CN204176179U - Bend in one direction bellows - Google Patents
Bend in one direction bellows Download PDFInfo
- Publication number
- CN204176179U CN204176179U CN201420606322.6U CN201420606322U CN204176179U CN 204176179 U CN204176179 U CN 204176179U CN 201420606322 U CN201420606322 U CN 201420606322U CN 204176179 U CN204176179 U CN 204176179U
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- round
- tube body
- jade
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- flat
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Abstract
The utility model discloses bend in one direction bellows, it comprises integrated tube body, the side of described tube body is provided with the flexible wall section that can be stretched, the opposite side of tube body is provided with the straight ancient piece of jade, round, flat and with a hole in its centre that the axial direction along tube body runs through, and between described flexible wall section with a straight ancient piece of jade, round, flat and with a hole in its centre, round and smooth connection forms the tube body that has hollow cavity afterwards.Tube body in the utility model is by forming after the flexible wall section be stretched and the round and smooth connection of a straight ancient piece of jade, round, flat and with a hole in its centre, based on said structure, when tube body bends, flexible wall section stretches, and a straight ancient piece of jade, round, flat and with a hole in its centre can only bending playing the guiding role, and makes the arbitrary position on a straight ancient piece of jade, round, flat and with a hole in its centre bending along specific direction, and, tube body can only bend along a direction, and the unidirectional orientation achieving bellows bends, can as hollow reinforced rib for the production of outer ripple plastic winding structure wall pipe.
Description
Technical field
The utility model relates to a kind of bellows, particularly relates to a kind of bend in one direction bellows.
Background technique
Bellows, has the housing of the cylinder-shaped thin wall wrinkle of multiple transverse wave.Bellows is generally made up of PP, PA or PE material, and it has elasticity, can produce displacement or bend under pressure, axial force, transverse force or Moment.In BENDING PROCESS, because bellows is the housing of the cylinder-shaped thin wall wrinkle with multiple transverse wave, it can bend to any direction.Due to the non-directional flexural property of bellows, it is made to be widely used in the line of Building wood and machinery.In addition, in the production of outer ripple plastic winding structure wall pipe with hollow reinforced rib, also adopt bellows to be hollow reinforced rib, its main cause is utilize bellows energy arbitrarily to bending characteristic.The concrete production method of this structure-wall pipe material is, after the outer surface parcel melten gel of bellows, with spiral winding mode cross-pressure on uncooled winding tube wall, again after the rolling of pinch roller, bellows and melten gel and tube wall fuse together, and form the outer ripple plastic winding structure wall pipe with hollow reinforced rib.But, there is following shortcoming in this technique: 1) because bellows is softer, at the parcel melten gel after being rolled by pinch roller that is heated, the cross section of bellows becomes oval, the ratio between the width of hollow reinforced rib and height is caused to be greater than 1, reduce the ring stiffness of outer ripple plastic winding structure wall pipe, reduce the integral bending of wall pipe; 2) being heated and rolling rear distortion due to bellows, the height of the hollow reinforced rib of this wall pipe can only reach 6 ~ 8% of wall pipe diameter; 3) cross section is that the area of contact of the bellows of ring and tube wall is few, causes both connections weak, reduces the integral bending of wall pipe.
Therefore, be necessary to provide a kind of novel bellows, to overcome above-mentioned technique and structural various shortcoming.
Model utility content
The purpose of this utility model, is to provide a kind of bend in one direction bellows.
The solution that the utility model solves its technical problem is: bend in one direction bellows, it comprises integrated tube body, the side of described tube body is provided with the flexible wall section that can be stretched, the opposite side of tube body is provided with the straight ancient piece of jade, round, flat and with a hole in its centre that the axial direction along tube body runs through, and between described flexible wall section with a straight ancient piece of jade, round, flat and with a hole in its centre, round and smooth connection forms the tube body that has hollow cavity afterwards.
As the further improvement of technique scheme, described flexible wall section has the ripple of a plurality of indent evaginations, the cross section of described ripple is the one in sharp triangle, obtuse triangle shape, trapezoid shaped, rectangle, toroidal or elliptical shape.
As the further improvement of technique scheme, the outer wall of a described straight ancient piece of jade, round, flat and with a hole in its centre is provided with the parallel straight groove of multiple tracks, and the angle of the longitudinal center line of described straight groove and tube body is acute angle.
As the further improvement of technique scheme, the outer wall of a described straight ancient piece of jade, round, flat and with a hole in its centre is provided with knurled recesses.
As the further improvement of technique scheme, the cross section of described flexible wall section is the cross section after the arc of rounding off or described flexible wall section are connected with a straight ancient piece of jade, round, flat and with a hole in its centre is round and smooth is trapezoidal.
As the further improvement of technique scheme, the cross section after described flexible wall section is connected with a straight ancient piece of jade, round, flat and with a hole in its centre is round and smooth is isosceles trapezoid or right-angled trapezium.
As the further improvement of technique scheme, the material of described tube body is PE, PP, EVA, PVC or ABS material.
The beneficial effects of the utility model are: the tube body in the utility model is by forming after the flexible wall section be stretched and the round and smooth connection of a straight ancient piece of jade, round, flat and with a hole in its centre, based on said structure, when tube body bends, flexible wall section stretches, a straight ancient piece of jade, round, flat and with a hole in its centre can only bending playing the guiding role, make the arbitrary position on a straight ancient piece of jade, round, flat and with a hole in its centre bending along specific direction, and, tube body can only bend along a direction, the unidirectional orientation achieving bellows bends, can as hollow reinforced rib for the production of outer ripple plastic winding structure wall pipe.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is further described.
Fig. 1 is side view of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 is the cross sectional representation of first embodiment in the utility model;
Fig. 4 is the cross sectional representation of second embodiment in the utility model;
Fig. 5 is the cross sectional representation of the 3rd embodiment in the utility model.
Embodiment
Below in conjunction with accompanying drawing, describe application of the present utility model in detail.
With reference to Fig. 1 ~ Fig. 5, bend in one direction bellows, it comprises integrated tube body, the material of this tube body is plastics, by extruding one-body molded or injection moulding integrated molding, the side of described tube body is provided with the flexible wall section 1 that can be stretched, and the opposite side of tube body is provided with the straight ancient piece of jade, round, flat and with a hole in its centre 2 that the axial direction along tube body runs through, and between described flexible wall section 1 with a straight ancient piece of jade, round, flat and with a hole in its centre 2, round and smooth connection forms the tube body that has hollow cavity 3 afterwards.When tube body bends, flexible wall section stretches, a straight ancient piece of jade, round, flat and with a hole in its centre 2 can only bending playing the guiding role, make the arbitrary position on a straight ancient piece of jade, round, flat and with a hole in its centre 2 bending along specific direction, and, tube body can only bend along a direction, and the unidirectional orientation achieving bellows bends, can as hollow reinforced rib for the production of outer ripple plastic winding structure wall pipe.
Be further used as preferred embodiment, described flexible wall section 1 has the ripple 10 of a plurality of indent evaginations, interval between adjacent ripple 10 is the same, when tube body bends, ripple 10 is stretched, and the cross section of described ripple 10 is the one in sharp triangle, obtuse triangle shape, trapezoid shaped, rectangle, toroidal or elliptical shape.Certainly, the sectional shape of ripple 10 is not limited only to the above-mentioned shape exemplified, and according to the actual needs, can make the ripple that different cross section shape produced by different shaping dies.
Be further used as preferred embodiment, the outer wall of a described straight ancient piece of jade, round, flat and with a hole in its centre 2 is provided with the parallel straight groove of multiple tracks, and the angle of the longitudinal center line of described straight groove and tube body is acute angle, and this acute angle is preferably 0 ~ 45 °.When the angle of the longitudinal center line of straight groove and tube body is 0 ~ 45 °, when it is bending, a straight ancient piece of jade, round, flat and with a hole in its centre 2 can not produce too much gauffer.By arrange in outer wall multiple tracks and and tube body longitudinal center line between acutangulate straight groove, the frictional force between a straight ancient piece of jade, round, flat and with a hole in its centre 2 and surface of contact can be increased, especially when production has the outer ripple plastic winding structure wall pipe of hollow reinforced rib, melten gel can infiltrate consolidation after in straight groove and improve a straight ancient piece of jade, round, flat and with a hole in its centre 2 and connect stability with between wall pipe, improves the linking intensity between hollow reinforced rib and wall pipe.
Be further used as preferred embodiment, the outer wall of a described straight ancient piece of jade, round, flat and with a hole in its centre 2 is provided with knurled recesses, the frictional force between a straight ancient piece of jade, round, flat and with a hole in its centre 2 and surface of contact can be increased, especially when production has the outer ripple plastic winding structure wall pipe of hollow reinforced rib, melten gel can infiltrate consolidation after in knurled recesses and improve a straight ancient piece of jade, round, flat and with a hole in its centre 2 and connect stability with between wall pipe, improves the linking intensity between hollow reinforced rib and wall pipe.
Be further used as preferred embodiment, the embodiment as shown in Fig. 3 ~ Fig. 5, the cross section of described flexible wall section 1 is the cross section after the arc of rounding off or described flexible wall section 1 are connected with a straight ancient piece of jade, round, flat and with a hole in its centre 2 is round and smooth is trapezoidal.Cross section is that Arcuate flexible wall section 1 for circular or oval, can be not limited to above-mentioned exemplified embodiment.Certainly, the shape of cross section after flexible wall section 1 is connected with a straight ancient piece of jade, round, flat and with a hole in its centre 2 is round and smooth is not limited only to the above-mentioned shape exemplified, and according to the actual needs, can make different shaping dies and produce different cross section shape.
Be further used as preferred embodiment, the cross section after described flexible wall section 1 is connected with a straight ancient piece of jade, round, flat and with a hole in its centre 2 is round and smooth is isosceles trapezoid or right-angled trapezium.Cross section after flexible wall section 1 being connected with a straight ancient piece of jade, round, flat and with a hole in its centre 2 is round and smooth is made into trapezoidal, power is provided support by trapezoidal two sides, at the parcel melten gel after being rolled by pinch roller that is heated, the cross-sectional deformation of bellows is little, make between the width of hollow reinforced rib and height close to 1, improve the ring stiffness of outer ripple plastic winding structure wall pipe, improve the integral bending of wall pipe.
Be further used as preferred embodiment, the material of described tube body is PE, PP, EVA, PVC or ABS material.
More than that better embodiment of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (7)
1. bend in one direction bellows, it comprises integrated tube body, it is characterized in that: the side of described tube body is provided with the flexible wall section (1) that can be stretched, the opposite side of tube body is provided with the straight ancient piece of jade, round, flat and with a hole in its centre (2) that the axial direction along tube body runs through, and between described flexible wall section (1) with a straight ancient piece of jade, round, flat and with a hole in its centre (2), round and smooth connection forms the tube body that has hollow cavity (3) afterwards.
2. bend in one direction bellows according to claim 1, it is characterized in that: the ripple (10) described flexible wall section (1) with a plurality of indent evaginations, the cross section of described ripple (10) is the one in sharp triangle, obtuse triangle shape, trapezoid shaped, rectangle, toroidal or elliptical shape.
3. bend in one direction bellows according to claim 1 and 2, is characterized in that: the outer wall of a described straight ancient piece of jade, round, flat and with a hole in its centre (2) is provided with the parallel straight groove of multiple tracks, and the angle of the longitudinal center line of described straight groove and tube body is acute angle.
4. bend in one direction bellows according to claim 1 and 2, is characterized in that: the outer wall of a described straight ancient piece of jade, round, flat and with a hole in its centre (2) is provided with knurled recesses.
5. bend in one direction bellows according to claim 1 and 2, is characterized in that: the cross section of described flexible wall section (1) is the cross section after the arc of rounding off or described flexible wall section (1) are connected with a straight ancient piece of jade, round, flat and with a hole in its centre (2) is round and smooth is trapezoidal.
6. bend in one direction bellows according to claim 5, is characterized in that: the cross section after described flexible wall section (1) is connected with a straight ancient piece of jade, round, flat and with a hole in its centre (2) is round and smooth is isosceles trapezoid or right-angled trapezium.
7. bend in one direction bellows according to claim 1, is characterized in that: the material of described tube body is PE, PP, EVA, PVC or ABS material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606322.6U CN204176179U (en) | 2014-10-20 | 2014-10-20 | Bend in one direction bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606322.6U CN204176179U (en) | 2014-10-20 | 2014-10-20 | Bend in one direction bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204176179U true CN204176179U (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420606322.6U Withdrawn - After Issue CN204176179U (en) | 2014-10-20 | 2014-10-20 | Bend in one direction bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204176179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315271A (en) * | 2014-10-20 | 2015-01-28 | 戴爱清 | Single-direction curved corrugated pipe |
| CN107802943A (en) * | 2017-12-06 | 2018-03-16 | 陈佳 | The special Auxiliary support seal wire of ureteral distortion |
-
2014
- 2014-10-20 CN CN201420606322.6U patent/CN204176179U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315271A (en) * | 2014-10-20 | 2015-01-28 | 戴爱清 | Single-direction curved corrugated pipe |
| CN107802943A (en) * | 2017-12-06 | 2018-03-16 | 陈佳 | The special Auxiliary support seal wire of ureteral distortion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150225 Effective date of abandoning: 20170808 |