CN202209306U - High-torque riveting small shaft sleeve - Google Patents
High-torque riveting small shaft sleeve Download PDFInfo
- Publication number
- CN202209306U CN202209306U CN 201120306466 CN201120306466U CN202209306U CN 202209306 U CN202209306 U CN 202209306U CN 201120306466 CN201120306466 CN 201120306466 CN 201120306466 U CN201120306466 U CN 201120306466U CN 202209306 U CN202209306 U CN 202209306U
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- CN
- China
- Prior art keywords
- shaft sleeve
- riveting
- small
- torque
- tooth
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a shaft sleeve, in particular to a high-torque riveting small shaft sleeve which can effectively increase riveting intensity of the shaft sleeve, greatly improves static and dynamic balance of an impeller and prolongs service life of the impeller. The high-torque riveting small shaft sleeve comprises a small shaft sleeve body. A circle of small tooth profiles is disposed on a riveting end face of the shaft sleeve body, and the small tooth profiles are formed through tooth hobbing or tooth pressing. The high-torque riveting small shaft sleeve adopts the method of tooth hobbing or tooth pressing to enable the riveting end face of the small shaft sleeve to be provided with the circle of small tooth profiles which can effectively increase static friction of the shaft sleeve and a central disc under equal riveting pressure. By adopting the technique, riveting torque of an SYPI60 small fan can reach more than 40N.m, and torque of another SYP200 small fan also can only reach more than 80N.m. The high-torque riveting small shaft sleeve effectively increases riveting intensity of the shaft sleeve, greatly improves static and dynamic balance of the impeller and prolongs service life of the impeller.
Description
Technical field
The utility model relates to a kind of axle sleeve, relates in particular to a kind of high moment of torsion snap riveting and connects little axle sleeve.
Background technique
SYP coil pipe draught fan impeller adopts axle sleeve riveted type structure; The riveted joint moment of torsion of axle sleeve often determines problems such as static and dynamic equilibrium and the working life of this impeller; The little blower fan riveted joint of tradition SYP160 moment of torsion can only reach 25N.m, and the little blower fan moment of torsion of another kind of SYP200 also can only reach 40N.m.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of can effectively increase the axle sleeve riveting intensity, and the high moment of torsion snap riveting in working life that has improved static and dynamic equilibrium and the impeller of impeller greatly connects little axle sleeve.
The high moment of torsion snap riveting of the utility model connects little axle sleeve, comprises little axle sleeve sleeve body, and the riveted joint end face of said sleeve body is provided with the little profile of tooth of a circle.
The high moment of torsion snap riveting of the utility model connects little axle sleeve, and said little profile of tooth is through gear hobbing or press the tooth moulding.
Compared with prior art the beneficial effect of the utility model is: the little axle sleeve of the utility model; Adopt gear hobbing or press the way of tooth to make the little profile of tooth of little axle sleeve riveted joint end face band one circle; This profile of tooth can effectively increase the stiction of axle sleeve and mid-game under equal riveting pressure.Employing should technology after the little blower fan riveted joint of SYP160 moment of torsion can reach more than the 40N.m; The little blower fan moment of torsion of another kind of SYP200 also can only reach more than the 80N.m; The utility model effectively increases the axle sleeve riveting intensity, has improved the static and dynamic equilibrium of impeller and the working life of impeller greatly.
Description of drawings
Fig. 1 is the plan view of the utility model;
Fig. 2 is the plan view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
As depicted in figs. 1 and 2, a kind of high moment of torsion snap riveting connects little axle sleeve, comprises little axle sleeve sleeve body 1, and the riveted joint end face of sleeve body 1 is provided with the little profile of tooth 2 of a circle, and little profile of tooth 2 is through gear hobbing or press the tooth moulding.
The little axle sleeve of the utility model adopts gear hobbing or presses the way of tooth to make the little profile of tooth of little axle sleeve riveted joint end face band one circle, and this profile of tooth can effectively increase the stiction of axle sleeve and mid-game under equal riveting pressure.Employing should technology after the little blower fan riveted joint of SYP160 moment of torsion can reach more than the 40N.m, the little blower fan moment of torsion of another kind of SYP200 also can only reach more than the 80N.m.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and modification, these improvement and modification also should be regarded as the protection domain of the utility model.
Claims (2)
1. one kind high moment of torsion snap riveting connects little axle sleeve, comprises little axle sleeve sleeve body, it is characterized in that: the riveted joint end face of said sleeve body is provided with the little profile of tooth of a circle.
2. high moment of torsion snap riveting according to claim 1 connects little axle sleeve, it is characterized in that: said little profile of tooth is through gear hobbing or press the tooth moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120306466 CN202209306U (en) | 2011-08-22 | 2011-08-22 | High-torque riveting small shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120306466 CN202209306U (en) | 2011-08-22 | 2011-08-22 | High-torque riveting small shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202209306U true CN202209306U (en) | 2012-05-02 |
Family
ID=45988855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120306466 Expired - Lifetime CN202209306U (en) | 2011-08-22 | 2011-08-22 | High-torque riveting small shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202209306U (en) |
-
2011
- 2011-08-22 CN CN 201120306466 patent/CN202209306U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120502 |