CN203767693U - Air inflation sleeve structure - Google Patents
Air inflation sleeve structure Download PDFInfo
- Publication number
- CN203767693U CN203767693U CN201420055241.1U CN201420055241U CN203767693U CN 203767693 U CN203767693 U CN 203767693U CN 201420055241 U CN201420055241 U CN 201420055241U CN 203767693 U CN203767693 U CN 203767693U
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- China
- Prior art keywords
- ring
- end cap
- inflatable
- expansion block
- left end
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- Expired - Fee Related
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Abstract
The utility model discloses an air inflation sleeve structure which comprises an inner ring, an outer ring, a left end cover, a right tend cover, a fixing ring, a plurality of inflation block assemblies, sealing rings, a space ring and an air inflation ring with shrinkage and inflation functions. A radial end cover limiting protrusion is arranged on the inner ring, the spacer ring is arranged on the inner ring in a sleeved mode, the right end cover is fixedly connected with the inner ring through the fixing ring, the inner side of the right end cover butts against one side of the spacer ring, the other side of the spacer ring butts against the inner side of the left end cover, the outer side of the left end cover butts against the end cover limiting protrusion, and an air cavity is formed among the left end cover, the right end cover, the spacer ring and the air inflation ring. When the air inflation ring expands along with the air inflation of the air cavity, inflation blocks can be pushed to be exposed out of inflation block holes, a left sealing ring limiting groove and a right sealing ring limiting groove are formed in the periphery of the inner ring, the sealing rings are arranged in the left sealing ring limiting groove and the right sealing ring limiting groove, and the sealing rings correspondingly abut against the left end cover and the right end cover. The width of the air inflation sleeve structure can be manufactured to range from 20 mm to 100 mm, and the using range is wider.
Description
Technical field
The utility model relates to the inflatable nested structure in tandem that a kind of and mechanical equipment coordination are used, and is especially applicable to being configured in to the cutting of plastics, paper, paper, film and ultrathin metallic membrane etc., rolling, unreels on the mechanical equipment with rewinding.
Background technology
At present, the various air sac inflatable nested structures of the domestic and imported using on market are to adopt the rear various rolling core of the expansion swelling pipe of long balloons inflation, because the size of air bag is larger, and long, therefore the width of inflatable nested structure must be machined to the above tension force requirement that could meet after air bag expands of 100mm, and width also cannot solve with interior inflatable nested structure at present at 20mm ~ 100mm, if inflatable nested structure width is done narrow, just can batch narrower material, such as paper, plastics, film and ultrathin metallic membrane etc.
Summary of the invention
The purpose of this utility model is to provide a kind of and the width of inflatable nested structure can be made between 20mm ~ 100mm, the inflatable nested structure that range of use is wider.
The technical scheme that realizes the first embodiment of above-mentioned purpose is: a kind of inflatable nested structure, comprise inner ring, outer ring, left end cap, right end cap, mounting ring, a plurality of expansion block assemblies, seal ring, spacer ring and the inflatable circle with convergent-divergent function, inner ring is provided with end cap spacing preiection radially, spacer ring is sleeved on inner ring, right end cap is fixedly connected with inner ring by mounting ring, and a side of the inner side of right end cap and spacer ring offsets, the opposite side of spacer ring and the inner side of left end cap offset, the outside of left end cap and end cap spacing preiection offset, described left end cap, right end cap, between the gentle packing of spacer ring, form air cavity, inner ring is provided with the induction opening being communicated with air cavity, spacer ring is provided with the spacer ring induction opening being connected with the induction opening of inner ring, the inwall of described outer ring is provided with inflatable circle hold down groove, the two ends of inflatable circle are respectively equipped with spacing preiection radially, spacing preiection lays respectively in inflatable circle hold down groove, the He Liangge side, inwall both ends of inflatable circle offsets with left end cap and right end cap respectively, two axial end portions and the outer ring of inflatable ring outer wall offset, outer ring is provided with a plurality of expansion block holes radially, 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 is fixedly connected with expansion block by fastener and keeps off mutually with outer ring, after the ventilation of inflatable circle along with air cavity, expand, can promote expansion block and expose expansion block hole, the periphery of inner ring is provided with a left side, right seal ring position-limited trough, left, in right seal ring position-limited trough, be all equipped with seal ring, seal ring offsets with corresponding left end cap and right end cap.
Described mounting ring is threaded with inner ring.
The outside of described left end cap is provided with the first outer ring spacing preiection, and 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 matching with the first outer ring spacing preiection and the second outer ring spacing preiection.
The arranged on left and right sides of described spacer ring is equipped with the first seal ring, and the inner side of left end cap and right end cap all offsets with corresponding the first seal ring.
Described expansion block assembly is provided with 3 ~ 20 in uniform way, and the axial width of inflatable cover is between 20mm ~ 100mm.
Adopt after the structure of technique scheme, right end cap is fixedly connected with inner ring by mounting ring, and a side of the inner side of right end cap and spacer ring offsets, the opposite side of spacer ring and the inner side of left end cap offset, the outside of left end cap and end cap spacing preiection offset, described left end cap, right end cap, between the gentle packing of spacer ring, form air cavity, inner ring is provided with the induction opening being 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 radially spacing preiection, spacing preiection lays respectively in inflatable circle hold down groove, the He Liangge side, inwall both ends of inflatable circle is tight against with left end cap and right end cap respectively, two circumferential end and the outer ring of inflatable ring outer wall are tight against, after passing into pressure gas, pressurized air can enter in air cavity along with the induction opening on inner ring and the spacer ring induction opening on spacer ring, because the two ends of inflatable circle are passed through left, right end cap is tight against on outer ring, therefore the two ends of inflatable circle can not be shifted, thereby the pressurized air in air cavity can make to be positioned at the part inflatable circle meeting radial expansion at air cavity place, will prop up expansion block, 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, in right seal ring position-limited trough, be all equipped with seal ring, seal ring offsets with corresponding left end cap and right end cap, the sealing effectiveness that has improved air cavity further improves tension force, the utility model changes into inflatable circle by air bag, therefore the width of inflatable nested structure can be made between 20mm ~ 100mm, and tension force meets swelling effect.
The technical scheme that realizes the second embodiment of above-mentioned purpose is: a kind of inflatable nested structure, comprise inner ring, outer ring, left end cap, right end cap, mounting ring, a plurality of expansion block assemblies, seal ring, spacer ring and the inflatable circle with convergent-divergent function, inner ring is provided with end cap spacing preiection radially, spacer ring is sleeved on inner ring, right end cap is fixedly connected with inner ring by mounting ring, and a side of the inner side of right end cap and spacer ring offsets, the opposite side of spacer ring and the inner side of left end cap offset, the outside of left end cap and end cap spacing preiection offset, described left end cap, right end cap, between the gentle packing of spacer ring, form air cavity, left end cap or right end cap are provided with the induction opening being 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 spacing preiection radially, 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 axial end portions and the outer ring of inflatable ring outer wall offset, outer ring is provided with a plurality of expansion block holes radially, 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 is fixedly connected with expansion block by fastener and keeps off mutually with outer ring, after the ventilation of inflatable circle along with air cavity, expand, can promote expansion block and expose expansion block hole, the periphery of inner ring is provided with a left side, right seal ring position-limited trough, left, in right seal ring position-limited trough, be all equipped with seal ring, seal ring offsets with corresponding left end cap and right end cap.
Described mounting ring is threaded with inner ring.
The outside of described left end cap is provided with the first outer ring spacing preiection, and 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 matching with the first outer ring spacing preiection and the second outer ring spacing preiection.
The arranged on left and right sides of described spacer ring is equipped with the first seal ring, and the inner side of left end cap and right end cap all offsets with corresponding the first seal ring.
Described expansion block assembly is provided with 3 ~ 20 in uniform way, and the axial width of inflatable cover is between 20mm ~ 100mm.
Adopt after the structure of technique scheme, the second embodiment is that with the difference of the first embodiment left end cap or right end cap are provided with the induction opening being communicated with air cavity, after passing into pressure gas, pressurized air can enter along with the induction opening on left end cap or right end cap in air cavity, because the two ends of inflatable circle are passed through left, right end cap is tight against on outer ring, therefore the two ends of inflatable circle can not be shifted, thereby the pressurized air in air cavity can make to be positioned at the part inflatable circle meeting radial expansion at air cavity place, will prop up expansion block, 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, in right seal ring position-limited trough, be all equipped with seal ring, seal ring offsets with corresponding left end cap and right end cap, the sealing effectiveness that has improved air cavity further improves tension force, the utility model changes into inflatable circle by air bag, therefore the width of inflatable nested structure can be made between 20mm ~ 100mm, and tension force meets swelling effect.
Accompanying drawing explanation
Fig. 1 is the complete section section-drawing of the utility model the first embodiment;
Fig. 2 is the A-A cross-sectional schematic in Fig. 1;
Fig. 3 passes in Fig. 2 after pressurized air, and expansion block is stretched 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 complete section section-drawing of the utility model the second embodiment.
The specific embodiment
The embodiment providing below in conjunction with accompanying drawing is described in further detail the utility model.
As shown in Fig. 1 ~ 6, a kind of inflatable nested structure, comprise inner ring 1, outer ring 2, left end cap 3, right end cap 4, mounting ring 5, a plurality of expansion block assemblies 6, seal ring 7, spacer ring 11 and the inflatable circle 8 with convergent-divergent function, inflatable circle 8 is made for rubber, inner ring 1 is provided with end cap spacing preiection 1-2 radially, spacer ring 11 is sleeved on inner ring 1, right end cap 4 is fixedly connected with inner ring 1 by mounting ring 5, and a side of the inner side of right end cap 4 and spacer ring 11 offsets, the inner side of the opposite side of spacer ring 11 and left end cap 3 offsets, the outside of left end cap 3 and end cap spacing preiection 1-2 offset, described left end cap 3, right end cap 4, between the gentle packing 8 of spacer ring 11, form air cavity 9, inner ring 1 is provided with the induction opening 10 being communicated with air cavity 9, spacer ring 11 is provided with the spacer ring induction opening 11-1 being connected with the induction opening 10 of inner ring 1, 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 spacing preiection 8-1 radially, spacing preiection 8-1 lays respectively in inflatable circle hold down groove 2-2, the He Liangge side, inwall both ends of inflatable circle 8 offsets with left end cap 3 and right end cap 4 respectively, two axial end portions and the outer ring 2 of inflatable circle 8 outer walls offset, so just limited the displacement of inflatable circle 8, after inflatable circle 8 expands and shrinks, inflatable circle 8 all can shift position, outer ring 2 is provided with a plurality of expansion block hole 2-1 radially, 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 is fixedly connected with expansion block 6-1 by fastener 6-3 and keeps off mutually with outer ring 2, after the ventilation of inflatable circle 8 along with air cavity 9, expand, can promote expansion block 6-1 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, in right seal ring position-limited trough 1-1, be all equipped with seal ring 7, seal ring 7 offsets with corresponding left end cap 3 and right end cap 4.
Shown in Figure 1, in order conveniently to 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 matching with the first outer ring spacing preiection 3-1 and the second outer ring spacing preiection 4-1, the both sides of outer ring 2 are just spacing by left end cap 3 and right end cap 4 like this, can play.
Shown in Figure 1, the arranged on left and right sides of described spacer ring 11 is equipped with the first seal ring 11-2, the inner side of left end cap 3 and right end cap 4 all offsets with corresponding the first seal ring 11-2, after pressurized air in air cavity 9 passes into like this, just can, from spacer ring 11 gas leakage, better not play the sealing function of air cavity 9.
Shown in Fig. 2,3, described expansion block assembly 6 is provided with 3 ~ 20 in uniform way, the axial width of inflatable cover is between 20mm ~ 100mm, therefore the tension force that expansion block 6-1 acts on rolling core pipe will increase, improve swelling effect, certainly the quantity of expansion block assembly 6 is also not limited to this, when integral diameter of the present utility model do very large time, the quantity of expansion block assembly 6 also can correspondingly increase.
Shown in Fig. 1 ~ 6, when the utility model is used, the utility model is a plurality of in tandem on main shaft, rolling core pipe box is contained on the utility model, inner ring 1 is provided with end cap spacing preiection 1-2 radially, spacer ring 11 is sleeved on inner ring 1, right end cap 4 is fixedly connected with inner ring 1 by mounting ring 5, and a side of the inner side of right end cap 3 and spacer ring 11 offsets, the inner side of the opposite side of spacer ring 11 and left end cap 3 offsets, the outside of left end cap 3 and end cap spacing preiection 1-2 offset, described left end cap 3, right end cap 4, between the gentle packing 8 of spacer ring 11, form air cavity 9, mounting ring 5 is threaded with the periphery of inner ring 1, easy disassembly, make a side of left end cap 3 and right end cap 4 spacing by a mounting ring 5, opposite side is spacing by spacing preiection 1-2, 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 by the first outer ring spacing preiection 3-1 and the second outer ring spacing preiection 4-1 respectively, induction opening 10 is arranged on inner ring 1, as shown in Figure 7, certainly induction opening 10 also can be arranged on left end cap 3 or right end cap 4, when pressurized air enters after 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 as long as close extraction pressurized air, inflatable circle 8 will shrink, inflatable circle 8 resets by the effect of spring leaf 6-2, in indentation outer ring 2.Of the present utility model simple in structure, and air bag is changed into inflatable circle 8, therefore the width of inflatable nested structure can be made between 20mm ~ 100mm, and tension force meets swelling effect.And according to repeatedly using, its tension force and swelling effect significantly improve.
The utility model the second embodiment and the first embodiment difference are structurally, induction opening 10 is arranged on left end cap 3 or right end cap 4, just be arranged on as shown in Figure 7 on left end cap 3, can save and on spacer ring 11, process spacer ring induction opening 11-1 simultaneously, other structures are identical with the first embodiment, play equally the benefit of the first embodiment.
Claims (10)
1. an inflatable nested structure, it is characterized in that: comprise inner ring (1), outer ring (2), left end cap (3), right end cap (4), mounting ring (5), a plurality of expansion block assemblies (6), seal ring (7), spacer ring (11) and there is the inflatable circle (8) of convergent-divergent function, inner ring (1) is provided with end cap spacing preiection (1-2) radially, spacer ring (11) is sleeved on inner ring (1), right end cap (4) is fixedly connected with inner ring (1) by mounting ring (5), and a side of the inner side of right end cap (4) and spacer ring (11) offsets, the inner side of the opposite side of spacer ring (11) and left end cap (3) offsets, the outside of left end cap (3) and end cap spacing preiection (1-2) offset, described left end cap (3), right end cap (4), between the gentle packing of spacer ring (11) (8), form air cavity (9), inner ring (1) is provided with the induction opening (10) being communicated with air cavity (9), spacer ring (11) is provided with the spacer ring induction opening (11-1) being connected with the induction opening (10) of inner ring (1), 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 spacing preiection (8-1) radially, spacing preiection (8-1) lays respectively in inflatable circle hold down groove (2-2), the He Liangge side, inwall both ends of inflatable circle (8) offsets 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 a plurality of expansion block holes (2-1) radially, 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) is fixedly connected with expansion block (6-1) by fastener (6-3) and keeps off mutually with outer ring (2), after the ventilation of inflatable circle (8) along with air cavity (9), expand, can promote expansion block (6-1) 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, in right seal ring position-limited trough (1-1), be all equipped with seal ring (7), seal ring (7) offsets with corresponding left end cap (3) and right end cap (4).
2. inflatable nested structure according to claim 1, is characterized in that: described mounting ring (5) is threaded with inner ring (1).
3. inflatable nested structure 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) matching with the first outer ring spacing preiection (3-1) and the second outer ring spacing preiection (4-1).
4. inflatable nested structure according to claim 1, it is characterized in that: the arranged on left and right sides of described spacer ring (11) is equipped with the first seal ring (11-2), the inner side of left end cap (3) and right end cap (4) all offsets with corresponding the first seal ring (11-2).
5. inflatable nested structure 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 inflatable cover is between 20mm ~ 100mm.
6. an inflatable nested structure, it is characterized in that: comprise inner ring (1), outer ring (2), left end cap (3), right end cap (4), mounting ring (5), a plurality of expansion block assemblies (6), seal ring (7), spacer ring (11) and there is the inflatable circle (8) of convergent-divergent function, inner ring (1) is provided with end cap spacing preiection (1-2) radially, spacer ring (11) is sleeved on inner ring (1), right end cap (4) is fixedly connected with inner ring (1) by mounting ring (5), and a side of the inner side of right end cap (4) and spacer ring (11) offsets, the inner side of the opposite side of spacer ring (11) and left end cap (3) offsets, the outside of left end cap (3) and end cap spacing preiection (1-2) offset, described left end cap (3), right end cap (4), between the gentle packing of spacer ring (11) (8), form air cavity (9), left end cap (3) or right end cap (4) are provided with the induction opening (10) being 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 spacing preiection (8-1) radially, spacing preiection (8-1) lays respectively in inflatable circle hold down groove (2-2), the He Liangge side, inwall both ends of inflatable circle (8) offsets 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 a plurality of expansion block holes (2-1) radially, 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) is fixedly connected with expansion block (6-1) by fastener (6-3) and keeps off mutually with outer ring (2), after the ventilation of inflatable circle (8) along with air cavity (9), expand, can promote expansion block (6-1) 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, in right seal ring position-limited trough (1-1), be all equipped with seal ring (7), seal ring (7) offsets with corresponding left end cap (3) and right end cap (4).
7. inflatable nested structure according to claim 6, is characterized in that: described mounting ring (5) is threaded with inner ring (1).
8. inflatable nested structure according to claim 6, 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) matching with the first outer ring spacing preiection (3-1) and the second outer ring spacing preiection (4-1).
9. inflatable nested structure according to claim 6, it is characterized in that: the arranged on left and right sides of described spacer ring (11) is equipped with the first seal ring (11-2), the inner side of left end cap (3) and right end cap (4) all offsets with corresponding the first seal ring (11-2).
10. inflatable nested structure according to claim 6, is characterized in that: described expansion block assembly (6) is provided with 3 ~ 20 in uniform way, and the axial width of inflatable cover is between 20mm ~ 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055241.1U CN203767693U (en) | 2014-01-28 | 2014-01-28 | Air inflation sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055241.1U CN203767693U (en) | 2014-01-28 | 2014-01-28 | Air inflation sleeve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203767693U true CN203767693U (en) | 2014-08-13 |
Family
ID=51284909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420055241.1U Expired - Fee Related CN203767693U (en) | 2014-01-28 | 2014-01-28 | Air inflation sleeve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203767693U (en) |
-
2014
- 2014-01-28 CN CN201420055241.1U patent/CN203767693U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20180128 |