Transformable sofa with folding armrests

By designing a deformed sofa with folding handrails, the folding mechanism, support mechanism and moving mechanism are used to solve the problem of fixed sofa size, achieving flexible seat adjustment and efficient use of space, and improving the practicality of the sofa.

CN222828334UActive Publication Date: 2025-05-06ANHUI AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202421998007.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-05-06
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The existing double sofa has a fixed size and cannot be adjusted according to needs, resulting in a large space occupancy and reducing practicality.

Method used

A deformed sofa with folding handrails is designed. Through the combination of folding mechanism, support mechanism and moving mechanism, the position adjustment of the sofa seat and the expansion and folding of the handrails are realized, increasing seating or saving space.

Benefits of technology

It realizes flexible position adjustment of the sofa seat, adds seats through the expansion of the handrail, improves the convenience of use, and saves space when folding, improving the practicality of the sofa.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a transformable sofa with a folding armrest, which comprises a sofa seat, a backrest, a folding armrest, a folding armrest, a folding armrest and a folding armrest, and is characterized in that a backrest is mounted at the top of the back side of the sofa seat; the folding mechanism is connected to the side surface of the sofa seat through a shaft, the folding mechanism comprises an armrest, a rotating shaft and a rotating seat, the rotating shaft is fixedly mounted on the side surface of the armrest, the rotating shaft rotatably penetrates through the side surface of the rotating seat, and a hand strap is mounted on the surface of the armrest; the supporting mechanism is installed on the bottom side of the folding mechanism, and the supporting mechanism is used for supporting after the folding mechanism is unfolded; the moving mechanism is mounted on the bottom side of the sofa seat. When the armrests are unfolded, a seat is added, a user can conveniently sit on the armrests, the backup plate is moved out along the containing groove formed in the backrest, the user can conveniently lean against the backup plate after sitting on the armrests, use is convenient, when the armrests are folded, the backup plate is contained in the containing groove, the supporting plate is contained in the supporting groove, and the occupied space of the sofa is saved.
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Description

Technical Field

[0001] The utility model relates to a deformable sofa, in particular to a deformable sofa with folding armrests. Background Art

[0002] A sofa is a cushioned multi-seat chair with a backrest equipped with springs or thick foam plastic, etc., and armrests on both sides. It is a kind of soft furniture. Sofas can be classified according to their functions into functional sofas, fixed-back sofas, stepless automatic sofas, pneumatic sofas (ie manual sofas), electric sofas and sofas with TVs, etc. Sofas have become a necessary furniture for many families. Generally, there are three types of sofas sold on the market: low-back sofas, high-back sofas and ordinary sofas between the first two.

[0003] Referring to Chinese utility model patent CN209677916U, an anti-static double sofa is mentioned, comprising two side panels, a backrest is arranged on the rear sides of the two side panels, and the rear walls of the two side panels are fixedly connected to the front wall of the backrest, a bottom plate is arranged near the bottom of the front side of the backrest, and the two sides of the bottom plate are respectively fixedly connected to the inner sides of the two side panels, a cushion is installed on the top of the bottom plate, and support seats are arranged below the four side corners of the bottom of the bottom plate.

[0004] It can be seen that the existing double sofa has a fixed size during use and cannot be adjusted according to demand. If the size of the sofa is increased, it is not easy to adjust due to the fixed setting of the sofa, resulting in the sofa occupying a large space and reducing the practicality of the sofa. Utility Model Content

[0005] The utility model provides a deformable sofa with foldable armrests in order to solve the technical problems that the existing double sofa has a fixed size during use and cannot be adjusted according to needs; if the size of the sofa is increased, it is not convenient to adjust the sofa due to the fixed setting of the sofa, resulting in a large space occupied by the sofa and reducing the practicality of the sofa.

[0006] The utility model solves the above technical problems through the following technical solutions:

[0007] The utility model provides a deformable sofa with foldable armrests, and the deformable sofa with foldable armrests comprises:

[0008] A sofa seat, wherein a backrest is installed on the top of the back side of the sofa seat;

[0009] A folding mechanism, the folding mechanism is connected to the side surface of the sofa seat through a shaft, the folding mechanism comprises an armrest, a rotating shaft and a rotating seat, the side surface of the armrest is fixedly mounted with a rotating shaft, the rotating shaft rotates and penetrates the side surface of the rotating seat, and a hand strap is installed on the armrest surface;

[0010] A supporting mechanism, the supporting mechanism being installed at the bottom side of the folding mechanism and being used for supporting the folding mechanism after it is unfolded;

[0011] The moving mechanism is installed on the bottom side of the sofa seat.

[0012] Preferably, there are two sofa seats, and the two sofa seats are connected by a folding mechanism.

[0013] Preferably, there are two armrests, which are rotatably connected to the side surface of the sofa seat, and the contact surfaces of the two armrests are in contact with each other.

[0014] Preferably, a storage groove is provided on the side surface of the backrest, a backrest board is slidably connected in the storage groove, and the storage groove is used for storing and placing the backrest board.

[0015] Preferably, the bottom side surface of the storage groove is connected to the limiting groove opened on the bottom side, the side section of the limiting groove is an inverted T-shaped structure, a limiting block is slidably connected in the limiting groove, and the limiting block is fixedly installed on the bottom surface of the back plate.

[0016] Preferably, both ends of the hand strap are fixedly mounted on the surface of the armrest, and the hand strap is made of nylon.

[0017] Preferably, the support mechanism includes a support plate, a support block and a placement groove, the placement groove is opened on the side surface of the sofa seat, the inner cavity of the placement groove is slidably connected to the support plate, the bottom side of the support plate is fixedly connected to the support block, and the bottom side of the placement groove is connected to a slide groove.

[0018] Preferably, support blocks are symmetrically installed on the bottom sides of the two opposite ends of the support plate, the cross-section of the support block is an inverted T-shaped structure, the support block is slidably connected to the inner cavity of the slide groove, and the top side surface of the support plate is in contact with the bottom side of the unfolded armrest.

[0019] Preferably, the moving mechanism comprises a collecting chamber, a hydraulic cylinder and casters, the collecting chamber is opened on the bottom surface of the sofa seat, a hydraulic cylinder is installed in the collecting chamber, and the output end of the hydraulic cylinder is fixedly connected to the caster.

[0020] Preferably, the number of the collecting cavities is four, and the four collecting cavities are located at four corners of the bottom surface of the sofa seat.

[0021] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0022] The positive and progressive effects of the utility model are:

[0023] The above-mentioned deformable sofa with foldable armrests is convenient for pushing and moving the sofa seat under the action of the provided moving mechanism, so that the position of the sofa seat can be adjusted conveniently. At the same time, when the armrests are unfolded, the two armrests are unfolded and the two sofa seats are moved back to back to flatten the armrests, thereby adding an additional seat for the user to sit on the armrests. The backrest is moved out along the storage groove provided on the backrest, so that the user can lean against the backrest after sitting on the armrests, which is convenient for use. The supporting mechanism provided on the bottom side of the armrest makes it convenient for the support plate to stably support the armrest after the armrest is unfolded, thereby improving the stability of the user sitting on the armrest. At the same time, when the armrests are folded, the backrest is stored in the storage groove, and the support plate is stored in the support groove, so that the space occupied by the sofa is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application.

[0025] Figure 1 It is an exploded view of the deformable sofa of the utility model.

[0026] Figure 2 The utility model is a three-dimensional structural schematic diagram of the deformable sofa.

[0027] Figure 3 The utility model is a three-dimensional structural schematic diagram of a deformable sofa when it is folded.

[0028] Figure 4 The utility model is a schematic side sectional structure diagram of a sofa seat and a moving mechanism of the transformable sofa.

[0029] Description of Reference Numerals

[0030] 1. Sofa seat; 2. Backrest; 3. Storage slot; 4. Limiting slot; 5. Backrest; 6. Limiting block; 7. Rotating seat; 8. Armrest; 9. Rotating shaft; 10. Hand strap; 11. Support plate; 12. Support block; 13. Placement slot; 14. Slide; 15. Collection chamber; 16. Hydraulic cylinder; 17. Caster. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0034] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0035] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0037] like Figure 1-4As shown, the deformable sofa with folding armrests comprises: a sofa seat 1, a folding mechanism, a supporting mechanism and a moving mechanism, wherein a backrest 2 is installed on the top of the back side of the sofa seat 1; the folding mechanism is connected to the side surface of the sofa seat 1 through an axis, and the folding mechanism comprises an armrest 8, a rotating shaft 9 and a rotating seat 7, and the side surface of the armrest 8 is fixedly installed with a rotating shaft 9, and the rotating shaft 9 rotates and penetrates the side surface of the rotating seat 7, and a hand strap 10 is installed on the surface of the armrest 8; the supporting mechanism is installed on the bottom side of the folding mechanism, and the supporting mechanism is used to support the folding mechanism after it is unfolded; the moving mechanism is installed on the bottom side of the sofa seat 1.

[0038] Under the action of the provided moving mechanism, the sofa seat 1 can be pushed and moved, and the position adjustment of the sofa seat 1 is convenient. At the same time, when the armrest 8 is unfolded, the two armrests 8 are unfolded, and the two sofa seats 1 are moved back to back to flatten the armrest 8, thereby adding a seat for the user to sit on the armrest 8. The backrest 5 is moved out along the storage groove 3 provided on the backrest 2, so that the user can lean against the backrest 5 after sitting on the armrest 8, which is convenient for use. The supporting mechanism provided on the bottom side of the armrest 8 makes it convenient for the support plate 11 to stably support the armrest 8 after the armrest 8 is unfolded, thereby improving the stability of the user sitting on the armrest 8. At the same time, when the armrest 8 is folded, the backrest 5 is stored in the storage groove 3, and the support plate 11 is stored in the support groove, thereby saving the space occupied by the sofa.

[0039] There are two sofa seats 1, which are connected by a folding mechanism. There are two armrests 8, which are rotatably connected to the side surface of the sofa seat 1, and the contact surfaces of the two armrests 8 are in contact with each other. A storage groove 3 is provided on the side surface of the backrest 2, and a backboard 5 is slidably connected in the storage groove 3. The storage groove 3 is used for storing and placing the backboard 5. The storage groove 3 is provided so that the armrest 8 can be stored in the backboard 5 through the storage groove 3 during the folding process, and the backboard 5 can be moved out along the storage groove 3 during the unfolding process, and the operation is simple.

[0040] The bottom surface of the storage groove 3 is connected with the limiting groove 4 opened on the bottom side. The side section of the limiting groove 4 is an inverted T-shaped structure. The limiting block 6 is slidably connected in the limiting groove 4. The limiting block 6 is fixedly installed on the bottom surface of the backrest 5. Both ends of the hand strap 10 are fixedly installed on the surface of the armrest 8. The hand strap 10 is made of nylon material, which is convenient for the user to sit on the armrest 8 without being affected by the hand strap 10. The supporting mechanism includes a supporting plate 11, a supporting block 12 and a placement groove 13. The placement groove 13 is opened on the side surface of the sofa seat 1. The inner cavity of the placement groove 13 is slidably connected with the supporting plate 11, and the bottom side of the supporting plate 11 is fixedly connected with the supporting block 12. The bottom side of the placement groove 13 is connected with a slide groove 14. The placement groove 13 is arranged at the same time, so that the support plate 11 is stored in the placement groove 13 when the armrest 8 is folded, which is convenient for use.

[0041] Support blocks 12 are symmetrically installed on the bottom sides of the opposite ends of the support plate 11. The cross-section of the support block 12 is an inverted T-shaped structure. The support block 12 is slidably connected to the inner cavity of the slide groove 14. The top surface of the support plate 11 is in contact with the bottom side of the unfolded armrest 8. The moving mechanism includes a collecting chamber 15, a hydraulic cylinder 16 and a caster 17. The collecting chamber 15 is opened on the bottom surface of the sofa seat 1. A hydraulic cylinder 16 is installed in the collecting chamber 15. The output end of the hydraulic cylinder 16 is fixedly connected to the caster 17. The number of the collecting chambers 15 is four, and the four collecting chambers 15 are located at four corners of the bottom surface of the sofa seat 1. The hydraulic cylinder 16 arranged in the deformable sofa is externally connected to a control switch to realize the synchronous setting of the control switch to the hydraulic cylinder 16. By starting the hydraulic cylinder 16, the hydraulic cylinder 16 pushes the fixedly installed caster 17 to move out of the collecting chamber 15. When the sofa moves, the caster 17 rolls down to facilitate the adjustment of the sofa position.

[0042] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.

[0043] The utility model is not limited to the above-mentioned embodiments. Any changes in shape or structure are within the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the utility model, but these changes and modifications are within the protection scope of the utility model.

Claims

1. A deformable sofa with foldable armrests, characterized in that: The deformable sofa with folding armrests comprises: A sofa seat (1), wherein a backrest (2) is installed on the top of the back side of the sofa seat (1); A folding mechanism, the folding mechanism is connected to the side surface of the sofa seat (1) through an axis, the folding mechanism comprises an armrest (8), a rotating shaft (9) and a rotating seat (7), the side surface of the armrest (8) is fixedly mounted with the rotating shaft (9), the rotating shaft (9) rotates and penetrates the side surface of the rotating seat (7), and a hand strap (10) is mounted on the surface of the armrest (8); A supporting mechanism, the supporting mechanism being installed at the bottom side of the folding mechanism and being used for supporting the folding mechanism after it is unfolded; A moving mechanism is installed on the bottom side of the sofa seat (1).

2. The deformable sofa with foldable armrests according to claim 1, characterized in that: The number of the sofa seats (1) is two, and the two sofa seats (1) are connected via a folding mechanism.

3. The deformable sofa with foldable armrests according to claim 1, characterized in that: There are two armrests (8), which are rotatably connected to the side surface of the sofa seat (1), and the contact surfaces of the two armrests (8) are in close contact with each other.

4. The deformable sofa with foldable armrests according to claim 1, characterized in that: A storage groove (3) is provided on the side surface of the backrest (2), a backrest board (5) is slidably connected in the storage groove (3), and the storage groove (3) is used for storing and placing the backrest board (5).

5. The deformable sofa with foldable armrests according to claim 4, characterized in that: The bottom surface of the receiving groove (3) is connected to a limiting groove (4) provided on the bottom side; the limiting groove (4) has an inverted T-shaped structure in a side view; a limiting block (6) is slidably connected inside the limiting groove (4); and the limiting block (6) is fixedly mounted on the bottom surface of the backing plate (5).

6. The deformable sofa with foldable armrests according to claim 1, characterized in that: Both ends of the hand strap (10) are fixedly mounted on the surface of the armrest (8), and the hand strap (10) is made of nylon material.

7. The deformable sofa with foldable armrests according to claim 1, characterized in that: The support mechanism comprises a support plate (11), a support block (12) and a placement groove (13); the placement groove (13) is arranged on the side surface of the sofa seat (1); the inner cavity of the placement groove (13) is slidably connected to the support plate (11); the bottom side of the support plate (11) is fixedly connected to the support block (12); and the bottom side of the placement groove (13) is connected to a slide groove (14).

8. The deformable sofa with foldable armrests according to claim 7, characterized in that: Support blocks (12) are symmetrically mounted on the bottom sides of the two opposite ends of the support plate (11); the cross section of the support block (12) is an inverted T-shaped structure; the support block (12) is slidably connected to the inner cavity of the slide groove (14); and the top surface of the support plate (11) is in contact with the bottom side of the unfolded armrest (8).

9. The deformable sofa with foldable armrests according to claim 1, characterized in that: The moving mechanism comprises a collecting chamber (15), a hydraulic cylinder (16) and a caster (17); the collecting chamber (15) is opened on the bottom surface of the sofa seat (1); a hydraulic cylinder (16) is installed in the collecting chamber (15); and the output end of the hydraulic cylinder (16) is fixedly connected to the caster (17).

10. The deformable sofa with foldable armrests according to claim 9, characterized in that: The number of the collecting chambers (15) is four, and the four collecting chambers (15) are located at four corners of the bottom side surface of the sofa seat (1).

Citation Information

Patent Citations

  • Anti-static double sofa

    CN209677916U