CN214048218U

CN214048218U - Portable folding sofa

Info

Publication number: CN214048218U
Application number: CN202120159262.8U
Authority: CN
Inventors: 罗志翔
Original assignee: Huizhou Shengluodan Furniture Co ltd
Current assignee: Huizhou Shengluodan Furniture Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-08-27
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to a sofa technical field discloses a portable folding sofa, including sofa base, sofa back, first sofa handrail, second sofa handrail, back regulating part and footing return the part of contracting, first sofa handrail and second sofa handrail interval are installed at sofa base's top, have seted up in the first sofa handrail and place the chamber, and outside first sofa handrail extended to the lateral wall of first sofa handrail was passed to back regulating part's one end, the other end of back regulating part passed sofa back and rotated with second sofa handrail and be connected, and the footing returns the part setting in sofa base, and sofa base's bottom interval is provided with a plurality of universal wheels. The utility model has the advantages that: the folding of the sofa backrest is completed by matching the backrest adjusting part with the sofa backrest, the bottom retraction part is matched with the universal wheels, the convenience of sofa transportation is improved, and the bottom of the sofa base is prevented from being rubbed with the ground in the transportation process.

Description

Portable folding sofa

Technical Field

The application relates to the technical field of sofas, in particular to a portable folding sofa.

Background

The sofa is one kind of soft furniture and is one chair with soft cushion and armrests on two sides. It originates in western countries and is then introduced into asia, becoming one of the key points in western decor or modern home design. The chair that the framework was made with timber or steel inside lining cotton fibre and other foam etc. is whole more comfortable, but the sofa is one of the great furniture of volume, and is too inconvenient when carrying the transportation, leads to the use comparatively troublesome, and the portable folding sofa that now needs to design is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a portable folding sofa, which comprises a sofa base, a sofa backrest, a first sofa armrest, a second sofa armrest, a backrest adjusting part and a bottom foot retracting part, the first sofa armrest and the second sofa armrest are arranged at the top of the sofa base at intervals, a placing cavity for placing the backrest adjusting part is arranged in the first sofa armrest, one end of the backrest adjusting part passes through the first sofa armrest and extends to the outside of the side wall of the first sofa armrest, the other end of the backrest adjusting part penetrates through the sofa backrest and is rotationally connected with a second sofa armrest, the bottom foot retracting part is arranged in the sofa base, and the bottom of the footing retraction component penetrates through the sofa base to extend, a plurality of universal wheels are arranged at the bottom of the sofa base at intervals, and the sofa base is provided with clamping grooves matched with the footing retraction component.

Further, back regulating part includes first dwang, second dwang, first knob, first gear and second gear interval set up and are placing the intracavity to first gear meshes with the second gear mutually, the one end and the first gear fixed connection of first dwang, the other end of first dwang passes first sofa handrail and sofa backrest in proper order and rotates with second sofa handrail to be connected, first dwang and sofa backrest fixed connection, the one end and the second gear fixed connection of second dwang, the other end of second dwang passes first sofa handrail and with first knob fixed connection, the second dwang rotates with first sofa handrail to be connected, set up in the first sofa handrail with second gear matched with gear groove.

Further, the footing retraction part comprises a second knob, a third rotating rod, a clamping component, two first bevel gears and four telescopic components, wherein the third rotating rod is horizontally arranged and rotates in the sofa base, one end of the third rotating rod penetrates through the sofa base and is fixedly connected with the second knob, two first bevel gears are sleeved on the third rotating rod at intervals, the clamping component is arranged on one side of the sofa base and is clamped and matched with the second knob, four telescopic components are symmetrically arranged on two sides of the third rotating rod in a pairwise mode and each telescopic component comprises a second bevel gear, a fourth rotating rod and a supporting foot, the fourth rotating rod is horizontally arranged and rotates in the sofa base, the fourth rotating rod and the third rotating rod are vertically arranged, and the second bevel gear is arranged at one end of the fourth rotating rod, and the second bevel gear meshes with corresponding first bevel gear mutually, the top of supporting legs is installed at the other end of fourth dwang to the bottom of supporting legs passes the sofa base and extends the setting.

Furthermore, the block subassembly includes fixed plate, slide bar, block piece, pull rod and reset spring, the fixed plate is installed in one side of sofa base, the one end and the block piece fixed connection of slide bar to the other end of slide bar passes fixed plate and pull rod fixed connection, block piece and the cooperation of second knob block, reset spring cover is established on the slide bar, and reset spring's both ends respectively with block piece and fixed plate fixed connection.

Furthermore, a first baffle is inserted into one side of the sofa base provided with the fixed plate, and a groove is formed in the first baffle.

Furthermore, a second baffle is arranged on the other side of the sofa base.

Furthermore, all offer the chamber that holds that is used for placing debris in first sofa handrail and the second sofa handrail to the top of first sofa handrail and second sofa handrail all articulates there is the apron.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

firstly, pulling a first knob to pull a second gear out of a gear groove, then rotating the first knob, driving a first rotating rod to rotate by the meshing of the second gear and the first gear, thereby driving a sofa backrest to rotate towards the sofa base by taking the axis of the first rotating rod as the center of a circle, enabling the sofa backrest to be overturned to be attached to the top of the sofa base, then inserting a second gear into the gear groove to prevent the sofa backrest from tilting and increasing the transportation difficulty in the transportation process, then pulling a first baffle plate out, pulling a pull rod to separate a clamping block from the second knob, then rotating a second knob to drive a third rotating rod to rotate, then driving four second bevel gears respectively engaged with the two first bevel gears to rotate by the two first bevel gears, thereby driving four supporting legs to rotate into the clamping groove by taking the axis of the fourth rotating rod as the center of a circle, enabling a plurality of universal wheels installed at the bottom of the sofa base to be abutted against the ground, the convenience of sofa transportation is improved, and then the pull rod pulled is loosened, so that the clamping block is clamped with the second knob again, the supporting legs are prevented from rubbing with the ground in the transportation process, and the transportation difficulty of the sofa is further reduced.

And secondly, a first baffle is inserted into one side of the fixing plate installed on the sofa base, and a groove is formed in the first baffle, so that legs cannot be pressed by parts such as a second knob when people sit on the sofa for rest in daily life, and the comfort of the sofa is improved.

Thirdly, the second baffle plate arranged on the other side of the sofa base prevents the sofa backrest from being carelessly overturned excessively, which may cause the body of people to overturn on the ground along with the overturn of the sofa backrest, and improves the protection of the sofa.

Fourthly, the accommodating cavities for accommodating sundries are formed in the first sofa armrest and the second sofa armrest, so that the practicability of the sofa is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of a first angle of the present invention;

fig. 2 is a schematic perspective view of a second angle of the present invention;

FIG. 3 is a schematic sectional view of a third angle of the present invention with a partial three-dimensional structure;

FIG. 4 is a schematic cross-sectional view of the sofa base and the bottom retraction member at a first angle in a partial three-dimensional configuration;

fig. 5 is a sectional view of the sofa base and the bottom leg retracting member at a second angle according to the present invention.

In the figure: the sofa base 1, the sofa backrest 2, the first sofa armrest 3, the second sofa armrest 4, the backrest adjusting part 5, the first rotating rod 51, the second rotating rod 52, the first knob 53, the first gear 54, the second gear 55, the gear groove 56, the foot retracting part 6, the second knob 61, the third rotating rod 62, the clamping component 63, the fixing plate 631, the sliding rod 632, the clamping block 633, the pull rod 634, the reset spring 635, the first umbrella tooth 64, the telescopic component 65, the second umbrella tooth 651, the fourth rotating rod 652, the supporting foot 653, the placing cavity 7, the universal wheel 8, the clamping groove 9, the first baffle plate 10, the groove 11, the second baffle plate 12, the accommodating cavity 13 and the cover plate 14.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

In this embodiment, as shown in fig. 1 to 5, a portable folding sofa comprises a sofa base 1, a sofa backrest 2, a first sofa armrest 3, a second sofa armrest 4, a backrest adjusting member 5 and a foot retracting member 6, wherein the first sofa armrest 3 and the second sofa armrest 4 are mounted at the top of the sofa base 1 at intervals, a placing cavity 7 for placing the backrest adjusting member 5 is formed in the first sofa armrest 3, one end of the backrest adjusting member 5 extends out of the side wall of the first sofa armrest 3 through the first sofa armrest 3, the other end of the backrest adjusting member 5 passes through the sofa backrest 2 and is rotatably connected with the second sofa armrest 4, the foot retracting member 6 is disposed in the sofa base 1, and the bottom end of the foot retracting member 6 extends through the sofa base 1, a plurality of universal wheels 8 are disposed at intervals at the bottom of the sofa base 1, the sofa base 1 is provided with a clamping groove 9 matched with the bottom foot retraction part 6.

Specifically, the backrest adjusting part 5 includes a first rotating rod 51, a second rotating rod 52, a first knob 53, a first gear 54 and a second gear 55, the first gear 54 and the second gear 55 are disposed in the placing cavity 7 at intervals, and the first gear 54 is engaged with the second gear 55, one end of the first rotating rod 51 is fixedly connected with the first gear 54, the other end of the first rotating rod 51 sequentially passes through the first sofa armrest 3 and the sofa backrest 2 and is rotatably connected with the second sofa armrest 4, the first rotating rod 51 is fixedly connected with the sofa backrest 2, one end of the second rotating rod 52 is fixedly connected with the second gear 55, the other end of the second rotating rod 52 passes through the first sofa armrest 3 and is fixedly connected with the first knob 53, the second rotating rod 52 is rotatably connected with the first sofa armrest 3, a gear groove 56 matched with the second gear 55 is formed in the first sofa armrest 3, when the sofa needs to be folded, the first knob 53 is pulled first, the second gear 55 is pulled out from the gear groove 56, then the first knob 53 is rotated, the first rotating rod 51 is driven to rotate by the engagement of the second gear 55 and the first gear 54, and then the sofa backrest 2 is driven to rotate towards the sofa base 1 by taking the axis of the first rotating rod 51 as the center of circle, so that the sofa backrest 2 is turned to be attached to the top of the sofa base 1, and then the second gear 55 is inserted into the gear groove 56, thereby preventing the sofa backrest 2 from tilting and increasing the transportation difficulty in the transportation process.

Specifically, the footing retraction part 6 includes a second knob 61, a third rotating rod 62, a clamping assembly 63, two first umbrella teeth 64 and four telescopic assemblies 65, the third rotating rod 62 is a horizontal rotation and is disposed in the sofa base 1, one end of the third rotating rod 62 passes through the sofa base 1 and is fixedly connected with the second knob 61, two first umbrella teeth 64 are sleeved on the third rotating rod 62 at intervals, the clamping assembly 63 is disposed on one side of the sofa base 1, and the clamping assembly 63 is in clamping fit with the second knob 61, four two-by-two set of symmetry of the telescopic assemblies 65 are disposed on two sides of the third rotating rod 62, each telescopic assembly 65 includes a second umbrella tooth 651, a fourth rotating rod 652 and a supporting foot 653, the fourth rotating rod 652 is a horizontal rotation and is disposed in the sofa base 1, and the fourth rotating rod 652 and the third rotating rod 62 are disposed vertically, second bevel gear 651 installs the one end at fourth dwang 652 to second bevel gear 651 meshes with corresponding first bevel gear 64 mutually, the other end at fourth dwang 652 is installed on the top of supporting legs 653, and the bottom of supporting legs 653 passes sofa base 1 and extends the setting, when the sofa needs to remove, through rotating second knob 61 and drive third dwang 62 and rotate, rethread two first bevel gears 64 drive four second bevel gears 651 with two first bevel gear 64 meshes respectively and rotate, then drive four supporting legs 653 and use the axis of fourth dwang 652 as the centre of a circle and rotate to the block groove 9 in, make a plurality of universal wheels 8 of sofa base 1 bottom installation contradict with ground, and then improved the convenient degree of sofa transportation.

Specifically, block subassembly 63 includes fixed plate 631, slide bar 632, block 633, pull rod 634 and reset spring 635, fixed plate 631 is installed in one side of sofa base 1, slide bar 632's one end and block 633 fixed connection to slide bar 632's the other end passes fixed plate 631 and pull rod 634 fixed connection, block 633 and the cooperation of second knob 61 block, reset spring 635 cover is established on slide bar 632 to reset spring 635's both ends respectively with block 633 and fixed plate 631 fixed connection, carry on spacingly through block 633 to second knob 61, prevent supporting legs 653 and ground friction in the transportation.

Specifically, one side of the sofa base 1 provided with the fixing plate 631 is spliced with a first baffle plate 10, and the first baffle plate 10 is provided with a groove 11, so that legs cannot be pressed against by parts such as a second knob 61 when people sit on the sofa for daily rest, and the comfort of the sofa is improved.

In particular, the second baffle 12 is installed on the other side of the sofa base 1, so as to prevent the sofa backrest 2 from being turned excessively by accident, which may cause the body of people to fall over on the ground along with the turning of the sofa backrest 2, and improve the protection of the sofa.

Specifically, all offer the chamber 13 that holds that is used for placing debris in first sofa handrail 3 and the second sofa handrail 4 to the top of first sofa handrail 3 and second sofa handrail 4 all articulates there is apron 14, and when needs were placed debris, open apron 14 and place debris in holding chamber 13, improved the practicality of sofa.

The working principle of the embodiment of the application is as follows: when the sofa needs to be transported, the first knob 53 is pulled first to pull the second gear 55 out of the gear groove 56, then the first knob 53 is rotated to drive the first rotating rod 51 to rotate through the engagement of the second gear 55 and the first gear 54, thereby driving the sofa backrest 2 to rotate towards the sofa base 1 with the axis of the first rotating rod 51 as the center of circle, so that the sofa backrest 2 is turned over to be attached to the top of the sofa base 1, then the second gear 55 is inserted into the gear groove 56 to prevent the sofa backrest 2 from raising and increasing the transportation difficulty during transportation, then the first baffle 10 is pulled out, the pull rod 634 is pulled to separate the clamping block 633 from the second knob 61, then the second knob 61 is rotated to drive the third rotating rod 62 to rotate, then the two first bevel gears 64 drive the four second bevel gears 651 respectively engaged with the two first bevel gears 64 to rotate, thereby driving the rotating rods 653 to rotate the four supporting legs 653 into the clamping groove 9 with the axis of the fourth bevel gears 652 as the center of circle, make a plurality of universal wheels 8 of sofa base 1 bottom installation contradict with ground, and then improved the convenient degree of sofa transportation, then loosen the pull rod 634 of pulling for block 633 is again with second knob 61 block, prevents supporting legs 653 and ground friction in the transportation, thereby has further reduced the transportation degree of difficulty of sofa.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A portable folding sofa is characterized in that: comprises a sofa base (1), a sofa backrest (2), a first sofa armrest (3), a second sofa armrest (4), a backrest adjusting part (5) and a bottom foot retracting part (6), wherein the first sofa armrest (3) and the second sofa armrest (4) are installed at the top of the sofa base (1) at intervals, a placing cavity (7) for placing the backrest adjusting part (5) is formed in the first sofa armrest (3), one end of the backrest adjusting part (5) penetrates through the first sofa armrest (3) and extends out of the side wall of the first sofa armrest (3), the other end of the backrest adjusting part (5) penetrates through the sofa backrest (2) and is rotatably connected with the second sofa armrest (4), the bottom foot retracting part (6) is arranged in the sofa base (1), and the bottom end of the bottom foot retracting part (6) penetrates through the sofa base (1) and extends, the bottom of sofa base (1) is provided with a plurality of universal wheels (8) at intervals, sofa base (1) is seted up with footing back of body part (6) matched with block groove (9).

2. The portable folding sofa of claim 1, wherein: the backrest adjusting part (5) comprises a first rotating rod (51), a second rotating rod (52), a first knob (53), a first gear (54) and a second gear (55), the first gear (54) and the second gear (55) are arranged in the placement cavity (7) at intervals, the first gear (54) is meshed with the second gear (55), one end of the first rotating rod (51) is fixedly connected with the first gear (54), the other end of the first rotating rod (51) sequentially penetrates through the first sofa armrest (3) and the sofa backrest (2) and is rotatably connected with the second sofa armrest (4), the first rotating rod (51) is fixedly connected with the backrest (2), one end of the second rotating rod (52) is fixedly connected with the second gear (55), the other end of the second rotating rod (52) penetrates through the first sofa armrest (3) and is fixedly connected with the first knob (53), second dwang (52) are rotated with first sofa handrail (3) and are connected, set up in first sofa handrail (3) with second gear (55) matched with gear groove (56).

3. The portable folding sofa of claim 1, wherein: the footing retraction part (6) comprises a second knob (61), a third rotating rod (62), a clamping assembly (63), two first umbrella teeth (64) and four telescopic assemblies (65), the third rotating rod (62) is horizontally arranged in the sofa base (1) in a rotating mode, one end of the third rotating rod (62) penetrates through the sofa base (1) and is fixedly connected with the second knob (61), the first umbrella teeth (64) are sleeved on the third rotating rod (62) at intervals, the clamping assembly (63) is arranged on one side of the sofa base (1), the clamping assembly (63) is in clamping fit with the second knob (61), four telescopic assemblies (65) are symmetrically arranged on two sides of the third rotating rod (62) in a pairwise mode, each telescopic assembly (65) comprises a second umbrella tooth (651), a fourth rotating rod (652) and a supporting foot (653), fourth dwang (652) are the level and rotate the setting in sofa base (1) to fourth dwang (652) is perpendicular setting with third dwang (62), the one end at fourth dwang (652) is installed in second bevel gear (651), and second bevel gear (651) mesh with corresponding first bevel gear (64), the other end at fourth dwang (652) is installed on the top of supporting legs (653), and the bottom of supporting legs (653) passes sofa base (1) and extends the setting.

4. The portable folding sofa of claim 3, wherein: block subassembly (63) is including fixed plate (631), slide bar (632), block (633), pull rod (634) and reset spring (635), one side at sofa base (1) is installed to fixed plate (631), the one end and the block (633) fixed connection of slide bar (632), and the other end of slide bar (632) passes fixed plate (631) and pull rod (634) fixed connection, block (633) and second knob (61) block cooperation, reset spring (635) cover is established on slide bar (632), and reset spring (635) both ends respectively with block (633) and fixed plate (631) fixed connection.

5. The portable folding sofa of claim 4, wherein: one side of the sofa base (1) provided with the fixing plate (631) is spliced with a first baffle plate (10), and the first baffle plate (10) is provided with a groove (11).

6. The portable folding sofa of claim 1, wherein: and a second baffle (12) is arranged on the other side of the sofa base (1).

7. The portable folding sofa of claim 1, wherein: all offer in first sofa handrail (3) and second sofa handrail (4) and be used for placing debris hold chamber (13) to the top of first sofa handrail (3) and second sofa handrail (4) all articulates there is apron (14).