CN106640875B - A kind of folding extension mechanism - Google Patents
A kind of folding extension mechanism Download PDFInfo
- Publication number
- CN106640875B CN106640875B CN201710061762.6A CN201710061762A CN106640875B CN 106640875 B CN106640875 B CN 106640875B CN 201710061762 A CN201710061762 A CN 201710061762A CN 106640875 B CN106640875 B CN 106640875B
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- China
- Prior art keywords
- connecting rod
- hinged
- folding extension
- extension mechanism
- casing
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 54
- 210000000078 claw Anatomy 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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
-
- 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
-
- 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
- F16C11/10—Arrangements for locking
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of folding extension mechanisms, folding extension mechanism, which is installed on, the upper surface of to be hinged between plate and lower panel, to fold and stretch top panel and lower panel, and completes the overturning of 0-180 degree between top panel and lower panel, wherein, folding extension mechanism includes：Double leval jib component, push-rod assembly, auxiliary connecting rod component, auxiliary connecting rod component includes the first auxiliary connecting rod and the second auxiliary connecting rod, one end of first auxiliary connecting rod and one end of the second auxiliary connecting rod are hinged, the other end of first auxiliary connecting rod and lower panel are hinged, and the other end of the second auxiliary connecting rod is fixedly connected with fourth link.Invention increases a set of axial locking mechanisms to lock the angle relative to oil cylinder axis after starting sled block movement reaches predetermined position, so that starting sled block is no longer produced relative rotation, opposed configuration is simpler, easy to repair.
Description
Technical field
The present invention relates to the technical field of the hinged supplementary structure of plate more particularly to a kind of folding extension mechanisms.
Background technique
Under normal conditions, it needs to use hinge there are when the connection relationship of joint between the plate of two pieces of larger areas,
Simultaneously need certain dynamical system undertake stress support and and complete stretching, extension and jackknife action, meanwhile, folding extension mechanism is complete
At when 0-180 degree is folded together stretching between two boards block, the space occupied is larger, and mechanism is relatively complicated, very much
It can not be applicable in well in application environment.Therefore, a kind of overall structure of demand is simple and the lesser folding extension of occupied space
Mechanism, and the above-mentioned problem of reply.
Summary of the invention
It is led to the problem of above-mentioned, the purpose of the present invention is to provide a kind of folding extension mechanisms.
To achieve the goals above, the technical scheme adopted by the invention is as follows：
A kind of folding extension mechanism, the folding extension mechanism, which is installed on, the upper surface of to be hinged between plate and lower panel, uses
To fold and stretch the top panel and the lower panel, and complete 0-180 degree between the top panel and the lower panel
Overturning, wherein the folding extension mechanism includes：One double leval jib component, the double leval jib component include first connecting rod, the second company
Bar, third connecting rod and fourth link, one end of the first connecting rod and one end of the second connecting rod are hinged, the first connecting rod
The other end and the top panel it is hinged, the other end of the second connecting rod and the lower panel are hinged, the first connecting rod and
The hinged end of the second connecting rod is formed with the first hinge joint, and the middle part of the third connecting rod passes through first hinge joint and institute
State first connecting rod, the second connecting rod is hinged, one end of the third connecting rod has the second hinge joint, the fourth link
One end is hinged by second hinge joint and the third connecting rod, and the third connecting rod is another relative to first hinge joint
One end is equipped with third hinge joint；One push-rod assembly, the push-rod assembly include push rod and pushing part, one end of the push rod and institute
The other side relative to the third connecting rod for stating fourth link is fixedly connected, the other end of the push rod and the pushing part phase
Connection, the pushing part is installed on the lower panel, to drive the pushrod movement；One axial locking mechanism, the axis
It include inboard casing, intermediate casing and outer side sleeve to locking mechanism, the intermediate casing is set in the outer of the inboard casing
Side, the outer side sleeve are sheathed on the outside of the intermediate casing, and the inboard casing is internally provided with two pawls, described in two
One end of pawl is hinged by a locating shaft, and the locating shaft and the inner wall of the two sides of the inboard casing are rotatably connected, and two
The other end of the pawl is additionally provided with a compressed spring；One end of the inboard casing is with the fourth link relative to described
The other end of third connecting rod is hinged, and one end of the outer side sleeve is hinged by the third hinge joint and the third connecting rod.
Above-mentioned folding extension mechanism, wherein further include：One starting sled block, the side of one end of the starting sled block are logical
It crosses the third hinge joint and the outer side sleeve is hinged, the other end of the starting sled block is right against the top panel；One pushes away
Block, the pushing block are arranged in the inside of the outer side sleeve, and one end of the pushing block and the starting prize block relative on described
The other side of panel and the third hinge joint is hinged, and the other end of the pushing block is butted on the intermediate casing.
Above-mentioned folding extension mechanism, wherein the inner sleeve, the intermediate casing and the outer sleeve two-by-two it
Between being capable of opposite sliding.
Above-mentioned folding extension mechanism, wherein the two sides at the middle part of the inside sleeve, the intermediate casing middle part
The two sides at two sides and the middle part of the outer side sleeve offer a through-hole respectively, and the claw of two pawls distinguishes from-inner-to-outer
Through the through-hole of the inside sleeve, the through-hole of the through-hole of the intermediate casing and the outer side sleeve.
Above-mentioned folding extension mechanism, wherein the end face of the claw of two pawls is butted on the inside sleeve, institute respectively
State the inner wall of the through-hole of the two sides of intermediate casing and the outer side sleeve.
Above-mentioned folding extension mechanism, wherein the side of the other end of the starting sled block relative to the outer side sleeve
An arc surface is offered, the arc surface is right against the top panel.
Above-mentioned folding extension mechanism, wherein the side of the fourth link is "L" shaped.
Above-mentioned folding extension mechanism, wherein the top panel and the lower panel offer on the face faced
An accommodating space is collectively formed in groove, two grooves, and it is empty that the double leval jib component is accommodated in the accommodating in a folded configuration
In.
Due to using above-mentioned technology, the good effect for being allowed to have compared with prior art is the present invention：
(1) present invention designs plate vibration problems when starting sled block crosses 90 ° of breaks during folding extension to solve original,
A set of axial locking mechanism is increased, after starting sled block movement reaches predetermined position, locks the angle relative to oil cylinder axis,
Starting sled block is set no longer to produce relative rotation, while the function of the top limit point instead of starting sled block, thus fundamentally
Solve the vibration problems generated due to starting mode demand bring plate when crossing 90 ° of breaks.Meanwhile opposed configuration is simpler
It is single, it is easy to repair.
(2) this invention simplifies startings to prize block structure, and increases a lever, for pushing among axial locking mechanism
Casing completes the opening and closing movement of axial locking mechanism.
Detailed description of the invention
Fig. 1 is the schematic diagram of folding extension mechanism of the invention.
Fig. 2 is the partial enlarged view of folding extension mechanism of the invention.
Fig. 3 is 90 degree of folding schematic diagrames of folding extension mechanism of the invention.
In attached drawing：1, top panel；2, lower panel；3, hinge；4, first connecting rod；5, second connecting rod；6, third connecting rod；7,
Double leval jib；8, push rod；9, pushing part；10, the first hinge joint；11, the second hinge joint；16, inboard casing；17, intermediate casing；
18, outer side sleeve；181, third hinge joint；19, pawl；191, locating shaft；192, compressed spring；20, starting sled block；201, it pushes away
Block.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Fig. 1 is the schematic diagram of folding extension mechanism of the invention, and Fig. 2 is the partial enlargement of folding extension mechanism of the invention
Figure, Fig. 3 is 90 degree of folding schematic diagrames of folding extension mechanism of the invention, referring to Figure 1, shown in Fig. 2 and Fig. 3, shows one
The folding extension mechanism of kind of preferred embodiment, folding extension mechanism, which is installed on, the upper surface of to be hinged between plate 1 and lower panel 2, uses
To fold and stretch top panel 1 and lower panel 2, and complete the overturning of 0-180 degree between top panel 1 and lower panel 2.
In addition, as in preferred embodiment, folding extension mechanism includes：Double leval jib component, double leval jib component include the
One connecting rod 4, second connecting rod 5, third connecting rod 6 and fourth link 7, one end of first connecting rod 4 and one end of second connecting rod 5 are hinged,
The other end and top panel 1 of first connecting rod 4 are hinged, and the other end and lower panel 2 of second connecting rod 5 are hinged, first connecting rod 4 and second
The hinged end of connecting rod 5 is formed with the first hinge joint 10, and the middle part of third connecting rod 6 passes through the first hinge joint 10 and first connecting rod 4, the
Two connecting rods 5 are hinged, and one end of third connecting rod 6 has the second hinge joint 11, and one end of fourth link 7 passes through the second hinge joint 11
Hinged with third connecting rod 6, third connecting rod 6 is equipped with third hinge joint 181 relative to the other end of the first hinge joint 10.
In addition, as in preferred embodiment, folding extension mechanism includes：Push-rod assembly, push-rod assembly include 8 He of push rod
Pushing part 9, one end of push rod 8 are fixedly connected with the other side relative to third connecting rod 6 of fourth link 7, the other end of push rod 8
It is connected with pushing part 9, pushing part 9 is installed on lower panel 2, to drive push rod 8 to move.
In addition, as in preferred embodiment, folding extension mechanism includes：Axial locking mechanism, axial locking mechanism packet
Inboard casing 16, intermediate casing 17 and outer side sleeve 18 are included, intermediate casing 17 is set in the outside of inboard casing 16, outer side sleeve
18 are sheathed on the outside of intermediate casing 17, and inboard casing 16 is internally provided with two pawls 19, and one end of two pawls 19 passes through one
Locating shaft 191 is hinged, and locating shaft 191 and the inner wall of the two sides of inboard casing 16 are rotatably connected, and the other end of two pawls 19 is also
It is provided with a compressed spring 192.The corresponding position being fixed on two pawls 19 by locating shaft 191 in inside sleeve 17.Compression
Spring 192 ensures the opening angle of 19 normality of pawl, and for intermediate casing 17 by axial movement, the folding that can control pawl 19 is dynamic
Make.
In addition, one end of inboard casing 16 and fourth link 7 are relative to third connecting rod 6 as in preferred embodiment
The other end is hinged, and one end of outer side sleeve 18 is hinged by third hinge joint 181 and third connecting rod 6.
In addition, as in preferred embodiment, folding extension mechanism includes：Starting sled block 20, one end of starting sled block 20
Hinged by third hinge joint 181 and outer side sleeve 18, the other end of starting sled block 20 is right against top panel 1.
In addition, the inside of casing 18 on the outside, pushing block 201 is arranged in pushing block 201, pushing block 201 as in preferred embodiment
One end and starting sled block 20 it is hinged relative to the other side of top panel 1 and third hinge joint 181, the other end of pushing block 201 supports
In intermediate casing 17.Plate vibration problems when crossing 90 ° of breaks during folding extension for the sled block 20 that solves to start to walk, increase axis
The angle of the axis of the push rod 8 relative to oil cylinder is locked after the starting sled movement of block 20 reaches predetermined position to locking mechanism,
Starting sled block 20 is set no longer to produce relative rotation.
In addition, as in preferred embodiment, inner sleeve 16, intermediate casing 17 and outer sleeve 18 equal energy between any two
Enough opposite slidings.
In addition, as in preferred embodiment, the two sides at the middle part of inside sleeve 16, the middle part of intermediate casing 17 two sides
A through-hole is offered respectively with the two sides at the middle part of outer side sleeve 18, and the claw difference from-inner-to-outer of two pawls 19 runs through inside
The through-hole of the through-hole of casing 16, the through-hole of intermediate casing 17 and outer side sleeve 18.Gas-liquid is substituted with mechanical lock pawl limit method
Damper, it is relatively more intuitive, it is convenient, cancel synchronous swing rod, structure simplifies, while convenient for safeguarding, and failure rate is low.For small space
It is more suitable for structural system.
In addition, the end face of the claw of two pawls 19 is butted on inside sleeve 16, intermediate sleeve respectively as in preferred embodiment
The inner wall of the through-hole of the two sides of pipe 17 and outer side sleeve 18.Outer side sleeve 18 passes through in opposite aperture, with inboard casing 17
The claw of pawl 19 is mutually located, to complete the repertoire movement of locking mechanism.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention.
The present invention also has on the basis of the above is implemented as follows mode：
In further embodiment of the present invention, continuing with referring to shown in Fig. 1, Fig. 2, starting sled block 20 is relative to outer side sleeve
The side of 18 other end offers an arc surface, and arc surface is right against top panel 1.
In further embodiment of the present invention, the side of fourth link 7 is "L" shaped.
It in further embodiment of the present invention, is connected between top panel 1 and lower panel 2 by hinge 3, top panel 1 is under
Panel 2 can be relatively rotated around hinge 3.
In further embodiment of the present invention, top panel 1 and lower panel 2 opened up on the face faced it is fluted, two
An accommodating space is collectively formed in groove, and double leval jib component is accommodated in accommodating space in a folded configuration.
In further embodiment of the present invention, three barrel forms of use, structure relative compact, before stroke meet demand
It puts, movement range and stroke are smaller, and appearance is simple, easy to maintain.
In further embodiment of the present invention, casing shape uses and is singly not limited to hollow cuboid.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention, right
For those skilled in the art, it should can appreciate that and all replace with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (8)
1. a kind of folding extension mechanism, the folding extension mechanism, which is installed on, the upper surface of to be hinged between plate and lower panel, to
It folds and stretches the top panel and the lower panel, and complete turning over for 0-180 degree between the top panel and the lower panel
Turn, which is characterized in that the folding extension mechanism includes：
One double leval jib component, the double leval jib component include first connecting rod, second connecting rod, third connecting rod and fourth link, described
One end of first connecting rod and one end of the second connecting rod are hinged, and the other end of the first connecting rod and the top panel are hinged,
The other end of the second connecting rod and the lower panel are hinged, and the hinged end of the first connecting rod and the second connecting rod is formed with
The middle part of first hinge joint, the third connecting rod passes through first hinge joint and the first connecting rod, the second connecting rod phase
Hingedly, one end of the third connecting rod has the second hinge joint, one end of the fourth link by second hinge joint with
The third connecting rod is hinged, and the third connecting rod is equipped with third hinge joint relative to the other end of first hinge joint；
One push-rod assembly, the push-rod assembly include push rod and pushing part, the phase of one end of the push rod and the fourth link
The other side of the third connecting rod is fixedly connected, the other end of the push rod is connected with the pushing part, the promotion
Portion is installed on the lower panel, to drive the pushrod movement；
One axial locking mechanism, the axial locking mechanism include inboard casing, intermediate casing and outer side sleeve, the intermediate sleeve
Pipe sleeve is located at the outside of the inboard casing, and the outer side sleeve is sheathed on the outside of the intermediate casing, the inboard casing
Be internally provided with two pawls, one end of two pawls is hinged by a locating shaft, the locating shaft and the inboard casing
The inner walls of two sides be rotatably connected, the other end of two pawls is additionally provided with a compressed spring；
One end of the inboard casing and the fourth link are hinged relative to the other end of the third connecting rod, the outer sheath
One end of pipe is hinged by the third hinge joint and the third connecting rod.
2. folding extension mechanism according to claim 1, which is characterized in that further include：
One starting sled block, the side of one end of the starting sled block is hinged by the third hinge joint and the outer side sleeve,
The other end of the starting sled block is right against the top panel；
The inside of the outer side sleeve is arranged in one pushing block, the pushing block, and one end of the pushing block is opposite with starting sled block
Hinged in the other side of the top panel and the third hinge joint, the other end of the pushing block is butted on the intermediate casing.
3. folding extension mechanism according to claim 2, which is characterized in that it is described inboard casing, the intermediate casing and
The outer side sleeve between any two being capable of opposite sliding.
4. folding extension mechanism according to claim 3, which is characterized in that the two sides at the middle part of the inboard casing, institute
The two sides for stating the two sides at the middle part of intermediate casing and the middle part of the outer side sleeve offer a through-hole, two pawls respectively
Claw difference from-inner-to-outer through the logical of the through-hole of the inboard casing, the through-hole of the intermediate casing and the outer side sleeve
Hole.
5. folding extension mechanism according to claim 4, which is characterized in that the end face of the claw of two pawls is supported respectively
In the inner wall of the through-hole of the two sides of the inboard casing, the intermediate casing and the outer side sleeve.
6. folding extension mechanism according to claim 2, which is characterized in that the starting sled block is relative to the outer sheath
The side of the other end of pipe offers an arc surface, and the arc surface is right against the top panel.
7. folding extension mechanism according to claim 1, which is characterized in that the side of the fourth link is "L" shaped.
8. folding extension mechanism according to claim 1, which is characterized in that the top panel and the lower panel are mutually just
Pair face on open up fluted, an accommodating space is collectively formed in two grooves, and the double leval jib component is in a folded configuration
Storage is in the accommodating space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061762.6A CN106640875B (en) | 2017-01-26 | 2017-01-26 | A kind of folding extension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061762.6A CN106640875B (en) | 2017-01-26 | 2017-01-26 | A kind of folding extension mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640875A CN106640875A (en) | 2017-05-10 |
| CN106640875B true CN106640875B (en) | 2018-11-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061762.6A Expired - Fee Related CN106640875B (en) | 2017-01-26 | 2017-01-26 | A kind of folding extension mechanism |
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| CN (1) | CN106640875B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588743B (en) * | 2017-08-17 | 2023-07-04 | 柳州三松自动化技术有限公司 | Device for detecting end face angle of automobile rear torsion Liang Lunzhou plate |
| CN108050962A (en) * | 2018-01-08 | 2018-05-18 | 柳州三松自动化技术有限公司 | The equipment detected for torsion-beam axle plate end plane angle after automobile |
| CN110125839B (en) * | 2019-05-27 | 2020-08-28 | 吉林工程技术师范学院 | Folding and positioning device for automobile aluminum alloy forging part |
| CN110480904B (en) * | 2019-08-15 | 2021-06-11 | 重庆天泰铝业有限公司 | Hot press |
| CN113854735B (en) * | 2021-09-28 | 2023-01-17 | 乐歌人体工学科技股份有限公司 | Folding electric lifting table |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7870630B2 (en) * | 2007-05-04 | 2011-01-18 | Lift-U, Division Of Hogan Mfg., Inc. | Articulating close out assembly 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 |
| CN104029215B (en) * | 2014-06-05 | 2015-12-02 | 哈尔滨工程大学 | A kind of miniaturized underwater hydraulic manipulator arm joint structure |
| CN105545929B (en) * | 2016-01-28 | 2018-04-17 | 上海庆华蜂巢科技发展股份有限公司 | A kind of folding extension mechanism |
| CN206682100U (en) * | 2017-01-26 | 2017-11-28 | 上海庆华蜂巢科技发展股份有限公司 | A kind of folding extension mechanism |
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2017
- 2017-01-26 CN CN201710061762.6A patent/CN106640875B/en not_active Expired - Fee Related
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| CN106640875A (en) | 2017-05-10 |
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Granted publication date: 20181123 Termination date: 20210126 |