CN108368925A - Axis nut - Google Patents
Axis nut Download PDFInfo
- Publication number
- CN108368925A CN108368925A CN201680071800.XA CN201680071800A CN108368925A CN 108368925 A CN108368925 A CN 108368925A CN 201680071800 A CN201680071800 A CN 201680071800A CN 108368925 A CN108368925 A CN 108368925A
- Authority
- CN
- China
- Prior art keywords
- axis nut
- nut
- axis
- fixed
- cylindrical member
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
Abstract
The present invention relates to the axis nuts (100) on shaft to be installed in (200), it includes the first fixing device (101 1), has the external screw thread (103 1) for being fixed on the axis nut (100) on internal thread (303)；And second fixing device (101 2), there is the plug segment (103 2) for the axis nut (100) to be fixed to cylindrical member (107).
Description
The present invention relates to for the axis nut on shaft and the method for component to be fixed to axis nut.
It is an object of the invention to improve the mode that component is fixed to axis nut.
This purpose is realized by subject matter of the independent claims.Advantageous embodiment be dependent claims theme,
The description and the appended drawings.
According in a first aspect, the purpose passes through for the axis nut realization on shaft comprising first fixes dress
It sets, there is the external screw thread for axis nut to be fixed to internal thread；And including the second fixing device, have for by axis nut
It is fixed to the plug segment of cylindrical member.By two fixing devices, following technical advantage is realized：One and the same axis nut
It can be fixed to different components in a flexible way.In this fixed setting, in varied situations, only there are one fixed dresses
Setting can use or two fixing devices can use.
In an advantageous embodiment of axis nut, plug segment includes circumferential groove or undercutting.Pass through this mode, example
Such as, following technical advantage is realized：Firm crimping connection is generated.
In another advantageous embodiment of axis nut, groove includes rectangular profile.By this mode, for example, realizing
Following technical advantage：The fastness of crimping connection is further improved.
In another advantageous embodiment of axis nut, plug segment includes the stop part for being delimited for plug segment.Pass through this
One mode, for example, realizing following technical advantage：Cylindrical member can be readily disposed at designated position.
In another advantageous embodiment of axis nut, stop part extends around axis nut.By this mode, for example, real
Following technical advantage is showed：Cylindrical member by uniformly it is straight in a manner of be attached.
In another advantageous embodiment of axis nut, the cylinder boot segment for leading axle nut is arranged in the first fixation dress
It sets between the second fixing device.By this mode, for example, realizing following technical advantage：Axis nut can be in centre bit
The place of setting is guided.
In another advantageous embodiment of axis nut, boot segment includes for annular guiding with the circumferential recess being inserted into.It is logical
This mode is crossed, for example, realizing following technical advantage：Guiding band can be fixed and resist the displacement on axial direction.
In another advantageous embodiment of axis nut, axis nut includes the annular for the leading axle nut in driving device
Guide band.By this mode, for example, realizing following technical advantage：Axis nut can be propped up in entire linear movement
Support.
In another advantageous embodiment of axis nut, guiding band includes slit in the axial direction.By this mode,
For example, realizing following technical advantage：Guiding band can rapidly and easily be attached to axis nut.
In another advantageous embodiment of axis nut, guiding band includes recess, as preventing relative to axis nut
The device of rotation.By this mode, for example, realizing following technical advantage：The position of guiding band is kept fixed.
In another advantageous embodiment of axis nut, guiding band is formed by sliding plastics.By this mode, for example, real
Following technical advantage is showed：Friction between on the inside of axis nut and driving device is reduced.
In another advantageous embodiment of axis nut, the first fixing device is arranged on the first side of axis nut, and the
Two fixing devices are arranged in the second side of axis nut.By this mode, for example, realizing following technical advantage：Axis nut
It can be fixed on both sides.
In another advantageous embodiment of axis nut, axis nut includes cylindrical basic shape.By this mode, for example,
Realize following technical advantage：Axis nut can be guided on the inside of driving device.
In another advantageous embodiment of axis nut, axis nut includes cylindrical member, is pressed, crimping or snaps into plug
Duan Shang.By this mode, for example, realizing following technical advantage：Cylindrical member is fixed in a stable manner.
According to second aspect, by being realized for component to be fixed to the method for axis nut, this method includes the purpose
Following steps：By the way that cylindrical member is fixed to axis nut on plug to plug segment；And it will be another by the external screw thread of axis nut
One component is fixed to axis nut.By this mode, this method provides with according to the identical technical advantage of first aspect.
Exemplary embodiment of the present invention is shown in the accompanying drawings and is being described below with more details.
In the accompanying drawings：
Fig. 1 shows the stereogram of axis nut；
Fig. 2 shows the stereogram of the axis nut with cylindrical member；
Fig. 3 shows the stereogram of the axis nut with carrier member；
Fig. 4 shows the stereogram of the axis nut with guiding band；
Fig. 5 shows the stereogram and sectional view of another axis nut；And
Fig. 6 shows the block diagram of the method for component to be fixed to axis nut.
Fig. 1 shows the stereogram of axis nut 100.Axis nut 100 is also known as travelling nut, is in linear drive technology
The component of trapezoidal screw driving device, ball screw driving device or screw thread axial brake device.Axis nut 100 is disposed in work
For on the shaft 200 with screw thread 201 of axis, such as ball screw.Axis nut 100 is rotatably installed on screw thread 201.It is logical
It crosses rotary shaft 200 and prevents the moving in rotation of axis nut 100, axis nut 100 can in the axial direction be moved up along shaft 200
It is dynamic.Depending on shaft 200, axis nut 100 can have the right hand or Left-hand threads.Axis nut 100 is formed by such as steel.Axis nut
100 are coupled to the removable carrier member in such as handling system.
At one end, axis nut 100 includes the first fixing device 101-1, and band is useful for axis nut 100 is coaxially solid
The fixed external screw thread 103-1 to corresponding internal thread.By external screw thread 103-1, axis nut 100 can be threaded to the interior spiral shell of component
It is fixed in line and from there through arrangement is screwed.
At the other end, axis nut 100 includes the second fixing device 101-2, and band is useful for axis nut 100 coaxially
It is fixed to the plug segment 103-2 of cylindrical member.By plug segment 103-2, cylindrical member can be fixed to axis nut 100.It is first
First, plug segment 103-2 is inserted into the corresponding opening of cylindrical member, and for example by pressing, crimping, extrudings or glues later
It is attached and be fixed.By two fixing devices 101-1 and 101-2, different fixing devices is formed, axis nut 100 can utilize
The different fixing device is fixed in different ways.
Plug segment 103-2 has cylindrical shape, is formed with circumferential groove 109 (for engaging (sticking) connection
Geometric format) or undercutting.Groove 109 is including rectangular profile and to by squeezing or crimping processing is plugged to fix
Cylindrical member.Mobile demarcation is plugged in order to give, forms circumference stop part 111, cylindrical member is located at the backstop after being plugged
On part 111.
During the crimping of cylindrical member 107, the edge plastic deformation in the region of plug segment 103-2, to make
It obtains axis nut 100 and cylindrical member 107 is mechanically connected to each other, such as pass through flange, extruding, curling or folding.
Between the first fixing device 101-1 and the second fixing device 101-2, it is disposed with for (the example in driving device
In electric cylinder) the cylinder boot segment 113 of leading axle nut 100.Boot segment 113 includes for annular guiding with the circumference being inserted into
Recess portion 115, leads to the form matches.Guiding band is fixed axially in the circumferential recess 115 of axis nut 100.
Fig. 2 shows the stereogram of the axis nut 100 with cylindrical member 107 (such as piston rod or pipe).Cylindrical member
107 are pushed out or are expressed on plug segment 103-2 along the axial direction of shaft 200, until the cylindrical member abuts stop part
111.In addition, cylindrical member 107 can block plug segment 103-2, winds or be crimped to thereon.In this way, in cylinder
Firm connection is produced between component 107 and axis nut 100.Axis nut 100 substantially has cylindrical basic shape.
Fig. 3 shows the stereogram of the axis nut 100 with the carrier member 300 as another component.Carrier member 300 includes
Opening 301, is provided with internal thread 303.Fixing device 101-1 with external screw thread 103-1 is turned to carrier member 300
In internal thread 303.External screw thread 103-1 and internal thread 303 include molding dent, it is continuous with helix around cylindrical wall, at
Spirally extend.By turning to external screw thread 103-1 on internal thread 303, axis nut 100 is fixed to carrier member 300.Axis spiral shell
Being transferred to for mother 100 is delimited by stop part.
Fig. 4 shows the stereogram of the axis nut 100 with guiding band 117.Axis nut 100 includes annular guiding band 117,
For the leading axle nut 100 on the inside of cylinder driving device.Guiding band 117 is inserted into circumferential recess 115.In axis nut 100
Axial movement during, guiding band 117 along cylinder driving device interior Slideslip and keep axis nut 100 and shaft 200 steady
It is fixed.
In the axial direction, guiding band 117 includes slit 119, so that the guiding band can during installation process
It is broadened and can be inserted into circumferential recess 115.Guiding band 117 is such as plastic molded parts, by sliding plastics or
Person's composite material is formed.On inside, guiding band 117 includes recess 105, is matched with the complementary protuberance on axis nut 100, and
And to prevent the rotation relative to axis nut 100.Recess 105 be arranged in diametrically with slit 119 on the contrary, so that
The power radially applied can be transferred uniformly.
Fig. 5 shows the stereogram and sectional view of another axis nut 100.Axis nut 100 has substantially cylindrical exterior shape.
Axis nut 100 includes closed annular guiding band 117 and cylindrical member 107.Annular guiding band 117 and later cylindrical member first
107 are pushed through on plug segment 103-2.
Cylindrical member 107 against guiding band 117.Guide band 117 against circumferential ring 121.By this mode, band is guided
117 are fixed and resist the axial displacement between circumferential ring 121 and cylindrical member 107.In external screw thread 103-1 and circumferential ring 121
Between, axis nut 100 includes circumferential groove 123.By the shape, guiding band 117 may be laterally pushed during installation.Circle
On such as crimping to groove 109 of column component 107.
Axis nut 100 can include it is one or more on the outside on radial blind holes.Cylinder blind hole can be used for example as pacifying
Fill auxiliary member.For the purpose of it, can provide hook spanner in blind hole, and use it for applying rotating torque, be used for
Axis nut 100 is screwed on internal thread.
Blind hole may be used as mounting hole.For the purpose of it, straight pin is inserted into blind hole.Anti-rotation device is plugged into
On the pin, and prevent axis nut 100 from being rotated together with shaft 200 and thus influencing to move axially.Anti-rotation device can
It is produced by sliding material (such as plastics).In another situation, the pin of insertion can be used as stop part, for being axial brake device
Stroke delimit.
Fig. 6 shows the block diagram of the method for component to be fixed to axis nut 100.In step S101, cylindrical member
107 on plug to plug segment 103-2 by being coaxially fixed to axis nut 100.The step can include cylindrical member 107
Then by crimping securely or block.
In step s 102, another component 300 is coaxially fixed to axis by the external screw thread 103-1 of axis nut 100
Nut 100.For the purpose of it, external screw thread is rolled in the corresponding internal thread of component 300.
Multifunctional axial nut 100 includes multiple fixed geometric formats on outside and end face.These different fixations are several
What form can be independent or be used in conjunction with, and different components is coupled to axis nut 100.
In theme according to the present invention, all features explained and shown in conjunction with individual embodiment of the invention can be with not
Same combination provides, to realize its advantageous effects simultaneously.
All method and steps can be implemented by using the device for implementing corresponding method step.By the portion for forming this theme
Point feature implement it is functional can be method a method and step.
Protection scope of the present invention is set by claim, and feature that is being explained in not described or being shown in attached drawing
Limitation.
List of reference signs
100 axis nuts
101 fixing devices
103-1 external screw threads
103-2 plug segments
105 recesses
107 cylindrical members
109 grooves
111 stop parts
113 boot segments
115 recess portions
117 guiding bands
119 slits
121 rings
123 grooves
200 shafts
201 screw threads
300 components/carrier member
301 openings
303 internal threads
Claims (15)
1. axis nut (100) of the one kind for being mounted on shaft (200), including：
- the first fixing device (101-1) has the external screw thread for the axis nut (100) to be fixed to internal thread (303)
(103-1)；
- the second fixing device (101-2) has the plug segment for the axis nut (100) to be fixed to cylindrical member (107)
(103-2)。
2. axis nut (100) according to claim 1, it is characterised in that the plug segment (103-2) includes circumferential groove
(109) it or undercuts.
3. axis nut (100) according to claim 2, it is characterised in that the groove (109) has rectangular profile.
4. axis nut (100) according to any one of the preceding claims, it is characterised in that plug segment (103-2) packet
Include the stop part (111) for being delimited for the plug segment (103-2).
5. axis nut (100) according to claim 4, it is characterised in that the stop part (111) surrounds the axis nut
(100) extend.
6. axis nut (100) according to any one of the preceding claims, it is characterised in that in first fixing device
The cylinder boot segment for guiding the axis nut (100) is disposed between (101-1) and second fixing device (101-2)
(113)。
7. axis nut (100) according to claim 5, it is characterised in that the boot segment (113) includes drawing for annular
The circumferential recess (115) that conduction band (117) is inserted into.
8. axis nut (100) according to any one of the preceding claims, it is characterised in that the axis nut (100) includes
Annular guiding band (117) for guiding the axis nut (100) on the inside of cylinder driving device.
9. axis nut (100) according to claim 8, it is characterised in that the guiding band (117) is wrapped in the axial direction
Include slit (119).
10. axis nut (100) according to claim 8 or claim 9, it is characterised in that the guiding band (117) includes recess
(105), it is used as the device for preventing from rotating relative to the axis nut (100).
11. the axis nut (100) according to any one of claim 8 to 10, it is characterised in that guiding band (117) by
Sliding plastics are formed.
12. axis nut (100) according to any one of the preceding claims, it is characterised in that first fixing device
(101-1) is arranged on the first side of the axis nut (100), and second fixing device (101-2) be arranged in it is described
In the second side of axis nut (100).
13. axis nut (100) according to any one of the preceding claims, it is characterised in that axis nut (100) tool
There is cylindrical basic shape.
14. axis nut (100) according to any one of the preceding claims, it is characterised in that axis nut (100) packet
Cylindrical member (107) is included, the cylindrical member (107) is crimped or is snapped into the plug segment (103-2).
15. method of the one kind for component to be fixed to axis nut (100), includes the following steps：
Cylindrical member (107) is fixed into (S101) to the axis nut (100) by plug to plug segment (103-2)；And
Another component (300) is fixed into (S102) to the axis nut by the external screw thread (103-1) of the axis nut (100)
(100)。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015122065 | 2015-12-17 | ||
| DE102015122065.2 | 2015-12-17 | ||
| PCT/EP2016/080960 WO2017102823A1 (en) | 2015-12-17 | 2016-12-14 | Spindle nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108368925A true CN108368925A (en) | 2018-08-03 |
Family
ID=57758571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680071800.XA Pending CN108368925A (en) | 2015-12-17 | 2016-12-14 | Axis nut |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20180094893A (en) |
| CN (1) | CN108368925A (en) |
| DE (1) | DE212016000245U1 (en) |
| WO (1) | WO2017102823A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010037695A1 (en) * | 1996-06-17 | 2001-11-08 | Nsk Ltd | Feed screw device |
| US20050103138A1 (en) * | 2003-11-14 | 2005-05-19 | Chen Chih H. | Screw nut assembly of linear actuation device |
| JP2007155037A (en) * | 2005-12-06 | 2007-06-21 | Thk Co Ltd | Spline device and screw device |
| US20080168852A1 (en) * | 2007-01-16 | 2008-07-17 | Hiwin Mikrosystem Corp. | Nut assembly for linear actuator leadscrew |
| US20120055277A1 (en) * | 2010-09-07 | 2012-03-08 | Timotion Technology Co., Ltd | Linear actuator and safety mechanism for the same |
| US20140312725A1 (en) * | 2011-11-09 | 2014-10-23 | Dewertokin Gmbh | Electric linear drive, in particular for adjusting furniture used for sitting or lying down |
| US20150240923A1 (en) * | 2012-09-18 | 2015-08-27 | Continental Teves AG & C o. oHG | Linear Unit and Method for the Manufacture of a Linear Unit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002225737A (en) * | 2000-11-29 | 2002-08-14 | Ntn Corp | Electric power steering device |
| US20070214902A1 (en) * | 2006-03-17 | 2007-09-20 | T-Motion Technology Co Ltd. | Nut structure for linear transmission device |
| JP5634437B2 (en) * | 2012-05-23 | 2014-12-03 | 株式会社ミツバ | Linear actuator |
-
2016
- 2016-12-14 WO PCT/EP2016/080960 patent/WO2017102823A1/en active Application Filing
- 2016-12-14 KR KR1020187016630A patent/KR20180094893A/en unknown
- 2016-12-14 DE DE212016000245.7U patent/DE212016000245U1/en active Active
- 2016-12-14 CN CN201680071800.XA patent/CN108368925A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010037695A1 (en) * | 1996-06-17 | 2001-11-08 | Nsk Ltd | Feed screw device |
| US20050103138A1 (en) * | 2003-11-14 | 2005-05-19 | Chen Chih H. | Screw nut assembly of linear actuation device |
| JP2007155037A (en) * | 2005-12-06 | 2007-06-21 | Thk Co Ltd | Spline device and screw device |
| US20080168852A1 (en) * | 2007-01-16 | 2008-07-17 | Hiwin Mikrosystem Corp. | Nut assembly for linear actuator leadscrew |
| US20120055277A1 (en) * | 2010-09-07 | 2012-03-08 | Timotion Technology Co., Ltd | Linear actuator and safety mechanism for the same |
| US20140312725A1 (en) * | 2011-11-09 | 2014-10-23 | Dewertokin Gmbh | Electric linear drive, in particular for adjusting furniture used for sitting or lying down |
| US20150240923A1 (en) * | 2012-09-18 | 2015-08-27 | Continental Teves AG & C o. oHG | Linear Unit and Method for the Manufacture of a Linear Unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017102823A1 (en) | 2017-06-22 |
| DE212016000245U1 (en) | 2018-07-20 |
| KR20180094893A (en) | 2018-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Germany Esslingen Applicant after: FESTO Co.,Ltd. Address before: Germany Esslingen Applicant before: FESTO AG & CO. KG |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |
|
| RJ01 | Rejection of invention patent application after publication |