CN201718729U

CN201718729U - Table supporting frame

Info

Publication number: CN201718729U
Application number: CN2010202028600U
Authority: CN
Inventors: 夏传明; 周邦林; 周攀
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-25
Filing date: 2010-05-25
Publication date: 2011-01-26
Anticipated expiration: 2020-05-25

Abstract

The utility model relates to a table supporting frame, which comprises a first bracket and a second bracket. Both the first bracket and the second bracket are of a rectangular frame structure. The middle positions of transverse rods on the upper and lower parts of the first bracket and the second bracket are rotatably connected by pins. Limit rods are arranged between the transverse rods on the upper or lower parts of the first bracket and the second brackets. Both ends of the limit rods are respectively movably connected with the first bracket and the second bracket. The utility model solves the problem that the table supporting frame is difficult to be accurately positioned and is supported unstably after the table supporting frame is unfolded and reaches the positioning function when the supporting frame is opened by arranging the limit rods. The table supporting frame does not occupy space after being folded and is convenient to carry, but also has the advantages of high stability, higher connection strength, simple structure and lower manufacturing cost.

Description

The desk bracing frame

Technical field

The utility model belongs to the daily living article technical field, is specially a kind of bracing frame of desk, and it has the positioning function after the expansion, and folding convenient, steadiness are good.

Background technology

Existing desk normally is made of desktop and bracing frame two parts, wherein the structure kind of bracing frame is a lot, commonly used a kind of be that support right-angled intersection by two rectangles connects the back and forms, during use, bracing frame opened to form be similar to crossly, desktop is placed on the bracing frame gets final product then.But the bracing frame of this structure is when opening, because two supports all can rotate; therefore the angle of its bifurcated is difficult to control; usually can be owing to the excessive bracing frame discontinuity equalization that makes of angle of rotating, desktop is put unstable also generation the in back and is rocked, and has influenced normal use.Simultaneously, because the weight of bracing frame is lighter, touches the back a little and just move easily, whole steadiness is relatively poor, the transverse bar of support with vertically be connected by pin etc. between the bar, service time is long slightly, pin gets rusty easily or is stuck, rotates dumb; This also is the problem that needs solution.

The utility model content

At desk bracing frame above shortcomings in the prior art, the purpose of this utility model is to provide a kind of bifurcation angle that bracing frame forms that can limit upon deployment, and supports the desk bracing frame that steadiness is good, the internal stent bonding strength is high.

The technical solution of the utility model: the desk bracing frame, comprise first support and second support, described first support and second support are rectangular frame structure, and the transverse bar of first support and the second support upper and lower part is rotatably connected by pin in the centre position; It is characterized in that, be provided with gag lever post between the transverse bar of the top of first support and second support or bottom, the two ends of described gag lever post flexibly connect with first support and second support respectively.

Further, described gag lever post comprises the first spacing pole and the second spacing pole, one end of the described first spacing pole is movably connected on first support, one end of the second spacing pole and second support flexibly connect, and the other end of the described first spacing pole flexibly connects by the bearing pin and the second spacing pole.

Oblique reinforcement between the framework transverse bar of first support and second support and vertical bar.

Further again, described first support and second support all are to be connected and composed by hollow pipe, all are filled with the liner that cement constitutes in the hollow pipe of first support and second support.

The utility model has solved and has been difficult to accurately location and support problem of unstable after the desk bracing frame launches, and during use, only needs support is opened to maximum angle, then desktop is put and can be used, easy for installation, do not need with artificial rotation location, steadiness is also fine, laborsavingly saves worry again.

With respect to defective of the prior art, the utlity model has following advantage:

1, the utility model is by being provided with gag lever post between two supports, thereby when bracing frame is opened, can the formed angle of limit bracket bifurcated, prevent that the angle that support opens is excessive, reach the function of location, and gag lever post can be folding with support, and folding back overlaps with support, bracing frame does not take parking space after folding like this, carries very convenient yet.

2, has good stable, the utility model medium-height trestle all is the structures that adopt steel pipe, be provided with the liner of cement material in the steel duct of support, can increase the overall weight of bracing frame like this, be difficult for during use rocking, steadiness is fine, moreover, internal stent has all been realized being connected and fixed each other by cement lining, thereby make integral support reach direct-connected effect, need not screw or welding, this bonding strength is higher, be difficult for being damaged, and prolonged the service life of bracing frame.

3, simple in structure, manufacturing cost is lower, and practical function is remarkable, has market prospects preferably.

Description of drawings

Fig. 1 is the structural representation of the utility model desk bracing frame;

Fig. 2 is an another kind of structural representation of the present utility model.

Among the figure, 1-first support, 2-second support, 3-gag lever post, the 31-first spacing pole, the 32-second spacing pole 32,4-bearing pin, 5-reinforcement, 6-liner.

The specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Embodiment 1: as shown in Figure 1, a kind of desk bracing frame, comprise first support 1 and second support 2, described first support 1 is identical rectangular frame structure with second support 2, the transverse bar of first support 1 and second support, 2 upper and lower parts is rotatably connected by pin in the centre position, can keep in balance when support rotates like this, symmetry; Between the transverse bar of first support 1 and second support, 2 upper ends intersection, be provided with folding gag lever post 3, described gag lever post 3 comprises the first spacing pole 31 and the second spacing pole 32, one end of the first spacing pole 31 is movably connected on first support 1, one end of the second spacing pole 32 is movably connected on second support 2, the described first spacing pole 31 is all relative with the tie point position of corresponding support with the second spacing pole 32 fixing, and the other end of the first spacing pole 31 flexibly connects by the bearing pin 4 and the second spacing pole 32.When the first spacing pole 31 and the second spacing pole 32 are launched into 180 °, first support 1 is vertical in the horizontal direction with second support 2, this moment, bracing frame was launched into cross, and this angle is the maximum angle that bracing frame launches, so just realized positioning function, avoided because the excessive unsteady situation of bracing frame that causes of start point to the bracing frame expansion.When folding, first support 1 and second support 2 are rotated around the shaft and draw coincidences, the first spacing pole 31 and the second spacing pole 32 are also rotated gathering around bearing pin 4 on the gag lever post 3, overlapping at last, like this, the bracing frame after folding does not take up room, and deposits more convenient yet.

Embodiment 2: referring to Fig. 1, be on the basis of desk bracing frame in embodiment 1, between the transverse bar of first support 1 and second support 2 and vertical bar oblique reinforcement 5 be set, help the bonding strength between the inner four edges of reinforced support like this.Simultaneously, first support 1 and second support 2 all adopt hollow metal tube to connect and compose, in the hollow pipe of first support 1 and second support 2, all be filled with the liner 6 that constitutes by cement, because the adhesive effect of cement, can be directly each limit of support be adhesively fixed, the transverse bar of support is not connected with vertically just not needing welding or pin between the bar like this, promptly just can directly connect as one by cement, simpler during making, and can also play the effect that increases weight support frame by the liner 6 that cement constitutes, be difficult for being pushed when bracing frame is placed like this, more firm, durable in use.

Embodiment 3: referring to Fig. 2, a kind of desk bracing frame, have first support 1 and second support 2 with embodiment 1 same structure, between first support 1, two the vertical bars adjacent, be provided with gag lever post 3 with second support 2, described gag lever post 3 is positioned on the horizontal direction, and the structure of gag lever post 3 is identical with structure among the embodiment 1.When bracing frame was launched into cross, the first spacing pole 31 and the second spacing pole 32 were stretched and form 180 °, were the maximum start point of bracing frame this moment; Same, when folding, gag lever post 3 draws in and overlaps, hide with support in, do not take up space.

In the utility model, above embodiment is only in order to illustrate the technical solution of the utility model but not the restriction technologies scheme, be not limited only to one as gag lever post 3, also can be provided with between two horizontal edges and between two vertical edges simultaneously, can also respectively be provided with one in the symmetric position between horizontal edge or the vertical edge, these all are that those skilled in the art can understand and consider, although the applicant has been described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are made amendment to the technical solution of the utility model or are equal to replacement, and do not break away from the aim and the scope of the technical program, all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. desk bracing frame, comprise first support (1) and second support (2), described first support (1) and second support (2) are rectangular frame structure, and the transverse bar of first support (1) and second support (2) upper and lower part is rotatably connected by pin in the centre position; It is characterized in that, be provided with gag lever post (3) between the transverse bar of the top of first support (1) and second support (2) or bottom, the two ends of described gag lever post (3) flexibly connect with first support (1) and second support (2) respectively.

2. desk bracing frame according to claim 1, it is characterized in that, described gag lever post (3) comprises the first spacing pole (31) and the second spacing pole (32), one end of the described first spacing pole (31) is movably connected on first support (1), one end of the second spacing pole (32) and second support (2) flexibly connect, and the other end of the described first spacing pole (31) flexibly connects by the bearing pin (4) and the second spacing pole (32).

3. desk bracing frame according to claim 1 is characterized in that, is provided with reinforcement (5) between the transverse bar of first support (1) and second support (2) and vertical bar.

4. desk bracing frame according to claim 2 is characterized in that, when the described first spacing pole (31) and the second spacing pole (32) were launched into 180 °, first support (1) was vertical with second support (2).

5. desk bracing frame according to claim 3, it is characterized in that, described first support (1) and second support (2) all are to be connected and composed by hollow pipe, all are filled with the liner (6) that cement constitutes in the hollow pipe of first support (1) and second support (2).