CN209026189U - The seal plug of ultrahigh pressure vessel - Google Patents

Abstract

The utility model discloses a kind of seal plugs of ultrahigh pressure vessel comprising: plug and sealing device.Sealing device is set to the end of the plug, and the sealing device is arranged successively by soft seal, y-type seal ring, delta-ring and clamp ring in delta-ring and is formed.Whereby, the seal plug of the ultrahigh pressure vessel of the utility model, it is simple and reasonable, by the sealing device of setting, the identical precision of plug and vessel port is improved, and sealing effect is good, long service life has saved cost without often replacement.

Description

The seal plug of ultrahigh pressure vessel

Technical field

The utility model is about technical field of sealing technology, especially with regard to a kind of seal plug of ultrahigh pressure vessel.

Background technique

In extra-high tension unit plug play the role of be: closing high-pressure bottle, maintain extreme high static pressure pressure, play close Envelope effect, guarantees the validity of ultra high pressure treatment.

The pressure of extreme pressure high static pressure equipment is generally above 100MPa.Sealing structure is ultra-high-pressure processing equipment system Effective operation of middle part and parcel, food high-pressure equipment depends on its material of sealing system, structure, the reasonability of mode.It is super The requirement of high-pressure bottle closure system generally has, and 1, under normal working conditions, guarantee the sealing effect of container；2, structure letter It is single, convenient for manufacture, installation, disassembly and maintenance；3, sealing structure is compact, and sealing element is few, and it is few to occupy high-pressure space；4, required Fastener constructions are simple, light and handy, to reduce weight of equipment；5, durability is good, and failure, spoilage are low；6, plug is pushed into release side Just it operates, opening speed is fast.

It is screw-type and screw that conventional ultra high, which presses the connection type of equipment plug, and screw-type plug needs ultrahigh pressure vessel It is directly connected to plug by screw thread.As container capacity increases the raising with processing pressure, plug is also required to accordingly add therewith Greatly.The unlatching of threaded plug must be opened by mechanical force or using tool, and complicated for operation, opening speed is slow.Screw Required manual operation, may be only available for small device when unlatching.Therefore, direct-push automatically turns on plug and is increasingly becoming superelevation pressure-volume The first choice of device sealing system.

Common several sealing devices have: 1, forced seal.Such as plain cushion, Cachaly seal, single conical ring sealing.It relies primarily on There is certain contact pressure between sealing element and sealing element, to reach sealing effect.Lead to equipment after rising due to interior pressure With the deformation of fastener, reduce contact pressure, ultrahigh pressure vessel suggestion is not used.2, semi-automatic seal.It represents form It is the sealing of biconial ring.It has it is certain from sigma compactness, but with the raising of pressure, because its design feature is limited, sealing element It decreases with by the contact pressure between sealing element, actually still needs to biggish pretightning force, apply model which limits it It encloses.3, self-tightening sealing.Such as O-ring, C-shaped ring, B shape ring, triangular loop, wedge ring, Bridgman sealing, combined type.By In its design feature, contact force after pressure rise between sealing element and top cover, barrel end is increased, and sealing is more effective； Pressure is higher, and sealing effect is better.Ultrahigh pressure vessel sealing elements all at present are loaded in mostly on the groove of container cavity, with Plug separation, referred to as external.Since food is big with ultrahigh pressure vessel capacity, pressure is high, bore is big, food processing is added Inevitably frequently opening and closing in journey, so that the deformation of external sealing element or abrasion, are easy to fall off from groove, need frequently to fill Carry, service life is short, and due to material selection it is improper so that sealing element cannot or hardly bear high pressure.

The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing Technology.

Utility model content

It is simple and reasonable the purpose of this utility model is to provide a kind of seal plug of ultrahigh pressure vessel, pass through The sealing device of setting improves the identical precision of plug and vessel port, and sealing effect is good, long service life, without warp Often replacement, has saved cost.

To achieve the above object, the utility model provides a kind of seal plug of ultrahigh pressure vessel comprising: plug with And sealing device.Sealing device is set to the end of the plug, and sealing device is sealed by soft seal, Y type in delta-ring Circle, delta-ring and clamp ring are arranged successively composition.

In a preferred embodiment, plug is in cylindrical body.

In a preferred embodiment, the material of y-type seal ring is PU, and y-type seal ring is pressure bearing and seal original part.

In a preferred embodiment, the material of delta-ring is beryllium-bronze.

In a preferred embodiment, the end of plug is fixed by plug connector.

In a preferred embodiment, sealing device is sheathed on the end of plug.

In a preferred embodiment, plug has inclined-plane close to end, and end is column type, and the inclined-plane of plug is used To be matched with the clamp ring of sealing device.

Compared with prior art, the seal plug of ultrahigh pressure vessel according to the present utility model, it is simple and reasonable, pass through The sealing device of setting improves the identical precision of plug and vessel port, and sealing effect is good, long service life, without warp Often replacement, has saved cost.

Detailed description of the invention

Fig. 1 is the schematic perspective view according to the seal plug of the ultrahigh pressure vessel of one embodiment of the utility model.

Fig. 2 is the side, sectional structural representation according to the seal plug of the ultrahigh pressure vessel of one embodiment of the utility model Figure.

Fig. 3 is the seal plug overlooking structure diagram according to the ultrahigh pressure vessel of one embodiment of the utility model.

Main appended drawing reference explanation:

1- plug, 2- sealing device, soft seal in 3- delta-ring, 4-Y type sealing ring, 5- delta-ring, 6- clamp ring.

Specific embodiment

With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical Novel protection scope is not limited by the specific implementation.

Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.

As shown in Figure 1 to Figure 3, Fig. 1 is the seal plug according to the ultrahigh pressure vessel of one embodiment of the utility model Schematic perspective view；Fig. 2 is the side, sectional according to the seal plug of the ultrahigh pressure vessel of one embodiment of the utility model Structural schematic diagram；Fig. 3 is the seal plug overlooking structure diagram according to the ultrahigh pressure vessel of one embodiment of the utility model.

According to a kind of seal plug of ultrahigh pressure vessel of the preferred embodiments of the present invention comprising: plug 1 and Sealing device 2.Sealing device 2 is sheathed on the end of plug 1, and sealing device 2 is sealed by soft seal 3, Y type in delta-ring Circle 4, delta-ring 5 and clamp ring 6 are arranged successively composition.Wherein, soft seal 3 is set close to the side of the end of plug 1 in delta-ring There is delta-ring 5, passes through soft seal 3 in the delta-ring of setting, the effect mainly 200MPa following pressures under low-pressure state Play sealing function when increasing, prevent liquid leakage in cavity, and by the delta-ring 5 of setting, by extruding metal deformation come Sealing forms inside and outside combined triangular sealing, the reliability of high pressure sealing is improved by inside and outside triangular deformation, realizes good sealing Effect, delta-ring 5 use beryllium-bronze material, and delta-ring 5 is equipped with Y close to the side of 1 end of plug far from soft seal 3 in delta-ring Type sealing ring 4, y-type seal ring 4 are a kind of pressure bearing and seal original part, and y-type seal ring 4 is far from triangle using PU material The side of soft seal 3 is equipped with clamp ring 6 in padding, and plug 1 has one to be truncated into inclined-plane close to end, and end is column, and plug 1 is oblique Face matches with the clamp ring 6 in sealing device 2, by the clamp ring 6 of setting, can compress combination sealing suit, prevent Y type The movement of sealing ring 4, reaches sealing purpose.Single unit system improves plug 1 and vessel port by the sealing device 2 of setting Identical precision；And it is formed by combining using a set of by soft seal 3 in delta-ring, y-type seal ring 4, delta-ring 5 and clamp ring 6 Seal assembly, sealing effect is excellent, and container inner pressure is enabled to maintain 1000MPa；Seal assembly is directly installed on nothing The recess of the end of screw thread super-pressure plug 1 is easy to load, and avoids taking it out when extracting plug 1, protect it from frayed And deformation, and without often replacement, whole system is wear-resistant, long service life, easy to operate, save the cost.

In a preferred embodiment, plug 1 is in cylindrical body；The material of y-type seal ring 4 is PU, and y-type seal ring 4 For pressure bearing and seal original part；The material of delta-ring 5 is beryllium-bronze.

In a preferred embodiment, the end of plug 1 is fixed by plug connector；Sealing device 2 is sheathed on plug 1 end；In a preferred embodiment, plug 1 has inclined-plane close to end, and end is column type, and the inclined-plane of plug 1 It is matched to the clamp ring 6 with sealing device 2.

In practical applications, the workflow of the seal plug of the ultrahigh pressure vessel of the utility model is as follows: in use, stifled First 1 end is fixed by plug connector, and plug 1 directly gos deep into container, and without being together by a threaded connection, plug 1 is close End has one to be truncated into inclined-plane, and end is column, and plug 1 is cased with sealing device 2, which is followed successively by soft close in delta-ring Envelope 3, y-type seal ring 4, delta-ring 5 and clamp ring 6, the inclined-plane of plug 1 and the clamp ring 6 in sealing device 2 coincide, and are formed One resealing；Plug 1 progresses into super-pressure inside cavity by external force push-in, external force is continued to, so that the cylinder of plug 1 Part coincide with sealing device 2, reaches significantly more two resealing of effect, and the effect of soft seal 3 mainly exists in delta-ring Pressure plays sealing function when increasing, delta-ring 5 uses beryllium-bronze material, sealed by extruding metal deformation, inside and outside formation Combined triangular sealing, the reliability of high pressure sealing is improved by inside and outside triangular deformation, realizes good sealing effect, the sealing of Y type Enclosing 4 materials is PU, is a kind of pressure bearing and seal original part, plays a role when pressure is lower, and its role is to compression groups for clamp ring 6 Sealing suit is closed, prevents y-type seal ring 4 mobile, reaches sealing purpose, single unit system structure is simple and convenient to operate and seals effect Fruit is good, has certain promotional value.

In short, the seal plug of the ultrahigh pressure vessel of the utility model has the beneficial effect that:

1, by the clamp ring of setting, combination sealing suit can be compressed, the movement of y-type seal ring is prevented, reaches sealing Purpose；

2, by soft seal in the delta-ring of setting, (200MPa or less) is pressed mainly under low-pressure state for effect Power plays sealing function when increasing, and prevents liquid leakage in cavity；

3, by the delta-ring of setting, beryllium-bronze material is used, is sealed by extruding metal deformation, inside and outside group is formed Delta seal is closed, the reliability of high pressure sealing is improved by inside and outside triangular deformation, realizes good sealing effect；

4, single unit system improves the identical precision of plug and vessel port, and use one by the sealing device of setting The seal assembly being formed by combining by soft seal in delta-ring, y-type seal ring, delta-ring and clamp ring is covered, sealing effect is excellent It is good, enable container inner pressure to maintain 1000MPa, seal assembly is directly installed on the recess of non-threaded super-pressure plug end Place is easy to load, and avoids taking it out when extracting plug, protects it from frayed and deformation, and without often replacement, entire to be It unites wear-resistant, long service life is easy to operate, save the cost.

The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims (7)

1. a kind of seal plug of ultrahigh pressure vessel characterized by comprising

Plug；And

Sealing device, is set to the end of the plug, and the sealing device by soft seal in delta-ring, y-type seal ring, Delta-ring and clamp ring are arranged successively composition.

2. the seal plug of ultrahigh pressure vessel as described in claim 1, which is characterized in that the plug is in cylindrical body.

3. the seal plug of ultrahigh pressure vessel as described in claim 1, which is characterized in that the material of the y-type seal ring is PU, and the y-type seal ring is pressure bearing and seal original part.

4. the seal plug of ultrahigh pressure vessel as described in claim 1, which is characterized in that the material of the delta-ring is that beryllium is green Copper.

5. the seal plug of ultrahigh pressure vessel as described in claim 1, which is characterized in that the end of the plug is connected by plug Fitting is fixed.

6. the seal plug of ultrahigh pressure vessel as described in claim 1, which is characterized in that the sealing device is sheathed on described The end of plug.

7. the seal plug of ultrahigh pressure vessel as described in claim 1, which is characterized in that the plug is close to the end With inclined-plane, the end is column type, and the inclined-plane of the plug is to the clamp ring phase with the sealing device Cooperation.