Chair

Abstract

The utility model provides a chair, which relates to the technical field of chairs, the chair comprises a seat plate and a leg component, the bottom surface of the seat plate is provided with a limiting bulge, and the limiting bulge comprises a sliding part and a first limiting part which are connected up and down; an elastic limiting piece is arranged on the bottom face of the seat plate and comprises an elastic reset structure and a second limiting part. The leg assembly comprises a connecting plate, a limiting sliding groove corresponding to the limiting protrusion is formed in the connecting plate, the limiting sliding groove comprises a first groove part and a second groove part which are connected in sequence, and the width of the first groove part is configured to enable the sliding part and the first limiting part to penetrate in the vertical direction; the width of the second groove part is configured to enable the sliding part to slide in the length direction of the second groove part and prevent the first limiting part from penetrating through the second groove part in the vertical direction. A positioning hole is formed in the connecting plate, and when the connecting plate slides in place in the length direction of the limiting sliding groove, the second limiting part and the positioning hole are vertically aligned.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field especially is involved in a chair. BACKGROUND

[0002] With the development of furniture manufacturing technology, the design of modern chairs pays more and more attention to comfort and functionality.

[0003] The existing chair usually includes a seat plate and a stool leg, and the two parts are usually fixedly connected by screws. Specifically, the stool leg and the seat plate are connected by four groups of screws at four corners. This connection mode can ensure the stability and safety of the chair structure.

[0004] However, this connection mode also has obvious disadvantages, that is, when assembling or disassembling the chair, multiple groups of screws need to be tightened or loosened one by one, the operation process is relatively cumbersome and time-consuming, and the use experience of the user is affected to a certain extent.

[0005] In the prior art, although various methods for improving the connection mode of the chair have been proposed, most of them still cannot fundamentally solve this problem. INVENTION CONTENTS

[0006] The utility model aims at providing a chair to alleviate the technical problem of inconvenient assembly of the existing chair.

[0007] The utility model provides a chair, which comprises:

[0008] The seat plate is provided with a limiting protrusion on the bottom surface, the limiting protrusion comprises a sliding part and a first limiting part connected in sequence, the top end of the sliding part is connected with the seat plate, and the bottom end of the sliding part is connected with the first limiting part; the bottom surface of the seat plate is provided with an elastic limiting part, the elastic limiting part comprises an elastic reset structure and a second limiting part, one end of the elastic reset structure is connected with the seat plate, the other end is connected with the second limiting part, so that the second limiting part has a downward movement trend perpendicular to the bottom surface of the seat plate;

[0009] The leg assembly comprises a connecting plate, the connecting plate is provided with a limiting sliding groove corresponding to the limiting protrusion, the limiting sliding groove penetrates the upper and lower surfaces of the connecting plate, and the length direction of the limiting sliding groove is along the direction of the limiting sliding groove, the limiting sliding groove comprises a first groove part and a second groove part connected in sequence, the width of the first groove part is configured to enable the sliding part and the first limiting part to pass through in the up-down direction; the width of the second groove part is configured to enable the sliding part to slide in the length direction, and the first limiting part is prevented from passing through the second groove part in the up-down direction;

[0010] The connecting plate is provided with a positioning hole, when the second limiting part is slid along the length direction of the limiting sliding groove to a position, the second limiting part is aligned with the positioning hole up and down, and the second limiting part is driven by the elastic reset structure to enter the positioning hole to prevent the seat plate from moving along the length direction of the limiting sliding groove.

[0011] Further, the number of the limiting protrusions is four, and the four limiting protrusions are distributed at the four corners of the bottom surface of the seat plate.

[0012] Correspondingly, the number of the limiting sliding grooves on the connecting plate is also four, and corresponds to the limiting protrusions one by one.

[0013] Further, along the sliding direction of the sliding groove, the bottom surface of the second limiting part comprises a first guide inclined surface and a second guide inclined surface connected in sequence, the first guide inclined surface is downwardly inclined towards the direction of the second guide inclined surface, and the second guide inclined surface is upwardly inclined.

[0014] Further, the leg assembly further comprises a fixing part, a rotating part and a leg part, the fixing part is connected with the connecting plate, the rotating part is rotationally connected with the fixing part, and the leg part is connected with the rotating part.

[0015] Further, the rotating part comprises a shaft sleeve.

[0016] The fixing part is fixedly connected with a rotating shaft, a part of the rotating shaft is located in the shaft sleeve and rotationally connected with the shaft sleeve.

[0017] A rotating ring is rotationally connected outside the shaft sleeve, a connecting rod is connected with the rotating ring, one end of the connecting rod is connected with the rotating ring, and the other end is connected with a tray.

[0018] Further, the tray is rotationally connected with the connecting rod.

[0019] And / or, the edge of the tray is connected with a pen rack.

[0020] Further, the leg part comprises a plurality of stool legs and a storage plate located between the plurality of stool legs and connected with the stool legs respectively.

[0021] Further, the leg assembly comprises four stool legs connected with the connecting plate.

[0022] Further, the bottom of the two stool legs on the left side is connected by a first connecting rod, so that the two stool legs on the left side and the first connecting rod are connected to form a U shape.

[0023] The bottom of the two stool legs on the right side is connected by a second connecting rod, so that the two stool legs on the right side and the second connecting rod are connected to form a U shape.

[0024] Further, it further comprises a cover connected with the bottom surface of the seat plate, and the cover covers the connecting plate.

[0025] The chair has at least the following advantages or beneficial effects:

[0026] The chair comprises a seat plate and a leg assembly. A limiting protrusion is arranged on the bottom surface of the seat plate. The limiting protrusion comprises a sliding part and a first limiting part which are connected in sequence. The top end of the sliding part is connected with the seat plate, and the bottom end of the sliding part is connected with the first limiting part. An elastic limiting part is arranged on the bottom surface of the seat plate. The elastic limiting part comprises an elastic reset structure and a second limiting part. One end of the elastic reset structure is connected with the seat plate, and the other end of the elastic reset structure is connected with the second limiting part, so that the second limiting part has a downward movement trend which is perpendicular to the bottom surface of the seat plate. The leg assembly comprises a connecting plate. The connecting plate is provided with a limiting sliding groove which corresponds to the limiting protrusion. The limiting sliding groove penetrates the upper and lower surfaces of the connecting plate and has a length direction along the limiting sliding groove. The limiting sliding groove comprises a first groove part and a second groove part which are connected in sequence. The width of the first groove part is configured to enable the sliding part and the first limiting part to pass through in the up-down direction. The width of the second groove part is configured to enable the sliding part to slide in the length direction of the second groove part and to prevent the first limiting part from passing through the second groove part in the up-down direction. The connecting plate is provided with a positioning hole. When the second limiting part is slid in the length direction of the limiting sliding groove, the second limiting part is aligned with the positioning hole in the up-down direction. The second limiting part is driven by the elastic reset structure to enter the positioning hole, so as to prevent the seat plate from moving in the length direction of the limiting sliding groove.

[0027] When the user assembles the seat plate and the leg assembly, the leg assembly can be placed on the ground, and at this time, the connecting plate faces upward. Then, the limiting protrusion on the seat plate is aligned with the first groove part of the limiting sliding groove in the up-down direction, the seat plate is placed downward from top to bottom, and the limiting protrusion is inserted into the limiting sliding groove. At this time, the connecting plate abuts against the second limiting part, and the elastic reset part is compressed. Then, the seat plate is horizontally pushed in the length direction of the limiting sliding groove, so that the limiting protrusion slides to the position of the second groove part. At this time, the second limiting part is aligned with the positioning hole in the up-down direction, and the second limiting part is driven by the elastic reset structure to enter the positioning hole. The second limiting part forms a horizontal stop, and the seat plate cannot move horizontally (parallel to the length direction of the limiting sliding groove) any more. Under the limiting of the second groove part, the seat plate also cannot move in the up-down direction, so that the seat plate and the leg assembly are assembled. When disassembly is needed, the second limiting part is pressed to make the second limiting part separate from the positioning hole, and then the seat plate is horizontally slid to make the limiting protrusion move to the first groove part, so that the seat plate can be pulled out upward. The above structure is adopted to connect the seat plate and the leg assembly, and the convenience of connection is greatly improved. Attached Figure Description

[0028] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0029] Figure 1 A schematic diagram of the chair provided in Embodiment 1 of this utility model;

[0030] Figure 2 A schematic diagram showing a partial position of the bottom surface of the seat of the chair provided in Embodiment 1 of this utility model;

[0031] Figure 3 A schematic diagram of the connecting plate of the chair provided in Embodiment 1 of this utility model;

[0032] Figure 4 This is a schematic diagram of the connection between the connecting plate and the seat of the chair provided in Embodiment 1 of this utility model;

[0033] Figure 5 A cross-sectional view of the fixing part and the rotating part of the chair provided in Embodiment 1 of this utility model;

[0034] Figure 6 This is a schematic diagram of the chair provided in Embodiment 2 of this utility model.

[0035] Icons: 1 - Seat plate; 11 - Limiting protrusion; 111 - Sliding part; 112 - First limiting part; 12 - Second limiting part; 121 - First guide slope; 122 - Second guide slope;

[0036] 2 – Leg assembly; 21 – Connecting plate; 22 – Limiting groove; 221 – First groove; 222 – Second groove; 23 – Positioning hole;

[0037] 31 – Fixing part; 32 – Rotating shaft; 33 – Bushing; 34 – Rotating ring; 35 – Connecting rod; 36 – Tray; 37 – Pen holder; 38 – Shelf;

[0038] 41 – Stool leg; 42 – First link; 43 – Second link;

[0039] 5 - Cover body. Detailed Implementation

[0040] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0041] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0042] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0043] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0044] In addition, the terms "horizontal", "vertical", etc. do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0045] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] Embodiment 1

[0047] As Figure 1 shown, the chair provided by the utility model comprises a seat plate 1 and a leg assembly 2.

[0048] The seat plate 1 comprises a bottom plate and a back plate, and the two can be integrally formed or assembled and connected.

[0049] As Figure 2 shown, the bottom surface of the bottom plate of the seat plate 1 is provided with a limiting protrusion 11 protruding downward.

[0050] Specifically, the limiting protrusion 11 comprises a sliding part 111 and a first limiting part 112 connected in sequence, the cross-sectional area of the sliding part 111 is smaller, the cross-sectional area of the first limiting part 112 is larger, and the limiting protrusion 11 is roughly in the shape of an inverted T.

[0051] The top end of the sliding part 111 is connected with the seat plate 1, the bottom end of the sliding part 111 is connected with the first limiting part 112, the limiting protrusion 11 can be integrally formed with the bottom plate and is prepared by injection molding.

[0052] The bottom surface of the seat plate 1 is provided with an elastic limiting part, and the elastic limiting part can be located at the middle position of the four limiting protrusions 11. The elastic limiting part comprises an elastic reset structure and a second limiting part 12, one end of the elastic reset structure is connected with the seat plate 1, and the other end is connected with the second limiting part 12, so that the second limiting part 12 has a tendency to move downward along the bottom surface of the seat plate 1. Specifically, the elastic reset structure can be a spring or a spring piece, and in the natural state, the elastic reset structure pushes the second limiting part 12 to be away from the bottom plate, that is, the second limiting part 12 is in a protruding state. When the user presses the second limiting part 12 upward, the elastic reset structure is compressed, and the second limiting part 12 can move toward the side of the bottom plate, that is, the second limiting part 12 is in a retracted state.

[0053] As Figure 3As shown, the leg assembly 2 comprises a connecting plate 21, and four corners of the connecting plate 21 are provided with limiting grooves 22 corresponding to the limiting protrusions 11. The limiting grooves 22 penetrate the upper and lower surfaces of the connecting plate 21, and along the length direction of the limiting grooves 22, the limiting grooves 22 comprise a first groove part 221 and a second groove part 222 connected in sequence, and the first groove part 221 and the second groove part 222 are communicated. The width of the first groove part 221 is configured to enable the sliding part 111 and the first limiting part 112 to pass through in the up-down direction, and the width of the second groove part 222 is configured to enable the sliding part 111 to slide in the length direction thereof and prevent the first limiting part 112 from passing through the second groove part 222 in the up-down direction. The first groove part 221 has a larger width, the second groove part 222 has a smaller width, and the limiting groove 22 is in a "T" shape.

[0054] The connecting plate 21 is provided with a positioning hole 23, when the second limiting part 12 is slid to the position along the length direction of the limiting groove 22, the second limiting part 12 is aligned with the positioning hole 23 in the up-down direction, the second limiting part 12 loses the block, and the second limiting part 12 is driven by the elastic reset structure to enter the positioning hole 23 to prevent the seat plate 1 from moving along the length direction of the limiting groove 22.

[0055] As shown in the assembly process of the seat plate 1 and the leg assembly 2, Figure 4 When the user assembles the seat plate 1 and the leg assembly 2, the leg assembly 2 can be placed on the ground, at this time, the connecting plate 21 faces upward. Then, the limiting protrusion 11 on the seat plate 1 is aligned with the first groove part 221 of the limiting groove 22 in the up-down direction, the seat plate 1 is placed from top to bottom, the limiting protrusion 11 is inserted into the limiting groove 22, at this time, the connecting plate 21 abuts against the second limiting part 12, and the elastic reset member is compressed. Then, the seat plate 1 is horizontally pushed along the length direction of the limiting groove 22, so that the limiting protrusion 11 slides to the position where the second groove part is located, at this time, the second limiting part 12 is aligned with the positioning hole 23 in the up-down direction, the second limiting part 12 is driven by the elastic reset structure to enter the positioning hole 23, the second limiting part 12 forms a horizontal stop, and the seat plate 1 cannot move horizontally (parallel to the length direction of the limiting groove 22) any more. Under the limiting of the second groove part 222, the seat plate 1 also cannot move in the up-down direction, so that the seat plate 1 and the leg assembly 2 are assembled. When disassembly is needed, the second limiting part 12 is only needed to be pressed to make the second limiting part 12 separate from the positioning hole 23, then the seat plate 1 is horizontally slid to make the limiting protrusion 11 move to the first groove part 221, and the seat plate 1 can be pulled out upward. The above structure is used to connect the seat plate 1 and the leg assembly 2, which greatly improves the convenience of connection.

[0056] As shown in the assembly process of the seat plate 1 and the leg assembly 2, Figure 2As shown, along the sliding direction of the chute, the bottom surface of the second limiting part 12 comprises a first guide slope 121 and a second guide slope 122 connected in sequence, the first guide slope 121 is downwardly inclined towards the second guide slope 122, the second guide slope 122 is upwardly inclined, the first guide slope 121 and the second guide slope 122 form a "V" shape, which facilitates the contact of the first guide slope 121 and the second guide slope 122 with the edge of the positioning hole 23 when the seat plate 1 slides transversely, and the second limiting part 12 is pressed upward.

[0057] As shown in the drawings, the leg assembly 2 further comprises a fixing part 31, a rotating part and a leg part, the fixing part 31 is fixedly connected with the connecting plate 21, for example, by bolt connection. The rotating part is rotationally connected with the fixing part 31, and the two can be connected by a rotating shaft 32. Specifically, the upper end of the rotating shaft 32 is fixedly connected with the fixing part 31, and the lower end of the rotating shaft 32 is connected in a shaft sleeve 33 of the rotating part, and the rotating shaft 32 can rotate relative to the shaft sleeve 33. Figure 5

[0058] The outer side of the shaft sleeve 33 is rotationally connected with a rotating ring 34, the rotating ring 34 is in a cylindrical shape, and a connecting rod 35 is connected on the rotating ring 34, the connecting rod 35 is substantially in a "U" shape, one end of the connecting rod 35 is connected with the rotating ring 34, and the other end is connected with a tray 36, and the tray 36 can be used to place books.

[0059] The tray 36 is rotationally connected with the connecting rod 35, so that the connecting rod 35 can rotate relative to the leg assembly 2, and the tray 36 can rotate relative to the connecting rod 35, and the rotation range of the tray is larger.

[0060] The edge of the tray 36 is connected with a pen rack 37, the pen rack 37 is substantially in an "L" shape plate, and the pen rack 37 is connected with the tray 36 to form a containing groove, and the containing groove can prevent stationery.

[0061] The leg part comprises a plurality of stool legs 41, in the embodiment, the number of the stool legs 41 is four, and a storage plate 38 is connected between the four stool legs 41, and a schoolbag or a book can be placed on the storage plate 38.

[0062] ​The chair further comprises a cover 5 connected to the bottom surface of the seat plate 1, the cover 5 covering the connecting plate 21. In the embodiment, the cover plate is provided with a relief hole to avoid the rotating part, the rotating part being connected to the bottom surface of the seat plate 1 through the relief hole. Specifically, a first slot and a second slot facing each other can be provided on the bottom surface of the seat plate 1, and opposite edges of the cover plate can be inserted into the first slot and the second slot respectively, the distance between the opposite edges of the cover plate being slightly greater than the distance between the first slot and the second slot, the user pulling the cover plate to reduce the distance between the opposite edges, and placing the cover plate between the first slot and the second slot, and then releasing the hands, the cover plate being restored to be clamped between the first slot and the second slot.

[0063] Embodiment 2

[0064] As shown in Figure 6 different from embodiment 1, in the embodiment, the seat plate 1 and the leg assembly 2 are not rotatable relative to each other, the leg assembly 2 comprising four stool legs 41 connected to the connecting plate 21, the structure being simple and the cost being lower.

[0065] Embodiment 3

[0066] As shown in Figure 6 on the basis of embodiment 2, the bottom of the two stool legs 41 on the left is connected through a first connecting rod 42 to form a U shape, and the bottom of the two stool legs 41 on the right is connected through a second connecting rod 43 to form a U shape, thereby forming a "sled" type chair, the stability of the support being better.

[0067] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A chair, characterized in that The utility model relates to a chair, including: The bottom surface of the seat board (1) is provided with a limiting convex (11), and the limiting convex (11) includes a sliding part (111) and a first limiting part (112) connected in sequence, the top end of the sliding part (111) is connected with the seat board (1), and the bottom end of the sliding part (111) is connected with the first limiting part (112); the bottom surface of the seat board (1) is provided with an elastic limiting part, and the elastic limiting part includes an elastic reset structure and a second limiting part (12), one end of the elastic reset structure is connected with the seat board (1), and the other end is connected with the second limiting part (12), so that the second limiting part (12) has a tendency to move downward along the bottom surface of the seat board (1); The leg assembly (2) includes a connecting plate (21), and the connecting plate (21) is provided with a limiting sliding groove (22) corresponding to the limiting convex (11), the limiting sliding groove (22) penetrates the upper and lower surfaces of the connecting plate (21), and the length direction of the limiting sliding groove (22) is along the direction, and the limiting sliding groove (22) includes a first groove part (221) and a second groove part (222) connected in sequence, the width of the first groove part (221) is configured to enable the sliding part (111) and the first limiting part (112) to pass through in the up-down direction; the width of the second groove part (222) is configured to enable the sliding part (111) to slide along the length direction, and the first limiting part (112) is prevented from passing through the second groove part (222) in the up-down direction; The connecting plate (21) is provided with a positioning hole (23), when sliding in the length direction of the limiting sliding groove (22), the second limiting part (12) is aligned with the positioning hole (23) in the up-down direction, and the second limiting part (12) is driven into the positioning hole (23) by the elastic reset structure, so as to prevent the seat board (1) from moving along the length direction of the limiting sliding groove (22).

2. The chair of claim 1, wherein, The number of the limiting convex (11) is four, and the four limiting convex (11) is distributed in the four corners of the bottom surface of the seat board (1); Correspondingly, the number of the limiting sliding groove (22) on the connecting plate (21) is also four, and it corresponds to the limiting convex (11) one by one.

3. The chair of claim 1, wherein, In the sliding direction of the sliding groove, the bottom surface of the second limiting part (12) includes a first guide inclined surface (121) and a second guide inclined surface (122) connected in sequence, the first guide inclined surface (121) is inclined downward from the first guide inclined surface (121) to the second guide inclined surface (122), and the second guide inclined surface (122) is inclined upward.

4. The chair of claim 1, wherein, The leg assembly (2) further includes a fixed part (31), a rotating part and a leg, the fixed part (31) is connected with the connecting plate (21), the rotating part is rotationally connected with the fixed part (31), and the leg is connected with the rotating part.

5. The chair of claim 4, wherein, The rotating part includes a shaft sleeve (33); The fixed part (31) is fixedly connected with a rotating shaft (32), part of the rotating shaft (32) is located in the shaft sleeve (33) and is rotatably connected with the shaft sleeve (33); A rotating ring (34) is rotatably connected outside the shaft sleeve (33), the rotating ring (34) is connected with a connecting rod (35), one end of the connecting rod (35) is connected with the rotating ring (34) and the other end is connected with a tray (36).

6. The chair of claim 5, wherein, The tray (36) is rotatably connected with the connecting rod (35); And / or, a pen rack (37) is connected to the edge of the tray (36).

7. The chair of claim 1, wherein, The leg part includes a plurality of stool legs (41) and a storage plate (38) located between the plurality of stool legs (41) and connected with the stool legs (41) respectively.

8. The chair of claim 1, wherein, The leg part assembly (2) includes four stool legs (41) connected with the connecting plate (21).

9. The chair of claim 8, wherein, The bottoms of the two stool legs (41) on the left are connected by a first connecting rod (42) so that the two stool legs (41) on the left and the first connecting rod (42) are connected to form a U shape; The bottoms of the two stool legs (41) on the right are connected by a second connecting rod (43) so that the two stool legs (41) on the right and the second connecting rod (43) are connected to form a U shape.

10. The chair of any one of claims 1-9, wherein, A cover (5) connected with the bottom surface of the seat plate (1) is further included, the cover (5) covers the connecting plate (21).

Images