CN215837982U

CN215837982U - Multifunctional adjustable seat capable of dynamically protecting spine

Info

Publication number: CN215837982U
Application number: CN202122392614.7U
Authority: CN
Inventors: 李传军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-18
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of daily supplies, in particular to a multifunctional adjustable seat for dynamically and dynamically protecting spines, which comprises a base, a cushion, a seat back and a headrest; the headrest is adjustably mounted on the chair back, and a cervical vertebra supporting part is arranged on the headrest; the chair back is provided with a lumbar supporting part and a thoracic supporting part; armrests are arranged on the two sides of the seat cushion and the chair back; the seat cushion is provided with a connecting seat and a supporting seat; a telescopic adjusting part is arranged between the chair back and the cushion; the chair back rotates relative to the seat cushion along the front-back direction; when the chair back rotates, the chair back can be changed in a telescopic mode under the action of the telescopic portion according to the position change of a user. The lumbar vertebra, the thoracic vertebra and the cervical vertebra of a user can be protected during work or leisure. The change of the chair back can provide supporting force for the human vertebra at any angle and height according to the change of the back of the human body, and the human vertebra can be protected. The comfort level of the seat is improved, and the chair is suitable for different people.

Description

Multifunctional adjustable seat capable of dynamically protecting spine

Technical Field

The utility model relates to the technical field of daily supplies, in particular to a multifunctional adjustable seat capable of dynamically protecting a spine.

Background

One of the most commonly used furniture in daily life is a chair, a user sits on the chair for a long time and has injuries to lumbar vertebra and cervical vertebra in different degrees, and ache feeling generated after sitting for a long time even causes cervical spondylosis and lumbar spondylosis.

Patent No. 201080004302.6 discloses a chair is adjusted to back for vertebra protection, the supplementary back of inboard installation lumbar vertebrae protection usefulness through the back structure, back and supplementary back adopt rack and pinion structure, along with the upper and lower slip of back makes supplementary back slides from top to bottom with the same proportion, according to the seat height of the people of sitting on the chair, rationally adjusts back and supplementary back height effectively protect the vertebra, this utility model in the back is the design of fixed angle, and the back is actual and the people's back separation, and user's position of sitting is used differently simultaneously, and supplementary back can not effectual protection vertebra, and single altitude mixture control function can not alleviate user's aching degree, is unfavorable for the user and uses.

The existing chairs on the market have the following defects: 1. the back of the chair can not provide 90 degrees and support, and the back of the chair is greater than 90 degrees contained angles with the seat support when static state, leads to the user when setting up back work, and human back can not get effectual support, the phenomenon of people's back and back of the chair separation appear. 2. The rotation of the chair back is not coaxial with the rotation of the human body, and the chair back and the human back do not rotate on the same axis, so that the chair back is not matched with the back of the human body after rotating, the supporting part is dislocated, and the discomfort is caused. 3. The rotation of the chair back is not synchronous with the rotation of the human body, and the chair on the market at present passively adapts to the change of the chair back instead of the change of the chair back along with the change of the human body. That is, "person moves with chair" rather than "chair moves with person".

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a multifunctional adjustable seat for dynamically protecting the spine, wherein a telescopic adjusting part is arranged between a seat back and a cushion, and armrests are arranged on the cushion and two sides of the seat back; the chair back rotates relative to the seat cushion along the front-back direction; the telescopic adjusting part arranged on the chair back obtains downward decomposition force when the back of a human body leans against the chair back, and the force enables the chair back to slide downwards and the motion direction of the back of the human body to be consistent so as to compensate the displacement difference when the chair back and the back of the human body rotate in different axes. The motion trail of the chair back is changed according to the position change of the user and keeps synchronous without separation. The user can obtain real-time support of the chair back from the upright angle during work or leisure, the pressure of the spine of the human body is decomposed, and the comfort level of the chair is improved. The headrest is adjustably mounted on the backrest, supports the neck of people with different heights, and is suitable for more extensive people.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a multifunctional adjustable seat for dynamically protecting the spine comprises a base, a cushion, a chair back and a headrest; the cushion is arranged on the base; the headrest is adjustably mounted on the chair back, and a cervical vertebra supporting part is arranged on the headrest; the chair back is provided with a lumbar supporting part and a thoracic supporting part; armrests are arranged on the two sides of the seat cushion and the chair back; the seat cushion is provided with a connecting seat and a supporting seat; a telescopic adjusting part is arranged between the chair back and the cushion; the telescopic adjusting part comprises a telescopic part, a mounting seat, a sitting line shaft and a supporting part; the telescopic part is fixedly connected with the mounting seat; the mounting seat is coupled with the connecting seat through the sitting line shaft; the mounting seat is movably connected with the supporting seat through the supporting part; the chair back rotates relative to the seat cushion along the front-back direction; the telescopic part is fixedly connected with the chair back, and when the chair back rotates, the chair back can be changed in a telescopic mode under the action of the telescopic part according to the position change of a user.

The supporting part arranged between the chair back and the chair seat obtains the supported rebounding force, and the force balance can be obtained at any angle, so that the back of the human body is supported; meanwhile, the telescopic adjusting part arranged on the chair back obtains downward decomposition force when the back of a human body leans against the chair back, and the force enables the chair back to slide downwards and is consistent with the movement direction of the back of the human body so as to compensate the displacement difference when the chair back and the back of the human body rotate in different axes. The motion trail of the chair back is changed according to the position change of the user and keeps synchronous without separation. The user can obtain real-time support of the chair back from the upright angle during work or leisure, the pressure of the spine of the human body is decomposed, and the comfort level of the chair is improved. The headrest is adjustably mounted on the chair back, and the height of the headrest is adjusted to support the neck of people with different heights, so that the chair is suitable for more extensive people.

Preferably, the telescopic part comprises a first telescopic pipe, a second telescopic pipe, an elastic component and an adjusting component; the first telescopic pipe is inserted into the second telescopic pipe and is in sliding fit with the second telescopic pipe, the second telescopic pipe is installed on the chair back, the adjusting part is adjustably installed on the second telescopic pipe, one end of the elastic part is located in the first telescopic pipe and is movably connected with the first telescopic pipe, and the other end of the elastic part is located in the second telescopic pipe and is connected with the adjusting part.

Preferably, the mounting seat comprises a mounting plate, a connecting plate, a line sitting shaft hole, a rotating shaft hole, a limiting groove and a rotating shaft, the connecting plate is mounted on the mounting plate, the line sitting shaft hole is formed in one end of the connecting plate, and the rotating shaft hole is formed in the other end of the connecting plate; the seat line shaft hole is adjacent to the mounting plate; the sitting line shaft is matched with the sitting line shaft hole; the rotating shaft is movably connected with the rotating shaft hole and is mutually matched; one end of the supporting part is movably connected with the rotating shaft, and the other end of the supporting part is movably connected with the supporting seat; the distance between the center of the seat line shaft hole and the center of the rotating shaft hole is 9-16 CM; the limiting groove is arranged on the connecting plate and used for supporting and limiting the rotation angle of the chair back.

Preferably, the support component and the elastic component are both gas springs.

Preferably, the armrest comprises an armrest horizontal part and an armrest vertical part, one end of the armrest horizontal part is connected to the chair, and the other end of the armrest horizontal part is hinged to one end of the armrest vertical part; the other end of the vertical part of the handrail is connected with the cushion.

The user's size is different, the strength is different, and different users only need apply certain power with the hand in the different positions of handrail when rotating the back of the chair, just can be light rotate the back of the chair, be fit for different age stages, different bodily form crowds use.

Preferably, the base comprises a caster, a star foot stand and a lifting pneumatic rod; the bottom of the star foot stand is provided with the trundles, and the lifting pneumatic rod is arranged on the star foot stand.

Preferably, at least one telescopic part is installed on the installation seat.

The utility model has the beneficial effects that: a telescopic adjusting part is arranged between the chair back and the cushion, and armrests are arranged on the cushion and two sides of the chair back; the cushion is provided with a connecting seat and a supporting seat; when the back of the chair rotated, the back of the chair changed according to the position change that uses, and the user homoenergetic protects user's lumbar vertebrae and thoracic vertebra in work or leisure, improves the comfort level of seat, through the altitude mixture control of headrest is fit for different age stages and uses. And the same chair can satisfy different users and use, can realize the volume production and the automated production of chair, improves production efficiency.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a schematic view of the chair back of the present invention rotated backward to 45 degrees.

Fig. 3 is a schematic view of the telescoping adjustment section of the present invention.

Fig. 4 is a schematic view of the structure of the telescopic part of the present invention.

Fig. 5 is a schematic view of the structure of the mounting seat of the present invention.

Fig. 6 is a schematic view of the installation base provided with two telescopic adjustment parts in embodiment 2 of the utility model.

The reference numbers illustrate: 1-a base; 101-truckles; 102-a spider; 103 lifting a pneumatic rod; 2-a cushion part; 3-a handrail; 301-armrest horizontal portion; 302 a handrail vertical portion; 4-headrest; 401-cervical spine support; 5-chair back; 501-lumbar support; 502-thoracic support; 6-a telescopic adjusting part; 201 a connecting seat; 202-a support seat; 601-a telescoping section; 602 a mounting seat; 603-sitting on the bobbin; 604-a support member; 611-a first telescopic tube; 612-a second telescoping tube; 613-regulating means; 614-elastic member; 621-a mounting plate; 622-seat line shaft hole; 623-a limiting groove; 624-rotating shaft hole; 625-a connecting plate; 626-a rotating shaft; 7-a first telescoping section; 8-second telescoping portion.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Embodiment 1, please refer to fig. 1-6, the utility model relates to a multifunctional adjustable chair for dynamically protecting spine, comprising a base 1, a seat cushion 2, a backrest 5, and a headrest 4; the cushion 2 is arranged on the base 1; the headrest 4 is adjustably mounted on the chair back 5, and a cervical vertebra supporting part 401 is arranged on the headrest 4; a lumbar supporting part 501 and a thoracic supporting part 502 are arranged on the chair back 5; armrests are arranged on two sides of the seat cushion 2 and the chair back 5; the seat cushion 2 is provided with a connecting seat 201 and a supporting seat 202; a telescopic adjusting part 6 is arranged between the chair back 5 and the seat cushion 2; the telescopic adjusting part 6 comprises a telescopic part 601, a mounting seat 602, a sitting line shaft 603 and a supporting part 604; the telescopic part 601 is fixedly connected with the mounting seat 602; the mounting seat 602 is coupled with the connecting seat 201 through a seat line shaft 603; the mounting seat 602 is movably connected with the supporting seat 202 through the supporting component 604; the seat back 5 rotates in the front-rear direction relative to the seat cushion portion 2; the telescopic portion 601 is fixedly connected with the chair back 5, and when the chair back 5 rotates, the chair back 5 can be changed in a telescopic manner under the action of the telescopic portion 601 according to the position change of a user.

According to the power propelling of user's production to leaning on backward the back of the chair rotates arbitrary angle, user's cervical vertebra lumbar vertebrae and thoracic vertebra and the contact of headrest, lumbar vertebrae supporting part and thoracic vertebra supporting part on the back of the chair, and when the user rotated the back of the chair, lumbar vertebrae supporting part and thoracic vertebra supporting part contacted with user's lumbar vertebrae and thoracic vertebra all the time on the back of the chair rotation in-process, when the user left the seat or when leaving the back of the chair, the back of the chair rotated the initial position automatically because of the reaction force that receives pneumatic spring. The user can protect the cervical vertebra, the lumbar vertebra and the thoracic vertebra of the user at any angle during working or leisure, and the comfort level of the chair is improved. Because the height of the user is different, the height of the adjusting headrest effectively supports the cervical vertebra of the user, is suitable for users with different heights, and is more widely used.

Referring to fig. 3-4, the telescopic portion 601 includes a first telescopic tube 611, a second telescopic tube 612, an elastic member 614, and an adjusting member 613; first extension tube 611 is inserted in second extension tube 612 and slidably engaged therewith, second extension tube 612 is mounted on chair back 5, adjusting member 613 is adjustably mounted on second extension tube 612, one end of resilient member 614 is located in first extension tube 611 and movably connected to first extension tube 611, and the other end is located in second extension tube 612 and connected to adjusting member 613.

Referring to fig. 2-5, the mounting base 602 includes a mounting plate 621, a connecting plate 625, a seat axis hole 622, a rotating shaft hole 624, a limiting groove 623, and a rotating shaft 626, wherein the connecting plate 625 is mounted on the mounting plate 621, one end of the connecting plate 625 is provided with the seat axis hole 622, and the other end is provided with the rotating shaft hole 624; the seat axis hole 622 is adjacent to the mounting plate 621; the sitting line shaft 603 is matched with the sitting line shaft hole 622; the rotating shaft 624 is movably connected with the rotating shaft hole 624 and is matched with the rotating shaft hole 624; one end of the supporting component 604 is movably connected with the rotating shaft 626, and the other end is movably connected with the supporting seat 202; the central distance between the seat line shaft hole 622 and the rotating shaft hole 624 is 11 CM; the connecting plate is provided with the limiting groove 623, and the limiting groove 623 is used for supporting and limiting the rotation angle of the chair back 5.

The supporting component 604 and the elastic component 614 are both gas springs; the different use positions do not need to select different gas springs for use to achieve the best effect.

According to the requirements of users, the chair back is rotated by different angles, and because the supporting component is the air spring, when the chair back rotates around the sitting axis, the acting force generated by the air spring acts on the mounting seat, so that the chair back can be ensured to rotate to any angle; when the chair back rotates to the maximum angle, the limit groove contacts with the cushion to limit the chair back to continue rotating, thereby improving the stability and the safety of the chair back,

referring to fig. 2, the armrest 3 includes an armrest horizontal portion 301 and an armrest vertical portion 302, wherein one end of the armrest horizontal portion 301 is connected to the seat back 5, and the other end of the armrest horizontal portion 301 is hinged to one end of the armrest vertical portion 302; the other end of the armrest vertical part 302 is connected with the seat cushion; the user can easily rotate the chair back 5 by applying a certain force to different positions of the armrest horizontal part 301.

The user's size is different, the strength is different, and different users only need to exert certain power with the hand in handrail (horizontal part) different positions when rotating the back of the chair, just can be light go up the back of the chair slides downwards to obtain better support effect. And the same chair can satisfy different users and use, can realize the volume production and the automated production of chair.

The base 1 comprises casters 101, a star foot stand 102 and a lifting pneumatic rod 103; the caster 101 is installed at the bottom of the spider 102, and the lifting pneumatic rod 102 is installed on the spider 102.

In embodiment 2, please refer to fig. 6, which is different from the above embodiment in that the telescopic portion 601 includes a first telescopic portion 7 and a second telescopic portion 8, the first telescopic portion 7 and the second telescopic portion 8 are both installed on the installation seat 602, and the first telescopic portion 7 and the second telescopic portion 8 are both fixedly connected to the seat back 5. Corresponding effects can be achieved by arranging one or more telescopic parts 601.

When the utility model is used: the back of the user contacts with the back of the chair, and the back of the chair rotates arbitrary angle under user's effect, and the user also can combine the handrail to use the back of the chair that slides from top to bottom more easily, and when user's back and back of the chair separated, the back of the chair rotated the initial position under the effect of support component automatically, and the supporting part on the back of the chair moved along with user's position change when the back of the chair rotated.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.

Claims

1. A multifunctional adjustable seat for dynamic spine protection, characterized in that it comprises a base, a seat cushion, a chair back, and a headrest; the seat cushion is installed on the base; the headrest is adjustable and installed on the On the seat back, the headrest is provided with a cervical vertebra support part; the seat back is provided with a lumbar vertebra support part and a thoracic vertebra support part; the seat cushion is provided with armrests on both sides of the seat back; the seat cushion is provided with a connection A telescopic adjustment part is arranged between the seat back and the seat cushion; the telescopic adjustment part includes a telescopic part, a mounting seat, a spool, and a support part; the telescopic part is fixedly connected with the mounting seat ; the mounting seat is coupled and connected to the connecting seat through the spool; the mounting seat is movably connected to the support seat through the support member; the seat back rotates in the front-rear direction relative to the seat cushion; the The telescopic portion is fixedly connected with the seat back, and when the seat back is rotated, the seat back can expand and contract according to the change of the user's position under the action of the telescopic portion.

2 . The multifunctional adjustable seat for dynamic spine protection according to claim 1 , wherein the telescopic part comprises a first telescopic tube, a second telescopic tube, an elastic part, and an adjustment part; The tube is inserted into the second telescopic tube and is slidably fitted, the second telescopic tube is installed on the seat back, the adjusting member is adjustable and installed on the second telescopic tube, and one end of the elastic member is located at the seat back. The first telescopic tube is movably connected to the first telescopic tube, and the other end is located in the second telescopic tube and is connected to the adjusting member.

3 . The multifunctional adjustable seat for dynamic spine protection according to claim 1 , wherein the mounting seat comprises a mounting plate, a connecting plate, a seat line shaft hole, a rotating shaft hole, a limit groove, and a rotating shaft, 3 . The connecting plate is mounted on the mounting plate, one end of the connecting plate is provided with the spool hole, and the other end is provided with the rotating shaft hole; the spool hole is adjacent to the mounting plate; the spool is connected to the The seat spool hole is adapted; the rotating shaft is movably connected with the rotating shaft hole and is adapted to each other; one end of the support member is movably connected with the rotating shaft, and the other end is movably connected with the support seat; the seat spool hole is movably connected with each other; The distance from the center of the shaft hole is 9CM-16CM; the connecting plate is provided with the limiting slot, and the limiting slot is used to support and limit the rotation angle of the seat back.

4 . The multifunctional adjustable seat for dynamic spine protection according to claim 2 , wherein the supporting member and the elastic member are both gas springs. 5 .

5 . The multifunctional adjustable seat for dynamic spine protection according to claim 1 , wherein the armrest comprises an armrest horizontal portion and an armrest vertical portion, and one end of the armrest horizontal portion is connected to the chair back. 6 . , the other end is hingedly connected with one end of the vertical part of the armrest; the other end of the vertical part of the armrest is connected with the seat cushion.

6 . The multifunctional adjustable seat for dynamic spine protection according to claim 1 , wherein the base comprises casters, a star tripod, and a lifting and lowering pneumatic rod; the casters are installed at the bottom of the star tripod, The lift pneumatic rod is mounted on the star tripod.

7 . The multifunctional adjustable seat for dynamic spine protection according to claim 3 , wherein at least one of the telescopic parts is installed on the mounting seat. 8 .