CN215959083U

CN215959083U - Multi-functional study chair of diversified support

Info

Publication number: CN215959083U
Application number: CN202122214314.XU
Authority: CN
Inventors: 黄文祝
Original assignee: Dongguan Bsuc Furniture Co ltd
Current assignee: Dongguan Bsuc Furniture Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-08
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of learning chairs, in particular to a multi-functional learning chair with multi-directional support.A chair body comprises an arc-shaped back cushion and a cushion, wherein the arc-shaped back cushion is provided with a backrest structure, the bottom of the cushion is provided with a leg support structure, and the leg support structure is matched with the backrest structure capable of adjusting the inclination angle; after a student sits on the seat body for a long time, the student can lean back backwards, the back is tightly attached to the arc-shaped back cushion, and the neck is tightly attached to the pillow protecting cushion, so that the fatigue of the back and the neck is effectively relieved, the humpback phenomenon is reduced, and the incidence of cervical spondylosis and lumbar spondylosis is reduced to a certain extent; when supporting the shank, the leg layer board can receive great gravity, consequently adopts the connecting block to be used for improving the rotational stability and the support intensity of bull stick, and is further, and its length that stretches out can be adjusted to the leg layer board that has extending structure, can adapt to the crowd of different heights.

Description

Multi-functional study chair of diversified support

Technical Field

The utility model relates to the technical field of learning chairs, in particular to a multi-functional learning chair with multi-directional support.

Background

The study chair is an important tool for students to study, and the structure and the quality of the study chair can greatly influence the sitting posture of the students and the comfort level of the students when the students sit down, thereby influencing the study efficiency.

The student can produce tired sense after sitting for a long time, need carry out transient rest, consequently current study chair has adopted the structure of leaning on the back for comfort level when improving the rest, but this kind of study chair only leans on the back the structure and is used for supporting usually, can't support more health limbs, leads to the student can not alleviate fatigue well when the rest, still can deepen sour sense even.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-functional learning chair with multi-directional support aiming at the defects of the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a multi-functional study chair of diversified support, including the seat body, the seat body includes arc back cushion and cushion, the said arc back cushion has back rest structure, the cushion bottom has leg to hold in the palm the structure; the backrest structure comprises a circle of fixing pieces for shaping, which are arranged along the edge of the arc-shaped back cushion, the back of the arc-shaped back cushion is provided with an upward extending connecting assembly, the end part of the connecting assembly is rotatably provided with a pillow protection cushion, the shape of the pillow protection cushion is reduced in proportion to the shape of the arc-shaped back cushion, the pillow protection cushion is provided with an arc-shaped supporting area for supporting the neck in a protruding mode, and the pillow protection cushion and the arc-shaped back cushion form a backrest structure which is attached to the back structure of a human body; the leg support structure comprises a fixed seat arranged along the length direction of the cushion, a driving rod is arranged in the fixed seat and can slide to the front end in a telescopic mode, connecting blocks extending horizontally to the two sides are formed at the end portions of the driving rod, a through connecting hole is formed in the connecting blocks in a horizontal mode, a rotating rod is horizontally inserted into the connecting blocks through the connecting hole, and the parts exposed at the two ends of the rotating rod are provided with turnover leg supporting plates respectively.

Further: the backrest structure still includes adjustable supporting component, and supporting component includes vertical installation in the supporting seat of arc back of the body pad bottom, still including setting up in the cushion bottom and with supporting seat normal running fit's mount pad, the mount pad shaping has the rotatory chamber that is used for holding the embedding of supporting seat tip, and the rotatable gomphosis of rotating component is installed to supporting seat one end at rotatory intracavity, and the installation has the fastening regulation pole of locking pole on the mount pad.

Further: the shaping of mount pad bottom has the rotation seat of being connected with rotatory chamber, and the runner assembly is including setting up the actuating lever at rotatory intracavity, and the actuating lever outer end is connected with the fastening regulation pole that has the locking lever, and supporting seat one end horizontal installation has the dead lever, and nested winding piece has between actuating lever and the dead lever, and the winding piece that rotation seat one end was passed through on the dead lever rotates round the actuating lever.

Further: the rotating assembly further comprises a rotating rod which rotates the supporting seat in the rotating cavity in a positioning mode, the rotating rod rotates the top end of the rotating seat to be connected with the supporting seat in a rotating mode, the rotating rod is nested with a torsion spring, the torsion spring comprises two connecting ends, one of the connecting ends is attached to the top of the rotating cavity, and the other connecting end extends into the rotating seat and is attached to the inner side wall of the rotating seat.

Further: the rotating assembly further comprises a bottom cover surrounding the supporting seat and the lower half portion of the rotating seat, and one end of the bottom cover extends towards the top of the supporting seat and is fixedly connected with the side wall of the supporting seat.

Further: coupling assembling is including setting up in the connection pipe fitting at arc back of the body pad back, connects the pipe fitting and is the laminating with the arc back of the body pad on splayed ground, connects the equal shaping in pipe fitting both ends and has the connection chamber, connects the intracavity adjustable insert length ground gomphosis and has the bending type connecting pipe that is used for supporting the arc back of the body pad.

Further: coupling assembling still includes the installation piece that pipe fitting middle section part surrounds will be connected to one end, and its installation piece one end shaping has two crooked arc connecting blocks that upwards extend, installs between two arc connecting block tip and protects the bolster and rotate the pivot of being connected, protects the bolster edge and has arranged the round and be used for the design of design, protects the vertical connecting plate that is used for adding fixed profile spare and with pivot horizontal connection in the bolster back.

Further: the leg layer board has the board body of a plurality of bleeder vents including even shaping, and the slight upwards arch in board body middle part has the arc supporting part that is used for supporting the shank, and this body edge of board is provided with the frame that encloses that is used for the design along a week, still includes integrated into one piece in the circular connecting block who encloses frame one end, and circular connecting block horizontal forming has the mating holes with bull stick interference fit.

Further: the surface of the round connecting block is provided with a tight locking hole communicated with the matching hole, and the inner thread of the tight locking hole is connected with a screw rod for increasing the friction force between the round connecting block and the rotating rod.

The utility model has the beneficial effects that: according to the multi-functional learning chair with the multi-directional support, the leg support structure is arranged at the bottom of the cushion and matched with the backrest structure capable of adjusting the inclination angle, so that students can relax the back and legs when having a rest, a better sleeping posture is obtained, and fatigue is effectively relieved; after a student sits on the seat body for a long time, the student can lean back backwards, the back is tightly attached to the arc-shaped back cushion, and the neck is tightly attached to the pillow protecting cushion, so that the fatigue of the back and the neck is effectively relieved, the humpback phenomenon is reduced, and the incidence of cervical spondylosis and lumbar spondylosis is reduced to a certain extent; when supporting the shank, the leg layer board can receive great gravity, consequently adopts the connecting block to be used for improving the rotational stability and the support intensity of bull stick, and is further, and its length that stretches out can be adjusted to the leg layer board that has extending structure, can adapt to the crowd of different heights.

Drawings

Fig. 1 is a schematic axial-direction structure diagram of a seat body according to the present invention.

Fig. 2 is a schematic view of the connection structure of the arc-shaped back cushion and the pillow protection cushion of the present invention.

Fig. 3 is a schematic view of the structure of the seat cushion of the present invention in the supporting state.

Fig. 4 is a schematic cross-sectional view of the rotating assembly of the present invention.

Fig. 5 is an exploded view of the rotating assembly of the present invention.

Fig. 6 is a schematic structural view of the seat cushion of the utility model.

Fig. 7 is a schematic structural view of the seat cushion of the present invention from another perspective.

Fig. 8 is a schematic view of the leg rest structure of the present invention.

The reference numerals include:

1-seat body 10-backrest structure 11-cushion 12-arc back cushion

2-support component 21-support seat 22-rotating seat 23-installation seat

3-rotating assembly 30-rotating cavity 31-driving rod 32-fixed rod 33-winding piece 34-circular friction plate

35-locking plate 36-locking hole 37-locking rod 371-fastening adjusting rod 38-rotating rod

39-torsion spring 391-attachment end 392-bottom cap.

4-connecting component 40, fixing component 41, connecting pipe component 42, connecting cavity 43, bent connecting pipe 5, pillow protection pad 50, arc-shaped supporting area 51, shaping component 52, connecting plate 53, round hole 54, rotating shaft 55, mounting block 56 and arc-shaped connecting block.

6-leg support structure 60-fixed seat 61-driving rod 62-connecting block 63-connecting hole 64-rotating rod 65-positioning column 66-limiting seat

7-leg supporting plate 71-plate body 72-breather hole 73-surrounding frame 74-circular connecting block 75-matching hole 76-locking hole 77-arc supporting part.

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1-8, a multi-functional study chair with multi-directional support comprises a chair body 1, the chair body 1 comprises an arc-shaped back cushion 12 and a seat cushion 11, the arc-shaped back cushion 12 is provided with a back rest structure 10, the bottom of the seat cushion 11 is provided with a leg support structure 6, the leg support structure 6 is matched with the back rest structure 10 capable of adjusting the inclination angle, so that students can relax the back and legs and obtain a better sleeping posture when having a rest, thereby effectively relieving fatigue;

the backrest structure 10 comprises a circle of fixing pieces 40 for shaping, which are arranged along the edge of an arc-shaped back cushion 12, the back of the arc-shaped back cushion 12 is provided with an upward extending connecting assembly 4, the end part of the connecting assembly 4 is rotatably provided with a pillow protection cushion 5, the shape of which is reduced in proportion to the shape of the arc-shaped back cushion 12, the pillow protection cushion 5 protrudes with an arc-shaped supporting area 50 for supporting the neck, and the pillow protection cushion 5 and the arc-shaped back cushion 12 form the backrest structure 10 which is attached to the back structure of a human body; after a student sits on the seat body 1 for a long time, the student can lean back backwards, the back is tightly attached to the arc-shaped back cushion 12, the neck is tightly attached to the pillow protecting cushion 5, the fatigue of the back and the neck is effectively relieved, the humpback phenomenon is reduced, and the incidence of cervical spondylosis and lumbar spondylosis is reduced to a certain extent;

leg holds in palm structure 6 and includes the fixing base 60 that sets up along 11 length direction of cushion, can be to the flexible ground that slides of front end in the fixing base 60 install actuating lever 31, the connecting block 62 that extends to both sides of level is formed to the tip of actuating lever 31, connecting block 62 horizontal forming has the connecting hole 63 that runs through, it has bull stick 64 to alternate through connecting hole 63 level on the connecting block 62, leg layer board 7 that can overturn is installed respectively to the naked part in bull stick 64 both ends, when supporting the shank, leg layer board 7 can receive great gravity, consequently, adopt connecting block 62 to be used for improving the rotational stability and the support intensity of bull stick 64, furthermore, the length that it stretches out can be adjusted to leg layer board 7 that has extending structure, can adapt to the crowd of different heights.

In order to let arc back cushion 12 can adjust inclination, structure 10 of leaning on still includes adjustable supporting component 2, supporting component 2 includes vertical installation in the supporting seat 21 of arc back cushion 12 bottom, still including setting up in cushion 11 bottom and with supporting seat 21 normal running fit's mount pad 23, mount pad 23 shaping has the rotatory chamber 30 that is used for holding supporting seat 21 tip embedding, rotatable gomphosis of rotating component 3 is installed to supporting seat 21 one end in rotatory chamber 30, the installation has the fastening regulation pole 371 of locking pole on the mount pad 23, to lock the pole insert on the fastening regulation pole 371, prevent that fastening regulation pole 371 from rotating, keep the angle after adjusting with arc back cushion 12, can adapt to different positions of sitting, effectively alleviate tired back.

In order to better match the rotating cavity 30 of the mounting seat 23 with the supporting seat 21 in a rotating manner, the bottom of the mounting seat 23 is formed with a rotating seat 22 connected with the rotating cavity 30, a part of the rotating seat 22 extends into the rotating cavity 30, a driving rod 31 is horizontally arranged in the rotating cavity 30, the outer end of the driving rod 31 is connected with a fastening adjusting rod 371 with a locking rod, a locking plate 35 positioned at the periphery of the driving rod 31 is formed on the side wall of the supporting seat 21, a locking hole 36 penetrating through the locking plate 35 and the fastening adjusting rod 371 is formed, and the cross section shape of the locking hole 36 is matched with that of the locking rod; supporting seat 21 one end horizontal installation has dead lever 32, and the nested winding 33 that has between actuating lever 31 and the dead lever 32, winding 33 play the effect of location to rotating seat 22, and when locking piece pole unclamped, actuating lever 31 can rotate, and rotating seat 22 one end this moment rotates round actuating lever 31 through winding 33 on the dead lever 32, accomplishes the inclination of arc back of the body pad 12 and adjusts.

The driving rod 31 is fixedly nested with a plurality of circular friction plates 34 which are in friction fit with the winding piece 33, the winding piece 33 is composed of a plurality of belt-shaped nesting plates, the nesting plates and the circular friction plates 34 are alternately fitted and nested on the driving rod 31, the rotating seat 22 connected with the fixing rod 32 rotates around the driving rod 31, and when the rotating seat rotates, the winding piece 33 and the circular friction plates 34 generate sliding friction force, so that the inertia caused by back pressure can be reduced, and the phenomenon of instant downward inclination can not occur.

The rotating assembly 3 further includes a rotating rod 38 for positioning and rotating the supporting seat 21 in the rotating cavity 30, the rotating rod 38 rotatably connects the top end of the rotating seat 22 with the supporting seat 21, a torsion spring 39 is nested on the rotating rod 38, the torsion spring 39 includes two connecting ends 391, one of the connecting ends 391 is attached to the top of the rotating cavity 30, the other connecting end 391 extends into the rotating seat 22 and is attached to the inner side wall of the rotating seat 22, an angle formed between the two connecting ends 391 of the torsion spring 39 is, when the arc-shaped back cushion 12 is adjusted in an inclined angle, one of the connecting ends 391 of the torsion spring 39 is bent inward, and the angle is smaller than the angle, at this time, the torsion spring 39 generates a tensile force, and when the arc-shaped back cushion 12 is not stressed after the locking rod is released, the arc-shaped back cushion 12 automatically turns back to the initial state due to the tensile force of the torsion spring 39.

The rotating assembly 3 further comprises a bottom cover 392 surrounding the lower half portions of the supporting seat 21 and the rotating seat 22, one end of the bottom cover 392 extends to the top of the supporting seat 21 and is fixedly connected with the side wall of the supporting seat 21, and a cavity matched with the rotating seat is formed in one part of the bottom cover 392, so that the rotating seat 22 can be better rotated and adjusted.

On the basis, the backrest structure 10 can also adjust the height of the backrest structure 10 according to the height of the user, so that the connecting pipe 41 is installed at the back of the arc-shaped back cushion 12, the connecting pipe 41 is fastened and attached to the back of the arc-shaped back cushion 12 in a splayed manner through a bolt, the two ends of the connecting pipe 41 are both formed with connecting cavities 42, the connection chamber 42 is inclined downward, a bent connection pipe 43 for supporting the arc-shaped back cushion 12 is inserted into the connection chamber 42 with an adjustable insertion length, both ends of the bent connection pipe 43 are respectively inserted into the connection chamber 42 of the connection pipe member 41, because the end part of the connecting pipe piece 41 is formed with a plurality of connecting holes 63 communicated with the connecting cavity 42, the embedded part of the bent connecting pipe 43 is formed with fixing holes in threaded fit with the connecting holes 63, and the fixing holes are fastened and connected with different connecting holes 63 through bolts, the mounting height of the arc-shaped back cushion 12 can be adjusted to adapt to students with different heights; the middle section of the bent connecting pipe 43 is horizontally formed outside the arc-shaped back cushion 12, and the middle section of the bent connecting pipe 43 is vertically connected with the mounting seat 23, so as to further enhance the structural stability of the backrest structure 10.

In order to realize the neck protection function of pillow pad 5 specifically, coupling assembling 4 includes that one end will be connected the installation piece 55 that pipe fitting 41 middle section part encircleed, the installation face laminating of most installation pieces 55 is fixed at arc back of the body 12 back, its installation piece 55 one end shaping has two crooked arc connecting block 56 that upwards extend, the crooked direction of this arc connecting block 56 is all outside, prevent that the student from touchhing this arc connecting block 56 on the back or the neck when leaning on, install between two arc connecting block 56 tip and protect pillow pad 5 and rotate the pivot 54 of being connected, consequently, pillow pad 5 can rotate to different directions round pivot 54, adjust the position that the neck supported, further alleviate the fatigue of neck.

In order to further improve the adjusting function of the pillow protection pad 5, a circle of shaping piece 51 for shaping is arranged at the edge of the pillow protection pad 5, a connecting plate 52 for adding a fixing piece 51 and horizontally connecting with a rotating shaft 54 is vertically arranged at the back of the pillow protection pad 5, the shaping piece 51 has the same function as the fixing piece 40 at the edge of the arc back pad 12, the service life can be prolonged, the deformation can be prevented, a round hole 53 for the rotating shaft 54 to penetrate is formed at the joint of the connecting plate 52 and the rotating shaft 54 in a penetrating way, the rotating shaft 54 is arranged on the round hole 53 in an interference fit way, the two side faces of the connecting plate 52 are in friction fit with the inner side face of the arc connecting block 56 during rotation, the pillow protection pad 5 cannot rotate randomly during rotation, after the angle is manually adjusted to a required angle, secondary rotation cannot easily occur, the comfort during leaning of the neck is influenced, and the pillow protection pad 5 can be always kept at an angle, need not the fixed subassembly of third party and fix the regulation, save time and save worry.

The leg supporting plate 7 comprises a plate body 71 which is uniformly formed with a plurality of air holes 72, the middle part of the plate body 71 slightly protrudes upwards to form an arc-shaped supporting part 77 for supporting the leg part, and the edge of the plate body 71 is provided with a surrounding frame 73 for shaping along the periphery, so that the designed leg supporting plate 7 can better accord with the ergonomic design and can be well attached to the leg part when supporting the leg part; in order to enable the leg supporting plate 7 to keep the shape during supporting, the leg supporting plate 7 further comprises a circular connecting block 74 integrally formed at one end of the surrounding frame 73, a matching hole 75 in interference fit with the rotating rod 64 is horizontally formed in the circular connecting block 74, a locking hole 76 communicated with the matching hole 75 is formed in the surface of the circular connecting block 74, obvious friction force is generated during overturning, a screw for increasing the friction force between the circular connecting block 74 and the rotating rod 64 is connected with the locking hole 76 in a threaded mode, and after the leg supporting plate is used for a long time, the screw can be screwed to be matched with the rotating rod 64, and the friction force is further improved;

the bottom of the seat cushion 11 is provided with a positioning column 65 for connecting the fixing seat 60, the fixing column is a hollow cavity tube, the length of the driving rod 31 is greater than that of the fixing seat 60, a limiting seat 66 surrounding one end of the fixing seat 60 is installed on the driving rod 31, when the driving rod 31 is embedded in the hollow fixing seat 60, the outer side wall of the driving rod 31 and the inner wall of the fixing seat 60 generate sliding friction force, and when the driving rod 31 stretches out and draws back, the driving rod 31 can be prevented from falling off.

In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the performance of the prior art and has practicability, and becomes a product with practical value.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides a multi-functional study chair of diversified support, includes the seat body, the seat body includes that the arc back of the body fills up and the cushion, its characterized in that: the arc-shaped back cushion is provided with a backrest structure, and the bottom of the cushion is provided with a leg support structure;

the backrest structure comprises a circle of fixing pieces for shaping, which are arranged along the edge of the arc-shaped back cushion, the back of the arc-shaped back cushion is provided with an upward extending connecting assembly, the end part of the connecting assembly is rotatably provided with a pillow protection cushion, the shape of the pillow protection cushion is reduced in proportion to the shape of the arc-shaped back cushion, the pillow protection cushion is provided with an arc-shaped supporting area for supporting the neck in a protruding mode, and the pillow protection cushion and the arc-shaped back cushion form a backrest structure which is attached to the back structure of a human body;

the leg holds in the palm the structure and includes the fixing base that sets up along cushion length direction, can be to the flexible ground that slides of front end in the fixing base install the actuating lever, and the connecting block that extends to both sides of actuating lever tip shaping level has, and the connecting hole that the connecting block horizontal forming has a penetration, has alternate the bull stick through connecting hole level on the connecting block, and the leg layer board that can overturn is installed respectively to the naked part in bull stick both ends.

2. The multi-functional chair of claim 1, characterized by that: the backrest structure still includes adjustable supporting component, and supporting component includes vertical installation in the supporting seat of arc back of the body pad bottom, still including setting up in the cushion bottom and with supporting seat normal running fit's mount pad, the mount pad shaping has the rotatory chamber that is used for holding the embedding of supporting seat tip, and the rotatable gomphosis of rotating component is installed to supporting seat one end at rotatory intracavity, installs the fastening regulation pole that has the locking pole on the mount pad.

3. The multi-functional chair of claim 2, characterized by that: the shaping of mount pad bottom has the rotation seat of being connected with rotatory chamber, and the runner assembly is including setting up the actuating lever at rotatory intracavity, and the actuating lever outer end is connected with the fastening regulation pole that has the locking lever, and supporting seat one end horizontal installation has the dead lever, and the nested winding piece that has between actuating lever and the dead lever rotates round the actuating lever that the winding piece on the dead lever is passed through to rotation seat one end.

4. The multi-functional chair of claim 3, characterized by that: the runner assembly still includes rotates the dwang at rotatory intracavity with the supporting seat location, and the dwang will rotate a top and rotate with the supporting seat and be connected, and nested on the dwang has torque spring, and torque spring includes two links, and one of them link laminating is in rotatory chamber top, and another link extends and laminates at the rotation seat inside wall to rotating the seat.

5. The multi-functional chair of claim 4, characterized by that: the rotating assembly further comprises a bottom cover surrounding the supporting seat and the lower half portion of the rotating seat, and one end of the bottom cover extends to the top of the supporting seat and is fixedly connected with the side wall of the supporting seat.

6. The multi-functional chair of claim 1, characterized by that: coupling assembling is including setting up in the connection pipe fitting at arc back of the body pad back, connects the pipe fitting and is the laminating with the arc back of the body pad on splayed ground, connects the equal shaping in pipe fitting both ends and has the connection chamber, connects the intracavity adjustable insert length ground gomphosis and has the bending type connecting pipe that is used for supporting the arc back of the body pad.

7. The multi-functional chair of claim 6, characterized by that: coupling assembling still includes the installation piece that pipe fitting middle section part surrounds will be connected to one end, and its installation piece one end shaping has two crooked arc connecting blocks that upwards extend, installs between two arc connecting block tip and protects the bolster and rotate the pivot of being connected, protects the bolster edge and has arranged the round and be used for the design of design, protects the vertical connecting plate that is used for adding fixed profile spare and with pivot horizontal connection in the bolster back.

8. The multi-functional chair of claim 1, characterized by that: the leg layer board has the board body of a plurality of bleeder vents including even shaping, and the slight upwards arch in board body middle part has the arc supporting part that is used for supporting the shank, and this body edge of board is provided with the frame that encloses that is used for the design along a week, still includes integrated into one piece in the circular connecting block that encloses frame one end, and circular connecting block horizontal forming has the mating holes with bull stick interference fit.

9. The multi-functional chair of claim 8, wherein the chair is a multi-directional chair: the surface of the circular connecting block is provided with a locking hole communicated with the matching hole, and the internal thread of the locking hole is connected with a screw rod for increasing the friction force between the circular connecting block and the rotating rod.