Split type backrest frame and backrest

Abstract

The utility model relates to a split type backrest frame and a backrest, and relates to the technical field of furniture, the split type backrest frame comprises a mounting piece and a connecting piece, the mounting piece and the connecting piece are fixedly connected along a first direction, and the backrest frame further comprises an elastic piece, the elastic piece at least has elasticity in the first direction and can drive the mounting piece and the connecting piece to be close to each other in the first direction, the elastic piece is arranged, connection between the mounting piece and the connecting piece is tighter under the elasticity effect of the elastic piece, the connecting strength and stability of the backrest frame are improved, and the use experience feeling of a user can be improved.

Description

Technical Field

[0001] The present application relates to the field of furniture, and in particular to a split backrest frame and a backrest. Background Art

[0002] With the development of the furniture industry, split furniture is increasingly used. Backrests, as common furniture components, are often used in sofas, chairs, beds and other furniture to meet users' needs for back support. Existing split backrests can be disassembled into multiple parts, which are easy to install and pack and carry.

[0003] With respect to the above-mentioned related technologies, the inventors found that the existing split backrests have low connection strength, poor stability, and are prone to loosening and falling apart. Utility Model Content

[0004] In order to solve the above technical problems, the present application provides a split backrest frame and a backrest.

[0005] The present application provides a split backrest frame adopting the following technical solution:

[0006] A split backrest frame comprises a mounting member and a connecting member, wherein the mounting member and the connecting member are fixedly connected along a first direction, wherein: the backrest frame also comprises an elastic member, which has elastic force at least along the first direction and can drive the mounting member and the connecting member to approach each other along the first direction.

[0007] By adopting the above technical solution, the elastic force of the elastic member along the first direction can drive the mounting member and the connecting member to approach each other, thereby enhancing the connection strength between the mounting member and the connecting member and improving the stability of the entire backrest frame;

[0008] In addition, when using the backrest, the user leans on the elastic member, and the elastic member can provide elastic support to the user, thereby improving the user experience.

[0009] Optionally, a plurality of elastic members are arranged along the vertical first direction.

[0010] By adopting the above technical solution, a plurality of elastic members are provided to further improve the connection strength between the mounting member and the connecting member, and the support range of the elastic member on the user's back can be expanded to be suitable for the back support of people of different body shapes, thereby improving the user experience.

[0011] Optionally, the elastic member is a serpentine spring.

[0012] By adopting the above technical solution, the serpentine spring has high elasticity, large deformation capacity and elastic recovery ability, giving the user a better elastic support experience.

[0013] Optionally, two mounting members are provided, and at least two connecting members are provided and are fixedly connected to both mounting members; wherein: the elastic member is connected between the two mounting members, and / or the elastic member is connected between the connecting members, and / or the elastic member is connected between the mounting member and the connecting member.

[0014] By adopting the above technical solution, the connection positions of the elastic parts are diversified and have a wide application range to meet the diverse usage needs of users.

[0015] Optionally, the mounting member and / or the connecting member has a connecting portion for connecting to the elastic member.

[0016] By adopting the above technical solution, a connecting portion is provided to facilitate installation of the elastic member, thereby improving installation efficiency.

[0017] Optionally, the mounting piece has a connecting portion, and the connecting portion is integrally formed with or fixedly connected to the mounting piece.

[0018] By adopting the above technical solution, the connecting part and the mounting piece are integrally formed, the structural strength is high, the breakage of the connecting part and the installation steps of the connecting part and the mounting piece are reduced; the mounting piece and the connecting part are separately arranged and connected in a fixed manner, so that the mounting piece and the connecting part can be independently produced and processed, which is easy to manufacture.

[0019] Optionally, the connecting member has a connecting portion, and the connecting portion is integrally formed with the connecting member or fixedly connected with the connecting member.

[0020] By adopting the above technical solution, the connecting part and the connecting piece are integrally formed, the structural strength is high, the breakage of the connecting part and the installation steps of the connecting part and the connecting piece are reduced; the connecting piece and the connecting part are separately arranged and connected in a fixed manner, so that the connecting piece and the connecting part can be independently produced and processed, which is easy to manufacture.

[0021] Optionally, the connecting parts are distributed along the height direction of the mounting parts.

[0022] By adopting the above technical solution, the connecting parts are distributed along the height direction of the mounting parts, thereby improving the structural strength of the entire backrest frame.

[0023] Optionally, a backplane is inserted between the mounting parts.

[0024] By adopting the above technical solution, the back plate is provided to further improve the structural strength of the backrest frame.

[0025] The present application also discloses a backrest adopting the following technical solution:

[0026] A backrest comprises the split backrest frame as described above.

[0027] By adopting the above technical solution, the above-mentioned split backrest frame is used in the backrest to ensure the structural strength and stability of the entire backrest.

[0028] In summary, the present application includes at least one of the following beneficial technical effects:

[0029] 1. In the present application, an elastic member is provided and the connection between the mounting member and the connecting member is made tighter under the action of its elastic force, thereby improving the connection strength and stability of the backrest frame and improving the user's use experience;

[0030] 2. In the further configuration of the present application, the installation position of the elastic member is diversified, and the elastic member can be installed between the installation members, between the installation members and the connecting members, and between the connecting members, so as to meet the installation and use requirements of the user;

[0031] 3. In a further configuration of the present application, the mounting member and the connecting member may be integrally formed or fixedly connected with a connecting portion to facilitate the connection of the elastic member and facilitate installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a schematic diagram of the three-dimensional structure of the split backrest frame of the first embodiment;

[0033] Figure 2 yes Figure 1 Explosion diagram of

[0034] Figure 3 is a schematic diagram of the installation direction of the connecting member and the installation member and the elastic force direction of the elastic member in the first embodiment;

[0035] Figure 4 is a schematic diagram of the installation direction of the connecting member and the installation member and the elastic force direction of the elastic member in the second embodiment;

[0036] Figure 5 is a schematic diagram of the installation direction of the connecting member and the installation member and the elastic force direction of the elastic member in the third embodiment;

[0037] Figure 6 is a schematic diagram of the installation direction of the connecting member and the installation member and the elastic force direction of the elastic member in the fourth embodiment;

[0038] Figure 7 is a schematic diagram of the installation direction of the connecting member and the installation member and the elastic force direction of the elastic member in the fifth embodiment;

[0039] Figure 8 is a schematic diagram of the three-dimensional structure of the split backrest frame of the sixth embodiment;

[0040] Fig. 9 is a schematic diagram of the installation direction of the connecting member and the installation member and the elastic force direction of the elastic member in the sixth embodiment;

[0041] Fig.10 It is a three-dimensional structural diagram of a backrest.

[0042] Explanation of the accompanying drawings: 1. Mounting part; 11. First mounting part; 12. Second mounting part; 2. Connecting part; 21. First connecting part; 22. Second connecting part; 23. Third connecting part; 3. Elastic part; 4. Connecting portion; 5. Back panel; 6. Soft bag; 7. Face cover; 8. Fastener; F. Elastic force of the elastic part and its direction of elastic force; S. Connection direction between the connecting part and the mounting part. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various configurations. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0044] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0045] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] In the description of the present application, it should be understood that the terms "up", "down", "left", "right", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0047] The following is combined with Figure 1-10 This application is described in further detail.

[0048] The present application embodiment discloses a split backrest frame, as shown in the attached Figure 1 , Attachment Figure 2As shown, it includes a mounting member 1, a connecting member 2 and an elastic member 3. Specifically, the mounting member 1 and the connecting member 2 are fixedly connected along a first direction, and the elastic member 3 has elastic force at least along the first direction and can drive the mounting member 1 and the connecting member 2 to approach each other along the first direction. The elastic force of the elastic member 3 makes the mounting member 1 and the connecting member 2 more tightly and firmly connected, thereby improving the structural strength and stability of the backrest frame, and the setting of the elastic member 3 can provide a more comfortable support effect for the user's back and improve the user experience. The elastic member 3 is commonly a serpentine spring, which has high elasticity, large deformation ability and elastic recovery ability.

[0049] In a further configuration, a plurality of elastic members 3 are arranged along the vertical first direction to further enhance the tightness of the connection between the mounting member 1 and the connecting member 2 .

[0050] The present application specifically provides the following embodiments:

[0051] Embodiment 1

[0052] Combined with Figure 3 , there are two mounting members 1, and three connecting members 2 are provided and fixedly connected to the mounting members 1, wherein: the three connecting members 2 are fixed between the two mounting members 1. Specifically, the ends of the connecting members 2 are bent so as to set fasteners 8 such as bolts to fix the connecting members 2 and the mounting members 1, and the connection direction of the fasteners 8 is consistent with the first direction, the first connecting member 21 is installed on the top of the mounting member 1, the second connecting member 22 is installed on the bottom of the mounting member 1, and the third connecting member 23 is installed in the middle of the mounting member 1, so as to improve the structural strength and stability of the entire backrest frame, and can support the user's head, waist and buttocks when the user uses it, so as to improve the user experience.

[0053] In this embodiment, the two mounting members 1 are distributed in the left and right directions, the mounting member 1 on the left is the first mounting member 11, and the mounting member 1 on the right is the second mounting member 12; the three connecting members 2 are distributed along the height direction of the mounting members 1, the connecting member 2 located at the top is the first connecting member 21, the connecting member 2 located at the bottom is the second connecting member 22, and the connecting member 2 located in the middle is the third connecting member 23, and the fastener 8 connects the mounting member 1 with the connecting member 2 along the left and right directions, that is: in this embodiment, the first direction is consistent with the left and right directions, the elastic member 3 is connected between the two mounting members 1, and three of them are distributed along the height direction of the mounting members 1, the elastic force of the elastic member 3 can drive the two mounting members 1 to approach each other, thereby achieving the effect of clamping the connecting member 2, and cooperating with the connecting function of the fastener 8 to ensure the connection strength between the mounting member 1 and the connecting member 2.

[0054] In other embodiments, the connecting member 2 may only retain the first connecting member 21 and the second connecting member 22 .

[0055] It should be noted that the length extension direction of the elastic member 3 does not need to maintain a strict left-right direction, that is, there can be a certain angle between the elastic force direction of the elastic member 3 and the left-right direction, and it is only necessary to ensure that the elastic force of the elastic member 3 has a certain force component in the left-right direction, so the installation requirements for the elastic member 3 are relatively low. Specifically, a connecting portion 4 for connecting the elastic member 3 is provided on the mounting member 1. Common connecting portions 4 such as hooks, buckles, etc. can be installed by bolts, etc., which is simple and convenient and easy to disassemble and replace.

[0056] In other embodiments, the connection portion 4 may also be integrally formed with the mounting member 1. Specifically, in this embodiment, the mounting member 1 is produced by blow molding, and the connection portion 4 is a hook integrally processed during the blow molding.

[0057] In a further configuration, a back panel 5 is inserted between the mounting members 1, a slot (not shown) is provided on the mounting member 1, and the left and right ends of the back panel 5 are inserted into the slot, which can further improve the structural strength of the backrest frame.

[0058] Embodiment 2

[0059] Combined with Figure 4 , which is different from the first embodiment in that the elastic member 3 is connected between the mounting member 1 and the connecting member 2. That is, both the connecting member 2 and the mounting member 1 have a connecting portion 4 for connecting the elastic member 3, and the connecting portion 4 and the connecting member 2 are also integrally formed or fixedly connected. In this embodiment, the connecting portion 4 on the connecting member 2 is a detachable hook, and the direction of the hook can be adjusted according to the connection of the elastic member 3.

[0060] Embodiment 3

[0061] Combined with Figure 5 This embodiment adopts a combination of the first embodiment and the second embodiment: elastic members 3 are connected between the mounting members 1 and between the mounting members 1 and the connecting members 2.

[0062] Embodiment 4

[0063] Combined with Figure 6 , which is different from the first embodiment, is that the connecting member 2 is only provided with the first connecting member 21 and the second connecting member 22, and the first connecting member 21 is installed at the upper ends of the first mounting member 11 and the second mounting member 12, and the second connecting member 22 is installed at the lower ends of the first mounting member 11 and the second mounting member 12. At this time, the fastener 8 connects the mounting member 1 and the connecting member 2 along the height direction of the mounting member 1, that is, the first direction in this embodiment is the up and down direction.

[0064] In this embodiment, the connecting member 2 is provided with a connecting portion 4, and the elastic members 3 are connected between the first connecting member 21 and the second connecting member 22 and are provided in five numbers along the left-right direction. The elastic force direction of the elastic member 3 does not need to be strictly in the up-down direction, and the elastic force of the elastic member 3 can be made to have a component force along the up-down direction.

[0065] Embodiment 5

[0066] Combined with Figure 7 , which is different from the fourth embodiment in that: an elastic member 3 is connected between the first mounting member 11 and the second mounting member 12, and an elastic member 3 is also connected between the first connecting member 21 and the second connecting member 22. The connecting member 2 also includes a third connecting member 23, which is fixedly installed between the two mounting members 1 by a fastener 8 and is located in the middle position in the height direction of the mounting member 1, that is, the third connecting member 23 is located between the first connecting member 21 and the second connecting member 22, so as to further improve the structural strength of the backrest frame.

[0067] It should be noted that: a third connecting member 23 is connected between the two mounting members 1, and the third connecting member 23 is connected to the mounting member 1 along the left-right direction; and the first connecting member 21 and the second connecting member 22 are connected to the mounting member 1 along the up-down direction.

[0068] Therefore, in the connection between the connecting member 2 and the mounting member 1, the first direction does not refer to a specific direction, but rather the connection direction between the connecting member 2 and the mounting member 1. The first directions between different connecting members 2 and mounting members 1 may be different.

[0069] In this embodiment, the elastic member 3 is connected between the mounting members 1 to improve the connection strength between the mounting frame and the third connecting member 23; the elastic member 3 is connected between the first connecting member 21 and the second connecting member 22 to improve the connection strength between the mounting frame and the first connecting member 21 and the second connecting member 22.

[0070] Multiple sets of elastic members 3 are provided to enhance the user experience. In addition, when multiple elastic members 3 are used, they need to be staggered to avoid interference.

[0071] Embodiment 6

[0072] Combined with Figure 8 , Attachment Fig. 9 , which is different from the first embodiment, is that an elastic member 3 is connected between the first mounting member 11 and the second mounting member 12, an elastic member 3 is also connected between the first connecting member 21 and the second connecting member 22, and the connecting member 2 further includes a third connecting member 23, which is fixedly installed between the two mounting members 1 by a fastener 8 and is located in the middle position in the height direction of the mounting member 1.

[0073] At this time, the elastic member 3 connected between the first connecting member 21 and the second connecting member 22 has the effect of improving the comfort of use.

[0074] The present application also discloses a backrest, as shown in the attached Fig.10 , including the above-mentioned split backrest frame, the outer periphery of the backrest frame is covered with an upper cover 7 and a soft bag 6 is arranged to improve the user's experience. Specifically, a steel wire and a buckle strip are arranged on the connecting piece to facilitate sewing and tightening the cover 7.

[0075] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A split backrest frame, characterized in that: The backrest frame comprises a mounting member (1) and a connecting member (2), wherein the mounting member (1) is fixedly connected to the connecting member (2) along a first direction, wherein the backrest frame further comprises an elastic member (3), wherein the elastic member (3) has elastic force at least along the first direction and is capable of driving the mounting member (1) and the connecting member (2) to move closer to each other along the first direction.

2. The split backrest frame according to claim 1, characterized in that: A plurality of elastic members (3) are arranged along a vertical first direction.

3. The split backrest frame according to claim 1, characterized in that: The elastic member (3) is a serpentine spring.

4. The split backrest frame according to any one of claims 1 to 3, characterized in that: Two mounting members (1) are provided, and at least two connecting members (2) are provided and are fixedly connected to the two mounting members (1); wherein: the elastic member (3) is connected between the two mounting members (1), and / or the elastic member (3) is connected between the connecting members (2), and / or the elastic member (3) is connected between the mounting member (1) and the connecting member (2).

5. The split backrest frame according to claim 4, characterized in that: The mounting member (1) and / or the connecting member (2) has a connecting portion (4) for connecting to the elastic member (3).

6. The split backrest frame according to claim 5, characterized in that: The mounting member (1) has the connecting portion (4), and the connecting portion (4) is integrally formed with or fixedly connected to the mounting member (1).

7. The split backrest frame according to claim 5, characterized in that: The connecting member (2) has the connecting portion (4), and the connecting portion (4) is integrally formed with or fixedly connected to the connecting member (2).

8. The split backrest frame according to claim 4, characterized in that: The connecting parts (2) are distributed along the height direction of the mounting part (1).

9. The split backrest frame according to claim 4, characterized in that: A back plate (5) is inserted between the mounting parts (1).

10. A backrest, characterized in that: It comprises the split backrest frame as claimed in claim 1.

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