CN217644855U

CN217644855U - Home chair with lumbar support function

Info

Publication number: CN217644855U
Application number: CN202221462845.9U
Authority: CN
Inventors: 周晓明
Original assignee: Sichuan Yilian Household Products Co ltd
Current assignee: Sichuan Yilian Household Products Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-25
Anticipated expiration: 2032-06-13

Abstract

The utility model belongs to house chair field, especially a house chair with lumbar support function has most seat form to current house chair with lumbar support function in the use and fixes, can't satisfy different users' diversified demand to and the waist does not have the support, uses the problem that causes the waist disease easily for a long time, and the following scheme of present proposition, it includes the cushion, the top sliding connection of cushion has the adjustable back of the chair, one side of cushion is rotated and is connected with the upset back of the chair, the bottom of cushion is rotated and is connected with the base. The utility model discloses simple structure has richened the practical function of the house chair that has lumbar support function, and can adjust the form of seat according to the demand for the user is in the use, and waist and neck support all the time, alleviate fatigue, reduce the incidence of disease of part disease, and the travelling comfort is high, easy operation, and it is convenient to use.

Description

Home chair with lumbar support function

Technical Field

The utility model relates to a house chair technical field especially relates to a house chair with lumbar support function.

Background

A home chair with a lumbar support function is a chair which can support the waist of a user during use. At present, the rhythm of social life becomes fast, a large number of office workers sit on the chair to work in most of the day, the incidence of partial diseases caused by long-time sitting is higher and higher, and the improvement of the comfort level of the chair is particularly important under the condition of untimely rising exercise.

However, most seats on the market today have the following disadvantages:

1. the waist is not supported, the waist is in a suspended state for a long time after sitting down, and a waist support accessory needs to be additionally purchased if improvement is needed;

2. the shape is fixed, and the utility model can only be used for normal office life, and is not convenient for short-time rest and use;

3. the chair back can not be adjusted according to the requirements of users, so that the backrest can not be used by part of users in the using process;

4. the comfort level is not high.

Therefore, a home chair with a lumbar support function is proposed to solve the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing most of seats in the prior art are fixed in shape, cannot meet the diversified demands of different users, and the waist is not supported, and the long-time use easily causes the waist disease, and the provided home chair with the waist supporting function.

In order to realize the purpose, the utility model adopts the following technical scheme:

a home chair with a lumbar support function, which comprises a base,

the top of the base is rotatably connected with a cushion, one side of the cushion is fixedly connected with two symmetrically arranged fixed blocks, one side of the cushion is fixedly connected with a turnover shaft, the outer side of the turnover shaft is rotatably connected with a rotating shaft, and the top of the rotating shaft is fixedly connected with a turnover chair back;

the bottom of the cushion is fixedly connected with a connecting round rod, one side of the connecting round rod is fixedly connected with two armrests which are symmetrically arranged, and the top ends of the armrests are fixedly connected with a support plate;

the top of the cushion is slidably connected with an adjustable chair back, and one side of the adjustable chair back is fixedly connected with a fixing plate;

two sides of the cushion are respectively and fixedly connected with two symmetrically arranged adjusting components for adjusting the position of the adjustable chair back;

one side of the cushion is connected with a leg support in a sliding way;

one side of the fixed block is slidably connected with a limiting component used for limiting the state of the adjustable chair back.

Preferably, the adjusting part includes the slide rail of fixed connection in cushion one side, one side inner wall sliding connection of slide rail has the connecting rod, one side inner wall of slide rail rotates and is connected with the lead screw, the one end screw thread of lead screw extends to the inside of connecting rod, the other end of lead screw runs through slide rail and fixedly connected with hand wheel.

Preferably, the spacing subassembly includes the slider of sliding connection in fixed block one side, one side of slider is rotated and is connected with spacing circle axle, open one side of spacing circle axle has spacing through-hole, one side and fixed plate fixed connection of spacing circle axle, the fixed plate rotates with the connecting rod to be connected, one side fixedly connected with gag lever post of slide rail, and gag lever post and spacing through-hole sliding connection.

Preferably, one side of the adjustable chair back is fixedly connected with a neck support and a waist support.

Preferably, the inside of cushion is seted up the spout, and with leg support sliding connection.

Preferably, the bottom of base fixedly connected with a plurality of directive wheels, just the directive wheel is the brake universal wheel.

Preferably, one side of the leg support is fixedly connected with a pull ring.

Preferably, a torsion spring is fixedly connected between the fixing block and the rotating shaft and sleeved on the turning shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a house chair with lumbar support function, after the user sat, can be according to the height and the demand of difference, the back of the seat back is adjusted to the front and back for no matter the user sat lean on in the front or lean on the back, can both guarantee neck brace and waist brace and laminate user's neck and waist all the time, and when the user leaned on backward, the back of the seat back can overturn certain angle, self return after rising up can also be according to the height of demand adjustment seat, or pull out the leg support, makes the shank can support.

The utility model discloses simple structure has richened the practical function of the house chair that has the lumbar support function, and can adjust the form of seat according to the demand for the user is in the use, and waist and neck support all the time, alleviate fatigue, reduce the incidence of disease of part, and the travelling comfort is high, easy operation, and it is convenient to use.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a home chair with a lumbar support function according to the present invention;

fig. 2 is a schematic back structure view of a home chair with a lumbar support function provided in the present invention;

fig. 3 is a schematic sectional view of the cushion of the present invention;

FIG. 4 is a schematic structural diagram of an adjusting assembly according to the present invention;

fig. 5 is a schematic structural view of the middle connecting rod and the limiting component of the present invention.

In the figure: 1. the chair back can be adjusted; 101. a neck collar; 102. a waist support; 103. a fixing plate; 2. turning over the chair back; 201. a rotating shaft; 3. a cushion; 301. a turning shaft; 302. a chute; 303. a fixed block; 4. a torsion spring; 5. a leg rest; 501. a pull ring; 6. a handrail; 601. a support plate; 602. a connecting round bar; 7. a slide rail; 8. a lead screw; 9. a hand wheel; 10. a connecting rod; 11. a limiting rod; 12. a limiting circular shaft; 1201. a limiting through hole; 13. a slider; 14. a base; 15. and a steering wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1 to 5, a home chair with a lumbar support function, includes a base 14,

the top of the base 14 is rotatably connected with a cushion 3, one side of the cushion 3 is fixedly connected with two symmetrically arranged fixed blocks 303, one side of the cushion 3 is fixedly connected with a turnover shaft 301, the outer side of the turnover shaft 301 is rotatably connected with a rotating shaft 201, and the top of the rotating shaft 201 is fixedly connected with a turnover chair back 2;

the bottom of the cushion 3 is fixedly connected with a connecting round rod 602, one side of the connecting round rod 602 is fixedly connected with two armrests 6 which are symmetrically arranged, and the top ends of the armrests 6 are fixedly connected with a support plate 601;

the top of the cushion 3 is slidably connected with an adjustable chair back 1, and one side of the adjustable chair back 1 is fixedly connected with a fixing plate 103;

two sides of the cushion 3 are respectively and fixedly connected with two symmetrically arranged adjusting components for adjusting the position of the adjustable chair back 1;

one side of the cushion 3 is connected with a leg support 5 in a sliding way;

one side of the fixed block 303 is slidably connected with a limiting component for limiting the state of the adjustable chair back 1.

Example two

Referring to fig. 1-5, a home chair with a lumbar support function comprises a base 14, wherein a plurality of steering wheels 15 are fixedly connected to the bottom of the base 14, and the steering wheels 15 are brake universal wheels, so that the position of the chair can be flexibly changed and the chair is not easy to slide away.

The top of base 14 is rotated and is connected with cushion 3, two fixed blocks 303 that one side fixedly connected with symmetry of cushion 3 set up, one side fixedly connected with trip shaft 301 of cushion 3, the outside of trip shaft 301 is rotated and is connected with axis of rotation 201, the top fixedly connected with upset back of the chair 2 of axis of rotation 201, fixedly connected with torsional spring 4 between fixed block 303 and the axis of rotation 201, and torsional spring 4 cover is on trip shaft 301 for the back of the chair can overturn certain angle, improves the travelling comfort.

The bottom of the seat cushion 3 is fixedly connected with a connecting round rod 602, one side of the connecting round rod 602 is fixedly connected with two armrests 6 which are symmetrically arranged, and the top ends of the armrests 6 are fixedly connected with a support plate 601;

the top of the cushion 3 is slidably connected with an adjustable chair back 1, one side of the adjustable chair back 1 is fixedly connected with a fixing plate 103, and one side of the adjustable chair back 1 is fixedly connected with a neck support 101 and a waist support 102, so that the neck and the waist of a user can be supported.

Two sides of the cushion 3 are respectively and fixedly connected with two symmetrically arranged adjusting components for adjusting the position of the adjustable chair back 1, each adjusting component comprises a slide rail 7 fixedly connected to one side of the cushion 3, the inner wall of one side of each slide rail 7 is slidably connected with a connecting rod 10, the inner wall of one side of each slide rail 7 is rotatably connected with a lead screw 8, one end of each lead screw 8 extends into the corresponding connecting rod 10 in a threaded manner, and the other end of each lead screw 8 penetrates through each slide rail 7 and is fixedly connected with a hand wheel 9, so that the position of the adjustable chair back 1 can be adjusted according to new requirements of users;

one side sliding connection of cushion 3 has the leg to hold in the palm 5, and spout 302 has been seted up to the inside of cushion 3, and holds in the palm 5 sliding connection with the leg, and one side fixedly connected with pull ring 501 of leg support 5 is convenient for the leg to hold in the palm 5 use and accomodate.

One side sliding connection of fixed block 303 has the spacing subassembly that is used for injecing adjustable back of the chair 1 state, spacing subassembly includes sliding connection at the slider 13 of fixed block 303 one side, one side of slider 13 is rotated and is connected with spacing round axle 12, spacing through-hole 1201 has been opened to one side of spacing round axle 12, one side and fixed plate 103 fixed connection of spacing round axle 12, fixed plate 103 rotates with connecting rod 10 to be connected, one side fixedly connected with gag lever post 11 of slide rail 7, and gag lever post 11 and spacing through-hole 1201 sliding connection, make the state of adjustable back of the chair 1 can be injectd.

The utility model provides a theory of operation does: after the user sits on the seat, rotate hand wheel 9, connecting rod 10, spacing round shaft 12 and fixed plate 103 take place the displacement under lead screw 8's effect, when gag lever post 11 inserts spacing through-hole 1201, spacing round shaft 12 can not rotate for connecting rod 10 can only be on slide rail 7 back-and-forth movement, thereby fixed plate 103 drives adjustable back of the chair 1 back-and-forth movement, can guarantee that waist holds in the palm 102 and neck brace 101 laminates the user all the time, plays the supporting role. When the adjustable chair back 1 is adjusted to move towards the direction of the turnover chair back 2, the limiting rod 11 is gradually separated from the limiting through hole 1201, when the adjustable chair back 1 is completely separated, namely, when the adjustable chair back is tightly attached to the turnover chair back 2, the adjustable chair back 1 and the turnover chair back 2 lean backwards, the adjustable chair back and the turnover chair back 2 can rotate for a certain angle under the action of the torsion spring 4, and after the adjustable chair back 1 and the turnover chair back 2 are automatically reset to the initial state under the action of the torsion spring 4. When the user wants to use the leg rest 5, the user can pull the pull ring 501 to pull out the leg rest 5 and clamp the leg rest 5 in the sliding groove 302 of the seat cushion 3, so that the leg rest 5 can be fixed, and the leg rest 5 is pushed to the initial position after use.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A house chair with lumbar support function, includes base (14), its characterized in that:

the top of the base (14) is rotatably connected with a cushion (3), one side of the cushion (3) is fixedly connected with two symmetrically arranged fixed blocks (303), one side of the cushion (3) is fixedly connected with a turnover shaft (301), the outer side of the turnover shaft (301) is rotatably connected with a rotating shaft (201), and the top of the rotating shaft (201) is fixedly connected with a turnover chair back (2);

the bottom of the seat cushion (3) is fixedly connected with a connecting round rod (602), one side of the connecting round rod (602) is fixedly connected with two armrests (6) which are symmetrically arranged, and the top ends of the armrests (6) are fixedly connected with a support plate (601);

the top of the cushion (3) is slidably connected with an adjustable chair back (1), and one side of the adjustable chair back (1) is fixedly connected with a fixing plate (103);

two sides of the cushion (3) are respectively and fixedly connected with two symmetrically arranged adjusting components for adjusting the position of the adjustable chair back (1);

one side of the cushion (3) is slidably connected with a leg support (5);

one side of the fixed block (303) is slidably connected with a limiting component used for limiting the state of the adjustable chair back (1).

2. The household chair with the function of waist support according to claim 1, wherein the adjusting assembly comprises a slide rail (7) fixedly connected to one side of the seat cushion (3), a connecting rod (10) is slidably connected to the inner wall of one side of the slide rail (7), a lead screw (8) is rotatably connected to the inner wall of one side of the slide rail (7), one end of the lead screw (8) is in threaded connection with the inside of the connecting rod (10), and the other end of the lead screw (8) penetrates through the slide rail (7) and is fixedly connected with a hand wheel (9).

3. The household chair with the lumbar support function according to claim 2, wherein the limiting assembly comprises a sliding block (13) which is slidably connected to one side of a fixing block (303), one side of the sliding block (13) is rotatably connected with a limiting circular shaft (12), one side of the limiting circular shaft (12) is provided with a limiting through hole (1201), one side of the limiting circular shaft (12) is fixedly connected with a fixing plate (103), the fixing plate (103) is rotatably connected with a connecting rod (10), one side of the sliding rail (7) is fixedly connected with a limiting rod (11), and the limiting rod (11) is slidably connected with the limiting through hole (1201).

4. A home chair with a lumbar support function according to any of claims 1-3, characterized in that a neck support (101) and a lumbar support (102) are fixedly connected to one side of the adjustable chair back (1).

5. The household chair with the function of supporting the waist as claimed in claim 1, wherein the cushion (3) is provided with a sliding groove (302) therein and is connected with the leg rest (5) in a sliding manner.

6. The home chair with the lumbar support function according to claim 1, wherein a plurality of steering wheels (15) are fixedly connected to the bottom of the base (14), and the steering wheels (15) are brake universal wheels.

7. A home chair with a lumbar support function as set forth in claim 1, characterized in that a pull ring (501) is fixedly connected to one side of the leg rest (5).

8. The household chair with the function of supporting the waist as claimed in claim 1, wherein a torsion spring (4) is fixedly connected between the fixing block (303) and the rotating shaft (201), and the torsion spring (4) is sleeved on the turning shaft (301).