CN109178343A - One kind helps exhibition to help contracting formula folding and unfolding mechanism - Google Patents
One kind helps exhibition to help contracting formula folding and unfolding mechanism Download PDFInfo
- Publication number
- CN109178343A CN109178343A CN201811140110.2A CN201811140110A CN109178343A CN 109178343 A CN109178343 A CN 109178343A CN 201811140110 A CN201811140110 A CN 201811140110A CN 109178343 A CN109178343 A CN 109178343A
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- China
- Prior art keywords
- hole
- parallel institution
- pin shaft
- folding
- layer bar
- Prior art date
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- Granted
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- 230000007246 mechanism Effects 0.000 title claims abstract description 61
- 238000003825 pressing Methods 0.000 claims abstract description 43
- 238000009827 uniform distribution Methods 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 23
- 239000002356 single layer Substances 0.000 claims description 22
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/66—Arrangements or adaptations of apparatus or instruments, not otherwise provided for
Abstract
The invention discloses one kind, and exhibition to be helped to help contracting formula folding and unfolding mechanism, folding and unfolding mechanism including driving mechanism and four groups of circumference uniform distributions, driving mechanism includes base, motor, lead screw, screw, bracket, pressing sleeve, spring, pressing plate, guide rod, swing rod, lead, guide wheel, auxiliary spring, and folding and unfolding mechanism is in series by main parallel institution and multiple secondary parallel institutions；Major and minor parallel institution includes upper and lower platform, single, double layer bar, left and right side stock and quarter butt；The upper and lower platform of single, double layer bar one end and screw, base or previous parallel institution is rotatablely connected, and the other end and upper and lower platform are rotatablely connected, midpoint rotation connection；The long and short bar one end in side and upper and lower platform are rotatablely connected, and side stock midpoint and the side quarter butt other end are rotatablely connected.Driving mechanism drives four groups of folding and unfolding mechanism compandings simultaneously；Bracket and base are connected by guide rod, and swing rod is connect with holder pivots, and spring assists swing rod to push away folding and unfolding mechanism stretching, extension by pressing sleeve；Auxiliary spring assists main parallel institution leave from office to shrink by screw etc..
Description
Technical field
The present invention relates to a kind of space folding and unfolding mechanisms, help exhibition to help contracting formula folding and unfolding mechanism more particularly, to one kind.
Background technique
Helping exhibition to help contracting formula folding and unfolding mechanism is the important component of space telescopic mechanism, main in all kinds of detected events
For flexible solar windsurfing, support Deployable antenna, synthetic aperture radar, space telescope etc. to be unfolded, or as gravity gradient
The structures such as bar, magnetic detecting set and separation electronic equipment play a significant role in space exploration task to reduce mutual interference.
Existing space folding and unfolding mechanism includes: invention granted patent CN102765492B: scissor-type space mast mechanism；
A kind of fan-shaped solar wing of invention granted patent CN103950558B repeats folding and unfolding mechanism；A kind of invention granted patent: variant flight
The outer wing folding and unfolding mechanism of device；Invention granted patent CN102285463B: the space telescopic mechanism as derived from five rotation pair units；
Invention granted patent CN105406164B: a kind of for radar antenna fast erecting and the support arm folding and unfolding mechanism for removing receipts；Invention
Granted patent: a kind of for radar antenna fast erecting and the support arm folding and unfolding mechanism for removing receipts；Invention granted patent
CN104022337B: the modular space curved surface folding exhibition antenna mechanism based on rib mechanism.
These folding and unfolding mechanisms of the prior art are with their own characteristics, but some folding and unfolding mechanisms are during multiple folding exhibition at present, just
Begin folding exhibition or to terminate retracted position and usually requires mechanism very large driving force is provided, this, which is unfavorable for repeatedly rolling over stent, contracts, and makes folding exhibition
Mechanism weight increases.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides one kind, and exhibition to be helped to help contracting formula folding and unfolding mechanism.
To achieve the above object, the present invention is realized according to following technical scheme:
One kind helps exhibition to help contracting formula folding and unfolding mechanism, including the uniformly distributed folding and unfolding mechanism of driving mechanism and four groups of structure same circumferences,
It is characterized by: the driving mechanism includes base (1), motor (2), lead screw (3), screw (4), bracket (5), pressing sleeve (6), bullet
Spring (7), guide rod (8), pressing plate (9), swing rod (10), lead (11), guide wheel (12), auxiliary spring (13), wherein the base (1)
It is in disk form, axial thread through-hole and the tangential through-hole of circumference equipped with axial central through hole, 4 circumference uniform distributions；The lead screw (3)
One end be equipped with keyhole and the cylinder coaxial with keyhole, the middle part of the lead screw (3) is equipped with the threaded post coaxial with keyhole, described
The other end of lead screw (3) is equipped with the cylinder coaxial with keyhole；The screw (4) is in disk form, is equipped with axial centre cylinder boss
With the axially extending bore and 4 tangential through-holes of circumference of tapped through hole, 4 circumference uniform distributions；The bracket (5) is in disk form, is equipped with axis
To central through hole, the axial thread through-hole and the tangential boss through-hole of 4 circumference of 4 circumference uniform distributions；The pressing sleeve (6) is in cylinder
Shape is axially arranged with central through hole, cavity, evagination disk and 4 circumference uniform distribution through-holes；The pressing plate (9) is in disk form, is equipped with axis
To central through hole and 4 circumference uniform distribution through-holes；Axial cylindrical is equipped in the middle part of the guide rod (8), guide rod (8) both ends are set respectively
There is the thread cylinder coaxial with cylinder；The swing rod (10) is in rectangular block, and upper end is equipped with eccentric through-hole and boss, and lower end is equipped with and pushes away
Bar；Motor (2) is fixedly connected with base (1), and the drive shaft of motor (2) passes through the central through hole of base and the one end of lead screw (3)
Inner hole key connection；One end cylinder of lead screw (3) and the central through hole of base are rotatablely connected, the other end cylinder and branch of lead screw (3)
The central through hole of frame (5) is rotatablely connected；The tapped through hole of screw (4) is threadedly coupled with the threaded post of lead screw (3), spring (7), pressure
Set (6) and pressing plate (9) are sequentially sleeved on lead screw (3), and 4 guide rods (8) slide through pressing sleeve (6), pressing plate (9) and screw simultaneously
(4) 4 circumference axially extending bores, the threaded one end column of 4 guide rods (8) is fixed with 4 tapped through holes of base (1) respectively to be connected
It connects, the other end threaded post of 4 guide rods (8) is fixedly connected with 4 tapped through holes of bracket (5) respectively；The both ends of spring (7) are supported
Bracket (5) below with the cavity of pressing sleeve (6) above, the evagination disk of pressing sleeve (6) is against the boss of 4 swing rods (10) simultaneously
On, the eccentric orfice of each swing rod (10) is rotatablely connected with the tangential boss through-hole of circumference of bracket (5) with pin；
The folding and unfolding mechanism include a main parallel institution, the main parallel institution include appear on the stage (14-1), leave office (14-
2), single layer bar (14-4), Double layer Bar (14-3), left side stock (14-5), left side quarter butt (14-6), pin shaft (14-7), right side are long
Bar (14-8) and right side quarter butt (14-9)；
The leave from office (14-2) and (14-1) symmetrical shape of appearing on the stage appear on the stage (14-1) in rectangular block, are equipped with longitudinal hole, on
The both ends of platform (14-1) are designed with the cross through hole of orthogonal longitudinal hole, and the middle part of (14-1) of appearing on the stage is equipped with orthogonal longitudinal hole
Transversal slotting；Single layer bar (14-4), the both ends of Double layer Bar (14-3) and left side stock (14-5) and middle part are designed with and are parallel to each other
Through-hole, the both ends of left side quarter butt (14-6) are equipped with the through-hole being parallel to each other；The single layer bar (14-4) of main parallel institution is located at double
Between layer bar (14-3), one end through-hole and the tangential through-hole of screw (4) of single layer bar (14-4) are rotatablely connected with pin shaft, single layer bar
The midpoint through-hole of (14-4) and the midpoint through-hole of Double layer Bar (14-3) are rotatablely connected with pin shaft, and the other end of single layer bar (14-4) is logical
The longitudinal hole of the appearing on the stage of hole and parallel institution (14-1) is rotatablely connected with pin shaft, one end through-hole and base of Double layer Bar (14-3)
(1) tangential through-hole is rotatablely connected with pin shaft, the longitudinal hole pin of Double layer Bar (14-3) other end through-hole and leave from office (14-2)
Axis rotation connection；
The left end cross through hole of the appearing on the stage of one end of left side quarter butt (14-6) and main parallel institution (14-1) is rotated with pin shaft
Connection, one end of left side stock (14-5) and the left end cross through hole of leave from office (14-2) are rotatablely connected with pin shaft, left side stock
(14-5) midpoint through-hole is rotatablely connected with left side quarter butt (14-6) other end through-hole with pin shaft；One end of right side stock (14-8) with
The right end cross through hole of the appearing on the stage of main parallel institution (14-1) is rotatablely connected with pin shaft, one end of right side quarter butt (14-9) and leave from office
The right end cross through hole of (14-2) is rotatablely connected with pin shaft, and right side stock (14-8) midpoint through-hole is another with right side quarter butt (14-9)
One end through-hole is rotated with pin shaft to be coupled；
4 guide wheels (12) are rotatablely connected with 4 tangential through-holes of circumference of base (1) with pin shaft respectively, 4 leads (11) point
Not Rao Guo 4 guide wheels (12), the both ends of each lead (11) are separately connected the leave from office (14-2) of pressing plate (9) and main parallel institution；4
A auxiliary spring (13) is respectively fitted on 4 guide rods (8), and each auxiliary spring (13) both ends are against pressing plate (9) below and on screw (4)
Axial end.
In above-mentioned technical proposal, the folding and unfolding mechanism further includes that multiple pairs identical with the main parallel institution structure are in parallel
Mechanism, each pair parallel institution, which is symmetrical arranged relative to main parallel institution and passes through main parallel institution, to be connected in series；It is each secondary in parallel
Mechanism by one end through-hole of single layer bar (14-4) and Double layer Bar (14-3) it is corresponding with adjacent parallel institution respectively on
Platform (14-1), leave office (14-2) longitudinal hole be rotatablely connected with pin shaft.
Compared with prior art, the present invention having the following beneficial effects:
The present invention is during multiple folding exhibition, due to changing driving force side of mechanism in initial folding exhibition or termination retracted position
To, therefore substantially reduce in initial folding exhibition or terminate mechanism driving force required for retracted position.As a result it not only contributes to roll over
Stent contracting, also mitigates folding and unfolding mechanism overall weight.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
The cross-sectional view of folding and unfolding mechanism Fig. 1 of the invention；
Fig. 2 present invention includes the folding and unfolding mechanism cross-sectional view of dotted line extended state position；
The stretching machine composition of folding and unfolding mechanism Fig. 3 of the invention；
Wherein, appended drawing reference: 1- base, 2- motor, 3- lead screw, 4- screw, 5- bracket, 6- pressing sleeve, 7- spring, 8- are led
Bar, 9- pressing plate, 10- swing rod, 11- lead, 12- guide wheel, the auxiliary spring of 13-, 14-1- appear on the stage, and 14-2- leaves office, 14-3- Double layer Bar,
14-4- single layer bar, the left side 14-5- stock, the left side 14-6- quarter butt, 14-7- pin shaft, the right side 14-8- stock, the right side 14-9- are short
Bar.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " radial direction ", " axial direction ", "upper", "lower", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As depicted in figs. 1 and 2, one kind of the invention helps exhibition to help contracting formula folding and unfolding mechanism, and one kind helps exhibition to help contracting formula folding and unfolding mechanism,
Including the uniformly distributed folding and unfolding mechanism of driving mechanism and four groups of structure same circumferences, the driving mechanism includes base 1, motor 2, lead screw
3, screw 4, bracket 5, pressing sleeve 6, spring 7, guide rod 8, pressing plate 9, swing rod 10, lead 11, guide wheel 12, auxiliary spring 13, wherein described
Base 1 is in disk form, axial thread through-hole and the tangential through-hole of circumference equipped with axial central through hole, 4 circumference uniform distributions；The silk
One end of thick stick 3 is equipped with keyhole and the cylinder coaxial with keyhole, and the middle part of the lead screw 3 is equipped with the threaded post coaxial with keyhole, institute
The other end for stating lead screw 3 is equipped with the cylinder coaxial with keyhole；The screw 4 is in disk form, be equipped with axial centre cylinder boss and
The axially extending bore and 4 tangential through-holes of circumference of tapped through hole, 4 circumference uniform distributions；The bracket 5 is in disk form, is equipped in axial direction
The axial thread through-hole and the tangential boss through-hole of 4 circumference of heart through-hole, 4 circumference uniform distributions；The pressing sleeve 6 is cylindrical, axial
Equipped with central through hole, cavity, evagination disk and 4 circumference uniform distribution through-holes；The pressing plate 9 is in disk form, logical equipped with axial centre
Hole and 4 circumference uniform distribution through-holes；Axial cylindrical is equipped in the middle part of the guide rod 8,8 both ends of guide rod are respectively equipped with coaxial with cylinder
Thread cylinder；The swing rod 10 is in rectangular block, and upper end is equipped with eccentric through-hole and boss, and lower end is equipped with push rod；Motor 2 and base
1 is fixedly connected, and one end inner hole of central through hole and lead screw 3 that the drive shaft of motor 2 passes through base is keyed；One end of lead screw 3
The rotation connection of the central through hole of cylinder and base, the other end cylinder of lead screw 3 and the central through hole of bracket 5 are rotatablely connected；Screw 4
Tapped through hole be threadedly coupled with the threaded post of lead screw 3, spring 7, pressing sleeve 6 and pressing plate 9 are sequentially sleeved on lead screw 3,4 guide rods
8 slide through 4 circumference axially extending bores of pressing sleeve 6, pressing plate 9 and screw 4 simultaneously, the threaded one end column of 4 guide rods 8 respectively with machine
4 tapped through holes of seat 1 are fixedly connected, and the other end threaded post of 4 guide rods 8 is fixed with 4 tapped through holes of bracket 5 respectively to be connected
It connects；The both ends of spring 7 are against bracket 5 below and above the cavity of pressing sleeve 6, and the evagination disk of pressing sleeve 6 is against 4 swing rods 10 simultaneously
Boss on, the eccentric orfice of each swing rod 10 and the tangential boss through-hole of the circumference of bracket 5 are rotatablely connected with pin.
As shown in figures 1 and 3, the folding and unfolding mechanism of the invention includes a main parallel institution, the main parallel institution
Including the 14-1 that appears on the stage, leave from office 14-2, single layer bar 14-4, Double layer Bar 14-3, left side stock 14-5, left side quarter butt 14-6, pin shaft 14-
7, right side stock (14-8) and right side quarter butt (14-9)；
The leave from office 14-2 and 14-1 symmetrical shape of appearing on the stage, the 14-1 that appears on the stage are in rectangular block, are equipped with longitudinal hole, appear on the stage 14-1
Both ends be designed with the cross through hole of orthogonal longitudinal hole, the middle part for the 14-1 that appears on the stage is equipped with the transversal slotting of orthogonal longitudinal hole；
The both ends and middle part of single layer bar 14-4, Double layer Bar 14-3 and left side stock 14-5 are designed with the through-hole being parallel to each other, left side quarter butt
The both ends of 14-6 are equipped with the through-hole being parallel to each other；The single layer bar 14-4 of main parallel institution is between Double layer Bar 14-3, single layer bar
One end through-hole of 14-4 is rotatablely connected with the tangential through-hole of screw 4 with pin shaft, the midpoint through-hole and Double layer Bar 14- of single layer bar 14-4
3 midpoint through-hole is rotatablely connected with pin shaft, and the longitudinal direction of the 14-1 that appears on the stage of the other end through-hole and parallel institution of single layer bar 14-4 is logical
Hole is rotatablely connected with pin shaft, and one end through-hole of Double layer Bar 14-3 is rotatablely connected with the tangential through-hole of base 1 with pin shaft, Double layer Bar
14-3 other end through-hole and the longitudinal hole of leave from office 14-2 are rotatablely connected with pin shaft；
The left end cross through hole of the 14-1 that appears on the stage of one end and main parallel institution of left side quarter butt 14-6 is rotatablely connected with pin shaft,
One end of left side stock 14-5 is rotatablely connected with the left end cross through hole of leave from office 14-2 with pin shaft, the left side midpoint stock 14-5 through-hole
It is rotatablely connected with left side quarter butt 14-6 other end through-hole with pin shaft；It appears on the stage with main parallel institution one end of right side stock 14-8
The right end cross through hole of 14-1 is rotatablely connected with pin shaft, one end of right side quarter butt (14-9) and the right end cross through hole of leave from office 14-2
It is rotatablely connected with pin shaft, the other end through-hole of right side stock (14-8) midpoint through-hole and right side quarter butt (14-9) are rotated with pin shaft to be joined
It connects；
4 guide wheels 12 are rotatablely connected with 4 tangential through-holes of circumference of base 1 with pin shaft respectively, and 4 leads 11 bypass respectively
4 guide wheels 12, the both ends of each lead 11 are separately connected the leave from office 14-2 of pressing plate 9 and main parallel institution；4 auxiliary springs 13 are distinguished
It covers on 4 guide rods 8, each auxiliary 13 both ends of spring are against below pressing plate 9 and axial end on screw 4.
Wherein, the folding and unfolding mechanism of the invention further includes multiple secondary parallel machines identical with the main parallel institution structure
Structure, each pair parallel institution, which is symmetrical arranged relative to main parallel institution and passes through main parallel institution, to be connected in series；Each pair parallel machine
Structure by one end through-hole of single layer bar 14-4 and Double layer Bar 14-3 respectively appear on the stage 14-1 corresponding with adjacent parallel institution,
The longitudinal hole of leave from office 14-2 is rotatablely connected with pin shaft.
When stretching, extension, motor drives screw to move down disengaging pressing sleeve by lead screw, and spring forces pressing sleeve, to moving down, to be pressed along lead screw shaft
The evagination disk of set pushes the boss rotation of 4 swing rods simultaneously, and the lower end push rod of swing rod is forced to push outwardly on main parallel institution
The midpoint pin shaft of single, double layer bar, auxiliary folding and unfolding mechanism stretching, extension；Lead relaxation simultaneously reduces stretching, extension resistance.When folding and unfolding mechanism continues
Stretching, extension, need to drive the thrust of screw to reduce, swing rod rotation to extreme position, the push rod of swing rod be detached from main parallel institution list,
Double layer Bar midpoint pin shaft, the no longer stretching, extension of auxiliary folding and unfolding mechanism.
Fig. 2 is the folding and unfolding mechanism cross-sectional view that the present invention includes dotted line extended state position；Dotted line is main parallel institution stretching, extension
State position.
When contraction, motor drives screw to move up the boss for forcing the evagination disk of pressing sleeve to be detached from swing rod by lead screw, makes to put
Bar freely resets, while auxiliary spring is pressurized, force pressing plate with screw along lead screw shaft to moving up, while drawing each lead around leading
Wheel pulls the leave from office of main parallel institution to be close to lead screw, and auxiliary folding and unfolding mechanism is shunk.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (2)
1. one kind helps exhibition to help contracting formula folding and unfolding mechanism, including the uniformly distributed folding and unfolding mechanism of driving mechanism and four groups of structure same circumferences,
Be characterized in that: the driving mechanism includes base (1), motor (2), lead screw (3), screw (4), bracket (5), pressing sleeve (6), spring
(7), guide rod (8), pressing plate (9), swing rod (10), lead (11), guide wheel (12), auxiliary spring (13), wherein the base (1) is in
Disc, axial thread through-hole and the tangential through-hole of circumference equipped with axial central through hole, 4 circumference uniform distributions；The lead screw (3)
One end is equipped with keyhole and the cylinder coaxial with keyhole, and the middle part of the lead screw (3) is equipped with the threaded post coaxial with keyhole, the silk
The other end of thick stick (3) is equipped with the cylinder coaxial with keyhole；The screw (4) is in disk form, be equipped with axial centre cylinder boss and
The axially extending bore and 4 tangential through-holes of circumference of tapped through hole, 4 circumference uniform distributions；The bracket (5) is in disk form, is equipped with axial
The axial thread through-hole and the tangential boss through-hole of 4 circumference of central through hole, 4 circumference uniform distributions；The pressing sleeve (6) is cylindrical,
It is axially arranged with central through hole, cavity, evagination disk and 4 circumference uniform distribution through-holes；The pressing plate (9) is in disk form, is equipped with axial
Central through hole and 4 circumference uniform distribution through-holes；Axial cylindrical is equipped in the middle part of the guide rod (8), guide rod (8) both ends are respectively equipped with
The coaxial thread cylinder with cylinder；The swing rod (10) is in rectangular block, and upper end is equipped with eccentric through-hole and boss, and lower end is equipped with and pushes away
Bar；Motor (2) is fixedly connected with base (1), and the drive shaft of motor (2) passes through the central through hole of base and the one end of lead screw (3)
Inner hole key connection；One end cylinder of lead screw (3) and the central through hole of base are rotatablely connected, the other end cylinder and branch of lead screw (3)
The central through hole of frame (5) rotates connection；The tapped through hole of screw (4) and the threaded post thread connection of lead screw (3), spring (7), pressure
Set (6) and pressing plate (9) are sequentially sleeved on lead screw (3), and 4 guide rods (8) slide through pressing sleeve (6), pressing plate (9) and screw simultaneously
(4) 4 circumference axially extending bores, the threaded one end column of 4 guide rods (8) is fixed with 4 tapped through holes of base (1) respectively to be connected
It connects, the other end threaded post of 4 guide rods (8) is fixedly connected with 4 tapped through holes of bracket (5) respectively；The both ends of spring (7) are supported
Bracket (5) below with the cavity of pressing sleeve (6) above, the evagination disk of pressing sleeve (6) is against the boss of 4 swing rods (10) simultaneously
On, the eccentric orfice of each swing rod (10) couples with the tangential boss through-hole pin rotation of the circumference of bracket (5)；
The folding and unfolding mechanism includes a main parallel institution, and the main parallel institution includes appearing on the stage (14-1), leaving office (14-2), is single
Layer bar (14-4), Double layer Bar (14-3), left side stock (14-5), left side quarter butt (14-6), pin shaft (14-7), right side stock (14-
And right side quarter butt (14-9) 8)；
The leave from office (14-2) and (14-1) symmetrical shape of appearing on the stage appear on the stage (14-1) in rectangular block, are equipped with longitudinal hole, appear on the stage
The both ends of (14-1) are designed with the cross through hole of orthogonal longitudinal hole, appear on the stage (14-1) middle part be equipped with orthogonal longitudinal hole cross
To fluting；Single layer bar (14-4), the both ends of Double layer Bar (14-3) and left side stock (14-5) and middle part, which are designed with, to be parallel to each other
Through-hole, the both ends of left side quarter butt (14-6) are equipped with the through-hole being parallel to each other；The single layer bar (14-4) of main parallel institution is located at bilayer
Between bar (14-3), one end through-hole and the tangential through-hole of screw (4) of single layer bar (14-4) are rotatablely connected with pin shaft, single layer bar
The midpoint through-hole of (14-4) and the midpoint through-hole of Double layer Bar (14-3) are rotatablely connected with pin shaft, and the other end of single layer bar (14-4) is logical
The longitudinal hole pin shaft rotation of the appearing on the stage of hole and parallel institution (14-1) couples, one end through-hole and base of Double layer Bar (14-3)
(1) tangential through-hole is rotated with pin shaft to be coupled, the longitudinal hole pin of Double layer Bar (14-3) other end through-hole and leave from office (14-2)
Axis rotation connection；
The left end cross through hole pin shaft rotation of the appearing on the stage of one end of left side quarter butt (14-6) and main parallel institution (14-1) couples,
One end of left side stock (14-5) couples with the rotation of the left end cross through hole pin shaft of leave from office (14-2), in left side stock (14-5)
Point through-hole is rotatablely connected with left side quarter butt (14-6) other end through-hole with pin shaft；One end of right side stock (14-8) and main parallel machine
The right end cross through hole pin shaft rotation connection of the appearing on the stage of structure (14-1), one end of right side quarter butt (14-9) and leave from office (14-2's)
Right end cross through hole is rotated with pin shaft to be coupled, the other end through-hole of right side stock (14-8) midpoint through-hole and right side quarter butt (14-9)
It is rotated and is coupled with pin shaft；
4 guide wheels (12) couple with the tangential through-hole pin shaft rotation of 4 circumference of base (1) respectively, 4 leads (11) rotating around
4 guide wheels (12) are crossed, the both ends of each lead (11) are separately connected the leave from office (14-2) of pressing plate (9) and main parallel institution；4 auxiliary
Spring (13) is respectively fitted on 4 guide rods (8), each auxiliary spring (13) both ends be against pressing plate (9) below with shaft end on screw (4)
Face.
2. one kind according to claim 1 helps exhibition to help contracting formula folding and unfolding mechanism, which is characterized in that the folding and unfolding mechanism further includes
Multiple secondary parallel institutions identical with the main parallel institution structure, each pair parallel institution are symmetrical arranged relative to main parallel institution
And pass through main parallel institution coupled in series；One end that each pair parallel institution passes through single layer bar (14-4) and Double layer Bar (14-3)
Through-hole is corresponding with adjacent parallel institution respectively to appear on the stage (14-1), the longitudinal hole of (14-2) of leaving office is rotated with pin shaft and joins
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140110.2A CN109178343B (en) | 2018-09-28 | 2018-09-28 | Unfolding-assisting and shrinking-assisting type folding and unfolding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140110.2A CN109178343B (en) | 2018-09-28 | 2018-09-28 | Unfolding-assisting and shrinking-assisting type folding and unfolding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109178343A true CN109178343A (en) | 2019-01-11 |
| CN109178343B CN109178343B (en) | 2020-03-31 |
Family
ID=64906654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811140110.2A Active CN109178343B (en) | 2018-09-28 | 2018-09-28 | Unfolding-assisting and shrinking-assisting type folding and unfolding mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112723129A (en) * | 2020-12-30 | 2021-04-30 | 安徽先河建筑工程有限公司 | Auxiliary hoisting device for steel reinforcement cage |
| CN113895659A (en) * | 2021-11-25 | 2022-01-07 | 苏州馥昶空间技术有限公司 | Sun wing unfolding device |
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| CN113895659A (en) * | 2021-11-25 | 2022-01-07 | 苏州馥昶空间技术有限公司 | Sun wing unfolding device |
| CN113895659B (en) * | 2021-11-25 | 2023-09-19 | 苏州馥昶空间技术有限公司 | Solar wing opening device |
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| CN109178343B (en) | 2020-03-31 |
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