Novel folding support frame

Abstract

The invention discloses a novel folding supporting frame and relates to the technical field of supporting frames, the novel folding supporting frame comprises a walking device, a telescopic device, steering devices and connecting rods, the telescopic device is detachably arranged at the supporting end of the walking device, and the multiple steering devices are detachably connected through the multiple connecting rods in sequence from top to bottom; the telescopic end of the telescopic device is detachably arranged at the connecting end of the steering device at the bottom, when the pressing cover is pressed, the connecting rod detachably connected with the steering device rotates bidirectionally, and when the pressing cover is loosened, the connecting rod detachably connected with the steering device rotates unidirectionally. According to the novel folding supporting frame, through cooperation of the steering device and the connecting rod, the novel folding supporting frame can be conveniently and rapidly rotated and folded by pressing the pressing cover, operation is easy, practicability is high, and operation steps are effectively saved.

Description

Technical Field

[0001] The invention relates to the technical field of support frames, and in particular to a novel folding support frame. Background Art

[0002] A support frame is a structure that supports the light source, such as a temporary support structure when constructing a building or a support structure that increases the height and angle of the light source. Common support frames can be designed and configured according to different needs, and are safe, reliable, simple and efficient.

[0003] The existing support frames are generally fixed and foldable. Due to the characteristics of the foldable support frames themselves, they are widely used by the public. However, this type of support frame still has some disadvantages. For example, when folding, it is generally necessary to first rotate the locking part to disengage the rotating end of the support frame, then rotate the rotating end, and finally reverse the locking part to lock it. This rotation method is cumbersome to operate and cannot be done in one step.

[0004] Therefore, in order to solve the above-mentioned technical problems, a new folding support frame that is easy to operate and portable is needed. Summary of the invention

[0005] The present invention aims to solve one of the technical problems in the above-mentioned technology at least to some extent.

[0006] To achieve the above-mentioned purpose, the first aspect of the present invention proposes a novel folding support frame, comprising: a walking device, a telescopic device, a steering device and a connecting rod, wherein the telescopic device is detachably arranged on the supporting end of the walking device; a plurality of the steering devices are detachably connected from top to bottom through a plurality of the connecting rods, and the telescopic end of the telescopic device is detachably arranged on the connecting end of the steering device at the bottom; the steering device comprises: a mounting tube, a main connecting shell, a main limiting ring, a secondary connecting shell, an elastic structure, a secondary limiting ring, a positioning structure, a pressing cover and a first limiting structure, wherein the mounting tube is respectively arranged on the outer wall of each of the main connecting shell and the secondary connecting shell; the main connecting shell is a shell having a first opening at both ends and being hollow inside; the main limiting ring is fixedly arranged at one of the first openings; the secondary connecting shell is a shell having a second opening and a third opening at both ends and being hollow inside; the secondary connecting shell is clamped in the interior of the main connecting shell and is away from the main limiting ring A second limiting structure is arranged in the second opening on one side; a plurality of elastic structures are respectively arranged on one end inside the auxiliary connecting shell; the auxiliary limiting ring slides in the auxiliary connecting shell and is located between the main limiting ring and the plurality of elastic structures, and main limiting teeth and auxiliary limiting teeth are respectively arranged on opposite sides of the main limiting ring and the auxiliary limiting ring, and are respectively meshed with each other; the positioning structure is attached to one side of the main limiting ring and locked with the second limiting structure; the pressing cover is movably arranged on one side of the main limiting ring, and the limiting end of the pressing cover passes through the main limiting ring and abuts against one side of the auxiliary limiting ring; the first limiting structure is detachably arranged on one end of the auxiliary connecting shell, and the limiting end of the first limiting structure is detachably connected to the second limiting structure; wherein, when the pressing cover is pressed, the connecting rod detachably connected to the steering device rotates in both directions; when the pressing cover is released, the connecting rod detachably connected to the steering device rotates in one direction.

[0007] In addition, the novel folding support frame proposed in the present invention may also have the following additional technical features:

[0008] Further, the walking device includes: a base, a support shell, a first support rod, a first load-bearing rod, a second support rod, a second load-bearing rod, a slide rod and a walking wheel, wherein fan-shaped holes are respectively mirrored on both sides of the top of the base; the two bases are respectively connected by mounting parts; the support shell is arranged on the base at the top, and the fixed end of the telescopic device is disassembled and arranged in the support shell through mounting parts; the two first support rods are respectively axially arranged on the opposite sides of the two bases and are respectively coaxial with the two fan-shaped holes; the two first load-bearing rods are respectively connected to the two first support rods; the second support rod is fixedly arranged on the opposite sides of the two bases and is located between the two first support rods; the second load-bearing rod is arranged on the second support rod; the two slide rods are respectively arranged on one end of the two first support rods, and the two ends of the two slide rods pass through the fan-shaped holes and extend respectively, and baffles are respectively arranged on the extended ends of the two slide rods, and are respectively abutted against the top and bottom of the two bases; the two ends of the second load-bearing rod and the other end of the two first load-bearing rods are respectively arranged with the walking wheels.

[0009] Furthermore, a rotation groove communicating with the inside is provided on the outer wall of the main connection shell, and a plurality of limit blocks are provided on the inner wall of the auxiliary connection shell.

[0010] Furthermore, the main limiting ring and the secondary limiting ring are respectively provided with a plurality of first limiting grooves and a plurality of second limiting grooves, and a plurality of first limiting plates are arranged on one side of the pressing cover, and the plurality of first limiting plates respectively pass through the plurality of first limiting grooves and abut against the secondary limiting ring, and the secondary limiting ring slides in the secondary connecting shell through the plurality of second limiting grooves and the plurality of limiting blocks.

[0011] Furthermore, a first limiting rod is also provided on the pressing cover and is coaxial with the first limiting plates respectively, and a first mounting hole is formed on one end of the first limiting rod.

[0012] Further, the second limiting structure includes: a mounting ring, a limiting shell and a second limiting rod, wherein the mounting ring is arranged at the second opening; a plurality of limiting shells are respectively arranged in a ring shape on one side of the mounting ring, and are respectively located in the auxiliary connecting shell; a second limiting rod is respectively arranged between every two of the limiting shells, and a second mounting hole is respectively opened on one end of the plurality of second limiting rods, and respectively passes through the mounting ring.

[0013] Furthermore, the elastic structure includes: a positioning column and a first spring, wherein a plurality of the positioning columns are respectively arranged in a ring shape at one end inside the auxiliary connecting shell and are respectively located on the outside of the mounting ring; a plurality of the first springs are respectively mounted on a plurality of the positioning columns, and two ends of the plurality of the first springs are respectively abutted against the auxiliary connecting shell and the auxiliary limiting ring.

[0014] Further, the positioning structure includes: a positioning ring, a positioning rod and a first locking part, wherein the positioning ring is attached to one side of the main limiting ring; a plurality of third limiting grooves distributed in a ring shape are provided on one end of the positioning rod, and a fourth limiting groove is provided between every two of the third limiting grooves, a second through hole is provided on the positioning rod, and is respectively coaxial with the plurality of third limiting grooves, and the first limiting rod extends into the second through hole; the other end of the positioning rod is arranged on one side of the positioning ring, and one end passes through the main limiting tooth and the auxiliary limiting tooth in sequence, and is sleeved on the plurality of limiting shells and the plurality of second limiting rods through the plurality of third limiting grooves and the plurality of fourth limiting grooves; the plurality of the first locking parts are respectively locked in the plurality of fourth limiting grooves and the plurality of the second mounting holes.

[0015] Further, the positioning structure includes: a positioning ring, a positioning rod and a first locking part, wherein the positioning ring is attached to one side of the main limiting ring; a plurality of third limiting grooves distributed in a ring shape are provided on one end of the positioning rod, and a fourth limiting groove is provided between every two of the third limiting grooves, and a second through hole is provided on the positioning rod, and is coaxial with the plurality of third limiting grooves respectively; the other end of the positioning rod is arranged on one side of the positioning ring, and one end passes through the main limiting tooth and the auxiliary limiting tooth in sequence, and is sleeved on the plurality of limiting shells and the plurality of second limiting rods through the plurality of third limiting grooves and the plurality of fourth limiting grooves; the plurality of the first locking parts are respectively locked in the plurality of fourth limiting grooves and the plurality of the second mounting holes.

[0016] According to a novel folding support frame of the present invention, by setting the cooperation between the steering device and the connecting rod, it is convenient to quickly rotate and fold it by pressing the pressing cover, and the operation is simple, practical, and the operation steps are effectively saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0018] Figure 1 is a schematic diagram of an unfolded three-dimensional structure of a novel folding support frame according to an embodiment of the present invention;

[0019] Figure 2 is a schematic diagram of the folding of a three-dimensional structure of a novel folding support frame according to an embodiment of the present invention;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of a walking device of a novel folding support frame according to one embodiment of the present invention;

[0021] Figure 4 is a schematic diagram of the three-dimensional structure of a steering device of a novel folding support frame according to one embodiment of the present invention;

[0022] Figure 5 is a schematic diagram of a three-dimensional structure explosion of a steering device of a novel folding support frame according to an embodiment of the present invention;

[0023] Figure 6 A novel folding support frame according to an embodiment of the present invention Figure 5 An enlarged structural schematic diagram of a local A;

[0024] Figure 7 is a schematic diagram of a three-dimensional structure explosion of a steering device of another novel folding support frame according to an embodiment of the present invention;

[0025] As shown in the figure:

[0026] 1. Walking device; 11. Base; 111. Fan-shaped hole; 12. Support shell; 13. First support rod; 14. First load-bearing rod; 15. Second support rod; 16. Second load-bearing rod; 17. Sliding rod; 171. Baffle; 18. Walking wheel; 2. Telescopic device; 3. Steering device; 31. Mounting pipe; 32. Main connecting shell; 321. First opening; 322. Rotating groove; 33. Main limiting ring; 331. Main limiting tooth; 332. First limiting groove; 34. Second connecting shell; 341. Second opening; 342. Third opening; 343. Second limiting structure; 3431. Mounting ring; 3432. Limiting shell; 3433. Second limiting rod; 34331. Second mounting hole; 344. Limit block; 35. Elastic structure; 351. Positioning column; 352. First spring; 36. Secondary limit ring; 361. Secondary limit tooth; 362. Secondary limit groove; 37. Positioning structure; 371. Positioning ring; 372. Positioning rod; 3721. Third limit groove; 3722. Fourth limit groove; 3723. Second through hole; 373. First locking part; 38. Press cover; 381. First limit plate; 382. First limit rod; 3821. First mounting hole; 39. First limit structure; 391. Second limit plate; 3911. Third through hole; 3912. Third mounting hole; 392. Second spring; 393. Second locking part; 394. Third locking part; 4. Connecting rod. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0028] A novel folding support frame according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0029] like Figure 1 and Figure 2 As shown, a new type of folding support frame according to an embodiment of the present invention may include a walking device 1, a telescopic device 2, a steering device 3 and a connecting rod 4.

[0030] Among them, the telescopic device 2 is disassembled and set on the supporting end of the walking device 1, and multiple steering devices 3 are disassembled and connected from top to bottom in sequence through multiple connecting rods 4, and the telescopic end of the telescopic device 2 is disassembled and set on the connecting end of the steering device 3 at the bottom.

[0031] like Figure 3 As shown, in one embodiment of the present invention, the walking device 1 includes: a base 11, a supporting shell 12, a first support rod 13, a first load-bearing rod 14, a second support rod 15, a second load-bearing rod 16, a sliding rod 17 and a walking wheel 18.

[0032] Among them, fan-shaped holes 111 are respectively mirrored on both sides of the top of the base 11, the two bases 11 are respectively connected by mounting parts, the support shell 12 is arranged on the top base 11, and the fixed end of the telescopic device 2 is disassembled and arranged in the support shell 12 by mounting parts, the two first support rods 13 are respectively axially arranged on the opposite sides of the two bases 11, and are respectively coaxial with the two fan-shaped holes 111, the two first load-bearing rods 14 are respectively connected to the two first support rods 13, the second support rod 15 is fixedly arranged on the opposite sides of the two bases 11 and is located between the two first support rods 13, the second load-bearing rod 16 is arranged on the second support rod 15, the two sliding rods 17 are respectively arranged on one end of the two first support rods 13, and the two ends of the two sliding rods 17 respectively pass through the fan-shaped holes 111 and extend, the extended ends of the two sliding rods 17 are respectively provided with baffles 171, and are respectively abutted against the top and bottom of the two bases 11, and the two ends of the second load-bearing rod 16 and the other end of the two first load-bearing rods 14 are respectively provided with walking wheels 18.

[0033] It should be noted that the diameter of the baffle 171 is greater than the width of the fan-shaped hole 111 , so that the slide bar 17 can be limited by the baffle 171 , thereby limiting the first support bar 13 .

[0034] As a possible situation, according to another embodiment of the present invention, the second support rod 15 can be replaced by a telescopic rod, which effectively increases the distance between the walking wheel 18 and the base 11, thereby preventing the new folding support frame of the embodiment of the present invention from tipping over.

[0035] like Figures 4 to 7 As shown, in one embodiment of the present invention, the steering device 3 includes: a mounting tube 31, a main connecting shell 32, a main limiting ring 33, a secondary connecting shell 34, an elastic structure 35, a secondary limiting ring 36, a positioning structure 37, a pressing cover 38 and a first limiting structure 39.

[0036] Among them, a mounting tube 31 is respectively arranged on the outer wall of each main connecting shell 32 and the auxiliary connecting shell 34, the main connecting shell 32 is a shell with a first opening 321 at both ends and a hollow interior, the main limiting ring 33 is fixedly arranged at one of the first openings 321, the auxiliary connecting shell 34 is a shell with a second opening 341 and a third opening 342 at both ends and a hollow interior, the auxiliary connecting shell 34 is engaged in the interior of the main connecting shell 32, and a second limiting structure 343 is arranged in the second opening 341 away from the side of the main limiting ring 33, a plurality of elastic structures 35 are respectively arranged on one end of the auxiliary connecting shell 34, the auxiliary limiting ring 36 slides in the auxiliary connecting shell 34, and is located between the main limiting ring 33 and the plurality of elastic structures 35, and the main limiting ring 3 A main limiting tooth 331 and a secondary limiting tooth 361 are respectively provided on opposite sides of the main limiting ring 33 and the secondary limiting ring 36, and are respectively meshed with each other. The positioning structure 37 is fitted on one side of the main limiting ring 33 and locked with the second limiting structure 343. The pressing cover 38 is movably arranged on one side of the main limiting ring 33, and the limiting end of the pressing cover 38 passes through the main limiting ring 33 and abuts against one side of the secondary limiting ring 36. The first limiting structure 39 is detachably arranged on one end of the secondary connecting shell 34, and the limiting end of the first limiting structure 39 is detachably connected to the second limiting structure 343, wherein when the pressing cover 38 is pressed, the connecting rod 4 detachably connected to the steering device 3 rotates in both directions, and when the pressing cover 38 is released, the connecting rod 4 detachably connected to the steering device 3 rotates in one direction.

[0037] like Figure 5 and Figure 7 As shown, it should be noted that a rotating groove 322 connected to the inside is opened on the outer wall of the main connecting shell 32, and a plurality of limit blocks 344 are provided on the inner wall of the auxiliary connecting shell 34. On the one hand, it is convenient for relevant staff to snap the auxiliary connecting shell 34 into the main connecting shell 32 during assembly, and on the other hand, it is convenient to limit the auxiliary limit ring 36 through the limit block 344 to prevent it from rotating.

[0038] like Figure 5 and Figure 7As shown, it should be noted that a plurality of first limit grooves 332 and a plurality of second limit grooves 362 are respectively provided on the main limit ring 33 and the auxiliary limit ring 36, and a plurality of first limit plates 381 are provided on one side of the pressing cover 38, and the plurality of first limit plates 381 respectively pass through the plurality of first limit grooves 332 and abut against the auxiliary limit ring 36, and the auxiliary limit ring 36 slides in the auxiliary connecting shell 34 through the plurality of second limit grooves 362 and the plurality of limit blocks 344. On the one hand, it is convenient for the pressing cover 38 to drive the auxiliary limit ring 36 to move, and on the other hand, it is convenient to limit the auxiliary limit ring 36 through the limit blocks 344 to prevent it from rotating.

[0039] Preferably, a bending plate (not shown in the figure) is respectively provided on the ends of the plurality of first limiting plates 381 to prevent the first limiting plates 381 from being separated from the first limiting grooves 332 , thereby causing the pressing cover 38 to be separated from the steering device 3 .

[0040] like Figure 7 As shown, it should be noted that a first limiting rod 382 is also provided on the pressing cover 38, and is coaxial with the plurality of first limiting plates 381 respectively, and a first mounting hole 3821 is provided on one end of the first limiting rod 382, ​​so as to limit the pressing cover 38 by the first limiting rod 382 to prevent itself from shaking.

[0041] like Figure 6 As shown, to clearly illustrate the previous embodiment, in one embodiment of the present invention, the second limiting structure 343 includes: a mounting ring 3431 , a limiting shell 3432 and a second limiting rod 3433 .

[0042] Among them, the mounting ring 3431 is arranged at the second opening 341, and multiple limiting shells 3432 are respectively arranged in a ring shape on one side of the mounting ring 3431 and are respectively located in the auxiliary connecting shell 34, and a second limiting rod 3433 is respectively arranged between every two limiting shells 3432, and a second mounting hole 34331 is respectively opened on one end of the multiple second limiting rods 3433, and respectively penetrates the mounting ring 3431.

[0043] like Figure 6 As shown, in one embodiment of the present invention, the elastic structure 35 includes: a positioning column 351 and a first spring 352 .

[0044] Among them, multiple positioning columns 351 are respectively arranged at one end inside the auxiliary connecting shell 34 in a ring shape and are respectively located on the outside of the mounting ring 3431. Multiple first springs 352 are respectively mounted on the multiple positioning columns 351, and the two ends of the multiple first springs 352 are respectively abutted against the auxiliary connecting shell 34 and the auxiliary limiting ring 36.

[0045] like Figure 5 and Figure 7As shown, in one embodiment of the present invention, the positioning structure 37 includes: a positioning ring 371 , a positioning rod 372 and a first locking part 373 .

[0046] Among them, the positioning ring 371 is attached to one side of the main limiting ring 33, a plurality of third limiting grooves 3721 distributed in an annular shape are provided on one end of the positioning rod 372, and a fourth limiting groove 3722 is provided between every two third limiting grooves 3721, a second through hole 3723 is provided on the positioning rod 372, and is respectively coaxial with the plurality of third limiting grooves 3721, and the first limiting rod 382 extends into the second through hole 3723, the other end of the positioning rod 372 is arranged on one side of the positioning ring 371, one end passes through the main limiting tooth 331 and the auxiliary limiting tooth 361 in sequence, and is sleeved on the plurality of limiting shells 3432 and the plurality of second limiting rods 3433 through the plurality of third limiting grooves 3721 and the plurality of fourth limiting grooves 3722, and the plurality of first locking parts 373 are respectively locked in the plurality of fourth limiting grooves 3722 and the plurality of second mounting holes 34331.

[0047] like Figure 5 and Figure 6

[0048] As shown, in one embodiment of the present invention, the first limiting structure 39 includes: a second limiting plate 391 , a second spring 392 , a second locking part 393 and a third locking part 394 .

[0049] Among them, the second limiting plate 391 is attached to one end of the secondary connecting shell 34, and the second limiting plate 391 is provided with a third through hole 3911 and a plurality of third mounting holes 3912, the third through hole 3911 and the plurality of third mounting holes 3912 are respectively coaxial with the second through hole 3723 and the plurality of second mounting holes 34331, the second spring 392 is arranged on one end of the positioning rod 372, the second locking part 393 is installed in the third through hole 3911 and the second through hole 3723, and the locking end of the second locking part 393 passes through the second spring 392, and the plurality of third locking parts 394 are respectively installed in the plurality of third mounting holes 3912 and the plurality of second mounting holes 34331.

[0050] Specifically, when the relevant staff needs to fold a new type of folding support frame according to an embodiment of the present invention, first, press the pressing cover 38, thereby driving the multiple first limit plates 381 to move along the multiple first limit grooves 332 respectively, thereby driving the auxiliary limit ring 36 to move along the auxiliary connecting shell 34, and then driving the multiple first springs 352 to be compressed. At the same time, the auxiliary limit ring 36 drives the auxiliary limit teeth 361 to gradually disengage from the main limit teeth 331, and the first limit rod 382 slides along the second through hole 3723. Secondly, the connecting rod 4 connected to the mounting tube 31 can be rotated to fold the new type of folding support frame according to an embodiment of the present invention.

[0051] When the walking device 1 needs to be folded, the two first load-bearing rods 14 are simply rotated. At this time, the two first load-bearing rods 14 respectively drive the two first support rods 13 to rotate. At the same time, the two first load-bearing rods 14 respectively drive the sliding rods 17 connected thereto to slide along the two fan-shaped holes 111 respectively, and the two first load-bearing rods 14 respectively drive the walking wheels 18 connected thereto to rotate. At this point, the folding work of the walking device 1 is completed.

[0052] In summary, according to a new type of folding support frame of an embodiment of the present invention, by setting the cooperation between the steering device 3 and the connecting rod 4, it is convenient to quickly rotate and fold it by pressing the pressing cover 38, and the operation is simple, practical, and the operation steps are effectively saved.

[0053] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0054] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0055] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A new type of folding support frame, characterized in that: include: A walking device (1), a telescopic device (2), a steering device (3) and a connecting rod (4), wherein: The telescopic device (2) is detachably mounted on the supporting end of the walking device (1); The plurality of steering devices (3) are disassembled and connected in sequence from top to bottom through the plurality of connecting rods (4), and the telescopic end of the telescopic device (2) is disassembled and arranged on the connecting end of the steering device (3) at the bottom; The steering device (3) comprises: a mounting tube (31), a main connecting shell (32), a main limiting ring (33), a secondary connecting shell (34), an elastic structure (35), a secondary limiting ring (36), a positioning structure (37), a pressing cover (38) and a first limiting structure (39), wherein: The mounting tube (31) is respectively arranged on the outer wall of each of the main connection shell (32) and the auxiliary connection shell (34); The main connection shell (32) is a shell having first openings (321) at both ends and a hollow interior; The main limiting ring (33) is fixedly arranged at one of the first openings (321); The secondary connection shell (34) is a shell having a second opening (341) and a third opening (342) respectively formed at two ends and being hollow inside; The auxiliary connection shell (34) is engaged with the interior of the main connection shell (32), and a second limiting structure (343) is provided in the second opening (341) on a side away from the main limiting ring (33); The plurality of elastic structures (35) are respectively arranged on one end inside the secondary connection shell (34); The auxiliary limiting ring (36) slides in the auxiliary connecting shell (34) and is located between the main limiting ring (33) and the plurality of elastic structures (35), and main limiting teeth (331) and auxiliary limiting teeth (361) are respectively provided on opposite sides of the main limiting ring (33) and the auxiliary limiting ring (36), and are respectively meshed with each other; The positioning structure (37) is attached to one side of the main limiting ring (33) and is locked with the second limiting structure (343); The pressing cover (38) is movably arranged on one side of the main limiting ring (33), and the limiting end of the pressing cover (38) passes through the main limiting ring (33) and abuts against one side of the auxiliary limiting ring (36); The first limiting structure (39) is detachably arranged on one end of the auxiliary connecting shell (34), and the limiting end of the first limiting structure (39) is detachably connected to the second limiting structure (343); When the pressing cover (38) is pressed, the connecting rod (4) which is disassembled and connected to the steering device (3) rotates bidirectionally; when the pressing cover (38) is released, the connecting rod (4) which is disassembled and connected to the steering device (3) rotates unidirectionally.

2. A new type of folding support frame according to claim 1, characterized in that: The walking device (1) comprises: a base (11), a supporting shell (12), a first supporting rod (13), a first load-bearing rod (14), a second supporting rod (15), a second load-bearing rod (16), a sliding rod (17) and a walking wheel (18), wherein: The top of the base (11) is mirror-imaged with fan-shaped holes (111) on both sides thereof; The two bases (11) are connected via mounting parts respectively; The support shell (12) is arranged on the base (11) at the top, and the fixed end of the telescopic device (2) is disassembled and arranged in the support shell (12) by installing parts; The two first support rods (13) are axially connected on opposite sides of the two bases (11) and are coaxial with the two fan-shaped holes (111). The two first load-bearing rods (14) are respectively connected to the two first support rods (13); The second support rod (15) is fixedly arranged on opposite sides of the two bases (11) and is located between the two first support rods (13); The second load-bearing rod (16) is arranged on the second support rod (15); The two slide bars (17) are respectively arranged on one end of the two first support bars (13), and the two ends of the two slide bars (17) respectively pass through the fan-shaped holes (111) and extend, and baffles (171) are respectively arranged on the extended ends of the two slide bars (17) and respectively abut against the top and bottom of the two bases (11); The two ends of the second load-bearing rod (16) and the other ends of the two first load-bearing rods (14) are respectively provided with the walking wheels (18).

3. A novel folding support frame according to claim 1, characterized in that: A rotation groove (322) communicating with the inside is provided on the outer wall of the main connection shell (32), and a plurality of limit blocks (344) are provided on the inner wall of the auxiliary connection shell (34).

4. A new type of folding support frame according to claim 3, characterized in that: The main limiting ring (33) and the auxiliary limiting ring (36) are respectively provided with a plurality of first limiting grooves (332) and a plurality of second limiting grooves (362), and a plurality of first limiting plates (381) are provided on one side of the pressing cover (38), and the plurality of first limiting plates (381) respectively pass through the plurality of first limiting grooves (332) and abut against the auxiliary limiting ring (36), and the auxiliary limiting ring (36) slides in the auxiliary connecting shell (34) through the plurality of second limiting grooves (362) and the plurality of limiting blocks (344).

5. A new type of folding support frame according to claim 4, characterized in that: The pressing cover (38) is also provided with a first limiting rod (382) which is coaxial with the plurality of first limiting plates (381) respectively, and a first mounting hole (3821) is provided on one end of the first limiting rod (382).

6. A new type of folding support frame according to claim 5, characterized in that: The second limiting structure (343) comprises: a mounting ring (3431), a limiting shell (3432) and a second limiting rod (3433), wherein: The mounting ring (3431) is arranged at the second opening (341); The plurality of limiting shells (3432) are respectively arranged in a ring shape on one side of the mounting ring (3431), and are respectively located in the auxiliary connecting shell (34); The second limiting rod (3433) is respectively arranged between every two of the limiting shells (3432), and a second mounting hole (34331) is respectively opened on one end of a plurality of the second limiting rods (3433) and respectively penetrates the mounting ring (3431).

7. A new type of folding support frame according to claim 6, characterized in that: The elastic structure (35) comprises: a positioning column (351) and a first spring (352), wherein: The plurality of positioning posts (351) are respectively arranged in annular shapes at intervals on one end of the interior of the auxiliary connection shell (34), and are respectively located on the outside of the mounting ring (3431); The plurality of first springs (352) are respectively sleeved on the plurality of positioning posts (351), and the two ends of the plurality of first springs (352) are respectively in contact with the auxiliary connecting shell (34) and the auxiliary limiting ring (36).

8. A novel folding support frame according to claim 7, characterized in that: The positioning structure (37) comprises: a positioning ring (371), a positioning rod (372) and a first locking part (373), wherein: The positioning ring (371) is attached to one side of the main limiting ring (33); A plurality of third limiting grooves (3721) distributed in an annular shape are provided on one end of the positioning rod (372), and a fourth limiting groove (3722) is provided between every two of the third limiting grooves (3721), a second through hole (3723) is provided on the positioning rod (372) and is coaxial with the plurality of third limiting grooves (3721), and the first limiting rod (382) extends into the second through hole (3723); The other end of the positioning rod (372) is arranged on one side of the positioning ring (371), and one end passes through the main limiting tooth (331) and the auxiliary limiting tooth (361) in sequence, and is sleeved on the plurality of limiting shells (3432) and the plurality of second limiting rods (3433) through the plurality of third limiting grooves (3721) and the plurality of fourth limiting grooves (3722); The plurality of first locking parts (373) are respectively locked in the plurality of fourth limiting grooves (3722) and the plurality of second mounting holes (34331).

9. A novel folding support frame according to claim 8, characterized in that: The first limiting structure (39) comprises: a second limiting plate (391), a second spring (392), a second locking part (393) and a third locking part (394), wherein: The second limiting plate (391) is attached to one end of the secondary connecting shell (34), and a third through hole (3911) and a plurality of third mounting holes (3912) are provided on the second limiting plate (391), and the third through hole (3911) and the plurality of third mounting holes (3912) are coaxial with the second through hole (3723) and the plurality of second mounting holes (34331), respectively; The second spring (392) is arranged on one end of the positioning rod (372); The second locking part (393) is installed in the third through hole (3911) and the second through hole (3723), and the locking end of the second locking part (393) passes through the second spring (392); The plurality of third locking parts (394) are respectively installed in the plurality of third mounting holes (3912) and the plurality of second mounting holes (34331).

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