Waist supporting chair

Abstract

The present invention provides a lumbar support chair, comprising: a hip support part for supporting at least a part of the hip and at least a part of the legs of a user; the waist supporting part is used for supporting at least one part of the waist of the user; the hip supporting part and the waist supporting part are detachably connected through the locking device. When a user sits on the hip supporting part, the waist supporting part provides necessary support for the lumbar vertebra of the user, the natural curve of the spine can be maintained, and the burden of the lumbar vertebra is relieved. And the waist supporting part and the hip supporting part can be detached through the locking device, so that the waist supporting part and the hip supporting part can be independently manufactured in the production process, the production difficulty is reduced, the occupied space during transportation and storage is obviously reduced, the transportation and storage cost is reduced, and meanwhile, the product is convenient to carry and carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chair, especially a waist support chair. BACKGROUND

[0002] With the change of people's lifestyle and working style, sitting for a long time has become the norm for many people in modern society. However, long-term bad posture and lack of effective waist support often lead to discomfort and even damage to the lumbar spine and lower back. In order to alleviate these problems, various waist support chairs have appeared on the market, which provide waist and back support through scientific design to improve posture and reduce lumbar spine pressure.

[0003] However, the existing waist support chairs are mostly fixed as a whole, and the traditional fixed waist support is not easy to produce and package due to its structure, which often increases the production difficulty and transportation cost during production, transportation and daily use. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a waist support chair, which can reduce the pressure on the lumbar spine caused by long sitting for the user, and is convenient for users to carry in daily life, reduces production cost and improves transportation efficiency.

[0005] The utility model solves the technical problems by adopting the following technical scheme:

[0006] The utility model provides a waist support chair, which comprises:

[0007] A hip support part for supporting at least part of the user's hips and at least part of the legs;

[0008] A waist support part for supporting at least part of the user's waist;

[0009] A first locking device, the hip support part and the waist support part are detachably connected through the first locking device.

[0010] As an improvement of the utility model, the utility model further comprises a second locking device, the hip support part and the waist support part are detachably connected through the first locking device and the second locking device.

[0011] As an improvement of the utility model, the first locking device comprises a first locking part and a first locking matching part, the first locking part is arranged on the hip support part, the first locking matching part is arranged on the waist support part, and the first locking part and the first locking matching part are connected in a matching mode to lock and fix the hip support part and the waist support part;

[0012] Alternatively, the first locking member is located on the waist support portion, and the first locking engagement member is located on the hip support portion.

[0013] As an improvement of this utility model, the first locking member includes at least one first buckle, and the first locking mating member includes at least one first slot. The first buckle and the first slot engage to lock and fix the hip support part and the waist support part.

[0014] As an improvement of this utility model, at least one first insertion groove is recessed at the end where the waist support part is connected to the hip support part, and at least one first insertion groove is provided with the first slot; at least one first insertion member is protruding at the end where the hip support part is connected to the waist support part, and at least one first insertion member is provided with the first buckle. When the first insertion member is inserted into the first insertion groove, the first buckle is engaged with the first slot.

[0015] The beneficial effects of this invention are as follows: This invention provides a lumbar support chair, including a hip support for supporting at least a portion of the user's hips and legs; a lumbar support for supporting at least a portion of the user's lower back; and a locking device, through which the hip support and lumbar support are detachably connected. When the user sits on the hip support, the lumbar support provides necessary support for the user's lumbar spine, helping to maintain the natural curve of the spine and reducing the burden on the lumbar spine. Furthermore, since the lumbar support and hip support can be detached via the locking device, they can be manufactured independently during production, reducing production difficulty and significantly reducing the space occupied during transportation and storage, thus lowering transportation and storage costs, while also facilitating product carrying and handling. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the following description of the embodiments will be briefly introduced. The drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of this utility model from another perspective;

[0020] Figure 3 This is an exploded view of this utility model;

[0021] Figure 4 This is an exploded view of the present invention from another perspective;

[0022] Figure 5 This is a cross-sectional view of the present invention along the first connector;

[0023] Figure 6 yes Figure 5 Enlarged view at point A;

[0024] Figure 7 This is a cross-sectional view of the present invention along the second connector;

[0025] Figure 8 yes Figure 7 Enlarged view at point B;

[0026] Figure 9 This is an exploded view of the utility model from the rear perspective;

[0027] Figure 10 This is another exploded view of the present invention from the rear perspective;

[0028] Figure 11 yes Figure 10 Enlarged view at point C;

[0029] Figure 12 yes Figure 10 Enlarged view at point D;

[0030] Figure 13 This is a front view of the present invention;

[0031] Figure 14 This is another exploded view of this utility model;

[0032] Figure 15 This is a structural schematic diagram of Embodiment 2 of this utility model;

[0033] Figure 16 This is an exploded view of Embodiment 2 of this utility model;

[0034] Figure 17 This is a structural schematic diagram of Embodiment 3 of this utility model;

[0035] Figure 18 This is an exploded view of Embodiment 3 of this utility model;

[0036] Figure 19 This is a structural schematic diagram of Embodiment 4 of this utility model;

[0037] Figure 20 This is an exploded view of Embodiment 4 of this utility model;

[0038] Figure 21 This is another exploded view of Embodiment 4 of this utility model;

[0039] Figure 22 This is a structural schematic diagram of Embodiment 5 of this utility model;

[0040] Figure 23 This is an exploded view of Embodiment 5 of this utility model. Detailed Implementation

[0041] refer to Figures 1 to 14 A lumbar support chair, comprising:

[0042] Hip support 1, for supporting at least a portion of the user's hips and at least a portion of the legs;

[0043] The lumbar support 2 is used to support at least a portion of the user's lumbar region.

[0044] The first locking device 3 allows the hip support 1 and lumbar support 2 to be detachably connected. With this structure, when the user sits on the hip support 1, the lumbar support 2 provides necessary support to the user's lumbar spine, helping to maintain the natural curve of the spine and reducing the burden on the lumbar spine. Furthermore, since the lumbar support 2 and hip support 1 can be detached via the first locking device 3, they can be manufactured independently during production, reducing manufacturing difficulty. This also significantly reduces the space occupied during transportation and storage, lowering transportation and storage costs, and facilitating product carrying and handling.

[0045] In some embodiments, the hip support 1 and the lumbar support 2 are detachably connected by a snap fastener, rivet, screw, bolt, magnetic attachment, adhesive, bolt, rope, pin, or clamp. The magnetic attachment is a magnet or suction cup.

[0046] In this embodiment, the first locking device 3 includes a first locking member 31 and a first locking mating member 32. The first locking member 31 is disposed on the hip support portion 1, and the first locking mating member 32 is disposed on the waist support portion 2. The first locking member 31 and the first locking mating member 32 are connected to each other so that the hip support portion 1 and the waist support portion 2 are locked and fixed; or, the first locking member 31 is disposed on the waist support portion 2, and the first locking mating member 32 is disposed on the hip support portion 1.

[0047] Furthermore, the first locking member 31 includes at least one first buckle 311, and the first locking mating member 32 includes at least one first slot 321. The first buckle 311 and the first slot 321 engage to lock and fix the hip support 1 and the waist support 2. Specifically, the first locking member 31 includes three first buckles 311, and the first locking mating member 32 includes three first slots 321. Through the above structure, the engaging structure of the first buckles 311 and the first slots 321 makes the connection part less likely to loosen or fall off during use, thereby providing a durable and stable support effect.

[0048] In this embodiment, at least one first insertion groove 33 is recessed at the end where the lumbar support part 2 connects to the hip support part 1, and at least one first insertion groove 33 is provided with a first locking groove 321; at least one first insertion member 34 is protruding at the end where the hip support part 1 connects to the lumbar support part 2, and at least one first insertion member 34 is provided with a first buckle 311. When the first insertion member 34 is engaged with the first insertion groove 33, the first buckle 311 engages with the first locking groove 321. Specifically, the hip support part 1 is provided with four recessed first insertion grooves 33 and five first insertion members 34. Through the above structure, the engagement of the first insertion grooves 33 and the first insertion members 34, plus the engaging design of the first buckle 311 and the first locking groove 321, allows the lumbar support part 2 and the hip support part 1 to be stably connected together. The precise engagement of the first insertion members 34 and the first insertion grooves 33 makes the assembly process simpler and more efficient, reducing the time and effort of users during installation or disassembly.

[0049] In this embodiment, the lumbar support chair also includes a second locking device 4, and the hip support part 1 and the lumbar support part 2 are detachably connected by the first locking device 3 and the second locking device 4.

[0050] Specifically, the first locking device 3 includes a first locking member 31 and a first locking mating member 32. The first locking member 31 is located on the hip support portion 1, and the first locking mating member 32 is located on the waist support portion 2. The second locking device 4 includes a second locking member 41 and a second locking mating member 42. The second locking member 41 is located on the waist support portion 2, and the second locking mating member 42 is located on the hip support portion 1. The second locking member 41 and the second locking mating member 42 are connected in a cooperative manner, and the first locking member 31 and the first locking mating member 32 are connected in a cooperative manner, so that the hip support portion 1 and the waist support portion 2 are locked and fixed.

[0051] Furthermore, the first locking member 31 includes at least one first buckle 311, and the first locking mating member 32 includes at least one first slot 321. The first buckle 311 and the first slot 321 engage to lock and fix the hip support 1 and the waist support 2. The second locking member 41 includes at least one second buckle 411, and the second locking mating member 42 includes at least one second slot 421. The second buckle 411 and the second slot 421 engage to lock and fix the hip support 1 and the waist support 2. Through the above structure, the waist support 2 and the hip support 1 achieve a double-layer buckle connection through the engagement of the first buckle 311 and the first slot 321 and the engagement of the second buckle 411 and the second slot 421. This design makes the connection less prone to loosening or falling off during use, thus providing better and more durable and stable support.

[0052] Furthermore, at least one first insertion groove 33 is recessed at the end where the lumbar support part 2 connects to the hip support part 1, and at least one first insertion groove 33 is provided with a first locking groove 321. At least one first insertion member 34 is protruding at the end where the hip support part 1 connects to the lumbar support part 2, and at least one first insertion member 34 is provided with a first buckle 311. When the first insertion member 34 is inserted into the first insertion groove 33, the first buckle 311 engages with the first locking groove 321. At least one second insertion member 35 is protruding at the end where the lumbar support part 2 connects to the hip support part 1, and at least one second insertion member 35 is provided with a second buckle 411. At least one second insertion groove 36 is recessed at the end where the hip support part 1 connects to the lumbar support part 2, and at least one second insertion groove 36 is provided with a second locking groove 421. When the second insertion member 35 is inserted into the second insertion groove 36, the second buckle 411 engages with the second locking groove 421. Through the above structure, the first insertion slot 33 and the first insertion piece 34 are engaged and connected, and the double-layer snap-fit ​​design allows the waist support part 2 and the hip support part 1 to be stably connected together. The precise fit between the insertion piece and the insertion slot makes the assembly process simpler and more efficient, reducing the time and effort of users in the installation or disassembly process.

[0053] In this embodiment, the first connector 34 and the second connector slot 36 are staggered, and the first connector slot 33 and the second connector 35 are staggered. Through this structure, the double-fitting connection of the first connector 34 with the first connector slot 33 and the second connector 35 with the second connector slot 36 improves the firmness and stability of the connection. The staggered structural design effectively prevents loosening or misalignment between the support components, thereby enhancing the overall stability and load-bearing capacity of the support system. Furthermore, when the user sits down, an interaction force is generated between the first connector 34 and the first connector slot 33, and between the second connector 35 and the second connector slot 36. This interaction force further enhances the support effect of the lumbar support chair, especially when the user leans back, providing stronger lumbar support, reducing the burden on the lumbar spine, and improving user comfort and safety.

[0054] In this embodiment, the first buckle 311 is located on the side of the first connector 34 near the user's buttocks, and the first connector groove 33 is located on the side of the waist support 2 away from the user's waist; the second buckle 411 is located on the side of the second connector 35 near the user's waist, and the second connector groove 36 is located on the side of the buttock support 1 away from the user's buttocks.

[0055] In this embodiment, the hip support portion 1 has at least two protruding first connectors 34, and the lumbar support portion 2 has at least two recessed first connector slots 33; the hip support portion 1 has at least two recessed second connector slots 36, and the lumbar support portion 2 has at least two protruding second connectors 35; the hip support portion 1 has a first reinforcing rib 341 extending downward from the first connectors 34 on the side opposite to the user's hips; the lumbar support portion 2 has a second reinforcing rib 351 extending upward from the second connectors 35 on the side opposite to the user's waist. Through the above structure, the provision of the first reinforcing ribs 341 and the second reinforcing ribs 351 improves the overall rigidity and stability of the connectors, thereby enhancing the support effect of the lumbar support chair, enabling the lumbar support chair to withstand greater mechanical loads during long-term use, and extending the product's service life.

[0056] In this embodiment, the length range L1 of the first card slot 321 is 1-150mm, the height range H1 of the first card slot 321 is 1-40mm, and the width range D1 of the first card slot 321 is 1-30mm; preferably, the length of the first card slot 321 is 7mm, the height of the first card slot 321 is 6mm, and the width of the first card slot 321 is 3mm.

[0057] Furthermore, the length range L2 of the first buckle 311 is 1-150mm, the height range H2 of the first buckle 311 is 1-40mm, and the width range D2 of the first buckle 311 is 1-30mm. Preferably, the length of the first buckle 311 is 6mm, the height of the first buckle 311 is 5mm, and the width of the first buckle 311 is 3mm.

[0058] In this embodiment, the length range L3 of the second card slot 421 is 1-150mm, the height range H3 of the second card slot 421 is 1-40mm, and the width range D3 of the second card slot 421 is 1-30mm; preferably, the length of the second card slot 421 is 7mm, the height of the second card slot 421 is 6mm, and the width of the second card slot 421 is 3mm.

[0059] Furthermore, the length range L4 of the second buckle 411 is 1-150mm, the height range H4 of the second buckle 411 is 1-40mm, and the width range D4 of the second buckle 411 is 1-30mm. Preferably, the length of the second buckle 411 is 6mm, the height of the second buckle 411 is 5mm, and the width of the second buckle 411 is 3mm.

[0060] In this embodiment, the length range L5 of the first connector 34 is 1-150mm, the height range H5 of the first connector 34 is 3-150mm, and the width range D5 of the first connector 34 is 1-30mm; preferably, the length of the first connector 34 is 49.76mm, the height of the first connector 34 is 29.03mm, and the width of the first connector 34 is 3mm.

[0061] Furthermore, the length L6 of the first insertion slot 33 ranges from 1 to 150 mm, the height H6 of the first insertion slot 33 ranges from 3 to 150 mm, and the width D6 of the first insertion slot 33 ranges from 1 to 30 mm. Preferably, the length of the first insertion slot 33 is 51.37 mm, the height of the first insertion slot 33 is 29.29 mm, and the width of the first insertion slot 33 is 1.5 mm.

[0062] Furthermore, similarly, the length, height, and width of the first connector 34 and the second connector 35 are the same, and the length, height, and width of the first connector slot 33 and the second connector slot 36 are the same.

[0063] In this embodiment, the waist support portion 2 includes an upper edge 21 and a lower edge 22 disposed opposite to each other, and a first left edge 23 and a first right edge 24 connected to and disposed opposite to the upper edge 21 and the lower edge 22. The relative length of the upper edge 21 is less than the maximum relative length between the first left edge 23 and the first right edge 24. Specifically, the first left edge 23 is an arc-shaped edge, and the first right edge 24 is an arc-shaped edge.

[0064] In this embodiment, the maximum relative length range L7 between the first left edge 23 and the first right edge 24 is 400mm-450mm. Preferably, the maximum relative length between the first left edge 23 and the first right edge 24 is 432.46mm. The relative length range L8 between the upper edge 21 is 250mm-300mm. Preferably, the relative length of the upper edge 21 is 272mm.

[0065] In this embodiment, the hip support 1 includes a front edge 11 and a rear edge 12 disposed opposite to each other, and a second left edge 13 and a second right edge 14 connected to and disposed opposite to the front edge 11 and the rear edge 12. The second left edge 13 and the second right edge 14 are located on the same horizontal line. The hip support 1 also includes a top surface 15 and a bottom surface 16 disposed opposite to each other. The relative distance H7 between the maximum height of the second left edge 13 and the second right edge 14 and the minimum height of the bottom surface 16 is 80mm-100mm. Preferably, the relative distance between the maximum height of the second left edge 13 and the second right edge 14 and the minimum height of the bottom surface 16 is 91.4mm.

[0066] In this embodiment, the front edge 11 includes a first front edge 111, a second front edge 112, and a third front edge 113. The second front edge 112 is located between the first front edge 111 and the third front edge 113. The first front edge 111, the second front edge 112, and the third front edge 113 are all arc-shaped edges. The first front edge 111 and the third front edge 113 are concave arc-shaped edges, and the second front edge 112 is an upwardly convex arc-shaped edge.

[0067] In this embodiment, the buttock support 1 is provided with a plurality of first heat dissipation holes 101, which are symmetrically arranged on the buttock support 1. The second flexible pad 105 is provided with a plurality of second heat dissipation holes 106, and the positions and sizes of the first heat dissipation holes 101 and the second heat dissipation holes 106 are matched. Through the above structure, the heat dissipation effect of the buttock support 1 is effectively achieved, preventing discomfort caused by heat accumulation and keeping the seat cool and comfortable.

[0068] In this embodiment, the buttock support 1 is provided with a dividing protrusion 102, and the dividing protrusion 102 and the left and right ends of the buttock support 1 form a recessed first leg support groove 103 and a second leg support groove 104; the lumbar support 2 includes a left lumbar support plate 201, a middle lumbar support plate 202, and a right lumbar support plate 203, which are symmetrically arranged and both protrude towards the user. Through the above structure, the configuration of the first leg support groove 103 and the second leg support groove 104 allows the seat to better adapt to the user's body shape, providing a close-fitting sitting feel, optimizing the seat's fit, improving the overall support effect, and enabling the user to have a comfortable experience in various sitting postures.

[0069] In this embodiment, the lumbar support 2 is further provided with a first handle hole 204, which is located at the upper end away from the hip support 1; a first flexible pad 205 is connected to the side of the lumbar support 2 facing the user; the lumbar support 2 is provided with the first handle hole 204, and the first flexible pad 205 is provided with a second handle hole 206, the positions and sizes of the first handle hole 204 and the second handle hole 206 are matched; the first flexible pad 205 is composed of several sponge blocks, and each sponge block is separated by a first heat dissipation groove; a second flexible pad 105 is connected to the side of the hip support facing the user; the second flexible pad 105 is composed of several sponge blocks, and each sponge block is separated by a second heat dissipation groove; the hip support is provided with several first heat dissipation holes, and the second flexible pad 105 is provided with several second heat dissipation holes 106, the positions and sizes of the first heat dissipation holes and the second heat dissipation holes 106 are matched.

[0070] Example 2

[0071] refer to Figures 15-16 The difference between this embodiment and Embodiment 1 lies only in the connection method and structure between the lumbar support part 2 and the hip support part 1, specifically:

[0072] In this embodiment, the first locking member 31 includes a slot portion 300 disposed at the bottom of the hip support portion 1 and a limiting member 310. The slot portion 300 includes a communicating third insertion groove 320 and a plurality of insertion grooves 330. The first locking fitting member 32 is a transverse insertion portion 5 connected to the bottom end of the waist support portion 2. The transverse insertion portion 5 includes a third insertion member 51 that matches the third insertion groove 320 and a plurality of insertion members 52 that are connected to the third insertion member 51 and match the insertion grooves 330. The limiting member 310 is connected to the left and right sides of the hip support portion 1 and covers the insertion grooves 330. The limiting member 310 is used to limit the transverse insertion portion 5 within the slot portion 300.

[0073] Alternatively, the first locking member 31 includes a slot portion 300 and a limiting member 310 located at the bottom of the waist support portion 2. The slot portion 300 includes a communicating third insertion slot 320 and a plurality of pin slots 330. The first locking fitting member 32 is a transverse insertion portion 5 connected to the bottom end of the hip support portion 1. The transverse insertion portion 5 includes a third insertion member 51 that matches the third insertion slot 320 and a plurality of pin members 52 that are connected to the third insertion member 51 and match the pin slots 330. The limiting member 310 is connected to the left and right sides of the waist support portion 2 and covers the pin slots 330. The limiting member 310 is used to limit the transverse insertion portion 5 within the slot portion 300.

[0074] Example 3

[0075] refer to Figures 17-18 The difference between this embodiment and Embodiment 1 lies only in the connection method and structure between the lumbar support part 2 and the hip support part 1, specifically:

[0076] In this embodiment, the first locking member 31 includes an insertion end 6 evenly disposed on the buttock support portion 1 and a first limiting groove 61 and a second limiting groove 62 disposed opposite to each other on the upper and lower sides of the buttock support portion 1. The first locking fitting member 32 includes a transverse connecting portion 7 connected to the bottom end of the waist support portion 2. The transverse connecting portion 7 is provided with an upper limiting member 71 and a lower limiting member 72. The upper limiting member 71 and the lower limiting member 72 together form an insertion space. There is a gap between one end of the upper limiting member 71 and the lower limiting member 72, so that the upper limiting member 71 forms a first limiting protrusion 711 that matches the first limiting groove 61, and the lower limiting member 72 forms a second limiting protrusion 721 that matches the second limiting groove 62. The first locking member 31 is engaged with the first locking fitting member 32 along the distribution direction of the first locking member 31, so that the buttock support portion 1 and the waist support portion 2 are connected 1.

[0077] Alternatively, the first locking member 31 includes an insertion end 6 evenly disposed on the waist support part 2 and a first limiting groove 61 and a second limiting groove 62 disposed opposite to the upper and lower sides of the waist support part 2. The first locking fitting member 32 includes a transverse connecting part 7 connected to the bottom end of the hip support part 1. The transverse connecting part 7 is provided with an upper limiting member 71 and a lower limiting member 72. The upper limiting member 71 and the lower limiting member 72 together form an insertion space. There is a gap between one end of the upper limiting member 71 and the lower limiting member 72, so that the upper limiting member 71 forms a first limiting protrusion 711 that matches the first limiting groove 61, and the lower limiting member 72 forms a second limiting protrusion 721 that matches the second limiting groove 62. The first locking member 31 is engaged with the first locking fitting member 32 along the distribution direction of the first locking member 31, so that the waist support part 2 is connected to the hip support part 1.

[0078] Example 4

[0079] refer toFigures 19-21 The difference between this embodiment and Embodiment 1 lies only in the connection method and structure between the lumbar support part 2 and the hip support part 1, specifically:

[0080] In this embodiment, the hip support 1 is connected to a vertical connecting part 8. The first locking member 31 includes a plurality of first locking blocks 81 disposed on the vertical connecting part 8. The first locking fitting member 32 includes a first locking cavity 9 disposed at the end where the waist support 2 connects to the vertical connecting part 8 and matches the first locking blocks 81. The second locking member 41 includes a second locking block 91 disposed at the end where the waist support 2 connects to the vertical connecting part 8. The second locking fitting member 42 includes a second locking cavity 82 disposed on the vertical connecting part 8 and matches the second locking block 91. The first locking blocks 81 and the second locking cavities 82 are staggered, and the second locking blocks 91 and the first locking cavities 9 are staggered.

[0081] Alternatively, the lumbar support 2 is connected to a vertical connecting part 8, the first locking member 31 includes a plurality of first locking blocks 81 disposed on the vertical connecting part 8, the first locking mating member 32 includes a first locking cavity 9 disposed on the end where the hip support 1 is connected to the vertical connecting part 8 and matches the first locking blocks 81; the second locking member 41 includes a second locking block 91 disposed on the end where the hip support 1 is connected to the vertical connecting part 8, the second locking mating member 42 includes a second locking cavity 82 disposed on the vertical connecting part 8 and matches the second locking block 91; the first locking blocks 81 and the second locking cavities 82 are staggered, and the second locking blocks 91 and the first locking cavities 9 are staggered.

[0082] Example 5

[0083] refer to Figures 22-23 The difference between this embodiment and Embodiment 1 lies only in the connection method and structure between the lumbar support part 2 and the hip support part 1, specifically:

[0084] In this embodiment, the first locking member 31 includes a plurality of first locking holes 301 provided in the hip support portion 1; the waist support portion 2 is provided with a transverse connecting portion 7; the second locking member 41 includes a plurality of second locking holes 401 provided in the transverse connecting portion 7; the screw can pass through the first locking holes 301 and the second locking holes 401 to fix and lock the transverse connecting portion 7 to the hip support portion 1.

[0085] Alternatively, the first locking member 31 includes a plurality of first locking holes 301 provided in the waist support portion 2; the hip support portion 1 is provided with a transverse connecting portion 7, and the second locking member 41 includes a plurality of second locking holes 401 provided in the transverse connecting portion 7; the screw can pass through the first locking holes 301 and the second locking holes 401 to fix and lock the transverse connecting portion 7 to the waist support portion 2.

[0086] The above description provides one or more embodiments in conjunction with specific content, but it is not intended that the specific implementation of this utility model is limited to these descriptions. Any methods or structures that are similar to or identical to those of this utility model, or any technical deductions or substitutions made based on the concept of this utility model, should be considered within the scope of protection of this utility model.

Claims

1. A lumbar support chair characterized by, The hip support part (1) is used to support at least part of the user's hips and at least part of the user's legs. The waist support part (2) is used to support at least part of the user's waist. The first locking device (3) is used to detachably connect the hip support part (1) and the waist support part (2). The second locking device (4) is used to detachably connect the hip support part (1) and the waist support part (2) through the first locking device (3) and the second locking device (4).

2. A lumbar support chair according to claim 1, wherein, The first locking device (3) includes a first locking member (31) and a first locking matching member (32). The first locking member (31) is arranged on the hip support part (1), and the first locking matching member (32) is arranged on the waist support part (2). The first locking member (31) and the first locking matching member (32) are connected in a matching manner to lock and fix the hip support part (1) and the waist support part (2).

3. The lumbar support chair of claim 1, wherein, Alternatively, the first locking member (31) is arranged on the waist support part (2), and the first locking matching member (32) is arranged on the hip support part (1). The hip support part (1) and the waist support part (2) are detachably connected through buckles, rivets, screws, screws, suction members, magnets or suction cups.

4. The lumbar support chair of claim 1, wherein, The first locking member (31) includes at least one first buckle (311), and the first locking matching member (32) includes at least one first buckle groove (321). The first buckle (311) and the first buckle groove (321) are connected in a matching manner to lock and fix the hip support part (1) and the waist support part (2).

5. A lumbar support chair as claimed in claim 3, wherein, The waist support part (2) is connected to the hip support part (1) at one end and is concave at least one first plug-in groove (33). At least one first plug-in groove (33) is provided with the first buckle groove (321). The hip support part (1) is connected to the waist support part (2) at one end and is convex at least one first plug-in member (34). At least one first plug-in member (34) is provided with the first buckle (311). When the first plug-in member (34) and the first plug-in groove (33) are connected in a matching manner, the first buckle (311) and the first buckle groove (321) are connected in a matching manner. The first buckle (311) is arranged on the side of the first plug-in member (34) close to the user's hips. The first plug-in groove (33) is arranged on the side of the waist support part (2) away from the user's waist.

6. A lumbar support chair according to claim 5, wherein, ​ 7. A lumbar support chair as claimed in claim 2, wherein, The first locking device (3) comprises a first locking piece (31) and a first locking matching piece (32), the first locking piece (31) is arranged on the hip supporting part (1), and the first locking matching piece (32) is arranged on the waist supporting part (2); the second locking device (4) comprises a second locking piece (41) and a second locking matching piece (42), the second locking piece (41) is arranged on the waist supporting part (2), and the second locking matching piece (42) is arranged on the hip supporting part (1); the second locking piece (41) is connected with the second locking matching piece (42) in a matched mode, and the first locking piece (31) is connected with the first locking matching piece (32) in a matched mode, so that the hip supporting part (1) and the waist supporting part (2) are locked and fixed.

8. A lumbar support chair according to claim 7, wherein, The first locking piece (31) comprises at least one first buckle (311), the first locking matching piece (32) comprises at least one first clamping groove (321), the first buckle (311) is connected with the first clamping groove (321) in a matched mode, and the hip supporting part (1) and the waist supporting part (2) are locked and fixed; the second locking piece (41) comprises at least one second buckle (411), the second locking matching piece (42) comprises at least one second clamping groove (421), the second buckle (411) is connected with the second clamping groove (421) in a matched mode, and the hip supporting part (1) and the waist supporting part (2) are locked and fixed.

9. A lumbar support chair according to claim 8, wherein, The waist supporting part (2) and the hip supporting part (1) are connected at one end, and at least one first inserting groove (33) is arranged on the one end, at least one first inserting groove (33) is provided with the first clamping groove (321); the hip supporting part (1) and the waist supporting part (2) are connected at one end, and at least one first inserting piece (34) is arranged on the one end, at least one first inserting piece (34) is provided with the first buckle (311); when the first inserting piece (34) is connected with the first inserting groove (33) in a matched mode, the first buckle (311) is connected with the first clamping groove (321) in a matched mode; the waist supporting part (2) and the hip supporting part (1) are connected at one end, and at least one second inserting piece (35) is arranged on the one end, at least one second inserting piece (35) is provided with the second buckle (411); the hip supporting part (1) and the waist supporting part (2) are connected at one end, and at least one second inserting groove (36) is arranged on the one end, at least one second inserting groove (36) is provided with the second clamping groove (421); when the second inserting piece (35) is connected with the second inserting groove (36) in a matched mode, the second buckle (411) is connected with the second clamping groove (421) in a matched mode.

10. A lumbar support chair according to claim 9, wherein, The hip supporting part (1) is provided with at least two first inserting pieces (34), and the waist supporting part (2) is provided with at least two first inserting grooves (33); the hip supporting part (1) is provided with at least two second inserting grooves (36), and the waist supporting part (2) is provided with at least two second inserting pieces (35); the side of the hip supporting part (1) away from the hip of a user is provided with first reinforcing ribs (341) extending downward from the first inserting pieces (34); the side of the waist supporting part (2) away from the waist of a user is provided with second reinforcing ribs (351) extending upward from the second inserting pieces (35); the first inserting pieces (34) and the second inserting grooves (36) are staggered; the first inserting grooves (33) and the second inserting pieces (35) are staggered.

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