CN215686109U

CN215686109U - Leisure chair

Info

Publication number: CN215686109U
Application number: CN202121141956.5U
Authority: CN
Inventors: 李晨辉; 姚雪其; 姚余杰
Original assignee: Jiaxing Beisite Furniture Manufacturing Co ltd
Current assignee: Jiaxing Beisite Furniture Manufacturing Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-02-01
Anticipated expiration: 2031-05-26

Abstract

The utility model relates to a leisure chair which comprises a seat frame box, a back plate arranged at the top of the seat frame box, supporting legs arranged at four corners of the bottom of the seat frame box, two rectangular openings symmetrically formed in the top of the seat frame box in the front-back direction, handrails arranged at the tops of the rectangular openings, and a driving assembly arranged in the seat frame box and used for driving a side frame box to move, wherein the width of each rectangular opening is enough for the handrail to move on the seat frame box, and the driving assembly comprises a rack arranged on the side frame box, a rotating shaft penetrating through the bottom of the seat frame box, and a driving gear arranged at the top of the rotating shaft and meshed with the two racks. Has the advantages that: the driving component drives the two side boxes to move, so that the width of the two armrests can be adjusted, and the problem that people feel uncomfortable due to extrusion when sitting on the seat because the armrests are fixed on the existing seat is solved.

Description

Leisure chair

Technical Field

The utility model relates to a leisure chair.

Background

The seat is a relatively common furniture among people's daily life, and the essential furniture in people's family, along with the continuous improvement of people's standard of living now, the kind of seat is also more and more, in order to solve tired, people often can directly sit and bend over a table and rest on the chair. However, most of the armrests of the existing chairs are fixed, so that people who are fat can feel uncomfortable when sitting on the chairs due to extrusion, and the comfort level of sitting on the chairs is greatly reduced. Accordingly, there is a need for a leisure chair.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a leisure chair which comprises a seat frame box, a back plate arranged at the top of the seat frame box, supporting legs arranged at four corners of the bottom of the seat frame box, two rectangular openings symmetrically formed in the top of the seat frame box in the front-back direction, handrails arranged at the tops of the rectangular openings, and a driving assembly arranged in the seat frame box and used for driving a side frame box to move, wherein the width of each rectangular opening is enough for the handrail to move on the seat frame box, and the driving assembly comprises a rack arranged on the side frame box, a rotating shaft penetrating through the bottom of the seat frame box, and a driving gear arranged at the top of the rotating shaft and meshed with the two racks.

Furthermore, the rack is arranged towards the central position in the seat frame box, the rack is connected with the bottom in the seat frame box in a sliding mode, a sliding groove is formed in the bottom of the rack, a sliding block connected in the sliding groove in a sliding mode is arranged at the top in the seat frame box, and the longitudinal sections of the sliding groove and the sliding block are trapezoidal.

Furthermore, a limiting spring sleeved on the rotating shaft is arranged on the lower side of the seat frame box, the top of the limiting spring is fixedly connected with the top of the seat frame box, and the bottom of the limiting spring is fixedly connected with the outer side wall of the rotating shaft.

Further, both ends symmetry is equipped with two and runs through the fixed vertical box that sets up in the rectangle open pore about the side case, fixed vertical incasement is equipped with in handrail matched with lift driven assembly, the side incasement is equipped with the lift drive subassembly that is used for driving the motion of lift driven assembly, lift driven assembly including run through set up in the lifter at fixed vertical roof portion, set up the recess of lifter bottom, be located left recess spiro union have with fixed vertical roof portion in the first screw rod of bottom rotation connection, be located the recess spiro union on right side have with fixed vertical roof portion in the second screw rod of bottom rotation connection, the handrail sets up between two adjacent fixed vertical roof portions.

Further, the lifting driving assembly comprises a driven shaft arranged between the two fixed vertical box inner cavities and the side box in a penetrating mode, a first bevel gear arranged at the end part of the driven shaft, a worm wheel fixedly sleeved at the middle section of the driven shaft, and a worm arranged on the outer side wall of the seat frame box in a penetrating mode and matched with the worm wheel, wherein the first screw and the second screw are fixedly sleeved with a second bevel gear meshed with the first bevel gear.

Further, the fixed mounting that is used for placing the old man's walking stick that is equipped with in the seat frame case outside, the mounting is including running through the spliced eye of seting up at the mounting top, set up a plurality of mounting grooves on the spliced eye inside wall with annular array form, sliding connection in the concave block of mounting groove, rotate the pulley of connecting in the concave block, concave block and mounting groove inside wall pass through extrusion spring and are connected.

According to the utility model, through the matching of the armrests, the side boxes and the driving component, the driving component drives the two side boxes to move, so that the width of the two armrests is adjusted, and the problem that people feel uncomfortable when sitting on the seat due to extrusion because the armrests are fixed on the existing seat is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the inner portion of FIG. 1 in partial longitudinal section;

FIG. 3 is a top view of a pedestal box according to an embodiment of the present invention;

FIG. 4 is a schematic view of a partial cross-sectional view of the interior of the pedestal box according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 taken in longitudinal section at A;

fig. 6 is a longitudinal sectional view schematically illustrating a fixing member according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides a leisure seat, refer to fig. 1-6, it includes seat case 18, set up the backplate 14 at seat case 18 top, set up in landing leg 8 at four bights in seat case 18 bottom, still include two rectangle trompils 20 that the front and back symmetry was seted up at seat case 18 top, set up in handrail 19 at rectangle trompil 20 top, set up in seat case 18 and be used for driving the drive assembly of side case 17 motion, the width of rectangle trompil 20 leaves enough surplus for handrail 19 moves on seat case 18, drive assembly is including setting up rack 21 on side case 17, run through the pivot 6 that sets up in seat case 18 bottom, set up in pivot 6 top and simultaneously with two rack 21 intermeshing's drive gear 22. When the width between the two handrails 19 is adjusted, the rotating shaft 6 is firstly rotated, the rotating shaft 6 drives the driving gear 22 to rotate, the driving gear 22 is meshed with the two racks 21, then the driving gear 22 drives the two racks 21 to move oppositely, the racks 21 drive the side box 17 to move, and the side box 17 drives the handrails 19 to move, so that the width between the two handrails 19 is adjusted. Through the cooperation of handrail 19, side case 17 and drive assembly, make drive assembly drive two side cases 17 and remove to realize the regulation to two handrail 19 width, solved because of on the current seat handrail 19 is fixed and feel uncomfortable problem because of receiving the extrusion when the people sits on the seat.

The rack 21 is arranged towards the central position in the seat frame box 18, the rack 21 is in sliding connection with the bottom in the seat frame box 18, the bottom of the rack 21 is provided with a sliding groove 23, the top in the seat frame box 18 is provided with a sliding block 24 in sliding connection with the sliding groove 23, and the rack 21 is guided by the matching of the sliding groove 23 and the sliding block 24, so that the rack 21 can more stably drive the side box 17 to move in the seat frame box 18. The longitudinal sections of the sliding groove 23 and the sliding block 24 are trapezoidal, so that the rack 21 is limited, and the rack 21 is prevented from jumping upwards during movement.

The utility model discloses a spacing spring 7 of pivot 6 is located to the cover to seat frame case 18 downside, make spacing spring 7's top and seat frame case 18 top fixed connection, make spacing spring 7 bottom and pivot 6 lateral wall fixed connection, when pivot 6 does not use, pivot 6 is in the state of hanging, the drive gear 22 and the rack 21 in the pivot 6 do not are in the intermeshing state this moment, make pivot 6 be in the state of hanging through spacing spring 7, when using pivot 6, only need upwards drag pivot 6, spacing spring 7 is compressed, until drive gear 22 and rack 21 intermeshing once more, through setting up spacing spring 7, avoid changing the distance between two handrails 19 because of touch pivot 6 carelessly when not using pivot 6.

Both ends symmetry is equipped with two and runs through the fixed vertical box 3 that sets up in rectangle trompil 20 about side case 17, be equipped with in fixed vertical box 3 and go up and down in handrail 19 matched with driven subassembly, side incasement 17 is equipped with the lift drive subassembly that is used for driving the motion of the driven subassembly that goes up and down, the driven subassembly that goes up and down is including running through the lifter 4 that sets up in fixed vertical box 3 top, set up in the recess 9 of lifter 4 bottom, it has the first screw rod 10 of being connected with fixed vertical box 3 bottom rotation to be located left recess 9 spiro union, it has the second screw rod 11 of being connected with fixed vertical box 3 bottom rotation to be located the recess 9 spiro union on right side, make handrail 19 set up between two adjacent fixed vertical box 3 tops, first screw rod 10 is forward threaded rod, second screw rod 11 is reverse threaded rod. Through setting up the driven subassembly of lift, play middle transmission's effect to lift handrail 19.

The lifting driving assembly comprises a driven shaft 12, a first bevel gear 15, a worm wheel 13 and a worm 5, wherein the driven shaft 12 is arranged between the inner cavities of the two fixed vertical boxes 3 and the side box 17 in a penetrating mode, the first bevel gear 15 is arranged at the end portion of the driven shaft 12, the worm wheel 13 is fixedly arranged in the middle section of the driven shaft 12 in a penetrating mode, the worm 5 is arranged on the outer side wall of the seat box 18 in a penetrating mode and is matched with the worm wheel 13, and the first screw rod 10 and the second screw rod 11 are fixedly sleeved with a second bevel gear 16 meshed with the first bevel gear 15. When the handrail 19 is lifted, the worm 5 is rotated to enable the worm 5 to drive the worm wheel 13 to rotate, the worm wheel 13 drives the driven shaft 12 to rotate, the driven shaft 12 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the second bevel gear 16 to rotate, the second bevel gear 16, the first bevel gear 15 positioned on the left side drives the first screw 10 to rotate, the second bevel gear 16 positioned on the right side drives the second screw 11 to rotate, the first screw 10 and the second screw 11 both drive the lifting rod 4 to lift, and the lifting rod 4 drives the handrail 19 to lift, so that the handrail 19 is lifted. Through the cooperation of the lifting driven component and the lifting driving component, the lifting operation of the handrail 19 is convenient to realize, and the height of the handrail 19 is convenient to adjust according to the requirements of different people.

The fixed mounting 2 that is used for placing the old man's walking stick that is equipped with in the seat frame case 18 outside, mounting 2 is including running through the spliced eye 25 of seting up at mounting 2 top, set up a plurality of mounting grooves 26 on the spliced eye 25 inside wall with annular array form, sliding connection is in concave piece 28 in mounting groove 26, rotate the pulley 29 of connecting in concave piece 28, make concave piece 28 and the mounting groove 26 inside wall pass through extrusion spring 27 and be connected. When the old man who uses the walking stick sits on the seat, make the walking stick directly peg graft in spliced eye 25 can, utilize the elasticity of extrusion spring 27 to be convenient for extrude the walking stick of different diameters, improved application scope. By arranging the fixing part 2, the problem that the walking stick is easy to tip over on the ground because no fixed object exists when the old people put the walking stick on the chair is solved.

The back plate 14, the seat frame box 18 and the armrests 19 are all provided with soft bags 1, so that the comfort of sitting on the seat is improved.

The working principle is as follows: when the width between the two handrails 19 is adjusted, the rotating shaft 6 is firstly rotated, the rotating shaft 6 drives the driving gear 22 to rotate, the driving gear 22 is meshed with the two racks 21, then the driving gear 22 drives the two racks 21 to move oppositely, the racks 21 drive the side box 17 to move, and the side box 17 drives the handrails 19 to move, so that the width between the two handrails 19 is adjusted. When the rotating shaft 6 is not used, the rotating shaft 6 is in a hanging state, the driving gear 22 and the rack 21 on the rotating shaft 6 are not in an intermeshing state, the rotating shaft 6 is in the hanging state through the limiting spring 7, when the rotating shaft 6 is used, the rotating shaft 6 only needs to be pulled upwards, the limiting spring 7 is compressed until the driving gear 22 and the rack 21 are intermeshed again, and the distance between the two handrails 19 is prevented from being changed due to careless touch on the rotating shaft 6 when the rotating shaft 6 is not used by arranging the limiting spring 7. When the handrail 19 is lifted, the worm 5 is rotated to enable the worm 5 to drive the worm wheel 13 to rotate, the worm wheel 13 drives the driven shaft 12 to rotate, the driven shaft 12 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the second bevel gear 16 to rotate, the second bevel gear 16, the first bevel gear 15 positioned on the left side drives the first screw 10 to rotate, the second bevel gear 16 positioned on the right side drives the second screw 11 to rotate, the first screw 10 and the second screw 11 both drive the lifting rod 4 to lift, and the lifting rod 4 drives the handrail 19 to lift, so that the handrail 19 is lifted. Through the cooperation of the lifting driven component and the lifting driving component, the lifting operation of the handrail 19 is convenient to realize, and the height of the handrail 19 is convenient to adjust according to the requirements of different people.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a leisure chair, includes the seat frame case, sets up in the backplate at seat frame case top, sets up in the landing leg in four bights of seat frame case bottom, its characterized in that: the drive assembly is characterized by further comprising two rectangular holes symmetrically arranged at the top of the seat frame box in the front and back direction, handrails arranged at the top of the rectangular holes, and a drive assembly arranged in the seat frame box and used for driving the side frame box to move, wherein the width of each rectangular hole is enough allowance for the handrail to move on the seat frame box, and the drive assembly comprises a rack arranged on the side frame box, a rotating shaft penetrating through the bottom of the seat frame box, and a drive gear arranged at the top of the rotating shaft and meshed with the two racks.

2. A leisure chair according to claim 1, characterized in that: the rack is arranged towards the center of the seat frame box, the rack is connected with the bottom of the seat frame box in a sliding mode, a sliding groove is formed in the bottom of the rack, a sliding block connected into the sliding groove in a sliding mode is arranged at the top of the seat frame box, and the sliding groove and the longitudinal section of the sliding block are trapezoidal.

3. A leisure chair according to claim 1, characterized in that: the seat frame box downside is equipped with the cover and locates the epaxial spacing spring of pivot, spacing spring's top and seat frame box top fixed connection, spacing spring bottom and pivot lateral wall fixed connection.

4. A leisure chair according to claim 1, characterized in that: the side case left and right ends symmetry is equipped with two and runs through the fixed vertical box that sets up in the rectangle trompil, fixed vertical box is equipped with in handrail matched with lift driven assembly, the side incasement is equipped with the lift drive subassembly that is used for driving the motion of lift driven assembly, lift driven assembly including run through set up in the lifter at fixed vertical box top, set up the recess in the lifter bottom, be located left recess spiro union have with fixed vertical box in the first screw rod of bottom rotation connection, be located the recess on right side spiro union have with fixed vertical box in the second screw rod of bottom rotation connection, the handrail sets up between two adjacent fixed vertical box tops.

5. A leisure chair according to claim 4, characterized in that: the lifting driving assembly comprises a driven shaft, a first bevel gear, a worm wheel and a worm, wherein the driven shaft is arranged between the inner cavities of the two fixed vertical boxes and the side box in a penetrating mode, the first bevel gear is arranged at the end part of the driven shaft, the worm wheel is fixedly arranged in the middle section of the driven shaft in a penetrating mode, the worm is arranged on the outer side wall of the seat frame box in a penetrating mode and matched with the worm wheel, and a second bevel gear meshed with the first bevel gear is fixedly sleeved on the first screw and the second screw.

6. A leisure chair according to claim 1, characterized in that: the fixed mounting that is used for placing the old man's walking stick that is equipped with in the seat frame case outside, the mounting is including running through the spliced eye of seting up at the mounting top, set up a plurality of mounting grooves, the concave block of sliding connection in the mounting groove on the spliced eye inside wall, rotate the pulley of connecting in the concave block with the annular array form, concave block and mounting groove inside wall pass through extrusion spring coupling.