CN205606086U - Fire -resistant type pipe joint - Google Patents
Fire -resistant type pipe joint Download PDFInfo
- Publication number
- CN205606086U CN205606086U CN201620386843.4U CN201620386843U CN205606086U CN 205606086 U CN205606086 U CN 205606086U CN 201620386843 U CN201620386843 U CN 201620386843U CN 205606086 U CN205606086 U CN 205606086U
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- fire
- refractory protection
- pipe joint
- cover
- fastening bolt
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Abstract
The utility model discloses a fire -resistant type pipe joint, including take open -ended annular shell, locate this annular housing opening department fastening bolt, arrange the sealing washer in this annular shell, still include: hug closely and fix the annular shell the outer wall on, by refractory material make, and will the fire -resistant protective strip of flexible in it is acceptd to annular shell circumference to and can connect with buckling fire -resistant protective strip's one end, equally by refractory material make, and will the fire -resistant safety cover of fastening bolt cover in it, fire -resistant protective strip's axial both sides edge all perpendicular shaping have radially inwards convex, and will the cladding of annular shell is at its inboard profile of tooth strip, fire -resistant safety cover will the opening of fastening bolt and annular shell covers completely to be established in it, has only seted up the confession in one side of this fire -resistant safety cover fastening bolt's bolt head exposes so that right fastening bolt locks / becomes flexible the keyhole of crossing of operation. The utility model discloses can guarantee that pipe joint still has stronger leakproofness in the scene of a fire.
Description
Technical field
This utility model relates to a kind of pipe joint, especially a kind of fire safe type pipe joint.
Background technology
In pipeline construction, it is the most universal application demand that pipeline connects.At present, enter with pipe joint
The connection of line pipe road is widely used.
Existing pipe joint generally comprises the annular outer cover of an opening, the built-in sealing ring of shell, sealing ring
Outer wall be close to outer casing inner wall but the two is not fixed together, fastening bolt is arranged on the opening part of shell, uses
In fastening this shell, when fastening bolt tightens, the gap shrinks at shell aperture, make shell to sealing ring
Form radially inner chucking power, so that shell is fastened, and and then make the inwall of sealing ring shrink with folder
The outer wall of tight placement pipeline therein realizes sealing.But, this pipe joint is usual due to sealing ring
Using elastomeric material, when a fire, pipe joint is in the scene of a fire, and case surface temperature steeply rises,
Cause the rubber softening of inwall, it is impossible to reach sealing effectiveness, thus lose the sealing meaning of pipe joint.
Summary of the invention
This utility model purpose is: for the problems referred to above, it is provided that a kind of fire safe type pipe joint, to ensure pipe
Road joint still has stronger sealing in the scene of a fire.
The technical solution of the utility model is: a kind of fire safe type pipe joint, including band opening annular outer cover,
The fastening bolt being located at this annular outer cover opening part, the sealing ring being arranged in this annular outer cover, also include:
It is close to be fixed on the outer wall of described annular outer cover, by refractory material and makes and by described annular outer cover circumference
House flexible refractory protection bar in the inner, and bent be connected to the one of described refractory protection bar
Hold, be made up and by described fastening bolt cover refractory protection cover within it of refractory material equally；Described resistance to
On the axial dual-side of fire ceiling, all vertical forming has radially inwardly projecting and by described annular outer cover bag
Covering profile of tooth bar within it, described refractory protection cover is by complete for the peristome of described fastening bolt and annular outer cover
Entirely be located in it, only the side at this refractory protection cover offer the bolt head for described fastening bolt expose,
Operation is locked/loosened to described fastening bolt cross keyhole.
This utility model, on the basis of technique scheme, also includes following preferred version:
Described refractory protection cover and described refractory protection bar are integral type structure.
Described refractory protection bar and refractory protection cover are to be fixed on described annular outer cover by three stainless steel screws
On, wherein a described stainless steel screw is arranged at described refractory protection cover, other two described stainless
Steel screw is arranged on the one end of described refractory protection bar.
Described refractory protection cover includes the roof being arranged in parallel with described fastening bolt, can be connected to this to bending
Four pieces of sidewalls of roof surrounding, one of sidewall is connected as a single entity, with this with one end of described refractory protection bar
The end of that block sidewall that block sidewall is positioned opposite is provided with the bending edges of inside bending.
Described fastening bolt has two, and is hexagon socket head cap screw.
Described sealing ring is close to be fixed on the inwall of described annular outer cover.
The axial dimension of described annular outer cover is less than the axial dimension of described refractory protection bar.
The utility model has the advantages that:
1, this utility model is additionally arranged refractory protection bar and the refractory protection that refractory material is made in pipe joint
Cover, and refractory protection bar is by outer cover body sealing cover within it, and refractory protection cover is by the peristome of shell also
Sealing cover is in the inner completely, and refractory protection cover and refractory protection bar i.e. have fire-resistant temperature resistance effect, have again physics
Safeguard function so that pipe joint will not cause seal failure owing to temperature is too high when fire, reaches fire prevention
Effect, add the service life of pipe joint.
2, sealing ring is close on the inwall of annular outer cover and fixes with annular outer cover be connected.So can protect
Card sealing ring positional stability in annular outer cover, prevents sealing ring from occurring skew to affect sealing effectiveness.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, in embodiment being described below
The required accompanying drawing used is briefly described, and the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the three-dimensional structure diagram of fire safe type pipe joint in this utility model embodiment；
Fig. 2 is the sectional view of fire safe type pipe joint in this utility model embodiment；
Fig. 3 is refractory protection bar and the refractory protection cover exhibition of fire safe type pipe joint in this utility model embodiment
Structural representation after opening.
Wherein: 1-annular outer cover, 2-fastening bolt, 3-sealing ring, 4-refractory protection bar, 4a-profile of tooth, 5-is resistance to
Fire protective cover, 5a-crosses keyhole, 51-roof, 52-sidewall, 53-bending edges, 6-stainless steel screw.
Detailed description of the invention
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are to use
It is not limited to limit scope of the present utility model in explanation this utility model.The implementation condition used in embodiment
Can do adjustment further according to the condition of concrete producer, not marked implementation condition is usually in normal experiment
Condition.
Fig. 1～Fig. 3 shows a specific embodiment of this utility model this fire safe type pipe joint, with biography
System pipe joint is identical, and it also includes the annular outer cover 1 of band opening, is located at this annular outer cover opening part
Fastening bolt 2, the sealing ring 3 being arranged in this annular outer cover.Wherein fastening bolt 2 has two, and all
For hexagon socket head cap screw.During actual application, this pipe joint is set in the joint of two pipelines, passes through hexagonal
Spanner rotates described fastening bolt 2 and makes the gap of annular outer cover 1 opening part diminish, and then makes annular outer cover 1
Sealing ring 3 is formed radially inner chucking power, and shell is fastened, and and then makes the inwall of sealing ring shrink
The outer wall placing two pipelines therein with clamping realizes sealing.
The key improvements of the present embodiment is: this fire safe type pipe joint also includes refractory protection bar 4 and fire-resistant
Protective cover 5.Wherein, refractory protection bar 4 is flexible, is made up of refractory material, and it is close to be fixed on described ring
On the outer wall of shape shell 1, and annular outer cover 1 circumference is housed in the inner.Refractory protection cover 5 is bently
Being connected to one end of described refractory protection bar 4, refractory protection cover 5 is also made up of refractory material, and by institute
State fastening bolt 2 to cover within it.
And, in this example, the axial dimension of described annular outer cover 1 is axial less than described refractory protection bar 4
Size, on the axial dual-side of refractory protection bar 4, equal vertical forming has radially inwardly projecting and by described
Annular outer cover 1 is coated with profile of tooth bar 4a within it.Refractory protection cover 5 is by described fastening bolt 2 and annular
The peristome of shell 1 is located in it completely, and the only side at this refractory protection cover 5 offers for fastening spiral shell
The bolt head of bolt 2 exposed keyhole 5a, arrange described cross keyhole 5a structure, be for convenience people to institute
State fastening bolt 2 to carry out locking/loosen operation.
Further, the most described refractory protection cover 5 is integral type structure with described refractory protection bar 4, i.e.
The two is a monolithic construction.Refractory protection bar 4 and refractory protection cover 5 are by three stainless steel screws 6
Being fixed on described annular outer cover 1, wherein a described stainless steel screw 6 is arranged on described refractory protection
Covering at 5, other two described stainless steel screws 6 are arranged on the one end of described refractory protection bar 4.
Refractory protection cover 5 specifically can refer to shown in Fig. 1 and Fig. 3, it includes flat with described fastening bolt 2
Roof 51 that row is arranged, can be connected to bending four pieces of sidewalls 52 of this roof 51 surrounding, one of side
Wall 52 is connected as a single entity with one end of described refractory protection bar 4, with this block sidewall 52 (the most aforesaid and fire-resistant guarantor
That block sidewall that one end of guard strip 4 is connected as a single entity) end of that block sidewall 52 positioned opposite is provided with inwardly
The bending edges 53 of bending.
Refractory protection cover 5 and the refractory protection bar 4 of said structure form cooperate, it is possible to the most closely
Whole pipe joint (is included annular outer cover 1, fastening bolt 2, the peristome of annular outer cover 1 and annular
Sealing ring 3 in shell) it is located at completely in it (only exposing the bolt head of fastening bolt).So that pipe
Road joint will not cause seal failure owing to temperature is too high when fire, reaches fireproof effect.And, resistance to
Fire protective cover 5 and refractory protection bar 4 all use refractory fibrous material to make so that pipe joint can be
Last up to the high temperature resistant use of half an hour under the high temperature of 800 DEG C, add the service life of pipe joint.
And, in the present embodiment, described sealing ring 3 is close on the inwall of described annular outer cover 1, and
And fix with annular outer cover 1.It is arranged such, it is ensured that the sealing ring 3 position in annular outer cover 1 is steady
Qualitative, prevent sealing ring 3 from occurring skew to affect sealing effectiveness.
Certainly, above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow
People will appreciate that content of the present utility model and implement according to this, can not limit guarantor of the present utility model with this
Protect scope.All equivalent transformations done according to the spirit of this utility model main technical schemes or modification,
All should contain within protection domain of the present utility model.
Claims (7)
1. a fire safe type pipe joint, including band opening annular outer cover (1), be located at this annular outer cover
The fastening bolt (2) of opening part, the sealing ring (3) being arranged in this annular outer cover, it is characterised in that should
Fire safe type pipe joint also includes:
It is close to be fixed on the outer wall of described annular outer cover (1), by refractory material and makes and by described annular
Shell circumference houses flexible refractory protection bar (4) in the inner, and
It is connected to one end of described refractory protection bar (4) bently, same is made up of refractory material and will
Described fastening bolt (2) cover refractory protection cover (5) within it；
On the axial dual-side of described refractory protection bar (4), equal vertical forming has radially inwardly projecting and will
Described annular outer cover (1) cladding profile of tooth bar (4a) within it, described refractory protection cover (5) is by institute
The peristome stating fastening bolt (2) and annular outer cover (1) is located in it completely, only at this refractory protection
The side of cover (5) offers the bolt head for described fastening bolt (2) and exposes to described fastening spiral shell
Bolt (2) carries out locking/loosening the keyhole (5a) excessively of operation.
2. fire safe type pipe joint as claimed in claim 1, it is characterised in that: described refractory protection cover (5)
It is integral type structure with described refractory protection bar (4).
3. fire safe type pipe joint as claimed in claim 2, it is characterised in that: described refractory protection bar (4)
It is fixed on described annular outer cover (1) by three stainless steel screws (6) with refractory protection cover (5),
Wherein a described stainless steel screw (6) is arranged on described refractory protection cover (5) place, described in other two
Stainless steel screw (6) is arranged on the one end of described refractory protection bar (4).
4. fire safe type pipe joint as claimed in claim 3, it is characterised in that: described refractory protection cover (5)
Including the roof (51) being arranged in parallel with described fastening bolt (2), can be connected to bending this roof (51)
Four pieces of sidewalls (52) of surrounding, one of sidewall (52) connects with one end of described refractory protection bar (4)
Being integrated, the end of that the block sidewall (52) positioned opposite with this block sidewall (52) is provided with inside bending
Bending edges (53).
5. fire safe type pipe joint as claimed in claim 1, it is characterised in that: described fastening bolt (2)
Have two, and be hexagon socket head cap screw.
6. fire safe type pipe joint as claimed in claim 1, it is characterised in that: described sealing ring (3)
It is close to be fixed on the inwall of described annular outer cover (1).
7. fire safe type pipe joint as claimed in claim 1, it is characterised in that: described annular outer cover (1)
Axial dimension less than the axial dimension of described refractory protection bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386843.4U CN205606086U (en) | 2016-05-03 | 2016-05-03 | Fire -resistant type pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386843.4U CN205606086U (en) | 2016-05-03 | 2016-05-03 | Fire -resistant type pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205606086U true CN205606086U (en) | 2016-09-28 |
Family
ID=56968198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620386843.4U Active CN205606086U (en) | 2016-05-03 | 2016-05-03 | Fire -resistant type pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205606086U (en) |
-
2016
- 2016-05-03 CN CN201620386843.4U patent/CN205606086U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |