CN219954855U - Folding bracket - Google Patents

Abstract

The utility model relates to a folding bracket which comprises a supporting block, a fixed seat arranged at the far end of the supporting block, and a plurality of supporting columns rotatably arranged at the near end of the supporting block, wherein the tail end of the supporting column far away from the supporting block is simultaneously and rotatably connected with a first bifurcation and a second bifurcation, the first bifurcation is close to the second bifurcation and is rotatably connected with a first connecting rod, the second bifurcation is close to the first bifurcation and is rotatably connected with a second connecting rod, the tail ends of the first bifurcation and the second bifurcation are far away from the first connecting rod and are rotatably connected, the supporting columns are rotated in the horizontal direction, and simultaneously the first bifurcation and the second bifurcation are rotated and opened to form a certain angle, the supporting block is supported on the ground, and the first bifurcation and the second bifurcation are unfolded, so that the supporting point of the device is increased, and the stability of the device during supporting is greatly increased.

Description

Folding bracket

Technical Field

The utility model relates to the technical field of folding frames, in particular to a folding bracket.

Background

The radial support is used as a supporting structural member matched with the upright post for use, and is widely applied to industrial production and daily life.

For the transportation of being convenient for, the radial support frame of current mostly can fold, though the support frame after folding is convenient for transport, but folding support column is for monolithic support column, its stability necessarily reduces to some extent, can increase the quantity of supporting point through increasing the quantity of support column, and then the stability of reinforcing support frame, but the size of support frame main part is limited, under the prerequisite of not expanding the support frame main part, the quantity of support column can not unlimited increase, and after having increased the quantity of support column, when meetting irregular ground, irregular ground and support column take place interference probability also greatly increased, probably lead to the support frame unable stable to lay, the practicality of equipment has been reduced.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, it is an object of the present utility model to provide a folding stand that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a folding brace comprising:

the support block, set up in the fixing base of the distal end of support block, rotatable set up in a plurality of support columns of the proximal end of support block, the support column keep away from the terminal of support block is rotatable simultaneously to be connected with first bifurcation, second bifurcation, first bifurcation is close to second bifurcation department swivelling joint has first connecting rod, second bifurcation is close to first bifurcation department swivelling joint has the second connecting rod, first connecting rod, second connecting rod keep away from first bifurcation, the terminal swivelling joint of second bifurcation, to the horizontal direction rotation support column, rotatory opening simultaneously first bifurcation, second bifurcation makes first bifurcation, second bifurcation become certain angle, the support block is supported subaerial.

Further, a first extension part is arranged at the tail end of the first connecting rod, which is close to one end of the second connecting rod, two second extension parts are arranged at the tail end of the second connecting rod, which is close to one end of the first connecting rod, and the first extension parts are clamped between the two second extension parts.

Further, the first extension portion is provided with a clamping hole, the second extension portion is correspondingly provided with a through hole, and the two elastic rotating pins are respectively clamped into two ends of the clamping hole along the two through holes.

Further, one end of the elastic rotating pin clamped into the clamping hole is provided with a plurality of fourth extending parts, a plurality of second grooves are respectively formed in the fourth extending parts, a plurality of fifth extending parts clamped into the second grooves are arranged on the inner wall of the clamping hole, and the fourth extending parts are made of elastic materials.

Further, a sixth extension is provided on a side of the elastic rotation pin away from the end of the first link.

Further, a plurality of first grooves are formed in the proximal end of the supporting block, a first rotating shaft is arranged in each first groove, and the distal end of the supporting column is rotatably connected with the first rotating shaft.

Further, the groove surface of the distal end of the first groove forms an included angle with the horizontal direction and interferes with the rotation of the support column, so that the support column cannot rotate from the vertical state to the distal end to the horizontal state.

Further, a guide rod is further arranged between the first bifurcation and the second bifurcation along the length direction of the support column at the proximal end of the support column, a guide groove is formed in the guide rod, and the joint of the first connecting rod and the second connecting rod slides along the guide groove.

Further, a storage groove is formed between the first bifurcation and the second bifurcation in opposite directions, a third extension part is arranged in the storage groove, and the two third extension parts are respectively connected with the first bifurcation and the second bifurcation in a rotating mode.

Further, the tail ends of the first bifurcation and the second bifurcation are also provided with lifting lugs.

Compared with the prior art, the utility model has the following beneficial technical effects:

(1) According to the folding bracket, the first bifurcation and the second bifurcation are rotatably arranged at the tail end of the support column far away from the support block, and are connected through the first connecting rod and the second connecting rod, so that the unfolding angle between the first bifurcation and the second bifurcation is limited, when the support block supports an object, the support point of the device can be increased by unfolding the first bifurcation and the second bifurcation, the stability of the device during support is greatly improved, and when the device is on an irregular ground, the first bifurcation and the second bifurcation can be selected not to be unfolded or to be partially unfolded, interference with the irregular ground is prevented, and the practicability of the device is improved.

(2) Further, the first connecting rod and the second connecting rod are in rotary connection through the elastic rotary pin, the angle of unfolding between the first bifurcation and the second bifurcation is fixed through the clamping between the fifth extension part and the second groove, the first bifurcation and the second bifurcation are prevented from rotating during supporting, the stability of supporting is damaged, the first bifurcation and the second bifurcation can not be unfolded at will after the device is closed, and the transportation is convenient.

(3) Further, the storage grooves are formed in opposite directions between the first bifurcation and the second bifurcation, after the first bifurcation and the second bifurcation are closed, the first connecting rod, the second connecting rod and the guide rod can be stored in the storage grooves, so that the occupied space of the device is reduced, and the transportation cost is reduced.

Drawings

Fig. 1 is a schematic front view of a folding bracket in a folded state according to a first embodiment of the present utility model.

Fig. 2 is a schematic top view of a foldable stand according to a first embodiment of the present utility model in an unfolded state.

Fig. 3 is a schematic top view of a folded stent according to a first embodiment of the present utility model in a bifurcated and unfolded state.

Fig. 4 is a schematic structural diagram of a connection portion between a first link and a second link in a folding bracket according to a first embodiment of the present utility model.

Fig. 5 is a schematic top view of a first extension part of a folding bracket according to a first embodiment of the present utility model.

Fig. 6 shows a schematic structural view of a fixing rope in a folding bracket according to a first embodiment of the present utility model.

The reference numerals in the drawings:

1. a support block; 11. a fixing seat; 12. a first groove; 121. a first rotating shaft; 2. a support column; 21. a first bifurcation; 211. a storage groove; 212. a third extension; 213. a seventh extension; 214. lifting lugs; 22. a second bifurcation; 23. a first link; 231. a first extension; 232. a clamping hole; 233. a fifth extension; 24. a second link; 241. a second extension; 242. a through hole; 25. a guide rod; 251. a guide groove; 26. a second rotating shaft; 3. an elastic rotation pin; 31. a sixth extension; 32. a fourth extension; 321. a second groove; 4. and fixing the rope.

Detailed Description

For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as limiting the utility model to the full scope of the utility model without affecting the efficiency or reach of the utility model.

In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

To more clearly describe the structure of the above-mentioned folding bracket, the present utility model defines the terms "distal end" and "proximal end", specifically, "distal end" means an end far away from the ground, and "proximal end" means an end close to the ground, taking fig. 1 as an example, an end of the supporting block 1 close to the fixing base 11 in fig. 1 is a distal end, and an end of the supporting block 1 close to the supporting column 2 in fig. 1 is a proximal end.

Example 1

Referring to fig. 1 to 5, a folding bracket includes a support block 1, a fixing seat 11 disposed at a distal end of the support block 1, and a plurality of support columns 2 rotatably disposed at a proximal end of the support block 1, wherein the support columns 2 are simultaneously rotatably connected with a first bifurcation 21 and a second bifurcation 22 at a distal end of the support block 1, the first bifurcation 21 is adjacent to the second bifurcation 22 and is rotatably connected with a first connecting rod 23, the second bifurcation 22 is adjacent to the first bifurcation 21 and is rotatably connected with a second connecting rod 24, the first connecting rod 23 and the second connecting rod 24 are separated from the distal ends of the first bifurcation 21 and the second bifurcation 22 and are rotatably connected with each other, the support columns 2 are rotated in a horizontal direction, and simultaneously the first bifurcation 21 and the second bifurcation 22 are rotated to open the first bifurcation 21 and the second bifurcation 22 to form a certain angle, and the support block 1 is supported on the ground. Specifically, the first connecting rod 23 and the second connecting rod 24 are connected to limit the unfolding angle between the first bifurcation 21 and the second bifurcation 22, when the supporting block 1 supports an object, the first bifurcation 21 and the second bifurcation 22 can be unfolded to increase the supporting point of the device, so that the stability of the device during supporting is greatly increased, when the device is on irregular ground, the first bifurcation 21 and the second bifurcation 22 can be selected to be unfolded or partially unfolded, interference with the irregular ground is prevented, the practicability of the device is improved, the fixing seat 11 can be arranged into various shapes such as a ring shape, a square shape, an oval shape and the like, and the object is convenient to fix.

The specific structure of the first link 23 and the second link 24 is described below:

referring to fig. 4, a first extension portion 231 is disposed at a terminal of the first connecting rod 23 near one end of the second connecting rod 24, two second extension portions 241 are disposed at a terminal of the second connecting rod 24 near one end of the first connecting rod 23, and the first extension portion 231 is clamped between the two second extension portions 241.

Referring to fig. 4, the first extension portion 231 has a locking hole 232, the second extension portion 241 has a through hole 242 correspondingly, and the two elastic rotation pins 3 are respectively locked into two ends of the locking hole 232 along the two through holes 242, and are rotatably connected with the first link 23 and the second link 24 through the elastic rotation pins 3.

Referring to fig. 4 and 5, a plurality of fourth extending portions 32 are disposed at one end of the elastic rotating pin 3 engaged with the engaging hole 232, a plurality of second grooves 321 are respectively disposed on the fourth extending portions 32, a plurality of fifth extending portions 233 engaged with the second grooves 321 are disposed on the inner wall of the engaging hole 232, and the fourth extending portions 32 are made of elastic material. Specifically, the fifth extension 233 is snapped into the second groove 321 to limit the relative rotation of the first link 23 and the second link 24, so as to fix the spreading angle of the first fork 21 and the second fork 22, when rotation is needed, an external force is applied to the first link 23 and the second link 24 to make the first link 23 and the second link 24 have a tendency to rotate around the elastic rotation pin 3, at this time, the fifth extension 233 presses the fourth extension 32, because the fourth extension 32 is made of an elastic material, the fourth extension 32 bends in the axial direction of the elastic rotation pin 3 under the pressing action of the fifth extension 233, the fifth extension 233 is screwed out of the second groove 321 and enters the next second groove 321, and by providing the fifth extension 233 and the second groove 321, the rotation of the first link 23 and the second link 24 is limited, so that the first fork 21 and the second fork 22 are prevented from rotating during support, the stability of support is destroyed, and the first fork 21 and the second fork 22 are not spread randomly after the device is closed, thereby facilitating transportation.

Referring to fig. 3 and 4, a sixth extension 31 is provided on the side of the elastic rotation pin 3 away from the end of the first link 23. Specifically, the sixth extension portion 31 prevents the elastic rotation pin 3 from being completely clamped into the through hole 242, so that the elastic rotation pin 3 is convenient to disassemble and assemble, and meanwhile, the sixth extension portion 31 close to the guide rod 25 is clamped into the guide groove 251, so that the joint of the first connecting rod 23 and the second connecting rod 24 slides along the guide groove 251, the first bifurcation 21 and the second bifurcation 22 are symmetrically distributed along the support column 2, and the support points of the device are distributed more uniformly and have better stability.

The specific structure of the supporting block 1 is described below:

referring to fig. 1, a plurality of first grooves 12 are formed at the proximal end of the supporting block 1, a first rotating shaft 121 is disposed in the first grooves 12, the distal end of the supporting column 2 is rotatably connected to the first rotating shaft 121, and the supporting column 2 is rotatably connected to the supporting block 1.

Referring to fig. 1, the groove surface at the distal end of the first groove 12 forms an included angle (not shown) with the horizontal direction and interferes with the rotation of the support column 2, so that the support column 2 cannot rotate from the vertical state to the distal end to the horizontal state, and in the supporting state, the proximal end of the seventh extension 213 is lower than the proximal end of the support block 1, and the support block 1 and the support column 2 are not in contact with the support surface (not shown) except for the seventh extension 213, thereby reducing unstable support caused by uneven support surface and enhancing the practicality of the device.

The specific structures of the first bifurcation 21, the second bifurcation 22, and the guide bar 25 are described below:

referring to fig. 3, a guide rod 25 is further disposed between the first branch 21 and the second branch 22 along the length direction of the support column 2 at the proximal end of the support column 2, a guide groove 251 is formed on the guide rod 25, and the connection part of the first link 23 and the second link 24 slides along the guide groove 251, so that the first branch 21 and the second branch 22 are symmetrically distributed along the support column 2, and the support points of the device are distributed more uniformly and have better stability.

Referring to fig. 3, a storage slot 211 is formed between the first fork 21 and the second fork 22 in opposite directions, a third extension portion 212 is disposed in the storage slot 211, and the two third extension portions 212 are respectively rotatably connected with the first fork 21 and the second fork 22. Specifically, after the first bifurcation 21 and the second bifurcation 22 are closed, the first connecting rod 23, the second connecting rod 24 and the guide rod 25 can be stored in the storage groove 211, so that the space occupied by the device is reduced, and the transportation cost is reduced.

Referring to fig. 1, a seventh extension 213 is disposed on a side of the end of the first branch 21 and the second branch 22 away from the supporting block 1, and the seventh extension 213 abuts against the ground after the supporting column 2 is unfolded distally. Specifically, the proximal end of the seventh extension 213 in the supporting state is lower than the proximal ends of the supporting block 1, the supporting column 2, the first bifurcation 21 and the second bifurcation 22, so that only the proximal end of the seventh extension 213 contacts the supporting surface in the supporting state, thereby reducing the unstable supporting caused by uneven supporting surface and enhancing the practicability of the device.

Referring to fig. 1 and 6, the ends of the first branch 21 and the second branch 22 are further provided with a lifting lug 21. Specifically, the lifting lug 214 is convenient for the fixed rope 4 to connect the supported component with the first bifurcation 21 and the second bifurcation 22, and increases the force for pulling the supported component towards the proximal end, so that the stability of support is enhanced, and after the first bifurcation 21, the second bifurcation 22 and the support column 2 are all folded together, the lifting lug 214 and the fixed rope 4 can be used for matching and winding and fastening, so that the simple operation can prevent the first bifurcation 21, the second bifurcation 22 and the support column 2 from being accidentally unfolded, and the device is convenient for storage and transportation. Furthermore, the connecting shackle 4 may be any flexible restraint, such as an iron chain (not shown), a rubber strip (not shown), or the like.

The specific working procedure of the utility model is as follows:

personnel rotate a plurality of support columns 2 to the distal end around first pivot 121, expand a plurality of support columns 2, remove supporting shoe 1 to supporting position, and place it on the holding surface, the pulling unscrews first fork 21, second fork 22, make the junction of first connecting rod 23, second connecting rod 24 rotatory and slide to supporting shoe 1 direction along the spout, and then make first fork 21, second fork 22 automatic along the length direction symmetry expansion of support column 2 under the exogenic action, connect wait to support part and fixing base 11 at last, use fixed rope 4 to connect wait to support part and a plurality of first fork 21, second fork 22, accomplish the installation. Releasing the fixing rope 4, separating the part to be supported from the fixing seat 11, pushing and folding the first bifurcation 21 and the second bifurcation 22, enabling the joint of the first connecting rod 23 and the second connecting rod 24 to rotate and slide along the sliding groove in the direction away from the supporting block 1, further enabling the first bifurcation 21 and the second bifurcation 22 to automatically close along the length direction of the supporting column 2 under the action of external force, rotating a plurality of supporting columns 2 towards the near end around the first rotating shaft 121, folding a plurality of supporting columns 2, and completing the disassembly.

Therefore, the end of the support column 2 far away from the support block 1 is rotatably provided with the first bifurcation 21 and the second bifurcation 22, the first rotating shaft 121 and the second rotating shaft 26 are arranged between the first bifurcation 21 and the second bifurcation 22, the first rotating shaft 121 and the second rotating shaft 26 are rotatably connected through the elastic rotating pin 3, when the support block 1 supports an object, the support point of the device can be increased by expanding the first bifurcation 21 and the second bifurcation 22, the stability of the device during support is greatly increased, and when the device is on irregular ground, the first bifurcation 21 and the second bifurcation 22 can be selected to be not expanded or partially expanded, interference with the irregular ground is prevented, and the support frame is simple to operate and high in practicability.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A folding bracket, characterized in that: including the supporting shoe, set up in the fixing base of the distal end of supporting shoe, rotationally set up in a plurality of support columns of the proximal end of supporting shoe, the support column keep away from the terminal of supporting shoe is rotatable simultaneously to be connected with first bifurcation, second bifurcation, first bifurcation is close to second bifurcation department swivelling joint has first connecting rod, second bifurcation is close to first bifurcation department swivelling joint has the second connecting rod, first connecting rod, second connecting rod keep away from the terminal swivelling joint of first bifurcation, second bifurcation, to the horizontal direction rotation support column, simultaneously the swivelling open first bifurcation, second bifurcation makes first bifurcation, second bifurcation become certain angle, the supporting shoe is supported subaerial.

2. A folding leg according to claim 1, wherein: the end of the first connecting rod, which is close to one end of the second connecting rod, is provided with a first extension part, the end of the second connecting rod, which is close to one end of the first connecting rod, is provided with two second extension parts, and the first extension parts are clamped between the two second extension parts.

3. A folding leg according to claim 2, wherein: the first extension part is provided with a clamping hole, the second extension part is correspondingly provided with a through hole, and the two elastic rotating pins are respectively clamped into the two ends of the clamping hole along the two through holes.

4. A folding leg according to claim 3, wherein: the elastic rotary pin is clamped into one end of the clamping hole, a plurality of fourth extending parts are arranged at one end of the clamping hole, a plurality of second grooves are respectively formed in the fourth extending parts, a plurality of fifth extending parts are arranged on the inner wall of the clamping hole and clamped into the second grooves, and the fourth extending parts are made of elastic materials.

5. A folding leg according to claim 4, wherein: the side of the elastic rotation pin, which is far away from the tail end of the first connecting rod, is provided with a sixth extension part.

6. A folding leg according to claim 1, wherein: the proximal end of the supporting block is provided with a plurality of first grooves, a first rotating shaft is arranged in each first groove, and the distal end of the supporting column is rotationally connected with the first rotating shaft.

7. A folding leg according to claim 6, wherein: the groove surface of the far end of the first groove forms an included angle with the horizontal direction and interferes with the rotation of the support column, so that the support column cannot rotate from the vertical state to the far end to the horizontal state.

8. A folding leg according to claim 1, wherein: the proximal end of the support column is further provided with a guide rod along the length direction of the support column and between the first bifurcation and the second bifurcation, a guide groove is formed in the guide rod, and the joint of the first connecting rod and the second connecting rod slides along the guide groove.

9. A folding leg according to claim 1, wherein: the object placing groove is formed between the first bifurcation and the second bifurcation in opposite directions, a third extension part is arranged in the object placing groove, and the two third extension parts are respectively connected with the first bifurcation and the second bifurcation in a rotating mode.

10. A folding leg according to claim 1, wherein: and the tail ends of the first bifurcation and the second bifurcation are also provided with lifting lugs.