CN207421601U - Metal hose joint - Google Patents
Metal hose joint Download PDFInfo
- Publication number
- CN207421601U CN207421601U CN201721460188.3U CN201721460188U CN207421601U CN 207421601 U CN207421601 U CN 207421601U CN 201721460188 U CN201721460188 U CN 201721460188U CN 207421601 U CN207421601 U CN 207421601U
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- metal hose
- ring
- weld seam
- welding ring
- metal
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Abstract
The utility model discloses a kind of metal hose joints, including metal hose and outer net cover, the outer net cover is sheathed on the outside of the metal hose, the metal hose joint further includes external welding ring and compression ring, the compression ring is sheathed on the outside of the outer net cover, one end of the compression ring, metal hose and outer net cover is welded to connect, and forms the first weld seam；The external welding ring set is arranged on the outside of the compression ring and the first weld seam, and the outer wall of described external welding ring one end and the compression ring is welded to connect, and forms the second weld seam.The utility model has the advantages that weldquality is stable, service life is long.
Description
Technical field
The utility model is related to pressure vessel field more particularly to a kind of metal hose joints.
Background technology
Freeze dryer flaggy is located at metal hose inside freeze dryer, at left and right sides of flaggy, for connecting flaggy and freeze dryer
Silicone oil inlet and outlet on babinet, and in flaggy rise and fall for the flexible joint part of movement.Existing freeze dryer flaggy gold
Belong to only one of weld seam on hose construction, and the weld seam is repeated welding twice, causes the unstable of welding quality, metal hose
Connector service life is short, be easy to cause the leakage of flaggy conduction oil.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide a kind of weldquality it is stable,
The metal hose joint of service life length.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of metal hose joint, including metal hose and outer net cover, the outer net cover is sheathed on outside the metal hose
Side, the metal hose joint further include external welding ring and compression ring, and the compression ring is sheathed on the outside of the outer net cover, described
One end of compression ring, metal hose and outer net cover is welded to connect, and forms the first weld seam；The external welding ring set is arranged on the compression
On the outside of ring and the first weld seam, one end of the external welding ring and the outer wall of the compression ring are welded to connect, and form the second weld seam.
It is further improved as to above-mentioned technical proposal：
The metal hose is metal bellow, and the normal pitch between the adjacent peaks of the metal bellow is
D1, spacing of the metal bellow between two adjacent peaks of end close to the first weld seam one side is D2, wherein 0≤D2
＜ D1.
The internal diameter of the metal bellow is r, outer diameter R, wherein 0.7≤r/R≤0.75.
The external welding ring includes big welding ring and the small welding ring for being connected to described big welding ring one end；First weldering
Seam is located in the big welding ring and is set close to small welding ring one side, the other end and the compression ring of the big welding ring
Outer wall is welded to connect.
The metal hose joint further includes groove and takes over, and the groove, which is taken over, is connected to the another of the external welding ring
End.
The metal hose joint further includes second and takes over, and described second takes over and be connected to the another of the metal hose
End.
Compared with prior art, the utility model has the advantage of：
A kind of metal hose joint of the utility model, the first weld seam are located at the one of compression ring, metal hose and outer net cover
End, is connected to become an entirety, the second weld seam is located at the one of external welding ring by the front end face of compression ring, metal hose and outer net cover
End and the other end of the compression ring, the first weld seam and the second weld seam are located at two different places, avoid repeating welding, the first weldering
Stable quality is stitched, metal hose joint service life can increase by 3 times, and sealing performance is more preferable.
Normal pitch between the adjacent peaks of the metal bellow of the utility model is D1, the first weld seam and metal wave
Spacing of the line hose between two adjacent peaks of end close to the first weld seam one side is D2, wherein 0≤D2 ＜ D1.First weld seam
A wave band is flattened with metal bellow end face weld, two layers of plate face of superposition is formed, is further ensured that the first weld seam
Welding quality.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the utility model metal bellow and the schematic diagram of the first weld seam cooperation.
Each label represents in figure：
1st, groove is taken over；2nd, external welding ring；21st, big welding ring；22nd, small welding ring；3rd, compression ring；4th, metal hose；5、
Outer net cover；6th, second take over；7th, the first weld seam；8th, the second weld seam.
Specific embodiment
The utility model is described in further details below with reference to Figure of description and specific embodiment.
As shown in Figure 1, a kind of metal hose joint of the present embodiment, including metal hose 4 and outer net cover 5, outer 5 sets of net cover
Arranged on 4 outside of metal hose, metal hose joint further includes external welding ring 2 and compression ring 3, and compression ring 3 is sheathed on outside outer net cover 5
Side, one end of compression ring 3, metal hose 4 and outer net cover 5 are welded to connect, and form the first weld seam 7；External welding ring 2 is sheathed on compression
3 and first weld seam of ring, 7 outside, one end of external welding ring 2 and compression ring 3 are welded to connect, and form the second weld seam 8.First weld seam 7
In one end of compression ring 3, metal hose 4 and outer net cover 5, the front end face of compression ring 3, metal hose 4 and outer net cover 5 is connected into
For an entirety, the second weld seam 8 is located at one end of external welding ring 2 and the other end of compression ring 3, the first weld seam 7 and the second weld seam 8
Positioned at two different places, avoid repeating welding, 7 stable quality of the first weld seam, metal hose joint service life can increase by 3
Times, sealing performance is more preferable.
As shown in Fig. 2, metal hose 4 is metal bellow, the standard room between the adjacent peaks of metal bellow
Away from for D1, spacing of the metal bellow between two adjacent peaks of end close to 7 one side of the first weld seam is D2, wherein 0≤
D2 ＜ D1.First weld seam 7 flattens a wave band with metal bellow end face weld, two layers of plate face of superposition is formed, into one
Step ensures the welding quality of the first weld seam 7.
In the present embodiment, the internal diameter of metal bellow is r, outer diameter R, wherein 0.7≤r/R≤0.75, with guarantee fund
Belong to the pliability of corrugated flexible hose.
In the present embodiment, external welding ring 2 includes big welding ring 21 and the small welding ring 22 for being connected to big 21 one end of welding ring；
First weld seam 7 is located in big welding ring 21 and is set close to small 22 one side of welding ring, the other end and the compression ring 3 of big welding ring 21
Outer wall be welded to connect.
Metal hose joint further includes groove take over 1, and groove take over 1 is connected to the other end of external welding ring 2.
Metal hose joint further includes the second take over 6, and the second take over 6 is connected to the other end of metal hose 4.
The length of 1 and second take over 6 of groove take over is adjusted according to actual needs.
In the present embodiment, groove take over 1 is taken over for 15 ° of grooves, and metal hose 4 squeezes swollen side by mechanical spinning or hydraulic pressure
After formula is prefabricated, is worked out then at the outside of metal hose 4 and put on outer net cover 5 and compression ring 3,4 both ends of metal hose use
Machine cuts are cut flat with, and argon gas protection is passed through in pipe, welds to form the first weld seam 7 using argon arc welding, external welding ring 2 is inserted in pressure
Tight ring 3, welds to form the second weld seam 8 using argon arc welding.
In the present embodiment, compression ring 3 needs to carry out compression processing after the completion of the welding of the second weld seam 8, reduces by the first weld seam 7
Locating tensile stress influences.
Although the utility model has been disclosed with preferred embodiment as above, the utility model is not limited to.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model scope, all using the disclosure above
Technology contents technical solutions of the utility model are made with many possible changes and modifications or is revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to above real
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.
Claims (6)
1. a kind of metal hose joint, including metal hose（4）With outer net cover（5）, the outer net cover（5）It is sheathed on the metal
Hose（4）Outside, it is characterised in that：The metal hose joint further includes external welding ring（2）And compression ring（3）, the compression
Ring（3）It is sheathed on the outer net cover（5）Outside, the compression ring（3）, metal hose（4）With outer net cover（5）One end welding connect
It connects, forms the first weld seam（7）；The external welding ring（2）It is sheathed on the compression ring（3）With the first weld seam（7）Outside, it is described outer
Welding ring（2）One end and the compression ring（3）Outer wall be welded to connect, formed the second weld seam（8）.
2. metal hose joint according to claim 1, it is characterised in that：The metal hose（4）It is soft for wavy metal
It manages, the normal pitch between the adjacent peaks of the metal bellow is D1, and the metal bellow is close to the first weldering
Seam（7）Spacing between two adjacent peaks of end of one side is D2, wherein 0≤D2 ＜ D1.
3. metal hose joint according to claim 2, it is characterised in that：The internal diameter of the metal bellow is r, outside
Footpath is R, wherein 0.7≤r/R≤0.75.
4. metal hose joint according to claim 2, it is characterised in that：The external welding ring（2）Including big welding ring
（21）Be connected to the big welding ring（21）The small welding ring of one end（22）；First weld seam（7）Positioned at the big welding
Ring（21）Interior and close small welding ring（22）One side is set, the big welding ring（21）The other end and the compression ring（3）'s
Outer wall is welded to connect.
5. metal hose joint according to any one of claim 1 to 4, it is characterised in that：The metal hose joint
Groove is further included to take over（1）, the groove takes over（1）It is connected to the external welding ring（2）The other end.
6. metal hose joint according to any one of claim 1 to 4, it is characterised in that：The metal hose joint
Second is further included to take over（6）, described second takes over（6）It is connected to the metal hose（4）The other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460188.3U CN207421601U (en) | 2017-11-06 | 2017-11-06 | Metal hose joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460188.3U CN207421601U (en) | 2017-11-06 | 2017-11-06 | Metal hose joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421601U true CN207421601U (en) | 2018-05-29 |
Family
ID=62307477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721460188.3U Active CN207421601U (en) | 2017-11-06 | 2017-11-06 | Metal hose joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207421601U (en) |
-
2017
- 2017-11-06 CN CN201721460188.3U patent/CN207421601U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |