CN218008930U

CN218008930U - Multifunctional chair

Info

Publication number: CN218008930U
Application number: CN202221595364.5U
Authority: CN
Inventors: 李泽林; 徐军
Original assignee: Zhejiang Kangbeier Educational Equipment Co ltd
Current assignee: Zhejiang Kangbeier Industrial Co.,Ltd.
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-13
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a multifunctional chair, which comprises chair legs, a chair seat part arranged above the chair legs, an angle-adjustable chair back part arranged at the rear upper part of the chair seat part, and a rotatable headrest part arranged on the chair back part; rotatable armrests are symmetrically arranged on two sides of the chair seat part; the multifunctional chair has the advantages of being good in comfort level, ensuring safety of noon break, being in line with ergonomics, and being capable of changing 2 states of class break and noon break.

Description

Multifunctional chair

Technical Field

The utility model relates to a multifunctional chair; mainly relates to a multifunctional chair for students.

Background

The chair is a common article at present, and is needed in schools, offices and families, particularly students in the schools are mostly in the schools in the daytime, while the existing school chairs are of fixed structures and only have one form, so that the state cannot be changed, and under the condition, the students can only lie on the desk if having a noon break, the posture is not in line with ergonomics, and the comfort level is very poor; some products are designed for noon break of students, such as foldable beds, which need a large area, and students need to move desks and chairs in a large range when using the foldable bed, which is not only inconvenient, but also occupies a lot of space when not using the foldable bed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that prior art exists to a multi-functional chair that the comfort level is good, ensure noon break security, accord with ergonomic, and can alternate classroom and 2 states of noon break is provided.

The above technical problem of the utility model is mainly solved through the following technical scheme:

the utility model relates to a multifunctional chair, which comprises chair legs, a chair seat part arranged above the chair legs, an angle-adjustable chair back part arranged at the rear upper part of the chair seat part, and a rotatable headrest part arranged on the chair back part; rotatable armrests are symmetrically arranged on two sides of the chair seat.

Preferably, the seat part comprises a seat cushion, support rods a symmetrically arranged below the seat cushion, a cross rod transversely arranged between the two support rods a, and a fixing sleeve of a hollow tubular structure penetrating through the cross rod.

Preferably, the handrail comprises a small circular hinge with one end fixed on the support rod a and a handrail sleeve arranged outside the small circular hinge.

Preferably, the chair back part comprises a backrest, support rods b symmetrically arranged on the backrest, a fixed disc arranged between the support rods b, a connecting disc arranged on the fixed disc, a rotatable rotating disc arranged on the connecting disc, and a hinge arranged between the support rods a and the support rods b.

Preferably, the headrest portion comprises a fixing rod with a hollow structure, a movable rod with a hollow structure, a headrest, a toothed clamping groove, a button and a clamping piece, wherein the movable rod is arranged at the other end of the movable rod, the toothed clamping groove is formed in the movable rod, the button is arranged at the end portion of the fixing rod, the clamping piece is arranged in the movable rod, the clamping piece corresponds to the button, and the clamping piece can be pressed through the button.

Preferably, the clamping piece comprises a transverse piece, an arch piece connected to the transverse piece and clamping points arranged on two sides of the transverse piece, and the clamping points protrude outwards from two sides of the transverse piece and correspond to the clamping grooves.

Preferably, the hinge comprises a sub hinge end and a main hinge end which are matched with each other, a gear a and a gear b which are arranged on the sub hinge end, a gear fixing piece which is arranged on the main hinge end, a pressure spring which is arranged side by side with the gear fixing piece, and a gear shifting piece which is arranged in the middle of the sub hinge end; the sub-hinge end is connected with the support rod b, and the main hinge end is connected with the support rod a.

Preferably, a movable leg portion is provided below the seat cushion.

Preferably, the foot part comprises a base plate and connecting pipes symmetrically arranged below the base plate.

Preferably, the connection pipe is provided under the seat cushion by being inserted into the fixing sleeve.

The beneficial effects of the utility model are that:

1. the adjustable chair back part and the foot pad part ensure that the chair can change different forms according to the noon break state and the class break state, and a user can lie down or sit up to realize double functions.

2. The rotatable design of the headrest part enables the headrest to be adjusted according to different states, the headrest can support the head during noon break, a user feels more comfortable, the headrest is downwards positioned between the chair back part and the chair seat part during the classroom state, and the headrest can become a supporting point for supporting the waist part, so that the chair is more in line with ergonomics, and the user feels more comfortable when sitting; in addition, the pillow part is downward in the class-break state, so that the standard of school chairs can be met, the total height from the ground to the backrest of the whole chair is lower or not higher than that of a desk, and the sight of students in the back row is not blocked.

3. The rotatable armrest design can prevent the side from sliding down in noon break, the safety is improved, the armrests can be adjusted to be parallel to the seat part in the classroom state, the area of the seat cushion is increased, and the user can not be influenced to stand and leave the chair from two sides.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the rear view angle of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is an exploded view of the rear view angle of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is a partially enlarged and exploded view of the back of the chair of the present invention;

fig. 7 is an exploded view of the middle headrest portion of the present invention;

FIG. 8 is a schematic structural view of the button and the clip of the present invention;

FIG. 9 is a schematic structural view of the middle hinge of the present invention

Fig. 10 is an exploded view of the hinge of the present invention;

fig. 11 is a schematic structural view a of the noon break state of the present invention;

fig. 12 is a schematic structural diagram b of the noon break state of the present invention.

In the figure: 1-chair leg, 2-chair seat part, 3-chair back part, 4-armrest, 5-headrest part, 6-foot pad part, 7-hook, 2.1-support rod a, 2.2-cross rod, 2.3-fixing sleeve, 2.4-cushion, 3.1-support rod b, 3.2-backrest, 3.3-fixing disk, 3.4-connecting disk, 3.5-rotating disk, 3.6-hinge, 4.1-small round hinge, 4.2-armrest sleeve, 5.1-fixing rod, 5.2-movable rod, 5.3-headrest, 5.4-clamping slot, 5.5-button, 5.6-clamping piece, 6.1-connecting tube, 3.61-sub-hinge end, 3.62-gear a, 3.63-gear b, 3.64-changing catch, 3.65-pressure spring, 3.66-gear fixing piece, 3.67-mother hinge end, 5.61-clamping point, 5.62-transverse piece/5.63-transverse piece

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to clearly and clearly define the scope of the present invention.

As shown in fig. 1-2, a multifunctional chair is mainly suitable for school students and has two functions of a learning state and a noon break state. The chair comprises chair legs 1, a chair seat part 2 arranged above the chair legs 1 and a chair back part 3 which is arranged above the chair seat part 2 and can adjust the angle of 2 gears backwards, wherein the angles are 85 degrees and 135 degrees respectively, the chair back part 3 is adjusted to 85 degrees to be close to that of a conventional chair in class, the chair back part can accord with the sitting and standing angle of a child, the chair back part 3 is adjusted to 135 degrees in noon break, the chair back part is approximately parallel to the chair seat part 2, the child can lie on the chair, noon break is facilitated, and a rotatable headrest part 5 is arranged on the chair back part 3; the bilateral symmetry of seat portion 2 is provided with rotatable handrail 4, and handrail 4 is parallel with seat support portion 2 under the classroom state, and handrail 4 can upwards rotate 90 perpendicular to seat support portion 2's both sides when the state of noon break, plays the guard action of both sides, drops from both sides when avoiding noon break, can two-handed gripping as an impetus at handrail 4 simultaneously when the end of noon break is got up, is convenient for get up.

As shown in fig. 3, the seat part 2 includes a seat cushion 2.4, support rods a2.1 symmetrically disposed below the seat cushion 2.4, a cross rod 2.2 transversely disposed between the two support rods a2.1, and a fixing sleeve 2.3 penetrating through a hollow tubular structure disposed on the cross rod 2.2.

As shown in fig. 5, the handrail 4 includes a small circular hinge 4.1 fixed at one end to the support rod a2.1, and a handrail sleeve 4.2 disposed outside the small circular hinge 4.1. The armrests 4 are further pivoted upwards by 90 ° by means of small circular hinges 4.1 so as to be perpendicular to the seat 2 on both sides.

The chair back part 3 comprises a backrest 3.2, a support rod b3.1, a fixed disc 3.3, a connecting disc 3.4, a rotatable rotating disc 3.5 and a hinge 3.6, wherein one end of the support rod b3.1 is connected with the support rod a2.1, the fixed disc 3.3 is arranged between the support rods b3.1, the connecting disc 3.4 is arranged on the fixed disc 3.3, the rotatable rotating disc 3.5 is arranged on the connecting disc 3.4, and the hinge 3.6 is arranged between the support rod a2.1 and the support rod b 3.1; the connecting disc 3.4 is provided with grooves (not marked) which are symmetrically arranged up and down, the rotating disc 3.5 is provided with clamping parts (not marked) corresponding to the grooves, and the rotating disc 3.5 can rotate clockwise.

As shown in fig. 6-8, the headrest portion 5 includes a fixed rod 5.1 with a hollow structure and a movable rod 5.2 with a hollow structure, wherein one end of the movable rod is sleeved in the fixed rod 5.1, the movable rod 5.2 can move up and down in the fixed rod 5.1, and the end portion sleeved in the fixed rod 5.1 cannot be separated from the fixed rod 5.1; the headrest 5.3 is arranged at the other end of the movable rod 5.2, when the movable rod 5.2 is adjusted up and down, the height of the headrest 5.3 is changed, so that the height of the headrest 5.3 can be adjusted according to different heights to ensure the most comfortable height; the toothed clamping groove 5.4 is formed in the movable rod 5.2, specifically, the clamping groove 5.4 penetrates through the rear end face of the movable rod 5.2 and is integrally of a toothed long strip structure; and the setting is in button 5.5 near the dead lever 5.1 tip, and the fastener 5.6 of setting in movable rod 5.2, and fastener 5.6 is located movable rod 5.2, and corresponds the setting with button 5.5, can press fastener 5.6 through button 5.5.

The rotating disc 3.5 is connected with the fixed rod 5.1, the fixed rod 5.1 rotates along with the rotating disc 3.5 clockwise, the fixed rod can rotate 180 degrees clockwise, the headrest 5.3 faces downwards in the classroom state, the headrest can be just positioned between the seat cushion 2.4 and the backrest 3.2 to form a waist supporting structure by adjusting the movable rod 5.2, the rotating disc 3.5 rotates 180 degrees clockwise in the noon break, the headrest 5.3 faces upwards, the head can be supported after lying down, and meanwhile, the position of the headrest 5.3 can be adjusted by adjusting the movable rod 5.2 according to the height.

As shown in fig. 8, the clip member 5.6 includes a transverse piece 5.63, an arch piece 5.62 connected to the transverse piece 5.63, and two clipping points 5.61 arranged on two sides of the transverse piece 5.63, wherein the clipping points 5.61 protrude outwards from two sides of the transverse piece 5.63 and correspond to the clipping slots 5.4; fastener 5.6 is in the installation, horizontal piece 5.63 supports the terminal surface that has seted up draw-in groove 5.4 at movable rod 5.2, arch piece 5.62 supports another terminal surface at movable rod 5.2, when pressing down button 5.5, because arch structure of arch piece 5.62 receives pressure, can be pushed down certain height, thereby stuck point 5.61 breaks away from draw-in groove 5.4, movable rod 5.2 can adjust from top to bottom like this, when adjusting release button 5.5 behind the suitable position, arch piece 5.62 is bounce-back, stuck point 5.61 card is gone into in draw-in groove 5.4, thereby fixed movable rod 5.2.

As shown in fig. 9-10, the hinge 3.6 includes a sub hinge end 3.61 and a female hinge end 3.67, which are engaged with each other, and a shift position a3.62 and a shift position b3.63 provided on the sub hinge end 3.61, a shift position fixing piece 3.66 provided on the female hinge end 3.67, a compression spring 3.65 provided side by side with the shift position fixing piece 3.66, and a shift plate 3.64 provided in the middle of the sub hinge end 3.61; the sub hinge end 3.61 is connected with the support rod b3.1, the female hinge end 3.67 is connected with the support rod a2.1, when the angle of the back of the chair is adjusted, the angle of the hinge 3.6 is adjusted, when the back of the chair 3 is pressed backwards, the gear a3.62 is clamped on the gear fixing plate 3.66, when the back of the chair 3 is adjusted upwards, due to the problem of acting force, the gear shifting plate 3.64 is abutted against the gear fixing plate 3.66, at the moment, the pressure spring 3.65 acts, the gear fixing plate 3.66 is deviated backwards to be separated from the gear a3.62, so that the back of the chair 3 can be adjusted upwards, the principle of the hinge 3.6 is the same as that of the existing Japanese buckle hinge, only the adjustable gear angle is different, and the applicant of the further detailed principle does not describe in detail.

As shown in fig. 4, a movable foot rest portion 6 is disposed below the seat cushion 2.4, the foot rest portion 6 can be pulled out, the foot can be placed on the foot rest portion 6 when the user pulls out to lie in the noon break, and the foot rest portion 6 can be adjusted inward to be hidden under the seat cushion 2.4 in the class.

The foot part 6 comprises a base plate 6.2 and connecting pipes 6.1 symmetrically arranged below the base plate 6.2.

Said connection tube 6.1 is arranged below the seat cushion 2.4 by being inserted into the fixation sleeve 2.3. The adjustment of the foot part 6 is only required to be directly drawn, but one end of the connecting pipe 6.1 can not be separated from the fixing sleeve 2.3.

The hooks 7 are arranged below the handrails 4 and can be used for hanging articles such as a schoolbag and the like.

The chair leg 1 is a height-adjustable structure, and adopts an adjusting structure based on a screw principle, and the applicant does not describe the adjusting structure in detail because of the prior art.

From the break state to the lunch break state:

firstly, the rotating disc 3.5 is rotated clockwise, the headrest 5.3 is turned upwards, then the height of the movable rod 5.2 is adjusted according to the height of a user so that the headrest 5.3 can adapt to the lying height, the head of the user can be positioned on the headrest 5.3, then the chair back 3 is adjusted downwards, the specific adjusting process refers to the working principle of the hinge 3.6, the foot pad part 6 is pulled out, the chair can be changed into a lying state, and meanwhile, the handrails 4 can be perpendicular to the two sides of the chair seat 2 through the small circular hinges 4.1.

From the noon break state to the break state, the chair back portion 3 is adjusted in a reverse direction in such a manner that the chair back portion 3 and the seat portion 2 are in a state of 85 ° as described above, the rotating disc 3.5 is rotated clockwise again so that the headrest 5.3 is turned downward, and the armrest 4 is adjusted downward so as to be parallel to the seat portion 2.

The utility model has the advantages that:

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as specific conditions for those skilled in the art

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A multifunctional chair is characterized in that: comprises chair legs (1), a chair seat part (2) arranged above the chair legs (1), a chair back part (3) which is arranged at the rear upper part of the chair seat part (2) and can adjust the angle, and a rotatable headrest part (5) arranged on the chair back part (3); rotatable armrests (4) are symmetrically arranged on two sides of the seat part (2).

2. A multifunctional chair as claimed in claim 1, wherein: the chair seat part (2) comprises a seat cushion (2.4), support rods a (2.1) symmetrically arranged below the seat cushion (2.4), a cross rod (2.2) transversely arranged between the two support rods a (2.1) and a fixing sleeve (2.3) penetrating through a hollow tubular structure arranged on the cross rod (2.2).

3. A multifunctional chair as claimed in claim 2, wherein: the handrail (4) comprises a small circular hinge (4.1) with one end fixed on the support rod a (2.1) and a handrail sleeve (4.2) arranged outside the small circular hinge (4.1).

4. A multifunctional chair as claimed in claim 2, wherein: chair back portion (3) include back (3.2), and the symmetry sets up bracing piece b (3.1) that one end and bracing piece a (2.1) are connected on back (3.2), and set up fixed disk (3.3) between bracing piece b (3.1), and set up connection pad (3.4) on fixed disk (3.3), and set up rotatable rolling disc (3.5) on connection pad (3.4), and set up hinge (3.6) between bracing piece a (2.1) and bracing piece b (3.1).

5. A multifunctional chair as claimed in claim 1, wherein: headrest portion (5) include hollow structure's dead lever (5.1), and a pot head establish hollow structure's movable rod (5.2) in dead lever (5.1), and set up headrest (5.3) at the movable rod (5.2) other end, and set up dentate draw-in groove (5.4) on movable rod (5.2), and set up button (5.5) near dead lever (5.1) tip, and set up fastener (5.6) in movable rod (5.2), fastener (5.6) are located movable rod (5.2), and correspond the setting with button (5.5), can press fastener (5.6) through button (5.5).

6. A multifunctional chair as claimed in claim 5, wherein: the clamping piece (5.6) comprises a transverse piece (5.63), an arch piece (5.62) connected to the transverse piece (5.63), and clamping points (5.61) arranged on two sides of the transverse piece (5.63), wherein the clamping points (5.61) protrude outwards from two sides of the transverse piece (5.63) and correspond to the clamping grooves (5.4).

7. A multifunctional chair as claimed in claim 4, wherein: the hinge (3.6) comprises a sub hinge end (3.61) and a female hinge end (3.67) which are matched with each other, a gear a (3.62) and a gear b (3.63) which are arranged on the sub hinge end (3.61), a gear fixing piece (3.66) which is arranged on the female hinge end (3.67), a pressure spring (3.65) which is arranged side by side with the gear fixing piece (3.66), and a gear shifting piece (3.64) which is arranged in the middle of the sub hinge end (3.61); the sub hinge end (3.61) is connected with the support rod b (3.1), and the main hinge end (3.67) is connected with the support rod a (2.1).

8. A multifunctional chair according to claim 2, characterized in that: and a movable foot part (6) is arranged below the seat cushion (2.4).

9. A multifunctional chair according to claim 8, wherein: the foot part (6) comprises a base plate (6.2) and connecting pipes (6.1) symmetrically arranged below the base plate (6.2).

10. A multifunctional chair according to claim 9, wherein: the connecting pipe (6.1) is arranged below the seat cushion (2.4) by being inserted into the fixed sleeve (2.3).