Snake-shaped spring and independent spring combined sofa cushion

Abstract

The utility model belongs to the technical field of sofa cushions, and particularly discloses a snake-shaped spring and independent spring combined sofa cushion which comprises a bottom plate and a rectangular chamber, the rectangular chamber is arranged in the bottom plate, hooks are distributed at the front end and the rear end in the rectangular chamber respectively, an insertion hole is formed between the two sides in each hook, and the insertion holes are communicated with the rectangular chamber. S-shaped springs are fixedly connected between the front portions and the rear portions of the inserting holes, and a frame body is in lap joint with the upper portion of the bottom plate. According to the snake-shaped spring and independent spring combined sofa cushion, snake-shaped springs are fixedly connected between the front part and the rear part of an insertion hole, the snake-shaped springs are transversely arranged in a rectangular cavity, hook bodies at the front end and the rear end are respectively sleeved in hooks with insertion holes, and then a frame body and a top plate are sequentially lapped to form the snake-shaped spring and independent spring combined sofa cushion; the main sponge strips and the auxiliary sponge strips on the periphery of the interior of the frame body can wrap the spiral spring in the center, an elastic structure is formed in the center of the cushion under the attachment of the lower protection gasket and the upper protection gasket, and the problems of poor resilience and uncomfortable sitting posture are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sofa cushions, in particular to a serpentine spring independent spring combined sofa cushion. Background Art

[0002] In order to improve the supporting capacity and softness of the sofa cushion, the bottom plate is often made of serpentine springs, but this type of spring can only be pulled horizontally from the front and back. If the longitudinal direction is filled with only a single sponge, sitting on this cushion for a long time will not be able to maintain the integrity of the sofa structure and the rebound performance will be difficult to maintain.

[0003] Now, a novel serpentine spring independent spring combination sofa cushion is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a serpentine spring independent spring combination sofa cushion to solve the problem of poor rebound performance in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a serpentine spring independent spring combination sofa cushion, comprising a bottom plate and a rectangular chamber, a rectangular chamber is arranged inside the bottom plate, and hooks are respectively distributed at the front and rear ends of the rectangular chamber, a plug hole is arranged between the two sides inside the hook, a serpentine spring is fixedly connected between the front and rear of the plug hole, a frame is overlapped above the bottom plate, and main sponge strips are respectively fixed on the left and right sides of the frame, and auxiliary sponge strips are respectively fixed on the front and rear ends of the frame, a lower protective gasket is placed at the center of the frame, and an upper protective gasket is arranged on the top of the lower protective gasket, a coil spring is welded and fixed between the upper protective gasket and the lower protective gasket, a top plate is arranged horizontally above the frame, and a pressure pad is fixed at the center of the top plate, and a cover cloth is laid between the top plate and the pressure pad.

[0006] Preferably, the front and rear ends of the serpentine spring are respectively embedded in hooks, and the hooks are symmetrically arranged at the front and rear ends of the serpentine spring.

[0007] Preferably, the lower protection gasket and the upper protection gasket have the same area, and the coil spring can guide the lower protection gasket and the upper protection gasket to be vertically extruded.

[0008] Preferably, the four corners of the bottom of the frame are respectively provided with card slots, the four corners above the top plate and below the bottom plate are respectively provided with assembly holes, bolts are meshed and connected between the assembly holes and the card slots, and nuts are respectively sleeved on the upper and lower parts of the bolts, and screw hole rings are respectively provided at the four corners of the cover cloth.

[0009] Preferably, the bolt is embedded in the screw hole collar, and the two sides of the cover cloth are respectively embedded between the slot and the bottom plate.

[0010] Preferably, the nut is symmetrically sleeved on the front and rear ends of the bolt, and the nut, the bolt and the assembly hole are arranged in concentric circles.

[0011] Preferably, a clamping plate 1 is welded at the four corners of the top of the lower protective gasket, and a clamping plate 2 is welded at the four corners of the bottom of the upper protective gasket. Slots are respectively provided on the surfaces of the clamping plate 1 and the clamping plate 2, and card blocks are inserted in the slots. Support blocks are longitudinally fixed between the card blocks.

[0012] Preferably, the upper and lower parts of the card block are respectively embedded in the slots, and the slot, the card block and the support block are in the same vertical plane.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the serpentine spring independent spring combination sofa cushion not only achieves the guarantee of the rebound effect and prevents the cushion from deformation, but also improves the supporting capacity of the spring pad;

[0014] (1) A serpentine spring is fixedly connected between the front and rear of the socket, and the serpentine spring is arranged horizontally in the rectangular chamber of the bottom plate. The hooks at the front and rear ends are respectively sleeved in the hooks with the sockets, which serve as the support plate of the seat cushion. Then the frame and the top plate are overlapped in sequence. The main sponge strips and the auxiliary sponge strips around the inside of the frame can wrap the spiral spring at the center. Under the fit of the lower protection gasket and the upper protection gasket, an elastic structure is formed at the center of the seat cushion, which has a better rebound effect and is more comfortable.

[0015] (2) By laying a cover cloth between the top plate and the pressure pad, the surface between the bottom plate, the frame and the top plate is covered with a layer of cover cloth, and the edges of the cover cloth are respectively embedded in the grooves, and the longitudinal bolts are inserted into the assembly holes and the screw hole rings, and the nuts are rotated from the upper and lower positions to fix them, so that the cover cloth can be tightened and the surface of the cushion can be protected. It is also very convenient to disassemble and clean;

[0016] (3) A support block is longitudinally fixed between the blocks, and the top and bottom ends of the coil spring are respectively welded between the upper protective gasket and the lower protective gasket. In order to keep the movement trajectory of the coil spring always vertical and to prevent foreign objects from affecting the rebound ability of the elastic plate, a support block with a block is required to be inserted between the first and second cards at the corners. The support block can be inserted between the first and second cards by slightly expanding the lower and upper protective gaskets, and the same is true for taking it out. The stability of the structure can be maintained from the four corners. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2This is a schematic diagram of the front cross-sectional structure of the frame of the utility model;

[0019] Figure 3 This is a schematic diagram of the bottom plate structure from a top view of the present utility model;

[0020] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged structure of the local section at point A in the middle.

[0021] In the figure: 1. bottom plate; 2. rectangular chamber; 3. hook; 4. serpentine spring; 5. lower protective gasket; 6. spiral spring; 7. upper protective gasket; 8. cardboard one; 9. frame; 10. top plate; 11. cover cloth; 12. pressure pad; 13. nut; 14. bolt; 15. screw hole ring; 16. slot; 17. main sponge strip; 18. assembly hole; 19. auxiliary sponge strip; 20. jack; 21. slot; 22. card block; 23. support block; 24. cardboard two. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] Example 1: Please refer to Figure 1-4 A serpentine spring independent spring combination sofa cushion comprises a bottom plate 1 and a rectangular chamber 2, wherein the bottom plate 1 is provided with a rectangular chamber 2, and hooks 3 are respectively distributed at the front and rear ends of the rectangular chamber 2, a plug hole 20 is provided between the two sides of the hook 3, a serpentine spring 4 is fixedly connected between the front and rear of the plug hole 20, a frame 9 is overlapped on the top of the bottom plate 1, and main sponge strips 17 are respectively fixed on the left and right sides of the frame 9, and auxiliary sponge strips 19 are respectively fixed on the front and rear ends of the frame 9, a lower protective gasket 5 is placed at the center of the frame 9, and an upper protective gasket 7 is provided at the top of the lower protective gasket 5, a spiral spring 6 is welded and fixed between the upper protective gasket 7 and the lower protective gasket 5, a top plate 10 is transversely provided above the frame 9, and a pressure pad 12 is fixed at the center of the top plate 10, and a cover cloth 11 is laid between the top plate 10 and the pressure pad 12;

[0024] The front and rear ends of the serpentine spring 4 are respectively embedded in the hooks 3, and the hooks 3 are symmetrically arranged at the front and rear ends of the serpentine spring 4. The lower protection gasket 5 and the upper protection gasket 7 have the same area, and the spiral spring 6 can guide the lower protection gasket 5 and the upper protection gasket 7 to be vertically extruded;

[0025] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, the serpentine spring 4 is arranged horizontally in the rectangular chamber 2 of the bottom plate 1, and the hooks at the front and rear ends are respectively sleeved in the hooks 3 with the sockets 20, which serve as the supporting plates of the cushion, and then the frame 9 and the top plate 10 are overlapped in turn. The main sponge strips 17 and the auxiliary sponge strips 19 around the inside of the frame 9 can wrap the spiral spring 6 at the center, and with the lower protective gasket 5 and the upper protective gasket 7 fitting together, elastic assistance is applied at the center of the cushion.

[0026] Embodiment 2: The four corners of the bottom of the frame 9 are respectively provided with card slots 16, and the four corners above the top plate 10 and below the bottom plate 1 are respectively provided with assembly holes 18, and bolts 14 are meshed and connected between the assembly holes 18 and the card slots 16, and nuts 13 are respectively sleeved on the upper and lower parts of the bolts 14, and screw hole collars 15 are respectively provided at the four corners of the cover cloth 11;

[0027] The bolt 14 is embedded in the screw hole ring 15, and the two sides of the cover cloth 11 are respectively embedded between the slot 16 and the bottom plate 1, and the nut 13 is symmetrically sleeved on the front and rear ends of the bolt 14, and the nut 13, the bolt 14 and the assembly hole 18 are arranged in concentric circles;

[0028] Specifically, Figure 1 and Figure 2 As shown, the surface between the bottom plate 1, the frame 9 and the top plate 10 is covered with a cover cloth 11, and the two side edges of the cover cloth 11 are respectively embedded in the card groove 16, and the longitudinal bolts 14 are inserted into the assembly holes 18 and the screw hole rings 15, and the nuts 13 are rotated from the upper and lower positions to fix them, which can tighten the cover cloth 11 and protect the surface of the cushion.

[0029] Embodiment 3: A card plate 8 is welded at the four corners of the top of the lower protective gasket 5, and a card plate 24 is welded at the four corners of the bottom of the upper protective gasket 7. A slot 21 is provided on the surface of the card plate 8 and the card plate 24, and a card block 22 is inserted into the slot 21. A support block 23 is longitudinally fixed between the card blocks 22. The upper and lower parts of the card block 22 are respectively embedded in the slot 21. The slot 21, the card block 22 and the support block 23 are in the same vertical plane.

[0030] Specifically, Figure 1 and Figure 4 As shown, the top and bottom ends of the coil spring 6 are respectively welded between the upper protective gasket 7 and the lower protective gasket 5. In order to keep the movement trajectory of the coil spring 6 always vertical and to prevent foreign objects from affecting the rebound ability of the elastic plate, it is necessary to insert a support block 23 with a clamping block 22 between the clamping plate 1 8 and the clamping plate 24 at the corner. The support block 23 can be inserted between the clamping plate 1 8 and the clamping plate 24 and the same can be done when it is taken out by slightly expanding the lower protective gasket 5 and the upper protective gasket 7.

[0031] Working principle: When the utility model is in use, the top and bottom ends of the coil spring 6 are respectively welded between the upper protective gasket 7 and the lower protective gasket 5. In order to keep the movement trajectory of the coil spring 6 always vertical and to prevent foreign objects from affecting the rebound ability of the elastic plate, it is necessary to insert a support block 23 with a card block 22 between the card plate 1 8 and the card plate 2 24 at the corner. Only by slightly expanding the lower protective gasket 5 and the upper protective gasket 7 can the support block 23 be inserted between the card plate 1 8 and the card plate 2 24, and the same is true for taking it out. The serpentine spring 4 is arranged horizontally in the rectangular chamber 2 of the bottom plate 1, and the hooks at the front and rear ends are respectively sleeved in the hook 3 with the socket 20, so as to It is the supporting plate of the cushion, and then the frame 9 and the top plate 10 are overlapped in turn. The main sponge strips 17 and the auxiliary sponge strips 19 around the inside of the frame 9 can wrap the coil spring 6 at the center. With the fit of the lower protective gasket 5 and the upper protective gasket 7, an elastic structure is formed at the center of the cushion to achieve a better rebound effect. The surface between the bottom plate 1, the frame 9 and the top plate 10 is covered with a layer of cover cloth 11, and the two side edges of the cover cloth 11 are respectively embedded in the card groove 16, and the longitudinal bolts 14 are inserted into the assembly holes 18 and the screw hole rings 15, and the nuts 13 are rotated and fixed from the upper and lower positions respectively, which can tighten the cover cloth 11 and protect the surface of the cushion.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A serpentine spring independent spring combination sofa cushion, comprising a bottom plate (1) and a rectangular chamber (2), characterized in that: A rectangular chamber (2) is arranged inside the bottom plate (1), and hooks (3) are respectively arranged at the front and rear ends of the rectangular chamber (2), a plug hole (20) is arranged between the two sides inside the hook (3), a serpentine spring (4) is fixedly connected between the front and rear of the plug hole (20), a frame (9) is overlapped above the bottom plate (1), and main sponge strips (17) are respectively fixed on the left and right sides of the frame (9), and the front and rear ends of the frame (9) are respectively fixed A secondary sponge strip (19) is provided, a lower protective gasket (5) is placed at the center of the frame (9), and an upper protective gasket (7) is arranged at the top of the lower protective gasket (5), a coil spring (6) is welded and fixed between the upper protective gasket (7) and the lower protective gasket (5), a top plate (10) is arranged horizontally above the frame (9), and a pressure pad (12) is fixed at the center of the top plate (10), and a cover cloth (11) is laid between the top plate (10) and the pressure pad (12).

2. The serpentine spring independent spring combination sofa cushion according to claim 1, characterized in that: The front and rear ends of the serpentine spring (4) are respectively embedded in the hooks (3), and the hooks (3) are symmetrically arranged at the front and rear ends of the serpentine spring (4).

3. The serpentine spring independent spring combination sofa cushion according to claim 1, characterized in that: The lower protection gasket (5) and the upper protection gasket (7) have the same area, and the coil spring (6) can guide the lower protection gasket (5) and the upper protection gasket (7) to be vertically extruded.

4. The serpentine spring independent spring combination sofa cushion according to claim 1, characterized in that: The four corners of the bottom of the frame (9) are respectively provided with card slots (16); the four corners above the top plate (10) and below the bottom plate (1) are respectively provided with assembly holes (18); bolts (14) are meshedly connected between the assembly holes (18) and the card slots (16); nuts (13) are respectively sleeved on the upper and lower parts of the bolts (14); and screw hole rings (15) are respectively provided at the four corners of the cover cloth (11).

5. The serpentine spring independent spring combination sofa cushion according to claim 4, characterized in that: The bolt (14) is embedded in the screw hole collar (15), and the two sides of the cover cloth (11) are respectively embedded between the clamping groove (16) and the bottom plate (1).

6. The serpentine spring independent spring combination sofa cushion according to claim 4, characterized in that: The nut (13) is symmetrically sleeved on the front and rear ends of the bolt (14), and the nut (13), the bolt (14) and the assembly hole (18) are arranged in concentric circles.

7. The serpentine spring independent spring combination sofa cushion according to claim 1, characterized in that: A first card plate (8) is welded at the four corners of the top of the lower protective gasket (5), and a second card plate (24) is welded at the four corners of the bottom of the upper protective gasket (7). Surfaces of the first card plate (8) and the second card plate (24) are respectively provided with slots (21), and card blocks (22) are inserted into the slots (21), and support blocks (23) are longitudinally fixed between the card blocks (22).

8. The serpentine spring independent spring combination sofa cushion according to claim 7, characterized in that: The upper and lower parts of the card block (22) are respectively embedded in the slot (21), and the slot (21), the card block (22) and the support block (23) are located in the same vertical plane.

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