Frame connecting piece and exhibition stand

Abstract

The utility model relates to the technical field of exhibition stand building, in particular to a frame connecting piece and an exhibition stand, the frame connecting piece comprises a base, a first tongue piece, a second tongue piece and a bolt, and the first tongue piece penetrates through a wall hole of a component; the second tongue piece penetrates through the wall hole of the other component; according to the frame connecting piece, by means of the design of the first tongue piece and the second tongue piece, two components can be connected through the frame connecting piece in an inserted connection mode, screw-free rapid splicing is achieved, the splicing process is very simple, and more importantly, the frame connecting piece can be used for connecting the two components in an inserted connection mode. When the second component is inserted, due to the design of the inserted pin, the first tongue piece cannot be separated from the wall hole of the first component, it is ensured that the components and the frame connecting piece can be disassembled one by one in order, the stability of connection between the components and the frame connecting piece is also improved, and the beneficial effects of being convenient to operate, high in assembling speed, good in stability and the like are achieved.

Description

Technical Field

[0001] This utility model relates to the field of exhibition booth construction technology, and in particular to a frame connector and an exhibition booth including the frame connector. Background Technology

[0002] With increasing market competition, booth construction is paying more and more attention to personalized and customized services, requiring the assembly of several frames on-site to form the desired booth.

[0003] Currently, the connection between booth frames on the market is generally achieved by using fasteners such as screws to connect adjacent frames. For example, the method described in publication number CN203168628U involves passing a support column with a screw through a through hole on the side of two adjacent frames. The screw is then tightened with a nut that fits into the corresponding through hole on the side of one of the frames, thus securing the two adjacent frames. However, since this method still requires tightening the nut when assembling the frame on-site, the splicing speed is relatively slow.

[0004] Therefore, this patent aims to provide a frame connector and exhibition stand with fewer operation steps and faster assembly speed. Utility Model Content

[0005] The technical problem to be solved by this utility model is: in order to solve the problem of slow assembly speed of the frame of the exhibition stand in the prior art, a frame connector is provided, and an exhibition stand including the above-mentioned frame connector is also provided.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a frame connector for connecting two components with wall holes, wherein the part of the component located on one side of the wall hole is the connecting part, and the frame connector includes:

[0007] The base has a first sidewall and a second sidewall on its outer surface;

[0008] The first tongue has a fixed end that is fixed to the first side wall and a free end. The first tongue is bent to form a first groove between the first tongue and the first side wall. When the first tongue passes through a wall hole of a component, the first groove receives the connecting part.

[0009] The second tongue has a fixed end that is fixed to the second side wall and a free end. The second tongue is bent to form a second groove between the second tongue and the second side wall. When the second tongue passes through the wall hole of another component, the second groove receives the connecting part.

[0010] And a pin, which is elastically telescopically or fixedly installed on the first side wall and protrudes outward from the first side wall. When the connecting part of the component is located in the first slot, the pin is inserted into the limiting hole of the component where the first slot is located.

[0011] Furthermore, the portion of the first slot located at the free end of the first tongue is the first groove, and the portion of the second slot located at the free end of the second tongue is the second groove, with the second groove of the second slot facing upwards.

[0012] Furthermore, the upper end of the first tongue is a fixed end, and the lower end of the first tongue is a free end;

[0013] The upper end of the second tongue is a free end, and the lower end of the second tongue is a fixed end.

[0014] Furthermore, at least two first tongues are arranged at intervals along the vertical direction on the first sidewall, and the first tongues are all located below the pin. The end of the pin away from the base is a rotating body, and the cross-section of the rotating body gradually decreases along the direction from the base to the rotating body.

[0015] The second sidewall has at least two second tongues spaced apart along the vertical direction.

[0016] Furthermore, the base has a central hole, and a through hole extends outward from the wall of the central hole, through which the pin passes;

[0017] An elastic element is provided inside the central hole to force the pin to move away from the central hole. One end of the elastic element is connected to the pin, and the other end is connected to the base.

[0018] Furthermore, the elastic element is a flexible, bent metal sheet, one end of which is fixedly connected to the pin or integrally formed, and the other end abuts against the inner wall of the central hole.

[0019] Furthermore, the first sidewall and the second sidewall are arranged adjacent to or opposite to each other.

[0020] Furthermore, both the first tongue and the second tongue are elastic spring plates.

[0021] Furthermore, the first tongue elastically presses against the connecting part of the component to which it is located, and the second tongue also elastically presses against the connecting part of the component to which it is located.

[0022] Furthermore, the first tongue has a first fixed section, a first outer curved section and a first inner curved section. The first fixed section is the fixed section of the first tongue. One end of the first outer curved section is connected to the first fixed section and the other end is connected to the first inner curved section. The middle part of the first outer curved section protrudes in a direction away from the first sidewall, and the middle part of the first inner curved section protrudes in a direction close to the first sidewall.

[0023] The second tongue has a second fixed section, a second outer curved section and a second inner curved section. The second fixed section is the fixed section of the second tongue. One end of the second outer curved section is connected to the second fixed section and the other end is connected to the second inner curved section. The middle part of the second outer curved section protrudes away from the second sidewall, and the middle part of the second inner curved section protrudes towards the second sidewall.

[0024] Furthermore, the first outer bend, the first inner bend, the second outer bend, and the second inner bend are all arc-shaped;

[0025] The center of the first outer bend is located on the side of the first outer bend closer to the first sidewall, and the center of the first inner bend is located on the side of the first inner bend away from the first sidewall.

[0026] The center of the second outer bend is located on the side of the second outer bend closer to the second sidewall, and the center of the second inner bend is located on the side of the second inner bend away from the second sidewall.

[0027] Furthermore, two first flanges protrude from the first sidewall, and the first tongue is located between the two first flanges;

[0028] The second sidewall protrudes with two second stops, and the second tongue is located between the two second stops.

[0029] This utility model also provides a display stand, including the aforementioned frame connector.

[0030] Furthermore, it also includes several interlocking borders, with the frame connectors configured between adjacent borders;

[0031] The frame is a component with a wall hole and a connecting part, and the connecting part is formed between the inner wall surface and the outer wall surface of the frame in one side area of ​​the wall hole.

[0032] The limiting hole is provided on the outer wall surface of the frame.

[0033] The beneficial effects of this utility model are as follows: The frame connector of this utility model utilizes the design of the first tongue and the second tongue, thereby enabling the frame connector to connect two components by plugging them in, achieving screwless and rapid assembly. The assembly process is also very simple. More importantly, when plugging in the second component, due to the design of the plug, the first tongue will not detach from the wall hole of the first component, ensuring that the components and the frame connector can be disassembled one by one in an orderly manner. This also improves the stability of the connection between the components and the frame connector. It has the advantages of convenient operation, fast assembly speed, and good stability.

[0034] Other features and advantages of this application will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0035] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0036] Figure 1 This is a cross-sectional view of the frame connectors;

[0037] Figure 2 This is a 3D schematic diagram of one side of the frame connector;

[0038] Figure 3 This is a 3D schematic diagram of the other side of the frame connector;

[0039] Figure 4 It is a three-dimensional schematic diagram of the component;

[0040] Figure 5 This is a cross-sectional view of two components connected by a frame connector.

[0041] Figure 6 This is an exploded view of the frame connector located between two components.

[0042] In the figure: 1. First tongue piece, 11. First fixed section, 12. First outer curved section, 13. First inner curved section, 1-1. First slot, 1-1a. First groove opening;

[0043] 2. Second tongue piece; 21. Second fixed section; 22. Second outer curved section; 23. Second inner curved section; 2-1. Second slot; 2-1a. Second groove opening;

[0044] 3. Base; 31. First sidewall; 32. Second sidewall; 33. Center hole; 34. Through hole; 35. First retaining edge; 36. Second retaining edge;

[0045] 4. Bolt;

[0046] 5. Elastic elements;

[0047] 6. Components, 6-1. Wall opening, 6-2. Connecting part, 6-3. Limiting hole, 6a. Frame. Detailed Implementation

[0048] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention. Therefore, they only show the components relevant to the present invention. Orientations and references (e.g., up, down, left, right, etc.) are only used to aid in the description of the features in the drawings. Therefore, the following specific embodiments are not intended to be restrictive, and the scope of the claimed subject matter is defined solely by the appended claims and their equivalents.

[0049] like Figure 1-6 As shown, a frame connector is used to connect two components 6 with wall holes 6-1. The part of the component 6 located on one side of the wall hole 6-1 is the connecting part 6-2. For example, the connecting part 6-2 is formed between the inner wall surface and the outer wall surface of the component 6 located on one side of the wall hole 6-1. Alternatively, a metal sheet is fixed to one side of the component 6 as the connecting part 6-2, and a gap is left between the metal sheet and the component 6 to form the wall hole 6-1.

[0050] The frame connector includes a base 3, a first tongue 1, a second tongue 2, and a pin 4.

[0051] The outer surface of the base 3 has a first sidewall 31 and a second sidewall 32. The first sidewall 31 and the second sidewall 32 are arranged adjacent to or opposite to each other. The cross-section of the base 3 can be, but is not limited to, a square, a polygon or a circle. The first sidewall 31 and the second sidewall 32 are adjacent to each other, which means that one end of the first sidewall 31 and one end of the second sidewall 32 intersect.

[0052] One end of the first tongue 1 is a fixed end fixed to the first side wall 31, and the other end is a free end. The fixed end of the first tongue 1 can be fixedly connected to the first side wall 31 of the base 3 by means of screw connection, riveting connection or welding. The first tongue 1 is bent to form a first groove 1-1 between the first tongue 1 and the first side wall 31. When the first tongue 1 passes through the wall hole 6-1 of a component 6, the first groove 1-1 receives the connecting part 6-2.

[0053] One end of the second tongue 2 is a fixed end fixed to the second side wall 32, and the other end is a free end. The fixed end of the second tongue 2 can be fixedly connected to the first side wall 31 of the base 3 by means of screw connection, riveting connection or welding. The second tongue 2 is bent to form a second groove 2-1 between the second tongue 2 and the second side wall 32. When the second tongue 2 passes through the wall hole 6-1 of another component 6, the second groove 2-1 receives the connecting part 6-2.

[0054] The pin 4 is elastically telescopically or fixedly installed on the first side wall 31 and protrudes outward from the first side wall 31. When the connecting part 6-2 of the component 6 is located in the first slot 1-1, the pin 4 is inserted into the limiting hole 6-3 of the component 6 where the first slot 1-1 is located.

[0055] In this embodiment, the frame connector first inserts the first tongue 1 into the wall hole 6-1 of the first component 6, so that the first slot 1-1 receives the connecting part 6-2 of the first component 6. The first tongue 1 hooks the connecting part 6-2 of the first component 6, and the pin 4 is correspondingly inserted into the limiting hole 6-3 of the first component 6 to lock the base 3 to the first component 6. Then, the wall hole 6-1 of the second component 6 is aligned with the second tongue 2, and the second component 6 is moved so that the second tongue 2 is inserted into the wall hole 6-1 of the second component 6. The second slot 2-1 then receives the first tongue 2. The connecting part 6-2 of the two components 6 is hooked by the second tongue 2, so that the frame connector can connect the two components 6 by plugging in, realizing screwless quick assembly, and the assembly process is also very simple. More importantly, when the pin 4 is inserted into the second component 6, due to the design of the pin 4, the first tongue 1 will not detach from the wall hole 6-1 of the first component 6, ensuring that the components 6 and the frame connector can be disassembled one by one in an orderly manner, and also improving the stability of the connection between the components 6 and the frame connector.

[0056] In some examples, the portion of the first slot 1-1 located at the free end of the first tongue 1 is the first slot opening 1-1a, and the portion of the second slot 2-1 located at the free end of the second tongue 2 is the second slot opening 2-1a. The first slot opening 1-1a of the first slot 1-1 and the second slot opening 2-1a of the second slot 2-1 can both face any direction. Of course, the orientation of the first slot opening 1-1a of the first slot 1-1 and the orientation of the second slot opening 2-1a of the second slot 2-1 can be opposite or the same. Specifically, when the second slot opening 2-1a of the second slot 2-1 faces upward, the insertion between the component 6 and the second tongue 2 can be achieved by roughly moving up and down, which facilitates the application of force during loading and unloading. At the same time, the second tongue 2 can support the connecting part 6-2 of the component 6. When the second slot opening 2-1a of the second slot 2-1 faces upward, the first slot opening 1-1a of the first slot 1-1 can face any direction, such as up and down, front and back, or left and right.

[0057] In some examples, the upper end of the first tongue 1 is a fixed end and the lower end of the first tongue 1 is a free end, that is, the first slot 1-1a of the first slot 1-1 faces downward;

[0058] The upper end of the second tongue 2 is a free end, and the lower end of the second tongue 2 is a fixed end, that is, the second slot 2-1a of the second slot 2-1 faces downward;

[0059] This allows both the first tongue 1 and the second tongue 2 to be inserted into the component 6 by moving roughly up and down. One component 6 can support the first tongue 1 upwards, and the second tongue 2 can support the other component 6 upwards, making the connection more secure. It also allows the component 6 connected to the second tongue 2 to be suspended in mid-air.

[0060] In some examples, at least two first tongues 1 are arranged at intervals along the vertical direction on the first sidewall 31 to improve the connection strength. The first tongues 1 are all located below the pin 4. The end of the pin 4 away from the base 3 is a rotating body. The cross-section of the rotating body gradually decreases along the direction from the base to the rotating body. The generatrix of the rotating body can be an arc or a diagonal line, for example, the rotating body is conical, hemispherical, spherical crown, or spherical cap. In this way, when disassembling the pin 4, the pin 4 can be pulled outward to reach the state of disengagement or imminent disengagement from the limiting hole 6-3. Then, the base 3 is moved upward to remove the base 3 from the component 6. When the pin 4 is about to disengage from the limiting hole 6-3, as the base 3 moves upward, the conical, hemispherical, spherical crown, or spherical cap end of the pin 4 will guide the pin 4 to disengage from the limiting hole 6-3.

[0061] The second sidewall 32 has at least two second tongues 2 spaced apart in the vertical direction to improve the connection strength.

[0062] In some examples, the base 3 has a central hole 33, and the wall of the central hole 33 has a through hole 34 extending outward, through which the pin 4 passes;

[0063] An elastic element 5 is provided inside the central hole 33 to force the pin 4 to move away from the central hole 33. One end of the elastic element 5 is connected to the pin 4 and the other end is connected to the base 3. When an external force causes the pin 4 to retract, the elastic element 5 is compressed. When the external force is removed, the elastic element 5 pushes the pin 4 to the limit position of outward extension. The central hole 33 on the base 3 can save materials, reduce weight, and provide enough space to install a longer elastic element 5.

[0064] The elastic element 5 is a flexible, bendable metal sheet. One end of the metal sheet is fixedly connected to the pin 4 or integrally formed, and the other end abuts against the inner wall of the central hole 33. Specifically, the end of the metal sheet that is fixed to the pin 4 can also abut against the inner wall of the central hole 33. That is, when the end of the metal sheet that is fixed to the pin 4 abuts against the inner wall of the central hole 33, the pin 4 is in the extreme position of extending outward.

[0065] In some examples, the first tongue 1 and the second tongue 2 are both elastic springs. The material of the springs can be, but is not limited to, metal. The springs can be easily inserted into or removed from the wall hole 6-1.

[0066] The first tongue 1 elastically presses against the connecting part 6-2 of the component 6 it is located in, and the second tongue 2 also elastically presses against the connecting part 6-2 of the component 6 it is located in. In this way, the gap between the component 6 and the base 3 can be eliminated or reduced, and the stability of the connection can be improved.

[0067] In some examples, the first tongue 1 has a first fixed section 11, a first outer curved section 12, and a first inner curved section 13. The first inner curved section 13 serves as the free end of the first tongue 1. The first fixed section 11, the first outer curved section 12, and the first inner curved section 13 can be integrally formed. The first fixed section 11 is the fixed end of the first tongue 1. One end of the first outer curved section 12 is connected to the first fixed section 11. The first fixed section 11 and the first outer curved section 12 can be connected by an arc. The other end of the first outer curved section 12 is connected to the first inner curved section 13. The middle part of the first outer curved section 12 protrudes in a direction away from the first sidewall 31, and the middle part of the first inner curved section 13 protrudes in a direction close to the first sidewall 31, thereby improving the elastic performance of the first tongue 1. The protruding middle part of the first inner curved section 13 also easily presses down on the connecting part 6-2 of the component 6.

[0068] The second tongue 2 has a second fixed section 21, a second outer curved section 22, and a second inner curved section 23. The second inner curved section 23 serves as the free end of the second tongue 2, the second fixed section 21 serves as the fixed end of the second tongue 2, one end of the second outer curved section 22 is connected to the second fixed section 21, and the second fixed section 21 and the second outer curved section 22 can be connected by an arc. The other end of the second outer curved section 22 is connected to the second inner curved section 23. The middle part of the second outer curved section 22 protrudes away from the second side wall 32, and the middle part of the second inner curved section 23 protrudes towards the second side wall 32, thereby improving the elasticity of the first tongue 1. The protruding middle part of the second inner curved section 23 also easily presses down on the connecting part 6-2 of the component 6.

[0069] In some examples, the first outer bend 12, the first inner bend 13, the second outer bend 22, and the second inner bend 23 are all arc-shaped;

[0070] The center of the first outer bend 12 is located on the side of the first outer bend 12 close to the first sidewall 31, and the center of the first inner bend 13 is located on the side of the first inner bend 13 away from the first sidewall 31, thereby further improving the elastic performance of the first tongue 1. Specifically, the first outer bend 12 can be tangent to the first inner bend 13 and roughly form an S-shape.

[0071] The center of the second outer bend 22 is located on the side of the second outer bend 22 closer to the second sidewall 32, and the center of the second inner bend 23 is located on the side of the second inner bend 23 away from the second sidewall 32, thereby further improving the elastic performance of the first tongue 1. Specifically, the second outer bend 22 can be tangent to the second inner bend 23 and roughly form an S-shape.

[0072] In some examples, two first flanges 35 protrude from the first sidewall 31, and the first tongue 1 is located between the two first flanges 35, which can prevent the first tongue 1 from tilting too much to both sides, improve the stability of the first tongue 1 installation, and make the second tongue 2 fixed to the second sidewall 32 by rivet or screw connection more stable.

[0073] The second sidewall 32 has two protruding second flanges 36, and the second tongue 2 is located between the two second flanges 36, which can prevent the first tongue 1 from tilting too much to both sides, improve the stability of the first tongue 1 installation, and make the second tongue 2 fixed to the second sidewall 32 by rivet or screw connection more stable.

[0074] The usage process of the frame connector in the above embodiments is as follows:

[0075] The first tongue 1 is inserted into the wall hole 6-1 of the first component 6, so that the first slot 1-1 receives the connecting part 6-2 of the first component 6. The protruding middle part of the first inner bend 13 elastically presses the connecting part 6-2 of the first component 6 to lock the base 3 and the first component 6. At the same time, the pin 4 is inserted into the limiting hole 6-3 of the first component 6 to prevent the first tongue 1 from disengaging from the wall hole 6-1 of the first component 6.

[0076] Then, align the wall hole 6-1 of the second component 6 with the second tongue 2, move the second component 6 so that the second tongue 2 and the wall hole 6-1 of the second component 6 are aligned, and the second slot 2-1 receives the connecting part 6-2 of the second component 6. The protruding middle part of the second inner bend 23 elastically presses the connecting part 6-2 of the second component 6 to lock the base 3 and the second component 6, thereby enabling the frame connectors to connect the two components 6 by plugging in, achieving screwless quick assembly; during disassembly, simply move the second component 6 upwards until the wall hole 6-1 of the second component 6 is completely disengaged from the second tongue 2.

[0077] In some examples, a booth includes the aforementioned frame connectors; it also includes several interlocking borders 6a, with frame connectors configured between adjacent borders 6a.

[0078] The frame 6a is a component 6 having a wall hole 6-1 and a connecting part 6-2. The connecting part 6-2 is formed between the inner and outer wall surfaces of the frame 6a located on one side of the wall hole 6-1. A limiting hole 6-3 is opened on the outer wall surface of the frame 6a. The first tongue 1 is inserted into the wall hole 6-1 of one frame 6a and elastically presses against the connecting part 6-2. The pin 4 is inserted into the limiting hole 6-3 of the frame 6a where the first tongue 1 is located. The first tongue 1 is inserted into the wall hole 6-1 of another frame 6a and elastically presses against the connecting part 6-2.

[0079] The above description, based on the preferred embodiments of this utility model, provides inspiration. 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 claims.

Claims

1. A frame connector for connecting two components (6) having wall openings (6-1), wherein the portion of the component (6) located on one side of the wall opening (6-1) is a connecting part (6-2), characterized in that: The frame connectors include: The base (3) has a first sidewall (31) and a second sidewall (32) on its outer surface; The first tongue (1) has a fixed end fixed to the first side wall (31) at one end and a free end at the other end. The first tongue (1) is bent to form a first slot (1-1) between the first tongue (1) and the first side wall (31). When the first tongue (1) passes through the wall hole (6-1) of a component (6), the first slot (1-1) receives the connecting part (6-2). The second tongue (2) has a fixed end fixed to the second side wall (32) at one end and a free end at the other end. The second tongue (2) is bent to form a second slot (2-1) between the second tongue (2) and the second side wall (32). When the second tongue (2) passes through the wall hole (6-1) of another component (6), the second slot (2-1) receives the connecting part (6-2). And a pin (4), which is elastically telescopically or fixedly installed on the first side wall (31) and protrudes outward from the first side wall (31). When the connecting part (6-2) of the component (6) is located in the first slot (1-1), the pin (4) is inserted into the limiting hole (6-3) of the component (6) where the first slot (1-1) is located.

2. The frame connector according to claim 1, characterized in that: The first slot (1-1) is located at the free end of the first tongue (1) as the first slot opening (1-1a), and the second slot (2-1) is located at the free end of the second tongue (2) as the second slot opening (2-1a). The second slot opening (2-1a) of the second slot (2-1) faces upward.

3. The frame connector according to claim 1, characterized in that: The upper end of the first tongue (1) is a fixed end, and the lower end of the first tongue (1) is a free end; The upper end of the second tongue (2) is a free end, and the lower end of the second tongue (2) is a fixed end.

4. The frame connector according to claim 3, characterized in that: The first sidewall (31) is provided with at least two first tongues (1) spaced apart in the vertical direction. The first tongues (1) are all located below the pin (4). The end of the pin (4) away from the base (3) is a rotating body. The cross-section of the rotating body gradually decreases from the base to the rotating body. The second sidewall (32) is provided with at least two second tongues (2) spaced apart in the vertical direction.

5. The frame connector according to claim 1, characterized in that: The base (3) has a central hole (33), and a through hole (34) extends outward through the wall of the central hole (33), through which the pin (4) passes; The central hole (33) is provided with an elastic element (5) for forcing the pin (4) to move away from the central hole (33). One end of the elastic element (5) is connected to the pin (4), and the other end is connected to the base (3).

6. The frame connector according to claim 1, characterized in that: The elastic element (5) is a flexible bent metal sheet. One end of the metal sheet is fixedly connected to the pin (4) or integrally formed, and the other end abuts against the inner wall of the central hole (33).

7. The frame connector according to claim 1, characterized in that: The first sidewall (31) and the second sidewall (32) are arranged adjacent to or opposite to each other.

8. The frame connector according to any one of claims 1-7, characterized in that: The first tongue (1) and the second tongue (2) are both elastic springs.

9. The frame connector according to claim 8, characterized in that: The first tongue (1) elastically presses against the connecting part (6-2) of the component (6) to which it is located, and the second tongue (2) also elastically presses against the connecting part (6-2) of the component (6) to which it is located.

10. The frame connector according to claim 8, characterized in that: The first tongue (1) has a first fixed section (11), a first outer curved section (12) and a first inner curved section (13). The first fixed section (11) is the fixed section of the first tongue (1). One end of the first outer curved section (12) is connected to the first fixed section (11), and the other end is connected to the first inner curved section (13). The middle part of the first outer curved section (12) protrudes in a direction away from the first sidewall (31), and the middle part of the first inner curved section (13) protrudes in a direction close to the first sidewall (31). The second tongue (2) has a second fixed section (21), a second outer curved section (22) and a second inner curved section (23). The second fixed section (21) is the fixed section of the second tongue (2). One end of the second outer curved section (22) is connected to the second fixed section (21), and the other end is connected to the second inner curved section (23). The middle part of the second outer curved section (22) protrudes away from the second side wall (32), and the middle part of the second inner curved section (23) protrudes towards the second side wall (32).

11. The frame connector according to claim 10, characterized in that: The first outer bend (12), the first inner bend (13), the second outer bend (22) and the second inner bend (23) are all arc-shaped; The center of the first outer bend (12) is located on the side of the first outer bend (12) closer to the first sidewall (31), and the center of the first inner bend (13) is located on the side of the first inner bend (13) away from the first sidewall (31). The center of the second outer bend (22) is located on the side of the second outer bend (22) closer to the second sidewall (32), and the center of the second inner bend (23) is located on the side of the second inner bend (23) away from the second sidewall (32).

12. The frame connector according to claim 1, characterized in that: Two first flanges (35) protrude from the first sidewall (31), and the first tongue (1) is located between the two first flanges (35); The second sidewall (32) has two second flanges (36) protruding out, and the second tongue (2) is located between the two second flanges (36).

13. A display stand, characterized in that: Includes the frame connector as described in any one of claims 1-12.

14. The exhibition stand according to claim 13, characterized in that: It also includes several interlocking frame borders (6a), with the frame connectors configured between two adjacent frame borders (6a); The frame (6a) is a component (6) having a wall hole (6-1) and a connecting part (6-2). The connecting part (6-2) is formed between the inner wall surface and the outer wall surface of the frame (6a) located in one side area of ​​the wall hole (6-1). The limiting hole (6-3) is provided on the outer wall surface of the frame (6a).

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