CN111358217A

CN111358217A - Multifunctional sofa

Info

Publication number: CN111358217A
Application number: CN202010008159.3A
Authority: CN
Inventors: 张宏
Original assignee: Shenzhen Hexin Technology Co ltd
Current assignee: Shenzhen Hexin Technology Co ltd
Priority date: 2019-07-11
Filing date: 2020-01-01
Publication date: 2020-07-03

Abstract

The invention discloses a multifunctional sofa, which comprises a sofa main body and a control system, wherein the sofa main body comprises a base, a support and a sofa body; the sofa body comprises a backrest part, a cushion part and a foot pad part; the backrest part and the cushion part and the foot pad part are hinged through hinges respectively; the control system comprises a main control chip, an angle driving assembly and an angle detection assembly, wherein the angle driving assembly and the angle detection assembly are connected with the main control chip; the angle driving component comprises a motor, a worm wheel, a worm, a screw rod, a sliding block and a connecting rod; the angle detection assembly comprises a detection disc, a signal transmitting module, a signal receiving module, a transmitting drive circuit and a receiving drive circuit. When the lifting angle of the sofa backrest or the foot pad needs to be adjusted, the lifting angle can be automatically adjusted by the control system, so that manual mechanical operation is avoided; and the angle driving assembly and the angle detection assembly which are matched with each other through the control system can accurately adjust the lifting angle.

Description

Multifunctional sofa

Technical Field

The invention belongs to the technical field of sofa furniture equipment, and relates to a multifunctional sofa.

Background

The origin of the sofa dates back to the ancient Egypt era of 2000 at the earliest, and people at that time use wooden piles or stones to make tools for people to sit on, and later found that the sofa is a little more comfortable when people sit on the wooden piles or stones, and the sofa is a prototype. Later, with the appearance of springs, springs are applied to sofas, and with the development of a rubber foaming process, natural rubber emulsion is filled with gas, then poured into a mold for molding and drying, so that the elastic filler, namely foamed rubber, is obtained. The foaming rubber is applied to the sofa, so that the filling and covering process of the sofa is greatly simplified, and the appearance quality and the function effect of spring cushions and the like are achieved.

Sofas are now becoming indispensable furniture for every family, and the demands on sofa styles, materials and even healthcare functions are becoming higher and higher. Except various rest seats, various automobile, airplane and turbine seats, operation seats of factories and hospitals, various office and working seats, various mattresses and the like are required to be manufactured into sofa soft structures.

Through the development of more than two thousand years, the change of the sofa is huge no matter the manufacturing material, the shape, the structure, the color and the precision, which is not compared at present. The application of a plurality of new materials and new technologies shows the body in the sofa manufacturing, new varieties such as steel structure sofas, aluminum profile sofas, full-plastic sofas and inflatable sofas which are novel and unique to people appear, and the formation of the sofas is strengthened. Meanwhile, the shape of the sofa is continuously changed, and the sofa is more novel, elegant and beautiful and has strong time sense. In the aspect of structural design, the multifunctional bed is more scientific and reasonable, and simultaneously, the combination of human engineering is increasingly tight, so that the multifunctional bed can better adapt to the requirements of human body shapes and physiological conditions, and is more suitable for sitting and lying. The sofa becomes an essential tool for daily life, work and rest of people. With the increasing consumer demand, many adjustable multifunctional sofas are now available, with the adjustment states of normal sitting position, extended legs position and lying down position, however, most of these adjustments are made by mechanical manual push-button type adjustments, and it is generally difficult to achieve precise angles for the adjustments, such as: when a user needs to sit at a certain accurate angle, the current adjustable sofa is generally difficult to reach. Thus, for some scenes with precise angle requirements, the sofa is difficult to meet the requirements of users.

Therefore, in order to overcome the defects of the prior art, it is necessary to develop and research a technical solution for developing a multifunctional sofa that avoids manual mechanical operation, is convenient to operate and control, and can adjust the angle accurately.

Disclosure of Invention

In order to solve the above problems, the present invention provides a multifunctional sofa that is easy to operate and control and can be adjusted precisely.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a multifunctional sofa comprises a sofa main body and a control system arranged on the sofa main body, wherein the sofa main body comprises a base, a bracket fixed on the base and a sofa body arranged on the bracket; the sofa body comprises a backrest part, a cushion part and a foot pad part; the backrest part and the cushion part and the foot pad part are hinged through hinges respectively; the control system comprises a main control chip, an angle driving assembly connected with the main control chip and an angle detection assembly; the angle driving assembly comprises a motor, a worm wheel, a worm, a screw rod, a sliding block and a connecting rod; the angle detection assembly comprises a detection disc, a signal transmitting module, a signal receiving module, a transmitting drive circuit connected with the signal transmitting module and a receiving drive circuit connected with the signal receiving module.

Preferably, the backrest portion has a length greater than or equal to a length of the cushion portion, and the cushion portion has a length greater than a length of the footpad portion.

Preferably, the main control chip is connected with a WIFI and/or Bluetooth module, and can interact with external mobile equipment in a wireless and/or Bluetooth mode to receive instruction information from the external mobile equipment.

Preferably, the main control chip passes through I²C or UART/SPI communication mode is connected with the speech recognition module, discerns the pronunciation instruction information from the outside through the speech recognition module.

Preferably, the main control chip is connected with an angle driving assembly through a motor driving circuit, and the angle driving assembly is connected with an angle detection assembly; the main control chip is connected with the angle detection assembly through the transmitting driving circuit, and the angle detection assembly feeds back signals to the main control chip through the receiving driving circuit.

Preferably, the worm is meshed with the worm wheel, the screw is fixedly arranged at the axis of the worm wheel, the sliding block is connected to the screw in a sliding mode, one end of the connecting rod is hinged to the sliding block, and the other end of the connecting rod is hinged to the sofa body.

Preferably, the angle driving assembly further comprises a mounting seat fixedly arranged on the support, an accommodating groove is formed in one end of the mounting seat, the worm wheel and the worm are both arranged in the accommodating groove, the motor is fixedly arranged on the mounting seat, and a rotating shaft of the motor is arranged in the accommodating groove and connected with the worm.

Preferably, the detection disc is equally provided with a plurality of gratings, and the signal emission module comprises an infrared light emitting diode; the signal receiving module comprises an infrared receiving diode.

Preferably, the emission driving circuit comprises a photoelectric switch, and the photoelectric switch is electrically connected with the main control chip and the motor.

Preferably, the angle driving assembly and the angle detecting assembly have three groups respectively; two groups of the sofa are arranged between the backrest part and the cushion part of the sofa body and are respectively arranged at the positions close to the two sides of the bottom of the sofa body; and a group of the sofa cushion part and the foot pad part are arranged between the seat cushion part and the foot pad part of the sofa body and are arranged in the middle of the bottoms of the seat cushion part and the foot pad part.

Compared with the prior art, the multifunctional sofa has the advantages that through the control system, when the lifting angle of the sofa backrest or the foot pad needs to be adjusted, automatic adjustment can be performed through the control system, and manual and mechanical operation is avoided; and, through control system's angle drive assembly and angle detection subassembly mutually support, can carry out accurate regulation to the angle of going up and down.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings.

FIG. 1 is a perspective view of the multifunctional sofa of the present invention;

FIG. 2 is a schematic view of the sofa body portion of the multi-functional sofa of the present invention;

FIG. 3 is a functional block diagram of the control system portion of the multi-function sofa of the present invention;

FIG. 4 is a schematic view of the angle driving assembly and the angle detecting assembly of the multifunctional sofa control system of the present invention;

FIG. 5 is a structural diagram of an angle driving assembly and an angle detecting assembly of the multifunctional sofa control system according to another embodiment of the invention;

FIG. 6 is a schematic view of the sofa body of the multifunctional sofa of the present invention combined with an angle driving assembly and an angle detecting assembly;

FIG. 7 is a schematic view of the multifunctional sofa of the present invention showing another state in which the sofa body is combined with the angle driving assembly and the angle detecting assembly;

fig. 8 is a schematic block diagram of another embodiment of the control system of the multifunctional sofa of the present invention.

Detailed Description

The embodiment of the invention provides a multifunctional sofa, through a control system of the multifunctional sofa, when the lifting angle of the sofa needs to be adjusted, the sofa can be automatically adjusted through the control system, so that manual and mechanical operation is avoided; and, through control system's angle drive assembly and angle detection subassembly mutually support, can carry out accurate regulation to the angle of going up and down.

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one skilled in the art from the embodiments given herein are intended to be within the scope of the invention.

The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and are merely descriptive of the invention in its embodiments for distinguishing between objects of the same nature. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The following are detailed below.

As shown in fig. 1, 2 and 3, the multifunctional sofa of the present invention comprises a sofa main body and a control system installed on the sofa main body, wherein the sofa main body 100 comprises a base (not shown), a bracket (not shown) installed and fixed on the base, and a sofa main body (not numbered) installed on the bracket; the sofa body includes a back portion 200, a cushion portion 201, and a foot rest portion 202.

The backrest portion 200 has a length greater than or equal to the cushion portion 201, and the cushion portion 201 has a length greater than the foot pad portion 202. Hinges are respectively hinged between the backrest part 200 and the cushion part 201 and between the cushion part 201 and the foot pad part 202. Of course, as other embodiments of the present invention, the backrest portion, the cushion portion and the foot pad portion may be connected in other manners. When the sofa is adjusted from the lying position to the sitting position, the backrest part 200 is turned upwards around the axis a and abuts against the back of the user to push the sofa to sit up; when it is desired to raise the legs, the foot pad portions 202 are flipped upwardly about the b-axis, thereby urging the user to raise both legs.

Referring to fig. 3, 4 and 5, the control system includes a main control chip, an angle driving assembly 70 connected to the main control chip, and an angle detecting assembly 80; the main control chip is connected with a key control panel; as an embodiment of the present invention, the main control chip is connected to a WIFI and/or bluetooth module, and may interact with an external mobile device in a wireless and/or bluetooth manner to receive instruction information from the external mobile device. As another embodiment of the invention, the main control chip passes through I²C or UART/SPI communication mode is connected with the speech recognition module, discerns the pronunciation instruction information from the outside through the speech recognition module. Specifically, the external mobile equipment is provided with control system APP software, and the angles of the backrest part and/or the foot pad part of the sofa can be directly adjusted and controlled through the WIFI and/or the Bluetooth module; and through the voice recognition module, the user can directly control the angle adjustment of the backrest part and/or the foot pad part of the sofa through sound.

Referring to fig. 3, the main control chip is connected to an angle driving assembly 70 through a motor driving circuit, and the angle driving assembly 70 is connected to an angle detecting assembly 80; the main control chip is connected with the angle detection assembly 80 through the transmitting drive circuit, and the angle detection assembly 80 feeds back signals to the main control chip through the receiving drive circuit. The main control chip is also connected with a memory. When the system works, the main control chip firstly transmits a pulse signal through a driving circuit and starts the angle detection assembly 80 to start working; then the main control chip controls the angle driving component 70 to adjust the angle, the angle detecting component 80 feeds back the adjusted angle information to the main control chip through the receiving driving circuit at any time in the angle adjusting process of the angle driving component 70, the main control chip judges whether the angle required to be adjusted is reached, if the angle required is adjusted, the main control chip firstly sends a signal to control the angle driving component 70 to stop angle adjustment, then controls the transmitting driving circuit to stop transmitting pulse signals, and the angle detecting component 80 stops working.

Referring to fig. 4 and 5, specifically, the angle driving assembly 70 includes a motor 701, a worm wheel 702, a worm 703, a screw 704, a slider 705 and a connecting rod 706, the motor 701 is fixedly disposed on the bracket, the worm 703 and the worm wheel 702 are engaged with each other, the screw 704 is fixedly disposed at an axis of the worm wheel 702, the slider 705 is slidably connected to the screw 704, one end of the connecting rod 706 is hinged to the slider 705, and the other end of the connecting rod is hinged to the sofa body; when the motor 701 is started, the worm 703 is driven to rotate, the worm wheel 702 drives the screw 704 to move after rotating, the screw 704 and the worm wheel 702 are linked to drive the sliding block 705 to move back and forth in the axis direction of the screw 704, and therefore the connecting rod 706 drives the bed board to turn over, and the adjustment of the lifting angle of the bed board is completed.

The angle driving assembly 70 further includes a mounting base (not shown) fixedly disposed on the bracket, wherein an accommodating groove is disposed at one end of the mounting base, the worm wheel 702 and the worm 703 are both disposed in the accommodating groove, the motor 701 is fixedly disposed on the mounting base, and a rotating shaft of the motor 701 is disposed in the accommodating groove and connected to the worm 703. Wherein, the mounting seat can be fixedly arranged on the bracket through a screw; preferably, the end of the mounting seat having the receiving groove is disposed on the sofa body, and the cover is disposed at the opening position of the receiving groove, and one end of the screw 704 extends into the receiving groove and is connected to the central shaft of the worm wheel 702, so that the overall structure of the angle driving assembly 70 is more stable.

Referring to fig. 3, the angle detecting assembly 80 includes a detecting disc, a signal transmitting module, a signal receiving module, a transmitting driving circuit connected to the signal transmitting module, and a receiving driving circuit connected to the signal receiving module according to an embodiment of the present invention. The signal transmitting module comprises an infrared light emitting diode; the signal receiving module comprises an infrared receiving diode, and in the embodiment of the invention, the infrared receiving diode is a photosensitive diode. The detection disc is equally provided with a plurality of gratings, and the detection angle is as follows:

ɑ＝360°/N

wherein N represents the number of grating grids;

taking a grating of 360 grids as an example, the degree corresponding to each grid is 1 degree. The signal transmitting module transmits 360 pulse waveforms, and the signal receiving module can receive 360 pulse waveforms.

Specifically, transmission drive circuit is including photoelectric switch 83, it is grating dish 84 to detect the disc, photoelectric switch 83 electric connection main control chip with motor 701, grating dish 84 set up in worm wheel 702 keeps away from the one end of screw rod 704, grating dish 84 with the worm wheel 702 linkage, photoelectric switch 83 locates the mount pad is located grating dish 84 department to the precision that reinforcing angle detection subassembly 80 detected. In the embodiment of the invention, the grating disk is black. The grating disc and the worm wheel are integrally manufactured.

Referring to fig. 4, as another embodiment of the present invention, the angle detecting assembly 80 includes a hall sensor 81 and a plurality of magnetic blocks 82, a convex column 709 is fixedly disposed on an end surface of the worm wheel 702, an axis of the convex column 709 coincides with an axis of the worm wheel 702, the magnetic blocks 82 are equidistantly and symmetrically arranged around an arc surface of the convex column 709, the hall sensor 81 is electrically connected to the main control chip and the motor 701, and the hall sensor 81 is disposed on an inner wall of the receiving slot and corresponds to a position of the magnetic block 82. The angle driving assembly 70 further includes a bearing 710, an outer ring of the bearing 710 is fixedly disposed on an inner wall of the receiving groove, an inner ring of the bearing 710 is sleeved on a central axis of the worm wheel 702, and the worm wheel 702 is conveniently mounted through the bearing 710. The interval between two adjacent magnetic blocks 82 is as small as possible, and the number of the magnetic blocks 82 is as large as possible, so as to enhance the detection accuracy of the angle detection assembly 80. As another embodiment of the present invention, the detecting element is mounted on a fixing base 708, and the fixing base 708 is provided with a detecting element accommodating space 7081.

Referring to fig. 6 and 7, in the embodiment of the present invention, the angle driving assembly 70 and the angle detecting assembly 80 respectively have three sets; two groups of the sofa are arranged between the backrest part and the cushion part of the sofa body and are respectively arranged at the positions close to the two sides of the bottom of the sofa body; and a group of the sofa cushion part and the foot pad part are arranged between the seat cushion part and the foot pad part of the sofa body and are arranged in the middle of the bottoms of the seat cushion part and the foot pad part.

Referring to fig. 8, as another embodiment of the present invention, the multifunctional sofa further includes a massage module 210, an exhaust module 90, a heating module 100, a voice playing module 110, and a multimedia on demand module 120. The massage module 210 is electrically connected to the main control chip to receive the massage signal recognized by the voice recognition module 60, and then starts or stops the massage function. The air exhaust module 90 is electrically connected to the main control chip to receive the air exhaust signal recognized by the voice recognition module and then turn on or off the fan. The heating module 100 is electrically connected to the main control chip to receive the heating signal recognized by the voice recognition module and then turn on or off the heating function. The voice playing module 110 is electrically connected to the main control chip to receive the voice playing signal recognized by the voice recognition module and then turn on or turn off the music playing function. The multimedia on demand module 120 is electrically connected to the main control chip to receive the multimedia on demand signal identified by the voice recognition module and then turn on or off the media playing function.

The massage module 210 is a prior art, and may be a massager on an existing massage chair, and performs a massage function by turning on or off after receiving a voice command of a massage signal of a user; the heating modules 100 can be heating wires, and the heating modules 100 can be distributed on the bed board; the exhaust module 90 can be a fan and can be arranged on the bedstead; the voice playing module 110 may be a sound box, and may play sound; the multimedia on demand module 120 is a multimedia on demand player, and is a prior art that can start or close media playing after receiving a voice instruction of a multimedia on demand signal of a user. As another embodiment of the present invention, the external mobile device may be a mobile phone, APP application software is installed on the mobile phone, and content stored in the cloud, such as a multimedia file, is accessed through the mobile phone APP application software through the internet of things, so that AI cloud on demand of the internet of things can be performed. In specific application, the sofa can be controlled by the mobile phone APP to listen to media files such as music and the like.

The multi-kinetic energy sofa is also provided with a button switch which is electrically connected with the angle driving assembly 70 and can be manually adjusted through a manual button switch. The multifunctional sofa is further provided with a power supply 180, and the power supply 180 is electrically connected with the main control chip 40 and the motor 701 to provide required power for equipment.

In summary, the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the above embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the above embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a multifunctional sofa, includes sofa main part and installs the control system on sofa main part, its characterized in that: the sofa main body comprises a base, a bracket fixed on the base and a sofa body arranged on the bracket; the sofa body comprises a backrest part, a cushion part and a foot pad part; the backrest part and the cushion part and the foot pad part are hinged through hinges respectively; the control system comprises a main control chip, an angle driving assembly connected with the main control chip and an angle detection assembly; the angle driving assembly comprises a motor, a worm wheel, a worm, a screw rod, a sliding block and a connecting rod; the angle detection assembly comprises a detection disc, a signal transmitting module, a signal receiving module, a transmitting drive circuit connected with the signal transmitting module and a receiving drive circuit connected with the signal receiving module.

2. The multi-purpose sofa of claim 1, wherein: the length of the backrest part is greater than or equal to that of the cushion part, and the length of the cushion part is greater than that of the foot pad part.

3. The multi-purpose sofa of claim 2, wherein: the main control chip is connected with a WIFI and/or Bluetooth module, and can interact with external mobile equipment in a wireless and/or Bluetooth mode to receive instruction information from the external mobile equipment.

4. The multi-purpose sofa of claim 2, wherein: the main control chip passes through I²C or UART/SPI communication mode is connected with the speech recognition module, discerns the pronunciation instruction information from the outside through the speech recognition module.

5. The multifunctional sofa of any of claims 1-4, wherein: the main control chip is connected with an angle driving assembly through a motor driving circuit, and the angle driving assembly is connected with an angle detection assembly; the main control chip is connected with the angle detection assembly through the transmitting driving circuit, and the angle detection assembly feeds back signals to the main control chip through the receiving driving circuit.

6. The multi-purpose sofa of claim 5, wherein: the worm and the worm wheel are meshed with each other, the screw rod is fixedly arranged at the axis of the worm wheel, the sliding block is connected to the screw rod in a sliding mode, one end of the connecting rod is hinged to the sliding block, and the other end of the connecting rod is hinged to the sofa body.

7. The multi-purpose sofa of claim 6, wherein: the angle driving assembly further comprises a mounting seat fixedly arranged on the support, an accommodating groove is formed in one end of the mounting seat, the worm wheel and the worm are mounted in the accommodating groove, the motor is fixedly arranged on the mounting seat, and a rotating shaft of the motor is arranged in the accommodating groove and connected with the worm.

8. The multi-purpose sofa of claim 7, wherein: the detection disc is equally provided with a plurality of gratings, and the signal emission module comprises an infrared light-emitting diode; the signal receiving module comprises an infrared receiving diode.

9. The multi-purpose sofa of claim 8, wherein: the emission driving circuit comprises a photoelectric switch, and the photoelectric switch is electrically connected with the main control chip and the motor.

10. The multi-purpose sofa of claim 9, wherein: the angle driving assembly and the angle detecting assembly are respectively provided with three groups; two groups of the sofa are arranged between the backrest part and the cushion part of the sofa body and are respectively arranged at the positions close to the two sides of the bottom of the sofa body; and a group of the sofa cushion part and the foot pad part are arranged between the seat cushion part and the foot pad part of the sofa body and are arranged in the middle of the bottoms of the seat cushion part and the foot pad part.