Novel folding frame

Abstract

The utility model discloses a novel folding frame which comprises supporting legs, a supporting frame and a folding frame. The folding frame comprises a handle and a supporting pipe, and the handle, the supporting pipe, the supporting legs and the supporting frame are in linkage connection through hinges to jointly form a foldable mechanism. The handle comprises a folding rod and a locking mechanism, the locking mechanism comprises a locking rod, one end of the locking rod is rotationally connected to the supporting pipe through a rotating shaft, the other end of the locking rod is connected with a rotating block, and an inserting block with an inserting groove is arranged in the middle of the locking rod; the locking piece comprises a movable block which is arranged in a telescopic mode, and the movable block is contained in the rotating groove of the rotating block; when the folding frame is unfolded, the movable block is inserted into the inserting groove of the inserting block to limit rotation of the folding rod relative to the locking rod, and therefore the unfolding state of the whole structure is maintained. The folding frame can be unlocked only by operating the pushing block and the locking block with one hand, folding of the folding frame can be completed after the folding rod is lifted, and the use experience of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pet product technical field, concretely relates to a novel folding stand. BACKGROUND

[0002] In order to solve the problem of pet bathing, pet bathing stand as an innovative solution emerges as the times require, it can be elevated through ingenious design, so that the owner or pet shop staff when bathing pet, do not need to bend over operation again, can reduce physical strength while preventing waist disease. In order to reduce the space occupied by the shelf when not in use, pet bathing stand is usually designed to be folded and stored.

[0003] However, due to the design of pet bathing stand needs to consider the characteristics of foldable, which often leads to insufficient structural stability, may appear shaking or unstable during use. In addition, the pet bathing stand products on the market are not very convenient to use, they may need complex assembly process, or not smooth enough when folding and unfolding, bring inconvenience to the user. Not only that, the function of these pet bathing stands is usually single, lack of innovation and diversity, can not meet the growing diversification needs of people. SUMMARY

[0004] In view of the problems existing in the prior art, the utility model provides a folding stand, and the technical problems to be solved by the utility model are: how to ensure that the folding stand is stable when unfolded, avoid shaking, and facilitate folding and storage.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A novel folding stand, including support leg, support frame and folding frame;

[0007] The folding frame includes handle and support pipe, the handle, support pipe, support leg and support frame are connected through hinge linkage, and jointly constitute foldable mechanism;

[0008] The handle includes folding rod and locking mechanism, and the locking mechanism includes:

[0009] Locking rod, one end is rotatably connected to support pipe through pivot, the other end is connected with rotating block, and the middle part is provided with plug-in block with slot;And

[0010] Locking piece, including the movable block that can be telescopic, the movable block is contained in the rotating groove of rotating block;

[0011] Wherein, when the folding frame is unfolded, the movable block is inserted into the slot of plug-in block, the rotation of folding rod relative to locking rod is limited, so as to maintain the unfolded state of the overall structure.

[0012] Preferably, the support legs comprise a first support leg and a second support leg;

[0013] The support frame assembly comprises a first support frame, a second support frame and a connecting block, wherein the first support frame and the second support frame are symmetrically connected to the two sides of the connecting block through a rotating shaft;

[0014] The handle, the support tube, the first support leg, the second support leg, the first support frame, the second support frame and the connecting block are connected through a hinge to jointly form a linkage foldable mechanism.

[0015] Preferably, the connecting block is provided with a connecting surface, and the end portions of the first support frame and the second support frame and the end portions of the first support leg and the second support leg are respectively connected to the connecting surface through a rotating shaft.

[0016] The bottom of the connecting block is further provided with a limiting block for limiting the unfolding angle between the first support leg and the second support leg.

[0017] Preferably, the first support frame is provided with a connecting piece, and the support tube is composed of a support upper tube and a support lower tube, wherein the end portion of the locking rod is rotatably connected to one end of the locking rod, the other end of the locking rod is connected to one end of the support lower tube, the other end of the support lower tube is connected to one end of the support upper tube, the other end of the support upper tube is connected to the connecting piece, the middle portion of the locking rod is rotatably connected to the second support frame, the middle portion of the locking rod is rotatably connected to the second support leg, the middle portion of the support lower tube is rotatably connected to the first support leg, and they jointly form a linkage foldable mechanism.

[0018] Preferably, the rotating block is provided with a first elastic component for driving the movable block to extend, and the locking member comprises a fixed shell, a locking block and a steel wire rope, the locking block is movably connected below the fixed shell, one end of the steel wire rope is fixedly connected to the locking block, and the other end of the steel wire rope is arranged in the folding rod and connected to the movable block.

[0019] When the locking block is pressed to move, the locking block drives the steel wire rope to pull the movable block out of the rotating groove, so as to release the rotation restriction between the folding rod and the locking rod.

[0020] Preferably, the locking member further comprises a push block slidably arranged on the fixed shell, the push block moves on the fixed shell between a locking position and an unlocking position, the fixed shell is provided with a second elastic component for driving the push block to the locking position, the push block is oppositely arranged with the locking block and the bottom thereof is provided with a push rod, and the locking block is provided with a locking groove matched with the push rod.

[0021] When the push block is at the locking position, the push rod abuts against the inner side of the locking block to limit the movement of the locking block; when the push block is at the unlocking position, the push rod is aligned with the locking groove to release the restriction.

[0022] Preferably, the pushing rod is provided with a guide portion, and an inner wall of the locking groove is provided with a first guide inclined surface matched with the guide portion; when the pushing block moves to the unlocking position, the guide portion abuts against the first guide inclined surface and pushes the locking block out.

[0023] Preferably, each support leg comprises a support rod, a connecting rod and a connecting piece,

[0024] The connecting piece is provided with a connecting groove and a sliding groove, the upper end of the support rod is slidingly inserted into the sliding groove, and the lower end of the connecting rod is fixedly inserted into the connecting groove.

[0025] The connecting piece is provided with a locking mechanism for limiting the sliding of the support rod, and the locking mechanism keeps the extension length of the support rod relative to the connecting rod by limiting the sliding of the support rod.

[0026] Preferably, the support rod is provided with a plurality of locking holes spaced apart in the axial direction, the locking mechanism comprises a locking column arranged in the connecting piece and capable of extending into the sliding groove, the locking column is provided with a locking pin capable of extending into the sliding groove, the connecting piece is provided with a third elastic component for driving the locking column to be retracted, the locking column is provided with a fourth elastic component for driving the locking pin to extend, and the support rod is limited to be retracted relative to the connecting piece when the locking pin is inserted into the locking hole.

[0027] The connecting piece is provided with a cross rod rotationally connected thereto, one end of the locking column close to the cross rod is provided with a guide groove, the groove bottom of the guide groove is formed with alternately distributed deep position areas and shallow position areas, the transition position between the deep position areas and the shallow position areas is provided with a second guide inclined surface, the cross rod is provided with a cam portion matched with the second guide inclined surface, and the cam portion is alternately positioned with the deep position areas and the shallow position areas with the rotation of the cross rod.

[0028] One end of the locking pin close to the support rod is provided with a third guide inclined surface, when the cam portion is positioned with the shallow position area, the cam portion pushes out the locking column against the elastic force of the third elastic component, and when the third guide inclined surface is forced, the locking column is driven to be retracted against the elastic force of the fourth elastic component.

[0029] Preferably, the locking rod and the locking rod rotationally connected portion are further hingedly connected with a chassis, the chassis comprises an upper U-shaped bottom pipe and a lower U-shaped bottom pipe, the upper U-shaped bottom pipe has an end hingedly connected to the locking rod and the locking rod rotationally connected portion, the lower U-shaped bottom pipe has an end hingedly connected to the locking rod, the locking rod and the upper U-shaped bottom pipe, the support leg is provided with a cross pipe for supporting the chassis, the cross pipe comprises a first cross pipe corresponding to the upper U-shaped bottom pipe and a second cross pipe corresponding to the lower U-shaped bottom pipe, and when the support leg is folded, the cross pipe drives the chassis to be folded.

[0030] The utility model discloses the beneficial effect:

[0031] 1、The first support leg, the second support leg and the folding frame jointly constitute support for the support frame, greatly improve the stability of the folding frame, effectively ensure the stability of the folding frame when unfolded, avoid shaking, the first support frame and the second support frame are respectively rotated in the horizontal direction of the connecting block, so that the first support frame, the second support frame and the connecting block are in the same plane, the first support leg and the second support leg are respectively opened, and the folding frame is rotated in the direction of the support frame, so that the unfolding of the folding frame is completed, which is simple and convenient.

[0032] 2、When the folding frame is folded, only one hand is needed to operate the pushing block and the locking block, the folding frame is unlocked, the folding rod is lifted, and the folding of the folding frame is completed, which is simple and convenient, greatly improves the folding of the folding frame, and improves the user experience.

[0033] 3、When the support leg is folded, the horizontal pipe drives the chassis to fold, and the chassis can simultaneously lift or assist in folding the pet bath basin and the baby basket placed therein. DETAILED DESCRIPTION

[0034] Figure 1 It is a structural schematic view of the folding frame when unfolded;

[0035] Figure 2 It is a structural schematic view of the folding frame when folded;

[0036] Figure 3 It is an explosion view of the support frame;

[0037] Figure 4 It is an explosion view of the first support leg;

[0038] Figure 5 It is an explosion view of the second support leg;

[0039] Figure 6 It is an explosion view of the connecting piece;

[0040] Figure 7 It is a sectional view of the connecting piece;

[0041] Figure 8 It is an explosion view of the horizontal rod and the connecting piece;

[0042] Figure 9 It is a structural schematic view of the folding frame;

[0043] Figure 10 It is an explosion view of the folding frame;

[0044] Figure 11 It is another explosion view of the folding frame;

[0045] Figure 12 It is an explosion view of the locking piece;

[0046] Figure 13A sectional view of the locking member;

[0047] Figure 14 Another schematic view of the unfolded structure of the folding frame.

[0048] In the figure, 1, support leg; 2, first support leg; 3, second support leg; 4, support frame; 5, first support frame; 6, second support frame; 7, connecting block; 8, folding frame; 9, connecting surface; 10, limiting block; 11, connecting piece; 12, first support rod; 13, first connecting rod; 14, connecting member; 15, connecting groove; 16, sliding groove; 17, second elastic assembly; 19, locking hole; 20, locking column; 21, bolt; 201, guide groove; 202, cam portion; 203, deep position area; 204, shallow position area; 205, second guide inclined surface; 206, third guide inclined surface; 23, second support rod; 24, second connecting rod; 25, first cross rod; 26, second cross rod; 27, folding rod; 28, locking mechanism; 29, locking rod; 30, locking member; 31, insertion block; 311, insertion groove; 32, rotating block; 33, rotating groove; 34, fixed shell; 35, pushing block; 36, locking block; 37, steel wire rope; 38, movable block; 39, through groove; 40, pushing rod; 401, guide portion; 41, locking groove; 411, first guide inclined surface; 42, base frame; 421, upper U-shaped bottom pipe; 422, lower U-shaped bottom pipe; 423, first cross pipe; 424, second cross pipe; 81, handle; 82, support pipe; 821, support upper pipe; 822, support lower pipe. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0050] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0051] Due to the design of pet shower frame needs to consider the folding characteristics, often leading to its structural stability, there may be shaking or unstable situation in the process of use. In addition, the current market pet shower frame products are not very convenient to use, they may need a complex assembly process, or when folding and unfolding is not smooth, bring inconvenience to the user. Not only that, the function of these pet shower frame is usually single, lack of innovation and diversity, can not meet the growing demand for diversity. In view of this, the utility model aims to provide a new type of folding frame, ensure the pet shower frame when unfolding stable, avoid shaking, and folding storage.

[0052] As Figure 1 and 2 shown, the new folding frame includes support leg 1, support frame 4 and folding frame 8, the support leg 1 includes the first support leg 2 and the second support leg 3, the support frame 4 includes the first support frame 5, the second support frame 6 and the connecting block 7, the first support frame 5 and the second support frame 6 are respectively rotatably connected to the two ends of the connecting block 7, the end of the first support leg 2 and the end of the second support leg 3 are respectively rotatably connected to the connecting block 7,

[0053] The folding frame 8 includes handle 81 and support tube 82, the end of handle 81 is rotatably connected to one end of support tube 82, the other end of support tube 82 is rotatably connected to the first support frame 5, handle 81 and support tube 82 can be folded and unfolded, support tube 82 is rotatably connected to the first support leg 2 and the first support frame 5 respectively, handle 81 is rotatably connected to the second support leg 3 and the second support frame 6 respectively, which together constitute a folding mechanism.

[0054] In the folding frame, the first support frame 5 and the second support frame 6 are respectively rotatably connected to the two ends of the connecting block 7, the end of the first support leg 2 and the end of the second support leg 3 are respectively rotatably connected to the connecting block 7, the end of handle 81 is rotatably connected to one end of support tube 82, the other end of support tube 82 is rotatably connected to the first support frame 5, the folding frame 8 can be folded and unfolded and is rotatably connected to the first support leg 2, the second support leg 3, the first support frame 5 and the second support frame 6 respectively, when the new folding frame is unfolded and used, only the first support frame 5 and the second support frame 6 are respectively rotated horizontally to the connecting block 7, so that the first support frame 5, the second support frame 6 and the connecting block 7 are in the same plane, the first support leg 2 and the second support leg 3 are respectively opened, the folding frame 8 is rotated to the support frame 4 direction, which can complete the unfolding of the folding frame, simple and convenient. And, because the first support leg 2, the second support leg 3 and the folding frame 8 together constitute the support of the support frame 4, greatly improve the stability of the folding frame, effectively ensure the stability of the folding frame when unfolding, avoid shaking.

[0055] As an embodiment, the support frame 4 can be detachably connected or directly placed with a pet bath, a baby basket, a baby bed or a dining table board, etc. for use, realizing the use function diversity of the support frame 4.

[0056] As shown in the drawings, Figure 3 In the embodiment, a connecting surface 9 is formed on the connecting block 7, and the ends of the first support frame 5 and the second support frame 6 are respectively connected to the connecting surface through a rotating shaft. In this structure, the ends of the first support leg 2 and the second support leg 3 are respectively connected to the connecting surface through a rotating shaft, and the bottom of the connecting block 7 is provided with a limiting block 10 for limiting the unfolding angle between the first support leg 2 and the second support leg 3, realizing the rotating connection between the first support frame 5, the second support frame 6 and the connecting block 7, and facilitating the unfolding or folding of the first support frame 5 and the second support frame 6.

[0057] As shown in the drawings, Figures 1-3 In the above-mentioned novel folding frame, the first support frame 5 is provided with a connecting piece 11, the handle 81 includes a locking rod 29 and a folding rod 27, the support pipe 82 includes a support upper pipe 821 and a support lower pipe 822, the end of the locking rod 29 is rotatably connected to one end of the folding rod 27, the other end of the folding rod 27 is rotatably connected to one end of the support lower pipe 822, the end of the support lower pipe 822 away from the folding rod 27 is rotatably connected to one end of the support upper pipe 821, the end of the support upper pipe 821 away from the support lower pipe 822 is rotatably connected to one end of the support upper pipe 821 rotatably connected to the connecting piece 11, the middle part of the locking rod 29 is rotatably connected to the second support frame 6, the middle part of the folding rod 27 is rotatably connected to the second support leg 3, and the middle part of the support lower pipe 822 is rotatably connected to the first support leg 2, constituting a linkage folding mechanism to realize the connection between the second support leg 3 and the first support frame 5, and facilitate the unfolding or folding of the second support leg 3.

[0058] As shown in the drawings, Figure 14As shown, the locking rod 29 and the locking rod 29 rotation connection place is also hinged with the chassis 42, the chassis 42 includes the upper U-shaped bottom pipe 421 and the lower U-shaped bottom pipe 422, the upper U-shaped bottom pipe 421 has the end hinged to the above-mentioned locking rod 29 and the locking rod 29 rotation connection place, the lower U-shaped bottom pipe 422 has the end hinged to the above-mentioned locking rod 29, the locking rod 29 and the upper U-shaped bottom pipe 421 hinge place, the support leg 1 is provided with the cross pipe for providing support for the chassis 42, the cross pipe includes the first cross pipe 423 corresponding to the upper U-shaped bottom pipe 421 and the second cross pipe 424 corresponding to the lower U-shaped bottom pipe 422, wherein the cross pipe drives the chassis 42 to fold when the support leg 1 is folded, and the above-mentioned hinged mode can be realized by the hinge connection with damping to keep rotation. When the support leg 1 is folded, the cross pipe drives the chassis 42 to fold, and the chassis 42 folds while the pet basin, baby basket placed therein can be lifted or assisted to be folded.

[0059] As shown, Figures 4-5 The novel folding frame further comprises a connecting piece 14 arranged on the first support leg 2 and / or the second support leg 3, as shown, Figure 4 And 6 In the embodiment, the first support leg 2 comprises a first support rod 12 and a first connecting rod 13, the connecting piece 14 is provided with a connecting groove 15 and a sliding groove 16, the upper end of the first support rod 12 is inserted into the sliding groove 16 and connected with the connecting piece 14 through the sliding groove 16, and the lower end of the first connecting rod 13 is inserted into the connecting groove 15. The connecting piece is provided with a locking mechanism for limiting the sliding of the first support rod 12, and the locking mechanism keeps the extension length of the first support rod 12 relative to the first connecting rod 13 by limiting the sliding of the first support rod 12.

[0060] The support rod is provided with a plurality of locking holes 19 along the axial direction, the locking mechanism 28 comprises a locking column 20 arranged in the connecting piece 14 and capable of extending into the sliding groove 16, the locking column 20 is provided with a bolt 21 capable of extending into the sliding groove 16, the connecting piece 14 is provided with a third elastic component (not shown in the figure) for driving the locking column to retract, the locking column 20 is provided with a fourth elastic component (not shown in the figure) for driving the bolt 21 to extend, and the support rod can be limited to retract relative to the connecting piece 14 when the bolt is inserted into the locking hole 19;

[0061] As shown, Figures 4-8As shown, the connecting piece 14 is rotationally connected with a horizontal rod, the locking column 20 is provided with a guide groove 201 at one end close to the horizontal rod, the groove bottom of the guide groove 201 is formed with alternatingly distributed deep position area 203 and shallow position area 204, the transition position of the deep position area 203 and the shallow position area 204 is provided with a second guide inclined surface 205, the horizontal rod is provided with a cam portion 202 matched with the second guide inclined surface 205, the cam portion 202 is alternately positioned with the deep position area 203 and the shallow position area 204 with the rotation of the horizontal rod;

[0062] The bolt 21 is provided with a third guide inclined surface 206 at one end close to the support rod, when the cam portion 202 is positioned with the shallow position area 204, the cam portion 202 overcomes the elastic force of the third elastic assembly to push out the locking column 20, when the third guide inclined surface 206 is forced, the locking column 20 is driven to retract against the elastic force of the fourth elastic assembly, the locking column 20 is designed in two sections, one section is driven to extend by the horizontal rod, and the other section is driven to extend by the fourth elastic assembly, as Figures 5-8 As shown, the third guide inclined surface 206 is arranged in the direction facing the extension direction of the support rod (i.e. above the axial direction of the support rod), when the cam portion 202 is positioned with the deep position area 203, the support rod can be directly pulled to drive the locking column 20 to automatically retract, and the support rod is prevented from retracting after being positioned.

[0063] Each of the above-mentioned elastic assemblies can be realized by components such as springs to provide elastic potential.

[0064] As shown, Figures 4-8 As shown in the embodiment, the first support leg 2 includes a second support rod 23 and a second connecting rod 24, the connecting piece 14 is provided with a connecting groove 15 and a sliding groove 16, the upper end of the second support rod 23 is inserted into the sliding groove 16 and is slidingly connected with the connecting piece through the sliding groove 16, and the lower end of the second connecting rod 24 is inserted into the connecting groove 15. The connecting piece is provided with a locking mechanism limiting the sliding of the second support rod 23, the locking mechanism limits the sliding of the second support rod 23 to keep the extension length of the second support rod 23 relative to the second support rod 23.

[0065] The first support rod 12 and the second support rod 23 are provided with a plurality of locking holes along the length direction, and the locking mechanism can be realized by the existing technology such as the elastic and retractable rotating shaft to facilitate unlocking.

[0066] As shown, Figures 4-8As shown, in the embodiment, the connecting piece 14 is provided with a crossbar 25, the first connecting rod 13 is connected with a first crossbar 25 through the connecting piece 14, and the second connecting rod 24 is connected with a second crossbar 26 through the connecting piece 14. In this structure, the first connecting rod 13 is provided with the first crossbar 25, and the first crossbar 25 and the second crossbar 26 have a supporting effect on the first connecting rod 13 and the second connecting rod 24, which guarantees the integrity of the support frame 4 and further improves the stability of the folding frame, effectively ensuring the stability of the folding frame when unfolded and avoiding shaking.

[0067] As shown, Figures 9-11 In the embodiment, the folding frame 8 includes a folding rod 27 and a locking mechanism 28, the locking mechanism 28 includes a locking rod 29 and a locking piece 30, the locking rod 29 is rotationally connected to the second support frame 6 through a rotating shaft, the locking rod 29 is provided with an insertion block 31, and the end of the locking rod 29 is rotationally connected with a rotating block 32, the rotating block 32 is provided with a rotating groove 33, and the folding rod 27 is inserted into the rotating groove 33;

[0068] As shown, Figures 10-13 The rotating block 32 is provided with a first elastic component (not shown in the figure) for driving the movable block 38 to extend, the locking piece 30 includes a fixed shell 34, a pushing block 35, and a steel wire rope 37, the locking block 36 is movably connected below the fixed shell 34, one end of the steel wire rope 37 is fixedly connected to the locking block 36, the other end of the steel wire rope 37 is arranged in the folding rod 27 and connected with the movable block 38, the locking piece 30 further includes the pushing block 35 which is slidably arranged on the fixed shell 34, the pushing block 35 moves on the fixed shell 34 between a locking position and an unlocking position, the fixed shell 34 is provided with a second elastic component 17 for driving the pushing block 35 to the locking position, the pushing block 35 is arranged opposite to the locking block 36 and extends with a pushing rod 40 at the bottom, and the locking block 36 is provided with a locking groove 41 which is adapted to the pushing rod 40;

[0069] When the pushing block 35 is at the locking position, the pushing rod 40 abuts against the inner side of the locking block 36 to limit the movement of the locking block 36, and when the pushing block 35 is at the unlocking position, the pushing rod 40 is aligned with the locking groove 41 to release the constraint.

[0070] The pushing rod 40 is provided with a guide portion 401, and the inner wall of the locking groove 41 is provided with a first guide inclined surface 411 which is adapted to the guide portion 401, when the pushing block 35 moves to the unlocking position, the guide portion 401 abuts against the first guide inclined surface 411 and pushes the locking block 36 out;

[0071] When the new folding frame is unfolded, the pushing rod 40 abuts against the inner side of the locking block 36, the movable block 38 is inserted into the rotating groove 33, and the steel wire rope 37 is in a taut state.

[0072] When the folding frame is folded, the folding frame 8 is first folded, the pushing block 35 is pressed, the pushing rod 40 enters the locking groove 41, the abutment between the pushing rod 40 and the inner side of the locking block 36 is released, the movable block 38 exits the rotating groove 33, and the locking mechanism 28 of the folding frame 8 is unlocked.

[0073] The folding and folding mode is designed by one-key pressing unlocking and step-by-step folding, which greatly improves the convenience while ensuring the stability of the structure. Only one hand is needed to operate the pushing block and the locking block, which can quickly unlock, avoid the complex multi-locking operation of the traditional folding device, and accurately control the joint folding track to prevent jamming. After folding, it is convenient to store and store; when unfolded, the locking mechanism automatically forms a bidirectional mechanical constraint, so that even if the pet struggles violently, the support frame can remain stable and not shake, truly realizing the safe and convenient use experience of "one press and one fold", and greatly improving the user's use experience.

[0074] The above embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions, which should be covered in the scope of the claims of the utility model.

Claims

1. A new folding stand characterized in that, The support leg (1), the support frame (4) and the folding frame (8) are connected through a hinge linkage to form a foldable mechanism. The folding frame (8) comprises a handle and a support tube (82), and the handle, the support tube (82), the support leg (1) and the support frame (4) are connected through a hinge linkage to form a foldable mechanism. The handle comprises a folding rod (27) and a locking mechanism (28), and the locking mechanism (28) comprises: a locking rod (29) having one end rotatably connected to the support tube (82) through a rotating shaft, the other end connected with a rotating block (32), and the middle part provided with an insertion block (31) having a slot (311); and a locking piece (30) comprising a movable block (38) arranged to be extendable, and the movable block (38) is arranged in a rotating groove (33) of the rotating block (32). When the folding frame (8) is unfolded, the movable block (38) is inserted into the slot (311) of the insertion block (31) to limit the rotation of the folding rod (27) relative to the locking rod (29), thereby maintaining the unfolded state of the overall structure.

2. The new folding stand as claimed in claim 1, wherein, The support leg (1) comprises a first support leg (2) and a second support leg (3). The support frame assembly comprises a first support frame (5), a second support frame (6) and a connecting block (7), wherein the first support frame (5) and the second support frame (6) are symmetrically connected to the two sides of the connecting block (7) through rotating shafts. The handle, the support tube (82), the first support leg (2), the second support leg (3), the first support frame (5), the second support frame (6) and the connecting block (7) are connected through a hinge to form a linkage foldable mechanism.

3. The new folding stand as claimed in claim 2, wherein, The connecting block (7) is provided with a connecting surface (9), and the ends of the first support frame (5) and the second support frame (6) and the ends of the first support leg (2) and the second support leg (3) are rotatably connected to the connecting surface (9) through rotating shafts. The connecting block (7) is further provided with a limiting block (10) at the bottom for limiting the unfolding angle between the first support leg (2) and the second support leg (3).

4. The new folding stand as claimed in claim 3, wherein, The first support frame (5) is provided with a connecting piece (11), and the support tube (82) is composed of a support upper tube (821) and a support lower tube (822), wherein the end of the locking rod (29) is rotatably connected with the locking rod (29), the other end of the locking rod (29) is connected with one end of the support lower tube (822), the other end of the support lower tube (822) is connected with one end of the support upper tube (821), the other end of the support upper tube (821) is connected to the connecting piece (11), and the middle part of the locking rod (29) is rotatably connected with the second support frame (6), the middle part of the locking rod (29) is rotatably connected with the second support leg (3), and the middle part of the support lower tube (822) is rotatably connected with the first support leg (2), thereby forming a linkage folding mechanism.

5. The new folding stand as claimed in any one of claims 1 to 4, wherein, The rotating block (32) is provided with a first elastic component for driving the movable block (38) to extend, the locking member (30) comprises a fixed shell (34), a locking block (36) and a steel wire rope (37), the locking block (36) is movably connected to the lower portion of the fixed shell (34), one end of the steel wire rope (37) is fixedly connected to the locking block (36), and the other end of the steel wire rope (37) is arranged in the folding rod (27) and connected with the movable block (38); When the locking block (36) is pressed to move, the locking block (36) drives the steel wire rope (37) to pull the movable block (38) out of the rotating groove (33), so that the rotation restriction between the folding rod (27) and the locking rod (29) is released.

6. The new folding stand as claimed in claim 5 wherein, The locking member (30) further comprises a push block (35) slidably arranged on the fixed shell (34), the push block (35) moves on the fixed shell (34) between a locking position and an unlocking position, the fixed shell (34) is provided with a second elastic component (17) for driving the push block (35) to tend to the locking position, the push block (35) is arranged opposite to the locking block (36) and extends downward to be provided with a push rod (40), the locking block (36) is provided with a locking groove (41) matched with the push rod (40); When the push block (35) is in the locking position, the push rod (40) abuts against the inner side of the locking block (36) to limit the movement of the locking block (36); when the push block (35) is in the unlocking position, the push rod (40) is aligned with the locking groove (41) to release the constraint.

7. The new folding stand as claimed in claim 6 wherein, The push rod (40) is provided with a guide portion (401), and the inner wall of the locking groove (41) is provided with a first guide inclined surface (411) matched with the guide portion; when the push block (35) moves to the unlocking position, the guide portion (401) abuts against the first guide inclined surface (411) and pushes the locking block (36) out.

8. The new folding stand as claimed in claim 5 wherein, Each of the support legs (1) comprises a support rod, a connecting rod and a connecting member (14), The connecting member (14) is provided with a connecting groove (15) and a sliding groove (16), the upper end of the support rod is slidably inserted into the sliding groove (16), and the lower end of the connecting rod is fixedly inserted into the connecting groove (15); The connecting member (14) is provided with a locking mechanism (28) for limiting the sliding of the support rod, and the locking mechanism (28) limits the sliding of the support rod to keep the extension length of the support rod relative to the connecting rod.

9. The new folding stand as claimed in claim 8, wherein, The support rod is axially spaced apart and provided with a plurality of locking holes (19), the locking mechanism (28) comprises a locking column (20) arranged in the connecting member (14) and extendable into the sliding groove (16), the locking column (20) is provided with a locking pin (21) extendable into the sliding groove (16), the connecting member (14) is provided with a third elastic component for driving the locking column to retract, the locking column (20) is provided with a fourth elastic component for driving the locking pin (21) to extend, and when the locking pin is inserted into the locking hole (19), the support rod can be limited to retract relative to the connecting member (14). The connecting piece (14) is rotationally connected with a cross rod, the locking column (20) is provided with a guide groove (201) near one end of the cross rod, the groove bottom of the guide groove (201) is formed with alternately distributed deep position areas (203) and shallow position areas (204), the transition position of the deep position area (203) and the shallow position area (204) is provided with a second guide inclined surface (205), the cross rod is provided with a cam portion (202) matched with the second guide inclined surface (205), and the cam portion (202) is alternately positioned with the deep position area (203) and the shallow position area (204) with the rotation of the cross rod; The bolt (21) is provided with a third guide inclined surface (206) near one end of the support rod, when the cam portion (202) is positioned with the shallow position area (204), the cam portion (202) pushes out the locking column (20) against the elastic force of the third elastic component, and when the third guide inclined surface (206) is forced, the locking column (20) is driven to retract against the elastic force of the fourth elastic component.

10. The new folding stand as claimed in claim 5 wherein, The locking rod (29) and the locking rod (29) are rotationally connected and are further hinged with a chassis (42), the chassis (42) comprises an upper U-shaped bottom pipe (421) and a lower U-shaped bottom pipe (422), the upper U-shaped bottom pipe (421) has an end hinged to the rotationally connected position of the locking rod (29) and the locking rod (29), the lower U-shaped bottom pipe (422) has an end hinged to the hinged position of the locking rod (29), the locking rod (29) and the upper U-shaped bottom pipe (421), the support leg (1) is provided with a cross pipe for supporting the chassis (42), the cross pipe comprises a first cross pipe (423) corresponding to the upper U-shaped bottom pipe (421) and a second cross pipe (424) corresponding to the lower U-shaped bottom pipe (422), and when the support leg (1) is folded, the cross pipe drives the chassis (42) to be folded.

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