Telescopic adjusting frame at bottom of electric sofa

Abstract

The utility model discloses a bottom telescopic adjusting frame of an electric sofa, which relates to the technical field of electric sofas and comprises a first bottom frame, one end of the first bottom frame is provided with a mounting groove, one end in the mounting groove is provided with a first cylinder, the telescopic end of the first cylinder is fixedly connected with a second bottom frame, and one end of the first bottom frame is provided with a containing groove. One end of the second bottom frame is fixedly connected with a moving seat, the moving seat is in sliding connection with the interior of the containing groove, the upper end of the moving seat is provided with a second air cylinder, the telescopic end of the second air cylinder is fixedly connected with a mounting plate, the upper end of the mounting plate is provided with a cushion plate, and buffer assemblies are symmetrically arranged between the cushion plate and the mounting plate and close to the chamfer. By adopting the structure, the first bottom frame and the second bottom frame can be completely combined, so that the electric sofa can be a compact whole, the occupied space is obviously reduced, and the completely combined frame generally has better structural stability and can bear larger weight and pressure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric sofa technical field, especially relate to a electric sofa bottom telescopic adjusting frame. BACKGROUND

[0002] Sofa is a kind of furniture, usually placed in the living room, rest room or office, etc. Place for people to sit and rest. It is usually composed of seat cushion, backrest, armrest and frame, etc. The material is various, including leather, cloth, wood, metal, etc. The design style and size of sofa are different, which can be selected according to different needs and space. Among them, electric sofa is a kind of modern furniture integrating comfort and functionality. Through built-in electric motor mechanism, users can easily adjust the posture of sofa through remote control or preset program, such as adjusting the reclining angle of backrest, lifting the height of foot, and even realizing overall lying conversion, to adapt to the needs of reading, watching TV, resting or sleeping in various sitting and lying positions.

[0003] Publication number "CN217565456U" a bottom telescopic adjusting frame of electric sofa, including two bottom frames, two the bottom frame opposite side all are set up with containing groove, the inner bottom wall of each containing groove all is fixed with two guide sliding rails symmetrically, each guide sliding rail all is matched and installed with sliding seat, each sliding seat all is provided with fixed frame, a plurality of fixed frames are supported with placing box body together, the inner side wall of one containing groove is installed with first air cylinder. Advantage lies in: through setting first air cylinder, second air cylinder, guide sliding rail, placing box body and pressure distribution track, the distance of bottom frame can be adjusted, when two bottom frames are placed close, the floor area of sofa is smaller, when two bottom frames separate, can increase the length of sofa sitting area, to adapt to different use scene, pressure distribution track can support second air cylinder and placing box body, improve the stability of device structure.

[0004] Although the above-mentioned utility model can adjust the distance of bottom frame by setting first air cylinder, second air cylinder, guide sliding rail, placing box body and pressure distribution track, when two bottom frames are placed close, the floor area of sofa is smaller, when two bottom frames separate, can increase the length of sofa sitting area, to adapt to different use scene, but when two bottom frames are combined, two bottom frames cannot be completely combined, which will make sofa occupy more space when not using the extension function, which is contrary to the design concept of electric sofa aiming at saving space, and if two frames cannot be closely combined, it will affect the stability of the overall structure of sofa. When using, users may feel shaking or instability, which will affect the comfort and use experience of sofa. UTILITY MODEL CONTENTS

[0005] In view of the problems mentioned in the background art, the utility model aims at providing an electric sofa bottom telescopic adjusting frame to solve the problem that two bottom frames cannot be completely combined when combined, which will occupy more space when the extension function is not used, which is contrary to the design concept of electric sofa aiming at saving space, and if the two frames cannot be combined tightly, the stability of the overall structure of the sofa will be affected, and the user may feel shaking or instability during use, thereby affecting the comfort and use experience of the sofa.

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

[0007] An electric sofa bottom telescopic adjusting frame, comprising a first bottom frame, a mounting groove is formed at one end of the first bottom frame, a first air cylinder is mounted at one end inside the mounting groove, a second bottom frame is fixedly connected to the telescopic end of the first air cylinder, a containing groove is formed at one end of the first bottom frame, a moving seat is fixedly connected to one end of the second bottom frame, the moving seat and the inside of the containing groove are in sliding connection, a second air cylinder is mounted on the upper end of the moving seat, an installation plate is fixedly connected to the telescopic end of the second air cylinder, a cushion plate is mounted on the upper end of the installation plate, buffer assemblies are symmetrically arranged between the cushion plate and the installation plate near the chamfer, positioning blocks are symmetrically fixedly connected to one end of the first bottom frame, a positioning assembly is mounted at one end of the positioning block, support seats are symmetrically fixedly connected to the bottom end of the first bottom frame near the chamfer, and moving wheels are symmetrically mounted at the bottom end of the second bottom frame near the chamfer, so that the first bottom frame and the second bottom frame can be completely combined, the electric sofa can be presented as a compact whole, the occupied space is significantly reduced, and the completely combined frame usually has better structural stability and can bear greater weight and pressure.

[0008] As a preferred technical scheme, limit blocks are symmetrically fixedly connected to the inside bottom end of the containing groove, limit grooves are symmetrically formed at the bottom end of the moving seat, the limit grooves and the limit blocks are in sliding connection, and the sliding of the limit blocks in the limit grooves ensures the accurate positioning of the moving seat during movement, which can prevent the moving seat from deviating or shaking during movement, thereby ensuring the stability and safety of the sofa.

[0009] As a preferred technical scheme, guide grooves are symmetrically formed at both ends inside the containing groove, guide wheels are symmetrically rotatably connected to both ends of the moving seat, the guide wheels and the guide grooves are in sliding connection, and the cooperation of the guide wheels and the guide grooves enables the moving seat to move stably during movement, avoids shaking or jumping, provides a fixed movement track, and ensures the stability of the structure of the sofa during adjustment.

[0010] As a preferred technical solution, the buffer assembly comprises a buffer seat, a first limiting column, a first built-in hole, a first buffer spring and a second limiting column, the upper end of the mounting plate is fixedly connected with the buffer seat symmetrically near the chamfer, the bottom end of the cushion plate is fixedly connected with the buffer seat symmetrically near the chamfer, the upper end of the buffer seat of the mounting plate is fixedly connected with the first limiting column, the upper end of the first limiting column is provided with the first built-in hole, the first end of the first built-in hole is fixedly connected with the first buffer spring, the other end of the first buffer spring is fixedly connected with the second limiting column, the second limiting column is in sliding connection with the first built-in hole, the end of the second limiting column away from the first buffer spring is fixedly connected with the buffer seat of the bottom end of the cushion plate, the first limiting column and the second limiting column are sleeved with the second buffer spring, and the first end and the second end of the second buffer spring are fixedly connected with the opposite ends of the buffer seat respectively, so that the impact force generated when a human being sits down can be effectively absorbed, the sofa cushion is softer and more comfortable, fatigue caused by long-time sitting posture can be reduced, users can enjoy more relaxed rest time, pressure on the cushion can be dispersed, the pressure borne by the sofa frame is more uniform, the overall stability of the sofa can be improved, and deformation or damage caused by long-time use or excessive load can be reduced.

[0011] As a preferred technical solution, the positioning assembly comprises a second built-in hole, a reset spring and a positioning column, the one end of the positioning block is provided with the second built-in hole, the first end of the second built-in hole is fixedly connected with the reset spring, the other end of the reset spring is fixedly connected with the positioning column, the positioning column is in sliding connection with the second built-in hole, the end of the positioning column away from the reset spring extends out of the side end of the positioning block and is provided as an arc surface, the one end of the second bottom frame is symmetrically provided with the positioning slot, the positioning slot is in insertion with the positioning block, the one end of the positioning slot is provided with the positioning hole, and the positioning hole is in clamping connection with the positioning column, so that the bottom frame can be accurately docked when being combined, structural instability caused by misalignment or shaking can be avoided, the electric sofa is more stable when bearing load, and safety hazards caused by structural problems can be reduced.

[0012] In summary, the utility model mainly has the following beneficial effects:

[0013] Firstly, in the utility model, the second cylinder is started to drive the mounting plate to lower the cushion plate, then the first cylinder is started to control the first cylinder to drive the second bottom frame to move, at the same time, the second bottom frame drives the moving seat to move in the containing groove, the moving seat drives the guide wheel to slide in the guide groove when moving, and drives the limiting slot to slide outside the limiting block, the moving seat is moved into the containing groove, the first bottom frame and the second bottom frame can be completely combined, the electric sofa can be a compact whole, the occupied space is significantly reduced, and the completely combined frame usually has better structural stability, can bear greater weight and pressure, and is particularly beneficial for frequently accommodating multiple people or bearing heavy objects.

[0014] Second, in the utility model, when the user sits on the cushion plate, the cushion plate drives the second limiting column to descend inside the built-in hole to slide, the second limiting column is pressed to the first buffer spring, the first buffer spring is compressed, the buffer seat under the cushion plate is pressed to the buffer seat on the mounting plate at the same time, the second buffer spring is compressed, the impact force generated when the human being sits down can be effectively absorbed, the sofa cushion is softer and more comfortable, fatigue brought by long time sitting posture is also helped to reduce, the user can enjoy more relaxed rest time, moreover, the pressure on the cushion can be dispersed, the pressure borne by the sofa frame is more uniform, the overall stability of the sofa is helped to enhance, deformation or damage caused by long time use or excessive load is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 is the sectional three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 is the first bottom frame three-dimensional structure schematic diagram of the utility model;

[0018] Figure 4 is the moving seat three-dimensional structure schematic diagram of the utility model;

[0019] Figure 5 is the sectional three-dimensional structure schematic diagram of the positioning block of the utility model;

[0020] Figure 6 is the sectional three-dimensional structure schematic diagram of the positioning groove of the utility model;

[0021] Figure 7 is the sectional three-dimensional structure schematic diagram of the buffer assembly of the utility model.

[0022] Reference signs: 1, first bottom frame;2, second bottom frame;3, mounting groove;4, first air cylinder;5, containing groove;6, moving seat;7, limiting block;8, limiting groove;9, guide wheel;10, guide groove;11, second air cylinder;12, mounting plate;13, cushion plate;14, buffer assembly;141, buffer seat;142, first limiting column;143, first built-in hole;144, first buffer spring;145, second limiting column;15, second buffer spring;18, positioning block;19, positioning groove;20, positioning assembly;201, second built-in hole;202, reset spring;203, positioning column;21, positioning hole. DETAILED DESCRIPTION

[0023] EMBODIMENT

[0024] REFERENCE Figures 1 to 7The embodiment disclosed by the electric sofa bottom telescopic adjusting frame, including first bottom frame 1, first bottom frame 1 one end is provided with installation slot 3, the inside one end of installation slot 3 is provided with first cylinder 4, the telescopic end of first cylinder 4 is fixedly connected with second bottom frame 2, first bottom frame 1 one end is provided with containing slot 5, second bottom frame 2 one end is fixedly connected with mobile seat 6, mobile seat 6 and containing slot 5 inside are slidingly connected, mobile seat 6 upper end is installed with second cylinder 11, the telescopic end of second cylinder 11 is fixedly connected with mounting plate 12, mounting plate 12 upper end is installed with cushion plate 13, the buffer assembly 14 is symmetrically arranged between cushion plate 13 and mounting plate 12 near the chamfer, first bottom frame 1 one end is fixedly connected with positioning block 18, positioning block 18 one end is installed with positioning assembly 20, start second cylinder 11, drive mounting plate 12 to drive cushion plate 13 to descend, then start first cylinder 4, control first cylinder 4 to drive second bottom frame 2 to move, while second bottom frame 2 drives mobile seat 6 to move in containing slot 5 inside, mobile seat 6 drives second bottom frame 2 and first bottom frame 1 to merge, while mobile seat 6 moves to containing slot 5 inside, first bottom frame 1 and second bottom frame 2 completely merge.

[0025] Reference Figures 3 to 4 The inside bottom of containing slot 5 is fixedly connected with limiting block 7, the bottom of mobile seat 6 is symmetrically provided with limiting slot 8, limiting slot 8 and limiting block 7 are slidingly connected, start first cylinder 4, control mobile seat 6 to move in containing slot 5 inside, mobile seat 6 drives the limiting slot 8 below to slide outside the limiting block 7 at the bottom of containing slot 5.

[0026] Reference Figures 3 to 4 The inside of containing slot 5 is symmetrically provided with guide slot 10 at both ends, mobile seat 6 is symmetrically rotatably connected with guide wheel 9 at both ends, guide wheel 9 and guide slot 10 are slidingly connected, start first cylinder 4, control mobile seat 6 to move in containing slot 5 inside, mobile seat 6 drives both ends of guide wheel 9 to slide in guide slot 10 at both ends of containing slot 5.

[0027] Reference Figure 7The buffer assembly 14 comprises a buffer seat 141, a first limiting column 142, a first built-in hole 143, a first buffer spring 144 and a second limiting column 145, the upper end of the mounting plate 12 close to the chamfer and the bottom end of the cushion plate 13 close to the chamfer are symmetrically and fixedly connected with the buffer seat 141, the upper end of the buffer seat 141 of the upper end of the mounting plate 12 is fixedly connected with the first limiting column 142, the upper end of the first limiting column 142 is provided with the first built-in hole 143, one end inside the first built-in hole 143 is fixedly connected with the first buffer spring 144, the other end of the first buffer spring 144 is fixedly connected with the second limiting column 145, the second limiting column 145 is in sliding connection with the inside of the first built-in hole 143, one end of the second limiting column 145 away from the first buffer spring 144 is fixedly connected with the bottom end buffer seat 141 of the cushion plate 13, the first limiting column 142 and the second limiting column 145 are provided with the second buffer spring 15, the first and second ends of the second buffer spring 15 are fixedly connected with the opposite ends of the buffer seat 141 respectively, when a user sits on the cushion plate 13, the cushion plate 13 drives the second limiting column 145 to descend and slide inside the built-in hole, the second limiting column 145 is pressed towards the first buffer spring 144, the first buffer spring 144 is compressed, at the same time, the buffer seat 141 below the cushion plate 13 is pressed towards the buffer seat 141 on the mounting plate 12, so that the second buffer spring 15 is compressed, and the impact force generated when a person sits down is absorbed.

[0028] Reference Figures 5 to 6 The positioning assembly 20 comprises a second built-in hole 201, a reset spring 202 and a positioning column 203, one end of the positioning block 18 is provided with the second built-in hole 201, one end inside the second built-in hole 201 is fixedly connected with the reset spring 202, the other end of the reset spring 202 is fixedly connected with the positioning column 203, the positioning column 203 is in sliding connection with the inside of the second built-in hole 201, one end of the positioning column 203 away from the reset spring 202 extends out of the side end of the positioning block 18 and is provided as an arc surface, one end of the second bottom frame 2 is symmetrically provided with the positioning slot 19, the positioning slot 19 is in insertion with the positioning block 18, one end of the positioning slot 19 is provided with the positioning hole 21, the positioning hole 21 is in clamping with the positioning column 203, when the moving seat 6 drives the second bottom frame 2 to combine with the first bottom frame 1, the positioning block 18 is inserted into the inside of the positioning slot 19, in the process of insertion, the extrusion force is applied to the arc surface of the positioning column 203, so that the positioning column 203 is pressed towards the reset spring 202, the reset spring 202 is compressed, the positioning column 203 is retracted into the inside of the second built-in hole 201, when the positioning column 203 moves to the positioning hole 21, the reset spring 202 resets, the positioning column 203 pops out, the positioning column 203 is in insertion with the positioning hole 21, and the positioning of the combination of the first bottom frame 1 and the second bottom frame 2 is completed.

[0029] Use principle and advantage: first, start the first cylinder 4, control the first cylinder 4 and push the second bottom frame 2 to move, and the second bottom frame 2 drives the moving seat 6 to move inside the containing groove 5, the moving seat 6 drives the guide wheel 9 to slide in the guide groove 10 when moving, and drives the limiting groove 8 to slide outside the limiting column, opens the movement, then starts the second cylinder 11, drives the mounting plate 12 to drive the cushion plate 13 to rise, when the user sits on the cushion plate 13, the cushion plate 13 drives the second limiting column 145 to slide in the built-in hole, the second limiting column 145 is pressed to the first buffer spring 144, the first buffer spring 144 is compressed, and the buffer seat 141 below the cushion plate 13 is pressed to the buffer seat 141 on the mounting plate 12, so that the second buffer spring 15 is compressed, the impact force generated when the human body sits down is absorbed, finally, the second cylinder 11 is started, the mounting plate 12 is pushed to drive the cushion plate 13 to descend, then the first cylinder 4 is started, the first cylinder 4 is controlled to push the second bottom frame 2 to move, and the second bottom frame 2 drives the moving seat 6 to move inside the containing groove 5, the moving seat 6 drives the second bottom frame 2 to merge with the first bottom frame 1, and the moving seat 6 moves to the containing groove 5 inside, the first bottom frame 1 and the second bottom frame 2 are completely merged;

[0030] The utility model can make the first bottom frame 1 and the second bottom frame 2 completely merge, make the electric sofa can present one compact whole, remarkably reduced the occupied space, and the frame that completely merges usually has better structural stability, can bear greater weight and pressure, is especially favorable for the condition that often needs to contain many people or bear heavy object.

Claims

1. A power reclining sofa base frame comprising a first base frame, characterized by: The first bottom frame is provided with a mounting groove at one end, a first cylinder is mounted at one end of the mounting groove, and the telescopic end of the first cylinder is fixedly connected with a second bottom frame.

2. An electrically powered sofa base telescoping frame according to claim 1, wherein: The inside bottom end of the accommodating groove is fixedly connected with a limiting block, and the bottom end of the moving seat is provided with a limiting groove.

3. The power reclining sofa base frame of claim 1, wherein: The inside two ends of the accommodating groove are provided with guide grooves, and the two ends of the moving seat are symmetrically connected with guide wheels.

4. The power reclining sofa base frame of claim 1, wherein: The buffer assembly comprises a buffer seat, a first limiting column, a first built-in hole, a first buffer spring and a second limiting column, the upper end of the mounting plate is fixedly connected with a buffer seat near the chamfer, the upper end of the buffer seat of the mounting plate is fixedly connected with a first limiting column, the upper end of the first limiting column is provided with a first built-in hole, the inside one end of the first built-in hole is fixedly connected with a first buffer spring, the other end of the first buffer spring is fixedly connected with a second limiting column, the second limiting column is in sliding connection with the inside of the first built-in hole, and the end of the second limiting column away from the first buffer spring is fixedly connected with the bottom end buffer seat of the cushion pad.

5. An electrically powered sofa base telescoping frame according to claim 4, wherein: The first limiting column and the second limiting column are provided with a second buffer spring outside, and the opposite ends of the second buffer spring are fixedly connected with the buffer seats.

6. The power reclining sofa base frame of claim 1, wherein: The positioning assembly comprises a second built-in hole, a reset spring and a positioning column, the one end of the positioning block is provided with a second built-in hole, the inside one end of the second built-in hole is fixedly connected with a reset spring, the other end of the reset spring is fixedly connected with a positioning column, the positioning column is in sliding connection with the inside of the second built-in hole, and the end of the positioning column away from the reset spring extends out of the side end of the positioning block and is provided as an arc surface.

7. The power reclining sofa base frame of claim 1, wherein: The one end of the second bottom frame is provided with a positioning groove, the positioning groove is in plug connection with the positioning block, the one end of the positioning groove is provided with a positioning hole, and the positioning hole is in clamping connection with the positioning column.

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