CN205606078U - Fast -assembling seal for pipe joints device - Google Patents

Fast -assembling seal for pipe joints device Download PDF

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Publication number
CN205606078U
CN205606078U CN201620134523.XU CN201620134523U CN205606078U CN 205606078 U CN205606078 U CN 205606078U CN 201620134523 U CN201620134523 U CN 201620134523U CN 205606078 U CN205606078 U CN 205606078U
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China
Prior art keywords
plug
sealing ring
fast
compressing member
pipe fitting
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CN201620134523.XU
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Chinese (zh)
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王朝永
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王朝永
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Priority to CN201620134523.XU priority Critical patent/CN205606078U/en
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Abstract

The utility model discloses a fast -assembling seal for pipe joints device, it includes end cap, sealing washer and compresses tightly a constitution that wherein the sealing washer is worn to adorn with the end cap and is connected, compresses tightly piece and end cap threaded connection. This sealing device adopts inflatable seal, is applicable to sealed, the pressure testing of various straight tubes, return bend, and need not pipe fitting autologous or additional connecting piece, only need to fill in the pipe fitting with the device and treat sealed end, the precession compress tightly can, convenient operation is swift, time several seconds can be accomplished, improves the operating efficiency from this by a wide margin, alleviates intensity of labour.

Description

A kind of fast-assembling pipeline sealing device
Technical field
This utility model relates to pipe fitting processing technique field, is specifically related to a kind of fast-assembling pipeline sealing device.
Background technology
Along with progress and the expanding economy of society, fluid line is widely used in every field, its consumption can be rated as basic part, the elbow consumption as fluid line connecting portion is the most increasing.And pipeline generally all needs to carry out pressure test before production is dispatched from the factory and used installation and during using, to check pipe fitting quality condition, to ensure to use safety.And the sealing at two ends is the most troublesome thing during pipe fitting pressure testing, particularly two ends do not have the pipe fitting of connector and the pressure testing of bend pipe the most more to bother, it is generally required to first connect with fixing connector at pipe fitting end to be tested, and need good sealing, then reconnecting sealing mechanism, time-consuming bothersome, labor intensity is big, working performance is low, and sealed high-voltage resistant poor performance.
CN103574215.B discloses a kind of PE pipeline pressure test blind plate, and it is bolted by PE pipeline flanges, steel blind plate, steel flanges sheet, gasket seal, exhausting stub tube and air bleeding valve, pipeline flanges, steel blind plate, steel flanges sheet and gasket seal.Although this sealing structure sealing property is preferable and reliable, but it can not use on the pipe fitting do not set pipeline flanges, and installs cumbersome, and labor intensity is bigger.CN203595628.U discloses a kind of sealing device for open at both ends pipeline pressure test, left baffle and the elastomeric pad of connection is installed by securing member, it has simple in construction, the advantage such as quick for installation, but this structure is not used to the sealing of bend pipe, and install the through hole of connecting rod owing to its axis part is provided with, therefore sealing effectiveness is by a certain degree of impact, it is particularly difficult to adapt to the sealing under high pressure conditions.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of simple in construction, convenient to disassembly, the rapid-assembling/disassembling pipeline sealing device of dependable performance.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of fast-assembling pipeline sealing device, including
Plug, sealing ring and compressing member composition, wherein sealing ring installs with plug and is connected, and compressing member is threadeded with plug.
Described compressing member is connected with plug by blind hole.
Described plug installs sealing ring position and arranges cone structure.
Described plug installs sealing ring position and arranges concave arc surface of revolution structure.
The described conical surface and the concave arc surface of revolution plug axial line projected length less than or equal to described sealing ring axial width 1/2.
The axis part of described plug and compressing member arranges the through hole being interconnected.
The beneficial effects of the utility model are:
1) fast-assembling pipeline sealing device of the present utility model uses inflatable seal, it is applicable to various straight tube, the sealing of bend pipe, pressure testing, and without pipe fitting autologous or additional tie members, only this device need to be filled in pipe fitting end to be sealed, precession compressing member, convenient to operation, time several seconds can complete, working performance is thus greatly improved, reduces labor intensity;
2) through hole is set on plug and compressing member so that this utility model can be additionally used in inside pipe fitting pressurization and seals;
3) advantages such as compared with prior art, this utility model has applied widely, simple in construction, and cost of manufacture is low, and sealing property is reliable.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described:
Fig. 1 is the structural representation of this utility model embodiment one;
Fig. 2 is the structural representation of this utility model embodiment two;
Fig. 3 is the structural representation of this utility model embodiment three;
Fig. 4 is the structural representation of this utility model embodiment four;
Fig. 5 is the schematic diagram of the another kind of structure of this utility model embodiment four.
Detailed description of the invention
With embodiment, this utility model is described further below in conjunction with the accompanying drawings.
Embodiment one
As it is shown in figure 1, fast-assembling pipeline sealing device of the present utility model, form including plug 1, sealing ring 2 and compressing member 3.Wherein sealing ring 2 is between plug and compressing member 3, and installs with plug 1 and be connected.Plug 1 cross section is T-shaped structure, and its small end is connected with the screwed hole 4 of compressing member 3.Plug 1 holds external diameter to differ with the internal diameter of pipe fitting to be sealed greatly can be between 0.2-0.6mm, in order to install to pipe fitting to be sealed, has again preferable sealing property, stops the leakage of high-pressure fluid;The external diameter of sealing ring 2 differs with the internal diameter of pipe fitting to be sealed and can reduce expansion amplitude between 0.2-0.4mm, extends the service life of sealing ring 2, and has preferable sealing property, improves and seal grade;The external diameter of compressing member 3 differs with the internal diameter of pipe fitting to be sealed can be between 0.4-0.8mm, it is simple to installs to pipe fitting to be sealed, has again certain sealing property.Certainly, the screwed hole 4 of compressing member 3 is preferably set to blind hole, is beneficial to prevent high-pressure fluid from being held greatly the gap-between sealed pipe fittings inwall-plug 1 small end and sealing ring 2 endoporus and screwed hole to release, to improve sealing effectiveness by plug 1.
The fast-assembling pipeline sealing device of present embodiment is in use, its entirety can be installed to the end hole of pipe fitting to be sealed, precession compressing member 3, although now there is gap between plug 1 and pipe fitting to be sealed, but due to sealing ring and pipe fitting inner wall to be sealed and the frictional force of the small end excircle of plug 1, and plug 1 still can remain stationary as.Precession along with compressing member 3, sealing ring 2 is i.e. produced expanding of radially inner and outer round position by plug 1 with the extruding of compressing member 3 opposing end surface, eliminate the gap between sealing ring and pipe fitting inner wall to be sealed and plug small end outer round surface, and increase the frictional force between plug 1 and pipe fitting inner wall to be sealed, compressing member 3 then can apply the bigger power that screws and be compressed by sealing ring 2, thus can receive effective sealing effectiveness under the pressure of high-pressure fluid.When needs pressure release is removed, as long as reversely rotating compressing member 3, sealing ring 2 resilience, can easily fast-assembling pipeline sealing device be extracted out.So, this fast-assembling pipeline sealing device is convenient to operation, and time several seconds can complete to install and seal or remove.
Embodiment two
Referring to Fig. 2, the fast-assembling pipeline sealing device of present embodiment, form including plug 1, sealing ring 2 and compressing member 3.Wherein sealing ring 2 is between plug and compressing member 3, and installs with plug 1 and be connected.Plug 1 cross section is T-shaped structure, and its small end is connected with the screwed hole 4 of compressing member 3.Plug 1 holds external diameter to differ with the internal diameter of pipe fitting to be sealed greatly can be between 0.2-0.6mm, in order to install to pipe fitting to be sealed, has again preferable sealing property, stops the leakage of high-pressure fluid;The external diameter of sealing ring 2 differs with the internal diameter of pipe fitting to be sealed and can reduce expansion amplitude between 0.2-0.4mm, extends the service life of sealing ring 2, and has preferable sealing property, improves and seal grade;The external diameter of compressing member 3 differs with the internal diameter of pipe fitting to be sealed can be between 0.4-0.8mm, it is simple to installs to pipe fitting to be sealed, has again certain sealing property.Certainly, the screwed hole 4 of compressing member 3 is preferably set to blind hole, is beneficial to prevent high-pressure fluid from being held greatly the gap-between sealed pipe fittings inwall-plug 1 small end and sealing ring 2 endoporus and screwed hole to release, to improve sealing effectiveness by plug 1.Plug 1 small end installs the position of sealing ring 2 and arranges the conical surface 5 structure, and sealing ring 2 can be made to expand to cylindrical when compressing member 3 precession, and increase sealing ring 2, to sealed pipe fittings inwall and the thrust of plug 1 excircle, improves sealing effectiveness further.The described conical surface 4 the axial line of plug 1 projected length less than or equal to sealing ring 2 axial width 1/2, beneficially compressing member 3 precession puts in place.
Embodiment three
Referring to Fig. 3, the fast-assembling pipeline sealing device of present embodiment, form including plug 1, sealing ring 2 and compressing member 3.Wherein sealing ring 2 is between plug and compressing member 3, and installs with plug 1 and be connected.Plug 1 cross section is T-shaped structure, and its small end is connected with the screwed hole 4 of compressing member 3.Plug 1 holds external diameter to differ with the internal diameter of pipe fitting to be sealed greatly can be between 0.2-0.6mm, in order to install to pipe fitting to be sealed, has again preferable sealing property, stops the leakage of high-pressure fluid;The external diameter of sealing ring 2 differs with the internal diameter of pipe fitting to be sealed and can reduce expansion amplitude between 0.2-0.4mm, extends the service life of sealing ring 2, and has preferable sealing property, improves and seal grade;The external diameter of compressing member 3 differs with the internal diameter of pipe fitting to be sealed can be between 0.4-0.8mm, it is simple to installs to pipe fitting to be sealed, has again certain sealing property.Certainly, the screwed hole 4 of compressing member 3 is preferably set to blind hole, is beneficial to prevent high-pressure fluid from being held greatly the gap-between sealed pipe fittings inwall-plug 1 small end and sealing ring 2 endoporus and screwed hole to release, to improve sealing effectiveness by plug 1.The position that described plug 1 installs sealing ring 2 arranges concave arc surface of revolution 5a structure, concave arc surface of revolution 5a the axial line of plug 1 projected length less than or equal to described sealing ring axial width 1/2, this structure is so that plug 1 small end external diameter increases in the way of rounding off, the jam-packed of sealing ring 2 is more smooth and easy, avoid the damage of sealing ring 2 simultaneously, extend the service life of sealing ring 2.
Embodiment four
As shown in Figure 4, Figure 5, the fast-assembling pipeline sealing device of present embodiment is applicable to pressurization and the sealing of pipe fitting pressure testing, and it includes plug 1a, sealing ring 2a and compressing member 3a composition.Wherein sealing ring 2a is between plug and compressing member 3a, and installs with plug 1a and be connected.Plug 1a cross section is T-shaped structure, and its small end is connected with the screwed hole 4a of compressing member 3a.Plug 1a big end external diameter differs with the internal diameter of pipe fitting to be sealed can be between 0.2-0.6mm, in order to install to pipe fitting to be sealed, has again preferable sealing property, stops the leakage of high-pressure fluid;The external diameter of sealing ring 2a differs with the internal diameter of pipe fitting to be sealed and can reduce expansion amplitude between 0.2-0.4mm, extends the service life of sealing ring 2, and has preferable sealing property, improves and seal grade;The external diameter of compressing member 3 differs with the internal diameter of pipe fitting to be sealed can be between 0.4-0.8mm, it is simple to installs to pipe fitting to be sealed, has again certain sealing property.The position that described plug 1a installs sealing ring 2a arranges conical surface 5b(referring to Fig. 4) or concave arc surface of revolution 5c structure (referring to Fig. 5), conical surface 5b or concave arc surface of revolution 5c the axial line of plug 1 projected length less than or equal to described sealing ring axial width 1/2, this structure is so that plug 1 small end external diameter increases in the way of rounding off, the jam-packed of sealing ring 2 is more smooth and easy, avoid the damage of sealing ring 2 simultaneously, extend the service life of sealing ring 2.The axis part of described plug 1a and compressing member 3a is respectively provided with the through hole 6,7 being interconnected, compressing member 3a outer end can connect high-pressure fluid (including gas, water, oil or other fluid) transfer tube, for filling high-pressure fluid in sealed pipe fittings, there is reliable high pressure sealing performance simultaneously.

Claims (7)

1. a fast-assembling pipeline sealing device, it is characterised in that: including plug, sealing ring and compressing member composition, wherein sealing ring installs with plug and is connected, and compressing member is threadeded with plug.
2. fast-assembling pipeline sealing device as claimed in claim 1, it is characterised in that: described compressing member is connected with plug by blind hole.
3. fast-assembling pipeline sealing device as claimed in claim 1, it is characterised in that: described plug installs sealing ring position and arranges cone structure.
4. fast-assembling pipeline sealing device as claimed in claim 1, it is characterised in that: described plug installs sealing ring position and arranges concave arc surface of revolution structure.
5. fast-assembling pipeline sealing device as claimed in claim 3, it is characterised in that: the described conical surface plug axial line projected length less than or equal to described sealing ring axial width 1/2.
6. fast-assembling pipeline sealing device as claimed in claim 4, it is characterised in that: the described concave arc surface of revolution plug axial line projected length less than or equal to described sealing ring axial width 1/2.
7. fast-assembling pipeline sealing device as claimed in claim 1, it is characterised in that: the axis part of described plug and compressing member arranges the through hole being interconnected.
CN201620134523.XU 2016-02-23 2016-02-23 Fast -assembling seal for pipe joints device Active CN205606078U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620134523.XU CN205606078U (en) 2016-02-23 2016-02-23 Fast -assembling seal for pipe joints device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620134523.XU CN205606078U (en) 2016-02-23 2016-02-23 Fast -assembling seal for pipe joints device

Publications (1)

Publication Number Publication Date
CN205606078U true CN205606078U (en) 2016-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546269A (en) * 2016-02-23 2016-05-04 南阳市鼎钢实业有限公司 Quickly assembled pipeline sealing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546269A (en) * 2016-02-23 2016-05-04 南阳市鼎钢实业有限公司 Quickly assembled pipeline sealing device

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