CN203213910U - Special high-strength super-wear-resisting winding shaft for roller shutter door - Google Patents
Special high-strength super-wear-resisting winding shaft for roller shutter door Download PDFInfo
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- CN203213910U CN203213910U CN 201320214991 CN201320214991U CN203213910U CN 203213910 U CN203213910 U CN 203213910U CN 201320214991 CN201320214991 CN 201320214991 CN 201320214991 U CN201320214991 U CN 201320214991U CN 203213910 U CN203213910 U CN 203213910U
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- shaft
- spindle nose
- changeover portion
- wear
- length
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Abstract
The utility model belongs to the technical field of roller shutter doors and particularly relates to special high-strength super-wear-resisting winding shaft for a roller shutter door. The special high-strength super-wear-resisting winding shaft for the roller shutter door solves the technical problems that the prior art is not reasonable enough in design and the like. The special high-strength super-wear-resisting winding shaft comprises a shaft, the shaft comprises a shaft body, two ends of the shaft body are provided with a first shaft head and a second shaft head respectively, a first transition section is arranged between the first shaft head and the shaft body, a second transition section is arranged between the second shaft head and the shaft body, the outer diameter of the first shaft head is equal to that of the second shaft head, the outer diameter of the first transition section is equal to that of the second transition section, and the outer diameter of the shaft body is smaller than that of the first transition section and is at least twice of that of the first shaft head. Compared with the prior art, the special high-strength super-wear-resisting winding shaft for the roller shutter door has the advantages of low cost, strong practicality and the like, and is high in structural strength of the connecting shaft and easy to manufacture.
Description
Technical field
The utility model belongs to the rolling door technical field, especially relates to a kind of super wear-resisting spool of high strength of rolling door special use.
Background technology
Its pass of rolling door and ON operation are simple and convenient, with respect to making common iron gate structure, it has advantages such as the low and easy installation of cost, for example, be used for the storehouse door in garage and be used for the gate in little shop etc., various rolling door have appearred in the continuous development with social technology of improving constantly along with living standard on the existing market, it has obtained using widely; Rolling door is that the door sheet with the multi-joint activity is cascaded, and in fixing slideway, rotates door up and down centered by the spool of door top.Rolling door equally plays horizontal subdivision with the effect of wall, it is decontroled pass device etc. component by curtain plate, seat board, guide rail, bearing, spool, casing, control cabinet, door-rolling machine, stop, lintel and manual speed and forms, it has following shortcoming existing spool: be difficult for installing and making, cost is higher, in addition, its structural strength on the whole is lower, and easy deformation causes rolling door normally to use.
The utility model content
The purpose of this utility model is at the problems referred to above, provides a kind of design more reasonable, the super wear-resisting spool of high strength of the rolling door special use of simple in structure and easy manufacturing.
For achieving the above object, the utility model has adopted following technical proposal: the super wear-resisting spool of the high strength of this rolling door special use comprises axis body, it is characterized in that, described axis body comprises the axle body of setting placed in the middle, have first spindle nose and second spindle nose respectively at the two ends of axle body, has first changeover portion between described first spindle nose and the axle body, between second spindle nose and axle body, has second changeover portion, the described first spindle nose external diameter equates with the external diameter of second spindle nose, the external diameter of described first changeover portion equates with the external diameter of second changeover portion, described axle body external diameter is less than the external diameter of first changeover portion, and described axle body external diameter is the twice of the first spindle nose external diameter at least.Obviously, the utlity model has advantages such as cost is low and practical, secondly, this spool structure intensity height is made easily, meets the current social Developing Trend in Technology.
In the super wear-resisting spool of high strength of above-mentioned rolling door special use, the equal in length of the length of described first changeover portion and second changeover portion, described axle body length is greater than the length of first changeover portion.
In the super wear-resisting spool of high strength of above-mentioned rolling door special use, the equal in length of the described first spindle nose length and second spindle nose, the length of described first changeover portion is greater than the first spindle nose length.
In the super wear-resisting spool of high strength of above-mentioned rolling door special use, described axis body two ends are respectively equipped with centre bore.
In the super wear-resisting spool of high strength of above-mentioned rolling door special use, described axis body is made by metal material.
Compared with prior art, the advantage of the super wear-resisting spool of high strength of this rolling door special use is: have advantages such as cost is low and practical, secondly, this spool structure intensity height is made easily, meets the current social Developing Trend in Technology.
Description of drawings
Fig. 1 is the structural representation that the utility model provides.
Among the figure, axis body 1, axle body 11, first spindle nose 12, second spindle nose 13, first changeover portion 14, second changeover portion 15.
The specific embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the super wear-resisting spool of the high strength of this rolling door special use comprises axis body 1, this axis body 1 is made by metal material and is respectively equipped with centre bore at its two ends, prioritization scheme, the axis body 1 of present embodiment comprises the axle body 11 of setting placed in the middle, have first spindle nose 12 and second spindle nose 13 respectively at the two ends of axle body 11, has first changeover portion 14 between described first spindle nose 12 and the axle body 11, between second spindle nose 13 and axle body 11, has second changeover portion 15, described first spindle nose, 12 external diameters equate with the external diameter of second spindle nose 13, the external diameter of described first changeover portion 14 equates with the external diameter of second changeover portion 15, described axle body 11 external diameters are less than the external diameter of first changeover portion 14, and described axle body 11 external diameters are the twice of first spindle nose, 12 external diameters at least.Obviously, present embodiment has advantages such as cost is low and practical, and secondly, this spool structure intensity height is made easily, meets the current social Developing Trend in Technology.
Specifically, the length of first changeover portion 14 of present embodiment and the equal in length of second changeover portion 15, described axle body 11 length are greater than the length of first changeover portion 14.The equal in length of first spindle nose, 12 length and second spindle nose 13, the length of described first changeover portion 14 is greater than first spindle nose, 12 length.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as axis body 1, axle body 11, first spindle nose 12, second spindle nose 13, first changeover portion 14, second changeover portion 15 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. the super wear-resisting spool of the high strength of a rolling door special use, comprise axis body (1), it is characterized in that, described axis body (1) comprises the axle body (11) of setting placed in the middle, have first spindle nose (12) and second spindle nose (13) respectively at the two ends of axle body (11), has first changeover portion (14) between described first spindle nose (12) and the axle body (11), between second spindle nose (13) and axle body (11), has second changeover portion (15), described first spindle nose (12) external diameter equates with the external diameter of second spindle nose (13), the external diameter of described first changeover portion (14) equates with the external diameter of second changeover portion (15), described axle body (11) external diameter is less than the external diameter of first changeover portion (14), and described axle body (11) external diameter is the twice of first spindle nose (12) external diameter at least.
2. the super wear-resisting spool of the high strength of rolling door special use according to claim 1, it is characterized in that, the equal in length of the length of described first changeover portion (14) and second changeover portion (15), described axle body (11) length is greater than the length of first changeover portion (14).
3. the super wear-resisting spool of the high strength of rolling door special use according to claim 2, it is characterized in that, the equal in length of described first spindle nose (12) length and second spindle nose (13), the length of described first changeover portion (14) is greater than first spindle nose (12) length.
4. according to the super wear-resisting spool of high strength of claim 1 or 2 or 3 described rolling door special uses, it is characterized in that described axis body (1) two ends are respectively equipped with centre bore.
5. the super wear-resisting spool of the high strength of rolling door special use according to claim 4 is characterized in that, described axis body (1) is made by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214991 CN203213910U (en) | 2013-04-24 | 2013-04-24 | Special high-strength super-wear-resisting winding shaft for roller shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214991 CN203213910U (en) | 2013-04-24 | 2013-04-24 | Special high-strength super-wear-resisting winding shaft for roller shutter door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203213910U true CN203213910U (en) | 2013-09-25 |
Family
ID=49203458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320214991 Expired - Fee Related CN203213910U (en) | 2013-04-24 | 2013-04-24 | Special high-strength super-wear-resisting winding shaft for roller shutter door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203213910U (en) |
-
2013
- 2013-04-24 CN CN 201320214991 patent/CN203213910U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140424 |