CN214072571U

CN214072571U - Novel multifunctional seat

Info

Publication number: CN214072571U
Application number: CN202120150116.9U
Authority: CN
Inventors: 黄国宇
Original assignee: Foshan Aimer Furniture Co ltd
Current assignee: Foshan Aimer Furniture Co ltd
Priority date: 2020-10-26
Filing date: 2021-01-20
Publication date: 2021-08-31
Anticipated expiration: 2031-01-20
Also published as: CN112890486A

Abstract

The utility model provides a novel multifunctional chair, includes the chair foot, installs the seat support on the chair foot and sets up the back at seat support back, and the left and right sides symmetry at the seat support is equipped with two sides that can overturn and adjust the inclination and leans on, the side is leaned on and is connected through first adjusting part between the seat support, at least including one among the first adjusting part lean on one to adjust to the first regulation gear that is close the right angle state with the seat support and one will incline and lean on to adjust to the second that is close the straight angle state with the seat support and adjust the gear, two sides lean on the first adjusting part of accessible to adjust alone, make the seat can adjust through first adjusting part and form the side and lean on the official working use form that is the right angle state with the seat support, also can lean on the side and adjust to the rest use form that is the straight angle state with the seat support, can also lean on the side and adjust to lean on the use form with the inclination that is between the inclination state of right angle and straight angle with the seat support.

Description

Novel multifunctional seat

Technical Field

The utility model belongs to the technical field of the seat structure, concretely relates to novel multifunctional seat.

Background

The chair is one of necessary furniture products in people's life, and with the improvement of modern people's living standard, people more and more pay attention to improve the quality of life, especially office furniture, because people's office time is increasing, in addition to having the most basic sitting comfort function to office chair, also hope that the chair has various functions to realize different use requirements, such as rest function, the chair with the rest function of lying on the market now, its structure is generally to adjust the back to be in flat angle state with the seat, the chair of this structure, because the longitudinal length of the back is much longer than the longitudinal length of the seat, and when the human body lies on the chair, the whole center is located at the back part, and there is no support point under the back, people easily topple over when using the chair of this structure to lie on the rest, the security is not high, and the demand of structural strength of the back of the chair is higher, the manufacturing cost of the entire seat is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a novel multifunctional seat.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a novel multifunctional chair, includes the chair foot, installs the seat support on the chair foot and sets up the back at seat support back, and the left and right sides symmetry of seat support is equipped with two sides that can overturn and adjust the inclination and leans on, the side lean on and be connected through first adjusting part between the seat support, at least including one among the first adjusting part with the side lean on adjust to be close the first regulation gear of right angle state with the seat support and one lean on the side adjust to be close the second regulation gear of straight angle state with the seat support, two sides lean on the first adjusting part of accessible to adjust alone.

As a further improvement of the utility model, the backrest is connected with the chair seat through a second adjusting part, and the second adjusting part is arranged at the back of the backrest and the bottom of the chair seat.

As a further improvement, the backrest inclination angle adjusting structure for adjusting the backrest inclination angle is included in the second adjusting part, the backrest inclination angle adjusting structure at least comprises a third adjusting gear for adjusting the backrest to the vertical state with the chair seat and a fourth adjusting gear for adjusting the backrest to the parallel state with the chair seat.

As a further improvement, the backrest height adjusting structure for adjusting the backrest height is arranged in the second adjusting part, and the backrest height adjusting structure at least comprises two height adjusting gears for adjusting the backrest to two different height positions.

As a further improvement, the second adjusting part includes the back fore-and-aft adjustment structure that is used for carrying on back-and-forth movement regulation therein, the back fore-and-aft adjustment structure includes two at least with the back adjust to with the seat support fore-and-aft distance different front and back apart from the regulation gear.

As a further improvement of the utility model, the first adjusting part further comprises a plurality of side-to-side adjusting parts which are connected with the chair seat to form different inclination angle states between the right angle and the straight angle and are connected with the middle gear.

As a further improvement, the backrest inclination angle adjusting structure further comprises a plurality of backrest adjusting structures, wherein the backrest adjusting structures adjust the backrest to form intermediate gears of the backrest in different inclination angle states between a vertical state and a parallel state with the chair seat.

As a further improvement of the utility model, the chair legs are provided with air rods for adjusting the height and the rotation direction of the chair.

The utility model has the advantages that: the utility model discloses a set up two sides that can overturn and adjust the side of inclination and lean on in the both sides of seat support, lean on and set up the first regulating part between the seat support to connect at the side simultaneously, make the seat can adjust through the first regulating part and form the side and lean on the official working use form that is the right angle state with the seat support, also can lean on the side and adjust to the rest use form that is the straight angle state with the seat support, can also lean on the side and adjust to the inclination that is between the right angle and straight angle state with the seat support and lean on the use form; when the side is leaned on and is adjusted to rest user state, because two sides lean on to be the symmetry setting, the use focus of seat falls on the seat support, and the bottom of seat support has the chair foot to support, and the whole equilibrium of seat is higher, and is stable in utilization safety, and the seat of this structure is less to the back and the support intensity requirement that the side leaned on simultaneously, can effectively reduce the manufacturing cost of seat.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a schematic view of the side rest of the seat of the present embodiment adjusted to a position close to a right angle with the seat;

FIG. 2 is a schematic view of the side rest of the seat of the present embodiment adjusted to an intermediate position between a right angle and a flat angle with respect to the seat;

FIG. 3 is a schematic view of the seat side rest of the present embodiment adjusted to a position close to a flat angle with the seat;

FIG. 4 is a rear view of FIG. 1;

FIG. 5 is a schematic structural view of the seat back of the present embodiment when adjusted to a higher position;

FIG. 6 is a side view of the seat side rest of the present embodiment adjusted to a flat angle with the seat and the backrest height adjusted to a higher position;

FIG. 7 is a schematic view of the backrest adjustment and the seat of the present embodiment in a vertical and parallel position;

FIG. 8 is a schematic view of the backrest of the chair being adjusted to be parallel to the seat of the present embodiment;

FIG. 9 is a schematic view showing an internal structure of a first regulating member according to the present embodiment;

fig. 10 is a schematic view of the internal structure of the first adjusting member of this embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Example (b):

as shown in fig. 1 to 8, the embodiment discloses a novel multifunctional chair, which includes chair legs 1, a chair seat 2 installed on the chair legs 1, and a backrest 3 disposed at the back of the chair seat 2, wherein two side rests 4 capable of being turned over and adjusting inclination angles are symmetrically disposed at the left and right sides of the chair seat 2, the side rests 4 are connected with the chair seat 2 through a first adjusting part 5, the first adjusting part 5 at least includes a first adjusting gear for adjusting the side rest 4 to a right angle state close to the chair seat 2 and a second adjusting gear for adjusting the side rest 4 to a flat angle state close to the chair seat 2, and the two side rests 4 and can be independently adjusted through the first adjusting part 5. The first adjusting component 5 also comprises a plurality of side rest middle gears which adjust the side rest 4 to different inclination angles between a right angle and a straight angle with the seat 2. At this time, the side rest 4 of the chair of the embodiment can be adjusted to a plurality of inclination angles, and when the side rest 4 is adjusted to be in a right angle state with the chair seat 2, the chair is in an office use state and is used for people to sit; when the side rest 4 is adjusted to be in a flat angle state with the chair seat 2, the chair is in a rest use state for people to lie flat and rest; the side lean on 4 can also adjust different inclination states according to people's user demand, supplies people to lean on the use, has multiple state and adjusts the conversion, satisfies people's multiple user demand, improves the practicality of seat. In the embodiment, a side backrest adjusting handle 55 for adjusting the inclination angle of the side backrest 4 is arranged in the first adjusting component 5, the first adjusting component 5 comprises a side backrest connecting piece 51 fixedly arranged at the back part of the side backrest 4 and a seat connecting piece 52 fixedly arranged at the bottom part of the seat 2, a plurality of side leaning latch teeth 53 for adjusting and blocking the inclination angle are arranged in the chair seat connecting piece 52, a side leaning limit shaft 54 which is used for realizing locking by matching with the side leaning latch 53 is arranged in the side leaning connecting piece 51, when the inclination angle of the side leaning 4 is adjusted, the side rest limit shaft 54 is separated from the side rest latch 53 by pressing the side rest adjusting handle 55, the locking relation between the side rest connecting piece 51 and the seat connecting piece 52 is released, the side rest 4 can be adjusted in inclination, when the side rest 4 is adjusted to the required inclination angle, the side rest adjusting handle 55 is released, and the side rest limiting shaft 54 enters the corresponding side rest latch 53 to realize locking.

In a preferred embodiment, the backrest 3 and the seat 2 are connected by a second adjusting member 6, and the second adjusting member 6 is attached to the back portion of the backrest 3 and the bottom portion of the seat 2. The second adjusting component 6 comprises a backrest inclination angle adjusting structure 61 for adjusting the inclination angle of the backrest 3, and the backrest inclination angle adjusting structure 61 at least comprises a third adjusting gear for adjusting the backrest 3 to be perpendicular to the seat 2 and a fourth adjusting gear for adjusting the backrest 3 to be parallel to the seat 2. The second adjusting component 6 comprises a backrest height adjusting structure 62 for adjusting the height of the backrest 3, and the backrest height adjusting structure 62 at least comprises two height adjusting gears for adjusting the backrest 3 to two different height positions. The second adjusting part 6 comprises a backrest front-back adjusting structure 63 for adjusting the backrest 3 to move back and forth, and the backrest front-back adjusting structure 63 at least comprises two front-back distance adjusting gears for adjusting the backrest 3 to be different from the front-back distance of the seat 2. The backrest inclination angle adjusting structure 61 further comprises a plurality of backrest intermediate gears for adjusting the backrest 3 to different inclination angle states between the vertical and parallel states with the seat 2. The backrest 3 of the present embodiment can realize three adjustment functions of tilt angle adjustment, height adjustment and front-rear distance adjustment, wherein the second adjustment part 6 includes a slide rail fixedly mounted at the bottom of the seat 2, a corner plate 64 cooperatively connected with the slide rail, a first adjustment part 65 cooperatively adjusting the height of the corner plate 64, and a second adjustment part 66 cooperatively adjusting the tilt angle of the backrest 3 with the first adjustment part 65, the first adjustment part 65 is provided with a backrest adjustment handle 67 for controlling the tilt angle adjustment of the backrest 3, the first adjustment part 65 and the second adjustment part 66 are cooperatively locked with each other by a backrest latch 68 and a backrest limit shaft 69, when the tilt angle of the backrest 3 is adjusted, the backrest limit shaft 69 is disengaged from the backrest latch 68 by pulling the backrest adjustment handle 67, the locking relationship between the first adjustment part 65 and the second adjustment part 66 is released, and the backrest 3 can be adjusted, after the backrest 3 is adjusted to a required inclination angle, the backrest adjusting handle 67 is loosened, and the backrest limit shaft 69 enters the corresponding backrest latch 68 to be matched and locked; a backrest adjusting handle 70 for controlling the backrest 3 to adjust the height is arranged in the first adjusting part 65, a plurality of adjusting holes 60 are arranged in the corner plate 64, a height limiting column which can enter the adjusting holes 60 to lock is arranged in the first adjusting part 65, when the backrest 3 is adjusted in height, the backrest adjusting handle 70 is pulled out, the height limiting column is separated from the adjusting holes 60, after the backrest 3 is moved up and down to the required height, the backrest adjusting handle 70 is loosened, and the height limiting column enters the corresponding adjusting hole 60 to lock; when the front-back distance of the backrest 3 is adjusted, the angle rotating plate 64 is pulled to move front and back, wherein the angle rotating plate 64 is matched with the sliding rail through the self-locking structure, and the backrest 3 is locked through the self-locking structure after moving front and back to a required position.

In a preferred embodiment, an air rod for adjusting the height and the rotation direction of the chair is arranged in the chair leg 1, and the chair has the functions of overall height adjustment and rotation through the arrangement of the air rod, and the structure belongs to the conventional design structure of the chair leg 1 of the office chair and is not described in detail here.

Specifically, as shown in fig. 9, there is provided a specific structure of the first adjusting member 5 that can achieve the above-mentioned adjusting function, wherein the side leaning link 51 is connected with the inner end of the seat link 52 through a rotating shaft, and the side leaning link 51 and the seat link 52 achieve the rotation inclination angle adjustment through the rotating shaft. A linkage rod 56 for linking the side-leaning adjusting handle 55 with the side-leaning limiting shaft 54 is arranged in the first adjusting component 5, the linkage rod 56 is of a folded angle structure, the linkage rod 56 comprises a short rod 561 and a long rod 562, one end of the short rod 561 is connected with the side-leaning adjusting handle 55, the other end of the short rod 561 is connected with one end of the long rod 562, the other end of the long rod 562 is connected with the side-leaning limiting shaft 54, the middle part of the side-leaning adjusting handle 55 is installed in the first adjusting component 5 through a rotating shaft, the short rod 561 is connected to the lower part of the side-leaning adjusting handle 55, the upper part of the side-leaning adjusting handle 55 is connected with a first return spring 57 for automatically returning after the side-leaning adjusting handle 55 performs adjusting action, and the side-leaning adjusting handle 55 is controlled to move away from the upper part of the side-leaning adjusting handle 55 under the action of the elastic force of the first return spring 57 without external force, The lower part is close to the side, namely the side is limited to the state that the side is locked with the seat connecting piece 52 by the side connecting piece 51 by the limit shaft 54; and the user can lean on adjusting handle 55 through pressing the side, make the side lean on the lower part perk of adjusting handle 55, drive the action of gangbar 56 to make the side lean on spacing axle 54 and break away from the side and lean on latch 53, the side is leaned on connecting piece 51 and seat support connecting piece 52 and is in the unblock state, and the unblock rear side is leaned on and to be carried out the inclination and adjust, accomplishes the side and leans on the inclination to adjust the back, loosens the side and leans on adjusting handle 55, and the side leans on connecting piece 51 and seat support connecting piece 52 to get back to the locking state again, and it is very convenient to operate. In addition, a sliding groove 563 is formed at the connection part of the linkage rod 56 and the side leaning limit shaft 54, so that the linkage rod 56 can move and interfere in the length direction when the driving side leaning limit shaft 54 moves, and the side leaning limit shaft 54 can move in the side leaning latch 53 along with the action of the linkage rod 56. The requirement of the machining precision of the first adjusting part 5 can be reduced, if the sliding groove 563 is not arranged, the length relation of the linkage rod 56 needs to be designed accurately, so that when the side leaning adjusting handle 55 acts, the side leaning limiting shaft 54 can be locked and unlocked smoothly through the linkage rod 56.

Specifically, as shown in fig. 10, there is also provided a second adjusting member capable of performing the above-mentioned adjusting function, wherein the first adjusting member 65 is connected to an inner side of the second adjusting member 66 through a rotating shaft, and the first adjusting member 65 and the second adjusting member 66 perform a rotation inclination angle adjustment through the rotating shaft. The first adjusting part 65 is internally provided with a linkage mechanism for realizing linkage of the backrest adjusting handle 67 and the backrest limit shaft 69, the linkage mechanism comprises a moving rod 71 with one end connected with the backrest limit shaft 69, a swing arm 72 connected with the other end of the moving rod 71 and a rotating wheel 73 connected with the other end of the swing arm 72, the outer side wall of the moving rod 71 is provided with a limit block 74 for limiting the moving rod 71 to perform linear movement, the limit block 74 is sleeved on the outer side wall of the moving rod 71, the swing arm 72 is connected at the eccentric position of the rotating wheel 73, the inner side end of the backrest adjusting handle 67 is connected at the central position of the rotating wheel 73, the middle part of the backrest adjusting handle 67 is provided with a connecting mechanism for adjusting the backrest adjusting handleAnd a second return spring 75 which automatically returns after the hand 67 is operated. In this embodiment, in order to make each part of first regulating part 65 operate rationality improve, also for the convenience the utility model discloses a debugging work, because link gear's installation, need coordinate the motion of each part to make the action of the spacing axle 69 realization locking of back and unblock, and how in the space of settlement, each part of reasonable layout link gear, and make link gear can adjust the regulation action of handle control back through the back, become the technical problem that this position urgently needed to be solved, consequently propose following scheme: the rotation angle of the pull-down action of the backrest adjustment handle 67 is α, the rotation angles of the corresponding driving rotation wheel 73 and the swing arm 72 are both α, and the distance between the center position of the rotation wheel 73 and the eccentric position of the connection of the swing arm 72 is L₁The length of the swing arm 72 is L₂The length of the moving rod 71 is L₃The movement stroke of the backrest limit shaft 69 from the locked state to the unlocked state is L₄When the backrest limit shaft 69 is in the locked state, the distance between the backrest limit shaft 69 and the center of the rotating wheel 73 is L₅At this time, an included angle between a connecting line of the backrest limit shaft 69 and the center position of the rotating wheel 73 and the movement direction of the backrest limit shaft 69 is beta; when the backrest limit shaft 69 is in a locked state, the distance between the backrest limit shaft 69 and the center position of the rotating wheel 73 is L for the linkage mechanism to act₆At this moment, the line that the spacing axle 69 of back put with the rotation wheel 73 central point and the contained angle between the spacing axle 69 moving direction of back are gamma, and when locking state, it is parallel with the spacing axle 69 moving direction of back with the line that swing arm 72 connection between the eccentric position of rotation wheel 73 to rotate wheel 73 central point and put with the swing arm 73 central point, the utility model discloses when the design, at first set for the mounted position and the travel route of the spacing axle 69 of back according to the actual demand of seat to and the central point of rotation wheel 73 puts, thereby confirm L₄、L₅、L₆Values of β and γ;

and a distance L between a center position of the rotary wheel 73 and an eccentric position where the swing arm 72 is connected₁The value range is as follows: l is₆cosγ≤NL₁≤L₅cos beta, wherein N is a proportionality coefficient, and is within a range of 3-4;

length of swing arm 72Degree L₂The value range is as follows:

L₆cosγ≤M L₂≤L₅cos beta, wherein M is a proportionality coefficient and is within a range of 3-4;

length L of travel bar 71₃The value range is as follows:

L₆cosγ≤X L₃≤L₅cos beta, wherein X is a proportionality coefficient and is within a range of 2-3;

the structural relationship of the components of the linkage mechanism is as follows: l is₁1- cosα+L₂1- sinα= L₄；

After the values of the components are designed, in order to enable the backrest limit shaft 69 to realize switching actions in the locking state and the unlocking state, the structural relationship of the components of the linkage mechanism action is set to be verified as follows: l is₁+ L₂≤L₃；L₁ sinβ+ L₃sinβ＜L₅ ；L₁cosβ+ L₃ cosβ＜L₅ sinβ；L₁ sinγ+ L₃ sinγ＜L₆ ；L₁cosγ+ L₃ cosγ＜L₅sin γ, the above relationships are satisfied simultaneously.

After calculation and verification through the above calculation formula and verification formula, the staff can quickly determine the size and installation layout of each part of the linkage mechanism, repeated test and debugging work is not needed, the debugging cost of the linkage mechanism is greatly reduced, after the size of each part is determined, part processing is directly carried out, then installation is carried out according to the installation layout requirement, the flexibility of installation is also very high, repeated correction treatment is not needed in the installation process, the difficulty of installation is reduced, and the production and installation cost is also reduced.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a novel multifunctional chair, includes chair foot (1), installs seat support (2) on chair foot (1) and sets up back (3) at seat support (2) back, its characterized in that: two sides that can overturn and adjust the inclination are symmetrically arranged on the left side and the right side of the seat (2) and lean against (4), the sides lean against (4) and the seat (2) are connected through a first adjusting part (5), the first adjusting part (5) at least comprises a first adjusting gear that adjusts the sides to be close to the right angle state with the seat (2) and a second adjusting gear that adjusts the sides to be close to the flat angle state with the seat (2) by (4), and the two sides lean against (4) and can be adjusted by the first adjusting part (5) alone.

2. The novel multifunctional seat as claimed in claim 1, wherein: the backrest (3) is connected with the seat (2) through a second adjusting part (6), and the second adjusting part (6) is installed at the back of the backrest (3) and the bottom of the seat (2).

3. The novel multifunctional seat as claimed in claim 2, wherein: the backrest inclination angle adjusting mechanism (61) is used for adjusting the inclination angle of the backrest (3) in the second adjusting part (6), and the backrest inclination angle adjusting mechanism (61) at least comprises a third adjusting gear for adjusting the backrest (3) to be vertical to the seat (2) and a fourth adjusting gear for adjusting the backrest (3) to be parallel to the seat (2).

4. The novel multifunctional seat as claimed in any one of claims 2 or 3, wherein: the backrest height adjusting mechanism comprises a backrest height adjusting structure (62) used for adjusting the height of the backrest (3) and arranged in the second adjusting part (6), and the backrest height adjusting structure (62) at least comprises two height adjusting gears used for adjusting the backrest (3) to two upper and lower different height positions.

5. The novel multifunctional seat as claimed in any one of claims 2 or 3, wherein: the second adjusting part (6) comprises a backrest front-back adjusting structure (63) for performing front-back movement adjustment on the backrest (3), and the backrest front-back adjusting structure (63) at least comprises two front-back distance adjusting gears for adjusting the backrest (3) to be different from the seat (2) in front-back distance.

6. The novel multifunctional seat as claimed in claim 1, wherein: the first adjusting component (5) also comprises a plurality of side rest middle gears which adjust the side rest (4) to different inclination angles between a right angle and a straight angle with the seat (2).

7. The novel multifunctional seat as claimed in claim 3, wherein: the backrest inclination angle adjusting structure (61) also comprises a plurality of backrest middle gears which adjust the backrest (3) to different inclination angle states between the vertical and parallel states with the seat (2).

8. The novel multifunctional seat as claimed in claim 1, wherein: an air rod for adjusting the height and the rotation direction of the seat is arranged in the chair leg (1).