CN107316661B - Fan-shaped folding and unfolding structure - Google Patents
Fan-shaped folding and unfolding structure Download PDFInfo
- Publication number
- CN107316661B CN107316661B CN201610272412.XA CN201610272412A CN107316661B CN 107316661 B CN107316661 B CN 107316661B CN 201610272412 A CN201610272412 A CN 201610272412A CN 107316661 B CN107316661 B CN 107316661B
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- hinged
- triangular plate
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- hinging
- rods
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- G—PHYSICS
- G12—INSTRUMENT DETAILS
- G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
- G12B3/00—Details of movements not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/34—Supporting means, e.g. frames
- E04H15/44—Supporting means, e.g. frames collapsible, e.g. breakdown type
- E04H15/46—Supporting means, e.g. frames collapsible, e.g. breakdown type telescoping and foldable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
- Tents Or Canopies (AREA)
Abstract
A sector folding and unfolding structure is composed of a plurality of pairs of triangular plate assemblies which are hinged to form a sector arc and two telescopic arm assemblies which are hinged to form two sectors with two radiuses; the triangular plate component is formed by hinging vertexes corresponding to the longest edges of the two and three angle plates; the vertexes of the inner sides of the triangular plate assemblies at the two ends are hinged with the vertexes of the adjacent triangular plate assemblies, and the vertexes of the outer sides are hinged with the telescopic arm assembly; the telescopic arm comprises an auxiliary connecting piece component and an auxiliary connecting rod component; the connecting piece component is formed by hinging the vertexes of the two arrow heads; the connecting rod assembly is formed by hinging one ends of two connecting rods; the end points of the inner sides of the two arrow heads are hinged with the top points of the outer sides of the adjacent triangular plate components; the bottom ends of the two arrow rods are respectively hinged at the non-hinged ends of the two connecting rods. According to the fan-shaped folding and unfolding structure provided by the invention, any telescopic arm can be used as a driving pair, so that the fan-shaped amplitude is changed from large to small or from small to large under the driving action; simple structure and swift laborsaving, the saving cost of drive.
Description
Technical Field
The invention relates to the field of scissor mechanisms, in particular to a fan-shaped folding and unfolding structure.
Background
scissor-type folding structures are currently used and developed in a wide variety of applications, such as collapsible tents, retractable curtains, elevators, foldable table lights, etc. The telescopic folding structure has the characteristics of large expansion ratio and small occupied space after the telescopic folding structure is contracted, so the telescopic folding structure is applied to a plurality of industries, but the existing scissor folding structure is only suitable for the expansion movement in the linear direction, and the shape structure of the scissor folding structure is generally linear and has certain unicity, thereby limiting the application of the scissor folding structure in various aspects.
Disclosure of Invention
The invention aims to provide a fan-shaped folding and unfolding structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
A sector folding and unfolding structure is composed of a plurality of pairs of triangular plate assemblies which are hinged to form a sector arc and two telescopic arm assemblies which are hinged to form a sector arc and have two radiuses;
The triangular plate component is formed by hinging vertexes corresponding to the longest edges of the two and three angle plates, and the hinging position of the vertex corresponding to the longest edge is a first hinging part; vertexes on two sides of each middle triangular plate component are hinged with vertexes of the adjacent triangular plate components, and the vertex hinged position of the adjacent triangular plate components is a second hinged part; the vertexes of the inner sides of the triangular plate assemblies at the two ends are hinged with the vertexes of the adjacent triangular plate assemblies, and the vertexes of the outer sides are hinged with the telescopic arm assembly;
The telescopic arm comprises an auxiliary connecting piece assembly and an auxiliary connecting rod assembly; the connecting piece assembly is formed by hinging the vertexes of the two arrow rods, and the vertex hinging position of the arrow rods is a third hinging part; the connecting rod assembly is formed by hinging one ends of two connecting rods; the end points of the inner sides of the two arrow rods are hinged with the top points of the outer sides of the adjacent triangular plate assemblies, and the hinged positions of the end points of the arrow rods and the top points of the triangular plate assemblies are fourth hinged parts; the bottom ends of the two arrow rods are respectively hinged to the ends, which are not hinged, of the two connecting rods, the end points of the arrow rods are hinged to the connecting rods to form a fifth hinged portion, the two connecting rod assemblies of the two telescopic arms are hinged through connecting pieces, and the hinged positions of the two connecting rod assemblies are sixth hinged portions.
Preferably, the vertexes of two sides of each middle triangular plate component are hinged with the vertexes of the adjacent triangular plate components in a crossing manner; two end points of the inner sides of the two connecting piece components are hinged with the vertexes of the outer sides of the adjacent triangular plate components in a crossing manner.
preferably, the set square is an isosceles set square.
Further preferably, the triangle is an isosceles obtuse triangle.
According to the fan-shaped folding and unfolding structure provided by the invention, any telescopic arm can be used as a driving pair, so that the fan-shaped amplitude is changed from large to small or from small to large under the driving action; simple structure and swift laborsaving, the saving cost of drive.
Drawings
FIG. 1 is a schematic illustration of the configuration of an embodiment of the present invention when collapsed;
fig. 2 is a schematic diagram of an extended configuration of an embodiment of the present invention.
wherein: 1-a triangular plate, 2-a first hinge part, 3-a second hinge part, 4-a fourth hinge part, 5-an arrow rod, 6-a third hinge part, 7-a connecting rod, 8-a fifth hinge part and 9-a sixth hinge part.
Detailed Description
the technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
it is to be noted that the drawings are merely schematic representations for illustrating the present solution and are not to be drawn strictly to scale, wherein corresponding dimensional adjustments are made for the purpose of illustrating certain technical problems, which are merely for convenience of understanding of the solution and do not constitute a substantial limitation of the solution.
A sector folding and unfolding structure is composed of a plurality of pairs of triangular plate assemblies which are hinged to form a sector arc and two telescopic arm assemblies which are hinged to form a sector arc and have two radiuses;
The triangular plate component is formed by hinging vertexes corresponding to the longest edges of two triangular plates 1, and the hinging position of the vertex corresponding to the longest edge is a first hinging part 2; vertexes on two sides of each middle triangular plate component are hinged with vertexes of the adjacent triangular plate components, and the vertex hinge position of the adjacent triangular plate component is a second hinge part 3; the vertexes of the inner sides of the triangular plate assemblies at the two ends are hinged with the vertexes of the adjacent triangular plate assemblies, and the vertexes of the outer sides are hinged with the telescopic arm assembly;
The telescopic arm comprises an auxiliary connecting piece assembly and an auxiliary connecting rod assembly; the connecting piece assembly is formed by hinging the top points of two arrow rods 5, and the hinged position of the top points of the arrow rods is a third hinged part 6; the connecting rod assembly is formed by hinging one ends of two connecting rods 7; the end points of the inner sides of the two arrow rods 5 are hinged with the top points of the outer sides of the adjacent triangular plate assemblies, and the hinged positions of the end points of the arrow rods 5 and the top points of the triangular plate assemblies are fourth hinged parts 4; the bottom ends of the two arrow rods are respectively hinged to the ends, which are not hinged, of the two connecting rods 7, the end point of the arrow rod 5 is hinged to the connecting rod 7 to form a fifth hinge part 8, the two connecting rod components of the two telescopic arms are hinged through a connecting piece, and the hinge position of the two connecting rod components is a sixth hinge part 9.
As shown in fig. 1 and 2, the two telescopic booms play a role in driving an arc formed by hinging a plurality of triangular plate assemblies to contract or extend, each telescopic boom comprises a pair of connecting piece assemblies and a pair of connecting rod assemblies, the connecting rod assembly of one telescopic boom in the two telescopic booms is used as a driving pair, one of the connecting rod assemblies in the two telescopic booms can be selected as a driving pair, namely, the connecting rod assembly in one telescopic boom changes relative position under the driving of a motor or a cylinder, and the connecting rod assembly in the other telescopic boom is used as a driven pair; when the driving pair is at the position shown in figure 1, a plurality of outer connecting points of the set square form a sector radian; when the driving pair is in the position shown in fig. 2, a plurality of outer connecting points of the set square form a relatively small sector arc; the sector amplitude is changed from large to small or from small to large under the driving action. When the driving motor is a numerical control motor, such as a stepping motor or a servo motor, the size of the fan-shaped amplitude can be numerically controlled. The sectors may also be formed into circular or semicircular rings, i.e., retractable circular or semicircular rings, as desired for the application. Applications are for instance in teaching toys, exhibition placements and advertising, etc. The invention adopts an arc formed by hinging a plurality of triangular plate components and two radiuses formed by hinging two telescopic arm components to form a fan-shaped folding and unfolding structure, wherein any telescopic arm can be used as a driving pair, so that the fan-shaped amplitude is changed from big to small or from small to big under the driving action; simple structure and swift laborsaving, the saving cost of drive.
preferably, the vertexes of two sides of each middle triangular plate component are hinged with the vertexes of the adjacent triangular plate components in a crossing manner; two end points of the inner sides of the two connecting piece components are hinged with the vertexes of the outer sides of the adjacent triangular plate components in a crossing manner.
The connection mode makes the extension or the contraction of the fan-shaped folding and unfolding structure easier.
Preferably, the triangle 1 is an isosceles triangle. The isosceles triangle makes the connection between the triangular plate components more convenient and easier, and can increase the fan-shaped folding and unfolding structure and save the material, thereby reducing the cost
Further preferably, the triangle 1 is an isosceles obtuse triangle. The fan-shaped folding and unfolding structure is further enlarged, meanwhile, materials are further saved, the fan-shaped folding and unfolding structure is enlarged without increasing the number of the set square components, and the manufacturing cost is greatly reduced.
the technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (4)
1. A fan-shaped retractable structure is characterized in that: the sector folding and unfolding structure consists of a plurality of pairs of triangular plate assemblies which are hinged to form a sector arc and two telescopic arm assemblies which are hinged to form two sectors with two radiuses;
The triangular plate component is formed by hinging vertexes corresponding to the longest edges of the two and three angle plates, and the hinging position of the vertex corresponding to the longest edge is a first hinging part; vertexes on two sides of each middle triangular plate component are hinged with vertexes of the adjacent triangular plate components, and the vertex hinged position of the adjacent triangular plate components is a second hinged part; the vertexes of the inner sides of the triangular plate assemblies at the two ends are hinged with the vertexes of the adjacent triangular plate assemblies, and the vertexes of the outer sides are hinged with the telescopic arm assembly;
The telescopic arm comprises an auxiliary connecting piece assembly and an auxiliary connecting rod assembly; the connecting piece assembly is formed by hinging the vertexes of the two arrow rods, and the vertex hinging position of the arrow rods is a third hinging part; the connecting rod assembly is formed by hinging one ends of two connecting rods; the end points of the inner sides of the two arrow rods are hinged with the top points of the outer sides of the adjacent triangular plate assemblies, and the hinged positions of the end points of the arrow rods and the top points of the triangular plate assemblies are fourth hinged parts; the bottom ends of the two arrow rods are respectively hinged to the ends, which are not hinged, of the two connecting rods, the end points of the arrow rods are hinged to the connecting rods to form a fifth hinged portion, the two connecting rod assemblies of the two telescopic arms are hinged through connecting pieces, and the hinged positions of the two connecting rod assemblies are sixth hinged portions.
2. A fan-shaped retracting structure according to claim 1, wherein: vertexes on two sides of each middle triangular plate component are hinged with vertexes of the adjacent triangular plate components in a crossing manner; two end points of the inner sides of the two connecting piece components are hinged with the vertexes of the outer sides of the adjacent triangular plate components in a crossing manner.
3. A fan-shaped retracting structure according to claim 1, wherein: the set square is an isosceles set square.
4. A fan-shaped retracting structure according to claim 3, wherein: the set square is an isosceles obtuse triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272412.XA CN107316661B (en) | 2016-04-27 | 2016-04-27 | Fan-shaped folding and unfolding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272412.XA CN107316661B (en) | 2016-04-27 | 2016-04-27 | Fan-shaped folding and unfolding structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107316661A CN107316661A (en) | 2017-11-03 |
| CN107316661B true CN107316661B (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610272412.XA Active CN107316661B (en) | 2016-04-27 | 2016-04-27 | Fan-shaped folding and unfolding structure |
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| CN (1) | CN107316661B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098285B (en) * | 2018-06-07 | 2020-04-10 | 中国矿业大学 | Rapid-dismounting construction temporary large-space structure system and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003054318A2 (en) * | 2001-11-26 | 2003-07-03 | Charles Hoberman | Folding covering panels for expanding structures |
| CN1664279A (en) * | 2005-03-27 | 2005-09-07 | 李新 | Movable garage |
| CN1715581A (en) * | 2005-06-22 | 2006-01-04 | 浙江大学 | Method for producing radial openable round plate type structure |
| CN2777125Y (en) * | 2005-03-27 | 2006-05-03 | 李新 | Moveable garage |
| CN104599720A (en) * | 2014-10-20 | 2015-05-06 | 佛山市禾才科技服务有限公司 | Triangular type combined mechanical arm |
| CN104878865A (en) * | 2015-06-16 | 2015-09-02 | 东南大学 | Roof provided with radial inhaul cables and radial opening and closing membranes |
| CN104879647A (en) * | 2015-04-20 | 2015-09-02 | 佛山市禾才科技服务有限公司 | Multi-angular rotation multi-deformation structure |
| CN104992729A (en) * | 2015-07-08 | 2015-10-21 | 佛山市禾才科技服务有限公司 | Similar-cubic-shaped telescopic variable structure |
-
2016
- 2016-04-27 CN CN201610272412.XA patent/CN107316661B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003054318A2 (en) * | 2001-11-26 | 2003-07-03 | Charles Hoberman | Folding covering panels for expanding structures |
| CN1664279A (en) * | 2005-03-27 | 2005-09-07 | 李新 | Movable garage |
| CN2777125Y (en) * | 2005-03-27 | 2006-05-03 | 李新 | Moveable garage |
| CN1715581A (en) * | 2005-06-22 | 2006-01-04 | 浙江大学 | Method for producing radial openable round plate type structure |
| CN104599720A (en) * | 2014-10-20 | 2015-05-06 | 佛山市禾才科技服务有限公司 | Triangular type combined mechanical arm |
| CN104879647A (en) * | 2015-04-20 | 2015-09-02 | 佛山市禾才科技服务有限公司 | Multi-angular rotation multi-deformation structure |
| CN104878865A (en) * | 2015-06-16 | 2015-09-02 | 东南大学 | Roof provided with radial inhaul cables and radial opening and closing membranes |
| CN104992729A (en) * | 2015-07-08 | 2015-10-21 | 佛山市禾才科技服务有限公司 | Similar-cubic-shaped telescopic variable structure |
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| CN107316661A (en) | 2017-11-03 |
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