the second outer retainer ring layer 320 contact, inner shield ring 200 and outer retaining ring 300 can also stroke effectively seal.

Be between O-ring seal ontology 100 and inner shield ring 200 and outer retaining ring 300 it is integrally formed, improve O-shaped sealing Enclose the bonding strength between ontology 100 and inner shield ring 200 and outer retaining ring 300, manufacture easy to produce；

Referring to Fig. 2, inner shield ring 200 and outer retaining ring 300 at least provided with two groups, improve O-ring seal ontology 100 Sealing effect；

Referring to Fig. 3, one end of inner shield ring 200 and outer retaining ring 300 is provided with radian, and when convenient for crimping, 200 He of inner shield ring Outer 300 forced compression of retaining ring deformation.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of thin-walled compression joint type metal tube O-ring seal, it is characterised in that: including O-ring seal ontology (100), the O The inner wall circumference of type sealing ring body (100) is uniformly fixedly installed with inner shield ring (200) from front to back, the inner shield ring (200) Including the first inner shield ring layer (210) and the second inner shield ring layer (220), in the rear wall and second of the first inner shield ring layer (210) The antetheca of retainer ring layer (220) is connected, and the inner wall circumference of the first inner shield ring layer (210) and the second inner shield ring layer (220) is equal Even to be provided with inner shield ring deformation groove (230), the deformation of inner shield ring described in two groups groove (230) is staggered, the O-ring seal sheet The outer wall circumference of body (100) is uniformly fixedly installed with outer retaining ring (300) from front to back, and the outer retaining ring (300) includes outside first Retainer ring layer (310) and the second outer retainer ring layer (320), the rear wall of the first outer retainer ring layer (310) and the second outer retainer ring layer (320) Antetheca be connected, the outer wall even circumferential of the first outer retainer ring layer (310) and the second outer retainer ring layer (320) is provided with outer retaining ring It deforms groove (330), outer retaining ring deformation groove (330) described in two groups is staggered.

2. a kind of thin-walled compression joint type metal tube O-ring seal according to claim 1, it is characterised in that: described O-shaped close It is integrally formed between seal ontology (100) and inner shield ring (200) and outer retaining ring (300).

3. a kind of thin-walled compression joint type metal tube O-ring seal according to claim 1, it is characterised in that: the interior gear (200) and outer retaining ring (300) are enclosed at least provided with two groups.

4. a kind of thin-walled compression joint type metal tube O-ring seal according to claim 1, it is characterised in that: the interior gear One end of circle (200) and outer retaining ring (300) is provided with radian.