CN207500659U - Bellows component - Google Patents
Bellows component Download PDFInfo
- Publication number
- CN207500659U CN207500659U CN201720765710.2U CN201720765710U CN207500659U CN 207500659 U CN207500659 U CN 207500659U CN 201720765710 U CN201720765710 U CN 201720765710U CN 207500659 U CN207500659 U CN 207500659U
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- CN
- China
- Prior art keywords
- bellows
- adapter
- inner cavity
- extended segment
- adapter inner
- 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.)
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Abstract
The utility model discloses a kind of bellows component, and including bellows, the both ends of bellows are respectively arranged with axial bellows extended segment, and the outboard end of bellows extended segment is welded with adapter；Adapter has adapter inner cavity, and adapter inner cavity is connected with the inner cavity of bellows；For bellows extended segment socket joint in the inner end of adapter inner cavity, the welding length of fit of bellows extended segment and adapter inner cavity is not less than the 1/3 of bellows extended segment outer diameter；Adapter inner cavity sets adapter inner convex platform, and solder is placed in the end of adapter inner convex platform, and the faying face gap that solder can be flowed into after being melted down between the outer wall of bellows extended segment and adapter inner cavity is welded.The utility model bellows component weld seam is between bellows extended segment outer wall and adapter inner cavity, it can still make weld seam bare area less when extending weld seam, this preferably ensure that weld strength, efficiently avoid potential difference etching problem, improve pipe fitting connection reliability.
Description
Technical field
The utility model is related to pipeline interconnection technique more particularly to a kind of bellows components.
Background technology
In application scenarios such as air conditioner, refrigeration machines, come connect compressor and circulation line frequently with bellows, to absorb
The vibration generated by compressor and noise.At present, bellows is mostly that stainless steel makes, with the copper pipe as circulation line
It can there are certain difficulties during connection, it is therefore desirable to adapter be set to weld the pipe fitting of both unlike materials.
Fig. 1 is referred to, is a kind of schematic diagram of existing bellows structure.In the bellows structure, corrugated stainless steel tubing 01
End is equipped with axially extending section, and the copper adapter 02 that bronze is welded to connect, the tube wall outside of bellows 01 are cased on the outside of extended segment
Net cover 05 is coated with, 05 outside of net cover is equipped with stainless steel trim ring 04, and adapter 02 is equipped with annular cone angle close to one end of net cover 05,
The annular cone angle combines the trim ring 04 being stacked and the end of net cover 05 forms a concave ring 03, wherein filling aluminum in concave ring 03
Bronze is welded to connect adapter 02, trim ring 04 and net cover 05.In the bellows structure, adapter 02, trim ring 04 and net cover 05 3
Person connects fastening, can effectively prevent loosening.But the bellows structure is there are still deficiency, specifically：Adapter 02, trim ring 04 and
Net cover 05 uniformly welds together, the defects of causing 06 bare area of weld seam for connecting three very big, easily form micropore, recess
And hydrops；Since the main material and wlding of commissure are there are no small potential difference, exposed weld defect is that electrochemical corrosion is created
Condition, this causes, and potential difference corrosion is very fast, and the connection finally greatly affected at adapter 02, trim ring 04 and net cover 05 can
By property.In addition, the bellows structure is when connecting external pipe fitting, the exposed surface of weld seam 07 between adapter 02 and external pipe fitting end face
Product is not also small, thus equally can be there are the above problem, thus leads to the reduction of pipeline connection reliability.
It is understood that except corrugated stainless steel tubing is connected with copper pipe, other materials bellows part also can when welding
There are similary problems.Reality is that the occasion that the above problem occurs is very extensive, is not restricted to air conditioner and refrigeration
Among machine.
In view of this, how to overcome drawbacks described above in the prior art, be that those skilled in the art need to solve at present
Certainly the technical issues of.
Utility model content
In view of the drawbacks of the prior art, the purpose of this utility model is to provide a kind of bellows component, to improve wave
The reliability of line tube assembly connection.
In order to solve the above technical problems, the utility model provides a kind of bellows component, including bellows, the two of bellows
End is respectively arranged with axial bellows extended segment, and the outboard end of bellows extended segment is welded with adapter；Adapter, which has, to be turned
Connector inner cavity, adapter inner cavity are connected with the inner cavity of bellows；Bellows extended segment socket joint is in the inner end of adapter inner cavity, wave
The welding length of fit of line pipe extended segment and adapter inner cavity is not less than the 1/3 of bellows extended segment outer diameter；In adapter
Chamber sets adapter inner convex platform, and solder is placed in the end of adapter inner convex platform, and solder can be flowed into bellows extension after being melted down
It is welded in faying face gap between the outer wall of section and adapter inner cavity.
Compared with prior art, the utility model optimizes the structure of bellows component, bellows extended segment and switching
The weld seam of head can ensure between bellows extended segment outer wall and adapter inner cavity conveniently by fusion length is extended
Weld strength；Also, for the weld seam under this welding manner between bellows extended segment outer wall and adapter inner cavity, weld seam is naked
Showing up, product is smaller, and the possibility for weld defect occur is lower, thus weakens potential difference corrosive environment influence factor, improves wave
The corrosive power of resistance to potential difference of commissure between line pipe extended segment and adapter, this is for improving bellows component connection reliability ten
Divide advantageous.
Description of the drawings
Fig. 1 is a kind of schematic diagram of existing bellows structure；
Fig. 2 is the schematic diagram of the utility model bellows component；
Fig. 3 is the axial section of bellows in Fig. 2；
Fig. 4 is the enlarged drawing of I parts in Fig. 3；
Fig. 5 is the schematic diagram of adapter in Fig. 2；
Fig. 6 is pressure ring embryo material schematic diagram in Fig. 2.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.
Fig. 2~Fig. 6 is referred to, the utility model bellows component and its bellows, adapter, pressure ring embryo is shown respectively
The structure of the components such as material.
Fig. 2 is referred to, the bellows component of the utility model is by components such as bellows 1, adapter 3, protecting wire net 2 and pressure rings 4
It forms：Bellows 1 refers to Fig. 3, Fig. 4, the axial bellows extended segment 12 set by bellows main paragraph 11 and its both ends
It forms, the outboard end of each bellows extended segment 12 is welded with adapter 3；Wherein adapter 3 refers to Fig. 5, with adapter
Inner cavity 32, the adapter inner cavity 32 are connected with the inner cavity of bellows 1, and 12 socket joint of bellows extended segment is in adapter inner cavity 32
Side so that the faying face between the outer wall of bellows extended segment 12 and adapter inner cavity 32 is welded；In addition, the bellows
1 configuration protecting wire net 2, is set in bellows main paragraph 11, the end of protecting wire net 2 is fixed on adapter 3 by pressure ring 4, can prevented
Bellows 1 in bellows component damages.
As shown in Fig. 2, 12 socket joint of bellows extended segment is welded in the inner end of adapter inner cavity 32.More preferably, will
Bellows extended segment 12 is pressed into adapter inner cavity 32, and causes 12 outer wall of bellows extended segment and the knot of adapter inner cavity 32
Coordinate between conjunction face for transition.After solder fusing, bellows extended segment 12 and adapter inner cavity are accordingly flowed under capillary action
Thus gap between 32 welds the faying face of bellows extended segment 12 and adapter inner cavity 32, specific welding side
Gas brazing, ratio-frequency welding, gas shield integrally weldering (such as stove weldering) can be used in formula, is preferred with stove weldering.
The characteristics of above-mentioned bellows component is that the outer wall socket joint of bellows extended segment 12 is welded in adapter inner cavity 32
It connects so that weld seam is located between 12 outer wall of bellows extended segment and adapter inner cavity 32.Thus extending weld seam, it can
Reduce weld seam bare area, thus not only preferably ensure that weld strength, but also largely avoid potential difference etching problem, finally
So that the connection reliability of bellows component greatly improves.
The utility model bellows component and its component are described further below.
As shown in Fig. 3~Fig. 4, bellows 1 is preferably made of stainless steel, by bellows main paragraph 11 and ripple
Pipe extended segment 12 is formed, wherein：Bellows main paragraph 11 has more than two telescopic joints, can compensate pipe fitting because of temperature change
Etc. the dilatation that generates of factors, wherein telescopic joint maximum outside diameter D1, telescopic joint wave crest-valley value D2, flexible byte wide Q1, stretch
The parameters such as casing coupling spacing Q2 can be selected according to conventional design；Bellows extended segment 12 is located at the both ends of bellows main paragraph 11,
It can be connect after welding adapter 3 with extension tube attached (not shown) or other external devices (not shown).
It is understood that certain displacement can be generated during bellows use, damage will be generated when the stroke that stretches is excessive.
For this purpose, the utility model is configured with protecting wire net 2 for bellows 1, to achieve the purpose that protect bellows 1.As shown in Fig. 2, 2 sets of protecting wire net
Loaded on bellows main paragraph 11, end is fixed on adapter 3, can prevent the bellows 1 in bellows component from damaging.Tool
Body, the outer wall of adapter 3 shown in Fig. 2 opens up adapter external groove, wherein can be pressed protecting wire net 2 by being packed into pressure ring 4
Tightly in the adapter external groove.The assembly method of this protecting wire net 2, operates relatively simple, structural reliability is preferable.
As shown in figure 5, adapter 3 is specially designs for the utility model bellows component.The adapter 3 includes switching
Head ontology 31, to connect bellows 1 and extension tube attached.The adapter ontology 31 can be made by stainless steel material, be led in technique
It crosses and embryo material Vehicle Processing is obtained.Adapter ontology 31 has adapter inner cavity 32, the adapter inner cavity 32 and the inner cavity of bellows 1
It is connected with the inner cavity of extension tube attached, and two ends of the adapter inner cavity 32 are correspondingly arranged 321,322 pairs of adapter auxiliary section
Bellows 1 should be packed into and corresponding extension tube attached is welded.Preferably, 32 adapter of bellows extended segment 12 and adapter inner cavity
Welding length of fit between auxiliary section 322 is more than the 1/3 of 12 outer diameter of bellows extended segment, thus extends weld seam
Length is conducive to increase weld strength.
When above-mentioned adapter 3 is welded with bellows 1 and extension tube attached, be conducive to improve welding quality.The reason is that
When bellows 1 and extension tube attached being encased in respective tube adapter auxiliary section 321,322 being welded, their weld seam is located at phase
Between 12 outer wall of bellows extended segment answered and adapter inner cavity 32, thus extending weld seam, it is exposed weld seam can be reduced
Thus area not only preferably ensure that weld strength, but also largely avoid potential difference etching problem, this undoubtedly improves pipe fitting
Connection reliability.
Coordinate between the utility model bellows extended segment 12 and the welding auxiliary section 322 of adapter inner cavity 32 for transition,
It is possible thereby to it is welded using modes such as stove welderings.Technical process is：It can place and weld in the both ends auxiliary section of adapter 3 in advance
Material, by extension tube attached, bellows 1 be pressed in the inner cavity auxiliary section of adapter 3 and then by entire component be fixed in tooling lead to
It crosses soldering furnace and carries out stove weldering.After solder fusing, flow under capillary action adapter auxiliary section 321 and extension tube attached faying face,
Between the faying face of adapter auxiliary section 322 and bellows 1, it is achieved in welding.
Specifically, the position of solder placement section is as shown in figure 5, wherein the middle part of adapter inner cavity 32 sets adapter convex
Solder is placed in platform 323, the end of the adapter inner convex platform 323, and solder can be flowed into the outer of bellows extended segment 12 after being melted down
It is welded in faying face gap between wall and adapter inner cavity 32.
It is understood that identical welding manner can also be used between extension tube attached (not shown) and adapter 3.Specifically
Ground, adapter inner cavity 32 set adapter inner cavity boss 323 between adapter auxiliary section 321 and adapter auxiliary section 322, should
The height of adapter inner cavity boss 323 is consistent with the wall thickness of the wall thickness of extension tube attached and bellows 1, so as not to change entire bellows
The latus rectum size of component, prevents fluid motion from adversely affecting.At this point, the both ends of adapter inner cavity boss 323 are made respectively
For solder portion 324, solder portion 325, it thus can accordingly place solder (generally weld-ring) and come to 321 He of adapter auxiliary section
Welding auxiliary section faying face between extension tube attached, adapter auxiliary section 322 and bellows 1 is welded, so that extension tube attached,
Bellows 1 becomes an entirety by adapter 3.
As previously mentioned, Yi Shang bellows component can set protecting wire net (preferably braided steel wire net) 2 to prevent from damaging.For
This, the utility model has also carried out adaptability reform for adapter 3.
As shown in figure 5, the both ends of 31 outer wall of adapter ontology set adapter outer wall flange 311, adapter outer wall respectively
Flange 322 forms adapter external groove 323 to be packed between the adapter outer wall flange 311 and adapter outer wall flange 322
The protecting wire net 2 that bellows 1 is configured can be installed in adapter external groove 313 by pressure ring 4 by pressure ring 4 in this way.It is appreciated that
It is that adapter ontology 31 to embryo material outer wall Vehicle Processing during fabrication by going out adapter external groove 323, the adapter external groove
323 both sides form adapter outer wall flange 311, adapter outer wall flange 322, and details are not described herein.
In general, adapter outer wall flange 311, adapter outer wall flange 312 set chamfered section to be packed into protecting wire net 2 and dress
Enter pressure ring 4.In Fig. 5, the chamfered section 3111 of 311 1/4 circumference of outside setting of adapter outer wall flange, to facilitate pressure ring 4 from the position
Put loading；The chamfered section 3121 of 3121 outside setting semicircle of adapter outer wall flange, when can prevent protecting wire net covering in the position
It damages.
As previously mentioned, the utility model bellows component, in assembling, extension tube attached, bellows 1 need to be pressed into 3 liang of adapter
It is welded the auxiliary section at end.For the convenience of press fitting, need to consider the problems of that setting is oriented to.If Fig. 5 shows, adapter auxiliary section
321 outer end setting guide face 326, is pressed into adapter auxiliary section 321 convenient for extension tube attached in this way；Same reason, adapter are matched
The outer end in conjunction portion 322 may also set up corresponding guide face extension tube attached to be made to be smoothed out being pressed, due to its not in Fig. 5 into rower
Show, therefore details are not described herein.
As shown in fig. 6, material (such as copper) system that the pressure ring 4 of the utility model can be required with hardness and ductility is met
Into.Cricoid pressure ring embryo material 41 specifically is made in above-mentioned material, the size of endoporus 42 is outer slightly larger than the maximum of adapter 3
Protecting wire net 2 is being wrapped corresponding bellows 1 and adapter 3 and then the pressure ring embryo material 41 is set in adapter 3 by diameter size
Adapter external groove at, then make its diminution by squeezing the pressure ring embryo material 41, when it is close to the outer of adapter external groove
During diameter, the pressure ring 4 of fixed protecting wire net 2 is formed.It is easily understood that when processing the pressure ring embryo material 41 can in its end reset guide face
43, easily pressure ring embryo material 41 smoothly can be encased at the adapter external groove of adapter 3 in this way.The assembling of this protecting wire net
Mode operates relatively simple, and structural reliability is preferable.
In above example, bellows 1, adapter 3 material be respectively stainless steel, the material of extension tube attached is copper, ripple
Wlding between pipe 1 and adapter 3, extension tube attached and adapter 3 is respectively red copper, this is because the atomic radius of copper and iron, point
Battle array type, lattice constant and outer-shell electron number all relatively, can fuse welding between the two.Certainly, bellows 1 and switching
First 3, different combinations of materials can also be used in extension tube attached, at this time it should be noted that selecting other suitable wldings, such as：To aluminium alloy and
When stainless steel or steel weld, wlding may be selected from by 2 kinds in fine aluminium, nickel, nickel alloy, titanium, titanium alloy, copper, copper alloy and silver
More than, it repeats no more.
The detailed description carried out above to embodiment to the utility model, but to the ordinary skill people of the art
Member for, under the premise of the utility model principle is not departed from, can also to the utility model, some improvement and modification can also be carried out, this
A little improvement and modification are also fallen into the protection domain of the utility model claims.
Claims (5)
1. a kind of bellows component, which is characterized in that including bellows, the both ends of bellows are respectively arranged with axial bellows
Extended segment, the outboard end of bellows extended segment are welded with adapter；Adapter has adapter inner cavity, adapter inner cavity and ripple
The inner cavity connection of pipe；Bellows extended segment socket joint in the inner end of adapter inner cavity, bellows extended segment and adapter inner cavity
Weld length of fit is not less than bellows extended segment outer diameter 1/3；Adapter inner cavity sets adapter inner convex platform, adapter
Solder is placed in the end of inner convex platform, and solder can be after being melted down flowed between the outer wall of bellows extended segment and adapter inner cavity
It is welded in faying face gap.
2. bellows component as described in claim 1, which is characterized in that bellows component includes protecting wire net, the main body packet of protecting wire net
The main paragraph of bellows is covered, and adapter is fixed in the end of protecting wire net.
3. bellows component as claimed in claim 2, which is characterized in that the outer wall of adapter is provided with adapter external groove,
Protecting wire net and pressure ring are sequentially loaded into adapter external groove, and protecting wire net is pressed in adapter external groove by squeezing pressure ring.
4. such as claims 1 to 3 any one of them bellows component, which is characterized in that bellows extended segment is pressed into switching
Head inner cavity.
5. bellows component as claimed in claim 4, which is characterized in that the welding of bellows extended segment and adapter inner cavity is matched
Coordinate between conjunction portion for transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765710.2U CN207500659U (en) | 2017-06-28 | 2017-06-28 | Bellows component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765710.2U CN207500659U (en) | 2017-06-28 | 2017-06-28 | Bellows component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500659U true CN207500659U (en) | 2018-06-15 |
Family
ID=62497442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720765710.2U Expired - Fee Related CN207500659U (en) | 2017-06-28 | 2017-06-28 | Bellows component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110638372A (en) * | 2018-06-27 | 2020-01-03 | 日立环球生活方案株式会社 | Flexible hose |
-
2017
- 2017-06-28 CN CN201720765710.2U patent/CN207500659U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110638372A (en) * | 2018-06-27 | 2020-01-03 | 日立环球生活方案株式会社 | Flexible hose |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 Termination date: 20190628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |