Three-dimensional rocking type waist rest office chair

Abstract

The utility model provides a three-dimensional rocking type waist rest office chair which comprises a waist rest plate, a rocking assembly arranged at the rear end of the waist rest plate, a connecting assembly arranged on the outer surface of the rocking assembly, a detachable telescopic assembly arranged on the outer surface of the rocking assembly, and an air bag support fixedly connected to the outer surface of the rear end of the waist rest plate. The other end of the air bag support is fixedly connected with a first rotating block, the connecting assembly comprises a connecting plate, the connecting plate is movably connected to the outer surface of the first rotating block, a rotating groove is formed in the connecting plate, the first rotating block is movably embedded in the rotating groove, and an annular groove is formed in the connecting plate. According to the three-dimensional rocking type waist rest office chair provided by the utility model, the rocking assembly and the detachable telescopic assembly are connected with the connecting assembly, so that the rocking assembly is not easy to damage and break while the waist rest plate rotates in any direction, and when the detachable telescopic assembly is damaged, the detachable telescopic assembly can be detached for replacement, so that the use is convenient. The operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of office chair design, in particular to a three-dimensional rocking lumbar support office chair. Background Art

[0002] Office chairs refer to various chairs equipped for the convenience of work in daily work and social activities. They are divided into narrow and broad definitions. In the narrow sense, office chairs refer to chairs with backrests that people sit on when doing desk work in a sitting position. In the broad sense, office chairs refer to all chairs used in offices, including executive chairs, mid-shift chairs, meeting chairs, staff chairs, conference chairs, visitor chairs, training chairs, etc.

[0003] The patent application with prior art publication number CN215126355U is set on the seat back frame through a flexible connector, which can enable the lumbar support to swing in all directions. When the lumbar support is against the user's waist, the movement of the user's back can drive the lumbar support to swing accordingly, so that the lumbar support always fits the user's waist position, improving the user experience. However, the flexible connector will be deformed and cracked when under pressure for a long time, and it cannot be replaced or disassembled.

[0004] Therefore, it is necessary to provide a three-dimensional rocking waist support office chair to solve the above-mentioned technical problems. Summary of the Invention

[0005] The utility model provides a three-dimensional rocking lumbar support office chair, which solves the problem that the existing lumbar support connecting parts are easily deformed by pressure and are inconvenient to replace and disassemble.

[0006] In order to solve the above technical problems, the present invention provides a three-dimensional rocking lumbar support office chair, comprising: a lumbar support plate, a rocking assembly being provided at the rear end of the lumbar support plate;

[0007] A connecting assembly, the connecting assembly being arranged on an outer surface of the shaking assembly;

[0008] A detachable telescopic component is arranged on the outer surface of the shaking component.

[0009] Preferably, the shaking assembly includes an airbag bracket, one end of the airbag bracket is fixedly connected to the outer surface of the rear end of the lumbar support plate, and the other end of the airbag bracket is fixedly connected to the first rotating block.

[0010] Preferably, the connecting assembly includes a connecting plate, which is movably connected to the outer surface of the first rotating block, a rotating groove is provided inside the connecting plate, the first rotating block is movably embedded in the rotating groove, and an annular groove is provided inside the connecting plate.

[0011] Preferably, the detachable telescopic assembly includes a second rotating block movably embedded in the annular groove. One end of the outer part of the second rotating block is fixedly connected with a connecting ring, and the connecting ring is fixedly installed on the outer surface of the rear end of the lumbar support plate. The outer surface of the connecting ring is movably connected with a telescopic spring.

[0012] Preferably, a support assembly is arranged at the rear end of the connecting plate. The support assembly includes a support plate fixedly connected to the rear end of the connecting plate. A sliding groove is formed at the bottom of the support plate, and a support rod is movably connected inside the sliding groove.

[0013] Preferably, a distance adjustment assembly is arranged on the outer surface of the support rod. The distance adjustment assembly includes a threaded rod movably installed on the outer surface of the support rod, and a threaded block is threadedly connected to the outer surface of the threaded rod.

[0014] Preferably, a transmission rod is movably connected to the outer surface of the threaded block, and the other end of the transmission rod is movably connected to the bottom of the connecting plate.

[0015] Compared with the related art, the three-dimensional rocking lumbar support office chair provided by the present invention has the following beneficial effects:

[0016] The present invention provides a three-dimensional rocking lumbar support office chair. By connecting the rocking assembly, the detachable telescopic assembly and the connecting assembly, the lumbar support plate can be rotated in any direction, and the rocking assembly is not easily damaged or broken. Moreover, when the detachable telescopic assembly is damaged, it can be disassembled and replaced, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the first embodiment of the three-dimensional rocking lumbar support office chair provided by the present invention;

[0018] Figure 2 is Figure 1 a schematic side view of the connecting assembly shown in ;

[0019] Figure 3 is Figure 1 an enlarged view of part A shown in ;

[0020] Figure 4 is a schematic structural diagram of the second embodiment of the three-dimensional rocking lumbar support office chair provided by the present invention.

[0021] Reference numerals in the figures: 1. Lumbar support plate,

[0022] 2. Rocking assembly, 21. Airbag support, 22. First rotating block,

[0023] 3. Connecting component, 31. Connecting plate, 32. Rotating groove, 33. Annular groove

[0024] 4. Detachable telescopic component, 41. Second rotating block, 42. Connecting ring, 43. Telescopic spring

[0025] 5. Support component, 51. Support plate, 52. Sliding groove, 5). Support rod

[0026] 6. Distance adjusting component, 61. Threaded rod, 62. Threaded block, 63. Transmission rod Detailed implementation mode

[0027] The present utility model will be further described below in conjunction with the accompanying drawings and the implementation mode Embodiment

[0028] Please refer to Figure 1 . Figure 2 and Figure 3 , where Figure 1 is a schematic structural diagram of the first embodiment of the three-dimensional rocking lumbar support office chair provided by the present utility model; Figure 2 is Figure 1 a schematic side view of the connecting component shown in; Figure 3 is Figure 1 an enlarged schematic view of part A shown in. The three-dimensional rocking lumbar support office chair includes: a lumbar support plate 1, and a rocking component 2 is arranged at the rear end of the lumbar support plate 1;

[0029] A connecting component 3, which is arranged on the outer surface of the rocking component 2;

[0030] A detachable telescopic component 4, which is arranged on the outer surface of the rocking component 2.

[0031] The function of the rocking component 2 is to drive the lumbar support plate 1 to rotate following the rotation of the user's back. The function of the connecting component 3 is to connect and support. The function of the detachable telescopic component 4 is to stretch following the rotation of the lumbar support plate 1 and is movably connected to the lumbar support plate 1 for convenient disassembly and replacement.

[0032] The rocking component 2 includes an airbag bracket 21, one end of the airbag bracket 21 is fixedly connected to the outer surface of the rear end of the lumbar support plate 1, and the other end of the airbag bracket 21 is fixedly connected with a first rotating block 22.

[0033] The airbag bracket 21 is filled with compressed air in a flexible rubber capsule, so it has good elasticity and can be stretched to any position following the rotation of the lumbar support plate 1. The first rotating block 22 can be embedded inside the connecting component 3 and rotate horizontally following the lumbar support plate 1, so as to realize the rotation of the lumbar support plate 1 in any orientation.

[0034] The connecting component 3 includes a connecting plate 31, the connecting plate 31 is movably connected to the outer surface of the first rotating block 22, a rotating groove 32 is formed inside the connecting plate 31, the first rotating block 22 is movably embedded inside the rotating groove 32, and an annular groove 33 is formed inside the connecting plate 31.

[0035] The rotating groove 32 is a circular groove, which is opened at the center of the front end of the first rotating block 22. The first rotating block 22 is embedded inside the rotating groove 32 and can rotate horizontally. When the lumbar support plate 1 rotates horizontally, the second rotating block 41 can rotate around the first rotating block 22 inside the annular groove 33.

[0036] The detachable telescopic component 4 includes a second rotating block 41, the second rotating block 41 is movably embedded inside the annular groove 33, one end of the outside of the second rotating block 41 is fixedly connected with a connecting ring 42, the connecting ring 42 is fixedly installed on the outer surface of the rear end of the lumbar support plate 1, and a telescopic spring 43 is movably connected to the outer surface of the connecting ring 42.

[0037] The number of the detachable telescopic components 4 is four. The four second rotating blocks 41 are respectively movably embedded inside the annular groove 33 in a circular array with the first rotating block 22 as the center. A connecting ring 42 is fixedly connected to the surface of the front end of each second rotating block 41, and a connecting ring 42 is fixedly connected to the surface of the rear end of the lumbar support plate 1 opposite to each connecting ring 42. The two horizontally opposite second rotating blocks 41 form a group. Hooks are fixedly connected to both ends of each telescopic spring 43, and the hooks at both ends of each telescopic spring 43 are respectively hung on the two connecting rings 42 in each group. Therefore, while it can rotate and stretch following the rotation of the lumbar support plate 1, it is convenient for disassembly and replacement.

[0038] The working principle of the three-dimensional rocking lumbar support office chair provided by the present utility model is as follows:

[0039] When the user leans back on the lumbar support plate 1 and rotates, the airbag bracket 21 is under pressure and compresses and tilts towards the pressure point. When the lumbar support plate 1 rotates, the telescopic spring 43 stretches and contracts following the inclination degree of the lumbar support plate 1. The first rotating block 22 rotates inside the first rotating block 22 following the rotation of the lumbar support plate 1, and the second rotating block 41 rotates inside the annular groove 33 through the connection of the connecting ring 42 and the telescopic spring 43, so that the lumbar support plate 1 always fits the user's back. When the telescopic spring 43 is damaged, the hooks at the left and right ends of the telescopic spring 43 can be removed from the connecting ring 42, which is convenient for disassembly and replacement.

[0040] Compared with the related technology, the three-dimensional rocking lumbar support office chair provided by the present utility model has the following beneficial effects:

[0041] The utility model provides a three-dimensional rocking lumbar support office chair, which is connected by a rocking component 2 and a detachable telescopic component 4 to a connecting component 3. While enabling the lumbar support plate 1 to rotate in any direction, the rocking component 2 is not easily damaged or broken. And when the detachable telescopic component 4 is damaged, the detachable telescopic component 4 can be disassembled and replaced, with simple operation. Embodiment

[0042] Please refer to Figure 4 , based on the three-dimensional rocking lumbar support office chair provided by the first embodiment of the present application, the second embodiment of the present application proposes another three-dimensional rocking lumbar support office chair. The second embodiment is only a preferred manner of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0043] Specifically, the difference of the three-dimensional rocking lumbar support office chair provided by the second embodiment of the present application is that, for the three-dimensional rocking lumbar support office chair, a support component 5 is provided at the rear end of the connecting plate 31. The support component 5 includes a support plate 51, the support plate 51 is fixedly connected to the rear end of the connecting plate 31, a sliding groove 52 is opened at the bottom of the support plate 51, and a support rod 53 is movably connected inside the sliding groove 52.

[0044] The front end of the support plate 51 is fixedly connected to the rear end of the connecting plate 31. The top of the support rod 53 is fixedly connected with a slider, and the slider is movably embedded inside the sliding groove 52. When the connecting component 3 moves back and forth, the sliding groove 52 can slide back and forth on the outer surface of the support rod 53.

[0045] A distance adjustment component 6 is provided on the outer surface of the support rod 53. The distance adjustment component 6 includes a threaded rod 61, the threaded rod 61 is movably installed on the outer surface of the support rod 53, and a threaded block 62 is threadedly connected to the outer surface of the threaded rod 61.

[0046] Two are fixedly connected to the surface of the support rod 53 near the top. The upper and lower ends of the threaded rod 61 are respectively rotatably connected inside the two. By rotating the threaded rod 61, the threaded block 62 can slide up and down. When the threaded block 62 moves upward, the angle between the transmission rod 63 and the threaded rod 61 becomes larger, and one end at the top of the transmission rod 63 pushes the connecting plate 31 forward, and the sliding groove 52 slides forward on the outer surface of the support rod 53.

[0047] The outer surface of the threaded block 62 is movably connected with a transmission rod 63, and the other end of the transmission rod 63 is movably connected to the bottom of the connecting plate 31.

[0048] When the threaded block 62 moves downward, the angle between the transmission rod 63 and the threaded rod 61 becomes smaller. One end at the top of the transmission rod 63 pulls the connecting plate 31 to move backward, and the sliding groove 52 slides backward on the outer surface of the support rod 53, so as to adjust the position of the lumbar support plate 1.

[0049] The working principle of the three-dimensional rocking lumbar support office chair provided by the present utility model is as follows:

[0050] When it is necessary to adjust the position of the connecting plate 31, rotate the threaded rod 61. The threaded block 62 drives one end of the transmission rod 63 to slide up and down, the angle of the transmission rod 63 changes, and the other end pulls the connecting plate 31 to slide back and forth, driving the sliding groove 52 at the bottom of the support plate 51 to slide back and forth on the outer surface of the support rod 53, so as to adjust the position of the connecting plate 31.

[0051] Compared with the related art, the three-dimensional rocking lumbar support office chair provided by the present utility model has the following beneficial effects:

[0052] The present utility model provides a three-dimensional rocking lumbar support office chair. While the support assembly 5 is used to support the connection assembly 3, according to the body type of the user, rotating the threaded rod 61 drives the connecting plate 31 to slide back and forth through the transmission of the threaded block 62 and the transmission rod 63, thereby increasing the comfort of the user.

[0053] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present utility model, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. The three-dimensional rocking lumbar support office chair is characterized in that, Comprising: A lumbar support board, a rocking component is arranged at the rear end of the lumbar support board; A connecting component, the connecting component is arranged on the outer surface of the rocking component; A detachable telescopic component, the detachable telescopic component is arranged on the outer surface of the rocking component.

2. The three-dimensional rocking lumbar support office chair according to claim 1, characterized in that, The rocking component includes an airbag bracket, one end of the airbag bracket is fixedly connected to the outer surface of the rear end of the lumbar support board, and the other end of the airbag bracket is fixedly connected with a first rotating block.

3. The three-dimensional rocking lumbar support office chair according to claim 2, wherein The connecting component includes a connecting plate, the connecting plate is movably connected to the outer surface of the first rotating block, a rotating groove is formed in the interior of the connecting plate, the first rotating block is movably embedded in the interior of the rotating groove, and an annular groove is formed in the interior of the connecting plate.

4. The three-dimensional rocking lumbar office chair according to claim 3, characterized in that, The detachable telescopic component includes a second rotating block, the second rotating block is movably embedded in the interior of the annular groove, one end of the outside of the second rotating block is fixedly connected with a connecting ring, the connecting ring is fixedly installed on the outer surface of the rear end of the lumbar support board, and a telescopic spring is movably connected to the outer surface of the connecting ring.

5. The three-dimensional rocking lumbar support office chair according to claim 3, characterized in that, A support component is arranged at the rear end of the connecting plate, the support component includes a support plate, the support plate is fixedly connected to the rear end of the connecting plate, a sliding groove is formed in the bottom of the support plate, and a support rod is movably connected in the interior of the sliding groove.

6. The three-dimensional rocking lumbar support office chair according to claim 5, characterized in that, A distance adjusting component is arranged on the outer surface of the support rod, the distance adjusting component includes a threaded rod, the threaded rod is movably installed on the outer surface of the support rod, and a threaded block is threadedly connected to the outer surface of the threaded rod.

7. The three-dimensional rocking lumbar support office chair according to claim 6, characterized in that, A transmission rod is movably connected to the outer surface of the threaded block, and the other end of the transmission rod is movably connected to the bottom of the connecting plate.

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