CN205811751U - A kind of electric cylinder - Google Patents
A kind of electric cylinder Download PDFInfo
- Publication number
- CN205811751U CN205811751U CN201620631892.XU CN201620631892U CN205811751U CN 205811751 U CN205811751 U CN 205811751U CN 201620631892 U CN201620631892 U CN 201620631892U CN 205811751 U CN205811751 U CN 205811751U
- Authority
- CN
- China
- Prior art keywords
- push rod
- groove
- electric cylinder
- roller
- motor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of electric cylinder, relate to electric linear actuation technologies, including motor, leading screw, shell, nut seat and push rod, described motor is connected with leading screw one end by shaft coupling, and the described leading screw other end is connected with guiding parts；Described push rod afterbody is additionally provided with push rod tailstock, and described push rod tailstock is that matching thread is connected with described nut seat；The described upper and lower both sides of push rod tailstock are additionally provided with idler wheel mechanism, and described idler wheel mechanism includes roller, roller groove, roller shaft and bearing, are additionally provided with guide-track groove inside described shell, and described guide-track groove and idler wheel mechanism cooperatively form linear motion pair；Being provided with Rhizoma Sparganii groove and square groove outside described guiding parts, described Rhizoma Sparganii groove and described square groove are arranged alternately.This electric cylinder, the sliding friction being directed to structure converts for rolling friction, reduces the frictional force between roller and guide-track groove, nut seat and push rod tailstock connected mode simple and reliable, high lubricating effect.
Description
Technical field
This utility model belongs to electric linear actuation technologies field, is specifically related to a kind of electric cylinder.
Background technology
The rotary motion of motor is converted to the linear motion of push rod by electric cylinder by the mechanical movement of leading screw and lead screw pair.
Utilize the closed loop control characteristic of servomotor, the accurate control to thrust, speed and position can be realized easily；Utilize existing
For movement control technology, Numeric Control Technology and bussing technique, it is achieved sequencing, bussed control.The convenience controlling due to it, using
Property, cylinder and the hydraulic cylinder irrealizable precise flange of transmission will be realized.At present, the guide frame of electric cylinder mostly is and joins
Closing the projection and gathering sill connected, produce sliding friction between protruding and gathering sill, frictional force is big, is unfavorable for improving maximum allowable
Rotating speed；Meanwhile, the nut seat in electric cylinder mostly is bolt and nut connection with the connection of push rod, and this connected mode parts are many,
Dismounting inconvenience；The most current electric cylinder there is also the problem of lubricant effect difference at guide frame.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of electric cylinder, is directed to the cunning of structure
Dynamic friction converts for rolling friction, reduces the frictional force between roller and guide-track groove, nut seat and push rod tailstock connection side
Formula is simple and reliable, high lubricating effect.
This utility model solves it and technical problem is that and take techniques below scheme to realize:
A kind of electric cylinder, including motor, leading screw, shell, nut seat and push rod, described motor passes through shaft coupling and silk
Thick stick one end is connected, and the described leading screw other end is connected with guiding parts, and described leading screw and nut seat are bonded screw thread pair；
It is characterized in that: described push rod afterbody is additionally provided with push rod tailstock, described push rod tailstock is the integrated design with push rod,
It is provided with female thread inside described push rod tailstock, outside described nut seat, is provided with external screw thread, described push rod tailstock and described nut seat
Connect for matching thread；
The described upper and lower both sides of push rod tailstock are additionally provided with idler wheel mechanism, and described idler wheel mechanism includes roller, roller groove, roller shaft
And bearing, described roller is located in described roller groove, and center, described roller both sides is provided with described roller shaft, described roller shaft
Being placed in described bearing, be additionally provided with guide-track groove inside described shell, described guide-track groove and idler wheel mechanism cooperatively form linear motion
Secondary；
Being provided with Rhizoma Sparganii groove and square groove outside described guiding parts, described Rhizoma Sparganii groove and described square groove are arranged alternately.
Further, spacing ring defined position is passed through in described bearing one end, and the other end is limited by bearing (ball) cover.
Further, described motor can be DC servo motor, AC servo motor, motor, common AC/DC
Motor or reducing motor.
Further, described leading screw is ball-screw or lead screw.
Further, described push rod is rustless steel push rod.
Further, described shell is aluminum alloy casing.
Further, it is provided with self-lubricating band with guiding parts contact position in described guide-track groove and inside described push rod.
The beneficial effects of the utility model are:
Being provided with external screw thread outside nut seat the most of the present utility model, be provided with female thread inside push rod tailstock, both pass through spiral shell
Stricture of vagina links together, and this connected mode simple in construction, connects reliable, easy accessibility.
Being provided with guide-track groove inside shell the most of the present utility model, the upper and lower both sides of push rod tailstock are provided with idler wheel mechanism, Liang Zhepei
Close and form linear motion pair, traditional sliding friction is converted into rolling friction, reduces frictional force between roller and guide-track groove,
Meanwhile, in guide-track groove, it is additionally provided with self-lubricating band, makes roller motion in guide-track groove more smooth and easy, be effectively increased electric cylinder
Maximum allowable rotating speed.
Being provided with Rhizoma Sparganii groove and square groove outside guiding parts the most of the present utility model, Rhizoma Sparganii groove and square groove are arranged alternately,
Rhizoma Sparganii groove and square groove can store lubricating oil, meanwhile, be additionally provided with self-lubricating band with guiding parts contact position inside push rod, effectively
Enhance lubricant effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view of this utility model Section A-A；
Fig. 3 is the structural representation of this utility model guiding parts.
In figure: 1 is motor；2 is shaft coupling；3 is spacing ring；4 is bearing；5 is tailstock；6 is leading screw；7 is shell；8
For guide-track groove；9 is nut seat；10 is push rod tailstock；11 is roller shaft；12 is bearing；13 is roller；14 is roller groove；15 are
Front end；16 is guiding parts；161 is Rhizoma Sparganii groove；162 is square groove；17 is bearing (ball) cover；18 is push rod.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described:
In Fig. 1～3, a kind of electric cylinder, including motor 1, leading screw 6, shell 7, nut seat 9 and push rod 18, described electronic
Machine 1 is connected with leading screw 6 one end by shaft coupling 2, and described leading screw 6 other end is connected with guiding parts 16, described leading screw 6 and nut
Seat 9 is bonded screw thread pair；
Described push rod 18 afterbody is additionally provided with push rod tailstock 10, and described push rod tailstock 10 is the integrated design with push rod 18, institute
State and inside push rod tailstock 10, be provided with female thread, outside described nut seat 9, be provided with external screw thread, described push rod tailstock 10 and described nut
Seat 9 connects for matching thread；
Described push rod tailstock about 10 both sides are additionally provided with idler wheel mechanism, described idler wheel mechanism include roller 13, roller groove 14,
Roller shaft 11 and bearing 12, described roller 13 is located in described roller groove 14, and center, described roller 13 both sides is provided with described
Roller shaft 11, described roller shaft 11 is placed in described bearing 12, is additionally provided with guide-track groove 8, described guide-track groove 8 inside described shell 7
Linear motion pair is cooperatively formed with idler wheel mechanism；
Rhizoma Sparganii groove 161 and square groove 162, described Rhizoma Sparganii groove 161 and described square groove it is provided with outside described guiding parts 16
162 are arranged alternately.
At above-mentioned electric cylinder, it should be pointed out that spacing ring 3 defined position is passed through in described bearing 4 one end, the other end leads to
Cross bearing (ball) cover 17 to limit.
At above-mentioned electric cylinder, it should be pointed out that described motor 1 can be DC servo motor, AC servo motor,
Motor, common AC/DC motor or reducing motor.
At above-mentioned electric cylinder, it should be pointed out that described leading screw 6 is ball-screw or lead screw.
At above-mentioned electric cylinder, it should be pointed out that described push rod 18 is rustless steel push rod.
At above-mentioned electric cylinder, it should be pointed out that described shell 7 is aluminum alloy casing.
At above-mentioned electric cylinder, it should be pointed out that with guiding parts 16 in described guide-track groove 8 and inside described push rod 18
Contact position is provided with self-lubricating band.
Operation principle of the present utility model is as follows:
The electric cylinder that this utility model provides, when motor 1 runs, imparts power to leading screw 6, silk by shaft coupling 2
Thick stick 6 is rotated, meanwhile, nut seat 9 leading screw 6 axial direction move along a straight line, due to nut seat 9 and push rod tailstock 10
For threaded, so push rod tailstock 10 does directly too along leading screw 6 axial direction under the guiding of roller 13 and guide-track groove 8
Line moves, owing to being the integrated design between push rod 18 and push rod tailstock 10, so push rod 18 is moving along a straight line too.By
Being connected with leading screw 6 one end in guiding parts 16, thus guiding parts 16 moves in a circle in push rod 18, push rod 18 shows as
Move relative to the linear telescopic of electric cylinder cylinder body.
In sum, this utility model provides a kind of electric cylinder, and the sliding friction conversion being directed to structure rubs to roll
Wipe, reduce the frictional force between roller and guide-track groove, nut seat and push rod tailstock connected mode simple and reliable, lubricant effect
Good.
This utility model has been described in detail by above example, but described content is only preferable reality of the present utility model
Execute example, it is impossible to be considered for limiting practical range of the present utility model.All equalizations made according to this utility model application range
Change and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (7)
1. an electric cylinder, including motor, leading screw, shell, nut seat and push rod, described motor passes through shaft coupling and leading screw
One end is connected, and the described leading screw other end is connected with guiding parts, and described leading screw and nut seat are bonded screw thread pair；
It is characterized in that: described push rod afterbody is additionally provided with push rod tailstock, and described push rod tailstock is the integrated design with push rod, described
Being provided with female thread inside push rod tailstock, be provided with external screw thread outside described nut seat, described push rod tailstock and described nut seat are for joining
External threading connects；
The described upper and lower both sides of push rod tailstock are additionally provided with idler wheel mechanism, and described idler wheel mechanism includes roller, roller groove, roller shaft and axle
Holding, described roller is located in described roller groove, and center, described roller both sides is provided with described roller shaft, and described roller shaft is placed in
In described bearing, being additionally provided with guide-track groove inside described shell, described guide-track groove and idler wheel mechanism cooperatively form linear motion pair；
Being provided with Rhizoma Sparganii groove and square groove outside described guiding parts, described Rhizoma Sparganii groove and described square groove are arranged alternately.
Electric cylinder the most according to claim 1, it is characterised in that spacing ring defined position is passed through in described bearing one end, separately
One end is limited by bearing (ball) cover.
Electric cylinder the most according to claim 1, it is characterised in that described motor can be DC servo motor, exchange and watch
Take motor, motor, common AC/DC motor or reducing motor.
Electric cylinder the most according to claim 1, it is characterised in that described leading screw is ball-screw or lead screw.
Electric cylinder the most according to claim 1, it is characterised in that described push rod is rustless steel push rod.
Electric cylinder the most according to claim 1, it is characterised in that described shell is aluminum alloy casing.
Electric cylinder the most according to claim 1, it is characterised in that in described guide-track groove and inside described push rod and guide part
Part contact position is provided with self-lubricating band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631892.XU CN205811751U (en) | 2016-06-21 | 2016-06-21 | A kind of electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631892.XU CN205811751U (en) | 2016-06-21 | 2016-06-21 | A kind of electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205811751U true CN205811751U (en) | 2016-12-14 |
Family
ID=57505567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631892.XU Expired - Fee Related CN205811751U (en) | 2016-06-21 | 2016-06-21 | A kind of electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205811751U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830137A (en) * | 2017-10-17 | 2018-03-23 | 兰州飞行控制有限责任公司 | A kind of straight line leading screw actuator roller rotation-preventing mechanism |
| CN108386095A (en) * | 2018-04-11 | 2018-08-10 | 潘洛飞 | A kind of waterproof rust-proof screw formula electric window-opening device |
| CN108869680A (en) * | 2018-08-30 | 2018-11-23 | 厦门微控科技有限公司 | A kind of electric cylinder with circulating cooling channel |
| CN114684027A (en) * | 2020-12-30 | 2022-07-01 | 斯润天朗(无锡)科技有限公司 | Air quality alarm device in car |
-
2016
- 2016-06-21 CN CN201620631892.XU patent/CN205811751U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830137A (en) * | 2017-10-17 | 2018-03-23 | 兰州飞行控制有限责任公司 | A kind of straight line leading screw actuator roller rotation-preventing mechanism |
| CN108386095A (en) * | 2018-04-11 | 2018-08-10 | 潘洛飞 | A kind of waterproof rust-proof screw formula electric window-opening device |
| CN108869680A (en) * | 2018-08-30 | 2018-11-23 | 厦门微控科技有限公司 | A kind of electric cylinder with circulating cooling channel |
| CN108869680B (en) * | 2018-08-30 | 2020-04-07 | 厦门微控科技有限公司 | Electric cylinder with circulating cooling channel |
| CN114684027A (en) * | 2020-12-30 | 2022-07-01 | 斯润天朗(无锡)科技有限公司 | Air quality alarm device in car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20180621 |