Seat

Abstract

The utility model relates to a chair. The chair comprises two chair leg assemblies, a folding mechanism and a table board. The two chair leg assemblies are correspondingly arranged; the chair leg assembly comprises a first chair leg and a second chair leg which are arranged in parallel, the first chair leg comprises a first telescopic section and a first connecting section, the second chair leg comprises a second telescopic section and a second connecting section, the first connecting section is connected with the second connecting section, and the first telescopic section and the second telescopic section can stretch out and draw back to adjust the self length; the folding mechanism is connected between the two chair leg assemblies, and when the folding mechanism is switched from a folded state to an unfolded state, the folding mechanism drives the two chair leg assemblies to be far away from each other; when the folding mechanism is switched from an unfolded state to an unfolded and folded state, the folding mechanism drives the two chair leg assemblies to approach each other; the table plate is arranged on the side, back to the other chair leg assembly, of one chair leg assembly and rotationally connected with the adjacent chair leg assembly. The height can be adjusted to improve the comfort level; and a table plate is arranged for placing articles.

Description

Technical Field

[0001] This application relates to the field of seating technology, and in particular to a seat that can be height-adjusted and used for placing objects. Background Technology

[0002] Chairs, as common pieces of furniture, are widely used across various industries and in numerous scenarios. Some chairs are used in the cosmetics industry, providing seating for people applying makeup.

[0003] In related technologies, a chair typically includes chair legs, a seat cushion, and a backrest. The chair legs are supported on the ground, the seat cushion is placed on the chair legs, and the backrest is placed on one side of the seat cushion and is set vertically, forming the overall structure of the chair so that users can rest.

[0004] However, these chairs typically use a fixed structure and size for ease of production, making it impossible to adjust their height according to the user's height during actual use. This can easily lead to discomfort and fatigue after use. Furthermore, since these chairs often need to be moved depending on the location, their fixed structure takes up considerable space during transport or storage, causing inconvenience. In addition, during makeup application, different cosmetics need to be changed frequently. These replacement cosmetics need to be placed on a table or vanity far from the user, requiring movement each time cosmetics are changed. This makes the entire makeup process cumbersome and reduces efficiency to some extent. Utility Model Content

[0005] Therefore, it is necessary to provide a height-adjustable seat that takes up less space during transport and storage and can accommodate cosmetics, in order to address the above-mentioned problems.

[0006] A seat comprising:

[0007] Two sets of chair leg assemblies are provided, and the two sets of chair leg assemblies are arranged correspondingly. Each chair leg assembly includes a first chair leg and a second chair leg arranged side by side. The first chair leg includes a first telescopic section and a first connecting section. The second chair leg includes a second telescopic section and a second connecting section. The first connecting section is connected to the second connecting section. The first telescopic section and the second telescopic section can extend and retract to adjust their own length.

[0008] A folding mechanism is connected between the two sets of chair leg assemblies, and the folding mechanism can switch between a folded state and an unfolded state. When the folding mechanism switches from a folded state to an unfolded state, the folding mechanism drives the two sets of chair leg assemblies to move away from each other; when the folding mechanism switches from an unfolded state to an unfolded folded state, the folding mechanism drives the two sets of chair leg assemblies to move closer to each other.

[0009] The tabletop is located on the side of the chair leg assembly facing away from the other set of chair leg assemblies, and is rotatably connected to the adjacent chair leg assembly.

[0010] In some embodiments, the first telescopic section includes a first sleeve and a first movable rod. One end of the first sleeve is connected to the first connecting section. The first sleeve is sleeved on the outer periphery of the first movable rod. The first movable rod extends from the other end of the first sleeve to the outside of the first sleeve. The first movable rod moves along the length direction of the first sleeve.

[0011] The second telescopic section includes a second sleeve and a second movable rod. One end of the second sleeve is connected to the second connecting section. The second sleeve is sleeved on the outer periphery of the second movable rod. The second movable rod extends from the other end of the second sleeve to the outside of the second sleeve and moves along the length direction of the second sleeve.

[0012] In some embodiments, the side wall of the first movable rod is provided with a first limiting member, which can protrude from or be flush with the side wall of the first movable rod; the side wall of the first sleeve is provided with a plurality of first limiting holes that match the first limiting member, and the plurality of first limiting holes are spaced apart along the length direction of the first sleeve. When the first limiting member protrudes from the side wall of the first movable rod, the first limiting member is engaged with the first limiting hole.

[0013] The second movable rod has a second limiting member on its side wall. The second limiting member can protrude from the side wall of the second movable rod or be flush with the side wall of the second movable rod. The side wall of the second sleeve has a plurality of second limiting holes that match the second limiting member. The plurality of second limiting holes are spaced apart along the length direction of the second sleeve. When the second limiting member protrudes from the side wall of the second movable rod, the second limiting member is engaged with the second limiting hole.

[0014] In some embodiments, the first sleeve is provided with a first thread at the end away from the first connecting section, and the second sleeve is provided with a second thread at the end away from the second connecting section;

[0015] The chair leg assembly also includes a locking nut. When the locking nut engages with the first thread, the diameter of the end of the first sleeve with the first thread is reduced. When the locking nut engages with the second thread, the diameter of the end of the second sleeve with the second thread is reduced.

[0016] In some embodiments, the folding mechanism includes a first link and a second link, including one of the following:

[0017] One end of the first link is rotatably connected to the first chair leg of one set of chair leg assemblies, one end of the second link is rotatably connected to the first chair leg of another set of chair leg assemblies, and the other end of the first link is rotatably connected to the other end of the second link.

[0018] One end of the first link is rotatably connected to the second leg of one set of chair leg assemblies, one end of the second link is rotatably connected to the second leg of another set of chair leg assemblies, and the other end of the first link is rotatably connected to the other end of the second link.

[0019] In some embodiments, the folding mechanism further includes two U-shaped rods; each U-shaped rod includes a first support segment, a second support segment, and a third support segment, the first and third support segments being arranged side by side, one end of the first support segment being rotatably connected to a first chair leg of one group of chair leg assemblies, one end of the third support segment being rotatably connected to a second chair leg of the same group of chair leg assemblies, and the other end of the first support segment being connected to the other end of the third support segment via the second support segment; the two first support segments are rotatably connected at their middle sections, and the two third support segments are rotatably connected at their middle sections;

[0020] The seat also includes a support fabric, with each side of the support fabric connected to one of the two second support sections.

[0021] In some embodiments, the folding mechanism further includes a plurality of limiting rods, with the other end of the first support segment connected to the first leg of another set of the chair leg assemblies via the limiting rods; and the other end of the third support segment connected to the second leg of another set of the chair leg assemblies via the limiting rods.

[0022] In some embodiments, the seat further includes a first support rod and a second support rod, one end of the first support rod being rotatably connected to the chair leg assembly, one end of the second support rod being connected to the tabletop, and the other end of the first support rod being hinged to the other end of the second support rod;

[0023] The other end of the first support rod is provided with a third limiting member, which abuts against the side wall of the second support rod.

[0024] Alternatively, the other end of the second support rod is provided with a third limiting member, which abuts against the side wall of the first support rod.

[0025] In some embodiments, the seat further includes a headrest assembly disposed between the two sets of chair leg assemblies and detachably connected to at least one of the two sets of chair leg assemblies; the headrest assembly includes a headrest body and a connecting rod, the headrest body being slidably connected to the connecting rod;

[0026] The connecting rod is detachably connected to the first chair leg of at least one of the two sets of chair leg assemblies;

[0027] Alternatively, the connecting rod may be detachably connected to at least one of the two sets of chair leg assemblies of the second chair leg.

[0028] In some embodiments, the chair leg assembly further includes a first crossbar and a protective sleeve, wherein one end of the first chair leg and one end of the second chair leg are connected by the first crossbar, and the protective sleeve is fitted over the middle of the first crossbar;

[0029] The chair leg assembly also includes a second crossbar and a carrying cloth. One end of the second crossbar is connected to the middle of the first chair leg, and the other end of the second crossbar is connected to the middle of the second chair leg. The carrying cloth is connected to the two second crossbars on both sides respectively.

[0030] The aforementioned seat features two sets of leg assemblies to support the ground and provide structural support. All four legs have telescopic sections, allowing height adjustment to suit different user heights and improve comfort. The leg assemblies are connected by a folding mechanism. When folding for storage, the mechanism folds the legs together, reducing the overall size for easier storage and transport. When in use, the mechanism unfolds, allowing the legs to be placed apart for seating. A table on the side of the leg assembly provides convenient access to cosmetics, simplifying the makeup process. The table is rotatably connected to the leg assembly, allowing it to be rotated to fit against the leg assembly during storage, minimizing its footprint. This design allows for height adjustment for enhanced comfort, and the retractable structure facilitates storage and transport. The table further enhances the convenience of the makeup process. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of a seat according to an embodiment of this application.

[0032] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0033] Figure 3 for Figure 1 Enlarged view of point B in the middle.

[0034] Figure 4 for Figure 1 Enlarged view of point C in the middle.

[0035] Figure 5 for Figure 1 Enlarged view of point D in the middle.

[0036] Figure 6 This is a schematic diagram of the rear structure of a seat according to an embodiment of this application.

[0037] Figure 7 This is a schematic diagram of the structure of the U-shaped rod in a seat according to an embodiment of this application.

[0038] In the diagram, 100 is the chair leg assembly; 110 is the first chair leg; 111 is the first telescopic section; 1111 is the first sleeve; 1111a is the first limiting hole; 1111b is the first thread; 1112 is the first movable rod; 112 is the first connecting section; 120 is the second chair leg; 121 is the second telescopic section; 1211 is the second sleeve; 1211a is the second limiting hole; 1211b is the second thread; 1212 is the second movable rod; 122 is the second connecting section; 130 is the locking nut; and 140 is the first crossbar. 141. Protective cover; 150. Second crossbar; 151. Carrying cloth; 200. Folding mechanism; 210. First connecting rod; 211. Limiting buckle; 220. Second connecting rod; 230. U-shaped rod; 231. First support section; 232. Second support section; 233. Third support section; 240. Limiting rod; 300. Tabletop; 310. First support rod; 311. Third limiting component; 320. Second support rod; 400. Support cloth; 500. Headrest assembly; 510. Headrest body; 520. Connecting rod. Detailed Implementation

[0039] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0040] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this application.

[0041] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0043] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0044] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0045] See Figure 1 , Figure 1A schematic diagram of the overall structure of a seat according to an embodiment of this application is shown. An embodiment of this application provides a seat including a leg assembly 100, a folding mechanism 200, and a tabletop 300. Two sets of leg assemblies 100 are provided, correspondingly arranged. Each leg assembly 100 includes a first leg 110 and a second leg 120 arranged side-by-side. The first leg 110 includes a first telescopic section 111 and a first connecting section 112. The second leg 120 includes a second telescopic section 121 and a second connecting section 122. The first connecting section 112 is connected to the second connecting section 122. The first telescopic section 111 and the second telescopic section 121 are telescopic to adjust their length. The folding mechanism 200 is connected to... Between the two sets of chair leg assemblies 100, and the folding mechanism 200 is capable of switching between a folded state and an unfolded state, when the folding mechanism 200 switches from a folded state to an unfolded state, the folding mechanism 200 drives the two sets of chair leg assemblies 100 to move away from each other; when the folding mechanism 200 switches from an unfolded state to an unfolded folded state, the folding mechanism 200 drives the two sets of chair leg assemblies 100 to move closer to each other; the table 300 is located on the side of the chair leg assembly 100 facing away from the other set of chair leg assemblies 100, and is rotatably connected to the adjacent chair leg assembly 100.

[0046] See Figure 1 Preferably, each set of chair leg assemblies 100 includes at least two chair legs arranged side by side. For ease of understanding, the first chair leg 110 is defined as the front chair leg and the second chair leg 120 as the rear chair leg, based on the orientation of the chair in its use state. That is, the first chair leg 110 is located in front of the second chair leg 120. The two sets of chair leg assemblies 100 are arranged side by side in the left-right direction, and both the first chair leg 110 and the second chair leg 120 are arranged in the vertical direction to provide support for the overall structure of the chair.

[0047] Both the first chair leg 110 and the second chair leg 120 are equipped with telescopic sections, allowing the first chair leg 110 and the second chair leg 120 to adjust their length according to the user's height, thereby improving the comfort of use.

[0048] The two sets of chair leg assemblies 100 are interconnected via a folding mechanism 200. When the chair is needed, the folding mechanism 200 unfolds, moving the two sets of chair leg assemblies 100 apart, thus providing stable support for use. When the chair needs to be folded, the folding mechanism 200 folds, bringing the two sets of chair leg assemblies 100 closer together, thereby reducing the overall size of the chair for easier storage and transportation. A tabletop 300 is rotatably connected to the chair leg assemblies 100. The tabletop 300 is used to place cosmetics that need to be changed during makeup application, making makeup application more convenient.

[0049] It should be noted here that the tabletop 300 can be rotated to the following position: Figure 1In the horizontal position shown, the tabletop 300 can hold replacement cosmetics. The tabletop 300 can also be rotated to fit against the chair leg assembly 100 for storage. Furthermore, the folding mechanism 200 can be a structure that allows switching between folded and unfolded states, such as a folding component, telescopic component, or deformable component, to adjust the distance between the two sets of chair leg assemblies 100.

[0050] With the above-described design, the lengths of the first chair leg 110 and the second chair leg 120 can be adjusted according to the user's height to improve comfort. The distance between the two sets of chair leg assemblies 100 can be adjusted to reduce the overall size of the chair for easy storage and operation. The table 300 is used to place cosmetics, improving the convenience of makeup application.

[0051] In some embodiments, the first telescopic section 111 includes a first sleeve 1111 and a first movable rod 1112. One end of the first sleeve 1111 is connected to the first connecting section 112, the first sleeve 1111 is fitted around the outer periphery of the first movable rod 1112, the first movable rod 1112 extends from the other end of the first sleeve 1111 to the outside of the first sleeve 1111, and the first movable rod 1112 moves along the length direction of the first sleeve 1111. The second telescopic section 121 includes a second sleeve 1211 and a second movable rod 1212, one end of the second sleeve 1211 is connected to the second connecting section 122, the second sleeve 1211 is fitted around the outer periphery of the second movable rod 1212, the second movable rod 1212 extends from the other end of the second sleeve 1211 to the outside of the second sleeve 1211, and the second movable rod 1212 moves along the length direction of the second sleeve 1211.

[0052] See Figure 1 , Figure 3 and Figure 4 Preferably, the first telescopic section 111 is arranged vertically, the first connecting section 112 is connected to the upper end of the first sleeve 1111, and the first movable rod 1112 extends from the lower end of the first sleeve 1111 to the outside of the first sleeve 1111. Similarly, the second telescopic section 121 is arranged vertically, the second connecting section 122 is connected to the upper end of the second sleeve 1211, and the second movable rod 1212 extends from the lower end of the second sleeve 1211 to the outside of the second sleeve 1211.

[0053] When the height of the seat needs to be lowered, the first movable rod 1112 moves upward a certain distance along the length direction (i.e., vertical direction) of the first sleeve 1111, and the second movable rod 1212 moves upward the same distance along the length direction of the second sleeve 1211, thus shortening the length of the first telescopic section 111 and the second telescopic section 121. Conversely, when the height of the seat needs to be raised, the first movable rod 1112 moves downward a certain distance along the length direction of the first sleeve 1111, and the second movable rod 1212 moves downward the same distance along the length direction of the second sleeve 1211, thus lengthening the length of the first telescopic section 111 and the second telescopic section 121. The distance that the first movable rod 1112 and the second movable rod 1212 move is determined according to the user's height to adjust the height of the seat to a comfortable height. Through the above numerical settings, the overall height of the seat can be adjusted to improve user comfort, and the height adjustment operation is simple and convenient.

[0054] In some embodiments, the side wall of the first movable rod 1112 is provided with a first limiting member (not shown in the figure). The first limiting member 411 can protrude from the side wall of the first movable rod 1112 or be flush with the side wall of the first movable rod 1112. The side wall of the first sleeve 1111 is provided with a plurality of first limiting holes 1111a that match the first limiting member 411. The plurality of first limiting holes 1111a are spaced apart along the length direction of the first sleeve 1111. When the first limiting member 411 protrudes from the side wall of the first movable rod 1112, the first limiting member is engaged with the first limiting hole 1111a.

[0055] The side wall of the second movable rod 1212 is provided with a second limiting member (not shown in the figure). The second limiting member can protrude from the side wall of the second movable rod 1212 or be flush with the side wall of the second movable rod 1212. The side wall of the second sleeve 1211 is provided with a plurality of second limiting holes 1211a that match the second limiting member. The plurality of second limiting holes 1211a are spaced apart along the length direction of the second sleeve 1211. When the second limiting member protrudes from the side wall of the second movable rod 1212, the second limiting member is engaged with the second limiting hole 1211a.

[0056] See Figure 1 and Figure 6 Preferably, both the first limiting member and the second limiting member are ball-head plungers. The first limiting member moves radially along the first movable rod 1112 to switch between two states: protruding from the outer wall of the first movable rod 1112 and flush with the outer wall of the first movable rod 1112. The second limiting member moves radially along the second movable rod 1212 to switch between two states: protruding from the outer wall of the second movable rod 1212 and flush with the outer wall of the second movable rod 1212.

[0057] For ease of understanding, three of each of the first limiting holes 1111a and the second limiting hole 1211a are provided. When the height of the seat needs to be adjusted, the first limiting member is flush with the outer wall of the first movable rod 1112, releasing the restriction between the first limiting member and the first limiting hole 1111a, allowing the first movable rod 1112 to move. During the movement of the first movable rod 1112, when the first limiting member corresponds to the first limiting hole 1111a, the first limiting member can protrude from the side wall of the first movable rod 1112 to engage with the first limiting hole 1111a, thus limiting the first movable rod 1112. When the first limiting member is engaged with the lowermost first limiting hole 1111a, the length of the first telescopic section 111 is at its maximum; when the first limiting member is engaged with the uppermost first limiting hole 1111a, the length of the first telescopic section 111 is at its minimum. Similarly, the length of the second telescopic section 121 is adjusted by adjusting the second limiting member.

[0058] It should be noted that the above-mentioned setting of three first limiting holes 1111a and three second limiting holes 1211a is only one embodiment. In actual use, five, ten, etc., can be set according to the usage situation. The more first limiting holes 1111a and two limiting holes 1211a, the more adjustable height settings of this seat will have. The first limiting holes 1111a and two limiting holes 1211a correspond one-to-one and are set at the same horizontal height. After adjusting the height, the first limiting member and the second limiting member must be engaged in the first limiting hole 1111a and the second limiting hole 1211a at the same horizontal height to avoid the seat tilting after adjustment. In addition, the first limiting member and the second limiting member are in a state of protruding from the side wall of the corresponding movable rod when not subjected to external force. Pressing the first limiting member can switch the first limiting member to a state flush with the first movable rod 1112, and pressing the second limiting member can switch the second limiting member to a state flush with the second movable rod 1212.

[0059] The above settings allow for adjustment of the lengths of the first chair leg 110 and the second chair leg 120 to improve comfort. The adjustment process is simple, convenient, and easy to use.

[0060] In some embodiments, the first sleeve 1111 is provided with a first thread 1111b at the end away from the first connecting section 112, and the second sleeve 1211 is provided with a second thread 1211b at the end away from the second connecting section 122.

[0061] The chair leg assembly 100 also includes a locking nut 130. When the locking nut 130 engages with the first thread 1111b, the diameter of the end of the first sleeve 1111 with the first thread 1111b is reduced. When the locking nut 130 engages with the second thread 1211b, the diameter of the end of the second sleeve 1211 with the second thread 1211b is reduced.

[0062] See Figure 1 , Figure 3 and Figure 4 Preferably, the first thread 1111b is located at the lower end of the first sleeve 1111. When the first movable rod 1112 is adjusted to a suitable position, the locking nut 130 engages with the first thread 1111b, reducing the diameter of the lower end of the first sleeve 1111. This causes the lower end of the first sleeve 1111 to be locked with the first movable rod 1112, thereby improving the limiting effect on the first movable rod 1112. Similarly, the second thread 1211b is located at the lower end of the second sleeve 1211. When the second movable rod 1212 is adjusted to a suitable position, the locking nut 130 engages with the second thread 1211b, thus locking the second movable rod 1212. Through the above settings, on the one hand, the limiting effect on the first movable rod 1112 and the second movable rod 1212 can be improved in conjunction with the first limiting member and the second limiting member, preventing the first movable rod 1112 and the second movable rod 1212 from shifting under force when the user sits down; on the other hand, compared with the case of only setting the first limiting member and the second limiting member, the force on the first limiting member and the second limiting member can be reduced, preventing the first limiting member and the second limiting member from being damaged due to excessive force.

[0063] In some embodiments, the folding mechanism 200 includes a first link 210 and a second link 220, including one of the following configurations: one end of the first link 210 is rotatably connected to a first chair leg 110 of one set of chair leg assemblies 100, one end of the second link 220 is rotatably connected to a first chair leg 110 of another set of chair leg assemblies 100, and the other end of the first link 210 is rotatably connected to the other end of the second link 220; or one end of the first link 210 is rotatably connected to a second chair leg 120 of one set of chair leg assemblies 100, one end of the second link 220 is rotatably connected to a second chair leg 120 of another set of chair leg assemblies 100, and the other end of the first link 210 is rotatably connected to the other end of the second link 220.

[0064] See Figure 1 and Figure 2Preferably, one end of the first connecting rod 210 is rotatably connected to the first chair leg 110 located on the left, and one end of the second connecting rod 220 is rotatably connected to the first chair leg 110 located on the right. Both connecting rods are located between the two first chair legs 110. When the two sets of chair leg assemblies 100 approach each other, the first connecting rod 210 rotates counterclockwise, and the second connecting rod 220 rotates clockwise, causing the connection point of the two connecting rods to move upward, and the first connecting rod 210 and the second connecting rod 220 overlap, completing the folding and storage. When the two sets of chair leg assemblies 100 move away from each other, the two connecting rods rotate in the opposite direction compared to when the two sets of chair leg assemblies 100 are close together. When the two connecting rods rotate to a horizontal state, the two sets of chair leg assemblies 100 move away from each other to the maximum distance, completing the unfolding and making them available for use. Similarly, the two connecting rods can be rotatably connected to the second chair leg 120 of the two sets of chair leg assemblies 100 in the manner described above, achieving the same effect, as long as the two sets of chair leg assemblies 100 are connected by the first connecting rod 210 and the second connecting rod 220. With the above arrangement, the two sets of chair leg assemblies 100 can be moved closer to each other and further apart. When the two connecting rods are rotated to a horizontal position, the distance between the two sets of chair leg assemblies 100 reaches its maximum, thus achieving a limiting effect.

[0065] It should be noted that the two connecting rods are respectively connected to the lower ends of the two chair legs. Limiting buckles 211 are connected to both sides of the connection between the first connecting rod 210 and the second connecting rod 220. When the first connecting rod 210 and the second connecting rod 220 are set in the horizontal direction (that is, when the distance between the two sets of chair leg assemblies 100 is the farthest), the limiting buckles 211 simultaneously abut against the lower side wall of the connection end of the first connecting rod 210 and the second connecting rod 220 and the lower side wall of the connection end of the second connecting rod 220 and the first connecting rod 210. This ensures that when the two sets of chair leg assemblies 100 are close to each other, the two connecting rods can only rotate upwards, thereby preventing the two connecting rods from rotating downwards when the two sets of chair leg assemblies 100 are close to each other. If the two connecting rods rotate downwards, they may exceed the length range of the chair legs in the folded state, resulting in an increase in the folded volume and a reduction in the folding effect.

[0066] In some embodiments, the folding mechanism 200 further includes two U-shaped rods 230; each U-shaped rod 230 includes a first support segment 231, a second support segment 232, and a third support segment 233, which are arranged side by side. One end of the first support segment 231 is rotatably connected to a first chair leg 110 of one of the chair leg assemblies 100, and one end of the third support segment 233 is rotatably connected to a second chair leg 120 of the same chair leg assembly 100. The other end of the first support segment 231 and the other end of the third support segment 233 are connected through the second support segment 232. The middle portions of the two first support segments 231 and the middle portions of the two third support segments 233 are rotatably connected. The seat also includes a support fabric 400, the two sides of which are respectively connected to the two second support segments 232.

[0067] See Figure 1 , Figure 6 and Figure 7 Preferably, in one U-shaped rod 230, the first support segment 231 is connected to the first chair leg 110 located on the left, and its third support segment 233 is connected to the second chair leg 120 located on the left. In the other U-shaped rod 230, the first support segment 231 is connected to the first chair leg 110 located on the right, and its third support segment 233 is connected to the second chair leg 120 located on the right. The two first support segments 231 and the two third support segments 233 form a configuration as follows: Figure 1 The cross structure shown has the support fabric 400 connected to two second support sections 232 on both sides. For ease of understanding, when the two sets of chair leg assemblies 100 are far apart (i.e., when the two U-shaped rods are unfolded), the two second support sections 232 are at the same horizontal height, and the support fabric 400 is unfolded, providing a place for the user to sit and rest. When the two sets of chair leg assemblies 100 are close together (i.e., when the two U-shaped rods are folded), the U-shaped rod 230 connected to the left chair leg assembly 100 rotates counterclockwise, and the U-shaped rod 230 connected to the right chair leg assembly 100 rotates clockwise, causing the two second support sections 232 to move closer together. Since the support fabric 400 is made of soft material, it can fold towards the center with the movement of the second support sections 232, without affecting the movement of the two sets of chair leg assemblies 100 closer together.

[0068] With the above settings, the two U-shaped rods 230 can switch between folded and unfolded states as the two sets of chair leg assemblies 100 move. In the unfolded state, the two U-shaped rods 230 form a cross structure to cooperate with the support cloth 400 to provide a seat. In the folded state, they are stored away. The switching between the above states does not affect the normal movement of the chair leg assembly 100, and the operation is simple and convenient.

[0069] It should be noted that when a user sits down, the pressure on the support fabric 400 and the second support section 232 may be excessive, causing the two U-shaped rods to rotate downwards too much and become damaged. To avoid this, a limiting device, such as a limiting groove, can be provided in the chair leg assembly 100. When the two U-shaped rods 230 are in the extended state, the second support section 232 of the U-shaped rod 230 abuts against the limiting groove of the chair leg assembly 100 to which the other U-shaped rod 230 is connected, preventing the U-shaped rods from rotating too much and becoming damaged. The above methods are only some embodiments to facilitate understanding of the above problems and do not limit the specific implementation.

[0070] In some embodiments, the folding mechanism 200 further includes a plurality of limiting rods 240, the other end of the first support segment 231 being connected to the first chair leg 110 of another set of chair leg assemblies 100 via the limiting rods 240; the other end of the third support segment 233 being connected to the second chair leg 120 of another set of chair leg assemblies 100 via the limiting rods 240.

[0071] See Figure 1 , Figure 6 and Figure 7 Preferably, the limiting rod 240 corresponds to four chair legs, and is connected to each of the four chair legs one by one. Specifically, in the unfolded state, the end of the first support segment 231, which is rotatably connected to the first chair leg 110 on the left, away from the left chair leg assembly 100, is connected to the first chair leg 110 on the right via the limiting rod 240. Similarly, the two first support segments 231 and the two third support segments 233 are all connected to their corresponding chair legs via the limiting rod 240, forming a configuration as follows: Figure 1 The structure is shown. It should be noted that when the two U-shaped rods 230 are in the unfolded state, the limiting rod 240 is located below the second support section 232 of the U-shaped rod 230 it is connected to, and is connected to the inner side of the U-shaped rod 230 to provide support for the U-shaped rod 230 and prevent the U-shaped rod 230 from rotating downwards too much and causing damage. Through the above arrangement, sufficient support can be provided for the U-shaped rod 230 to ensure that the user can sit stably on the support cloth 400, and to effectively prevent the U-shaped rod 230 from rotating downwards too much during unfolding and causing damage.

[0072] For ease of understanding, when the two sets of chair leg assemblies 100 are close together, the limiting rod 240 connected to the left chair leg assembly 100 rotates counterclockwise under the action of the U-shaped rod 230. When the chair is in the folded state, the two limiting rods 240 rotate to fold with the corresponding first support section 231 and third support section 233. Similarly, the two limiting rods connected to the right chair leg assembly 100 rotate clockwise during folding to fold with the corresponding first support section 231 and third support section 233, respectively. Thus, the limiting rods 240 do not affect the overall folding and folding process of the chair.

[0073] In some embodiments, the seat further includes a first support rod 310 and a second support rod 320. One end of the first support rod 310 is rotatably connected to the chair leg assembly 100, and one end of the second support rod 320 is connected to the table 300. The other end of the first support rod 310 is hinged to the other end of the second support rod 320. The other end of the first support rod 310 is provided with a third limiting member 311, which abuts against the side wall of the second support rod 320. Alternatively, the other end of the second support rod 320 is provided with a third limiting member 311, which abuts against the side wall of the first support rod 310.

[0074] See Figure 1 and Figure 6 Preferably, the first support rod 310 and the second support rod 320 form a hinge structure. When the tabletop 300 is positioned horizontally, the first support rod 310 and the second support rod 320 extend along an inclined straight line (relative to the vertical direction) to provide support for the tabletop 300. When the tabletop 300 is rotated to fit against the chair legs for storage (i.e., when positioned vertically), the first support rod 310 and the second support rod 320 are folded vertically. The third limiting member 311 is located on the side of the second support rod 320 away from the chair leg assembly 100 to abut against the side wall of the first support rod 310 away from the chair leg assembly 100.

[0075] For ease of understanding, taking the structure located at the tabletop 300 on the right side as an example, the third limiting member 311 abuts against the right side wall of the first support rod 310. Thus, when the first support rod 310 and the second support rod 320 are in the unfolded state, the first support rod 310 cannot rotate counterclockwise under the limiting action of the third limiting member 311. This prevents the first support rod 310 and the second support rod 320 from rotating under the pressure of the tabletop 300, improving the stability of the tabletop 300 in a horizontal state. When it is necessary to fold it up, the user holds against the left side of the connection between the first support rod 310 and the second support rod 320 and applies a force perpendicular to the first support rod 310 and the second support rod 320 to the right, causing the first support rod 310 to rotate clockwise and the second support rod 320 to rotate counterclockwise. The angle between the first support rod 310 and the second support rod 320 changes, and the tabletop 300 rotates clockwise under the drive of the second support rod 320 to be close to the chair leg assembly 100 for folding up. The above settings provide effective support for the tabletop 300, and the tabletop 300 is easy and convenient to store and unfold.

[0076] It should be noted that the third limiting member 311 can achieve the above-mentioned effect whether it is located on the first support rod 310 or the second support rod 320. Furthermore, when the tabletop 300 is horizontally positioned, and the first support rod 310 and the second support rod 320 are positioned along an inclined straight line, the pressure applied by the tabletop 300 to the first and second support rods 310 and 320 is downward along the length of the first and second support rods 310 and 320, causing the first support rod 310 to tend to move counterclockwise. The third limiting member 311, abutting against the side wall of the first support rod 310, can prevent the first support rod 310 from rotating under pressure, effectively preventing support failure. Furthermore, since cosmetics are generally lightweight, the strength requirement for the third limiting member 311 is relatively low.

[0077] Furthermore, each tabletop 300 is fitted with a hinge structure formed by two of the aforementioned first support rods 310 and second support rods 320. The two hinge structures are respectively located on the front and rear sides of the tabletop 300. If this arrangement is adopted, the two first support rods 310 are respectively connected to the first chair leg 110 and the second chair leg 120 to effectively improve the support effect on the tabletop 300.

[0078] In some embodiments, the seat further includes a headrest assembly 500 disposed between two sets of chair leg assemblies 100 and detachably connected to at least one set of the two sets of chair leg assemblies 100; the headrest assembly 500 includes a headrest body 510 and a connecting rod 520, the headrest body 510 and the connecting rod 520 being slidably connected; wherein, the connecting rod 520 is detachably connected to a first chair leg 110 of at least one set of the two sets of chair leg assemblies 100; or, the connecting rod 520 is detachably connected to a second chair leg 120 of at least one set of the two sets of chair leg assemblies 100.

[0079] See Figure 1 and Figure 6 Preferably, the connecting rod 520 has a slide rail in the middle, and the headrest body 510 has a mounting seat on one side. The headrest body 510 is slidably engaged with the slide rail via the mounting seat. Both ends of the connecting rod 520 are respectively inserted into the top ends of the second connecting sections 122 of the two chair leg assemblies 100. When the two sets of chair leg assemblies 100 are far apart, both ends of the connecting rod 520 can connect to the two second connecting sections 122 respectively, thereby positioning the headrest body 510 between the two sets of chair leg assemblies 100 for the user to lean against. The headrest body 510 can slide vertically to adjust according to the user's height, improving comfort.

[0080] It should be noted that the second connecting segment 122 can be a tubular structure, with both ends of the connecting rod 520 inserted into the interiors of the two second connecting segments 122 respectively. The above method is only one embodiment and is for ease of understanding only, and does not limit the specific results of this application. In addition, the connecting rod 520 and the second connecting segments 122 form the frame of the backrest of this seat. The support fabric 400 can extend to the connecting rod 520 and connect with the connecting rod 520 or the second connecting segment 122 to form a backrest for the user to lean against.

[0081] In some embodiments, the chair leg assembly 100 further includes a first crossbar 140 and a protective sleeve 141. One end of the first chair leg 110 and one end of the second chair leg 120 are connected by the first crossbar 140, and the protective sleeve 141 is fitted onto the middle of the first crossbar 140. The chair leg assembly 100 also includes a second crossbar 150 and a fabric 151. One end of the second crossbar 150 is connected to the middle of the first chair leg 110, and the other end of the second crossbar 150 is connected to the middle of the second chair leg 120. The two sides of the fabric 151 are respectively connected to the two second crossbars 150.

[0082] See Figure 1 Preferably, the top of the first chair leg 110 and the top of the second chair leg 120 are connected by a first crossbar 140. The protective cover 141 is made of soft material, and the first crossbar 140 and the protective cover 141 form an armrest for the user to place their hands, improving comfort. The middle of the first chair leg 110 and the middle of the second chair leg 120 are connected by a second crossbar 150. When the two sets of chair leg assemblies 100 are far apart, the carrying cloth 151 is unfolded for placing items. When the two sets of chair leg assemblies 100 are close together, the carrying cloth 151 is folded for storage. The carrying cloth 151 is made of soft material and deforms with the distance between the two sets of chair leg assemblies 100, without affecting the operation of the two sets of chair leg assemblies 100 moving closer and further apart.

[0083] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0084] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A seat, characterized in that, include: Two sets of chair leg assemblies are provided, and the two sets of chair leg assemblies are arranged correspondingly. Each chair leg assembly includes a first chair leg and a second chair leg arranged side by side. The first chair leg includes a first telescopic section and a first connecting section. The second chair leg includes a second telescopic section and a second connecting section. The first connecting section is connected to the second connecting section. The first telescopic section and the second telescopic section can extend and retract to adjust their own length. A folding mechanism is connected between the two sets of chair leg assemblies, and the folding mechanism can switch between a folded state and an unfolded state. When the folding mechanism switches from a folded state to an unfolded state, the folding mechanism drives the two sets of chair leg assemblies to move away from each other; when the folding mechanism switches from an unfolded state to an unfolded folded state, the folding mechanism drives the two sets of chair leg assemblies to move closer to each other. The tabletop is located on the side of the chair leg assembly facing away from the other set of chair leg assemblies, and is rotatably connected to the adjacent chair leg assembly.

2. The seat of claim 1, wherein The first telescopic section includes a first sleeve and a first movable rod. One end of the first sleeve is connected to the first connecting section. The first sleeve is sleeved on the outer periphery of the first movable rod. The first movable rod extends from the other end of the first sleeve to the outside of the first sleeve. The first movable rod moves along the length direction of the first sleeve. The second telescopic section includes a second sleeve and a second movable rod. One end of the second sleeve is connected to the second connecting section. The second sleeve is sleeved on the outer periphery of the second movable rod. The second movable rod extends from the other end of the second sleeve to the outside of the second sleeve and moves along the length direction of the second sleeve.

3. The seat of claim 2, wherein, The first movable rod has a first limiting member on its side wall. The first limiting member can protrude from the side wall of the first movable rod or be flush with the side wall of the first movable rod. The side wall of the first sleeve has a plurality of first limiting holes that match the first limiting member. The plurality of first limiting holes are spaced apart along the length direction of the first sleeve. When the first limiting member protrudes from the side wall of the first movable rod, the first limiting member is engaged with the first limiting hole. The second movable rod has a second limiting member on its side wall. The second limiting member can protrude from the side wall of the second movable rod or be flush with the side wall of the second movable rod. The side wall of the second sleeve has a plurality of second limiting holes that match the second limiting member. The plurality of second limiting holes are spaced apart along the length direction of the second sleeve. When the second limiting member protrudes from the side wall of the second movable rod, the second limiting member is engaged with the second limiting hole.

4. The seat of claim 3, wherein The first sleeve has a first thread at the end away from the first connecting section, and the second sleeve has a second thread at the end away from the second connecting section; The chair leg assembly also includes a locking nut. When the locking nut engages with the first thread, the diameter of the end of the first sleeve with the first thread is reduced. When the locking nut engages with the second thread, the diameter of the end of the second sleeve with the second thread is reduced.

5. The seat of claim 1, wherein The folding mechanism includes a first link and a second link, and includes one of the following configurations: One end of the first link is rotatably connected to the first chair leg of one of the chair leg assemblies, one end of the second link is rotatably connected to the first chair leg of another set of chair leg assemblies, and the other end of the first link is rotatably connected to the other end of the second link. One end of the first link is rotatably connected to the second leg of one set of chair leg assemblies, one end of the second link is rotatably connected to the second leg of another set of chair leg assemblies, and the other end of the first link is rotatably connected to the other end of the second link.

6. The seat of claim 5, wherein, The folding mechanism further includes two U-shaped rods; each U-shaped rod includes a first support section, a second support section, and a third support section, the first support section and the third support section being arranged side by side, one end of the first support section being rotatably connected to the first chair leg of one of the chair leg assemblies, one end of the third support section being rotatably connected to the second chair leg of the same chair leg assembly, and the other end of the first support section being connected to the other end of the third support section through the second support section; the middle sections of the two first support sections are rotatably connected, and the middle sections of the two third support sections are rotatably connected. The seat also includes a support fabric, with each side of the support fabric connected to one of the two second support sections.

7. The seat of claim 6, wherein The folding mechanism also includes multiple limiting rods. The other end of the first support section is connected to the first chair leg of another set of chair leg assemblies via the limiting rods. The other end of the third support section is connected to the second chair leg of another set of chair leg assemblies via the limiting rods.

8. The seat of claim 1, wherein, It also includes a first support rod and a second support rod, one end of the first support rod is rotatably connected to the chair leg assembly, one end of the second support rod is connected to the tabletop, and the other end of the first support rod is hinged to the other end of the second support rod; The other end of the first support rod is provided with a third limiting member, which abuts against the side wall of the second support rod. Alternatively, the other end of the second support rod is provided with a third limiting member, which abuts against the side wall of the first support rod.

9. The seat of claim 1, wherein, The seat also includes a headrest assembly, which is disposed between the two sets of chair leg assemblies and detachably connected to at least one of the two sets of chair leg assemblies; the headrest assembly includes a headrest body and a connecting rod, with the headrest body slidably connected to the connecting rod. The connecting rod is detachably connected to the first chair leg of at least one of the two sets of chair leg assemblies; Alternatively, the connecting rod may be detachably connected to at least one of the two sets of chair leg assemblies of the second chair leg.

10. The seat of claim 1, wherein, The chair leg assembly also includes a first crossbar and a protective sleeve. One end of the first chair leg and one end of the second chair leg are connected by the first crossbar, and the protective sleeve is fitted onto the middle of the first crossbar. The chair leg assembly also includes a second crossbar and a carrying cloth. One end of the second crossbar is connected to the middle of the first chair leg, and the other end of the second crossbar is connected to the middle of the second chair leg. The carrying cloth is connected to the two second crossbars on both sides respectively.

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