A folding framework and a folding chair and a folding table

Abstract

The application discloses a folding framework and a folding chair and a folding table, which comprise at least four supporting legs, at least four backrest supporting rods and at least four cross rods, one end of the backrest supporting rod is hinged to the supporting leg, four cross rods are arranged between two adjacent supporting legs respectively, and a connecting piece is arranged between two adjacent cross rods; wherein the backrest supporting rod is at least partially matched with the connecting piece, one end of the supporting leg is hinged to the connecting piece, and the supporting leg and the backrest supporting rod can rotate relative to the connecting piece to realize unfolding or folding of the supporting leg and the backrest supporting rod. The connecting piece is arranged, the connecting piece is hingedly connected with the supporting leg, the supporting leg and the backrest supporting rod can flexibly rotate around the connecting piece, thereby realizing unfolding or folding of the chair framework, the user can complete the operation by exerting simple force, the user is convenient, fast and compact after folding, and the folding chair is convenient to carry and store, the requirement of the user for convenience and practicability is met, and the experience effect of the user is improved.

Description

Technical Field

[0001] This application relates to the field of daily necessities technology, specifically to a folding frame, folding chair, and folding table. Background Technology

[0002] With the increasing popularity of outdoor sports, tourism and leisure activities, people's demand for lightweight and portable chairs has increased significantly. Folding chairs, due to their folding ability, have gained widespread market recognition and are widely used.

[0003] While existing folding chairs or tables can be folded, only partially so. The overall size after folding is still quite large, making them inconvenient to carry and store. Furthermore, the complex structure of folding chairs makes them difficult to operate during the folding process, resulting in longer operation times and negatively impacting the user experience.

[0004] Therefore, the structure of existing folding chairs or folding tables has room for further improvement. Utility Model Content

[0005] In view of this, and addressing the technical problem that the complex structure of existing folding chairs or folding tables leads to difficulties and long operation times for users during the folding process, this application provides a folding frame and a folding chair or folding table. By changing the structure of the folding chair, the structure of the folding chair is made simpler, making it easier, faster, and more compact for users to fold, saving costs, and meeting users' requirements for convenience and practicality, thereby improving the user experience.

[0006] To achieve the above objectives, this application provides the following technical solution: a folding skeleton, comprising: At least four supporting legs; At least four backrest support rods, one end of which is hinged to the support legs; At least four crossbars are respectively disposed between two adjacent support legs, and a connector is provided between two adjacent crossbars; The chair back support rod is at least partially engaged with the connector, one end of the support leg is hinged to the connector, and the support leg and the chair back support rod can rotate relative to the connector to realize the unfolding or folding of the support leg and the chair back support rod.

[0007] Compared to existing technologies, this new technology utilizes a connector that hinges to the support legs, allowing the support legs and backrest support rod to rotate flexibly around the connector. This enables the chair frame to fold or unfold, requiring only simple force from the user. Folding is convenient, quick, and compact, facilitating portability and storage, thus meeting user requirements for convenience and practicality and enhancing the user experience. During use, to fold the chair, the user first rotates the backrest support rod downwards until it is parallel to the support legs, forming a single unit. Then, the support legs are rotated inwards around the hinge point of the connector to fold and store the chair. To unfold the chair, the user applies a downward and outward rotating force to the support legs to the desired position, and then applies an upward rotating force to the backrest support rod to unfold it and at least partially embed it within the connector, forming a stable structure.

[0008] Preferably, each of the chair back support rods is provided with a backrest rod, and the backrest rod is movably connected to the other end of the chair back support rod by a steel wire; The backrest rod includes at least one rod body, and the first section of the rod body near the backrest support rod is connected to the backrest support rod by a steel wire.

[0009] In this embodiment, the backrest bar is used to support the user's buttocks and thighs. The movable connection allows the backrest bar to be easily folded or unfolded, reducing the overall size of the chair, making it easy to carry and store, and improving the user's comfort and experience.

[0010] Preferably, the chair back support rod is divided into a front chair back support rod and a rear chair back support rod, and a backrest rod is provided on the rear chair back support rod. The backrest rod is movably connected to the other end of the rear chair back support rod by a steel wire. The backrest rod includes at least one rod body, and the first section of the rod body near the rear seat back support rod is connected to the rear seat back support rod by a steel wire.

[0011] In this embodiment, the backrest bar is used to support the user's buttocks and thighs. The movable connection allows the backrest bar to be easily folded or unfolded, reducing the overall size of the chair, making it easy to carry and store, and improving the user's comfort and experience.

[0012] Preferably, the backrest rod is provided with an elastic limiting member, which is at least partially disposed inside the backrest rod and is used to limit the backrest rod in the unfolded state.

[0013] In this embodiment, when the backrest rod needs to be folded, the first section of the backrest rod will retract into the chair back support rod by gently pressing the elastic limiting member. At this time, the steel wire inside the backrest rod is in a relaxed state (not tense), and the other sections of the backrest rod can be folded, thereby realizing the smooth folding of the backrest rod and further reducing the volume of the chair after folding. This not only ensures the stability of the backrest rod during use, but also facilitates the user's storage when the chair is not in use, improving the product's portability, practicality, and user experience.

[0014] Preferably, a fixing member is fixedly sleeved on the support leg, and one end of the chair back support rod is hinged to the fixing member so that the chair back support rod can rotate relative to the support leg.

[0015] In this embodiment, the backrest support rod can rotate freely relative to the support leg around the hinge point of the fixation member, using the fixing member as an intermediate hub, thereby realizing the folding and unfolding function of the backrest. The hinge connection means that the user only needs to apply a small force when folding or unfolding the chair, making the operation simple and efficient.

[0016] Preferably, the connector is provided with a limiting groove, and the backrest support rod is at least partially located in the limiting groove, which is used to limit the backrest support rod when it is in the unfolded state.

[0017] In this embodiment, when the backrest support rod is unfolded to the use state, at least part of its end near the support leg is precisely locked in the limiting groove. The side wall of the limiting groove forms lateral support for the backrest support rod, preventing lateral displacement or swaying of the backrest support rod during use, ensuring that the backrest support rod maintains a stable unfolded state, improving the stability of the folding chair and the safety and comfort of the user.

[0018] Preferably, the connector is further provided with a limiting part, which is located on the side of the connector facing the center of the folded frame, and is used to limit the support leg when it is in the folded state.

[0019] In this embodiment, when the support leg is folded to a suitable position, the limiting part limits the support leg, that is, the support leg can abut against the bottom of the limiting part, limiting its folding (folding) angle, preventing the support leg from moving upward, ensuring that it can remain stable in the folded state, and will not continue to rotate or shake upward due to external force, thereby ensuring safety during folding.

[0020] Preferably, the connector has a connecting part on the side facing the crossbar, the connecting part has a mounting hole, and the crossbar is inserted into the connecting part through the mounting hole; The four crossbars form a square-shaped structure.

[0021] In this embodiment, the U-shaped structure has good mechanical properties, which can effectively resist bending and torsion, and improve the stability and durability of the overall frame.

[0022] A folding chair, comprising the folding frame described above.

[0023] A folding table includes a table body and a folding frame, wherein the table body is detachably mounted on the folding frame. Attached Figure Description

[0024] Figure 1 A schematic diagram of the three-dimensional structure of a folded skeleton in its unfolded state according to an embodiment of this application. Figure 1 ; Figure 2 This is a schematic diagram of the folded skeleton in a folded state according to an embodiment of this application; Figure 3 for Figure 1 A magnified schematic diagram of the structure of part A in the diagram; Figure 4 This is a top view of the unfolded folding skeleton provided in an embodiment of this application. Figure 5 for Figure 4 A magnified schematic diagram of the partial structure of B in the diagram; Figure 6 A three-dimensional structural schematic diagram of a connector provided in an embodiment of this application; Figure 7 A schematic diagram of the three-dimensional structure of a folded skeleton in its unfolded state according to an embodiment of this application. Figure 2 ; Figure 8 A three-dimensional structural diagram of a folding table in its unfolded state, according to an embodiment of this application; Figure 9 This is an exploded structural diagram of a folding table provided in one embodiment of this application.

[0025] In the diagram: 1. Support leg; 2. Chair back support rod; 3. Crossbar; 4. Connector; 5. Backrest rod; 6. Fixture; 7. Elastic limiting component; 8. Table body; 9. Connecting assembly; 21. Front seat back support rod; 22. Rear seat back support rod; 41. Limiting groove; 42. Limiting part; 43. Connecting part; 52. Rod body; 91. Table arm; 92. Fitting parts. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solutions of this disclosure, the following detailed, clear, and complete description of this disclosure is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of this disclosure and are not intended to limit it.

[0027] In the description of this application, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0028] Those skilled in the art should understand that in the disclosure of this application, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this application.

[0029] The present application will now be described in further detail with reference to the accompanying drawings, see below. Figures 1 to 9 illustrate.

[0030] Example 1 This embodiment provides a folding chair, which is applied in the field of daily necessities technology, specifically, as follows: Figures 1 to 6 As shown, the chair includes at least four support legs 1, at least four backrest support rods 2, and at least four crossbars 3. The support legs 1 support the ground. One end of each backrest support rod 2 is hinged to a support leg 1, and the other end of each backrest support rod 2 supports the user's back and sides during use. The backrest support rods 2 are respectively positioned between two adjacent support legs 1. The crossbars 3 form the support frame of the folding chair seat, supporting the stability when the user sits down. A connector 4 is provided between two adjacent crossbars 3. One end of each support leg 1 is hinged to the connector 4, and at least part of each backrest support rod 2 engages with the connector 4, i.e., the end of the backrest support rod 2 closest to the support leg 1 is connected to the connector 4. The connector 4 can fix the backrest support rod 2, preventing it from shifting or moving during use and enhancing safety. The support leg 1 and the backrest support rod 2 can rotate relative to the connector 4 to unfold or fold them. The support leg 1 can rotate around the hinge point connected to the connector 4, thereby driving the backrest support rod 2 to rotate as well, thus realizing the folding or unfolding of the chair frame. Users only need to apply simple force to complete the operation. The folding is convenient, quick, and compact. The structure is simple, cost-effective, easy to carry and store, meeting users' requirements for convenience and practicality, and improving the user experience.

[0031] During use, when the chair needs to be folded, the user first rotates the backrest support rod 2 downwards to fold it parallel to the support leg 1, making the two a single unit; then, the support leg 1 is rotated inwards around the hinge point of the connector 4 to achieve folding and storage; when the chair needs to be unfolded, the user applies a downward and outward rotating force to the support leg 1 to rotate it to the set position, and then applies an upward force to the backrest support rod 2 to unfold it and at least partially embed it in the connector 4, forming a stable structure.

[0032] Furthermore, such as Figure 1 , Figure 4 As shown, each backrest support rod 2 is equipped with a backrest rod 5. Each backrest support rod 2 is connected to the connector 4 by a hinge through rivets. The backrest rod 5 is movably connected to the other end of the backrest support rod 2 by a steel wire. That is, the backrest rod 5 is movably connected to the other end of the backrest support rod 2 by a steel wire. The backrest rod 5 is used to support the user's buttocks and thighs. The movable connection method allows the backrest rod 5 to be folded or unfolded easily, reducing the overall size of the chair, making it easy to carry and store, and improving the user's comfort and experience.

[0033] Among them, such as Figure 4 As shown, the backrest rod 5 is a pluggable structure. The backrest rod 5 includes at least one rod body 52. ​​The first section of the rod body 52 closest to the backrest support rod 2 is connected to the backrest support rod 2 by a steel wire. When there are multiple rod bodies 52, adjacent rod bodies 52 are connected by a steel wire. The first section of the rod body 52 closest to the backrest support rod 2 is connected to the backrest support rod 2 by a steel wire. The total length of the steel wire is equal to the length of the entire backrest rod 5 plus the length of the backrest support rod 2. The connection method of the steel wire can ensure the connection and tension between each section of the rod body 52 and between the rod body 52 and the backrest support rod 2. It also makes it easy to shorten the length when folding, reduce the space occupied, and prevent the backrest rod 5 from being pulled out of the backrest support rod 2, thus improving the safety of the user. The diameter of the backrest rod 5 is smaller than the diameter of the chair back support rod 2, that is, the outer diameter of the backrest rod 5 is equal to the inner diameter of the chair back support rod 2. This makes it easier for the first section 52 of the backrest rod 5 to retract into the chair back support rod 2 in the folded state, and for the other sections 52 to be folded and stored, making the entire folding chair lighter and easier for users to carry and move.

[0034] Among them, such as Figure 5As shown, the backrest rod 5 is provided with an elastic limiting member 7, which is a ball bearing. The elastic limiting member 7 is at least partially disposed within the backrest rod 5, i.e., embedded within the backrest rod 5. The elastic limiting member 7 is located at the end of the backrest rod 5 closest to the chair back support rod 2. The elastic limiting member 7 is used to limit the backrest rod 5 in the unfolded state, preventing the backrest rod 5 from retracting into the chair back support rod 2 due to force, thus playing a locking or stopping role and ensuring that the backrest rod 5 maintains a stable unfolded state. When it is necessary to fold the backrest rod 5... When the elastic limiting piece 7 is pressed gently, the first section 52 of the backrest rod 5 will retract into the backrest support rod 2. At this time, the steel wire in the backrest is in a relaxed state (not a tensioned state), and each section 52 of the backrest rod 5 can be folded, thereby realizing the smooth folding of the backrest rod 5, further reducing the volume of the chair after folding. This not only ensures the stability of the backrest rod 5 during use, but also facilitates the user's storage when the chair is not in use, improving the product's portability, practicality, and user experience.

[0035] Furthermore, such as Figures 1 to 3 As shown, a fixing member 6 is fixedly sleeved on the support leg 1, and the support leg 1 is fixedly connected to the fixing member 6 to ensure the stability and firmness of the chair back support rod 2 when rotating. The fixing member 6 has an opening at one end facing the chair back support rod 2, and one end of the chair back support rod 2 is hinged to the fixing member 6. The chair back support rod 2 is located at the opening and is hinged to the two side walls of the fixing member 6 through a pin, so that the chair back support rod 2 can rotate relative to the support leg 1. With the fixing member 6 as the central pivot, the chair back support rod 2 can rotate freely relative to the support leg 1 around the hinge point of the fixing member 6, realizing the folding and unfolding function of the chair back. The hinge connection means that the user only needs to apply a small force when folding or unfolding the chair, making the operation simple and efficient.

[0036] Furthermore, such as Figure 3 , Figure 6 As shown, the connector 4 is provided with a limiting groove 41, which is located on the side of the connector 4 facing away from the center of the folding frame. The limiting groove 41 is an arc-shaped groove that is recessed towards the center of the folding chair. The size of the limiting groove 41 is adapted to the size of the backrest support rod 2. At least part of the backrest support rod 2 is located in the limiting groove 41, which is used to limit the backrest support rod 2 in the unfolded state. When the backrest support rod 2 is unfolded to the use state, at least part of its end near the support leg 1 is precisely locked in the limiting groove 41. The side wall of the limiting groove 41 forms lateral support for the backrest support rod 2, preventing the backrest support rod 2 from shifting or wobbling during use, ensuring that the backrest support rod 2 maintains a stable unfolded state, improving the stability of the folding chair and the safety and comfort of the user.

[0037] Furthermore, such as Figure 2As shown, the connector 4 has an opening at the hinge position of the support leg 1. The opening is located below the limiting groove 41, allowing the support leg 1 to rotate easily. The connector 4 also has a limiting part 42, which is located on the side of the connector 4 facing the center of the folding frame, that is, the side away from the connector 4 and the limiting groove 41. The limiting part 42 is located above the opening and is integrally formed with the connector 4. The limiting part 42 is used to limit the support leg 1 in the folded state. When the support leg 1 is folded to a suitable position, the limiting part 42 limits the support leg 1, that is, the support leg 1 can abut against the bottom of the limiting part 42, limiting its folding (folding) angle, preventing the support leg 1 from moving upward, ensuring that it can remain stable in the folded state, and will not continue to rotate or shake upward due to external force, thereby ensuring safety during folding.

[0038] Furthermore, such as Figures 1 to 6 As shown, the connector 4 has a connecting part 43 on the side facing the crossbar 3. The connecting part 43 and the connector 4 are integrally formed. The connecting part 43 protrudes away from the center line of the connector 4 and has a mounting hole. The crossbar 3 is inserted into the connecting part 43 through the mounting hole. The size of the mounting hole is adapted to the size of the crossbar 3 to ensure a tight connection, reduce shaking and wear at the connection between the crossbar 3 and the connecting part 43, and extend the service life. The four crossbars 3 form a U-shaped structure. The U-shaped structure has good mechanical properties and can effectively resist bending and torsion, improving the stability and durability of the overall frame.

[0039] This application also provides a folding chair, including a folding frame and a chair cover. The chair cover is made of soft fabric. The chair cover can also be fixed by the four corner points of the backrest rods 5 extending from the four backrest support rods 2, and irregularly wrap around the outside of the U-shaped frame along the corners of the chair, thereby achieving the fixed installation of the chair cover. The chair cover cannot be easily removed, reducing the trouble for users to disassemble, wash or replace the chair cover, and thus ensuring that the chair cover will not move or slip off.

[0040] This application also provides a folding table, such as Figure 8 , Figure 9As shown, the table includes a table body 8, a folding frame, and a connecting component 9. The table body 8 is detachably mounted on the folding frame. The connecting component 9 includes a mating part 92 and at least two table rods 91. The mating part 92 is a U-shaped bracket (similar to the top bracket of a clothesline). The mating part 92 is inserted into the end of the backrest rod 5 away from the backrest support rod 2, allowing the table rods 91 to be snapped into the U-shaped groove. The table body 8 can be made of rigid board or soft material. The table body 8 and the table rods 91 combine to form a detachable tabletop structure. The table rods 91 are snapped into the mating part 92 to fix the table body 8 to the folding frame. The table body 8 adopts a detachable connection method, allowing users to easily and quickly disassemble or assemble the table body 8, facilitating transportation, carrying, and storage, and improving ease of use. When the table body 8 is not in use, the folding frame can also be used as a chair, facilitating diverse user needs.

[0041] Example 2 The difference between this embodiment and Embodiment 1 is that, in this embodiment, as... Figure 7 As shown, the chair back support rod 2 is divided into a front chair back support rod 21 and a rear chair back support rod 22. Both the front chair back support rod 21 and the rear chair back support rod 22 are connected to the connector 4 by rivets and hinges. The rear chair back support rod 22 is provided with a backrest rod 5. The backrest rod 5 is movably connected to the other end of the rear chair back support rod 22 by a steel wire. That is, the backrest rod 5 is movably connected to the other end of the rear chair back support rod away from the support leg 1 by a steel wire. The backrest rod 5 is used to support the user's buttocks and thighs. The movable connection method allows the backrest rod 5 to be folded or unfolded easily, reducing the overall size of the chair, making it easy to carry and store, and improving the user's comfort and experience.

[0042] The backrest rod 5 is a foldable and pluggable structure. The backrest rod 5 includes at least one rod 52. When there are multiple rods 52, adjacent rods 52 are connected by steel wires. When the backrest rod 5 of the rear seat back support rod 22 consists of two or more rods 52, the first section of rod 52 closest to the rear seat back support rod 22 is connected to the rear seat back support rod 22 by steel wires. The total length of the steel wires is equal to the length of the entire backrest rod 5 plus the length of the rear seat back support rod 22. The connection method of steel wires can ensure the connection and tension between each section of rod 52, and also facilitates shortening the length when folding, reducing the space occupied. At the same time, it can also prevent the backrest rod 5 from being pulled out of the rear seat back support rod 22, improving the safety of the user. The diameter of the backrest rod 5 is smaller than the diameter of the rear backrest support rod 22. That is, the outer diameter of the backrest rod 5 is equal to the inner diameter of the rear backrest support rod 22. This allows the first section 52 of the backrest rod 5 to be retracted into the rear backrest support rod 22 in the folded state, while the other sections 52 can be folded and stored, making the entire folding chair lighter and easier for users to carry and move.

[0043] The backrest rod 5 is equipped with an elastic limiting member 7, which is a ball bearing. The elastic limiting member 7 is at least partially disposed within the backrest rod 5, i.e., embedded within it. The elastic limiting member 7 is located at the end of the backrest rod 5 near the rear seat back support rod 22. The elastic limiting member 7 is used to limit the backrest rod 5 in its unfolded state, preventing it from retracting into the seat back support rod 2 due to force, thus acting as a locking or stopping mechanism to ensure the backrest rod 5 remains in a stable unfolded state. When it is necessary to fold the backrest rod... At time 5, by gently pressing the elastic limiting piece 7, the first section 52 of the backrest rod 5 will retract into the backrest support rod 2. At this time, the steel wire in the backrest is in a relaxed state (not a tensioned state), and each section 52 of the backrest rod 5 can be folded, thereby realizing the smooth folding of the backrest rod 5, further reducing the volume of the chair after folding. This not only ensures the stability of the backrest rod 5 during use, but also facilitates the user's storage when the chair is not in use, improving the product's portability, practicality, and user experience.

[0044] It should be noted that the chair fabric can also be fixed by using the two corner points of the two front backrest support rods 21 and the two corner points of the backrest rods 5 extending from the two rear backrest support rods 22 as fixing points, and irregularly wrapping around the outside of the U-shaped frame along the corners of the chair, thereby achieving the fixed installation of the chair fabric. The chair fabric cannot be easily removed, reducing the trouble for users to disassemble, wash or replace the chair fabric, and thus ensuring that the chair fabric will not move or slip off.

[0045] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The descriptions of the embodiments above are only for the purpose of helping to understand the present application and its core ideas. It should be noted that those skilled in the art can make several improvements and modifications to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A folding skeleton, characterized in that, include: At least four supporting legs (1); At least four backrest support rods (2), one end of which is hinged to the support leg (1); At least four crossbars (3) are respectively disposed between two adjacent support legs (1), and a connector (4) is provided between two adjacent crossbars (3). The backrest support rod (2) is at least partially engaged with the connector (4), and one end of the support leg (1) is hinged to the connector (4). The support leg (1) and the backrest support rod (2) can rotate relative to the connector (4) to enable the support leg (1) and the backrest support rod (2) to unfold or fold.

2. The folding skeleton according to claim 1, characterized in that, Each of the chair back support rods (2) is provided with a backrest rod (5), and the backrest rod (5) is movably connected to the other end of the chair back support rod (2) by a steel wire; The backrest rod (5) includes at least one rod (52), and the first section of the rod (52) near the backrest support rod (2) is connected to the backrest support rod (2) by a steel wire.

3. The folding frame according to claim 1, characterized in that, The chair back support rod (2) is divided into a front chair back support rod (21) and a rear chair back support rod (22). The rear chair back support rod (22) is provided with a backrest rod (5). The backrest rod (5) is movably connected to the other end of the rear chair back support rod (22) by a steel wire. The backrest rod (5) includes at least one rod (52), and the first section of the rod (52) near the rear backrest support rod (22) is connected to the rear backrest support rod (22) by a steel wire.

4. The folding frame according to claim 2 or 3, characterized in that, The backrest rod (5) is provided with an elastic limiting member (7), which is at least partially disposed inside the backrest rod (5) and is used to limit the backrest rod (5) in the unfolded state.

5. The folding frame according to claim 1, characterized in that, A fixing member (6) is fixedly sleeved on the support leg (1), and one end of the chair back support rod (2) is hinged to the fixing member (6) so that the chair back support rod (2) can rotate relative to the support leg (1).

6. The folding skeleton according to claim 1, characterized in that, The connector (4) is provided with a limiting groove (41), and the backrest support rod (2) is at least partially located in the limiting groove (41) for limiting the backrest support rod (2) in the unfolded state.

7. The folding frame according to claim 1, characterized in that, The connector (4) is also provided with a limiting part (42), which is located on the side of the connector (4) facing the center of the folded frame, and is used to limit the support leg (1) in the folded state.

8. The folding frame according to claim 1, characterized in that, The connector (4) has a connecting part (43) on the side facing the crossbar (3), the connecting part (43) has a mounting hole, and the crossbar (3) is inserted into the connecting part (43) through the mounting hole; The four crossbars (3) form a square-shaped structure.

9. A folding chair, characterized in that, Includes a folding frame as described in any one of claims 1 to 8.

10. A folding table, comprising a table body (8), characterized in that, It also includes a folding frame as described in any one of claims 1 to 8, wherein the table body (8) is detachably mounted on the folding frame.

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