CN202076115U - Positioning fastener for installation of rotating member - Google Patents
Positioning fastener for installation of rotating member Download PDFInfo
- Publication number
- CN202076115U CN202076115U CN2010206692840U CN201020669284U CN202076115U CN 202076115 U CN202076115 U CN 202076115U CN 2010206692840 U CN2010206692840 U CN 2010206692840U CN 201020669284 U CN201020669284 U CN 201020669284U CN 202076115 U CN202076115 U CN 202076115U
- Authority
- CN
- China
- Prior art keywords
- revolving part
- rotating shaft
- section
- rotating member
- hole
- 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 - Fee Related
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Abstract
The utility model relates to a connection fastening field of a rotating member, particularly to a positioning fastener for installation of the rotating member. The positioning fastener for installation of the rotating member includes a rotating shaft (1), the rotating member (2) and a pressing plate (3); through holes are provided in centers of the rotating member (2) and the pressing plate (3); the rotating member (2) and the pressing plate (3) are successively sleeved on the rotating shaft (1) through the through holes in centers; the positioning fastener for installation of the rotating member is characterized in that a cross section of the through hole of the rotating member (2) is an arc; the cross section at a position of the rotating shaft (1) where the rotating member is sleeved is also an arc; the arched cross section of the through hole of the rotating member (2) and the arched cross section of the rotating shaft (1) are matched; a chord line of the arched cross section of the through hole of the rotating member (2) and the chord line the arched cross section of the rotating shaft (1) are attached; and the through hole of the pressing plate (3) and the rotating shaft (1) are in interference fit. The positioning fastener for installation of the rotating member is high in positioning precision, firm, reliable, simple in structure, convenience in manufacturing, low in cost, and long in service life.
Description
Technical field
The utility model relates to the fastening field of connection of revolving part, is specially a kind of positioning and fastening arrangement when being used for revolving part and installing.
Background technology
The location of revolving part is often to run in the machinery assembling, is used for the rotating shaft output torque to drive the occasion of load rotation more.At present, revolving part adopts the key location fastening with screw more, as shown in Figure 1, revolving part 12 and flat shim 14 are enclosed within outside the rotating shaft 11 successively, the end face of revolving part 12 and the end face of rotating shaft 11 are adjacent to, and another end face and the flat shim 14 of revolving part 12 are adjacent to, and are connected by key 13 between rotating shaft 11 and the revolving part 12, with screw 16 flat shim 14, revolving part 12 and rotating shaft 11 are connected, are lined with spring shim 15 between screw 16 and the flat shim 14.In the said structure, key 13 works the effect of being located by connecting, and screw 16 and spring shim 15 play the role of fastening.The used part of this structure is more, and manufacturing procedure is also many, and part is many can to cause in limited space a series of defectives such as difficult arrangement, assembling are loaded down with trivial details, failure mode increase, and manufacturing procedure can increase at most produces and maintenance cost.
The utility model content
In order to overcome the defective of prior art, provide a kind of simple in structure, volume is small and exquisite, long service life, the fastening effective connection fastener in location, the utility model discloses a kind of positioning and fastening arrangement when being used for revolving part and installing.
The utility model reaches goal of the invention by following technical solution:
A kind of positioning and fastening arrangement when being used for revolving part and installing, comprise rotating shaft, revolving part and pressing plate, the center of revolving part and pressing plate all has through hole, revolving part and pressing plate are enclosed within the rotating shaft by the through hole at center separately successively, it is characterized in that: the cross section of revolving part through hole is arc, rotating shaft also is arc in the cross section that is with the revolving part place, and the bow-shaped cross-section of revolving part through hole and the bow-shaped cross-section of rotating shaft match each other, the mutual card of string of the string of revolving part through hole bow-shaped cross-section and rotating shaft bow-shaped cross-section closes, and forms interference fit between the through hole of pressing plate and the rotating shaft.
Described positioning and fastening arrangement when being used for revolving part and installing, it is characterized in that: the bow-shaped cross-section of revolving part through hole, the pairing central angle of its string is at 210 °～330 °.
When the utility model uses, the arc through hole of revolving part is enclosed within the bow-shaped cross-section place of rotating shaft, again pressing plate is packed into rotating shaft and be adjacent to revolving part, rotating shaft that dependence is worked in coordination and revolving part are realized the location, rely on the rotating shaft and the pressing plate of interference fit to realize fastening, thereby finish installation, when rotating shaft is rotated, can rotate by the driven rotary part revolving part.The utility model has been cancelled key, spring shim and the flat shim that is used to locate in the conventional fixed mode, has reduced the workload of the processing of number of spare parts.The beneficial effects of the utility model are: the positioning accuracy height, fastening reliable, simple in structure, easily manufactured, cost is low, long service life.
Description of drawings
Fig. 1 is front view and the partial sectional view of existing techniques in realizing to revolving part location fastening structure;
Fig. 2 is left view and the partial sectional view of existing techniques in realizing to revolving part location fastening structure;
Fig. 3 is front view of the present utility model and partial sectional view;
Fig. 4 is left view of the present utility model and partial sectional view.
Embodiment
Below further specify the utility model by specific embodiment.
Embodiment 1
Now need on permagnetic synchronous motor, to install resolver, positioning and fastening arrangement when employing is used for the revolving part installation, comprise rotating shaft 1, revolving part 2 and pressing plate 3, as shown in Figure 3 and Figure 4, concrete structure is: the rotor of resolver is as revolving part, the center of revolving part 2 and pressing plate 3 all has through hole, revolving part 2 and pressing plate 3 are enclosed within the rotating shaft 1 successively by the through hole at center separately, the cross section of revolving part 1 through hole is arc, rotating shaft 1 also is arc in the cross section that is with revolving part 2 places, and the bow-shaped cross-section of revolving part 2 through holes and the bow-shaped cross-section of rotating shaft 1 match each other, the mutual card of string of the string of revolving part 2 through hole bow-shaped cross-sections and rotating shaft 1 bow-shaped cross-section closes, and forms interference fit between the through hole of pressing plate 3 and the rotating shaft 1.The bow-shaped cross-section of revolving part 2 through holes, the pairing central angle value of its string is at 210 °～330 °, and present embodiment is got 300 °.
When present embodiment uses, the arc through hole of revolving part 2 is enclosed within the bow-shaped cross-section place of rotating shaft 1, again pressing plate 3 is packed into rotating shaft 1 and be adjacent to revolving part 2, rotating shaft 1 that dependence is worked in coordination and revolving part 2 are realized the location, rely on the rotating shaft 1 and the pressing plate 3 of interference fit to realize fastening, thereby finish installation, when rotating shaft 1 is rotated, can rotate by driven rotary part 2 revolving part 2.
Claims (2)
1. positioning and fastening arrangement when being used for revolving part and installing, comprise rotating shaft (1), revolving part (2) and pressing plate (3), the center of revolving part (2) and pressing plate (3) all has through hole, revolving part (2) and pressing plate (3) are enclosed within the rotating shaft (1) successively by the through hole at center separately, it is characterized in that: the cross section of revolving part (1) through hole is arc, rotating shaft (1) is being with cross section that revolving part (2) locates also for arc, and the bow-shaped cross-section of revolving part (2) through hole and the bow-shaped cross-section of rotating shaft (1) match each other, the mutual card of string of the string of revolving part (2) through hole bow-shaped cross-section and rotating shaft (1) bow-shaped cross-section closes, and forms interference fit between the through hole of pressing plate (3) and the rotating shaft (1).
2. the positioning and fastening arrangement when being used for revolving part and installing as claimed in claim 1, it is characterized in that: the bow-shaped cross-section of revolving part (2) through hole, the pairing central angle of its string is at 210 °～330 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206692840U CN202076115U (en) | 2010-12-20 | 2010-12-20 | Positioning fastener for installation of rotating member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206692840U CN202076115U (en) | 2010-12-20 | 2010-12-20 | Positioning fastener for installation of rotating member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076115U true CN202076115U (en) | 2011-12-14 |
Family
ID=45114206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206692840U Expired - Fee Related CN202076115U (en) | 2010-12-20 | 2010-12-20 | Positioning fastener for installation of rotating member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714934A (en) * | 2013-12-29 | 2014-04-09 | 哈尔滨固泰电子有限责任公司 | Anti-loosening rotating locking fixed iron core |
| CN108695054A (en) * | 2017-04-05 | 2018-10-23 | 天津市松正电动汽车技术股份有限公司 | A kind of rotating transformer structures |
-
2010
- 2010-12-20 CN CN2010206692840U patent/CN202076115U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714934A (en) * | 2013-12-29 | 2014-04-09 | 哈尔滨固泰电子有限责任公司 | Anti-loosening rotating locking fixed iron core |
| CN103714934B (en) * | 2013-12-29 | 2016-08-24 | 哈尔滨固泰电子有限责任公司 | Anti-loose rotational lock fixed core |
| CN108695054A (en) * | 2017-04-05 | 2018-10-23 | 天津市松正电动汽车技术股份有限公司 | A kind of rotating transformer structures |
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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: 20111214 Termination date: 20181220 |