Supporting frame for warning device and warning device

Abstract

The utility model provides a support frame used for a warning device and the warning device, the support frame comprises a central rod, the central rod is provided with a first backstop bulge and a second backstop bulge, the first backstop bulge and the second backstop bulge are sequentially arranged at intervals along the direction far away from the first end of the central rod; the multiple supporting rods are arranged at intervals in the circumferential direction of the center rod, and the first end of each supporting rod is hinged to the first end of the center rod; the sleeve is arranged between the first stop bulge and the second stop bulge on the center rod in a sleeving manner and is arranged along the center rod in a sliding manner; the connecting rods are arranged in one-to-one correspondence with the supporting rods, the first ends of the connecting rods are hinged to the middles of the corresponding supporting rods, and the second ends of the connecting rods are hinged to the sleeve; and the elastic piece is arranged on the center rod in a sleeving mode and located between the sleeve and the second stopping protrusion, so that the problem that in the prior art, a triangular warning board needs to be unfolded manually is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle accessory technical field, specifically, relate to a support frame for warning device and warning device. BACKGROUND

[0002] According to relevant regulations, all motor vehicles on the road should be equipped with warning signs, if in the road, the vehicle cannot continue to travel due to failure or accident, the warning sign should be set up at a certain distance behind the vehicle to remind the oncoming vehicle and avoid rear-end collision. The existing warning sign is a triangle perpendicular to the ground after being unfolded and placed, and the three sides of the triangle are provided with reflective material towards the oncoming vehicle direction.

[0003] However, the above-mentioned warning sign needs to be manually unfolded, once the broken-down vehicle stops at the emergency lane on the highway, the personnel need to evacuate outside the highway guardrail, in order to place the warning sign, it is necessary to walk into the highway surface, and there are often cars whistling on the emergency lane surface, which is easy to cause personnel casualties. In addition, the above-mentioned warning sign only has a single warning effect, and the warning sign loses the warning effect once it is turned over or changes the direction. SUMMARY

[0004] The main purpose of the utility model is to provide a support frame for warning device and warning device, so as to solve the problem that the triangular warning sign in the prior art needs to be manually unfolded.

[0005] In order to achieve the above-mentioned purpose, according to the first aspect of the utility model, a support frame for warning device is provided, which comprises: a center rod, a first stop protrusion and a second stop protrusion are arranged on the center rod, the first stop protrusion and the second stop protrusion are sequentially and spaced apart along the direction away from the first end of the center rod; a plurality of support rods, the plurality of support rods are spaced apart along the circumference of the center rod, the first end of each support rod is hinged to the first end of the center rod; a sleeve, the sleeve is sleeved on the center rod and located between the first stop protrusion and the second stop protrusion, the sleeve is slidably arranged along the center rod; a plurality of connecting rods, the plurality of connecting rods are arranged one by one corresponding to the plurality of support rods, the first end of each connecting rod is hinged to the middle part of the corresponding support rod, the second end of each connecting rod is hinged to the sleeve, so that the plurality of connecting rods drive the plurality of support rods to unfold into a polygonal pyramid or contract into a bundle by the sliding of the sleeve on the center rod; an elastic member, the elastic member is sleeved on the center rod and located between the sleeve and the second stop protrusion, so as to push the sleeve to slide along the direction close to the first end of the center rod by the elastic action of the elastic member.

[0006] Further, the central rod comprises a main rod body and an end cap arranged at a first end of the main rod body, the first stop protrusion is arranged at a middle part of the main rod body, and the second stop protrusion is arranged at a second end of the main rod body; wherein the first end of each support rod is hingedly connected with the end cap, and the sleeve and the elastic member are sleeved on the main rod body.

[0007] Further, the main rod body comprises a first rod segment and a second rod segment connected with each other, the first end of the first rod segment is connected with the end cap, the second end of the first rod segment is connected with the first end of the second rod segment, the first stop protrusion is arranged at the second end of the first rod segment, and the second stop protrusion is arranged at the second end of the second rod segment; wherein the sleeve and the elastic member are sleeved on the second rod segment.

[0008] Further, the end cap is provided with a first threaded hole, the first end of the first rod segment is provided with a first external thread, and the first external thread is threadedly connected with the first threaded hole to connect the first end of the first rod segment with the end cap.

[0009] Further, the second end of the first rod segment is provided with a second threaded hole, the first end of the second rod segment is provided with a second external thread, and the second external thread is threadedly connected with the second threaded hole to connect the first end of the second rod segment with the second end of the first rod segment.

[0010] Further, the support frame comprises a plurality of first connecting pins arranged in one-to-one correspondence with the plurality of support rods, a plurality of first pin seats are arranged at intervals on the outer circumferential surface of the end cap, and the plurality of first pin seats are arranged in one-to-one correspondence with the plurality of first connecting pins; wherein each first connecting pin is simultaneously arranged on the first end of the corresponding support rod and the corresponding first pin seat.

[0011] Further, the support frame comprises: a plurality of second connecting pins arranged in one-to-one correspondence with the plurality of support rods and the plurality of connecting rods, each support rod is provided with a second pin seat, each second connecting pin is simultaneously arranged on the second pin seat of the corresponding support rod and the first end of the corresponding connecting rod; and / or a plurality of third connecting pins arranged in one-to-one correspondence with the plurality of connecting rods, a plurality of third pin seats are arranged at intervals on the outer circumferential surface of the sleeve, and the plurality of third pin seats are arranged in one-to-one correspondence with the plurality of third connecting pins; wherein each third connecting pin is simultaneously arranged on the second end of the corresponding connecting rod and the corresponding third pin seat.

[0012] Further, the elastic member is a compression spring.

[0013] According to the second aspect of the utility model, a warning device is provided, which comprises a support frame and a flexible warning cover covering the support frame, and the support frame is the support frame for the warning device.

[0014] Further, the flexible warning cover comprises a plurality of warning surfaces, which are arranged one by one with the plurality of outer surfaces of the polygonal pyramid, and each of the warning surfaces is provided with a warning mark, which comprises a fluorescent component and a reflective component.

[0015] According to the technical scheme of the utility model, the support frame for the warning device comprises: a center rod, a first stop protrusion and a second stop protrusion are arranged on the center rod, and the first stop protrusion and the second stop protrusion are sequentially and spaced apart in the direction away from the first end of the center rod; a plurality of support rods, the plurality of support rods are spaced apart in the circumferential direction of the center rod, and the first end of each support rod is hingedly connected to the first end of the center rod; a sleeve, the sleeve is sleeved on the center rod and located between the first stop protrusion and the second stop protrusion, and the sleeve is slidably arranged along the center rod; a plurality of connecting rods, the plurality of connecting rods are arranged one by one with the plurality of support rods, the first end of each connecting rod is hingedly connected to the middle part of the corresponding support rod, and the second end of each connecting rod is hingedly connected to the sleeve, so that the plurality of connecting rods drive the plurality of support rods to expand into a polygonal pyramid or contract into a bundle by the sliding of the sleeve on the center rod; and an elastic member, the elastic member is sleeved on the center rod and located between the sleeve and the second stop protrusion, so as to push the sleeve to slide in the direction close to the first end of the center rod by the elastic action of the elastic member. The support frame for the warning device utilizes the principle that the effective torque of the driving force on the driven part approaches zero when the transmission angle of the driven part approaches zero near the mechanism dead point, so that the control elastic member is contracted but not in action when the elastic member is stored, and the support frame is expanded but not contracted after the elastic member is released. In this way, when the support frame is contracted into a bundle, the support frame is in the first dead point position, can keep the contracted state by gravity without automatic expansion, and has a smaller volume, which is beneficial to storage in the containing space. When the contracted support frame is thrown out and automatically expanded, the support frame is in the second dead point position, and each support rod is not easy to compress by pressing, which is beneficial to display, and solves the problem that the triangular warning board in the prior art needs to be manually expanded. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification of this application form a part thereof, serve to provide further understanding of the present application, and together with the description of the exemplary embodiments of the present application, serve to explain the present application. In the drawings:

[0017] Figure 1 A structural schematic view of an embodiment of the support frame for the warning device according to the present application in one direction is shown;

[0018] Figure 2 A structural schematic view of the support frame for the warning device shown in another direction is shown; Figure 1 A structural schematic view of the support frame for the warning device shown in another direction is shown;

[0019] Figure 3 A structural schematic view of the support frame for the warning device shown in another direction is shown;Figure 1 Figure 6 shows a bottom view of the support frame for the warning device shown;

[0020] Figure 4 Figure 5 shows a cross-sectional view along the direction of A-A of the support frame for the warning device shown; Figure 3 Figure 6 shows a bottom view of the support frame for the warning device shown;

[0021] Figure 5 Figure 5 shows a cross-sectional view along the direction of A-A of the support frame for the warning device shown; Figure 3 Figure 6 shows a bottom view of the support frame for the warning device shown;

[0022] Figure 6 Figure 5 shows a cross-sectional view along the direction of A-A of the support frame for the warning device shown; Figure 2 Figure 6 shows a bottom view of the support frame for the warning device shown;

[0023] Figure 7 Figure 5 shows a cross-sectional view along the direction of A-A of the support frame for the warning device shown; Figure 2 Figure 6 shows a bottom view of the support frame for the warning device shown;

[0024] Figure 8 Figure 5 shows a cross-sectional view along the direction of A-A of the support frame for the warning device shown; Figure 2 Figure 6 shows a bottom view of the support frame for the warning device shown;

[0025] Figure 9 Figure 5 shows a cross-sectional view along the direction of A-A of the support frame for the warning device shown;

[0026] Among them, the above drawings include the following reference signs:

[0027] 100, support frame;

[0028] 1, center rod; 101, first stop protrusion; 102, second stop protrusion; 10, end cap; 11, main rod body; 111, first rod segment; 112, second rod segment;

[0029] 2, support rod;

[0030] 3, sleeve;

[0031] 4, connecting rod;

[0032] 5, elastic member;

[0033] 201, warning surface; 202, fluorescent component; 203, reflective component. DETAILED DESCRIPTION

[0034] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0035] As Figures 1 to 8The utility model provides a support frame for warning device, include: center pole 1, be provided with first stop protruding 101 and second stop protruding 102 on center pole 1, first stop protruding 101 and second stop protruding 102 are sequentially spaced apart along the direction of the first end of center pole 1 away from, a plurality of support poles 2, a plurality of support poles 2 are spaced apart along the circumference of center pole 1, and the first end of each support pole 2 is hinged with the first end of center pole 1, sleeve 3, sleeve 3 is sleeved on center pole 1 and is located between first stop protruding 101 and second stop protruding 102, and sleeve 3 is slidably arranged along center pole 1, a plurality of connecting rods 4, a plurality of connecting rods 4 are correspondingly arranged with a plurality of support poles 2, the first end of each connecting rod 4 is hinged with the middle part of corresponding support pole 2, and the second end of each connecting rod 4 is hinged with sleeve 3, so that a plurality of connecting rods 4 drive a plurality of support poles 2 to expand into a polygonal pyramid or contract into a bundle by the sliding of sleeve 3 on center pole 1, elastic element 5, elastic element 5 is sleeved on center pole 1 and is located between sleeve 3 and second stop protruding 102, so as to slide sleeve 3 along the direction of the first end of center pole 1 by the elastic action of elastic element 5.

[0036] The support frame for warning device of the utility model utilizes the principle that when the driven part transmission angle approaches zero, the effective torque of driving force on the driven part approaches zero, so that the control elastic element 5 supports the support frame to contract but does not act when storing force, and the support frame is opened but does not contract after the release of the elastic element 5. In this way, when the support frame contracts into a bundle, the support frame is at the first dead point position, can keep the contraction state by gravity without automatic springing open, and has a smaller volume, which is beneficial to storage in the containing space; when the contracted support frame is thrown out and automatically expands, the support frame is at the second dead point position, and each support pole 2 is not easy to compress, which is beneficial to display, and solves the problem that the triangular warning sign in the prior art needs to be manually expanded.

[0037] Specifically, the number of support poles 2 and connecting rods 4 is three, so as to expand into a triangular pyramid (regular quadrilateral) or contract into a bundle.

[0038] When the support frame contracts into a bundle, the support frame is at the first dead point position, can keep the contraction state by gravity without automatic springing open, and has a smaller volume, which is stored in the containing space; when the contracted support frame is thrown out and automatically expands, the support frame is at the second dead point position, and each support pole 2 is not easy to compress, which is beneficial to display, and solves the problem that the triangular warning sign in the prior art needs to be manually expanded.

[0039] As Figures 1 to 8As shown, the central rod 1 includes a main rod body 11 and an end cap 10 disposed at the first end of the main rod body 11. A first stop protrusion 101 is disposed in the middle of the main rod body 11, and a second stop protrusion 102 is disposed at the second end of the main rod body 11. The first end of each support rod 2 is hinged to the end cap 10, and the sleeve 3 and the elastic element 5 are both sleeved on the main rod body 11.

[0040] like Figures 1 to 8 As shown, the main rod body 11 includes a first rod segment 111 and a second rod segment 112 connected to each other. The first end of the first rod segment 111 is connected to the end cap 10, and the second end of the first rod segment 111 is connected to the first end of the second rod segment 112. A first stop protrusion 101 is provided at the second end of the first rod segment 111, and a second stop protrusion 102 is provided at the second end of the second rod segment 112. The sleeve 3 and the elastic element 5 are both sleeved on the second rod segment 112.

[0041] like Figures 1 to 8 As shown, the end cap 10 is provided with a first threaded hole, and the first end of the first rod segment 111 is provided with a first external thread. The first external thread is threadedly connected to the first threaded hole to connect the first end of the first rod segment 111 to the end cap 10.

[0042] like Figures 1 to 8 As shown, the second end of the first rod segment 111 is provided with a second threaded hole, and the first end of the second rod segment 112 is provided with a second external thread. The second external thread is threadedly connected to the second threaded hole to connect the first end of the second rod segment 112 to the second end of the first rod segment 111.

[0043] like Figures 1 to 8 As shown, the support frame includes multiple first connecting pins, which are arranged one-to-one with multiple support rods 2; multiple first pin seats are spaced apart on the outer circumferential surface of the end cap 10, which are arranged one-to-one with multiple first connecting pins; wherein, each first connecting pin is simultaneously inserted into the first end of the corresponding support rod 2 and the corresponding first pin seat.

[0044] like Figures 1 to 8 As shown, the support frame includes: multiple second connecting pins, each corresponding to a multiple support rod 2 and a multiple connecting rod 4, with a second pin seat on each support rod 2; wherein each second connecting pin simultaneously passes through the second pin seat on the corresponding support rod 2 and the first end of the corresponding connecting rod 4; and / or multiple third connecting pins, each corresponding to a multiple connecting rod 4, with multiple third pin seats spaced apart on the outer circumferential surface of the sleeve 3, each corresponding to a multiple third connecting pin; wherein each third connecting pin simultaneously passes through the second end of the corresponding connecting rod 4 and the corresponding third pin seat.

[0045] Specifically, the elastic element 5 is a compression spring.

[0046] The utility model further provides a warning device, including support frame 100 and cover in the flexible warning cover of support frame 100 outside, support frame 100 is the support frame for warning device above.

[0047] As Figure 9 The flexible warning cover includes a plurality of warning surfaces 201, which are arranged one-to-one corresponding to the plurality of outer surfaces of the polygonal pyramid. Each warning surface 201 is provided with a warning mark, which includes a fluorescent component 202 and a reflective component 203. In this way, the warning device of the utility model has a warning effect in any posture.

[0048] The warning device of the utility model is set as close as possible to the national standard, and can be placed between the rear bumper and license plate of a vehicle. The reflective angle of the fluorescent component 202 of each warning surface 201 is different from the requirement of the national standard, and the color and material of the fluorescent component 202 and the reflective component 203 are similar to the requirement of the national standard, so as to form a non-standard warning object that can be recognized by everyone.

[0049] Specifically, each warning surface 201 is a triangular surface with a side length of 45 cm and a hollow center, which is cut according to the national standard size. The fluorescent component 202 is an orange rainproof cloth, and the reflective component 203 is a red 3M sticker pasted on the corresponding orange rainproof cloth.

[0050] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects:

[0051] The utility model discloses a support frame for warning device includes: center pole 1 is provided with first stop protruding 101 and second stop protruding 102 on center pole 1, and first stop protruding 101 and second stop protruding 102 are sequentially spaced apart along the direction of the first end of center pole 1 away from, a plurality of support poles 2, a plurality of support poles 2 are spaced apart along the circumference of center pole 1, and the first end of each support pole 2 is hinged with the first end of center pole 1, sleeve 3 is sleeved on center pole 1 and is located between first stop protruding 101 and second stop protruding 102, and sleeve 3 is slidably arranged along center pole 1, a plurality of connecting rods 4, a plurality of connecting rods 4 are correspondingly arranged with a plurality of support poles 2, the first end of each connecting rod 4 is hinged with the middle part of the corresponding support pole 2, and the second end of each connecting rod 4 is hinged with sleeve 3, so as to make a plurality of connecting rods 4 drive a plurality of support poles 2 to expand into a polygonal pyramid or contract into a bundle through the sliding of sleeve 3 on center pole 1, elastic element 5, elastic element 5 is sleeved on center pole 1 and is located between sleeve 3 and second stop protruding 102, so as to push sleeve 3 to slide along the direction of the first end of center pole 1 through the elastic action of elastic element 5. The utility model discloses a support frame for warning device utilizes in the mechanism dead point vicinity, when the driven part transmission angle approaches zero, the principle that the effective torque of driving force approaches zero to the driven part, makes control elastic element 5 in the energy storage support frame contraction but does not act, after elastic element 5 release, support frame props open but does not contract. In this way, when the support frame contracts into a bundle, the support frame is at the first dead point position, can keep the contraction state by dead weight and will not automatically pop open, and the volume is smaller, is favorable to the storage in the containing space, when the contracted support frame is thrown out and automatically expands, the support frame is at the second dead point position, and each support pole 2 is not easy to compress by pressing, and it is favorable to display, solve the problem that the triangular warning sign of prior art needs manual expansion.

[0052] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments consistent with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0053] The foregoing description, for purposes of clarity, describes the present application in terms of its components, processes and operations. Such descriptions and representations are the means used by those skilled in the art of describing the structural and functional necessities of and changes to the present application, but are not meant to limit the present application to a particular embodiment. Also, the various embodiments of the present application presented are not necessarily the only ones in which the present application can be practiced. The embodiments presented are intended to convey the scope of the present application, its energy saving and cost saving advantages, and its intended advantages to those skilled in the art. Numerous adaptations and modifications can be practiced without departing from the scope of the present application. Accordingly, the scope of the present application is to be indicated by the appended claims, rather than by the foregoing description, and all changes that come within the meaning and range of equivalents are intended to be embraced therein.

[0054] In the description of the present application, it is to be understood that the specific locations of the components and the relative arrangement of the components and steps illustrated in the drawings are for purposes of illustration and description only, and that these locations and arrangements can be varied significantly without departing from the scope of the present application. Also, it is to be understood that the specific dimensions of the various parts, if shown, are to be understood not as limitations but as exemplifications of preferred embodiments. The terms "front," "back," "leading," "trailing" and the like, if used, are used for convenience only, and are not intended to be limiting.

[0055] For purposes of the description hereinafter, the terms "upper," "lower," "right," "left," "vertical," "horizontal," and the like, shall relate to the application as it is shown in the drawings and are used merely for purposes of description and illustration, and do not limit the present application to any particular position or orientation. The terms "in," "on" and "over" shall not, without further qualification, mean "directly" unless specifically stated otherwise. The terms "front," "back," "rear," "upper," "lower," "up," "down," "vertical," "horizontal," and the like, if used, are used for convenience and are not intended to imply any particular orientation of the application or to imply that the application must be used or constructed in that particular orientation. Terms concerning attachments, such as "connected," "attached," "supported," and the like, are not limited to direct attachments only or attachments without using intermediate means unless specifically stated otherwise.

[0056] It is to be understood that the use of relational terms such as "first," "second," "third," and the like, if used, do not limit the scope of the present application, unless otherwise specifically stated. Rather, these relational terms are only used herein to more describe and differentiate between different regions or components, and are not meant to denote or imply an actual relationship between the regions or components. It is also to be understood that the use of the singular includes the plural unless otherwise specifically stated.

[0057] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A support frame for a warning device, characterized in that, The utility model relates to a kind of multi-prism telescopic support, including: Center pole (1), first stop protrusion (101) and second stop protrusion (102) are provided on the center pole (1), the first stop protrusion (101) and the second stop protrusion (102) are sequentially spaced apart in the direction away from the first end of the center pole (1); A plurality of support rods (2) are circumferentially spaced apart around the center pole (1), the first end of each support rod (2) is hinged to the first end of the center pole (1); A sleeve (3) is sleeved on the center pole (1) and located between the first stop protrusion (101) and the second stop protrusion (102), the sleeve (3) is slidably arranged along the center pole (1); A plurality of connecting rods (4) are provided one-to-one corresponding to the plurality of support rods (2), the first end of each connecting rod (4) is hinged to the middle of the corresponding support rod (2), and the second end of each connecting rod (4) is hinged to the sleeve (3), so that the plurality of connecting rods (4) drive the plurality of support rods (2) to expand into a multi-prism or contract into a bundle by the sliding of the sleeve (3) on the center pole (1); A resilient member (5) is sleeved on the center pole (1) and located between the sleeve (3) and the second stop protrusion (102), so as to push the sleeve (3) to slide in the direction close to the first end of the center pole (1) by the elastic action of the resilient member (5).

2. The support frame of claim 1, wherein The center pole (1) includes a main rod body (11) and an end cap (10) provided at the first end of the main rod body (11), the first stop protrusion (101) is provided at the middle of the main rod body (11), and the second stop protrusion (102) is provided at the second end of the main rod body (11); wherein the first end of each support rod (2) is hinged to the end cap (10), and the sleeve (3) and the resilient member (5) are sleeved on the main rod body (11).

3. The support frame of claim 2, wherein, The main rod body (11) includes a first rod segment (111) and a second rod segment (112) connected, the first end of the first rod segment (111) is connected with the end cap (10), the second end of the first rod segment (111) is connected with the first end of the second rod segment (112), the first stop protrusion (101) is provided at the second end of the first rod segment (111), the second stop protrusion (102) is provided at the second end of the second rod segment (112), and the sleeve (3) and the resilient member (5) are sleeved on the second rod segment (112).

4. The support frame of claim 3, wherein, The end cap (10) is provided with a first threaded hole, the first end of the first rod segment (111) is provided with a first external thread, and the first external thread is threadedly connected with the first threaded hole to connect the first end of the first rod segment (111) with the end cap (10).

5. The support frame of claim 3, wherein The second end of the first rod section (111) is provided with a second threaded hole, and the first end of the second rod section (112) is provided with a second external thread which is threadedly connected with the second threaded hole to connect the first end of the second rod section (112) with the second end of the first rod section (111).

6. The support frame according to claim 2, characterized in that, the support frame comprises a plurality of first connecting pins which are provided in one-to-one correspondence with the plurality of support rods (2); the outer peripheral surface of the end cap (10) is provided with a plurality of first pin seats which are provided in one-to-one correspondence with the plurality of first connecting pins; wherein each of the first connecting pins is simultaneously arranged on the first end of the corresponding support rod (2) and the corresponding first pin seat.

7. The support frame of claim 1, wherein the support frame comprises: a plurality of second connecting pins which are provided in one-to-one correspondence with the plurality of support rods (2) and the plurality of connecting rods (4), and each of the support rods (2) is provided with a second pin seat; wherein each of the second connecting pins is simultaneously arranged on the second pin seat on the corresponding support rod (2) and the first end of the corresponding connecting rod (4); and / or a plurality of third connecting pins which are provided in one-to-one correspondence with the plurality of connecting rods (4), and the outer peripheral surface of the sleeve (3) is provided with a plurality of third pin seats which are provided in one-to-one correspondence with the plurality of third connecting pins; wherein each of the third connecting pins is simultaneously arranged on the second end of the corresponding connecting rod (4) and the corresponding third pin seat.

8. The support frame of any one of claims 1 to 7, wherein, The elastic member (5) is a compression spring.

9. A warning device, characterized in that The support frame (100) is the support frame for a warning device according to any one of claims 1 to 8.

10. The warning device of claim 9, wherein, The flexible warning cover comprises a plurality of warning surfaces (201) which are provided in one-to-one correspondence with the plurality of outer surfaces of the plurality of prisms, and each of the warning surfaces (201) is provided with a warning mark which comprises a fluorescent component (202) and a reflective component (203).

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