CN209463688U

CN209463688U - A kind of height-adjustable sofa

Info

Publication number: CN209463688U
Application number: CN201822142225.7U
Authority: CN
Inventors: 乔印军
Original assignee: Beijing Non Furniture Co Ltd
Current assignee: Beijing Non Furniture Co Ltd
Priority date: 2018-12-19
Filing date: 2018-12-19
Publication date: 2019-10-08
Anticipated expiration: 2028-12-19

Abstract

The utility model relates to a kind of height-adjustable sofas, it includes seat board, the lower part of the seat board is provided with support device, support device is mounted on the two sides of seat board, support device includes driving assembly and two screw rods, supporting block is fixedly installed on seat board, pilot hole is offered in supporting block, screw slide is connected in pilot hole, the axis of screw rod and ground inclination are arranged, the opposite splayed and splay larger open of being formed of the axis of two screw rods is backwards to seat board, recessing groove is offered in supporting block, regulating wheel is provided in recessing groove, regulating wheel is threaded on screw rod；Driving assembly is connect with regulating wheel.The utility model, which has the effect of facilitating, adjusts seat board height.

Description

A kind of height-adjustable sofa

Technical field

The utility model relates to the technical fields of sofa, more particularly, to a kind of height-adjustable sofa.

Background technique

Sofa is a kind of equipped with upholstered chairs, belongs to one kind of furniture, since sofa use is compared in people's lives It is comfortable, thus using than wide in modern life.

Sofa includes seat board and backrest, and seat board is horizontal positioned, and backrest and the L-shaped setting of seat board, backrest are fixed on seat board Upper surface side, personnel convenient to use are on being sitting in seat board and lean against and rest on backrest, due in most cases, user The leg of member can be placed on the ground, and for the height of user of service difference, the leg the degree of bending being sitting on sofa is different, thus User of service sit it is of long duration after, leg can generate uncomfortable.

But the height of existing sofa upper base plate is fixed, when general user of service needs padded, it usually needs take multiple Cushion pad is in the upper surface of seat board, to make troubles to user of service.

Utility model content

The purpose of the utility model is to provide a kind of height-adjustable sofas, have the effect for facilitating and adjusting seat board height Fruit.

The foregoing invention purpose of the utility model has the technical scheme that

A kind of height-adjustable sofa, including seat board, the lower part of the seat board are provided with support device, support device installation In the two sides of seat board, support device includes driving assembly and two screw rods, and supporting block is fixedly installed on seat board, is opened in supporting block Equipped with pilot hole, screw slide is connected in pilot hole, and the axis of screw rod and ground inclination are arranged, and the axis of two screw rods is opposite It forms splayed and splay larger open offers recessing groove on seat board, supporting block, adjusting is provided in recessing groove Wheel, regulating wheel are threaded on screw rod；Driving assembly is connect with regulating wheel.

By using above-mentioned technical proposal, in use, driving assembly driving regulating wheel rotation, regulating wheel and screw flight connect It connecing, when regulating wheel rotates, screw rod is slidably connected with pilot hole, so that screw rod is moved along the length direction of pilot hole, screw rod Two axial lines between formation splayed, and splay larger open is towards ground, thus keep screw rod opposite with supporting block to It down or moves upwards, and higher to the stability of strutting system of seat board after movement, prevents from tilting, for along pilot hole length direction Mobile screw rod can be such that the height of seat board is adjusted.

The utility model is further arranged to: the angle between the screw rod and ground is 45 degree.

By using above-mentioned technical proposal, when the angle between screw rod and ground is 45 degree, screw rod is to seat board vertical direction With being equidistant for horizontal motion, so that the stability and height adjustment capability to seat board are average.

The utility model is further arranged to: the driving component includes driving wheel, on the side wall of driving wheel and regulating wheel The teeth of opposite engagement are offered, driving wheel revolving support is on seat board.

By using above-mentioned technical proposal, the opposite teeth engaged are offered on driving wheel and the side wall of regulating wheel, thus When driving wheel rotates, driving wheel can be rotated with regulating wheel, so that screw rod be made to be adjusted relative to supporting block.

The utility model is further arranged to: the driving component includes shaft one and shaft two, and shaft one is coaxially fixed On the drive wheel, shaft two is horizontally disposed, and shaft two-revolution is supported on seat board, is connected between shaft two and shaft one universal Section, the both ends of universal joint are coaxially fixed in shaft one and shaft two respectively.

By using above-mentioned technical proposal, on the fixed driving wheel of shaft one, it is provided between shaft two and shaft one universal Section, there are two shafts one for the connection simultaneously of the both ends of shaft two, and shaft two is horizontally disposed, when shaft two rotates, can drive and turn Axis one rotates simultaneously, and the height of lifting is equal.

The utility model is further arranged to: being coaxially fixedly installed driven gear in the shaft two, is fixed on seat board It is arranged in driving motor, the output end of driving motor is coaxially fixedly installed driving gear, and driving gear is engaged with driven gear.

By using above-mentioned technical proposal, when driving motor is rotated with driving gear, driving gear is nibbled with driven gear It closing, driven gear is coaxially fixed in shaft two, so that driving motor rotates shaft two by driving gear and driven gear, It further facilitates and carries out seat board height adjustment.

The utility model is further arranged to: sliding slot is offered on the side wall of the screw rod, the length direction of sliding slot is parallel The length direction of screw rod is provided with raised line in the pilot hole, and the length direction of raised line is parallel to the length direction of pilot hole, convex Item is fitted in sliding slot.

By using above-mentioned technical proposal, sliding slot is opened up on the side wall of screw rod, raised line, raised line and cunning are provided in pilot hole Slot cooperation translates screw rod along the length direction of sliding slot.

The utility model is further arranged to: the seat board includes frame, spring(-supported) mount, grid cloth and cotton pad, and frame is horizontal Setting, spring(-supported) mount are mounted on the upper opening of frame, and grid cloth is arranged in parallel in the upper plane with spring(-supported) mount, and cotton pad is arranged in parallel In the upper surface of grid cloth.

By using above-mentioned technical proposal, spring(-supported) mount is set, grid cloth is laid on spring(-supported) mount, to make grid on frame Cloth holds up cotton pad, prevents cotton pad from collapsing from the gap of spring(-supported) mount, while spring(-supported) mount can be improved the elasticity of seat board.

The utility model is further arranged to: backrest is provided on the seat board, backrest is L-shaped with seat board, and backrest is fixed The side of backrest upper surface is set, and the top of backrest is provided with more perpendicular braid over braids and horizontal braid over braid, erects braid over braid and horizontal volume The both ends of ribbon are fixed on by back, erect braid over braid and horizontal braid over braid is interlaced.

By using above-mentioned technical proposal, backrest and seat board setting are at L-shaped, and backrest is used to that personnel to be easy to use to rely on, and It is arranged to the braiding structure of perpendicular braid over braid and horizontal braid over braid on the backrest top that user of service relies on, to further increase use Comfort when personnel rely on.

In conclusion the advantageous effects of the utility model are as follows:

1. driving regulating wheel rotation by driving assembly, regulating wheel connect with screw flight, when regulating wheel rotation, screw rod and Pilot hole is to be slidably connected, so that screw rod is moved along the length direction of pilot hole, screw rod is moved along pilot hole length direction The height of seat board can be adjusted；

2. by the fixed driving wheel of shaft one, it is provided with universal joint between shaft two and shaft one, the two of shaft two Shaft one that there are two ends while connection, and shaft two is horizontally disposed, when shaft two rotates, can drive shaft one while rotate, The height of lifting is equal；

3. grid cloth is laid on spring(-supported) mount by the way that spring(-supported) mount is arranged on frame, so that grid cloth be made to carry out cotton pad It holds up, prevents cotton pad from collapsing from the gap of spring(-supported) mount, while spring(-supported) mount can be improved the elasticity of seat board.

Detailed description of the invention

Fig. 1 is the overall structure diagram one of the utility model；

Fig. 2 is the overall structure diagram two of the utility model；

Fig. 3 is the utility model partial structural diagram；

Fig. 4 is the partial enlargement diagram of part A in Fig. 3.

In figure, 1, seat board；11, frame；12, spring(-supported) mount；13, grid cloth；14, cotton pad；2, backrest；21, braid over braid is erected； 22, horizontal braid over braid；3, support device；31, screw rod；311, sliding slot；32, driving assembly；321, driving wheel；322, shaft one； 323, shaft two；324, driving gear；325, driven gear；326, driving motor；327, universal joint；33, supporting leg；34, it supports Block；341, pilot hole；342, raised line；343, recessing groove；35, regulating wheel.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

It is a kind of height-adjustable sofa disclosed by the utility model, including seat board 1 and backrest 2,1 water of seat board with reference to Fig. 1 Placing flat, backrest 2 and the L-shaped placement of seat board 1, backrest 2 are fixed on the side of the upper surface of backrest 2.

With reference to Fig. 1, seat board 1 includes frame 11, spring(-supported) mount 12, grid cloth 13 and cotton pad 14, and frame 11 is rectangle, frame 11 It is horizontal positioned, and the length direction of frame 11 is parallel with the surface of backrest 2, and spring(-supported) mount 12 is fixed on the upper opening of frame 11 Place, one plane of composition of spring(-supported) mount 12 is covered at 11 upper opening of frame and plane favours ground, and spring(-supported) mount 12 is far from backrest 2 Side be higher than spring(-supported) mount 12 close to the side of backrest 2.The plane that grid cloth 13 is parallel to the formation of spring(-supported) mount 12 is laid on spring On frame 12, the surface that cotton pad 14 is parallel to grid cloth 13 is fixed on grid cloth 13, can hold in the palm cotton pad 14 by grid cloth 13, Prevent the generation of cotton pad 14 from staying, and grid cloth 13 and spring(-supported) mount 12 all have elasticity, and user of service can be allowed to be sitting on seat board 1 It is more comfortable.

With reference to Fig. 1, the top of backrest 2 is provided with more perpendicular braid over braids 21 and horizontal braid over braid 22, erects braid over braid 21 and horizontal volume Ribbon 22 is the cloth that width is equal to 5cm, erects braid over braid 21 and horizontal braid over braid 22 is parallel to the surface setting of backrest 2, erect and compile The both ends of ribbon 21 and horizontal braid over braid 22 are separately fixed on backrest 2, and horizontal braid over braid 22 is parallel to the length direction of backrest 2, are erected Braid over braid 21 is perpendicular to the length direction of backrest 2, and horizontal braid over braid 22 to be formed with perpendicular staggered be woven together of braid over braid 21 Plane be parallel to the surface of backrest 2.

With reference to Fig. 2, the lower part of seat board 1 is provided with support device 3, there are two support devices 3, and support device 3 is symmetrically pacified Mounted in the two sides of seat board 1, the minimum point height of two support devices 3 is identical, and two support devices 3 support on the ground, thus Seat board 1 is horizontally disposed.

With reference to Fig. 3, support device 3 includes two screw rods 31 and driving assembly 32, and two screw rods 31 are oppositely arranged, two spiral shells The height of 31 lower end of bar is identical, and screw rod 31 and the angle on ground are 45 degree, and the lower end of screw rod 31 is provided with supporting leg 33, supporting leg 33 bottom surface is parallel to ground setting.Two screw rods 31 form splayed and splay larger open towards ground, in seat board 1 Inside fixed setting there are two supporting block 34, two supporting blocks 34 are fixed on seat board 1, offer pilot hole in supporting block 34 341, two supporting blocks 34 are corresponding with two screw rods 31 respectively, and the length direction of pilot hole 341 and the length direction of screw rod 31 are flat Row.In conjunction with Fig. 4, sliding slot 311 is offered on the side arm of screw rod 31, the length direction of sliding slot 311 length with screw rod 31 in parallel Direction；Raised line 342 is provided on the side arm of pilot hole 341, the length direction of raised line 342 is parallel to the length of pilot hole 341 Direction, and raised line 342 is fitted in sliding slot 311.

With reference to Fig. 3, the middle part of supporting block 34 offers recessing groove 343, and regulating wheel 35 is provided in recessing groove 343, adjusts The axis of wheel 35 is overlapped with the center line of screw rod 31, and two of regulating wheel 35 hold and be against respectively two sides of recessing groove 343 On wall, regulating wheel 35 is threadedly engaged with screw rod 31, driving assembly 32 for regulating wheel 35 rotate, thus make regulating wheel 35 relative to Screw rod 31 rotates, blocking of the screw rod 31 by raised line 342 and sliding slot 311, and screw rod 31 is moved along the length direction of pilot hole 341 It is dynamic, so that 31 lower end of screw rod be made to elongate or shorten, and then the height of seat board 1 is adjusted.

With reference to Fig. 3, driving assembly 32 includes driving wheel 321, shaft 1, shaft 2 323, driving gear 324, driven Gear 325 and driving motor 326, driving motor 326 are fixed on the side wall of seat board 1, and driving gear 324 is coaxially fixed on driving The output end of motor 326, shaft 2 323 is horizontally disposed, and driven gear 325 is coaxially fixed in shaft 2 323, driving gear 324 engage with driven gear 325, and when driving motor 326 starts, driving motor 326 drives shaft 2 323 to rotate, shaft 1 It is supported on the side wall of seat board 1, driving wheel 321 is coaxially fixed in shaft 1, and driving wheel 321 and regulating wheel 35 cooperate, and is driven Driving wheel 321 and 35 lateral wall of regulating wheel are equipped with the teeth of opposite engagement, and the both ends of shaft 2 323 are respectively to two shafts one 322 extend, and universal joint 327 is provided between the end of shaft 2 323 and the end of shaft 1, universal joint 327 Both ends are coaxially fixed in shaft 1 and shaft 2 323 respectively, and shaft 2 323 is by universal joint 327 to two shafts one 322 rotate simultaneously.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims

1. a kind of height-adjustable sofa, including seat board (1), it is characterised in that: the lower part of the seat board (1) is provided with support dress It sets (3), support device (3) is mounted on the two sides of seat board (1), and support device (3) includes driving assembly (32) and two screw rods (31), it is fixedly installed supporting block (34), is offered in supporting block (34) pilot hole (341) on seat board (1), screw rod (31) sliding It is connected in pilot hole (341), the axis of screw rod (31) and ground inclination are arranged, and the axis of two screw rods (31) is opposite to form eight Font and splay larger open offers recessing groove (343) on seat board (1), supporting block (34), in recessing groove (343) It is provided with regulating wheel (35), regulating wheel (35) is threaded on screw rod (31)；Driving assembly (32) is connect with regulating wheel (35).

2. a kind of height-adjustable sofa according to claim 1, it is characterised in that: between the screw rod (31) and ground Angle be 45 degree.

3. a kind of height-adjustable sofa according to claim 1 or 2, it is characterised in that: the driving component (32) packet It includes driving wheel (321), the opposite teeth engaged, driving wheel (321) is offered on driving wheel (321) and the side wall of regulating wheel (35) Revolving support is on seat board (1).

4. a kind of height-adjustable sofa according to claim 3, it is characterised in that: the driving component (32) includes turning Axis one (322) and shaft two (323), shaft one (322) are coaxially fixed on driving wheel (321), and shaft two (323) level is set It sets, shaft two (323) revolving support is connected with universal joint between shaft two (323) and shaft one (322) on seat board (1) (327), the both ends of universal joint (327) are coaxially fixed in shaft one (322) and shaft two (323) respectively.

5. a kind of height-adjustable sofa according to claim 4, it is characterised in that: coaxial on the shaft two (323) It is fixedly installed driven gear (325), is fixed on seat board (1) driving motor (326), the output of driving motor (326) End is coaxially fixedly installed driving gear (324), and driving gear (324) is engaged with driven gear (325).

6. a kind of height-adjustable sofa according to claim 1, it is characterised in that: opened on the side wall of the screw rod (31) Equipped with sliding slot (311), the length direction of the length direction parallel screw (31) of sliding slot (311), the interior setting of the pilot hole (341) Have raised line (342), the length direction of raised line (342) is parallel to the length direction of pilot hole (341), and raised line (342) is coupled In sliding slot (311).

7. a kind of height-adjustable sofa according to claim 1, it is characterised in that: the seat board (1) includes frame (11), spring(-supported) mount (12), grid cloth (13) and cotton pad (14), frame (11) is horizontally disposed, and spring(-supported) mount (12) is mounted on frame (11) upper opening, grid cloth (13), which is arranged in parallel in, is arranged in parallel in net with the upper plane of spring(-supported) mount (12), cotton pad (14) The upper surface of Ge Bu (13).

8. a kind of height-adjustable sofa according to claim 1, it is characterised in that: be provided with and lean on the seat board (1) Carry on the back (2), backrest (2) and seat board (1) are L-shaped, and backrest (2) is fixed at the side of backrest (2) upper surface, backrest (2) it is upper Portion is provided with more perpendicular braid over braids (21) and horizontal braid over braid (22), and perpendicular braid over braid (21) and the both ends of horizontal braid over braid (22) are fixed on On backrest (2), erects braid over braid (21) and horizontal braid over braid (22) is interlaced.