A roll-up sofa with a removable cover

Abstract

The utility model relates to a roll-up sofa with detachable cover, the body and cover of existing roll-up sofa cannot be split, which affects the use experience. The utility model discloses a body, the body can switch between the unfolded use state and the storage state of flattening and curling, the cover of body has detachable cover, the cover mouth perimeter and the bottom surface perimeter of body are fixed through the connecting component, the body is independently rolled up by detaching the cover, so that the cover inner wall and the body surface are closely combined. The detachable cover is arranged on the body, the body can be independently rolled up, which improves the rolling effect, effectively reduces the volume of the body after rolling up, facilitates storage and transportation, protects the cover, and selects the cover of any material according to the need, improving the use experience.

Description

Technical Field

[0001] This utility model relates to the field of sofas, specifically to a roll-up sofa. Background Technology

[0002] Existing roll-up sofas include a main body and an outer cover. The outer cover is fitted onto the main body and secured with stitching, ensuring a close fit between the inner wall of the outer cover and the outer wall of the main body. Roll-up sofas can switch between an unfolded, usable state and a flattened, rolled-up, storage state, facilitating both normal use and convenient storage and transportation. However, when switching from usable to stored mode, the top and bottom surfaces of the roll-up sofa deform due to the rolling, resulting in a length difference between the top and bottom surfaces. Since the corresponding areas of the outer cover and main body are secured with stitching, they are inseparable. If the outer cover material has poor deformation properties, it will hinder the rolling deformation of the main body. This leads to an increase in the volume of the roll-up sofa in the stored state due to insufficient rolling, affecting storage and transportation convenience. It can also cause damage to the outer cover due to localized tension. Furthermore, it places high demands on the material of the outer cover, limiting users' choices and failing to meet their individual needs, thus impacting the user experience. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a rollable sofa with a detachable outer cover. The detachable outer cover allows the main body to be rolled up individually, improving the rolling effect, effectively reducing the volume of the rolled-up main body, facilitating storage and transportation, protecting the outer cover, and allowing the selection of any material for the outer cover as needed, thus enhancing the user experience.

[0004] This utility model is achieved through the following method: a rollable sofa with a detachable outer cover, comprising a main body that can switch between an unfolded use state and a flattened, rolled-up storage state. A detachable outer cover is fitted onto the main body, and the periphery of the outer cover's opening is fixed to the periphery of the main body's bottom surface via a connecting component. The main body can be independently rolled up by removing the outer cover, ensuring a tight fit between the inner wall of the outer cover and the surface of the main body. The detachable outer cover allows for separate rolling of the main body and the outer cover, improving rolling efficiency, preventing the main body from failing to roll effectively due to insufficient elasticity of the outer cover, effectively reducing the volume of the rolled-up main body, facilitating storage and transportation, protecting the outer cover from excessive stretching during rolling, effectively extending the outer cover's lifespan, and allowing for the selection of any material for the outer cover as needed, reducing the requirements for the outer cover's elasticity, facilitating disassembly, replacement, and tilting, and improving the user experience.

[0005] Preferably, the connecting component is a Velcro strap, comprising a male and a female strip respectively placed on the outer cover and the main body. The male strip is arranged linearly along the periphery of the bottom surface of the main body, and the female strip is located around the opening of the outer cover. The outer cover wraps around the main body and is attached to the bottom surface of the main body through the opening. The male and female strips are respectively placed on the outer cover and the main body, so that they can be fixed together after they are in place, ensuring that the relative position between the outer cover and the main body is fixed, effectively eliminating gaps between them, ensuring that the outline of the main body can be effectively displayed through the outer cover, and preventing local wrinkles and accumulation of the outer cover on the surface of the main body. The female strip is located on the bottom surface of the main body, so that the male and female strips are attached and located below the main body. This not only uses the weight of the main body to compress the male and female strips, improving the anti-detachment performance, but also effectively hides the connecting component, improving the aesthetics.

[0006] Preferably, the female strip is arranged linearly along a straight segment of the periphery of the bottom surface of the body, and the male strip is arranged in a one-to-one correspondence with the female strip. The female strip is long and strip-shaped, and its arrangement along the periphery of the bottom surface of the body effectively reduces the area of ​​the outer cover, eliminating the need to cover the bottom surface of the body and saving the amount of outer cover material. The linear arrangement of the female strip along a straight segment effectively reduces the number of female strips, thereby improving processing efficiency.

[0007] Preferably, the bottom surface of the body includes at least two straight segments arranged along its length. More preferably, male strips are provided on all four edges of the bottom surface of the body, so that after the outer cover is placed on the body, the male strips around the opening of the cover adhere and bond with the corresponding female strips, ensuring that the outer cover does not shift relative to the body.

[0008] Preferably, the female strip and the corresponding straight segment are matched one-to-one, and the female strip and the corresponding straight segment are set to the same length. The female strip and the corresponding straight segment have the same length, allowing the female strip to run through the straight segment, effectively reducing the number of female strips, thereby reducing sewing workload and improving processing efficiency. There are four female strips and four male strips, each corresponding to one of the four straight segments on the bottom surface of the body.

[0009] Preferably, the straight segment has several equidistant parent strips, and the straight segment forms deformation gaps in the area between adjacent parent strips. These deformation gaps assist the body in curling and switching to a retractable state through expansion and contraction deformation, thereby reducing the resistance when the body switches to the retractable state. By setting multiple equidistant parent strips along a linear path on the straight segment, deformation gaps are formed in the area between adjacent parent strips. The body located at these deformation gaps can expand and contract as needed without interference from the parent strips, ensuring that the body can curl and deform to the retractable state. This effectively prevents the body from being unable to curl freely due to the structural strength of the parent strips, and improves the convenience of body deformation switching by reducing curling resistance.

[0010] Preferably, the main body includes a base, a backrest disposed at the rear edge of the base, and armrests disposed at the side edges of the base. The backrest provides support for the user's back, the armrests provide support for the user's hands, and the base provides support for the user, ensuring that the user obtains a comfortable sitting posture and improving comfort.

[0011] Preferably, the inner contour of the outer cover matches the contour of the main body, and the inner cavity includes receiving cavities corresponding to the base, backrest, and armrests. The outer cover completely encloses the main body, and each part of the main body is inserted into the corresponding receiving cavity, ensuring that the surface of the outer cover is flat and fits snugly against the outer wall of the main body. This not only improves aesthetics but also reduces the feeling of foreign objects by eliminating wrinkles, thus improving user comfort.

[0012] Preferably, the connecting component is a zipper, with the outer cover fitted onto the main body and secured by the zipper. The zipper includes two matching chains, which are respectively positioned along the periphery of the outer cover opening and the periphery of the base bottom surface. Using the zipper to secure the outer cover opening and the base bottom surface not only facilitates the installation and removal of the outer cover but also effectively improves connection reliability and prevents the outer cover from detaching from the main body.

[0013] Preferably, the outer cover has an exposed decorative surface, and the material of the outer cover is leather or fabric. The outer cover is detachably installed on the main body, and the user can replace it with an outer cover made of different materials according to usage needs, thereby obtaining different feel and improving usage comfort. The outer cover can also be washed and replaced separately, improving maintenance convenience.

[0014] The beneficial effects of this utility model are as follows: A detachable outer cover is provided on the main body, which allows the main body and the outer cover to be rolled up separately. This improves the rolling effect, prevents the main body from being unable to be rolled up effectively due to the poor elasticity of the outer cover, effectively reduces the volume of the main body after rolling, facilitates storage and transportation, and also protects the outer cover, preventing excessive stretching of the outer cover when the main body is rolled up, effectively extending the service life of the outer cover. In addition, the outer cover can be made of any material as needed, reducing the requirements for the elasticity performance of the outer cover, facilitating disassembly, replacement and tilting, and improving the user experience. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the roll-up sofa when the outer cover is partially warped.

[0016] Figure 2 This is a schematic diagram of the disassembled structure of the roll-up sofa;

[0017] Figure 3 A bottom view of the structure when a single-segment mother strip is used for the main body;

[0018] Figure 4 A bottom view of the structure when multiple mother strips are used for the main body;

[0019] In the diagram: 1. Body, 2. Outer cover, 3. Male strip, 4. Female strip, 5. Backrest, 6. Base, 7. Armrest, 8. Deformation gap. Detailed Implementation

[0020] The essential features of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] like Figure 1 and 2 The illustrated rollable sofa with a detachable outer cover consists of a main body 1 and an outer cover 2. The main body 1 can be switched between an unfolded use state and a flattened, rolled-up storage state. The detachable outer cover 2 covers the main body 1, and the periphery of the opening of the outer cover 2 is fixed to the periphery of the bottom surface of the main body 1 by a connecting component, so that the inner wall of the outer cover 2 fits tightly against the surface of the main body 1. The detachable outer cover 2 on the main body 1 allows for separate rolling of the main body 1 and the outer cover 2, improving the rolling effect, preventing the main body 1 from being unable to be rolled effectively due to the poor elasticity of the outer cover 2, effectively reducing the volume of the rolled-up main body 1, facilitating storage and transportation, and also protecting the outer cover 2 from excessive stretching during rolling, effectively extending the service life of the outer cover 2. Furthermore, the outer cover 2 can be made of any material as needed, reducing the requirements for its elasticity, facilitating disassembly, replacement, and tilting, and improving the user experience.

[0022] In practice, the main body 1 can be rolled up to reduce its volume, and the outer cover 2 can be folded to reduce its volume, thus facilitating storage and transportation. During the rolling process, the main body 1 is first vertically compressed to reduce its thickness. Then, the flattened main body 1 is rolled up, forming a cylindrical shape with a smaller volume. The main body 1 is rolled along its length from the bottom, ensuring that the width of the bottom corresponds to the height after rolling, effectively reducing the difference in length, width, and height after rolling, thus facilitating storage and transportation.

[0023] In actual operation, the main body 1 includes a base 6, a backrest 5 located at the rear edge of the base 6, and armrests 7 located at the side edge of the base 6. The base 6 supports the user, and the backrest 5 and armrests 7 provide support for the user, offering comfortable seating support and effectively improving user comfort. The inner contour of the outer cover 2 matches the contour of the main body 1. The inner cavity includes receiving cavities corresponding to the base 6, backrest 5, and armrests 7, and these cavities are interconnected, facilitating the movement of the main body 1 relative to the outer cover 2 and moving the backrest 5, armrests 7, and base 6 into their respective receiving cavities.

[0024] In actual operation, the connecting component is a Velcro strap, including a male strip 3 and a female strip 4 respectively placed on the outer cover 2 and the main body 1. The male strip 3 is arranged linearly along the periphery of the bottom surface of the main body 1, and the female strip 4 is set at the periphery of the opening of the outer cover 2. The outer cover 2 wraps around the main body 1 and is attached to the bottom surface of the main body 1 through the opening. During installation, firstly, the outer cover 2 is placed on the main body 1 from top to bottom through the opening, so that the backrest 5 and the armrest 7 are inserted into the corresponding receiving cavities; then, the opening of the outer cover 2 is pulled so that the inner wall of the outer cover 2 matches and fits the outer wall of the main body 1, and the periphery of the opening is pulled to the bottom of the main body 1; finally, the male strip 3 at the periphery of the opening covers and adheres to the corresponding female strip 4 on the bottom surface of the main body 1.

[0025] After installation, the opening of the outer cover 2 is fixed to the bottom edge of the main body 1. The inner wall of the outer cover 2 matches and fits the outer wall of the main body 1, which restricts the outer cover 2 and prevents it from sliding relative to the main body 1 due to the user's pulling. This ensures that all areas of the outer cover 2 remain flat, improves aesthetics, and eliminates the feeling of foreign objects by reducing wrinkles.

[0026] In actual operation, the female strip 4 is linearly arranged along the straight line segment around the bottom periphery of the body 1, and the male strip 3 is arranged in a one-to-one correspondence with the female strip 4. The bottom surface of the body 1 includes at least two straight line segments arranged along its length direction. Specifically, the female strip 4 is matched one-to-one with the straight line segment (e.g., ...). Figure 3 As shown), the mother strip 4 is set to the same length as the corresponding straight segment. When the bottom surface of the body 1 is rectangular, there are four mother strips 4, which are laid through the four edges of the bottom surface of the body 1 respectively. This allows each section around the cover opening to be bonded and fixed to the corresponding mother strip 4 by the male strip 3. This ensures that the cover opening is completely bonded to the bottom surface of the body 1 to achieve the sealing operation, preventing the cover opening from being partially exposed, which would affect the reliability of the bonding and also affect the aesthetics.

[0027] In practice, the outer cover 2 forms an exposed decorative surface, and the material of the outer cover 2 is either leather or fabric, both of which should be considered specific embodiments of this utility model. Since the outer cover 2 is detachable and can be folded independently, the material of the outer cover 2 can be selected from non-elastic leather or fabric as needed to meet usage requirements.

[0028] Understandably, the straight segment is provided with a plurality of equally spaced parent strips 4, and the straight segment forms a deformation gap 8 in the region between adjacent parent strips 4 (e.g., Figure 4As shown, the deformation gap 8 assists the body 1 in switching to the storage state through expansion and contraction deformation, thereby reducing the resistance when the body 1 switches to the storage state. This should also be considered a specific embodiment of this utility model. Specifically, multiple female strips 4 equidistantly spaced along the same straight line can be set on the straight segment, and male strips 3 are continuously laid at the opening of the outer cover 2. This simplifies processing and improves processing efficiency by reducing the number of male strips 3, and also allows the body 1 to have multiple female strips 4 to obtain the deformation gap 8. This allows the bottom surface of the body 1 to expand and contract using the deformation gap 8, ensuring that the body 1 will not be unable to extend due to the excessive length of the female strips 4 during the flattening and rolling process. This effectively reduces the rolling resistance of the body 1, thereby facilitating the rolling process.

[0029] Understandably, the connecting component is a zipper, with the outer cover 2 covering the body 1 and fixed by the zipper. The zipper includes two matching chains, which are respectively arranged along the periphery of the opening of the outer cover 2 and the periphery of the bottom surface of the base 6. This should also be regarded as a specific embodiment of the present utility model.

Claims

1. A rollable sofa with a detachable outer cover, comprising a body (1), the body (1) being switchable between an unfolded use state and a flattened, rolled-up storage state, characterized in that, The main body (1) is covered with a detachable outer cover (2), and the periphery of the opening of the outer cover (2) is fixed to the periphery of the bottom surface of the main body (1) by a connecting component, so that the inner wall of the outer cover (2) is in close contact with the surface of the main body (1).

2. A roll-up sofa with a detachable outer cover according to claim 1, characterized in that, The connecting component is a Velcro strap, including a male strip (3) and a female strip (4) placed on the outer cover (2) and the body (1) respectively. The male strip (3) is arranged linearly along the periphery of the bottom surface of the body (1), and the female strip (4) is set at the periphery of the opening of the outer cover (2). The outer cover (2) wraps around the body (1) and is pasted on the bottom surface of the body (1) through the opening.

3. A roll-up sofa with a detachable outer cover according to claim 2, characterized in that, The female strip (4) is arranged linearly along the straight line segment around the bottom edge of the body (1), and the male strip (3) is set one-to-one with the female strip (4).

4. A roll-up sofa with a detachable outer cover according to claim 3, characterized in that, The bottom surface of the body (1) includes at least two straight segments arranged along its length.

5. A roll-up sofa with a detachable outer cover according to claim 4, characterized in that, The mother strip (4) is matched one by one with the straight segment, and the mother strip (4) and the corresponding straight segment are set to the same length; or, the straight segment is provided with a number of mother strips (4) that are equally spaced apart, and the straight segment is located in the area between adjacent mother strips (4) to form a deformation gap (8). The deformation gap (8) assists the body (1) to curl and switch to the storage state through expansion and contraction deformation, so as to reduce the resistance when the body (1) switches to the storage state.

6. A roll-up sofa with a detachable outer cover according to claim 1, characterized in that, The connecting component is a zipper, and the outer cover (2) covers the body (1) and is fixed by the zipper.

7. A roll-up sofa with a detachable outer cover according to claim 6, characterized in that, The zipper includes two matching chains, which are respectively arranged along the periphery of the opening of the outer cover (2) and the periphery of the bottom surface of the base (6).

8. A roll-up sofa with a detachable outer cover according to any one of claims 1-7, characterized in that, The main body (1) includes a base (6), a backrest (5) disposed at the rear edge of the base (6), and an armrest (7) disposed at the side edge of the base (6).

9. A roll-up sofa with a detachable outer cover according to claim 8, characterized in that, The inner contour of the outer cover (2) matches the contour of the body (1), and the inner cavity includes receiving cavities that correspond one by one to the base (6), backrest (5) and armrest (7).

10. A roll-up sofa with a detachable outer cover according to any one of claims 1-7, characterized in that, The outer cover (2) has an exposed decorative surface, and the material of the outer cover (2) is leather or fabric.

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