CN113317652A

CN113317652A - Sofa

Info

Publication number: CN113317652A
Application number: CN202110595489.1A
Authority: CN
Inventors: 张德义
Original assignee: Individual
Current assignee: Hangzhou Longshen Industry And Trade Co ltd
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2021-08-31
Anticipated expiration: 2041-05-29
Also published as: CN113317652B

Abstract

The invention discloses a sofa, which comprises a framework, wherein a plurality of elastic metal plates are arranged in the framework in parallel, two ends of each elastic metal plate are fixed on the framework, a rubber pad covers each elastic metal plate, and a sponge pad covers each rubber pad; the elastic metal plates comprise lower concave parts and upper convex parts which are arranged at intervals, connecting parts are arranged between the adjacent lower concave parts and the upper convex parts, and the connecting parts between the adjacent elastic metal plates are connected through connecting pieces. The invention can improve the defects of the prior art and effectively prolong the service life of the sofa.

Description

Sofa

Technical Field

The invention relates to furniture, in particular to a sofa.

Background

The sofa is an indispensable one in indoor furniture. In order to create good comfort, existing sofas are usually realized by mounting cushion springs. However, such spring structures irreversibly deform after prolonged use or after a large impact force, which is manifested by concave deformation of the sofa.

Disclosure of Invention

The invention aims to provide a sofa, which can overcome the defects of the prior art and effectively prolong the service life of the sofa.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

A sofa comprises a framework, wherein a plurality of elastic metal plates are arranged in the framework in parallel, two ends of each elastic metal plate are fixed on the framework, a rubber pad covers each elastic metal plate, and a sponge pad covers each rubber pad; the elastic metal plates comprise lower concave parts and upper convex parts which are arranged at intervals, connecting parts are arranged between the adjacent lower concave parts and the upper convex parts, and the connecting parts between the adjacent elastic metal plates are connected through connecting pieces.

Preferably, the connecting piece includes the base plate, and the centre of base plate is provided with flexible portion, and two spouts have been seted up on the base plate to the both sides and the adjacent connecting portion bolt fixed connection of base plate, and two spouts use the central line of flexible portion to set up as symmetry axis symmetry, and it has a connecting plate to slide the grafting in every spout, connects through torsion portion between two connecting plates, and first shell fragment is installed at the both ends of spout, and the connecting plate contacts with first shell fragment.

Preferably, the torsion portion comprises a rotating shaft, the rotating shaft is fixed on any one connecting plate, a shaft sleeve is movably sleeved on the outer side of the rotating shaft and fixed on the other connecting plate, and the top and the bottom of the shaft sleeve are respectively connected to the rotating shaft through torsion springs.

Preferably, two partition plates are fixed on the rotating shaft, the shaft sleeve is located between the two partition plates, the torsional spring is fixed on the partition plates, a limiting block is fixed on the outer side of each partition plate, and a limiting portion matched with the limiting block is fixed on the side wall of the shaft sleeve.

Preferably, a gap is formed between the adjacent elastic metal plates, a plurality of rubber inserting plates are arranged on the bottom surface of the rubber pad, the rubber inserting plates are inserted into the gap between the adjacent elastic metal plates, and the elastic metal plates are in interference fit with the rubber inserting plates.

As the preferred, the both ends of elastic metal plate are provided with the sleeve, and threaded connection has the connecting rod on the skeleton, is connected with the nut on the connecting rod, and the nut is located the skeleton both sides for carry on spacingly to the connecting rod, the sleeve passes through the clamp to be fixed on the connecting rod.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the invention abandons the spring structure in the traditional sofa, adopts the elastic metal plate to replace the spring structure, and can avoid the problem of collapse and deformation caused by using the spring because the strength and the durability of the elastic metal plate are far higher than those of the spring. However, since the elastic metal plate is not as spring-like in the elastic buffering effect, if it is directly and simply replaced, the comfort of the sofa may be greatly reduced. Aiming at the problem, the invention specially optimizes the structure of the elastic metal plate. The shape of the elastic metal plate is designed to be in a concave-convex staggered form, then the elastic metal plates are arranged in parallel, the lower pressure is jointly buffered by utilizing different positions of different elastic metal plates, and meanwhile, the rubber pad is specially designed, so that the stress of the elastic metal plates is further homogenized, and the buffering comfort level is improved. In addition, the adjacent elastic metal plates are connected through the connecting piece, the connecting piece of the invention adopts a flexible connecting structure, and the horizontal direction, the vertical direction and the mutual torsion buffering can be realized by utilizing the connecting piece when the adjacent elastic metal plates are elastically deformed, so that the dimensionality of the elastic metal plate structure for the downward pressure buffering is greatly enriched, and the body feeling comfort level is improved. The both ends of elasticity metal sheet pass through the connecting rod and form adjustable connection structure, can increase the adjustable range of elasticity metal sheet installation back soft or hard degree on the one hand, and on the other hand is after long-time the use, and metal fatigue can appear in the elasticity metal sheet, at this moment only need through the position of adjusting the connecting rod, just can adjust the tensile force of elasticity metal sheet to guarantee that the cushioning effect of whole elasticity metal sheet structure keeps at initial condition.

Drawings

Fig. 1 is a structural view of a sofa according to an embodiment of the present invention.

Fig. 2 is a top view of a connector according to an embodiment of the present invention.

Fig. 3 is a structural view of a torsion portion according to an embodiment of the present invention.

FIG. 4 is a partially enlarged view of the insertion position of the connecting plate and the sliding groove according to an embodiment of the present invention.

In the figure: 1. a framework; 2. an elastic metal plate; 3. a rubber pad; 4. a sponge cushion; 5. a lower recess; 6. an upper convex portion; 7. a connecting portion; 8. a connecting member; 9. a substrate; 10. a flexible portion; 11. a chute; 12. a connecting plate; 13. a torsion portion; 14. a first spring plate; 15. a rotating shaft; 16. a shaft sleeve; 17. a torsion spring; 18. a partition plate; 19. a limiting block; 20. a limiting part; 21. a rubber plug board; 22. a sleeve; 23. a connecting rod; 24. a nut; 25. clamping a hoop; 26. a limiting strip; 27. a first inclined surface part; 28. a second bevel portion.

Detailed Description

Referring to fig. 1-4, a specific embodiment of the present invention includes a frame 1, a plurality of elastic metal plates 2 are installed in parallel in the frame 1, both ends of the elastic metal plates 2 are fixed on the frame 1, a rubber pad 3 covers the elastic metal plates 2, and a sponge pad 4 covers the rubber pad 3; the elastic metal plates 2 comprise lower concave parts 5 and upper convex parts 6 which are arranged at intervals, connecting parts 7 are arranged between the adjacent lower concave parts 5 and the adjacent upper convex parts 6, and the connecting parts 7 between the adjacent elastic metal plates 2 are connected through connecting pieces 8. Connecting piece 8 includes base plate 9, the centre of base plate 9 is provided with flexible portion 10, the both sides and the 7 bolt fixed connection of adjacent connecting portion of base plate 9, two spouts 11 have been seted up on base plate 9, two spouts 11 use the central line of flexible portion 10 to set up as symmetry axis symmetry, it has a connecting plate 12 to slide the grafting in every spout 11, connect through torsion portion 13 between two connecting plates 12, first shell fragment 14 is installed at the both ends of spout 11, connecting plate 12 contacts with first shell fragment 14. The torsion portion 13 comprises a rotating shaft 15, the rotating shaft 15 is fixed on any one of the connecting plates 12, a shaft sleeve 16 is movably sleeved on the outer side of the rotating shaft 15, the shaft sleeve 16 is fixed on the other connecting plate 12, and the top and the bottom of the shaft sleeve 16 are respectively connected to the rotating shaft 15 through a torsion spring 17. Two partition plates 18 are fixed on the rotating shaft 15, the shaft sleeve 16 is positioned between the two partition plates 18, the torsion spring 17 is fixed on the partition plates 18, a limiting block 19 is fixed on the outer side of each partition plate 18, and a limiting part 20 matched with the limiting block 19 is fixed on the side wall of each shaft sleeve 16. A gap is formed between every two adjacent elastic metal plates 2, a plurality of rubber inserting plates 21 are arranged on the bottom surface of the rubber pad 3, the rubber inserting plates 21 are inserted into the gaps between the adjacent elastic metal plates 2, and the elastic metal plates 2 are in interference fit with the rubber inserting plates 21. The both ends of elastic metal plate 2 are provided with sleeve 22, and threaded connection has connecting rod 23 on the skeleton 1, is connected with nut 24 on the connecting rod 23, and nut 24 is located skeleton 1 both sides for carry on spacingly to connecting rod 23, sleeve 22 passes through the clamp 25 to be fixed on connecting rod 23.

In addition, the top of the sliding groove 11 is detachably provided with a limiting strip 26, a first inclined plane part 27 is arranged on the inner side of the limiting strip 26, a second inclined plane part 28 is fixed on the connecting plate 12, the second inclined plane part 28 is made of rubber, the second inclined plane part 28 is inserted into the inner side of the limiting strip 26 and is in clearance fit with the first inclined plane part 27, and the slope of the second inclined plane part 28 is greater than that of the first inclined plane part 27. When relative wrench movement appears in connecting plate 12 and spout 11, first inclined plane portion 27 and second inclined plane portion 28 contact, can carry out effectual spacing to connecting plate 12 to improve the buffering effect of whole elastic metal plate structure when to the torsional force.

When the sofa is used, firstly, the downward pressure is preliminarily buffered through the sponge cushion 4, then, the downward pressure is uniformly distributed on each elastic metal plate 2 through the rubber cushion 3, and the downward pressure is buffered through the concave-convex structures on the elastic metal plates 2. When the elastic metal plates 2 are elastically deformed, the connecting pieces 8 connected with the elastic metal plates 2 buffer the relative deformation between the adjacent elastic metal plates 2 because the sizes and directions of the elastic deformations at different positions are different. The flexible portion 10 can deform to adapt to relative deformation displacement between the adjacent elastic metal plates 2, the connecting plates 12 can generate relative sliding displacement in the sliding grooves 11, and the twisting portion 13 can enable the two connecting plates 12 to generate relative twisting. After a long time use, the influence of the metal fatigue of the elastic metal plate 2 on the riding comfort can be reduced by adjusting the connecting bar 23.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sofa, comprising a frame (1), characterized in that: a plurality of elastic metal plates (2) are arranged in parallel in the framework (1), two ends of each elastic metal plate (2) are fixed on the framework (1), a rubber pad (3) covers each elastic metal plate (2), and a sponge pad (4) covers each rubber pad (3); the elastic metal plates (2) comprise lower concave parts (5) and upper convex parts (6) which are arranged at intervals, connecting parts (7) are arranged between the adjacent lower concave parts (5) and the upper convex parts (6), and the connecting parts (7) between the adjacent elastic metal plates (2) are connected through connecting pieces (8).

2. The sofa of claim 1, wherein: connecting piece (8) are including base plate (9), the centre of base plate (9) is provided with flexible portion (10), the both sides and adjacent connecting portion (7) bolt fixed connection of base plate (9), two spout (11) have been seted up on base plate (9), two spout (11) use the central line of flexible portion (10) to set up as symmetry axis symmetry, it has one connecting plate (12) to slide the grafting in every spout (11), connect through torsion portion (13) between two connecting plates (12), first shell fragment (14) are installed at the both ends of spout (11), connecting plate (12) contact with first shell fragment (14).

3. The sofa of claim 2, wherein: torsion portion (13) are including pivot (15), and pivot (15) are fixed on arbitrary connecting plate (12), and axle sleeve (16) have been cup jointed in pivot (15) outside activity, and axle sleeve (16) are fixed on another connecting plate (12), and the top and the bottom of axle sleeve (16) are connected on pivot (15) through torsional spring (17) respectively.

4. The sofa of claim 3, wherein: two partition plates (18) are fixed on the rotating shaft (15), the shaft sleeve (16) is located between the two partition plates (18), the torsion spring (17) is fixed on the partition plates (18), a limiting block (19) is fixed on the outer side of each partition plate (18), and a limiting part (20) matched with the limiting block (19) is fixed on the side wall of the shaft sleeve (16).

5. The sofa of claim 3, wherein: a gap is formed between every two adjacent elastic metal plates (2), a plurality of rubber inserting plates (21) are arranged on the bottom surface of the rubber pad (3), the rubber inserting plates (21) are inserted into the gap between every two adjacent elastic metal plates (2), and the elastic metal plates (2) are in interference fit with the rubber inserting plates (21).

6. The sofa of claim 1, wherein: the two ends of the elastic metal plate (2) are provided with sleeves (22), the framework (1) is connected with a connecting rod (23) in a threaded mode, the connecting rod (23) is connected with nuts (24), the nuts (24) are located on the two sides of the framework (1) and used for limiting the connecting rod (23), and the sleeves (22) are fixed on the connecting rod (23) through clamps (25).