CN206592702U - A kind of sealing device of the nitrogen charging mouth of pipe - Google Patents
A kind of sealing device of the nitrogen charging mouth of pipe Download PDFInfo
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- CN206592702U CN206592702U CN201720246634.4U CN201720246634U CN206592702U CN 206592702 U CN206592702 U CN 206592702U CN 201720246634 U CN201720246634 U CN 201720246634U CN 206592702 U CN206592702 U CN 206592702U
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- pipe
- nitrogen charging
- charging mouth
- sealing
- sealing device
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Abstract
The utility model discloses a kind of sealing device of the nitrogen charging mouth of pipe, it includes the sealing cap assemblies for being used to seal the nitrogen charging mouth of pipe, and the sealing cap assemblies and the nitrogen charging mouth of pipe are detachably connected.Sealing device of the present utility model can carry out simple and effective and quick assembly and disassembly, and equipment is transported to can directly carry out installing and debugging operations or storage behind scene, without the cutting taken over again and sanding operation, can simplify field procedure, improve operating efficiency.
Description
Technical field
The utility model is related to equipment field of sealing technology, more particularly to it is a kind of can be to needing to carry out the container of nitrogen filled protection operation
The now preferable sealedly nitrogen charging orifice sealing device of welded pipe cause for gossip with heat exchanger.
Background technology
Nitrogen filled protection is in order to which protection equipment is not contaminated during manufacture is finished and come into operation or is corroded and is studied
A kind of technology of protection equipment, in the industry many aspects have important application, such as by holding vessel, transformer, anti-
Answer the equipment such as device to carry out nitrogen filled protection, can effectively contain and apply nitrogen protection to rise in equipment corrosion, many occasions
Acted on to safety in production, environmental protection, prevention and cure of occupational disease etc..In addition, gas-filled protective can also play a certain degree of rigid support
Effect, it is to avoid be deformed during equipment conveying.
At present, the encapsulating method that device fabrication producer uses is generally that the nitrogen charging mouth of pipe stays direct welding blind plate after certain allowance,
As shown in figure 1, being that blind plate 200 is directly welded on the nitrogen charging mouth of pipe 100 mostly.Nitrogen blanketing valve after equipment is transported to scene again to welding
Mouth 100 is further cut, work of polishing, and is finally processed into structure snd size as defined in mechanical drawing, finally input peace
Fill and use.
And use the equipment of this encapsulating method be transported to need further to cut the mouth of pipe of welding behind scene,
Polishing work will also result in certain influence, especially nuclear power row to the duration, it is necessary to take a substantial amount of time and human cost
Industry, equipment is generally stainless steel material manufacture, and interface is generally welding structure, therefore traditional welding manner more influences construction
Efficiency.
Utility model content
For above-mentioned problems of the prior art, the utility model provides a kind of simple and effective, rapid-assembling/disassembling
Nitrogen charging orifice sealing device.Using the sealing device, equipment is transported to can directly carry out installing and debugging operations or storage behind scene
Deposit, without the cutting taken over again and sanding operation, field procedure can be simplified, operating efficiency is improved.
The technical scheme that the utility model is proposed with regard to above-mentioned technical problem is as follows：
There is provided a kind of sealing device of the nitrogen charging mouth of pipe, it includes the sealing cap assemblies for being used to seal the nitrogen charging mouth of pipe,
The position of the sealing cap assemblies is fixed by fixation kit, makes not occur between the sealing cap assemblies and the nitrogen charging mouth of pipe
Relative displacement, and the sealing cap assemblies and the nitrogen charging mouth of pipe are detachably connected.
It is preferred that, the sealing cap assemblies include：
The cap body matched with the nitrogen charging orifice configuration, the cap body outward flange is provided perpendicular to institute
State the erection part of cap body；The erection part outer wall is extended with flange along the direction away from the cap body center；
The diameter of the cap body is less than the nitrogen charging spout diameter, and the flange is erected at the nitrogen charging mouth of pipe
On so that the cap body is intraoral positioned at the nitrogen blanketing valve, and is filled by the cap body and flange to described
The nitrogen mouth of pipe is sealed.
It is preferred that, at least one through hole for supplying fixation kit to pass through, the fixation are radially offered in the erection part
Component is abutted after passing through the through hole with the nitrogen charging internal wall of pipe orifice, by the fixation kit and the nitrogen charging internal wall of pipe orifice it
Between frictional force come fix it is described sealing cap assemblies position.
It is preferred that, radially offer in the erection part it is that at least three is uniformly arranged, passed through for the fixation kit
A fixation kit is equipped with through hole, and each through hole；The fixation kit is holding screw.
It is preferred that, on the cap body outer wall, circumferentially offer in annular groove, the annular groove and be provided with annular
Sealing ring, for being sealed to the space between the cap body and the nitrogen charging internal wall of pipe orifice.
It is preferred that, the cap body upper surface is provided with handle.
It is preferred that, the cap body, erection part and flange are integrally formed.
It is preferred that, the sealing cap assemblies include lid and are located on the nitrogen charging mouth of pipe, for sealing the nitrogen charging mouth of pipe
Pad；The fixation kit is used to fix the pads placement, makes do not occur relative displacement between the pad and the nitrogen charging mouth of pipe.
It is preferred that, the fixation kit includes：
It is fixed on the orifice plate of the nitrogen charging mouth of pipe outer wall；It is arranged on the flange above the pad；And bolt；
The bolt fixes the flange and orifice plate through the mounting hole on the flange and the fixing hole on orifice plate
Locking, by pad described in the flange screw, keeps the relative position of the pad and the nitrogen charging mouth of pipe to fix.
It is preferred that, the orifice is continuously set around the nitrogen charging mouth of pipe outer wall, and the fixing hole on the orifice plate is uniform
It is arranged at intervals；
Or the orifice plate there are several, and set around the nitrogen charging mouth of pipe outer wall uniform intervals；Each orifice plate
Center is provided with the fixing hole.The technical solution of the utility model has the following technical effect that：
Can carry out simple and effective and quick assembly and disassembly, equipment transport to can directly carry out installing behind scene and debugging operations or
Storage, without the cutting taken over again and sanding operation, can simplify field procedure, improve operating efficiency.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the sealing device schematic diagram of the nitrogen charging mouth of pipe in the prior art；
Fig. 2 is the profile of the sealing device in the utility model embodiment one；
Fig. 3 is the profile of the sealing device in the utility model embodiment two.
Fig. 4 is the structural representation of the orifice plate continuously set in the utility model embodiment two.
Fig. 5 is the structural representation of spaced orifice plate in the utility model embodiment two.
Embodiment
The utility model for present in prior art, due to the nitrogen charging mouth of pipe using being welded and fixed by the way of closure
To be sealed, it is therefore desirable to the mouth of pipe of welding is further cut, could be used, it is necessary to expend after work of polishing
Substantial amounts of time and human cost, there is provided a kind of nitrogen orifice sealing device for the problem of certain influence is will also result in the duration.
Its core concept is：The sealing device of the nitrogen charging mouth of pipe includes the sealing cap assemblies for being used to seal the nitrogen charging mouth of pipe, and described
Seal cap assemblies and the nitrogen charging mouth of pipe is detachably connected, sealing cap assemblies are no longer welded and fixed with the nitrogen charging mouth of pipe, because
This can carry out simple and effective and quick assembly and disassembly, and equipment is transported to can directly carry out installing and debugging operations or storage behind scene,
Without the cutting taken over again and sanding operation, field procedure can be simplified, operating efficiency is improved.
Embodiment one：
Fig. 2 shows the structural representation of the sealing device of the nitrogen charging mouth of pipe in the utility model, and it includes being used to seal institute
The sealing cap assemblies of the nitrogen charging mouth of pipe 1 are stated, the position of the sealing cap assemblies is fixed by fixation kit 4, makes the closure group
Relative displacement does not occur between part and the nitrogen charging mouth of pipe 1, and the sealing cap assemblies removably connect with the nitrogen charging mouth of pipe 1
Connect.It is preferred that, the sealing device is applied to the industry, the core 2 that is particularly suitable for use in, 3 grades of rustless steel containers and heat exchange such as chemical industry, nuclear industry
The nitrogen charging ferrule of device.
In the present embodiment, the sealing cap assemblies include：
With the cap body 2 of the form fit of the nitrogen charging mouth of pipe 1, the outward flange of cap body 2 is provided with vertically
In the erection part 6 of the cap body 2；Direction of the outer wall of erection part 6 along the remote center of cap body 2 is (i.e.
Direction in Fig. 2 where the central axis Y of cap body 2) it is extended with flange 7；
The diameter of the cap body 2 is less than the internal diameter of the nitrogen charging mouth of pipe 1；Further, the flange 7 is erected at institute
State on the nitrogen charging mouth of pipe 1 so that the cap body 2 and erection part 6 can be located in the nitrogen charging mouth of pipe 1, and by described
Cap body 2 and flange 7 are sealed to the nitrogen charging mouth of pipe 1 jointly.
At least one through hole for supplying fixation kit 4 to pass through, the fixation kit 4 are radially offered in the erection part 6
Inwall after through the through hole with the nitrogen charging mouth of pipe 1 is abutted, by the fixation kit 4 and the inwall of the nitrogen charging mouth of pipe 1
Between frictional force come fix it is described sealing cap assemblies position.In the present embodiment, radially opened up in preferably described erection part 6
Have through hole that multiple (they being preferably more than 3) are uniformly arranged, being passed through for the fixation kit 4, and in each through hole
Provided with a fixation kit 4；It is preferred that, the fixation kit 4 is holding screw.It is multiple logical by being opened up in the erection part 6
Hole, can increase the quantity through the fixation kit 4 of the through hole, thus further enhance the fixation kit 4 and the nitrogen charging
Frictional force between the inwall of the mouth of pipe 1, prevents sealing cap assemblies from loosening, the position of the fixed sealing cap assemblies.
Meanwhile, to strengthen on sealing effectiveness, the outer wall of cap body 2, circumferentially offer annular groove, the annular
O-ring seal 3 (such as O-ring seal) is provided with groove, for the cap body 2 and the inwall of the nitrogen charging mouth of pipe 1 it
Between space sealed.
It is easy to personnel to lift the handle 5 of cap body 2 in addition, the upper surface of cap body 2 is additionally provided with.And be
It is easy to manufacture, the cap body 2, erection part 6 and flange 7 can be integrally formed, and the making material of three can be according to institute
Depending on the material for stating the nitrogen charging mouth of pipe, such as it can be made of stainless steel.
The manufacture of sealing device and installation method are as follows in the present embodiment：
1st, each part is manufactured according to part drawing dimensioned, cap body, erection part and flange are with needing sealedly
The nitrogen charging mouth of pipe coordinates manufacture；
2nd, handle is welded on cap body back；
The 3rd, O-ring seal is installed；
4th, the cap body with erection part and flange is installed on the nitrogen charging mouth of pipe, and with holding screw by its with
Nitrogen charging internal wall of pipe orifice, which is abutted, to be fixed.
Sealing device manufacture is easy, to the good sealing effect of the nitrogen charging mouth of pipe, and equipment is transported to behind scene without again to filling
The nitrogen mouth of pipe carries out secondary operation, it is necessary to which in use, unscrew holding screw, the sealing device is pulled down.
Embodiment two：
The present embodiment additionally provides another sealing cap assemblies, as shown in figure 3, the sealing cap assemblies are located at including lid
Pad 10 on the nitrogen charging mouth of pipe 1 ', for sealing the nitrogen charging mouth of pipe 1 '；The fixation kit is used to fix the pad
10 positions, make the pad 10 that the fixation kit of relative displacement not occur with the nitrogen charging mouth of pipe 1 '.
Specifically, the fixation kit includes：
The orifice plate 20 of the outer wall of the nitrogen charging mouth of pipe 1 ' is fixed on by modes such as welding, bondings；It is arranged on the pad 10
The flange 30 of top；And bolt 40；
The bolt 40 is through the mounting hole 50 on the flange 30 and the fixing hole 60 on orifice plate 20, by the flange
30 fix locking with orifice plate 20, and then compress the pad 10 by the flange 30, keep the pad 10 and the nitrogen charging
The relative position of the mouth of pipe 1 ' is fixed.
In the present embodiment, as shown in figure 4, the orifice plate 20 is continuously set around the outer wall of the nitrogen charging mouth of pipe 1 ', and it is described
The uniform intervals of fixing hole 60 on orifice plate 10 are set；
Or as shown in figure 5, the orifice plate 20 has several, and the circular outer wall uniform intervals of the nitrogen charging mouth of pipe 1 ' are set；
The center of each orifice plate 20 is provided with the fixing hole 60.
By being uniformly arranged fixing hole 60 around the outer wall of the nitrogen charging mouth of pipe 1 ', it may be such that and fastened by bolt 40
When, the stress equalization of pad 10, flange 30 and orifice plate 20, it is ensured that the uniformity of fastening, be not in partially sealed effect not
Good phenomenon is produced.
In use, only need to may be such that flange 30 is separated with orifice plate 20 by unclamping bolt 40, and then remove lid and be located at
Pad 10 on the nitrogen charging mouth of pipe 1 ', its good sealing effect equally to the nitrogen charging mouth of pipe, and equipment transports nothing behind scene to
Secondary operation need to be carried out to the nitrogen charging mouth of pipe again.
It should be noted that the technical characteristic in above-described embodiment one and two can be combined, the skill combined
Art scheme belongs to protection domain of the present utility model.
In summary, sealing device of the present utility model nitrogen charging pressure be generally 200~300mmHg (26.7~
Sealing effectiveness is good under operating mode 40kPa)；The sealing device described using the utility model, equipment is added in manufactory by drawing
Work, transport to butt tube need not be processed again behind scene, compared to traditional encapsulating method, reduce the operational sequence at scene,
Operating efficiency is improved, substantial amounts of manpower and expense can be saved, is also beneficial to save the duration.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of sealing device of the nitrogen charging mouth of pipe, including for sealing the sealing cap assemblies of the nitrogen charging mouth of pipe, it is characterised in that
The position of the sealing cap assemblies is fixed by fixation kit, makes not occur between the sealing cap assemblies and the nitrogen charging mouth of pipe
Relative displacement, and the sealing cap assemblies and the nitrogen charging mouth of pipe are detachably connected.
2. sealing device as claimed in claim 1, it is characterised in that the sealing cap assemblies include：
The cap body matched with the nitrogen charging orifice configuration, the cap body outward flange is provided perpendicular to described close
Cover the erection part of main body；The erection part outer wall is extended with flange along the direction away from the cap body center；
The diameter of the cap body is less than the nitrogen charging spout diameter, and the flange is erected on the nitrogen charging mouth of pipe, made
Obtain the cap body intraoral positioned at the nitrogen blanketing valve, and by the cap body and flange to the nitrogen charging mouth of pipe
Sealed.
3. sealing device as claimed in claim 2, it is characterised in that at least one confession is radially offered in the erection part
The through hole that fixation kit is passed through, the fixation kit is abutted after passing through the through hole with the nitrogen charging internal wall of pipe orifice, by described
Frictional force between fixation kit and the nitrogen charging internal wall of pipe orifice fixes the position of the sealing cap assemblies.
4. sealing device as claimed in claim 3, it is characterised in that at least three is radially offered in the erection part equal
Even setting, the through hole that is passed through for the fixation kit, and it is equipped with a fixation kit in each through hole；Described fixed group
Part is holding screw.
5. sealing device as claimed in claim 2, it is characterised in that on the cap body outer wall, circumferentially offer
Be provided with O-ring seal in annular groove, the annular groove, for the cap body and the nitrogen charging internal wall of pipe orifice it
Between space sealed.
6. sealing device as claimed in claim 2, it is characterised in that the cap body upper surface is provided with handle.
7. sealing device as claimed in claim 2, it is characterised in that the cap body, erection part and flange one
Shaping.
8. sealing device as claimed in claim 1, it is characterised in that the sealing cap assemblies are located at the nitrogen blanketing valve including lid
Pad on mouth, for sealing the nitrogen charging mouth of pipe；The fixation kit be used for fix the pads placement, make the pad with
Do not occur relative displacement between the nitrogen charging mouth of pipe.
9. sealing device as claimed in claim 8, it is characterised in that the fixation kit includes：
It is fixed on the orifice plate of the nitrogen charging mouth of pipe outer wall；It is arranged on the flange above the pad；And bolt；
The bolt is through the mounting hole on the flange and the fixing hole on orifice plate, by the flange and orifice plate fixing lock
Tightly, by pad described in the flange screw, the relative position of the pad and the nitrogen charging mouth of pipe is kept to fix.
10. sealing device as claimed in claim 9, it is characterised in that the orifice is continuous around the nitrogen charging mouth of pipe outer wall
Set, and the fixing hole uniform intervals on the orifice plate are set；
Or the orifice plate there are several, and set around the nitrogen charging mouth of pipe outer wall uniform intervals；The center of each orifice plate
Place is provided with the fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720246634.4U CN206592702U (en) | 2017-03-14 | 2017-03-14 | A kind of sealing device of the nitrogen charging mouth of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720246634.4U CN206592702U (en) | 2017-03-14 | 2017-03-14 | A kind of sealing device of the nitrogen charging mouth of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592702U true CN206592702U (en) | 2017-10-27 |
Family
ID=60124096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720246634.4U Active CN206592702U (en) | 2017-03-14 | 2017-03-14 | A kind of sealing device of the nitrogen charging mouth of pipe |
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| Country | Link |
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| CN (1) | CN206592702U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662346A (en) * | 2018-06-25 | 2018-10-16 | 珠海格力电器股份有限公司 | End-sealing device and heat exchanger and air conditioner |
| CN110159859A (en) * | 2019-05-29 | 2019-08-23 | 株洲时代新材料科技股份有限公司 | Fluid liquid conveyance conduit Butterworth Hatch setting method and structure |
| CN110227894A (en) * | 2018-03-06 | 2019-09-13 | 兰州兰石重型装备股份有限公司 | A kind of pressure vessel opening adapter tube nitrogen charging tooling and its application method |
-
2017
- 2017-03-14 CN CN201720246634.4U patent/CN206592702U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227894A (en) * | 2018-03-06 | 2019-09-13 | 兰州兰石重型装备股份有限公司 | A kind of pressure vessel opening adapter tube nitrogen charging tooling and its application method |
| CN108662346A (en) * | 2018-06-25 | 2018-10-16 | 珠海格力电器股份有限公司 | End-sealing device and heat exchanger and air conditioner |
| CN110159859A (en) * | 2019-05-29 | 2019-08-23 | 株洲时代新材料科技股份有限公司 | Fluid liquid conveyance conduit Butterworth Hatch setting method and structure |
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