Sofa caster self-adapting adjusting structure

Abstract

The utility model discloses a sofa trundle self -adaptation adjusting structure, including sofa body, the recess is set up in the bottom surface middle position department of sofa body. The utility model discloses, through opening electric telescopic handle in the recess on sofa body, electric telescopic handle drives push board to move downward, and push board moves the rack and drives the rack to move simultaneously, and the rack will drive the gear on the rotary lever to rotate simultaneously and make the connecting block on the rotary lever rotate, when the trundle and ground abut, through the use of trundle, sofa body can be moved, when moving to the specified position, through electric telescopic handle drive push board and move upward, make the rack and move upward, can drive the gear on the rotary lever to rotate, thereby can make the trundle on the rotary lever rotate, when the trundle rotates to the recess, can store the trundle to make the trundle away from the ground, can reduce the risk of trundle damage.

Description

Technical Field

[0001] This utility model relates to the field of sofa-related technology, and in particular to an adaptive adjustment structure for sofa casters. Background Technology

[0002] The sofa is the heart of the living room furniture, providing not only a comfortable seating experience but also reflecting the homeowner's taste and style. In short, the sofa is an indispensable part of home life; choosing the right sofa and maintaining it carefully can enhance the quality of life and create a warm and comfortable home environment. Sofa casters are small wheels installed at the bottom of the sofa, used to easily move the sofa while protecting the floor from scratches.

[0003] While existing sofa casters make it convenient to move the sofa, they also directly contact the ground after the sofa is moved, supporting the entire sofa. Therefore, the casters need to bear the weight of the sofa itself and the weight of the person. Over time, this may cause damage to the casters, thus affecting their lifespan. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an adaptive adjustment structure for sofa casters, which has the advantages of being able to store sofa casters after use, being highly adaptable, and having a long service life, thereby solving the problems mentioned in the background technology.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a sofa caster adaptive adjustment structure, comprising a sofa body, a groove being provided in the middle of the bottom surface of the sofa body, and an electric telescopic rod being installed on both sides of the lower surface of the top of the groove, a push plate being fixedly connected to the output end of the electric telescopic rod, side plates being provided on both sides of the inner wall of the groove, and a rotating rod being provided between the side plates, a gear being provided in the middle of the rotating rod, a rack being provided in the middle of both sides of the push plate, the rack meshing with the gear, connecting blocks being provided on both sides of the gear on the rotating rod, and a caster being provided below the connecting blocks, a limiting block being provided on the top surface of the caster, and one end of the limiting block extending into the interior of a limiting groove opened on the bottom surface of the connecting block, a positioning screw being provided through the limiting block on one side surface of the connecting block, and one end of the positioning screw extending into the interior of a threaded hole opened on one side of the inner wall of the limiting groove.

[0008] Preferably, there are multiple casters, and the multiple casters are evenly distributed in pairs on the two rotating rods.

[0009] Preferably, slots are provided on the lower surface of the top of the groove on both sides away from the electric telescopic rod, and the length and width of the slots are greater than the length and width of the rack.

[0010] Preferably, the top surface of the limiting block is provided with positioning posts on both sides, and one end of the positioning post extends into the interior of the positioning hole opened on both sides of the lower surface of the top of the limiting groove. The diameter of the positioning hole is larger than the diameter of the positioning post, and the positioning post is movably inserted into the positioning hole.

[0011] Preferably, a storage battery is fixedly installed at the middle position of the top surface of the push plate.

[0012] Preferably, the length and width of the limiting block are smaller than the length and width of the limiting groove, and the limiting block is inserted into the limiting groove.

[0013] Preferably, the positioning screw is threadedly connected to the threaded hole.

[0014] Preferably, the connecting block is fixedly connected to the rotating rod.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a sofa caster adaptive adjustment structure, which has the following beneficial effects:

[0017] (1) In this utility model, by opening the electric telescopic rod in the groove on the sofa body, the electric telescopic rod drives the push plate to move downward. While the push plate moves, it drives the rack to move. While the rack moves, it drives the gear on the rotating rod to rotate, so that the caster under the connecting block on the rotating rod rotates. When the caster is in contact with the ground, the sofa body can be moved by using the caster. After moving to the designated position, the electric telescopic rod drives the push plate to move upward, so that the rack moves upward, which drives the gear on the rotating rod to rotate, so that the caster on the rotating rod can rotate. When the caster rotates into the groove, the caster can be stored away from the ground, which can reduce the risk of damage to the caster and help extend its service life.

[0018] (2) In this utility model, by rotating the positioning screw on one side surface of the connecting block, one end of the positioning screw is moved away from the threaded hole on the inner wall of the limiting groove. Then, by moving the caster, when the limiting block on the top surface of the caster is moved away from the limiting groove, the caster can be disassembled separately, so that the damaged caster can be disassembled and replaced, which is beneficial to improving its practicality. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the adaptive adjustment structure for sofa casters proposed in this utility model;

[0021] Figure 2 This is an enlarged view (A) of a sofa caster adaptive adjustment structure proposed in this utility model;

[0022] Figure 3 This is a side sectional view of the side panel of a sofa caster adaptive adjustment structure proposed in this utility model;

[0023] Figure 4 This is a perspective view of a sofa caster adaptive adjustment structure proposed in this utility model.

[0024] Legend:

[0025] 1. Sofa body; 2. Slot; 3. Groove; 4. Side panel; 5. Casters; 6. Push plate; 7. Electric telescopic rod; 8. Battery; 9. Rack; 10. Gear; 11. Connecting block; 12. Positioning hole; 13. Positioning post; 14. Threaded hole; 15. Rotating rod; 16. Limiting groove; 17. Positioning screw; 18. Limiting block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0028] Please refer to Figure 1-4 An adaptive adjustment structure for sofa casters includes a sofa body 1. A groove 3 is formed in the middle of the bottom surface of the sofa body 1. Electric telescopic rods 7 are installed on both sides of the lower surface of the top of the groove 3. A push plate 6 is fixedly connected to the output end of the electric telescopic rods 7. Side plates 4 are provided on both sides of the inner wall of the groove 3, and a rotating rod 15 is provided between the side plates 4. A gear 10 is provided in the middle of the rotating rod 15. A rack 9 is provided in the middle of both sides of the push plate 6, and the rack 9 meshes with the gear 10. Connecting blocks 11 are provided on both sides of the rotating rod 15 at the gear 10. Casters 5 are provided below the connecting blocks 11. A limiting block 18 is provided on the top surface of the casters 5, and one end of the limiting block 18 extends into the interior of a limiting groove 16 formed on the bottom surface of the connecting block 11. A positioning screw 17 is provided through the limiting block 18 on one side surface of the connecting block 11, and one end of the positioning screw 17 extends into one side of the inner wall of the limiting groove 16. Inside the threaded hole 14, the electric telescopic rod 7 in the groove 3 on the sofa body 1 is opened. The electric telescopic rod 7 drives the push plate 6 to move downward. As the push plate 6 moves, it drives the rack 9 to move. As the rack 9 moves, it drives the gear 10 on the rotating rod 15 to rotate, causing the caster 5 under the connecting block 11 on the rotating rod 15 to rotate. When the caster 5 is in contact with the ground, the sofa body 1 can be moved by using the caster 5. After moving to the designated position, the electric telescopic rod 7 drives the push plate 6 to move upward, causing the rack 9 to move upward, which in turn drives the gear 10 on the rotating rod 15 to rotate, thus allowing the caster 5 on the rotating rod 15 to rotate. When the caster 5 rotates into the groove 3, the caster 5 can be stored away from the ground, reducing the risk of damage to the caster 5 and helping to extend its service life.

[0029] In one embodiment, a plurality of casters 5 are provided, and the plurality of casters 5 are evenly distributed in pairs on two rotating rods 15. The use of the plurality of casters 5 allows the sofa body 1 to be moved, which helps to improve the flexibility of the sofa body 1.

[0030] In one embodiment, slots 2 are provided on both sides of the lower top surface of the groove 3 away from the electric telescopic rod 7. The length and width of the slots 2 are greater than the length and width of the rack 9. By using the slots 2, the rack 9 can be inserted into the slot 2, thereby maintaining the normal movement of the rack 9 and facilitating the retraction and extension of the caster 5.

[0031] In one embodiment, positioning posts 13 are provided on both sides of the top surface of the limiting block 18, and one end of the positioning post 13 extends into the interior of the positioning hole 12 opened on both sides of the lower surface of the top of the limiting groove 16. The diameter of the positioning hole 12 is larger than the diameter of the positioning post 13. The positioning post 13 is movably inserted into the positioning hole 12. The use of the positioning post 13 and the positioning hole 12 can limit the limiting block 18 and maintain the stability of the limiting block 18 in the limiting groove 16.

[0032] In one embodiment, a storage battery 8 is fixedly installed at the middle position of the top surface of the push plate 6, wherein the storage battery 8 can be used to supply power to the electrical equipment in this device.

[0033] In one embodiment, the length and width of the limiting block 18 are smaller than the length and width of the limiting groove 16, and the limiting block 18 is inserted into the limiting groove 16.

[0034] In one embodiment, the positioning screw 17 is threadedly connected to the threaded hole 14, which can fix the limiting block 18 in the limiting groove 16.

[0035] In one embodiment, the connecting block 11 is fixedly connected to the rotating rod 15, which can improve the stability of the connecting block 11 on the rotating rod 15.

[0036] In one embodiment, the control switch control circuit can be implemented by simple programming by those skilled in the art, and is common knowledge in the field. It is only used and not modified, so the control method and circuit connection will not be described in detail.

[0037] Working principle:

[0038] In use, by opening the electric telescopic rod 7 in the groove 3 on the sofa body 1, the electric telescopic rod 7 drives the push plate 6 to move downwards. Simultaneously, the push plate 6 moves the rack 9, which in turn drives the gear 10 on the rotating rod 15 to rotate. This causes the caster 5, which is lowered by the connecting block 11 on the rotating rod 15, to rotate. When the caster 5 contacts the ground, the sofa body 1 can be moved. Once moved to the designated position, the electric telescopic rod 7 drives the push plate 6 upwards, causing the rack 9 to move upwards, which in turn drives the gear 10 on the rotating rod 15 to rotate. This allows the caster 5 on the rotating rod 15 to rotate. When the caster 5 rotates into the groove 3, it can be stored away from the ground, reducing the risk of damage and extending its service life. By rotating the positioning screw 17 on one side of the connecting block 11, one end of the positioning screw 17 moves away from the threaded hole 14 on the inner wall of the limiting groove 16. Then, by moving the caster 5, when the limiting block 18 on the top surface of the caster 5 moves away from the limiting groove 16, the caster 5 can be disassembled separately. This allows for the removal and replacement of damaged casters, improving its practicality.

[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sofa caster adaptive adjustment structure, comprising a sofa body (1), characterized in that, A groove (3) is provided in the middle of the bottom surface of the sofa body (1), and electric telescopic rods (7) are installed on both sides of the lower surface of the top of the groove (3). The output end of the electric telescopic rod (7) is fixedly connected to a push plate (6). Side plates (4) are provided on both sides of the inner wall of the groove (3), and a rotating rod (15) is provided between the side plates (4). A gear (10) is provided in the middle of the rotating rod (15). A rack (9) is provided in the middle of both sides of the push plate (6). The rack (9) meshes with the gear (10). Connecting blocks (11) are provided on both sides of the gear (10) on the rotating rod (15), and casters (5) are provided below the connecting blocks (11). A limiting block (18) is provided on the top surface of the caster (5), and one end of the limiting block (18) extends into the interior of the limiting groove (16) opened on the bottom surface of the connecting block (11). A positioning screw (17) is provided through the limiting block (18) on one side surface of the connecting block (11), and one end of the positioning screw (17) extends into the interior of the threaded hole (14) opened on one side of the inner wall of the limiting groove (16).

2. The adaptive adjustment structure for sofa casters according to claim 1, characterized in that, There are multiple casters (5), and the multiple casters (5) are evenly distributed on the two rotating rods (15).

3. The adaptive adjustment structure for sofa casters according to claim 1, characterized in that, The groove (3) has slots (2) on both sides away from the electric telescopic rod (7) on the lower surface of the top. The length and width of the slots (2) are greater than the length and width of the rack (9).

4. The adaptive adjustment structure for sofa casters according to claim 1, characterized in that, The top surface of the limiting block (18) is provided with positioning posts (13) on both sides, and one end of the positioning post (13) extends into the interior of the positioning hole (12) opened on both sides of the bottom surface of the limiting groove (16). The diameter of the positioning hole (12) is larger than the diameter of the positioning post (13), and the positioning post (13) is movably inserted into the positioning hole (12).

5. The adaptive adjustment structure for sofa casters according to claim 1, characterized in that, A storage battery (8) is fixedly installed at the middle position of the top surface of the push plate (6).

6. The adaptive adjustment structure for sofa casters according to claim 1, characterized in that, The length and width of the limiting block (18) are smaller than the length and width of the limiting groove (16), and the limiting block (18) is inserted into the limiting groove (16).

7. The adaptive adjustment structure for sofa casters according to claim 1, characterized in that, The positioning screw (17) is threadedly connected to the threaded hole (14).

8. The adaptive adjustment structure for sofa casters according to claim 1, characterized in that, The connecting block (11) is fixedly connected to the rotating rod (15).

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