CN200946620Y - Fixing and regulating device of eccentric axle - Google Patents
Fixing and regulating device of eccentric axle Download PDFInfo
- Publication number
- CN200946620Y CN200946620Y CN 200620035537 CN200620035537U CN200946620Y CN 200946620 Y CN200946620 Y CN 200946620Y CN 200620035537 CN200620035537 CN 200620035537 CN 200620035537 U CN200620035537 U CN 200620035537U CN 200946620 Y CN200946620 Y CN 200946620Y
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- CN
- China
- Prior art keywords
- eccentric shaft
- fixing
- eccentric
- mounting hole
- bulging
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- 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.)
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Abstract
The utility model discloses a fixing and regulating device for eccentric shaft on cutting bed slider of paper cutter, being able to improve the reliability and precision of eccentric shaft fixation and comprising an eccentric shaft with a large end and a thread rod, a base with a mounting hole, and a fixing nut fitting thread rod of the eccentric shaft, wherein the eccentric shaft passes through the mounting hole of the base and is fixed to the base via the fixing nut; between large end of the eccentric and the fixing nut are provided sleevedly with at least two bulging units formed by bulging joining sleeves, outer and inner diameters of the bulging units fitting respectively inner diameter of the mounting hole and outer diameter of the eccentric, two bulging sleeves being axially overlaid with inclined contact surfaces. The device improves the reliability and mounting precision of the eccentric and lowers the difficulty and cost of manufacture. The eccentric shaft may be regulated to a demanded angle by unscrewing the fixing nut. The utility model has very convenient usage and regulation and may be applied to fixing structures of shaft parts demanding freedom of radial clearances.
Description
Technical field
The utility model relates to a kind of fixing and regulating device, especially a kind of fixing and regulating device that is used for eccentric shaft on the paper cutter bed slide block.
Background technique
At present, in the eccentric shaft mechanism that produces, uses, its eccentric shaft normally is fixed by the big end of eccentric shaft and the threaded fastener of the eccentric shaft the other end.The patent No. is that the utility model patent specification that ZL200520032913.8, name are called " the rearmounted cutter bed slide block device of installing of a kind of paper cutter " discloses a kind of like this device, paper cutter frame back has the mounting hole that can free in and out cutter bed slide block, be provided with the eccentric shaft installation sleeve in the mounting hole, installation sleeve is fastened on paper cutter frame back with fastening piece, the slide block eccentric shaft passes the eccentric shaft installation sleeve, is locked on the installation sleeve with fastening piece.Owing to need normal dismounting and adjustment, be Spielpassung between eccentric shaft and the installation sleeve and between installation sleeve and the paper cutter frame.Therefore, eccentric shaft has the possibility that moves radially when bearing bigger shearing load, thereby has reduced eccentric shaft motion of mechanism precision.If will improve the location and the kinematic accuracy of eccentric stiffener, have only the precision that improves the cooperation place, reduce matching gap, but what bring is the increase of manufacture difficulty and the raising of manufacture cost thereupon.
The model utility content
Technical problem to be solved in the utility model provides a kind of fixing and regulating device that improves the eccentric shaft of eccentric shaft reliability of fixation and precision.
The technological scheme that its technical problem that solves the utility model adopts is: the fixing and regulating device of eccentric shaft, comprise the eccentric shaft that is provided with big end and threaded stem, the support that is provided with mounting hole and with eccentric shaft on the tightening nut of threaded stem coupling.Eccentric shaft passes the mounting hole on the support and is fixed on the support by tightening nut, be set with the swelling unit that at least two bulging joining sleeves form between the big end of eccentric shaft and the tightening nut, the external diameter of swelling unit and internal diameter respectively with support on the mounting hole internal diameter and the external diameter of eccentric shaft suitable, between two bulging joining sleeves axially stacked and its surface of contact be the inclined-plane.
In technique scheme, can be on eccentric shaft the axial stacked a plurality of swellings unit of suit.
In technique scheme, the surface of contact between the swelling unit also can adopt the inclined-plane.
As to improvement of the technical scheme, be respectively installed with at least one swelling unit at the big end and the axial two ends between the tightening nut of eccentric shaft, be provided with lining between the swelling unit at two ends.
As optimized technical scheme, between above-mentioned two bulging joining sleeves and the axial contact inclined-plane between the adjacent swelling unit preferably adopts conical surface.
The beneficial effects of the utility model are: by the bulging joining sleeve of packing between support mounting hole and eccentric shaft, changed between traditional eccentric shaft and the support mounting hole and directly locked ways of connecting with fastening piece, thereby can be behind the locking tightening nut, utilize the contact inclined-plane between bulging joining sleeve and the swelling unit, make bulging joining sleeve under the effect of axial force, produce radial deformation, eliminate the gap between bulging joining sleeve and eccentric shaft and the support mounting hole, improve eccentric shaft reliability of fixation and installation precision, reduced the manufacture difficulty and the cost of each component.In addition,, unscrew that tightening nut is just rotatable adjusts eccentric shaft to the angle that needs, use and adjust all easily, be suitable in various requirement has the fixed structure of shaft element of radial clearance, not adopting because this bulging joining sleeve do not have self-locking performance.
Description of drawings
Fig. 1 is a cross-sectional view of the present utility model, there is shown the situation of having eliminated radial clearance after eccentric shaft is locked.
Be labeled as among the figure: working surface 1, bulging joining sleeve 2, support 3, lining 4, eccentric shaft 5, bulging joining sleeve 6, tightening nut 7.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, fixing and the regulating device of eccentric shaft of the present utility model, comprise the eccentric shaft 5 that is provided with big end and threaded stem, the support 3 that is provided with mounting hole and with eccentric shaft 5 on the tightening nut 7 of threaded stem coupling, eccentric shaft 5 is fixed on the support 3 by the tightening nut 7 of its big end and screw thread rod end, that is: eccentric shaft 5 passes the mounting hole on the support 3 and is fixed on the support 3 by tightening nut 7.In order after fastening, eccentric shaft 5 not to be moved radially when bearing bigger shearing load, between the big end of eccentric shaft 5 and tightening nut 7, be set with the swelling unit that bulging joining sleeve 2 and bulging joining sleeve 6 form, the external diameter of swelling unit and internal diameter respectively with support 3 on the mounting hole internal diameter and the external diameter of eccentric shaft suitable, axially stacked and its surface of contact is the inclined-plane between bulging joining sleeve 2 and the bulging joining sleeve 6, thereby make its on can swelling support 3 in swelling unit generation resiliently deformable mounting hole and hold eccentric shaft tightly, thereby reach the purpose that improves eccentric shaft 5 reliability of fixation and installation precision.
When locking tightening nut 7, tightening nut 7 is compressing bulging joining sleeve 2 and bulging joining sleeve 6 axially, bulging joining sleeve 2 and bulging joining sleeve 6 are under the effect of axial force, can produce the radial elastic distortion simultaneously, inwardly hold eccentric shaft 5 tightly, mounting hole on the outside swelling support 3, thus form gapless fastening.
When the working surface 1 of eccentric shaft needs to adjust an angle, because the contact inclined-plane between bulging joining sleeve 2 and the bulging joining sleeve 6 does not have self-locking performance, unscrew tightening nut 7, just available spanner is pulled the square tenon of eccentric shaft axle head, thereby makes the angle that eccentric shaft turns to be needed.
In the technique scheme, the swelling unit of suit can be one on the eccentric shaft 5, also can be a plurality of, for example can adopt a plurality of swelling unit shaft to stacked.The swelling unit also can adopt a plurality of bulging joining sleeves 2 and the axial stacked formation of bulging joining sleeve 6 orders.
When adopting a plurality of swelling unit shaft when stacked, the surface of contact between the swelling unit can be the plane, also can adopt the inclined-plane.A plurality of swelling unit shaft are suitable for requiring higher occasion to adopt in reliability and installation precision to stacked structure.
In order to reduce the quantity of swelling unit, can be set with at least one swelling unit at the big end and the axial two ends between the tightening nut 7 of eccentric shaft 5, between the swelling unit at two ends lining 4 is set.Lining 4 also can adopt a plurality of, and a plurality of swellings unit and lining 4 for example are set, and interval axially-aligned between its swelling unit and the lining 4, this structure are suitable for adopting under the long situation of the mounting hole of support 3.
In technique scheme, contact inclined-plane between bulging joining sleeve 2 and the bulging joining sleeve 6 preferably adopts conical surface, so not only make things convenient for fabrication and processing, the radial elastic distortion that while bulging joining sleeve 2 and bulging joining sleeve 6 produce under the effect of axial force is uniform distortion at circumferencial direction, can further improve its eccentric shaft 5 reliability of fixation and installation precision.
Embodiment: as shown in Figure 1, fixing and the regulating device of eccentric shaft of the present utility model, comprise the eccentric shaft 5 that is provided with big end and threaded stem, the support 3 that is provided with mounting hole and with eccentric shaft 5 on the tightening nut 7 of threaded stem coupling, eccentric shaft 5 passes mounting hole on the support 3 and the tightening nut 7 by its big end and screw thread rod end is fixed on the support 3.Big end and the axial two ends between the tightening nut 7 at eccentric shaft 5 are respectively installed with a swelling unit, are provided with lining 4 between two swelling unit.The swelling unit is made of bulging joining sleeve 2 and bulging joining sleeve 6, the external diameter of swelling unit and internal diameter respectively with support 3 on the mounting hole internal diameter and the external diameter of eccentric shaft suitable, between two bulging joining sleeves 2 and the bulging joining sleeve 6 axially stacked and its surface of contact be conical surface.
Claims (5)
1, fixing and the regulating device of eccentric shaft, comprise the eccentric shaft (5) that is provided with big end and threaded stem, be provided with mounting hole support (3) and with eccentric shaft (5) on the tightening nut (7) of threaded stem coupling, eccentric shaft (5) passes the mounting hole on the support (3) and is fixed on the support (3) by tightening nut (7), it is characterized in that: be set with at least two bulging joining sleeves (2 between the big end of eccentric shaft (5) and the tightening nut (7), 6) the swelling unit of Xing Chenging, the external diameter of swelling unit and internal diameter respectively with support (3) on the mounting hole internal diameter and the external diameter of eccentric shaft suitable, two bulging joining sleeves (2,6) axially stacked and its surface of contact is the inclined-plane between.
2, the fixing and regulating device of eccentric shaft as claimed in claim 1 is characterized in that: be set with axially stacked a plurality of swellings unit on the eccentric shaft (5).
3, the fixing and regulating device of eccentric shaft as claimed in claim 2, it is characterized in that: the surface of contact between the swelling unit is the inclined-plane.
4, the fixing and regulating device of eccentric shaft as claimed in claim 1, it is characterized in that: be respectively installed with at least one swelling unit at the big end of eccentric shaft (5) and the axial two ends between the tightening nut (7), be provided with lining (4) between the swelling unit at two ends.
5, according to the fixing and regulating device of claim 1,2,3 or 4 described eccentric shafts, it is characterized in that: described inclined-plane is a conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035537 CN200946620Y (en) | 2006-09-08 | 2006-09-08 | Fixing and regulating device of eccentric axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035537 CN200946620Y (en) | 2006-09-08 | 2006-09-08 | Fixing and regulating device of eccentric axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200946620Y true CN200946620Y (en) | 2007-09-12 |
Family
ID=38733682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620035537 Expired - Fee Related CN200946620Y (en) | 2006-09-08 | 2006-09-08 | Fixing and regulating device of eccentric axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200946620Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141071A (en) * | 2011-04-07 | 2011-08-03 | 杭州前进齿轮箱集团股份有限公司 | Heavy loading shaft push device for hole |
| CN102141074A (en) * | 2011-04-07 | 2011-08-03 | 杭州前进齿轮箱集团股份有限公司 | Swelling-pressure locking round nut of working shaft |
| CN102230503A (en) * | 2011-07-06 | 2011-11-02 | 广州海鸥卫浴用品股份有限公司 | Abrasion-proof rotation structure |
| CN103375469A (en) * | 2012-04-25 | 2013-10-30 | 安徽华菱汽车有限公司 | Gear thermal sleeve positioning tool, engine assembly using gear thermal sleeve positioning tool and automobile |
| CN111075815A (en) * | 2019-12-24 | 2020-04-28 | 安徽博微联控科技有限公司 | Mechanical opposite-insertion locking switching device and method |
-
2006
- 2006-09-08 CN CN 200620035537 patent/CN200946620Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141071A (en) * | 2011-04-07 | 2011-08-03 | 杭州前进齿轮箱集团股份有限公司 | Heavy loading shaft push device for hole |
| CN102141074A (en) * | 2011-04-07 | 2011-08-03 | 杭州前进齿轮箱集团股份有限公司 | Swelling-pressure locking round nut of working shaft |
| CN102141071B (en) * | 2011-04-07 | 2012-10-03 | 杭州前进齿轮箱集团股份有限公司 | Heavy loading shaft push device for hole |
| CN102141074B (en) * | 2011-04-07 | 2012-10-03 | 杭州前进齿轮箱集团股份有限公司 | Swelling-pressure locking round nut of working shaft |
| CN102230503A (en) * | 2011-07-06 | 2011-11-02 | 广州海鸥卫浴用品股份有限公司 | Abrasion-proof rotation structure |
| CN103375469A (en) * | 2012-04-25 | 2013-10-30 | 安徽华菱汽车有限公司 | Gear thermal sleeve positioning tool, engine assembly using gear thermal sleeve positioning tool and automobile |
| CN111075815A (en) * | 2019-12-24 | 2020-04-28 | 安徽博微联控科技有限公司 | Mechanical opposite-insertion locking switching device and method |
| CN111075815B (en) * | 2019-12-24 | 2024-06-04 | 安徽博微联控科技有限公司 | Mechanical opposite-plug locking switching device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |