CN103738757B - Air expansion sleeve - Google Patents
Air expansion sleeve Download PDFInfo
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- CN103738757B CN103738757B CN201410041533.4A CN201410041533A CN103738757B CN 103738757 B CN103738757 B CN 103738757B CN 201410041533 A CN201410041533 A CN 201410041533A CN 103738757 B CN103738757 B CN 103738757B
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- end cap
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- outer ring
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Abstract
The invention discloses a kind of air expansion sleeve, comprise inner ring, outer ring, left end cap, right end cap, mounting ring, multiple expansion block assembly, seal ring and the inflatable circle with convergent-divergent function, left end cap and right end cap are respectively by the periphery load of mounting ring and inner ring, and form air cavity, left end cap or right end cap or inner ring are provided with the induction opening be communicated with air cavity, the inwall of described outer ring is provided with inflatable circle hold down groove, the two ends of inflatable circle are respectively equipped with radial spacing preiection, spacing preiection lays respectively in inflatable circle hold down groove, the inwall two ends of inflatable circle and left end cap and right end cap are tight against, two circumferential end of inflatable ring outer wall and outer ring are tight against, outer ring is provided with multiple expansion block hole, expand after inflatable circle is along with the ventilation of air cavity, expansion block is stretched out outside expansion block hole, the periphery of inner ring is provided with seal ring position-limited trough, seal ring is placed in seal ring position-limited trough, and offset with corresponding left end cap or right end cap.The width of air expansion sleeve can be made between 20mm ~ 100mm by the present invention, and range of use is wider.
Description
Technical field
The present invention relates to a kind of air expansion sleeve in tandem used with mechanical equipment coordination, be especially applicable to being configured in the cutting of plastics, paper, paper, film and ultrathin metallic membrane etc., rolling, unreel and rewinding mechanical equipment on.
Background technology
At present, the various air sac air expansion sleeve of the domestic and imported that market is using adopt the rear expansion swelling various rolling core pipe of long balloons inflation, because the size of air bag is larger, and it is long, therefore the width of air expansion sleeve must be machined to more than 100mm could meet air bag expand after tension force requirement, and the air expansion sleeve of width within 20mm ~ 100mm also cannot solve at present, if air expansion sleeve width is done narrow, just can batch narrower material, such as paper, plastics, film and ultrathin metallic membrane etc.
Summary of the invention
The object of the present invention is to provide and a kind ofly can the width of air expansion sleeve be made between 20mm ~ 100mm, the air expansion sleeve that range of use is wider.
The technical scheme realizing above-mentioned purpose is: a kind of air expansion sleeve, it is characterized in that: comprise inner ring, outer ring, left end cap, right end cap, mounting ring, multiple expansion block assembly, seal ring and the inflatable circle with convergent-divergent function, left end cap and right end cap are respectively by the periphery load of corresponding mounting ring and inner ring, left end cap, right end cap, air cavity is formed between the gentle packing of inner ring, inner ring or left end cap or right end cap are provided with the induction opening be communicated with air cavity, the inwall of described outer ring is provided with inflatable circle hold down groove, the two ends of inflatable circle are respectively equipped with radial spacing preiection, spacing preiection lays respectively in inflatable circle hold down groove, the inwall both ends of inflatable circle offset with left end cap and right end cap respectively, inflatable circle, two axial end portions of outer wall and outer ring offset, outer ring is provided with the expansion block hole of multiple radial direction, expansion block assembly comprises expansion block, spring leaf and fastener, expansion block is connected with the slippage of expansion block hole, spring leaf is between outer ring and inflatable circle, spring leaf to be fixedly connected with expansion block by fastener and to keep off mutually with outer ring, expand after inflatable circle is along with the ventilation of air cavity, expansion block can be promoted and expose expansion block hole, the periphery of inner ring is provided with a left side, right seal ring position-limited trough, left, all seal ring is equipped with in right seal ring position-limited trough, seal ring and corresponding left end cap and right end cap offset.
Described mounting ring is threaded with inner ring.
The outside of described left end cap is provided with the first outer ring spacing preiection, the arranged on left and right sides of isolation projection is equipped with the first seal ring, the outside of right end cap is provided with the second outer ring spacing preiection, and the both sides of outer ring are equipped with the spacing seam matched with the first outer ring spacing preiection and the second outer ring spacing preiection.
The periphery of described inner ring is provided with isolation projection, and the inner side of left end cap and right end cap all offsets with isolation projection, and the outside of left end cap and right end cap is spacing by corresponding mounting ring.
Described expansion block assembly is provided with 3 ~ 20 in uniform way, and the axial width of air expansion sleeve is between 20mm ~ 100mm.
After adopting the structure of technique scheme, left end cap and right end cap are respectively by the periphery load of corresponding mounting ring and inner ring, left end cap, right end cap, air cavity is formed between the gentle packing of inner ring, inner ring or left end cap or right end cap are provided with the induction opening be communicated with air cavity, the inwall of described outer ring is provided with inflatable circle hold down groove, the two ends of inflatable circle are respectively equipped with radial spacing preiection, spacing preiection lays respectively in inflatable circle hold down groove, the inwall both ends of inflatable circle offset with left end cap and right end cap respectively, two circumferential end of inflatable ring outer wall and outer ring offset, after passing into pressure gas, because the two ends of inflatable circle are by left, right end cap is tight against on outer ring, therefore the two ends of inflatable circle can not be shifted, and be positioned at the part inflatable circle meeting radial expansion at air cavity place, expansion block will be propped up, expansion block can be stretched out outside expansion block hole, expansion block will tensioner rolling core pipe, reach the function of swelling rolling core pipe, the periphery of inner ring is provided with a left side, right seal ring position-limited trough, left, all seal ring is equipped with in right seal ring position-limited trough, seal ring and corresponding left end cap and right end cap offset, the sealing effectiveness that improve air cavity improves tension force further, air bag is changed into inflatable circle by the present invention, therefore, it is possible to the width of air expansion sleeve is made between 20mm ~ 100mm, and tension force meets swelling effect.
Accompanying drawing explanation
Fig. 1 is complete section section-drawing of the present invention;
Fig. 2 is the A-A cross-sectional schematic in Fig. 1;
Fig. 3 is after passing into pressurized air in Fig. 2, and expansion block stretches out schematic diagram outside expansion block hole;
Fig. 4 is the cutaway view of inflatable circle in Fig. 2;
Fig. 5 is the left end cap cutaway view of Fig. 1;
Fig. 6 is outer ring cutaway view in Fig. 1;
Fig. 7 is the cutaway view that induction opening is located on left end cap.
Detailed description of the invention
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
As shown in Fig. 1 ~ 7, a kind of air expansion sleeve, it is characterized in that: comprise inner ring 1, outer ring 2, left end cap 3, right end cap 4, mounting ring 5, multiple expansion block assembly 6, seal ring 7 and the inflatable circle 8 with convergent-divergent function, inflatable circle 8 is made for rubber, left end cap 3 and right end cap 4 are respectively by the periphery load of corresponding mounting ring 5 with inner ring 1, left end cap 3, right end cap 4, air cavity 9 is formed between the gentle packing 8 of inner ring 1, inner ring 1 is provided with the induction opening 10 be communicated with air cavity 9, certain induction opening 10 also can be arranged on left end cap 3 or right end cap 4, induction opening 10 is exactly be arranged on left end cap 3 as shown in Figure 7, play the same effect equally, the inwall of described outer ring 2 is provided with inflatable circle hold down groove 2-2, the two ends of inflatable circle 8 are respectively equipped with radial spacing preiection 8-1, spacing preiection 8-1 lays respectively in inflatable circle hold down groove 2-2, the inwall both ends of inflatable circle 8 offset with left end cap 3 and right end cap 4 respectively, two circumferential end of inflatable circle 8 outer wall and outer ring 2 offset, so just limit the displacement of inflatable circle 8, after inflatable circle 8 expands and shrinks, inflatable circle 8 all can not shift position, outer ring 2 is provided with the expansion block hole 2-1 of multiple radial direction, expansion block assembly 6 comprises expansion block 6-1, spring leaf 6-2 and fastener 6-3, this fastener 6-3 is screw, expansion block 6-1 is connected with the 2-1 slippage of expansion block hole, spring leaf 6-2 is between outer ring 2 and inflatable circle 8, spring leaf 6-2 to be fixedly connected with expansion block 6-1 by fastener 6-3 and to keep off with outer ring 2 phase, when expanding after the ventilation of inflatable circle 8 along with air cavity 9, expansion block 6-1 can be promoted and expose expansion block hole 2-1, the periphery of inner ring 1 is provided with a left side, right seal ring position-limited trough 1-1, left, seal ring 7 is all equipped with in right seal ring position-limited trough 1-1, seal ring 7 offsets with corresponding left end cap 3 and right end cap 4.
Shown in Figure 1, in order to can conveniently install and remove, described mounting ring 5 is threaded with inner ring 1.
Shown in Fig. 1,5,6, the outside of described left end cap 3 is provided with the first outer ring spacing preiection 3-1, right end cap 4 is provided with the second outer ring spacing preiection 4-1, the both sides of outer ring 2 are equipped with the spacing seam 2-3 matched with the first outer ring spacing preiection 3-1 and the second outer ring spacing preiection 4-1, the both sides of such outer ring 2 just by left end cap 3 and right end cap 4 spacing, can not play.
Shown in Figure 1, the periphery of described inner ring 1 is provided with the protruding 1-2 of isolation, the arranged on left and right sides of isolating protruding 1-2 is equipped with the first seal ring 1-2-1, the inner side of left end cap 3 and right end cap 4 all offsets with the protruding 1-2 of isolation, the outside of left end cap 3 and right end cap 4 is spacing by corresponding mounting ring 5, left end cap 3 and right end cap 4 just separate by the protruding 2-4 of such isolation, form air cavity 9, after pressurized air passes into, the area of contact of pressurized air and inflatable circle 8 will become large, the tensile force that inflatable circle 8 acts on expansion block assembly 6 will become large, improves swelling effect.
Shown in Fig. 2,3, described expansion block assembly 6 is provided with 3 ~ 20 in uniform way, difference according to air expansion sleeve diameter can be arranged according to actual conditions, improve swelling effect, the axial width of air expansion sleeve is between 20mm ~ 100mm, therefore when the width of air expansion sleeve arranges narrower, just can the narrower material of rolling.
Shown in Fig. 1 ~ 7, when the present invention uses, by multiple for the present invention in tandem on main shaft, by rolling core pipe box dress on the invention, left end cap 3 and right end cap 4 are respectively by the periphery load of mounting ring 5 with inner ring 1, mounting ring 5 is threaded with the periphery of inner ring 1, easy disassembly, make the side of left end cap 3 and right end cap 4 spacing by mounting ring 5, opposite side is spacing by the protruding 2-4 of isolation, and the outer end of left end cap 3 is provided with the first outer ring spacing preiection 3-1, right end cap 4 is provided with the second outer ring spacing preiection 4-1, the both sides of outer ring 2 are spacing respectively by the first outer ring spacing preiection 3-1 and the second outer ring spacing preiection 4-1, induction opening 10 is arranged on inner ring 1, certain induction opening 10 also can be arranged on left end cap 3 or right end cap 4, after pressurized air enters air cavity 9 by induction opening 10, pressurized air will make inflatable circle 8 expand, inflatable circle 8 will drive expansion block 6-1 to stretch out outside outer ring 2, and make expansion block 6-1 be tight against rolling core pipe, reach the effect of swelling rolling core pipe, otherwise extract pressurized air out as long as close, inflatable circle 8 will shrink, and inflatable circle 8 is resetted, in indentation outer ring 2 by the effect of spring leaf 6-2.Structure of the present invention is simple, and air bag is changed into inflatable circle 8, therefore, it is possible to made between 20mm ~ 100mm by the width of air expansion sleeve, and tension force meets swelling effect.And according to repeatedly using, its tension force and swelling Be very effective improve.
Claims (5)
1. an air expansion sleeve, it is characterized in that: comprise inner ring (1), outer ring (2), left end cap (3), right end cap (4), mounting ring (5), multiple expansion block assembly (6), seal ring (7) and there is the inflatable circle (8) of convergent-divergent function, left end cap (3) and right end cap (4) are respectively by the periphery load of corresponding mounting ring (5) with inner ring (1), left end cap (3), right end cap (4), air cavity (9) is formed between inner ring (1) gentle packing (8), inner ring (1) or left end cap (3) or right end cap (4) are provided with the induction opening (10) be communicated with air cavity (9), the inwall of described outer ring (2) is provided with inflatable circle hold down groove (2-2), the two ends of inflatable circle (8) are respectively equipped with radial spacing preiection (8-1), spacing preiection (8-1) lays respectively in inflatable circle hold down groove (2-2), the inwall both ends of inflatable circle (8) offset with left end cap (3) and right end cap (4) respectively, two axial end portions and outer ring (2) of inflatable circle (8) outer wall offset, outer ring (2) is provided with the expansion block hole (2-1) of multiple radial direction, expansion block assembly (6) comprises expansion block (6-1), spring leaf (6-2) and fastener (6-3), expansion block (6-1) is connected with expansion block hole (2-1) slippage, spring leaf (6-2) is positioned between outer ring (2) and inflatable circle (8), spring leaf (6-2) to be fixedly connected with expansion block (6-1) by fastener (6-3) and to keep off mutually with outer ring (2), when expanding after the ventilation of inflatable circle (8) along with air cavity (9), expansion block (6-1) can be promoted and expose expansion block hole (2-1), the periphery of inner ring (1) is provided with a left side, right seal ring position-limited trough (1-1), left, seal ring (7) is all equipped with in right seal ring position-limited trough (1-1), seal ring (7) offsets with corresponding left end cap (3) and right end cap (4).
2. air expansion sleeve according to claim 1, is characterized in that: described mounting ring (5) is threaded with inner ring (1).
3. air expansion sleeve according to claim 1, it is characterized in that: the outside of described left end cap (3) is provided with the first outer ring spacing preiection (3-1), the outside of right end cap (4) is provided with the second outer ring spacing preiection (4-1), and the both sides of outer ring (2) are equipped with the spacing seam (2-3) matched with the first outer ring spacing preiection (3-1) and the second outer ring spacing preiection (4-1).
4. air expansion sleeve according to claim 1, it is characterized in that: the periphery of described inner ring (1) is provided with isolation protruding (1-2), the arranged on left and right sides of isolation protruding (1-2) is equipped with the first seal ring (1-2-1), the inner side of left end cap (3) and right end cap (4) all offsets with isolation protruding (1-2), and the outside of left end cap (3) and right end cap (4) is spacing by corresponding mounting ring (5).
5. air expansion sleeve according to claim 1, is characterized in that: described expansion block assembly (6) is provided with 3 ~ 20 in uniform way, and the axial width of air expansion sleeve is between 20mm ~ 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041533.4A CN103738757B (en) | 2014-01-28 | 2014-01-28 | Air expansion sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041533.4A CN103738757B (en) | 2014-01-28 | 2014-01-28 | Air expansion sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103738757A CN103738757A (en) | 2014-04-23 |
| CN103738757B true CN103738757B (en) | 2015-12-16 |
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ID=50495852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410041533.4A Active CN103738757B (en) | 2014-01-28 | 2014-01-28 | Air expansion sleeve |
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| Country | Link |
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| CN (1) | CN103738757B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293202B (en) * | 2015-11-07 | 2017-05-10 | 江阴市申港电讯器材厂 | Multi-section air bag type inflatable sleeve tandem jointing inflation shaft |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29709824U1 (en) * | 1997-06-05 | 1997-08-07 | Ludwig Boschert Maschinen- und Apparatebau GmbH & Co KG, 79541 Lörrach | Device for coupling an expansion shaft with a drive shaft |
| CN102745556B (en) * | 2012-07-31 | 2014-09-24 | 柳燕明 | Mechanical expansion shaft of air control C-shaped rings |
| CN102756936B (en) * | 2012-07-31 | 2014-09-10 | 柳燕明 | C-ring mechanical expanding shaft |
| CN203246916U (en) * | 2013-04-17 | 2013-10-23 | 常州来义塑料机械有限公司 | Passive air expansion shaft stool assembly |
| CN203767692U (en) * | 2014-01-28 | 2014-08-13 | 江阴市申港电讯器材厂 | Gas expanding sleeve |
-
2014
- 2014-01-28 CN CN201410041533.4A patent/CN103738757B/en active Active
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| Publication number | Publication date |
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| CN103738757A (en) | 2014-04-23 |
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Effective date of registration: 20200609 Address after: 214443 NO.67, qianjiazhuang, Yumen village, Shengang street, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangyin Xiuxiang scroll Co., Ltd Address before: Shen Zhen Jiangyin city 214443 Jiangsu city of Wuxi Province Patentee before: JIANGYIN SHENGANG TELECOMMUNICATION EQUIPMENT FACTORY |
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