CN206175591U - Screw nut that can realize quick travel is vice - Google Patents
Screw nut that can realize quick travel is vice Download PDFInfo
- Publication number
- CN206175591U CN206175591U CN201621229607.8U CN201621229607U CN206175591U CN 206175591 U CN206175591 U CN 206175591U CN 201621229607 U CN201621229607 U CN 201621229607U CN 206175591 U CN206175591 U CN 206175591U
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- China
- Prior art keywords
- pin
- threaded sleeve
- central shaft
- slide head
- hole
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- Expired - Fee Related
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Abstract
The utility model relates to a mechanical transmission mechanism field especially relates to a screw nut that can realize quick travel is vice. The utility model provides an it is enough that go on fast or feed movement's screw nut is vice at a slow speed. Its technical scheme: a screw nut that can realize quick travel is vice, includes the center pin, is provided with the pinhole on the center pin, and the pinhole in -connection has the spring, and the other end of spring is connected with the locating pin, cup joint threaded sleeve pipe on the center pin, be provided with a plurality of through -holes that are used for the block locating pin on the threaded bush, screw thread casing thread is connected with the nut, the locating pin includes connector and slide head, the one end and the spring coupling of connector, and the other end of connector is connected with the one end of slide head, two sides that the slide head is on a parallel with the center pin axis are the plane, and two sides of slide head perpendicular to center pin axis connect into a curved surface with the top surface of slide head. The utility model is suitable for a screw nut that can realize quick travel is vice.
Description
Technical field
The utility model is related to mechanical transmission mechanism field, more particularly to a kind of feed screw nut for being capable of achieving quick movement
It is secondary.
Background technology
Screw pair is the important transmission device of lathe and other machinery and instrument.Convert rotational motion into play
The accurate gearing of linear motion.Drive mechanism is connected with leading screw, during work, drive mechanism drives leading screw to rotate, and leads to
Cross control nut not rotate with leading screw, you can realize that nut is moved in leading screw axis direction, realize conventional feeding at a slow speed
Motion.
When screw pair is used for larger-size workpiece, Motor execution part is needed rapidly forward or to be moved back by
It is dynamic, to save processing non-cutting time.The structure of existing screw pair cannot realize the quick motion of Motor execution part, cause
Secondary process overlong time, inefficiency.
Utility model content
The utility model overcomes the deficiencies in the prior art, there is provided a kind of to carry out the quickly or at a slow speed silk of feed motion
Thick stick pair of nut, solving existing screw pair can only feed at a slow speed, and then the problem of secondary process time length.
To solve above-mentioned technical problem, the utility model is employed the following technical solutions：
A kind of to be capable of achieving quick mobile screw pair, including central shaft, being arranged with central shaft can be on center shaft
Mobile threaded sleeve, threaded sleeve is threaded with nut.
As preferred version of the present utility model, pin-and-hole is provided with the central shaft, spring, spring are connected with pin-and-hole
The other end be connected with alignment pin, some through holes for engaging alignment pin are provided with threaded sleeve.
Used as preferred version of the present utility model, the alignment pin includes connector and slide head, one end of connector with
Spring connects, and the other end of connector is connected with one end of slide head；Slide head is parallel to two sides of center shaft axis
Plane, slide head connects into a curved surface perpendicular to the top surface of two sides of center shaft axis and slide head.
Used as preferred version of the present utility model, the pin-and-hole is two, be provided with two pin-and-holes one group of spring and
Alignment pin, the through hole on threaded sleeve is two rows.
Used as preferred version of the present utility model, two pin-and-holes are symmetricly set in the periphery both sides of central shaft, and two rows are led to
Hole is respectively arranged at the periphery both sides of threaded sleeve.
Compared with prior art, the beneficial effects of the utility model are：
1st, threaded sleeve of the present utility model can be moved freely on center shaft, realize fast feed；Nut and thread bush
Screw pair is formed between pipe, can be fed at a slow speed.So as to, the utility model both can be with fast feed shortening secondary process
Time, conventional feed motion at a slow speed can be carried out again.
1st, pin-and-hole is provided with central shaft of the present utility model, spring and alignment pin is connected with pin-and-hole, covered on central shaft
Threaded sleeve is connected to, some through holes for engaging alignment pin are provided with threaded sleeve, threaded sleeve is threaded with nut.
When fast feed campaign is needed, threaded sleeve and nut is set to move together, then alignment pin is pressed into central shaft by axial force
In pin-and-hole, nut and threaded sleeve integrally realize that rapid axial is moved, and shorten the secondary process time.When rapid axial moves to conjunction
After suitable position, alignment pin can be inserted in the through hole on threaded sleeve, by central shaft and spiral shell by adjusting threaded sleeve
Line sleeve pipe is linked to be an entirety, rotary middle spindle, you can drives threaded sleeve to move in a circle together, realizes entering at a slow speed for routine
To motion.
2nd, alignment pin of the present utility model includes connector and slide head, two sides of the slide head parallel to center shaft axis
Face is plane.When conventional feed motion at a slow speed is needed, now alignment pin receives circumferencial direction power, because slide head is parallel to center
Two sides of axle axis are plane, can not be compressed in the pin-and-hole of central shaft, so as to limit central shaft and threaded sleeve it
Between relative rotation.Screw thread pair is formed between nut and threaded sleeve, nut feeds at a slow speed relative to threaded sleeve and central shaft
Motion.Slide head connects into a curved surface perpendicular to the top surface of two sides of center shaft axis and slide head, when the slip crown
When portion's curved surface is extruded by threaded sleeve, slide head is extruded into completely in the pin-and-hole of central shaft, relieves alignment pin to screw thread
The restriction that sleeve pipe is moved in center shaft axis direction.
3rd, pin-and-hole is two, and one group of spring and alignment pin are provided with two pin-and-holes, and the through hole on threaded sleeve is two
Row.The pin-and-hole for cooperating and through hole are disposed as into two groups, the stability in motion process can be increased, it is to avoid in motion process
Moment of torsion is excessive and is obstructed.
4th, two pin-and-holes are symmetricly set in the periphery both sides of central shaft, and two exhausting holes are respectively arranged at the circle of threaded sleeve
Side face both sides.When two groups of pin-and-holes and two exhausting holes are symmetrical arranged, two groups of alignment pins are relative to the frictional force that threaded sleeve is produced
Cancel out each other in the moment of torsion of center shaft axis, it is to avoid move during fast feed, retard motion.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the front view of alignment pin；
Fig. 3 is the left view of alignment pin.
In figure, 1- central shafts, 11- pin-and-holes, 2- springs, 3- alignment pins, 4- threaded sleeves, 41- through holes, 5- nuts, 31- connects
Joint, 32- slide heads.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Embodiment one
It is a kind of to be capable of achieving quick mobile screw pair, including central shaft 1, pin-and-hole 11, pin-and-hole are provided with central shaft 1
Spring 2 is connected with 11, the other end of spring 2 is connected with alignment pin 3；Threaded sleeve 4, screw thread are socketed with the central shaft 1
The some through holes 41 for engaging alignment pin 3 are provided with sleeve pipe 4；The threaded sleeve 4 is threaded with nut 5.
It is provided with central shaft of the present utility model 1 in pin-and-hole 11, pin-and-hole 11 and is connected with spring 2 and alignment pin 3, central shaft
Threaded sleeve 4 is socketed with 1, some through holes 41 for engaging alignment pin 3, the screw thread of threaded sleeve 4 are provided with threaded sleeve 4
It is connected with nut 5.When fast feed campaign is needed, threaded sleeve 4 and nut 5 is set to move together, then alignment pin 3 receives axial force
It is pressed in the pin-and-hole 11 of central shaft 1, nut 5 and the entirety of threaded sleeve 4 realize that rapid axial is moved, when shortening secondary process
Between.After rapid axial moves to suitable position, alignment pin 3 threaded sleeve 4 can be inserted by adjusting threaded sleeve 4
On through hole 41 in, central shaft 1 and threaded sleeve 4 are linked to be into an entirety, rotary middle spindle 1, you can drive threaded sleeve 4 one
Rise and move in a circle, realize conventional feed motion at a slow speed.
Embodiment two
It is a kind of to be capable of achieving quick mobile screw pair, including central shaft 1, pin-and-hole 11, pin-and-hole are provided with central shaft 1
Spring 2 is connected with 11, the other end of spring 2 is connected with alignment pin 3；Threaded sleeve 4, screw thread are socketed with the central shaft 1
The some through holes 41 for engaging alignment pin 3 are provided with sleeve pipe 4；The threaded sleeve 4 is threaded with nut 5.
It is provided with central shaft of the present utility model 1 in pin-and-hole 11, pin-and-hole 11 and is connected with spring 2 and alignment pin 3, central shaft
Threaded sleeve 4 is socketed with 1, some through holes 41 for engaging alignment pin 3, the screw thread of threaded sleeve 4 are provided with threaded sleeve 4
It is connected with nut 5.When fast feed campaign is needed, threaded sleeve 4 and nut 5 is set to move together, then alignment pin 3 receives axial force
It is pressed in the pin-and-hole 11 of central shaft 1, nut 5 and the entirety of threaded sleeve 4 realize that rapid axial is moved, when shortening secondary process
Between.After rapid axial moves to suitable position, alignment pin 3 threaded sleeve 4 can be inserted by adjusting threaded sleeve 4
On through hole 41 in, central shaft 1 and threaded sleeve 4 are linked to be into an entirety, rotary middle spindle 1, you can drive threaded sleeve 4 one
Rise and move in a circle, realize conventional feed motion at a slow speed.
The alignment pin 3 includes connector 31 and slide head 32, and one end of connector 31 is connected with spring 2, connector 31
The other end be connected with one end of slide head 32；Slide head 32 parallel to the axis of central shaft 1 two sides be plane, slide head
32 connect into a curved surface perpendicular to two sides of the axis of central shaft 1 with the top surface of slide head 32.
Alignment pin of the present utility model 3 includes connector 31 and slide head 32, and slide head 32 is parallel to the axis of central shaft 1
Two sides are plane.When conventional feed motion at a slow speed is needed, now alignment pin 3 receives circumferencial direction power, due to slide head 32
It is plane parallel to two sides of the axis of central shaft 1, can not be compressed in the pin-and-hole 11 of central shaft 1, so as to limit center
Relative rotation between axle 1 and threaded sleeve 4.Screw thread pair is formed between nut 5 and threaded sleeve 4, nut 5 is relative to thread bush
Pipe 4 and the feed motion at a slow speed of central shaft 1.Slide head 32 is perpendicular to two sides of the axis of central shaft 1 and the top surface of slide head 32
A curved surface is connected into, when the top curve surface of slide head 32 is subject to threaded sleeve 4 to extrude, slide head 32 is extruded into completely center
In the pin-and-hole 11 of axle 1, the restriction that alignment pin 3 is moved to threaded sleeve 4 in the axis direction of central shaft 1 is relieved.
Embodiment three
It is a kind of to be capable of achieving quick mobile screw pair, including central shaft 1, pin-and-hole 11, pin-and-hole are provided with central shaft 1
Spring 2 is connected with 11, the other end of spring 2 is connected with alignment pin 3；Threaded sleeve 4, screw thread are socketed with the central shaft 1
The some through holes 41 for engaging alignment pin 3 are provided with sleeve pipe 4；The threaded sleeve 4 is threaded with nut 5.
It is provided with central shaft of the present utility model 1 in pin-and-hole 11, pin-and-hole 11 and is connected with spring 2 and alignment pin 3, central shaft
Threaded sleeve 4 is socketed with 1, some through holes 41 for engaging alignment pin 3, the screw thread of threaded sleeve 4 are provided with threaded sleeve 4
It is connected with nut 5.When fast feed campaign is needed, threaded sleeve 4 and nut 5 is set to move together, then alignment pin 3 receives axial force
It is pressed in the pin-and-hole 11 of central shaft 1, nut 5 and the entirety of threaded sleeve 4 realize that rapid axial is moved, when shortening secondary process
Between.After rapid axial moves to suitable position, alignment pin 3 threaded sleeve 4 can be inserted by adjusting threaded sleeve 4
On through hole 41 in, central shaft 1 and threaded sleeve 4 are linked to be into an entirety, rotary middle spindle 1, you can drive threaded sleeve 4 one
Rise and move in a circle, realize conventional feed motion at a slow speed.
The alignment pin 3 includes connector 31 and slide head 32, and one end of connector 31 is connected with spring 2, connector 31
The other end be connected with one end of slide head 32；Slide head 32 parallel to the axis of central shaft 1 two sides be plane, slide head
32 connect into a curved surface perpendicular to two sides of the axis of central shaft 1 with the top surface of slide head 32.
Alignment pin of the present utility model 3 includes connector 31 and slide head 32, and slide head 32 is parallel to the axis of central shaft 1
Two sides are plane.When conventional feed motion at a slow speed is needed, now alignment pin 3 receives circumferencial direction power, due to slide head 32
It is plane parallel to two sides of the axis of central shaft 1, can not be compressed in the pin-and-hole 11 of central shaft 1, so as to limit center
Relative rotation between axle 1 and threaded sleeve 4.Screw thread pair is formed between nut 5 and threaded sleeve 4, nut 5 is relative to thread bush
Pipe 4 and the feed motion at a slow speed of central shaft 1.Slide head 32 is perpendicular to two sides of the axis of central shaft 1 and the top surface of slide head 32
A curved surface is connected into, when the top curve surface of slide head 32 is subject to threaded sleeve 4 to extrude, slide head 32 is extruded into completely center
In the pin-and-hole 11 of axle 1, the restriction that alignment pin 3 is moved to threaded sleeve 4 in the axis direction of central shaft 1 is relieved.
The pin-and-hole 11 is two, one group of spring 2 and alignment pin 3 is provided with two pin-and-holes 11, on threaded sleeve 4
Through hole 41 is two rows.Pin-and-hole 11 is two, one group of spring 2 and alignment pin 3 is provided with two pin-and-holes 11, on threaded sleeve 4
Through hole 41 be two rows.The pin-and-hole 11 for cooperating and through hole 41 are disposed as into two groups, stablizing in motion process can be increased
Property, it is to avoid moment of torsion is excessive and be obstructed in motion process.
Example IV
It is a kind of to be capable of achieving quick mobile screw pair, including central shaft 1, pin-and-hole 11, pin-and-hole are provided with central shaft 1
Spring 2 is connected with 11, the other end of spring 2 is connected with alignment pin 3；Threaded sleeve 4, screw thread are socketed with the central shaft 1
The some through holes 41 for engaging alignment pin 3 are provided with sleeve pipe 4；The threaded sleeve 4 is threaded with nut 5.
It is provided with central shaft of the present utility model 1 in pin-and-hole 11, pin-and-hole 11 and is connected with spring 2 and alignment pin 3, central shaft
Threaded sleeve 4 is socketed with 1, some through holes 41 for engaging alignment pin 3, the screw thread of threaded sleeve 4 are provided with threaded sleeve 4
It is connected with nut 5.When fast feed campaign is needed, threaded sleeve 4 and nut 5 is set to move together, then alignment pin 3 receives axial force
It is pressed in the pin-and-hole 11 of central shaft 1, nut 5 and the entirety of threaded sleeve 4 realize that rapid axial is moved, when shortening secondary process
Between.After rapid axial moves to suitable position, alignment pin 3 threaded sleeve 4 can be inserted by adjusting threaded sleeve 4
On through hole 41 in, central shaft 1 and threaded sleeve 4 are linked to be into an entirety, rotary middle spindle 1, you can drive threaded sleeve 4 one
Rise and move in a circle, realize conventional feed motion at a slow speed.
The alignment pin 3 includes connector 31 and slide head 32, and one end of connector 31 is connected with spring 2, connector 31
The other end be connected with one end of slide head 32；Slide head 32 parallel to the axis of central shaft 1 two sides be plane, slide head
32 connect into a curved surface perpendicular to two sides of the axis of central shaft 1 with the top surface of slide head 32.
Alignment pin of the present utility model 3 includes connector 31 and slide head 32, and slide head 32 is parallel to the axis of central shaft 1
Two sides are plane.When conventional feed motion at a slow speed is needed, now alignment pin 3 receives circumferencial direction power, due to slide head 32
It is plane parallel to two sides of the axis of central shaft 1, can not be compressed in the pin-and-hole 11 of central shaft 1, so as to limit center
Relative rotation between axle 1 and threaded sleeve 4.Screw thread pair is formed between nut 5 and threaded sleeve 4, nut 5 is relative to thread bush
Pipe 4 and the feed motion at a slow speed of central shaft 1.Slide head 32 is perpendicular to two sides of the axis of central shaft 1 and the top surface of slide head 32
A curved surface is connected into, when the top curve surface of slide head 32 is subject to threaded sleeve 4 to extrude, slide head 32 is extruded into completely center
In the pin-and-hole 11 of axle 1, the restriction that alignment pin 3 is moved to threaded sleeve 4 in the axis direction of central shaft 1 is relieved.
The pin-and-hole 11 is two, one group of spring 2 and alignment pin 3 is provided with two pin-and-holes 11, on threaded sleeve 4
Through hole 41 is two rows.Pin-and-hole 11 is two, one group of spring 2 and alignment pin 3 is provided with two pin-and-holes 11, on threaded sleeve 4
Through hole 41 be two rows.The pin-and-hole 11 for cooperating and through hole 41 are disposed as into two groups, stablizing in motion process can be increased
Property, it is to avoid moment of torsion is excessive and be obstructed in motion process.
Two pin-and-holes 11 are symmetricly set in the periphery both sides of central shaft 1, and two exhausting holes 41 are respectively arranged at threaded sleeve 4
Periphery both sides.When two groups of exhausting holes 41 of pin-and-hole 11 and two are symmetrical arranged, two groups of alignment pins 3 are produced to threaded sleeve 4
Frictional force is cancelled out each other relative to the moment of torsion of the axis of central shaft 1, it is to avoid moved during fast feed, retard motion.
Claims (5)
1. it is a kind of to be capable of achieving quick mobile screw pair, it is characterised in that including central shaft (1), central shaft is arranged on (1)
There is the threaded sleeve (4) that can be moved on central shaft (1), threaded sleeve (4) is threaded with nut (5).
2. it is according to claim 1 a kind of to be capable of achieving quick mobile screw pair, it is characterised in that the central shaft
(1) it is provided with pin-and-hole (11), pin-and-hole (11) and is connected with spring (2), the other end of spring (2) is connected with alignment pin (3), spiral shell
The some through holes (41) for engaging alignment pin (3) are provided with line sleeve pipe (4).
3. it is according to claim 2 a kind of to be capable of achieving quick mobile screw pair, it is characterised in that the alignment pin
(3) including connector (31) and slide head (32), one end of connector (31) is connected with spring (2), connector (31) it is another
End is connected with one end of slide head (32)；Slide head (32) parallel to central shaft (1) axis two sides be plane, slide head
(32) top surface perpendicular to two sides of central shaft (1) axis and slide head (32) connects into a curved surface.
4. a kind of according to Claims 2 or 3 is capable of achieving quick mobile screw pair, it is characterised in that the pin
Hole (11) is two, and in two pin-and-holes (11) one group of spring (2) and alignment pin (3), the through hole on threaded sleeve (4) are provided with
(41) it is two rows.
5. it is according to claim 4 a kind of to be capable of achieving quick mobile screw pair, it is characterised in that two pin-and-holes
(11) the periphery both sides of central shaft (1) are symmetricly set in, two exhausting holes (41) are respectively arranged at the periphery of threaded sleeve (4)
Both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621229607.8U CN206175591U (en) | 2016-11-16 | 2016-11-16 | Screw nut that can realize quick travel is vice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621229607.8U CN206175591U (en) | 2016-11-16 | 2016-11-16 | Screw nut that can realize quick travel is vice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175591U true CN206175591U (en) | 2017-05-17 |
Family
ID=58684522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621229607.8U Expired - Fee Related CN206175591U (en) | 2016-11-16 | 2016-11-16 | Screw nut that can realize quick travel is vice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175591U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289083A (en) * | 2017-07-01 | 2017-10-24 | 苏州健雄职业技术学院 | A kind of quick travelling nut pair |
| CN110350711A (en) * | 2018-04-04 | 2019-10-18 | 上海汽车集团股份有限公司 | A kind of motor and the electric boosting steering system with the motor |
| CN112072841A (en) * | 2020-09-03 | 2020-12-11 | 李楠楠 | Three-phase asynchronous vibration motor |
-
2016
- 2016-11-16 CN CN201621229607.8U patent/CN206175591U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289083A (en) * | 2017-07-01 | 2017-10-24 | 苏州健雄职业技术学院 | A kind of quick travelling nut pair |
| CN110350711A (en) * | 2018-04-04 | 2019-10-18 | 上海汽车集团股份有限公司 | A kind of motor and the electric boosting steering system with the motor |
| CN112072841A (en) * | 2020-09-03 | 2020-12-11 | 李楠楠 | Three-phase asynchronous vibration motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20171116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |