WO2024119644A1

WO2024119644A1 - Cloth frame structure

Info

Publication number: WO2024119644A1
Application number: PCT/CN2023/080679
Authority: WO
Inventors: 承小峰; 梁占涛; 王佳栋
Original assignee: 常州灵特尔轻便展示系统有限公司
Priority date: 2022-12-07
Filing date: 2023-03-10
Publication date: 2024-06-13
Also published as: CN218849031U; DE202023100050U1

Abstract

A cloth frame structure, relating to the field of exhibition. The cloth frame structure comprises at least a frame, wherein the frame comprises a pair of short frames (2) and a pair of long frames (1). The cloth frame structure has: corner connectors (3), the short frames (2) being hinged to the long frames (1) by means of the corner connectors (3); middle connectors (4), which are located in the middle of the short frames (2) and divide the short frames (2) into two portions, the short frames (2) being folded in half by means of the middle connectors (4); and a supporting rod (5), two ends of the supporting rod (5) being respectively supported on the middle connectors of the short frames (2) so as to limit in-half folding of the short frames (2). The cloth frame has a simple and stable structure, and the whole frame can be folded into a bundle-shaped structure, thereby facilitating transportation; and the cloth frame can be built on-site after unfolding without the need for tools, and the building thereof is both rapid and convenient.

Description

Fabric frame structure

Technical Field

The utility model belongs to the field of exhibition display, and in particular relates to a display cloth frame structure which can be folded and can be combined into multiple frames.

Background technique

With the development of society, enterprises are increasingly fond of flexible and fast construction of various display frames for display and promotion of goods in conferences, exhibitions, and other occasions. The display frame is a widely used exhibition tool. Its main structure is the combination of frame and canvas. It can be temporarily assembled into a large exhibition curtain, or it can be placed independently to form a small publicity column.

The existing display cloth frame structures are all large rectangular frame structures, which are not convenient for storage and transportation. At the same time, it is also cumbersome to build a multi-frame structure, which requires the use of many connecting parts, which will make the on-site construction time-consuming and labor-intensive, and inefficient. In addition, many connecting parts are easily missing or confused, affecting reuse. Therefore, the overall foldable cloth frame structure has become a development trend.

At present, the display cloth frame structures that appear sporadically on the market also have problems such as complicated structure, high manufacturing cost, complex assembly and construction, and low stability. For example, the foldable structure formed by patent 202111603921.3 uses the first connecting frame, the first rotating structure, the second rotating structure and other structures to enable the vertical rod to be flipped, folded in half and then folded inward. It realizes a small storage structure through the second folding, and after it is unfolded, it needs to cooperate with various fixing components to be fixed. Therefore, it cannot meet the use needs of the market, and it cannot realize the convenient and fast cloth frame structure of overall folding and storage, and overall stretching and unfolding.

Summary of the invention

In order to overcome the above defects, the utility model provides a foldable cloth frame structure with simple structure and convenient assembly. It is convenient to transport and use on site. It only needs to unfold the frame and buckle the support rods.

In order to achieve the above purpose, the technical solution of the utility model is:

A fabric frame structure comprises at least one frame, wherein the frame comprises a pair of short frames and a pair of long frames, and is characterized in that:

A corner connector is provided, and the short frame is hingedly connected to the long frame through the corner connector;

An intermediate connecting piece is provided, which is located in the middle of the short frame and divides the short frame into two parts. The short frame can be folded from the middle to the inner side of the frame through the intermediate connecting piece;

A support rod is provided, and both ends of the support rod are respectively supported on the middle connecting piece of the short frame to limit the folding of the short frame.

As a preferred embodiment of the utility model: the corner connector includes a corner body and a rotating member hingedly connected to the corner body, and the corner connector is rotatably connected to one end of the short frame through the rotating member.

As a preferred implementation structure of the utility model: the intermediate connecting member includes an intermediate body and folded members hinged at both ends of the intermediate body, and the support rod acts on the intermediate body.

As a further improvement of the utility model: a central through hole is provided on the middle body of the intermediate connecting member; support clamps are provided at both ends of the support rod, and the support rod is connected to the short frame through the clamping connection of the support clamp and the central through hole. This simplifies the folding structure and ensures the structural stability of the frame after unfolding.

As a further improvement of the utility model: a clamp is provided in the middle of the support rod; when the frame is folded in half, the clamping of the support clamp is controlled so that the two ends of the support rod pass outward through the central through hole, and the short frame is folded inward and finally connected to the two ends of the clamp through the middle body. This ensures that the position of the support rod is limited after the frame is folded, and it will not move left and right or be lost; it also ensures that the folded frame will not fall apart at will.

In order to reduce the number of fixed connectors and building connectors and facilitate the rapid construction of frames and frames, the utility model further improves the frame profile structure: a card groove is provided on the outer butt joint end faces of the short frame and the long frame along the length direction, and card wings are provided on both sides of the slot of the card groove, and one side of the card wing extends in the direction of the slot and covers part of the slot.

In order to cooperate with the improvement of the profile structure, the utility model has made further improvements: a combination pin is provided for connecting two or more frames; axial positioning grooves are provided on both radial side surfaces of the combination pin; when adjacent frames are connected, two short frames or two long frames connected opposite to each other are combined through the grooves on the butt end surfaces to form a fixing hole, the combination pin is inserted into the fixing hole, and the overlapping wings on both sides are respectively inserted into the corresponding axial positioning grooves on the combination pin to achieve the connection of adjacent frames.

In this way, the connection between the frames can be achieved with only one combination pin, and it is all achieved through direct plug-in, which is more convenient and quick, and directly acts on the four corners of the frame frame, with high structural stability.

In order to achieve a tight connection between the combination pin and the profile frame and ensure that the combination pin will not move or fall off at will, elastic beads are respectively provided at both ends of the combination pin.

In order to realize the independent placement structure of the cloth frame, a base plate is provided, on which a positioning block corresponding to the short frame or long frame slot is provided, and an insertion slot is formed between the positioning block and the base plate, and the short frame or long frame at the lower end of the frame is connected to the base plate by inserting the insertion slot through the card wing.

In order to ensure that the frames form the best parallel position after folding and avoid friction damage to various components, the height of the middle body is adapted to the height of the short frame after folding.

The advantages of the utility model are:

1. The utility model has an ingenious structural design. Through the design of the short frame, the whole frame is directly folded once to form a bundle structure, which greatly facilitates transportation.

2. The utility model has a stable structure. Through the design of a support rod, the structural stability problem of the unfolded frame after folding is solved. Through the design of a central through hole, the connection problem of the support rod and the handling problem of the support rod after folding are solved.

3. The utility model has a simple structure and low manufacturing cost. It can be assembled on site by simply stretching and unfolding the whole unit without the need for other auxiliary tools, which greatly improves the installation efficiency and is convenient and quick.

4. Through the improvement of the combination pins and profile frames, the connection between frames is greatly simplified, and seamless splicing in both vertical and horizontal directions can be achieved according to the site. The splicing between frames does not require screws, connecting locks and other fasteners. Only one pin is needed to meet the positioning connection of the entire cloth frame, which greatly saves on-site installation time.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a cloth frame structure involved in Embodiment 1;

Figure 2 is an exploded structural diagram of the frame;

FIG3 is a three-dimensional structural diagram of a corner connector;

FIG4 is a three-dimensional structural diagram of an intermediate connecting member;

FIG5 is a structural diagram of the connection between the support rod and the short frame;

Fig. 6 is a folding structural diagram of the frame;

FIG. 7 is a diagram of the final folded structure of the frame;

FIG8 is a schematic diagram of the structure of a short frame or a long frame in a frame;

FIG9 is a schematic diagram of the structure of the anchor plate;

FIG10 is a schematic diagram of the connection structure of the anchor plate;

FIG11 is a structural diagram of a frame assembly according to the second embodiment;

12 is a schematic diagram of the structure of the combination pin involved in the second embodiment;

FIG13 is a schematic diagram of the connection structure of the combination pin in the second embodiment;

FIG14 is a structural diagram of a frame assembly according to the third embodiment;

15 is a schematic diagram of the structure of the combination pin involved in the third embodiment;

FIG16 is a schematic diagram of the connection structure of three frames in Embodiment 3;

FIG. 17 is a schematic diagram of the connection structure between the right anchor plate and the frame in the third embodiment.

Detailed ways

The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

Example 1

As shown in FIG. 1 , this embodiment relates to a cloth frame structure, including a frame, a pair of anchor plates 7 and a support rod 5 . The frame is a rectangular structure, which includes a pair of short frames 2 and a pair of long frames 1 .

As shown in Figures 1 and 2: the short frame includes two short frame segments 21 of the same length and an intermediate connector 4; the short frame and the long frame are connected via a corner connector 3; as shown in Figure 3: the corner connector 3 includes a corner body 31 and a rotating member 32. In this embodiment, the corner body is provided with a connecting end face 1 and a connecting end face 2 311 connected at a 90-degree angle, wherein a plug-in boss 312 is directly formed on the connecting end face 1 for matching and plugging with the long frame 1; the connecting end face 2 is hingedly connected to the rotating member through a cylindrical pin 33, and the rotating member can rotate 90 degrees toward the inner side of the frame around the cylindrical pin 33; the movable end of the rotating member 32 is also formed with a plug-in boss and is plug-connected to the short frame segment 21, so that the rotating member 32 can drive the short frame segment 21 to rotate inward around the cylindrical pin 33. As shown in Figure 4: the middle connecting member 4 includes a middle body 41 and folding members 42 hinged at both ends of the middle body, and the two folding members 42 can rotate 90 degrees around the corresponding hinge axis toward the outside of the frame; the two short frame segments 21 are respectively connected to the two folding members 42, so as to realize the folding of the short frame from the middle to the inside of the frame; a central through hole 411 is provided on the middle body of the middle connecting member.

As shown in Figures 2 and 5: the support rod 5 includes a rod body, a support clamp 51 connected to both ends of the rod body, and a clamp 52 fixed in the middle of the rod body; the support clamp 51 is made of elastic material and is a hollow structure. A groove 511 is formed on the outer surface of the support clamp, and the radius length from the bottom surface of the groove 511 to the axis matches the radius length of the central through hole 411; when connected, press the support clamp 51 to insert it into the central through hole 411 and embed the middle body into the groove 511, release the support clamp to limit the middle body 41 in the groove 511 of the support clamp, thereby limiting the folding and bending of the short frame 2. As shown in Figure 6: when the frame needs to be folded and stored, press the support clamp 51 to move the middle body 41 inwardly out of the groove 511 along the support rod and then move inward, and the two ends of the support rod 5 pass out of the central through hole 411 respectively, thereby realizing the folding of the short frame. In this embodiment, after folding, the middle body 41 touches the clamp 52, thereby limiting the movement of the support rod 5 after folding. Of course, due to the length ratio of the long frame and the short frame, the middle body 41 may not be in contact with the clamp 52 after being folded. However, the setting of the clamp 52 can further limit the left and right movement position of the support rod 5 and ensure that the support rod 5 will not fall off.

As shown in FIG8 : In this embodiment, the short frame 2 and the long frame 1 have the same cross-sectional structure, and only differ in length. In this embodiment, the long frame 1 is used as an example to describe its structure. A card slot 11 is formed on the outer butt end surface of the long frame along the length direction, and card wings 12 are respectively provided along the length direction on both sides of the slot of the card slot, and the card wings 12 extend toward the slot and cover part of the slot. Two plug holes 13 are formed on the inner side of the card slot along the length direction, and a card cloth slot 14 is formed between the plug hole 13 and the card wing 12.

As shown in Figures 1, 9 and 10: the fabric frame is provided with a base plate 7, on which a positioning block 71 corresponding to the slot of the short frame or the long frame is provided, a plug-in slot 72 is formed between the positioning block 71 and the base plate, and a positioning bead 73 is provided on the positioning block; in this embodiment, the base plate is connected to the long frame; the long frame at the bottom of the frame is connected to the base plate by inserting the plug-in slot 72 through the card wing 12.

As shown in FIG. 7 , the height of the middle body 41 in this embodiment matches the height of the short frame after being folded in half, so that the frame can be folded into a bundled structure.

It can be seen from the present embodiment and the accompanying drawings that the folding, unfolding and installation and fixation of the present fabric frame structure do not require any tools, nor do they require matching of other components, and the installation and fixation are very quick and convenient.

Example 2

As shown in FIG11 , on the basis of Example 1, the fabric frame structure involved in this embodiment includes a combination of upper and lower frames. In the construction of the combined frame, this embodiment introduces a combination pin 6. As shown in FIG12 : axial positioning grooves 61 are provided on both radial sides of the combination pin 6; the front end of the combination pin is formed with two raised elastic beads 62 through the cooperation of the hole and the spring. As shown in FIG13 : when the upper and lower frames are connected, the two frames are first aligned up and down, left and right, so that the slots 11 on the upper and lower long frame butt end surfaces are combined to form a fixed hole, and the card wings 12 on the upper and lower long frame butt end surfaces are overlapped with each other; the combination pin 6 is inserted into the fixed hole, and the two overlapped card wings 12 are respectively inserted into the corresponding axial positioning grooves 61 on the combination pin, thereby realizing the connection of the upper and lower frames. When the elastic bead 62 is inserted into the positioning hole, it is tightly connected with the slot wall of the slot 11 through the spring, thereby ensuring that the combination pin 6 will not fall off.

Since the present embodiment is a combination of two frames, a stop bar 63 may be designed on one side of the combination pin to cover the gap at the connection between the two frames after they are combined, thereby improving the integrity of the frames.

Example 3

As shown in Figures 14 to 16, on the basis of Example 2, an additional frame is added to form a three-frame connection structure; the combination pin 6 is a structure without a bar; when connecting, the combination pin 6 is generally inserted into the left frame, and the other half is used to connect the right frame, thereby realizing the mutual connection between the frames.

As shown in Figures 14 and 17, the right side anchor plate 7 and the frame in this cloth frame adopt another installation method. The anchor plate is provided with a positioning block 8 corresponding to the short frame slot. The positioning block 8 is vertically fixed. The positioning block 8 is provided with a vertical groove 81 that matches the short frame wing. The front end of the positioning block 8 is also provided with a positioning bead. In this embodiment, the positioning block 1 is inserted into the right side short frame slot, and the right side short frame wing is inserted into the vertical groove 81 to achieve the positioning connection of the right side anchor plate.

In order to ensure the reliability of the connection, the combination pins can be respectively inserted at the left end, right end, upper end or lower end of the frame connection.

For those skilled in the art, it is obvious that the present invention is not limited to the details of the exemplary embodiments described above. No matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

A cloth frame structure comprises at least one frame, wherein the frame comprises a pair of short frames and a pair of long frames, and is characterized in that: a corner connector is provided, and the short frames are hingedly connected to the long frames through the corner connector; an intermediate connector is provided, which is located in the middle of the short frames and divides the short frames into two, and the short frames can be folded from the middle toward the inner side of the frame through the intermediate connector; a support rod is provided, and both ends of the support rod are respectively supported on the intermediate connector of the short frames to limit the folding of the short frames.
The cloth frame structure according to claim 1 is characterized in that: the corner connecting member includes a corner body and a rotating member hingedly connected to the corner body, and the corner connecting member is rotatably connected to one end of the short frame through the rotating member.
The cloth frame structure according to claim 1 is characterized in that: the intermediate connecting member includes an intermediate body and folded members hinged at both ends of the intermediate body, and the support rod acts on the intermediate body.
The cloth frame structure according to claim 3 is characterized in that: a central through hole is provided on the middle body of the intermediate connecting member; support clamps are provided at both ends of the support rod, and the support rod is connected to the short frame by clamping the support clamps with the central through hole.
The cloth frame structure according to claim 4 is characterized in that: a clamp is provided in the middle position of the support rod; when the frame is folded in half, both ends of the support rod respectively pass through the central through hole outward, the short frame is folded inward and finally connected to the two ends of the clamp through the middle body.
The cloth frame structure according to claim 1 is characterized in that: a card groove is provided on the outer butt joint end surfaces of the short frame and the long frame along the length direction, and card wings are provided on both sides of the slot of the card groove, and one side of the card wing extends in the direction of the slot and covers part of the slot.
The cloth frame structure according to claim 6 is characterized in that: a combination pin is provided for connecting two or more frames; axial positioning grooves are provided on both radial side surfaces of the combination pin; when adjacent frames are connected, two short frames or two long frames connected opposite to each other are combined through the grooves on the butt end surfaces to form a fixing hole, the combination pin is inserted into the fixing hole, and the overlapping wings on both sides are respectively inserted into the corresponding axial positioning grooves on the combination pin to achieve the connection of adjacent frames.
The cloth frame structure according to claim 7 is characterized in that elastic beads are respectively provided at both ends of the combined pin.
The cloth frame structure according to claim 6 is characterized in that: a base plate is provided, a positioning block corresponding to the short frame or long frame slot is provided on the base plate, a plug-in slot is formed between the positioning block and the base plate, and the short frame or long frame at the lower end of the frame is connected to the base plate by inserting the plug-in slot through the card wing.
The fabric frame structure according to claim 4 is characterized in that the height of the middle body matches the height of the short frame after being folded in half.