CN106051093B - A kind of detachable mounted feed screw nut - Google Patents
A kind of detachable mounted feed screw nut Download PDFInfo
- Publication number
- CN106051093B CN106051093B CN201610460775.6A CN201610460775A CN106051093B CN 106051093 B CN106051093 B CN 106051093B CN 201610460775 A CN201610460775 A CN 201610460775A CN 106051093 B CN106051093 B CN 106051093B
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- China
- Prior art keywords
- nut
- main body
- connector
- fissions
- hole
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
A kind of detachable mounted feed screw nut, including a nut main body, the threaded hole for cooperating with screw rod is offered on the nut main body, the nut main body is radially proximated and is stitched and fastened along the threaded hole by least two nut fissions, the screwed inner surface of all nut fissions has then pieced together the threaded hole, also, all nut fissions are tightened together in a manner of removable by a clamp device.The clamp device includes the circumferential position limiting structure that can be circumferentially fastened to all nut fissions and the axial limit structure that can limit the axially opposing movement between all nut fissions.When maintenance, the nut that can directly unload damage need to be only dismantled to clamp device, replace first-class nut, it is dismantled without all devices to screw rod one end, it is maximally maintained the integrality of structure, keep nut maintenance more convenient, while can effectively avoid the connection loosing because caused by dismantling repeatedly.
Description
Technical field
The present invention relates to a kind of feed screw nut pairs, more particularly to a kind of detachable mounted feed screw nut.
Background technique
Feed screw nut pair is the important transmission device of lathe and other machinery and instrument.Since feed screw nut pair can will rotate
Movement is converted to linear motion, is greatly reduced bus door, and train door opens and closes shared space, therefore quilt
It is widely used in vehicle doorn open and close system.But frequently due to vehicle doorn opening and closing movement, feed screw nut is easily damaged, and is repairing more
It is needed when changing by after the device on screw rod one end all disassembly, nut could be exited from this one end, complex steps, complicated.
Such as the Chinese utility model patent of a Patent No. ZL200620164853.X (notification number CN200993207Y)
" a kind of feed screw nut auxiliary structure " discloses such a integrated nut being set on lead screw, although the nut auxiliary structure letter
It is single, but installation and maintenance process are very troublesome.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of detachable mounted silk for above-mentioned state of the art
Stem nut.
The technical scheme of the invention to solve the technical problem is: a kind of detachable mounted feed screw nut, including
One nut main body offers the threaded hole for cooperating with screw rod on the nut main body, it is characterised in that the nut main body by
At least two nut fissions are radially proximated and are stitched and fastened along the threaded hole, seperated screwed of all nuts
Inner surface has then pieced together the threaded hole, also, all nut fissions by a clamp device in a manner of removable
It tightens together.
As an improvement, the nut main body is put together by two nut fissions, and the mating surface of the two is the screw thread
The axial plane in hole.Nut main body is divided into two nut fissions along axial plane to be made it is possible, firstly, to reduce the number of components of nut
Structure is simple;Secondly, more convenient when fastening nut fission, the relative position between nut fission is also more preferably controlled.
Improve again, the clamp device include can to circumferential position limiting structure that all nut fissions are circumferentially fastened and
The axial limit structure of the axially opposing movement between all nut fissions can be limited.Clamp device can be from circumferential and axial
Nut fission is limited, prevents from that relative motion occurs between nut fission, and then the effect of nut main body cannot be played.
It improves again, the circumferential direction position limiting structure includes the nut set of an opening, and opening is then connected by a connector, nut
Set and connector wrap up the periphery wall of the nut main body together, to carry out circumferential limit to all nut fissions
Position.Nut main body is wrapped by nut set and connector, limits the circumferential movement of nut fission, so that it is guaranteed that all nuts point
Screwed inner surface on body can piece together threaded hole, by the cooperation of both nut set and connectors, very in fastening
It is convenient.
It improves again, the axial limit structure includes the radial convex ribs being arranged on the nut main body periphery wall and setting
The groove or location hole cooperated on the clamp device with convex ribs.And it can with the groove of convex ribs cooperation or location hole by convex ribs
To limit relative motion axial between nut fission, prevent nut fission threaded hole internal screw thread edge from misplacing axially back and forth.
It improves again, for the nut main body in terms of its cross section, periphery wall is generally rectangular, described in the nut set package
The roof of nut main body and the two sidewalls adjacent with roof, and the connector then corresponds to the bottom wall of the nut main body.Nut
The cross section of main body is generally rectangular, and there are four advantages for tool, first, when being arranged nut set, it is not necessary that nut is covered both ends
That draws opens very much, need to can be only set on the periphery wall of nut main body by lesser flexible deformation, and it is unnecessary to reduce nut set
Flexible deformation, thus increase nut set service life;Second, rectangle has smooth roof, when being arranged nut set,
More convenient cover to nut applies active force;Make third, the apex angle of rectangle also plays a restriction to seperated the circumferentially rotating of nut
With limitation nut covers the relative rotary motion between seperated with nut;Fourth, the apex angle of rectangle is after rounding is handled, nut
Set is more abundant with nut main body package, can reach better fastening effect.
It improves again, is equipped with radial convex ribs on the two sidewalls of the nut main body and bottom wall, and the nut set
Two sidewalls, which are equipped with, can just hold the location hole that the convex ribs on the nut main body side wall are caught in, on the upper surface of the connector
Equipped with the groove that the convex ribs that can just hold on the nut main body bottom wall are caught in, the cooperation of these convex ribs and location hole and groove is
Form the axial limit structure.By convex ribs and with convex ribs cooperation groove or location hole can limit nut it is seperated it
Between axial relative motion, prevent nut fission threaded hole internal screw thread along misplacing axially back and forth.
Improve again, be provided with radial through-hole on the connector, the bottom side of the two sidewalls of the nut set be provided with it is described
The fixation hole of through-hole adaptation, bolt are tight by nut set and connector across the through-hole and the upper hole of nut set
Gu together.Above-mentioned one of the mode to be connected and fixed, the fixed form is simple to operation and fixation.Certainly other can
The fixed form of disassembly is equally applicable, such as nut set two sidewalls both ends are fixed on connector using screw.
It finally improves, the lower part of the connector is equipped with the connector for connecting other component.Connector and connector
It is integrally formed, for connecting other component, greatly simplified overall structure.
Compared with the prior art, the advantages of the present invention are as follows nut main bodies to be divided at least two nuts fission, nut point
Body is tightened together by clamp device, and when maintenance, need to only dismantle to clamp device can directly unload damage
Bad nut replaces first-class nut, dismantles without all devices to screw rod one end, is maximally maintained structure
Integrality keeps nut maintenance more convenient, while effectively avoiding the connection loosing because caused by dismantling repeatedly.
Detailed description of the invention
Fig. 1 is feed screw nut's structural exploded view in the embodiment of the present invention;
Fig. 2 is feed screw nut's constitutional diagram in Fig. 1;
Fig. 3 is feed screw nut's usage state diagram in Fig. 2;
In figure: nut main body 1;Threaded hole 11;Rounding 12;Nut fission 13;Roof 14;Main body wall 15;Bottom wall 16;It is convex
Muscle 17;Nut set 2;Location hole 21;Fixation hole 22;Nut covers side wall 23;Connector 3;Upper surface 31;Groove 32;Through-hole 33;Even
Connector 34;Bolt 4;Screw rod 5.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1-3, being a preferred embodiment of the present invention.
As shown in Fig. 2, a kind of detachable mounted feed screw nut, including a nut main body 1, offered on the nut main body 1
Threaded hole 11 for cooperating with screw rod.For nut main body 1 in terms of its cross section, periphery wall is generally rectangular, the apex angle of rectangle
Place is equipped with rounding 12.
As shown in Figure 1, nut main body 1 is put together by two nut fissions 13, and the mating surface of the two is the screw thread
The axial plane in hole 11.Nut fission 13 is tightened together by clamp device, and clamp device includes that nut covers 2, connector 3, bolt
4。
Nut main body 1 is wrapped by nut set 2 and connector 3, limits the circumferential movement of nut fission 13, so that it is guaranteed that
Threaded hole 11 after all nut fissions 13 are stitched together is complete, is cooperated by both nut set 2 and connector 3, in fastening
It is very convenient.
Nut main body 1 is divided into two nut fissions 13 along axial plane to be made it is possible, firstly, to reduce the number of components of nut
Structure is simple;Secondly, more convenient when fastening nut fission 13, the relative position between nut fission 13 is also more preferably controlled
System.
The roof 14 of the 2 package nut main body 1 of nut set and two main body walls 15 adjacent with roof, connector 3
Then below the bottom wall 16 of corresponding nut main body 1.
Radial convex ribs 17 are equipped in two main body walls 15 and bottom wall 16 of nut main body 1, the two sides of nut set 2
Nut set side wall 23, which is equipped with, can just hold the location hole 21 that the convex ribs 17 on nut main body side wall 15 are caught in, connector 3 it is upper
Surface 31, which is equipped with, can just hold the groove 32 that the convex ribs 17 on 1 bottom wall 16 of nut main body are caught in.
It can be limited by convex ribs 17 and with the groove 32 of the cooperation of convex ribs 17 or location hole 21 axial between nut seperated 13
Relative motion, prevent 13 threaded hole internal screw thread of nut fission along misplacing axially back and forth.
Radial through-hole 33 is provided on connector 3, the bottom side of the nut set side wall of the two sides of nut set 2 is provided with to be led to described
The fixation hole 22 that hole 33 is adapted to, bolt 4 pass through the through-hole 33 and the nut cover upper fixation hole 22 and by the nut
Set 2 and connector 3 tighten together.
Above-mentioned one of the mode to be connected and fixed, the fixed form is simple to operation and fixation.Certainly other can
The fixed form of disassembly is equally applicable, such as nut is covered 2 liang of nut set 23 both ends of side wall using screw and is fixed to connector 3
On.
The lower part of connector 3 is equipped with the connector 34 for connecting other component.Connector 34 and the one of connector 3 at
Type greatly simplified overall structure for connecting other component.
The cross section of nut main body 1 is generally rectangular, and there are four advantages for tool, first, when being arranged nut set 2, nothing
Nut need to be covered to opening very much for 2 both ends drawing, need to can be only set in by lesser flexible deformation on the periphery wall of nut main body 1,
Reduce nut and cover 2 unnecessary flexible deformations, to increase the service life of nut set 2;Second, rectangle has smooth roof
14, when being arranged nut set 2, apply active force to nut set 2 by the way that roof 14 is more convenient;Third, the apex angle pair of rectangle
Circumferentially rotating for nut fission 13 also plays a restriction effect, and limitation nut covers the relative rotation fortune between 2 seperated with nut 13
It is dynamic;Fourth, the apex angle of rectangle, after rounding is handled, nut set 2 is more abundant with the package of nut main body 1, and fixation is more firm
Gu.
A kind of detachable mounted feed screw nut is mounted on the state on screw rod as shown in figure 3, connecting by the way that connector 34 is fixed
Other component is connect, feed screw nut moves back and forth on screw rod 17.
When maintenance, it is only necessary to which demounting bolt 4 can remove the nut main body 1 of damage, without dismantling screw rod
Other devices at 17 both ends.
Although the preferred embodiment of the present invention has been described in detail above, it is to be clearly understood that for this field
Technical staff for, the invention may be variously modified and varied.Such as: attachment device is only nut set and bolt, and upper
Stating the different place of embodiment is that through-hole is provided on nut main body, saves the structure of a connector.It is all of the invention
Any modification, equivalent replacement, improvement and so within spirit and principle, should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of detachable mounted feed screw nut, including a nut main body, offer on the nut main body for cooperating with screw rod
Threaded hole, it is characterised in that the nut main body by least two nut fissions along the threaded hole radially proximate and split exist
It forms together, the screwed inner surface of all nut fissions has then pieced together the threaded hole, also, all nuts
Fission is tightened together in a manner of removable by a clamp device;The clamp device includes can be seperated to all nuts
The circumferential position limiting structure that is circumferentially fastened and the axial limiting that the axially opposing movement between all nuts fissions can be limited
Structure;
The circumferential direction position limiting structure includes the nut set of an opening, and opening is then connected by a connector, nut set and connector
The periphery wall of the nut main body is wrapped up together, to carry out circumferential limit to all nut fissions.
2. detachable mounted feed screw nut according to claim 1, it is characterised in that the nut main body is by two nuts
Fission is put together, and the mating surface of the two is the axial plane of the threaded hole.
3. detachable mounted feed screw nut according to claim 1, it is characterised in that the axial limit structure includes setting
It sets the radial convex ribs on the nut main body periphery wall and the groove cooperated on the clamp device with convex ribs or fixed is set
Position hole.
4. detachable mounted feed screw nut according to claim 1, it is characterised in that the nut main body is from its cross section
It sees, periphery wall is generally rectangular, and the nut set wraps up the roof of the nut main body and the two sidewalls with roof adjoining, and
The connector then corresponds to the bottom wall of the nut main body.
5. detachable mounted feed screw nut according to claim 4, it is characterised in that the two sidewalls of the nut main body and
It is equipped with radial convex ribs on bottom wall, and the two sidewalls of the nut set are equipped with and can just hold on the nut main body side wall
The location hole that is caught in of convex ribs, the upper surface of the connector is equipped with the convex ribs card that can just hold on the nut main body bottom wall
The cooperation of the groove entered, these convex ribs and location hole and groove forms the axial limit structure.
6. detachable mounted feed screw nut according to claim 5, it is characterised in that be provided on the connector radial
Through-hole, the bottom side of the two sidewalls of nut set are provided with fixation hole be adapted to the through-hole, bolt pass through the through-hole with
The nut covers upper hole and nut set and connector tightens together.
7. detachable mounted feed screw nut according to claim 6, it is characterised in that the lower part of the connector, which is equipped with, to be used
In the connector of connection other component.
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 |
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CN106051093A CN106051093A (en) | 2016-10-26 |
CN106051093B true CN106051093B (en) | 2019-02-22 |
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CN201610460775.6A Active CN106051093B (en) | 2016-06-21 | 2016-06-21 | A kind of detachable mounted feed screw nut |
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CN (1) | CN106051093B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
CN112427570B (en) * | 2020-11-24 | 2022-08-26 | 中冶建工集团有限公司 | Pile head reinforcing steel bar straightening device with straightening ring sleeve moving driving mechanism |
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 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5000640A (en) * | 1988-03-28 | 1991-03-19 | Haas Jr Edward T | Split 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 |
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 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4141900B2 (en) * | 2003-06-03 | 2008-08-27 | 有限会社翔輝 | COMPOSITE NUT AND METHOD FOR SUPPORTING SUPPORT PLATE USING COMPOSITE 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 |
-
2016
- 2016-06-21 CN CN201610460775.6A patent/CN106051093B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5000640A (en) * | 1988-03-28 | 1991-03-19 | Haas Jr Edward T | Split 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 |
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 |
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CN106051093A (en) | 2016-10-26 |
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