CN108980477A - A kind of bellows structure and bellows - Google Patents
A kind of bellows structure and bellows Download PDFInfo
- Publication number
- CN108980477A CN108980477A CN201811210279.0A CN201811210279A CN108980477A CN 108980477 A CN108980477 A CN 108980477A CN 201811210279 A CN201811210279 A CN 201811210279A CN 108980477 A CN108980477 A CN 108980477A
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- CN
- China
- Prior art keywords
- layer
- bellows
- compensating unit
- annular
- bellows structure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
Abstract
The present invention provides a kind of bellows structure and bellowss, bellows structure includes multi-layer annular unit and multi-layered compensation unit, multi-layer annular unit and multi-layered compensation unit form tubular structure, each layer annular element is evenly distributed, it include engaging portion between two layers of annular element, compensating unit is set on engaging portion, under non-bending state, the projection of the circumferential profile of each layer annular element in the axial direction is overlapped, the projection of the circumferential profile of each layer compensating unit in the axial direction is overlapped, under bending state, each layer compensating unit is in Extrude Face.Bellows includes bellows structure and straight tube structure, and one end of bellows structure and one end of straight tube structure connect, and form pipeline, and wider using the bellows scope of application of the bellows structure, stretch range is bigger, has good economic and practical value.
Description
Technical field
The present invention relates to Bellows Technology fields, in particular to a kind of bellows structure and bellows.
Background technique
Pipeline is used in numerous industry needs, and main function is to convey to article by certain route.
However in practical application scene, often because the limitation and the vibration of machine work etc. of environment space cause
Pipe band problem inconvenient for use is then needed with ripple and can be in the pipeline for ripply position is arranged being bent
To overcome these problems.
Bellows is a kind of purpose pipeline that the ripple cellular construction using Multilayer foldable is realized stretching and compressed, each layer
The circumferential profile of pipeline forms the structure similar to ripple to rise and fall after cellular construction arrangement, the peripheral part of each layer unit structure
Highest point is the wave crest of the ripple to rise and fall, and for bellows in bending, the compressed part of ripple is known as compressing surface, and ripple is drawn
The part stretched is known as Extrude Face.
However in the prior art, when traditional corrugated conduit is when bending under the biggish applicable cases of amplitude, this can be made
Bellows follows the string, and can not effectively meet the needs of setting bellows.
Therefore needing to design one kind can effectively meet that use scope is wider, and the bigger bellows knot of amplitude is bent in use
Structure and bellows.
Summary of the invention
The purpose of the present invention is to provide a kind of bellows structures, can more greatly bend, the scope of application is wider.
Another object of the present invention is that providing a kind of bellows, it is able to use and is needing pipeline bending setting
In environment.
The embodiment of the present invention is achieved in that
It is more the embodiment provides a kind of bellows structure, including multi-layer annular unit and multi-layered compensation unit
Compensating unit described in the layer annular element and multilayer forms tubular structure；
Each layer annular element is evenly distributed, includes engaging portion, the compensating unit between two layers of annular element
It is set on the engaging portion；
Under non-bending state, the projection of the circumferential profile of each layer annular element in the axial direction is overlapped, described in each layer
The projection of the circumferential profile of compensating unit in the axial direction is overlapped；
Under bending state, each layer compensating unit is in Extrude Face.
In addition, the bellows structure that embodiment according to the present invention provides, can also have the following additional technical features:
In alternative embodiment of the invention, under non-bending state, the circumferential profile of each annular element is in axial direction
On projection shape it is annular in shape, the shape of the projection of the circumferential profile of each layer compensating unit in the axial direction includes semicircle
Ring-type, the circle where the outer arc of the semi-annular shape are overlapped with the outer circle of the annular shape, where the inner arc of the semi-annular shape
Circle be overlapped with the inner circle of the annular shape.
In alternative embodiment of the invention, the compensating unit includes outer peripheral surface, and the engaging portion includes outer surface, institute
State the outer surface smoother transition of the outer peripheral surface on the circumferencial direction of the tubular structure with the engaging portion.
In alternative embodiment of the invention, the circumferential profile of each layer compensating unit in the axial direction be projected as justifying
Arc, the magnitude range of the corresponding central angle of the circular arc are 90 ° -180 °.
In alternative embodiment of the invention, the size of the central angle is 100 °.
In alternative embodiment of the invention, one layer of compensating unit is provided on each layer engaging portion.
Crest location and the adjacent compensation list in alternative embodiment of the invention, on each layer annular element
The distance between crest location in member is 5mm-10mm.
Crest location and the adjacent compensation list in alternative embodiment of the invention, on each layer annular element
The distance between crest location in member is 6.4mm.
In alternative embodiment of the invention, the thickness of the annular element and the compensating unit is close to the annular
It is gradually increased on the center of circle direction of circle where unit circumferential profile.
The embodiment provides a kind of bellowss, including bellows structure described in any of the above embodiments and straight tube knot
Structure, one end of the bellows structure are connect with one end of the straight tube structure, form pipeline.
The beneficial effects of the present invention are:
Multi-layer annular unit and the evenly distributed setting of multi-layered compensation unit are respectively provided with one layer of compensation between two layers of annular element
Unit, to form bellows structure, bellows structure is in bellows, and bellows is in bending, bellows structure
Extrude Face is stretched, and compensating unit can give the compensation of stretch range to the Extrude Face of the bellows structure of bending, so that drawing
The amplitude range stretched is wider, wherein and compensating unit is semi-annular shape, in the state that the tubular structure is in and does not bend, each layer
The projection of compensating unit in the axial direction mutually coincides, to guarantee that each layer compensating unit is in Extrude Face in bending, so that should
Bellows structure uniform force, wider using the bellows scope of application of the bellows structure, stretch range is bigger, has good
Economy and practical value.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the bellows structure structural schematic diagram that the embodiment of the present invention 1 provides.
Fig. 2 is that the annular element of bellows structure that the embodiment of the present invention 1 provides and the structural relation of compensating unit are shown
It is intended to.
Fig. 3 is that the annular element of bellows structure that the embodiment of the present invention 1 provides and the structural relation of compensating unit exist
Partial structural diagram at position I.
Fig. 4 is that the annular element of bellows structure that the embodiment of the present invention 1 provides and the structural relation of compensating unit exist
Partial structural diagram at position II.
Icon: 100- bellows structure；10- annular element；The engaging portion 15-；The outer surface 151-；20- compensating unit；21-
Outer peripheral surface；Thickness in A- axial direction.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
Embodiment 1
Incorporated by reference to Fig. 1 to Fig. 4, a kind of bellows structure 100 is present embodiments provided, 10 He of annular element including multilayer
The compensating unit 20 of multilayer.
Annular element 10 is cyclic structure, which can refer to the general setting of current techniques, multi-layer annular unit
10 is evenly distributed, and under non-bending state, the center of circle for forming each layer annular element 10 is coaxial, shape between every two annular element 10
At engaging portion 15.
Referring to figure 2., the setting of compensating unit 20 is arranged in 15 position of engaging portion, i.e., each compensating unit 20 in two annulars
Between unit 10, annular element 10 is semi-annular shape, and the semicircular ring of the semi-annular shape has the corresponding periphery circle of circumferential profile,
Here semicircular ring is either the case where central angle of the arc of circumferential profile is 180 °, is also possible to the circle of the arc of circumferential profile
The case where heart angle is less or greater than 180 °.
Selectable, the center of circle angular region of the arc of the circumferential profile of compensating unit 20 is 90 ° -180 °.
Preferably, the center of circle angular region of the arc of the circumferential profile of compensating unit 20 is 100 °.
Each layer annular element 10 forms tubular structure with each layer compensating unit 20, and the thickness of the barrel wall of the tubular structure exists
Annular element 10 is in radially identical, the axial central axes for crossing the tubular structure with one and excessively each layer compensation with compensating unit 20
The longitudinal sectional bellows structure 100 of the plane of unit 20, the figure that the outer wall profile of the bellows structure 100 intersects with the plane are
The corrugated of fluctuating, the figure that corresponding inner surface contour intersects with the plane are identical corrugated.
In the present embodiment, each layer annular element 10 all has circumferential profile with each layer compensating unit 20, and each periphery is taken turns
Exterior feature is on same cylindrical surface, and therefore, in the figure formed with the longitudinal sectional bellows structure 100 of above-mentioned plane, each layer annular is single
Point on first 10 line segments corresponding with the circumferential profile of each layer compensating unit 20 is crest location, outside each layer annular element 10
Between the midpoint on the line segment corresponding with the adjacent circumferential profile of compensating unit 20 of midpoint on the corresponding line segment of all profiles
Distance, between the crest location on crest location and the adjacent compensating unit 20 on referred to as each layer annular element 10 away from
From selectable, which is 5mm-10mm.
In the present embodiment, the crest location on each layer annular element 10 and the wave crest on the adjacent compensating unit 20
The distance between position is 6.4mm.
Engaging portion 15 is all had between every two annular element 10, therefore, compensation can be set on each engaging portion 15
Unit 20.
In the present embodiment, it is respectively provided with 1 compensating unit 20 on each engaging portion 15, the bellows structure 100 is not curved
Under folding state, the circumferential profile of the identical compensating unit 20 for semi-annular shape of each layer is on same cylindrical surface, namely is referred to, respectively
The projection of layer compensating unit 20 in the axial direction overlaps each other.
In the present embodiment, the bellows structure 100 is under non-bending state, the periphery of the identical annular element 10 of each layer
The circumferential profile of profile and each layer compensating unit 20 is also on same cylindrical surface, namely is referred to, each layer compensating unit 20 is in axial direction
On projection figure outer arc where the outer circle of figure of projection of the circle with annular element 10 in the axial direction be overlapped, each layer is mended
Repay the circle and the figure of the projection of annular element 10 in the axial direction where the inner arc of the figure of the projection of unit 20 in the axial direction
Inner circle is overlapped, outer arc here refers to that the corresponding arc of projection of 20 circumferential profile of compensating unit, inner arc refer to compensating unit
20 arcs corresponding with the projection of 15 link position of engaging portion.
Referring to figure 4., in the present embodiment, the outer peripheral surface 21 of the circumferential profile of each layer compensating unit 20 and engaging portion 15
Outer surface 151 seamlessly transits on the circumferencial direction of the tubular structure, and the outer surface 151 of engaging portion 15 here refers to combining
The surface of the exterior contour in portion 15.
Referring to figure 3., in the present embodiment, the bellows structure 100 is under non-bending state, each layer annular element 10 with
The distance between adjacent compensating unit 20 is gradually reduced on center of circle direction round where 10 circumferential profile of annular element,
Namely refer to, each layer annular element 10 is equal with the thickness A of each layer compensating unit 20 in the axial direction and close to the tubulose knot
It is gradually increased on the direction of the longitudinal axis of structure, to make the distance between each layer annular element 10 and each layer compensating unit 20 gradually
Reduce.
Under bending state, each layer compensating unit 20 is in the Extrude Face of tensional state, increases bellows knot to realize
The purpose of the bending amplitude of structure 100.
The principle of the present embodiment is:
Multi-layer annular unit 10 and the evenly distributed setting of multi-layered compensation unit 20 include combining between two layers of annular element 10
Portion 15 is respectively provided with one layer of compensating unit 20 on the engaging portion 15 between two layers of annular element 10, to form bellows structure
100。
The outer peripheral surface 21 of the circumferential profile of each layer compensating unit 20 and the outer surface 151 of engaging portion 15 are in the tubular structure
It is seamlessly transitted on circumferencial direction, the outer surface 151 of engaging portion 15 here refers to the surface of the exterior contour of engaging portion 15.
Bellows structure 100 is used in bellows, and bellows, in bending, the Extrude Face of bellows structure 100 is drawn
It stretches, compensating unit 20 can give the compensation of stretch range to the Extrude Face of the bellows structure 100 of bending, so that the width stretched
It is wider to spend range, wherein compensating unit 20 is semi-annular shape, in the state that the tubular structure is in and does not bend, each layer compensation
The projection of unit 20 in the axial direction mutually coincides, to guarantee that each layer compensating unit 20 is in Extrude Face in bending, so that should
100 uniform force of bellows structure.
Embodiment 2
A kind of bellows is present embodiments provided, which includes above-mentioned bellows structure 100 and straight tube structure.
In the bellows, at least one end of bellows structure 100 and one end of straight tube structure are connected, and form pipeline.
In the present embodiment, the both ends of the bellows structure 100 in the bellows are connect with two sections of straight tubes respectively, form pipe
Road.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bellows structure, it is characterised in that: including multi-layer annular unit and multi-layered compensation unit, annular described in multilayer is single
Member forms tubular structure with compensating unit described in multilayer；
Each layer annular element is evenly distributed, includes engaging portion between two layers of annular element, the compensating unit setting
In on the engaging portion；
Under non-bending state, the projection of the circumferential profile of each layer annular element in the axial direction is overlapped, each layer compensation
The projection of the circumferential profile of unit in the axial direction is overlapped；
Under bending state, each layer compensating unit is in Extrude Face.
2. bellows structure according to claim 1, it is characterised in that: under non-bending state, each layer annular is single
The shape of the circumferential profile projection in the axial direction of member is annular in shape, and the circumferential profile of each layer compensating unit is in the axial direction
The shape of projection includes semi-annular shape, and the circle where the outer arc of the semi-annular shape is overlapped with the outer circle of the annular shape, described
Circle where the inner arc of semi-annular shape is overlapped with the inner circle of the annular shape.
3. bellows structure according to claim 1, it is characterised in that: the compensating unit includes outer peripheral surface, the knot
Conjunction portion includes outer surface, and the outer peripheral surface is flat with the outer surface of the engaging portion on the circumferencial direction of the tubular structure
It slips over and crosses.
4. bellows structure according to claim 1, it is characterised in that: the circumferential profile of each layer compensating unit is in axis
Upward to be projected as circular arc, the magnitude range of the corresponding central angle of the circular arc is 90 ° -180 °.
5. bellows structure according to claim 4, it is characterised in that: the size of the central angle is 100 °.
6. bellows structure according to claim 1, it is characterised in that: be provided with one layer of institute on each layer engaging portion
State compensating unit.
7. bellows structure according to claim 6, it is characterised in that: under non-bending state, each layer annular is single
The distance between the crest location on crest location and the adjacent compensating unit in member is 5mm-10mm.
8. bellows structure according to claim 7, it is characterised in that: under non-bending state, each layer annular is single
The distance between the crest location on crest location and the adjacent compensating unit in member is 6.4mm.
9. bellows structure according to claim 1, it is characterised in that: each layer annular element and the adjacent benefit
It repays and is being gradually reduced on the center of circle direction of distance justified where the close annular element circumferential profile between unit.
10. a kind of bellows, it is characterised in that: including straight tube structure and the described in any item bellows structures of claim 1-9,
One end of the bellows structure is connect with one end of the straight tube structure, forms pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210279.0A CN108980477A (en) | 2018-10-17 | 2018-10-17 | A kind of bellows structure and bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210279.0A CN108980477A (en) | 2018-10-17 | 2018-10-17 | A kind of bellows structure and bellows |
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| Publication Number | Publication Date |
|---|---|
| CN108980477A true CN108980477A (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811210279.0A Pending CN108980477A (en) | 2018-10-17 | 2018-10-17 | A kind of bellows structure and bellows |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1228168A (en) * | 1967-08-01 | 1971-04-15 | ||
| GB1511630A (en) * | 1975-11-27 | 1978-05-24 | Pirelli | Hose |
| CN101093038A (en) * | 2006-06-20 | 2007-12-26 | 浙江三花制冷集团有限公司 | Connecting lines between indoor devices and outdoor devices in household air conditioning system |
| JP2009299589A (en) * | 2008-06-13 | 2009-12-24 | Toyoda Gosei Co Ltd | Intake system component |
| CN104136824A (en) * | 2012-01-23 | 2014-11-05 | 布鲁格管道控股股份公司 | Method for connecting a connection piece to a thermally insulated conduit pipe |
| CN209146528U (en) * | 2018-10-17 | 2019-07-23 | 天津鹏翎集团股份有限公司 | A kind of bellows structure and bellows |
-
2018
- 2018-10-17 CN CN201811210279.0A patent/CN108980477A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1228168A (en) * | 1967-08-01 | 1971-04-15 | ||
| GB1511630A (en) * | 1975-11-27 | 1978-05-24 | Pirelli | Hose |
| CN101093038A (en) * | 2006-06-20 | 2007-12-26 | 浙江三花制冷集团有限公司 | Connecting lines between indoor devices and outdoor devices in household air conditioning system |
| JP2009299589A (en) * | 2008-06-13 | 2009-12-24 | Toyoda Gosei Co Ltd | Intake system component |
| CN104136824A (en) * | 2012-01-23 | 2014-11-05 | 布鲁格管道控股股份公司 | Method for connecting a connection piece to a thermally insulated conduit pipe |
| CN209146528U (en) * | 2018-10-17 | 2019-07-23 | 天津鹏翎集团股份有限公司 | A kind of bellows structure and bellows |
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