CN111109930A

CN111109930A - Adjustable back cushion

Info

Publication number: CN111109930A
Application number: CN201811292085.XA
Authority: CN
Inventors: 周学蒙
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2020-05-08

Abstract

The invention relates to an adjustable back cushion, which comprises a backrest, a rotating shaft and a seat cushion, wherein a first adjusting component, a second adjusting component, a lifting component, a headrest and a sound control sensor are arranged on the backrest, a third adjusting component and a lumbar vertebra plate are also arranged on the backrest, the third adjusting component comprises a gear block, a positioning screw, a gear lever and a support rod, a gear groove is arranged on the gear block, the adjustable back cushion is fixedly connected with the lifting component through the headrest, a user can adjust the height of the headrest through the lifting component, the application range is wide, the first adjusting component and the second adjusting component are fixedly connected with the backrest, the user can adjust the inclination of the backrest through adjusting the first adjusting component and the second adjusting component, so that the seat is more comfortable, one end of the gear lever is fixedly connected with the backrest through the positioning screw, when the user needs to adjust the concave-convex degree of a lumbar vertebra plate, the gear lever can be manually adjusted to different gear grooves.

Description

Adjustable back cushion

Technical Field

The invention relates to the technical field of household articles, in particular to an adjustable back cushion.

Background

With the development of society, people's requirements for living quality are higher and higher, a back cushion is usually arranged on a chair, a bed or an automobile seat to increase comfort, the most common back cushion at present is a back cushion which is made by using sponge, foamed plastic, cotton and silica gel as inner core fillers and using cotton cloth, flannelette, satin, nylon or linen as outer sleeves, the back cushion is used for adjusting the contact point of a human body with the seat and the bed to obtain a more comfortable supporting angle to reduce fatigue, for example, the back cushion can be used on a bed or a sofa for computers, books, televisions and rests, hospital patient care, family old people, patients and disabled people, and the like, on a carpet, the back cushion can also be used as a seat, the shape of the back cushion can be designed at will, the styles are various, but the back cushion has a plurality of limitations and can not be adjusted by leaning angle according to the needs of each person, the cervical vertebra, the buttocks and the like of a human body can not be fully rested, the whole comfort level is not ideal, so people begin to research adjustable back cushions, for example, Chinese invention patent (publication No. CN204908672U) discloses a multifunctional adjustable back cushion, one end of the back cushion is provided with a lockable movable connection, the inclination angle of the back cushion is adjusted and locked through the movable connection, one end of the back cushion is provided with a fixable movable connection, the inclination angle of the back cushion is adjusted and locked through the movable connection, the other end of the back cushion is supported and fixed on the surface of the seat cushion, the inclination angle of the back cushion can be adjusted through the back cushion, when the back cushion is used, a headrest is bound on the back cushion through a binding belt, the binding belt is easy to loosen in the using process, the headrest is easy to move randomly, at the moment, a user is required to carry out re-binding, every person all will be ligature the headrest again when using, the performance that is suitable for all kinds of crowds is relatively poor, and the waist pillow of this cushion also replaces with ordinary pillow or general cushion, the unable fine support waist of this kind of waist pillow, alleviate the fatigue of waist, the travelling comfort is relatively poor, and after this back cushion adjustment, still need stimulate the locking lever with the cushion locking, accommodation process is more loaded down with trivial details, it is inconvenient to use, and the regulation of this cushion can only be through digging the hand manual regulation, accommodation process is intelligent inadequately.

Disclosure of Invention

In view of the current situation of the prior art, the invention aims to provide an adjustable back cushion which has the advantages of wide application range, high comfort, convenient use and high intelligent degree.

The technical scheme adopted by the invention for solving the technical problems is as follows: an adjustable back cushion comprises a backrest, a rotating shaft and a seat cushion, wherein the seat cushion is rotatably connected with the backrest through the rotating shaft, the backrest is provided with a first adjusting component, a second adjusting component, a lifting component, a headrest and a voice control sensor, the voice control sensor is fixedly connected with the headrest, the headrest is fixedly connected with the lifting component, the lifting component is positioned below the second adjusting component, the second adjusting component is positioned above the first adjusting component, the first adjusting component and the second adjusting component are both fixedly connected with the backrest, the backrest is further provided with a third adjusting component and a lumbar vertebra plate, the lumbar vertebra plate is connected with the backrest through the third adjusting component, the third adjusting component comprises a gear block, a positioning screw, a gear rod and a supporting rod, one end of the supporting rod is rotatably connected with the lumbar vertebra plate, and the other end of the supporting rod is rotatably connected with the gear rod, one end of the gear lever is fixedly connected with the backrest through a positioning screw, the other end of the gear lever is clamped on the gear block, a gear groove is arranged on the gear block, the gear groove is linearly distributed, the headrest is fixedly connected with the lifting assembly, and the height of the headrest can be adjusted by the user through the lifting assembly, so that the position of the headrest can be adjusted along with the body shapes or required positions of different users, the seat chair has the advantages of wide application range and wide application range, the first adjusting assembly and the second adjusting assembly are fixedly connected with the backrest, the user can adjust the inclination of the backrest through adjusting the first adjusting assembly and the second adjusting assembly according to the needs of the user, the seat chair is more comfortable when the user uses the seat chair, the seat chair has the advantages of high comfort, one end of the gear lever is fixedly connected with the backrest through the positioning screw, and the other end of the gear lever is clamped on the gear block, the gear block is provided with gear grooves which are linearly distributed, when a user needs to adjust the concave-convex degree of the lumbar plate, the user can manually hold the handle and adjust the gear rod into different gear grooves, and the adjusting process is simple and has the advantage of convenience in use.

Preferably, first adjusting part comprises first electronic penholder formula push rod and first screw thread adjusting lever, first screw thread adjusting lever cup joints on first electronic penholder formula push rod, because first screw thread adjusting lever cup joints on first electronic penholder formula push rod, first electronic penholder formula push rod outwards stretches out or inwards contracts, can drive the forward or seesaw of back, be used for adjusting the inclination of back, first screw thread adjusting lever is used for realizing manual regulation's effect, when first electronic penholder formula push rod can not normally work or do not need first electronic penholder formula push rod during operation, the gradient of back can be adjusted with first screw thread adjusting lever to the more comfortable cushion of using of user, its advantage of travelling comfort is high.

Preferably, the second adjusting component comprises a second electric penholder type push rod and a second thread adjusting rod, the second thread adjusting rod is sleeved on the second electric penholder type push rod, the second electric penholder type push rod extends outwards or contracts inwards, the backrest can be driven to move forwards or backwards and is used for adjusting the inclination angle of the backrest, the second thread adjusting rod is used for realizing the manual adjusting effect, when the second electric penholder type push rod cannot normally work or does not need the second electric penholder type push rod to work, the inclination of the backrest can be adjusted by the second thread adjusting rod, so that a user can use the back cushion more comfortably, and the cushion has the advantage of high comfort.

Preferably, the lifting component includes rack, gear, clutch and lifter, lifter and clutch fixed connection, clutch and gear fixed connection, wheel and rack meshing is connected, because lifter and clutch fixed connection, clutch and gear fixed connection, wheel and rack meshing is connected, and the gear rotates on the rack, can realize that the gear drives clutch and the relative rack up-and-down motion of lifter, can realize the lift of headrest for the position of headrest is along with user's figure or the position adjustment that needs, and application scope is wide, its advantage is wide application scope

Preferably, the clutch device comprises an electric clutch and a knob, the knob is sleeved on the electric clutch, and as the knob is sleeved on the electric clutch, when the headrest needs to be adjusted, the electric clutch is only required to drive the gear to rotate, and when the electric clutch cannot normally work or does not need to work, the knob is only required to be manually held to rotate the gear, so that the operation is simple and convenient, and the use is convenient.

Preferably, the terminal surface is provided with anti-skidding cloth under the seatpad, anti-skidding cloth with seatpad fixed connection, because anti-skidding cloth with seatpad fixed connection, when the seatpad was placed on bed or seat, the frictional force of cushion and bed or seat can be increased to the anti-skidding cloth, avoids the cushion to slide at will in the use, and the person of facilitating the use uses, its advantage convenient to use.

Preferably, the headrest is provided with a clip fixedly connected with the headrest, and as the clip is fixedly connected with the headrest, when a user takes a rest on the cushion, the user may cover an external blanket, clothes, or quilt, etc. on the user, and the user can hold the blanket, clothes, quilt, etc. with the clip, so that the user can take a rest with the cushion, which is advantageous in use.

The back includes ventilating board and decorative frame, decorative frame inlays on the ventilating board, still be provided with the protective layer on the ventilating board, the protective layer cup joints on the ventilating board, just the protective layer is zone of heating or the ventilative layer of screen cloth, because the protective layer is zone of heating or the ventilative layer of screen cloth, but the higher summer of temperature uses the ventilative layer of screen cloth, and the ventilative layer of screen cloth has the characteristics that the gas permeability is good, produces uncomfortable sense when avoiding the user to use the seat, and when the lower winter of temperature, use the zone of heating, utilize the zone of heating to heat and keep warm for the cushion, increase the travelling comfort of cushion, its advantage travelling comfort is high.

Preferably, be provided with the handle on the gear lever, the handle with gear lever fixed connection, because the handle with gear lever fixed connection, when the user need adjust the unsmooth degree of lumbar plate, can the manual work hold the handle, with gear lever adjust to different gear grooves in can, easy and simple to handle, its advantage convenient to use.

Preferably, a PLC controller and an air blower are arranged on the rear end face of the backrest, the air blower is located above the PLC controller, the PLC controller is electrically connected with the air blower, the voice control sensor, the electric clutch, the first electric penholder type push rod and the second electric penholder type push rod, and as the PLC controller is electrically connected with the air blower, the voice control sensor, the electric clutch, the first electric penholder type push rod and the second electric penholder type push rod, a user sends a command to the voice control sensor, the voice control sensor sends the command to the PLC controller, and the PLC controller centrally controls the air blower, the electric clutch, the first electric penholder type push rod and the second electric penholder type push rod to work, so that the intelligent cushion adjustment is realized.

Compared with the prior art, the invention has the advantages that: the invention has the advantages that the headrest is fixedly connected with the lifting component, a user can adjust the height of the headrest through the lifting component, the position of the headrest can be adjusted along with the body shapes or required positions of different users, the application range is wide, the first adjusting component and the second adjusting component are both fixedly connected with the backrest, the user can adjust the inclination of the backrest through adjusting the first adjusting component and the second adjusting component according to the needs of the user, the chair is more comfortable when the user uses the chair, the chair has the advantages that the comfort is high, one end of the gear lever is fixedly connected with the backrest through the positioning screw, the other end of the gear lever is clamped on the gear block, the gear groove is arranged on the gear block, the gear groove is linearly distributed, and when the concave-convex degree of the lumbar plate needs to be adjusted by the user, the handle can be manually held, the utility model has the advantages of convenient use, convenient adjustment process, convenient adjustment, and the first thread adjusting rod is sleeved on the first electric penholder type push rod, the first electric penholder type push rod extends outwards or retracts inwards to drive the backrest to move forwards or backwards to adjust the inclination angle of the backrest, the first thread adjusting rod is used for realizing the function of manual adjustment, when the first electric penholder type push rod can not work normally or does not need the first electric penholder type push rod to work, the first thread adjusting rod can be used for adjusting the inclination of the backrest so as to lead a user to use the back cushion more comfortably, the utility model has the advantages of high comfort, the second thread adjusting rod is sleeved on the second electric penholder type push rod, the second electric penholder type push rod extends outwards or retracts inwards to drive the backrest to move forwards or backwards, the backrest inclination adjusting mechanism has the advantages that the comfort is high, the lifting rod is fixedly connected with a clutch device, the clutch device is fixedly connected with a gear, the gear is meshed and connected with a rack, the gear rotates on the rack, the gear drives the clutch device and the lifting rod to move up and down relative to the rack, the lifting of the headrest can be realized, the position of the headrest is adjusted along with the body shape or the required position of a user, the application range is wide, the knob is sleeved on the electric clutch, and when the headrest is required to be adjusted, only the electric clutch is needed to drive the gear to rotate, when the electric clutch cannot normally work or the electric clutch is not needed to work, only the knob is needed to be manually held to rotate the gear, the operation is simple and convenient, the anti-slip cloth is fixedly connected with the seat cushion, when the seat cushion is placed on a bed or a seat, the anti-slip cloth can increase the friction force between the back cushion and the bed or the seat, the back cushion is prevented from sliding randomly in the using process, the use is convenient for a user, the use is convenient, the clamp is fixedly connected with the headrest, when the user has a rest on the back cushion, the user can cover external blankets, clothes or thin quilts on the body, the user can clamp the blankets, clothes or thin quilts and the like by the clamp, the use of the back cushion is convenient, the use is convenient, the protective layer is a heating layer or a mesh fabric ventilating layer, but the, the seat cushion has the advantages that the mesh cloth ventilating layer is good in air permeability and capable of avoiding discomfort when a user uses the seat cushion, the heating layer is used in winter when the temperature is low, the back cushion is heated and kept warm by the heating layer, the comfort of the back cushion is improved, the comfort is high, the handle is fixedly connected with the gear lever, when the user needs to adjust the concave-convex degree of the waist vertebral plate, the handle can be manually held, the gear lever can be adjusted to different gear grooves, the operation is simple and convenient, the seat cushion is convenient to use, the PLC is electrically connected with the air blower, the sound control sensor, the electric clutch, the first electric pen rod type push rod and the second electric pen rod type push rod, the user firstly sends a command to the sound control sensor, the sound control sensor sends the command to the PLC, and the PLC centrally controls the air blower, The electric clutch, the first electric penholder type push rod and the second electric penholder type push rod work to realize intelligent cushion adjustment, and the intelligent cushion adjusting device has the advantage of high intelligent degree.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a third adjusting assembly of the present invention.

Wherein: 1-a backrest; 2-a rotating shaft; 3, cushion; 4-a first adjustment assembly; 5-a second adjustment assembly; 6-a lifting assembly; 7-headrest; 8-a voice-controlled sensor; 9-a third adjustment assembly; 10-lumbar plate; 11-anti-slip cloth; 12-a clip; 13-a protective layer; 14-a PLC controller; 15-a blower; 1-1-a ventilation board; 1-2-a decorative frame; 4-1-a first electric penholder type push rod; 4-2-a first threaded adjusting rod; 5-1-a second electric penholder type push rod; 5-2-a second threaded adjusting rod; 6-1-rack; 6-2-gear; 6-3-clutch device; 6-4-lifting rod; 6-3-1-electric clutch; 6-3-2-knob; 9-1-gear block; 9-2-set screws; 9-3-gear lever; 9-4-support bar; 9-5-gear groove; 9-6-handle.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

As shown in fig. 1-2, an adjustable back cushion comprises a backrest 1, a rotating shaft 2 and a seat cushion 3, wherein the seat cushion 3 is rotatably connected with the backrest 1 through the rotating shaft 2, a first adjusting component 4, a second adjusting component 5, a lifting component 6, a headrest 7 and an acoustic control sensor 8 are arranged on the backrest 1, the acoustic control sensor 8 is fixedly connected with the headrest 7, the headrest 7 is fixedly connected with the lifting component 6, the lifting component 6 is positioned below the second adjusting component 5, the second adjusting component 5 is positioned above the first adjusting component 4, the first adjusting component 4 and the second adjusting component 5 are fixedly connected with the backrest 1, a third adjusting component 9 and a lumbar vertebral plate 10 are further arranged on the backrest 1, the lumbar vertebral plate 10 is connected with the backrest 1 through the third adjusting component 9, and the third adjusting component 9 comprises a gear block 9-1, The lumbar vertebra plate adjusting device comprises a positioning screw 9-2, a gear lever 9-3 and a support rod 9-4, one end of the support rod 9-4 is rotatably connected with the lumbar vertebra plate 10, the other end of the support rod 9-4 is rotatably connected with the gear lever 9-3, one end of the gear lever 9-3 is fixedly connected with the backrest 1 through the positioning screw 9-2, the other end of the gear lever is clamped on the gear block 9-1, a gear groove 9-5 is formed in the gear block 9-1, the gear grooves 9-5 are linearly distributed, the first adjusting assembly 4 comprises a first electric pen lever type push rod 4-1 and a first threaded adjusting rod 4-2, the first threaded adjusting rod 4-2 is sleeved on the first electric pen lever type push rod 4-1, the second adjusting assembly 5 comprises a second electric pen lever type push rod 5-1 and a second threaded adjusting rod 5-2, the second threaded adjusting rod 5-2 is sleeved on the second electric pen rod type push rod 5-1, the lifting assembly 6 comprises a rack 6-1, a gear 6-2, a clutch device 6-3 and a lifting rod 6-4, the lifting rod 6-4 is fixedly connected with the clutch device 6-3, the clutch device 6-3 is fixedly connected with the gear 6-2, the gear 6-2 is meshed with the rack 6-1, the clutch device 6-3 comprises an electric clutch 6-3-1 and a knob 6-3-2, the knob 6-3-2 is sleeved on the electric clutch 6-3-1, the lower end face of the seat cushion 3 is provided with an anti-slip cloth 11, the anti-slip cloth 11 is fixedly connected with the seat cushion 3, and a clamp 12 is arranged on the headrest 7, the clamp 12 is fixedly connected with the headrest 7, the backrest 1 comprises a ventilating plate 1-1 and a decorative frame 1-2, the decorative frame 1-2 is inlaid on the ventilating plate 1-1, a protective layer 13 is further arranged on the ventilating plate 1-1, the protective layer 13 is sleeved on the ventilating plate 1-1 and is a heating layer or a mesh breathable layer, a handle 9-6 is arranged on the gear lever 9-3, the handle 9-6 is fixedly connected with the gear lever 9-3, a PLC (programmable logic controller) 14 and an air blower 15 are arranged on the rear end face of the backrest 1, the air blower 15 is located above the PLC 14, and the PLC 14 is electrically connected with the air blower 15, the sound control sensor 8, the electric clutch 6-3-1, the first electric pen rod type push rod 4-1 and the second electric pen rod type push rod 5-1.

The working process of the adjustable back cushion is as follows: firstly, placing a back cushion on a bed, a sofa or a seat, then leaning the rear ends of a first adjusting component and a second adjusting component on the bed, the sofa or the seat, then sitting on the back cushion by a user, sending a headrest lifting command to a voice control sensor by the user if the height of the headrest is low, sending the command to a PLC (programmable logic controller) by the voice control sensor, sending a working command to an electric clutch by the PLC, driving a gear to rotate by the electric clutch at the moment, driving the gear to move upwards along a rack, driving a lifting rod to move upwards by the gear, driving the headrest to lift upwards by the lifting rod, sending a stopping command to the voice control sensor when the proper position is reached, manually holding a knob to rotate the gear by the user to realize manual adjustment of the height of the headrest, and then adjusting the inclination of the backrest by the first adjusting component and the second adjusting component, the back cushion is characterized in that a command of the back to the back is sent to the sound control sensor, then the PLC controls the first electric pen rod type push rod and the second electric pen rod type push rod to contract inwards, the angle between the back and the seat cushion is increased at the moment, otherwise, the angle is reduced, after the positions of the first electric pen rod type push rod and the second electric pen rod type push rod are adjusted, the first thread adjusting rod and the second thread adjusting rod can be manually held for fine adjustment, the inclination of the back is the most comfortable, so that a user can use the back cushion more comfortably, in summer, the air blower can be started to supply air to the back cushion, the effect of cooling is achieved, in winter, the heating layer is started to heat the back cushion, in addition, the user holds the handle, the gear lever is adjusted to different gear grooves, the concave-convex degree of the waist vertebral plate can be adjusted, and the lumbar.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adjustable back cushion comprises a backrest (1), a rotating shaft (2) and a seat cushion (3), wherein the seat cushion (3) is rotatably connected with the backrest (1) through the rotating shaft (2), and is characterized in that the backrest (1) is provided with a first adjusting component (4), a second adjusting component (5), a lifting component (6), a headrest (7) and a sound control sensor (8), the sound control sensor (8) is fixedly connected with the headrest (7), the headrest (7) is fixedly connected with the lifting component (6), the lifting component (6) is positioned below the second adjusting component (5), the second adjusting component (5) is positioned above the first adjusting component (4), the first adjusting component (4) and the second adjusting component (5) are both fixedly connected with the backrest (1), the backrest (1) is further provided with a lumbar vertebra adjusting component (9) and a lumbar vertebra plate (10), the lumbar plate (10) is connected with the backrest (1) through a third adjusting component (9), and the third adjusting component (9) comprises a gear block (9-1), a positioning screw (9-2), a gear lever (9-3) and a supporting rod (9-4), one end of the supporting rod (9-4) is rotatably connected with the lumbar plate (10), the other end of the supporting rod (9_4) is rotatably connected with the gear lever (9-3), one end of the gear lever (9-3) is fixedly connected with the backrest (1) through a positioning screw (9-2), the other end of the gear rod is clamped on the gear block (9-1), a gear groove (9-5) is formed in the gear block (9-1), and the gear grooves (9-5) are linearly distributed.

2. The adjustable back cushion according to claim 1, wherein the first adjusting assembly (4) is composed of a first electric penholder type push rod (4-1) and a first screw thread adjusting rod (4-2), and the first screw thread adjusting rod (4-2) is sleeved on the first electric penholder type push rod (4-1).

3. The adjustable back cushion according to claim 1, wherein the second adjusting assembly (5) is composed of a second electric penholder type push rod (5-1) and a second screw thread adjusting rod (5-2), and the second screw thread adjusting rod (5-2) is sleeved on the second electric penholder type push rod (5-1).

4. The adjustable back cushion according to claim 1, wherein the lifting assembly (6) comprises a rack (6-1), a gear (6-2), a clutch device (6-3) and a lifting rod (6-4), the lifting rod (6-4) is fixedly connected with the clutch device (6-3), the clutch device (6-3) is fixedly connected with the gear (6-2), and the gear (6-2) is engaged with the rack (6-1).

5. The adjustable back cushion according to claim 4, wherein the clutch device (6-3) comprises an electric clutch (6-3-1) and a knob (6-3-2), and the knob (6-3-2) is sleeved on the electric clutch (6-3-1).

6. The adjustable back cushion according to claim 1, characterized in that the lower end surface of the seat cushion (3) is provided with an anti-slip cloth (11), and the anti-slip cloth (11) is fixedly connected with the seat cushion (3).

7. The adjustable back cushion according to claim 1, wherein a clip (12) is provided on the headrest (7), the clip (12) being fixedly connected to the headrest (7).

8. The adjustable cushion for leaning on as claimed in claim 1, wherein the backrest (1) comprises a ventilation board (1-1) and a decoration frame (1-2), the decoration frame (1-2) is embedded on the ventilation board (1-1), a protection layer (13) is further arranged on the ventilation board (1-1), the protection layer (13) is sleeved on the ventilation board (1-1), and the protection layer (13) is a heating layer or a mesh fabric ventilation layer.

9. The adjustable back cushion according to claim 1, wherein a handle (9-6) is provided on the gearshift lever (9-3), and the handle (9-6) is fixedly connected with the gearshift lever (9-3).

10. The adjustable back cushion according to claim 1, wherein a PLC (programmable logic controller) controller (14) and an air blower (15) are arranged on the rear end face of the backrest (1), the air blower (15) is located above the PLC controller (14), and the PLC controller (14) is electrically connected with the air blower (15), the sound control sensor (8), the electric clutch (6-3-1), the first electric penholder push rod (4-1) and the second electric penholder push rod (5-1).