CN112089246A - Back following supporting device and office chair - Google Patents
Back following supporting device and office chair Download PDFInfo
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- CN112089246A CN112089246A CN202011211042.1A CN202011211042A CN112089246A CN 112089246 A CN112089246 A CN 112089246A CN 202011211042 A CN202011211042 A CN 202011211042A CN 112089246 A CN112089246 A CN 112089246A
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- China
- Prior art keywords
- air
- cushion
- waist
- seat
- air bag
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/467—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by fluid means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for chairs
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- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The invention provides a back following support device and an office chair, comprising: a back board; the flexible back and waist support comprises a cushion airbag arranged on the back board; the adaptation is transferred and is regulated the control system, and adaptation is transferred and is regulated the control system and include master controller, to the air feeder that the gasbag was leaned on to the pad, control pad lean on the air regulation valve of the internal gas volume of gasbag and gather the atmospheric pressure sensor that the inside atmospheric pressure of gasbag leans on, air feeder, air regulation valve and atmospheric pressure sensor all are connected with master controller. The invention can always fit and effectively support the waist and back of the user, change the supporting force on the waist and back, greatly reduce the damage to the lumbar of the user caused by long-time sitting and realize the function of supporting the waist and back of the user; the office chair can adjust the hardness of the chair seat and the back part following the supporting device, and effectively supports the waist and back parts of a user.
Description
Technical Field
The invention relates to the technical field of articles for daily use, in particular to a back following supporting device and an office chair.
Background
At present, more and more indoor office people are used, and the sedentary condition is more and more common. Because the lumbar vertebrae of human body can cause the injury of different degrees because of long-term work of bending over a desk, current human engineering seat is through the adjustment to the back curve and increase the waist support, though some improvements have been made on traditional office chair, the waist support is static and solid-state mostly, can't intervene the human position of sitting, when the body is in same position of sitting for a long time, the lumbar vertebrae still can receive the injury.
Disclosure of Invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a back following support device and an office chair, which can always fit and effectively support the back and waist of a user, change the support force on the back and waist, greatly reduce the damage to the lumbar of the user due to sitting for a long time, and realize the function of following and supporting the back and waist of the user; the office chair can adjust the hardness of the chair seat and the back part following the supporting device, and effectively supports the waist and back parts of a user.
In order to solve the above technical problem, the present invention provides a back following support device, including:
a back board;
the flexible back and waist support comprises a cushion airbag arranged on the back board;
the adaptation is transferred and is regulated the control system, and adaptation is transferred and is regulated the control system and include master controller, to the air feeder that the gasbag was leaned on to the pad, control pad lean on the air regulation valve of the internal gas volume of gasbag and gather the atmospheric pressure sensor that the inside atmospheric pressure of gasbag leans on, air feeder, air regulation valve and atmospheric pressure sensor all are connected with master controller.
Preferably, the back following support device further comprises a soft cushion cover covering one side of the cushion airbag back to the backrest plate.
Preferably, the flexible back and waist support further comprises a first air passage and a second air passage which are communicated with the cushion airbag, the air supply device is connected with the first air passage, the pressure regulating valve is arranged on the first air passage, and the air pressure sensor is connected with the second air passage.
Preferably, the first air passage comprises an inflation pipeline and an exhaust pipeline which are communicated with each other, two ends of the inflation pipeline in the extension direction are respectively connected with the air feeder and the cushion leaning on the air bag, and the pressure regulating valve is arranged on the exhaust pipeline.
Preferably, the adaptation and regulation system further comprises a hand controller, and the hand controller is connected with the master controller.
Preferably, the cushion-by-bag is divided into a waist-bladder and a back-bladder that are in equal communication.
Preferably, the waist balloon is divided into two lower left air chambers overlapped with each other and two lower right air chambers overlapped with each other, and the back balloon is in a single air chamber structure.
The invention also provides an office chair which comprises a chair seat and the back following and supporting device.
Preferably, the seat support includes the seat fixed plate and locates sitting of seat fixed plate and press the sensor, sits to press the sensor and be connected with the master controller.
Preferably, the seat also comprises a seat air bag allowing the air supplier to inflate and a pressure-control two-way air valve controlling the amount of air in the seat air bag, and the pressure-control two-way air valve is connected with the main controller.
As described above, the back following support device and the office chair of the present invention have the following advantages: when the waist back of a user leans against the cushion and leans against the air bag, the air pressure in the cushion and leans against the air bag changes, the air pressure sensor transmits collected air pressure data to the main controller, the main controller judges that a person uses the back following supporting device at the moment through data processing, the air supplier is controlled to inflate the cushion and leans against the air bag, and the pressure regulating valve is enabled to be in an inflating state towards the cushion and leans against the air bag until the cushion and leans against the air bag can completely support the waist back of the user. When the air pressure in the cushion close to the air bag just reaches the preset air pressure value, the main controller controls the air supplier to stop inflating the cushion close to the air bag, and the pressure regulating valve is in a pressure maintaining state of enabling the cushion close to the air bag. When the sitting posture of the user changes and the cushion-leaning air bag can not completely support the waist-back part of the user, the air pressure in the cushion-leaning air bag can be reduced, the main controller can control the air supplier to continuously inflate the cushion-leaning air bag and enable the pressure regulating valve to be in an inflating state towards the cushion-leaning air bag until the cushion-leaning air bag completely supports the waist-back part of the user again, and at the moment, the air pressure in the cushion-leaning air bag reaches the preset air pressure value again. When the sitting posture of the user changes and the supporting force of the cushion leaning on the air bag to the waist back part of the user is too large, the air pressure in the cushion leaning on the air bag can rise, the main controller can control the pressure regulating valve to be in a state of allowing the cushion leaning on the air bag to exhaust outwards, so that the air in the cushion leaning on the air bag leaks out until the supporting force of the cushion leaning on the air bag to the waist back part of the user is moderate again, and at the moment, the air pressure in the cushion leaning on the air bag reaches the preset air pressure value again. Therefore, under the regulation of fitting with variable regulation and control system, fill the gassing along with user's position of sitting change by the pad, and then change the volume and the soft or hard degree that the pad leaned on the gasbag to make the back follow strutting arrangement can laminate, effectively support user's waist back position all the time, and change the holding power to waist back position, greatly reduce the user because of sitting for a long time and to the damage that the lumbar vertebrae caused, realize following the function of supporting user waist back position.
The office chair can adjust the hardness of the chair seat and the back following support device, effectively support the waist and back of a user and meet the requirements of different people.
Drawings
FIG. 1 is a circuit diagram of the back follow support of the present invention;
FIG. 2 shows an exploded view of a first embodiment of the back-following support device of the present invention;
FIG. 3 shows an exploded view of a second embodiment of the back-following support device of the present invention;
FIG. 4 shows a perspective view of the master controller and the air pressure sensor;
FIG. 5 is a wiring diagram of a first embodiment of an office chair of the present invention;
FIG. 6 is a perspective view of an office chair of the present invention;
FIG. 7 is a perspective view of the back rest plate, the cushion airbag and the soft cushion cover of the office chair;
FIG. 8 is a perspective view showing a seat fixing plate, a seat airbag and a soft cushion of an office chair;
FIG. 9 is a perspective view of the seat mounting plate and the comfort adjustment system of the office chair;
fig. 10 shows a wiring diagram of a second embodiment of the office chair of the present invention.
Description of the element reference numerals
1 backboard
2 Flexible back and waist support
21 cushion airbag
211 waist balloon
211a lower left air chamber
211b lower right air chamber
212 Back bladder
22 first air passage
221 inflation pipeline
222 exhaust line
23 second air passage
3 adapt to and become regulation and control system
31 master controller
32 air feeder
33 pressure regulating valve
34 air pressure sensor
35 hand controller
36 power supply
4 soft cushion cover
5 seat of chair
51 seat fixing plate
52 sit-down pressure sensor
53 seat portion gasbag
54 pressure control two-way air valve
55 soft cushion layer
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not limited to the technical essence, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1, 2, 3 and 4, the present invention provides a back following support device, comprising:
a back board 1;
the flexible back and waist support 2, the flexible back and waist support 2 comprises a cushion airbag 21 arranged on the back board 1;
the adaptive control system 3 comprises a main controller 31, an air supplier 32 for inflating the cushion airbag 21, a pressure regulating valve 33 for controlling the amount of air in the cushion airbag 21, and an air pressure sensor 34 for acquiring the air pressure in the cushion airbag 21, wherein the air supplier 32, the pressure regulating valve 33, and the air pressure sensor 34 are all connected with the main controller 31.
In the present invention, when the user leans on the air bag 21 at the back, the air pressure inside the air bag 21 changes, the air pressure sensor 34 transmits the collected air pressure data to the main controller 31, the main controller 31 processes the data to determine that the back following support device is used by the person, the air supplier 32 (e.g., an air pump) is controlled to inflate the air bag 21, and the pressure regulating valve 33 (e.g., a normally closed type electromagnetic valve and a dual electromagnetic valve having the functions of inflation, exhaust and pressure maintaining) is set to be in the state of inflating the air bag 21 until the air bag 21 can fully support the back of the user. When the air pressure in the cushion airbag 21 reaches the preset air pressure value, the main controller 31 controls the air supplier 32 to stop inflating the cushion airbag 21, and the pressure regulating valve 33 is in a pressure maintaining state of the cushion airbag 21. When the sitting posture of the user changes and the cushion-leaning air bag 21 cannot completely support the waist-back part of the user, the air pressure in the cushion-leaning air bag 21 is reduced, the main controller 31 controls the air supplier 32 to continuously inflate the cushion-leaning air bag 2 and further enables the pressure regulating valve 33 to be in an inflation state towards the cushion-leaning air bag 21 until the cushion-leaning air bag 2 completely supports the waist-back part of the user again, and at the moment, the air pressure in the cushion-leaning air bag 2 reaches the preset air pressure value again. When the sitting posture of the user changes and the supporting force of the cushion-leaning air bag 21 to the waist-back part of the user is too large, the air pressure in the cushion-leaning air bag 21 rises, the main controller 31 controls the pressure regulating valve 33 to be in a state of allowing the cushion-leaning air bag 21 to exhaust outwards, so that the air in the cushion-leaning air bag 21 leaks out until the supporting force of the cushion-leaning air bag 2 to the waist-back part of the user is moderate again, and at the moment, the air pressure in the cushion-leaning air bag 2 reaches the preset air pressure value again.
Therefore, under the regulation of the adaptive regulation and control system 3, the cushion leaning on the gasbag 21 to change along with the user's position of sitting and inflate the gassing, and then change the volume and the soft or hard degree that the cushion leaned on the gasbag 21 to make the back follow strutting arrangement can laminate all the time, effectively support user's waist back position, and change the holding power to waist back position, greatly reduce the user because of sitting for a long time and to the damage that the lumbar vertebrae caused, realize following the function of supporting user's waist back position.
As shown in fig. 2 and 3, in order to protect the cushion airbag 21 and improve the comfort of leaning on, the back following support device further includes a soft cushion cover 4, and the soft cushion cover 4 covers the side of the cushion airbag 21, which faces away from the back board 1.
As shown in fig. 1, the flexible back lumbar support 2 further includes a first air passage 22 and a second air passage 23 communicating with the cushion airbag 21, the air supplier 32 is connected to the first air passage 22, the pressure regulating valve 33 is provided in the first air passage 22, and the air pressure sensor 34 is connected to the second air passage 23.
Further, the first air passage 22 includes an inflation line 221 and an exhaust line 222 communicating with each other, both ends of the inflation line 221 in the extending direction are connected to the air feeder 32 and the cushion airbag 21, respectively, and the pressure regulating valve 33 is provided in the exhaust line 222.
As shown in fig. 4, in order to adjust the preset air pressure value of the cushion airbag 21, the adaptive control system 3 further includes a hand controller 35, and the hand controller 35 is connected to the main controller 31.
In order to supply the electric power to the master controller 31, the adaptive control system 3 further includes a power supply 36, and the power supply 36 (for example, a battery) is connected to the master controller 31.
The aforementioned cushion bladder 21 may comprise a single bladder or may comprise a plurality of bladders. Further, as shown in fig. 2, as a first embodiment of the back following support device: the cushion airbag 21 is divided into a waist bladder 211 and a back bladder 212 which are in the same communication. When the user's back position leaned on backward, back utricule 212 received the extrusion, because waist utricule 211 and back utricule 212 are the intercommunication, in order to keep the inside atmospheric pressure balance of cushion by gasbag 21, the inside gas of back utricule 212 can flow into the inside gas of waist utricule 211, and the volume of waist utricule 211 becomes big, and the volume of back utricule 212 diminishes to form effective support to the back position.
In order to improve the comfort of the user, the waist bladder 211 is divided into two lower left air cells 211a and 211b stacked one on another, and the back bladder 212 has a single air cell structure.
As shown in fig. 5 to 10, the present invention also provides an office chair comprising a seat 5 and the above-mentioned back following support device. The office chair improves the comfort level of users and effectively protects the lumbar vertebra parts of the users.
As shown in fig. 10, the seat 5 further includes a seat fixing plate 51 and a sitting pressure sensor 52 provided on the seat fixing plate 51, and the sitting pressure sensor 52 is connected to the master controller 31. For example, the seat pressure sensor 52 may be one of a thin film pressure sensor, a capacitive sensor, a strain gauge, and a mechanical switch.
When a person sits in the office chair, the pressure sensor 52 positioned on the seat fixing plate 51 transmits pressure data to the main controller 31, the main controller 31 controls the air supplier 32 to inflate the cushion airbag 21, and the pressure regulating valve 33 is in an inflation state to the cushion airbag 21 until the cushion airbag 21 can completely support the waist back part of the user. When the air pressure in the cushion airbag 21 reaches the preset air pressure value, the main controller 31 controls the air supplier 32 to stop inflating the cushion airbag 21, and the pressure regulating valve 33 is in a pressure maintaining state of the cushion airbag 21. When the sitting posture of the user changes and the cushion-leaning air bag 21 cannot completely support the waist-back part of the user, the air pressure in the cushion-leaning air bag 21 is reduced, the main controller 31 controls the air supplier 32 to continuously inflate the cushion-leaning air bag 2 and further enables the pressure regulating valve 33 to be in an inflation state towards the cushion-leaning air bag 21 until the cushion-leaning air bag 2 completely supports the waist-back part of the user again, and at the moment, the air pressure in the cushion-leaning air bag 2 reaches the preset air pressure value again. When the sitting posture of the user changes and the supporting force of the cushion-leaning air bag 21 to the waist-back part of the user is too large, the air pressure in the cushion-leaning air bag 21 rises, the main controller 31 controls the pressure regulating valve 33 to be in a state of allowing the cushion-leaning air bag 21 to exhaust outwards, so that the air in the cushion-leaning air bag 21 leaks out until the supporting force of the cushion-leaning air bag 2 to the waist-back part of the user is moderate again, and at the moment, the air pressure in the cushion-leaning air bag 2 reaches the preset air pressure value again.
As shown in fig. 5, the seat 5 further includes a seat air bag 53 for allowing the air supplier 32 to inflate, and a pressure-controlled two-way air valve 54 for controlling the amount of air in the seat air bag 53, wherein the pressure-controlled two-way air valve 54 is connected to the main controller 31.
When a person sits in the office chair, the main controller 31 also controls the air supplier 32 to inflate the seat airbag 53 and controls the pressure-controlling two-way air valve 54 to inflate the seat airbag 53 according to the pressure data of the sitting pressure sensor 52. When the air pressure inside the seat air bag 53 reaches the preset air pressure value, the pressure control two-way air valve 54 is switched to the pressure maintaining state to maintain the air pressure inside the seat air bag 53, so that the chair seat 5 maintains comfortable softness and hardness. For example, the pressure control bi-directional valve 54 is a two-way solenoid valve having functions of inflation, deflation, and pressure maintaining.
Therefore, the office chair can adjust the hardness of the chair seat 5 and the back following support device, effectively support the waist and back of a user and meet the requirements of different people.
In addition, in order to protect the seat airbag 53 and improve the comfort of sitting, the seat 5 further includes a soft cushion 55,
as shown in fig. 8, the seat airbag 53 is partitioned into a front air chamber, a rear right air chamber, and a rear left air chamber.
In conclusion, the back following and supporting device can be always attached to and effectively support the waist and back of a user, the supporting force on the waist and back is changed, the damage to the lumbar of the user caused by long-time sitting is greatly reduced, the function of following and supporting the waist and back of the user is realized, and the hardness of the chair seat and the back following and supporting device can be adjusted by the office chair, and the waist and back of the user can be effectively supported. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A back-following support device, comprising:
a backboard (1);
the flexible back and waist support (2), the flexible back and waist support (2) comprises a cushion airbag (21) arranged on the back board (1);
the adaptive adjustment and control system (3) comprises a main controller (31), an air feeder (32) for inflating the cushion leaning on the air bag (21), a pressure regulating valve (33) for controlling the amount of air in the cushion leaning on the air bag (21), and an air pressure sensor (34) for collecting the air pressure in the cushion leaning on the air bag (21), wherein the air feeder (32), the pressure regulating valve (33) and the air pressure sensor (34) are all connected with the main controller (31).
2. The back follow support device of claim 1, wherein: the back following support device further comprises a soft cushion cover (4), and the soft cushion cover (4) covers one side of the cushion backrest airbag (21) back to the backrest plate (1).
3. The back follow support device of claim 1, wherein: the flexible back and waist support (2) further comprises a first air passage (22) and a second air passage (23) which are communicated with the cushion leaning air bag (21), the air supply device (32) is connected with the first air passage (22), the pressure regulating valve (33) is arranged on the first air passage (22), and the air pressure sensor (34) is connected with the second air passage (23).
4. The back follow support device of claim 3, wherein: the first air channel (22) comprises an inflation pipeline (221) and an exhaust pipeline (222) which are communicated with each other, two ends of the inflation pipeline (221) in the extending direction are respectively connected with the air feeder (32) and the cushion leaning air bag (21), and the pressure regulating valve (33) is arranged on the exhaust pipeline (222).
5. The back follow support device of claim 1, wherein: the adaptive regulation and control system (3) further comprises a hand controller (35), and the hand controller (35) is connected with the main controller (31).
6. The back follow support device of claim 1, wherein: the cushion airbag (21) is divided into a waist bladder (211) and a back bladder (212) which are in the same communication.
7. The back follow support device of claim 6, wherein: the waist balloon (211) is divided into two lower left air chambers (211a) and two lower right air chambers (211b) which are overlapped with each other, and the back balloon (212) is of a single air chamber structure.
8. An office chair, characterized in that: comprising a seat (5) and a back following support device according to any one of claims 1 to 8.
9. An office chair as claimed in claim 8, wherein: the seat (5) comprises a seat fixing plate (51) and a sitting pressure sensor (52) arranged on the seat fixing plate (51), and the sitting pressure sensor (52) is connected with the main controller (31).
10. An office chair as claimed in claim 9, wherein: the seat (5) also comprises a seat air bag (53) allowing the air supplier (32) to inflate and a pressure-control two-way air valve (54) controlling the amount of air in the seat air bag (53), and the pressure-control two-way air valve (54) is connected with the main controller (31).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211042.1A CN112089246A (en) | 2020-11-03 | 2020-11-03 | Back following supporting device and office chair |
| PCT/CN2021/110334 WO2022095524A1 (en) | 2020-11-03 | 2021-08-03 | Back following support device, long-time sitting prevention control method and office chair |
| EP21888223.1A EP4215086A1 (en) | 2020-11-03 | 2021-08-03 | Back following support device, long-time sitting prevention control method and office chair |
| KR1020237010202A KR20230052982A (en) | 2020-11-03 | 2021-08-03 | Back tracking support device, long sitting prevention control method and chair |
| JP2023501659A JP2023534794A (en) | 2020-11-03 | 2021-08-03 | BACK FOLLOWING SUPPORT DEVICE, CONTROL METHOD AND CHAIR FOR PREVENTING SITTING FOR A LONG TIME |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211042.1A CN112089246A (en) | 2020-11-03 | 2020-11-03 | Back following supporting device and office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112089246A true CN112089246A (en) | 2020-12-18 |
Family
ID=73784556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011211042.1A Pending CN112089246A (en) | 2020-11-03 | 2020-11-03 | Back following supporting device and office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112089246A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095524A1 (en) * | 2020-11-03 | 2022-05-12 | 上海贝氪若宝健康科技有限公司 | Back following support device, long-time sitting prevention control method and office chair |
-
2020
- 2020-11-03 CN CN202011211042.1A patent/CN112089246A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095524A1 (en) * | 2020-11-03 | 2022-05-12 | 上海贝氪若宝健康科技有限公司 | Back following support device, long-time sitting prevention control method and office chair |
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Effective date of registration: 20220110 Address after: 200131 Pudong New Area, Shanghai, China (Shanghai) free trade pilot area, 211 North 302, 368 room. Applicant after: Shanghai bekrypton ruobao Health Technology Co.,Ltd. Address before: No.1779 Ping'an Road, Linhu Town, Wuzhong District, Suzhou City, Jiangsu Province Applicant before: Suzhou beikrypton Intelligent Technology Co.,Ltd. |
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