CN203776361U

CN203776361U - Folding frame structure

Info

Publication number: CN203776361U
Application number: CN201420139685.3U
Authority: CN
Inventors: 崔宽峻
Original assignee: Kebeili Xiamen Leisure Products Co Ltd
Current assignee: Kebeili Xiamen Leisure Products Co Ltd
Priority date: 2014-03-26
Filing date: 2014-03-26
Publication date: 2014-08-20
Anticipated expiration: 2024-03-26

Abstract

The utility model provides a folding frame structure which is convenient to use and stable in structure. The folding frame structure comprises two or more than two groups of support frames; each group of support frame comprises two top rods, two leg rods and two support rods, wherein the two top rods and the twoleg rods are on a same plane surface, and are connected together through spacing connecting parts; the two top rods are horizontally linear after the top rods are spread; the two leg rods are arranged under the top rods; the lower ends of the leg rods are inclined outward respectively; slide tracks are arranged on the leg rods; one end of each supporting rod is correspondingly hinged to one top rod; the other end of the supporting rod is correspondingly connected onto one slide track of the leg rod; a supporting rod and the corresponding leg rod are Y-shaped after the supporting rod and the leg rod are spread; the support frames are connected through first cross rods. Being arranged on the leg rods, the slide blocks are prevented from directly bearing the pressure from the top rods, and are not easy to damage; the support frames are more stable in structure.

Description

A kind of folding stand structure

Technical field

The utility model relates to a kind of structure of shelf, especially a kind of folding stand structure that can realize fast fast folding.

Background technology

Folding stand structure, due to conveniences such as it are collapsible, do not take up space, is widely used on the various life appliances such as various folding tables, folding seat and folding bed.The general whole employing articulated manner of existing folding stand structure connect, ubiquity operating difficulties, and, still there is further improved space in the problem such as deployed configuration is unstable.

Chinese utility model patent ZL200920215914.4 discloses a kind of box-type folding table, by adopt slide block structure on pin pipe, realize the expansion of desk and fold, solved the stability problem after folding table launches, but it launches and folding process need to be inverted folding table, more inconvenient, also limited simultaneously by this structure applications in folding bed etc. compared with big article may because folding beds etc. are compared with the difficult inversion of big article.

Chinese utility model patent ZL200920202705.6 discloses a kind of folding table, by positioning pipe, down tube, pin pipe and transition joint, formed firm quadrangle desktop supporting construction, by rotating down tube, control the position of positioning sliding block, thereby the expansion that realizes folding table is with folding.But the transition joint of this folding stand structure and pin pipe pass through rivet, to pin pipe, do not carry out spacing, need to pin pipe, carry out spacing by down tube, its stressed concentrating on down tube and positioning sliding block, make down tube and positioning sliding block easily destroyed, therefore its desktop can not bear heavier pressure, once and the destroyed folding table of positioning sliding block just cannot work.

Utility model content

The folding stand structure that the purpose of this utility model is to provide a kind of easy to use, Stability Analysis of Structures and serves many purposes.

To achieve these goals, the present invention adopts following technical scheme:

A kind of folding stand structure, the bracing frame that comprises two groups or more, support frame as described above comprises two push rods, two foot levers and two poles, two described push rods and two described foot levers are positioned at same plane and link together by limit connector, wherein, after launching, two described push rods become horizontal linear shape, and limit connector is hinged therewith respectively in their one end, two described foot levers are positioned at the below of described push rod, and the upper end of two described foot levers is hinged with described limit connector respectively, lower end is outward-dipping in opposite directions respectively; On two described foot levers, be all provided with slide rail, one end of two described poles respectively correspondence is hinged on two described push rods, its other end is connected respectively on the described slide rail of two described foot levers, and be launched into " Y " shape with corresponding described foot lever respectively, between support frame as described above, by the first cross bar, connect, described the first cross bar two ends are connected on described foot lever corresponding between support frame as described above.

As a kind of improvement of the present utility model, also comprise the second cross bar, described the second cross bar two ends are connected on described push rod corresponding between support frame as described above.

As a kind of improvement of the present utility model, also comprise the 3rd cross bar, described the 3rd cross bar two ends are connected on described pole corresponding between support frame as described above.

As a kind of improvement of the present utility model, described the 3rd cross bar has two, be connected on the different poles of same support frame as described above, between two described the 3rd cross bars, be also connected with fixed bar group, described fixed bar group comprises two fixed bars, one end of two described fixed bars is hinged, and the other end is connected on two described the 3rd cross bars by " U " shape connector respectively.

As a kind of improvement of the present utility model, described push rod is angle steel, and described foot lever, described the first cross bar and described fixed bar are square pipe fitting, and described pole and described the 3rd cross bar are oval pipe fitting, and described the second cross bar is band steel.

Adopt after technique scheme, as long as by the down folding of two push rods, by push rod, controlling the position of pole on slide rail can realize the expansion of folding stand and fold, compared with prior art, it launches when folding without pole or foot lever are operated, more without folding stand is inverted, easy to use.By slide rail is arranged on foot lever, avoid slide rail directly to bear from the pressure of push rod and easily destroyed, limit connector has position-limiting action to foot lever simultaneously, can reduce the stressed of pole and slide block, make bracing frame stressed more even, structure is more stable, can be applied on the life appliances such as folding table, folding seat and folding bed, of many uses.

Adopt improvement project of the present utility model, can further improve the stability of folding stand.With respect to all adopting circular pipe fitting or square pipe fitting as the rod member that forms folding stand in prior art, the utility model is selected the rod member of varying cross-section according to the not same-action of all kinds of bars, make folding stand integral body more stable.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model folding stand structure;

Fig. 2 is the structural representation of the limit connector of the utility model folding stand structure use;

Fig. 3 is the structural representation of the utility model folding stand structure folded state;

Fig. 4 is the structural representation after the utility model folding stand structure further folds;

Fig. 5 is the structural representation after the utility model folding stand structure folds completely.

In figure, indicate corresponding as follows:

1-bracing frame; 11-push rod;

12-foot lever; 13-pole;

14-limit connector; 141-push rod link slot;

142-push rod locating piece; 143-foot lever link slot;

144-foot lever locating piece; 15-slide rail;

151-chute; 2-the first cross bar;

3-the second cross bar; 4-the 3rd cross bar;

5-fixed bar group; 51-fixed bar;

52-" U " shape connector.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described further.

Folding stand structure in the present embodiment as shown in Figure 1, comprises two groups of bracing frames 1, and bracing frame 1 can be also more than two, and concrete quantity can arrange according to actual needs.Bracing frame 1 comprises two push rods 11, two foot levers 12 and two poles 13, and push rod 11 is angle steel, and foot lever 12 is square pipe fitting, and vertical rod 13 is oval pipe fitting, can placement table panel on push rod 11, the parts such as nonwoven.Push rod 11 and foot lever 12 are positioned at same plane and link together by limit connector 14, wherein, after launching, two push rods 11 become horizontal linear shape, and their one end is hinged with limit connector 14 respectively, two foot levers 12 are positioned at the below of push rod 11, and the upper end of two foot levers 12 is hinged with limit connector 14 respectively, lower end is outward-dipping in opposite directions respectively, it launches rear shape similar " greatly " font, the structure of limit connector 14 as shown in Figure 2, comprise push rod link slot 141, push rod locating piece 142, foot lever link slot 143 and foot lever locating piece 144, one end of push rod 11 is placed on push rod link slot 141, and hinged with limit connector 14, because push rod 11 is angle steel, push rod link slot 141 can be inserted in a limit in its angle steel, prevent that push rod 11 from moving forward and backward in expansion or folding process, can increase stability and the service life of folding stand, push rod locating piece 142 can limit the position after push rod 11 folds, one end of foot lever 12 is placed on foot lever link slot 143, and hinged with limit connector 14, foot lever locating piece 144 can limit the maximum expanded angle of foot lever 12.On two foot levers 12, be all provided with slide rail 15, slide rail 15 can be conventional slide rail, and in the present embodiment, slide rail 15 adopts and is fixed on one section of angle steel on foot lever 12, side weld of its angle steel is connected on foot lever 12, offers along its length chute 151 on another limit.One end of two poles 13 respectively correspondence is hinged on two push rods 11, and its other end is corresponding to be respectively connected on the chute 151 of two slide rails 15 on foot lever 12 by screw or pin, and two poles 13 can be slided on corresponding slide rail 15.Vertical rod 13 and foot lever 12 are launched into two symmetrical " Y " shapes, and whole bracing frame 1 is launched into similar " going out " font.Between bracing frame 1, by the first cross bar 2, the second cross bar 3, be connected with the 3rd cross bar 4, the first cross bar 2 is square pipe fitting, its two ends are connected on foot lever 12 corresponding between two bracing frames 1, the second cross bar 3 is band steel, its two ends are connected on push rod 11 corresponding between two bracing frames, the 3rd cross bar 4 is oval pipe fitting, and its two ends are connected on pole 13 corresponding between two bracing frames.In the present embodiment, the first cross bar 2, the second cross bar 3 and the 3rd cross bar 4 all have two, two the first cross bars 2, the second cross bar 3 and two the 3rd cross bars 4 are connected to the different foot levers 1 of same bracing frame 1, on push rod 2 and pole 13, between two the 3rd cross bars 4, be also connected with fixed bar group 5, fixed bar group 5 comprises two fixed bars 51, one end of described fixed bar 51 is hinged, the other end is connected on two the 3rd cross bars 4 by " U " shape connector 52 respectively, " U " shape connector 52 is conventional connecting-piece structure, mode by welding is fixed on the 3rd cross bar 4.

Fig. 3-Figure 5 shows that schematic diagram of the folding stand structure folded state of the present embodiment.During folding, first promote the downward folding of two push rods 11, under the drive of push rod 11, pole 13 is along slide rail 15 toward lower slider, one end that stationary pipes 51 is hinged moves down naturally, as shown in Figure 3, then by two foot levers 12 to middle folding, as shown in Figure 4, the state after final folding completely as shown in Figure 5.

By reference to the accompanying drawings the utility model has been done to detailed explanation above; but embodiment of the present utility model is not limited in above-mentioned embodiment; those skilled in the art can make various distortion to the utility model according to prior art; as foot lever 12 is arranged to Telescopic rod structure etc., these all belong to protection domain of the present utility model.

Claims

1. a folding stand structure, it is characterized in that, the bracing frame that comprises two groups or more, support frame as described above comprises two push rods, two foot levers and two poles, two described push rods and two described foot levers are positioned at same plane and link together by limit connector, wherein, after launching, two described push rods become horizontal linear shape, and limit connector is hinged therewith respectively in their one end, two described foot levers are positioned at the below of described push rod, and the upper end of two described foot levers is hinged with described limit connector respectively, lower end is outward-dipping in opposite directions respectively, on two described foot levers, be all provided with slide rail, one end of two described poles respectively correspondence is hinged on two described push rods, its other end is connected respectively on the described slide rail of two described foot levers, and be launched into " Y " shape with corresponding described foot lever respectively, between support frame as described above, by the first cross bar, connect, described the first cross bar two ends are connected on described foot lever corresponding between support frame as described above.

2. folding stand structure as claimed in claim 1, is characterized in that, also comprises the second cross bar, and described the second cross bar two ends are connected on described push rod corresponding between support frame as described above.

3. folding stand structure as claimed in claim 1, is characterized in that, also comprises the 3rd cross bar, and described the 3rd cross bar two ends are connected on described pole corresponding between support frame as described above.

4. folding stand structure as claimed in claim 3, it is characterized in that, described the 3rd cross bar has two, be connected on the different poles of same support frame as described above, between two described the 3rd cross bars, be also connected with fixed bar group, described fixed bar group comprises two fixed bars, and one end of two described fixed bars is hinged, and the other end is connected on two described the 3rd cross bars by " U " shape connector respectively.

5. the folding stand structure as described in arbitrary claim in claim 1-4, it is characterized in that, described push rod is angle steel, and described foot lever, described the first cross bar and described fixed bar are square pipe fitting, described pole and described the 3rd cross bar are oval pipe fitting, and described the second cross bar is band steel.