Hidden moving device for sofa

Abstract

The utility model relates to the technical field of furniture, and provides a sofa hidden type moving device which comprises a sofa base, side plates are fixed to the two sides of the bottom end of the sofa base, lifting structures are evenly fixed to the two sides of the bottom end of the sofa base, and detachable moving structures are arranged at the bottom ends of the lifting structures. The detachable moving structure comprises upper connecting plates rotationally connected to the bottom of the bottom plate, and lower connecting plates are arranged at the bottom ends of the upper connecting plates. The detachable moving structure is arranged, the moving wheels are fixed to the lower connecting plate through the fixing bolts, when replacement or cleaning is needed, the moving wheels can be taken down only by disassembling the fixing bolts, the whole structure does not need to be replaced when a single wheel is damaged, cost is reduced, the lower connecting base is rotationally connected with the moving wheels, 360-degree steering is supported, more labor is saved in movement, and the moving wheels are convenient to use. According to the hidden moving device for the sofa, the function that the moving wheels are convenient to disassemble and assemble is achieved, and the convenience and applicability of the hidden moving device for the sofa during use are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field, especially a sofa hidden type moving device. BACKGROUND

[0002] In the process of urbanization, the proportion of small-sized housing increases, and users urgently need space utilization and flexible layout of furniture. Traditional sofas are large in size, heavy in weight, and need to be moved by multiple people, which can easily damage the floor or sofa casters, especially for the elderly or the elderly, which is extremely unfriendly. Therefore, a sofa hidden type moving device needs to be designed.

[0003] Therefore, the patent with publication number CN213550785U discloses an intelligent home sofa hidden type moving base, which comprises an intelligent home sofa, a handrail is arranged at the left end of the intelligent home sofa, a connecting plate is arranged at the right side of the handrail, a sweeper is arranged at the bottom of the intelligent home sofa, and a hidden type base is arranged above the sweeper. A drawer is installed inside the existing hidden type base, daily items can be placed in the drawer, which greatly utilizes the large space of the sofa base. A hydraulic lifting device is installed between the hidden type base and the partition plate, which can freely and flexibly adjust the lifting of the hidden type base. A sweeper is installed below the sofa hidden type base, four universal wheels are installed on the sweeper, and the hidden type base can be adjusted to descend when the sofa needs to be moved. The sofa is easily moved with the universal wheels, and the sweeper at the bottom of the hidden type base can clean the ground, which brings great convenience to our life.

[0004] Although the intelligent home sofa hidden type moving base can clean the ground during use, the moving wheels are easily damaged during long-term use, and the moving wheels are not convenient to replace quickly. Therefore, a sofa hidden type moving device needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a sofa hidden type moving device, which solves the defects of the existing sofa hidden type moving device, i.e. the moving wheels are easily damaged during long-term use, and the moving wheels are not convenient to replace quickly.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a sofa hidden type moving device, which comprises a sofa base.

[0007] The two sides of the bottom end of the sofa base are fixed with side plates.

[0008] The two sides of the bottom end of the sofa base are fixed with lifting structures.

[0009] The bottom end of the lifting structure is provided with a detachable moving structure, the upper connecting plate is rotationally connected to the bottom of the bottom plate, the bottom end of the upper connecting plate is provided with a lower connecting plate, the inside of the lower connecting plate is penetrated by a fixing bolt, and the bottom end of the lower connecting plate is rotationally connected with a lower connecting seat, and the bottom end of the lower connecting seat is fixedly provided with a moving wheel.

[0010] Further, the lifting structure comprises mounting seats, servo motors, lead screws, guide rods, lifting blocks, bottom plates and connecting rods, the mounting seats are uniformly fixed to the two sides of the bottom end of the sofa base, the inside of the mounting seat is provided with a lifting block, the inside of the lifting block is threadedly connected with a lead screw, the two sides of the lead screw are provided with guide rods, the two sides of the bottom end of the lifting block are fixedly provided with connecting rods, the servo motor is fixedly installed at the bottom end of the mounting seat, and the bottom end of the connecting rod is fixedly provided with a bottom plate.

[0011] Further, the mounting seats are symmetrically distributed on the two sides of the sofa base.

[0012] Further, the top end of the lead screw extends to the inside of the mounting seat and is rotationally connected with the mounting seat.

[0013] Further, the bottom end of the lead screw extends to the outside of the mounting seat and is fixedly connected with the output end of the servo motor.

[0014] Further, the two ends of the guide rod are fixedly connected with the inner wall of the mounting seat, and the guide rod is slidingly connected with the lifting block.

[0015] Further, the central axis of the upper connecting plate and the central axis of the lower connecting seat are collinear, and the top end of the fixing bolt extends to the inside of the upper connecting plate.

[0016] The sofa hidden type moving device has the advantages that:

[0017] The detachable moving structure is arranged, the moving wheel is fixedly connected with the lower connecting plate through the fixing bolt, when replacement or cleaning is needed, the moving wheel can be removed only by dismounting the fixing bolt, when a single wheel is damaged, the whole structure does not need to be replaced, cost is reduced, the lower connecting seat is rotationally connected with the moving wheel, 360° turning is supported, moving is more labor-saving, the device has the functions of facilitating dismounting and mounting of the moving wheel, and the convenience and applicability of the sofa hidden type moving device during use are improved.

[0018] By setting the lifting structure, the servo motor drives the screw rod to rotate, and the lifting block moves up and down along the guide rod, so that the stable lifting of the sofa base can be realized, the problems of oil leakage or unstable air pressure of the traditional hydraulic device can be avoided, the lifting structure can facilitate the placement of the moving wheel on the ground, the sofa can be easily lifted up, the moving wheel can drive the sofa to move, the device has the function of easily lifting the detachable moving structure up for hiding, and the convenience of the sofa hidden type moving device during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a front view cross-section structure schematic view of the utility model;

[0021] Figure 3 It is a Figure 2 It is an enlarged structure schematic view of the middle A;

[0022] Figure 4 It is a side view cross-section structure schematic view of the utility model;

[0023] Figure 5 It is a side view cross-section three-dimensional structure schematic view of the utility model;

[0024] Figure 6 It is a bottom view cross-section structure schematic view of the utility model.

[0025] The reference signs in the drawing are explained as follows: 1, sofa base; 2, side plate; 3, lifting structure; 31, mounting seat; 32, servo motor; 33, screw rod; 34, guide rod; 35, lifting block; 36, bottom plate; 37, connecting rod; 4, detachable moving structure; 41, upper connecting plate; 42, lower connecting plate; 43, fixing bolt; 44, lower connecting seat; 45, moving wheel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-6 The utility model provides a sofa hidden type moving device, including sofa base 1.

[0028] Refer to Figures 1-6, the two sides of the bottom end of the sofa base 1 are fixed with side plates 2, and the two sides of the bottom end of the sofa base 1 are uniformly fixed with lifting structures 3, the lifting structure 3 comprises a mounting seat 31, a servo motor 32, a lead screw 33, a guide rod 34, a lifting block 35, a bottom plate 36 and a connecting rod 37, the mounting seat 31 is uniformly fixed on the two sides of the bottom end of the sofa base 1, the inner side of the mounting seat 31 is provided with the lifting block 35, the inside of the lifting block 35 is threadedly connected with the lead screw 33, the two sides of the lead screw 33 are provided with the guide rod 34, the two sides of the bottom end of the lifting block 35 are fixed with the connecting rod 37, the servo motor 32 is fixedly installed at the bottom end of the mounting seat 31, the bottom end of the connecting rod 37 is fixed with the bottom plate 36, the mounting seat 31 is symmetrically distributed on the two sides of the sofa base 1, the top end of the lead screw 33 extends to the inside of the mounting seat 31 and is rotationally connected with the mounting seat 31, the bottom end of the lead screw 33 extends to the outside of the mounting seat 31 and is fixedly connected with the output end of the servo motor 32, the two ends of the guide rod 34 are fixedly connected with the inner wall of the mounting seat 31, and the guide rod 34 is slidingly connected with the lifting block 35.

[0029] An external power supply is started, the servo motor 32 drives the lead screw 33 to rotate forward, the lead screw 33 drives the lifting block 35 to move upward along the guide rod 34 when rotating, the bottom plate 36 is pulled upward through the connecting rod 37, so that the moving wheel 45 is separated from the ground, the sofa is fixed, and the servo motor 32 reverses to drive the lifting block 35 to move downward, so that the bottom plate 36 is pressed downward, and the moving wheel 45 contacts the ground, so that the sofa can be moved through the moving wheel 45.

[0030] Referring to Figures 1-5 The bottom end of the lifting structure 3 is provided with a detachable moving structure 4, the detachable moving structure 4 comprises upper connecting plates 41 rotationally connected to the bottom of the bottom plate 36, the bottom end of the upper connecting plate 41 is provided with a lower connecting plate 42, the inside of the lower connecting plate 42 is penetrated through with a fixing bolt 43, the bottom end of the lower connecting plate 42 is rotationally connected with a lower connecting seat 44, the bottom end of the lower connecting seat 44 is fixed with a moving wheel 45, the central axis of the upper connecting plate 41 is collinear with the central axis of the lower connecting seat 44, and the top end of the fixing bolt 43 extends to the inside of the upper connecting plate 41.

[0031] After the lifting structure 3 is lowered, the moving wheel 45 contacts the ground, when the user pushes the sofa, the lower connecting seat 44 rotates freely in the direction of force, so that flexible movement can be realized, the lifting structure 3 is lifted, the moving wheel 45 is suspended, the weight of the sofa is directly transmitted to the ground through the side plate 2, and stability is maintained.

[0032] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sofa concealed moving device, comprising a sofa base (1); Its features are: The sofa base (1) has side panels (2) fixed on both sides of its bottom end; The sofa base (1) has lifting structures (3) evenly fixed on both sides of its bottom end; The bottom end of each lifting structure (3) is provided with a detachable movable structure (4). The detachable movable structure (4) includes an upper connecting plate (41) rotatably connected to the bottom of the base plate (36). The bottom end of each upper connecting plate (41) is provided with a lower connecting plate (42). The interior of each lower connecting plate (42) is permeated with a fixing bolt (43). The bottom end of each lower connecting plate (42) is rotatably connected with a lower connecting seat (44). The bottom end of each lower connecting seat (44) is fixed with a moving wheel (45).

2. The sofa concealed moving device according to claim 1, characterized in that: The lifting structure (3) includes a mounting base (31), a servo motor (32), a lead screw (33), a guide rod (34), a lifting block (35), a base plate (36), and a connecting rod (37). The mounting base (31) is evenly fixed on both sides of the bottom end of the sofa base (1). The inner side of the mounting base (31) is provided with a lifting block (35). The inside of the lifting block (35) is threaded with a lead screw (33). The two sides of the lead screw (33) are provided with guide rods (34). The two sides of the bottom end of the lifting block (35) are fixed with connecting rods (37). The servo motor (32) is fixedly installed on the bottom end of the mounting base (31). The bottom end of the connecting rod (37) is fixed with a base plate (36).

3. The sofa concealed moving device according to claim 2, characterized in that: The mounting bases (31) are symmetrically distributed on both sides of the sofa base (1).

4. The sofa concealed moving device according to claim 2, characterized in that: The top of each lead screw (33) extends into the interior of the mounting base (31) and is rotatably connected to the mounting base (31).

5. A sofa concealed moving device according to claim 2, characterized in that: The bottom ends of the lead screws (33) all extend to the outside of the mounting base (31) and are fixedly connected to the output end of the servo motor (32).

6. A sofa concealed moving device according to claim 2, characterized in that: Both ends of the guide rod (34) are fixedly connected to the inner wall of the mounting base (31), and the guide rod (34) and the lifting block (35) are slidably connected.

7. A sofa concealed moving device according to claim 1, characterized in that: The central axis of the upper connecting plate (41) and the central axis of the lower connecting seat (44) are collinear, and the top of the fixing bolt (43) extends into the interior of the upper connecting plate (41).

Images