CN110742431B - Waist support structure applied to sofa seat - Google Patents
Waist support structure applied to sofa seat Download PDFInfo
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- CN110742431B CN110742431B CN201910964029.4A CN201910964029A CN110742431B CN 110742431 B CN110742431 B CN 110742431B CN 201910964029 A CN201910964029 A CN 201910964029A CN 110742431 B CN110742431 B CN 110742431B
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- 238000012423 maintenance Methods 0.000 claims description 29
- 239000011324 bead Substances 0.000 claims description 13
- 230000008602 contraction Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 abstract description 5
- 210000001624 hip Anatomy 0.000 abstract 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000276 sedentary effect Effects 0.000 description 1
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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—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile 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
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details specially adapted for beds, sofas or couches not fully covered by any single one of groups A47C17/02 - A47C17/84
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a lumbar support structure applied to a sofa seat, relates to the technical field of lumbar support, and solves the problem that the traditional seat cannot completely support the waists of people with different body types; people's waist relies on behind on the board, thereby the effort that the waist relied on is on the board of relying on and promote the direction motion that relies on the board orientation to be close to the fixed plate through the direction motion that link gear promoted two curved dimension backplate orientation and be close to the waist both sides and the laminating in the waist both sides for the people of any size sit after on the chair, can both cross the difference through waist dependence effort, make the dimension backplate laminating of waist both sides in the waist both sides, the completion is to the complete support of waist.
Description
Technical Field
The invention relates to the technical field of lumbar support, in particular to a lumbar support structure applied to a sofa seat.
Background
People in the modern society often have certain problems in the waist due to sedentary work, so that the support of the waist after sitting on the seat can improve the comfort of the people.
Most of the existing sofa chairs support the waist of a person through a soft and elastic convex structure, and the enclosing structures are arranged on the two sides of the elastic bulge structure to better support the waist of a person at the two sides of the waist of the person, the waist support structure moves along with the movement of the seat back of the sofa, so that the waist of the person can be supported by the convex structure in any posture after the person sits on the seat, however, the seat is not only used by the same person, but also by different persons due to their height and weight, the whole width of the waist part is different after the user sits on the seat, so that different people can only contact the waist part with the convex structure after sitting on the seat, however, the two sides of the waist part cannot be supported in an enclosing way through the enclosing structures on the two sides, and the complete support of the waist part cannot be realized.
Disclosure of Invention
In view of the defects in the prior art, an object of the present invention is to provide a lumbar support structure applied to a sofa seat, wherein after a person leans on a leaning plate, the waist leans on a force which acts on the leaning plate and pushes the leaning plate to move in a direction close to a fixing plate, so that two arc-shaped maintenance plates are pushed by a linkage mechanism to move in a direction close to two sides of the waist and to be attached to two sides of the waist, and after the person of any body type sits on the chair, the maintenance plates on two sides of the waist can be attached to two sides of the waist through the difference of the waist depending force, thereby completing the complete support of the waist.
In order to achieve the purpose, the invention provides the following technical scheme: a waist supporting structure applied to a sofa seat comprises a fixed plate fixedly connected to one side, close to a human body, of a chair back, a depending plate arranged on one side, away from the chair back, of the fixed plate, two maintenance plates which are arranged in an arc shape and rotatably connected to two sides of a rotating plate, two sliding blocks arranged on one side, close to the depending plate, of the fixed plate, one end of each sliding block is rotatably connected to the corresponding sliding block, the other end of each sliding block is rotatably connected to a push rod on one side, close to the fixed plate, of the depending plate, two contraction springs with two ends respectively fixedly connected to the two sliding blocks, one end of each sliding block is rotatably connected to the corresponding sliding block, the other end of each connecting rod is rotatably connected to one side, away from the depending plate, of the maintenance plates, and two fixing rods which are fixedly connected to one side, close to the depending plate, of the fixed plate and are respectively positioned on one side, away from each other, of the two sliding blocks;
the backrest plate and the chair back are parallel to each other, the two sliding blocks are symmetrically arranged relative to the middle position of one side of the top of the backrest plate, the two sliding blocks slide on the backrest plate along the directions close to and away from each other, and one ends of the two push rods close to the sliding blocks are obliquely arranged towards the directions away from each other;
the rectangular hole that runs through the connecting rod is seted up along vertical direction at connecting rod top, the length direction in rectangular hole is the same with the length direction of connecting rod, the dead lever is close to two connecting plates that are located connecting rod top and bottom respectively of one end fixedly connected with of connecting rod, be provided with the spliced pole that passes the rectangular hole between two connecting plates, the vertical setting of axis direction of spliced pole, the both ends difference fixed connection of spliced pole is on two connecting plates.
Through adopting above-mentioned technical scheme, the people is after sitting the chair, the waist relies on the board, under the effort of people's waist, promote to rely on the board orientation to move near the direction of fixed plate, promote two sliding blocks through the push rod in the middle of the process of motion and slide towards the direction that deviates from each other according to the board, the sliding block is in the middle of the gliding process of the direction that deviates from each other, under the effect of connecting rod and dead lever, promote the one side orientation that the maintenance board deviates from the fixed plate and rotate towards the direction that is close to each other, thereby maintain the both sides at people's waist with the maintenance board, to the people of different sizes, can both rely on the effort according to the board through the waist, maintain the maintenance board in the waist both sides, realize the complete support to the waist.
The invention is further configured to: the side, close to the leaning plate, of the fixed plate is provided with a yielding groove, one side, away from the leaning plate, of the yielding groove is provided with a sliding groove formed in the fixed plate, the length direction of the sliding groove and the length direction of the corresponding yielding groove are the same as the sliding direction of the sliding blocks, the two sliding blocks are located in the sliding groove, the width of each sliding block is equal to the width of the corresponding sliding groove, and the sliding blocks can slide in the sliding groove along the length direction of the corresponding sliding groove;
the retraction spring is located in the sliding slot.
Through adopting above-mentioned technical scheme, through setting up the sliding tray and stepping down the groove, can enough lead the slip direction of sliding block, still make the sliding block be difficult to break away from the fixed plate.
The invention is further configured to: one side that the sliding tray deviates from the groove of stepping down is provided with the guiding groove of seting up on the fixed plate, and the cross-section of guiding groove is the arc setting, and the sliding block is close to one side of guiding groove and sets up a plurality of holding tanks that are the arc setting, is provided with the guide pearl in the holding tank, and the opposite side is arranged in the guiding groove in guide pearl one side is arranged in the holding tank.
The invention is further configured to: two guide grooves which are arranged on the fixed plate are arranged on one side, close to the abdicating groove, of the sliding groove, the guide grooves are respectively arranged on two sides of the abdicating groove, the length direction of the guide grooves is the same as that of the guide grooves, the length direction of the guide grooves is the same as that of the sliding groove, and the cross sections of the guide grooves are arranged in an arc shape;
the bottom of guide way is provided with a plurality of storage tanks of seting up on the sliding block, and the storage tank is the arc setting, is provided with the direction pearl in the storage tank, and direction pearl one side is arranged in the storage tank opposite side and is arranged in the guide way.
Through adopting above-mentioned technical scheme, through setting up guide pearl and direction pearl for the resistance that the sliding block received when the sliding in the middle of the sliding tray is littleer, thereby makes the position control of dimension backplate more smooth and easy.
The invention is further configured to: the top and the bottom of one end of the push rod, which is close to the sliding block, are provided with mounting plates fixedly connected to the sliding block, a fixed shaft penetrating through the push rod is arranged between the two mounting plates, the push rod is rotatably connected to the fixed shaft, and two ends of the fixed shaft are respectively and fixedly connected to the two mounting plates;
the connection mode of the push rod and the depending plate, the connection mode of the connecting rod and the sliding block, the connection mode of the connecting rod and the maintenance plate and the connection mode of the push rod and the sliding rod are the same.
Through adopting above-mentioned technical scheme, through setting up mounting panel and fixed axle for the rotation that push rod and connecting rod can be smooth realizes the regulation to the maintenance board position.
The invention is further configured to: the side, away from the fixed plate, of the depending plate is fixedly connected with an arc-shaped plate, the arc-shaped plate protrudes towards the direction away from the fixed plate, two sides, connected with the fixed plate, of the arc-shaped plate are respectively located at the positions, close to the top and the bottom, of the fixed plate, and two sides of the arc-shaped plate can slide up and down on the fixed plate;
the arc-shaped plate is an elastic arc-shaped plate.
Through adopting above-mentioned technical scheme, after people's waist relied on the arc, protruding one side of arc can support tightly on people's waist to support the difference of tight power according to the waist, the protruding both sides of arc can slide from top to bottom, thereby make to supporting tightly of waist can adjust suitable state according to the difference of the power that the waist relied on.
The invention is further configured to: set up vertical setting spout according to one side that the board deviates from the fixed plate, the both sides of arc all fixedly connected with and the spout slider of mutually supporting, the cross section of spout and slider all is the setting of type of protruding.
Through adopting above-mentioned technical scheme, set the cross section through with slider and spout to the type of protruding for the arc is difficult to break away from on the backup plate.
The invention is further configured to: one side that deviates from the fixed plate according to the board is provided with the elastic cushion block, and the elastic cushion block is located between arc and the dependence board, and the elastic cushion block is close to arc one side and laminates each other with the arc.
Through adopting above-mentioned technical scheme, through setting up the cushion, increased the elasticity of arc to make people's waist rely on more comfortable after on the arc.
The invention is further configured to: the maintenance plate is an elastic maintenance plate.
Through adopting above-mentioned technical scheme, the dimension backplate has elasticity for the dimension backplate can change own shape according to the shape of different people's waist both sides, makes the both sides of laminating at the waist that the dimension backplate can be inseparabler, thereby can be better supports people's waist.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, by arranging the depending plate, the maintenance plate, the sliding blocks, the push rods, the connecting rods and the fixing rods, after a person sits on the chair, the waist of the person depends on the depending plate, the depending plate is pushed to move towards the direction close to the fixing plate under the action of the waist of the person, the depending plate pushes the two sliding blocks to slide towards the directions departing from each other through the push rods in the moving process, and the sliding blocks slide towards the directions departing from each other;
2. according to the invention, the guide beads and the guide beads are arranged, so that the resistance borne by the sliding block when the sliding block slides in the sliding groove is smaller, and the position adjustment of the maintenance plate is smoother.
Drawings
FIG. 1 is an isometric view of the embodiment in use;
FIG. 2 is an isometric view of the complete structure of the embodiment;
FIG. 3 is a schematic view of an embodiment embodying a retraction spring;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is an enlarged view of the portion B of FIG. 2;
FIG. 6 is an enlarged view of section C of FIG. 3;
FIG. 7 is a cross-sectional view of an embodiment embodying guide beads and guide beads;
FIG. 8 is a schematic view of an embodiment embodying guide grooves and guide grooves;
fig. 9 is a schematic view of an embodiment embodying an arcuate plate and a resilient pad.
In the figure: 1. a sofa seat; 2. a fixing plate; 21. a yielding groove; 22. a sliding groove; 221. a guide groove; 222. a guide groove; 3. a backup plate; 31. a fixed block; 32. a chute; 4. maintaining the guard plate; 41. connecting blocks; 42. a connecting shaft; 5. a slider; 51. mounting a plate; 52. accommodating a tank; 521. a guide bead; 53. a containing groove; 531. a guide bead; 6. a push rod; 61. a fixed shaft; 7. a connecting rod; 71. a strip hole; 8. fixing the rod; 81. a connecting plate; 82. connecting columns; 9. a retraction spring; 10. an arc-shaped plate; 101. an elastic cushion block; 102. a slide block.
Detailed Description
Example (b): a waist support structure applied to a sofa seat comprises a fixed plate 2 fixedly connected to one side, close to a human body, of a chair back of a sofa seat 1, a relying plate 3 arranged on one side, away from the chair back, of the fixed plate 2, a two-dimensional guard plate 4 rotatably connected to two sides of a rotating plate, two sliding blocks 5 arranged on one side, close to the relying plate 3, of the fixed plate 2, a push rod 6 with one end rotatably connected to the sliding block 5 and the other end rotatably connected to one side, close to the fixed plate 2, of the relying plate 3, two contraction springs 9 with two ends respectively fixedly connected to the two sliding blocks 5, two connecting rods 7 with one end rotatably connected to the sliding block 5 and the other end rotatably connected to one side, away from the relying plate 3, of the maintenance plate 4, and two fixing rods 8 fixedly connected to one side, close to the relying plate 3, of the fixed plate 2; the maintenance plate 4 is arranged in an arc shape, the depending plate 3 and the depending plate 3 are parallel to the chair back, the two sliding blocks 5 are symmetrically arranged relative to the middle position of one side of the top of the depending plate 3, the two sliding blocks 5 slide on the depending plate 3 along the directions close to and far away from each other, and one ends of the two push rods 6 close to the sliding blocks 5 are obliquely arranged towards the directions away from each other; the two fixed rods 8 are respectively positioned at the sides of the two sliding blocks 5 which are deviated from each other; the maintenance plate 4 has elasticity.
The rectangular hole 71 that runs through connecting rod 7 is seted up along vertical direction at connecting rod 7 top, the length direction in rectangular hole 71 is the same with the length direction of connecting rod 7, dead lever 8 is close to two connecting plates 81 that are located connecting rod 7 top and bottom respectively of one end fixedly connected with of connecting rod 7, be provided with the spliced pole 82 that passes rectangular hole 71 between two connecting plates 81, the vertical setting of axis direction of spliced pole 82, fixed connection is on two connecting plates 81 respectively at the both ends of spliced pole 82.
Usually, under the spring action of shrink spring 9, two sliding blocks 5 are close to each other, the people sits on the chair and the waist relies on behind on board 3, under the effort that the waist relied on, promote to rely on board 3 to move towards the direction that is close to fixed plate 2, rely on board 3 to promote two sliding blocks 5 through push rod 6 in the middle of the process of moving towards fixed plate 2 and slide towards the direction that deviates from each other, sliding block 5 drives connecting rod 7 in the middle of carrying out gliding process and promotes two-dimensional backplate 4 and deviate from the direction motion that is close to each other according to one side orientation of board 3, thereby make the laminating of maintenance board 4 in the both sides of people's waist, and maintenance board 4 is under the effect of connecting rod 7, can carry out the change of shape according to the shape of different people's waist both sides, make the laminating that maintenance board 4 can be inseparable in the both sides of people's waist. After a person sits on the seat, the respective mechanisms are restored to their original positions by the elastic force of the contraction springs 9.
The maintenance plate 4 is close to the two connecting blocks 41 arranged in the vertical direction of one side fixedly connected with of the depending plate 3, the top and the bottom of the connecting block 41 are all provided with the fixed block 31 fixedly connected on the depending plate 3, the top and the bottom of the connecting block 41 are all fixedly connected with the connecting shaft 42 penetrating through the fixed block 31, the fixed block 31 is rotatably connected on the connecting shaft 42, and the axis of the connecting shaft 42 is vertically arranged.
The top and the bottom of one end of the push rod 6 close to the sliding block 5 are both provided with mounting plates 51 fixedly connected to the sliding block 5, a fixed shaft 61 penetrating through the push rod 6 is arranged between the two mounting plates 51, the axis direction of the fixed shaft 61 is vertically arranged, the push rod 6 is rotatably connected to the fixed shaft 61, and two ends of the fixed shaft 61 are respectively fixedly connected to the two mounting plates 51; the connection mode of the push rod 6 and the relying plate 3, the connection mode of the connecting rod 7 and the sliding block 5, the connection mode of the connecting rod 7 and the maintenance plate 4 and the connection mode of the push rod 6 and the sliding block are the same, and the description is omitted here.
One side, close to the leaning plate 3, of the fixed plate 2 is provided with a yielding groove 21, one side, away from the leaning plate 3, of the yielding groove 21 is provided with a sliding groove 22 formed in the fixed plate 2, the length direction of the sliding groove 22 and the corresponding yielding groove 21 is the same as the sliding direction of the sliding block 5, the two sliding blocks 5 are located in the sliding groove 22, the width of the sliding block 5 is equal to the width of the sliding groove 22, and the sliding block 5 can slide in the sliding groove 22 along the length direction of the sliding groove 22; the retraction spring 9 is located in the slide groove 22. The sliding plate slides in the sliding groove 22, and the sliding plate can be guided in the sliding direction and prevented from being separated from the sliding groove 22.
One side that sliding tray 22 deviates from the groove 21 of stepping down is provided with the guide slot 221 of seting up on fixed plate 2, and the cross-section of guide slot 221 is the arc setting, and a plurality of holding tanks 52 that are the arc setting are seted up to one side that sliding block 5 is close to guide slot 221, is provided with guide ball 521 in the holding tank 52, and guide ball 521 one side is arranged in holding tank 52 the opposite side is arranged in guide slot 221. One side of the sliding groove 22 close to the abdicating groove 21 is provided with two guide grooves 222 arranged on the fixing plate 2, the guide grooves 222 are respectively positioned at two sides of the abdicating groove 21, the length direction of the guide grooves 222 is the same as that of the guide grooves 221, the length direction of the guide grooves 222 is the same as that of the sliding groove 22, and the cross section of the guide grooves 222 is arc-shaped; the bottom of the guide groove 222 is provided with a plurality of receiving grooves 53 formed in the slide block 5, the receiving grooves 53 are arranged in an arc shape, a guide bead 531 is disposed in the receiving groove 53, and one side of the guide bead 531 is located in the receiving groove 53 and the other side is located in the guide groove 222.
In the sliding process of the sliding block 5 in the sliding groove 22, the guiding beads 531 and the guiding beads 521 roll in the guiding grooves 222 and the guiding grooves 221 respectively, so that the sliding direction of the sliding block 5 can be guided, the resistance of the sliding block 5 in the sliding process can be reduced, and the sliding of the sliding block 5 is smoother.
Rely on one side fixedly connected with arc 10 that board 3 deviates from fixed plate 2, arc 10 orientation deviates from the direction arch of fixed plate 2, and the both sides that arc 10 and fixed plate 2 are connected are located fixed plate 2 respectively and are close to the top and be close to the position of bottom, and arc 10 has elasticity. Two vertical setting chutes 32 have been seted up to one side that deviates from fixed plate 2 by board 3, the both sides of arc 10 all fixedly connected with two respectively with two chutes 32 slider 102 of mutually supporting, the cross section of chute 32 and slider 102 all is the setting of type of protruding font, slider 102 can slide along vertical direction in the middle of chute 32. One side that deviates from fixed plate 2 in dependence board 3 is provided with elastic cushion 101, and elastic cushion 101 is located between arc 10 and dependence board 3, and elastic cushion 101 is close to arc 10 one side and laminates each other with arc 10.
After people's waist relied on the arc 10, according to the difference of the power of relying on, elastic deformation can take place for arc 10 and cushion to make the laminating that arc 10 can be inseparabler at people's waist, improve the support effect to the waist.
The working principle of the lumbar support structure applied to the sofa seat in use is as follows: when no one is sitting on the chair, under the action of the elastic force of the retraction spring 9, the two sliding blocks 5 approach each other, and after the person is sitting on the chair and the waist rests on the resting plate 3, under the acting force of waist, the leaning plate 3 is pushed to move towards the direction close to the fixed plate 2, the leaning plate 3 pushes the two sliding blocks 5 to slide towards the directions departing from each other through the push rod 6 in the process of moving towards the fixed plate 2, the sliding blocks 5 drive the connecting rod 7 to push the two-dimensional protection plate 4 to move towards the directions approaching to each other from the side departing from the leaning plate 3 in the process of sliding, therefore, the maintenance plates 4 are attached to the two sides of the waist of a person, and the maintenance plates 4 can change shapes according to the shapes of the two sides of the waist of the person under the action of the connecting rods 7, so that the maintenance plates 4 can be closely attached to the two sides of the waist of the person. After a person sits on the seat, the respective mechanisms are restored to their original positions by the elastic force of the contraction springs 9.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. A be applied to lumbar support structure of sofa seat which characterized in that: comprises a fixed plate (2) fixedly connected with one side of a chair back close to a human body, a depending plate (3) arranged at one side of the fixed plate (2) far away from the chair back, two maintenance plates (4) which are rotationally connected with two sides of a rotating plate and arranged in an arc shape, and two sliding blocks (5) arranged at one side of the fixed plate (2) close to the depending plate (3), one end of the push rod (6) is rotatably connected to the sliding block (5) and the other end of the push rod is rotatably connected to one side, close to the fixed plate (2), of the depending plate (3), two contraction springs (9) with two ends respectively and fixedly connected to the two sliding blocks (5), one end of the connecting rod (7) is rotatably connected to the sliding block (5) and the other end of the connecting rod is rotatably connected to one side, away from the depending plate (3), of the maintenance plate (4), and two fixing rods (8) are fixedly connected to one side, close to the depending plate (3), of the fixed plate (2) and are respectively positioned at one side, away from each other, of the two sliding blocks (5);
the leaning plate (3) is parallel to the chair back, the two sliding blocks (5) are symmetrically arranged relative to the middle position of one side of the top of the leaning plate (3), the two sliding blocks (5) slide on the leaning plate (3) along the directions close to and far away from each other, and one ends of the two push rods (6) close to the sliding blocks (5) are obliquely arranged towards the directions away from each other;
connecting rod (7) top is followed vertical direction and is seted up rectangular hole (71) that runs through connecting rod (7), the length direction in rectangular hole (71) is the same with the length direction of connecting rod (7), dead lever (8) are close to two connecting plates (81) that are located connecting rod (7) top and bottom respectively of one end fixedly connected with of connecting rod (7), be provided with spliced pole (82) that pass rectangular hole (71) between two connecting plates (81), the vertical setting of axis direction of spliced pole (82), the both ends difference fixed connection of spliced pole (82) is on two connecting plates (81).
2. The lumbar support structure for sofa chairs of claim 1, wherein: one side, close to the leaning plate (3), of the fixing plate (2) is provided with a yielding groove (21), one side, away from the leaning plate (3), of the yielding groove (21) is provided with a sliding groove (22) formed in the fixing plate (2), the length directions of the sliding groove (22) and the corresponding yielding groove (21) are the same as the sliding direction of the sliding blocks (5), the two sliding blocks (5) are located in the sliding groove (22), the width of each sliding block (5) is equal to that of the corresponding sliding groove (22), and the sliding blocks (5) can slide in the sliding groove (22) along the length direction of the corresponding sliding groove (22);
the contraction spring (9) is positioned in the sliding groove (22).
3. The lumbar support structure applied to a sofa seat of claim 2, wherein: one side that sliding tray (22) deviate from groove (21) of stepping down is provided with guide groove (221) of seting up on fixed plate (2), and the cross-section of guide groove (221) is the arc setting, and one side that sliding block (5) are close to guide groove (221) is seted up a plurality of holding tanks (52) that are the arc setting, is provided with guide pearl (521) in holding tank (52), and guide pearl (521) one side is arranged in holding tank (52) the opposite side is arranged in guide groove (221).
4. The lumbar support structure for sofa chairs of claim 3, wherein: one side, close to the abdicating groove (21), of the sliding groove (22) is provided with two guide grooves (222) formed in the fixing plate (2), the guide grooves (222) are respectively located on two sides of the abdicating groove (21), the length direction of the guide grooves (222) is the same as that of the guide grooves (221), the length direction of the guide grooves (222) is the same as that of the sliding groove (22), and the sections of the guide grooves (222) are arranged in an arc shape;
the bottom of the guide groove (222) is provided with a plurality of accommodating grooves (53) formed in the sliding block (5), the accommodating grooves (53) are arranged in an arc shape, guide beads (531) are arranged in the accommodating grooves (53), and one side of each guide bead (531) is positioned in the accommodating groove (53) while the other side of each guide bead (531) is positioned in the guide groove (222).
5. The lumbar support structure for sofa chairs of claim 1, wherein: the top and the bottom of one end of the push rod (6) close to the sliding block (5) are both provided with mounting plates (51) fixedly connected to the sliding block (5), a fixed shaft (61) penetrating through the push rod (6) is arranged between the two mounting plates (51), the push rod (6) is rotatably connected to the fixed shaft (61), and two ends of the fixed shaft (61) are respectively and fixedly connected to the two mounting plates (51);
the connection mode of the push rod (6) and the depending plate (3), the connection mode of the connecting rod (7) and the sliding block (5), the connection mode of the connecting rod (7) and the maintenance plate (4) and the connection mode of the push rod (6) and the sliding block are the same.
6. The lumbar support structure for sofa chairs of claim 1, wherein: the side, away from the fixed plate (2), of the depending plate (3) is fixedly connected with an arc-shaped plate (10), the arc-shaped plate (10) protrudes towards the direction away from the fixed plate (2), the two sides, connected with the fixed plate (2), of the arc-shaped plate (10) are respectively located at the positions, close to the top and the bottom, of the fixed plate (2), and the two sides of the arc-shaped plate (10) can slide up and down on the fixed plate (2);
the arc plate (10) is an elastic arc plate (10).
7. The lumbar support structure for sofa chairs of claim 6, wherein: according to the one side that back plate (3) deviates from fixed plate (2) seted up vertical setting spout (32), both sides of arc (10) all fixedly connected with spout (32) slider (102) of mutually supporting, the cross section of spout (32) and slider (102) all is the setting of type of protruding font.
8. The lumbar support structure applied to a sofa seat of claim 7, wherein: one side of the backup plate (3) departing from the fixed plate (2) is provided with an elastic cushion block (101), the elastic cushion block (101) is positioned between the arc plate (10) and the backup plate (3), and one side of the elastic cushion block (101) close to the arc plate (10) is mutually attached to the arc plate (10).
9. The lumbar support structure for sofa chairs of claim 1, wherein: the maintenance plate (4) is an elastic maintenance plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910964029.4A CN110742431B (en) | 2019-10-11 | 2019-10-11 | Waist support structure applied to sofa seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910964029.4A CN110742431B (en) | 2019-10-11 | 2019-10-11 | Waist support structure applied to sofa seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110742431A CN110742431A (en) | 2020-02-04 |
| CN110742431B true CN110742431B (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910964029.4A Active CN110742431B (en) | 2019-10-11 | 2019-10-11 | Waist support structure applied to sofa seat |
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| CN111248686B (en) * | 2020-03-11 | 2021-11-05 | 广东逸梦馨家居科技有限公司 | Adjustable mattress based on elastic plate cross connection |
| CN113101031A (en) * | 2021-04-23 | 2021-07-13 | 陶金 | Lumbar vertebra fixing and supporting device for orthopedics department |
| CN114558289A (en) * | 2022-02-09 | 2022-05-31 | 陈晓冰 | Leg pressing equipment with supporting function and supporting method thereof |
| CN116530789A (en) * | 2023-01-16 | 2023-08-04 | 吴军龙 | Ergonomic chair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5558399A (en) * | 1994-09-13 | 1996-09-24 | Serber; Hector | Seat and lumbar motion chair, assembly and method |
| JPH10234511A (en) * | 1997-02-28 | 1998-09-08 | Aisin Seiki Co Ltd | Lumber support device |
| CN205321832U (en) * | 2016-01-20 | 2016-06-22 | 北京奥凯文仪家具有限公司 | Take seat of waist support |
| US10130185B2 (en) * | 2016-02-02 | 2018-11-20 | L&P Property Management Company | Adjustable lumbar support for upholstery furniture |
| CN108652314A (en) * | 2018-05-04 | 2018-10-16 | 安徽企路石工程技术开发有限公司 | Lumbar supports mechanism |
| CN209135877U (en) * | 2018-07-17 | 2019-07-23 | 安吉达林家具有限公司 | A kind of backrest segmented chair |
| CN208646660U (en) * | 2018-07-20 | 2019-03-26 | 合肥品冠科教设备有限公司 | Children's seat lumbar support mechanism and its children's seat |
| CN208957346U (en) * | 2018-08-04 | 2019-06-11 | 顾家家居股份有限公司 | A kind of intelligence expansion sofa |
| CN209135884U (en) * | 2018-11-06 | 2019-07-23 | 深圳市联宏美家家具有限公司 | With armed dining chair |
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