CN101512209B - Arrangement for connecting tube elements in a ventilation duct system - Google Patents
Arrangement for connecting tube elements in a ventilation duct system Download PDFInfo
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- CN101512209B CN101512209B CN2007800332471A CN200780033247A CN101512209B CN 101512209 B CN101512209 B CN 101512209B CN 2007800332471 A CN2007800332471 A CN 2007800332471A CN 200780033247 A CN200780033247 A CN 200780033247A CN 101512209 B CN101512209 B CN 101512209B
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- Prior art keywords
- outer tube
- adjacent portion
- connect
- connection set
- inner tubular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
Abstract
In an arrangement for connecting tube elements of a ventilation duct system, the inner tube (3) has an abutment (7') for engagement with a matching abutment (8') of the outer tube (1). By insertion of the inner tube (3) into the outer tube (1), the abutments (7', 8') are brought into engagement in a plane (P) perpendicular to the direction of insertion for providing coupling between the abutments and thereby connection of the tubes (1, 3). The abutment (7') of the inner tube (3) is continuous along the circumference of the tube (3) and is provided at a distance (d) from a free end (20) of the inner tube (3).
Description
Technical field
The present invention relates to the field of connecting tube element and like in ventiduct system.
Background technique
During nearly decades, the artificers of ventiduct system make great efforts to attempt seeking and connect the tube elements that is included in such system and the effective ways of like.
In a kind of widely used method, interior pipe is inserted in the outer tube, and securing means (screw or rivet) is driven through the tube wall part of overlap joint.Usually, said pipe is the sealed seamed pipe of the spiral winding of tinsel.Usually, setter or assembler need be securing means boring through tube wall.It is trouble, consuming time and need special instrument, for example electric drill, screw-driver, riveting machine etc. that this pipe connects.In addition, the securing means projection get into pipeline maybe disturbing flow and cause gas leakage, the dirt accumulation do not expected etc.Also have such risk in addition, cleaning equipment is disturbed and damaged to the protrusions that promptly gets into pipeline, brush for example, and said cleaning equipment passes pipeline and pushes.
In other Pipe joining method, tube end is provided with end flange, and said tube end is arranged to join end to end, and by special outside holding device clamping (for example referring to US-A-6,030,005 and WO-A-05/001323).In some applications, these methods are proved effective very much, need handle separated components, for example holding device, connecting ring etc. but shortcoming is the assembler.
And another kind of known Pipe joining method is from CH-A-496, and 927 learn, yet said method needs that separate and baroque connector element between tube end.
EP-A-797,038 discloses a kind of Pipe joining method, and wherein two tube walls all are provided with a plurality of interlocking otch, and said interlocking otch passes material cut.There is the shortcoming that weakens tube wall in closed hook-shaped incision.The otch that is interrupted has been formed snick, and said snick causes vertical slit of not expecting in thin tube wall.In addition, be provided in thin tube wall realizing that the accurate otch of lock-bit effect also is difficult to.
In addition, be difficult to otch is arranged in the cooperation position, accurately directed because pipe needs.In fact, notch portion can not this means the target that otch engages of passing through that does not realize expection to rear curved after inserting.Another shortcoming is higher relatively in the risk of incision gas leakage.
Pipe connection similar in the existing technology learns that from Swedish patent application SE 0402011-1 this patent application discloses the outer tube that is provided with the hook-shaped incision of passing the tube wall cutting.The shoulder that said otch is used on the interior pipe outside interior with being inserted into outer tube engages.Otch cuts the free end that has therefore weakened outer tube at the free end of outer tube, and the free end of joining portion between otch and shoulder and interior pipe is spaced apart.The pipe of existing technology connects and exists basically and EP-A-797, and 038 pipe connects identical shortcoming.
Therefore, need a kind of pipe that is used for the newtype of ventiduct system to connect.
Summary of the invention
An object of the present invention is to provide a kind of improved technological scheme that is used for connecting the tube elements of ventiduct system.
This purpose of the present invention will embody with other purpose from the following description, and realize through the device, method, use and the ventilating part that in appended independent claims, limit.The preferred embodiment of the invention and various version limit in appended dependent claims.
According to the present invention; A kind of device that is used to connect the tube elements of ventiduct system, said device comprises inner tubular element, said inner tubular element is configured to partly and is inserted in the outer tube element through drive fit; And be connected with outer tube element; Wherein said inner tubular element comprises outside first connection set, be used for the inboard that is arranged on outer tube element on corresponding second connection set engage, after inserting; Joint between said first and second connection sets provides the said connection of tube elements; And said joint occurs in the plane that is basically perpendicular to direction of insertion, and at least one in wherein said first and second connection sets extended along the whole circumference basically of relevant tube elements, and wherein said first connection set is located in the end sections of inner tubular element; The free end of the said end sections of inner tubular element is outwards with recurvate, so that form described first connection set.
In device of the present invention; Inner tubular element is provided with first connection set that corresponding second connection set engages on the inboard that is used for outer tube element, and wherein at least one whole circumference basically around associated tube element of first and second connection sets is continuous.Thus, can realize tube elements fast be connected easily.Do not need extra instrument or separated components, and the otch of assembler's complicacy that need in special position, not be provided for connecting.
In addition, first connection set is located in the end sections of inner tubular element, and this has made things convenient for insertion and has been connected.The joint of between tube elements, setting up through connection set is positioned at the free end a distance apart from outer tube, and the hardness that this place engages has strengthened connection stability.
Preferably, first connection set is continuous around the circumference of inner tubular element.Such connection set forms on tube elements easily, and for effective manufacturing, is favourable thus.In addition, set up easily and the engaging of the device that is connected of outer tube element, and the shape of the device of need not considering to be connected.Because the first continuous connection set, inner tubular element can turn to any required angular orientation, does not engage and is connected and can not jeopardize.
According to preferred embodiment, the free end of the end sections of inner tubular element is outside and recurvate, so that form first adjacent portion, wherein curved end is continuous around the circumference of end sections preferably.Through this structure, realize with a kind of very simple and efficient mode the adjacent portion of first connection set of inner tubular element.Crooked free end provides sharp trip edge, and the favourable reinforcement of inner tubular element end also is provided, and has therefore improved the hardness and the stability that connect.
Preferably, second connection set of outer tube element comprises the recess that is formed in the tube wall and opens with angle intervals with respect to the circumference of outer tube element.Therefore during inserting, these recesses are on the free end of the bending of inner tubular element, and to make the tube wall deformation of outer tube element be non-circle cross-section.This distortion in the joint between the free end of recess and bending has improved smooth insertion and has guaranteed being connected of tube elements.
In one embodiment; Interior pipe connection has at least one first adjacent portion; Said at least one first adjacent portion is substantially perpendicular to direction of insertion, and outer pipe connection has at least one second adjacent portion, and said at least one second adjacent portion is basically perpendicular to direction of insertion.The adjacent portion of this cooperation provides safe connection, and this safe connection has prevented that inner tubular element from pulling out from outer tube element after connecting, and vice versa.
In another embodiment, the connection set of outer tube element comprises a plurality of abutment edges, and said a plurality of abutment edges are opened with angle intervals with respect to the circumference of outer tube element.Alternative is that continuous recessed circumference around outer tube element forms.Such adjacent portion is convenient to provide in the mill, and this is an advantage.
The adjacent portion of outer tube element can comprise recessed, said recessedly engage with the adjacent portion of inner tubular element, and the adjacent portion of said inner tubular element forms on the circumference shoulder in the end sections of tube elements.Such adjacent portion has strengthened positive engagement, and is convenient on tube wall, form.
Preferably, inner tubular element comprises circumferential groove, and the circumferential sealing ring is installed in said circumferential groove, so that against the inner seal of outer tube element.This feasible favourable sealing that has guaranteed joint between two tube elements.
In one embodiment, seal ring is clamped in through the curved end with inner tubular element on the part of seal ring and is installed in the groove, and said curved end comprises said first connection set.This has formed favourable fastening to seal ring, has met the connection theory well.
Pipe joining method of the present invention comprises: partly inner tubular element is inserted in the outer tube element to drive fit, and between the connection set of inner tubular element and outer tube element, sets up respectively and engage, be used to provide the connection of said tube elements.Preferably, the device engage in snap engagement that is connected on the inboard of the free end of the bending of inner tubular element and outer tube element.Therefore further preferably, during inserting, the recess of outer tube element is on the free end of the bending of inner tubular element, and to make the tube wall deformation of outer tube element be non-circle cross-section.Through carrying out these steps, the safety connection of tube elements realizes through drive fit during inserting.Said tube elements " thump one " is in place.
Other advantage of the present invention and embodiment will embody in the following description.
Description of drawings
The present invention now will be described further with reference to accompanying drawing, and said accompanying drawing shows non-limiting example and version.
The pipe that Fig. 1-6 shows according to first embodiment of the invention connects;
Fig. 7-10 shows the assembly of first embodiment's tube elements;
Figure 11-12 shows the connection set on the outer tube element that is located at first embodiment;
Figure 13-16 shows the alternative connection set that is located on the outer tube element;
The pipe that Figure 17-20 shows according to second embodiment of the invention connects;
The pipe that Figure 21-24 shows according to third embodiment of the invention connects;
The pipe that Figure 25-28 shows according to fourth embodiment of the invention connects;
The pipe that Figure 29-32 shows according to fifth embodiment of the invention connects;
The pipe that Figure 33-36 shows according to sixth embodiment of the invention connects;
The pipe that does not have seal ring that Figure 37-40 shows according to seventh embodiment of the invention connects;
Figure 41-42 shows the version that on outer tube element, has the dual link device;
Figure 43-44 shows the version in first embodiment shown in Fig. 5-6;
Figure 45 shows first embodiment's who on outer tube element, has alternative connection set another kind of version;
Figure 46-47 still shows first embodiment's who in the overlap of tube elements, has other connection set another kind of version;
Figure 48-52 is schematically illustrated in the inserting step of first embodiment's who has four recesses on the outer tube element pipe connection;
Figure 53 shows the hard flange of large diameter outer tube element.
Embodiment
With reference to Fig. 1-12, a kind of citation form of the present invention has been described.Fig. 1 show tube elements or manage 1 how the intervalve element 3 through the link shape be connected to another tube elements or manage 2.Pipe the 1, the 2nd be included in the circular ventilation duct in the ventiduct system, and tube elements 3 is so-called tinsel link (" NPU " type that is for example put goods on the market by claimant Lindab AB) in this example.Preferably, tube elements the 1, the 2nd, the lock seam tube of the spiral winding of tinsel, said tinsel have wall thickness from about 0.5mm to about 1.25mm, said wall thickness depends on the diameter (D) of pipe.This invention theory especially is applied to the ventilation duct of diameter in the 80-315mm scope, but it also can be used for much bigger diameter, as 1600mm.
Fig. 2 is the side view of the attachment portion of link 3, and Fig. 3 is the end elevation of the attachment portion of link 3.Fig. 4 is the sectional view of link 3, and Fig. 5 is the sectional view of outer tube 1, and Fig. 6 is the sectional view of the pipe jointing part of Fig. 1.Another embodiment to be stated below will appear with similar view.
At each end sections (a); Link 3 has the two edges seal ring 4 that rubber is processed,
type that is preferably put goods on the market by claimant Lindab AB.Seal ring 4 is installed in the circumferential groove 5 of link 3, and tightens (referring to Fig. 4) by circumferential strap 6.
Shown in Fig. 1 and 7-10, pipe 1,2 connects through link 3.Therefore, connect or engage be located at link 3 and manage 1, each the overlap joint jointing between 2.Inner tubular element (link 3) partly is inserted in the outer tube 1,2 through drive fit.
In order to remain on the reliable connection between link 3 and each pipe, pipe 1,2 and link 3 are provided with the device that is connected that is used to be bonded with each other.
Therefore, each end sections of link 3 has the adjacent portion 7 that the free end 20 by link 3 forms, and the free end 20 of said link 3 is outwards with to rear curved.Said adjacent portion 7 has abutment surface or limit, and said abutment surface or limit are vertical basically with insertion axial direction (the arrow I among Fig. 7), and vertical basically with the center line C of link 3.In this embodiment, adjacent portion 7 is continuous around the whole circumference of link 3, but various versions also are feasible (following will the descriptions).Adjacent portion 7 has formed the connection set of link 3.Comprise that the continuous bend end of the link 3 of adjacent portion 7 has formed the end flange 20 of link 3.
In order to connect, link 3 is inserted in the pipe 1, and interconnects with bonding apparatus 7 and 8 and be used to guarantee said the connection.As visible in Fig. 6, the connection set of interior pipe 3 is moved the connection set through outer tube 1, and after insertion, forms connection.Connection set is in the locked position interlocking. Adjacent portion 7,8 is snapped to this position and form pins structure and play a role.For the ease of engaging, each recessed 9 limits ramped surfaces 10 on the inboard of pipe 1.
The excircle flange 11 of link 3 is provided with free-ended outer adjacent portion or the braking part that is used for two pipes 1,2 that are connected with link 3.Therefore, flange 11 define link 3 parts be inserted into the pipe 1 and 2 in (referring to Fig. 1).
Being bonded with each other between the adjacent portion 7 and 8 is formed in the plane P, said plane P vertical with direction of insertion I (Fig. 1,6 and 10).
Figure 11-12 shows recess 9 and how to be formed in the tube wall.In this embodiment, the central axis C inside projection of four recesses 9 towards pipe 1 arranged.Interval angle between recessed 9 is about 90 degree.During inserting, recess 9 forms with the continuous adjacent portion 7 of link 3 and engages.Preferably, the number of recess 9 and size thereof (degree of depth) adapt with the diameter of pipe.
Figure 13-14 shows the version of revising through a little, and the recess 12 of its interval has extension part at the circumferencial direction of pipe 1.Each recess 12 forms one " straight " part on the inboard of pipe 1.(not shown) in a kind of version, recess 12 can have radius or corresponding radius of curvature or the curvature with outer tube 1.
Recess 9 or 12 number are not vital, as long as these recesses form the adjacent portion 8 that enough being used for engages with the continuous adjacent portion 7 of interior pipe (just link 3).
In Figure 15-16, the connection set of outer tube 1 passes through to form around the continuous circumferential groove of the whole circumference of outer tube 1 or recessed 13.Preferably, the interval on the outside of this continuous connecting groove 13 and link 3 is connected adjacent portion (not shown) cooperation.
It is continuous that the adjacent portion 7 of interior pipe or link 3 does not need whole, but it also can comprise abutment edges part 7a, and said abutment edges part 7a forms circular arc and centers on the circle distribution of link 3.Such embodiment is disclosed in Figure 17-20.The free end 20 of link 3 is outwards with to rear curved, as along shown in the cross section of the Figure 19 that looks closely the section line A-A among Figure 18.Along in four interval locations of the circumference of end boss 20, curved end is " closure " to a certain extent, so that form four edge section 7b (referring to along shown in the cross section of the Figure 20 that looks closely the section line B-B among Figure 18) of the angle intervals that has about 90 degree.
The advantage that this embodiment has is that tube elements can be dismantled through rotary connector 3, makes recess 9 align with " closure " edge section 7b, makes the assembler can link 3 be pulled out from managing 1.
Figure 21-24 shows an embodiment, and wherein the end boss of link 3 has the structure of modification, and the structure of this modification is " closure " along whole circumference.This embodiment's advantage is that the free end of link 3 is conical, the convenient insertion of this taper shape.Preferably, adjacent portion 7c is continuous along the whole circumference of link 3.
Another embodiment is shown in Figure 25-28, wherein in the adjacent portion of pipe or link 3 be configured as continuous circumference shoulder 7d, said shoulder 7d stretches out from the outside with the contiguous link wall of said groove 5 diametrically, seal ring 4 is installed in the said groove 5.This embodiment has following advantage, and it is quite easy promptly producing in standard production equipment in abutting connection with shoulder 7d.In addition, the conical end of link 3 has promoted convenience to insert and has pinned effect in the interlock that is connected between the device.Preferably, this embodiment's outer tube 1 has continuous groove or recessed 13, so that engage (also referring to Figure 15-16) with the continuous shoulder 7d of link 3.
The embodiment of Figure 29-32 has the seal ring 4a of modification, and said seal ring 4a is by the free end 20 ' clamping of the bending of link 3.As previously mentioned, the adjacent portion 7e of link 3 engages with the adjacency 8 of outer tube 1.The curved end 20 ' of said link 3 has two functions: it makes that seal ring 4a is fastening, and it defines the interior connection set that is used to manage connection.Said seal ring 4a can be the type of in by the pamphlet "
system " of Spiro International S.A. (1999) distribution, describing.
In another embodiment shown in Figure 33-36, the free end 20 ' of link 3 is used for fit sealing ring 4a also outwards with to rear curved.Yet in this case, continuous circumference member 14 (for example being tinsel springy) is clamped between the fastening part of crooked link end 20 ' and seal ring 4a.The radially extended portion of said member 14 is provided with adjacent portion 7f, is used to engage recessed 9 fit adjacent portion 8 of outer tube 1.Additional member 14 also is provided with the firm clamping of seal ring 4a.
Figure 37-40 shows the embodiment who does not have seal ring.Outer tube 1 is same as described above with being connected of interior pipe or link 3, particularly about Fig. 1-12.In the joint between two tube elements, leak gas sealing frankincense (sealing mastic) or can apply in pipe 1, circumference interface between 3 or outside joint with 15.It is identical with embodiment previously discussed basically to interconnect device (just during inserting to be joined adjacent portion 7,8).
Figure 41-42 shows an embodiment, wherein is arranged on for two recessed 9 with respect to outer tube 1 distance in the axial direction.Therefore, these concave-concaves advance 9 formed outer tube 1 interior connection set.The end boss 20 that comprises the link 3 of adjacent portion 7 is limited between two recessed 9.Through this structure, the circumference of (aforementioned) outer tube stops flange 11 to omit.
The version of the citation form of Fig. 5-6 is shown in Figure 43-44; According to Figure 43-44; Each recess of the connection set 8 of outer tube 1 forms part and so forms, and makes adjacent portion 8 form acute angles, so that engage with fit adjacent portion 7 on the curved end 20 of link 3.These " hook-shaped " recesses 9 have guaranteed engaging very reliably of tube elements 1 and 3 adjacent portion 7,8 and have been connected.
Figure 45 shows the another kind of version of the citation form of Fig. 5-6, and wherein rivet 21 passes outer tube 1 driving, and has formed the connection set 8 of outer tube 1.The rivet of opening with angle intervals along the circumference of outer tube 1 21 engages with the adjacent portion 7 of the curved end 20 of link 3.
Have two embodiments that axially go up isolated attachment portion shown in Figure 46-47.The joint that in the end sections of link 3 first connects between the fit adjacent portion 8 that forms through the adjacent portion 7 of the free end 20 of the bending of link 3 with by the isolated recess 9 of outer tube 1 forms.Second connects through other connection set 22 and forms, and said connection set 22 is formed on the outside of link 3, and cooperates with corresponding connection set 23 on the inboard that is formed on outer tube 1.
Link connection set 22 is arranged to locate apart from free end 20 1 segment distances (d) of link 3.Preferably, any one of these connection sets 22,23 comprises isolated recess, said recess and the continuous adjacent portion cooperation that forms the device that is connected.This embodiment is particularly suitable for large diameter ventilation duct, and said large diameter ventilation duct can be in the overlap joint joint " bending ".The connection effect of the combination in the anastomosis part that two axially spaced-aparts are opened provides reliable pipe to connect, and this reliable pipe connects " bending " that has reduced the joint between pipe.
Actual test shows to the embodiment of Figure 46-47: between the nominal diameter (D) of said distance (d) and interior pipe or link 3, have favourable ratio.If this ratio (d/D) (preferably about 10%-35%, with most preferably about 14%-30%) in the scope of about 7%-38% has realized that then safety and reliable the pipe are connected.Another relevant parameter is said distance (d) and inserts the ratio between the length (L).Preferably, this ratio (d/L) should be in 50%-85% (preferably about 70%-80%) scope, and this ratio depends on the diameter of pipe.If used distance (d) and inserted the ratio between the length (L), realized that then favourable interlock pinning effect is connected with managing very reliably.
Figure 48 is the schematic cross section that Figure 12 has the outer tube element 1 of four recesses 9 (amplify in the drawings and illustrate), and Figure 49 is the schematic end that has the interior tubular union 3 of crooked free end 20.During initial insertion, tube elements 1,3 has at the shape of cross section shown in Figure 50.After further inserting, recess 9 is cross over the outer of free end 20 of the bending of link 3 and places, and outer tube 1 has non-circular cross section now, the similar cross section of the side of being (amplifying in the drawings) basically.Recess 9 quilts are towards external pressure, and tube wall part 1a, 1b, 1c and 1d between recess 9 inwardly press (seeing arrow) with respect to the central axis of tube elements 1,3.Because the recess of opening with angle intervals 9 is on the free end 20 of the bending of link 3 and through the free end 20 of the bending of link 3, this distortion of the tube wall of outer tube 1 provides the snap-fit of tube elements 1,3 to be connected with safety.
The illustrative examples of Figure 53 is specially adapted to large diameter ventilation duct, and said large diameter ventilation duct maybe be in end sections some " weakness " owing to this diameter, and this safety that possibly jeopardize tube elements 3,2 again connects.Interior pipe or link 3 are same as described above, and it has crooked free end 20.Be provided with the continuous flange of circumference 24 in the free-ended a distance apart from outer tube 2, said flange 24 is used to strengthen the hardness of the outer tube 2 of contiguous attachment portion.As stated, outer tube 2 has many recesses 9 that are formed in the tube wall, is used for engaging with the adjacent portion of the free end 20 of the bending of link 3.
Though this specification has only been discussed the tube elements of circular cross section, should be mentioned that also this creationary theory also is applicable to pipe and the ventilation duct with varying cross-section, for example flat ellipse, rectangle etc.The connection set of pipe designs in the corresponding way.All embodiments' of the present invention common characteristic is: pipe Placement and adjacent portion so dispose, and feasiblely do not stay otch of opening or the hole that possibly cause in the tube wall leak gas.
It is emphasized that creationary theory is not limited to described embodiment here, and under the situation of the protection scope of the present invention that does not break away from accompanying claims and limited, can carry out various modifications.For example, the number of abutment edges can change.In addition, interior pipe can not be a link, for example is bending part, T shape part, baffler etc.
Claims (27)
1. device that is used to connect the tube elements of ventiduct system; Said device comprises inner tubular element (3); Said inner tubular element (3) is configured to partly and is inserted in the outer tube element (1) through drive fit; And be connected with outer tube element (1); Wherein said inner tubular element (3) comprises outside first connection set (7), be used for the inboard that is arranged on outer tube element (1) on corresponding second connection set (8) engage, after inserting; Joint between said first and second connection sets (7,8) provides the said connection of tube elements (1,3); And said joint occurs in the plane (P) that is basically perpendicular to direction of insertion (I), and at least one in wherein said first and second connection sets (7,8) extended along the whole circumference basically of relevant tube elements, and wherein said first connection set (7) is located in the end sections (a) of inner tubular element (3); The free end (20) of the said end sections (a) of inner tubular element (3) is outwards with recurvate, so that form described first connection set (7).
2. the device that is used to connect the tube elements of ventiduct system as claimed in claim 1, wherein said first connection set (7) is continuous along the circumference of inner tubular element (3).
3. the device that is used to connect the tube elements of ventiduct system as claimed in claim 1, the free end of wherein said bending (20) is continuous along the circumference of said end sections (a).
4. the device that is used to connect the tube elements of ventiduct system as claimed in claim 2, wherein said second connection set (8) of outer tube element (1) comprises the recess (9) that is formed in the tube wall and opens with angle intervals with respect to the circumference of outer tube element (1).
5. the device that is used to connect the tube elements of ventiduct system as claimed in claim 1; Wherein said first connection set (7) comprises at least one first adjacent portion (7a-f); Said at least one first adjacent portion (7a-f) is basically perpendicular to direction of insertion, and wherein said second connection set comprises at least one second adjacent portion (8; 8a-c), said at least one second adjacent portion (8; 8a-c) be basically perpendicular to direction of insertion, the cooperation of said adjacent portion is to guarantee said connection.
6. the device that is used to connect the tube elements of ventiduct system as claimed in claim 2; Wherein said first connection set (7) comprises at least one first adjacent portion (7a-f); Said at least one first adjacent portion (7a-f) is basically perpendicular to direction of insertion, and wherein said second connection set comprises at least one second adjacent portion (8; 8a-c), said at least one second adjacent portion (8; 8a-c) be basically perpendicular to direction of insertion, the cooperation of said adjacent portion is to guarantee said connection.
7. the device that is used to connect the tube elements of ventiduct system as claimed in claim 3; Wherein said first connection set (7) comprises at least one first adjacent portion (7a-f); Said at least one first adjacent portion (7a-f) is basically perpendicular to direction of insertion, and wherein said second connection set comprises at least one second adjacent portion (8; 8a-c), said at least one second adjacent portion (8; 8a-c) be basically perpendicular to direction of insertion, the cooperation of said adjacent portion is to guarantee said connection.
8. the device that is used to connect the tube elements of ventiduct system as claimed in claim 5, wherein said second connection set (8) comprises a plurality of abutment edges (12), said a plurality of abutment edges (12) are opened with angle intervals with respect to the circumference of outer tube element (1).
9. the device that is used to connect the tube elements of ventiduct system as claimed in claim 6, wherein said second connection set (8) comprises a plurality of abutment edges (12), said a plurality of abutment edges (12) are opened with angle intervals with respect to the circumference of outer tube element (1).
10. the device that is used to connect the tube elements of ventiduct system as claimed in claim 7; Wherein said second connection set (8) comprises a plurality of abutment edges (12), and said a plurality of abutment edges (12) are opened with angle intervals with respect to the circumference of outer tube element (1).
11. the device that is used to connect the tube elements of ventiduct system as claimed in claim 5, wherein said outer tube element (1) comprises the circumferential recess (13) that limits second adjacent portion (8), and said second adjacent portion (8) is continuous along the circumference of outer tube element (1).
12. the device that is used to connect the tube elements of ventiduct system as claimed in claim 6, wherein said outer tube element (1) comprises the circumferential recess (13) that limits second adjacent portion (8), and said second adjacent portion (8) is continuous along the circumference of outer tube element (1).
13. the device that is used to connect the tube elements of ventiduct system as claimed in claim 7, wherein said outer tube element (1) comprises the circumferential recess (13) that limits second adjacent portion (8), and said second adjacent portion (8) is continuous along the circumference of outer tube element (1).
14. like each described device that is used to connect the tube elements of ventiduct system of claim 4-13; Wherein said first connection set (7) is formed on the circumference shoulder (7d), and said circumference shoulder is located on the outside of inner tubular element (3) and in the end sections (a) of inner tubular element (3).
15. like each described device that is used to connect the tube elements of ventiduct system among the claim 1-13, wherein inner tubular element (3) comprises circumferential groove (5), circumferential sealing ring (4; 4a) be installed in the above-mentioned circumferential groove (5), be used for against the inner seal of outer tube element (1).
16. the device that is used to connect the tube elements of ventiduct system as claimed in claim 15; Wherein said seal ring (4a) is clamped in through the curved end (20 ') with inner tubular element (3) on the part of seal ring (4a) and is installed in the said circumferential groove (5), and said curved end (20 ') comprises said first connection set (7e-f).
17. like each described device that is used to connect the tube elements of ventiduct system among the claim 1-13; Wherein said inner tubular element (3) comprises braking part (11); Said braking part (11) is configured to engage through the free end of outer tube element (1), is used to limit described part and inserts.
18. like each described device that is used to connect the tube elements of ventiduct system among the claim 1-13; Wherein said inner tubular element (3) comprises the other outer connecting device of locating apart from the said end sections certain distance (d) of inner tubular element (3) (22), and said other connection set (22) is configured to engage with the other interior connection set (23) of outer tube element (1).
19. like each described device that is used to connect the tube elements of ventiduct system among the claim 1-13, wherein outer tube element is the sealed seamed pipe (1) of the spiral winding processed of tinsel, and wherein inner tubular element (3) also is that tinsel is processed.
20. the device that is used to connect the tube elements of ventiduct system as claimed in claim 19, wherein inner tubular element is link (3).
21. one kind as the ventilation accessory like the inner tubular element of the device of each described tube elements that is used for connecting ventiduct system among the claim 1-13, wherein said ventilation accessory comprises said first connection set.
22. one kind as the ventilation duct like the outer tube element of the device of each described tube elements that is used for connecting ventiduct system among the claim 1-13, wherein said ventilation duct comprises said second connection set.
23. a ventiduct system comprises that at least one is like each described device that is used to connect the tube elements of ventiduct system among the claim 1-13.
24. each described device that is used to connect the tube elements of ventiduct system is used for connecting the tube elements, pipeline and/or the accessory that are included in ventiduct system among use such as the claim 1-13.
25. one kind is used for may further comprise the steps through the method like the device of each described tube elements that is used to connect ventiduct system of claim 1-13:
A) partly with inner tubular element be inserted in the outer tube element to drive fit and
B) between the connection set of inner tubular element and outer tube element, set up joint respectively, be used to provide the said connection of said tube elements.
26. one kind as when be subordinated to claim 1 the described method of claim 25, free end that wherein inner tubular element is crooked and the corresponding connecting arrangement engage in snap engagement on the inboard of outer tube element.
27. method as claimed in claim 26; Wherein, Wherein said second connection set (8) of outer tube element (1) comprises the recess (9) that is formed in the tube wall and opens with angle intervals with respect to the circumference of outer tube element (1); Therefore during inserting, the said recess of outer tube element is on the free end of the said bending of inner tubular element, and to make the tube wall deformation of outer tube element be non-circle cross-section.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84320806P | 2006-09-08 | 2006-09-08 | |
| SE0601856-8 | 2006-09-08 | ||
| SE06018568 | 2006-09-08 | ||
| US60/843,208 | 2006-09-08 | ||
| SE0601856 | 2006-09-08 | ||
| PCT/EP2007/059423 WO2008028969A2 (en) | 2006-09-08 | 2007-09-07 | Arrangement for connecting tube elements in a ventilation duct system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101512209A CN101512209A (en) | 2009-08-19 |
| CN101512209B true CN101512209B (en) | 2012-02-22 |
Family
ID=41003492
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800332289A Pending CN101512241A (en) | 2006-09-08 | 2007-09-07 | Arrangement for connecting tube elements in a ventilation duct system |
| CN2007800332471A Expired - Fee Related CN101512209B (en) | 2006-09-08 | 2007-09-07 | Arrangement for connecting tube elements in a ventilation duct system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800332289A Pending CN101512241A (en) | 2006-09-08 | 2007-09-07 | Arrangement for connecting tube elements in a ventilation duct system |
Country Status (7)
| Country | Link |
|---|---|
| CN (2) | CN101512241A (en) |
| AT (1) | ATE487083T1 (en) |
| DE (1) | DE602007010320D1 (en) |
| DK (1) | DK2059707T3 (en) |
| ES (1) | ES2355858T3 (en) |
| PT (1) | PT2059707E (en) |
| RU (2) | RU2009107000A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2571977B (en) * | 2018-03-15 | 2022-08-10 | Mcalpine & Co Ltd | Sanitary appliance drain connector |
| CN117506404B (en) * | 2024-01-05 | 2024-03-12 | 风通动力环境科技(成都)有限公司 | Screw screwing device for soft connection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2251046A (en) * | 1990-12-20 | 1992-06-24 | Robert Graham Straghan | Snap fit pipe coupling with angular alignment |
| CN1103149A (en) * | 1993-08-02 | 1995-05-31 | 弗里德韦尔迪克尔铁工厂公司 | Anti-sliding bearing connecting device |
| US6481759B1 (en) * | 1999-03-31 | 2002-11-19 | Tokai Rubber Industries, Ltd. | Connecting structure |
| CN1396997A (en) * | 2000-01-26 | 2003-02-12 | 诺沃塑料制品公司 | Connecting device for conducts |
| CN1671518A (en) * | 2002-06-20 | 2005-09-21 | 约翰逊父子公司 | Push-lock handle assembly |
-
2007
- 2007-09-07 DK DK07820076.3T patent/DK2059707T3/en active
- 2007-09-07 DE DE602007010320T patent/DE602007010320D1/en active Active
- 2007-09-07 CN CNA2007800332289A patent/CN101512241A/en active Pending
- 2007-09-07 CN CN2007800332471A patent/CN101512209B/en not_active Expired - Fee Related
- 2007-09-07 PT PT07820076T patent/PT2059707E/en unknown
- 2007-09-07 RU RU2009107000/06A patent/RU2009107000A/en not_active Application Discontinuation
- 2007-09-07 AT AT07820076T patent/ATE487083T1/en active
- 2007-09-07 ES ES07820076T patent/ES2355858T3/en active Active
- 2007-09-07 RU RU2009106998/06A patent/RU2009106998A/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2251046A (en) * | 1990-12-20 | 1992-06-24 | Robert Graham Straghan | Snap fit pipe coupling with angular alignment |
| CN1103149A (en) * | 1993-08-02 | 1995-05-31 | 弗里德韦尔迪克尔铁工厂公司 | Anti-sliding bearing connecting device |
| US6481759B1 (en) * | 1999-03-31 | 2002-11-19 | Tokai Rubber Industries, Ltd. | Connecting structure |
| CN1396997A (en) * | 2000-01-26 | 2003-02-12 | 诺沃塑料制品公司 | Connecting device for conducts |
| CN1671518A (en) * | 2002-06-20 | 2005-09-21 | 约翰逊父子公司 | Push-lock handle assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2009107000A (en) | 2010-10-20 |
| CN101512241A (en) | 2009-08-19 |
| RU2009106998A (en) | 2010-10-20 |
| CN101512209A (en) | 2009-08-19 |
| DK2059707T3 (en) | 2011-02-07 |
| PT2059707E (en) | 2011-02-07 |
| ATE487083T1 (en) | 2010-11-15 |
| ES2355858T3 (en) | 2011-03-31 |
| DE602007010320D1 (en) | 2010-12-16 |
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Granted publication date: 20120222 Termination date: 20190907 |