CN102179781A - Unfolding and folding mechanism - Google Patents
Unfolding and folding mechanism Download PDFInfo
- Publication number
- CN102179781A CN102179781A CN 201110065049 CN201110065049A CN102179781A CN 102179781 A CN102179781 A CN 102179781A CN 201110065049 CN201110065049 CN 201110065049 CN 201110065049 A CN201110065049 A CN 201110065049A CN 102179781 A CN102179781 A CN 102179781A
- Authority
- CN
- China
- Prior art keywords
- thread section
- rotating shaft
- nut
- plus
- screw mandrel
- 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.)
- Pending
Links
Images
Abstract
The invention discloses an unfolding and folding mechanism, which comprises two fixed seats, at least one rotating shaft which is inserted into the two fixed seats and is driven by a drive motor and a sliding rail which is arranged parallel to the rotating shaft, wherein a screw rod is sleeved on the rotating shaft; the left half part of the screw rod is provided with at least one plus thread section, and the right half part of the screw rod is provided with at least one minus thread section; when more than two plus thread sections or minus thread sections are provided, the thread distance among the more than two plus thread sections is unequal to the thread distance among the more than two minus thread sections; each plus or minus thread section is provided with a nut which is correspondingly matched with the plus or minus thread section respectively; the nut is used for clamping a clamped object through a clamping mechanism; the clamping mechanism is in sliding fit with the sliding rail; and when the drive motor is operated, the screw rod can be used for driving the plus or minus thread section on the screw rod to uniformly fold or unfold. In the unfolding and folding mechanism, the screw rod is driven to rotate by the drive motor, so that the nut on the screw rod can be forwardly or reversely moved, and the clamped object can be uniformly and stably unfolded or folded.
Description
Technical field
The present invention relates to a kind of deciliter mechanism.
Background technology
Separate or close up when all can realize a plurality of gripped object in existing a lot of equipment by a deciliter mechanism, exempt from deciliter mechanism of instrument as enzyme, it is generally and adopts four driving levers to stir the structure that eight sample needles separately close up simultaneously, but stability and precision exist not enough during the operation of this mechanism.
Summary of the invention
The present invention seeks to: a kind of deciliter mechanism is provided, and it drives screw mandrel by drive motors and rotates, and makes the nut forward on the screw mandrel or oppositely moves, and reaches gripped object evenly, stably separately or close up.
Technical scheme of the present invention is: a kind of deciliter mechanism; comprise two holders; at least one rotating shaft that is located in two holders and has the drive motors driving to rotate; and number is identical with rotating shaft and the slide rail that is provided with shaft parallel; the part of described rotating shaft between two holders is arranged with screw mandrel; the left-half of screw mandrel has a plus thread section at least; the right half part of screw mandrel has a left-hand thread section at least; when plus thread section or left-hand thread section have two when above; the spiral shell spacing of plural plus thread section or plural left-hand thread section is unequal; be respectively equipped with correspondingly nut engaged on described each plus thread section and each left-hand thread section; described nut has gripped object by the clamping device clamping; described clamping device and above-mentioned slide rail are slidingly matched; during the work of described drive motors, screw mandrel can drive it on the plus thread section and the left-hand thread section is evenly closed up or separate.
Further; described rotating shaft has two and be arranged in parallel; described slide rail also is corresponding two; described two rotating shafts drive rotation by drive motors simultaneously by transmission mechanism; nut on the above-mentioned screw mandrel that is positioned at a rotating shaft and nut on the screw mandrel that is positioned at another root rotating shaft are one and are provided with at interval every one on axial location; the clamping device of the nut on two screw mandrels all is arranged between two screw mandrels; and the gripped object in all clamping devices is located along the same line; this straight line parallel is in rotating shaft; during drive motors work, the thread segment that two screw mandrels can drive on it evenly closes up or separates.
Described transmission mechanism comprises the driving gear on the output shaft that is set in drive motors, and two driven gears that are set in respectively in two rotating shafts, and described driving gear and two driven gears are meshing with each other.
Advantage of the present invention is: the present invention drives screw mandrel by drive motors and rotates, and makes the nut forward on the screw mandrel or oppositely moves, and reaches gripped object evenly, stably separately or close up.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Structural representation when Fig. 1 is in separated position for the present invention;
Part-structure schematic diagram when Fig. 2 is in separated position for the present invention;
Structural representation when Fig. 3 closes up state for the present invention is in;
Part-structure schematic diagram when Fig. 4 closes up state for the present invention is in.
Wherein: 1 holder; 2 drive motors; 3 rotating shafts; 4 slide rails; 5 screw mandrels; 51 plus thread sections; 52 left-hand thread sections; 6 nuts; 7 clamping devices; 8 transmission mechanisms; 81 driving gears; 82 driven gears.
The specific embodiment
Embodiment: as shown in Figures 1 to 4, a kind ofly be used for deciliter mechanism that enzyme is exempted from instrument, comprise two holders 1, two are located in two holders 1 and the rotating shaft 3 that be arranged in parallel, and two slide rails 4 that be arranged in parallel with above-mentioned rotating shaft 3, the part of described rotating shaft 3 between two holders 1 is arranged with screw mandrel 5, the left-half of screw mandrel 5 has two plus thread sections 51, the right half part of screw mandrel 5 has two left-hand thread sections 52, the plus thread section 51(left-hand digit that is positioned at the outside in two plus thread sections 51 plays first plus thread section 51) axial length and spiral shell spacing play second plus thread section greater than being positioned at inboard plus thread section 51(left-hand digit) axial length and spiral shell spacing, the left-hand thread section 52(right-hand component that is positioned at the outside in two left-hand thread sections 52 plays first left-hand thread section 52) axial length and spiral shell spacing play second left-hand thread section 52 greater than being positioned at inboard left-hand thread section 52(right-hand component) axial length and spiral shell spacing, be respectively equipped with correspondingly nut engaged 6 on described each plus thread section 51 and each left-hand thread section 52, described nut 6 has sample needle by clamping device 7 clampings, and described clamping device 7 is slidingly matched with above-mentioned slide rail 4.Nut 6 on the above-mentioned screw mandrel 5 that is positioned at a rotating shaft 3 and nut 6 on the screw mandrel 5 that is positioned at another root rotating shaft 3 are one and are provided with at interval every one on axial location, the clamping device 7 of the nut 6 on two screw mandrels 5 all is arranged between two screw mandrels 5, and the sample needle in all clamping devices 7 is located along the same line, and this straight line parallel is in rotating shaft 3.Described two rotating shafts 3 drive rotation by drive motors 2 simultaneously by transmission mechanism 8, and during drive motors 2 work, the thread segment 51 and 52 that two screw mandrels 5 can drive on it evenly, stably closes up or separates.
Described transmission mechanism 8 comprises the driving gear 81 on the output shaft that is set in drive motors 2, and two driven gears 82 that are set in respectively in two rotating shafts 3, and described driving gear 81 and two driven gears 82 are meshing with each other.Such transmission mechanism 8 can realize that above-mentioned drive motors 2 drives two rotating shafts 3 simultaneously and rotates.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (3)
1. one kind of deciliter mechanism; it is characterized in that: comprise two holders (1); at least one rotating shaft (3) that is located in two holders (1) and has drive motors (2) driving to rotate; and number is identical with rotating shaft (3) and the slide rail (4) that be arranged in parallel with rotating shaft (3); the part that described rotating shaft (3) is positioned between two holders (1) is arranged with screw mandrel (5); the left-half of screw mandrel (5) has a plus thread section (51) at least; the right half part of screw mandrel (5) has a left-hand thread section (52) at least; when plus thread section (51) or left-hand thread section (52) have two when above; the spiral shell spacing of plural plus thread section (51) or plural left-hand thread section (52) is unequal; be respectively equipped with correspondingly nut engaged (6) on described each plus thread section (51) and each left-hand thread section (52); described nut (6) has gripped object by clamping device (7) clamping; described clamping device (7) is slidingly matched with above-mentioned slide rail (4); in described drive motors (2) when work,, screw mandrel (5) can drive it on plus thread section (51) and left-hand thread section (52) is evenly closed up or separate.
2. deciliter mechanism according to claim 1; it is characterized in that: described rotating shaft (3) has two and be arranged in parallel; described slide rail (4) also is corresponding two; described two rotating shafts (3) drive rotation by drive motors (2) simultaneously by transmission mechanism (8); nut (6) on the above-mentioned screw mandrel (5) that is positioned at a rotating shaft (3) and nut (6) on the screw mandrel (5) that is positioned at another root rotating shaft (3) are one and are provided with at interval every one on axial location; the clamping device (7) of the nut (6) on two screw mandrels (5) all is arranged between two screw mandrels (5); and the gripped object in all clamping devices (7) is located along the same line; this straight line parallel is in rotating shaft (3); during drive motors (2) work; the thread segment (51,52) that two screw mandrels (5) can drive on it evenly closes up or separates.
3. deciliter mechanism according to claim 2, it is characterized in that: described transmission mechanism (8) comprises the driving gear (81) on the output shaft that is set in drive motors (2), and two driven gears (82) that are set in respectively in two rotating shafts (3), described driving gear (81) is meshing with each other with two driven gears (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065049 CN102179781A (en) | 2011-03-17 | 2011-03-17 | Unfolding and folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065049 CN102179781A (en) | 2011-03-17 | 2011-03-17 | Unfolding and folding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102179781A true CN102179781A (en) | 2011-09-14 |
Family
ID=44566171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110065049 Pending CN102179781A (en) | 2011-03-17 | 2011-03-17 | Unfolding and folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102179781A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580801A (en) * | 2012-03-13 | 2012-07-18 | 苏州捷美电子有限公司 | Multi-channel sample feed equipment |
| CN104309169A (en) * | 2014-10-25 | 2015-01-28 | 郭玉 | Separating unit for combined cabinets |
| CN107283335A (en) * | 2016-04-04 | 2017-10-24 | 中建筑港集团有限公司 | A kind of plain type track bolt positioner |
| CN108068030A (en) * | 2016-11-08 | 2018-05-25 | 聚巨丰企业股份有限公司 | Screw piece fixture |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1220034A1 (en) * | 1984-07-02 | 1986-03-23 | Войсковая Часть 33872 | Attenuator |
| EP0251884A1 (en) * | 1986-07-01 | 1988-01-07 | Philippe Gallais | Control device for the simultaneous translation of several elements with different speeds, and its use in the control of telescopic door wings |
| CN2366430Y (en) * | 1999-01-23 | 2000-03-01 | 无锡市前进纺织仪器厂 | Controlling device for spreading textile fabrics and centering |
| CN2582773Y (en) * | 2002-11-26 | 2003-10-29 | 中国第二重型机械集团公司 | Portal type universal metal shape material straightening machine |
| CN201404786Y (en) * | 2009-02-19 | 2010-02-17 | 中国海洋石油总公司 | Polymer stirring device |
| CN201988897U (en) * | 2011-03-17 | 2011-09-28 | 苏州捷美电子有限公司 | Separating/closing mechanism |
-
2011
- 2011-03-17 CN CN 201110065049 patent/CN102179781A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1220034A1 (en) * | 1984-07-02 | 1986-03-23 | Войсковая Часть 33872 | Attenuator |
| EP0251884A1 (en) * | 1986-07-01 | 1988-01-07 | Philippe Gallais | Control device for the simultaneous translation of several elements with different speeds, and its use in the control of telescopic door wings |
| CN2366430Y (en) * | 1999-01-23 | 2000-03-01 | 无锡市前进纺织仪器厂 | Controlling device for spreading textile fabrics and centering |
| CN2582773Y (en) * | 2002-11-26 | 2003-10-29 | 中国第二重型机械集团公司 | Portal type universal metal shape material straightening machine |
| CN201404786Y (en) * | 2009-02-19 | 2010-02-17 | 中国海洋石油总公司 | Polymer stirring device |
| CN201988897U (en) * | 2011-03-17 | 2011-09-28 | 苏州捷美电子有限公司 | Separating/closing mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580801A (en) * | 2012-03-13 | 2012-07-18 | 苏州捷美电子有限公司 | Multi-channel sample feed equipment |
| CN104309169A (en) * | 2014-10-25 | 2015-01-28 | 郭玉 | Separating unit for combined cabinets |
| CN107283335A (en) * | 2016-04-04 | 2017-10-24 | 中建筑港集团有限公司 | A kind of plain type track bolt positioner |
| CN108068030A (en) * | 2016-11-08 | 2018-05-25 | 聚巨丰企业股份有限公司 | Screw piece fixture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2191933B1 (en) | Tool changer for machine tools | |
| CN102179781A (en) | Unfolding and folding mechanism | |
| CN104622573B (en) | A kind of four-degree-of-freedom remote centre of motion mechanism with high rigidity | |
| CN106736685B (en) | A kind of workpiece linking clamping mechanism on lathe | |
| CN204061754U (en) | Three gear diaxon shift speed change mechanisms | |
| WO2013092989A3 (en) | Tool unit having a device for switching between a first and a second gear ratio by changing the direction of rotation | |
| CN101412220B (en) | Telescopic manipulator | |
| EP2052946A3 (en) | Steering apparatus for motor vehicle | |
| CN104238093A (en) | Zoom lens and focusing mechanism of optical instrument | |
| CN109968335A (en) | Robots arm | |
| DE102007061793B3 (en) | Tool turret has power transmission unit as flexible drive which is guided through ring motor, and rotational axis of drive motor is arranged orthogonally to pivot axis of tool turret | |
| WO2009050655A3 (en) | Multi function engines | |
| CN201988897U (en) | Separating/closing mechanism | |
| DE102015014970A1 (en) | Machine tool for simultaneous machining | |
| CN104528602B (en) | Lowering or hoisting gear | |
| CN102554283A (en) | Differential type taper hole knife rest | |
| DE102012201987A1 (en) | Dual-clutch gearbox for use in motor car, has front wheel stages whose gear wheels are arranged on hollow shaft that is coaxial and arranged on countershaft to be firmly connected with another countershaft by couple-shift element | |
| EP2475498B1 (en) | Rotary indexing table having a direct drive of the transport cam | |
| CN202114295U (en) | Three-axle linkage boring bar for taper holes | |
| DE202009014041U1 (en) | Rotary table with direct drive of the transport curve | |
| CN102615308A (en) | Automatic hole drilling mechanism for multi-hole pipe | |
| EP2322325A3 (en) | Tool adapter | |
| CN102862051B (en) | Full-automatic machining tool for drive axle of automobile | |
| CN103337275A (en) | CT scanner filter switching device and switching method | |
| CN202727805U (en) | Tip driving device of large three-dimensional carving machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110914 |