CN108891514A - A kind of foldable structure - Google Patents
A kind of foldable structure Download PDFInfo
- Publication number
- CN108891514A CN108891514A CN201810950021.8A CN201810950021A CN108891514A CN 108891514 A CN108891514 A CN 108891514A CN 201810950021 A CN201810950021 A CN 201810950021A CN 108891514 A CN108891514 A CN 108891514A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- installation sheet
- leg
- foldable structure
- supporting piece
- 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
- 238000009434 installation Methods 0.000 claims description 42
- 239000007787 solid Substances 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B3/00—Folding or stowable tables
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tents Or Canopies (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention belongs to folding device field, specifically a kind of foldable structure, including support, upper supporting piece, a pair of of front support leg and a pair of of rear leg；The lower end of a pair of of front support leg is rotatably connected at the upper surface front of support, and upper end is fixedly connected by first connecting rod；The lower end of a pair of of rear leg is rotatably connected at the upper surface rear portion of support, and upper end is fixedly connected by the second connecting rod；Upper supporting piece is located above support, corresponding second connecting rod in its lower surface rear portion is fixed with positioning ring, positioning ring is socketed in the second connecting rod, and it rotates cooperation with the second connecting rod, the lower surface front of upper supporting piece corresponds to first connecting rod and is fixed with the positioning seat with positioning groove, and first connecting rod can be caught in or be detached from positioning groove；A connecting rod is provided between front support leg and corresponding rear leg, the both ends of connecting rod are rotatably coupled with corresponding front support leg and rear leg respectively.The configuration of the present invention is simple is opened without shaking, opens or folding operation is convenient and efficient.
Description
Technical field
The invention belongs to folding device field, specifically a kind of foldable structure.
Background technique
With the development of society, the density of population is continuously increased, especially large size city, since the density of population is excessive, the mankind
Living space it is seriously nervous.In order to cope with above situation, the numerous and confused face such as furniture, the vehicles, the transporting equipment that can fold
Generation can save space by reasonably designing to a certain extent, for the mankind life bring it is convenient.
Existing foldable structure has the following disadvantages：
1. stability is poor, shaking is easy to happen after opening；
2. the method opened or folded is complex, the old man poor for operational capacity or children are more difficult；
Summary of the invention
It technical problem to be solved by the invention is to provide a kind of structure is simple, opens without shaking, opens or folding operation
Conveniently foldable structure.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of foldable structure, including support, upper supporting piece,
A pair of of front support leg and a pair of of rear leg；
The lower end of a pair of front support leg is rotatably connected at the upper surface front of the support, and upper end passes through first
Connecting rod is fixedly connected；
The lower end of a pair of rear leg is rotatably connected at the upper surface rear portion of the support, and upper end passes through second
Connecting rod is fixedly connected；
The upper supporting piece is located above the support, and lower surface rear portion corresponds to second connecting rod and is fixed with positioning
Ring, the positioning ring are socketed in second connecting rod, and are rotated cooperation with second connecting rod, the upper supporting piece
Lower surface front correspond to the first connecting rod and be fixed with the positioning seat with positioning groove, the section of the positioning groove
Geomery and the geomery in the section of the first connecting rod match, and the first connecting rod can be caught in or be detached from described
Positioning groove；
Be provided with a connecting rod between the front support leg and the corresponding rear leg, the both ends of the connecting rod respectively with it is corresponding
The front support leg and rear leg be rotatably coupled, and the connecting rod connects the level height of one end of the rear leg and is higher than
The connecting rod connects one end of the front support leg.
The opening mode of this foldable structure：It holds the upper supporting piece to be flipped up the rear leg, the front support leg
It is flipped up by the connection-rod linkage, is then pressed downward the front of the upper supporting piece, be displaced downwardly to the positioning groove described
First connecting rod is caught in the positioning groove, opens and completes；
The folding mode of this foldable structure：The front for pulling up the upper supporting piece makes the first connecting rod be detached from institute
Positioning groove is stated, the first connecting rod is then pressed downward to it and is moved to extreme position downwards, the rear leg is by the company
Bar linkage downwardly turns over, and finally overturns the upper supporting piece to the front support leg, folds and completes.
The beneficial effects of the invention are as follows：Structure is simple, opens or folding operation is convenient and efficient, due to the positioning groove
The geomery in section and the geomery in the section of the first connecting rod match, and connect corresponding institute in conjunction with the connecting rod
State front support leg and rear leg, guarantee this foldable structure open after without shaking, stability is good；
Further, the upper supporting piece and the first connecting rod can be locked or unlock by being provided on the upper supporting piece
The retaining mechanism of connection.
Beneficial effect using above-mentioned further technical solution is：Avoid first connection in open configuration of this foldable structure
Bar is surprisingly deviate from the positioning groove and is separated with upper supporting piece, and it is reliable to guarantee that this foldable structure uses.
Further, the retaining mechanism includes connecting plate and butterfly clamping screw, one end of the connecting plate and it is described on
The front end of supporting element is hinged, and the butterfly clamping screw passes through the connecting plate and is threadedly coupled therewith, on the first connecting rod
The corresponding butterfly clamping screw offers locking screw holes, and one end that the butterfly clamping screw passes through the connecting plate can be with institute
It states the positive and negative of butterfly clamping screw and twists the disengaging locking screw holes.
Beneficial effect using above-mentioned further technical solution is：Realize that the retaining mechanism connects upper supporting piece and first
The locking or unlock of extension bar, locking or convenient for unlocking are quick.
Further, the front end of upper supporting piece one end corresponding with the connecting plate passes through axis connection.
Beneficial effect using above-mentioned further technical solution is：Ensure that the front end of connecting plate and upper supporting piece is hingedly stablized
Reliably.
Further, the gap between the inner wall of the positioning groove and the side wall of the first connecting rod is less than 1mm.
Beneficial effect using above-mentioned further technical solution is：Ensure to be promoted steady without shaking after this foldable structure opens
It is qualitative.
Further, the lower end two sides that the upper surface front of the support corresponds to the front support leg are respectively fixed with installation sheet A
With installation sheet B, sequentially passes through the installation sheet A, front support leg and installation sheet B and be provided with double threaded screw, the two of the double threaded screw A
End is fixed by nut and the installation sheet A and installation sheet B respectively, and the front support leg and the double threaded screw A rotate cooperation.
Beneficial effect using above-mentioned further technical solution is：Realize that the front support leg rotationally connects with the support
It connects, flexibly, structural reliability is high for rotation.
Further, the lower end two sides that the upper surface rear portion of the support corresponds to the rear leg are respectively fixed with installation sheet C
With installation sheet D, sequentially passes through the installation sheet C, rear leg and installation sheet D and be provided with double threaded screw B, the double threaded screw B's
Both ends pass through nut respectively and fix with the installation sheet C and installation sheet D, and the rear leg rotates with the double threaded screw B matches
It closes.
Beneficial effect using above-mentioned further technical solution is：Realize that the rear leg rotationally connects with the support
It connects, flexibly, structural reliability is high for rotation.
Further, the both ends of the connecting rod are connected with the corresponding front support leg and rear leg by shaft respectively.
Beneficial effect using above-mentioned further technical solution is：Realize the both ends of the connecting rod respectively with it is corresponding described
Front support leg and rear leg are rotatably coupled, and flexibly, structural reliability is high for rotation.
Further, after opening, the corresponding front support leg and rear leg are in splayed.
Beneficial effect using above-mentioned further technical solution is：Promote the structural stability after this foldable structure opens.
Further, the positioning ring is fixed anchor ear.
Beneficial effect using above-mentioned further technical solution is：Facilitate the dress of the positioning ring Yu second connecting rod
It tears open.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the side view that 1 foldable structure of the embodiment of the present invention opens；
Fig. 2 is the front view that 1 foldable structure of the embodiment of the present invention opens；
Fig. 3 is the rearview that 1 foldable structure of the embodiment of the present invention opens；
Fig. 4 is the structural schematic diagram of upper supporting piece in the embodiment of the present invention 1；
Fig. 5 is the side view that 1 foldable structure of the embodiment of the present invention folds；
Fig. 6 is the front view that 2 foldable structure of the embodiment of the present invention opens；
Fig. 7 is the side view that 2 foldable structure of the embodiment of the present invention opens；
Appended drawing reference：
1- front support leg；2- upper supporting piece；3- rear leg；4- connecting rod；5- support；6- double threaded screw A；7- double threaded screw B；8-
Installation sheet A；9- installation sheet B；10- first connecting rod；11- positioning seat；111- positioning groove；The second connecting rod of 12-；13- positioning
Ring；14- installation sheet C；15- installation sheet D；16- connecting plate；17- butterfly clamping screw
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of foldable structure, including support 5, upper supporting piece 2,1 and of a pair of of front support leg
A pair of of rear leg 3；
The lower end of a pair of of front support leg 1 is rotatably connected at the upper surface front of support 5, and upper end passes through first connecting rod
10 are fixedly connected；
The lower end of a pair of of rear leg 3 is rotatably connected at the upper surface rear portion of support 5, and upper end passes through the second connecting rod
12 are fixedly connected；
Upper supporting piece 2 is located at 5 top of support, and corresponding second connecting rod 12 in lower surface rear portion is fixed, and there are two positioning rings
13, two positioning rings 13 are socketed in the second connecting rod 12, and are rotated cooperation with the second connecting rod 12, under upper supporting piece 2
Surface front corresponds to the fixation of first connecting rod 10, and there are two the positioning seat 11 with positioning groove 111, the sections of positioning groove 111
Geomery and the geomery in the section of first connecting rod 10 match, first connecting rod 10 can be caught in or be detached from two it is fixed
Position groove 111；
Be provided with a connecting rod 4 between front support leg 1 and corresponding rear leg 3, the both ends of connecting rod 4 respectively with corresponding front support leg
1 and rear leg 3 be rotatably coupled, and connecting rod 4 connect rear leg 3 one end level height be higher than connecting rod 4 connect front support leg 1
One end.
In the present embodiment, the gap between the inner wall of positioning groove 111 and the side wall of first connecting rod 10 is less than 1mm；Branch
The lower end two sides that the upper surface front of seat 5 corresponds to front support leg 1 are respectively fixed with installation sheet A8 and installation sheet B9, sequentially pass through installation
Piece A8, front support leg 1 and installation sheet B9 are provided with double threaded screw, the both ends of double threaded screw A6 pass through respectively nut and installation sheet A8 and
Installation sheet B9 is fixed, and front support leg 1 and double threaded screw A6 rotate cooperation；The upper surface rear portion of support 5 corresponds to the lower end of rear leg 3
Two sides are respectively fixed with installation sheet C14 and installation sheet D15, sequentially pass through installation sheet C14, rear leg 3 and installation sheet D15 and are provided with
Double threaded screw B7, the both ends of double threaded screw B7 pass through nut respectively and fix with installation sheet C14 and installation sheet D15, rear leg 3 and double
Head screw rod B7 rotates cooperation；The both ends of connecting rod 4 are connected with corresponding front support leg 1 and rear leg 3 by shaft respectively；It opens
Afterwards, corresponding front support leg 1 and rear leg 3 are in splayed；Positioning ring 13 is corresponded in the circumferential side wall of second connecting rod 12 to offer
Annular spacing groove, positioning ring 13 are located in annular spacing groove, and positioning ring 13 is fixed anchor ear；Distinguish at the both ends of first connecting rod 10
It is welded and fixed with the upper end of a pair of of front support leg 1, the both ends of the second connecting rod 12 are solid with the welding of the upper end of a pair of of rear leg 3 respectively
It is fixed.
The opening mode of the present embodiment foldable structure：As shown in Figure 1 and Figure 4, upper supporting piece 2 is held rear leg 3 is upward
Overturning, front support leg 1 are flipped up by the linkage of connecting rod 4, are then pressed downward the front of upper supporting piece 2, are displaced downwardly to positioning groove 111
First connecting rod 10 is caught in positioning groove 111, opens and completes；
The folding mode of the present embodiment foldable structure：As shown in Figure 4 and Figure 5, the front for pulling up upper supporting piece 2 makes
One connecting rod 10 is detached from positioning groove 111, is then pressed downward first connecting rod 10 to it and is moved to extreme position, rear leg downwards
3 are downwardly turned over by the linkage of connecting rod 4, are finally overturn upper supporting piece 2 to front support leg 1, are folded and complete.
Embodiment 2
The present embodiment the difference from embodiment 1 is that：As shown in Figure 6 and Figure 7, being provided on upper supporting piece can lock or solve
Lock the retaining mechanism that supporting element 2 is connect with first connecting rod 10；Retaining mechanism includes connecting plate 16 and butterfly clamping screw
17, one end of connecting plate 16 and the front end of upper supporting piece 2 are hinged, and butterfly clamping screw 17 passes through connecting plate 16, and screw thread connects therewith
It connects, butterfly clamping screw 17 is corresponded on first connecting rod 10 and offers locking screw holes, butterfly clamping screw 17 passes through connecting plate 16
One end can twist disengaging locking screw holes with the positive and negative of butterfly clamping screw 17；The front end of upper supporting piece 2 is corresponding with connecting plate 16
One end pass through axis connection.
The locking of retaining mechanism：Under this fold mechanism open configuration, forward direction, which twists butterfly clamping screw 17, makes it be screwed into lock
Tight screw hole is to lock the connection of upper supporting piece 2 Yu first connecting rod 10.
The unlock of retaining mechanism：Under this fold mechanism state to be folded, reversely twisting butterfly clamping screw 17 makes its back-out
Locking screw holes are to unlock the connection of upper supporting piece 2 Yu first connecting rod 10.
The Application Scenarios-Example of this foldable structure of embodiment 1 and embodiment 2：
1, installing seat cushion in 2 upper surface of upper supporting piece can be used as the seat of electric three-wheel or carriage；
2, in 2 upper surface of upper supporting piece, installation desktop can be used as folding table；
3, in 2 upper surface of upper supporting piece, installation elastic cushion can be used as folding stool；
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that：Its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of foldable structure, it is characterised in that：Including being propped up after support (5), upper supporting piece (2), a pair of of front support leg (1) and a pair
Foot (3)；
The lower end of a pair of front support leg (1) is rotatably connected at the upper surface front of the support (5), and upper end passes through the
One connecting rod (10) is fixedly connected；
The lower end of a pair of rear leg (3) is rotatably connected at the upper surface rear portion of the support (5), and upper end passes through the
Two connecting rods (12) are fixedly connected；
The upper supporting piece (2) is located above the support (5), and it is fixed that lower surface rear portion corresponds to second connecting rod (12)
Have positioning ring (13), the positioning ring (13) is socketed on second connecting rod (12), and with second connecting rod (12)
Rotate cooperation, and the lower surface front of the upper supporting piece (2), which corresponds to the first connecting rod (10) and is fixed with, has positioning recessed
The positioning seat (11) of slot (111), the geomery in the section of the positioning groove (111) and cutting for the first connecting rod (10)
The geomery in face matches, and the first connecting rod (10) can be caught in or be detached from the positioning groove (111)；
It is provided with a connecting rod (4) between the front support leg (1) and the corresponding rear leg (3), the both ends point of the connecting rod (4)
It is not rotatably coupled with the corresponding front support leg (1) and rear leg (3), and the connecting rod (4) connects the rear leg (3)
The level height of one end be higher than one end that the connecting rod (4) connect the front support leg (1).
2. a kind of foldable structure according to claim 1, it is characterised in that：It is provided with and can lock on the upper supporting piece (2)
The retaining mechanism that the tight or unlock upper supporting piece (2) connect with the first connecting rod (10).
3. a kind of foldable structure according to claim 2, it is characterised in that：The retaining mechanism include connecting plate (16) and
Butterfly clamping screw (17), one end of the connecting plate (16) and the front end of the upper supporting piece (2) are hinged, the butterfly locking
Bolt (17) passes through the connecting plate (16) and is threadedly coupled therewith, corresponds to the butterfly locking screw on the first connecting rod (10)
Bolt (17) offers locking screw holes, and one end that the butterfly clamping screw (17) passes through the connecting plate (16) can be with the butterfly
The positive and negative of clamping screw (17) twists the disengaging locking screw holes.
4. a kind of foldable structure according to claim 3, it is characterised in that：The front end of the upper supporting piece (2) with it is described
The corresponding one end of connecting plate (16) passes through axis connection.
5. a kind of foldable structure according to any one of claims 1 to 4, it is characterised in that：The positioning groove (111)
Gap between inner wall and the side wall of the first connecting rod (10) is less than 1mm.
6. a kind of foldable structure according to any one of claims 1 to 4, it is characterised in that：The upper surface of the support (5)
The lower end two sides that front corresponds to the front support leg (1) are respectively fixed with installation sheet A (8) and installation sheet B (9), sequentially pass through described
Installation sheet A (8), front support leg (1) and installation sheet B (9) are provided with double threaded screw, and the both ends of the double threaded screw A (6) pass through respectively
Nut and the installation sheet A (8) and installation sheet B (9) are fixed, and the front support leg (1) rotates with the double threaded screw A (6) matches
It closes.
7. a kind of foldable structure according to any one of claims 1 to 4, it is characterised in that：The upper surface of the support (5)
The lower end two sides that rear portion corresponds to the rear leg (3) are respectively fixed with installation sheet C (14) and installation sheet D (15), sequentially pass through institute
It states installation sheet C (14), rear leg (3) and installation sheet D (15) to be provided with double threaded screw B (7), the both ends of the double threaded screw B (7)
It is fixed by nut and the installation sheet C (14) and installation sheet D (15) respectively, the rear leg (3) and the double threaded screw B
(7) rotate cooperation.
8. a kind of foldable structure according to any one of claims 1 to 4, it is characterised in that：The both ends of the connecting rod (4) point
It is not connected with the corresponding front support leg (1) and rear leg (3) by shaft.
9. a kind of foldable structure according to any one of claims 1 to 4, it is characterised in that：After opening, it is corresponding it is described before
Stabilizer blade (1) and rear leg (3) are in splayed.
10. a kind of foldable structure according to any one of claims 1 to 4, it is characterised in that：The positioning ring (13) is solid
Determine anchor ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950021.8A CN108891514B (en) | 2018-08-20 | 2018-08-20 | Folding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950021.8A CN108891514B (en) | 2018-08-20 | 2018-08-20 | Folding structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108891514A true CN108891514A (en) | 2018-11-27 |
| CN108891514B CN108891514B (en) | 2024-06-14 |
Family
ID=64354874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810950021.8A Active CN108891514B (en) | 2018-08-20 | 2018-08-20 | Folding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108891514B (en) |
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| CN205873790U (en) * | 2016-05-19 | 2017-01-11 | 南通巴兰仕机电有限公司 | Portable on -vehicle lifting mechanism |
| CN206182643U (en) * | 2016-07-28 | 2017-05-24 | 宁波富宇塑料工业有限公司 | Leisure foldable chair |
| CN207285591U (en) * | 2017-04-07 | 2018-05-01 | 南通市久正人体工学股份有限公司 | A kind of Pneumatic lifting desktop |
| CN207444558U (en) * | 2017-05-23 | 2018-06-05 | 南通市久正人体工学股份有限公司 | A kind of electronic nothing is made an uproar lifting desk surface device |
| CN107307587A (en) * | 2017-06-28 | 2017-11-03 | 陈工 | Same table and its supporting construction |
| CN107901928A (en) * | 2017-11-08 | 2018-04-13 | 中车长春轨道客车股份有限公司 | A kind of adjustable driver of city railway vehicle rides |
| CN108041832A (en) * | 2017-12-07 | 2018-05-18 | 梁辰 | A kind of folding integrated type chair and desk for pupils |
| CN208616095U (en) * | 2018-08-20 | 2019-03-19 | 张虎虎 | A kind of foldable structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108891514B (en) | 2024-06-14 |
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