CN220757009U

CN220757009U - Sofa widening device

Info

Publication number: CN220757009U
Application number: CN202322429090.3U
Authority: CN
Inventors: 薛靓文
Original assignee: Hangzhou Trillion Import And Export Co ltd
Current assignee: Hangzhou Trillion Import And Export Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-12
Anticipated expiration: 2033-09-07

Abstract

The sofa widening device comprises a main body and armrests arranged on two sides of the main body, wherein a widening mechanism for widening the armrests is arranged between the armrests on two sides, the widening mechanism comprises a base and a frame arranged on the base, widening components for increasing the distance between the armrests oppositely arranged are arranged on two sides of the frame, and the widening components are hinged or spliced or detachably connected to two sides of the frame; compared with the prior art, through articulated or grafting or detachable widening the subassembly in the frame both sides, realize widening the installation of subassembly under the effect that does not change frame construction, in the follow-up maintenance in-process, only need change widening subassembly or general type frame and can realize the maintenance to the seat, under widening the effect of subassembly simultaneously, realized the interval adjustment between the handrail to realized the width adjustment to the sofa, and then made the sofa can satisfy the user's of different sizes needs, improved the comfort level of sofa.

Description

Sofa widening device

Technical Field

The utility model relates to the technical field of sofas, in particular to a sofa widening device.

Background

Sofa is typically composed of a seat cushion, a back rest and armrests to provide a comfortable sitting position. Sofa often come in different sizes, shapes and styles to meet the needs and preferences of different people. They may be made of various materials, such as cloth, leather or artificial leather. The sofa plays an important role in home decoration, not only provides comfortable seats, but also can add aesthetic feeling and style of space. The width of the single sofa on the market is constant at present, and for people with relatively large body types, the single sofa is too crowded, so that uncomfortable situations are easy to occur for users.

In order to solve the above problems, chinese patent application No. 202011389217.8 discloses a seat with a stretchable width, wherein the lower end of a backrest is connected with the rear ends of seat plates (9), two rear faces of the backrest are respectively provided with a pull plate adjusting block (20), the inner ends or the near outer ends of two pull plates (1) respectively penetrating through the two pull plate adjusting blocks are locked by a positioning pin (23), the outer ends of the two pull plates are respectively connected with the rear ends of two armrests (2), the front and rear lower parts of each armrest are connected with the upper ends of two supporting legs (16), square tubes (6) are arranged between the upper parts of the two supporting legs, the inner sides of the two square tubes are respectively provided with more than two width adjusting tubes (7) at intervals, the inner sides of the width adjusting tubes of the two square tubes are respectively movably inserted into round holes (13) arranged on two side faces of a square frame (10) at the lower part of the seat plates, and the two widening plates (24) are respectively erected between the armrests and the upper parts of the two sides of the seat plates after being combined; the utility model utilizes the width adjusting pipe at the lower part of the external pulling handrail to place the widening plate, thereby achieving the purpose of stretching the width of the seat.

In the prior art disclosed in the above, special designs need to be carried out to seat board and handrail, for example need set up on the seat board with the round hole of width adjustment pipe looks adaptation, just can realize the installation to the width adjustment pipe, this just has influenced the structural strength of whole seat board, and seat board and handrail that have special structure are relatively poor in follow-up maintenance simultaneously, influence the later maintenance of seat.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the sofa widening device which is high in strength and convenient for subsequent maintenance.

In order to achieve the above object, the present utility model adopts the following technical scheme: the utility model provides a sofa widening device, includes the main part and sets up the handrail in the main part both sides, both sides be equipped with the widening mechanism that is used for widening the handrail between the handrail, widening mechanism includes the base and sets up the frame on the base, and the frame both sides are equipped with the widening subassembly that is used for increasing the interval between the relative handrail that sets up, and widening subassembly articulates or pegging graft or detachable connection in the frame both sides.

As a preferred embodiment of the present utility model, the widening assembly includes a support member hinged to both sides of the frame, and the support member is connected to the armrest.

As a preferable scheme of the utility model, the frame is provided with a connecting piece for overturning the supporting piece, and the connecting piece comprises a first connecting piece and a second connecting piece which are hinged; the second connecting piece is provided with a chute, and the first connecting piece is provided with a supporting rod which is in sliding connection with the chute.

As a preferable scheme of the utility model, the frame is provided with a limiting piece for controlling the supporting piece, and a plurality of limiting teeth arranged along the length direction of the limiting piece are formed in the limiting piece.

As a preferable scheme of the utility model, a limiting rod which is connected with the supporting piece in a rotating way is connected in a sliding way in the limiting piece, and the limiting rod is matched with the limiting teeth.

As a preferred embodiment of the present utility model, the widening component includes a support member connected to both sides of the frame in a plug-in manner, and the support member is connected to the armrest.

As a preferable scheme of the utility model, the support piece is provided with the fixing piece connected with the handrail, the handrail is provided with the first plug-in piece connected with the fixing piece in a plug-in way, the frame is provided with the second plug-in piece, and the two sides of the support piece are provided with the fixing pieces connected with the first plug-in piece and the second plug-in piece in a plug-in way.

As a preferred embodiment of the present utility model, the widening assembly includes a support member detachably connected to both sides of the frame, and the support member is connected to the armrest.

As a preferable mode of the utility model, the supporting piece and the frame are respectively provided with corresponding bolt holes, and bolts for connecting the supporting piece and the frame are arranged in the bolt holes.

As a preferable scheme of the utility model, a damping piece for damping is arranged between the base and the frame, and a plurality of damping springs are arranged on the frame.

Compared with the prior art, the utility model has the beneficial effects that:

through articulated or grafting or detachable widening the subassembly in the frame both sides, realize widening the installation of subassembly under the effect that does not change frame construction, in the follow-up maintenance in-process, only need change widening subassembly or general type frame and can realize the maintenance to the seat, simultaneously under widening the effect of subassembly, realized adjusting the interval between the handrail to realized the width adjustment to the sofa, and then made the sofa can satisfy the needs of the user of different sizes, improved the comfort level of sofa.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the widened structure of the present utility model;

FIG. 3 is a schematic view of the structure of the widening mechanism;

FIG. 4 is a schematic structural view of a connector;

fig. 5 is a schematic structural view of the first embodiment;

fig. 6 is a schematic structural view of a second embodiment;

FIG. 7 is a schematic view of the structure of a third embodiment

Reference numerals: the armrest 101, the first plug 1011, the widening mechanism 2, the base 201, the frame 202, the damper spring 2021, the stopper 2022, the second plug 2023, the stopper teeth 2024, the widening unit 203, the support 2031, the bolt hole 2032, the bolt 2033, the stopper rod 2034, the fixing piece 2035, the damper 204, the connection piece 205, the first connection piece 2051, the second connection piece 2052, the chute 2053, and the support rod 2054.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 7, a sofa widening device comprises a main body 1 and armrests 101 arranged at two sides of the main body 1, a widening mechanism 2 for widening the armrests 101 is arranged between the armrests 101 at two sides, the widening mechanism 2 comprises a base 201 and a frame 202 arranged on the base 201, widening components 203 for increasing the distance between the armrests 101 oppositely arranged are arranged at two sides of the frame 202, and the widening components 203 are hinged or connected to two sides of the frame 202 in an inserting or detachable mode.

Further, two armrests 101 are oppositely arranged at two sides of the main body 1, the armrests 101 are in sliding connection with the main body 1, the widening mechanism 2 is arranged at the lower end of the armrests 101, and the widening mechanism 2 is connected with the armrests 101; the base 201 is placed horizontally on the ground, the frame 202 is fixedly arranged on the base 201, and the widening assembly 203 is connected with the armrest 101.

Be equipped with the shock attenuation piece 204 that is used for the shock attenuation between base 201 and the frame 202, and be equipped with a plurality of damping spring 2021 on the frame 202, further, the shock attenuation piece 204 sets up in the opposite both sides of frame 202, can absorb the pressure that the user produced to widening mechanism 2 through shock attenuation piece 204, and then alleviateed the atress of widening mechanism 2, avoid widening mechanism 2 because of the circumstances that fracture damage appears in the atress for a long time, a plurality of damping spring 2021 even equidistance set up at frame 202 upper surface simultaneously, can be further alleviateed the user to widening mechanism 2's pressure through damping spring 2021, and damping spring 2021 can also alleviate the hardness of sofa seat, and then improved the comfort level of sofa.

In practical use, embodiment one:

as shown in fig. 3 to 5, the widening unit 203 includes supporting members 2031 hinged to both sides of the frame 202, the supporting members 2031 are connected to the armrests 101, further, the supporting members 2031 are rotatably provided to both opposite sides of the frame 202, and when the sofa needs to be widened, only the supporting members 2031 need to be turned up to be in a horizontal state, and the turned supporting members 2031 are connected to the armrests 101, so that the distance between the two armrests 101 is widened.

The frame 202 is provided with a connecting piece 205 for turning over the supporting piece 2031, and the connecting piece 205 comprises a first connecting piece 2051 and a second connecting piece 2052 which are hinged; the second connecting piece 2052 is formed with a sliding groove 2053, and the first connecting piece 2051 is provided with a support rod 2054 slidably connected to the sliding groove 2053.

Further, the first connection piece 2051 is fixedly disposed at a corner of the frame 202, the second connection piece 2052 is rotatably disposed at an end of the first connection piece 2051, the sliding groove 2053 is disposed along a length direction of the second connection piece 2052, one end of the support rod 2054 is slidably connected in the sliding groove 2053, and the other end of the support rod 2054 is rotatably connected to the first connection piece 2051, and when the support piece 2031 is turned upward, the support rod 2054 slides in the sliding groove 2053 and supports the first connection piece 2051 and the second connection piece 2052.

The frame 202 is provided with a limiting part 2022 for controlling the supporting part 2031, a plurality of limiting teeth 2024 arranged along the length direction of the limiting part 2022 are formed in the limiting part 2022, a limiting rod 2034 rotationally connected with the supporting part 2031 is slidingly connected in the limiting part 2022, the limiting rod 2034 is matched with the limiting teeth 2024, further, the limiting part 2022 is rotationally connected to the frame 202, the limiting rod 2034 slides in the limiting part 2022, the end part of the limiting rod 2034 is rotationally connected with the supporting part 2031, when the supporting part 2031 is turned upwards, the limiting rod 2034 slides outwards of the limiting part 2022, and through the matched clamping of the limiting rod 2034 and the limiting teeth 2024 in the limiting part 2022, the limiting rod 2034 is prevented from moving inwards of the limiting part 2022, the supporting part 2031 is prevented from rotating downwards, and the limiting effect on the supporting part 2031 is achieved.

In the actual use process, embodiment two:

as shown in fig. 2 and 6, the widening unit 203 includes supporting members 2031 connected to both sides of the frame 202 in a plug-in manner, wherein the supporting members 2031 are connected to the armrests 101, and further, when the sofa needs to be widened, the supporting members 2031 are respectively plugged to both opposite sides of the frame 202, and the supporting members 2031 are connected to the armrests 101, thereby realizing the widening of the sofa.

The support 2031 is provided with a fixing member 2035 connected with the armrest 101, the armrest 101 is provided with a first plug member 1011 plug-in with the fixing member 2035, the frame 202 is provided with a second plug member 2023, and both sides of the support 2031 are provided with fixing members 2035 plug-in with the first plug member 1011 and the second plug member 2023.

Further, the fixing members 2035 are vertically disposed on opposite sides of the supporting member 2031, and the first inserting member 1011 disposed on the armrest 101 and the second inserting member 2023 disposed on the frame 202 are in one-to-one correspondence with the fixing members 2035 disposed on both sides of the supporting member 2031, so that when the sofa needs to be widened, the fixing members 2035 disposed on both sides of the supporting member 2031 are respectively inserted into the corresponding first inserting member 1011 and the second inserting member 2023 disposed on the armrest 101 and the frame 202, thereby further realizing the widening of the sofa.

In practical use, embodiment three:

as shown in fig. 7, the widening unit 203 includes supporting members 2031 detachably connected to both sides of the frame 202, the supporting members 2031 are connected to the armrests 101, and further, when the sofa needs to be widened, the supporting members 2031 are fixedly installed on opposite sides of the frame 202, and the supporting members 2031 are connected to the armrests 101, thereby realizing the widening of the sofa.

Corresponding bolt holes 2032 are formed in the support piece 2031 and the frame 202, bolts 2033 for connecting the support piece 2031 and the frame 202 are arranged in the bolt holes 2032, the support piece 2031 and the frame 202 are further connected and fixed through the bolts 2033, and meanwhile a fixing piece 2035 on the support piece 2031 is inserted into a first plug connector 1011 of the armrest, so that the sofa is widened.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more herein: the terms of the main body 1, the armrest 101, the first connector 1011, the widening mechanism 2, the base 201, the frame 202, the damper spring 2021, the stopper 2022, the second connector 2023, the stopper teeth 2024, the widening unit 203, the support 2031, the bolt holes 2032, the bolts 2033, the stopper rod 2034, the fixing member 2035, the damper 204, the connection member 205, the first connection member 2051, the second connection member 2052, the chute 2053, the support rod 2054, and the like are not excluded from the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides a sofa widening device, includes main part (1) and sets up handrail (101) in main part (1) both sides, its characterized in that, both sides be equipped with between handrail (101) and be used for widening mechanism (2) of handrail (101), widening mechanism (2) include base (201) and frame (202) of setting on base (201), frame (202) both sides are equipped with and are used for increasing widening subassembly (203) of setting up the interval between handrail (101) relatively, widening subassembly (203) articulated or grafting or detachable connection in frame (202) both sides.

2. A sofa widening device according to claim 1, characterized in that the widening assembly (203) comprises support members (2031) hinged to both sides of the frame (202), the support members (2031) being connected to the arm rest (101).

3. Sofa widening device according to claim 2, characterized in that said frame (202) is provided with a connection (205) for the overturning support (2031), the connection (205) comprising a first connection (2051) and a second connection (2052) hinged to each other; the second connecting piece (2052) is provided with a chute (2053), and the first connecting piece (2051) is provided with a supporting rod (2054) which is in sliding connection with the chute (2053).

4. A sofa widening device according to claim 3, characterized in that the frame (202) is provided with a limiting piece (2022) for controlling the supporting piece (2031), and a plurality of limiting teeth (2024) arranged along the length direction of the limiting piece (2022) are formed in the limiting piece (2022).

5. The sofa widening device according to claim 4, characterized in that the limiting piece (2022) is slidably connected with a limiting rod (2034) rotatably connected with the supporting piece (2031), and the limiting rod (2034) is matched with the limiting teeth (2024).

6. A sofa widening device according to claim 1, characterized in that the widening assembly (203) comprises support members (2031) connected to both sides of the frame (202), the support members (2031) being connected to the arm rest (101).

7. The sofa widening device according to claim 6, characterized in that the supporting member (2031) is provided with a fixing member (2035) connected with the armrest (101), the armrest (101) is provided with a first plug member (1011) connected with the fixing member (2035), the frame (202) is provided with a second plug member (2023), and both sides of the supporting member (2031) are provided with fixing members (2035) connected with the first plug member (1011) and the second plug member (2023).

8. A sofa widening device according to claim 1, characterized in that the widening assembly (203) comprises support members (2031) detachably connected to both sides of the frame (202), the support members (2031) being connected to the arm rest (101).

9. The sofa widening device according to claim 8, characterized in that the supporting member (2031) and the frame (202) are respectively formed with corresponding bolt holes (2032), and bolts (2033) for connecting the supporting member (2031) and the frame (202) are arranged in the bolt holes (2032).

10. Sofa widening device according to claim 1, characterized in that between the base (201) and the frame (202) damping elements (204) are arranged for damping and that the frame (202) is provided with damping springs (2021).