CN113439941A

CN113439941A - Folding support frame with stable structure

Info

Publication number: CN113439941A
Application number: CN202110774971.1A
Authority: CN
Inventors: 杜永霖
Original assignee: Foshan Nanhai Chanshi Stainless Steel Co ltd
Current assignee: Foshan Nanhai Chanshi Stainless Steel Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-09-28
Anticipated expiration: 2041-07-08
Also published as: CN113439941B

Abstract

The invention discloses a folding type support frame with a stable structure, which comprises two plate bodies, wherein one ends of the two plate bodies are hinged with each other, folding type supporting feet for supporting the plate bodies are hinged to the back surfaces of the plate bodies, a stabilizing component for improving the stability of the folding type supporting feet when the folding type supporting feet are placed is arranged between the two opposite folding type supporting feet, the two plate bodies are used for supporting objects, the two plate bodies are firstly turned over and opened, the folding type supporting feet are unfolded to play a role of supporting the plate bodies, the two opposite folding type supporting feet are kept stable through the stabilizing component, the folding type supporting feet are prevented from inclining towards two sides due to overweight of the supported objects, and meanwhile, the anti-skidding performance and the stability of the folding type supporting feet are improved through supporting blocks.

Description

Folding support frame with stable structure

Technical Field

The invention relates to a folding support frame with a stable structure.

Background

The support frame has multiple usage in the life, can improve the height, to can avoiding the article to be placed subaerially directly when using like this, but current support frame can not fold, carries inconveniently, and some support frame stability that can fold are not enough, and the supporting legs is askew to both sides easily when supporting heavier article, leads to the article to drop or the support frame collapses.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a folding type support frame with a stable structure, which can be folded quickly and conveniently, is convenient to carry and can improve the stability of supporting objects.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides a foldable support frame with stable structure, includes two plate bodys, two the one end of plate body is articulated each other the back of plate body articulates there is the foldable supporting legs that is used for supporting the plate body, two are relative be equipped with between the foldable supporting legs and be used for improving the stability when the foldable supporting legs is placed.

Preferably, the stabilizing component comprises supporting blocks which are respectively connected to two sides of the lower part of the folding supporting legs in a rotating manner, wherein two sides of the middle part of one folding supporting leg are respectively hinged with a first connecting rod, two sides of the middle part of the other folding supporting leg are respectively hinged with a second connecting rod, the outer end of the first connecting rod is buckled with the outer end of the second connecting rod, a linkage component is arranged between the first connecting rod and the supporting block adjacent to the same side, and the linkage component is arranged between the second connecting rod and the supporting block adjacent to the same side.

Preferably, the linkage assembly comprises a first chain wheel, a second chain wheel and a chain sleeved on the first chain wheel and the second chain wheel, the rotating shafts of the first connecting rod and the second connecting rod are respectively and fixedly connected with the corresponding first chain wheel, and the rotating shaft of the supporting block is fixedly connected with the corresponding second chain wheel.

Preferably, a hook portion is arranged at the outer end of the first connecting rod, a first convex column is arranged at the outer end of the second connecting rod, and the first convex column is buckled with the hook portion.

Preferably, the bottom surface of the supporting block is provided with an anti-skid layer.

Preferably, the anti-skid layer is provided with anti-skid grains.

Preferably, the foldable supporting legs comprise a first supporting plate and a second supporting plate, the upper end of the first supporting plate is hinged to the back surface of the plate body, the lower end of the first supporting plate is hinged to the upper end of the second supporting plate, and a locking assembly for preventing the second supporting plate and the first supporting plate from rotating relatively is arranged between the second supporting plate and the first supporting plate.

Preferably, the locking assembly comprises a rotary disc rotatably connected to the second support plate, second convex columns are arranged on the rotary disc at intervals, first positioning holes and second positioning holes are respectively formed in positions corresponding to two sides of the first support plate and the second support plate, the same pin rod is inserted into the first positioning holes and the second positioning holes on the same side, one end of each pin rod is rotatably connected with the corresponding second convex columns, a shifting rod is arranged on the rotary disc, a guide groove is formed in the second support plate, a third convex column is arranged on one side, facing the guide groove, of the shifting rod, and the third convex column is movably arranged in the guide groove.

Preferably, a limiting plate is arranged at a position, close to the second positioning hole, of the second supporting plate, a long groove is formed in the limiting plate, and the pin rod is inserted into the long groove.

Preferably, the guide groove is in an inverted V shape or an arc shape.

In summary, compared with the prior art, the invention has the beneficial effects that:

the two plate bodies are used for supporting objects, the two plate bodies are turned over and opened at first, the folding supporting feet are unfolded to play a role of supporting the plate bodies, the two opposite folding supporting feet are kept stable through the stabilizing assembly, the folding supporting feet are prevented from inclining towards two sides due to overweight of the supported objects, and meanwhile, the anti-skidding performance and the stability of the folding supporting feet are improved through the supporting blocks.

Drawings

FIG. 1 is a perspective view of the present invention in an expanded state;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a second perspective view of the expanded state of the present invention;

FIG. 4 is an enlarged schematic view at B of FIG. 3;

fig. 5 is an enlarged schematic view at C in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the folding support frame with a stable structure provided by the invention comprises two plate bodies 1, wherein one ends of the two plate bodies 1 are hinged to each other, the back surfaces of the plate bodies 1 are hinged with folding support legs 2 for supporting the plate bodies 1, a stabilizing component 3 for improving the stability of the folding support legs 2 when the folding support legs 2 are placed is arranged between the two opposite folding support legs 2, the two plate bodies 1 are used for supporting objects, the two plate bodies 1 are firstly turned over and opened, the folding support legs 2 are unfolded to play a role of supporting the plate bodies 1, the two opposite folding support legs 2 are kept stable through the stabilizing component 3, the folding support legs 2 are prevented from being tilted towards two sides due to overweight of the supported objects, and meanwhile, the anti-skidding performance and the stability of the folding support legs 2 are improved through support blocks 30.

The stabilizing component 3 of the invention comprises supporting blocks 30 which are respectively connected with two sides of the lower part of the folding supporting feet 2 in a rotating way, wherein two sides of the middle part of one folding supporting foot 2 are respectively hinged with a first connecting rod 31, two sides of the middle part of the other folding supporting foot 2 are respectively hinged with a second connecting rod 32, the outer end of the first connecting rod 31 is buckled with the outer end of the second connecting rod 32, a linkage component 4 is arranged between the first connecting rod 31 and the supporting block 30 adjacent to the same side, and the linkage component 4 is arranged between the second connecting rod 32 and the supporting block 30 adjacent to the same side, when the invention is unfolded for use, the folding supporting feet 2 at two sides are more stable through the mutual buckling of the first connecting rod 31 and the second connecting rod 32, and the supporting blocks 30 are unfolded for supporting function through the linkage component 4 when the first connecting rod 31 and the second connecting rod 32 are unfolded, the folding supporting legs 2 are prevented from sliding towards two sides, and the stability is further improved.

The linkage assembly 4 of the present invention comprises a first sprocket 40, a second sprocket 41 and a chain 42 sleeved on the first sprocket 40 and the second sprocket 41, wherein the rotation shafts of the first connecting rod 31 and the second connecting rod 32 are respectively and fixedly connected with the corresponding first sprocket 40, and the rotation shaft of the supporting block 30 is fixedly connected with the corresponding second sprocket 41, when the present invention needs to be unfolded, the first connecting rod 31 and the second connecting rod 32 are turned inwards, so that the first sprocket 40 drives the second sprocket 41 to rotate through the chain 42, and the supporting block 30 is turned outwards to support the foldable supporting leg 2.

According to the foldable support leg, the outer end of the first connecting rod 31 is provided with the hook part 33, the outer end of the second connecting rod 32 is provided with the first convex column 34, the first convex column 34 is buckled with the hook part 33, the first connecting rod 31 is connected with the second connecting rod 32 through the buckling of the first convex column 34 and the hook part 33, and the foldable support leg 2 is placed on the support plate body 1, so that the foldable support leg 2 is turned towards two sides due to the overweight of an object.

The bottom surface of the supporting block 30 is provided with the anti-skid layer 35, the anti-skid layer 35 is provided with anti-skid grains, and the anti-skid layer 35 and the corresponding anti-skid grains play a role in skid resistance.

The folding supporting leg 2 comprises a first supporting plate 20 and a second supporting plate 21, wherein the upper end of the first supporting plate 20 is hinged on the back surface of the plate body 1, the lower end of the first supporting plate 20 is hinged with the upper end of the second supporting plate 21, and a locking component 22 for preventing the second supporting plate 21 and the first supporting plate 20 from rotating relatively is arranged between the second supporting plate 21 and the first supporting plate 20.

The locking assembly 22 of the present invention comprises a rotating disc 23 rotatably connected to the second support plate 21, second studs 100 are arranged on the rotating disc 23 at intervals, corresponding positions on two sides of the first support plate 20 and the second support plate 21 are respectively provided with a first positioning hole 24 and a second positioning hole 25, the same pin 26 is inserted into the first positioning hole 24 and the second positioning hole 25 on the same side, one end of the pin 26 is rotatably connected to the corresponding second stud 100, the rotating disc 23 is provided with a deflector rod 27, the second support plate 21 is provided with a guide groove 28, one side of the deflector rod 27 facing the guide groove 28 is provided with a third stud 101, the third stud 101 is movably arranged in the guide groove 28, when the second support plate 21 after being turned needs to be locked, the deflector rod 26 needs to be pulled to move the third stud 101 to the other side along the guide groove 28, thereby, the rotating disc 23 rotates, the second protruding column 100 makes the pin rod 26 move outwards, so that the pin rod 26 is inserted into the first positioning hole 24 and the second positioning hole 25 on the corresponding side, thereby realizing the function of fixing the second supporting plate 21, and the unlocking can be completed by poking the poking rod 26 in the opposite direction.

In the invention, a position-limiting plate 29 is arranged at the position of the second supporting plate 21 close to the second positioning hole 25, a long groove 200 is arranged on the position-limiting plate 29, and the pin rod 26 is inserted in the long groove 200. The stopper plate 29 prevents the pin 26 from falling off and serves as a guide, and the elongated slot 200 allows the pin 26 to smoothly enter the first positioning hole 24 and the second positioning hole 25 when moving outward.

The guide groove 28 of the present invention is in the shape of an inverted "V" or an arc.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a foldable support frame with stable structure, includes two plate bodies (1), two the one end of plate body (1) is articulated each other, its characterized in that, the back of plate body (1) articulates there is foldable supporting legs (2) that are used for supporting plate body (1), is equipped with between double-phase relative foldable supporting legs (2) and is used for improving stability when foldable supporting legs (2) are placed stabilizing component (3).

2. The folding support stand with the stable structure according to claim 1, wherein the stable assembly (3) comprises support blocks (30) rotatably connected to two sides of the lower portion of the folding support leg (2), wherein two sides of the middle portion of one folding support leg (2) are respectively hinged with a first connecting rod (31), two sides of the middle portion of the other folding support leg (2) are respectively hinged with a second connecting rod (32), the outer end of the first connecting rod (31) is fastened to the outer end of the second connecting rod (32), a linkage assembly (4) is arranged between the first connecting rod (31) and the support block (30) adjacent to the same side, and the linkage assembly (4) is arranged between the second connecting rod (32) and the support block (30) adjacent to the same side.

3. The folding support stand with stable structure as claimed in claim 2, wherein the linkage assembly (4) comprises a first chain wheel (40), a second chain wheel (41) and a chain (42) sleeved on the first chain wheel (40) and the second chain wheel (41), the rotation axes of the first connecting rod (31) and the second connecting rod (32) are respectively fixedly connected with the corresponding first chain wheel (40), and the rotation axis of the support block (30) is fixedly connected with the corresponding second chain wheel (41).

4. The foldable support stand with stable structure as claimed in claim 3, wherein a hook (33) is provided on the outer end of the first link (31), and a first protrusion (34) is provided on the outer end of the second link (32), the first protrusion (34) is buckled with the hook (33).

5. The folding support stand with stabilized structure as claimed in claim 4, wherein the bottom surface of the supporting block (30) is provided with a skidproof layer (35).

6. The folding support stand with stabilized structure as claimed in claim 5, characterized in that the anti-slip layer (35) is provided with anti-slip lines.

7. The folding support stand with stable structure of claim 6, characterized in that the folding support leg (2) comprises a first support plate (20) and a second support plate (21), the upper end of the first support plate (20) is hinged on the back of the plate body (1), the lower end of the first support plate (20) is hinged with the upper end of the second support plate (21), and a locking component (22) for preventing the second support plate (21) and the first support plate (20) from rotating relatively is arranged between the second support plate (21) and the first support plate (20).

8. The foldable support stand with stable structure as claimed in claim 7, wherein the locking assembly (22) comprises a rotary plate (23) rotatably connected to the second support plate (21), second protruding columns (100) are spaced on the rotary plate (23), a first positioning hole (24) and a second positioning hole (25) are respectively formed on the corresponding positions of the two sides of the first support plate (20) and the second support plate (21), a same pin rod (26) is inserted into the first positioning hole (24) and the second positioning hole (25) on the same side, one end of the pin rod (26) is rotatably connected to the corresponding second protruding column (100), a pulling rod (27) is disposed on the rotary plate (23), a guiding slot (28) is disposed on the second support plate (21), and a third protruding column (101) is disposed on the side of the pulling rod (27) facing the guiding slot (28), the third convex column (101) is movably arranged in the guide groove (28).

9. The foldable support stand with stable structure as claimed in claim 8, wherein a position-limiting plate (29) is disposed on the second support plate (21) near the second positioning hole (25), a long slot (200) is disposed on the position-limiting plate (29), and the pin rod (26) is inserted into the long slot (200).

10. The folding support stand with stabilized structure of claim 9 wherein said guide slot (28) is in the shape of an inverted "V" or an arc.