CN106051093A - Lead screw nut easy to demount and mount - Google Patents
Lead screw nut easy to demount and mount Download PDFInfo
- Publication number
- CN106051093A CN106051093A CN201610460775.6A CN201610460775A CN106051093A CN 106051093 A CN106051093 A CN 106051093A CN 201610460775 A CN201610460775 A CN 201610460775A CN 106051093 A CN106051093 A CN 106051093A
- Authority
- CN
- China
- Prior art keywords
- nut
- main body
- hole
- feed screw
- connector
- 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.)
- Granted
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
A lead screw nut easy to demount and mount comprises a nut body. A threaded hole used for being matched with a lead screw is formed in the nut body. The nut body is formed by enabling at least two nut split bodies to approach each other along the threaded hole in the radial direction and be spliced together. The inner surfaces with threads of all the nut split bodies are spliced to form the threaded hole. All the nut split bodies are fastened together by a fastening device in a detachable manner. The fastening device comprises a circumferential limiting structure capable of carrying out circumferential fastening on all the nut split bodies and an axial limiting structure capable of limiting axial relative movement between all the nut split bodies. During maintenance, a damaged nut can be directly demounted simply by demounting the fastening device and replaced with a new one, all devices at one end of the lead screw do not need to be demounted, the integrity of the structure is kept to the greatest extent, and nut maintenance is more convenient; and meanwhile structure loosening caused by repeated demounting can be effectively avoided.
Description
Technical field
The present invention relates to a kind of feed screw nut pair, particularly relate to a kind of detachable mounted feed screw nut.
Background technology
Feed screw nut pair is lathe and other mechanical important actuating device with instrument.Owing to feed screw nut pair can will rotate
Motion is converted to linear motion, is greatly reduced bus door, train door open and close shared by space, therefore by
It is widely used in vehicle doorn open and close system.But owing to vehicle doorn opening and closing campaign is frequent, feed screw nut is easily damaged, in maintenance more
After needing the when of changing all to dismantle the device on screw mandrel one end, nut could exit from this one end, complex steps, complicated.
Chinese utility model patent such as Patent No. ZL200620164853.X (notification number is CN200993207Y)
" a kind of feed screw nut auxiliary structure " discloses the integrated nut that such a is set on leading screw, although this pair of nut structure letter
Single, but installation and maintenance process bother the most very much.
Summary of the invention
The technical problem to be solved is to provide a kind of detachable mounted silk for above-mentioned prior art present situation
Stem nut.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of detachable mounted feed screw nut, including
One nut main body, this nut main body offers the screwed hole for coordinating with screw mandrel, it is characterised in that described nut main body by
At least two nut split radially proximates along described screwed hole and stitched together forms, all nut splits screwed
Inner surface has then pieced together described screwed hole, and, all of nut split by a clamp device in removable mode
Tighten together.
As improvement, described nut main body is put together by two nut splits, and the mating surface of the two is described screw thread
The axial plane in hole.Nut main body is divided into two nut splits along axial plane, it is possible, firstly, to reduce the number of components of nut, makes
Simple in construction；Secondly, convenient clamp nut split when, the relative position between nut split the most more preferably controls.
Improve again, described clamp device include can all nut splits being carried out circumference fastening circumferential position limiting structure and
The axial limit structure of axially opposing movement between all nut splits can be limited.Clamp device can be from circumferential and axial
Nut split is carried out spacing, prevents from occurring between nut split relative motion, and then the effect of nut main body can not be played.
Improving, described circumference position limiting structure includes the nut sleeve of an opening again, and opening part is then connected by a connector, nut
Set wraps up the periphery wall of described nut main body together with connector, thus described all of nut split carries out circumference limit
Position.Wrap nut main body by nut sleeve and connector, limit the circumferential movement of nut split, so that it is guaranteed that all nuts divide
Screwed inner surface on body can piece together screwed hole, is coordinated by nut sleeve and connector, when fastening very
Convenient.
Improving, described axial limit structure includes being arranged on the radial direction convex tendon on described nut main body periphery wall and setting again
The groove coordinated with convex tendon on described clamp device or hole, location.The groove or the hole, location that by convex tendon and coordinate with convex tendon can
To limit relative motion axial between nut split, prevent nut split screwed hole female thread front-back staggered vertically.
Improving, described nut main body is in terms of its cross section, and its periphery wall is generally rectangular again, and described nut sleeve parcel is described
The roof of nut main body and the two side adjacent with roof, the diapire of the most corresponding described nut main body of described connector.Nut
The cross section of main body is generally rectangular, has four advantages, and one, sheathed nut sleeve when, it is not necessary to by nut sleeve two ends
That draws opens very much, only just can need to be set on the periphery wall of nut main body by less elastic deformation, reduces nut sleeve unnecessary
Elastic deformation, thus increase the service life of nut sleeve；Its two, rectangle has smooth roof, when sheathed nut sleeve,
Convenient to nut sleeve applying active force；Its three, the drift angle of rectangle nut split is circumferentially rotated also rise one limit make
With, limit the relative rotary motion between nut sleeve and nut split；Its four, the drift angle of rectangle through rounding process after, nut
Set is more abundant with nut main body parcel, can reach more preferable fastening effect.
Improve again, the two side of described nut main body and diapire be equipped with convex tendon radially, and described nut sleeve
Two side is provided with the hole, location that the convex tendon that can just hold on described nut main body sidewall snaps in, on the upper surface of described connector
Being provided with the groove that the convex tendon that can just hold on described nut main body diapire snaps in, the cooperation of these convex tendons and hole, location and groove is i.e.
Define described axial limit structure.The groove that by convex tendon and coordinates with convex tendon or hole, location can limit nut split it
Between axial relative motion, prevent nut split screwed hole female thread front-back staggered vertically.
Improving, described connector has through hole radially, the bottom side of the two side of described nut sleeve has with described
The fixing hole that through hole is adaptive, bolt through the hole on described through hole and described nut sleeve by tight to described nut sleeve and connector
Gu together.Above-mentioned for connecting one of fixing mode, this fixed form is simple to operation and fixation.Certainly other can
The fixed form of dismounting is equally applicable, such as, use screw to be fixed on connector at two ends, nut sleeve two side.
Finally improving, the bottom of described connector is provided with the union joint for connecting miscellaneous part.Union joint and connector
One-body molded, it is used for connecting miscellaneous part, greatly simplified overall structure.
Compared with prior art, it is an advantage of the current invention that nut main body is divided at least two nut split, nut divides
Body is tightened together by clamp device, maintenance when, clamp device only need to carry out dismounting and just can directly unload damage
Bad nut, changes first-class nut, it is not necessary to dismantles all devices of screw mandrel one end, is maximally maintained structure
Integrity, makes nut maintenance convenient, is prevented effectively from the connection loosing caused because repeatedly dismantling simultaneously.
Accompanying drawing explanation
Fig. 1 is the feed screw nut's STRUCTURE DECOMPOSITION figure in the embodiment of the present invention；
Fig. 2 is the feed screw nut's constitutional diagram in Fig. 1；
Fig. 3 is that the feed screw nut in Fig. 2 uses state diagram；
In figure: nut main body 1；Screwed hole 11；Rounding 12；Nut split 13；Roof 14；Main body wall 15；Diapire 16；Convex
Muscle 17；Nut sleeve 2；Hole 21, location；Fixing hole 22；Nut sleeve sidewall 23；Connector 3；Upper surface 31；Groove 32；Through hole 33；Even
Joint 34；Bolt 4；Screw mandrel 5.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As Figure 1-3, for a preferred embodiment of the present invention.
As in figure 2 it is shown, a kind of detachable mounted feed screw nut, including a nut main body 1, this nut main body 1 offers
For the screwed hole 11 coordinated with screw mandrel.Nut main body 1 is in terms of its cross section, and its periphery wall is generally rectangular, the drift angle of rectangle
Place is provided with rounding 12.
As it is shown in figure 1, nut main body 1 is put together by two nut splits 13, and the mating surface of the two is described screw thread
The axial plane in hole 11.Nut split 13 is tightened together by clamp device, and clamp device includes nut sleeve 2, connector 3, bolt
4。
Wrap nut main body 1 by nut sleeve 2 and connector 3, limit the circumferential movement of nut split 13, so that it is guaranteed that
Screwed hole 11 after all nut splits 13 are stitched together is complete, is coordinated by both nut sleeve 2 and connector 3, when fastening
The most convenient.
Nut main body 1 is divided into two nut splits 13 along axial plane, it is possible, firstly, to reduce the number of components of nut, makes
Simple in construction；Secondly, convenient clamp nut split 13 when, the relative position between nut split 13 is the most more preferably controlled
System.
Nut sleeve 2 wraps up roof 14 and two main body wall 15 adjacent with roof, the connector 3 of described nut main body 1
Then below the diapire 16 of corresponding nut main body 1.
Convex tendon 17 radially it is equipped with in two main body wall 15 of nut main body 1 and diapire 16, the both sides of nut sleeve 2
Nut sleeve sidewall 23 is provided with the hole, location 21 that the convex tendon 17 that can just hold on nut main body sidewall 15 snaps in, connector 3 upper
Surface 31 is provided with the groove 32 that the convex tendon 17 that can just hold on nut main body 1 diapire 16 snaps in.
The groove 32 or the hole 21, location that by convex tendon 17 and coordinate with convex tendon 17 can limit between nut split 13 axial
Relative motion, prevent nut split 13 screwed hole female thread front-back staggered vertically.
Having through hole 33 radially on connector 3, the bottom side of the nut sleeve sidewall of the both sides of nut sleeve 2 has logical with described
The fixing hole 22 of hole 33 adaptation, bolt 4 through the fixing hole 22 on described through hole 33 and described nut sleeve by described nut
Set 2 and connector 3 tighten together.
Above-mentioned for connecting one of fixing mode, this fixed form is simple to operation and fixation.Certainly other can
The fixed form of dismounting is equally applicable, such as, use screw that 2 liang of nut sleeve sidewall 23 two ends of nut sleeve are fixed to connector 3
On.
The bottom of connector 3 is provided with the union joint 34 for connecting miscellaneous part.Union joint 34 becomes with connector 3 one
Type, is used for connecting miscellaneous part, greatly simplified overall structure.
The cross section of nut main body 1 is generally rectangular, has four advantages, one, sheathed nut sleeve 2 when, and nothing
That need to be drawn at nut sleeve 2 two ends opens very much, only just can need to be set on the periphery wall of nut main body 1 by less elastic deformation,
Reduce the elastic deformation that nut sleeve 2 is unnecessary, thus increase the service life of nut sleeve 2；Its two, rectangle has smooth roof
14, when sheathed nut sleeve 2, apply active force by roof 14 is convenient to nut sleeve 2；Its three, the drift angle pair of rectangle
Circumferentially rotating of nut split 13 also plays a restriction effect, limits and rotates against fortune between nut sleeve 2 and nut split 13
Dynamic；Its four, the drift angle of rectangle is after rounding processes, and nut sleeve 2 is more abundant with nut main body 1 parcel, fixing more firm
Gu.
The state that a kind of detachable mounted feed screw nut is arranged on screw mandrel is as it is shown on figure 3, connect by union joint 34 is fixing
Connecing miscellaneous part, feed screw nut moves back and forth on screw mandrel 17.
Maintenance when, it is only necessary to the nut main body 1 of damage just can be removed by demounting bolt 4, it is not necessary to dismounting screw mandrel
Other devices at 17 two ends.
Although the preferred embodiments of the present invention described in detail above, it is to be clearly understood that for this area
Technical staff for, the present invention can have various modifications and variations.Such as: attachment means is only nut sleeve and bolt, with upper
Stating the different place of embodiment is to be opened on nut main body by through hole, saves the structure of a connector.All the present invention's
Any modification, equivalent substitution and improvement etc. made within spirit and principle, should be included within the scope of the present invention.
Claims (9)
1. a detachable mounted feed screw nut, including a nut main body, this nut main body offers for coordinating with screw mandrel
Screwed hole, it is characterised in that described nut main body by least two nut split along described screwed hole radially proximate and split exist
Forming together, the screwed inner surface of all nut splits has then pieced together described screwed hole, and, all of nut
Split is tightened together in removable mode by a clamp device.
Detachable mounted feed screw nut the most according to claim 1, it is characterised in that described nut main body is by two nuts
Split is put together, and the axial plane that the mating surface of the two is described screwed hole.
Detachable mounted feed screw nut the most according to claim 1 and 2, it is characterised in that: described clamp device includes energy
Enough circumferential position limiting structures that all nut splits are carried out circumference fastening and the axial phase that can limit between all nut splits
Axial limit structure to movement.
Detachable mounted feed screw nut the most according to claim 3, it is characterised in that described circumference position limiting structure includes one
The nut sleeve of opening, opening part is then connected by a connector, and nut sleeve is wrapped up outside described nut main body together with connector
Perisporium, thus it is spacing that described all of nut split carries out circumference.
Detachable mounted feed screw nut the most according to claim 3, it is characterised in that described axial limit structure includes setting
Put the radial direction convex tendon on described nut main body periphery wall and be arranged on described clamp device the groove coordinated with convex tendon or fixed
Hole, position.
Detachable mounted feed screw nut the most according to claim 4, it is characterised in that described nut main body is from its cross section
Seeing, its periphery wall is generally rectangular, and described nut sleeve wraps up the roof of described nut main body and the two side adjacent with roof, and
The diapire of the most corresponding described nut main body of described connector.
Detachable mounted feed screw nut the most according to claim 6, it is characterised in that the two side of described nut main body and
It is equipped with convex tendon radially on diapire, and the two side of described nut sleeve is provided with and can just hold on described nut main body sidewall
The hole, location that snaps in of convex tendon, the upper surface of described connector is provided with the convex tendon card that can just hold on described nut main body diapire
The groove entered, the cooperation of these convex tendons and hole, location and groove i.e. defines described axial limit structure.
Detachable mounted feed screw nut the most according to claim 7, it is characterised in that have on described connector radially
Through hole, the fixing hole that the bottom side of the two side of described nut sleeve has and described through hole is adaptive, bolt through described through hole and
Hole in described nut sleeve and described nut sleeve and connector are tightened together.
Detachable mounted feed screw nut the most according to claim 8, it is characterised in that the bottom of described connector is provided with use
In the union joint connecting miscellaneous part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610460775.6A CN106051093B (en) | 2016-06-21 | 2016-06-21 | A kind of detachable mounted feed screw nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610460775.6A CN106051093B (en) | 2016-06-21 | 2016-06-21 | A kind of detachable mounted feed screw nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106051093A true CN106051093A (en) | 2016-10-26 |
| CN106051093B CN106051093B (en) | 2019-02-22 |
Family
ID=57169180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610460775.6A Active CN106051093B (en) | 2016-06-21 | 2016-06-21 | A kind of detachable mounted feed screw nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106051093B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290759A (en) * | 2018-10-16 | 2019-02-01 | 南京华熔智能科技有限公司 | It is a kind of to realize the device loaded and unloaded between automation equipment and guide rail |
| CN112427570A (en) * | 2020-11-24 | 2021-03-02 | 中冶建工集团有限公司 | Reinforcing bar straightening ring cover removes drive arrangement |
| CN114273879A (en) * | 2022-01-19 | 2022-04-05 | 浙江亚微精密机床有限公司 | Gap machining method of static pressure lead screw pair |
| CN115252097A (en) * | 2022-07-27 | 2022-11-01 | 中国人民解放军空军军医大学 | Auxiliary supporting device for bone fracture |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000640A (en) * | 1988-03-28 | 1991-03-19 | Haas Jr Edward T | Split nut |
| JP2004360740A (en) * | 2003-06-03 | 2004-12-24 | Shoki:Kk | Composite nut, and method for supporting support plate using the composite nut |
| JP2011163562A (en) * | 2011-05-20 | 2011-08-25 | Nippon Pillar Packing Co Ltd | Split seal ring |
| KR20120015990A (en) * | 2011-03-28 | 2012-02-22 | 임남규 | Separate nut |
| CN102494001A (en) * | 2011-11-14 | 2012-06-13 | 河北科技大学 | Separated-type fastening device |
| JP2014020504A (en) * | 2012-07-20 | 2014-02-03 | Betekku:Kk | Nut |
| US8794892B1 (en) * | 2011-06-21 | 2014-08-05 | The United States Of America As Represented By The Secretary Of The Navy | Torque nut assembly |
| CN204186746U (en) * | 2014-10-29 | 2015-03-04 | 浙江明泰标准件有限公司 | Novel regulating nut |
| CN205173184U (en) * | 2015-07-30 | 2016-04-20 | 河南平高电气股份有限公司 | Split type nut |
| CN205678081U (en) * | 2016-06-21 | 2016-11-09 | 宁波中车时代传感技术有限公司 | A kind of detachable mounted feed screw nut |
-
2016
- 2016-06-21 CN CN201610460775.6A patent/CN106051093B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000640A (en) * | 1988-03-28 | 1991-03-19 | Haas Jr Edward T | Split nut |
| JP2004360740A (en) * | 2003-06-03 | 2004-12-24 | Shoki:Kk | Composite nut, and method for supporting support plate using the composite nut |
| KR20120015990A (en) * | 2011-03-28 | 2012-02-22 | 임남규 | Separate nut |
| JP2011163562A (en) * | 2011-05-20 | 2011-08-25 | Nippon Pillar Packing Co Ltd | Split seal ring |
| US8794892B1 (en) * | 2011-06-21 | 2014-08-05 | The United States Of America As Represented By The Secretary Of The Navy | Torque nut assembly |
| CN102494001A (en) * | 2011-11-14 | 2012-06-13 | 河北科技大学 | Separated-type fastening device |
| JP2014020504A (en) * | 2012-07-20 | 2014-02-03 | Betekku:Kk | Nut |
| CN204186746U (en) * | 2014-10-29 | 2015-03-04 | 浙江明泰标准件有限公司 | Novel regulating nut |
| CN205173184U (en) * | 2015-07-30 | 2016-04-20 | 河南平高电气股份有限公司 | Split type nut |
| CN205678081U (en) * | 2016-06-21 | 2016-11-09 | 宁波中车时代传感技术有限公司 | A kind of detachable mounted feed screw nut |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290759A (en) * | 2018-10-16 | 2019-02-01 | 南京华熔智能科技有限公司 | It is a kind of to realize the device loaded and unloaded between automation equipment and guide rail |
| CN112427570A (en) * | 2020-11-24 | 2021-03-02 | 中冶建工集团有限公司 | Reinforcing bar straightening ring cover removes drive arrangement |
| CN114273879A (en) * | 2022-01-19 | 2022-04-05 | 浙江亚微精密机床有限公司 | Gap machining method of static pressure lead screw pair |
| CN114273879B (en) * | 2022-01-19 | 2022-11-18 | 浙江亚微精密机床有限公司 | Gap machining method of static pressure lead screw pair |
| CN115252097A (en) * | 2022-07-27 | 2022-11-01 | 中国人民解放军空军军医大学 | Auxiliary supporting device for bone fracture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106051093B (en) | 2019-02-22 |
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