CN212368663U

CN212368663U - Sofa capable of adjusting angle of backrest

Info

Publication number: CN212368663U
Application number: CN202020547812.9U
Authority: CN
Inventors: 李金朋
Original assignee: Jinjiang White Swan Furniture Manufacturing Co ltd
Current assignee: Jinjiang White Swan Furniture Manufacturing Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-01-19
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a sofa of regulation back angle belongs to furniture technical field, including base, back and handrail, rotate through the pivot between base and the back and be connected, the spout along back length direction is seted up to the side of back, is provided with the locating part of spacing slip in the spout on the handrail, and the handrail passes through coupling assembling and the spacing slip of base, is provided with the locating component who is used for fixing a position the handrail position in the handrail of one side. The utility model discloses a sofa of regulation back angle is through the position of removing the handrail for the locating part is spacing to slide in the spout, changes the stress point of locating part and back, makes the angle of back change, and the user can go to change the back angle according to the demand of oneself, makes back laminating back, improves the travelling comfort of sitting on sofa.

Description

Sofa capable of adjusting angle of backrest

Technical Field

The utility model relates to the technical field of furniture, specifically a sofa of regulation back angle.

Background

A sofa is a multi-seat chair with soft cushion, a backrest chair with spring or thick foam plastics, etc., and armrests are arranged on two sides.

Most of the existing backrests and sofa bodies are fixedly connected and cannot be adjusted in angle, so that when a user lies on the backrest of the sofa, the back needs to be consistent with the angle of the backrest to obtain a large contact area, sufficient support is provided for the backrest, and discomfort can be caused by the fact that the backrest is fixed in angle after the user leans on the backrest for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem among the prior art, and the sofa of an adjust back angle that proposes for through the position of removing the handrail, make the locating part spacing slip in the spout, change the stress point of locating part and back, make the angle of back change, the user can remove to change the back angle according to the demand of oneself, makes back laminating back, improves the travelling comfort of sitting on the sofa.

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

the utility model provides an adjust sofa of back angle, includes base, back and handrail, rotate through the pivot between base and the back and be connected, the spout along back length direction is seted up to the side of back, be provided with the locating part of spacing slip in the spout on the handrail, the handrail passes through coupling assembling and the spacing slip of base, one side be provided with the locating component who is used for fixing a position the handrail position in the handrail.

Through adopting above-mentioned technical scheme, when needs adjust the back angle, remove the handrail through locating component's drive down for the handrail is along the base towards the spacing slip of one side of back, makes the handrail promote the locating part and slides along the spout, can change the angle between back and the handrail like this, thereby realizes the regulation of back angle, and the user can remove to change the back angle according to the demand of oneself, makes back laminating back, improves the travelling comfort of sitting on the sofa.

The utility model discloses further set up to: coupling assembling includes the slide rail and the gliding slider of spacing on the slide rail, slider and slide rail respectively with handrail and base fixed connection.

Through adopting above-mentioned technical scheme for the handrail can move along the slide rail, the moving direction of restriction handrail, thereby utilize the cooperation of spout and locating part to change the angle of back.

The utility model discloses further set up to: the two ends of the slide rail, which are far away from each other, are provided with limiting seats.

Through adopting above-mentioned technical scheme, the sliding distance of handrail can be restricted to spacing seat, and then the adjustable angle of restriction back avoids excessively adjusting to lead to the sofa to damage.

The utility model discloses further set up to: the seat is provided with a shell, the shell is positioned on one side, away from the backrest, of the armrest, and the armrest is sleeved in the shell and slides in a limiting mode with the shell.

Through adopting above-mentioned technical scheme for when back angle modulation to extreme position, the handrail is located the casing, avoids back angle modulation back handrail position to change, thereby leads to locating component to expose, avoids the foreign matter to influence locating component and adjusts the back angle.

The utility model discloses further set up to: the positioning assembly comprises a screw and two limiting blocks, the screw sequentially penetrates through a limiting seat, a handrail and a shell, the limiting seat is close to one side of the shell, the screw is in threaded connection with the handrail, the limiting blocks are fixedly connected to the screw and connected with the limiting seat in a two-way mode, and the limiting blocks are in butt joint with the limiting seat, and a knob used for rotating the screw is arranged on the screw.

Through adopting above-mentioned technical scheme, the screw rod can only rotate on casing and spacing seat because under the butt of stopper and knob, and when the screw rod rotated, the handrail can carry out spacing slip along the direction of slide rail because of the effect of screw thread drives the handrail down to the cooperation that utilizes locating part and spout makes the back rotate, changes the back angle.

The utility model discloses further set up to: the connecting rod is arranged on the rotating shaft and fixedly connected with the rotating shaft, the check block is fixedly connected with the base, and an elastic part is arranged between the check block and the connecting rod.

Through adopting above-mentioned technical scheme, when the back angle was adjusted to the slope, the distance between connecting rod and the dog can reduce, and then extrudees the elastic component, utilizes the elasticity of elastic component to reduce the power that handrail department received, avoids the too big power increase that leads to rotating the screw rod of handrail atress to it is laborsaving when making the regulation back angle.

The utility model discloses further set up to: the elastic part comprises a fixing ring and a spring, the fixing ring is fixedly connected with the connecting rod, the fixing ring penetrates through the stop block and rotates in a limiting mode with the stop block, the spring is sleeved in the fixing ring, two ends, far away from each other, of the spring are respectively abutted against the stop block and the connecting rod, and the spring is located on one side, far away from the handrail, of the stop block and the connecting rod.

Through adopting above-mentioned technical scheme, when the back was adjusted to the slope, the spring can receive the extrusion along solid fixed ring's annular direction, and deformation through the spring absorbs pressure, reduces the power that the handrail received the back.

The utility model discloses further set up to: the surface of base, back and handrail is including wearing layer, elastic layer and antibacterial layer from outside to inside in proper order.

By adopting the technical scheme, the antibacterial property, the elasticity and the wear resistance of the surface of the sofa can be improved, the service life of the sofa is prolonged, and the comfort in use is improved.

To sum up, the utility model discloses following beneficial effect has: when the angle of back is adjusted to needs, rotate the knob, the handrail can remove along the slide rail because under the effect of screw thread for the position of locating part takes place to remove, and the back can utilize the pivot to rotate because of the cooperation of spout and locating part, and then changes the angle of back, and the user can remove according to the demand of oneself and change the back angle, makes back laminating back, improves the travelling comfort of sitting on the sofa.

Drawings

Fig. 1 is a schematic structural view of a sofa for adjusting the angle of a backrest according to the present invention;

FIG. 2 is a schematic structural diagram of the positioning assembly of the present invention, which mainly shows that the backrest angle is not adjusted;

FIG. 3 is a schematic structural diagram II of the positioning assembly of the present invention, which mainly shows the adjustment of the backrest angle;

FIG. 4 is a schematic structural view of the wear-resistant layer, the elastic layer and the antibacterial layer of the present invention;

FIG. 5 is a schematic structural view of the rotating shaft of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5.

In the figure: 1. a base; 2. a handrail; 3. a backrest; 4. a wear layer; 5. an elastic layer; 6. a bacteriostatic layer; 7. a chute; 8. a limiting member; 9. a housing; 10. a slide rail; 11. a slider; 12. a limiting seat; 13. a screw; 14. a limiting block; 15. a knob; 16. a connecting rod; 17. a rotating shaft; 18. a fixing ring; 19. a spring; 20. and a stop block.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention.

A sofa capable of adjusting backrest angle is disclosed, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, comprising a base 1, a backrest 3 and a handrail 2, wherein the surfaces of the base 1, the backrest 3 and the handrail 2 sequentially comprise a wear-resistant layer 4, a silica gel layer and an antibacterial layer 6 from outside to inside, the wear-resistant layer 4 is made of polyester material, an elastic layer 5 is made of silica gel, and the antibacterial layer 6 is made of bamboo fiber material, so that the antibacterial property, elasticity and wear resistance of the surface of the sofa can be increased, the service life of the sofa and the comfort in use are improved, wherein the base 1 is rotatably connected with the backrest 3 through a rotating shaft 17, a sliding groove 7 along the length direction of the backrest 3 is arranged on the side edge of the backrest 3, a limiting part 8 which is limited to slide in the sliding groove 7 is arranged on the handrail 2, wherein the handrail 2 is limited to slide on the base 1 through a connecting component, wherein a shell 9, the shell 9 is positioned on one side of the armrest 2, which is far away from the backrest 3, the armrest 2 is sleeved in the shell 9 and slides in a limiting manner with the shell 9, so that when the angle of the backrest 3 is adjusted to the maximum, the armrest 2 is positioned in the shell 9, and the situation that the position of the armrest 2 is changed after the angle of the backrest 3 is adjusted to cause the exposure of the positioning component is avoided, thereby preventing foreign matters from influencing the positioning component to drive the armrest 2 to move is avoided, wherein the positioning component comprises a slide rail 10 and a slide block 11 sliding in a limiting manner on the slide rail 10, the slide block 11 and the slide rail 10 are respectively fixedly connected with the armrest 2 and the base 1, wherein two ends of the slide rail 10, which are far away from each other, are respectively provided with a limiting seat 12, the limiting seats 12 can limit the sliding distance of the armrest 2, further limit the adjustable angle of the backrest 3, and, the positioning component comprises a screw 13 and two limit blocks 14, the screw 13 sequentially penetrates through the limit seat 12 close to one side of the shell 9, the handrail 2 and the shell 9, the screw 13 is in threaded connection with the handrail 2, wherein two stopper 14 fixed connection are on screw rod 13, and two stopper 14 and spacing seat 12 looks butt, be provided with the knob 15 that is used for rotating screw rod 13 on the screw rod 13, screw rod 13 can only rotate on casing 9 and spacing seat 12 because under stopper 14 and knob 15's butt, the user makes screw rod 13 rotate through knob 15, handrail 2 can carry out spacing slip along slide rail 10 because of the effect of screw thread, the cooperation that utilizes locating part 8 and spout 7 makes back 3 rotate, change 3 angles of back, the user can be according to the demand of oneself and change 3 angles of back, make back 3 laminating backs, improve the travelling comfort of sitting on the sofa.

As shown in fig. 5 and 6, a connecting rod 16 is disposed on the rotating shaft 17, the connecting rod 16 is fixedly connected with the rotating shaft 17, a stopper 20 is fixedly connected to the base 1, and an elastic member is disposed between the stopper 20 and the connecting rod 16, wherein the elastic member includes a fixing ring 18 and a spring 19, the fixing ring 18 is fixedly connected with the connecting rod 16, the fixing ring 18 penetrates through the stopper 20 and rotates with the stopper 20 in a limited manner, the spring 19 is sleeved in the fixing ring 18, two ends of the spring 19, which are away from each other, are respectively abutted against the stopper 20 and the connecting rod 16, and the spring 19 is located on a side of the stopper 20 and the connecting rod 16, which is away from the armrest 2, when the backrest 3 is adjusted to be inclined, the spring 19 is pressed by the stopper 20 and the connecting rod 16 along the annular direction of the fixing ring 18, and absorbs pressure through deformation of the spring 19, so as to reduce the force, thereby saving labor when adjusting the angle of the backrest 3.

When 3 angles of back are adjusted to needs, rotate knob 15 for screw rod 13 rotates, handrail 2 can be along the spacing slip of slide rail 10 under the effect of screw thread, make the position that locating part 8 is located spout 7 change, thereby back 3 can change the angle because the stress point between and locating part 8 changes, the user can remove to change back 3 angles according to the demand of oneself, make back 3 laminating back, improve the travelling comfort of sitting on the sofa.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an adjust sofa of back angle, includes base (1), back (3) and handrail (2), its characterized in that: rotate through pivot (17) between base (1) and back (3) and be connected, spout (7) along back (3) length direction are seted up to the side of back (3), be provided with spacing locating part (8) of sliding in spout (7) on handrail (2), handrail (2) are through coupling assembling and the spacing slip of base (1), one side be provided with the locating component who is used for fixing a position handrail (2) position in handrail (2).

2. The sofa of claim 1, wherein the backrest angle is adjustable by: coupling assembling includes slide rail (10) and spacing gliding slider (11) on slide rail (10), slider (11) and slide rail (10) respectively with handrail (2) and base (1) fixed connection.

3. The sofa of claim 2, wherein the backrest angle is adjustable by: and limiting seats (12) are arranged at two ends of the sliding rail (10) far away from each other.

4. A sofa for adjusting backrest angle according to claim 3, wherein: the seat is characterized in that a shell (9) is arranged on the base (1), the shell (9) is located on one side, deviating from the backrest (3), of the handrail (2), and the handrail (2) is sleeved in the shell (9) and slides in a limiting mode with the shell (9).

5. The sofa of claim 4, wherein the backrest angle is adjustable by: the positioning assembly comprises a screw rod (13) and two limiting blocks (14), the screw rod (13) sequentially penetrates through a limiting seat (12), a handrail (2) and a shell (9) which are close to one side of the shell (9), the screw rod (13) is in threaded connection with the handrail (2), the two limiting blocks (14) are fixedly connected onto the screw rod (13), the two limiting blocks (14) are in butt joint with the limiting seats (12), and a knob (15) used for rotating the screw rod (13) is arranged on the screw rod (13).

6. The sofa of claim 1, wherein the backrest angle is adjustable by: the connecting rod (16) is arranged on the rotating shaft (17), the connecting rod (16) is fixedly connected with the rotating shaft (17), a check block (20) is fixedly connected to the base (1), and an elastic piece is arranged between the check block (20) and the connecting rod (16).

7. The sofa of claim 6, wherein the backrest angle is adjustable by: the elastic component comprises a fixing ring (18) and a spring (19), the fixing ring (18) is fixedly connected with a connecting rod (16), the fixing ring (18) penetrates through a stop block (20) and rotates in a limiting mode with the stop block (20), the spring (19) is sleeved in the fixing ring (18), two ends, far away from each other, of the spring (19) are respectively abutted against the stop block (20) and the connecting rod (16), and the spring (19) is located on one side, away from the handrail (2), of the stop block (20) and the connecting rod (16).

8. The sofa of claim 1, wherein the backrest angle is adjustable by: the surface of base (1), back (3) and handrail (2) is including wearing layer (4), elastic layer (5) and antibacterial layer (6) from outside to inside in proper order.