CN208793836U - A kind of sealing locking structure between foreign peoples's pipe - Google Patents
A kind of sealing locking structure between foreign peoples's pipe Download PDFInfo
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- CN208793836U CN208793836U CN201821416062.0U CN201821416062U CN208793836U CN 208793836 U CN208793836 U CN 208793836U CN 201821416062 U CN201821416062 U CN 201821416062U CN 208793836 U CN208793836 U CN 208793836U
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Abstract
The utility model discloses the sealing locking structures between a kind of foreign peoples's pipe, the metal inner pipe for including metal outer pipe and being tightly connected with metal outer pipe, the metal inner pipe for including metal outer pipe and being tightly connected with metal outer pipe, glue layer is filled between metal outer pipe and metal inner pipe, the first straight pipe is disposed on metal inner pipe from right to left, second straight pipe, first circular arc pipeline section and the 4th straight pipe, the 5th straight pipe is disposed in metal outer pipe from right to left, second the second straight pipe of circular arc pipeline section and the 6th straight pipe, the outer diameter of 4th straight pipe is 1-5mm bigger than the outer diameter of the first straight pipe, the outer diameter of 5th straight pipe is identical as the outer diameter of the first straight pipe, the internal diameter of 6th straight pipe is identical as the outer diameter of the 4th straight pipe.Thus metal outer pipe and metal inner pipe can closely be connected, are attached in the art using threaded connector compared to existing, manufacturing cost is lower, and intensity is higher, and the service life is longer.
Description
Technical field
The utility model relates to tubing interconnection technique fields, more particularly, to the sealing locking structure between a kind of foreign peoples's pipe
And its sealing locking method.
Background technique
Heat exchanger is the section that heat transfer between material is realized between a kind of fluid at two or more different temperatures
Energy equipment, is that heat is made to pass to the lower fluid of temperature by the higher fluid of temperature, fluid temperature (F.T.) is made to reach flow specification
Index to meet the needs of process conditions, while being also one of the capital equipment for improving energy utilization rate.Heat exchanger industry is related to
HVAC, pressure vessel, sewerage disposing equipment, chemical industry, nearly 30 multi industries such as petroleum mutually form industry chain (supply chain).Data are shown
Chinese heat exchanger industrial market scale in 2010 at 50,000,000,000 yuan or so, focus primarily upon petroleum, chemical industry, metallurgy, electric power, ship,
The fields such as central heating, refrigeration air-conditioner, machinery, food, pharmacy.Wherein the material for making heat exchanger mainly has copper, stainless
Steel, titanium and its alloy are made, and copper and stainless steel are although most widely used, but seawater corrosion resistance ability is poor, therefore in naval
The fields such as battleship, ship and Binhai Generator Station service life is short, and spirit keeps coefficient lower, although and titanium completely not by seawater corrosion,
But titanium is expensive, therefore in practical applications, and people will use Titanium system with the heat exchanger tube of contact with sea water, and will not be with
The heat exchanger tube of contact with sea water makes to be made of copper, and not only can resist the corrosion of seawater, can also reduce use cost,
So in actual use, it is necessary to copper pipe and titanium tube are attached, and since copper pipe and titanium tube belong to material of different nature
Matter, the fusing point of copper are 1000 DEG C or so, and the fusing point of titanium is 1600 DEG C or so, since the fusing point of the material of the two differs too big, nothing
Method is connected and sealed by welding, for metal material industry, even the tubing of unlike material welds reluctantly
It connects, intensity is also relatively poor, therefore in current use process, and the connection of copper pipe and titanium tube is by using one
Copper threaded connector cooperation sealing ring connects, and the market price of a copper threaded connector is at 15 yuan or so, but also
Screw thread is processed on copper pipe and the outer wall of titanium tube, it is higher to allow for manufacturing cost in this way.
Utility model content
Problem to be solved in the utility model is to provide that a kind of simple structure and reasonable design, stability is high, service life
Sealing locking structure between long, good airproof performance and the lower foreign peoples's pipe of manufacturing cost.
In order to solve the above technical problems, the technical solution adopted in the utility model is: the dense block between a kind of foreign peoples's pipe
Locking structure, include metal outer pipe and with the metal outer pipe be tightly connected metal inner pipe, the metal outer pipe with it is described
It is filled with glue layer between metal inner pipe, is disposed with the first straight pipe, the second straight tube from right to left on the metal inner pipe
Section, the first circular arc pipeline section and the 4th straight pipe are disposed with the 5th straight pipe, the second circle in the metal outer pipe from right to left
The second straight pipe of arc pipeline section and the 6th straight pipe, second straight pipe, the first circular arc pipeline section, the 4th straight pipe are embedded in institute
The inside of metal outer pipe is stated, the outer diameter of first straight pipe is 1-5mm bigger than the outer diameter of second straight pipe, and the described 4th is straight
The outer diameter of pipeline section is 1-5mm bigger than the outer diameter of first straight pipe, the outer diameter and first straight pipe of the 5th straight pipe
Outer diameter it is identical, the internal diameter of the 6th straight pipe is identical as the outer diameter of the 4th straight pipe.
Preferably, the sealing locking structure between a kind of above-mentioned foreign peoples's pipe, wherein the metal inner pipe is by metal copper
At the metal outer pipe is made of Titanium.
Preferably, the sealing locking structure between a kind of above-mentioned foreign peoples's pipe, wherein on the inner wall of the 6th straight pipe
It is provided with the annulus protrusion limited to the metal inner pipe.
The utility model has the advantage that is with beneficial effect: including metal outer pipe and is tightly connected with metal outer pipe
Metal inner pipe, include metal outer pipe and the metal inner pipe that is tightly connected with metal outer pipe, metal outer pipe and metal inner pipe
Between be filled with glue layer, be disposed with the first straight pipe, the second straight pipe, the first arc tube from right to left on metal inner pipe
Section and the 4th straight pipe are disposed with the 5th straight pipe, second the second straight pipe of circular arc pipeline section in metal outer pipe from right to left
It is 1-5mm bigger than the outer diameter of the first straight pipe with the outer diameter of the 6th straight pipe, the 4th straight pipe, the outer diameter and first of the 5th straight pipe
The outer diameter of straight pipe is identical, and the internal diameter of the 6th straight pipe is identical as the outer diameter of the 4th straight pipe.It thus can be by metal outer pipe
It is closely connected with metal inner pipe, simple process, is attached, is manufactured using threaded connector in the art compared to existing
Cost is lower, and intensity is higher, and the service life is longer.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram that metal inner pipe and metal outer pipe connect in the utility model；
Fig. 2 is the cross section structure schematic diagram of metal inner pipe in the utility model；
Fig. 3 is the cross section structure schematic diagram of metal outer pipe in the utility model；
Fig. 4 is the process flow chart that metal inner pipe carries out tube expansion and gluing in the utility model；
Fig. 5 is the process flow chart that metal outer pipe carries out load mould in the utility model；
Fig. 6 is the structural schematic diagram of the utility model draw.
In figure: 2, metal inner pipe；21, the first straight pipe；22, the second straight pipe；23, the first circular arc pipeline section；24, the 4th is straight
Pipeline section；25, glue layer；3, metal outer pipe；31, the 5th straight pipe；32, the 6th straight pipe；33, annulus protrusion；34, the second circular arc
Pipeline section.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the following will be combined with the drawings in the embodiments of the present invention, to the technical scheme in the embodiment of the utility model carry out it is clear,
It is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, Figure 2 and Figure 3, the sealing locking structure between a kind of foreign peoples's pipe, include metal outer pipe 3 and with
The metal inner pipe 2 that metal outer pipe 3 is tightly connected, wherein metal inner pipe 2 is made of metallic copper, and metal outer pipe 3 is made of Titanium,
It is straight that the first straight pipe 21, the second straight pipe 22, the first circular arc pipeline section 23 and the 4th are disposed on metal inner pipe 2 from right to left
Pipeline section 24 is disposed with the 5th straight pipe 31,34 second straight pipe 22 of the second circular arc pipeline section in metal outer pipe 3 from right to left
With the 6th straight pipe 32, the second straight pipe 22, the first circular arc pipeline section 23, the 4th straight pipe 24 are embedded in the interior of metal outer pipe 3
The outer diameter in portion, the first straight pipe 21 is 1-5mm bigger than the outer diameter of the second straight pipe 22, and the outer diameter of the 4th straight pipe 24 is than the first straight tube
Section 21 the big 1-5mm of outer diameter, the internal diameter of the 6th straight pipe 32 is identical as the outer diameter of the 4th straight pipe 24, the 6th straight pipe 32 it is interior
The annulus protrusion 33 limited to metal inner pipe 2 is provided on wall, annulus protrusion 33 can be to the position of the 4th straight pipe 24
It sets and is limited, and the outer diameter of the 5th straight pipe 31 is identical as the outer diameter of the first straight pipe 21, such first straight pipe 21 can
It is limited with the position to the 5th straight pipe 31, and the first circular arc pipeline section 23 and the second circular arc pipeline section 34 are to be pressed together on one
It rises, the position between metal outer pipe 3 and metal inner pipe 2 mutually limits, and such metal outer pipe 3 and metal inner pipe 2 cannot
Enough move left and right, connection very securely, in addition between metal outer pipe 3 and metal inner pipe 2 be filled with glue layer 25, glue layer 25
It is the dedicated sealing glue of air-conditioning, common material is polyethylene glue stick, thus can be to metal outer pipe 3 and metal inner pipe 2
It is sealed processing, there is preferable sealing effect.
As shown in Figure 4, Figure 5 and Figure 6, the sealing locking method between a kind of foreign peoples's pipe is also disclosed in the utility model,
It the following steps are included:
(1) tube expansion: prepare a metal outer pipe 3 and a metal inner pipe 2, wherein the outer diameter of metal outer pipe 3 is than in metal
The big 2-10mm of the outer diameter of pipe 2, using electric tube expander by the enlarged outside diameter 1-5mm of wherein one end of metal inner pipe 2；
(2) it load mould: is squeezed using outer wall of the extruder to metal outer pipe 3, so that metal outer pipe 3 is recessed inwardly, in gold
Belong at wherein one end of outer tube 3 and process annulus protrusion 33, wherein the height of annulus protrusion 33 is 1-3mm, for blocking gold
Belong to inner tube 2 not being moved along just；
(3) gluing and skewer dress: one layer of sealing glue is coated at the outer wall of one end that metal inner pipe 2 does not swell, then will
The one end to swell on metal inner pipe 2 is encased in metal outer pipe 3, is made the passage of metal inner pipe 2 at annulus protrusion 33, is obtained half
Finished product；
(4) draw: semi-finished product obtained in step (3) are put into ready Pipe-shrinkage Machine Die, set contracting machine row
Journey, control machine for shrinking work, is shaped by one or many draws, the outer diameter size of the one end therein of metal outer pipe 3 is compressed
Until identical as the outer diameter size of metal inner pipe 2, finished product is obtained；
(5) quality inspection: the both ends of finished product obtained in step (4) are connected into water pipe by quick coupling, then detection is leaked not
Defective products therein is chosen in leak, and the non-defective unit of quality OK is stored classifiedly.It thus can be by metal outer pipe 3 and metal inner pipe 2
It closely connecting, simple process, is attached in the art using threaded connector compared to existing, manufacturing cost is lower,
Intensity is higher, and the service life is longer.
In the description of the present invention, it should be understood that the indicating positions such as term " on ", "lower", "left", "right" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation and specific orientation constructs and operation,
It is thus impossible to be construed as a limitation of the present invention.In addition, " first ", " second " are merely due to describe purpose, and cannot understand
For indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Therefore, define " first ",
The feature of " second " can explicitly or implicitly include one or more this feature.In the description of the utility model, unless
It is otherwise noted, the meaning of " plurality " is two or more.
It should be noted that the standard parts and components that the utility model uses can commercially, shaped piece root
Can be carried out according to specification and attached drawing record it is customized, the specific connection type of each part be all made of in the prior art at
The conventional means such as ripe bolt, rivet, welding, mechanical, part and equipment are all made of model conventional in the prior art, practical new
This will not be detailed here by type people.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation "
" connected " " connection " etc. shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (3)
1. the sealing locking structure between a kind of foreign peoples's pipe, it is characterised in that: include metal outer pipe (3) and with the metal
The metal inner pipe (2) that outer tube (3) is tightly connected is filled with glue layer between the metal outer pipe (3) and the metal inner pipe (2)
(25), the first straight pipe (21), the second straight pipe (22), the first circle are disposed on the metal inner pipe (2) from right to left
Arc pipeline section (23) and the 4th straight pipe (24), be disposed on the metal outer pipe (3) from right to left the 5th straight pipe (31),
(34) second straight pipe (22) of second circular arc pipeline section and the 6th straight pipe (32), second straight pipe (22), the first arc tube
Section (23), the 4th straight pipe (24) are embedded in the inside of the metal outer pipe (3), the outer diameter ratio of first straight pipe (21)
The big 1-5mm of outer diameter of second straight pipe (22), the outer diameter of the 4th straight pipe (24) is than first straight pipe (21)
The big 1-5mm of outer diameter, the outer diameter of the 5th straight pipe (31) is identical as the outer diameter of first straight pipe (21), the described 6th
The internal diameter of straight pipe (32) is identical as the outer diameter of the 4th straight pipe (24).
2. the sealing locking structure between a kind of foreign peoples's pipe according to claim 1, it is characterised in that: the metal inner pipe
(2) it is made of metallic copper, the metal outer pipe (3) is made of Titanium.
3. the sealing locking structure between a kind of foreign peoples's pipe according to claim 1, it is characterised in that: the 6th straight tube
It is raised (33) that the annulus limited to the metal inner pipe (2) is provided on the inner wall of section (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416062.0U CN208793836U (en) | 2018-08-31 | 2018-08-31 | A kind of sealing locking structure between foreign peoples's pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416062.0U CN208793836U (en) | 2018-08-31 | 2018-08-31 | A kind of sealing locking structure between foreign peoples's pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793836U true CN208793836U (en) | 2019-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821416062.0U Active CN208793836U (en) | 2018-08-31 | 2018-08-31 | A kind of sealing locking structure between foreign peoples's pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN208793836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775454A (en) * | 2018-08-31 | 2018-11-09 | 招焯活 | A kind of sealing locking structure between foreign peoples's pipe and its sealing locking method |
| CN110617373A (en) * | 2018-06-20 | 2019-12-27 | 丰田自动车株式会社 | Member joining method and member joining apparatus |
-
2018
- 2018-08-31 CN CN201821416062.0U patent/CN208793836U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617373A (en) * | 2018-06-20 | 2019-12-27 | 丰田自动车株式会社 | Member joining method and member joining apparatus |
| CN110617373B (en) * | 2018-06-20 | 2021-06-22 | 丰田自动车株式会社 | Member joining method and member joining apparatus |
| CN108775454A (en) * | 2018-08-31 | 2018-11-09 | 招焯活 | A kind of sealing locking structure between foreign peoples's pipe and its sealing locking method |
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