CN209940193U - Pneumatic winding shaft - Google Patents
Pneumatic winding shaft Download PDFInfo
- Publication number
- CN209940193U CN209940193U CN201920694645.8U CN201920694645U CN209940193U CN 209940193 U CN209940193 U CN 209940193U CN 201920694645 U CN201920694645 U CN 201920694645U CN 209940193 U CN209940193 U CN 209940193U
- Authority
- CN
- China
- Prior art keywords
- connecting block
- air cavity
- reel
- spring leaf
- tile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Winding Of Webs (AREA)
Abstract
The utility model discloses a pneumatic winding shaft, which comprises a shaft body, connecting block groups in one-to-one correspondence with the spring leaf groups and tiles in one-to-one correspondence with the connecting block groups, wherein the shaft body is provided with an air cavity and an air blowing port communicated with the air cavity, the inner wall of the shaft body is connected with at least two spring leaf groups which are uniformly distributed along the circumferential direction of the air cavity, and each spring leaf group comprises at least one axial spring leaf parallel to the air cavity; the connecting block group comprises at least one connecting block, the connecting block is movably inserted on the peripheral wall of the shaft body, and the end part of the connecting block, which is positioned in the air cavity, is connected with the spring piece; all the tiles are arranged along the outer periphery of the shaft body, and the middle positions of the tiles are connected with the end part, located outside the shaft body, of the connecting block. The utility model discloses can accomplish through aerifing, gassing and rise tightly and shrink, and then accomplish the rolling well, and the mechanism is simple, easy to carry out.
Description
Technical Field
The utility model relates to a pneumatic rolling axle.
Background
The winding shaft needs to be tensioned in the winding process, but the tensioning and the contraction of the existing winding shaft can be completed only by a complex structure, so that the whole winding shaft is complex in overall structure, heavy and easy to block.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a pneumatic rolling axle, it can be through aerifing, the gassing is accomplished and is risen and contract, and then accomplishes the rolling well, and the mechanism is simple, easy to carry out.
In order to solve the technical problem, the technical scheme of the utility model is that: a pneumatic wind-up reel, comprising:
the shaft comprises a shaft body, a bearing and a bearing, wherein the shaft body is provided with an air cavity and an air blowing port communicated with the air cavity, the inner wall of the shaft body is connected with at least two spring leaf groups uniformly distributed along the circumferential direction of the air cavity, and each spring leaf group comprises at least one axial spring leaf parallel to the air cavity;
the connecting block group is in one-to-one correspondence with the spring piece group and comprises at least one connecting block, the connecting block is movably inserted on the peripheral wall of the shaft body, and the end part of the connecting block, which is positioned in the air cavity, is connected with the spring piece;
and all the tiles are arranged along the outer periphery of the shaft body, and the middle positions of the tiles are connected with the end parts of the connecting blocks, which are positioned outside the shaft body.
Further, in order to conveniently blow air into the air cavity, the pneumatic winding shaft further comprises an air blowing pipe communicated with the air blowing opening.
Further, the axle body includes barrel, left wall body and right wall body, left side wall body passes through bolted connection at the left end of barrel, right side wall body passes through the right-hand member of bolted connection barrel, and barrel, left wall body and right wall body enclose into the air cavity jointly.
Further in order to enhance the sealing performance of the air cavity, sealing rings are respectively arranged between the cylinder body and the left wall body and between the cylinder body and the right wall body.
Further, be provided with on the perisporium of barrel with be used for dodging the breach of tile, when the tile was not propped up by the connecting block, the periphery of tile flushed with the periphery of barrel.
Further, the spring leaf group is provided with three groups, and each spring leaf group comprises two spring leaves which are parallel to the axial direction of the air cavity and are arranged along the axial direction of the air cavity.
Furthermore, the connecting blocks in the connecting block group correspond to the spring pieces in the spring piece group one by one.
Further in order to prevent air leakage from the position of the shaft body where the connecting block is inserted, the connecting block is a piston.
Furthermore, the tile is made of metal.
And further in order to increase the friction force between the pneumatic winding shaft and the tensioned object so as to prevent the tensioned object from rotating relative to the pneumatic winding shaft, the upper surface of the tile is an anti-skid surface.
After the technical scheme is adopted, after the air is blown to the air cavity of the shaft body from the air blowing port, the spring piece bulges outwards under the action of air pressure, the spring piece pushes the tiles to be spread through the connecting block, so that the pneumatic winding shaft is tensioned, after the air is blown, the spring piece resets because the external force disappears, and the spring piece drives the tiles to be recycled to the stroke starting point through the connecting block; the utility model discloses a tile struts under the effect of spring leaf, and the speed of strutting is slow even, can not cause by the damage of tight thing that rises.
Drawings
Fig. 1 is a schematic structural view of a pneumatic winding shaft of the present invention;
fig. 2 is a right side view of the tile of fig. 1.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 and 2, a pneumatic winding shaft comprises:
the shaft comprises a shaft body, wherein the shaft body is provided with an air cavity 1 and an air blowing port communicated with the air cavity 1, the inner wall of the shaft body is connected with at least two spring leaf groups which are uniformly distributed along the circumferential direction of the air cavity 1, and each spring leaf group comprises at least one spring leaf 2 parallel to the axial direction of the air cavity 1;
the connecting block groups correspond to the spring leaf groups one by one and comprise at least one connecting block 3, the connecting block 3 is movably inserted and arranged on the peripheral wall of the shaft body, and the end part of the connecting block 3 positioned in the air cavity 1 is connected with the spring leaf 2;
and the tiles 4 are in one-to-one correspondence with the connecting block groups, all the tiles 4 are arranged along the outer periphery of the shaft body, and the middle positions of the tiles 4 are connected with the end parts, located outside the shaft body, of the connecting blocks 3. In this embodiment, the tile 4 is made of metal.
As shown in figure 1, in order to blow air into the air cavity 1, the pneumatic winding shaft further comprises an air blowing pipe 5 communicated with the air blowing opening.
As shown in fig. 1, the shaft body comprises a cylinder 6, a left wall 7 and a right wall 8, the left wall 7 is connected to the left end of the cylinder 6 through a bolt 9, the right wall 8 is connected to the right end of the cylinder 6 through a bolt 9, and the cylinder 6, the left wall 7 and the right wall 8 jointly enclose an air cavity 1.
As shown in fig. 1, in order to enhance the sealing property of the air chamber 1, sealing rings 10 are provided between the cylinder 6 and the left wall 7 and between the cylinder 6 and the right wall 8, respectively.
As shown in fig. 1, a notch for avoiding the tile 4 is provided on the peripheral wall of the cylinder 6, and when the tile 4 is not supported by the connecting block 3, the outer periphery of the tile 4 is flush with the outer periphery of the cylinder 6.
As shown in fig. 1, the spring leaf sets are provided with three sets, each spring leaf set comprises two spring leaves 2 which are parallel to the axial direction of the air cavity 1 and are arranged along the axial direction of the air cavity 1.
As shown in fig. 1, the connecting blocks 3 in the connecting block group correspond to the spring pieces 2 in the spring piece group one by one.
As shown in fig. 1, the connecting block 3 is a piston in order to prevent air leakage from a position of the shaft body where the connecting block 3 is inserted.
As shown in fig. 2, in order to increase the friction between the pneumatic winding shaft and the object to be tensioned to prevent the object to be tensioned from rotating relative to the pneumatic winding shaft, the upper surface of the tile 4 is an anti-slip surface. In this embodiment, the upper surface of the tile 4 is a sawtooth surface.
The working principle of the utility model is as follows:
after the air is blown to the air cavity 1 of the shaft body from the air blowing port, the spring piece 2 bulges outwards under the action of air pressure, the spring piece 2 pushes the tile 4 to be expanded through the connecting block 3, the expansion of the pneumatic winding shaft of the utility model is completed, after the air is blown, the spring piece 2 resets because the external force disappears, and the spring piece 2 drives the tile 4 to be recovered to the stroke starting point through the connecting block 3; the utility model discloses a tile 4 struts under the effect of spring leaf 2, and the speed of strutting is slow even, can not cause by the tight thing damage that rises.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A pneumatic wind-up reel, comprising:
the shaft comprises a shaft body, wherein the shaft body is provided with an air cavity (1) and an air blowing port communicated with the air cavity (1), the inner wall of the shaft body is connected with at least two spring leaf groups uniformly distributed along the circumferential direction of the air cavity (1), and each spring leaf group comprises at least one spring leaf (2) parallel to the axial direction of the air cavity (1);
the connecting block groups correspond to the spring leaf groups one by one and comprise at least one connecting block (3), the connecting block (3) is movably inserted on the peripheral wall of the shaft body, and the end part of the connecting block (3) positioned in the air cavity (1) is connected with the spring leaf (2);
with tile (4) of connecting block group one-to-one, all tiles (4) are arranged along the outer periphery of axle body, the intermediate position of tile (4) is connected with the tip that is located the axle body outside of connecting block (3).
2. The pneumatic take-up reel of claim 1, wherein: also comprises an air blowing pipe (5) communicated with the air blowing opening.
3. The pneumatic take-up reel of claim 1, wherein: the shaft body comprises a barrel body (6), a left wall body (7) and a right wall body (8), the left wall body (7) is connected to the left end of the barrel body (6) through a bolt (9), the right wall body (8) is connected to the right end of the barrel body (6) through the bolt (9), and the barrel body (6), the left wall body (7) and the right wall body (8) jointly enclose an air cavity (1).
4. The pneumatic take-up reel of claim 3, wherein: sealing rings (10) are respectively arranged between the cylinder (6) and the left wall body (7) and between the cylinder (6) and the right wall body (8).
5. The pneumatic take-up reel of claim 3, wherein: be provided with on the perisporium of barrel (6) with be used for dodging the breach of tile (4), when tile (4) is not propped up by connecting block (3), the periphery of tile (4) flushes with the periphery of barrel (6).
6. The pneumatic take-up reel of claim 1, wherein: the spring leaf group is provided with three groups, and each spring leaf group comprises two spring leaves (2) which are parallel to the axial direction of the air cavity (1) and are arranged along the axial direction of the air cavity (1).
7. The pneumatic take-up reel of claim 1, wherein: the connecting blocks (3) in the connecting block group correspond to the spring pieces (2) in the spring piece group one by one.
8. The pneumatic take-up reel of claim 1, wherein: the connecting block (3) is a piston.
9. The pneumatic take-up reel of claim 1, wherein: the tile (4) is made of metal.
10. The pneumatic take-up reel of claim 1, wherein: the upper surface of the tile (4) is an anti-skid surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694645.8U CN209940193U (en) | 2019-05-15 | 2019-05-15 | Pneumatic winding shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694645.8U CN209940193U (en) | 2019-05-15 | 2019-05-15 | Pneumatic winding shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209940193U true CN209940193U (en) | 2020-01-14 |
Family
ID=69132821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920694645.8U Active CN209940193U (en) | 2019-05-15 | 2019-05-15 | Pneumatic winding shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209940193U (en) |
-
2019
- 2019-05-15 CN CN201920694645.8U patent/CN209940193U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204588619U (en) | Novel fork mounting machine extendible arm | |
| CN102134044B (en) | Suspension arm sequential stretching/retracting hydraulic system | |
| CN101532522A (en) | Improved single-action telescopic sleeve hydraulic cylinder | |
| CN209940193U (en) | Pneumatic winding shaft | |
| CN101879784B (en) | Non-capsule two-stage tyre setting drum | |
| CN102745556B (en) | Mechanical expansion shaft of air control C-shaped rings | |
| CN105502101B (en) | A kind of flexible swelling shaft | |
| CN102756936B (en) | C-ring mechanical expanding shaft | |
| CN107471570B (en) | Hybrid power driving cylinder capable of amplifying multiple driving force | |
| CN203392560U (en) | Winding roller for producing film | |
| CN205204354U (en) | Mounting structure of for equipment physiosis axle aluminizes in film vacuum | |
| CN205324446U (en) | Efficient pipe fitting cut -out press | |
| CN204533956U (en) | A kind of pipeline leakage plugging device | |
| CN209777795U (en) | Pneumatic cone top on printing machine | |
| CN202729475U (en) | Air control C-shaped circle mechanical expansion and shrink shaft | |
| CN204003762U (en) | Preposition guiding short stroke oil cylinder | |
| CN202789174U (en) | Cylinder head for engines | |
| CN105513885A (en) | Internal guiding structure, corrugated pipe assembly and vacuum arc extinguishing chamber | |
| CN211731340U (en) | Lifting type trolley supporting leg | |
| CN111663548A (en) | Cofferdam structure for construction without water cut and construction method for mounting and dismounting cofferdam without water cut | |
| CN209792301U (en) | Sector plate expanding spring barrel plate | |
| CN206054433U (en) | Automobile door pump cylinder | |
| CN104806483A (en) | Hydraulic nut demounted nondestructively and demounting method of hydraulic nut | |
| CN212028316U (en) | Roller convenient to change bearing | |
| CN220470370U (en) | Sliding guide plate, telescopic guide structure thereof and hydraulic cylinder guide matching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200608 Address after: Ren Ge Cun Wei Xue Jia Zhen 213000 North Jiangsu city of Changzhou Province Patentee after: Changzhou Taiya Machinery Manufacturing Co., Ltd Address before: 213000 58 Kele Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Changzhou qunbo mechanical equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |