Chair back with supporting piece and seat

Abstract

The invention relates to the technical field of seats, in particular to a chair back with a supporting piece. The chair back comprises a body, fabric installed on the body and a supporting plate, the supporting plate is vertically arranged, the chair back further comprises a supporting piece, the supporting piece is used for supporting the middle of the fabric, the supporting piece is deformable and has elasticity, magnets are arranged on the side wall of the supporting piece, the supporting piece is connected with the supporting plate in a magnetic attraction mode through the magnets, and the supporting piece is connected with the supporting plate through the magnets. An adjusting assembly is arranged at the bottom of the supporting plate and used for adjusting the distance between the bottom end of the supporting plate and the body. The chair is provided with the chair back, the supporting chair back and the chair can automatically adapt to and adjust the stress of each partition of the spine according to the sitting posture and the posture of people, and the chair is diversified in function, strong in protection function and comfortable to sit.

Description

Technical Field

[0001] The invention relates to the technical field of seats, in particular to a chair back and a seat with a supporting member. Background Art

[0002] As people's demands for quality of life continue to increase, many people are no longer satisfied with simple seating functions of seats. In addition, long-term incorrect sitting posture may cause damage to the human spine. Therefore, there is a huge market demand for seats with multiple functions such as protecting the spine and easy adjustment.

[0003] For example, the Chinese utility model patent with announcement number CN210276539U discloses an adaptive chair back structure and seat, including a chair back assembly and a support frame, the support frame has at least one connecting portion connected to the chair back assembly, a rubber support member is installed on the connecting portion, the rubber support member includes a rubber support member body, and a plurality of elastic support arms are evenly distributed around the rubber support member body. By arranging a plurality of elastic support arms between the support frame and the chair back assembly, the chair back assembly changes its support state as the back of the human body moves.

[0004] However, the existing technology has the following problems: it only plays the role of adaptive adjustment of the back, and cannot fully adaptively adjust and protect the various spinal regions of the human body according to the sitting posture of the human body, and the support force is small, the function is limited, and the comfort is not enough. Therefore, the existing technology still needs to be improved. Summary of the invention

[0005] In order to solve the above technical problems, the purpose of the present invention is to provide a support chair back and seat with multiple functions, which protect the spine and provide comfortable sitting.

[0006] The technical solution adopted by the present invention to solve the problem is: a chair back and seat with a support member, including a main body, a fabric installed on the main body and a support plate, the support plate is in the shape of a vertically arranged strip, the support member is detachably installed on the support plate, the support plate and the support member are both elastic, and the support member is used to support the middle part of the fabric.

[0007] As a further improvement of the above technical solution, the cross section of the support member is a polygon with an opening, and the support member includes an elastic unit, and the elastic unit has a first end and a second end that are spaced apart;

[0008] The width of the elastic unit is 1-20 cm, the height of the elastic unit is 1-30 cm, the distance between the first end and the second end is 0.5-25 cm, and a groove extending in the front-to-back direction is provided on the inner side wall of the elastic unit.

[0009] As a further improvement of the above technical solution, the elastic unit includes a first elastic unit and a second elastic unit, and the first elastic unit and the second elastic unit are arranged vertically and formed in one piece;

[0010] The first end of the first elastic unit is connected to the second end of the second elastic unit, a mounting portion is provided at the connection between the first elastic unit and the second elastic unit, the second end of the first elastic unit is bent inwardly, and the first end of the second elastic unit is bent inwardly.

[0011] As a further improvement of the above technical solution, there are multiple support members with different hardnesses, a magnet is provided on the mounting portion, a magnet is also provided on the support plate, and the support member is magnetically connected to the support plate.

[0012] As a further improvement of the above technical solution, an adjustment assembly is provided at the bottom of the support plate, and the adjustment assembly includes a rotating rod, a nut and a knob;

[0013] The rotating rod is provided with threads, the nut is fixedly mounted on the bottom of the supporting plate, the rotating rod passes through the supporting plate and is threadedly connected to the nut;

[0014] The inner end of the rotating rod is rotatably connected to the body, and the outer end of the rotating rod is fixedly connected to the knob, and the knob is located outside the supporting plate.

[0015] As a further improvement of the above technical solution, the support plate includes an outer support plate and an inner support plate, and the inner support plate is installed on the inner side of the outer support plate;

[0016] A guide groove is integrally formed on the inner support plate, a spring sheet is provided on the side wall of the guide groove, a guide piece is provided in the middle of the guide groove, and a through hole arranged along the front-to-back direction is provided on the outer side wall of the outer support plate. There are multiple through holes, and the multiple through holes are arranged vertically.

[0017] As a further improvement of the above technical solution, it also includes a headrest, the headrest includes a headrest body, a front support part and a rear support part, the front support part is in an arc shape with an opening forward, the rear support part is arranged in the middle of the front support part, the hardness of the front support part is less than the hardness of the rear support part, and the headrest body is arranged on the front support part;

[0018] The front support part and the rear support part are made of different materials respectively and the front support part is installed at the front end of the rear support part, or the front support part and the rear support part are integrally formed and the thickness of the front support part is smaller than the thickness of the rear support part;

[0019] The supporting part includes a connecting block and a supporting block, and the relative positions of the connecting block and the supporting block can be adjusted forward and backward;

[0020] A support column is hinged at the bottom of the connection block, and the support column is vertically adjustably connected to the guide groove.

[0021] As a further improvement of the above technical solution, it also includes a waist support, the waist support includes an elastic belt and a sliding member, the elastic belt is arranged on the front side of the sliding member, the elastic belt abuts against the fabric, and the support member is located between the elastic belt and the sliding member;

[0022] A slide groove is provided in the middle of the sliding member, and the slide groove is slidably connected with the guide member up and down. Slide teeth are provided on both sides of the slide groove, and the slide teeth are slidably matched with the spring sheet. A wing handle is provided on the rear side wall of the sliding member.

[0023] As a further improvement of the above technical solution, a load-bearing plate is installed on the fabric, the load-bearing plate is made of elastic plastic material, and the load-bearing plate and the support member are arranged in front and back correspondence.

[0024] A chair comprises the chair back with a support as described above, and also comprises a seat and armrests, wherein the seat is rotatably connected to the bottom of the body, and the armrests are fixedly connected to both sides of the body.

[0025] The beneficial effects of the present invention are: by longitudinally arranging elastic and deformable support members on the chair back, the support points of the chair back force can be adaptively adjusted as the sitting posture of the human body is adjusted, so that the chair back can better support the human spine, and the support members can be customized in shape and hardness according to different needs, and can be installed by magnetic suction, and can be easily assembled and disassembled. Therefore, the chair back structure with support members has the advantages of protecting the spine, automatic adjustment and comfortable riding. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Figure 1 It is a structural schematic diagram of a preferred embodiment of the present invention;

[0028] Figure 2 for Figure 1 Explosion diagram of

[0029] Figure 3 It is a structural schematic diagram of the elastic unit of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the support member of the present invention;

[0031] Figure 5 It is an exploded schematic diagram of the support plate of the present invention;

[0032] Figure 6 It is a schematic diagram of the structure of the support plate, waist support and headrest bracket of the present invention;

[0033] Figure 7 A rear view of a preferred embodiment of the present invention;

[0034] Figure 8 for Figure 7 Cross-sectional view in the AA direction;

[0035] Fig. 9 for Figure 8 An enlarged schematic diagram of point B;

[0036] Fig.10 It is an exploded schematic diagram of the headrest of the present invention;

[0037] Fig.11 It is a structural schematic diagram of a lumbar support of the present invention.

[0038] In the figure: 1-main body, 2-fabric, 3-support plate, 31-inner support plate, 311-guide groove, 312-spring sheet, 313-guide member, 32-outer support plate, 321-through hole, 4-support member, 41-elastic unit, 411-first end, 412-second end, 413-groove body, 414-installation portion, 41a-first elastic unit, 41b-second elastic unit, 42-magnet, 5-adjustment component, 51-rotating rod, 52-nut, 53-knob, 6-load-bearing plate, 7-headrest, 70-headrest body, 71-front support part, 72-rear support part, 721-connecting block, 722-support block, 73-support column, 8-lumbar support, 81-elastic belt, 82-sliding member, 821-slide groove, 822-slide tooth, 823-wing handle. DETAILED DESCRIPTION

[0039] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0040] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 understood as a limitation on the present invention.

[0041] In the description of the present invention, the meaning of "several" is one or more, the meaning of "more" is more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of the first and the second, it is only for the purpose of distinguishing the technical features, and it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features. In the description of the present invention, unless otherwise clearly defined, the terms such as "set", "install", and "connect" should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meaning of the above terms in the present invention in combination with the specific content of the technical solution.

[0042] Reference Figures 1 to 4 In a preferred embodiment, a chair back with a support member includes a main body 1, a fabric 2 installed on the main body 1, and a support plate 3, the support plate 3 is in the shape of a vertically arranged strip, and a support member 4 is detachably installed on the support plate 3, and the support member 4 is used to support the middle part of the fabric 2.

[0043] The cross section of the support member 4 is a polygon with an opening. The support member 4 includes an elastic unit 41. The elastic unit 41 has a first end 411 and a second end 412 that are spaced apart.

[0044] The width of the elastic unit 41 is 1-20 cm, the height of the elastic unit 41 is 1-30 cm, the distance between the first end 411 and the second end 412 is 0.5-25 cm, and a groove 413 extending in the front-to-back direction is provided on the inner side wall of the elastic unit 41;

[0045] The elastic unit 41 includes a first elastic unit 41a and a second elastic unit 41b, and the first elastic unit 41a and the second elastic unit 41b are arranged vertically and integrally formed;

[0046] The first end 411 of the first elastic unit 41a is connected to the second end 412 of the second elastic unit 41b. A mounting portion 414 is provided at the connection between the first elastic unit 41a and the second elastic unit 41b. The second end 412 of the first elastic unit 41a is bent inwardly, and the first end 411 of the second elastic unit 41b is bent inwardly.

[0047] There are multiple support members 4 with different hardnesses. A magnet 42 is disposed on the mounting portion 414 , and a magnet 42 is also disposed on the support plate 3 . The support members 4 are magnetically connected to the support plate 3 .

[0048] A load-bearing plate 6 is installed on the fabric 2 . The load-bearing plate 6 is made of elastic plastic material. The load-bearing plate 6 and the supporting member 4 are arranged in front and back correspondence.

[0049] Each elastic unit 41 is set to a different shape and a different hardness. Different support member 4 structures can be formed by changing the combination of the elastic units 414. By utilizing the deformation ability of the support member 4 and according to the sitting posture of the human body, the chair back structure can automatically adapt to and adjust the stress conditions of the cervical, thoracic, lumbar and sacral parts of the human spine, so that the chair back structure has the advantages of protecting the spine and providing a comfortable ride. The support member 4 is magnetically connected and is easy to disassemble and install.

[0050] Reference Figures 5 to 8 In a preferred embodiment, the support plate 3 includes an outer support plate 32 and an inner support plate 31, and the inner support plate 31 is installed on the inner side of the outer support plate 32;

[0051] A guide groove 311 is integrally formed on the inner support plate 31, a spring sheet 312 is provided on the side wall of the guide groove 311, a guide member 313 is provided in the middle of the guide groove 311, and a through hole 321 arranged along the front-to-back direction is provided on the outer side wall of the outer support plate 32. There are multiple through holes 321, and the multiple through holes 321 are arranged vertically. The guide groove 311 is used to install the headrest, the guide member 313 is used to install the lumbar support 8, and the through hole 321 increases the deformation capacity of the support plate 3, shares the force of the chair back, and strengthens the structural strength of the chair back.

[0052] The top of the support plate 3 is fixedly connected to the top of the body 1, and the bottom of the support plate 3 is provided with an adjustment component 5, which is used to adjust the distance between the bottom of the support plate 3 and the bottom of the body 1;

[0053] Reference Figure 8 and Fig. 9 In a preferred embodiment, the adjustment assembly 5 includes a rotating rod 51, a nut 52 and a knob 53. The rotating rod 51 is provided with threads, the nut 52 is fixedly mounted on the bottom of the support plate 3, and the rotating rod 51 passes through the support plate 3 and is screwed to the nut 52;

[0054] The inner end of the rotating rod 51 is rotatably connected to the body 1 , and the outer end of the rotating rod 51 is fixedly connected to the knob 53 , which is located outside the supporting plate 3 .

[0055] The rotating rod 51 cooperates with the nut 52. With the rotation of the knob 53, the bottom of the support plate 3 can gradually move closer to or farther from the main body 1, thereby controlling the degree of extrusion and deformation of the support plate 3 on the support member 4 and adjusting the chair back more accurately.

[0056] Reference Fig.10 In a preferred embodiment, the headrest 7 is further included. The headrest 7 includes a headrest body 70, a front support portion 71 and a rear support portion 72. The front support portion 71 is in an arc shape with an opening facing forward, and the rear support portion 72 is arranged in the middle of the front support portion 71. The hardness of the front support portion 71 is less than that of the rear support portion 72. The headrest body 70 is arranged on the front support portion 71.

[0057] The front support portion 71 and the rear support portion 72 are made of different materials and the front support portion 71 is installed at the front end of the rear support portion 72;

[0058] Or in other embodiments, the front support portion 71 and the rear support portion 72 are integrally formed and the thickness of the front support portion 71 is less than the thickness of the rear support portion 72;

[0059] The rear support portion 72 includes a connecting block 721 and a supporting block 722, and the relative positions of the connecting block 721 and the supporting block 722 can be adjusted forward and backward;

[0060] A support column 73 is hinged at the bottom of the connection block 721 , and the support column 73 is vertically adjustably connected to the guide groove 311 .

[0061] By rotating the front support part 71, the tilt angle of the headrest 7 can be adjusted. By adjusting the relative positions of the connecting block 721 and the supporting block 722, the front and rear extension distance of the headrest 7 can be adjusted. By adjusting the sliding distance of the supporting column 73 in the guide groove 311, the up and down distance between the headrest 7 and the main body 1 can be adjusted. It is suitable for people of different heights, easy to adjust, and can also make the head and cervical spine of the occupant more comfortable.

[0062] Reference Figure 1 , Figure 6 and Fig.11 In a preferred embodiment, it further includes a waist support 8, which includes an elastic belt 81 and a sliding member 82, wherein the elastic belt 81 is arranged on the front side of the sliding member 82, the elastic belt 81 abuts against the fabric 2, and the support member 4 is located between the elastic belt 81 and the sliding member 82;

[0063] A slide groove 821 is provided in the middle of the sliding member 82, and the slide groove 821 is slidably connected with the guide member 313 up and down. Slide teeth 822 are provided on both sides of the slide groove 821, and the slide teeth 822 and the spring piece 312 are slidably matched and adjusted. A wing handle 823 is provided on the rear side wall of the sliding member 82.

[0064] The lumbar support 8 is arranged in the middle position of the back side of the chair. By pushing the wing handle 822, the lumbar support 8 can slide up and down on the support plate 3. The adjustment is convenient and quick. The spring piece 321 cooperates with the sliding tooth 822, and the sliding groove 821 cooperates with the guide member 313 to limit the sliding distance of the lumbar support 8 on the support plate and fix the lumbar support at the same time to prevent the lumbar support 8 from falling off.

[0065] A chair comprises a chair back with a support as described above, wherein the chair seat is rotatably connected to the bottom of a body 1, and the armrests are fixedly connected to both sides of the body 1.

[0066] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or directly or indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A chair back with a support member, characterized in that: The invention comprises a main body (1), a fabric (2) mounted on the main body (1), and a support plate (3); the support plate (3) is in the shape of a vertically arranged strip; a support member (4) is detachably mounted on the support plate (3); both the support plate (3) and the support member (4) are elastic; and the support member (4) is used to support the middle part of the fabric (2).

2. A chair back with a support member as claimed in claim 1, characterized in that: The cross section of the support member (4) is a polygon with an opening, and the support member (4) comprises an elastic unit (41), wherein the elastic unit (41) has a first end (411) and a second end (412) which are arranged at an interval; The width of the elastic unit (41) is 1-20 cm, the height of the elastic unit (41) is 1-30 cm, the distance between the first end (411) and the second end (412) is 0.5-25 cm, and a groove (413) extending in the front-to-back direction is provided on the inner side wall of the elastic unit (41).

3. A chair back with a support member as claimed in claim 2, characterized in that: The elastic unit (41) comprises a first elastic unit (41a) and a second elastic unit (41b), wherein the first elastic unit (41a) and the second elastic unit (41b) are arranged vertically and formed as one piece; The first end (411) of the first elastic unit (41a) is connected to the second end (412) of the second elastic unit (41b); a mounting portion (414) is provided at the connection between the first elastic unit (41a) and the second elastic unit (41b); the second end (412) of the first elastic unit (41a) is bent inwardly; and the first end (411) of the second elastic unit (41b) is bent inwardly.

4. A chair back with a support member as claimed in claim 3, characterized in that: There are a plurality of support members (4), each of which has different hardnesses. A magnet (42) is provided on the mounting portion (414), and a magnet (42) is also provided on the support plate (3). The support member (4) is magnetically connected to the support plate (3).

5. A chair back with a support member as claimed in claim 1, characterized in that: An adjustment assembly (5) is provided at the bottom of the support plate (3), and the adjustment assembly (5) comprises a rotating rod (51), a nut (52) and a knob (53); The rotating rod (51) is provided with threads, the nut (52) is fixedly mounted on the bottom of the support plate (3), and the rotating rod (51) passes through the support plate (3) and is threadedly connected to the nut (52); The inner end of the rotating rod (51) is rotatably connected to the body (1), and the outer end of the rotating rod (51) is fixedly connected to the knob (53), and the knob (53) is located outside the support plate (3).

6. A chair back with a support member as claimed in claim 5, characterized in that: The support plate (3) comprises an outer support plate (32) and an inner support plate (31), wherein the inner support plate (31) is installed on the inner side of the outer support plate (32); A guide groove (311) is integrally formed on the inner support plate (31), a spring sheet (312) is provided on the side wall of the guide groove (311), a guide member (313) is provided in the middle of the guide groove (311), and a through hole (321) is provided on the outer side wall of the outer support plate (32) along the front-to-back direction, the through holes (321) are multiple in number, and the multiple through holes (321) are arranged vertically.

7. A chair back with a support member as claimed in claim 6, characterized in that: The headrest (7) further comprises a headrest body (70), a front support portion (71) and a rear support portion (72), wherein the front support portion (71) is in an arc shape opening forward, the rear support portion (72) is arranged at the middle of the front support portion (71), the hardness of the front support portion (71) is smaller than the hardness of the rear support portion (72), and the headrest body (70) is arranged on the front support portion (71); The front support portion (71) and the rear support portion (72) are respectively made of different materials and the front support portion (71) is installed at the front end of the rear support portion (72), or the front support portion (71) and the rear support portion (72) are integrally formed and the thickness of the front support portion (71) is smaller than the thickness of the rear support portion (72); The rear support portion (72) comprises a connecting block (721) and a supporting block (722), and the relative positions of the connecting block (721) and the supporting block (722) can be adjusted forward and backward; A support column (73) is hingedly connected to the bottom of the connection block (721), and the support column (73) is vertically adjustably connected to the guide groove (311).

8. A chair back with a support member as claimed in claim 6, characterized in that: It also comprises a waist support (8), the waist support (8) comprising an elastic belt (81) and a sliding member (82), the elastic belt (81) being arranged on the front side of the sliding member (82), the elastic belt (81) being in contact with the fabric (2), and the supporting member (4) being located between the elastic belt (81) and the sliding member (82); A sliding groove (821) is provided in the middle of the sliding member (82), and the sliding groove (821) is slidably connected with the guide member (313) up and down. Sliding teeth (822) are provided on both sides of the sliding groove (821), and the sliding teeth (822) are slidably matched with the spring sheet (312). A wing handle (823) is provided on the rear side wall of the sliding member (82).

9. A chair back with a support member as claimed in claim 1, characterized in that: A load-bearing plate (6) is installed on the fabric (2); the load-bearing plate (6) is made of elastic plastic material; the load-bearing plate (6) and the support member (4) are arranged in a front-to-back correspondence.

10. A chair, comprising a chair back with a support member according to any one of claims 1 to 9, characterized in that: It also comprises a seat and armrests, wherein the seat is rotatably connected to the bottom of the body (1), and the armrests are fixedly connected to both sides of the body (1).

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