CN108887967B - Backrest seat with a plurality of adjustable units - Google Patents
Backrest seat with a plurality of adjustable units Download PDFInfo
- Publication number
- CN108887967B CN108887967B CN201811045346.8A CN201811045346A CN108887967B CN 108887967 B CN108887967 B CN 108887967B CN 201811045346 A CN201811045346 A CN 201811045346A CN 108887967 B CN108887967 B CN 108887967B
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- backrest
- cushion
- seat
- unit
- seat cushion
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/0246—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of screw-and-nut mechanism
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A backrest seat with a plurality of adjustable units relates to a backrest seat. The invention solves the problems that the existing seat structure can not meet different requirements of people on the angle of the seat cushion and the requirements of people on the type of softness and hardness of the seat cushion and the seat cushion under different conditions. The backrest seat with the adjustable units comprises a seat body and a backrest, the backrest comprises the adjustable units, the adjustable units are sequentially arranged along the vertical direction of the backrest, each adjustable unit comprises a backrest unit, a telescopic unit, a fixing unit and a backrest support, the backrest units are detachably mounted on the telescopic units, the telescopic units are mounted on the backrest support through the fixing units, and the lower ends of the backrest supports are connected with the seat body through the angle adjusting units. The backrest seat with a plurality of adjustable units can meet the requirements of people on the comfort level of the seat.
Description
Technical Field
The present invention relates to a back rest seat, and in particular to a back rest seat with a plurality of adjustable units.
Background
The current seat mainly comprises support, cushion, handrail etc. and such seat structure can't satisfy people to the different demands of seat cushion angle, also can not satisfy people to the demand of seat cushion and cushion soft or hard type under different circumstances, and current seat produces tired can only leave the seat easily and just can alleviate after sitting for a long time in addition, and another shortcoming of current seat is that the adjustment mode of handrail is limited, has not satisfied the demand of people to various angles and the form of handrail.
To sum up, the different demands of people to seat cushion angle can not be satisfied to current seat structure, also can not satisfy the demand of people to seat cushion and cushion soft or hard type under different circumstances.
Disclosure of Invention
The invention aims to solve the problems that the existing seat structure cannot meet different requirements of people on the angle of a seat cushion and cannot meet the requirements of people on the type of softness of the seat cushion and the type of softness of the seat cushion under different conditions, and further provides a backrest seat with a plurality of adjustable units.
The technical scheme adopted for solving the technical problems is as follows:
the backrest seat with the plurality of adjustable units comprises a seat body and a backrest, the backrest comprises the plurality of adjustable units, the adjustable units are sequentially arranged along the vertical direction of the backrest, the adjustable units comprise backrest units, telescopic units, fixing units and backrest brackets 1, the backrest units are detachably arranged on the telescopic units, the telescopic units are arranged on the backrest brackets 1 through the fixing units, and the lower ends of the backrest brackets 1 are connected with the seat body through angle adjusting units 15.
Further, the backrest unit comprises a backrest 2 and a backrest frame 18, wherein the backrest 2 is a double-sided backrest plate surface, the softness and hardness of the two front and back plate surfaces of the backrest are different, backrest mounting rods 19 are arranged on two sides of the backrest 2, the backrest frame 18 is a U-shaped frame, and the backrest 2 is detachably mounted on the backrest frame 18 through the backrest mounting rods 19.
Further, the telescopic unit comprises a deformation frame 16 and two limiting buckles 17, the deformation frame 16 is of a four-bar structure, a plurality of first limiting grooves are formed in two opposite side faces of the deformation frame 16 and the limiting buckles 17 in a machining mode along the length direction, and the two limiting buckles 17 are clamped on the corresponding first limiting grooves when the deformation frame 16 stretches.
Further, the telescopic unit comprises a backrest slide rod 3, a sliding support 21 and a backrest buckle 4, a plurality of second limiting grooves are formed in the backrest slide rod 3 in the length direction, the backrest unit is installed at one end of the backrest slide rod 3, the other end of the backrest slide rod 3 is arranged on the sliding support 21 in a penetrating mode, the sliding support 21 is adjusted to be located on the backrest support 1 through a sliding support knob 22, and the backrest slide rod 3 is clamped on the corresponding second limiting grooves through the backrest buckle 4 when being stretched.
Further, the angle adjusting unit 15 includes a semicircular adjusting disc, a rotating shaft pin and an adjusting locating pin, the semicircular adjusting disc is fixed on the seat body, the lower end of the backrest bracket 1 is rotationally connected with the lower portion of the semicircular adjusting disc through the rotating shaft pin, the semicircular adjusting disc is uniformly provided with a plurality of adjusting locating holes along the half circumference direction, and the adjusting locating pin is arranged on the lower portion of the backrest bracket 1 and the corresponding adjusting locating hole in a penetrating manner.
Further, the adjustable units are arranged in a matrix.
Further, the seat body includes activity cushion 5, fixed cushion 6, cushion catch bar 7, cushion support 9, slide base 10, two cushion buckles 8, two armrests 11 and two handrail framves 12, fixed cushion 6 is rectangular frame, fixed cushion 6 is installed on cushion support 9, cushion support 9 installs on slide base 10, activity cushion 5 is located fixed cushion 6, be provided with the sleeve on the cushion support 9, the lower part setting of cushion catch bar 7 is in the sleeve of cushion support 9, be provided with a plurality of third spacing grooves along its length direction symmetry on the lateral wall of cushion catch bar 7, through two cushion buckles 8 card on corresponding third spacing groove when activity cushion 5 is tensile, two armrests 11 are installed in the both sides of seat body through two handrail framves 12.
Further, the movable cushion 5 comprises a movable cushion body, cushion suspension frames 24 and two cushion fixing rods 25, the movable cushion 5 is a double-sided cushion plate surface, the softness and hardness of the two front and back cushion plate surfaces are different, two cushion fixing rods 25 are arranged on two sides of the movable cushion body, the cushion suspension frames 24 are U-shaped, and the movable cushion body is detachably mounted on the cushion suspension frames 24 through the two cushion fixing rods 25.
Further, each armrest 11 is mounted on the corresponding armrest frame 12 through an armrest adjusting knob 13, and the armrest 11 includes upper and lower plate surfaces, and the hardness of the two plate surfaces of the armrest is different.
Further, a first installation clamping groove is formed in the lower end face of the movable cushion 5, a first clamping plate is arranged at the upper end of the cushion push rod 7, and the upper end of the cushion push rod 7 is clamped on the first installation clamping groove of the cushion 5 through the first clamping plate; the backrest unit is provided with a second installation clamping groove, one end of the telescopic unit is provided with a second clamping plate, and one end of the telescopic unit is clamped on the second installation clamping groove of the backrest unit through the second clamping plate.
The invention has the following beneficial effects:
according to the backrest chair with the plurality of adjustable units, each cushion unit can be freely stretched and contracted, so that the cushion of the chair can be adjusted to be most suitable for the angle position of the user, and the problem that the traditional chair cannot meet the angle requirement of people on the cushion of the chair is solved;
according to the invention, the double-sided cushion is arranged on the cushion suspension, and the defect that the traditional seat can not switch the soft and hard types of the cushion and the cushion is overcome by switching the soft and hard types of the cushion and the cushion;
the seat body is divided into the fixed part and the telescopic movable cushion, and the telescopic movable cushion is lifted upwards, so that the shape and the angle of the whole cushion are changed, and the defect of long-time sitting fatigue of the traditional seat is overcome;
the armrest disclosed by the invention can be respectively stretched and rotated along three degrees of freedom, so that the problem that the traditional seat armrest is limited in adjustment mode is solved, different postures of people can be adapted, and the requirements of people on multiple angles and multiple forms of armrests are met.
Drawings
FIG. 1 is a schematic perspective view of the overall structure of a back seat with multiple adjustable units of the present invention;
FIG. 2 is a perspective view showing the structure of a telescopic unit according to a third embodiment of the present invention;
FIG. 3 is a perspective view showing the structure of a backrest unit in a second embodiment of the present invention;
fig. 4 is a structural perspective view (exploded state view) of a backrest unit in a second embodiment of the present invention;
fig. 5 is a structural perspective view of a backrest unit (a state in which a back cushion is used) in accordance with an eleventh embodiment of the present invention;
fig. 6 is a structural perspective view of a backrest unit (cushion replacement state) in an eleventh embodiment of the present invention;
FIG. 7 is a perspective view showing the structure of a telescopic unit according to a fourth embodiment of the present invention;
fig. 8 is a perspective view (installation state view) showing a connection structure of a backrest unit and a telescopic unit in accordance with a tenth embodiment of the present invention;
fig. 9 is a perspective view (exploded view) showing a structure in which a backrest unit and a telescopic unit are connected in accordance with a tenth embodiment of the present invention;
fig. 10 is a structural perspective view (installation state view) of the movable seat cushion 5 in the eighth embodiment of the present invention;
fig. 11 is a structural perspective view (exploded state view) of the movable seat cushion 5 in the eighth embodiment of the present invention;
fig. 12 is a structural perspective view (use state view) of the movable seat cushion 5 in the eleventh embodiment of the present invention;
fig. 13 is a structural perspective view (replacement state view) of the movable seat cushion 5 in the eleventh embodiment of the present invention;
fig. 14 is a perspective view (installation state view) of the connection structure of the movable seat cushion 5 and the cushion push rod 7 in the tenth embodiment;
fig. 15 is a perspective view (replacement state view) showing a structure in which the movable seat cushion 5 and the cushion push rod 7 are connected in the tenth embodiment.
Detailed Description
The first embodiment is as follows: as shown in fig. 1 to 15, the backrest seat with a plurality of adjustable units of the present embodiment includes a seat body and a backrest, the backrest includes a plurality of adjustable units, the adjustable units are sequentially arranged along a vertical direction of the backrest, the adjustable units include a backrest unit, a telescoping unit, a fixing unit, and a backrest bracket 1, the backrest unit is detachably mounted on the telescoping unit, the telescoping unit is mounted on the backrest bracket 1 through the fixing unit, and a lower end of the backrest bracket 1 is connected with the seat body through an angle adjusting unit 15.
The lower end of the backrest bracket 1 is provided with a horizontal beam which is inserted on the sleeve of the seat body and is adjusted in position on the sleeve of the seat body by a telescopic adjusting knob 14.
The second embodiment is as follows: as shown in fig. 3 and 4, the backrest unit of this embodiment includes a backrest 2 and a backrest frame 18, the backrest 2 is a double-sided backrest panel, the softness and hardness of the two front and back panels of the backrest are different, the backrest 2 is provided with backrest mounting bars 19 on both sides, the backrest frame 18 is a U-shaped frame, and the backrest 2 is detachably mounted on the backrest frame 18 through the backrest mounting bars 19. Through the soft and hard type switching of the cushion, the design solves the defect that the traditional seat can not switch the soft and hard type of the cushion and the cushion, and meets the requirement of people on the comfort level of the seat. Other components and connection relationships are the same as those of the first embodiment.
And a third specific embodiment: as shown in fig. 2, the telescopic unit of this embodiment includes a deformation frame 16 and two limiting buckles 17, the deformation frame 16 is of a four-bar structure, a plurality of first limiting grooves are processed on two opposite sides of the deformation frame 16 and the limiting buckles 17 along the length direction, and the two limiting buckles 17 are clamped on the corresponding first limiting grooves when the deformation frame 16 stretches. By the design, the back cushion of the seat can be adjusted to be the most suitable angle position through the four-bar structure, so that the problem that the traditional chair cannot meet the angle requirement of people on the back cushion of the seat is solved, and the requirement of people on the comfort level of the seat is met. Other components and connection relationships are the same as those of the first or second embodiment.
The specific embodiment IV is as follows: as shown in fig. 5 to 7, the telescopic unit of the present embodiment includes a backrest slide bar 3, a slide bracket 21 and a backrest buckle 4, a plurality of second limit grooves are formed in the backrest slide bar 3 in the length direction thereof, a backrest unit is mounted at one end of the backrest slide bar 3, the other end of the backrest slide bar 3 is mounted on the slide bracket 21 in a penetrating manner, the slide bracket 21 is adjusted to be positioned on the backrest bracket 1 by a slide bracket knob 22, and the backrest slide bar 3 is clamped on the corresponding second limit groove by the backrest buckle 4 when being stretched. By means of the design, the back cushion of the seat can be adjusted to be the most suitable angle position of the seat through the backrest sliding rod 3 and the sliding support 21, the problem that a traditional chair cannot meet the angle requirement of people on the back cushion of the seat is solved, and the requirement of people on the comfort level of the seat is met. Other components and connection relationships are the same as those of the first embodiment.
Fifth embodiment: as shown in fig. 1, the angle adjusting unit 15 of this embodiment includes a semicircular adjusting disk, a rotating shaft pin, and an adjusting positioning pin, the semicircular adjusting disk is fixed on the seat body, the lower end of the backrest bracket 1 is rotationally connected with the lower portion of the semicircular adjusting disk through the rotating shaft pin, the semicircular adjusting disk is uniformly distributed with a plurality of adjusting positioning holes along the half circumference, and the adjusting positioning pin is installed on the lower portion of the backrest bracket 1 and the corresponding adjusting positioning hole in a penetrating manner. So design, the inclination of the lower extreme of back support 1 and seat body can be adjusted, satisfies the needs of people to the different inclinations of seat. Other compositions and connection relationships are the same as those of the first, second or fourth embodiments.
Specific embodiment six: the adjustable units of the present embodiment are arranged in a matrix. So the design, thereby every cushion unit all can freely stretch out and draw back can adjust the cushion of seat to the most suitable self angular position, has solved traditional chair and can not satisfy the problem of people to seat cushion angle demand, satisfies the needs of people to the comfort level of seat. Other components and connection relationships are the same as those of the fifth embodiment.
Seventh embodiment: as shown in fig. 10 to 15, the seat body of the present embodiment includes a movable cushion 5, a fixed cushion 6, a cushion push rod 7, a cushion support 9, a slide base 10, two cushion buckles 8, two armrests 11 and two armrest frames 12, the fixed cushion 6 is a rectangular frame, the fixed cushion 6 is mounted on the cushion support 9, the cushion support 9 is mounted on the slide base 10, the movable cushion 5 is located in the fixed cushion 6, a sleeve is provided on the cushion support 9, the lower part of the cushion push rod 7 is disposed in the sleeve of the cushion support 9, a plurality of third limit grooves are symmetrically provided on the side wall of the cushion push rod 7 along the length direction thereof, when the movable cushion 5 is stretched, the two armrests 11 are mounted on both sides of the seat body through the two armrest frames 12, and the two cushion buckles 8 are clamped on the corresponding third limit grooves. By means of the design, the seat body is divided into the fixed part and the telescopic movable cushion, the telescopic movable cushion is lifted upwards, the shape and the angle of the whole cushion are changed, the defect of long-time sitting fatigue of a traditional seat is overcome, and the requirement of people on comfort level of the seat is met. Other compositions and connections are the same as those of the first, second, fourth or sixth embodiments.
Eighth embodiment: as shown in fig. 10 to 13, the movable cushion 5 of the present embodiment includes a movable cushion body, a cushion suspension 24 and two cushion fixing rods 25, the movable cushion 5 is a double-sided cushion surface, the softness and hardness of the two front and back cushion surfaces are different, two cushion fixing rods 25 are provided on two sides of the movable cushion body, the cushion suspension 24 is U-shaped, and the movable cushion body is detachably mounted on the cushion suspension 24 through the two cushion fixing rods 25. Through the design, the soft and hard type of the cushion plate surface is switched, the defect that the soft and hard type of the cushion can not be switched in the traditional seat is overcome, and the requirement of people on the comfort level of the seat is met. Other compositions and connection relationships are the same as those of the seventh embodiment.
Detailed description nine: as shown in fig. 1, each armrest 11 is mounted on a corresponding armrest frame 12 through an armrest adjusting knob 13, and the armrest 11 includes upper and lower plate surfaces, and the two plate surfaces of the armrest have different hardness. Through the design, the defect that the traditional seat can not switch the soft and hard type of the armrest 11 is overcome through the soft and hard type switching of the armrest 11, and the requirement of people on the comfort level of the seat is met. Other compositions and connection relationships are the same as those of embodiment eight.
Detailed description ten: as shown in fig. 8, 9, 14 and 15, a first installation clamping groove is formed in the lower end face of the movable cushion 5 in the embodiment, a first clamping plate is arranged at the upper end of the cushion push rod 7, and the upper end of the cushion push rod 7 is clamped on the first installation clamping groove of the cushion 5 through the first clamping plate; the backrest unit is provided with a second installation clamping groove, one end of the telescopic unit is provided with a second clamping plate, and one end of the telescopic unit is clamped on the second installation clamping groove of the backrest unit through the second clamping plate. So design, convenient to detach installs. Other compositions and connection relationships are the same as those of the eighth or ninth embodiment.
Eleventh embodiment: as shown in fig. 5 and 6, the backrest unit of this embodiment includes a backrest 2, a backrest frame 18, a backrest mounting rod 19 and a backrest limiting pin 20, wherein the backrest 2 is a double-sided backrest plate surface, the softness and hardness of two front and back plate surfaces of the backrest are different, a first mounting rod sleeve is horizontally arranged in the middle of the backrest 2, the backrest mounting rod 19 is installed on the first mounting rod sleeve in a penetrating manner, the backrest frame 18 is a U-shaped frame, horizontal grooves are processed on two sides of the U-shaped frame, one end of the backrest mounting rod 19 is rotationally connected with one side of the U-shaped frame, and the other end of the backrest mounting rod 19 is limited by the backrest limiting pin 20. When the surface of the backrest 2 is replaced, the backrest limiting pin 20 is pulled out, the other end of the backrest mounting rod 19 is pulled out, the surface of the backrest 2 is replaced by overturning, then the backrest mounting rod 19 is pushed back, and the backrest mounting rod 19 is limited through the backrest limiting pin 20. Other compositions and connection relationships are the same as those of the seventh, eighth or ninth embodiments.
Twelve specific embodiments: as shown in fig. 12 and 13, the movable cushion 5 of this embodiment includes a movable cushion body, a cushion suspension 24, a cushion fixing rod 25 and a cushion limiting pin 26, the movable cushion 5 is a double-sided cushion plate surface, the softness and hardness of two positive and negative cushion plates are different, a second installation rod sleeve is arranged on the movable cushion body, the cushion fixing rod 25 is sleeved on the second installation rod sleeve, the cushion suspension 24 is a U-shaped frame, two sides of the U-shaped frame are provided with vertical grooves, one end of the cushion fixing rod 25 is rotationally connected with one side of the U-shaped frame, and the other end of the cushion fixing rod 25 is limited by the cushion limiting pin 26. So designed, when the movable cushion 5 changes the surface, the cushion limiting pin 26 is pulled out, the other end of the cushion fixing rod 25 is pulled out, the movable cushion 5 changes the surface, then the cushion fixing rod 25 is pushed back, and the cushion fixing rod 25 is limited through the cushion limiting pin 26. Other compositions and connection relationships are the same as those of the seventh, eighth or ninth embodiments.
Claims (8)
1. A back seat with a plurality of adjustable units, the back seat with a plurality of adjustable units comprising a seat body and a back, characterized in that: the backrest comprises a plurality of adjustable units which are sequentially arranged along the vertical direction of the backrest, the adjustable units comprise a backrest unit, a telescopic unit, a fixed unit and a backrest bracket (1), the backrest unit is detachably arranged on the telescopic unit, the telescopic unit is arranged on the backrest bracket (1) through the fixed unit, and the lower end of the backrest bracket (1) is connected with the seat body through an angle adjusting unit (15);
the seat body comprises a movable seat cushion (5), a fixed seat cushion (6), a seat cushion push rod (7), a seat cushion support (9), a sliding base (10), two seat cushion buckles (8), two armrests (11) and two armrest frames (12), wherein the fixed seat cushion (6) is a rectangular frame, the fixed seat cushion (6) is installed on the seat cushion support (9), the seat cushion support (9) is installed on the sliding base (10), the movable seat cushion (5) is located in the fixed seat cushion (6), a sleeve is arranged on the seat cushion support (9), the lower portion of the seat cushion push rod (7) is arranged in the sleeve of the seat cushion support (9), a plurality of third limit grooves are symmetrically arranged on the side wall of the seat cushion push rod (7) along the length direction of the side wall of the seat cushion push rod, the movable seat cushion (5) is clamped on the corresponding third limit grooves through the two seat cushion buckles (8), and the two armrests (11) are installed on two sides of the seat body through the two armrest frames (12) when the movable seat cushion (5) is stretched.
The movable cushion (5) comprises a movable cushion body, a cushion suspension (24), two cushion fixing rods (25) and cushion locating pins (26), wherein the movable cushion (5) is a double-sided cushion plate surface, the hardness of the two positive and negative cushion plates is different, two cushion fixing rods (25) are arranged on two sides of the movable cushion body, a second installation rod sleeve is arranged on the movable cushion body, the cushion fixing rods (25) are sleeved on the second installation rod sleeve, the cushion suspension (24) is U-shaped, vertical grooves are formed in two sides of the U-shaped frame in a processing mode, one end of each cushion fixing rod (25) is connected with one side of the U-shaped frame in a rotating mode, and the other end of each cushion fixing rod (25) is limited through the cushion locating pins (26).
2. The back seat with multiple adjustable units of claim 1, wherein: the backrest unit comprises a backrest (2) and a backrest frame (18), wherein the backrest (2) is a double-sided backrest plate surface, the softness and hardness of the two front plate surfaces of the backrest are different, backrest mounting rods (19) are arranged on two sides of the backrest (2), the backrest frame (18) is a U-shaped frame, and the backrest (2) is detachably mounted on the backrest frame (18) through the backrest mounting rods (19).
3. A back seat with multiple adjustable units according to claim 1 or 2, characterized in that: the telescopic unit comprises a deformation frame (16) and two limiting buckles (17), the deformation frame (16) is of a four-bar structure, a plurality of first limiting grooves are formed in the two opposite side faces of the deformation frame (16) and the limiting buckles (17) in a machining mode along the length direction, and the two limiting buckles (17) are clamped on the corresponding first limiting grooves when the deformation frame (16) stretches.
4. The back seat with multiple adjustable units of claim 1, wherein: the telescopic unit comprises a backrest slide rod (3), a sliding support (21) and backrest buckles (4), a plurality of second limit grooves are formed in the backrest slide rod (3) in the length direction, the backrest unit is installed at one end of the backrest slide rod (3), the other end of the backrest slide rod (3) is arranged on the sliding support (21) in a penetrating mode, the sliding support (21) is arranged on the backrest support (1) in an adjusting mode through a sliding support knob (22), and the backrest slide rod (3) is clamped on the corresponding second limit grooves through the backrest buckles (4) when being stretched.
5. The back seat with multiple adjustable units of claim 1, 2 or 4, wherein: the angle adjusting unit (15) comprises a semicircular adjusting disc, a rotating shaft pin and an adjusting and positioning pin, the semicircular adjusting disc is fixed on the seat body, the lower end of the backrest bracket (1) is rotationally connected with the lower portion of the semicircular adjusting disc through the rotating shaft pin, the semicircular adjusting disc is uniformly provided with a plurality of adjusting and positioning holes along the half circumference direction of the semicircular adjusting disc, and the adjusting and positioning pin is arranged on the lower portion of the backrest bracket (1) and the corresponding adjusting and positioning holes in a penetrating mode.
6. The back seat with multiple adjustable units of claim 5, wherein: the adjustable units are arranged in a matrix.
7. The back seat with multiple adjustable units of claim 6, wherein: each armrest (11) is arranged on the corresponding armrest frame (12) through an armrest adjusting knob (13), and each armrest (11) comprises an upper plate surface and a lower plate surface, and the softness and the hardness of the two plate surfaces of each armrest are different.
8. The back seat with multiple adjustable units of claim 7, wherein: a first installation clamping groove is formed in the lower end face of the movable cushion (5), a first clamping plate is arranged at the upper end of the cushion push rod (7), and the upper end of the cushion push rod (7) is clamped on the first installation clamping groove of the cushion (5) through the first clamping plate; the backrest unit is provided with a second installation clamping groove, one end of the telescopic unit is provided with a second clamping plate, and one end of the telescopic unit is clamped on the second installation clamping groove of the backrest unit through the second clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045346.8A CN108887967B (en) | 2018-09-07 | 2018-09-07 | Backrest seat with a plurality of adjustable units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045346.8A CN108887967B (en) | 2018-09-07 | 2018-09-07 | Backrest seat with a plurality of adjustable units |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108887967A CN108887967A (en) | 2018-11-27 |
| CN108887967B true CN108887967B (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811045346.8A Active CN108887967B (en) | 2018-09-07 | 2018-09-07 | Backrest seat with a plurality of adjustable units |
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| CN (1) | CN108887967B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11253076B2 (en) * | 2019-02-05 | 2022-02-22 | Unchair LLC | Chair having open shoulder backrest |
| CN109662520B (en) * | 2019-02-21 | 2023-09-01 | 南京林业大学 | Performance test method of chair for children experiment |
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Also Published As
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|---|---|
| CN108887967A (en) | 2018-11-27 |
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