CN103174829A - Telescoping mechanism - Google Patents
Telescoping mechanism Download PDFInfo
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- CN103174829A CN103174829A CN2013100904779A CN201310090477A CN103174829A CN 103174829 A CN103174829 A CN 103174829A CN 2013100904779 A CN2013100904779 A CN 2013100904779A CN 201310090477 A CN201310090477 A CN 201310090477A CN 103174829 A CN103174829 A CN 103174829A
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- Prior art keywords
- air bag
- supporting part
- support ring
- ring
- supporting parts
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Abstract
The invention discloses a telescoping mechanism. The telescoping mechanism is characterized by comprising an air bag. A closed end is arranged at one end of the air bag along a set telescopic direction, and the other end of the air bag is provided with an air intake end. A plurality of supporting parts are arranged and fixed on the air bag along the telescopic direction. The supporting parts support the air bag on a surface which is perpendicular to the telescopic direction. A gap for telescoping is arranged on every two adjacent supporting parts along the telescopic direction. The telescoping mechanism is simple in structure, easy to drive, capable of achieving automatic contraction through exhausting, free to contract, capable of being controlled and very convenient to use.
Description
Technical field
The present invention relates to a kind of mechanism of stretching by strength.
Background technique
Present extending means is varied, electronic, pneumatic, hydraulic driving etc., but the extending means of which kind of driving mode no matter, it consists of between each parts of this mechanism itself is all that component of machine connects, processed complex, cost is high, and the use field is also because easily be subject to certain limitation, and a lot of fields are used inconvenient.At present, have and to realize the mechanism of stretching by inflation, but this mechanism can not be at automatic drawing back under exhaust.
Summary of the invention
The shortcoming that exists in order to overcome above-mentioned prior art the object of the present invention is to provide a kind of extending means, and this mechanism structure is simple, drives easily, both can realize stretching by inflation, and can realize automatically shrinking by exhaust.
In order to address the above problem, the present invention by the following technical solutions: a kind of extending means comprises air bag; The end of this air bag on a flexible direction of setting is made as closed end, and the other end is made as inlet end; Be installed with a plurality of supporting parts along should flexible direction arranging on air bag, described supporting part with the face of this flexible perpendicular direction in air bag is supported; Be provided with for flexible interval between every two adjacent supporting parts on this flexible direction.
Further technological scheme: described supporting part is installed in outside described air bag; Each supporting part is equipped with the through hole that can be nested with and be fixed on air bag.
Further: described air bag also is set with balloon outer outward, the outside that is positioned at described supporting part that described balloon outer is tied tight.
Further: the span between adjacent two supporting parts is less than the diameter of through hole on two supporting parts at these two ends, interval.
Further: in two adjacent supporting parts one for large supporting part, another be for snapping in little supporting part in this large supporting part when air bag shrinks.
In addition, as the different scheme of another kind of supporting way: described supporting part is installed in described air bag; Described flexible direction along air bag on each supporting part is provided with through hole.
Further: the span between adjacent two supporting parts is less than the diameter of through hole on two supporting parts at these two ends, interval.
Further: described supporting part is support ring, and described support ring correspondence is installed with snap ring, and the wall of described air bag is clamped between support ring and snap ring.
Further: in two adjacent support rings, one is large support ring, another is little support ring, the snap ring that corresponding large support ring coordinates is large snap ring, and the snap ring that the ramuscule pushing out ring coordinates is little snap ring, and described little snap ring can snap in when air bag shrinks in described large support ring.
Further: described support ring is the ring that rises.
The invention has the beneficial effects as follows: it not only can stretch by inflation, and can be after exhaust automatically shrinks, and shrinks freely, controlled, very easy to use.
Description of drawings
The present invention is described further below in conjunction with drawings and Examples:
Fig. 1 is the main sectional view of the embodiment of the present invention one;
Fig. 2 is the A-A sectional drawing (amplification) of Fig. 1;
Fig. 3 is the partial structurtes schematic diagram under embodiment's one contraction state;
Fig. 4 is that supporting part is positioned at air bag when outer, a kind of set-up mode that supporting part varies in size;
Fig. 5 is that supporting part is positioned at air bag when outer, the another kind of set-up mode that supporting part varies in size;
Fig. 6 is that supporting part is positioned at air bag when outer, the third set-up mode that supporting part varies in size;
Fig. 7 is the main sectional view of the embodiment of the present invention two;
Fig. 8 is the B-B sectional drawing (amplification) of Fig. 7;
Fig. 9 is the partial structurtes schematic diagram under embodiment's two contraction states;
Figure 10 when utilizing support ring, snap ring clamping air bag, a kind of set-up mode that support ring varies in size;
Figure 11 when utilizing support ring, snap ring clamping air bag, the another kind of set-up mode that support ring varies in size;
Figure 12 when utilizing support ring, snap ring clamping air bag, the third set-up mode that support ring varies in size;
Figure 13 is that the shape of supporting part, air bag is designed to the structural representation of abnormity according to the design needs;
Figure 14 is that the shape of supporting part, air bag is designed to the structural representation of another kind of shape according to the design needs;
In figure: 1 air bag, 11 closed ends, 12 inlet ends, 2 supporting parts, 21 through holes, 22 draw-in grooves, 3 intervals, 4 balloon outers, 5 air flues, 6 snap rings, 7 support rings.
Embodiment
Embodiment one: as shown in Figure 1, 2, this extending means comprises air bag 1; The end of this air bag 1 on a flexible direction of setting is made as closed end 11, and the other end is made as inlet end 12; Be installed with a plurality of supporting parts 2 along should flexible direction arranging on air bag 1, supporting part 2 with the face of this flexible perpendicular direction in air bag 1 is supported; Be provided with for flexible interval 3 between every two adjacent supporting parts 2 on this flexible direction.This interval 3 refers to two gaps between supporting part, and namely the space, do not refer to any parts.
In this embodiment, described supporting part 2 is installed in outside air bag 1.Each supporting part 2 is equipped with a through hole 21 that can be nested with and be fixed on air bag 1.
When being filled with gas by inlet end 12 to air bag 1, along with the increase of the fill gas scale of construction, air bag 1 extends gradually, drives a plurality of supporting parts 2 and separates gradually, realizes the action of stretching.
When by inlet end 12 outside extracting gases, along with the minimizing of air bag 1 interior gas flow, air bag 1 shrinks gradually, drives a plurality of supporting parts 2 and is close in gradually together, realizes the action of contracting.
For the effect that guarantees to shrink, further: the distance at the interval 3 between adjacent two supporting parts is less than the diameter of through hole 21 on two supporting parts, as shown in Figure 3, can guarantee that like this air bag part between adjacent two supporting parts can be retracted between two supporting parts fully, and can keep an air flue 5 after shrinking, thereby can guarantee the contraction reliability of whole extending means.
In addition; for supporting part 2 is fixed on air bag 1 reliably, and the defectives such as gas leakage can not occur in protection air bag 1, can also be set with one deck balloon outer 4 outside this embodiment's air bag; this balloon outer 4 is tied tight is positioned at supporting part 2 outsides, as shown in Figure 1, 2, 3.
In addition, Fig. 4 is that supporting part is positioned at air bag when outer, a kind of set-up mode that supporting part varies in size; In this mode, in two adjacent supporting parts 2 one for large supporting part, another be for snapping in little supporting part in this large supporting part when air bag shrinks.Large supporting part, little supporting part interval arranges, and is convenient to the moulding demand, and reduced volume after shrinking, and is more convenient for depositing carrying etc.
Fig. 5 is that supporting part is positioned at air bag when outer, the another kind of set-up mode that supporting part varies in size; In this mode, in two adjacent supporting parts 2 one for large supporting part, another be for snapping in little supporting part in this large supporting part when air bag shrinks.The supporting part in neutral position is maximum, diminishes gradually to two-end support parts, and the supporting part at two ends is minimum.
Fig. 6 is that supporting part is positioned at air bag when outer, the third set-up mode that supporting part varies in size; In this mode, in two adjacent supporting parts 2 one for large supporting part, another be for snapping in little supporting part in this large supporting part when air bag shrinks.The supporting part of one end is maximum, diminishes gradually to the other end supporting part, and the supporting part of the other end is minimum,
Above-mentioned three kinds of set-up modes only illustrate, and when specifically implementing, can derive according to above-mentioned three kinds of modes draws.
Embodiment two: as shown in Fig. 7,8, this embodiment and embodiment's one difference are: described supporting part 2 is installed in air bag 1; Described flexible direction along air bag on each supporting part 2 is provided with through hole 21.
Span between adjacent two supporting parts 2 is less than the diameter of through hole on two supporting parts at these two ends, interval, as shown in Figure 9, can guarantee to shrink and link up reliably, be also in order to guarantee to shrink the air flue 5 of rear reservation ventilation, prevent air flue 5 sealings, cause shrinking not thorough.
Preferably: described supporting part 2 is support ring 7, and ring for example rises.Described support ring correspondence is installed with snap ring 6, and the wall of described air bag 1 is clamped between support ring and snap ring 6.Such means of fixation, dismounting are all very easy, and use also very reliable.
Figure 10 when utilizing support ring, snap ring clamping air bag, a kind of set-up mode that support ring varies in size; In two adjacent support rings, one is large support ring, and another is little support ring, and the snap ring that corresponding large support ring coordinates is large snap ring, and the snap ring that the ramuscule pushing out ring coordinates is little snap ring, and described little snap ring can snap in when air bag shrinks in described large support ring.Mode shown in this Fig, the mode that also arranges for size interval.Repeat no more.
Figure 11 when utilizing support ring, snap ring clamping air bag, the another kind of set-up mode that support ring varies in size; Mode shown in this Fig is mode small in ends broad in the middle.
Figure 12 when utilizing support ring, snap ring clamping air bag, the third set-up mode that support ring varies in size; Mode shown in this Fig is a little mode of the large the other end of end.
With embodiment one in like manner, above-mentioned three kinds of set-up modes only illustrate, when specifically implementing, can derive according to above-mentioned three kinds of modes draws.
Other mode of executions: as shown in figure 13, the shape of its supporting part 2 is different, and this embodiment's supporting part 2 and the shape of air bag 1 are crescent moon, and all the other technology are with embodiment one.The supporting part of this shape is fit to the demand of field of prosthetic limbs very much, completes for example profiling of hand of human body.This extending means plays the effect of muscle in artificial limb.All the other technology can with embodiment one or two, repeat no more.
In addition, the shape of supporting part and air bag can design arbitrarily as required.
In addition: as shown in figure 14, each supporting part 2 in this embodiment is provided with a draw-in groove 22, and described air bag 1 fixes in the draw-in groove 22 of supporting part; And all supporting parts 2 all are positioned at the same side of thin-walled long balloons 1.
In this embodiment, the span between adjacent two supporting parts 2 is less than half of the degree of depth of draw-in groove 21 on two supporting parts; Also in order to guarantee that the air bag part between adjacent two supporting parts can be retracted between two supporting parts fully, and guarantee folding after in the middle of leave air flue, thereby can guarantee the contraction reliability of whole extending means.
All the other technology repeat no more with embodiment one or embodiment two.
The extending means that the present invention is claimed can be applied in multiple fields, be beneficial in medical apparatus, in power plant, arched door etc., can replace various extending meanss, even can replace piston, spring etc.As long as carry out personalized designs according to the demand in various fields.No longer list for example one by one at this.This kind extending means is simple in structure, production and maintenance cost low, performance is also very reliable.
Claims (10)
1. an extending means, is characterized in that: comprise air bag; The end of this air bag on a flexible direction of setting is made as closed end, and the other end is made as inlet end; Be installed with a plurality of supporting parts along should flexible direction arranging on air bag, described supporting part with the face of this flexible perpendicular direction in air bag is supported; Be provided with for flexible interval between every two adjacent supporting parts on this flexible direction.
2. a kind of extending means according to claim 1, it is characterized in that: described supporting part is installed in outside described air bag; Each supporting part is equipped with the through hole that can be nested with and be fixed on air bag.
3. a kind of extending means according to claim 2, it is characterized in that: described air bag also is set with balloon outer outward, the outside that is positioned at described supporting part that described balloon outer is tied tight.
4. according to claim 2 or 3 described a kind of extending meanss, it is characterized in that: the span between adjacent two supporting parts is less than the diameter of through hole on two supporting parts at these two ends, interval.
5. a kind of extending means according to claim 4 is characterized in that: in two adjacent supporting parts one for large supporting part, another be for snapping in the little supporting part in this large supporting part when air bag shrinks.
6. a kind of extending means according to claim 1, it is characterized in that: described supporting part is installed in described air bag; Described flexible direction along air bag on each supporting part is provided with through hole.
7. a kind of extending means according to claim 6, it is characterized in that: the span between adjacent two supporting parts is less than the diameter of through hole on two supporting parts at these two ends, interval.
8. according to claim 6 or 7 described a kind of extending meanss, it is characterized in that: described supporting part is support ring, and described support ring correspondence is installed with snap ring, and the wall of described air bag is clamped between support ring and snap ring.
9. a kind of extending means according to claim 8, it is characterized in that: in two adjacent support rings, one is large support ring, another is little support ring, the snap ring that corresponding large support ring coordinates is large snap ring, the snap ring that the ramuscule pushing out ring coordinates is little snap ring, and described little snap ring can snap in when air bag shrinks in described large support ring.
10. a kind of extending means according to claim 8, it is characterized in that: described support ring is the ring that rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100904779A CN103174829A (en) | 2013-03-21 | 2013-03-21 | Telescoping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100904779A CN103174829A (en) | 2013-03-21 | 2013-03-21 | Telescoping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103174829A true CN103174829A (en) | 2013-06-26 |
Family
ID=48634890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100904779A Pending CN103174829A (en) | 2013-03-21 | 2013-03-21 | Telescoping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103174829A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716238A (en) * | 2017-10-31 | 2018-02-23 | 陈烁 | Glue gun |
| CN107740362A (en) * | 2017-10-31 | 2018-02-27 | 陈烁 | A kind of Pneumatic extension bar |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2490513A (en) * | 1947-04-15 | 1949-12-06 | Metallschlauchfabrik Ag | Corrugated tube |
| DE3045641A1 (en) * | 1979-12-03 | 1981-09-17 | Doryokuro Kakunenryo Kaihatsu Jigyodan | "BELLOWS WITH REINFORCEMENT RINGS" |
| US4560145A (en) * | 1979-04-09 | 1985-12-24 | Widmer Stanley W | Air bag jack |
| US6361028B1 (en) * | 1999-04-14 | 2002-03-26 | Bridgestone/Firestone, Inc. | Solid girdle hoop for an air spring and method of assembly |
| CN201372179Y (en) * | 2008-12-10 | 2009-12-30 | 钟爱民 | Folding jacking airbag |
| DE102011107580A1 (en) * | 2011-07-16 | 2013-01-17 | Festo Ag & Co. Kg | Bellows for actuator, has support that is arranged in intermediate space to mutually decouple wall layers so that relative movement of bellows wall transversely to thickness direction is enabled |
| CN203176344U (en) * | 2013-03-21 | 2013-09-04 | 万军 | Telescoping mechanism |
-
2013
- 2013-03-21 CN CN2013100904779A patent/CN103174829A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2490513A (en) * | 1947-04-15 | 1949-12-06 | Metallschlauchfabrik Ag | Corrugated tube |
| US4560145A (en) * | 1979-04-09 | 1985-12-24 | Widmer Stanley W | Air bag jack |
| DE3045641A1 (en) * | 1979-12-03 | 1981-09-17 | Doryokuro Kakunenryo Kaihatsu Jigyodan | "BELLOWS WITH REINFORCEMENT RINGS" |
| US6361028B1 (en) * | 1999-04-14 | 2002-03-26 | Bridgestone/Firestone, Inc. | Solid girdle hoop for an air spring and method of assembly |
| CN201372179Y (en) * | 2008-12-10 | 2009-12-30 | 钟爱民 | Folding jacking airbag |
| DE102011107580A1 (en) * | 2011-07-16 | 2013-01-17 | Festo Ag & Co. Kg | Bellows for actuator, has support that is arranged in intermediate space to mutually decouple wall layers so that relative movement of bellows wall transversely to thickness direction is enabled |
| CN203176344U (en) * | 2013-03-21 | 2013-09-04 | 万军 | Telescoping mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716238A (en) * | 2017-10-31 | 2018-02-23 | 陈烁 | Glue gun |
| CN107740362A (en) * | 2017-10-31 | 2018-02-27 | 陈烁 | A kind of Pneumatic extension bar |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130626 |