TWM634806U - Sofa device - Google Patents

Abstract

This creation discloses a sofa device, which includes a sofa frame set, a seat cover and an automatic tensioning component. The sofa frame set includes a chair back and a chair face, and a junction is defined between the chair back and the chair face; the seat cover is used to cover Set the seat face; the automatic straightening component is arranged on the seat face and adjacent to the junction, the automatic straightening component includes a straightening plate and a reset part, the straightening plate is connected with the side edge of the seat cover, and the reset part is connected with the straightening Plate connection, when the reset part is not subjected to external force, the first end of the tensioning plate is close to the junction, so that the seat cover is maintained in a predetermined pulling state, and when the tensioning plate is pulled, the first end is far away from the junction At the same time, the reset member produces elastic force to reset the tensioning plate, so that the seat cover can return to the predetermined pulling state, thereby maintaining the seat cover to present a smooth and flat appearance.

Description

Sofa device

This creation relates to a sofa device, especially a sofa device with a replaceable outer cover.

The conventional sofa structure mainly includes a seat and a chair back constructed of a sofa frame and a foam layer, and the surface thereof is covered with a layer of outer cover. In some aspects, the cover is secured primarily at the edges of the cover by sewing or staple guns so that the cover is secured to the outermost layer of the monolithic structure. Generally speaking, when no one is sitting on the sofa, the outer cover will be in a tight and flat state.

However, because the weight of the occupant is mainly concentrated in the middle area of the seat when the occupant rides, the force on the overall surface of the outer cover is uneven (the force in the middle area of the corresponding seat is greater, and the force at the edge is smaller), so the outer cover Wrinkles will appear when the occupant rides, and these wrinkles may remain on the surface of the sofa after the occupant leaves, and need to be smoothed or straightened manually by people. In addition, after the sofa has been used for a period of time, the outer cover itself may be deformed by loose weaving threads or fatigue fatigue, resulting in wrinkles on the surface, which will affect the appearance of the sofa.

In order to overcome the shortcomings of conventional sofas that are prone to surface wrinkles, one purpose of this invention is to provide a sofa device that can be automatically leveled.

In order to achieve the above purpose or other purposes, this creation discloses a sofa device, comprising a sofa frame group, a seat cover and an automatic tensioning assembly, the sofa frame group includes a chair back and a chair face, the chair back and the The joint of the seat portion defines a junction; the seat cover is used to cover the seat portion; the automatic straightening component is arranged on the seat portion and is adjacent to the junction, and the automatic straightening component includes a straightening board and A reset piece, the straightening plate is connected with one side edge of the seat cover, and the reset piece is connected with the straightening plate, wherein, when the reset piece is not subjected to external force, one of the straightening plates The first end is close to the junction, so that the seat cover is maintained in a predetermined pulling state, wherein, when the tensioning plate is pulled to make the first end away from the junction, the reset member generates the pull The elastic force for the reset of the whole board is used for the seat cover to return to the predetermined pulling state.

In one embodiment of the present invention, the reset member is arranged between the bottom surface of the straightening board and the seat portion, and the restoring member is adjacent to a second end opposite to the first end, and the straightening board is A shaft at the edge of the second end is reversibly arranged on the seat portion.

In one embodiment of the present invention, the reset member is a spring hinge.

In an embodiment of the present invention, the side edge of the seat cover is detachably connected to the first end of the straightening plate.

In an embodiment of the present invention, the side edge of the seat cover is connected to the first end of the straightening plate by a first detachable connecting unit.

In one embodiment of the present creation, the sofa frame set includes a support frame, the support frame has a plurality of support plates extending downward in a direction substantially perpendicular to the seat surface, on the opposite side of the junction and adjacent For the support plates on both sides of the junction, the seat cover is connected to the inner side surfaces of the support plates in a manner covering the bottom edge thereof.

In an embodiment of the present invention, the seat cover and the support plate are fixed by a second detachable connection unit.

In an embodiment of the present creation, the reset member is arranged on the bottom surface of the straightening board, and the straightening board is translated on the seat portion by the reset member.

In one embodiment of the present creation, the return member includes a return spring, a slider and a slide rail, the slider is movably arranged on the slide rail, and the return spring is arranged between the slide block and the slide rail between rails.

Accordingly, the sofa device of the above-mentioned embodiment of the invention can make the seat cover on the seat part automatically form a flat and flat state when no one is sitting on it, thereby keeping the sofa device neat and beautiful. In addition, even if the fabric of the seat cover may lose its elasticity or the weaving thread may become loose and deformed after a long period of use, the seat cover on the seat surface can maintain a flat and flat appearance through the automatic straightening component .

10: sofa frame group

11: Chair back

12: Chair face

13: Junction

14: Supporting skeleton

15: Support plate

16: chair leg

20: Seat cover

21: side edge

30: Automatically straighten components

31: pull the whole board

31A: first end

31B: second end

32,32': reset piece

321: return spring

322:Slider

323: slide rail

40: The first detachable connection unit

50: Second detachable connection unit

A: arrow

P: passenger

[Fig. 1] is a schematic structural view of a sofa device according to an embodiment of the invention.

[Fig. 2] is a schematic diagram of the action of the sofa device according to an embodiment of the invention.

[Fig. 3] is another action schematic diagram of the sofa device of an embodiment of the invention.

[Fig. 4] is a schematic diagram of the automatic straightening assembly of another embodiment of the invention

[Fig. 5] is a schematic diagram of a sofa device according to another embodiment of the invention.

In order to fully understand the purpose, characteristics and effects of this creation, I will give a detailed description of this creation through the following specific embodiments and the attached drawings, as follows: In this article, the terms described " Comprising, comprising, having" or any other similar terms are not limited to the elements listed herein, but may include other elements not expressly listed but which are generally inherent in the element, component, part or device. elements or steps.

As used herein, the term "a" is used to describe the element, material, component, component, etc. described herein. This is done for convenience of illustration only and to provide a general sense of the scope of this work. Accordingly, such description should be read to include one or at least one and the singular also includes the plural unless it is obvious that it is otherwise meant.

In this document, words with similar ordinal numbers such as "first" or "second" described are used to distinguish or refer to the same or similar elements or structures, parts or regions, and do not necessarily imply such elements , the spatial order of structures, parts or regions. It should be understood that in some cases or configurations, ordinal terms may be used interchangeably without affecting the practice of the invention.

The invention relates to a sofa device for people to sit on, which can be a single seat or a multi-seat sofa device.

Please refer to FIG. 1 , which is a schematic structural view of a sofa device according to an embodiment of the invention. The sofa device of the embodiment of the invention comprises a sofa frame set 10 , a seat cover 20 and an automatic straightening assembly 30 .

The sofa frame group 10 includes a chair back 11 and a seat surface 12, and the connection between the chair back 11 and the seat surface 12 defines a boundary 13, which is shown as a seam at the junction of the chair back 11 and the seat surface 12 in FIG. 1 Line, but its system is not limited to this, the junction 13 can also be a gentle slope or a curved surface, not necessarily a suture. When an occupant sits on the sofa device, his buttocks to legs can be supported by the seat portion 12, and his back can lean against the chair back 11.

The seat cover 20 is used to cover the seat portion 12, usually as an interface with the occupant. As an example, the seat cover 20 can be made of cloth to provide a comfortable touch, but it is not limited thereto , the seat cover can also be other kinds of flexible materials.

In this embodiment, the seat cover 20 is covered on the surface layer as the outermost layer of the sofa device to provide soft and elastic feeling; as an example, the seat cover 20 covering the seat portion 12 does not extend to cover The chair back 11, the chair back 11 can be covered by another cover. In addition, for the convenience of illustration, the left and right armrests are not shown in Fig. 1, and in this embodiment, the seat cover 20 covering the seat portion 12 does not extend to cover the left and right armrests, wherein the left and right armrests It can be soft and covered with other coverings, or it can be hardware, for example made of wood.

The automatic straightening assembly 30 is arranged on the seat surface 12 and is adjacent to the junction 13. The automatic straightening assembly 30 includes a straightening plate 31 and a reset member 32. The straightening plate 31 is connected with the side edge 21 of the seat cover 20 and resets. The part 32 is connected with the straightening board 31, wherein, when the reset part 32 is not subjected to external force, the first end 31A of the straightening board 31 is closest to the junction 13, so that the seat cover 20 is maintained in a predetermined pulling state , that is, the seat cover 20 on the seat portion 12 presents a flat and wrinkle-free appearance; when the straightening board 31 is pulled to make the first end 31A away from the junction 13, the reset member 32 produces a force to reset the straightening board 31 elastic force, so that the seat cover 20 can be restored to a predetermined pulling state.

Please refer to Fig. 2 at the same time, when the occupant P sits on the sofa device, since the occupant P presses against the middle position between the seat surface 12 and the seat cover 20, the seat cover 20 is pulled, and the pull connected with the seat cover The whole board 31 is also driven, so that the first end 31A of the whole board 31 is pulled away from the junction 13 . Please refer to FIG. 3 again. When the occupant P gets up and leaves the sofa device, the force originally pressed against the middle position between the seat surface 12 and the seat cover 20 disappears, and the elastic force of the reset member 32 pulls the whole plate 31 to form the second seat. One end 31A is close to the junction 13, and finally the seat cover 20 is returned to a predetermined pulling state.

Accordingly, the sofa device of the present creation embodiment can make the seat cover 20 of the seat part 12 automatically form a flat and flat state when no one is sitting or receiving other external forces, thereby keeping the sofa device neat and beautiful. In addition, even after the seat cover 20 is used for a long time, its cloth may lose its elasticity or the weaving thread may be loose and deformed, it can be further adjusted by the automatic straightening component 30 in this embodiment of the invention (for example, the seat The side edge 21 of the chair cover 20 is connected to the inner side of the straightening plate 31), so that the seat cover 20 on the seat portion 12 can always maintain a smooth and flat appearance.

As shown in Figures 2 and 3, the reset member 32 is arranged between the bottom surface of the straightening plate 31 and the seat portion 12, and the reset member 32 is adjacent to the second end 31B opposite to the first end 31A, and the straightening plate 31 is The edge of the second end 31B is a shaft reversibly arranged on the seat portion 12, that is, when the seat cover 20 is subjected to tension, the first end 31A of the tensioning plate 31 will be pulled up and away from the junction 13, so as to sideways Viewed from the view, the movement track of the first end 31A is an arc. Wherein, for the convenience of display and description, the pulling up degree of the first end 31A of the straightening plate 31 illustrated in FIG. In contrast, the actual pulling up degree corresponds to the pulling of the seat cover 20 by an external force.

In this embodiment, the reset member 32 can be a spring hinge, which is a hinge (also known as hinge or hinge) with a spring structure, which is used to connect two objects so that they can rotate relative to each other, and the spring The hinge has the function of opening when the tension is applied and closing automatically when the tension disappears. Therefore, the reset member 32 is fixed on the seat portion 12 and the bottom surface of the straightening plate 31 adjacent to the second end 31B by a locking member (such as a screw), so that the straightening plate 31 can be closed and opened relative to the seat portion 12, and by The automatic reset function of the spring hinge, when the occupant leaves the sofa device and causes the pulling force caused by the seat cover 20 to the whole board 31 to disappear, because the elastic potential energy stored in the spring in the spring hinge makes the whole board 31 close automatically. Reset, because the side edge of the seat cover 20 is combined with the first end 31A of the straightening plate 31, along with the first end 31A of the straightening plate 31 returns to its original position (close to the position of the junction 13), the seat cover 20 returns to Flat and flat pre-determined pull state.

Preferably, the side edge 21 of the seat cover 20 is detachably connected to the first end 31A of the straightening plate 31. Specifically, the side edge 21 of the seat cover 20 can be connected via the first detachable connection. The unit 40 is coupled to the first end 31A of the tensioning plate 31. The first detachable connecting unit 40 is preferably Velcro, but it is not limited thereto, and components such as buttons, hooks or zippers can also be used.

In this embodiment, the inner layer structure of the sofa frame group 10 may include but not limited to components such as a support frame, an elastic belt, a spring, and a foam composite layer. The support frame 14 forms a body frame to provide rigid support, wherein the support The skeleton 14 can be assembled by a plurality of boards and has a plurality of support plates 15 extending downward along the direction approximately perpendicular to the seat portion 12. The support plates 15 form four sides of a cube, and The corners are assembled with chair legs 16 respectively.

On the opposite side of the junction 13 and the support plate 15 adjacent to the two sides of the junction 13, that is, on the three vertical surfaces of the front side, the left side and the right side of the sofa device, the seat cover 20 is in a manner of covering its bottom edge It is connected to the inner side of the support plate 15, so that the hemming structure can better fix the seat cover 20, so as to improve the maintenance of the flatness of the seat cover 20. Figures 2 and 3 show that the support plate 15 on the front side of the sofa device is covered by the seat cover 20 at the bottom edge. The structure of the support plate 15 on the left and right sides of the sofa device is covered by the seat cover 20. The bottom edge structure is also similar. Of.

In this embodiment, the seat cover 20 and the support plate 15 are fixed by the second detachable connection unit 50, the second detachable connection unit 50 is preferably Velcro, but it is not limited to Here, components such as buttons, hooks or zippers can also be used.

Therefore, the seat cover 20 of this embodiment has a detachable feature, and the seat cover 20 can be disassembled for cleaning or replacement on a regular basis, and the seat cover of different designs and colors can also be replaced to increase the diversity of the appearance of the sofa device. features.

Please refer to Fig. 4 and Fig. 5, which are schematic diagrams of the automatic straightening assembly and the sofa device of another embodiment of the present invention.

In this embodiment, the reset member 32' is arranged on the bottom surface of the straightening plate 31. The reset member 32' includes a reset spring 321, a slider 322 and a slide rail 323. The slider 322 is movably arranged on the slide rail 323. The return spring 321 is arranged between the slide block 322 and the slide rail 323, and the straightening plate 31 can translate on the seat portion by the return member 32' to move away from the junction 13 or move toward the junction 13 (as shown by arrow A in Fig. 4 Show). For example, the slider 322 can be fixed on the bottom surface of the straightening board 31 , and the slide rail 323 can be fixed on the seat portion 12 so that the straightening board 31 can move horizontally on the seat portion 12 .

Same as above, the side edge 21 of the seat cover 20 is detachably connected to the first end 31A of the straightening plate 31 . When the first end 31A of the tensioning plate 31 is closest to the junction 13, the seat cover 20 is in a predetermined pulling state, and the return spring 321 of the return member 32' is in an unstretched state (or an uncompressed state) of the original length. , based on the elastic potential of the return spring 321 can be realized in a stretched state or a compressed state). If an occupant sits on the sofa device, because the occupant presses against the middle position between the seat surface 12 and the seat cover 20, the seat cover 20 is pulled, and the pulling plate 31 connected with the seat cover is also driven, This causes the first end 31A of the straightening plate 31 to move away from the boundary 13 and move toward the middle position of the seat portion 12 .

When the occupant leaves the sofa device and the pulling force caused by the seat cover 20 to the straightening plate 31 disappears, because of the elastic potential energy stored in the return spring 321 of the reset member 32, the slide block on the bottom surface of the straightening plate 31 faces the direction of the boundary 13 Advance and reset, because the side edge of seat cover 20 is combined in the first end 31A of straightening board 31, along with the first end 31A of straightening board 31 returns to original position (close to the position of junction 13), seat cover 20 Return to a flat and flat intended pull.

Accordingly, the sofa device of the embodiment of the present invention can make the seat cover on the seat surface automatically form a flat and flat state when no one is sitting on it, thereby keeping the sofa device neat and beautiful. this In addition, even if the fabric of the seat cover may lose its elasticity or the weaving thread may become loose and deformed after a long period of use, the seat cover on the seat surface can maintain a flat and flat appearance by using the automatic straightening component .

The invention has been disclosed above with a preferred embodiment, but those skilled in the art should understand that the embodiment is only used to describe the invention, and should not be construed as limiting the scope of the invention. It should be noted that all changes and replacements equivalent to the embodiments should be included in the scope of this creation. Therefore, the scope of protection of this creation should be defined by the scope of the patent application.

10: sofa frame group

11: Chair back

12: Chair face

13: Junction

20: Seat cover

21: side edge

30: Automatically straighten components

31: pull the whole board

31A: first end

32:Reset

Claims (13)

A sofa device, comprising: a sofa frame group, including a chair back and a chair face, the joint between the chair back and the chair face defines a junction; a seat cover, used to cover the chair face; and a The automatic straightening assembly is arranged on the seat surface and is adjacent to the junction. The automatic straightening assembly includes a straightening plate and a reset member. The straightening plate is connected with a side edge of the seat cover, and the The reset member is connected with the straightening plate, wherein, when the reset member is not subjected to external force, one of the first ends of the straightening plate is close to the junction, so that the seat cover is maintained in a predetermined pulling state , wherein, when the straightening plate is pulled to make the first end away from the junction, the reset member generates an elastic force to reset the straightening plate, so that the seat cover can return to the predetermined pulling state. The sofa device as described in claim 1, wherein the reset member is arranged between the bottom surface of the straightening plate and the seat portion, and the restoring member is adjacent to a second end opposite to the first end, the straightening plate It is reversibly arranged on the seat portion with the edge of the second end as an axis. The sofa device according to claim 2, wherein the reset member is a spring hinge. The sofa device according to claim 3, wherein the side edge of the seat cover is detachably connected to the first end of the straightening plate. The sofa device as described in claim 4, wherein the side edge of the seat cover is connected to the first end of the straightening plate by a first detachable connection unit. The sofa device as described in claim 3, wherein the sofa frame set includes a support frame, the support frame has a plurality of support plates extending downward in a direction substantially perpendicular to the seat surface, on the opposite side of the junction and Adjacent to the support plates on two sides of the junction, the seat cover is connected to the inner side surfaces of the support plates in a manner covering the bottom edge thereof. The sofa device according to claim 6, wherein the seat cover and the support plate are fixed by a second detachable connection unit. The sofa device according to claim 1, wherein the reset member is arranged on the bottom surface of the straightening plate, and the straightening plate is translated on the seat portion by the reset member. The sofa device as described in claim 8, wherein the return member includes a return spring, a slide block and a slide rail, the slide block is movably arranged on the slide rail, and the return spring is arranged on the slide block and a slide rail. between the rails. As the sofa device described in claim 9, the side edge of the seat cover is detachably connected to the first end of the straightening plate. The sofa device according to claim 10, wherein the side edge of the seat cover is connected to the first end of the straightening plate by a first detachable connection unit. The sofa device as described in claim 8, wherein the sofa frame set includes a support frame, and the support frame has a plurality of support plates extending downward along a direction substantially perpendicular to the seat surface, The seat cover is secured to the inner side of the support panels on opposite sides of the junction and adjacent to the two sides of the junction, the seat cover being secured to the inner side of the support panels in a manner covering the bottom edge thereof. The sofa device according to claim 12, wherein the seat cover and the support plate are fixed by a second detachable connection unit.

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