Frame structure of armchair

Abstract

The utility model discloses a frame structure of an armchair, and relates to the field of furniture. The armchair frame structure comprises a counterweight base and a circular metal seat fixedly arranged at the top of the counterweight base, a rotary sofa backrest frame is rotatably arranged at the bottom of the outer side of the circular metal seat, and the rotary sofa backrest frame comprises the counterweight base and the circular metal seat. According to the armchair frame structure, a sofa backrest piece is movably connected to the outer surface of a mounting metal stand column at the top of a rotary supporting plate in a sleeving mode, a sofa soft base is mounted at the top of a circular metal base, and when direction rotation is needed, a T-shaped bolt shaft is pulled outwards, so that a baffle ring extrudes a locking spring, and the locking spring is locked; at the moment, the end part of the T-shaped bolt shaft is moved out of the fixing hole in the side wall of the supporting column, the sofa backrest is rotated to realize steering, and then the T-shaped bolt shaft is loosened to enter the fixing hole under the action of the locking spring to be fixed, so that the orientation of the sofa is conveniently adjusted, and meanwhile, the sofa is not automatically rotated during use.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a single sofa frame structure. Background Art

[0002] A single sofa is a sofa similar to a single chair. Compared with a traditional single chair, it has a thicker backrest and seat cushion, so it is more comfortable when used. It is mainly composed of a hard support frame at the bottom and a covering at the top.

[0003] There are mainly two types of single sofas on the market. One is a fixed single sofa, which has the disadvantage of being bulky as a whole. When adjusting, the entire sofa and the base need to be rotated synchronously, which is quite laborious. The other type of rotating single sofa is a rotating single sofa that achieves rotation by adopting a rotating connection between the top sofa seat and the bottom support. However, in actual use, when the user sits on the sofa, the sofa often rotates involuntarily, affecting the use. Therefore, a single sofa frame structure is specially provided to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a single-person sofa frame structure, which solves the problem that a fixed single-person sofa needs to rotate the entire sofa and its base synchronously when adjusting, which is relatively laborious, and a rotating single-person sofa often rotates involuntarily when the user sits on the sofa during actual use, thus affecting the use.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a single sofa frame structure, including a counterweight base and a circular metal seat fixedly arranged on the top of the counterweight base, the outer bottom of the circular metal seat is rotatably provided with a rotatable sofa backrest frame, and the rotatable sofa backrest frame includes;

[0006] A rotating support plate is rotatably arranged outside the circular metal seat;

[0007] An installation metal column is fixedly arranged on the top of the rotating support plate, and the installation metal column is used for movable installation of the sofa backrest;

[0008] A fixing piece is arranged at the inner bottom of the rotating support plate, and the fixing piece is movably plugged into the circular metal seat for fixing the rotating support plate.

[0009] Preferably, a support column is fixedly welded to the top of the counterweight base, and the circular metal seat is fixedly installed on the top of the support column.

[0010] Preferably, an annular rotating frame is fixedly welded inside the rotating support plate, and the annular rotating frame is rotatably connected to the outer surface of the supporting column.

[0011] Preferably, a support plate is provided below the annular rotating frame, and the support plate is fixedly mounted on the outer surface of the support column by bolts.

[0012] Preferably, an annular groove is formed on the outer side wall of the circular metal seat, and a guide ring is fixedly welded to the top of the rotating support plate, and the guide ring is rotatably connected to the inside of the annular groove.

[0013] Preferably, the fixing member comprises:

[0014] A T-shaped latch shaft, which passes through the annular rotating frame, and a plurality of fixing holes adapted to the T-shaped latch shaft are arranged in an annular array on the outer surface of the support column;

[0015] A locking spring is movably sleeved on the outer surface of the T-shaped latch shaft, and the locking spring is used to push the T-shaped latch shaft into the fixing hole.

[0016] Preferably, an arc-shaped support bar is fixedly welded in the middle of the annular rotating frame, a fixing tube is integrally provided in the middle of the arc-shaped support bar, the T-shaped latch shaft and the locking spring are both placed in the fixing tube, and a retaining ring is fixedly sleeved on the front end outer surface of the T-shaped latch shaft.

[0017] The utility model discloses a single sofa frame structure, which has the following beneficial effects: a sofa backrest is movably sleeved on the outer surface of a mounting metal column on the top of a rotating support plate, and a sofa soft base is mounted on the top of a circular metal seat. In actual use, the circular metal seat will not rotate. When the rotation direction is required, the T-shaped latch shaft is pulled outwards so that a retaining ring squeezes a locking spring. At this time, the end of the T-shaped latch shaft is moved out of a fixing hole on a side wall of the supporting column. At this time, the sofa backrest can be turned to achieve steering. Then, the T-shaped latch shaft is released so that it enters the fixing hole under the action of the locking spring to be fixed. This facilitates adjustment of the sofa direction and does not cause the sofa to rotate involuntarily during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall top structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall bottom structure of the utility model;

[0021] Figure 3This is an exploded view of the circular metal seat and the rotating sofa backrest frame structure of the utility model;

[0022] Figure 4 This is an exploded view of the internal structure of the rotating sofa backrest frame of the utility model.

[0023] In the figure: 1. counterweight base; 2. support column; 3. round metal seat; 4. rotating sofa backrest frame; 41. rotating support plate; 42. mounting metal column; 43. annular rotating frame; 44. guide ring; 45. arc-shaped support bar; 5. support plate; 6. fixing piece; 61. fixing tube; 62. T-shaped latch shaft; 63. retaining ring; 64. locking spring; 7. annular groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The embodiment of the present application provides a single-seat sofa frame structure to solve the problem that a fixed single-seat sofa needs to rotate the entire sofa and the base synchronously when adjusting, which is relatively laborious, and a rotating single-seat sofa often rotates involuntarily when the user sits on the sofa during actual use, thus affecting the use.

[0026] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] The utility model embodiment discloses a single sofa frame structure.

[0028] According to the attached Figure 1-4 As shown, it includes a counterweight base 1 and a circular metal base 3 fixedly arranged on the top of the counterweight base 1, and a rotating sofa backrest frame 4 is rotatably arranged on the outer bottom of the circular metal base 3, and the rotating sofa backrest frame 4 includes;

[0029] A rotating support plate 41 is rotatably disposed outside the circular metal seat 3;

[0030] The metal column 42 is installed, which is fixedly arranged on the top of the rotating support plate 41. The metal column 42 is used for movable installation of the sofa backrest. The sofa backrest can be made of a metal frame with a soft material wrapped outside, and then the metal frame is directly plugged into the outer surface of the metal column 42, which is convenient for disassembly, cleaning and replacement;

[0031] A fixing piece 6 is disposed at the inner bottom of the rotating support plate 41 . The fixing piece 6 is movably plugged into the circular metal seat 3 to fix the rotating support plate 41 , thereby locking the rotation of the rotating support plate 41 .

[0032] A support column 2 is fixedly welded to the top of the counterweight base 1 , and a circular metal seat 3 is fixedly installed on the top of the support column 2 .

[0033] An annular rotating frame 43 is fixedly welded inside the rotating support plate 41 , and the annular rotating frame 43 is rotatably connected to the outer surface of the supporting column 2 .

[0034] A support plate 5 is provided below the annular rotating frame 43 and is fixedly mounted on the outer surface of the supporting column 2 by bolts. The support plate 5 can provide good support for the annular rotating frame 43 to prevent it from bending, deforming and slipping downward.

[0035] An annular groove 7 is formed on the outer wall of the circular metal seat 3, and a guide ring 44 is fixedly welded to the top of the rotating support plate 41. The guide ring 44 is rotatably connected to the inside of the annular groove 7, so that the rotating support plate 41 can be guided to prevent deflection when rotating.

[0036] The fixing member 6 comprises:

[0037] A T-shaped latch shaft 62, which passes through the annular rotating frame 43, and a plurality of fixing holes adapted to the T-shaped latch shaft 62 are arranged in an annular array on the outer surface of the support column 2;

[0038] The locking spring 64 is movably sleeved on the outer surface of the T-shaped latch shaft 62. The locking spring 64 is used to push the T-shaped latch shaft 62 into the fixing hole. The outer surface of the front end of the T-shaped latch shaft 62 is fixedly sleeved with a retaining ring 63. By pulling the T-shaped latch shaft 62 outward, the retaining ring 63 squeezes the locking spring 64. At this time, the end of the T-shaped latch shaft 62 is moved out of the fixing hole on the side wall of the support column 2.

[0039] An arc-shaped support bar 45 is fixedly welded in the middle of the annular rotating frame 43, and a fixing tube 61 is integrally provided in the middle of the arc-shaped support bar 45. The T-shaped latch shaft 62 and the locking spring 64 are both placed in the fixing tube 61. The arc-shaped support bar 45 can support the fixing tube 61 to prevent the fixing tube 61 from bending and causing the T-shaped latch shaft 62 to be blocked from sliding.

[0040] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0041] By movably sleeved the sofa backrest on the outer surface of the mounting metal column 42 on the top of the rotating support plate 41, the soft base of the sofa is installed on the top of the circular metal seat 3. In actual use, the circular metal seat 3 will not rotate. When the rotation direction is required, the T-shaped latch shaft 62 is pulled outward so that the retaining ring 63 squeezes the locking spring 64. At this time, the end of the T-shaped latch shaft 62 is moved out of the fixing hole on the side wall of the support column 2. At this time, the sofa backrest can be turned, and then the T-shaped latch shaft 62 is released, so that it enters the fixing hole under the action of the locking spring 64 for fixation, which is convenient for adjusting the direction of the sofa. At the same time, the sofa will not rotate involuntarily during use.

[0042] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A single sofa frame structure, comprising a counterweight base (1) and a circular metal seat (3) fixedly arranged on the top of the counterweight base (1), characterized in that: A rotating sofa backrest frame (4) is rotatably arranged at the outer bottom of the circular metal seat (3), and the rotating sofa backrest frame (4) comprises: A rotating support plate (41) is rotatably disposed outside the circular metal seat (3); An installation metal column (42) is fixedly arranged on the top of the rotating support plate (41), and the installation metal column (42) is used for movable installation of the sofa backrest; A fixing piece (6) is provided at the inner bottom of the rotating support plate (41), and the fixing piece (6) is movably plugged into the circular metal seat (3) for fixing the rotating support plate (41).

2. The single sofa frame structure according to claim 1, characterized in that: A support column (2) is fixedly welded to the top of the counterweight base (1), and the circular metal seat (3) is fixedly mounted on the top of the support column (2).

3. The single sofa frame structure according to claim 2, characterized in that: An annular rotating frame (43) is fixedly welded inside the rotating support plate (41), and the annular rotating frame (43) is rotatably connected to the outer surface of the supporting column (2).

4. The single-seat sofa frame structure according to claim 3, characterized in that: A support plate (5) is provided below the annular rotating frame (43), and the support plate (5) is fixedly mounted on the outer surface of the support column (2) by means of bolts.

5. The single-seat sofa frame structure according to claim 2, characterized in that: An annular groove (7) is provided on the outer side wall of the circular metal seat (3), and a guide ring (44) is fixedly welded to the top of the rotating support plate (41), and the guide ring (44) is rotatably connected to the inside of the annular groove (7).

6. The single-seat sofa frame structure according to claim 3, characterized in that: The fixing member (6) comprises: A T-shaped latch shaft (62) passes through the annular rotating frame (43), and a plurality of fixing holes matched with the T-shaped latch shaft (62) are arranged in an annular array on the outer surface of the support column (2); A locking spring (64) is movably sleeved on the outer surface of the T-shaped latch shaft (62), and the locking spring (64) is used to push the T-shaped latch shaft (62) into the fixing hole.

7. The single-seat sofa frame structure according to claim 6, characterized in that: An arc-shaped support bar (45) is fixedly welded in the middle of the annular rotating frame (43), a fixed tube (61) is integrally provided in the middle of the arc-shaped support bar (45), the T-shaped latch shaft (62) and the locking spring (64) are both placed in the fixed tube (61), and a retaining ring (63) is fixedly sleeved on the outer surface of the front end of the T-shaped latch shaft (62).

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