Massage backrest of sofa

Abstract

The utility model discloses a massage backrest of a sofa, which comprises a first side plate, a second side plate and a first cross beam, the first side plate and the second side plate are integrally formed through a blow molding process, and the first cross beam is manufactured through an injection molding process. The massage backrest provided by the utility model can realize automatic and large-scale production, so that the production cost is reduced, and the waste and loss of materials can be reduced. Secondly, fixing pieces are installed at the two ends of the first cross beam; the first side plate and the second side plate are correspondingly provided with concave parts, at least one inserting groove is formed in each concave part, and at least one part of the fixing piece is embedded in the inserting groove. According to the design, the concave parts are matched with the inserting grooves, the limiting effect on the fixing pieces can be achieved, the supporting effect is achieved, it is ensured that the first cross beam can be stably fixed between the first side plate and the second side plate, deviation or shaking is avoided, and the stability of the massage backrest is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of sofas, and more specifically to a massage backrest of a sofa. Background Art

[0002] In the manufacturing process of sofas, the traditional sofa backrest is mainly supported by wood boards and wooden squares as the main structure, and then the springs are firmly installed on the wooden frame backrest. The springs become the key source of comfort and elasticity of the sofa backrest. In order to ensure the firm connection between the spring and the wooden frame backrest, the nail fixing technology is usually adopted, that is, the spring and the wooden frame are tightly fixed together using special nails, so as to ensure that the sofa backrest will not loosen or deform during use. However, although this traditional sofa backrest manufacturing process has been widely used in the past, it has gradually exposed some limitations in the modern production environment.

[0003] First, as a natural material, the supply and quality of wood are affected by seasons and regions, which can easily lead to unstable production costs and fluctuations in quality. Secondly, traditional woodworking equipment requires a lot of capital investment, and the noise and waste generated during the operation of the equipment cause certain pollution to the environment. In addition, the traditional sofa backrest is generally made of wooden frames. Starting from logs or boards, machines or hand tools are used to cut wood into parts that meet the structural requirements of the sofa backrest according to the design drawings. This requires high skills in craftsmanship and operators. If the operation is improper, it is easy to cause material waste. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a massage backrest for a sofa, so as to solve the problems of high production cost and great assembly difficulty of the prior sofa backrest.

[0005] The technical solution of the utility model is as follows: A massage backrest for a sofa, comprising:

[0006] first side panel;

[0007] A second side panel, wherein the first side panel and the second side panel are arranged opposite to each other, and the first side panel and the second side panel are integrally formed by a blow molding process;

[0008] A first crossbeam, wherein the first crossbeam is made by an injection molding process, and fixing members are installed at both ends of the first crossbeam;

[0009] Wherein, the first side plate and the second side plate are both provided with a recessed portion for matching and installing with the fixing member, at least one plug-in slot is provided in the recessed portion, and at least a part of the fixing member is embedded in the plug-in slot.

[0010] Furthermore, the fixing member includes a first base and a second base, the first base and the second base are an integral structure, the first base is embedded in the first beam, and at least a portion of the second base is embedded in the recessed portion.

[0011] Furthermore, the first base and the second base are arranged at 90 degrees.

[0012] Furthermore, the first base includes a base and a column arranged in the base, a plurality of reinforcing ribs are arranged on the periphery of the column for being fixedly connected to the base, a first mounting hole is arranged in the column coaxially with the column, a second mounting hole is correspondingly arranged on the first crossbeam, and the first mounting hole and the second mounting hole cooperate to be used for inserting fasteners.

[0013] Furthermore, the outer wall of the base body is provided with a locking protrusion arranged along the length direction of the base body, and the locking protrusion is in contact with the inner wall of the first crossbeam.

[0014] Furthermore, the second base includes a main body and a mounting column arranged in the main body, a plurality of reinforcing ribs are arranged between the mounting column and the main body, at least a portion of the mounting column is inserted into the plug-in slot, a third mounting hole coaxially arranged with the mounting column is arranged in the mounting column, the first side panel and the second side panel are both provided with a fourth mounting hole matching the third mounting hole, and the fourth mounting hole is located in the plug-in slot.

[0015] Furthermore, it also includes a second crossbeam and a massage mechanism, the second crossbeam is arranged between the first side plate and the second side plate, and the massage mechanism is fixedly installed on the second crossbeam.

[0016] Furthermore, the second cross beam is provided with a recessed position for installing the massage mechanism, and two supporting rods arranged opposite to each other are arranged in the recessed position, and the massage mechanism is fixedly installed on the supporting rods.

[0017] Furthermore, both ends of the second cross beam are provided with L-shaped fixing plates, one side of the L-shaped fixing plate is provided with a plurality of protrusions, and the other side of the L-shaped fixing plate is provided with grooves in areas corresponding to the protrusions.

[0018] Furthermore, the massage mechanism is provided with a plurality of massage heads, and the plurality of massage heads are evenly arranged.

[0019] The utility model according to the above scheme has the following beneficial effects:

[0020] (1) The massage backrest of a sofa provided by the utility model comprises a first side panel, a second side panel and a first cross beam. The first side panel and the second side panel are made by a blow molding process, which can not only ensure that the first side panel and the second side panel have uniform wall thickness and consistent internal structure during the molding process, thereby improving the structural strength and stability of the first side panel and the second side panel, but also the blow molding process can manufacture the first side panel and the second side panel with complex shapes, so that the massage backrest can be assembled conveniently and quickly, thereby reducing the production cost. Secondly, the first cross beam is made by an injection molding process, which can ensure that the first cross beam has accurate dimensions and a smooth surface, and only requires a set of molds to achieve mass production. Compared with the sofa backrest made of traditional wooden boards and wooden squares, the massage backrest of a sofa provided by the utility model can be automated and mass-produced, thereby reducing the production cost and reducing the waste and loss of materials. At the same time, since the first side panel, the second side panel and the first cross beam are made by a molding process, there is no need for complex post-processing, such as cutting and grinding, which further reduces the production cost.

[0021] (2) The utility model provides a massage backrest for a sofa, wherein both ends of the first crossbeam are equipped with fixings; wherein the first side panel and the second side panel are both provided with a recessed portion for matching with the fixings, and at least one plug-in slot is provided in the recessed portion, and at least a part of the fixings is embedded in the plug-in slot. With such a design, the recessed portion and the plug-in slot cooperate, so that the first side panel and the second side panel can not only limit the fixings at both ends of the first crossbeam, but also play a supporting role, ensuring that the first crossbeam can be firmly fixed between the first side panel and the second side panel without offset or shaking, thereby enhancing the stability of the massage backrest. At the same time, workers do not need to use complicated tools or perform cumbersome operations, but only need to align the fixings with the plug-in slots and embed them therein, and then screw in fasteners (bolts, screws) to fix the fixings on the first side panel or the second side panel, which not only speeds up the assembly speed but also reduces the assembly difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a structural schematic diagram of a massage backrest of a sofa in an embodiment of the utility model;

[0024] Figure 2 It is a schematic diagram of the structural decomposition of a massage backrest of a sofa in an embodiment of the utility model;

[0025] Figure 3 This is a schematic structural diagram of the first side plate in an embodiment of the utility model;

[0026] Figure 4 It is a structural schematic diagram of a fixing member in an embodiment of the utility model;

[0027] Figure 5 It is a schematic diagram of the installation of the second cross beam and the L-shaped fixing plate in the embodiment of the utility model.

[0028] In the figure, 1, first side panel; 2, second side panel; 1a, recessed portion; 2a, plug-in slot; 3a, fourth mounting hole; 3, first cross beam; 31, second mounting hole; 4, fixing piece; 41, first base; 411, base; 4111, clamping protrusion; 412, column; 4121, first mounting hole; 42, second base; 421, main body; 422, mounting column; 4221, third mounting hole; 5, second cross beam; 51, recessed portion; 6, massage mechanism; 61, massage head; 7, support rod; 8, L-shaped fixing plate; 81, raised portion; 82, groove. DETAILED DESCRIPTION

[0029] The following detailed description and drawings of the embodiments of the present invention are used to illustrate the principle of the present invention, but cannot be used to limit the scope of the present invention, that is, the present invention is not limited to the embodiments described.

[0030] In order to better understand the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0031] See also Figures 1-2 As shown, a massage backrest of a sofa provided by an embodiment of the utility model comprises a first side panel 1, a second side panel 2 and a first cross beam 3, wherein two first cross beams 3 are provided, wherein one first cross beam 3 is mounted on the top of the first side panel 1 and the second side panel 2, and the other first cross beam 3 is mounted at a middle lower position of the first side panel 1 and the second side panel 2.

[0032] In this embodiment, the first side panel 1 and the second side panel 2 are arranged relative to each other. Such a design not only ensures the structural symmetry of the massage backrest, but also provides a balanced support force, thereby improving the comfort of the user. Specifically, the first side panel 1 and the second side panel 2 are integrally formed by a blow molding process; the first crossbeam 3 is made by an injection molding process. Such a design ensures that the first side panel 1 and the second side panel 2 have uniform wall thickness and high structural strength, so that they can withstand various pressures and impacts in daily use. In addition, compared with the sofa backrest made of traditional wooden boards and wooden squares, the massage backrest provided by the utility model only needs to be mass-produced through a set of molds, and can realize automation and large-scale production, thereby reducing production costs and reducing material waste and loss. At the same time, since the first side panel 1, the second side panel 2 and the first crossbeam 3 are made by a molding process, there is no need for complex post-processing, such as cutting, polishing, etc., which further reduces production costs.

[0033] See also Figure 3 As shown, in this embodiment, fixing members 4 are installed at both ends of the first crossbeam 3, and the first side panel 1 and the second side panel 2 are both provided with a recessed portion 1a for matching and installing with the fixing member 4, and at least one plug-in groove 2a is provided in the recessed portion 1a, and at least a part of the fixing member 4 is embedded in the plug-in groove 2a.

[0034] Specifically, the concave portion 1a and the plug-in slot 2a cooperate, so that the first side plate 1 and the second side plate 2 can not only limit the fixing member 4 located at both ends of the first crossbeam 3, but also play a supporting role, ensuring that the first crossbeam 3 can be firmly fixed between the first side plate 1 and the second side plate 2 without offset or shaking, thereby enhancing the stability of the massage backrest. At the same time, workers do not need to use complex tools or perform cumbersome operations, but only need to align the fixing member 4 with the plug-in slot 2a and embed it therein, and then screw in the fastener (bolt, screw) to fix the fixing member 4 on the first side plate 1 or the second side plate 2, which not only speeds up the assembly speed, but also reduces the assembly difficulty.

[0035] See also Figure 4 As shown, the fixing member 4 includes a first base 41 and a second base 42, which are made by an integral molding process, the first base 41 is embedded in the first cross beam 3, and at least a portion of the second base 42 is embedded in the recessed portion 1a. Preferably, the first base 41 and the second base 42 are arranged at 90 degrees.

[0036] In this embodiment, the first base 41 includes a base 411 and a column 412 disposed in the base 411. The outer periphery of the column 412 is provided with a plurality of reinforcing ribs for fixedly connecting with the base 411. The plurality of reinforcing ribs increase the connection strength between the column 412 and the base 411, and improve the overall stability of the first base 41. Among them, a first mounting hole 4121 coaxially arranged with the column 412 is provided in the column 412, and a second mounting hole 31 is correspondingly provided in the first crossbeam 3. The first mounting hole 4121 and the second mounting hole 31 cooperate to be used for inserting a fastener. During installation, the fasteners only need to be inserted into the corresponding first mounting hole 4121 and the second mounting hole 31 to realize the installation of the fixing member 4, without complicated operation steps, simplifying the installation process.

[0037] Preferably, the outer wall of the base 411 is provided with a latching protrusion 4111 arranged along the length direction of the base 411, and the latching protrusion 4111 contacts the inner wall of the first crossbeam 3. Such a design enables the base 411 to be inserted into the first crossbeam 3, and the latching protrusion 4111 can come into contact with the inner wall of the crossbeam to form an additional fixing point.

[0038] See also Figure 4 As shown, the second base 42 in the embodiment of the utility model includes a main body 421 and a mounting column 422 arranged in the main body 421, and a plurality of reinforcing ribs are arranged between the mounting column 422 and the main body 421, and the reinforcing ribs can effectively disperse and resist various stresses from the outside or the inside, and prevent the second base 42 from deforming, thereby improving the durability and reliability of the entire fixing member 4. In this embodiment, at least a part of the mounting column 422 is inserted into the plug-in slot 2a, and a third mounting hole 4221 coaxially arranged with the mounting column 422 is arranged in the mounting column 422, and the first side plate 1 and the second side plate 2 are both provided with a fourth mounting hole 3a matched with the third mounting hole 4221, and the fourth mounting hole 3a is located in the plug-in slot 2a. This design allows the second base 42 to be firmly connected to the first side plate 1 or the second side plate 2 by bolts, screws or other fasteners.

[0039] See also Figure 1As shown, a massage backrest of a sofa provided by an embodiment of the utility model further includes a second crossbeam 5 and a massage mechanism 6. The second crossbeam 5 is arranged between the first side panel 1 and the second side panel 2, and the massage mechanism 6 is fixedly mounted on the second crossbeam 5. Specifically, the second crossbeam 5 is provided with a recessed position 51 for mounting the massage mechanism 6, and two support rods 7 arranged opposite to each other are arranged in the recessed position 51, and the massage mechanism 6 is fixedly mounted on the support rods 7. In this design, by setting the recessed position 51 on the second crossbeam 5, accurate positioning is provided for the installation of the massage mechanism 6. At the same time, through the two support rods 7 arranged opposite to each other, the massage mechanism 6 can be stably mounted on the second crossbeam 5, and the massage mechanism 6 is embedded in the recessed position 51, avoiding the discomfort caused to the user by the excessive protrusion of the massage mechanism 6. The massage mechanism 6 is embedded in the recessed position 51, so that it can better fit the body curve of the user when in use, thereby improving the user's comfort experience.

[0040] See also Figure 5 As shown, L-shaped fixing plates 8 are provided at both ends of the second cross beam 5 , a plurality of protrusions 81 are provided on one side of the L-shaped fixing plate 8 , and a groove 82 is provided in the area corresponding to the protrusions 81 on the other side of the L-shaped fixing plate 8 .

[0041] Preferably, the massage mechanism 6 is provided with a plurality of massage heads 61 , and the plurality of massage heads 61 are evenly arranged.

[0042] The indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when used, or the orientation or position relationship commonly understood by technical personnel in this field, or the orientation or position relationship in which the product of the application is usually placed when used. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0043] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

[0044] The above is an exemplary description of the utility model patent in conjunction with the accompanying drawings. It is obvious that the implementation of the utility model patent is not limited to the above-mentioned method. As long as various improvements are made by adopting the method concept and technical solution of the utility model patent, or the concept and technical solution of the utility model patent are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A massage backrest for a sofa, characterized in that: include: A first side panel (1); A second side panel (2), wherein the first side panel (1) and the second side panel (2) are arranged opposite to each other, and the first side panel (1) and the second side panel (2) are integrally formed by a blow molding process; A first crossbeam (3), the first crossbeam (3) being manufactured by an injection molding process, and fixing members (4) being installed at both ends of the first crossbeam (3); a second crossbeam (5); A massage mechanism (6), wherein the second cross beam (5) is arranged between the first side plate (1) and the second side plate (2), and the massage mechanism (6) is fixedly mounted on the second cross beam (5); The second crossbeam (5) is provided with a recessed position (51) for installing the massage mechanism (6), two support rods (7) arranged opposite to each other are arranged in the recessed position (51), and the massage mechanism (6) is fixedly installed on the support rods (7); Wherein, the first side plate (1) and the second side plate (2) are both provided with a recessed portion (1a) for matching with the fixing member (4) for installation, and at least one insertion groove (2a) is provided in the recessed portion (1a), and at least a part of the fixing member (4) is embedded in the insertion groove (2a).

2. The massage backrest of a sofa as claimed in claim 1, characterized in that: The fixing member (4) comprises a first base (41) and a second base (42); the first base (41) and the second base (42) are an integral structure; the first base (41) is embedded in the first cross beam (3); and at least a portion of the second base (42) is embedded in the recessed portion (1a).

3. The massage backrest of a sofa as claimed in claim 2, characterized in that: The first base (41) and the second base (42) are arranged at 90 degrees.

4. The massage backrest of a sofa as claimed in claim 2, characterized in that: The first base (41) comprises a base (411) and a column (412) arranged in the base (411); a plurality of reinforcing ribs are arranged on the periphery of the column (412) for being fixedly connected to the base (411); a first mounting hole (4121) is arranged in the column (412) and is coaxial with the column (412); a second mounting hole (31) is correspondingly arranged in the first crossbeam (3); the first mounting hole (4121) and the second mounting hole (31) cooperate with each other for inserting a fastener.

5. The massage backrest of a sofa as claimed in claim 4, characterized in that: The outer wall of the base (411) is provided with a latching protrusion (4111) arranged along the length direction of the base (411), and the latching protrusion (4111) is in contact with the inner wall of the first crossbeam (3).

6. The massage backrest of a sofa as claimed in claim 2, characterized in that: The second base (42) includes a main body (421) and a mounting column (422) arranged in the main body (421), a plurality of reinforcing ribs are arranged between the mounting column (422) and the main body (421), at least a portion of the mounting column (422) is inserted into the plug-in slot (2a), and a third mounting hole (4221) coaxially arranged with the mounting column (422) is arranged in the mounting column (422), and the first side plate (1) and the second side plate (2) are both provided with a fourth mounting hole (3a) matching the third mounting hole (4221), and the fourth mounting hole (3a) is located in the plug-in slot (2a).

7. The massage backrest of a sofa as claimed in claim 6, characterized in that: Both ends of the second cross beam (5) are provided with L-shaped fixing plates (8), one side of the L-shaped fixing plate (8) is provided with a plurality of protrusions (81), and the other side of the L-shaped fixing plate (8) is provided with grooves (82) in areas corresponding to the protrusions (81).

8. The massage backrest of a sofa as claimed in claim 7, characterized in that: The massage mechanism (6) is provided with a plurality of massage heads (61), and the plurality of massage heads (61) are evenly arranged.

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