Movable sofa with stretching function

Abstract

The utility model discloses a movable sofa with a stretching function, which comprises a seat cushion, a base is arranged at the bottom of the seat cushion, a first back cushion is distributed on one side of the seat cushion, a second back cushion is distributed on one side, far away from the seat cushion, of the first back cushion, a connecting shaft is connected to the top joint of the second back cushion and the first back cushion, and the second back cushion is connected to the top joint of the second back cushion and the first back cushion. The first back cushion and the second back cushion are rotatably connected through a connecting shaft, heating cushions are distributed on the outer sides of the second back cushion and the first back cushion, the first back cushion and the second back cushion are rotated and flattened to lie on the bed, a motor can be started to pull a sliding rod to move, a movable shaft seat is made to be close to a base, and the heating cushions are arranged on the movable shaft seat. The lower end of the second back cushion is driven to be close to the base, the connecting position of the second back cushion and the first back cushion is arched upwards, the back of a person lying down is supported through the protection cushion, the back of the person is arched reversely and extends, and the heating cushion can also play a role in heating the back and assisting stretching.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field, concretely is a movable sofa with stretching function. BACKGROUND

[0002] The movable sofa with stretching function is usually called functional sofa or electric sofa, and is a kind of modern furniture that combines comfort and practicality, which can adjust sofa form by manual or electric mode, especially can stretch or unfold to provide more sitting and lying space.

[0003] According to the search, like Chinese patent document CN216534599U discloses a movable sofa with stretching function, which can improve the comfort of people sitting on the sofa, and the sofa is convenient for people to stretch or shorten its length according to the size of space and the number of people, but there are still the following problems:

[0004] The movable sofa with stretching function is not convenient for stretching and supporting the back of the user, and relaxing the back of the user. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a movable sofa with stretching function to solve the problem of the movable sofa with stretching function in the background art, which is not convenient for stretching and supporting the back of the user and relaxing the back of the user.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a reinforced power insulation rubber plate to prevent dispersion, including a cushion, the bottom of the cushion is provided with a base, one side of the cushion is distributed with a first back cushion, and the side away from the cushion of the first back cushion is distributed with a second back cushion, the top connection of the second back cushion and the first back cushion is connected with a connecting shaft, the second back cushion and the first back cushion are rotationally connected through the connecting shaft, and the outer side of the second back cushion and the first back cushion is distributed with a heating pad.

[0007] The lower end of the second back cushion close to the base is connected with a movable shaft seat, two groups of parallel fixed slide rods are fixed on one side of the movable shaft seat close to the base, a sliding groove is formed at the connection of the base and the slide rod, one group of transmission shafts is distributed at the end of the two groups of slide rods away from the movable shaft seat, the two ends of the transmission shaft are provided with lead screws close to the end of the slide rod, and the lead screw is connected with the slide rod.

[0008] Preferably, the lower end of the first cushion is fixed with a first rotating shaft, one end of the first rotating shaft is rotatably connected with a fixed shaft seat, the lower end of the fixed shaft seat is fixedly connected with the base, and the fixed shaft seat is perpendicularly connected with the base.

[0009] Preferably, the lower end of the second cushion is connected with a second rotating shaft, the second rotating shaft is rotatably connected with the movable shaft seat, and the side, away from the cushion, of the second rotating shaft is provided with a baffle which is fixedly connected with the lower end of the second cushion.

[0010] Preferably, the outer side of the connecting shaft is provided with a protective pad.

[0011] Preferably, the connecting portion of the sliding rod and the lead screw is provided with a thread groove, and the thread directions of the thread grooves of the two groups of movable shaft seats and the lead screw are consistent.

[0012] Preferably, the end, away from the sliding rod, of the lead screw is fixed with a first gear.

[0013] Preferably, the two ends, close to the lead screw, of the transmission shaft are fixed with second gears, the second gears are perpendicularly meshingly connected between the first gear, and the first gear and the second gears are conical gears.

[0014] Preferably, the middle of the transmission shaft is fixed with a third gear, the side, away from the sliding rod, of the third gear is perpendicularly provided with a fourth gear, the fourth gear is meshingly connected with the third gear, and the side of the fourth gear is connected with a motor.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. By rotating and unfolding the first cushion and the second cushion, a person can lie on them, start the motor, pull the sliding rod to move, make the movable shaft seat close to the base, drive the lower end of the second cushion to close to the base, make the connecting portion of the second cushion and the first cushion arch upward, support the back of the person lying down through the protective pad, make the back of the person arch backward, extend the back, and the heating pad can also heat the back to assist stretching. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is a rotating structure schematic diagram of the first cushion and the second cushion in the utility model;

[0019] Figure 3 It is a cross section structural schematic diagram in the utility model;

[0020] Figure 4 It is a base internal structure schematic diagram in the utility model;

[0021] Figure 5 It is the second cushion side section structure schematic view of the utility model.

[0022] In the figure: 1, cushion; 2, base; 201, sliding groove; 3, first cushion; 301, first rotating shaft; 4, second cushion; 401, second rotating shaft; 402, baffle; 5, connecting shaft; 501, protective pad; 6, heating pad; 7, movable shaft seat; 701, sliding rod; 702, screw groove; 703, screw rod; 704, first gear; 705, transmission shaft; 706, second gear; 707, third gear; 708, fourth gear; 709, motor; 8, fixed shaft seat. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1, please refer to Figures 1-5 The utility model provides a movable sofa with stretch function, including cushion 1, base 2, sliding groove 201, first cushion 3, first rotating shaft 301, second cushion 4, second rotating shaft 401, baffle 402, connecting shaft 5, protective pad 501, heating pad 6, movable shaft seat 7, sliding rod 701, screw groove 702, screw rod 703, first gear 704, transmission shaft 705, second gear 706, third gear 707, fourth gear 708, motor 709, fixed shaft seat 8, the bottom of cushion 1 is provided with base 2, one side of cushion 1 is distributed with first cushion 3, and the side away from cushion 1 of first cushion 3 is distributed with second cushion 4, and the lower end of first cushion 3 is fixed with first rotating shaft 301, and the end away from first cushion 3 of first rotating shaft 301 is rotatably connected with fixed shaft seat 8, and the lower end of fixed shaft seat 8 is fixedly connected with base 2, and fixed shaft seat 8 is vertically connected with base 2, so that second cushion 4 can rotate on fixed shaft seat 8, and after the rotation of second cushion 4, the back of the user can be extended and moved;

[0025] Specifically, as shown in Figure 2 and Figure 3 The lower end of second cushion 4 is connected with second rotating shaft 401, and second rotating shaft 401 is rotatably connected between movable shaft seat 7, and the side away from cushion 1 of second rotating shaft 401 is provided with baffle 402, and baffle 402 is fixedly connected with the lower end of second cushion 4, so that the bottom end of second cushion 4 can be moved when movable shaft seat 7 moves, and then second cushion 4 and movable shaft seat 7 are rotatable through second rotating shaft 401;

[0026] Specifically, as shown in Figure 2 and Figure 3As shown, the top connection of the second cushion 4 and the first cushion 3 is connected with a connecting shaft 5, and the outer side of the connecting shaft 5 is provided with a protective pad 501, so as to wrap the connection of the second cushion 4 and the first cushion 3, increase the comfort of the connection of the second cushion 4 and the first cushion 3, and be more comfortable when stretching the back;

[0027] The second cushion 4 and the first cushion 3 are rotatably connected through the connecting shaft 5, and the outer side of the second cushion 4 and the first cushion 3 is distributed with a heating pad 6;

[0028] Specifically, as shown in Figure 3 and Figure 4 , the second cushion 4 is connected with a movable shaft seat 7 near the lower end of the base 2, and the movable shaft seat 7 is fixed with two groups of parallel fixed slide rods 701 near one side of the base 2, the connecting part of the slide rod 701 and the lead screw 703 is provided with a threaded groove 702, and the threaded grooves 702 of the two groups of movable shaft seats 7 and the lead screw 703 are consistent in screw direction, so that when the lead screw 703 rotates, the slide rod 701 can be driven to move synchronously, and the slide rod 701 is pushed to extend outward or inward;

[0029] Specifically, as shown in Figure 4 and Figure 5 , the end of the lead screw 703 away from the slide rod 701 is fixed with a first gear 704, so that the lead screw 703 can be driven to rotate through the first gear 704;

[0030] Specifically, as shown in Figure 3 and Figure 4 , the connecting part of the base 2 and the slide rod 701 is provided with a sliding groove 201, and one group of transmission shafts 705 is distributed at the end of the two groups of slide rods 701 away from the movable shaft seat 7, the two ends of the transmission shaft 705 are fixed with second gears 706 near the lead screw 703, the second gears 706 and the first gear 704 are vertically meshed and connected, and the first gear 704 and the second gear 706 are conical gears, so that when the transmission shaft 705 rotates, the first gear 704 can be driven to rotate through the second gears 706 at both ends, and then the lead screw 703 is driven to rotate;

[0031] Specifically, as shown in Figure 2 and Figure 4 , the middle of the transmission shaft 705 is fixed with a third gear 707, the side of the third gear 707 away from the slide rod 701 is vertically distributed with a fourth gear 708, the fourth gear 708 and the third gear 707 are meshed and connected, the side of the fourth gear 708 is connected with a motor 709, the motor 709 drives the fourth gear 708 to rotate, then the fourth gear 708 can drive the third gear 707 to rotate, and finally the transmission shaft 705 is driven to rotate;

[0032] Two ends of the transmission shaft 705 are provided with the lead screw 703 close to one end of the slide rod 701, and the lead screw 703 is connected with the slide rod 701.

[0033] In use, the first back cushion 3 and the second back cushion 4 can be rotated through the connecting shaft 5, after the first back cushion 3 and the second back cushion 4 are rotated and unfolded, a person can lie on the first back cushion 3 and the second back cushion 4, and then the motor 709 is started, the motor 709 can drive the fourth gear 708 to rotate, the fourth gear 708 can drive the transmission shaft 705 to rotate through the third gear 707, then the transmission shaft 705 can drive the first gear 704 to rotate through the second gear 706 at two ends, the first gear 704 can drive the lead screw 703 to rotate, so that the slide rod 701 is moved, the movable shaft seat 7 is close to the base 2, when the movable shaft seat 7 is close to the base 2, the lower end of the second back cushion 4 is close to the base 2, the connecting part of the second back cushion 4 and the first back cushion 3 is arched upward, the back of the person lying down is supported through the back pad 501, the back of the person is arched backward, the back is stretched, and the heating pad 6 can also heat the back to assist stretching, and when not in use, the second back cushion 4 and the first back cushion 3 can be folded to become the back of the sofa, so that the movable sofa with the stretching function is used, it should be noted that the movable sofa with the stretching function is provided, all the electrical components in the device are connected through wires, the power elements, electrical components, and the monitoring computer and power supply are connected, the specific connection method is referred to the working principle, the electrical components are connected in sequence, the detailed connection method is the known technology in the field.

[0034] Although the utility model has been described 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, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A retractable sofa, comprising a seat cushion (1), characterized in that: The bottom of the cushion (1) is provided with a base (2), a first back cushion (3) is distributed on one side of the cushion (1), and a second back cushion (4) is distributed on the side of the first back cushion (3) away from the cushion (1). A connecting shaft (5) is connected at the top connection of the second back cushion (4) and the first back cushion (3). The second back cushion (4) and the first back cushion (3) are rotatably connected by the connecting shaft (5). A heating pad (6) is distributed on the outer side of the second back cushion (4) and the first back cushion (3). The second cushion (4) is connected to a movable shaft seat (7) at the lower end near the base (2). Two sets of parallel fixed slide rods (701) are fixed on the side of the movable shaft seat (7) near the base (2). A slide groove (201) is provided at the connection between the base (2) and the slide rods (701). A set of transmission shafts (705) are distributed at the end of the two sets of slide rods (701) away from the movable shaft seat (7). A lead screw (703) is provided at the end of the two ends of the transmission shaft (705) near the slide rods (701). The lead screw (703) is connected to the slide rods (701).

2. A movable sofa with an extendable function according to claim 1, characterized in that: The lower end of the first cushion (3) is fixed with a first rotating shaft (301). The end of the first rotating shaft (301) away from the first cushion (3) is rotatably connected to a fixed shaft seat (8). The lower end of the fixed shaft seat (8) is fixedly connected to the base (2), and the fixed shaft seat (8) is perpendicularly connected to the base (2).

3. A movable sofa with an extendable function according to claim 1, characterized in that: The lower end of the second cushion (4) is connected to a second rotating shaft (401), the second rotating shaft (401) is rotatably connected to the movable shaft seat (7), and a baffle (402) is provided on the side of the second rotating shaft (401) away from the seat cushion (1), the baffle (402) is fixedly connected to the lower end of the second cushion (4).

4. A movable sofa with an extendable function according to claim 1, characterized in that: A protective pad (501) is provided on the outside of the connecting shaft (5).

5. A movable sofa with an extendable function according to claim 1, characterized in that: A threaded groove (702) is provided at the connection between the slide rod (701) and the lead screw (703), and the threaded grooves (702) of the two sets of movable bearings (7) and the threaded direction of the lead screw (703) are consistent.

6. A movable sofa with an extendable function according to claim 1, characterized in that: The first gear (704) is fixed at the end of the lead screw (703) away from the slide bar (701).

7. A movable sofa with an extendable function according to claim 1, characterized in that: The transmission shaft (705) has a second gear (706) fixed at both ends near the lead screw (703). The second gear (706) is perpendicularly meshed with the first gear (704), and the first gear (704) and the second gear (706) are bevel gears.

8. A movable sofa with an extendable function according to claim 1, characterized in that: A third gear (707) is fixed in the middle of the drive shaft (705). A fourth gear (708) is vertically distributed on the side of the third gear (707) away from the slide bar (701). The fourth gear (708) and the third gear (707) are meshed together. A motor (709) is connected to the side of the fourth gear (708).

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