Sofa frame

Abstract

The utility model discloses a sofa frame which comprises a fixing support, a backrest frame, a foot pad frame, a guide supporting block, a fixing block, a first connecting mechanism, a second connecting mechanism, a third connecting mechanism and a connecting rod, the guide supporting block and the fixing block are respectively and fixedly connected to the fixing support, and the guide supporting block is provided with a guide hole. One end of the connecting rod is arranged on the guide hole in a sliding mode and hinged to the first connecting mechanism, the first connecting mechanism is hinged to the guide supporting block and connected with the backrest frame, and the second connecting mechanism and the third connecting mechanism are hinged to the fixing block and connected with the foot pad frame. And the other end of the connecting rod is hinged with the second connecting mechanism. In the utility model, the movement of the backrest frame can be linked with the movement of the foot pad frame, so that a user can conveniently reduce the adjustment times, time and labor are saved, and the use is convenient.

Description

Technical Field

[0001] This utility model relates to the field of furniture design, and in particular to a sofa frame. Background Technology

[0002] A sofa is a common piece of furniture, mainly used in living rooms, bedrooms, offices, and other places, providing comfortable seating, reclining, and other forms of relaxation. The sofa frame is an important component of the sofa, acting as its skeleton and providing support within the sofa.

[0003] Traditional sofas have fixed structures, including their internal frames. However, as people's demands for sofa comfort have increased, many sofas now feature adjustable backrests and footrests, which are usually adjusted through the sofa frame.

[0004] However, existing sofa frames often require independent adjustments to the backrest and footrest, resulting in weak interoperability. Users need to spend a lot of time and effort to adjust them separately, which is time-consuming, laborious, and inconvenient to use. Utility Model Content

[0005] The purpose of this utility model is to provide a sofa frame that can solve one or more of the above-mentioned problems.

[0006] According to one aspect of the present invention, a sofa frame is provided, comprising a fixed support, a backrest frame, a footrest frame, a guide block, a fixing block, a first connecting mechanism, a second connecting mechanism, a third connecting mechanism, and a connecting rod.

[0007] The guide block and the fixing block are respectively fixedly connected to the fixed bracket.

[0008] The guide block is provided with a guide hole, and one end of the connecting rod is slidably disposed on the guide hole and hinged to the first connecting mechanism.

[0009] The first connecting mechanism is hinged to the guide block and connected to the backrest frame.

[0010] The second and third connecting mechanisms are respectively hinged to the fixed block, and are also respectively connected to the foot pad frame.

[0011] The other end of the connecting rod is hinged to the second connecting mechanism.

[0012] The beneficial effects of this utility model are as follows: This utility model can be used in sofas, wherein the fixed bracket can be set in the fixed structure of the sofa seat, sofa legs, etc., while the backrest frame can be set in the backrest of the sofa, and the foot pad frame can be set in the foot pad of the sofa. Moreover, in this utility model, the movement of the backrest frame can be linked to the movement of the foot pad frame, so that when the user adjusts the position of the sofa backrest or foot pad with this utility model, the position of the foot pad or backrest can be adjusted accordingly, which can reduce the number of adjustments, save time and effort, and is convenient to use.

[0013] In some embodiments, the first connecting mechanism includes a first swing member and a first connecting rod. The first swing member is connected to the backrest frame and hinged to the guide block. One end of the first connecting rod is hinged to one end of the connecting rod located in the guide hole, and the other end is hinged to the first swing member. As the end of the connecting rod located in the guide hole slides on the guide hole, the first swing member can be driven to swing accordingly through the first connecting rod, thereby changing the position of the backrest frame.

[0014] In some embodiments, the second connecting mechanism includes a second swing member and a second connecting rod. The second swing member is hinged to a fixed block and to a connecting rod. One end of the second connecting rod is hinged to the second swing member, and the other end is hinged to a foot pad frame.

[0015] In some embodiments, the third connecting mechanism includes a third link and a fourth link, one end of the third link being hinged to a fixed block, the other end being hinged to one end of the fourth link, and the other end of the fourth link being connected to the backrest frame.

[0016] In some embodiments, the third link and the second link are hinged. This allows the movement between the third link and the second link to be maintained within a certain range, thereby controlling the adjustable range of the footrest.

[0017] In some embodiments, the present invention further includes an electric push rod, which is mounted on a fixed bracket, and the second swing member has an extension portion connected to the electric push rod. The electric push rod allows for convenient electric adjustment of the positions of the footrest and backrest.

[0018] In some embodiments, the fixed support includes a bracket, a leg, and an armrest. The leg is connected to the bracket, the armrest is connected to the leg, and the guide block and fixing block are respectively connected to the bracket. The bracket can be used to set the sofa seat, the leg can be used to set the sofa legs, and the armrest can be used to set the sofa armrests.

[0019] In some embodiments, the fixing bracket includes a reinforcing strip, one end of which is connected to the bracket and the other end to the leg. The reinforcing strip effectively improves the connection strength between the bracket and the leg. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of a sofa frame according to one embodiment of the present invention.

[0021] Figure 2 This is a structural schematic diagram of a sofa frame according to one embodiment of the present invention.

[0022] Figure 3 This is a structural schematic diagram of a fixed support for a sofa frame according to one embodiment of the present invention.

[0023] In the diagram: 1. Fixed bracket, 2. Backrest frame, 3. Foot pad frame, 4. Guide block, 5. Fixed block, 6. First connecting mechanism, 7. Second connecting mechanism, 8. Third connecting mechanism, 9. Link, 11. Bracket, 12. Leg, 13. Handrail, 41. Guide hole, 61. First ornament, 62. First link, 71. Second ornament, 72. Second link, 711. Extension, 81. Third link, 82. Fourth link. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings.

[0025] refer to Figure 1 , Figure 2 and Figure 3 The present invention relates to a sofa frame, comprising a fixed support 1, a backrest frame 2, a foot pad frame 3, a guide block 4, a fixing block 5, a first connecting mechanism 6, a second connecting mechanism 7, a third connecting mechanism 8, and a connecting rod 9.

[0026] The fixed support 1 includes a bracket 11, a leg 12, and a handrail 13. The handrail 13 and the leg 12 are integrally formed and connected, and the leg 12 is fixedly connected to the bracket 11 by welding. The leg 12 and the handrail 13 are respectively located on the lower side and the upper side of the bracket 11.

[0027] The fixed bracket 1 also includes a reinforcing strip 14. One end of the reinforcing strip 14 is fixedly connected to the bracket 11 by welding, and the other end of the reinforcing strip 14 is fixedly connected to the leg 12 by welding. The reinforcing strip 14 can improve the connection strength between the bracket 11 and the leg 12.

[0028] The top of the guide block 4 is fixedly connected to the bracket 11 of the fixed support 1 by welding, and the guide block 4 is provided with a through hole to reduce the material cost of the guide block 4. The guide block 4 is also provided with a guide hole 41, and the edge of the guide hole 41 is provided with a protrusion to improve the strength of the guide hole 41 and reduce the probability of the guide hole 41 deforming.

[0029] The fixing block 5 is preferably an angle iron, and the top of the fixing block 5 is fixedly connected to the bracket 11 of the fixing bracket 1 by welding.

[0030] The first connecting mechanism 6 includes a first swing member 61 and a first connecting rod 62. The top side of the first swing member 61 is fixedly connected to the bottom of the backrest frame 2 by welding, so that the backrest frame 2 can move with the first swing member 61. One side of the first swing member 61 is hinged to the guide block 4 by a pin, so that the first swing member 61 can rotate relative to the guide block 9.

[0031] One end of the connecting rod 9 is slidably mounted on the guide hole 41, and one end of the first connecting rod 62 is hinged to the end of the connecting rod 9 mounted on the guide hole 41 by a pin, so that the first connecting rod 62 and the connecting rod 9 can rotate relative to each other. The other end of the first connecting rod 62 is hinged to the bottom side of the first swing member 61 by a pin, so that the first connecting rod 62 and the first swing member 61 can rotate relative to each other.

[0032] The second connecting mechanism 7 includes a second swing member 71 and a second connecting rod 72. The second swing member 71 is hinged to the fixed block 5 by a pin, so that the second swing member 71 can rotate relative to the fixed block 5. The second swing member 71 is also hinged to the other end of the connecting rod 9 by a pin, so that the second swing member 71 can also rotate relative to the connecting rod 9.

[0033] One end of the second connecting rod 72 is hinged to the second swing member 71 through a pin, so that the second connecting rod 72 and the second swing rod 71 can rotate relative to each other. The other end of the second connecting rod 72 is hinged to the foot pad frame 3 through a pin, so that the second connecting rod 72 and the foot pad frame 3 can rotate relative to each other.

[0034] The third connecting mechanism 8 includes a third link 81 and a fourth link 82. One end of the third link 81 is hinged to the fixed block 5 via a pin, allowing relative rotation between the third link 81 and the fixed block 5. The other end of the third link 81 is hinged to one end of the fourth link 82 via a pin, allowing relative rotation between the third link 81 and the fourth link 82. The other end of the fourth link 82 is hinged to the backrest frame 2 via a pin, allowing relative rotation between the fourth link 82 and the backrest frame 8.

[0035] The third link 81 and the second link 72 are hinged together by a pin, allowing relative rotation between them.

[0036] When this sofa frame is in use, the bracket 11 on the fixed support 1 can be used to set the sofa seat, the leg frame 12 can be used to set the sofa legs, and the armrest frame 13 can be used to set the sofa armrests. The above-mentioned sofa structure can be fixed.

[0037] The backrest frame 2 can be used to install the sofa backrest, and the foot pad frame 3 can be used to install the sofa foot pad. Preferably, the relative positions of the backrest frame 2 and the foot pad frame 3 can be preset within a certain range to meet ergonomic requirements as much as possible.

[0038] When the user needs to adjust the backrest and footrest, the user can adjust the backrest by applying force. At this time, the backrest frame 2 is under force, and the first swing member 61 connected to the backrest frame 2 can rotate around its hinged position with the guide block 4, thereby realizing the position adjustment of the backrest frame 2, that is, realizing the position adjustment of the backrest. At the same time, the movement of the first swing member 61 can drive the first connecting rod 62 to move. The movement of the first connecting rod 62 will drive the second swing member 71 to rotate around the hinged position of the second swing member 71 with the fixed block 5 through the connecting rod 9. The movement of the first connecting rod 62 is restricted and guided by the guide hole 41.

[0039] The rotation of the second ornament 71 can drive the foot pad frame 3 to move via the second connecting rod 72. Furthermore, during this movement, the second connecting rod 72 can drive the third connecting rod 81 to rotate around its hinged position with the fixed block 5. The rotation of the third connecting rod 81 can then drive the foot pad frame 3 to move via the fourth connecting rod 82, ultimately achieving the movement of the foot pad frame 3 and thus adjusting the position of the foot pad. In other words, the user can simultaneously adjust the position of the foot pad while applying force to adjust the backrest.

[0040] Users can also adjust the foot pads by applying force, which in turn moves the backrest accordingly, thus allowing for simultaneous adjustment of both the backrest and foot pad positions.

[0041] Preferably, the sofa frame may also include an electric push rod (not shown in the figure). The body of the electric push rod can be mounted on the fixed bracket 1 via a pin. The bottom of the second rocker 71 is provided with an extension 711. The extension 711 is hinged to the push rod of the electric push rod via a pin. That is, the movement of the second rocker 71 can be driven by the electric push rod, thereby realizing the movement of the backrest frame 2 and the footrest frame 3. In other words, the user can adjust the position of the footrest and backrest via the electric push rod, thereby improving the automation level of the sofa frame.

[0042] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A sofa frame, characterized in that, It includes a fixed bracket, a backrest frame, a foot pad frame, a guide block, a fixing block, a first connecting mechanism, a second connecting mechanism, a third connecting mechanism, and a connecting rod. The guide block and the fixing block are respectively fixedly connected to the fixed bracket. The guide block is provided with a guide hole, and one end of the connecting rod is slidably disposed on the guide hole and hinged to the first connecting mechanism. The first connecting mechanism is hinged to the guide block and connected to the backrest frame. The second and third connecting mechanisms are respectively hinged to the fixed block, and are also respectively connected to the foot pad frame. The other end of the connecting rod is hinged to the second connecting mechanism.

2. A sofa frame according to claim 1, characterized in that, The first connecting mechanism includes a first swing member and a first connecting rod. The first swing member is connected to the backrest frame and is hinged to the guide block. One end of the first connecting rod is hinged to one end of the connecting rod located on the guide hole, and the other end is hinged to the first swing member.

3. A sofa frame according to claim 1, characterized in that, The second connecting mechanism includes a second swing member and a second connecting rod. The second swing member is hinged to the fixed block and the second swing member is hinged to the connecting rod. One end of the second connecting rod is hinged to the second swing member and the other end is hinged to the foot pad frame.

4. A sofa frame according to claim 3, characterized in that, The third connecting mechanism includes a third link and a fourth link. One end of the third link is hinged to the fixed block, and the other end is hinged to one end of the fourth link. The other end of the fourth link is hinged to the backrest frame.

5. A sofa frame according to claim 4, characterized in that, The third link and the second link are hinged together.

6. A sofa frame according to claim 3, characterized in that, It includes an electric push rod, which is mounted on a fixed bracket, and the second swing member has an extension portion, which is connected to the electric push rod.

7. A sofa frame according to claim 1, characterized in that, The fixed support includes a bracket, a foot bracket, and a handrail bracket. The foot bracket is connected to the bracket, the handrail bracket is connected to the foot bracket, and the guide block and the fixing block are respectively connected to the bracket.

8. A sofa frame according to claim 7, characterized in that, The fixed bracket includes a reinforcing strip, one end of which is connected to the bracket and the other end of which is connected to the foot.

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