CN107143241B - Intelligent electric drives air cylinder device - Google Patents
Intelligent electric drives air cylinder device Download PDFInfo
- Publication number
- CN107143241B CN107143241B CN201710113046.8A CN201710113046A CN107143241B CN 107143241 B CN107143241 B CN 107143241B CN 201710113046 A CN201710113046 A CN 201710113046A CN 107143241 B CN107143241 B CN 107143241B
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- cylinder
- cylinder sleeve
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
Abstract
A kind of intelligent electric driving air cylinder device, it is characterized by comprising outer tube, direct current generator, retarder, cylinder sleeve, piston rod, silk braid, bull lead screw and positioning sleeves, the relatively aforementioned outer tube of cylinder sleeve can move back and forth and include small cylinder sleeve and big cylinder sleeve, small cylinder sleeve above-mentioned is located among big cylinder sleeve, and annular region is formed between small outer wall of cylinder jachet above-mentioned and big inboard wall of cylinder liner；Piston rod, hollow formation inner cavity and front end form piston, which is sheathed on small cylinder sleeve above-mentioned, and piston above-mentioned is then in the annular region between aforementioned small outer wall of cylinder jachet and big inboard wall of cylinder liner；Bull lead screw one end is connect with the output end of aforementioned retarder, and the other end stretches into aforementioned small cylinder sleeve and connect cooperation with silk braid above-mentioned.Compared with prior art, have the advantages that compact-sized, light and noise is small.
Description
Technical field
The present invention relates to a kind of Vidacare corp more particularly to a kind of driving devices applied to automobile tail gate.
Background technology
There are mainly two types of automobile tail gate is current, the first is manual tail-gate, and manual switch, this kind of knot are realized using gas spring
Structure mainly apply on low and middle-end vehicle；Second is electric tail gate, and the automatic lifting for realizing tail-gate, operation side are driven using motor
Just quick, at the same solve the problems, such as most women passenger due to strength is small and it is laborious to open tail-gate.
The driving device of electric tail gate it is existing it is disclosed there are many kinds of, such as application No. is 201310343833.3 middle promulgateds by the State Council
Bright patent application publication《Electronic gas spring》(application publication number CN103410906A), this application are driven by driving motor
Piston rod moves back and forth, and is automatically controlled to realize, this structure is applied to be existed in the keying of automobile tail gate, and length is larger,
The limited deficiency of distance of stretch out and draw back.
Also in addition a kind of improved structure, the Chinese invention patent application that application reference number is 201010288083.0 disclose
《Automobile power back door driving mechanism》(application publication number CN101967930A), this application include motor, motor sleeve, lead screw
Sleeve, bull lead screw, bull nut and spring, bull lead screw make bull nut relative to bull lead screw with the driving of micromotor
Movement, while ut socket is moved relative to lead screw sleeve.Similar can be 201410206864.9 with application reference number
Chinese invention patent application discloses《Automobile tail gate Motorized lift device》(application publication number CN105089408A).
The driving device of above-mentioned this kind of electric tail gate is mainly supported by steel spring, and driving force is generated by motor, is led to
It is flexible to realize to cross lead screw, since steel spring has the following disadvantages：First, steel spring stability is poor, and is easily broken off, and deposits
In security risk；Secondly, automobile tail gate weight is not of uniform size, needs the driving device for being adapted to different size, and steel spring force
Square cannot be implemented to adjust, and again, steel spring easily rubs with steel pipe walls in reciprocating motion and generates noise；Finally, steel spring
What must be made is coarseer, whole more heavy, causes carrying both ends bearing capacity when tail-gate is closed to double, fixes and fill to both ends
Set intensity requirement raising.
For this purpose, disclosing a kind of improved driving device in the prior art, see that application No. is in 201510433203.4
State's invention patent application publication《The electronic Air spring support of automotive back door》(application publication number CN105275301A), this application
By in the same cylinder of the compact assembly of gas spring structure and motor-driven structure, while with gas spring instead of steel spring,
Solves a series of problems that steel spring band comes.But there is also following deficiencies for the technical solution of this application：First, noise compares
Greatly, noise is on being rotatably assorted of motor itself and multiple-threaded screw and bull swivel nut；Second, overall structure still compares
Too fat to move, air pressure inside does not make full use of, and can not accomplish tiny；Third, whole length is still longer, using being relatively restricted；
4th, hollow screw structure requirement on machining accuracy is higher, and technique realizes that there are certain difficulties.
Invention content
It is a kind of compact-sized, light the technical problem to be solved by the present invention is to be provided for the above-mentioned state of the art
Intelligent electric drives air cylinder device.
Another technical problem to be solved by this invention is that provide a kind of noise for the above-mentioned state of the art small
Intelligent electric drives air cylinder device.
Another technical problem to be solved by this invention is to provide a kind of easy to manufacture for the above-mentioned state of the art
Intelligent electric drive air cylinder device.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of intelligent electric driving air cylinder device,
Be characterized in that include
Outer tube；
Direct current generator is set in outer tube above-mentioned and is equipped with sensor；
Retarder is set in outer tube above-mentioned and input terminal is connect with the power output end of aforementioned direct current generator；
Cylinder sleeve, relatively aforementioned outer tube can move back and forth and include small cylinder sleeve and big cylinder sleeve, and small cylinder sleeve above-mentioned is located at large cylinder
Set is intermediate, and annular region is formed between small outer wall of cylinder jachet above-mentioned and big inboard wall of cylinder liner；
Piston rod, hollow formation inner cavity and front end form piston, which is sheathed on small cylinder sleeve above-mentioned, above-mentioned
Piston is then in the annular region between aforementioned small outer wall of cylinder jachet and big inboard wall of cylinder liner；
Silk braid is set to aforementioned small inboard wall of cylinder liner；
Bull lead screw, one end are connect with the output end of aforementioned retarder, the other end stretch into aforementioned small cylinder sleeve and with it is aforementioned
Silk braid connection cooperation；And
Positioning sleeve is set to aforementioned big inboard wall of cylinder liner and can limit the big cylinder sleeve of piston rod disengaging above-mentioned.
Retarder is fixed with the following setting of choosing：The retarder is set on one speed reducer fixing sleeve, and the retarder
Fixing sleeve is then set in outer tube.
Further, the piston is equipped with a small O-ring.
Further, through-hole is offered on the piston, which makes the gas chamber at piston both ends communicate.
Further, the end of the outer tube is equipped with an outer tube boring cover, and the ball stud connecting component is then set to and is somebody's turn to do
On outer tube boring cover, also, a big O-ring is equipped on the outer tube boring cover.
Further, the piston is equipped with a small oil sealing, and the positioning sleeve is equipped with a big oil sealing.
Preferably, the sensor, which is magnet ring, rotates bi-directional hall sensor.
To ensure that cylinder sleeve moves along a straight line with respect to outer tube, the big outer wall of cylinder jachet has cylinder sleeve convex body, accordingly, the outer tube
Inner wall has the outer tube groove that cooperation is oriented to aforementioned cylinder sleeve convex body.
The front end of the outer tube is equipped with a water proof ring, which is in close contact with outer wall of cylinder jachet.It is outer in turn with rainwater-proof
In pipe, direct current generator normal work is influenced.
Preferably, the bull lead screw is connected to by lateral pin on retarder.
Through-hole is offered on the piston, which makes the gas chamber at piston both ends communicate.Piston rod during exercise, piston by
Active force to compressed gas keeps basicly stable.
Compared with the prior art, the advantages of the present invention are as follows：Using matching for hollow piston rod and big cylinder sleeve and small cylinder sleeve
Structure is closed, bull lead screw can be made to be driven back and forth completely in small cylinder sleeve, the active area of piston is annular, can be made full use of
Internal pressure space, by the more small and light of overall volume work, meanwhile, by peripheral hardware in both driving structure and support construction
It sets, can effectively reduce entire length, expand application space；In addition, being rotatably assorted for bull lead screw and silk braid is opposite at one
In closed space, therefore the noise generated substantially reduces.Processing technology of the present invention is simple, can generate different torques and offset article
Up and down motion gravity reduces motor wattage, saves the energy；It also can effectively prevent cylinder sleeve rotation, reduce friction, and extending cylinder makes
Use the service life.
The application of the present invention is not limited to the lifting of automobile tail gate, the structure for originally using gas spring to be supported as lifting,
The electronic mode that the present invention may be used is replaced, as solar panels rotation is adjusted, the electric up-down and oil smoke of medical bed
Electronic keying of machine protective cover etc..
Description of the drawings
Fig. 1 is appearance diagram when embodiment 1 shortens.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is 1 exploded view of embodiment.
Fig. 4 is cylinder sleeve magnified partial view in Fig. 2.
Fig. 5 is 1 middle external tube of embodiment and cylinder sleeve bound fraction structural schematic diagram.
Fig. 6 is 1 drive part structural schematic diagram of embodiment.
Fig. 7 is enlarged cross-sectional view when embodiment 1 extends.
Fig. 8 is 2 middle cylinder nested structure schematic diagram of embodiment.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
As shown in Fig. 1~Fig. 6, the intelligent electric driving air cylinder device in the present embodiment can apply to the liter of automobile tail gate
Drop, specifically includes outer tube 1, direct current generator 6, retarder 5, cylinder sleeve 2, piston rod 4, silk braid 31, bull lead screw 3 and positioning sleeve 33.
The front end of outer tube 1 is equipped with a water proof ring 36, which is in close contact with 2 outer wall of cylinder sleeve, and the end of outer tube 1 is set
There are outer tube boring cover 7, outer tube boring cover 7 to be equipped with O-ring 71.Ball stud connecting component 81 is set on the outer tube boring cover 7, also,
Big O-ring is equipped on the outer tube boring cover 7.
Direct current generator 6 is set in outer tube 1 and is equipped with sensor 61, and direct current generator 6 has circumscripted power line 62, the present embodiment
In sensor 61 be magnet ring rotate bi-directional hall sensor.Retarder 5 is set in outer tube 1 simultaneously input terminal and direct current generator 6
Power output end connects, and specifically, retarder 5 is set on retarder fixing sleeve 34, and retarder fixing sleeve 34 is then set to outer tube 1
It is interior, retarder fixing sleeve 34 is equipped with O-ring 35.
Cylinder sleeve 2 can move back and forth with respect to outer tube 1 and include small cylinder sleeve 22 and big cylinder sleeve 21, and small cylinder sleeve 22 is located at big cylinder sleeve 21
Centre, forms annular region between 21 inner wall of 22 outer wall of small cylinder sleeve and big cylinder sleeve, and silk braid 31 is set to 22 inner wall of small cylinder sleeve.
Simultaneously front end forms piston 41 to 4 hollow formation inner cavity of piston rod, which is sheathed on small cylinder sleeve 22, piston 41
In annular region between 21 inner wall of 22 outer wall of small cylinder sleeve and big cylinder sleeve, piston 41 is equipped with small oil sealing 43 and small O-ring
42。
3 one end of bull lead screw is connected to the output end of retarder 5 by lateral pin 51, the other end stretch into small cylinder sleeve 22 and with
The connection cooperation of silk braid 31；Positioning sleeve 33, which is set to 21 inner wall of big cylinder sleeve and can limit piston rod 4, is detached from big cylinder sleeve 21, on positioning sleeve 33
Equipped with a big oil sealing 32.
The front end of cylinder sleeve 2 and the end of outer tube 1 are respectively equipped with ball stud connecting component 81 and ball stud connecting component
82.To ensure that the linear motion in outer tube 1 of cylinder sleeve 2,21 outer wall of big cylinder sleeve have cylinder sleeve convex body 23, accordingly, 1 inner wall of outer tube tool
There is the outer tube groove 11 that cooperation is oriented to cylinder sleeve convex body 23.
In conjunction with shown in Fig. 2 and Fig. 7, operation principle：Direct current generator 6 drives bull lead screw 3 to move back and forth by retarder 5,
Because silk braid 31 and small cylinder sleeve 22 are connected and fixed, so silk braid 31 drives cylinder sleeve 2 is whole to move back and forth, lifting is realized.Meanwhile piston
Bar 4 moves back and forth in annular region, provides enough support forces.
The cylinder sleeve 2 of sealing can generate a unidirectional powerful thrust, and small cylinder sleeve 22 and the annular region of big cylinder sleeve 21 fill
Compressed gas；Bull lead screw 3, silk braid 31 and direct current generator 6 form an electric cylinder push rod, allow its movement that is in line；Sensing
Device 61 is used for detecting 6 operation conditions of direct current generator, and specifically, one circle Hall of the rotation of direct current generator 6 sends out 3 or 7 (1~12
It is a) pulse signal, 2 Hall elements come out 2 signals, allow 2 pulse signals at a quarter phase difference (90 degree of phase differences),
To calculate the Lap Time of digit pulse quantity and motor rotation upward or downward, reflect operating performance of plant and running position
It sets.
The composition of cylinder sleeve 2 and bull lead screw 3, silk braid 31, sensor 61, direct current generator 6 allows product to extend and shorten straight line
Operation generates 2 different torques (for example it is 900N to extend the torque of generation, and the torque for shortening generation is 200N), in this way can be with
So that object is moved up and down and offset gravity, needs the motor of 30W originally, it, can be production as long as the direct current generator 6 of 15W now
Product reduce, energy saving, and the cylinder push-rod bearing capacity of linear motion is made to greatly reduce, and in the case of cold, push object can
With with smaller power.
Embodiment 2 offers through-hole 411 on the piston 41 in the present embodiment, which makes 41 rear and front end of piston
Gas chamber communicates, and during exercise, compressed gas can flow such piston rod 4 in through-hole when generating big pressure difference, ensures balance, makes
Piston 41 is kept basicly stable by the active force of compressed gas, to realize the performance more more excellent than steel spring.Other knots
Structure reference implementation example 1.
Claims (7)
1. a kind of intelligent electric drives air cylinder device, it is characterised in that including
Outer tube；
Direct current generator is set in outer tube above-mentioned and is equipped with sensor；
Retarder is set in outer tube above-mentioned and input terminal is connect with the power output end of aforementioned direct current generator；
Cylinder sleeve, relatively aforementioned outer tube can move back and forth and include small cylinder sleeve and big cylinder sleeve, and small cylinder sleeve above-mentioned is located in big cylinder sleeve
Between, form annular region between small outer wall of cylinder jachet above-mentioned and big inboard wall of cylinder liner；
Piston rod, hollow formation inner cavity and front end form piston, which is sheathed on small cylinder sleeve above-mentioned, piston above-mentioned
Then in the annular region between aforementioned small outer wall of cylinder jachet and big inboard wall of cylinder liner；
Silk braid is set to aforementioned small inboard wall of cylinder liner；
Bull lead screw, one end are connect with the output end of aforementioned retarder, the other end stretch into aforementioned small cylinder sleeve and with silk above-mentioned
Set connection cooperation；And
Positioning sleeve is set to aforementioned big inboard wall of cylinder liner and can limit the big cylinder sleeve of piston rod disengaging above-mentioned；
The big outer wall of cylinder jachet has cylinder sleeve convex body, and accordingly, the outer tube wall, which has to be oriented to aforementioned cylinder sleeve convex body, to be coordinated
Outer tube groove；
Through-hole is offered on the piston, which makes the gas chamber at piston both ends communicate.
2. intelligent electric according to claim 1 drives air cylinder device, it is characterised in that the retarder subtracts set on one
On fast device fixing sleeve, and the retarder fixing sleeve is then set in outer tube.
3. intelligent electric according to claim 2 drives air cylinder device, it is characterised in that the piston is equipped with a small O shapes
Circle.
4. intelligent electric according to claim 1 drives air cylinder device, it is characterised in that the piston is equipped with a small oil
Envelope, the positioning sleeve are equipped with a big oil sealing.
5. intelligent electric according to claim 1 drives air cylinder device, it is characterised in that the sensor turns for magnet ring
Dynamic bi-directional hall sensor.
6. intelligent electric according to claim 1 drives air cylinder device, it is characterised in that the front end of the outer tube is equipped with one
Water proof ring, the water proof ring are in close contact with outer wall of cylinder jachet.
7. intelligent electric according to claim 1 drives air cylinder device, it is characterised in that the bull lead screw passes through cross
Pin connection is on retarder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/000259 WO2017197902A1 (en) | 2016-05-20 | 2017-03-29 | Smart electric drive cylinder device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356480 | 2016-05-20 | ||
| CN2016103564804 | 2016-05-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107143241A CN107143241A (en) | 2017-09-08 |
| CN107143241B true CN107143241B (en) | 2018-11-13 |
Family
ID=56908073
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620562504.7U Active CN205669517U (en) | 2016-05-20 | 2016-06-12 | Intelligent electric drives air cylinder device |
| CN201610409450.5A Active CN105952706B (en) | 2016-05-20 | 2016-06-12 | Intelligent electric drives air cylinder device |
| CN201710113046.8A Active CN107143241B (en) | 2016-05-20 | 2017-02-28 | Intelligent electric drives air cylinder device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620562504.7U Active CN205669517U (en) | 2016-05-20 | 2016-06-12 | Intelligent electric drives air cylinder device |
| CN201610409450.5A Active CN105952706B (en) | 2016-05-20 | 2016-06-12 | Intelligent electric drives air cylinder device |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN205669517U (en) |
| WO (2) | WO2017197543A1 (en) |
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| CN205669517U (en) * | 2016-05-20 | 2016-11-02 | 潘微杰 | Intelligent electric drives air cylinder device |
| CN106246789A (en) * | 2016-10-11 | 2016-12-21 | 杨均 | A kind of electronic air spring |
| CN107605847B (en) * | 2017-08-07 | 2019-05-24 | 浙江大学宁波理工学院 | The gas spring device of linear motor driving |
| CN107816284A (en) * | 2017-11-30 | 2018-03-20 | 无锡典聚科技有限公司 | A kind of attachment structure for electric tail gate bulb and outer tube |
| CN107795222A (en) * | 2017-11-30 | 2018-03-13 | 无锡典聚科技有限公司 | A kind of vehicle electric tail door supporting rod screw mandrel and reduction gearbox output shaft attachment structure |
| CN107829639A (en) * | 2017-11-30 | 2018-03-23 | 无锡典聚科技有限公司 | A kind of spline structure of electric tail gate strut guide rod and outer tube |
| CN107829636A (en) * | 2017-11-30 | 2018-03-23 | 无锡典聚科技有限公司 | A kind of automobile power back door strut reducing motor spline structure |
| CN108134479B (en) * | 2017-12-22 | 2019-07-16 | 深圳市精艺精汽车配件有限公司 | A kind of electric driven propelling rod |
| CN107863844A (en) * | 2017-12-25 | 2018-03-30 | 西安方元明科技股份有限公司 | A kind of multi-stage expansion electric cylinder |
| CN111219377A (en) * | 2018-11-26 | 2020-06-02 | 徐州徐工液压件有限公司 | Intelligent hydraulic cylinder device and control method |
| CN109361288B (en) * | 2018-11-26 | 2023-08-29 | 苏州江森特自动化科技有限公司 | Electric cylinder |
| CN109610967A (en) * | 2019-01-31 | 2019-04-12 | 宁波拓尔精工机械有限公司 | Electric drive air cylinder device |
| CN112392358A (en) * | 2019-08-16 | 2021-02-23 | 上海驭华电动气弹簧有限公司 | Electric multi-stage transmission telescopic push-pull rod |
| CN110356545A (en) * | 2019-08-21 | 2019-10-22 | 成都弗格森液压机电有限公司 | A kind of unmanned plane undercarriage control retaining mechanism |
| CN112211948B (en) * | 2020-11-04 | 2022-07-01 | 南京默凯尼克机电有限公司 | Electric cylinder with oil-gas auxiliary buffering structure |
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- 2016-06-17 WO PCT/CN2016/000310 patent/WO2017197543A1/en active Application Filing
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2017
- 2017-02-28 CN CN201710113046.8A patent/CN107143241B/en active Active
- 2017-03-29 WO PCT/CN2017/000259 patent/WO2017197902A1/en active Application Filing
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| CN205669517U (en) * | 2016-05-20 | 2016-11-02 | 潘微杰 | Intelligent electric drives air cylinder device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017197902A1 (en) | 2017-11-23 |
| CN107143241A (en) | 2017-09-08 |
| WO2017197543A1 (en) | 2017-11-23 |
| CN105952706B (en) | 2018-11-30 |
| CN105952706A (en) | 2016-09-21 |
| CN205669517U (en) | 2016-11-02 |
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Effective date of registration: 20180517 Address after: 315191 No. 1269 Ming Shu Road, Jiangshan Town, Yinzhou District, Ningbo, Zhejiang Applicant after: Ningbo top Fine Machinery Co., Ltd. Address before: 315000 No. 195, Lane 195, Baiyang street, Haishu District, Ningbo, Zhejiang 403 Applicant before: Pan Weijie |
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