Detachable sofa
By using the bonding method of the wool surface layer and the wool hook between the sofa base and the backrest assembly, the problem of fixing the installation position of the existing sofa backrest is solved, making the sofa easy to disassemble and the flexible placement of the backrest assembly improved the applicability and comfort of the sofa.
Patent Information
- Application Number
- CN202422085915.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing detachable sofa is fixed in the backrest installation position, and has low applicable performance and is difficult to meet various usage needs.
By setting a wool surface layer on the sofa base and setting a wool hook on the outer cloth bag of the backrest assembly, the backrest assembly is fixed to the sofa base by bonding, so as to facilitate disassembly and replace the placement position of the backrest assembly.
The design expands the use area of the sofa base, improves the suitability and comfort of the sofa, and enhances the connection strength between the backrest assembly and the sofa base.
Smart Images

Figure CN223025704U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of furniture products, in particular to a detachable sofa. Background Art
[0002] With the improvement of people's living standards, sofas have entered thousands of households. Whether in ordinary families or in offices, it is necessary to place one or even several sofas. However, there are more and more sofas with detachable backrests on the market at present. For example, Chinese Patent CN200820167062.1 discloses a sofa with a detachable backrest, which is composed of a backrest and a base. The backrest is connected to the base through a first detachable structure, and a hollow matching the shape of the backrest is arranged inside the base. The backrest of the sofa can be inserted into the hollow inside the base to reduce the occupied space in the use state. An opening can be arranged at the bottom of the hollow to facilitate putting the backrest into the hollow after disassembly. A support rod is arranged at the upper part opposite thereto. In order to make users more comfortable when using the sofa, a seat cushion is arranged on the support rod. The opening can also be arranged at the upper part of the hollow. The opening is connected with a support rod through a second detachable structure, and a seat cushion is arranged on the support rod. Armrests are arranged on both sides of the base to make users more comfortable. This sofa is disassembled and assembled through the cooperation of a spring pin and a clamping groove, but the installation position of its backrest is fixed and its applicability is low. Summary of the Utility Model
[0003] In view of this, the utility model provides a detachable sofa to solve the above problems.
[0004] A detachable sofa includes a support base, a sofa base arranged on the support base, and at least two backrest assemblies arranged on the sofa base. A layer of hair surface layer is arranged on one side of the sofa base far away from the support base. The surface of the hair surface layer has fine and soft fiber round hairs. The backrest assembly includes an outer surface cloth bag, a heavy block arranged inside the outer surface cloth bag, and a flexible filler filled between the heavy block and the outer surface cloth bag. The cross-sectional shape of the side surface of the outer surface cloth bag is a right trapezoid, and the corners of the outer surface cloth bag are arc-shaped. A number of hair hooks are densely arranged on the side surface of the outer surface cloth bag facing the sofa base, and the cross-sectional shape of its side surface is a right trapezoid. And the volume of the heavy block is smaller than the volume of the outer surface cloth bag after being completely filled. The surface of the side of the heavy block facing the sofa base abuts against the inner wall of the outer surface cloth bag.
[0005] Further, the support base includes at least two support plates, two armrest plates arranged on both sides of the support plates, and two storage plates respectively arranged on one side of the two armrest plates.
[0006] Further, the two support plates are arranged in parallel at intervals, and the transverse section thereof is concave on the side facing the sofa base, so as to form a concave portion for embedding the sofa base.
[0007] Further, a woolen pad is pasted on the armrest plate, and both ends of one armrest plate are fixedly connected to both ends of the same side of the two support plates respectively.
[0008] Further, the storage plate is arranged on the side of the armrest plate facing the support plate, and the plane where it is located is parallel to the plane where the armrest plate is located.
[0009] Further, both ends of the storage plate are respectively fixedly abutted against the opposite sides of the two support plates.
[0010] Further, the flexible filler is made of down, cotton, and silk.
[0011] Compared with the prior art, the detachable sofa provided by the present invention fixes the backrest assembly on the sofa base through the bonding manner between the hook-and-loop fasteners on the outer surface cloth bag and the hook-and-loop surface layer on the sofa base, and this bonding manner is convenient for disassembly, thereby expanding the use area of the sofa base, and can also change the placement position of the backrest assembly, and further improving the applicability of the sofa. The heavy block can further enhance the connection strength between the backrest assembly and the sofa base, so that the user can safely lean on the backrest assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic structural diagram of the detachable sofa provided by the present invention.
[0013] Figure 2 is Figure 1 a schematic plan view of the sofa base of the detachable sofa.
[0014] Figure 3 is Figure 1 a schematic cross-sectional view of the backrest assembly of the detachable sofa. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0015] The following further details the specific embodiments of the present invention. It should be understood that the description of the embodiments of the present invention herein is not intended to limit the protection scope of the present invention.
[0016] Such as Figure 1As shown in the figure, it is a schematic structural diagram of a detachable sofa provided by the present utility model. The detachable sofa includes a bracket base 10, a sofa base 20 disposed on the bracket base 10, and at least two backrest assemblies 30 disposed on the sofa base 20. It can be imagined that the detachable sofa further includes some other functional modules, such as a filling module, a sewing module, etc., which are well-known technologies to those skilled in the art and will not be elaborated herein one by one.
[0017] Please refer to Figure 2 and Figure 3 , the bracket base 10 includes at least two support plates 11, two armrest plates 12 disposed on both sides of the support plates 11, and two storage plates 13 respectively disposed on one side of the two armrest plates 12.
[0018] The two support plates 11 are arranged in parallel at intervals, and the cross-section thereof is concave toward the side of the sofa base 20 to form a recess for embedding the sofa base 20, so as to support the sofa base 20.
[0019] The armrest plates 12 are fixedly disposed on the two support plates 11 by means of screws or tenon joints, etc., to fixedly connect the two support plates 11. Both ends of one armrest plate 12 are fixedly connected to both ends of the same side of the two support plates 11, so as to fixedly connect the two support plates 11 in a parallel and upright manner to the ground, thereby supporting the sofa base 20.
[0020] A wool mat is pasted on the armrest plate 12 to cover the screw holes, thereby improving the aesthetic degree, and the wool mat can bring a better comfortable experience to people.
[0021] The storage plate 13 is disposed on the side of the armrest plate 12 facing the support plate 11, and the plane thereof is parallel to the plane of the armrest plate 12. Both ends of the storage plate 13 are respectively fixedly abutted against the opposite sides of the two support plates 11, so that while strengthening the structural strength of the entire bracket base 10, items can also be placed on the storage plate 13 to provide a storage space.
[0022] The sofa base 20 is arranged in a rectangular shape and is embedded in the recess formed by the two support plates 11, and it has a certain structural strength to support the weight of the user. A wool surface layer 21 is provided on the side of the sofa base 20 away from the bracket base 10. The surface of the wool surface layer 21 has fine and soft fiber round hairs, so that while providing a comfortable contact experience to people, it can also be combined with the backrest assembly 30 to fix the backrest assembly 30. The combination situation of the wool surface layer 21 and the backrest assembly 30 will be described below.
[0023] The backrest assembly 30 includes an outer cloth bag 31, a weight 32 disposed inside the outer cloth bag 31, and a flexible filler 33 filled between the weight 32 and the outer cloth bag 31.
[0024] The outer cloth bag 31 is sewn from fabric or leather. This sewing technique is prior art and will not be elaborated here.
[0025] The side cross-sectional shape of the outer cloth bag 31 is a right trapezoid, and the corners of the outer cloth bag 31 are arc-shaped to prevent scratching the human body at the sharp corners and avoid discomfort to the user. A number of hook-and-loop fasteners 34 are densely arranged on the side of the outer cloth bag 31 facing the sofa base 21. The hook-and-loop fasteners 34 are mainly hard barbed hairs with hooks. In this way, when the outer cloth bag 31 is placed on the sofa base 20 and subjected to a certain lateral force, male and female parts are buckled together to complete the adhesive connection between the two. The bonding method similar to Velcro between the outer cloth bag 31 and the sofa base 20 can facilitate the disassembly of the two, thereby expanding the use area of the sofa base 20 and also being able to change the placement position of the backrest assembly 30, thereby improving the applicability of the sofa.
[0026] The inclination angle of the inclined surface of the outer cloth bag 31 is between 110° and 120°, and the inclined surface is concave. In this way, under the condition of conforming to ergonomics, the best leaning experience is brought to the user.
[0027] The weight 32 is mainly made of a metal material with a certain weight. The cross-sectional shape of its side is a right trapezoid, and the volume of the weight 32 is smaller than the volume of the outer cloth bag 31 after being filled. Thus, after the weight 32 is placed in the outer cloth bag 31, a gap for filling the flexible filler 33 can be generated between the two.
[0028] The surface of the side of the weight 32 facing the sofa base 20 abuts against the inner wall of the outer cloth bag 31. In this way, when the backrest assembly 30 is placed on the sofa base 20, the connection strength between the backrest assembly 30 and the sofa base 20 can be further enhanced by relying on the gravity of the weight 32 itself, allowing the user to rest assured and safely lean on the backrest assembly 30.
[0029] The flexible filler 33 can be made of down, cotton, or silk. It has high softness and elasticity, and can absorb the hot air emitted and flowing from the human body and isolate the invasion of cold air from the outside, making the rest person feel comfortable and gentle when pillow and lean on.
[0030] Compared with the prior art, the detachable sofa provided by the utility model fixes the backrest assembly 30 on the sofa base 20 through the bonding manner between the hook-and-loop fasteners 34 on the outer cloth bag 31 and the hook-and-loop surface layer 21 on the sofa base 20. And this bonding manner is convenient for disassembly, thereby expanding the usage area of the sofa base 20, and can also change the placement position of the backrest assembly 30, thereby improving the applicability of the sofa. The weight 32 can further strengthen the connection strength between the backrest assembly 30 and the sofa base 20, enabling the user to safely lean on the backrest assembly 30 with confidence.
[0031] The above are only the preferred embodiments of the utility model and are not used to limit the protection scope of the utility model. Any modifications, equivalent replacements or improvements within the spirit of the utility model are covered within the scope of the claims of the utility model.
Claims
1. A detachable sofa, characterized in that: The detachable sofa comprises a support seat, a sofa base arranged on the support seat, and at least two backrest components arranged on the sofa base. A fleece layer is arranged on the side of the sofa base away from the support seat, and the surface of the fleece layer has fine and soft fiber round hair. The backrest component comprises an outer cloth bag, a weight block arranged inside the outer cloth bag, and a flexible filler filled between the weight block and the outer cloth bag. The side cross-section shape of the outer cloth bag is a right-angled trapezoid, and the corners of the outer cloth bag are arc-shaped. A plurality of fur hooks are densely arranged on the side of the outer cloth bag facing the sofa base, and the side cross-section shape is a right-angled trapezoid. The volume of the weight block is smaller than the volume of the outer cloth bag after filling, and the surface of the weight block on the side facing the sofa base abuts against the inner wall of the outer cloth bag.
2. The detachable sofa according to claim 1, characterized in that: The bracket seat includes at least two support plates, two armrest plates arranged on both sides of the support plates, and two storage plates respectively arranged on one side of the two armrest plates.
3. The detachable sofa according to claim 2, characterized in that: The two support plates are arranged in parallel with each other at an interval, and the side of the transverse cross section thereof facing the sofa base is concave to form a concave portion for embedding the sofa base.
4. The detachable sofa according to claim 2, characterized in that: The armrest plate is provided with a wool pad, and two ends of one armrest plate are respectively fixedly connected to two ends of the same side of the two support plates.
5. The detachable sofa according to claim 2, characterized in that: The storage plate is arranged on a side of the armrest plate facing the support plate, and the plane where the storage plate is located is parallel to the plane where the armrest plate is located.
6. The detachable sofa according to claim 2, characterized in that: The two ends of the storage plate are respectively fixedly abutted against the opposite sides of the two support plates.
7. The detachable sofa according to claim 1, characterized in that: The flexible filling material is made of down, cotton and silk.
Citation Information
Patent Citations
Sofa with detachable back
CN201324044Y