CN209291719U - A kind of cantilevered air-expanding shaft - Google Patents
A kind of cantilevered air-expanding shaft Download PDFInfo
- Publication number
- CN209291719U CN209291719U CN201821853179.5U CN201821853179U CN209291719U CN 209291719 U CN209291719 U CN 209291719U CN 201821853179 U CN201821853179 U CN 201821853179U CN 209291719 U CN209291719 U CN 209291719U
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- China
- Prior art keywords
- air
- hollow axis
- pushing part
- axis pole
- air bag
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- Expired - Fee Related
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- 239000000463 material Substances 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
A kind of cantilevered air-expanding shaft provided by the utility model, including a hollow axis pole, the air bag being arranged in the hollow axis pole and the predetermined quantity expansion block between the air bag and the hollow axis pole, the hollow axis pole circumferentially offers the ejection slot with the predetermined quantity of those expansion blocks cooperation；And at least one flexible cylindrical liner set, the liner is set between the expansion block and the air bag, the neck bush outer wall is circumferentially with the first pushing part of at least one circle predetermined quantity along it, is separately installed with the expansion block on those first pushing parts；Those expansion blocks are the ladder block of rubber material comprising one second pushing part and a convex key, second pushing part are bonded on first pushing part.The utility model is effectively separated the expansion block and the air bag by the neck bush, protects air bag to use not damaged, and for the neck bush using flexible material instead of complicated spring structure, structure is simpler, and maintenance is more convenient.
Description
Technical field
The utility model relates to a kind of air-expanding shaft more particularly to a kind of winding for printing machine coiled material or the cantilevers unreeled
Formula air-expanding shaft.
Background technique
Air-expanding shaft is the special winding of one kind, unreeling shaft, that is, can be put by high-pressure aerated rear surface with the axis of protrusion
The axis that gas rear surface part retracts rapidly.
Expanding block on existing air-expanding shaft is retracted again after realizing its expansion using recoil of spring characteristic, but because of spring
Structure is more special, needs to process special space in inflatable shaft body to install spring, and its structure is complicated, leads to early period
Manufacturing cost is high, inconvenient in later maintenance.And the expansion block of existing air-expanding shaft is all independent design, is directly connect with air bag
Touching, after being repeated as many times inflation deflating action, the face that air bag is not contacted with expansion block can be scratched.
Utility model content
In view of the foregoing, the utility model provides a kind of cantilevered air-expanding shaft, and structure is simple, easy to maintain, and
It can be effectively protected that air bag is against damages, greatly improve the service life of air-expanding shaft.
For this purpose, a kind of cantilevered air-expanding shaft provided by the utility model, for printing machine coiled material winding and put
Volume including a hollow axis pole, the air bag being arranged in the hollow axis pole and is located at the air bag and the hollow axis pole
Between predetermined quantity expansion block, the hollow axis pole circumferentially offer with those expansion blocks cooperation predetermined quantity ejection slot,
Described hollow axis pole one end is equipped with a ladder hubcap, and the multi-diameter shaft end cap is equipped with one far from one end of the hollow axis pole and fills
Gas nozzle, the air inflation nozzle are connected to by the multi-diameter shaft end cap hollow design with the air bag, and the cantilevered air-expanding shaft also wraps
Include: at least one flexible cylindrical liner set, the liner are set between the expansion block and the air bag, described interior
Liner outer wall is circumferentially with the first pushing part of at least one circle predetermined quantity along it, is separately installed with institute on those first pushing parts
State expansion block；Those expansion blocks are the ladder block of rubber material, radially respectively include one second pushing part and one along the neck bush
Convex key, second pushing part are bonded on first pushing part, are realized and are expanded and eject with the neck bush, are shunk and are contracted
It returns.
Preferably, first pushing part and the neck bush are integrally formed, and the first pushing part hardness is greater than institute
Neck bush is stated, the expanding block being mounted on first pushing part is avoided to scratch the neck bush, realizes that memory covers the guarantor of itself
Shield.
Further, the second pushing part area is less than the area of first pushing part, it is ensured that the second pushing tow clan
Inside first pushing part, prevent it from scratching the neck bush.
Preferably, a shield key set is also arranged in the convex key, the shield key set passes through a pair of second spiral shell with the convex key
Nail is fixedly mounted, described to protect the shield key set that key set is metal material, along the hollow axis pole circumferential direction when reducing winding or unreeling
Shear stress damages expansion block.
Further, the shield key, which is covered, is equipped with a lug boss in the two sides of the axis direction of the vertical hollow axis pole,
The lug boss prevents from falling into the hollow axis pole when shield key set retraction.
Further, shield key set top surface is equipped with skid resistance strip, prevents coiled material from having skidded when winding or unreeling
The phenomenon that.
Preferably, the multi-diameter shaft end cap is fixedly connected with the hollow axis pole by least a pair of first screw.
Preferably, the hollow axis pole is equipped with a Flat Lid, the Flat Lid far from the one end of the multi-diameter shaft end cap
It is fixedly connected at least a pair of first screw of the hollow axis pole, and is also equipped with a manual exhaust nozzle, institute on the Flat Lid
It states manual exhaust mouth to be connected to the air bag, facilitate winding or deflates after the completion of unreeling, fast quick-detach reel.
The utility model has the beneficial effects that
A kind of cantilevered air-expanding shaft provided by the utility model is additionally provided with a richness between the air bag and the expansion block
The cylindrical liner set of elasticity, the neck bush keeps apart the air bag and the expansion block, avoid the air bag with it is described swollen
The direct contact of block prevents the expansion block from scratching the air bag in inflation, deflation and use process, guarantees that air bag is longer
Service life, and second pushing part of the expansion block is Nian Jie with first pushing part, utilizes the neck bush itself
Elasticity, drive the expansion block to retract, pacify spring-loaded structure without processing, save manufacturing cost, after go maintenance more convenient.
Detailed description of the invention
Fig. 1 is a kind of three dimensional structure diagram of cantilevered air-expanding shaft provided by the utility model；
Fig. 2 is a kind of main view of cantilevered air-expanding shaft provided by the utility model；
Fig. 3 be in Fig. 2 A-A to cross-sectional view；
Fig. 4 is the partial enlargement diagram in Fig. 2 at B；
Fig. 5 is a kind of liner structure schematic diagram provided by the utility model；
Fig. 6 is another liner structure schematic diagram provided by the utility model；
In figure: 1- air inflation nozzle, 2- multi-diameter shaft end cap, 2A- end cap portions, 2B- hollow portion, 3- hollow axis pole, 4- protect key set,
4A- lug boss, 5- Flat Lid, 6- manual exhaust mouth, 7- install mouth, 8- locking strap, the first screw of 9-, 10- neck bush, 10A- the
One pushing part, 10B- elastic telescopic portion, 11- expansion block, 11A- convex key, the second pushing part of 11B-, the second screw of 12-, 13- air bag,
14- ejects slot.
Specific embodiment
The technical solution of the utility model is described further with reference to the accompanying drawings and embodiments.
Refering to fig. 1, Fig. 2 and 4, a kind of cantilevered air-expanding shaft provided by the utility model, for printing machine winding and put
Volume including a hollow axis pole 3, the air bag 13 being arranged in the hollow axis pole 3 and is located at the air bag 13 and the sky
Predetermined quantity expansion block 11 between mandrels stem 3, the hollow axis pole 3 circumferentially offer the predetermined number with the cooperation of those expansion blocks 11
The ejection slot 14 of amount.
Refering to fig. 1 and Fig. 2, described 3 one end of hollow axis pole are equipped with a ladder hubcap 2, and the multi-diameter shaft end cap 2 is far from institute
The one end for stating hollow axis pole 3 is equipped with an air inflation nozzle 1, and the air inflation nozzle 1 is connected to the 2 hollow portion 2B of multi-diameter shaft end cap, described
Multi-diameter shaft end cap 2 is connected to by an installation mouth 7 with the air bag 13 close to one end of the hollow axis pole 3, and passes through a lock
Lock ring 8 is locked, and the hollow axis pole 3 is equipped with a Flat Lid 5 far from the one end of the multi-diameter shaft end cap 2, on the Flat Lid 5
It is also equipped with a manual exhaust nozzle 6, the manual exhaust mouth 6 is connected to the air bag 13, after the completion of facilitating winding or unreeling
It deflates, fast quick-detach reel.Wherein the end cap portions 2A of the stepped shaft end lid 2 and the Flat Lid 5 and the hollow shaft
Bar 3 is fixedly connected by least a pair of first screw 9 respectively, and four the first screws 9 are respectively adopted in the present embodiment and are fixedly connected,
Those certain first screws 9 are also possible to holding screw.
Refering to Fig. 2, Fig. 3, Fig. 5 and Fig. 6, the cantilevered air-expanding shaft further include: at least one flexible cylinder
Bushing 10, the neck bush 10 are arranged between the expansion block 11 and the air bag 13, and 10 outer wall of neck bush is along its circumferential direction
The first pushing part 10A equipped at least one circle predetermined quantity, present embodiments provides such as two kinds of 10 structures of neck bush of Fig. 5 and Fig. 6
Schematic diagram, but the structure provided in the present embodiment figure is provided, same transformation can also be done on this structure, such as use Fig. 5
Structure splicing may be implemented use, be separately installed with the expansion block 11 on those first pushing parts 10A；Those expansion blocks 11 are rubber
The ladder block of glue material matter respectively includes one second pushing part 11B and a convex key 11A along the neck bush 10 is radial, and described the
Two pushing part 11B are bonded on the first pushing part 10A, are realized and are expanded and eject with the neck bush 10, are shunk and are retracted.
Refering to Fig. 2 and Fig. 3, in order to reach more preferably structure, the first pushing part 10A and 10 one of the neck bush at
Type, and the first pushing part 10A hardness is greater than the neck bush 10, avoids being mounted on swollen on the first pushing part 10A
Expansion block 11 scratches the neck bush 10, realizes that memory covers the protection of itself.
Refering to Fig. 3 and Fig. 4, further, the second pushing part 11B area is less than the face of the first pushing part 10A
Product, it is ensured that the second pushing part 11B is fallen in inside the first pushing part 10A, prevents it from scratching the neck bush 10.The convex key
Shield key set 4 is also arranged on 11A, the shield key set 4 and convex key 11A passes through a pair of second screw 12 and is fixedly mounted, institute
Shield key set 4 is stated for the shield key set 4 of metal material, along the shear stress damage that the hollow axis pole 3 is circumferential when reducing winding or unreeling
Expansion block 11.The two sides for the axis direction that the shield key covers the 4 vertical hollow axis poles 3 are equipped with a lug boss 4A, the protrusion
Portion 4A prevents from falling into the hollow axis pole 3 when 4 retraction of shield key set, and the shield key covers 4 top surfaces, and equipped with skid resistance strip, (figure is not
Show), the phenomenon that preventing coiled material from having skidded when winding or unreeling, the shield key set 4 is along the axial direction side of the hollow axis pole 3
To also there is certain angle oblique angle, the loading of coiled material can be convenient.
When specifically used, first the reel of coiled material is entered and had good positioning from the flat cover end cap, then is filled from the air inflation nozzle 1
Enter high pressure gas, the expansion of the air bag 13 ejection expansion block 11 is realized the fixation of the coiled material, after unreeling or having wound, led to
It crosses and presses the manual exhaust mouth 6 at the flat cover end and deflate, then remove, then repeat the above steps replacement.
Refering to fig. 1, Fig. 2 and Fig. 3, cantilevered air-expanding shaft provided by the utility model have the advantages that
The cantilevered air-expanding shaft is effectively separated expansion block 11 and air bag 13 by neck bush 10 in structure, protection gas
The use of capsule 13 is not damaged, ensure that the longer service life of air bag 13；The neck bush 10 is flexible material,
It can be expanded with air bag 13 after inflation, expansion block 11 is driven to eject along ejection slot 14, its elastic telescopic portion 10B can be automatic after deflation
Retraction drives expansion block 11 to bounce back, effectively instead of complicated spring structure, manufacturing cost early period reduce and later maintenance also more
Add conveniently.
Above description is only the utility model specific embodiment, it will be appreciated by those of skill in the art that this
In be merely illustrative, the protection scope of the utility model is as defined in appended claims.Therefore just this is practical new
Change on an equal basis made by type claim, still falls within the range that the utility model is covered.
Claims (8)
1. a kind of cantilevered air-expanding shaft, for printing machine coiled material winding and unreel, including a hollow axis pole, be arranged in the sky
An air bag in mandrels stem and the predetermined quantity expansion block between the air bag and the hollow axis pole, the hollow axis pole
The ejection slot with the predetermined quantity of those expansion blocks cooperation is circumferentially offered, described hollow axis pole one end is equipped with a stepped shaft end
Lid, the multi-diameter shaft end cap are equipped with an air inflation nozzle far from one end of the hollow axis pole, and the air inflation nozzle passes through the multi-diameter shaft
End cap hollow design is connected to the air bag, which is characterized in that the cantilevered air-expanding shaft further include:
One flexible cylindrical liner set, the liner are set between the expansion block and the air bag, the liner
Set outer wall is circumferentially with the first pushing part of at least one circle predetermined quantity along it, is respectively equipped on those first pushing parts described swollen
Block；
Those expansion blocks are the ladder block of rubber material, radially respectively include one second pushing part and one convex along the neck bush
Key, second pushing part are bonded on first pushing part, are realized and are expanded and eject with the neck bush, are shunk and are retracted.
2. cantilevered air-expanding shaft according to claim 1, which is characterized in that first pushing part and the neck bush one
It is body formed, and the first pushing part hardness is greater than the neck bush.
3. cantilevered air-expanding shaft according to claim 2, which is characterized in that the second pushing part area is less than described the
The area of one pushing part.
4. cantilevered air-expanding shaft according to claim 1, which is characterized in that a shield key set is also arranged in the convex key,
The shield key set passes through a pair of of third screw with the convex key and is fixedly mounted, and the shield key set is the shield key set of metal material.
5. cantilevered air-expanding shaft according to claim 4, which is characterized in that the shield key is covered in the vertical hollow axis pole
The two sides of axis direction be equipped with a lug boss, the lug boss prevents shield key set from falling into the hollow axis pole when bouncing back
It is interior.
6. cantilevered air-expanding shaft according to claim 5, which is characterized in that shield key set top surface is equipped with skid resistance strip.
7. cantilevered air-expanding shaft according to claim 1, which is characterized in that the multi-diameter shaft end cap and the hollow axis pole
It is fixedly connected by least a pair of second screw.
8. cantilevered air-expanding shaft described in -7 any one according to claim 1, which is characterized in that the hollow axis pole is far from institute
The one end for stating multi-diameter shaft end cap is equipped with a Flat Lid, and the Flat Lid is fixed at least a pair of first screw of the hollow axis pole
Connection, and a manual exhaust nozzle is also equipped on the Flat Lid, the manual exhaust mouth is connected to the air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821853179.5U CN209291719U (en) | 2018-11-09 | 2018-11-09 | A kind of cantilevered air-expanding shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821853179.5U CN209291719U (en) | 2018-11-09 | 2018-11-09 | A kind of cantilevered air-expanding shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209291719U true CN209291719U (en) | 2019-08-23 |
Family
ID=67646482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821853179.5U Expired - Fee Related CN209291719U (en) | 2018-11-09 | 2018-11-09 | A kind of cantilevered air-expanding shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209291719U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170075A (en) * | 2019-12-31 | 2020-05-19 | 陈林怡 | Adjustable spinning winding machine of volume |
| CN111661718A (en) * | 2020-07-09 | 2020-09-15 | 李明秀 | Convex key type inflatable shaft |
| CN113511559A (en) * | 2021-04-22 | 2021-10-19 | 威士达半导体科技(张家港)有限公司 | Winding shaft for splitting machine |
-
2018
- 2018-11-09 CN CN201821853179.5U patent/CN209291719U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170075A (en) * | 2019-12-31 | 2020-05-19 | 陈林怡 | Adjustable spinning winding machine of volume |
| CN111661718A (en) * | 2020-07-09 | 2020-09-15 | 李明秀 | Convex key type inflatable shaft |
| CN111661718B (en) * | 2020-07-09 | 2021-12-21 | 安徽哲乐机电有限公司 | Convex key type inflatable shaft |
| CN113511559A (en) * | 2021-04-22 | 2021-10-19 | 威士达半导体科技(张家港)有限公司 | Winding shaft for splitting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190823 |