CN100562305C - Multi-knot telescopic device - Google Patents
Multi-knot telescopic device Download PDFInfo
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- CN100562305C CN100562305C CNB2006101079942A CN200610107994A CN100562305C CN 100562305 C CN100562305 C CN 100562305C CN B2006101079942 A CNB2006101079942 A CN B2006101079942A CN 200610107994 A CN200610107994 A CN 200610107994A CN 100562305 C CN100562305 C CN 100562305C
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- drive link
- hollow
- telescopic device
- inner part
- screw rod
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Abstract
The present invention relates to a kind of multi-knot telescopic device, it comprise screw rod, a hollow of a pedestal, a controlled rotation drive link, a hollow swivel nut, a hollow and have first body of female thread, second body of a hollow and the 3rd body of a hollow.Wherein, this screw rod is hubbed on the pedestal; Be interspersed with screw rod in this drive link, and the upper end has a spiral shell head, the lower end has a spiro union portion; This swivel nut is bolted in outside the screw rod, and also is bolted with swivel nut in the spiro union portion of drive link; This first body lower end has one first external part, and the spiral shell head of drive link is bolted in first body; The upper end of this second body has one second inner part, the lower end has one second external part, and first body is interspersed in second body; The 3rd body is fixedly arranged on the pedestal, and has one the 3rd inner part on it, and second body then is interspersed in the 3rd body; Relative with first and second external part respectively and block each other respectively of described second and third inner part.
Description
Technical field
The present invention relates to a kind of multi-knot telescopic device, particularly a kind of retractor device that is applied to armarium such as sick bed, manipulator, diagnosis and treatment bench, chaise longue etc. in order to control patient lifting.
Background technology
Have the be in hospital ward of usefulness in the hospital, be provided with the couch armarium such as the sick bed of usefulness in the room for the patient for the patient.
Be generally and be convenient to the patient and adjust posture, the sick bed of outfit in the hospital at present, the overwhelming majority all has bed board and just adjusts function, allows patient's the upper part of the body partly incline or to sit straight with this, perhaps allows patient's both legs raise, even allows the patient that other posture or the like can be arranged.
This have a sick bed that bed board is just adjusted function, at present all form required adjusting device with electric screw, vapour pressure cylinder or oil hydraulic cylinder some brake structures of arranging in pairs or groups again, reach the purpose that bed board is just adjusted with this, but this adjusting device has following 3 inconveniences, and be easy to break down, remain to be improved.
Screw rod can produce the spin phenomenon when promoting object.
The sick bed crank can produce when promoting to move horizontally to cause interfering and produce.
The screw rod upward stroke is the twice of spiro rod length only, and shared volume is excessive in armarium.
In view of this, the present invention proposes a kind of retractor device of multi-section type design to address these problems and needs.
Summary of the invention
The invention provides a kind of multi-knot telescopic device, it is with known too complicated design, be modified to the flexible telescopic design of multi-section type, reach the effect of the uncomplicated and difficult generation fault of structure with this, product is promoted service life relatively, and the patient can be reduced relatively because of the uncomfortable probability that local fault caused when couching.
In order to achieve the above object, the invention provides a kind of multi-knot telescopic device, it comprises:
One controlled rotation and have externally threaded screw rod; The swivel nut of one hollow, its inwall has female thread, outer wall has external screw thread, and this screw rod is bolted in this swivel nut; The drive link of one hollow, its upper end has a spiral shell head, the lower end has a spiro union portion, and this screw rod is interspersed in this drive link, and this swivel nut is bolted in the spiro union portion of this drive link; First body of one hollow, its inwall has female thread, and the lower end has one first external part, and the spiral shell head of this drive link is bolted in first body; Second body of one hollow, its upper end has one second inner part, the lower end has one second external part, this first body is interspersed in this second body, this first body is socketed in hollow second inner part of this second body and slippage according to this, the relative and block each other of this first external part of this second inner part and this first body lower end; And the 3rd body of a hollow, its upper end has one the 3rd inner part, this second body is interspersed in the 3rd body, this second body then is socketed in hollow the 3rd inner part of the 3rd body and slippage according to this, the relative and block each other of second external part of the 3rd inner part and this second body lower end.
According to multi-knot telescopic device of the present invention, wherein also comprise a pedestal, this pedestal is provided with an actuator, and this screw rod is hubbed at this pedestal, and is subjected to the drive of this actuator and rotates; And the 3rd body is fixed in this pedestal.
According to multi-knot telescopic device of the present invention, wherein this actuator is a CD-ROM drive motor.
According to multi-knot telescopic device of the present invention, wherein this actuator is one to turn for the driving of people hand operated.
According to multi-knot telescopic device of the present invention, wherein this swivel nut further has a block flange, and the lower end of this drive link is subjected to the block of this block flange.
According to multi-knot telescopic device of the present invention, wherein the upper end of this screw rod further is socketed with a bearing, and this bearing and this swivel nut limit the spaced radial distance between this drive link and this screw rod.
According to multi-knot telescopic device of the present invention, wherein this drive link and spiral shell head thereof are separate style, and the upper end of this drive link is screwed onto each other with this spiral shell head, and the diameter of this spiral shell head is greater than this drive link.
According to multi-knot telescopic device of the present invention, wherein the spiro union portion of this drive link gives directly axially forming in the lower end of this drive link, and this spiro union portion also has female thread.
According to multi-knot telescopic device of the present invention, wherein first external part and second external part of this first body and this second body lower end are an outer ring body, and described two outer ring bodies are socketed on respectively outside the lower end of this first body and this second body; Second inner part and the 3rd inner part of this second body and the 3rd body upper end then are an inner ring body, and described two inner ring bodies are bolted in respectively within the upper end of this second body and the 3rd body.
Compare with conventional art, the advantage of multi-knot telescopic device of the present invention is: but simplified construction and unlikely too complicated; And can reduce the fault probability, and promote product service life, the uncomfortable probability of patient when couching reduced relatively.
In order further to understand feature of the present invention and technology contents, see also following relevant detailed description of the present invention, yet described content only provides reference and explanation usefulness, is not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the three-dimensional exploded view of retractor device provided by the invention;
Fig. 2 is the three-dimensional combination figure of retractor device provided by the invention;
Fig. 3 is the part sectioned view of retractor device provided by the invention, the retractor device before the display action;
Fig. 4 is the part sectioned view of retractor device provided by the invention, the retractor device in the display action; And
Fig. 5 is the part sectioned view of retractor device provided by the invention, the retractor device after display action is finished.
Wherein, description of reference numerals is as follows:
51 portions 22 of pedestal 2 drive link 5 base plates, 21 spiral shell heads
Spiro union portion 52 actuators 23 first bodys 6 drive divisions 231
Second body, 7 cover portions, 242 second inner parts, 71 screw rods 3
Second external part, 72 followers 31 the 3rd body, 8 bearings 32
The 3rd inner part 81 swivel nuts 4 ring portion r1, r2 block flange 41
The specific embodiment
See also Fig. 1～shown in Figure 5, a kind of multi-knot telescopic device provided by the present invention, be to be applied to sick bed and in order to the retractor device of control bed board lifting, this retractor device comprises a pedestal 2, a screw rod 3, a swivel nut 4, a drive link 5, one first body 6, one second body 7 and one the 3rd body 8.
This pedestal 2 comprises that a base plate 21, is located at the actuator 23 that tube portion 22 and on the base plate 21 is installed on a portion 22 1 sides.Wherein, this actuator 23 has a drive division 231, and it can be a CD-ROM drive motor or and can supply the driving of people's hand operated turn (for example not shown driving rotating disk or driving bull stick or the like).
This screw rod 3 has external screw thread, and the lower end then has a follower 31, and this screw rod 3 is hubbed in the tube portion 22 of pedestal 2, and drive division 231 bridle joints that make this actuator 23 make actuator 23 can drive screw rod 3 rotations in the follower 31 of this screw rod 3 thus.
This swivel nut 4 is the hollow form body, and its inwall has female thread, outer wall has external screw thread, and the lower end also has a block flange 41, and this swivel nut 4 is bolted in outside this screw rod 3 by the female thread of its hollow inside.
This drive link 5 is the hollow form body of rod, and its upper end is integrally formed or be bolted with a spiral shell head 51, and the diameter of this spiral shell head 51 is greater than the diameter of drive link 5; The then directly axial formation one in the lower end of this drive link 5 has the spiro union portion 52 of female thread.This screw rod 3 is interspersed in this drive link 5, and this swivel nut 4 also is bolted in the spiro union portion 52 of drive link 5 by its external screw thread, and the lower end of this drive link 5 also is subjected to the block of this block flange 41.
The end of this first～three body 6～8 is provided with inner part (71,81), external part (62,72), respectively these inside and outside parts are the inner ring body of hollow and the outer ring body of hollow, therefore respectively this inner part has a ring portion r1, and respectively this external part then also has a ring portion r2.
This first body 6 is the hollow form body, and its inside pipe wall has female thread, and the spiral shell head 51 of drive link 5 is bolted in this first body 6.The lower end of this first body 6 then is provided with one first external part 62 again, can be against each other with this with second inner part 71 described later, and can be in order to seal the lower ending opening of first body 6, the upper end of this first body 6 then is a blind end 61.
This second body 7 also is the hollow form body, its upper end is provided with one second inner part 71, this first body 6 is interspersed in this second body 7, be socketed in hollow second inner part 71 of second body 7 and slippage according to this with this, because the ring portion r2 of this first external part 62 and the ring portion r1 of this second inner part 71 have identical bore and identical external diameter, therefore, lower end first external part 62 of upper end second inner part 71 of this second body 7 and first body 6 is relative and be beneficial to block each other.The lower end of this second body 7 then is provided with second external part 72 with ring portion r2 again, can be against each other with this with the 3rd inner part 81 described later, and can be in order to seal the lower ending opening of second body 7.
The 3rd body 8 also is the hollow form body, its upper end is provided with the 3rd inner part 81 with ring portion r1, this second body 7 is interspersed in the 3rd body 8, be socketed in hollow the 3rd inner part 81 of the 3rd body 8 and slippage according to this with this, and because the ring portion r2 of this second external part 72 and the ring portion r1 of the 3rd inner part 81 have identical bore and identical external diameter, therefore, lower end second external part 72 of upper end the 3rd inner part 81 of the 3rd body 8 and second body 7 is relative and be beneficial to block each other.Tube portion 22 socket each other of the 3rd body 8 and aforementioned pedestal 2, fixed to one another in the mode of being spirally connected again.
Wherein, the external part the 62, the 72nd of this outer ring body formula respectively cooperates the countersunk head screw fixed mode that is spirally connected again with ring set, be socketed on respectively outside the lower end of this first and second body 6,7, respectively the inner part 71,81 of this inner ring body formula then is bolted within the upper end of this second and third body 7,8 in the mode that is spirally connected respectively.
Preferably, the upper end of this screw rod 3 further is socketed with a bearing 32, makes this bearing 32 and this swivel nut 4 can limit spaced radial distance between this drive link 5 and this screw rod 3.
In addition, can also utilize a cladding 24 that this pedestal 2 is coated, this cladding 24 comprise one in order to carrying and the bottom 241 and of fixing this pedestal 2 in order to involutory and pedestal 2 is covered the cover portion of covering 242 with this bottom 241.
See also Fig. 3～shown in Figure 5, when 3 rotations of actuator 23 drive screws, can drive swivel nut 4 and rotate together; 4 of this swivel nuts can drive drive link 5 and rotate together, the and then rotation synchronously of the spiral shell head 51 of this drive link 5; At this moment, moving by the relative spiral shell between this spiral shell head 51 and this first body 6, with as shown in Figure 4, make this first body 6 begin to hang down and rise, be resisted against until the ring portion r2 of its first external part 62 till the ring portion r1 of second inner part 71, and and then produce block power; By these block power, it is moving promptly to begin relative spiral shell between aforementioned swivel nut 4 and the screw rod 3, as shown in Figure 5, so that beginning to hang down, this second body 7 rises, and hang down to have risen first body 6 of finishing with this and hung down and rise, the vertical liter of second body 7 is till the ring portion r2 of its second external part 72 is resisted against the ring portion r1 of the 3rd inner part 81.In like manner, if these actuator 23 counter-rotatings then can make this first and second body 6,7 hang down and reduce to former location.Like this can multi-section type crustal extension or the lifting of multi-section type ground.
So, the invention provides a kind of multi-knot telescopic device, to compare with conventional art, its advantage is as follows:
1. but simplified construction and unlikely too complicated;
2. can reduce the fault probability, promote product service life, the uncomfortable probability of patient when couching reduced relatively.
But the above only is the detailed description and the accompanying drawing of one of preferred embodiment of the present invention, feature of the present invention is not limited to this, be not in order to restriction the present invention, all scopes of the present invention should be as the criterion with described claims, all embodiment that meets the design variation similar of claims of the present invention with it, all should be contained in the scope of the present invention, variation that those skilled in the art can expect in the field of the invention easily or modification all can be contained within the scope of the invention.
Claims (9)
1. a multi-knot telescopic device is characterized in that, comprising:
One controlled rotation and have externally threaded screw rod;
The swivel nut of one hollow, its inwall has female thread, outer wall has external screw thread, and this screw rod is bolted in this swivel nut;
The drive link of one hollow, its upper end has a spiral shell head, the lower end has a spiro union portion, and this screw rod is interspersed in this drive link, and this swivel nut is bolted in the spiro union portion of this drive link;
First body of one hollow, its inwall has female thread, and the lower end has one first external part, and the spiral shell head of this drive link is bolted in first body;
Second body of one hollow, its upper end has one second inner part, the lower end has one second external part, this first body is interspersed in this second body, this first body is socketed in hollow second inner part of this second body and slippage according to this, the relative and block each other of this first external part of this second inner part and this first body lower end; And
The 3rd body of one hollow, its upper end has one the 3rd inner part, this second body is interspersed in the 3rd body, this second body then is socketed in hollow the 3rd inner part of the 3rd body and slippage according to this, the relative and block each other of second external part of the 3rd inner part and this second body lower end.
2. multi-knot telescopic device as claimed in claim 1 is characterized in that, also comprises a pedestal, and this pedestal is provided with an actuator, and this screw rod is hubbed at this pedestal, and is subjected to the drive of this actuator and rotates; And the 3rd body is fixed in this pedestal.
3. multi-knot telescopic device as claimed in claim 2 is characterized in that, this actuator is a CD-ROM drive motor.
4. multi-knot telescopic device as claimed in claim 2 is characterized in that, this actuator is that the driving of a confession people hand operated is turned.
5. multi-knot telescopic device as claimed in claim 1 is characterized in that, this swivel nut further has a block flange, and the lower end of this drive link is subjected to the block of this block flange.
6. multi-knot telescopic device as claimed in claim 1 is characterized in that the upper end of this screw rod further is socketed with a bearing, and this bearing and this swivel nut limit the spaced radial distance between this drive link and this screw rod.
7. multi-knot telescopic device as claimed in claim 1 is characterized in that, this drive link and spiral shell head thereof are separate style, and the upper end of this drive link is screwed onto each other with this spiral shell head, and the diameter of this spiral shell head is greater than this drive link.
8. multi-knot telescopic device as claimed in claim 1 is characterized in that, the spiro union portion of this drive link gives directly axially forming in the lower end of this drive link, and this spiro union portion also has female thread.
9. multi-knot telescopic device as claimed in claim 1, it is characterized in that, first external part and second external part of this first body and this second body lower end are an outer ring body, and described two outer ring bodies are socketed on respectively outside the lower end of this first body and this second body; Second inner part and the 3rd inner part of this second body and the 3rd body upper end then are an inner ring body, and described two inner ring bodies are bolted in respectively within the upper end of this second body and the 3rd body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101079942A CN100562305C (en) | 2005-09-29 | 2006-08-02 | Multi-knot telescopic device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520129252 | 2005-09-29 | ||
| CN200520129252.0 | 2005-09-29 | ||
| CNB2006101079942A CN100562305C (en) | 2005-09-29 | 2006-08-02 | Multi-knot telescopic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1939247A CN1939247A (en) | 2007-04-04 |
| CN100562305C true CN100562305C (en) | 2009-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101079942A Expired - Fee Related CN100562305C (en) | 2005-09-29 | 2006-08-02 | Multi-knot telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100562305C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412382B (en) * | 2008-10-29 | 2012-10-03 | 武建民 | Horizontal multi-joint telescoping mechanism of automobile electric headrest |
| CN102767678A (en) * | 2012-05-26 | 2012-11-07 | 崔学晨 | Automatic rotating device for display screens of desktop computers |
| CN103040579A (en) * | 2012-12-26 | 2013-04-17 | 迈柯唯医疗设备(苏州)有限公司 | Transfer trolley with lifting function |
| CN103161903A (en) * | 2013-03-28 | 2013-06-19 | 拮泊（上海）自动化系统有限公司 | Two-level screw rod linkage device |
| CN106379711B (en) * | 2015-07-27 | 2019-07-05 | 上海嘉峥机械有限公司 | For the height-adjustable supporting leg mechanism of pipeline |
| CN107442809B (en) * | 2017-09-20 | 2019-09-17 | 广合科技（广州）有限公司 | A kind of processing method of pcb board drilling high-efficiency fool proof |
| CN108413201A (en) * | 2018-05-04 | 2018-08-17 | 福清展旭电子有限公司 | The hoisting mechanism and its working method of image documentation equipment installation frame |
| CN110436355A (en) * | 2019-08-27 | 2019-11-12 | 山东劳动职业技术学院（山东劳动技师学院） | A kind of mechanical engineering Multi-functional suspension equipment |
| CN112568773B (en) * | 2020-12-09 | 2022-04-22 | 西安航空职业技术学院 | Long-distance bending and stretching type glass wiping device |
-
2006
- 2006-08-02 CN CNB2006101079942A patent/CN100562305C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1939247A (en) | 2007-04-04 |
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Owner name: CHANG GUNG MEDICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHANGGENG MEDICAL APPARATUS CO., LTD. Effective date: 20120604 Owner name: CHANG GUNG MEDICAL TECHNOLOGY (XIAMEN) CO., LTD. Effective date: 20120604 |
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Effective date of registration: 20120604 Address after: Taipei City, Taiwan, China Co-patentee after: Chang Gung Medical Technology (Xiamen) Co., Ltd. Patentee after: Chang Gung Medical Technology Co., Ltd. Address before: Taipei City, Taiwan, China Patentee before: Chang Gung Medical Supplies & Equipment Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20170802 |
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| CF01 | Termination of patent right due to non-payment of annual fee |