Foldable connecting rod structure and foldable advertising frame

Abstract

The present application relates to the technical field of advertising frames, and in particular to a foldable connecting rod structure and a foldable advertising frame. The foldable connecting rod structure comprises a plurality of sections of profile assemblies and connecting assemblies; a connecting assembly is arranged between every two adjacent profile assemblies; the profile assemblies each consist of a plurality of layers of profiles alternately connected to each other end to end; a clearance area for each connecting assembly is arranged on the edge of an end surface of the corresponding profile assembly; the connecting assemblies each comprise a first connecting member, a second connecting member and a scissor-type connecting member; the first connecting member and the second connecting member are respectively connected to the adjacent profile assemblies; and the scissor-type connecting member is connected to the first connecting member and the second connecting member. The profile assemblies of the foldable connecting rod structure each consist of a plurality of layers of profiles alternately connected to each other end to end, ensuring the strength of the whole structure. The edge of the end surface of each profile assembly is provided with a clearance area for the corresponding connecting assembly, so that the overall effect is good after the connecting assemblies and the profile assemblies are mounted. In each connecting assembly, a first connecting member is connected to a second connecting member by means of a scissor-type connecting member, providing convenient connection, and achieving a good folding effect.

Description

Folding connecting rod structure and folding advertising stand TECHNICAL FIELD

[0001] The utility model relates to advertising stand technical field, especially a kind of folding connecting rod structure and folding advertising stand. BACKGROUND

[0002] Advertising stand is a kind of support structure for showing advertising picture, usually made of metal or plastic material, with multiple types and forms, its main function is fixed and show advertising picture, play the role of propaganda and information transmission. Considering the convenience of carrying, transportation and storage, more and more folding advertising stands are used in the market, however, the existing folding advertising stand mostly realizes by the hinged mode between telescopic rod or connecting rod, can only show smaller advertising picture, for large advertising picture, the structural stability of these folding advertising stands cannot be guaranteed, and the folding effect is poor. SUMMARY

[0003] The utility model solves the technical problems that: in order to solve the problems of prior art in the above background, provide a kind of folding connecting rod structure.

[0004] The utility model solves the technical problems and adopts the technical scheme that: a kind of folding connecting rod structure, including several sections profile components and connecting components, connecting component is equipped between adjacent profile components, the profile component is connected by several layers profile first and last alternately, and the end surface rim of profile component is equipped with the avoidance area of connecting component, the connecting component includes first connecting piece, second connecting piece and scissor type connecting piece, the first connecting piece and second connecting piece are connected with adjacent profile component respectively, and the scissor type connecting piece connects first connecting piece and second connecting piece.

[0005] Further, the first connecting piece includes first support part and first rod part, the first support part has inner cavity, first mounting plate is fixed in the inner cavity, first arc-shaped guide slot is formed in the first mounting plate, and the first rod part is inserted into the through hole of profile component and matched with the through hole.

[0006] Further, the second connecting piece includes second support part and second rod part, the second support part has inner cavity, second mounting plate is fixed in the inner cavity, second arc-shaped guide slot is formed in the second mounting plate, and the second rod part is inserted into the through hole of profile component and matched with the through hole.

[0007] Furthermore, the scissor-type connector includes two first scissor forks and two second scissor forks that are axially connected together, with the first and second scissor forks spaced apart. One end of each of the two first scissor forks is axially connected to a second mounting plate, and the other end of each of the two first scissor forks is connected to a first guide shaft located within a first arc-shaped guide groove. One end of each of the two second scissor forks is axially connected to a first mounting plate, and the other end of each of the two second scissor forks is connected to a second guide shaft located within a second arc-shaped guide groove.

[0008] Furthermore, the profile assembly includes an inner supporting profile group and connecting profiles symmetrically arranged on both sides of the supporting profile group. The supporting profile group has an even number of supporting profiles, which are connected end to end, and one end of the two outermost supporting profiles is respectively hinged to one end of the connecting profiles on both sides.

[0009] Furthermore, adjacent supporting profiles are connected by a third connector, which includes a first upright plate, a second upright plate, and a connecting block assembly, the connecting block assembly being connected to one end of the first upright plate and the second upright plate.

[0010] Furthermore, the connecting block group includes a first connecting block, a second connecting block, a third connecting block, and a fourth connecting block arranged in sequence. All four connecting blocks have an inverted C-shaped structure and are connected together in the middle. The first connecting block and the third connecting block have the same structure, and their two ends are connected to the first upright plate and the second upright plate, respectively. The second connecting block and the fourth connecting block are the same, and their two ends are connected to the first upright plate and the second upright plate, respectively.

[0011] Furthermore, the supporting profile and the connecting profile are connected by a fourth connector, which includes a connecting block I and a connecting block II. The connecting block I consists of a first covering part, a first hinge part, and a first connecting rod part covering one end of the connecting profile. The first connecting rod part cooperates with the through hole of the connecting profile. The connecting block II consists of a second covering part, a second hinge part, and a second connecting rod part covering one end of the supporting profile. The second hinge part intersects with the first hinge part, and the second connecting rod part cooperates with the through hole of the supporting profile.

[0012] Furthermore, the first and second rods are both provided with raised strips, and the outer surfaces of the connecting assembly and the profile assembly are on the same horizontal plane.

[0013] A folding advertising rack is also provided, including the folding connecting rod structure described in the above solution.

[0014] The utility model discloses a beneficial effect: the section bar assembly of the folding connecting rod structure of the utility model is formed by the head-to-tail connection of several layers of section bars, guarantees the strength of whole structure, the end face rim of section bar assembly is provided with the avoidance area of connecting assembly, makes connecting assembly and section bar assembly after installation have no sense of violation, and the whole effect is good, connecting assembly includes first connecting piece, second connecting piece and scissor type connecting piece, scissor type connecting piece connects first connecting piece and second connecting piece, and the folding effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in connection with the drawings and examples.

[0016] Fig. 1 is the structural schematic diagram of the utility model embodiment one.

[0017] Fig. 2 is the structural schematic diagram of connecting assembly in the utility model embodiment one.

[0018] Fig. 3 is the explosion map of Fig. 2.

[0019] Fig. 4 is the structural schematic diagram of section bar assembly in the utility model embodiment one.

[0020] Fig. 5 is the structural schematic diagram of third connecting piece in Fig. 3.

[0021] Fig. 6 is the structural schematic diagram of fourth connecting piece in Fig. 3.

[0022] Fig. 7 is the structural schematic diagram of the utility model embodiment two.

[0023] Fig. 8 is the explosion map of Fig. 7.

[0024] Fig. 9 is the unfolding process diagram of Fig. 7.

[0025] Fig. 10 is the whole unfolding diagram of Fig. 7.

[0026] In the figure: 1, profile assembly; 10, avoidance area; 11, support profile; 12, connecting profile; 13, third connecting piece; 131, first vertical plate; 132, second vertical plate; 133, connecting block group; 1331, first connecting block; 1332, second connecting block; 1333, third connecting block; 1334, fourth connecting block; 14, fourth connecting piece; 141, connecting block I; 1411, first covering part; 1412, first hinged part; 1413, first connecting rod part; 142, connecting block II; 1421, second covering part; 1422, second hinged part; 1423, second connecting rod part; 2, connecting assembly; 21, first connecting piece; 211, first support part; 212, first rod part; 213, first mounting plate; 2131, first arc-shaped guide groove; 22, second connecting piece; 221, second support part; 222, second rod part; 223, second mounting plate; 2231, second arc-shaped guide groove; 23, scissor connecting piece; 231, first scissor; 232, second scissor; 233, first guide shaft; 234, second guide shaft; 200, convex strip; 4, vertical rod; 5, horizontal rod; 6, rotating connecting piece; 7, fixed connecting piece. DETAILED DESCRIPTION

[0027] The utility model will be explained in further detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic way, so it only shows the structure related to the utility model.

[0028] As shown in Fig. 1, a folding connecting rod structure comprises several profile assemblies 1 and connecting assemblies 2, the connecting assemblies 2 are arranged between adjacent profile assemblies 1, the profile assemblies 1 are connected by several layers of profiles alternately, the end surface edge of the profile assembly 1 is provided with an avoidance area 10 of the connecting assembly 2, the connecting assembly 2 comprises a first connecting piece 21, a second connecting piece 22 and a scissor connecting piece 23, the first connecting piece 21 and the second connecting piece 22 are connected with adjacent profile assemblies 1 respectively, and the scissor connecting piece 23 connects the first connecting piece 21 and the second connecting piece 22.

[0029] As shown in Figure 2, the first connector 21 includes a first support portion 211 and a first rod portion 212. The first support portion 211 has an inner cavity, in which a first mounting plate 213 is fixed. The first mounting plate 213 has a first arc-shaped guide groove 2131. The first rod portion 212 is inserted into and mates with the through hole of the profile assembly 1. The second connector 22 includes a second support portion 221 and a second rod portion 222. The second support portion 221 has an inner cavity, in which a second mounting plate 223 is fixed. The second mounting plate 223 has a second arc-shaped guide groove 2231. The second rod portion 222 is inserted into and mates with the through hole of the profile assembly 1. The first rod portion 212 and the second rod portion 222 are evenly distributed with protrusions 200. The outer surfaces of the connector 2 and the profile assembly 1 are on the same horizontal plane.

[0030] As shown in Figure 3, the scissor-type connector 23 includes two first scissor forks 231 and two second scissor forks 232 that are axially connected together, with the first scissor forks 231 and the second scissor forks 232 spaced apart. One end of each of the two first scissor forks 231 is axially connected to the second mounting plate 223, and the other end of each of the two first scissor forks 231 is connected to a first guide shaft 233, which is located within the first arc-shaped guide groove 2131. One end of each of the two second scissor forks 232 is axially connected to the first mounting plate 213, and the other end of each of the two second scissor forks 232 is connected to a second guide shaft 234, which is located within the second arc-shaped guide groove 2231.

[0031] As shown in Figure 4, the profile assembly 1 includes an inner supporting profile group and connecting profiles 12 symmetrically arranged on both sides of the supporting profile group. The supporting profile group has four supporting profiles 11 (two are also possible, but six would be too many, with four being the preferred option). The four supporting profiles 11 are connected end to end, and one end of the two outermost supporting profiles 11 is hinged to one end of the connecting profiles 12 on both sides. Specifically, adjacent supporting profiles 11 are connected by a third connector 13, and the supporting profiles 11 and connecting profiles 12 are connected by a fourth connector 14.

[0032] As shown in Figure 5, the third connector 13 includes a first upright plate 131, a second upright plate 132, and a connecting block assembly 133. The connecting block assembly 133 is connected to one end of the first upright plate 131 and the second upright plate 132. The connecting block assembly 133 includes a first connecting block 1331, a second connecting block 1332, a third connecting block 1333, and a fourth connecting block 1334 arranged sequentially. All four connecting blocks have an inverted C-shaped structure, and the four connecting blocks are connected together in the middle. The first connecting block 1331 and the third connecting block 1333 have the same structure, and their two ends are connected to the first upright plate 131 and the second upright plate 132, respectively. The second connecting block 1332 and the fourth connecting block 1334 are the same, and their two ends are connected to the first upright plate 131 and the second upright plate 132, respectively.

[0033] As shown in Figure 6, the fourth connector 14 includes a connecting block I 141 and a connecting block II 142. The connecting block I 141 consists of a first covering part 1411 covering one end of the connecting profile 12, a first hinge part 1412, and a first connecting rod part 1413. The first connecting rod part 1413 cooperates with the through hole of the connecting profile 12. The connecting block II 142 consists of a second covering part 1421 covering one end of the supporting profile 11, a second hinge part 1422, and a second connecting rod part 1423. The second hinge part 1422 intersects with the first hinge part 1412, and the second connecting rod part 1423 cooperates with the through hole of the supporting profile 11.

[0034] Example 3

[0035] As shown in Figure 7, a folding advertising frame includes the folding connecting rod structure of Embodiment 1. As shown in Figure 8, the folding advertising frame consists of two uprights 4 and multiple sets of crossbars 5. There are generally two or more sets of crossbars 5, which are connected by rotating connectors 6. The crossbars 5 are connected to the uprights 4 by fixed connectors 7. As shown in Figure 9, the folding advertising frame is slowly opened by pulling one or both uprights 4 until the rotating connectors 6 are rotated to their maximum position, as shown in Figure 10, transforming it into a rectangular frame structure.

[0036] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A folding connecting rod structure, characterized in that: It includes several profile components (1) and connecting components (2). A connecting component (2) is provided between adjacent profile components (1). The profile component (1) is formed by connecting several layers of profiles end to end alternately. The end face edge of the profile component (1) is provided with a clearance area (10) of the connecting component (2). The connecting component (2) includes a first connector (21), a second connector (22) and a scissor connector (23). The first connector (21) and the second connector (22) are respectively connected to adjacent profile components (1). The scissor connector (23) is connected to the first connector (21) and the second connector (22).

2. The folding connecting rod structure according to claim 1, characterized in that: The first connector (21) includes a first support part (211) and a first rod part (212). The first support part (211) has an inner cavity, and a first mounting plate (213) is fixed in the inner cavity. A first arc-shaped guide groove (2131) is provided on the first mounting plate (213). The first rod part (212) is inserted into the through hole of the profile assembly (1) and cooperates with the through hole.

3. The folding connecting rod structure according to claim 2, characterized in that: The second connector (22) includes a second support part (221) and a second rod part (222). The second support part (221) has an inner cavity, and a second mounting plate (223) is fixed in the inner cavity. A second arc-shaped guide groove (2231) is provided on the second mounting plate (223). The second rod part (222) is inserted into the through hole of the profile assembly (1) and cooperates with the through hole.

4. The folding connecting rod structure according to claim 3, characterized in that: The scissor connector (23) includes two first scissor forks (231) and two second scissor forks (232) that are axially connected together, and the first scissor forks (231) and the second scissor forks (232) are spaced apart. One end of the two first scissor forks (231) is axially connected to the second mounting plate (223), and the other end of the two first scissor forks (231) is connected to a first guide shaft (233), which is located in the first arc-shaped guide groove (2131). One end of the two second scissor forks (232) is axially connected to the first mounting plate (213), and one end of the two second scissor forks (232) is connected to a second guide shaft (234), which is located in the second arc-shaped guide groove (2231).

5. The folding connecting rod structure according to claim 1, characterized in that: The profile assembly (1) includes an inner supporting profile group and connecting profiles (12) located on both sides of the supporting profile group and symmetrically arranged. The supporting profile group is provided with an even number of supporting profiles (11), the even number of supporting profiles (11) are connected end to end, and one end of the two outermost supporting profiles (11) is respectively hinged to one end of the connecting profiles (12) on both sides.

6. The folding connecting rod structure according to claim 5, characterized in that: The adjacent support profiles (11) are connected by a third connector (13), which includes a first upright plate (131), a second upright plate (132) and a connecting block assembly (133), which is connected to one end of the first upright plate (131) and the second upright plate (132).

7. The folding linkage structure of claim 6, wherein: The connecting block group (133) includes a first connecting block (1331), a second connecting block (1332), a third connecting block (1333), and a fourth connecting block (1334) arranged in sequence. All four connecting blocks have an inverted C-shaped structure and are connected together in the middle. The first connecting block (1331) and the third connecting block (1333) have the same structure, and their two ends are connected to the first upright plate (131) and the second upright plate (132) respectively. The second connecting block (1332) and the fourth connecting block (1334) are the same, and their two ends are connected to the first upright plate (131) and the second upright plate (132) respectively.

8. The folding connecting rod structure according to claim 5, characterized in that: The supporting profile (11) and the connecting profile (12) are connected by a fourth connector (14). The fourth connector (14) includes a connecting block I (141) and a connecting block II (142). The connecting block I (141) is composed of a first covering part (1411), a first hinge part (1412) and a first connecting rod part (1413) covering one end of the connecting profile (12). The first connecting rod part (1413) cooperates with the through hole of the connecting profile (12). The connecting block II (142) is composed of a second covering part (1421), a second hinge part (1422) and a second connecting rod part (1423) covering one end of the supporting profile (11). The second hinge part (1422) intersects with the first hinge part (1412), and the second connecting rod part (1423) cooperates with the through hole of the supporting profile (11).

9. The folding connecting rod structure according to claim 2, characterized in that: The first rod portion (212) and the second rod portion (222) are evenly distributed with protrusions (200), and the outer surface of the connecting component (2) and the profile component (1) are on the same horizontal plane.

10. A folding advertising rack, characterized in that: It includes the folding connecting rod structure as described in any one of claims 1 to 9.

Images