Multifunctional sitting and lying switching electric sofa

Abstract

The utility model relates to the technical field of sofas, in particular to a multifunctional sitting and lying switching electric sofa which comprises a supporting frame and the like, the supporting frame is an assembly carrier of the electric sofa, a hollow box body is arranged in the supporting frame, supporting legs are arranged at four corners of the bottom surface of the supporting frame, the seat cushion is arranged at a position, close to the front, of the top of the supporting frame, and the back cushion is arranged at a position, close to the rear, of the top of the supporting frame; the rotating shaft I is rotationally mounted on the rear side of the top of the supporting frame; the number of the servo motors is two, and the servo motors are fixedly installed at the inner bottom of the supporting frame through installation bases. Through the combination of the electric servo motor and the worm and gear transmission mechanism, a user can easily realize rapid switching between a sitting posture and a lying posture, manual adjustment is not needed, the sofa is particularly suitable for old people or people with mobility difficulties to use, and the functionality and the application scene of the sofa are effectively expanded by driving the armrest cushion to adjust in cooperation with the double-shaft motor.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa technical field, concretely relates to a multifunctional sitting and lying switching electric sofa. BACKGROUND

[0002] With the continuous acceleration of modern life rhythm and the increasing requirement of people to the quality of life, the design of traditional sofa has gradually shown its limitation, and it is difficult to fully meet the diversified needs of users, especially in the field of family entertainment, leisure relaxation and health rehabilitation, consumers not only pursue the appearance of the appearance and the design of the fashion, but also put forward higher requirement to its functionality and comfort.

[0003] Most of the traditional sofas adopt fixed structure, and only limited sitting or lying posture can be provided, and the single design greatly limits the application range of the sofa and the comfortable experience brought by it, and although there are some adjustable sofa styles on the market at present, most of them still need manual operation of the user to complete the angle adjustment, and this process not only consumes time and effort, but also increases the difficulty of use for the elderly or people with special needs, therefore, we propose a multifunctional sitting and lying switching electric sofa to overcome the above defects. SUMMARY

[0004] In order to overcome the defects of the prior art, the utility model provides a multifunctional sitting and lying switching electric sofa, which realizes convenient switching of the leaning and lying state of the sofa.

[0005] A multifunctional sitting and lying switching electric sofa, comprising a support frame, a seat cushion and a back cushion, the support frame is the assembly carrier of the electric sofa, the inside of the support frame is a hollow box body, the bottom surface of the support frame is provided with four supporting legs, the seat cushion is arranged on the top of the support frame in front of the position, and the back cushion is arranged on the top of the support frame behind the position; further comprising: a rotating shaft one, which is rotatably installed on the top rear side of the support frame; two servo motors, which are fixedly installed on the inner bottom of the support frame through mounting seats; a worm, which is installed on the output shaft of the servo motor; two worm gears, which are fixedly arranged on the rotating shaft one, and the worm gears and the corresponding worms are mutually meshed and matched; a rotating plate, which is fixedly connected to the rotating shaft one, and the back cushion is installed on the top rear side of the support frame through the rotating plate, the two servo motors are synchronously driven to rotate the worm gears through the worms, so that the rotating shaft one on the worm gears drives the back cushion of the rotating plate to adjust the supporting angle, so that the user can conveniently switch the sitting and lying states on the electric sofa, and the use experience of the user is improved.

[0006] Optionally, the inner bottom of the support frame is fixedly provided with two reinforcing seats, and the worm is rotatably penetrated through the corresponding reinforcing seat, so that the reinforcing seat is used for reinforcing and supporting the worm driven by the servo motor, the stability of the transmission of the worm gear and the worm is improved, and the service life of the worm gear and the worm during long-time engagement is improved.

[0007] Optionally, the back cushion is detachably installed on the rotating plate, the rotating plate is a U-shaped plate, the back cushion is internally provided with a slot, and the back cushion is installed on the rotating plate through the slot.

[0008] Optionally, the top of the support frame is fixedly connected with a support plate on both sides, the armrest cushion is rotatably installed on the support plate of the support frame through a rotating shaft two, the top supporting surface of the armrest cushion is a circular arc surface, and the armrest cushion is made of a flexible material.

[0009] Optionally, the top of the support frame is fixedly connected with a support plate on both sides, the armrest cushion is rotatably installed on the support plate of the support frame through a rotating shaft two, the top supporting surface of the armrest cushion is a circular arc surface, and the armrest cushion is made of a flexible material.

[0010] Optionally, the back cushion is detachably installed on the rotating plate, the rotating plate is a U-shaped plate, the back cushion is internally provided with a slot, and the back cushion is installed on the rotating plate through the slot.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The combination of the electric servo motor and the worm gear transmission mechanism can easily realize the quick switching between the sitting position and the lying position, without manual adjustment, and is especially suitable for the old people or the people with difficulty in movement, and the function and the application scene of the sofa are effectively expanded by adjusting the armrest cushion driven by the double-shaft motor.

[0013] 2. The utility model can stably support the servo motor and the worm by adding the reinforcing seats, and can buffer the action force during rotation by adding the spring between the sliding sleeve and the fixing sleeve, so that the direct friction between the mechanical parts is effectively reduced, and the service life of the worm gear and other key components is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 The utility model discloses a connection relation diagram of pivot one, servo motor, worm wheel and rotating plate.

[0016] Figure 3 The utility model discloses a schematic diagram of cooperation relation of worm, worm wheel and rotating plate etc.

[0017] Figure 4 The utility model discloses a connection relation diagram of support frame, back cushion, sliding sleeve and fixed sleeve.

[0018] Figure 5 The utility model discloses a three-dimensional structure schematic diagram of sliding sleeve, fixed sleeve and spring.

[0019] The mark in drawing: 1: support frame, 101: mounting seat, 2: seat cushion, 3: back cushion, 4: pivot one, 5: servo motor, 51: worm, 52: reinforcing seat, 6: worm wheel, 7: rotating plate, 8: armrest pad, 81: support plate, 9: double-shaft motor, 10: pivot two, 12: sliding sleeve, 13: fixed sleeve, 14: spring. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.

[0021] A multifunctional sitting and lying switching electric sofa, like Figures 1-3As shown, it comprises a support frame 1, a seat cushion 2 and a back cushion 3, the support frame 1 is the assembly carrier of the electric sofa, the inside of the support frame 1 is a hollow box, the bottom of the support frame 1 is provided with four supporting legs, the seat cushion 2 is arranged on the top of the support frame 1, and the back cushion 3 is arranged on the rear top of the support frame 1; it also comprises a rotating shaft 4, which is rotatably installed on the top rear side of the support frame 1; two servo motors 5 are fixedly installed on the inner bottom of the support frame 1 through mounting seats 101; a worm 51 is installed on the output shaft of the servo motor 5; two worm gears 6 are symmetrically arranged on the rotating shaft 4 and are fixedly arranged on the rotating shaft 4, the worm gear 6 and the corresponding worm 51 are matched with each other; a rotating plate 7 is fixedly connected to the rotating shaft 4, the back cushion 3 is installed on the top rear side of the support frame 1 through the rotating plate 7, the two servo motors 5 drive the worm gear 6 to rotate through the worm 51, so that the rotating shaft 4 on the worm gear 6 drives the back cushion 3 of the rotating plate 7 to adjust the supporting angle, so that the user can conveniently switch between sitting and lying states on the electric sofa, and the use experience of the user is improved; two reinforcing seats 52 are fixedly installed on the inner bottom of the support frame 1, the worm 51 penetrates through the corresponding reinforcing seat 52, and the reinforcing seat 52 is used for reinforcing and supporting the worm 51 driven by the servo motor 5, so that the stability of the transmission of the worm gear 6 and the worm 51 is improved, and the service life of the worm gear 6 and the worm 51 when they are engaged for a long time is improved; the back cushion 3 is detachably installed on the rotating plate 7, the rotating plate 7 is in the shape of a U-shaped plate, the back cushion 3 is internally provided with a slot, the back cushion 3 is installed on the rotating plate 7 through the slot, the back cushion 3 can be conveniently installed on the rotating plate 7, and the work amount for disassembling and assembling the back cushion 3 is saved.

[0022] As shown in Figure 1 , the top of the support frame 1 is fixedly connected with a support plate 81 on both sides, the armrest cushion 8 is rotatably installed on the support plate 81 of the support frame 1 through a rotating shaft 10, the top supporting surface of the armrest cushion 8 is a circular arc surface, and the armrest cushion 8 is made of a flexible material; the top of the support frame 1 is also fixedly installed with a double-shaft motor 9 on both sides, the bidirectional output shaft of the double-shaft motor 9 is connected with the rotating shaft 10 on the same side, and the double-shaft motor 9 is used for automatically driving the armrest cushion 8 on the support frame 1 to support or flatten, thereby improving the use flexibility of the armrest cushion 8.

[0023] As shown in Figure 4 and Figure 5 , two sliding sleeves 12 are symmetrically installed on the side surface of the back cushion 3, the sliding sleeve 12 and the back cushion 3 can be disassembled, the back side of the support frame 1 is fixedly provided with a fixed sleeve 13 matched with the sliding sleeve 12, the sliding sleeve 12 is sleeved in the fixed sleeve 13, springs 14 are arranged in the sliding sleeve 12 and the fixed sleeve 13, the springs 14 are supported between the sliding sleeve 12 and the fixed sleeve 13, thereby buffering the rotating force between the support frame 1 and the back cushion 3, reducing the wear between the worm 51 and the worm gear 6, and further increasing the service life of the worm 51 and the worm gear 6.

[0024] When the user needs to adjust the support angle of the sofa, two servo motors 5 are simultaneously enabled, the output shaft of the servo motor 5 drives the worm 51 mounted thereon to rotate, the worm 51 is engaged with the worm gear 6 mounted on the rotating shaft one 4, the worm gear 6 rotates with the rotation of the worm 51, since the worm gear 6 is fixed on the rotating shaft one 4, the rotation of the rotating shaft one 4 will drive the rotating plate 7 fixedly connected thereto to move, the rotating plate 7 is installed on the back cushion 3, therefore when the rotating plate 7 rotates, the back cushion 3 also changes the angle, realizing the conversion from the sitting position to the lying position (or vice versa), in order to ensure the stability of the long-term work of the worm gear 6 and the worm 51 and prolong the service life thereof, two reinforcing seats 52 are fixedly installed on the inner bottom of the support frame 1 to support the worm 51 driven by the servo motor 5, in addition, the sliding sleeve 12 with the spring 14 and the fixed sleeve 13 are respectively arranged on the side of the back cushion 3 and the back side of the support frame 1, the existence of the spring 14 can effectively buffer the acting force generated in the rotating process, reducing the wear between the worm 51 and the worm gear 6, the armrest pad 8 on both sides of the sofa is also designed in an adjustable form, the rotating shaft two 10 of the armrest pad 8 is connected with the bidirectional output shaft of the double-shaft motor 9, by controlling the double-shaft motor 9, the height of the armrest pad 8 can be automatically adjusted or it can be flattened, increasing the flexibility and comfort of use, since the back cushion 3 adopts a detachable design, it is conveniently installed or detached through the insertion slot on the U-shaped rotating plate 7, which not only facilitates cleaning and maintenance, but also enables the user to replace the back cushion 3 of different styles according to personal preferences.

[0025] It should be understood that the above description is only for exemplary purposes and does not mean to limit the present application. Those skilled in the art will understand that the variations of the present application will be included in the scope of the claims herein.

Claims

1. A multifunctional electric sofa capable of switching between sitting and lying, comprising a support frame (1), a seat cushion (2) and a back cushion (3), wherein the support frame (1) is a hollow box, the bottom of the support frame (1) is provided with four legs, the seat cushion (2) is arranged on the top of the support frame (1) in front, and the back cushion (3) is arranged on the top of the support frame (1) in back. characterized in that further It comprises: a rotating shaft (4) rotatably arranged on the top of the support frame (1) in back; two servo motors (5) fixedly arranged on the inner bottom of the support frame (1) through mounting seats (101); a worm (51) arranged on the output shaft of the servo motor (5); two worm gears (6) fixedly arranged on the rotating shaft (4), wherein the worm gears (6) and the corresponding worms (51) are meshed and matched with each other; a rotating plate (7) fixedly connected to the rotating shaft (4), wherein the back cushion (3) is arranged on the top of the support frame (1) in back through the rotating plate (7).

2. The multi-functional electric sofa of claim 1, wherein, The inner bottom of the support frame (1) is fixedly provided with two reinforcing seats (52), the worm (51) is rotatably arranged through the corresponding reinforcing seat (52), and the reinforcing seat (52) is used for reinforcing and supporting the worm (51) driven by the servo motor (5).

3. The multifunctional sitting and lying electric sofa according to claim 2, characterized in that: The back cushion (3) is detachably arranged on the rotating plate (7), the rotating plate (7) is a U-shaped plate, the back cushion (3) is internally provided with a slot, and the back cushion (3) is arranged on the rotating plate (7) through the slot.

4. The multi-functional electric sofa of claim 3, wherein the seat is formed in a shape of a chair or a sofa. The top of the support frame (1) is fixedly provided with a support plate (81) on both sides, a handrest cushion (8) is rotatably arranged on the support plate (81) of the support frame (1) through a rotating shaft (10), the top supporting surface of the handrest cushion (8) is a circular arc surface, and the handrest cushion (8) is made of a flexible material.

5. The multi-functional electric sofa of claim 4, wherein, The top of the support frame (1) is also fixedly provided with a double-shaft motor (9) on both sides, the bidirectional output shaft of the double-shaft motor (9) is connected to the rotating shaft (10) on the same side.

6. The multi-functional electric sofa of claim 5, wherein, The back cushion (3) is symmetrically provided with two sliding sleeves (12) on the side surface, the sliding sleeve (12) and the back cushion (3) can be detached, the back side of the support frame (1) is fixedly provided with a fixed sleeve (13) matched with the sliding sleeve (12), the sliding sleeve (12) is arranged in the fixed sleeve (13), and the sliding sleeve (12) and the fixed sleeve (13) are internally provided with a spring (14) supported therebetween.

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