CN106640874A - Folding and unfolding mechanism - Google Patents
Folding and unfolding mechanism Download PDFInfo
- Publication number
- CN106640874A CN106640874A CN201710061753.7A CN201710061753A CN106640874A CN 106640874 A CN106640874 A CN 106640874A CN 201710061753 A CN201710061753 A CN 201710061753A CN 106640874 A CN106640874 A CN 106640874A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- hinged
- damper
- auxiliary
- rod
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000013016 damping Methods 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/0004—Joining sheets, plates or panels in abutting relationship
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
Abstract
The invention discloses a folding and unfolding mechanism. The folding and unfolding mechanism is mounted between an upper panel and a lower panel, which are hinged, and is used for folding and unfolding the upper panel and the lower panel and overturning for 0-180 degrees between the upper panel and the lower panel; the folding and unfolding mechanism comprises a four-connecting-rod assembly, a push rod assembly and an auxiliary connecting rod assembly; the auxiliary connecting rod assembly comprises a first auxiliary connecting rod and a second auxiliary connecting rod; one end of the first auxiliary connecting rod is hinged to one end of the second auxiliary connecting rod; the other end of the first auxiliary connecting rod is hinged to the lower panel; and the other end of the second auxiliary connecting rod is fixedly connected with a fourth connecting rod. According to the folding and unfolding mechanism, two unidirectional gas-liquid dampers are adopted, and the dampers can be stressed respectively in folding and unfolding movements, so that the mechanism is convenient to repair. A bending moment on a connecting point of a piston rod is relatively large, so that the auxiliary connecting rods are additionally arranged, and the connecting point of the piston rod can swing in a certain range, and furthermore, influences caused by the bending moment, which is additionally generated, can be eliminated.
Description
Technical field
The present invention relates to sheet material is hinged the technical field of supplementary structure, more particularly to a kind of folding extension mechanism.
Background technology
Under normal circumstances, when there is joint annexation between the plate of two pieces of larger areas, need to use hinge,
Need simultaneously certain dynamical system undertake stress support and and complete to stretch and jackknife action, meanwhile, folding extension mechanism is complete
When 0-180 degree is folded together stretching between two boards block, the space of occupancy is larger, and mechanism is relatively complicated, a lot
Can not be suitable for well in applied environment.Therefore, a kind of overall structure of demand is simple and the less folding extension that takes up room
Mechanism, and tackle above-mentioned problem.
The content of the invention
For the problem of above-mentioned generation, it is an object of the invention to provide a kind of folding extension mechanism.
To achieve these goals, the technical scheme taken of the present invention is：
A kind of folding extension mechanism, the folding extension mechanism be installed on be hinged above between plate and lower panel, use
To fold and stretch the top panel and the lower panel, and complete 0-180 degree between the top panel and the lower panel
Upset, wherein, the folding extension mechanism includes：One double leval jib component, the double leval jib component includes that first connecting rod, second connect
Bar, third connecting rod and fourth link, one end of the first connecting rod is hinged with one end of the second connecting rod, the first connecting rod
The other end be hinged with the top panel, the other end of the second connecting rod is hinged with the lower panel, the first connecting rod and
The hinged end of the second connecting rod is formed with the first pin joint, and one end of the third connecting rod is by first pin joint and institute
State first connecting rod, the second connecting rod to be hinged, the middle part of the third connecting rod has the second pin joint, the fourth link
One end is hinged by second pin joint and the third connecting rod, and the third connecting rod is another relative to first pin joint
One end is provided with the 3rd pin joint；One push-rod assembly, the push-rod assembly includes push rod and pushing part, one end of the push rod and institute
The other end for stating fourth link is fixedly connected, and the other end of the push rod is connected with the pushing part, and the pushing part is installed
On the lower panel, to drive the pushrod movement；One auxiliary connecting rod component, the auxiliary connecting rod component includes that first is auxiliary
Connecting rod and the second auxiliary connecting rod are helped, one end of first auxiliary connecting rod is hinged with one end of second auxiliary connecting rod, described
The other end of the first auxiliary connecting rod is hinged with the lower panel, and the other end of second auxiliary connecting rod is solid with the fourth link
Fixed connection.
Above-mentioned folding extension mechanism, wherein, also including the first damper, the cylinder body of first damper with it is described
It is hinged in the middle part of second auxiliary connecting rod, the piston rod of first damper is by the 3rd pin joint and the third connecting rod
It is hinged.
Above-mentioned folding extension mechanism, wherein, also including the second damper and the 3rd auxiliary connecting rod, the 3rd auxiliary
One end of connecting rod is fixedly connected with the fourth link, the other end of the 3rd auxiliary connecting rod and the cylinder of second damper
Body is hinged, and the piston rod of second damper is hinged by first pin joint and the third connecting rod.
Above-mentioned folding extension mechanism, wherein, second damper is one-way damper.
Above-mentioned folding extension mechanism, wherein, the damping direction phase of first damper and second damper
Instead.
Above-mentioned folding extension mechanism, wherein, first damper and second damper are gas-liquid damping
Cylinder.
Above-mentioned folding extension mechanism, wherein, the top panel and the lower panel are opened up on the face for facing
Fluted, groove described in two is collectively forming an accommodation space, and the double leval jib component is accommodated in a folded configuration described accommodating
In space.
As a result of above-mentioned technology, the good effect for being allowed to have compared with prior art is the present invention：
(1) present invention adopts two unidirectional gas-liquid dampers, can make damper that stress is distinguished in expansion and jackknife action,
It is easy to maintenance.
(2) it is of the invention because piston rod tie point is subject to moment of flexure larger, therefore increase auxiliary connecting rod, and make piston rod tie point
Can within the specific limits swing, therefore the impact that the moment of flexure of extra generation is brought can be eliminated.
Description of the drawings
Fig. 1 is the folding schematic diagram of the folding extension mechanism of the present invention.
Fig. 2 is 90 degree of expanded schematic diagrams of the folding extension mechanism of the present invention.
In accompanying drawing：1st, top panel；2nd, lower panel；31st, first connecting rod；32nd, second connecting rod；33rd, third connecting rod；34th, the 4th
Connecting rod；41st, push rod；51st, the first auxiliary connecting rod；52nd, the second auxiliary connecting rod；53rd, the 3rd auxiliary connecting rod；61st, the first damper；
62nd, the second damper；91st, the first pin joint；92nd, the second pin joint；93rd, the 3rd pin joint.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described with specific embodiment, but not as limiting to the invention.
Fig. 1 is the folding schematic diagram of the folding extension mechanism of the present invention, and Fig. 2 is 90 degree of the folding extension mechanism of the present invention
Expanded schematic diagram, refers to shown in Fig. 1, Fig. 2, shows a kind of folding extension mechanism of preferred embodiment, folding extension mechanism
It is installed on above being hinged between plate 1 and lower panel 2, to fold and stretch top panel 1 and lower panel 2, and completes above
The upset of 0-180 degree between plate 1 and lower panel 2.
Additionally, used as in preferred embodiment, folding extension mechanism includes：Double leval jib component, double leval jib component includes the
One connecting rod 31, second connecting rod 32, third connecting rod 33 and fourth link 34, one end of first connecting rod 31 and one end of second connecting rod 32
It is hinged, the other end and the top panel 1 of first connecting rod 31 are hinged, the other end and the lower panel 2 of second connecting rod 32 are hinged, first connecting rod
31 and the hinged end of second connecting rod 32 be formed with the first pin joint 91, one end of third connecting rod 33 is by the first pin joint 91 and the
One connecting rod 31, second connecting rod 32 are hinged, and one end that the middle part of third connecting rod 33 has the second pin joint 92, fourth link 34 leads to
Cross the second pin joint 92 to be hinged with third connecting rod 33, third connecting rod 33 is provided with the 3rd hinge relative to the other end of the first pin joint 91
Contact 93.
In addition, used as in preferred embodiment, folding extension mechanism includes：Push-rod assembly, push-rod assembly includes push rod 41
And pushing part, one end of push rod 41 is fixedly connected with the other end of fourth link 34, and the other end of push rod 41 is connected with pushing part
Connect, pushing part is installed on lower panel 2, to drive push rod 41 to move, so as to the technique effect for realizing folding and stretching.
Further, as in preferred embodiment, folding extension mechanism includes：Auxiliary connecting rod component, auxiliary connecting rod component bag
The first auxiliary connecting rod 51 and the second auxiliary connecting rod 52 are included, one end of the first auxiliary connecting rod 51 is cut with scissors with one end of the second auxiliary connecting rod 52
Connect, the other end and the lower panel 2 of the first auxiliary connecting rod 51 are hinged, the other end and the fourth link 34 of the second auxiliary connecting rod 52 are fixed
Connection.
Further, as in preferred embodiment, folding extension mechanism also includes：First damper 61, the first damper
61 cylinder body is hinged with the middle part of the second auxiliary connecting rod 52, and the piston rod of the first damper 61 passes through the 3rd pin joint 93 and the 3rd
Connecting rod 33 is hinged.
Further, as in preferred embodiment, folding extension mechanism also includes：Second damper 62 and the 3rd auxiliary
Connecting rod 53, one end of the 3rd auxiliary connecting rod 53 is fixedly connected with fourth link 34, the other end and second of the 3rd auxiliary connecting rod 53
The cylinder body of damper 62 is hinged, and the piston rod of the second damper 62 is hinged by the first pin joint 91 with third connecting rod 33.Due to
The tie point of the piston rod of the piston rod of the first damper 61 and the second damper 62 is subject to moment of flexure larger, therefore by the company of auxiliary
Bar assembly, and the piston rod of the first damper 61 and the tie point at the piston rod of the second damper 62 are allow in certain limit
Interior swing, therefore the impact that the moment of flexure of extra generation is brought can be eliminated.
Preferred embodiments of the present invention are these are only, embodiments of the present invention and protection domain is not thereby limited.
The present invention on the basis of the above also have mode is implemented as follows：
In further embodiment of the present invention, continuing with referring to shown in Fig. 1, Fig. 2, the first damper 61 and the second damper
62 are one-way damper.
In further embodiment of the present invention, the damping of the first damper 61 and the second damper 62 is in opposite direction.Using
The contrary unidirectional gas-liquid damper of both direction, can make damper launch and stress is distinguished in jackknife action, be easy to maintenance.
In further embodiment of the present invention, the first damper 61 and the second damper 62 are gas-liquid damping cylinder.
In further embodiment of the present invention, top panel 1 and lower panel 2 open up fluted on the face for facing, and two
Groove is collectively forming an accommodation space, and double leval jib component is accommodated in a folded configuration in accommodation space, so as to complete
In the case of folding with stretching, mechanism's overall structure simplifies and is hidden in two panels in panel, takes up room less.
Preferred embodiments of the present invention are these are only, embodiments of the present invention and protection domain is not thereby limited, it is right
For those skilled in the art, should can appreciate that all equivalents with done by description of the invention and diagramatic content are replaced
Resulting scheme is changed and obviously changed, should be included in protection scope of the present invention.
Claims (7)
1. a kind of folding extension mechanism, the folding extension mechanism be installed on be hinged above between plate and lower panel, to
Fold and stretch the top panel and the lower panel, and complete turning over for 0-180 degree between the top panel and the lower panel
Turn, it is characterised in that the folding extension mechanism includes：
One double leval jib component, the double leval jib component includes first connecting rod, second connecting rod, third connecting rod and fourth link, described
One end of first connecting rod is hinged with one end of the second connecting rod, and the other end of the first connecting rod is hinged with the top panel,
The other end of the second connecting rod is hinged with the lower panel, and the hinged end of the first connecting rod and the second connecting rod is formed with
First pin joint, one end of the third connecting rod is by first pin joint and the first connecting rod, the second connecting rod phase
Be hinged, the middle part of the third connecting rod has the second pin joint, one end of the fourth link by second pin joint with
The third connecting rod is hinged, and the third connecting rod is provided with the 3rd pin joint relative to the other end of first pin joint；
One push-rod assembly, the push-rod assembly includes push rod and pushing part, and one end of the push rod is another with the fourth link
One end is fixedly connected, and the other end of the push rod is connected with the pushing part, and the pushing part is installed on the lower panel,
To drive the pushrod movement；
One auxiliary connecting rod component, the auxiliary connecting rod component includes the first auxiliary connecting rod and the second auxiliary connecting rod, and described first is auxiliary
The one end and one end of second auxiliary connecting rod for helping connecting rod is hinged, the other end and the lower panel of first auxiliary connecting rod
It is hinged, the other end of second auxiliary connecting rod is fixedly connected with the fourth link.
2. folding extension mechanism according to claim 1, it is characterised in that also including the first damper, first resistance
It is hinged in the middle part of the cylinder body of Buddhist nun's device and second auxiliary connecting rod, the piston rod of first damper is hinged by the described 3rd
Point is hinged with the third connecting rod.
3. folding extension mechanism according to claim 2, it is characterised in that also connect including the second damper and the 3rd auxiliary
Bar, one end of the 3rd auxiliary connecting rod is fixedly connected with the fourth link, the other end of the 3rd auxiliary connecting rod and institute
The cylinder body for stating the second damper is hinged, and the piston rod of second damper is by first pin joint and the third connecting rod
It is hinged.
4. folding extension mechanism according to claim 3, it is characterised in that first damper and second damping
Device is one-way damper.
5. folding extension mechanism according to claim 4, it is characterised in that first damper and second damping
The damping of device is in opposite direction.
6. folding extension mechanism according to claim 3, it is characterised in that first damper and second damping
Device is gas-liquid damping cylinder.
7. folding extension mechanism according to claim 1, it is characterised in that the top panel and the lower panel are mutually just
To face on open up fluted, groove described in two is collectively forming an accommodation space, and the double leval jib component is in a folded configuration
It is accommodated in the accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061753.7A CN106640874B (en) | 2017-01-26 | 2017-01-26 | A kind of folding extension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061753.7A CN106640874B (en) | 2017-01-26 | 2017-01-26 | A kind of folding extension mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640874A true CN106640874A (en) | 2017-05-10 |
| CN106640874B CN106640874B (en) | 2018-11-13 |
Family
ID=58842410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061753.7A Expired - Fee Related CN106640874B (en) | 2017-01-26 | 2017-01-26 | A kind of folding extension mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640874B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717494A (en) * | 2017-11-02 | 2018-02-23 | 济南天辰铝机股份有限公司 | A kind of gas-liquid damping unit for overturning workbench |
| CN115123896A (en) * | 2022-05-25 | 2022-09-30 | 沃捷电梯(江苏)有限公司 | Intelligent movable stopping device for elevator pit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120087716A1 (en) * | 2007-05-04 | 2012-04-12 | Lift-U, A Division Of Hogan Mfg., Inc. | Latch for a fold out ramp |
| CN202419072U (en) * | 2012-01-10 | 2012-09-05 | 泰州汇锦电子有限公司 | Gas spring folding frame of all-in-one machine of computer |
| CN203114889U (en) * | 2013-02-06 | 2013-08-07 | 上海亚东国际货运有限公司 | Power assisting device |
| CN104029215A (en) * | 2014-06-05 | 2014-09-10 | 哈尔滨工程大学 | Arm joint structure of small underwater hydraulic manipulator |
| CN105545929A (en) * | 2016-01-28 | 2016-05-04 | 上海庆华蜂巢科技发展股份有限公司 | Folding and stretching mechanism |
-
2017
- 2017-01-26 CN CN201710061753.7A patent/CN106640874B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120087716A1 (en) * | 2007-05-04 | 2012-04-12 | Lift-U, A Division Of Hogan Mfg., Inc. | Latch for a fold out ramp |
| CN202419072U (en) * | 2012-01-10 | 2012-09-05 | 泰州汇锦电子有限公司 | Gas spring folding frame of all-in-one machine of computer |
| CN203114889U (en) * | 2013-02-06 | 2013-08-07 | 上海亚东国际货运有限公司 | Power assisting device |
| CN104029215A (en) * | 2014-06-05 | 2014-09-10 | 哈尔滨工程大学 | Arm joint structure of small underwater hydraulic manipulator |
| CN105545929A (en) * | 2016-01-28 | 2016-05-04 | 上海庆华蜂巢科技发展股份有限公司 | Folding and stretching mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717494A (en) * | 2017-11-02 | 2018-02-23 | 济南天辰铝机股份有限公司 | A kind of gas-liquid damping unit for overturning workbench |
| CN107717494B (en) * | 2017-11-02 | 2023-09-08 | 济南天辰智能装备股份有限公司 | Gas-liquid damping device of turnover workbench |
| CN115123896A (en) * | 2022-05-25 | 2022-09-30 | 沃捷电梯(江苏)有限公司 | Intelligent movable stopping device for elevator pit |
| CN115123896B (en) * | 2022-05-25 | 2024-04-09 | 沃捷电梯(江苏)有限公司 | Intelligent movable stopping device for elevator pit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640874B (en) | 2018-11-13 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20210126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |