CN219176024U - Foldable support frame - Google Patents

Abstract

The application discloses a foldable support frame, which comprises a foldable bottom support frame, a bottom connecting assembly, a first support assembly and a plurality of reinforced support assemblies; the top frame of the foldable bottom supporting frame is provided with a plurality of supporting connection positions and a plurality of reinforcing supporting positions; the bottom connecting component is connected to the plurality of supporting connecting positions in a folding way; one end of the first supporting component is rotationally connected with the plurality of reinforcing supporting components, the other end of the first supporting component is movably connected with the bottom connecting component, and one end of the reinforcing supporting component far away from the first supporting component is rotationally connected to the reinforcing supporting position; in the unfolded state of the foldable support frame, the plurality of reinforcing support assemblies are unfolded on the upper part of the bottom connecting assembly, the first support assembly is connected between the reinforcing support assemblies and the bottom connecting assembly in a supporting mode, and the first support assembly supports the reinforcing support assemblies to be unfolded so as to form a plurality of support inclined planes. The support third dimension of collapsible support frame of this application is strong and support effectually.

Description

Foldable support frame

Technical Field

The application relates to the technical field of folding support, in particular to a foldable support frame.

Background

The foldable shielding shed is visible everywhere in daily life, is mainly applied to rest places of building sites, and is used for shading sun and shielding rain for rest personnel and the like. The foldable shelter has the advantages that the foldable shelter is convenient to fold and unfold, and the foldable shelter does not occupy space when being idle.

However, the current foldable support frame has poor support third dimension and poor support effect, so that the foldable shelter has poor flow conductivity, and is easy to accumulate water and snow in rainy and snowy weather.

Disclosure of Invention

The application provides a collapsible support frame, it supports that the third dimension is strong and support effectually.

The foldable support frame comprises a foldable bottom support frame, a bottom connecting assembly, a first support assembly and a plurality of reinforced support assemblies;

the top frame of the foldable bottom supporting frame is provided with a plurality of supporting connection positions and a plurality of reinforcing supporting positions;

the bottom connecting component is connected to the plurality of support connecting positions in a folding way;

one end of the first supporting component is rotationally connected with the plurality of reinforcing supporting components, the other end of the first supporting component is movably connected with the bottom connecting component, and one end of the reinforcing supporting component, which is far away from the first supporting component, is rotationally connected to the reinforcing supporting position;

in the unfolded state of the foldable support frame, the plurality of reinforcing support assemblies are unfolded on the upper portion of the bottom connecting assembly, the first support assembly is supported and connected between the reinforcing support assemblies and the bottom connecting assembly, and the first support assembly supports the reinforcing support assemblies to be unfolded so as to form a plurality of support inclined planes.

Further, the reinforcing support assembly comprises a first reinforcing rod and a second reinforcing rod, and the first reinforcing rod and the second reinforcing rod are rotatably connected;

the top end of the first supporting component is provided with a plurality of first rotating connection positions, one end of the first reinforcing rod, which is far away from the second reinforcing rod, is rotationally connected with the first rotating connection positions, and one end of the second reinforcing rod, which is far away from the first reinforcing rod, is rotationally connected with the reinforcing supporting positions.

Further, the foldable bottom support frame includes a plurality of first foldable connection assemblies and a plurality of second support assemblies;

adjacent second support assemblies are connected in a folding way through at least one first folding connecting assembly;

the plurality of support connection positions are arranged on the first foldable connection assembly, and the plurality of reinforcement support positions are arranged on the second support assembly.

Further, the bottom connection assembly includes a plurality of second foldable connection assemblies;

the first foldable connection assembly and the first support assembly are foldably connected by the second foldable connection assembly.

Further, the first foldable connection assembly comprises a first connection rod and a second connection rod;

the first connecting rod and the second connecting rod are in cross rotation connection.

Further, the second foldable connection assembly comprises a third connection rod and a fourth connection rod;

the third connecting rod and the fourth connecting rod are in cross rotation connection.

Further, the device also comprises a first connecting piece;

the first connecting piece is provided with a first sliding connecting position and a plurality of second rotating connecting positions;

the first support component is connected to the first sliding connection position in a sliding mode, and the third connecting rod is connected to the second rotating connection position in a rotating mode.

Further, the device also comprises a plurality of second connecting pieces;

the second connecting piece is provided with a second sliding connecting position and a plurality of third rotating connecting positions;

the second support component is connected to the second sliding connection position in a sliding manner, and the first connecting rod is connected to the third rotating connection position in a rotating manner.

Further, the second support assembly comprises a first support rod and a second support rod, and the first support rod is in sliding connection with the second support rod;

one end of the first supporting rod is provided with a plurality of reinforced supporting positions.

Further, the first support component comprises a third support rod and a fourth support rod, and the third support rod is in sliding connection with the fourth support rod;

one end of the third supporting rod is provided with a plurality of first rotating connection positions.

The application provides a collapsible support frame has following beneficial effect:

the foldable support frame comprises a foldable bottom support frame, a bottom connecting assembly, a first support assembly and a plurality of reinforced support assemblies; the top frame of the foldable bottom supporting frame is provided with a plurality of supporting connection positions and a plurality of reinforcing supporting positions; the bottom connecting component is connected to the plurality of supporting connecting positions in a folding way; one end of the first supporting component is rotationally connected with the plurality of reinforcing supporting components, the other end of the first supporting component is movably connected with the bottom connecting component, and one end of the reinforcing supporting component far away from the first supporting component is rotationally connected to the reinforcing supporting position; in the unfolded state of the foldable support frame, the plurality of reinforcing support assemblies are unfolded on the upper part of the bottom connecting assembly, the first support assembly is connected between the reinforcing support assemblies and the bottom connecting assembly in a supporting mode, and the first support assembly supports the reinforcing support assemblies to be unfolded so as to form a plurality of support inclined planes. So, the support third dimension of collapsible support frame of this application is strong and support effectually.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an unfolded state of a foldable support frame according to an embodiment of the present application;

fig. 2 is a schematic partial structure of a foldable support frame according to an embodiment of the present application;

fig. 3 is a schematic partial structure of a foldable support frame according to an embodiment of the present application;

fig. 4 is a schematic partial structure of a foldable support frame according to an embodiment of the present application;

fig. 5 is a schematic structural view of a foldable shelter according to an embodiment of the present application;

fig. 6 is a schematic structural view of a folded state of a foldable support frame according to an embodiment of the present application.

The following supplementary explanation is given to the accompanying drawings:

10-a collapsible bottom support frame; 11-a first foldable connection assembly; 111-a first connecting rod; 112-a second connecting rod; 12-a second support assembly; 121-a first support bar; 122-a second support bar; 13-reinforcing the support; 20-a bottom connection assembly; 21-a second foldable connection assembly; 211-a third connecting rod; 212-a fourth connecting rod; 30-a first support assembly; 31-a third support bar; 32-a fourth support bar; 33-a first rotational connection; 40-reinforcing the support assembly; 41-a first reinforcing bar; 42-a second reinforcing bar; 50-a first connector; 51-first slide connection position; 52-a second rotational connection; 60-a second connector; 61-a second slide connection position; 62-a third rotational connection; 70-a third connector; 71-fourth rotational connection; 80-fourth connection; 81-sixth rotational joint; 90-fifth connection; 100-sixth connection; 110-shielding cloth.

Detailed Description

In order to enable those skilled in the art to better understand the present application, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it should be understood that the terms "upper," "lower," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

A foldable support stand provided in accordance with an embodiment of the present application is described below in conjunction with fig. 1-6, and includes a foldable bottom support frame 10, a bottom attachment assembly 20, a first support assembly 30, and a plurality of reinforcing support assemblies 40; the top frame of the foldable bottom support frame 10 is provided with a plurality of support connection positions and a plurality of reinforced support positions 13; the bottom connecting assembly 20 is foldably connected to a plurality of support connection locations; one end of the first supporting component 30 is rotatably connected with a plurality of reinforcing supporting components 40, the other end of the first supporting component 30 is movably connected with the bottom connecting component 20, and one end of the reinforcing supporting component 40 far away from the first supporting component 30 is rotatably connected to the reinforcing supporting position 13; in the unfolded state of the foldable support frame, the plurality of reinforcement support members 40 are unfolded at the upper portion of the bottom connecting member 20, the first support member 30 is supportably connected between the reinforcement support members 40 and the bottom connecting member 20, and the first support member 30 supports the reinforcement support members 40 to be unfolded to form a plurality of support slopes.

In some embodiments, the bottom connection assembly 20 is foldably connected to a plurality of support connection locations, which facilitate folding and unfolding of the foldable support frame.

In some embodiments, referring to fig. 5, the foldable support frame may be used with the shielding cloth 110, the foldable support frame and the shielding cloth 110 cooperate to form a foldable shielding shed, and in the unfolded state of the foldable support frame, the shielding cloth 110 is unfolded at the top of the foldable support frame, and the foldable support frame can support the shielding cloth 110, so that the functions of rain and sun of the foldable shielding shed are realized.

In some embodiments, in the unfolded state of the foldable support frame, the first support assembly 30 is perpendicular to the top frame surface of the foldable bottom support frame 10, one end of the reinforcing support assembly 40 is rotatably connected with the first support assembly 30, and the other end of the reinforcing support assembly 40 is rotatably connected to the corresponding reinforcing support position 13 to form a plurality of support slopes, so that the first support assembly 30 and the reinforcing support assembly 40 can provide support with stronger stereoscopic impression, further provide support with stronger stereoscopic impression for the shielding cloth 110, and further improve the performance of the foldable shielding shed, such as the air guiding performance and the windproof performance.

In the embodiment of the present application, the reinforcing support assembly 40 includes a first reinforcing rod 41 and a second reinforcing rod 42, and the first reinforcing rod 41 and the second reinforcing rod 42 are rotatably connected; the top end of the first supporting component 30 is provided with a plurality of first rotating connection positions 33, one end of the first reinforcing rod 41 away from the second reinforcing rod 42 is rotatably connected to the first rotating connection positions 33, and one end of the second reinforcing rod 42 away from the first reinforcing rod 41 is rotatably connected to the reinforcing supporting position 13. Thus, the support with stronger stereoscopic impression can be provided, and further the support with stronger stereoscopic impression is provided for the shielding cloth 110, and further the performances of the foldable shielding shed such as the flow conductivity and the windproof performance are improved.

In some embodiments, an end of the first reinforcing rod 41 far from the second reinforcing rod 42 is rotatably connected to the first rotating connection position 33, an end of the first reinforcing rod 41 far from the first rotating connection position 33 is rotatably connected to an end of the second reinforcing rod 42, and an end of the second reinforcing rod 42 far from the first reinforcing rod 41 is rotatably connected to the corresponding reinforcing support position 13, so that the foldable connection between the first support assembly 30 and the foldable bottom support frame 10 is realized.

In the present embodiment, the foldable bottom support frame 10 includes a plurality of first foldable connection assemblies 11 and a plurality of second support assemblies 12; adjacent second support members 12 are foldably connected by at least one first foldable connection member 11; a plurality of support connection locations are provided on the first foldable connection assembly 11 and a plurality of reinforcement support locations are provided on the second support assembly 12.

In some embodiments, in the case where at least two first foldable connection assemblies 11 are provided between adjacent second support assemblies 12, the at least two first foldable connection assemblies 11 are rotatably connected at adjacent ends of the first foldable connection assemblies, so that foldable connection of the at least two first foldable connection assemblies 11 is achieved.

In some embodiments, the support connection is disposed at a first collapsible connection assembly adjacent end, and the bottom connection assembly 20 is foldably connected to a corresponding plurality of first collapsible connection assembly adjacent ends, such that a collapsible connection of the connection assembly 20 and the collapsible bottom support frame 10 is achieved.

In some embodiments, the reinforcing support is disposed at the top end of the second support member 12 near the reinforcing support member 40, and the second support member 12 and the first support member 30 are disposed in parallel to achieve the support in the height direction. The second supporting component 12 keep away from the one end of first collapsible coupling assembling 11 and are provided with the enhancement supporting seat, and the seat face of enhancement supporting seat extends along the length direction that is perpendicular to second supporting component 12 and sets up, so, improves the support steadiness of collapsible support frame.

In the present embodiment, the bottom connecting assembly 20 includes a plurality of second foldable connecting assemblies 21; the first foldable connection assembly 11 and the first support assembly 30 are foldably connected by the second foldable connection assembly 21.

In some embodiments, one end of the second foldable connection assembly 21 is rotatably connected to the corresponding first foldable connection assembly 11, and the other end of the second foldable connection assembly 21 is movably connected to the first support assembly 30. In this way, a foldable connection between the first foldable connection assembly 11 and the first support assembly 30 is achieved.

In some embodiments, referring to fig. 4, the foldable support frame further includes a plurality of third connecting members 70, a plurality of fourth rotating connecting positions 71 are disposed on the third connecting members 70, one end of the second foldable connecting assembly 21 is rotatably connected to the corresponding fourth rotating connecting positions 71, and one end of the first foldable connecting assembly 11 is rotatably connected to the corresponding fourth rotating connecting positions 71.

In some embodiments, the fourth rotational connection 71 rotationally connected to the second foldable connection assembly 21 is a support connection.

In the embodiment of the present application, the first foldable connection assembly 11 includes a first connection rod 111 and a second connection rod 112; the first connecting rod 111 and the second connecting rod 112 are connected in a cross rotation manner.

In the present embodiment, the second foldable connection assembly 21 includes a third connection rod 211 and a fourth connection rod 212; the third connecting rod 211 and the fourth connecting rod 212 are connected in a cross-rotation manner.

In some embodiments, the adjacent first connecting rod 111, second connecting rod 112 and third connecting rod 211 are rotationally connected through the corresponding fourth rotational connection position 71 on the third connecting piece 70, so that the rotational connection of the first connecting rod 111, second connecting rod 112 and third connecting rod 211 is realized, and the foldable function of the foldable support frame is further realized.

In some embodiments, referring to fig. 3, the foldable bottom support frame 10 further includes a plurality of fourth connectors 80, the fourth connectors 80 are fixedly connected to the top end of the second support assembly near the bottom connecting assembly 20, and a plurality of reinforcing support sites 13 are disposed on the plurality of fourth connectors 80.

In some embodiments, the fourth connecting member 80 is further provided with a plurality of sixth rotational connecting positions 81, the first connecting rod 111 and the second connecting rod 112 adjacent to the second supporting member 12 are correspondingly rotatably connected to the corresponding sixth rotational connecting positions 81, and the second reinforcing rod 42 adjacent to the second supporting member 12 is correspondingly rotatably connected to the corresponding reinforcing supporting position 13, so that the rotational connection between the first foldable connecting member 11 and the second supporting member 12 and the rotational connection between the reinforcing supporting member 40 and the second supporting member 12 are realized through the fourth connecting member 80.

In this embodiment, referring to fig. 2, the foldable support frame further includes a first connecting member 50; the first connecting piece 50 is provided with a first sliding connecting position 51 and a plurality of second rotating connecting positions 52; the first support assembly 30 is slidably connected to the first sliding connection position 51, and the third connecting rod 211 is rotatably connected to the second rotating connection position 52.

In some embodiments, the first support assembly 30 is slidably connected to the first connecting member 50 by the first sliding connection position 51, such that the sliding connection of the first support assembly 30 and the first connecting member 50 is achieved.

In some embodiments, the third connecting rod 211 adjacent to the first connecting member 50 is rotatably connected to the first connecting member 50 by the second rotary connecting position 52, so that the rotary connection between the first connecting member 50 and the third connecting rod 211 is achieved.

In some embodiments, the foldable support frame further includes a fifth connecting member 90 and a sixth connecting member 100, the fifth connecting member 90 and the sixth connecting member 100 are respectively and fixedly connected to two ends of the first support assembly 30, a plurality of first rotating connecting positions 33 are disposed on the sixth connecting member 100, a plurality of fifth rotating connecting positions are disposed on the fifth connecting member 90, and the fourth connecting rod 212 is rotatably connected to the corresponding fifth rotating connecting positions.

In some embodiments, the third connecting rod 211 and the fourth connecting rod 212 are alternatively rotatably connected to the fifth rotary connecting position, and the other rotary connecting position is rotatably connected to the second rotary connecting position 52.

In the embodiment of the present application, the foldable support frame further includes a plurality of second connectors 60; the second connecting piece 60 is provided with a second sliding connecting position 61 and a plurality of third rotating connecting positions 62; the second support assembly 12 is slidably connected to the second sliding connection position 61, and the first connecting rod 111 is rotatably connected to the third rotating connection position 62.

In some embodiments, the second connecting member 60 is slidably connected to the second support assembly 12 through the second sliding connection position 61, and one of the first connecting rod 111 and the second connecting rod 112 is selectively rotatably connected to the third rotating connection position 62, and the other is rotatably connected to the sixth rotating connection position 81, so that the foldable support frame is foldable.

In this embodiment, the second support assembly 12 includes a first support rod 121 and a second support rod 122, where the first support rod 121 and the second support rod 122 are slidably connected; a plurality of reinforcement support positions are provided on one end of the first support rod 121.

In some embodiments, the first support rod 121 is sleeved outside the second support rod 122, and the first support rod 121 is slidably connected with the second support rod 122, so that the second support assembly 12 is folded in a telescopic manner, and further the foldable support frame is folded in a telescopic manner in the height direction.

In some embodiments, a first locking structure is disposed between the first support rod 121 and the second support rod 122, and in a state that the first locking structure is locked, the relative position between the first support rod 121 and the second support rod 122 is fixed; in the state where the first locking structure is unlocked, the first support rod 121 and the second support rod 122 can slide relatively therebetween.

In the embodiment of the present application, the first support assembly 30 includes a third support rod 31 and a fourth support rod 32, and the third support rod 31 and the fourth support rod 32 are slidably connected; one end of the third supporting rod 31 is provided with a plurality of first rotation connection positions.

In some embodiments, the fourth support rod 32 is sleeved outside the third support rod 31, and the third support rod 31 and the fourth support rod 32 are slidably connected, so that the telescopic folding of the first support assembly 30 is realized, and further the telescopic folding of the foldable support frame in the height direction is realized.

In some embodiments, a second locking structure is disposed between the second connecting member 60 and the second supporting component 12, and in a state that the first locking structure is locked, the relative position between the second connecting member 60 and the second supporting component 12 is fixed; in the unlocked state of the first locking structure, the second connector 60 and the second support assembly 12 are able to slide relative to each other.

The following describes an unfolding motion process of the foldable support frame provided by the embodiment of the application in combination with a specific application scene, including:

under the action of external force, the plurality of second supporting components 12 move around, and at the same time, the plurality of second supporting components 12 drive the plurality of first foldable connecting components 11 to be unfolded, and further drive the plurality of second foldable connecting components 21 to be unfolded, and in the process of unfolding the plurality of second foldable connecting components 21, the first connecting piece 50 slides relative to the first supporting component 30 until the plurality of second supporting components 12 move around to the limit position; at the same time, the reinforcement support assembly 40 is unfolded between the first support assembly 30 and the second support assembly 12 to form a plurality of support slopes, and the foldable support frame is unfolded.

The folding motion process of the foldable support frame provided by the embodiment of the application comprises the following steps:

under the action of external force, the plurality of second supporting components 12 move from the periphery to the center, and at the same time, the plurality of second supporting components 12 drive the plurality of first foldable connecting components 11 to fold, and further drive the plurality of second foldable connecting components 21 to fold, and in the process of folding the plurality of second foldable connecting components 21, the first connecting piece 50 slides relative to the first supporting component 30 until the plurality of second supporting components 12 move to the center to the limit position; at the same time, the reinforcing support member 40 is folded between the first support member 30 and the second support member 12, and the foldable support frame is folded, see fig. 6.

The foldable support frame can provide stronger support of third dimension, and then provides the stronger support of shielding cloth 110 third dimension, and then improves the performance such as the water conservancy diversion nature of foldable shielding canopy and prevent wind.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but rather is intended to cover any and all modifications, equivalents, alternatives, and improvements within the spirit and principles of the present application.

Claims (10)

1. A collapsible support frame comprising a collapsible bottom support frame (10), a bottom connection assembly (20), a first support assembly (30) and a plurality of reinforcing support assemblies (40);

a plurality of support connection positions and a plurality of reinforced support positions (13) are arranged on the top frame of the foldable bottom support frame (10);

the bottom connecting assembly (20) is connected to the plurality of support connecting positions in a foldable manner;

one end of the first supporting component (30) is rotationally connected with the plurality of reinforcing supporting components (40), the other end of the first supporting component (30) is movably connected with the bottom connecting component (20), and one end of the reinforcing supporting component (40) far away from the first supporting component (30) is rotationally connected to the reinforcing supporting position (13);

in the unfolded state of the foldable support frame, the plurality of reinforcing support assemblies (40) are unfolded at the upper part of the bottom connecting assembly (20), the first support assembly (30) is supported and connected between the reinforcing support assemblies (40) and the bottom connecting assembly (20), and the first support assembly (30) supports the reinforcing support assemblies (40) to be unfolded so as to form a plurality of support slopes.

2. The collapsible support frame according to claim 1, wherein the reinforcement support assembly (40) comprises a first reinforcement bar (41) and a second reinforcement bar (42), the first reinforcement bar (41) and the second reinforcement bar (42) being rotatably connected;

the top end of the first supporting component (30) is provided with a plurality of first rotating connecting positions (33), one end, far away from the second reinforcing rod (42), of the first reinforcing rod (41) is rotationally connected with the first rotating connecting positions (33), and one end, far away from the first reinforcing rod (41), of the second reinforcing rod (42) is rotationally connected with the reinforcing supporting position (13).

3. A collapsible support frame according to claim 1, wherein the collapsible bottom support frame (10) comprises a plurality of first collapsible connecting assemblies (11) and a plurality of second support assemblies (12);

-adjacent said second support assemblies (12) are foldably connected by at least one said first foldable connection assembly (11);

the plurality of support connection locations are arranged on the first foldable connection component (11), and the plurality of reinforcement support locations (13) are arranged on the second support component (12).

4. A collapsible support frame according to claim 3, wherein the bottom connection assembly (20) comprises a plurality of second collapsible connection assemblies (21);

the first foldable connection assembly (11) and the first support assembly (30) are connected in a foldable manner through the second foldable connection assembly (21).

5. A collapsible support frame according to claim 3, wherein the first collapsible connecting assembly (11) comprises a first connecting rod (111) and a second connecting rod (112);

the first connecting rod (111) and the second connecting rod (112) are in cross rotation connection.

6. The collapsible support frame as claimed in claim 4, wherein the second collapsible connecting assembly (21) comprises a third connecting bar (211) and a fourth connecting bar (212);

the third connecting rod (211) and the fourth connecting rod (212) are in cross rotation connection.

7. The collapsible support frame of claim 6, further comprising a first connector (50);

the first connecting piece (50) is provided with a first sliding connecting position (51) and a plurality of second rotating connecting positions (52);

the first support assembly (30) is slidably connected to the first sliding connection position (51), and the third connecting rod (211) is rotatably connected to the second rotating connection position (52).

8. The collapsible support frame of claim 5, further comprising a plurality of second connectors (60);

the second connecting piece (60) is provided with a second sliding connecting position (61) and a plurality of third rotating connecting positions (62);

the second support assembly (12) is slidably connected to the second sliding connection position (61), and the first connecting rod (111) is rotatably connected to the third rotating connection position (62).

9. The collapsible support frame according to any one of claims 1-8, wherein the second support assembly (12) comprises a first support bar (121) and a second support bar (122), the first support bar (121) and the second support bar (122) being slidingly connected;

one end of the first supporting rod (121) is provided with a plurality of reinforced supporting positions (13).

10. The collapsible support frame according to claim 2, wherein the first support assembly (30) comprises a third support bar (31) and a fourth support bar (32), the third support bar (31) and the fourth support bar (32) being slidingly connected;

one end of the third supporting rod (31) is provided with a plurality of first rotating connection positions (33).

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