High-stability sofa bottom frame

Abstract

The utility model provides a high-stability sofa bottom frame which comprises an inner frame and a metal frame, the outer side wall of the inner frame is fixedly connected with the inner side wall of the metal frame, a plurality of reinforcing rods are arranged in the metal frame, a plurality of fixing parts are arranged on the opposite side walls of the top of the inner frame, the fixing parts are opposite in pairs, and the fixing parts are fixed on the inner frame. A detachable supporting zigzag spring is arranged between every two fixing pieces, and a plurality of elastic supporting belts are arranged at the top of the inner frame and located above the multiple supporting zigzag springs. The sofa frame has the advantages of being high in supporting performance and good in sitting elasticity.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa structure design technical field especially relates to a high -stability sofa bottom frame. BACKGROUND

[0002] The sofa is a kind of common indoor furniture, usually by soft pad and hard frame composition.Its main function is to provide comfortable seat and rest space for people.

[0003] The prior art such as the invention patent with the name of a combined sofa frame structure disclosed in the patent application publication No.CN108464675A includes seat frame and backrest frame, the inside inner surface of seat frame is fixedly installed with one support rod, and the lower end outer surface of seat frame is fixedly installed with one support leg, the lower end outer surface of seat frame is fixedly installed with combined buckle on the both sides close to one support leg, the outer surface of one side of seat frame is fixedly installed with sofa armrest, and the front end outer surface of sofa armrest is movably installed with storage drawer.

[0004] Although the sofa has more functions, but the overall support strength is low by supporting rod, and the elasticity is poor in actual use. INVENTION CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a high-stability sofa bottom frame, to solve the technical problems of low support strength and poor elasticity of the existing sofa using frame.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A high-stability sofa bottom frame, including inner frame and metal frame, the outer side wall of inner frame is fixedly connected with the inner side wall of metal frame, the metal frame is equipped with several reinforcing rods, the opposite side walls on the top of inner frame are each equipped with several fixing pieces, two of the fixing pieces are opposite to each other, and a detachable support snake spring is arranged between each two fixing pieces, and several elastic support belts are arranged above the several support snake springs on the top of inner frame.

[0008] By adopting the above technical scheme, the overall support strength of sofa frame can be effectively improved by arranging metal frame on the outer side of inner frame, the support strength of sofa can be further increased by arranging support snake spring and support belt under the advantage of having elasticity, and the overall frame is effectively prevented from deforming after arranging support spring and support belt by arranging reinforcing rod.

[0009] The utility model further sets up: the fixed part includes the clamping block and the fixed head, the U type groove that is used for with inner frame clamping is seted up on the clamping block, the fixed head is fixed on the clamping block side wall, the fixed head is fixed with the fixed block that is used for fixing support snake spring one end of the clamping block.

[0010] Through the above technical scheme, the U-shaped groove and the inner frame are connected to complete positioning, and the fixed block on the fixed head is connected and fixed with one end of the support snake spring, so that the connection of the support snake spring and the inner frame is facilitated.

[0011] The utility model further sets up: the U type groove upper and lower sides are all seted up with the corresponding through -hole, the clamping block bottom is fixed with the nut that communicates with the through -hole, be equipped with fixed bolt on the clamping block, the fixed bolt passes through the through -hole and inner frame in proper order and is connected with the nut screw thread of clamping block bottom.

[0012] Through the above technical scheme, the fixed bolt and the nut can be effectively matched to fix the clamping block on the inner frame.

[0013] The utility model further sets up: the fixed block side towards the clamping block is seted up with the fixed groove, the fixed groove one side is equipped with the stop for preventing support snake spring to slide out.

[0014] Through the above technical scheme, one side of the support snake spring can be effectively clamped in the fixed groove through the setting of the fixed groove, which facilitates the installation of the support snake spring, and the stop prevents the support snake spring from falling out.

[0015] The utility model further sets up: a plurality of support belts include a plurality of vertical belts and a plurality of horizontal belts, a plurality of vertical belts are vertically and uniformly fixed on the inner frame, a plurality of horizontal belts are horizontally and uniformly fixed on the inner frame, and each vertical belt and each horizontal belt are arranged in an upper and lower staggered manner.

[0016] Through the above technical scheme, the support strength of the sofa frame can be further improved without losing the elastic performance through the staggered winding of the plurality of vertical belts and horizontal belts.

[0017] The utility model further sets up: one end of a plurality of reinforcing rods is fixed on the inner wall of the metal frame, the other end of a plurality of reinforcing rods passes through the inner frame and is fixedly connected with the inner wall on the opposite side of the metal frame, and the axial extension direction of a plurality of reinforcing rods is parallel to the extension direction of a plurality of support snake springs in the inner frame.

[0018] Through the above technical scheme, the reinforcing rods can effectively increase the supportability of the sofa frame as a whole, and prevent the frame from deforming under the action of the support snake spring.

[0019] The present invention is further configured such that an outer frame is fixed on the outer side wall of the metal frame.

[0020] By adopting the above technical solution, the outer frame can provide additional support and reinforcement for the sofa as a whole, improve the overall load-bearing capacity, and facilitate the subsequent covering of the sofa. Attached Figure Description

[0021] Figure 1 This is a top view of the overall structure of an embodiment of the present utility model;

[0022] Figure 2 A schematic diagram of the connection structure of the reinforcing rods of the metal frame;

[0023] Figure 3 for Figure 1 Enlarged schematic diagram of the structure at point A;

[0024] Figure 4 This is a schematic diagram of the overall structure of the fastener;

[0025] Figure 5 A schematic diagram of the overall structure from the other side of the fastener;

[0026] Figure 6 This is a schematic cross-sectional view of the inner frame.

[0027] In the above attached diagram: 1. Inner frame; 2. Metal frame; 3. Outer frame; 4. Reinforcing rod; 5. Supporting serpentine spring; 6. Support belt; 7. Clamping block; 8. Fixing head; 9. U-shaped groove; 10. Fixing block; 11. Through hole; 12. Nut; 13. Fixing bolt; 14. Fixing groove; 15. Edge; 16. Vertical strip; 17. Horizontal strip; 18. Protrusion. Detailed Implementation

[0028] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0029] Example:

[0030] Reference Figures 1-6 This application discloses a highly stable sofa bottom frame, comprising an inner frame 1 and a metal frame 2. The outer side wall of the inner frame 1 is fixedly connected to the inner side wall of the metal frame 2. Several fasteners are provided on the opposite side walls at the top of the inner frame 1, with each pair of fasteners facing each other. A detachable supporting serpentine spring 5 is provided between each pair of fasteners. Each fastener includes a clamping block 7 and a fixing head 8. The clamping block 7 has a U-shaped groove 9 for engaging with the inner frame 1. The fixing head 8 is fixed to the side wall of the clamping block 7, and a fixing block 10 for fixing the supporting serpentine spring 5 is fixed at the end of the fixing head 8 away from the clamping block 7. This supporting serpentine spring 5 has the same structure as the serpentine spring disclosed in application number CN201110000784.4.

[0031] As Figure 3 , Figure 4 and Figure 5 shown, the U-shaped groove 9 is provided with corresponding through holes 11 on both sides, the bottom of the clamping block 7 is provided with a nut 12 communicated with the through hole 11, the clamping block 7 is provided with a fixed bolt 13, the fixed bolt 13 passes through the through hole 11 and the inner frame 1 in turn and is screwed with the nut 12 on the bottom of the clamping block 7. The side of the fixed block 10 facing the clamping block 7 is provided with a fixed groove 14, and the side of the fixed groove 14 is provided with a stop 15 for preventing the support spring 5 from sliding out. The inner frame 1 is shown in Figure 6 , the inner frame 1 is provided with a protrusion 18, the U-shaped groove 9 on the clamping block 7 is clamped with the protrusion 18, and the fixed bolt 13 passes through the top through hole 11, the protrusion 18 and the bottom through hole 11 in turn and is fixed with the nut 12.

[0032] As Figure 2 shown, the metal frame 2 is provided with a plurality of reinforcing rods 4, one end of the plurality of reinforcing rods 4 is fixedly arranged on the inner wall of the metal frame 2, the other end of the plurality of reinforcing rods 4 passes through the inner frame 1 and is fixedly connected with the opposite inner wall of the metal frame 2, and the axial extension direction of the plurality of reinforcing rods 4 is parallel to the extension direction of the plurality of support springs 5 in the inner frame 1. As Figure 1 shown, the inner frame 1 is provided with a plurality of elastic support belts 6 above the plurality of support springs 5. The plurality of support belts 6 includes a plurality of vertical belts 16 and a plurality of horizontal belts 17, the plurality of vertical belts 16 are fixedly arranged on the inner frame 1 in a longitudinal direction, the plurality of horizontal belts 17 are fixedly arranged on the inner frame 1 in a transverse direction, and each vertical belt 16 and each horizontal belt 17 are arranged in an up-and-down staggered manner. The vertical belt 16 and the horizontal belt 17 are both nailed on the inner frame 1 by a nail gun, and a cavity is left between each two vertical belts 16 and each two horizontal belts 17, so that the range of movement of the support belt 6 can be increased. The outer wall of the metal frame 2 is fixedly provided with an outer frame 3 for increasing the support and weight capacity of the sofa.

[0033] Working principle:

[0034] When the frame is installed, the inner frame 1 is first installed in the metal frame 2, then the outer frame 3 is installed on the outer side of the metal frame 2, then the clamping block 7 is installed in sequence, the clamping block 7 is clamped with the protrusion 18 on the inner frame 1, and is connected and fixed by the fixed bolt 13 and the nut 12, the two ends of the support spring 5 are further installed in the opposite two fixed blocks 10 respectively, and are clamped and fixed with the fixed groove 14 on the fixed block 10, and finally the support belt 6 is fixedly installed on the inner frame 1 and is arranged in sequence.

[0035] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A high-stability sofa base frame, characterized by: The utility model relates to a kind of metal frame and inner frame, the metal frame (2) is fixedly connected with the inner frame (1) on the outer side wall, the inner frame (1) top is provided with the support band (6) with elasticity above several support snake springs (5) on the opposite side wall.

2. A high-stability sofa base frame according to claim 1, characterized in that: The fixing part includes a U-shaped block (7) and a fixed head (8), the U-shaped block (7) is provided with a U-shaped groove (9) for clamping the inner frame (1), the fixed head (8) is fixedly arranged on the side wall of the U-shaped block (7), and the fixed head (8) is provided with a fixed block (10) for fixing the support snake spring (5) at the end away from the U-shaped block (7).

3. A high-stability sofa base frame according to claim 2, characterized in that: The U-shaped groove (9) is provided with a through hole (11) on the upper and lower sides, the U-shaped block (7) is provided with a nut (12) in communication with the through hole (11), and the U-shaped block (7) is provided with a fixing bolt (13), which passes through the through hole (11) and the inner frame (1) in sequence and is screwed with the nut (12) at the bottom of the U-shaped block (7).

4. The high-stability sofa base frame according to claim 2, wherein: The fixed block (10) is provided with a fixed groove (14) on the side facing the U-shaped block (7), and the fixed groove (14) is provided with a stopper (15) for preventing the support snake spring (5) from sliding out.

5. The high-stability sofa base frame according to claim 1, wherein: The support band (6) includes a plurality of vertical bands (16) and a plurality of horizontal bands (17), the vertical bands (16) are fixedly arranged on the inner frame (1) in a longitudinal direction, the horizontal bands (17) are fixedly arranged on the inner frame (1) in a transverse direction, and each vertical band (16) and each horizontal band (17) are arranged in an upper and lower staggered manner.

6. A high-stability sofa base frame according to claim 1, characterized in that: One end of the reinforcing rod (4) is fixedly arranged on the inner wall of the metal frame (2), the other end of the reinforcing rod (4) passes through the inner frame (1) and is fixedly connected with the inner wall of the metal frame (2) on the opposite side, and the axial extension direction of the reinforcing rod (4) is parallel to the extension direction of the support snake spring (5) on the inner frame (1).

7. The high-stability sofa base frame of claim 1, wherein: The outer side wall of the metal frame (2) is fixedly provided with an outer frame (3).

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