CN219537892U - Elastic limit protection structure of sofa bow spring - Google Patents

Abstract

The utility model relates to the technical field of furniture protection, in particular to an elastic limit protection structure of a sofa bow spring, which comprises a frame, wherein a plurality of bow springs are arranged at the top of the frame at equal intervals, spring clamps are arranged at two ends of each bow spring, each spring clamp is fixedly connected with the frame, a support plate is arranged at the bottom of the frame, a buffer assembly is arranged below the bow springs in the frame, a first support plate is arranged at the bottom of the buffer assembly, and a lifting assembly for changing the height of the first support plate is arranged between the first support plate and the support plate. The utility model plays a role in buffering when a user directly contacts with the harder first supporting plate, avoids uncomfortable feeling, can adapt to bow springs with different degrees of hardness, and improves the applicability of the protection structure.

Description

Elastic limit protection structure of sofa bow spring

Technical Field

The utility model relates to the technical field of furniture protection, in particular to a sofa bow spring elastic limit protection structure.

Background

The sofa is a backrest chair with springs or thick and the like, and is provided with soft furniture on two sides, wherein the types of the springs used in the sofa are approximately divided into bow springs, waist springs, spiral springs and the like, wherein the bow springs are formed by bending steel wires after heat treatment into continuous S shapes, then winding the steel wires into a round shape, and the steel wires are stressed by a return circle, so that the middle parts of the springs are arched.

Many existing sofas adopt bow springs as supporting parts, but the hardness of the bow springs in the market is hard to coordinate with or reach the best state with the impact force generated by the sitting moment of a user, if the springs are too hard, the users feel uncomfortable, and if the springs are too soft, the impact force generated by the sitting moment of the user damages the elastic limit of the springs or locally deforms the springs.

The utility model discloses a spring limit protection structure of a bow spring of a soft sofa, which comprises a square frame formed by combining square wood materials, wherein a bow spring layer is transversely arranged in parallel at the upper part of the frame, a transverse supporting plate parallel to the bow spring layer is transversely arranged at the middle part of the frame below the bow spring layer, and a rectangular supporting plate is additionally arranged and fixed at the bottom of the transverse supporting plate, so that the sofa can not deform and collapse when being used for a long time. However, the disadvantage is that the bow spring is supported by only one firmly fixed supporting plate, which causes that the spring has no space capable of deforming again after being pressed on the supporting plate, so that a user touches the supporting plate to feel hard and cause certain discomfort; and the height of the supporting plate cannot be adjusted, so that the bow springs with different degrees of softness cannot be protected.

Disclosure of Invention

In order to solve the problems that the user is uncomfortable due to hard feeling generated when the bow spring contacts the supporting plate and cannot protect the bow spring with different degrees of softness, the utility model provides a sofa bow spring elastic limit protection structure.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a sofa bow spring elasticity limit protection architecture, includes the frame, the equidistant a plurality of bow springs that are provided with in top of frame, the both ends of bow spring all are provided with the spring clamp, spring clamp and frame fixed connection, the frame bottom is provided with the backup pad, the below of the inside bow spring of frame is provided with buffer assembly, buffer assembly's bottom is provided with first layer board, first layer board with be provided with the lifting unit who is used for changing first layer board height between the backup pad portion.

As optimization, the spring clamp is fixedly connected with the frame through bolts.

As an optimization, the buffer assembly comprises a second supporting plate and a buffer layer, wherein the buffer layer is adhered to the top of the first supporting plate, and the second supporting plate is adhered to the top of the buffer layer.

As optimization, the buffer layer is a sponge.

As optimization, the lifting assembly comprises two groups of fork frames, one side of the bottom of each fork frame is in sliding connection with the supporting plate, the other side of each fork frame is in rotary connection with the supporting plate, one side of the top of each fork frame is in sliding connection with the first supporting plate, the other side of each fork frame is in rotary connection with the first supporting plate, the two groups of fork frames are in threaded connection with a rotating shaft at the bottom of each fork frame, a rotating handle is arranged on one side of each rotating shaft, and a limiting block is arranged on the other end of each rotating shaft.

The beneficial effect of this scheme is: the elastic limit protection structure of the sofa bow spring has the following advantages:

1. according to the utility model, the buffer assembly is arranged, and the second supporting plate and the buffer layer are utilized to buffer the bow spring to a certain extent, so that the bow spring is not directly contacted with the harder first supporting plate any more, the hard sense generated when the bow spring is directly contacted with the first supporting plate is weakened, a certain buffer effect is realized on the contact of a user and the first supporting plate, and the uncomfortable sense is avoided.

2. According to the utility model, the lifting assembly is arranged, the lifting principle of the scissor fork is utilized to adjust the ground clearance of the first supporting plate, so that the structure can adapt to and protect more bow springs with different degrees of softness, and the applicability of the protection structure is improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic plan view of a cushioning assembly according to the present utility model.

Fig. 3 is a schematic perspective view of a lifting assembly according to the present utility model.

Wherein, 1, a frame, 2, a bow spring, 3, a spring clip, 4, a supporting plate, 5, a buffer component, 51 and a second supporting plate, 52, buffer layer, 6, first layer board, 7, lifting assembly, 71, scissors fork, 72, pivot, 73, twist grip.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As shown in figure 1, the elastic limit protection structure of the bow spring of the sofa comprises a frame 1, wherein the frame 1 is of a cuboid structure and is used as a framework of the sofa to provide supporting force for the sofa; the top of the frame 1 is provided with a plurality of bow springs 2 at equal intervals, each bow spring 2 is arranged in parallel along the width direction of the cuboid, so that the force applied to the sofa by a user can be uniformly spread, the comfort of the sofa is improved, the two ends of each bow spring 2 are provided with spring clamps 3, and the spring clamps 3 are fixedly connected with the frame 1 and can be connected in a bolt or welding mode;

as shown in fig. 1 and 2, a support plate 4 is arranged at the bottom of the frame 1, a buffer component 5 is arranged below the internal bow spring 2 of the frame 1, a first supporting plate 6 is arranged at the bottom of the buffer component 5, the buffer component 5 is arranged above the first supporting plate 6 and used for weakening hard sense generated when the buffer component is in direct contact with the supporting plate, a certain buffer effect is achieved on the contact between a user and the supporting plate, discomfort is avoided, the buffer component 5 comprises a second supporting plate 51 and a buffer layer 52, the buffer layer 52 is adhered to the top of the first supporting plate 6, the second supporting plate 51 is adhered to the top of the buffer layer 52, and the mentioned buffer layer 52 can be sponge.

As shown in fig. 1 and 3, a lifting assembly 7 for changing the height of the first pallet 6 is disposed between the first pallet 6 and the support plate 4, wherein the lifting assembly 7 includes two sets of scissors frames 71, one side of the bottom of each scissors frame 71 is slidably connected with the support plate 4, the other side is rotatably connected with the support plate 4, one side of the top of each scissors frame 71 is slidably connected with the first pallet 6, the other side is rotatably connected with the first pallet 6, the bottoms of the two sets of scissors frames 71 are threadedly connected with a rotating shaft 72, and the two scissors frames 71 are mutually threadedly connected through one rotating shaft 72 to lift the first pallet 6 at the same speed and the same height, one end of the rotating shaft 72 is provided with a rotating handle 73 for providing power, and the other end is provided with a limiting block (not shown).

When the device is specifically used, after a user sits on the bow spring 2, the bow spring 2 deforms, the middle part of the bow spring 2 is concave towards the bottom of the frame 1, when the bearing limit of the bow spring 2 is reached, the second supporting plate 51 starts to contact the bow spring 2, a certain supporting force is provided for the bow spring 2, the bow spring 2 continues to concave and is buffered by the buffer layer 52, the uncomfortable feeling caused by larger hard contact between the bow spring 2 and the first supporting plate 6 is relieved, the deformation is stopped at the position of the first supporting plate 6, and the bow spring is protected;

after the bow springs 2 with different degrees of softness are replaced, the bearing limit is changed, at this time, if the protection structure still can play a proper role in protecting the bow springs 2, the user needs to adjust the ground clearance height of the first supporting plate 6, if the user needs to increase, the rotating handle 73 is rotated, the rotating handle 73 drives the rotating shaft 72 to rotate, the rotating shaft 72 is in threaded connection with the scissor frame 71, the distance between the two ends of the scissor frame 71 is shortened, the first supporting plate 6 is lifted, and when the ground clearance height of the first supporting plate 6 needs to be reduced, the rotating handle 73 is reversely rotated.

The above embodiments are merely specific examples of the present utility model, and the scope of the present utility model includes, but is not limited to, the product forms and styles of the above embodiments, any suitable variation or modification of the spring limit protection structure of the sofa bow spring according to the claims of the present utility model by those skilled in the art shall fall within the scope of the present utility model.

Claims (5)

1. The utility model provides a sofa bow spring elasticity limit protection architecture, includes frame (1), the top equidistant a plurality of bow springs (2) that are provided with of frame (1), the both ends of bow springs (2) all are provided with spring clamp (3), spring clamp (3) and frame (1) fixed connection, its characterized in that: the novel lifting device is characterized in that a supporting plate (4) is arranged at the bottom of the frame (1), a buffer assembly (5) is arranged below the inner bow spring (2) of the frame (1), a first supporting plate (6) is arranged at the bottom of the buffer assembly (5), and a lifting assembly (7) for changing the height of the first supporting plate (6) is arranged between the first supporting plate (6) and the supporting plate (4).

2. The sofa bow spring limit protection structure of claim 1, wherein: the spring clamp (3) is fixedly connected with the frame (1) through bolts.

3. The sofa bow spring limit protection structure of claim 2, wherein: the buffer assembly (5) comprises a second supporting plate (51) and a buffer layer (52), wherein the buffer layer (52) is adhered to the top of the first supporting plate (6), and the second supporting plate (51) is adhered to the top of the buffer layer (52).

4. A sofa bow spring limit protection structure according to claim 3, wherein: the buffer layer (52) is a sponge.

5. The sofa bow spring limit protection structure of claim 2, wherein: lifting component (7) are including two sets of fork frame (71), the bottom one side and backup pad (4) sliding connection of fork frame (71), opposite side and backup pad (4) swivelling joint, the top one side and first layer board (6) sliding connection of fork frame (71), opposite side and first layer board (6) swivelling joint, two sets of the bottom threaded connection of fork frame (71) has pivot (72), the one end of pivot (72) is provided with twist grip (73), and the other end is provided with the stopper.