CN206989784U - Damping tube - Google Patents
Damping tube Download PDFInfo
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- CN206989784U CN206989784U CN201720211945.7U CN201720211945U CN206989784U CN 206989784 U CN206989784 U CN 206989784U CN 201720211945 U CN201720211945 U CN 201720211945U CN 206989784 U CN206989784 U CN 206989784U
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- adaptor
- bellows
- extension tube
- tube attached
- wall
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Abstract
The utility model embodiment discloses a kind of damping tube,Including bellows,Adaptor and extension tube attached,The material of extension tube attached is different from the material of bellows,Bellows linkage section is welded to connect with adaptor,Adaptor is welded to connect with extension tube attached simultaneously,The linkage section that bellows is used to coordinate with adaptor is at least partly in adaptor,The outside wall portions of the linkage section for being used to coordinate with adaptor of bellows are used to be welded and fixed with the inner wall part that bellows coordinates with adaptor auxiliary section,The weld seam of bellows and adaptor is located at the inner side of bellows linkage section and/or adaptor,Extension tube attached is at least partly in adaptor,The outside wall portions of the linkage section for being used to coordinate with adaptor of extension tube attached are used to be welded and fixed with the inner wall part that bellows coordinates with adaptor auxiliary section,The weld seam of extension tube attached and adaptor is located at extension tube attached and/or the inner side extension tube attached of adaptor.The utility model embodiment can use non-copper material to make damping tube, can reduce damping tube cost.
Description
Technical field
The utility model embodiment is related to pipeline fitting, more particularly, to subtracting in the refrigeration system such as air conditioner, refrigeration machine
Shake pipe.
Background technology
In application scenarios such as air conditioner, refrigeration machines, compression is connected frequently with damping tube (or shock absorbing pipe, prevention tube etc.)
Machine and the circulation line of refrigeration system or other need the occasion of damping, vibrate and make an uproar as caused by compressor to absorb
Sound.
The main body of existing damping tube is mostly corrugated stainless steel tubing, and it is connected at the vibroseis in connection refrigeration system or shake
Other parts near dynamic source.These parts of bellows connection are often copper pipe, and for convenient welding, bellows is selected to be copper
Material is made, and they can directly be welded, but copper performance is different compared with stainless steel.And the price phase of copper material
To higher, this causes damping tube cost is relative to rise, and is unfavorable for improving product competitiveness, thus certain room for improvement be present.
These parts that bellows connects in the system having in addition are also possible to as aluminum pipe, and bellows may need stainless steel ripple
Pipe, can also there is the problem of similar using these materials.
Utility model content
The defects of for prior art, the purpose of the utility model embodiment is to provide a kind of damping tube, to reduce
The cost of damping tube.
In order to solve the above technical problems, the technical scheme that the utility model embodiment provides is：A kind of damping tube, including ripple
Line pipe, the bellows include the bellows main body of center section, and the bellows main body at least one end is provided with axially extending
Bellows linkage section, the damping tube is provided with adaptor and extension tube attached, the material of the extension tube attached and the bellows
Material is different, and the bellows linkage section is welded to connect with the adaptor, and the adaptor welds with the extension tube attached simultaneously
Connection, the linkage section that the bellows is used to coordinate with the adaptor are at least partly located in the adaptor, the ripple
The outside wall portions of the linkage section for being used to coordinate with the adaptor of line pipe are used for and the ripple with the adaptor auxiliary section
The inner wall part that pipe coordinates is welded and fixed, and the weld seam of the bellows and the adaptor is located at bellows linkage section and/or switching
The inner side of part, the extension tube attached are at least partly located in the adaptor, and the extension tube attached is used to match somebody with somebody with the adaptor
The outside wall portions of the linkage section of conjunction are used to be welded and fixed with the inner wall part that the bellows coordinates with the adaptor auxiliary section, institute
State extension tube attached and the weld seam of the adaptor is located at the extension tube attached and/or the inner side extension tube attached of adaptor.
Compared with prior art, the bellows in the utility model embodiment is connected by adaptor with extension tube attached, its
The material that middle extension tube attached can be selected can be identical with the aims of systems part main material that damping tube needs connect, and the material of bellows
Material can select different from the material of extension tube attached, and optional relative price relatively low material is made under the premise of product quality is ensured
Make damping tube, thus advantageously reduce damping tube production cost, improve product competitiveness.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the damping tube of specific embodiment of technical solutions of the utility model；
Fig. 2 is the axial cross-sectional views of damping tube shown in Fig. 1；
Fig. 3 is that damping tube shown in Fig. 1 removes the schematic diagram after the first extension tube attached, the second extension tube attached；
Fig. 4 is the axial cross-sectional views of damping tube shown in Fig. 3；
Fig. 5 is the schematic diagram of bellows in Fig. 1；
Fig. 6 is the axial cross-sectional views of bellows shown in Fig. 5；
Fig. 7 is the enlarged diagram of I parts in Fig. 6；
Fig. 8 is the schematic diagram of adaptor in Fig. 1；
Fig. 9 is the axial cross-sectional views of adaptor shown in Fig. 8；
Figure 10 is the schematic diagram of the first extension tube attached in Fig. 1；
Figure 11 is the cooperation sectional schematic diagram of the first extension tube attached shown in Figure 10 and the second extension tube attached；
Figure 12 is the enlarged diagram of II parts in Figure 11；
Figure 13 is the schematic diagram of the first extension tube attached in Figure 11；
Figure 14 is the cooperation sectional schematic diagram of the second extension tube attached and adaptor shown in Figure 12；
Figure 15 is the enlarged diagram of III parts in Figure 13；
Figure 16 is the idiosome schematic diagram of trim ring in Fig. 1；
Figure 17 is the flow chart of the damping pipe manufacturing method of the utility model one embodiment.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail.
For convenience, the number range that the utility model is related to during being described for specification makes definition：One side
Face, threshold value include this number, as more than 2.5 be more than or equal to 2.5,10 within be equal to or less than 10, more than -8 to be more than or
Equal to -8, etc.；On the other hand, approximate number or approximate number calculate by ± the 10% of central value, such as about 15 refer to 15 ± 10%,
Substantially 3 refer to 3 ± 10%, mean 120 ± 10% equivalent to 6 for 6 ± 10%, substantially 120, close to 6.2 be 6.2 ±
10% ... ..., etc.；By that analogy, it is numerous.
Please referring also to Fig. 1~Figure 16, a kind of subtracting for specific embodiment of technical solutions of the utility model is shown respectively in it
Shake pipe and its bellows, adaptor, the modular construction such as idiosome of adapter and trim ring.In the drawings, pipe fitting axis is axially referred to
Direction, circumferentially refer to the circumference of vertical jointed tubular workpieces axis, be radially the radius of a circle direction for the jointed tubular workpieces axis that hangs down；Outside refers to away from ripple
The side of pipe, inner side are close to the side of bellows.Hereafter as non-specifically indicated, it is related to defining by this during above-mentioned term.
Please referring also to Fig. 1~Fig. 4, the damping tube of the utility model embodiment is by (first turn of bellows 1, adaptor 3a
Fitting), adaptor 3b (the second extension tube attached), extension tube attached 5 (the first extension tube attached), extension tube attached 6 (the second extension tube attached), braiding webmaster 2
And the part such as trim ring 4a, trim ring 4b is formed, wherein：Because adaptor 3a, adaptor 3b use identical structure in the present embodiment,
Therefore both are simply represented with adaptor 3 sometimes, and do not differentiate between 3a, 3b；Similarly, because trim ring 4a, trim ring 4b use phase
Same structure, therefore also simply represented sometimes with adaptor 4, and do not differentiate between 4a, 4b；Other damping tube can also be wherein one
Side uses the structure of this kind of adaptor or trim ring, the one end being particularly connected with vibroseis or relatively close vibroseis
One end.The basic structure of each part and function are as described below in damping tube.
The structure of bellows 1 refers to Fig. 5~Fig. 7, and it includes the bellows main paragraph 11 of center section, bellows master
Axially extend bellows linkage section 12a (the first bellows linkage section), bellows linkage section 12b (second in the both ends of body section 11
Bellows linkage section), linkage section herein also holds as extension sometimes, and they are tubular structure, their length ordinary circumstance
Under between 5mm~10mm；In addition in the case where bellows is bigger, length can be with proper extension；It is and especially tight in structure
In the case of gathering, bellows linkage section 12b length can be between 3mm~6mm.It is noted that due in the present embodiment
Bellows linkage section 12a, bellows linkage section 12b use identical structure, therefore unify to be represented with bellows linkage section 12 sometimes,
And 12a, 12b are not differentiated between, the both sides of bellows linkage section may not be symmetrical structure in addition.
As shown in figure 1, adaptor 3a, wherein adaptor 3b, adaptor is respectively welded in bellows linkage section 12a outboard end
3a connections extension tube attached 5, adaptor 3b connections extension tube attached 6；Between bellows linkage section 12a, extension tube attached 5 and adaptor 3a, and
Tentatively fixed between bellows linkage section 12b, extension tube attached 6 and adaptor 3b or spacing, can specifically be matched somebody with somebody with transition respectively
(design parameter is chosen as conjunction：The axle of cooperation is+0.03/0；The hole of cooperation is+0.04/0) mode assemble, assembled
It is described in detail below into being welded afterwards using welding manner in continuous tunnel furnace stove；Can also be fixed in addition using frock or
Spacing mode is assembled, and assembly is welded using welding manner in continuous tunnel furnace stove；It can also use and get ready admittedly
Fixed mode or the mode of the convex portion of some part setting wherein make to be relatively fixed or limit between adaptor, bellows, extension tube attached
Position, then assembly is welded using welding manner in continuous tunnel furnace stove, being welded using continuous tunnel furnace can make than gas brazing
The uniformity of damping tube is relatively more preferable, and adaptor, bellows, extension tube attached weld completion compared with separated welding on materials simultaneously
Influence smaller.
The structure of adaptor 3 refers to Fig. 8~Fig. 9, and adaptor 3 has an adaptor inner chamber 32, the adaptor inner chamber 32 with
The inner chamber connection of bellows 1, adaptor is in the relative set solder portion of adaptor inner chamber 32 for placement solder (not shown).
The adaptor of bellows linkage section 12a, the junction difference socket joint of extension tube attached extension tube attached 5 in adaptor 3a inner chambers both ends coordinates
Portion, it is in throat structure that bellows linkage section 12a, extension tube attached 5, which can set guide section i.e. local,.It is bellows linkage section 12b, outer
The junction of adapter 6 distinguishes socket joint can be between the adaptor auxiliary section at adaptor 3b inner chambers both ends, the joint portion of each part
It for interference fits, will not so be scattered when being placed into continuous tunnel furnace, also no longer need extra frock to fix.In addition, bellows
Clearance portion is provided between the inner chamber wall portion coordinated between linkage section and adaptor, is coordinated between the junction and adaptor of extension tube attached
Inner chamber wall portion also be provided with clearance portion.So, the solder that is positioned in adaptor inner chamber respective streams after being melted down can be made during welding
Enter to the clearance portion between the clearance portion between bellows linkage section and adaptor, and the junction and adaptor of extension tube attached and reality
Now weld.
As shown in figure 1, bellows 1 can also configure braiding webmaster 2, further to protect the bellows in damping tube
1, braiding webmaster 2 can protect the outside of bellows 1, and bellows 1 will not be directly affected when by outer damage, weave webmaster 2
Specific optional stainless steel mesh grid set, it has relatively good intensity and toughness.After each pipe fitting completes welding, webmaster will be woven
It is set in bellows main paragraph 11 2 clad types, two terminations of the braiding webmaster 2 rotate into trim ring 4a, trim ring 4b respectively,
And deform trim ring in a manner of extruding trim ring idiosome, braiding webmaster 2 is fixedly connected with trim ring, adaptor, so press
Circle need not eliminate trim ring 4a, trim ring 4b welding procedure again with adaptor or bellows-welding.Conveniently,
Horizontal impression 40 in Fig. 1 on trim ring 4 is that illustration shows this part, and they can be eliminated by polishing shaping, no longer
Repeat.
As shown in Fig. 1~Fig. 2, the embodiment optimizes the welding structure of damping tube, and its weldment includes a ripple
Pipe 1, two adaptor 3a, 3b and two extension tube attacheds 5,6, wherein：Extension tube attached 5 can be common external for what is be connected with system
Such as copper pipe is managed, so in the case where system body is copper material, is advantageous to damping tube and is connected with system；Extension tube attached 6 can be
Extension tube attached with expansion mouth, they are respectively arranged with extension tube attached junction 52,62, and it is specific as shown in Figure 10~Figure 15.Two
Adaptor 3a, 3b can place solder, the bellows linkage section 12a of the one end of bellows 1 respectively in the ad-hoc location of adaptor inner chamber 32
Coordinate with the adaptor auxiliary section on the inside of adaptor 3a, the adaptor auxiliary section on the outside of extension tube attached junction 52 and adaptor 3a
Coordinate；Similarly, adaptor auxiliary sections of the bellows linkage section 12b of the other end with socket joint on the inside of adaptor 3b coordinates, outside
Adaptor auxiliary section on the outside of union nipple section 62 and adaptor 3b coordinates, and thus bellows 1 can divide with two extension tube attacheds 5,6
Welding is not fixed through continuous tunnel furnace welding by adaptor 3a, 3b.
The basic process of the damping tube comprises the following steps：Solder is placed respectively in adaptor 3a, 3b inner chamber, and
By the junction of bellows linkage section 12a, 12b of bellows 1, extension tube attached 5,6 respectively in the manner described above with corresponding adaptor
Auxiliary section, which coordinates, is placed, and after these parts are assembled into an entirety, the assembly for making to be assembled into is carried out in stove by continuous tunnel furnace
Welding is completed in soldering, can also be uniformly placed in addition in frock (not shown) by continuous tunnel furnace or other integrally molded equipment
As vacuum welding chamber or gas shielded welding room are welded.In welding process, solder can flow into bellows connection after being melted down
Gap between section 12a, extension tube attached junction 52 and adaptor 3a inner chamber, and bellows linkage section 12b, external pipe joint
Gap between section 62 and adaptor 3b inner chamber, it is achieved in bellows 1 and corresponding two adaptors 3a, 3b and external
The welding of pipe 5,6.
It is worth noting that, to ensure that solder is flowed into bellows linkage section 12a, 12b, extension tube attached junction 52,62 and
Gap between corresponding adaptor 3a, 3b auxiliary sections inner chamber, should rationally design these gap parameters：Gap is too small, may cause
Solder can not effectively be permeated；Gap is excessive, and solder may penetrate adaptor and coordinate end surface, thereby result in outside weld seam
Dew, influences welding quality.In the present embodiment, in the present embodiment, the fit clearance of bellows linkage section and adaptor, bellows connect
The fit clearance for connecing section and adaptor is respectively：The fit clearance length of bellows linkage section and adaptor is bellows linkage section
The fit clearance length of more than 2 times of wall thickness, extension tube attached junction and adaptor is more than 2 times of extension tube attached junction wall thickness.
In a kind of specific embodiment, these fit clearances are 0.025mm~0.15mm, and fit clearance length is 5mm~15mm, so
Welding can be made relatively reliable, ensureing solder, effect is permeated as expected.
The characteristics of this welding manner is：Weld seam is located at corresponding bellows linkage section 12a, 12b outer wall, extension tube attached 5,6
Between the adaptor auxiliary section of the outer wall of junction and corresponding adaptor 3a, 3b inner chamber, i.e., weld seam is located inside adaptor.Weld seam
Bare area it is relatively small, and weld seam is located inside damping tube, it is internal in actual use be probably fluid media (medium) (such as
Internal flow is refrigerant during for refrigeration system), thus weld seam will not be exposed in air, so as to reduce weld seam and sky
The potential difference corrosion of gas contact；Meanwhile whole damping tube can only need once to weld and can complete, relative to gas brazing,
It is preferable to avoid bellows, extension tube attached and the multiple welding of corresponding adaptor, its weld seam uniformity；Due to these two aspects because
Element, is effectively improved damping tube welding quality, and the connection between product component is more reliable.In addition, integrally molded also simplify
Welding sequence, improve efficiency.
As shown in Figure 3, Figure 4, it is a kind of damping tube assembly of reduced form.As it was noted above, the embodiment in Fig. 1, Fig. 2 will
1, two adaptor 3a, 3b of one bellows and two progress of extension tube attached extension tube attacheds 5,6 are integrally molded, obtain complete damping tube
Component.It is understood that in actual production process, party in request can be answered to need only to turn an above-mentioned bellows 1, two
Fitting 3a, 3b are integrally molded to carry out, and are consequently formed the component of a reduced form, are specifically shown in Fig. 3, Fig. 4.This reduced form is made
After damping tube assembly, can further by it to compressor in refrigeration system, circulating line or other need the corresponding of damping occasion
Pipe fitting is welded, and to reach corresponding damping effect, will not be repeated here.In addition, the utility model embodiment can also be
The side of bellows is welded with adaptor, extension tube attached, and opposite side is fixed with corresponding adaptor and welded.
As shown in Fig. 5~Fig. 7, bellows 1 is preferably made up of stainless steel, and it includes bellows main paragraph 11 and ripple
Line pipe linkage section 12, wherein：Bellows main paragraph 11 has more than two telescopic joints, can compensate pipe fitting because of temperature change etc.
The parameter such as dilatation caused by factor, wherein inside diameter of bel D1, outside diameter of bel D2, thickness of convolution t, pitch of waves q need to be according to external
System element determines.A kind of selection mode of bellows 1 is in the present embodiment：External system caliber is 12.7mm, bellows
Waveform can be U-shaped or Ω shapes, overall length 225mm, caliber 12A, pipe range 151mm, bellows 0.2 ± 0.01mm of wall thickness, ripple
Line bore D1 is 12 ± 0.2 mm, and outside diameter of bel D2 is 18 ± 0.2mm, wave height 3.0mm, 2.0 ± 0.15mm of the thickness of convolution, the thickness of convolution
T is 2.0 ± 0.15mm, and pitch of waves q is 3.0 ± 0.15mm, is derived from the damping and silencing effect being more satisfied with；Certainly also can be according to
Outer welding system overall performance index sets other parameters.Herein, bellows linkage section 12a, 12b are located at bellows main body respectively
The both ends of section 11, can be with extension tube attached 5, extension tube attached 6 after adaptor 3a, 3b is loaded；Or directly with refrigeration system
Other external devices welding.
It is understood that bellows 1 may produce certain flexible when using, its flexible stroke may when excessive
Produce damage.Bellows 1 can be configured with weaving webmaster 2, and it is specifically as follows stainless steel mesh grid, and it has preferably strong
Degree and toughness, the purpose of protection bellows 1 can be reached；Certainly, weave pipe network can also the protecting wire nets of other forms replace,
Such as aluminium alloy protecting wire net etc..As shown in Figure 1 to 4, braiding webmaster 2 is set in bellows main paragraph 11, its termination and adaptor
3a, 3b are fixed, and the bellows 1 of damping tube can be prevented to be stretched beyond certain limit.Specifically, adaptor 3a, 3b outer wall point
Adaptor unit with grooves in outer wall 33 (such as Fig. 8, Fig. 9) is not opened up, wherein can be compressed by loading trim ring 4a, 4b by webmaster 2 is woven
In the adaptor unit with grooves in outer wall 33.The assembly method of this braiding webmaster 2, operates relatively simple, structural reliability is preferable.
Due to trim ring 4a, 4b be using crimping by the way of make braiding webmaster, adapter realize fix, and be no longer by welding manner,
I.e. without being welded again, thus avoid the problem of former welding position repeats welding and is likely to occur weld defect.
As shown in Fig. 8~Fig. 9, adaptor 3 is specially to be designed for the utility model damping tube.Each adaptor 3 includes
Adaptor body 31, it is connecting bellows 1 and extension tube attached 5 or extension tube attached 6.The adaptor body 31 can be by stainless steel material
, can be by being obtained to idiosome Vehicle Processing in technique or red copper material makes, or can also be formed by processing and forming.Adaptor
Body 31 has adaptor inner chamber 32, and adaptor inner chamber 32 connects to the inner chamber of bellows 1 and the inner chamber of corresponding extension tube attached 5,6,
And two ends of adaptor inner chamber 32 set adaptor auxiliary section 321, adaptor auxiliary section 322 to load ripple to correspond to respectively
Pipe 1 and extension tube attached 5 or 6 are welded.Preferably, the welding between each bellows linkage section and corresponding adaptor auxiliary section is matched somebody with somebody
More than 1/3 that length is bellows linkage section outside dimension is closed, between each extension tube attached junction and corresponding adaptor auxiliary section
Welding length of fit be extension tube attached junction outside dimension more than 1/3, so extend fusion length, be advantageous to increase weldering
Connect intensity.Certainly, the length of fit of these pipe fittings can respective range be adjusted, repeat no more.
When above-mentioned adaptor 3 is welded with bellows 1 and extension tube attached 5 or 6, be advantageous to improve welding quality, its reason
It is：By bellows 1 and corresponding extension tube attached 5 or 6 is encased in respective tube adaptor auxiliary section 321, adaptor auxiliary section 322 is carried out
During welding, their weld seam is located at corresponding bellows linkage section 12, extension tube attached 5 or the junction outer wall of extension tube attached 6 and switching
Between the adaptor auxiliary section of the both sides of part inner chamber 32, weld seam is hardly overflowed in the end face of adaptor inner chamber 32, is thus avoided
Or weld seam bare area is reduced, and weld seam is located in pipe, thus the influence of potential difference etching problem is avoid or reduced, thus
Improve pipe fitting connection reliability.
Can between bellows linkage section 12, extension tube attached 5 or extension tube attached 6 and the corresponding adaptor auxiliary section of adaptor inner chamber 32
Think that gap coordinates, can also be the mode of main body interference fits in addition, it is possible thereby to be welded using modes such as stove welderings, have
For body：Solder is placed in the inner chamber solder placement section of adaptor 3 in advance, then by extension tube attached, bellows 1 and adaptor 3
Chamber auxiliary section coordinates assembling, then whole component is carried out into stove weldering by soldering furnace or welding booth, or whole component is fixed on into work
Load onto and stove weldering is carried out by soldering furnace or welding booth.After solder fusing, adaptor auxiliary section 321 and outer is flowed under capillary action
Between the faying face of adapter, adaptor fit inside portion 322 and the faying face of bellows 1, it is achieved in being welded and fixed.
Specifically, the position of the solder placement section of each adaptor 3 as shown in Figure 8, Figure 9, wherein adaptor inner chamber 32
Middle part sets adaptor inner convex platform 323, and the adaptor inner convex platform 323 protrudes from the setting of adaptor inner wall part, adaptor inner convex platform
323 projecting height can be slightly larger than or the wall thickness equal to extension tube attached, or the projecting height of adaptor inner convex platform 323 can omit
More than or equal to the wall thickness of bellows linkage section.Solder is placed in two ends of the adaptor inner convex platform 323 as placement section,
Solder can be flowed into the faying face gap between the outer wall of bellows linkage section 12 and adaptor inner chamber 32 after being melted down.
It is it is understood that between extension tube attached 5 or extension tube attached 6 and adaptor 3 and similar.Specifically, in adaptor
Chamber 32 sets adaptor inner convex platform 323, the switching on the outside of adaptor between auxiliary section 321 and adaptor fit inside portion 322
The height of part inner convex platform 323 can also be consistent with the wall thickness of extension tube attached junction and the wall thickness of the linkage section of bellows 1, here unanimously
Refer to that both differ and be no more than 10%.So that the internal equivalent diameter of extension tube attached, the internal equivalent diameter of adaptor inner convex platform, ripple
The internal equivalent diameter size difference of pipe is no more than 10%, so as not to change the latus rectum size of whole damping tube, prevents fluid motion
Adversely affect.Now, the both ends of adaptor inner convex platform 323 thus may be used respectively as solder portion 324, solder portion 325
Come with accordingly placing solder (generally weld-ring) to adaptor auxiliary section 321 and extension tube attached 5 or 6 and adaptor auxiliary section
Auxiliary section faying face between 322 and bellows 1 is welded, so that extension tube attached 5 or 6, bellows 1 pass through adaptor 3
As an entirety.
As it was previously stated, above damping tube can set braiding webmaster 2 to prevent from damaging.In a kind of embodiment, webmaster 2 is woven
For the braiding net sleeve of stainless steel, angle of weave is 40 °~60 °, and coverage rate is 75%~95%, and its intensity and Toughness Ratio are relatively managed
Think.Not using welding when the braiding webmaster 2 is fixed, therefore, the present embodiment has also carried out adaptability reform for adaptor 3.Such as
Shown in Fig. 8, Fig. 9, adaptor body 31 during fabrication can by going out adaptor unit with grooves in outer wall 323 to idiosome outer wall Vehicle Processing,
The both sides of the adaptor unit with grooves in outer wall 323 form adaptor outer wall flange 311, adaptor outer wall flange 322.In other words,
The both ends of the outer wall of adaptor body 31 can set the first adaptor outer wall flange 311, the second adaptor outer wall flange respectively
322, adaptor unit with grooves in outer wall 323 is formed between the first adaptor outer wall flange 311 and the second adaptor outer wall flange 322.
Described adaptor unit with grooves in outer wall 323 is used for loading trim ring 4a, 4b, by the way that the idiosome extruding of trim ring 4 can be configured bellows 1
Braiding webmaster 2 be installed in adaptor unit with grooves in outer wall 313, the wherein end face of trim ring idiosome 41 and the both sides of adaptor unit with grooves in outer wall 33
The medial surface of flange part is combined closely, and thus increases pressing friction power to fix braiding webmaster 2.This braiding webmaster fixed form
Due to without welding, thus avoiding weld defect.Other adaptor body 31 can be relatively close ripple in one end of outer wall
One end of pipe sets adaptor outer wall flange 311, and the other end can choose whether to set adaptor outer wall flange.In addition,
Other braiding webmaster fixture such as network folders etc. can be selected to be fixed.
As shown in Figure 8, Figure 9, the first adaptor outer wall flange 311, the second adaptor outer wall flange 312 can be set down respectively
Corner, wherein：The outside of first adaptor outer wall flange 311 sets the chamfered section 3111 of 1/4 circumference, to facilitate trim ring 4 from the position
Put loading；The outside of second adaptor outer wall flange 3121 sets the chamfered section 3121 of semicircle, and braiding webmaster 2 is covered in the position
Shi Buhui causes to damage, can be set in the inner and outer of the second adaptor outer wall flange 3121 in other words chamfered section 3121 or
Say smooth transitions or the structure that smoothly transits, webmaster 2 is woven with protection.
As it was previously stated, extension tube attached, bellows 1 need to be pressed into the both ends of adaptor 3 by the utility model damping tube in assembling
Auxiliary section welded.For the convenience of press fitting, it may be considered that set the problem of being oriented to.As Fig. 8, Fig. 9 show, on the outside of adaptor
The outer end of auxiliary section 321 sets guide face 326, is so easy to extension tube attached to be pressed into the adaptor auxiliary section 321；Same reason,
The outer end in adaptor fit inside portion 322 may also set up corresponding guide face to make extension tube attached 5 or 6 be smoothed out being pressed, and it does not exist
Indicated, therefore be will not be repeated here in Fig. 8, Fig. 9.
In refrigeration systems, bellows 1 and extension tube attached 5 are pressed into the corresponding adaptor auxiliary section of side adaptor 3 respectively,
Bellows 1 and extension tube attached 6 are pressed into the corresponding adaptor auxiliary section of opposite side adaptor 3 respectively, are then welded, its medium wave
It is respectively cooperating between auxiliary section between line pipe 1 and corresponding adaptor 3, extension tube attached 5 and extension tube attached 6 and corresponding adaptor 3, solder
The auxiliary section faying face that can be flowed to after fusing between corresponding pipe fitting and adaptor 3 welds to realize.In order to easy to assembly, guarantee weldering
Connect quality, it is necessary to which the structure of extension tube attached, bellows 1 is optimized.
As shown in Figure 1 and Figure 2, the utility model damping tube sets extension tube attached 5 and extension tube attached 6 simultaneously, it is to be understood that
One extension tube attached can be only set in the case of certain.Illustrate extension tube attached 5 and extension tube attached 6 and adaptor 3 below in conjunction with Figure 10~15
Between assembly relation.It is understood that bellows 1 can also use similar structures and assembly method.
As shown in Figure 10~12, extension tube attached 5 can be for example copper straight tube of copper pipe or bend pipe, and external tube body 51 needs to weld
One end extension tube attached junction 52, the end set extension tube attached junction guide face 54 of the extension tube attached junction 52, wherein leading are set
Be about 10 ° to angle (bus of extension tube attached junction guide face 54 with the bus angle of the external outer wall of tube body 51) α, be so easy to by
Extension tube attached 5 is pressed the corresponding auxiliary section into adaptor body 31.In addition, the extension tube attached 5 in Figure 10 accesses according in outer welding system
The difference of element, it may be necessary to which expansion mouth is set.
As shown in Figure 10~Figure 12, transition can be used between the auxiliary section of extension tube attached junction 52 and adaptor body 31
Coordinate.To improve mobility during solder fusing, ensure welding quality, multiple axial directions are set on the outer outer wall of union nipple section 52
The extension tube attached unit with grooves in outer wall 53 of extension, they can be formed by way of wire drawing or rolled thread or extruding, and its quantity can be external
Pipe caliber units (unit：Mm) 2~3.5 times, particular number can be depending on the size of width and extension tube attached.In addition,
The width and depth of unit with grooves in outer wall 53 can be between 0.025mm~0.15mm, preferably 0.05mm~0.12mm, shaped cross
It can be that semicircle, arc is trapezoidal or square or V-arrangement etc.；By these extension tube attached unit with grooves in outer wall 53, can make solder have compared with
Good mobility, thus preferably ensure that welding quality.
Certainly, the external pipe outer wall convex tendon (not shown) that above-mentioned extension tube attached unit with grooves in outer wall 53 can also be formed with wire drawing
Mode realizes that their shape, specification, arrangement can be similar with extension tube attached unit with grooves in outer wall 53.Make convex rib part and adaptor
With respect to tight fit, the position between adjacent convex rib part is the flowing that solder can be achieved, and it has preferable mobility in welding.
So, you can make to be relatively fixed without the help of outside frock between extension tube attached, adaptor or spacing.That is extension tube attached, adaptor
No longer need by means of outside frock, can be achieved with reliably welding, repeat no more.It is understood that outer wall convex tendon can be with it
The convex portion of its form replaces.
As shown in Figure 14~Figure 16, another extension tube attached 6 is the copper straight tube with expansion mouth 65.External tube body 61 is same
Extension tube attached junction 62 is provided with, the end set extension tube attached junction guide face 64 of the extension tube attached junction 62, its guide angle is (outside
The angle of the bus of union nipple section guide face 64 and the external outer wall of tube body 61) β is about 10 °；In addition, extension tube attached junction 62
The axial arranged a plurality of extension tube attached unit with grooves in outer wall 63 of outer wall or external pipe outer wall convex tendon or combinations thereof, its quantity can be external
Caliber units (the unit of pipe 6：Mm) 2~3.5 times, so as to ensure solder extension tube attached 6 and corresponding adaptor auxiliary section 321 it
Between there is preferable mobility.Other external tubular constructions that can refer to Figure 12~Figure 14, are repeated no more.It is in addition, outer in Figure 12
Adapter 6 is according to the difference of outward element, it is also possible to is not provided with expansion mouth.
Conveniently, can also be used when bellows 1 of the present utility model, extension tube attached 5, extension tube attached 6 are square tube above-mentioned
Structure；Correspondingly, adaptor 3 is also not necessarily limited to pipe.In addition, extension tube attached 5, extension tube attached 6 are not limited to straight tube, such as them generally
During bend pipe (auxiliary section is extension tube attached), it can also be attached using aforesaid way, damping tube now is equally with higher
Connection reliability, it will not be repeated here.
As shown in figure 16, trim ring 4 of the present utility model can with meet hardness and ductility requirement material (such as red copper or
Stainless steel) it is made.Above-mentioned material is specifically made to the trim ring idiosome 41 of ring-type, the size of its endoporus 42 is slightly larger than outside adaptor
The maximum outside diameter size of the side flanges of wall groove 33.Assembly method is：Bellows 1, adaptor 3a, 3b and extension tube attached is external
After pipe 5,6 welds, webmaster 2 will be woven and wrap at least most of of bellows 1 and the adaptor 3 at both ends, at least make mesh grid
Pipe 2 coats adaptor unit with grooves in outer wall, then the trim ring idiosome 41 is set at the adaptor unit with grooves in outer wall 33 of adaptor 3 and simultaneously
Braiding webmaster is set in, then makes its diminution by extruding trim ring idiosome 41, adaptor forms the trim ring of fixed braiding webmaster 2
4, thus obtain the damping tube external member with braiding webmaster 2.Herein, braiding webmaster 2 is specifically as follows stainless steel mesh grid set, its
Angle of weave is 40 °~60 °, and coverage rate is 75%~95%.
It is easily understood that when processing above-mentioned trim ring idiosome 41 can in its end reset guide face 43, can so facilitate
Trim ring idiosome 41 is smoothly encased at the adaptor unit with grooves in outer wall 33 of adaptor 3 by ground.The assembly method of this braiding webmaster 4
Welding sequence is eliminated, is not only operated relatively simple, and structural reliability is higher.Herein, pacified with unit with grooves in outer wall 33
Dress braiding webmaster 2, naturally it is also possible to which holding part of the other forms structure as braiding webmaster, this holding part can be mesh grid
Pipe 2, which provides, closes suitable frictional force and extruding force, thus reaches the purpose of reliable installation protecting wire net braiding webmaster 2.For other knots
The protecting wire net of configuration formula, similar structures can also be used.
More than a specific embodiment in, bellows 1, the material for weaving webmaster can be stainless steel material, extension tube attached
5th, extension tube attached 6, the material of adaptor can be copper material, and such damping tube can be used for the occasion that system main material is copper material, ripple
Wlding between line pipe 1 and adaptor 3, extension tube attached 5 or 6 and adaptor 3 can select same material such as spelter bronze, example
A kind of such as specific embodiment is tin bronze solder, and its solder melt point can reach 1000 degree or so, all at 980 degrees Celsius as
More than, it can preferably meet the welding requirements of stainless steel and copper, this solder melt point temperature is higher by common copper-based weldering in addition
Material such as phos copper, even if damping tube subsequently needs to be welded and fixed with system, because the solder melt point temperature of damping tube in itself will
180 degree or so is higher by, so influence of the follow-up welding to damping tube also can very little.Other bellows can also select copper material
Material.Certainly, bellows 1 and adaptor 3, extension tube attached can also use different combinations of materials, now it should be noted that from other suitable
Wlding, such as：When being welded to aluminium alloy and stainless steel or steel, the optional aluminium of wlding, nickel, nickel alloy, titanium, titanium alloy, copper, copper close
Gold and silver in two or more, repeat no more.
In a kind of specific embodiment, the material selection red copper material of adaptor, correspondingly trim ring 4 also select red copper material,
So, the fixation of trim ring 4 is relatively reliable.In addition, the damping tube in this specification is referred to as prevention tube or shock absorbing pipe.
In another specific embodiment, bellows 1, the material for weaving webmaster can be stainless steel, extension tube attached 5, external
Pipe 6, the material of adaptor can also be aluminum material, and such damping tube can be used for the occasion that system main material is aluminium.
The damping tube of several specific embodiments of the present utility model is described above, its exemplary situations can be sky
Adjust the pipeline of the products such as device, refrigeration machine or automotive air-conditioning system.The compression of refrigeration system pipeline is connected by this damping tube
Machine and circulation line, it can preferably play shockproof effect.
The damping tubular construction to the utility model embodiment is illustrated above, on this basis, now to damping tube
Manufacture method is described.
Figure 17 is referred to, it shows the damping pipe manufacturing method of the utility model one embodiment.Damping tube manufacturer
Method includes：Part pretreatment process, solder place process, pipe fitting assembling procedure, braiding webmaster installation procedure, product handling system work
The concrete operation step of sequence etc., wherein each operation and effect are as follows.
1st, part pretreatment process
The step obtains the satisfactory parts such as part such as bellows, adaptor and extension tube attached.These parts should
Meet claimed below：Bellows includes the bellows main body of center section, and at least one end setting of bellows main body is axially extending
Bellows linkage section；Adaptor has adaptor inner chamber, and the middle part of adaptor inner chamber sets solder portion, adaptor inner chamber
Both ends adaptor auxiliary section is set, in addition, should also include the other structures in previous corrugated pipe, repeat no more.These parts
Can voluntarily it process, can also outsourcing.
Specifically, part pretreatment process can be omitted such as in the case of outsourcing, and this process is completed by outside, tool
Body includes the processing to bellows, adaptor and extension tube attached, described in detail below.
The preparation of bellows is included to the processes such as the blanking of bellows former material, chamfering, whole mouth, ultrasonic wave cleaning, these processes
Normal process steps can be used to operate, satisfactory bellows is can obtain after completing these operations.
Adaptor treatment process includes processing adaptor embryo material corresponding adaptor inner chamber, adaptor inner convex platform and turned
Fitting unit with grooves in outer wall, be derived from satisfactory adaptor, its can preferably as switching carrier come connect bellows and
Extension tube attached.
Extension tube attached treatment process includes cleaning the blanking of extension tube attached former material, chamfering, wire drawing, ultrasonic wave, is met the requirements
Extension tube attached.Usually, these extension tube attacheds can be determined whether to do enlarging processing as needed.
In addition, part pretreatment process also needs to carry out braiding webmaster the processes such as blanking, ultrasonic wave cleaning；And to pressure
Enclose the processes such as idiosome blanking, ultrasonic wave cleaning；Etc..After completing these work, it is possible to carry out other systems of whole damping tube
Make process, it is described below.
2nd, solder places process
Solder is put in the solder portion of adaptor inner chamber by the process in advance.Wherein, the melting temperature of conventionally used solder
800 degrees centigrades, but to make the welding of damping tube relatively reliable, solder such as bronze not less than 980 degrees Celsius can be selected
Solder etc..
3rd, pipe fitting assembling procedure
Complete after i.e. solder is placed after above-mentioned work, pipe fitting sub-assembly to can be assembled, by adaptor, bellows, extension tube attached three
Person carries out assembling and forms the pipe fitting sub-assembly that is integrated to carry out next few welding, and specific assembling mode is as described below.Tool
Body is to be assembled these bellowss, adaptor, extension tube attached etc., bellows is coordinated with adaptor in adaptor auxiliary section,
Adaptor, extension tube attached coordinate in another adaptor auxiliary section so that the inner chamber connection of adaptor, bellows, extension tube attached, if ripple
It is interference fits or interference fit to have between line pipe and adaptor, adaptor and extension tube attached local, then three is without outside frock
It is fixed, if three gap coordinates, can be fixed with outside frock it is spacing after, obtain pipe fitting sub-assembly.Specific assembling side
Formula can be one below：
Bellows, extension tube attached and adaptor are assembled into one, and with get ready fixed form or bellows, extension tube attached with
After one of adaptor sets the mode of convex portion to be fixed or be spacing, bellows is obtained, extension tube attached combines with the pipe fitting of adaptor
Part；
Bellows, extension tube attached and adaptor are assembled into one, and tentatively fixation or spacing is carried out with transition fit system
Afterwards, to the pipe fitting sub-assembly of bellows, extension tube attached and adaptor；
Bellows and extension tube attached are pressed by interference fits mode respectively and carry out tentatively fixation or spacing in adaptor, and
To the pipe fitting sub-assembly of bellows, adaptor and extension tube attached.Cooperation wherein between bellows linkage section and adaptor auxiliary section
Gap is more than 2 times of bellows linkage section wall thickness, and the fit clearance between extension tube attached junction and adaptor auxiliary section is outer
More than 2 times of union nipple section wall thickness.
Afterwards, sub-assembly can be placed in integrated welding equipment and is welded.
4th, components welding process
In the process, pipe fitting sub-assembly is welded, obtains damping tube main body.Specifically, pipe fitting sub-assembly is placed
Welded in welding equipment, more specifically such as, in continuous tunnel furnace, vacuum welding chamber or gas shielded welding room or welding case
Pipe fitting sub-assembly is welded, now welding temperature, time etc. are according to these device parameters, the external pipe fitting main material of weldering and solder
Deng determination.
5th, net installation procedure
The effect of installation braiding webmaster is to prevent that bellows is damaged in damping tube, and its detailed process is：In damping tube master
The bellows main paragraph suit braiding webmaster of body；Adaptor unit with grooves in outer wall is placed in the present embodiment mesh grid tube end；Braiding
Mesh grid tube end is fixed on adaptor unit with grooves in outer wall by webmaster fixture, obtains prevention tube.Wherein, webmaster fixed form is woven
Can be：Trim ring idiosome is inserted in the end of braiding webmaster, extruding trim ring idiosome makes it deform and press the end for weaving webmaster
The adaptor unit with grooves in outer wall of adaptor is tightly fixed on, so net can be fixed without welding, thus obtain with protective action
Prevention tube finished product.The adaptor unit with grooves in outer wall of other adaptor can also be substituted by other structures, such as in adaptor close to ripple
Line pipe side sets the mode of convex portion.
6th, product handling system process
This process be alternatively, obtaining prevention tube after, can further be tested, be dried, mouth of pipe shaping, bag
After dress, so that it may obtain the product that dispatches from the factory of prevention tube.This prevention tube finished product uses bellows, adaptor and extension tube attached three once
Property stove in weld, its product one is straightforward relatively good, and solder design is more reliable, and because weld seam is located on the inside of damping tube, right
The service life of product is favourable.
The detailed description carried out above to embodiment to the utility model, but to the ordinary skill people of the art
For member, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model, this
It is a little to improve and modify the protection domain for also falling into the utility model claims.
Claims (9)
1. a kind of damping tube, including bellows, the bellows includes the bellows main body of center section, the bellows main body
At least one end is provided with axially extending bellows linkage section, it is characterised in that the damping tube is provided with adaptor and external
Pipe, the material of the extension tube attached is different from the material of the bellows, and the bellows linkage section connects with adaptor welding
Connect, the adaptor is welded to connect with the extension tube attached simultaneously, and the bellows is used for the linkage section coordinated with the adaptor
At least part in the adaptor, the outside wall portions of the linkage section for being used to coordinate with the adaptor of the bellows with
Be used for and the inner wall part that the bellows coordinates of the adaptor auxiliary section are welded and fixed, the bellows and the adaptor
Weld seam be located at the inner side of bellows linkage section and/or adaptor, the extension tube attached at least partly in the adaptor,
The outside wall portions of the linkage section for being used to coordinate with the adaptor of the extension tube attached are used for and institute with the adaptor auxiliary section
The inner wall part for stating bellows cooperation is welded and fixed, the weld seam of the extension tube attached and the adaptor be located at the extension tube attached and/or
The inner side of adaptor.
2. damping tube as claimed in claim 1, it is characterised in that the bellows is stainless steel material, and the extension tube attached is
Copper pipe, the adaptor are red copper material；The damping tube also includes braiding net sleeve, and the braiding net sleeve is stainless steel material,
The intermediate host of the braiding net sleeve is set in the bellows main body, and the both ends of the braiding net sleeve are fixed by braiding net sleeve
Part is fixed with the adaptor, the braiding net sleeve fixture in a manner of compressing or clamp by the both ends of the braiding net sleeve with
The adaptor is fixed.
3. damping tube as claimed in claim 1, it is characterised in that bellows described in extension tube attached linkage section is stainless steel material,
The extension tube attached is aluminum pipe；The damping tube also includes the braiding net sleeve as protecting wire net, and the braiding net sleeve is stainless steel material,
The intermediate host of the braiding net sleeve is set in the bellows main body, and the both ends of the braiding net sleeve are fixed by braiding net sleeve
Part is fixed with the adaptor, the braiding net sleeve fixture in a manner of compressing or clamp by the both ends of the braiding net sleeve with
The adaptor is fixed.
4. damping tube as claimed in claim 2 or claim 3, it is characterised in that the braiding net sleeve fixture is red copper material, described
Adaptor includes adaptor unit with grooves in outer wall, and the end of the braiding net sleeve is fixed on the adaptor by braiding net sleeve fixture
Unit with grooves in outer wall, the adaptor unit with grooves in outer wall are provided with flange part, the flange in the relatively close bellows body side
The part contacted with the braiding net sleeve in portion is the structure that smoothly transits, and the braiding net sleeve fixture is at least partly less than institute
State flange part and the braiding net sleeve fixture is at least partly located at the adaptor unit with grooves in outer wall.
5. damping tube as claimed in claim 4, it is characterised in that the net fixture is the trim ring of red copper material, described
The end of the braiding net sleeve is pressed on the adaptor unit with grooves in outer wall by the idiosome of trim ring by fashion of extrusion, the trim ring
The flange part medial surface of idiosome end face and the adaptor unit with grooves in outer wall both sides is combined closely.
6. damping tube as claimed in claim 4, it is characterised in that the adaptor inner chamber is provided with adaptor inner convex platform, institute
State inner convex platform and be located at the inner chamber of the adaptor with respect to middle part, the first side of the inner convex platform is the bellows linkage section, institute
The weld seam for stating bellows and the adaptor is located at the side of inner convex platform first；Second side of the inner convex platform is described external
Pipe, the extension tube attached and the weld seam of the adaptor are located at the side of inner convex platform second.
7. damping tube as claimed in claim 6, it is characterised in that two end set solder portions of the adaptor inner convex platform
To place solder, the solder flows into the bellows linkage section, the extension tube attached junction and corresponding switching in welding
Into the fit clearance of axially extending setting between part auxiliary section, the fit clearance is 0.025mm~0.15mm, between the cooperation
Gap length is 5mm~15mm.
8. damping tube as claimed in claim 7, it is characterised in that the outer wall of the extension tube attached junction is provided with a plurality of axial direction
External the pipe outer wall convex tendon and/or extension tube attached unit with grooves in outer wall of arrangement form the fit clearance, the external pipe outer wall convex tendon
And/or 2~3.5 times that the quantity of extension tube attached unit with grooves in outer wall is the extension tube attached caliber units, the external pipe outer wall convex tendon
And/or the specification of extension tube attached unit with grooves in outer wall is 0.05mm~0.12mm.
9. the damping tube as described in any one of claim 1,2,3,5~8, it is characterised in that the bellows waveform be U or
Ω types, bellows 0.2 ± 0.01mm of wall thickness, inside diameter of bel are 12 ± 0.2mm, and outside diameter of bel is 18 ± 0.2mm, the thickness of convolution
2.0 ± 0.15mm, the thickness of convolution are 2.0 ± 0.15mm, and the pitch of waves is 3.0 ± 0.15mm.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211945.7U CN206989784U (en) | 2017-03-06 | 2017-03-06 | Damping tube |
| EP18763270.8A EP3594602B1 (en) | 2017-03-06 | 2018-03-06 | Vibration absorption tubing and manufacturing method thereof |
| US16/491,084 US11674620B2 (en) | 2017-03-06 | 2018-03-06 | Vibration absorption tubing and manufacturing method thereof |
| PCT/CN2018/078095 WO2018161882A1 (en) | 2017-03-06 | 2018-03-06 | Vibration absorption tubing and manufacturing method thereof |
| JP2019549405A JP6948402B2 (en) | 2017-03-06 | 2018-03-06 | Vibration control pipe and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211945.7U CN206989784U (en) | 2017-03-06 | 2017-03-06 | Damping tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206989784U true CN206989784U (en) | 2018-02-09 |
Family
ID=61422551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720211945.7U Active CN206989784U (en) | 2017-03-06 | 2017-03-06 | Damping tube |
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| Country | Link |
|---|---|
| CN (1) | CN206989784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534585A (en) * | 2017-03-06 | 2018-09-14 | 新昌县四通机电有限公司 | Damping tube |
-
2017
- 2017-03-06 CN CN201720211945.7U patent/CN206989784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534585A (en) * | 2017-03-06 | 2018-09-14 | 新昌县四通机电有限公司 | Damping tube |
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