CN210043555U

CN210043555U - Chair with linkage chassis device

Info

Publication number: CN210043555U
Application number: CN201920689579.5U
Authority: CN
Inventors: 管伟东
Original assignee: ZHEJIANG HAOGUO FURNITURE Co Ltd
Current assignee: ZHEJIANG HAOGUO FURNITURE Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-02-11
Anticipated expiration: 2029-05-15

Abstract

The utility model belongs to the technical field of the chair, especially, be a chair of linkage chassis device, comprises a seat board, seted up two first through-holes on the bedplate, same first rotation pole is installed to two first through-hole internal rotations, fixed mounting has the back on the first rotation pole, the bottom fixed mounting of bedplate has two fixed columns, and the bottom fixed mounting of two fixed columns has same bottom plate, and one side fixed mounting that two fixed columns are close to each other has same splint, the bottom of splint and the top fixed connection of bottom plate, first recess has all been seted up on the top of splint and the bottom fixed connection of bedplate on two fixed columns, fixed mounting has first slide bar on the both sides inner wall of first recess, sliding sleeve is equipped with first slider on the first slide bar. The utility model is simple in operation, the linkage is stronger, and it is comparatively convenient to use, and great improvement the travelling comfort that people had a rest.

Description

Chair with linkage chassis device

Technical Field

The utility model relates to a chair technical field especially relates to a chair of linkage chassis device.

Background

The chair is a daily life furniture, a seat with a backrest, armrests and a cushion, is used for sitting on the ground in ancient times, has no chair in the past, is recorded by documents and is originally seen in the Tang dynasty, the image of the chair is transferred to the Hu bed in the north when tracing to Hanwei, the requirement of people on the comfort of the chair is higher and higher along with the improvement of the living standard of people, and the patent document with the publication number of CN204930963U discloses a chair after retrieval, the technical proposal is that the chair comprises a seat board, the seat board is provided with a through hole, the through hole is detachably and fixedly connected with a net bag, the net bag is made of elastic material, the hole wall of the through hole is provided with an annular bulge, the net bag is fixedly connected with a circular ring, the ring is installed in annular bulge department, and this utility model's a chair heat dissipation ventilation effect is good to it is more comfortable to sit on it.

However, in the prior art, when people sit down for rest, legs and feet cannot be comfortably placed on the chair, so that people cannot get good relaxation and rest, and the linkage between the structures of the chair is low, so that the chair is inconvenient to use, and therefore, the chair with the linkage chassis device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a chair with a linkage chassis device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a chair with a linkage base plate device comprises a seat plate, wherein two first through holes are formed in the seat plate, the same first rotating rod is rotatably mounted in the two first through holes, a backrest is fixedly mounted on the first rotating rod, two fixing columns are fixedly mounted at the bottom of the seat plate, the same base plate is fixedly mounted at the bottoms of the two fixing columns, the same clamping plate is fixedly mounted on one side, close to each other, of the two fixing columns, the bottom of the clamping plate is fixedly connected with the top of the base plate, the top of the clamping plate is fixedly connected with the bottom of the seat plate, first grooves are formed in the two fixing columns, first sliding rods are fixedly mounted on the inner walls of the two sides of each first groove, first sliding blocks are sleeved on the first sliding rods in a sliding mode and are connected with the inner walls of the first grooves in a sliding mode, racks are fixedly mounted on the tops of the first sliding blocks and are, the inner walls of two sides of the first groove are rotatably provided with the same second rotating rod, the second rotating rod is fixedly provided with a support arm, the top end of the support arm extends out of the first groove, the support arm is connected with the inner wall of the first groove in a sliding manner, a handrail is hinged between the part of the two support arms extending out of the first groove and the backrest, the bottom end of the support arm is fixedly provided with a half gear, the half gear is meshed with a rack, the inner wall of one side, close to each other, of the two first grooves is provided with a first sliding hole, one side, close to each other, of the two first sliding blocks is fixedly provided with a second sliding rod, the two second sliding rods correspond to each other, a footrest is arranged between the two fixed columns, the footrest is connected with the seat plate, the bottom plate and the fixed columns in a sliding manner, two sides of the footrest are provided with first sliding grooves, one ends, close to each other, the second sliding rod is connected with the sliding hole and the inner wall of the first sliding groove in a sliding manner, one side, close to the clamping plate, of the footrest is provided with a second sliding hole, a third sliding rod is arranged in the second sliding hole, one end of the third sliding rod extends out of the second sliding hole and is fixedly connected with the clamping plate, the third sliding rod is connected with the inner wall of the second sliding hole in a sliding manner, a first spring is sleeved on the third sliding rod in a sliding manner, one end of the first spring is fixedly connected with the clamping plate, the other end of the first spring is fixedly connected with the footrest, second grooves are respectively formed in the inner walls of the two sides of the second sliding hole, clamping blocks are respectively and slidably mounted in the two second grooves, one end of each clamping block extends out of the second groove and is close to the third sliding rod, one end, far away from the third sliding rod, of each clamping block is welded with a second spring, and the other end of each second spring is, an elliptical clamping block is welded at one end, extending into the second sliding hole, of the third sliding rod, the elliptical clamping block is clamped with the two clamping blocks, and the elliptical clamping block is connected with the inner wall of the second sliding hole in a sliding mode.

Preferably, a second sliding groove is formed in the inner wall of one side of the second groove, a second sliding block is slidably mounted in the second sliding groove, and one side of the second sliding block extends out of the second sliding groove and is fixedly connected with the clamping block.

Preferably, a second through hole is formed in the first sliding block, and the second through hole is connected with the first sliding rod in a sliding mode.

Preferably, a cushion is adhered to the top of the seat plate, and a rotary pulley chassis is fixedly mounted at the bottom of the bottom plate.

Preferably, the first rotating rod is rotatably sleeved with two torsion springs, one ends of the two torsion springs, which are close to each other, are fixedly connected with the backrest, and the other ends of the two torsion springs, which are far away from each other, are fixedly connected with the seat plate.

Preferably, the range of the stiffness coefficient of the first spring is from N/m to N/m, the range of the stiffness coefficient of the second spring is from 10N/m to 15N/m, and the range of the stiffness coefficient of the torsion spring is from 85N/m to 100N/m.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with the seat board, the backrest, the armrests, the supporting arms and the second rotating rod, when the device is used, the seat is firstly placed on the seat cushion on the seat board, then the backrest leans against the backrest backwards, at the moment, the backrest is pushed by the back to rotate backwards by taking the first rotating rod as the circle center, the torsion spring is driven to rotate while rotating, the supporting arms are driven by the armrests to rotate by taking the second rotating rod as the circle center, the elastic buffering of the backrest is realized, and the comfort of a user is improved;

when the chair is used, the chair firstly sits on a seat cushion on the chair plate and then leans back to the backrest, at the moment, the backrest bears the thrust of the back and rotates backwards by taking the first rotating rod as the center of a circle, the backrest drives a torsion spring to rotate while rotating, the supporting arm drives the supporting arm to rotate by taking the second rotating rod as the center of a circle, the supporting arm drives the half gear to rotate, the half gear drives the first sliding block to slide on the first sliding rod through the rack, the first sliding block drives the second sliding rod to slide, and the second sliding rod extrudes the inner wall of one side of the first sliding groove through sliding, the whole footrest slides towards the surface far away from the clamping plate, at the moment, the footrest is provided with a movable clamping block and is extruded with an oval clamping block, the clamping block is extruded by the oval clamping block to start extruding a second spring and slide towards a second groove, meanwhile, the clamping block also drives the second sliding block to slide in a second sliding groove until the oval clamping block is separated from the clamping of the clamping block, at the moment, the first spring starts to push the footrest to slide outwards from the base plate until the whole second sliding rod is in contact with the inner wall of the other end of the first sliding groove to limit the footrest, and at the moment, the footrest completely extends out of the base plate and can be placed on the footrest, so that a user can better relax and rest;

the utility model is simple in operation, the linkage is stronger, and it is comparatively convenient to use, and great improvement the travelling comfort that people had a rest.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic top sectional view of the present invention;

fig. 4 is an assembly view of the seat plate, the backrest, the first through-hole, the first rotating lever and the torsion spring.

In the figure: 1. a seat plate; 2. a backrest; 3. fixing a column; 4. a base plate; 5. a splint; 6. a first groove; 7. a first slide bar; 8. a first slider; 9. a rack; 10. a second rotating lever; 11. A support arm; 12. a handrail; 13. a half gear; 14. a first slide hole; 15. a second slide bar; 16. A footrest; 17. a first chute; 18. a second slide hole; 19. a third slide bar; 20. a first spring; 21. a second groove; 22. a clamping block; 23. a second spring; 24. an oval fixture block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a chair with a linkage base plate device comprises a seat plate 1, wherein two first through holes are formed in the seat plate 1, the same first rotating rod is rotatably mounted in the two first through holes, a backrest 2 is fixedly mounted on the first rotating rod, two fixing columns 3 are fixedly mounted at the bottom of the seat plate 1, the same base plate 4 is fixedly mounted at the bottoms of the two fixing columns 3, the same clamping plate 5 is fixedly mounted at one side, close to each other, of the two fixing columns 3, the bottom of the clamping plate 5 is fixedly connected with the top of the base plate 4, the top of the clamping plate 5 is fixedly connected with the bottom of the seat plate 1, first grooves 6 are formed in the two fixing columns 3, first sliding rods 7 are fixedly mounted on the inner walls of the two sides of each first groove 6, a first sliding block 8 is sleeved on each first sliding rod 7 in a sliding mode, the first sliding block 8 is slidably connected with the inner wall of each, the rack 9 is connected with the inner wall of the first groove 6 in a sliding way, the inner walls of two sides of the first groove 6 are rotatably provided with a same second rotating rod 10, the second rotating rod 10 is fixedly provided with a supporting arm 11, the top end of the supporting arm 11 extends out of the first groove 6, the supporting arm 11 is connected with the inner wall of the first groove 6 in a sliding way, a same handrail 12 is hinged between the part of the two supporting arms 11 extending out of the first groove 6 and the backrest 2, the bottom end of the supporting arm 11 is fixedly provided with a half gear 13, the half gear 13 is meshed with the rack 9, the inner walls of the two adjacent sides of the two first grooves 6 are respectively provided with a first slide hole 14, the adjacent sides of the two first sliders 8 are respectively fixedly provided with a second slide bar 15, the two second slide bars 15 correspond to each other, a footrest 16 is arranged between the two fixed columns 3, the footrest 16 is connected with the, two sides of the footrest 16 are provided with first sliding grooves 17, the ends of the two second sliding rods 15 close to each other penetrate through the first sliding holes 14 and extend into the first sliding grooves 17, the second sliding rods 15 are connected with the sliding holes 14 and the inner walls of the first sliding grooves 17 in a sliding manner, one side of the footrest 16 close to the clamping plate 5 is provided with second sliding holes 18, third sliding rods 19 are arranged in the second sliding holes 18, one ends of the third sliding rods 19 extend out of the second sliding holes 18 and are fixedly connected with the clamping plate 5, the third sliding rods 19 are connected with the inner walls of the second sliding holes 18 in a sliding manner, first springs 20 are slidably sleeved on the third sliding rods 19, one ends of the first springs 20 are fixedly connected with the clamping plate 5, the other ends of the first springs 20 are fixedly connected with the footrest 16, second grooves 21 are respectively arranged on the inner walls of the two sides of the second sliding holes 18, clamping blocks 22 are slidably arranged in the two second grooves 21, one ends of the clamping blocks 22 extend out of the second grooves 21 and are close to the third, a second spring 23 is welded at one end, far away from the third sliding rod 19, of the fixture block 22, the other end of the second spring 23 is welded with the inner wall of the second groove 21, an oval fixture block 24 is welded at one end, extending into the second sliding hole 18, of the third sliding rod 19, the oval fixture block 24 is clamped with the two fixture blocks 22, and the oval fixture block 24 is connected with the inner wall of the second sliding hole 18 in a sliding mode;

a second sliding groove is arranged on the inner wall of one side of the second groove 21, a second sliding block is arranged in the second sliding groove in a sliding manner, one side of the second sliding block extends out of the second sliding groove and is fixedly connected with a clamping block 22, a second through hole is arranged on the first sliding block 8 and is slidably connected with the first sliding rod 7, a cushion is adhered to the top of the seat plate 1, a rotating pulley chassis is fixedly arranged at the bottom of the bottom plate 4, two torsion springs are rotatably sleeved on the first rotating rod, the ends, close to each other, of the two torsion springs are fixedly connected with the backrest 2, the ends, far away from each other, of the two torsion springs are fixedly connected with the seat plate 1, the range of the stiffness coefficient of the first spring 20 is 80N/m to 90N/m, the range of the stiffness coefficient of the second spring 23 is 10N/m to 15N/m, the range of the stiffness coefficient of the torsion springs is 85N/, through the seat board 1, the backrest 2, the armrest 12, the supporting arm 11 and the second rotating rod 10 are mutually matched, in use, the user sits on the seat cushion on the seat board 1 firstly, then leans against the backrest 2 backwards, at the moment, the backrest 2 rotates backwards by taking the first rotating rod as a circle center under the thrust of the back, the torsion spring is driven to rotate while rotating, the supporting arm 11 is driven to rotate by the armrest 12 by taking the second rotating rod 10 as a circle center, the elastic buffering of the backrest 2 is realized, and the comfort of the user is improved The second groove 21, the clamping block 22, the second spring 23 and the oval clamping block 24 are matched, when the chair is used, the chair is firstly placed on a cushion on the chair plate 1 and then is leaned against the backrest 2 backwards, at the moment, the backrest 2 rotates backwards by taking the first rotating rod as a circle center under the thrust of the back, the torsion spring is driven to rotate while rotating, the support arm 11 is driven to rotate by taking the second rotating rod 10 as a circle center through the handrail 12, the support arm 11 drives the half gear 13 to rotate, the half gear 13 drives the first sliding block 8 to slide on the first sliding rod 7 through the rack 9, the first sliding block 8 drives the second sliding rod 15 to slide, the second sliding rod 15 extrudes the inner wall of one side of the first sliding groove 17 through sliding, so that the whole footrest 16 slides towards the surface far away from the clamping plate 5, at the moment, the footrest 16 drives the clamping block 22 to move and extrude the oval clamping block 24, the clamping block 22 begins to extrude the second spring 23 and slide towards the, simultaneously fixture block 22 also drives the second slider and slides in the second spout, breaks away from fixture block 22's block until oval fixture block 24, and at this moment, first spring 20 begins to promote footrest 16 and slides outward to bedplate 1, contacts until whole second slide bar 15 and first spout 17's other end inner wall, and is spacing to footrest 16, and outside footrest 16 has stretched out bedplate 1 completely this moment, can put into footrest 16 with the foot on for the user obtains better relaxation and rest, the utility model is simple in operation, linkage is stronger, and it is comparatively convenient to use, and great improvement the travelling comfort that people had a rest.

The working principle is as follows: when the chair is used, the chair is firstly seated on the seat cushion on the seat plate 1 and then leans against the backrest 2 backwards, at the moment, the backrest 2 rotates backwards by taking the first rotating rod as a circle center under the thrust of the back, the torsion spring is driven to rotate while rotating, the armrest 12 drives the support arm 11 to rotate by taking the second rotating rod 10 as a circle center, the support arm 11 drives the half gear 13 to rotate, the half gear 13 drives the first slider 8 to slide on the first slide rod 7 through the rack 9, the first slider 8 drives the second slide rod 15 to slide, the second slide rod 15 extrudes one side inner wall of the first chute 17 through sliding, so that the whole footrest 16 slides to one side far away from the clamping plate 5, at the moment, the footrest 16 drives the clamping block 22 to move and extrude the oval clamping block 24, the clamping block 22 is extruded by the oval clamping block 24 to extrude the second spring 23 and slide to the second groove 21, and the clamping block 22 also drives the second slider to slide in the second chute, until the oval-shaped fixture block 24 is disengaged from the fixture block 22, at this time, the first spring 20 starts to push the footrest 16 to slide outward toward the seat plate 1 until the whole second slide bar 15 contacts with the inner wall of the other end of the first slide groove 17, the footrest 16 is limited, at the moment, the footrest 16 extends out of the seat plate 1 completely, feet can be put on the footrest 16 for rest, when the footrest 16 is closed after leaving the seat, the footrest 16 is directly pushed manually, the footrest 16 slides toward the bottom of the seat plate 1 by pressing the first spring 20, when the clamping block 22 is in contact with the oval clamping block 24, the oval clamping block 24 extrudes the clamping block 22, the clamping block 22 slides into the second groove 21 by extruding the second spring 23, and at this time, the clamping block 22 drives the second sliding block to slide in the second sliding groove until the oval clamping block 24 and the clamping block 22 are clamped, and the whole footrest 16 is fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A chair with linkage chassis device, comprising a seat board (1), characterized in that: the seat plate (1) is provided with two first through holes, the same first rotating rod is rotatably mounted in the two first through holes, a backrest (2) is fixedly mounted on the first rotating rod, two fixing columns (3) are fixedly mounted at the bottom of the seat plate (1), the same bottom plate (4) is fixedly mounted at the bottoms of the two fixing columns (3), the same clamping plate (5) is fixedly mounted at one side, close to each other, of the two fixing columns (3), the bottom of the clamping plate (5) is fixedly connected with the top of the bottom plate (4), the top of the clamping plate (5) is fixedly connected with the bottom of the seat plate (1), first grooves (6) are formed in the two fixing columns (3), first sliding rods (7) are fixedly mounted on the inner walls of the two sides of each first groove (6), first sliding blocks (8) are slidably connected with the inner walls of the first grooves (6), the top fixed mounting of first slider (8) has rack (9), the inner wall sliding connection of rack (9) and first recess (6), rotate on the both sides inner wall of first recess (6) and install same second dwang (10), fixed mounting has support arm (11) on second dwang (10), outside the top of support arm (11) extended first recess (6), support arm (11) and the inner wall sliding connection of first recess (6), it has same handrail (12) to articulate between the part that two support arms (11) extend outside first recess (6) and back (2), the bottom fixed mounting of support arm (11) has half gear (13), half gear (13) and rack (9) mesh mutually, first draw-hole (14) have all been seted up on the one side inner wall that two first recesses (6) are close to each other, one side, close to each other, of each of the two first sliding blocks (8) is fixedly provided with a second sliding rod (15), the two second sliding rods (15) correspond to each other, a footrest (16) is arranged between the two fixing columns (3), the footrest (16) is in sliding connection with the seat plate (1), the bottom plate (4) and the fixing columns (3), two sides of the footrest (16) are provided with first sliding chutes (17), one ends, close to each other, of the two second sliding rods (15) penetrate through the first sliding holes (14) and extend into the first sliding chutes (17), the second sliding rods (15) are in sliding connection with the sliding holes (14) and the inner walls of the first sliding chutes (17), one side, close to the clamping plate (5), of the footrest (16) is provided with second sliding holes (18), third sliding rods (19) are arranged in the second sliding holes (18), one ends of the third sliding rods (19) extend out of the second sliding holes (18) and are fixedly connected with the clamping plate (5), the inner wall sliding connection of third slide bar (19) and second slide opening (18), sliding sleeve is equipped with first spring (20) on third slide bar (19), the one end and splint (5) fixed connection of first spring (20), the other end and footrest (16) fixed connection of first spring (20), second recess (21) have all been seted up on the both sides inner wall of second slide opening (18), equal slidable mounting has fixture block (22) in two second recesses (21), the one end of fixture block (22) extends to outside second recess (21) and is close to third slide bar (19), the one end welding that third slide bar (19) was kept away from in fixture block (22) has second spring (23), the other end and the inner wall of second recess (21) of second spring (23) weld mutually, the welding of third slide bar (19) has oval fixture block (24) to one of second slide opening (18) in extending to, the oval fixture blocks (24) are clamped with the two fixture blocks (22), and the oval fixture blocks (24) are connected with the inner wall of the second sliding hole (18) in a sliding mode.

2. A chair with linkage as claimed in claim 1, wherein: a second sliding groove is formed in the inner wall of one side of the second groove (21), a second sliding block is arranged in the second sliding groove in a sliding mode, and one side of the second sliding block extends to the outside of the second sliding groove and is fixedly connected with the clamping block (22).

3. A chair with linkage as claimed in claim 1, wherein: and a second through hole is formed in the first sliding block (8), and the second through hole is connected with the first sliding rod (7) in a sliding manner.

4. A chair with linkage as claimed in claim 1, wherein: the top of the seat plate (1) is pasted with a cushion, and the bottom of the bottom plate (4) is fixedly provided with a rotary pulley chassis.

5. A chair with linkage as claimed in claim 1, wherein: the first rotating rod is rotatably sleeved with two torsion springs, one ends of the two torsion springs, which are close to each other, are fixedly connected with the backrest (2), and the other ends of the two torsion springs, which are far away from each other, are fixedly connected with the seat plate (1).

6. A chair with linkage base unit according to claim 5, wherein: the range of the stiffness coefficient of the first spring (20) is 80N/m to 90N/m, the range of the stiffness coefficient of the second spring (23) is 10N/m to 15N/m, and the range of the stiffness coefficient of the torsion spring is 85N/m to 100N/m.