Folding stool

Abstract

The utility model relates to a chair, in particular to a folding stool which comprises a mounting frame, a seat plate, a supporting piece, a first hinge rod and a second hinge rod, according to the folding stool, the folding and supporting functions among the mounting frame, the seat plate and the supporting piece are achieved through the first hinge rod and the second hinge rod, when the seat plate is turned over, the first hinge rod and the second hinge rod can synchronously drive the supporting piece to act, and a user can unfold / fold the folding stool through one action; meanwhile, when the folding stool is unfolded, a first triangular supporting structure can be formed among the first shaft, the third shaft and the fifth shaft, and a second triangular supporting structure can be formed among the second shaft, the fourth shaft and the fifth shaft, so that the positions of the seat plate and the supporting piece are stable, and the structure of the folding stool in an unfolded state is more reliable.

Description

Technical Field

[0001] The utility model relates to a chair, in particular to a folding stool. Background Art

[0002] Among the existing folding stools, there are folding stools for wall attachment, which can be used in areas such as bathrooms and corridors; the current types of wall-mounted folding stools are:

[0003] For example, a folding external wall seat disclosed in Chinese Patent CN111345619A includes a fixed backboard fixed to a wall, and a rotatable seat board is arranged on the fixed backboard. In this structure, the stability is insufficient and the structure is not reliable enough as the entire force is borne by the locking of the fixed backboard on the wall.

[0004] For example, a folding wall chair disclosed in Chinese Patent CN104706071A adds a support part, which can be used for the support between the ground and the seat board, improving the structural reliability of the folding stool (chair) during use; however, when in use, the user needs to perform two actions of pulling out the seat board and pulling out the support part, which is inconvenient to operate.

[0005] For example, a bathroom folding chair disclosed in Chinese Patent CN215650748U includes a mounting frame, a seat board, a support part, and a connecting rod. The connecting rod is arranged between the mounting frame and the support part, enabling the support part to be synchronously pulled out when the seat board is pulled out, and the folding chair can be unfolded or folded with only one action; however, in this folding chair, the mounting frame, the seat board, the support part, and the connecting rod form a quadrilateral support structure when unfolded, and the support structure is unstable. During the rapid sitting and standing process of the user, the support part is prone to tilt and fold against the seat board, resulting in the seat board being unable to remain horizontal and causing injury to the user. Summary of the Utility Model

[0006] In view of this, the present utility model provides a folding stool to solve the problems of unstable support structure and easy tilting of the existing folding stools.

[0007] The solution provided by the present utility model includes:

[0008] A folding stool, comprising:

[0009] A mounting frame, a seat board, a support member, a first hinge rod, and a second hinge rod;

[0010] The first end of the seat board is hinged to the first end of the mounting frame through a first shaft, and the second end of the seat board is hinged to the first end of the support member through a second shaft;

[0011] The first end of the first hinge rod is hinged to the second end of the mounting bracket through a third shaft, and the second end of the mounting bracket is located below its first end; the first end of the second hinge rod is hinged to the support member through a fourth shaft; the second end of the first hinge rod is hinged to the second end of the second hinge rod through a fifth shaft; the first shaft, the second shaft, the third shaft, the fourth shaft, and the fifth shaft are all arranged in parallel.

[0012] The bottom of the seat plate is provided with a sliding portion for the fifth shaft to slide along a set path. The two ends of the sliding path of the fifth shaft in the sliding portion are respectively defined as a first limit position and a second limit position. The first limit position is closer to the mounting bracket than the second limit position, and the second limit position is closer to the support member than the first limit position.

[0013] Wherein, when the seat plate is horizontally unfolded, the second end of the support member abuts against the ground to support the seat plate, the fifth shaft is located at the second limit position, and a first triangular support structure is formed among the first shaft, the third shaft, and the fifth shaft, and a second triangular support structure is formed among the second shaft, the fourth shaft, and the fifth shaft.

[0014] When the seat plate is turned upwards for storage, the support member synchronously closes to the seat plate.

[0015] As a further optional solution, the sliding portion includes two limiting blocks arranged at the bottom of the seat plate and located on both sides of the fifth shaft respectively. The side of the limiting block facing the fifth shaft is provided with a guide groove. The two ends of the fifth shaft are respectively slidably arranged in the two guide grooves. The length direction of the guide groove is arranged along the sliding path of the fifth shaft, and the end of the guide groove close to the support member is a closed end to form the second limit position.

[0016] When the fifth shaft is located at the second limit position, the fifth shaft abuts against the inner wall of the guide groove.

[0017] As a further optional solution, the length of the first hinge rod is greater than the length of the second hinge rod.

[0018] The first hinge rod includes a first rod body, a second rod body, and a third rod body that are fixedly connected in sequence. The end of the first rod body away from the second rod body is hinged to the mounting bracket, and the end of the third rod body away from the second rod body is hinged to the second end of the second hinge rod through a fifth shaft.

[0019] When the folding stool is in the unfolded state, the angles between the first rod body and the horizontal plane and between the third rod body and the horizontal plane are both greater than the angle between the second rod body and the horizontal plane.

[0020] As a further alternative, a first recess is provided at the bottom of the seat board. When the support member approaches the seat board, at least a part of the support member is embedded in the first recess.

[0021] As a further alternative, the support member is in the shape of a plate. The first end of the second hinge rod is hinged to one side of the support member close to the mounting bracket through a fourth shaft. A second recess is provided on the side surface of the support member close to the seat board. When the support member approaches the seat board, a chamber for accommodating the first hinge rod and the second hinge rod is formed between the first recess and the second recess.

[0022] As a further alternative, during the process of the seat board being turned up and stored from the horizontal state to the vertical state, the distance from the third shaft to the second limit position gradually increases;

[0023] When the seat board is in the vertical state, the distance from the third shaft to the first limit position is equal to the distance from the third shaft to the second limit position when the seat board is in the horizontal state, and is equal to the distance between the two ends of the first hinge rod.

[0024] As a further alternative, the mounting bracket includes a mounting plate, and at least two ear plates are provided on one side of the mounting plate close to the seat board;

[0025] The seat board includes a plastic outer shell and a metal skeleton arranged inside the plastic outer shell. The first shaft is fixedly connected to the metal skeleton. An avoidance groove for inserting the ear plate is provided on the plastic outer shell, and the ear plate is hinged to the first shaft on the metal skeleton.

[0026] As a further alternative, a rubber cushion block is provided at the bottom of the second end of the support member.

[0027] As a further alternative, a plurality of friction bumps are provided on the top of the seat board.

[0028] As a further alternative, a hand-held part is provided on the second end of the seat board.

[0029] As a further alternative, the limiting block includes a first structural block fixedly arranged at the bottom of the seat board and a second structural block detachably arranged on the first structural block; the guide groove is formed between the first structural block and the second structural block.

[0030] As a further alternative, the first structural block and the second structural block are connected by bolts.

[0031] Compared with the prior art, the folding stool of the present application has at least the following beneficial effects:

[0032] The folding stool realizes the folding and supporting functions among the mounting frame, the seat board and the supporting member through the first hinge rod and the second hinge rod. When the seat board is turned over, the first hinge rod and the second hinge rod can synchronously drive the supporting member to act, and the user can realize the unfolding / folding of the folding stool with one action. At the same time, when the folding stool is unfolded, a first triangular support structure can be formed among the first axis, the third axis and the fifth axis, and a second triangular support structure can be formed among the second axis, the fourth axis and the fifth axis, so that the positions of the seat board and the supporting member are stable, and the structure of the folding stool in the unfolded state is more reliable. Description of the Drawings

[0033] Figure 1 is a schematic structural diagram of a folding stool in the unfolded state according to an embodiment of the present invention;

[0034] Figure 2 is a schematic bottom structural diagram of a folding stool in the unfolded state according to an embodiment of the present invention;

[0035] Figure 3 is a schematic structural diagram of a folding stool in the folded state according to an embodiment of the present invention;

[0036] Figure 4 is an exploded view of a folding stool according to an embodiment of the present invention;

[0037] Figure 5 is Figure 1 a cross-sectional view taken along line A-A in

[0038] Figure 6 is Figure 1 a cross-sectional view taken along line B-B in

[0039] Figure 7 is Figure 3 a cross-sectional view taken along line C-C in

[0040] Figure 8 is an exploded view of the limit block in an embodiment of the present invention;

[0041] Figure 9 is an exploded view of the seat board in an embodiment of the present invention.

[0042] In the figure, 1 is the mounting bracket; 11 is the mounting plate; 12 is the ear plate; 2 is the seat plate; 2a is the plastic housing; 2b is the metal skeleton; 2c is the avoidance groove; 20 is the sliding part; 21 is the limit block; 211 is the first structural block; 212 is the second structural block; 22 is the guide groove; 23 is the first embedding groove; 24 is the handheld part; 25 is the friction bump; 3 is the support member; 31 is the second embedding groove; 32 is the rubber cushion block; 4 is the first hinge rod; 4a is the first rod body; 4b is the second rod body; 4c is the third rod body; 5 is the second hinge rod; 6 is the first shaft; 7 is the second shaft; 8 is the third shaft; 9 is the fourth shaft; 10 is the fifth shaft. Detailed implementation manners

[0043] The following combines the accompanying drawings and embodiments to further describe in detail the specific implementation manners of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0044] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "vertical", "horizontal", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0045] In the present utility model, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0046] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature has a lower horizontal height than the second feature.

[0047] Reference Figure 1, an embodiment of the present utility model shows a folding stool, including a mounting frame 1, a seat board 2, a support member 3, a first hinge rod 4 and a second hinge rod 5;

[0048] Reference Figure 2 and Figure 5 , the first end of the seat board 2 is hinged to the first end of the mounting frame 1 through a first shaft 6, and the second end of the seat board 2 is hinged to the first end of the support member 3 through a second shaft 7; the first end of the first hinge rod 4 is hinged to the second end of the mounting frame 1 through a third shaft 8, and the second end of the mounting frame 1 is located below its first end; the first end of the second hinge rod 5 is hinged to the support member 3 through a fourth shaft 9; the second end of the first hinge rod 4 is hinged to the second end of the second hinge rod 5 through a fifth shaft 10; the first shaft 6, the second shaft 7, the third shaft 8, the fourth shaft 9 and the fifth shaft 10 are all arranged in parallel; a sliding part 20 for the fifth shaft 10 to slide along a set path is provided at the bottom of the seat board 2, and both ends of the sliding path of the fifth shaft 10 in the sliding part are respectively defined as a first limit position and a second limit position, the first limit position is closer to the mounting frame 1 than the second limit position, and the second limit position is closer to the support member 3 than the first limit position.

[0049] When used in a bathroom, the mounting frame 1 can be fixed to the bathroom wall or other supports by means of screws or clamping parts or pasting, etc., and one side of the mounting frame 1 away from the support member 3 is attached to the bathroom wall or other supports.

[0050] Such as Figure 1 , Figure 2 , and Figure 5 shown, when the folding stool is in the unfolded state, the seat board 2 is horizontally arranged, the second end of the support member 3 abuts against the ground to support the seat board 2, the fifth shaft is located at the second limit position, and a first triangular support structure is formed between the first shaft 6, the third shaft 8 and the fifth shaft 10, and a second triangular support structure is formed between the second shaft 7, the fourth shaft 9 and the fifth shaft 10;

[0051] Among them, since the second end of the mounting frame 1 is located below the first end of the mounting frame 1, and the seat board 2 rotates with the first shaft 6 on the first end of the mounting frame 1 as the center, during the process of the seat board 2 rotating from the side of the mounting frame 1 to above the mounting frame 1 (it can be understood as from Figure 5 state to Figure 7In the state where the distance between the second limit position and the third shaft 8 gradually increases, since the position of the first end of the first hinge rod 4 remains unchanged, the second end of the first hinge rod 4 will move from the second limit position to the first limit position. The fifth shaft 10 and the second end of the second hinge rod 5 move synchronously with the second end of the first hinge rod 4. The first hinge rod 4 and the second hinge rod 5 are linked, so that the support member 3 can be pulled by the first hinge rod 4 to drive the support member 3 to move closer to the seat plate 2 synchronously. Conversely, during the process of the seat plate 2 flipping from above the mounting frame 1 to the side of the mounting frame 1, the second end of the first hinge rod 4 will move from the first limit position to the second limit position until it reaches the second limit position, forming the first triangular support structure and the second triangular support structure.

[0052] In this way, the folding stool realizes the folding and supporting functions among the mounting frame 1, the seat plate 2 and the support member 3 through the first hinge rod 4 and the second hinge rod 5. When the seat plate 2 is flipped, the first hinge rod 4 and the second hinge rod 5 can drive the support member 3 to act synchronously, and the user can realize the unfolding / folding of the mounting frame 1, the seat plate 2 and the support member 3 with one action. At the same time, when the folding stool is unfolded, two triangular support structures can be formed to make the positions of the mounting frame 1, the seat plate 2 and the support member 3 stable, making the structure of the folding stool more reliable in the unfolded state. Especially during the process of the user changing the shower posture in the bathroom, that is, when sitting on the folding stool or standing up from the folding stool, the two triangular support structures of the present application can ensure that the folding stool will not tilt and always keep the seat plate 2 horizontal, thereby avoiding the user from being injured.

[0053] In some embodiments, the sliding part includes two limiting blocks 21 arranged at the bottom of the seat plate 2 and located on both sides of the fifth shaft 10 respectively. A guide groove 22 is provided on the side of the limiting block 21 facing the fifth shaft 10. Both ends of the fifth shaft 10 are slidably arranged in two guide grooves 22 respectively. The length direction of the guide groove 22 is arranged along the sliding path of the fifth shaft 10. One end of the guide groove 22 close to the support member 3 is a closed end to form the second limit position. When the fifth shaft 10 is located at the second limit position, the fifth shaft 10 abuts against the inner wall of the guide groove 22.

[0054] Among them, under the action of the self-weight of the seat plate 2, or under the combined action of the self-weight of the seat plate 2 and the weight of the user carried, the fifth shaft 10 can be kept pushed to the right (from Figure 5 the perspective), so that the fifth shaft 10 is fixed at the second limit position, making the first triangular support structure formed between the first shaft 6, the third shaft 8 and the fifth shaft 10 and the second triangular support structure formed between the second shaft 7, the fourth shaft 9 and the fifth shaft 10 stable and unchanged.

[0055] It should be noted that the end of the guide groove 22 close to the support member 3 is a closed end to form the second limit position on the sliding path of the fifth shaft 10. Since the first limit position on the sliding path of the fifth shaft 10 is limited by the length of the fifth shaft 10 itself, even if the guide groove 22 does not block the fifth shaft 10 in the direction close to the mounting frame 1, the fifth shaft still has a limit distance to slide leftward in the guide groove 22 (with a limit of 1 / 200 mm). Figure 5 Therefore, the other end of the guide groove 22 can be a closed end or an open end, and it is only necessary to make the length of the guide groove 22 greater than the sliding path of the fifth shaft 10, ensure that the first limit position is located in the guide groove 22, and ensure that the fifth shaft 10 does not leave the guide groove 22. Figure 6 As shown, in this embodiment, both ends of the guide groove 22 are closed ends, so that the first extreme position and the second extreme position are respectively formed at both ends of the guide groove 22; the width of the guide groove 22 matches the diameter of the fifth shaft 10 to prevent the fifth shaft 10 from vibrating in the guide groove 22, so that the fifth shaft 10 can only move along the length direction of the guide groove 22.

[0056] In some embodiments, Figure 5 and Figure 7 As shown, during the process of the seat plate 2 being stowed upward and flipped from the horizontal state to the vertical state, the distance from the third axis 8 to the second limit position gradually increases; when the seat plate 2 is in the vertical state, the distance from the third axis 8 to the first limit position is equal to the distance from the third axis 8 to the second limit position when the seat plate 2 is in the horizontal state, and is equal to the distance between the two ends of the first hinge rod 4. In this way, when the second end of the first hinge rod 4 is located at the first limit position, the seat plate is in the vertical state; when the second end of the first hinge rod 4 is located at the second limit position, the seat plate is in the horizontal state.

[0057] The guide groove 22 can be designed to be a straight line shape, an arc shape or other shapes, as long as it can provide a guide space for the fifth axis 10 to move between the mounting frame 1 and the support member 3, and provide a closed end for the fifth axis 10 to remain fixed in position at the second extreme position.

[0058] In some embodiments, Figure 5 and Figure 7As shown, the length of the first hinge rod 4 is greater than that of the second hinge rod 5; the first hinge rod 4 includes a first rod body 4a, a second rod body 4b, and a third rod body 4c that are fixedly connected in sequence. One end of the first rod body 4a away from the second rod body 4b is hinged to the mounting frame 1, and one end of the third rod body 4c away from the second rod body 4b is hinged to the second end of the second hinge rod 5 through a fifth shaft 10; when the folding stool is in the unfolded state, the angles between the first rod body 4a and the horizontal plane and between the third rod body 4c and the horizontal plane are both greater than the angle between the second rod body 4b and the horizontal plane; thus, the first hinge rod 4 can provide a greater pushing force to the second hinge rod 5, further ensuring the stability between the support member 3 and the seat board 2.

[0059] In some embodiments, as Figures 4 - 7 shown, a first embedding groove 23 is provided at the bottom of the seat board 2. When the support member 3 approaches the seat board 2, at least part of the support member 3 is embedded in the first embedding groove 23. In this way, the seat board 2 and the support member 3 can be at least partially overlapped, reducing the thickness after folding of the seat board 2 and the support member 3.

[0060] Preferably, the support member 3 is in a plate shape. The first end of the second hinge rod 5 is hinged to the side of the support member 3 close to the mounting frame 1 through a fourth shaft 9. A second embedding groove 31 is provided on the side of the support member 3 close to the seat board 2. When the support member 3 approaches the seat board 2, a chamber (not marked in the figure) for accommodating the first hinge rod 4 and the second hinge rod 5 is formed between the first embedding groove 23 and the second embedding groove 31. In this way, by providing the second embedding groove 31, a larger space is provided for the first hinge rod 4 and the second hinge rod 5, and the thickness after folding of the seat board 2 and the support member 3 can be further reduced; in addition, the plate-shaped support member 3 can shield the first hinge rod 4 and the second hinge rod 5, improving the aesthetic appearance.

[0061] In some embodiments, as Figure 9As shown, the mounting bracket 1 includes a mounting plate 11, and at least two ear plates 12 are provided on one side of the mounting plate 11 close to the seat plate 2; the seat plate 2 includes a plastic housing 2a and a metal skeleton 2b disposed inside the plastic housing 2a. The first shaft 6 is fixedly connected to the metal skeleton 2b. An avoidance groove 2c for inserting the ear plate 12 is provided on the plastic housing 2a, and the ear plate 12 is hinged to the first shaft 6 on the metal skeleton 2b. Among them, the mounting plate 11 can be fixed to a wall surface or other supports by means of screws, clamping members, pasting, etc. The metal skeleton 2b makes the structure of the seat plate 2 more robust, and the plastic housing 2a can make the touch of the seat plate 2 better. The avoidance groove 2c enables the ear plate 12 to extend into the plastic housing 2a to be hinged to the first shaft 6, and can also prevent interference between the plastic housing 2a and the ear plate 12 when the seat plate 2 rotates.

[0062] In some embodiments, as Figure 1 and Figure 5 shown, a rubber cushion block 32 is provided at the bottom of the second end of the support member 3; the second end of the support member 3 abuts against the ground through the rubber cushion block 32, which can increase the friction with the ground, make the position of the second end of the support member 3 more stable; and can prevent the support member 3 from directly contacting the ground, providing a protective effect for the support member 3 and the ground.

[0063] In some embodiments, as Figure 1 shown, a plurality of friction bumps 25 are provided on the top of the seat plate 2, and the friction bumps 25 are used to increase the friction on the top of the seat plate 2, so that it is not easy for the user to slide when sitting on the seat plate 2.

[0064] In some embodiments, as Figure 3 shown, a hand-held portion 24 is provided at the second end of the seat plate 2, and the hand-held portion 24 provides a gripping position for the user, facilitating the user to perform the action of flipping the seat plate 2.

[0065] In some embodiments, as Figure 4 and Figure 8 shown, the limiting block 21 includes a first structural block 211 fixedly provided at the bottom of the seat plate 2 and a second structural block 212 detachably provided on the first structural block 211; the guide groove 22 is formed between the first structural block 211 and the second structural block 212.

[0066] Among them, slots are provided on the first structural block 211 and / or the second structural block 212. After the first structural block 211 and the second structural block 212 are combined, a complete guide groove 22 is formed. In this embodiment, it is convenient to install the fifth shaft 10 into the guide groove 22. During installation, the two ends of the fifth shaft 10 can be first placed on the first structural block 211, and then the second structural block 212 is fixed on the first structural block 211. In addition, for the convenience of operation, the first structural block 211 and the second structural block 212 are connected by bolts.

[0067] In summary, the embodiment of the present utility model provides a folding stool. The folding stool realizes the folding and supporting functions among the mounting bracket 1, the seat board 2, and the support member 3 through the first hinge rod 4 and the second hinge rod 5. When the seat board 2 is flipped, the first hinge rod 4 and the second hinge rod 5 can synchronously drive the support member 3 to move, and the user can realize the unfolding / folding of the seat board 2 and the support member 3 with one action. At the same time, when the seat board 2 is unfolded, two triangular support structures can be formed to make the positions of the seat board 2 and the support member 3 stable, making the structure of the folding stool more reliable in the unfolded state.

[0068] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0069] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection scope of the present utility model.

Claims

1. A folding stool, characterized in that: include: A mounting frame (1), a seat plate (2), a support member (3), a first hinge rod (4) and a second hinge rod (5); The first end of the seat plate (2) is hinged to the first end of the mounting frame (1) via a first shaft (6), and the second end of the seat plate (2) is hinged to the first end of the support member (3) via a second shaft (7); The first end of the first hinged rod (4) is hinged to the second end of the mounting frame (1) via a third axis (8), and the second end of the mounting frame (1) is located below the first end thereof; the first end of the second hinged rod (5) is hinged to the support member (3) via a fourth axis (9); the second end of the first hinged rod (4) is hinged to the second end of the second hinged rod (5) via a fifth axis (10); the first axis (6), the second axis (7), the third axis (8), the fourth axis (9) and the fifth axis (10) are all arranged in parallel; A sliding portion is provided at the bottom of the seat plate (2) for the fifth shaft (10) to slide along a set path, and two ends of the sliding path of the fifth shaft (10) in the sliding portion (20) are respectively defined as a first limit position and a second limit position, the first limit position is closer to the mounting frame (1) relative to the second limit position, and the second limit position is closer to the support member (3) relative to the first limit position; Wherein, when the seat plate (2) is horizontally unfolded, the second end of the support member (3) abuts against the ground to support the seat plate (2), and the fifth axis (10) is located at the second extreme position; When the seat plate (2) is stored and flipped upward, the support member (3) is simultaneously moved closer to the seat plate (2).

2. The folding stool according to claim 1, characterized in that: The sliding portion comprises two limit blocks (21) arranged at the bottom of the seat plate (2) and respectively located on both sides of the fifth shaft (10); a guide groove (22) is provided on the side of the limit block (21) facing the fifth shaft (10); two ends of the fifth shaft (10) are respectively slidably arranged in the two guide grooves (22); the length direction of the guide groove (22) is arranged along the sliding path of the fifth shaft (10); one end of the guide groove (22) close to the support member (3) is a closed end to form the second limit position; When the fifth shaft (10) is located at the second extreme position, the fifth shaft (10) abuts against the inner wall of the guide groove (22).

3. The folding stool according to claim 2, characterized in that: The length of the first hinged rod (4) is greater than the length of the second hinged rod (5); The first hinged rod (4) comprises a first rod body (4a), a second rod body (4b) and a third rod body (4c) which are fixedly connected in sequence, one end of the first rod body (4a) away from the second rod body (4b) is hinged to the mounting frame (1), and one end of the third rod body (4c) away from the second rod body (4b) is hinged to the second end of the second hinged rod (5) via a fifth axis (10); When the folding stool is in an unfolded state, the angle between the first rod (4a) and the horizontal plane and the angle between the third rod (4c) and the horizontal plane are both greater than the angle between the second rod (4b) and the horizontal plane.

4. The folding stool according to claim 1, characterized in that: The bottom of the seat plate (2) is provided with a first embedding groove (23); when the support member (3) is brought close to the seat plate (2), at least a portion of the support member (3) is embedded in the first embedding groove (23).

5. The folding stool according to claim 4, characterized in that: The support member (3) is plate-shaped, and the first end of the second hinged rod (5) is hinged to a side of the support member (3) close to the mounting frame (1) through a fourth axis (9). A second embedding groove (31) is provided on the side of the support member (3) close to the seat plate (2). When the support member (3) is close to the seat plate (2), a chamber for accommodating the first hinged rod (4) and the second hinged rod (5) is formed between the first embedding groove (23) and the second embedding groove (31).

6. The folding stool according to any one of claims 1 to 3, characterized in that: In the process of the seat plate (2) being stored upward and flipped from a horizontal state to a vertical state, the distance from the third axis (8) to the second extreme position gradually increases; When the seat plate (2) is in a vertical state, the distance from the third axis (8) to the first extreme position is equal to the distance from the third axis (8) to the second extreme position when the seat plate (2) is in a horizontal state, and is equal to the distance between the two ends of the first hinged rod (4).

7. The folding stool according to claim 1, characterized in that: The mounting frame (1) comprises a mounting plate (11), and at least two ear plates (12) are provided on a side of the mounting plate (11) close to the seat plate (2); The seat plate (2) comprises a plastic shell (2a) and a metal frame (2b) arranged in the plastic shell (2a); the first shaft (6) is fixedly connected to the metal frame (2b); the plastic shell (2a) is provided with an avoidance groove (2c) for the ear plate (12) to be inserted; and the ear plate (12) is hinged to the first shaft (6) on the metal frame (2b).

8. The folding stool according to claim 1, characterized in that: A hand-held portion (24) is provided on the second end of the seat plate (2).

9. The folding stool according to claim 2, characterized in that: The limit block (21) comprises a first structural block (211) fixedly arranged at the bottom of the seat plate (2) and a second structural block (212) detachably arranged on the first structural block (211); the guide groove (22) is formed between the first structural block (211) and the second structural block (212).

10. The folding stool according to claim 9, characterized in that: The first structural block (211) and the second structural block (212) are connected by bolts.

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