CN203147107U - Reliable sealing purging joint - Google Patents
Reliable sealing purging joint Download PDFInfo
- Publication number
- CN203147107U CN203147107U CN 201320096354 CN201320096354U CN203147107U CN 203147107 U CN203147107 U CN 203147107U CN 201320096354 CN201320096354 CN 201320096354 CN 201320096354 U CN201320096354 U CN 201320096354U CN 203147107 U CN203147107 U CN 203147107U
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- CN
- China
- Prior art keywords
- connecting body
- reliable sealing
- purges
- joint
- purging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a reliable sealing purging joint, which comprises a locking nut, a connecting body, a scavenging pipe and a purging connecting pipe, wherein the purging connecting pipe is fixedly pressed on the connecting body through the locking nut, and is communicated with the scavenging pipe; annular grooves are formed in the end face, by which the purging connecting pipe is pressed, of the locking nut and the end face, by which the purging connecting pipe is pressed, of the connecting body; and the pressed part of the purging connecting pipe is deformed and embedded into the annular grooves. The pressed part of the purging connecting pipe is embedded into the annular grooves, so that the leakage of gas is prevented, and the sealing reliability is ensured.
Description
Technical field
The utility model relates to a kind of purging joint.
Background technique
Existing annealing furnace nitrogen purges operation, and the copper tube by will be to be purged directly is pressed between connecting body and the nut, as long as compress slightly a little defective of junction plane or copper tube surface, just causes gas leakage easily, causes unnecessary waste, increases cost of production etc.
Summary of the invention
A kind of purging joint that technical problem to be solved in the utility model just provides is simple in structure, can effectively seal.
For solving the problems of the technologies described above, the utility model adopts following technological scheme, a kind of reliable sealing purges joint, comprise locking nut, connecting body, gas blow pipe and purging are taken over, described purging is taken over to be pressed abd fixed on the connecting body and with gas blow pipe by locking nut and is connected, and described locking nut compresses and purges the end face taken over and connecting body and compress and purge the end face of taking over and be equipped with annular groove, purges the pressing section of taking over and produces distortion and also embed in the described annular groove.
Preferably, to compress the end face of purge taking over be conical surface to described connecting body.
Preferably, described purging is taken over and is copper tube.
Preferably, the pressing section of described purging adapter is reaming.
Preferably, the cross section of described annular groove is square, circle or triangle.
Preferably, the number of described annular groove is 1 to 3.
Preferably, described gas blow pipe comprises inipple, and described inipple is connected with described connecting body.
Preferably, be provided with the red copper pad between described inipple and the described connecting body.
Preferably, described connecting body compresses on the Transverse plane of described red copper pad and described inipple compresses on the wall of described red copper pad and is equipped with circular groove, and the pressing section of described red copper pad produces distortion and also embeds described circular groove.
Preferably, the cross section of described circular groove is square, circle or triangle.
A kind of reliable sealing of the utility model purges joint, locking nut compresses end face that purge to take over and connecting body and compresses and purge the end face of taking over and be equipped with annular groove, purge and take over when compacted, can deformation embed described annular groove, stop gas leak, adopt this method, can not leak gas, connect reliable, easy and simple to handle, reduce nitrogen greatly and purge consumption, improve the quality of products, productivity effect.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is that a kind of reliable sealing of the utility model purges the joint structure schematic representation;
Fig. 2 is A place enlarged view among Fig. 1.
Embodiment
Extremely shown in Figure 2 as Fig. 1, a kind of reliable sealing purges joint, comprise locking nut 2, connecting body 3, gas blow pipe 6 and purging take over 1, described purging adapter 1 is pressed abd fixed on the connecting body 3 and with gas blow pipe 6 by locking nut 2 and connects, described locking nut 2 compresses purge to be taken over 1 end face and connecting body 3 and compresses to purge and take over 1 end face and be equipped with annular groove 7, purges to take over 1 pressing section 11 and produce distortion and also embed in the described annular groove 7.Concrete, described purging is taken over 1 and is copper tube to be purged, and described connecting body 3 is the tubulose of hollow, and described connecting body 3 and described locking nut 2 all adopt high temperature resistant stainless steel, can use in the annealing furnace about 800 degree.
The end face of described connecting body is conical surface, and its cone angle is less than 180 ° greater than 90 °.
Described connecting body 3 compresses and purge to take over 1 end face is conical surface, and its cone angle is α, and in the present embodiment, α=120 ° arrange conical end face, can play leading role when mounted.It is corresponding with the shape that described connecting body 3 compresses the end face that purges adapter 1 that described locking nut 2 compresses the shape of purge taking over 1 end face.
On the conical surface of described connecting body 3 and described locking nut 2 compress purge to take on 1 the end face and be equipped with described annular groove 7.The cross section of described annular groove 7 is square.Described copper tube 1 be pressed between described locking nut 2 and the described connecting body 3 time, stressed generation deformation embeds in the described annular groove 7, reaches the better seal effect.
Except aforesaid way, can also raised structures be set at the conical surface at described connecting body 3 respectively, compress the end face correspondence that purges adapter 1 at described locking nut 2 sunk structure is set, described sunk structure is used for accommodating described raised structures, and described sunk structure and described raised structures match described purging adapter 1 generation deformation are clipped between described sunk structure and the described raised structures, reach the better seal effect; Perhaps compress to purge at the conical surface of described connecting body 3 and described locking nut 2 and take over 1 end face raised structures interlaced with each other is set respectively, both cooperatively interact, described purging is taken over 1 compress the formation laciniation, can reach the better seal effect equally.
It is copper tube that described purging takes over 1.Copper tube is softer, high temperature resistant, and stress deformation deformation takes place easily embeds in the described annular groove 7, and sealability is better.The pressing section 11 of described purging adapter 1 is reaming.After the copper tube reaming, position easily and be fixed between described connecting body 3 and the described locking nut 2.
The cross section of described circular groove 7 can also be made as circle or triangle, and the number of described annular groove is 1 to 3.
Described gas blow pipe 6 comprises inipple 4, and described inipple 4 is connected with described connecting body 3.Concrete, described inipple 4 can adopt integrated structure or be formed by the structure of welded nut on the pipeline.Be provided with red copper pad 5 between described inipple 4 and the described connecting body 3.
Described connecting body 3 compresses on the Transverse plane of described red copper pad 5 and described inipple 4 compresses on the wall of described red copper pad 5 and is equipped with circular groove 8, and described red copper pad 5 can deformation embed described circular groove 8 when compacted.The cross section of described circular groove 8 is square, circle or triangle.The number of described circular groove 8 can be 1 to 3.Described gas blow pipe 6 adopts high temperature resistant stainless steel to make, and can adapt to the operation under the high temperature condition.
During assembling, will purge adapter 1 earlier and stretch into locking nut 2, will purge adapter 1 with mould and carry out reaming, again connecting body 3 is screw-coupled to locking nut 2, to purge take over 1 compress, compacting, the inipple 4 of again red copper pad 5 being packed into is tightened inipple 4 and described connecting body 3 at last.
Claims (10)
1. a reliable sealing purges joint, comprise locking nut, connecting body, gas blow pipe and purging are taken over, described purging adapter is pressed abd fixed on the connecting body and with gas blow pipe by locking nut connects, it is characterized in that: described locking nut compresses end face that purge to take over and connecting body and compresses and purge the end face of taking over and be equipped with annular groove, purges the pressing section of taking over and produces distortion and also embed in the described annular groove.
2. a kind of reliable sealing according to claim 1 purges joint, it is characterized in that: described connecting body compresses and purges the end face of taking over is conical surface.
3. a kind of reliable sealing according to claim 1 purges joint, it is characterized in that: described purging is taken over and is copper tube.
4. a kind of reliable sealing according to claim 1 purges joint, it is characterized in that: the pressing section that described purging is taken over is reaming.
5. a kind of reliable sealing according to claim 1 purges joint, it is characterized in that: the cross section of described annular groove is square, circle or triangle.
6. a kind of reliable sealing according to claim 1 purges joint, and it is characterized in that: the number of described annular groove is 1 to 3.
7. a kind of reliable sealing according to claim 1 purges joint, and it is characterized in that: described gas blow pipe comprises inipple, and described inipple is connected with described connecting body.
8. a kind of reliable sealing according to claim 7 purges joint, it is characterized in that: be provided with the red copper pad between described inipple and the described connecting body.
9. a kind of reliable sealing according to claim 8 purges joint, it is characterized in that: described connecting body compresses on the Transverse plane of described red copper pad and described inipple compresses on the wall of described red copper pad and is equipped with circular groove, and the pressing section of described red copper pad produces distortion and also embeds described circular groove.
10. a kind of reliable sealing according to claim 9 purges joint, it is characterized in that: the cross section of described circular groove is square, circle or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320096354 CN203147107U (en) | 2013-03-04 | 2013-03-04 | Reliable sealing purging joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320096354 CN203147107U (en) | 2013-03-04 | 2013-03-04 | Reliable sealing purging joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203147107U true CN203147107U (en) | 2013-08-21 |
Family
ID=48974630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320096354 Expired - Lifetime CN203147107U (en) | 2013-03-04 | 2013-03-04 | Reliable sealing purging joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203147107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511772A (en) * | 2013-10-12 | 2014-01-15 | 湖北航天技术研究院总体设计所 | Telescopic and rotatable metal tube connector |
-
2013
- 2013-03-04 CN CN 201320096354 patent/CN203147107U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511772A (en) * | 2013-10-12 | 2014-01-15 | 湖北航天技术研究院总体设计所 | Telescopic and rotatable metal tube connector |
| CN103511772B (en) * | 2013-10-12 | 2016-06-08 | 湖北航天技术研究院总体设计所 | A kind of scalable rotatable metallic pipe coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
|
| CX01 | Expiry of patent term |