CN202850846U - Improved structure of ladder chair - Google Patents
Improved structure of ladder chair Download PDFInfo
- Publication number
- CN202850846U CN202850846U CN 201220235199 CN201220235199U CN202850846U CN 202850846 U CN202850846 U CN 202850846U CN 201220235199 CN201220235199 CN 201220235199 CN 201220235199 U CN201220235199 U CN 201220235199U CN 202850846 U CN202850846 U CN 202850846U
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- frame
- pivot
- group
- holding table
- knot
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Abstract
The utility model relates to an improved structure of a ladder chair. The improved structure comprises a front frame, a middle frame, a back frame, a connecting group and an object placing frame, and is characterized in that the middle frame and the back frame are connected through the connecting group, the connecting group comprises a connecting rod which is transversely pivoted at the back frame and two L-shaped buckling rods which are arranged on the connecting rod, two vertical pipes of the middle frame are provided and buckled to constitute a sliding position-limiting and connecting structure, the object placing frame comprises an inverted U-shaped telescopic frame and an object placing table with a horizontal or vertical overturn function, and two side pipes of the inverted U-shaped telescopic frame are sheathed into the two vertical pipes of the middle frame to perform telescopic regulation and positioning; and the structure can form sliding position-limitation and connection through the buckling of the two simple L-shaped buckling rods, contact area and element interference are effectively reduced, the expansion and the contraction operations of the ladder chair are smoother and more labor-saving, the height of the object placing frame can be regulated to facilitate the use according to construction height demands, and the object placing frame can be rapidly folded with the ladder chair.
Description
Technical field
This creation relates generally to a kind of structure and simplifies the spacing connecting structure of slip that effective minimizing contact area and element are interfered, in order to do terraced chair exhibition bring drill to an end do more laborsaving smooth and easy, and the terraced structure of chair innovative design of rack tool telescopic adjustment function.
Background technology
Announce " structure-improved of terraced chair " utility model patent case of M246448 number such as TaiWan, China, its structure is comprised of side arm, middle, two binding groups and after-frame as described in its summary; Side arm ... the person; It is characterized in that: middle frame, by two montants and four crosspieces in conjunction with the support body that forms; The binding group is located in the middle of second and third crosspiece of middle two montants, is the slidably binding structure that an end and middle two montant fits, another end and after-frame inwall pivot close, and its binding group is constituted by left, right, connecting rod and snap close piece; An inclined-plane is established in top, its outer end of left, and left center is to dividing into a ㄈ shape groove, and the inner of left is provided with horizontal pole perforating hole; The montant diameter of frame is established a vertical half slot in its inner correspondence of right, and right outer end is provided with horizontal pole perforating hole, and right sidewall is provided with for the left caulking groove that the inner pushes; Its connecting rod is worn the laying rod piece in the pole perforating hole that passes through right and left word bar hole; Two montant inwall correspondences of after-frame are provided with two hinged arm grooves, and this two hinged arms groove can embed pivot and close for connecting rod two ends of binding group.
Though it is surely firm that said structure by two binding groups slidably, makes the support of terraced chair flatten, and the support of terraced chair exhibition, fold the effect of operation simple and convenient; Right in two binding group structures, utilize left ㄈ shape groove and the right relative binding of vertical half slot in middle two montants, one comes ㄈ shape groove, vertical half slot and two montant Surface Contact areas large, link by majority elements such as left and right and connecting rods between framves and after-frame in two, relatively increase interference drag, easily causing exhibition to bring drill to an end, to make frictional resistance large, uses effort to have some setbacks again, is its shortcoming one.
Two groups of connecting pieces respectively by two baroque left and right form, relative complex structure, costs such as causing mould, assemble and get the raw materials ready improves, and is two of its shortcoming.
Moreover, existing terraced chair is for the containing structure design, and terraced chair is constructed when using, during Job Operations, and the article of installation or removal and the instrument of use lack the place of temporary transient placement, often need repeatedly upper and lower fetching back and forth to cause use inconvenience, be three of its shortcoming.
Again, announce the 534217th " Folding ladder tray braced structures " and M415196 number " Collapsible ladder " Patent Case such as TaiWan, China, though described Patent Case is provided with tray (platform) structure, provide instrument or related item to put or fetch; Only these trays (platform) structure is fixed height, can't look construction, the different high and low positions adjustings of operation at all, cause the user to fetch or when storing instrument or related item, still will climb up, climb down and lose time and muscle power, in the use still the shortcoming of very not convenient property exist.
Summary of the invention
The technical task that institute's wish solves:
So it is large how to reach greatly the element interference drag for existing exhibition receipts contact area, cause that operation effort has some setbacks, the complex structure cost is high, and articles holding table can't look construction location and regulate height and use the shortcoming improvement design such as not convenient property, is the difficulty place for the wish row solution of this creation institute.
The main purpose of this creation is to provide a kind of structure to simplify, and effectively reducing slides links contact area and element interference drag, terraced chair exhibition is brought drill to an end do to have more laborsaving smoothly terraced chair structure-improved.
Time purpose of this creation is to provide a kind of and can looks construction location telescopic adjustment rack height, so provide the user to fetch or the storing instrument on more convenient terraced chair structure-improved.
Solve the technological means of problem:
For reaching above-mentioned purpose, this creation comprises a side arm and is tied for the relative pivot in number pedal leading portion both sides by two side pipes of tubulose ㄇ shape frame; The cross bar such as number such as grade that frame provides each pedal rear side to abut against support by combination between two vertical tubes in one; One after-frame is tied in side arm two side pipe epimeres with the upper end pivot by two vertical tubes in conjunction with a sheer pole; One binding group comprises a connecting rod and two L shaped button bars form, this connecting rod after-frame two vertical tubes top that is pivoted, two L shaped button bars be located at connecting rod inboard in frame two montants buckle knot and form the spacing combination of slip that terraced chair exhibition is received.
Hold above-mentionedly, two L shaped button bars and connecting rod solid welding are integral, and connecting rod middle section pivot is tied a hook spare, and the cross bar that frame is relative in the button knot when launching in order to do terraced chair is fixing to strengthen linking.
Hold above-mentionedly, side arm two side pipes are worn knot one block after-frame two vertical tubes and are launched the safe backing pin that extends out in pivot knot after-frame pivot pin back upper place.
Hold above-mentioned, middle two riser upper end are in conjunction with the flexible rack of a tool, rack comprises a ㄇ shape expansion bracket and an articles holding table forms, ㄇ shape expansion bracket is inserted in middle two vertical tubes with the both sides pipe, the V-arrangement shell fragment of noose one tool convex grain in the tube opening end of ㄇ shape expansion bracket both sides, make the convex grain protrude two side pipe outer walls, middle two vertical tube epimere tube walls provide for convex grain top and anchor several locating holes that the position is regulated, and ㄇ shape expansion bracket upper lateral tube is convexly equipped with a horizontal upper stopper and inwardly and descends longitudinally stopper down; Provide number on the articles holding table for the jack of tool inserting knot location, the bottom be convexly equipped with stopper on the unfolding buckle group one on the button caking, and the lower button caking of stopper under the button group when folding, the articles holding table two bottom sides is convexly equipped with cover and steps up cross bar two connecting supports, cooperate limited block lid group spiral shell knot pivot group, the effect that makes articles holding table be level or vertically to fold according to the cross tube upset.
A kind of terraced chair structure-improved, wherein, comprising a side arm is that tubulose ㄇ shape frame can be for the relative pivot knot in number pedal leading portion both sides in two side pipes; Frame is by the cross bar such as number such as grade that provides each pedal rear side to abut against support is provided between two vertical tubes in one; One after-frame is tied in side arm two side pipe epimeres with the upper end pivot by two vertical tubes in conjunction with a sheer pole, and a binding group is that an end and middle two vertical tubes link, and another end and after-frame two vertical tube pivots are formed the binding structure that slides; The flexible rack of one tool is located at middle upper end.
The technique effect that reaches:
Structure is simplified, and effectively reducing slides links contact area and element interference drag, terraced chair exhibition is brought drill to an end do more laborsaving smooth and easy, can look construction location telescopic adjustment rack height, so the user is fetched or the storing instrument on more convenient.
Description of drawings
Fig. 1 is the three-dimensional exploded view of this creation.
Fig. 2 is the three-dimensional exploded view of this creation rack.
Fig. 3 is the three-dimensional combination figure of this creation.
Fig. 4 is the expansion plan view of this creation.
Fig. 5 is the operation chart that folds of this creation.
Fig. 6 is this creation side arm and after-frame pivot junction structure amplification cut-away view.
Fig. 7 is this creation binding group and middle the horizontal cut-away view of combination.
Fig. 8 is this creation binding group and middle the vertical cut-away view of combination.
Fig. 9 is this creation articles holding table turning unfolding schematic diagram.
Figure 10 folds schematic diagram for the upset of this creation articles holding table.
Description of reference numerals
The 10-side arm; The 11-side pipe; The safe backing pin of 13-; The 12-pedal; The 121-grooving; Frame among the 20-; 21,31-vertical tube; The 211-locating hole; The 22-cross bar; The 30-after-frame; The 32-sheer pole; 40-binding group; The 41-connecting rod; 42-L shape button bar; 43-hook spare; The 50-rack; 51-ㄇ shape expansion bracket; The 52-articles holding table; The 521-jack; 512-convex grain; 513-V shape shell fragment; The 514-upper lateral tube; The upper stopper of 515-; Stopper under the 516-; The upper button caking of 522-; Button caking under the 523-; The 524-connecting support; The 525-limited block.
The specific embodiment
Remainder cooperates the graphic specific embodiment of enumerating hereby, introduces in detail the structure content of this creation, and the function and benefit that can reach such as rear;
See also shown in Fig. 1-5, this creation comprises frame 20 in the side arm 10,, an after-frame 30, a binding group 40 and a rack 50 etc. and forms, wherein,
One side arm 10 is that a tubulose ㄇ shape frame can be for the relative pivot knot in number pedal 12 leading portion both sides in two side pipes 11, and each pedal 12 back segment is provided with the grooving 121 of phase centering rack 20 cross bars.
One after-frame 30, comprise two vertical tubes 31 in conjunction with a sheer pole 32, and by two vertical tubes, 31 upper ends and 10 liang of side pipe 11 stage casings of side arm with pivot pin pivot group, 10 liang of side pipes 11 of (seeing also Fig. 6) side arm are provided with the safe backing pin 13 of 30 liang of vertical tubes 31 of block after-frame above slightly at pivot pin.
One binding group 40, comprise a connecting rod 41 and be located at 41 liang of L shaped button bars 42 of connecting rod and form, these connecting rod 41 two ends 30 liang of vertical tube 31 inwalls of after-frame that are pivoted, frame 20 both sides vertical tubes 21 were inserted in during two L shaped button bars 42 were supplied by lateral openings, form after-frame 30 and middle 20 slip limited support structures, as shown in FIG., two L shaped button bars 42 are integral with welding manner and connecting rod 41 solid weldings, this is for illustrating, do not limit this creation only this mode fix, as cooperate the spiral shell group to fix (not painting) or other fixed forms, and connecting rod 41 stage casing pivots are tied a hook spare 43, and frame 20 relative cross bars 21 were strengthened linking fixing during button was tied when launching in order to do terraced chair.
One rack 50 sees also Fig. 2, comprises a ㄇ shape expansion bracket 51 and an articles holding table 52 compositions; ㄇ shape expansion bracket 51 is inserted in middle 20 liang of vertical tubes 21 with the both sides pipe, the V-arrangement shell fragment 513 of noose one tool convex grain 512 in the ㄇ shape expansion bracket 51 both sides tube opening ends, make convex grain 512 protrude two side pipe outer walls, regulate the location with 20 liang of vertical tubes of frame in the buckle, 21 arbitrary locating hole 211 height, ㄇ shape expansion bracket 51 upper lateral tubes 514 are convexly equipped with a horizontal upper stopper 515 and inwardly and descend longitudinally stopper 516 down; Provide number on the articles holding table 52 for the jack 521 of tool inserting knot location, the bottom is convexly equipped with on the unfolding buckle group C of stopper 515 and detains in shape caking 522, and button caking 523 under the C shape of stopper 516 under the button group when folding, articles holding table 52 two bottom sides are convexly equipped with cover and step up 514 liang of connecting supports 524 of transverse tube, cooperate a limited block 525 lid group spiral shells knot pivot group, make articles holding table 52 be level or vertical exhibition receipts according to upper lateral tube 514 upsets.
Learnt by said structure, the binding group 40 of frame 20 and after-frame 30 during this creation links, only be inserted in by 20 liang of vertical tubes 21 of frame during two L shaped button bar 42 lateral openings supply on the connecting rod 41, because two L shaped button bars 42 are the circular body of rod, make to form between two vertical tubes 21 and the two L shaped button bars 42 and contact and single element links slip and buckles group binding (seeing also Fig. 7), effectively reduce contact friction and link interference drag with element, in order to do can be more laborsaving smooth and easy with terraced chair expansion or fold, shown in Fig. 4,5.
Fig. 4 is the expansion plan view of this creation, be the herringbone shape as long as after-frame 30 lower ends are pulled open backward with side arm 10, and the middle frame 20 parallel with side arm 10 abuts against on 40 liang of L shaped button bars 42 of binding group (seeing also Fig. 8) with second cross bar 22, make middle 20 each cross bar 22 form the firm support of trampling in each pedal 12 back segment, again binding is organized 40 stage casing cover group hook spares 43 and be buckled in middle 20 second cross bars 22 and fix strengthening.Shown in arrow among the figure and dotted line, rack 50 can be pressed and regulated lifting by V-arrangement shell fragment 513 convex grains 512, in order to do looking construction height telescopic adjustment articles holding table 52 high and low positions, provides instrument, article to fetch or put convenient more smoothly effect.
Shown in Fig. 9,10, for this creation articles holding table launches to fold schematic diagram, be that articles holding table 52 can be received with terraced chair exhibition, when terraced chair launches with articles holding table 52 flip horizontals, make the upper stopper 515 of bottom upper button caking 522 button knot ㄇ shape expansion brackets 51 upper lateral tubes 514, articles holding table 52 supporting and locations can be provided the usefulness of glove; When terraced chair folds, as long as with articles holding table 52 upset downwards outwardly, make lower button caking 523 buttons in bottom forge stopper 516 articles holding table 52 fixedly is folded, can be level or vertical exhibition receipts according to the upper lateral tube upset in order to do articles holding table, in the operation very easy fast, and can fold with terraced chair and not take up space.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it in spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.
Claims (8)
1. a terraced chair structure-improved is characterized in that, comprises a side arm and is tied for the relative pivot in number pedal leading portion both sides by two side pipes of tubulose ㄇ shape frame; The cross bar such as number such as grade that frame provides each pedal rear side to abut against support by combination between two vertical tubes in one; One after-frame is tied in side arm two side pipe epimeres with the upper end pivot by two vertical tubes in conjunction with a sheer pole; One binding group comprises a connecting rod and two L shaped button bars form, this connecting rod after-frame two vertical tubes top that is pivoted, two L shaped button bars be located at connecting rod inboard in frame two montants buckle knot and form the spacing combination of slip that terraced chair exhibition is received.
2. terraced chair structure-improved as claimed in claim 1 is characterized in that, two L shaped button bars and connecting rod solid welding are integral, and connecting rod middle section pivot is tied a hook spare, and the cross bar that frame was relative in the button knot when terraced chair launched is fixing to strengthen binding.
3. terraced chair structure-improved as claimed in claim 1 is characterized in that, side arm two side pipes are worn the safe backing pin that the expansion of knot one block after-frame two vertical tubes extends out in pivot knot after-frame pivot pin back upper place.
4. terraced chair structure-improved as claimed in claim 1 or 2, it is characterized in that, middle two riser upper end are in conjunction with a rack, rack comprises a ㄇ shape expansion bracket and an articles holding table forms, ㄇ shape expansion bracket is inserted in middle two vertical tubes with the both sides pipe, the V-arrangement shell fragment of noose one tool convex grain makes the convex grain protrude two side pipe outer walls in the tube opening end of ㄇ shape expansion bracket both sides, and middle two vertical tube epimere tube walls provide for convex grain top and anchor several locating holes that the position is regulated.
5. terraced chair structure-improved as claimed in claim 4 is characterized in that, ㄇ shape expansion bracket upper lateral tube is convexly equipped with a horizontal upper stopper and inwardly and descends longitudinally stopper down; Provide number on the articles holding table for the jack of tool inserting knot location, be convexly equipped with in the middle of the bottom stopper on the unfolding buckle group one on the button caking, and the lower button caking of stopper under the button group when folding, the articles holding table two bottom sides is convexly equipped with cover and steps up cross bar two connecting supports, cooperate limited block lid group spiral shell knot pivot group, articles holding table can or vertically be folded according to the upper lateral tube flip horizontal.
6. a terraced chair structure-improved is characterized in that, comprising a side arm is that tubulose ㄇ shape frame can be for the relative pivot knot in number pedal leading portion both sides in two side pipes; Frame is by the cross bar such as number such as grade that provides each pedal rear side to abut against support is provided between two vertical tubes in one; One after-frame is tied in side arm two side pipe epimeres with the upper end pivot by two vertical tubes in conjunction with a sheer pole, and a binding group is that an end and middle two vertical tubes link, and another end and after-frame two vertical tube pivots are formed the binding structure that slides; The flexible rack of one tool is located at middle upper end.
7. terraced chair structure-improved as claimed in claim 6, it is characterized in that, rack comprises a ㄇ shape expansion bracket and an articles holding table forms, ㄇ shape expansion bracket is inserted in middle two vertical tubes with the both sides pipe, the V-arrangement shell fragment of noose one tool convex grain in the tube opening end of ㄇ shape expansion bracket both sides, make the convex grain protrude two side pipe outer walls, middle two vertical tube epimere tube walls provide for convex grain top and anchor several locating holes that the position is regulated.
8. terraced chair structure-improved as claimed in claim 7 is characterized in that, ㄇ shape expansion bracket upper lateral tube is convexly equipped with a horizontal upper stopper and inwardly and descends longitudinally stopper down; Provide number on the articles holding table for the jack of tool inserting knot location, be convexly equipped with in the middle of the bottom stopper on the unfolding buckle group one on the button caking, and the lower button caking of stopper under the button group when folding, the articles holding table two bottom sides is convexly equipped with cover and steps up cross bar two connecting supports, cooperate limited block lid group spiral shell knot pivot group, articles holding table can or vertically be folded according to the cross tube flip horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220235199 CN202850846U (en) | 2012-05-23 | 2012-05-23 | Improved structure of ladder chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220235199 CN202850846U (en) | 2012-05-23 | 2012-05-23 | Improved structure of ladder chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202850846U true CN202850846U (en) | 2013-04-03 |
Family
ID=47982057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220235199 Expired - Fee Related CN202850846U (en) | 2012-05-23 | 2012-05-23 | Improved structure of ladder chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202850846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381120A (en) * | 2013-07-19 | 2013-11-06 | 哈尔滨工程大学 | Wheelchair capable of enabling patient to get into/out of bed conveniently |
| CN105201401A (en) * | 2015-09-11 | 2015-12-30 | 广西大学 | Contraction folding ladder |
-
2012
- 2012-05-23 CN CN 201220235199 patent/CN202850846U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381120A (en) * | 2013-07-19 | 2013-11-06 | 哈尔滨工程大学 | Wheelchair capable of enabling patient to get into/out of bed conveniently |
| CN103381120B (en) * | 2013-07-19 | 2015-12-09 | 哈尔滨工程大学 | Facilitate the wheelchair of patient's bunk bed |
| CN105201401A (en) * | 2015-09-11 | 2015-12-30 | 广西大学 | Contraction folding ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20140523 |