CN224008105U - An office chair with lumbar support function - Google Patents
An office chair with lumbar support functionInfo
- Publication number
- CN224008105U CN224008105U CN202520953507.2U CN202520953507U CN224008105U CN 224008105 U CN224008105 U CN 224008105U CN 202520953507 U CN202520953507 U CN 202520953507U CN 224008105 U CN224008105 U CN 224008105U
- Authority
- CN
- China
- Prior art keywords
- lumbar support
- office chair
- fixedly connected
- rotating rod
- adjusting screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses an office chair with a lumbar support function, which comprises an office chair body, a lumbar support seat and a sliding inner slide block, wherein the lumbar support seat is arranged on one side of the office chair body in a sliding manner, the sliding inner slide block is arranged in the lumbar support seat in a sliding manner, and the office chair has the beneficial effects that the second rotating rod is rotated through a hexagonal screw, the worm, a worm wheel and the first rotating rod are arranged, the second rotating rod is rotated and drives the worm to rotate and adjust, the worm wheel which is meshed is driven to rotate during the rotation of the worm, the worm wheel drives the first rotating rod on the inner side to rotate and adjust, the first adjusting screw on one end is driven to rotate and drive the outer sliding inner slide block to move in position during the rotation of the first rotating rod, and the sliding inner slide block drives a lumbar support pad to move outwards, so that lumbar support treatment is carried out on a lumbar through the lumbar support pad.
Description
Technical Field
The utility model relates to the technical field of office chairs, in particular to an office chair with a lumbar support function.
Background
The office chair is a seat specially designed for an office environment, aims to provide comfortable, healthy and efficient sitting posture support for people sitting for a long time, generally adopts an ergonomic principle, designs a backrest, a seat cushion and armrests according to human body curves, helps to relieve spine pressure, prevents fatigue and damage caused by sedentary sitting, gradually evolves from single functionality to comfort, health and individuation along with popularization of modern office modes and importance of people for the healthy office environment, becomes a normal state of office people after long time sitting, and most of traditional office chairs lack of waist adjustable support structures, easily causes fatigue of waist and back parts, and is inconvenient to adjust the height and depth of the waist support according to body types or sitting posture habits of different users, so that the support effect is limited.
Disclosure of utility model
The utility model aims to provide an office chair with a lumbar support function, which solves the problems that the traditional office chair provided in the background art mostly lacks a lumbar adjustable support structure, is easy to cause fatigue of lumbar and back parts, is inconvenient to adjust the height and depth of lumbar support according to the body type or sitting posture habit of different users, and causes limited support effect.
In order to achieve the above purpose, the utility model provides the following technical scheme that the office chair with the lumbar support function comprises:
an office chair body;
the waist support is arranged on one side of the office chair body in a sliding manner;
The sliding inner slide block is arranged in the lumbar support in a sliding way, and a lumbar support pad is arranged on one side of the sliding inner slide block;
The first adjusting screw rod is in threaded connection with the inside of the sliding inner slide block and is in rotary connection with the lumbar support;
The limiting slide rod is symmetrically and slidably arranged in the sliding inner slide block, one end of the limiting slide rod is fixedly connected with the waist support, and the other end of the limiting slide rod is provided with a limiting disc which is in sliding connection with the sliding inner slide block;
And the rotating assembly is arranged in the lumbar support, and the first adjusting screw rod is connected with the rotating assembly.
As a preferable scheme of the utility model, the rotating assembly comprises a first rotating rod, the first rotating rod is rotatably arranged in the lumbar support, one end of the first rotating rod is fixedly connected with a first adjusting screw rod, the outer side of the first rotating rod is fixedly connected with a worm wheel, a worm is rotatably arranged in the lumbar support, and the worm is in meshed connection with the worm wheel.
As a preferable scheme of the utility model, a second rotating rod is rotatably arranged in the lumbar support, one end of the second rotating rod is fixedly connected with a worm, a hexagonal screwing block is rotatably arranged at the bottom of the lumbar support, and one end of the second rotating rod is fixedly connected with the hexagonal screwing block.
As a preferable scheme of the utility model, one side of the office chair body is fixedly connected with a fixed side box, a second adjusting screw rod is rotatably arranged in the fixed side box, an inner sliding block is connected with the outer side of the second adjusting screw rod in a threaded manner, the inner sliding block is connected with the fixed side box in a sliding manner, the inner sliding block is connected with the office chair body in a sliding manner, and one side of the inner sliding block is fixedly connected with a waist support.
As a preferable scheme of the utility model, an inner hexagonal screwing block is rotatably arranged at the top of the fixed side box, and one end of the second adjusting screw rod is fixedly connected with the inner hexagonal screwing block.
As a preferable scheme of the utility model, one side of the office chair body is symmetrically and fixedly connected with a connecting side box, a limit slide block is slidably arranged in the connecting side box, the limit slide block is slidably connected with the office chair body, one side of the limit slide block is fixedly connected with a waist support, a limit rod is slidably arranged in the limit slide block, and the limit rod is fixedly connected with the connecting side box.
Compared with the prior art, the waist support device has the beneficial effects that the second rotating rod, the worm wheel and the first rotating rod are arranged, the second rotating rod is rotated through the hexagonal screwing block, the worm is driven to rotate and adjust through the hexagonal screwing block, the worm wheel which is meshed is driven to rotate during rotation of the worm, the first rotating rod which is driven to rotate and adjust by the worm wheel is driven to rotate, the first adjusting screw which is driven to rotate and adjust at one end during rotation of the first rotating rod is driven to rotate and adjust, the first adjusting screw rotates and drives the outer sliding inner sliding block to move and adjust, the sliding inner sliding block drives the waist support pad to move outwards, the waist support pad is used for supporting the waist, the second adjusting screw, the inner sliding block and the inner hexagonal screwing block are arranged, and the second adjusting screw is driven to rotate and adjust through the inner hexagonal screwing block, and the outer sliding block is driven to slide in the fixed side box.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the lumbar support of the present utility model;
FIG. 3 is a schematic view of the internal structure of the fixed side case of the present utility model;
FIG. 4 is a schematic view of the internal structure of the sliding inner slide according to the present utility model;
Fig. 5 is a schematic diagram of the structure of the inner sliding block and the second adjusting screw rod.
In the figure, the office chair comprises a1, an office chair body, a 2, a lumbar support, a 3, a lumbar support pad, a 4, a sliding inner slide block, a 5, a limit slide bar, a 6, a limit disc, a 7, a first adjusting screw rod, a 8, a first rotating rod, a 9, a worm wheel, a 10, a worm, a 11, a second rotating rod, a 12, a hexagonal screwing block, a 13, a fixed side box, a 14, an inner slide block, a 15, a second adjusting screw rod, a 16, an inner hexagonal screwing block, a 17, a connecting side box, a 18, a limit slide block, a 19 and a limit rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the utility model provides an office chair with a lumbar support function, which comprises an office chair body 1, a lumbar support seat 2 arranged on one side of the office chair body 1 in a sliding manner, a sliding inner slide block 4 arranged in the lumbar support seat 2 in a sliding manner, a lumbar support pad 3 fixedly connected to one side of the sliding inner slide block 4, a first adjusting screw 7 in threaded connection with the sliding inner slide block 4, a first adjusting screw 7 in rotary connection with the lumbar support seat 2, a limit slide rod 5 symmetrically arranged in the sliding inner slide block 4 in a sliding manner, one end of the limit slide rod 5 fixedly connected with the lumbar support seat 2, a limit disc 6 fixedly connected with the other end of the limit slide rod 5, the limit disc 6 in sliding connection with the sliding inner slide block 4, a rotating assembly arranged in the lumbar support seat 2, and the first adjusting screw 7 connected with the rotating assembly.
It can be understood that the utility model rotates and adjusts the second adjusting screw 15 through the inner hexagonal screwing block 16, when the second adjusting screw 15 rotates, the outer inner sliding block 14 is driven to move and adjust up and down, the inner sliding block 14 slides in the fixed side box 13, the first sliding block 14 drives the lumbar support 2 and the lumbar support pad 3 to adjust the height position, when the lumbar support 2 moves, the limiting slide block 18 is driven to slide in the connecting side box 17, the limiting slide block 18 slides on the outer side of the limiting rod 19, the stability of the adjustment of the lumbar support 2 is improved, the lumbar support position is adjusted, the second sliding block 11 is driven to rotate through the hexagonal screwing block 12, the second sliding block 11 drives the worm 10 to rotate in the lumbar support 2, the worm 10 drives the engaged worm wheel 9 to rotate, the inner first sliding block 8 is driven to rotate, the first adjusting screw 7 drives the outer sliding block 4 to adjust the position, the inner sliding block 4 and the lumbar support pad 3 extends out of the adjusting slide rod 5, the limiting slide block 5 and the sliding block 4 are in a limiting fit with the sliding disk 4, and the inner sliding disk 4 is in a relative motion, and the sliding disk 4 is realized.
Referring to fig. 4, the rotating assembly includes a first rotating rod 8, the first rotating rod 8 is rotatably disposed in the lumbar support 2, one end of the first rotating rod 8 is fixedly connected with a first adjusting screw rod 7, a worm wheel 9 is fixedly connected to the outer side of the first rotating rod 8, a worm 10 is rotatably disposed in the lumbar support 2, and the worm 10 is engaged with the worm wheel 9.
It can be understood that when the worm 10 is rotated, the worm 10 drives the engaged worm wheel 9 to rotate, and when the worm wheel 9 rotates, the first rotating rod 8 on the inner side is driven to rotate, and the first adjusting screw rod 7 is driven to rotate by the first rotating rod 8 to adjust.
Referring to fig. 2 and 4, a second rotating rod 11 is rotatably disposed in the lumbar support 2, one end of the second rotating rod 11 is fixedly connected with a worm 10, a hexagonal screwing block 12 is rotatably disposed at the bottom of the lumbar support 2, and one end of the second rotating rod 11 is fixedly connected with the hexagonal screwing block 12.
It can be understood that the utility model rotates and adjusts the second rotating rod 11 through the hexagonal screwing block 12, and when the second rotating rod 11 rotates, the worm 10 is driven to rotate in the lumbar support 2, and the worm 10 drives the engaged worm wheel 9 to rotate.
Referring to fig. 3 and 5, a fixed side box 13 is fixedly connected to one side of the office chair body 1, a second adjusting screw 15 is rotatably provided in the fixed side box 13, an inner sliding block 14 is screwed on the outer side of the second adjusting screw 15, the inner sliding block 14 is slidably connected with the fixed side box 13, the inner sliding block 14 is slidably connected with the office chair body 1, and one side of the inner sliding block 14 is fixedly connected with the lumbar support 2.
It can be understood that the utility model drives the outer inner sliding block 14 to adjust the vertical position when the second adjusting screw 15 rotates, drives the lumbar support 2 and the lumbar support pad 3 to adjust the supporting height through the inner sliding block 14, and realizes the relative movement through the nut structure inside the inner sliding block 14 and the second adjusting screw 15 in cooperation, when the second adjusting screw 15 rotates, the nut structure inside the inner sliding block 14 moves along the axial direction of the second adjusting screw 15, thereby driving the inner sliding block 14 to perform the linear movement.
Referring to fig. 3 and 5, an inner hexagonal screwing block 16 is rotatably disposed at the top of the fixed side case 13, and one end of the second adjusting screw 15 is fixedly connected with the inner hexagonal screwing block 16.
It can be appreciated that the utility model facilitates the rotational adjustment of the second adjusting screw 15 by means of the internal hexagonal screw 16.
Referring to fig. 2, 3 and 5, a connecting side box 17 is symmetrically and fixedly connected to one side of the office chair body 1, a limit slide block 18 is slidably arranged in the connecting side box 17, the limit slide block 18 is slidably connected with the office chair body 1, one side of the limit slide block 18 is fixedly connected with the lumbar support 2, a limit rod 19 is slidably arranged in the limit slide block 18, and the limit rod 19 is fixedly connected with the connecting side box 17.
It can be understood that when the lumbar support 2 slides on one side of the office chair body 1, the lumbar support 2 drives the limit sliding block 18 to slide on the outer side of the limit rod 19 in a limit manner, so that the stability of the adjustment of the lumbar support 2 is improved.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium, and may be a communication between two elements or an interaction relationship between two elements, unless explicitly specified otherwise, and it will be understood by those of ordinary skill in the art that the above terms are in specific terms of the present utility model as appropriate.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520953507.2U CN224008105U (en) | 2025-05-15 | 2025-05-15 | An office chair with lumbar support function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520953507.2U CN224008105U (en) | 2025-05-15 | 2025-05-15 | An office chair with lumbar support function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224008105U true CN224008105U (en) | 2026-03-20 |
Family
ID=99089866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520953507.2U Active CN224008105U (en) | 2025-05-15 | 2025-05-15 | An office chair with lumbar support function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224008105U (en) |
-
2025
- 2025-05-15 CN CN202520953507.2U patent/CN224008105U/en active Active
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