CN211961510U

CN211961510U - Sofa with adjustable armrest

Info

Publication number: CN211961510U
Application number: CN202020322327.1U
Authority: CN
Inventors: 杨诗俊
Original assignee: Shanghai Nihan Trading Co ltd
Current assignee: Shanghai Nihan Trading Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-20
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a sofa with adjustable handrail, including the sofa body, the both sides outer wall of sofa body all is provided with the cardboard, the rectangular channel has all been seted up to the both sides of sofa body top outer wall, and the inner wall of two rectangular channels all is provided with handrail mechanism, one side of sofa body top outer wall has the back through the bolt fastening, handrail mechanism includes the slip case, the both sides inner wall of rectangular channel all passes through the bolt fastening and has the slide rail, and slip case sliding connection on the slide rail, rectangular channel bottom inner wall passes through the bolt fastening and has buffer gear, slip case top outer wall passes through the bolt fastening and has the handrail, the both sides inner wall of rectangular channel all has the rack through the bolt fastening. The utility model discloses a slide rail in the handrail mechanism makes things convenient for the lift of slip case, and then conveniently adjusts the height of handrail, sets up the cooperation between gear and the clamping jaw again in the slip incasement, and the convenience is carried on spacingly through cooperation help slip case between gear, rack and the pawl.

Description

Sofa with adjustable armrest

Technical Field

The utility model relates to a sofa technical field especially relates to a sofa with adjustable handrail.

Background

The "sofa" is a foreign word, which is transliterated according to the English word sofa. Is a multi-seat chair with soft cushions. The back-rest chair with spring or thick foamed plastic has armrests on two sides and is one kind of soft furniture. The origin of the sofa dates back to the ancient egypt of about 2000 b.c. but the soft package sofa with the real meaning appears from the end of the sixteen century to the beginning of the seventeen century.

Most of the existing sofas are of integrated structures, the sofas cannot be adjusted, and the heights of the sofa armrests are different for different people.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sofa with adjustable armrests.

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

the utility model provides a sofa with adjustable handrail, includes the sofa body, the both sides outer wall of sofa body all is provided with the cardboard, the rectangular channel has all been seted up to the both sides of sofa body top outer wall, and the inner wall of two rectangular channels all is provided with handrail mechanism, one side of sofa body top outer wall has the back through the bolt fastening, handrail mechanism includes the slip case, the both sides inner wall of rectangular channel all has the slide rail through the bolt fastening, and slip case sliding connection on the slide rail, rectangular channel bottom inner wall has buffer gear through the bolt fastening, slip case top outer wall has the handrail through the bolt fastening, the both sides inner wall of rectangular channel all has the rack through the bolt fastening, the opening has all been seted up to the both sides outer wall of slip case, and two open-ended both sides inner walls all have the gear through the bolt fastening.

Preferably, the inner wall of the top of the sliding box is fixedly provided with an installation rod through a bolt, and the positioning outer wall of the installation rod is sleeved with a sleeve.

Preferably, the outer wall of installation pole has cup jointed first spring, and sheathed tube both sides outer wall all fixed connection has the stay cord.

Preferably, the inner walls of the two sides of the sliding box are fixed with rotary tables through bearings, the transmission shaft of each rotary table is sleeved with a volute spiral spring, and the outer walls of the rotary tables are fixed with pawls through bolts.

Preferably, the pawl and the gear are meshed with each other, and one end of each of the two pull ropes is fixed to the two rotating discs through bolts.

Preferably, the buffer mechanism comprises a mounting seat, and a mounting groove is formed in the outer wall of the top of the mounting seat.

Preferably, the inner walls of the two sides of the mounting groove are connected with a buffer plate in a sliding mode, and a second spring is fixed between the buffer plate and the inner wall of the bottom of the mounting groove through bolts.

The utility model has the advantages that:

this sofa with adjustable handrail through this internal handrail mechanism that sets up of sofa, through the lift of the convenient slip case of slide rail in the handrail mechanism, and then conveniently adjusts the height of handrail, sets up the cooperation between gear and the clamping jaw again in the slip incasement, conveniently cooperates the help slip case to carry on spacingly between gear, rack and the pawl, prevents through buffer gear's setting that the slip case suffers the damage.

Drawings

Fig. 1 is a schematic side view of a sofa with adjustable armrests according to the present invention;

fig. 2 is a schematic sectional view of a sofa body of the sofa with adjustable armrests provided by the present invention;

fig. 3 is a schematic sectional view of a sliding box of the sofa with adjustable armrests provided by the present invention;

fig. 4 is a schematic structural view of a buffering mechanism of a sofa with adjustable armrests provided by the present invention.

In the figure: the sofa comprises a sofa body 1, a clamping plate 2, a backrest 3, an armrest mechanism 4, a sliding box 5, an armrest 6, a buffer mechanism 7, a sleeve 8, a sliding rail 9, a rack 10, a gear 11, a first spring 12, a mounting rod 13, a pull rope 14, a rotary table 15, a pawl 16, a mounting seat 17, a second spring 18 and a buffer plate 19.

Detailed Description

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

Referring to fig. 1-4, a handrail-adjustable sofa comprises a sofa body 1, wherein two side outer walls of the sofa body 1 are respectively provided with a clamping plate 2, two sides of the top outer wall of the sofa body 1 are respectively provided with a rectangular groove, the inner walls of the two rectangular grooves are respectively provided with a handrail mechanism 4, one side of the top outer wall of the sofa body 1 is fixed with a backrest 3 through a bolt, the handrail mechanism 4 comprises a sliding box 5, two side inner walls of the rectangular grooves are respectively fixed with a sliding rail 9 through a bolt, the sliding box 5 is slidably connected on the sliding rail 9, the inner wall of the bottom of the rectangular groove is fixed with a buffer mechanism 7 through a bolt, the outer wall of the top of the sliding box 5 is fixed with a handrail 6 through a bolt, two side inner walls of the rectangular groove are respectively fixed with a rack 10 through a bolt, two side outer walls of the sliding box 5 are respectively provided with an opening, the two side inner walls of the, and installation pole 13 location outer wall has cup jointed sleeve pipe 8, first spring 12 has been cup jointed to the outer wall of installation pole 13, and the both sides outer wall of sleeve pipe 8 all is fixed with stay cord 14, the both sides inner wall of sliding box 5 all is fixed with carousel 15 through the bearing, and the epaxial spiral spring that has cup jointed of transmission of carousel 15, the outer wall of two carousel 15 all has pawl 16 through the bolt fastening,

pawl

16 and 11 intermeshing of gear, the one end of two stay cords 14 is respectively through the bolt fastening on two carousel 15, buffer gear 7 includes mount pad 17, and mount pad 17 top outer wall has seted up the mounting groove, the both sides inner wall sliding connection of mounting groove has buffer board 19, and there is second spring 18 through the bolt fastening between buffer board 19 and the mounting groove bottom inner wall.

The working principle is as follows: during the use, stir sleeve pipe 8 upwards, and then through two carousels 15 of stay cord 14 pulling, extract pawl 16 from gear 11 during two carousel 15 rotate, thereby realize the unblock of gear 11, at this moment with handrail 6 pull-up or push down all can adjust the height of handrail 6, adjust suitable height while opening sleeve pipe 8, sleeve pipe 8 restores the normal position under the effect of first spring, pawl 16 is spacing in locking gear 11 completion under volute spring's effect, buffer gear 7 prevents that slide box 5 gliding force is too big to lead to slide box 5 to damage.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sofa with the adjustable armrests comprises a sofa body (1) and is characterized in that clamping plates (2) are arranged on the outer walls of two sides of the sofa body (1), rectangular grooves are formed in two sides of the outer wall of the top of the sofa body (1), armrest mechanisms (4) are arranged on the inner walls of the two rectangular grooves, a backrest (3) is fixedly connected to one side of the outer wall of the top of the sofa body (1), each armrest mechanism (4) comprises a sliding box (5), the inner walls of two sides of each rectangular groove are fixedly connected with sliding rails (9) through bolts, the sliding boxes (5) are connected onto the sliding rails (9) in a sliding mode, a buffer mechanism (7) is fixedly connected to the inner walls of the bottoms of the rectangular grooves, armrests (6) are fixedly connected to the outer wall of the top of the sliding box (5), racks (10) are fixedly connected to the inner walls of two sides of each rectangular groove, and the inner walls of the two sides of the two openings are fixedly connected with gears (11).

2. The sofa with adjustable armrests according to claim 1, wherein the inner wall of the top of the sliding box (5) is fixedly connected with a mounting rod (13), and the positioning outer wall of the mounting rod (13) is sleeved with a sleeve (8).

3. The sofa with adjustable armrests according to claim 2, wherein the outer wall of the mounting rod (13) is sleeved with a first spring (12), and the outer walls of both sides of the sleeve (8) are fixedly connected with pull ropes (14).

4. The sofa with adjustable armrests according to claim 3, wherein the inner walls of the two sides of the sliding box (5) are fixed with rotating discs (15) through bearings, the transmission shaft of the rotating discs (15) is sleeved with a volute spiral spring, and the outer walls of the two rotating discs (15) are fixedly connected with pawls (16).

5. The sofa with adjustable armrests according to claim 4, wherein the pawl (16) and the gear (11) are engaged with each other, and one end of each of the two pull ropes (14) is fixedly connected to each of the two turntables (15).

6. The sofa with adjustable armrests of claim 5, wherein the buffer mechanism (7) comprises a mounting seat (17), and the outer wall of the top of the mounting seat (17) is provided with a mounting groove.

7. The sofa with adjustable armrests as claimed in claim 6, wherein the inner walls of the two sides of the installation groove are slidably connected with a buffer plate (19), and a second spring (18) is fixedly connected between the buffer plate (19) and the inner wall of the bottom of the installation groove.