CN209898819U

CN209898819U - Sofa

Info

Publication number: CN209898819U
Application number: CN201920553584.3U
Authority: CN
Inventors: 蒋亨法
Original assignee: Anhui Yaohai Furniture Manufacturing Co Ltd
Current assignee: Anhui Yaohai Furniture Manufacturing Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-01-07
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses a sofa, which comprises a base, a backrest and a headrest, wherein the bottom of the headrest is provided with a mounting plate, the bottom of the mounting plate is connected with an insertion rod, the insertion rod is horizontally provided with a plurality of ring grooves along the length direction, the top of the backrest is provided with an adjusting component, the adjusting component comprises a round pipe inserted into the top of the backrest, the top of the round pipe is fixedly connected with a ring, and the bottom of the ring is abutted against the top of the backrest; first standing groove has been seted up to the inside wall department horizontal symmetry of pipe, and a lateral wall department that the ring was kept away from to first standing groove sets up the second standing groove that link up the pipe inner wall, and the cross section of second standing groove is less than the cross section of first standing groove, all installs two sliding plates in the first standing groove, is connected with an elastic plate between two sliding plates, and the elastic plate is buckled along the water flat line middle part, and the middle part arch of elastic plate forms most advanced, and the elastic plate kink stretches out outside the second standing groove. The height of the headrest is adjusted, so that the use comfort of a purchaser is high.

Description

Sofa

Technical Field

The utility model belongs to the technical field of furniture production technique and specifically relates to a sofa is related to.

Background

At present, sofas can be divided into civil sofas and functional sofas basically, more and more people tend to the functional sofas at present, and the functional sofas can be used for families and office places, and can enable people to relax mood and have pleasure in mind and body. The functional sofa can be divided into a single position, a double position and a three-position; the sofa has the specific functions of sitting, lying and lying, manual and electric adjustment and adjustment of shoulders, waist and legs of people, but the functional sofa with the adjustable head and neck positions is few and few, and the problems are reflected on the sofa headrest mechanism arranged in the sofa.

Currently, chinese utility model patent with publication number CN205410520U discloses a sofa with a combined headrest, which comprises a headrest that is independent and can be placed on the top of the backrest in a matching way, and an extension cloth strip that can be attached to the backrest and fasten the position of the headrest is connected to the headrest.

The above prior art solutions have the following drawbacks: because the headrest is placed at the top of the backrest, and because the height of the sofa purchaser is large, the headrest can only be suitable for part of people, so that the application range is small, and the use comfort of most purchasers is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sofa can carry out the altitude mixture control to the headrest according to the use crowd's needs, and application scope is wider, makes more buyer's use comfort higher.

The above technical purpose of the present invention can be achieved by the following technical solutions: a sofa comprises a base, a backrest and a headrest arranged on the upper portion of the backrest, wherein a mounting plate is arranged at the bottom of the headrest, an insertion rod is fixedly connected to the bottom of the mounting plate, a plurality of annular grooves are horizontally formed in the insertion rod along the length direction of the insertion rod, an adjusting assembly matched with the insertion rod for use is arranged at the top of the backrest, the adjusting assembly comprises a circular tube inserted into the top of the backrest from top to bottom, a circular ring communicated with the circular tube is fixedly connected to the top of the circular tube, and the bottom of the circular ring is abutted to the top of the backrest; the horizontal symmetry of inside wall department of pipe has seted up first standing groove, a lateral wall department that the ring was kept away from to first standing groove sets up the second standing groove that link up the pipe inner wall, the cross section of second standing groove is less than the cross section of first standing groove, all install two sliding plates in the first standing groove, be connected with an elastic plate between two sliding plates, the elastic plate is buckled along the water flat line middle part, and the middle part arch of elastic plate forms most advanced, the elastic plate kink stretches out outside the second standing groove.

By adopting the technical scheme, the mounting plate is mounted at the bottom of the headrest, then the insertion rod is inserted into the round tube from top to bottom, the elastic plate is deformed under the action of the insertion rod, the bending angle of the elastic plate is increased, so that the sliding plate at the top moves upwards, after the sliding plate slides to a proper position, the tip of the elastic plate is positioned in the ring groove, the headrest can be positioned at the upper part of the backrest, the sliding plate is positioned in the first placing groove, the elastic plate is positioned in the second placing groove, and meanwhile, the cross section of the second placing groove is smaller than that of the first placing groove, so that when no insertion rod is placed in the round tube, the elastic plate cannot be separated from the round tube; can carry out altitude mixture control to the headrest according to the crowd's that uses needs, application scope is wider, makes more buyer comfort level higher.

The utility model discloses further set up to, a square piece has been placed on the upper portion of ring, square piece corresponds pipe department for lining up the form, through the screw connection between square piece and the back.

Through adopting above-mentioned technical scheme, set up square piece on the upper portion of ring, conveniently make square piece fix on pipe upper portion, make the pipe can not break away from back.

The utility model discloses further set up to, a mounting groove has been seted up to square piece correspondence pipe department, the ring is located the mounting groove.

Through adopting above-mentioned technical scheme, set up the mounting groove in square piece bottom, it is comparatively inseparable to make the connection between the relative square piece of ring.

The utility model discloses further set up to, a bottom fixedly connected with round platform of inserted bar, the cross section of round platform outwards extends and dwindles gradually from the junction with the inserted bar.

Through adopting above-mentioned technical scheme, in order to make the inserted bar insert in the pipe, whole comparatively smooth, so be connected with a round platform in the bottom fixedly of inserted bar.

The utility model discloses further set up to, the one end that the elastic plate was kept away from to the sliding plate is provided with a slip subassembly, the slip subassembly is including seting up the circular slot of keeping away from elastic plate one end department at the sliding plate, the one end department that the elastic plate was kept away from to the sliding plate installs a fixed plate, correspond circular slot department on the fixed plate and seted up an arc hole, the internal diameter of circular slot is greater than the diameter of ball, the diameter of arc hole is less than the diameter of ball, the lateral wall butt of ball and first standing groove.

Through adopting above-mentioned technical scheme, the ball part is located the circular slot, and one end is located the arc downthehole, and one side department that the second standing groove was kept away from to the ball is with the lateral wall butt of first standing groove, makes the sliding plate comparatively in the same direction as smooth when removing.

The utility model is further provided with a first hook arranged at one side of the elastic plate close to the second placing groove, and a spring is arranged on the first hook; be provided with a sliding block in the first standing groove, the sliding block is located between two sliding plates, and the second hook is installed to the one side department of the relative spring of sliding block, one side department and the second hook fixed connection of first hook are kept away from to the spring.

Through adopting above-mentioned technical scheme, to insert the pole and insert the back in the pipe, the pole that inserts extrudees the elastic plate to both sides, the elastic plate deformation this moment, the spring of elastic plate one side is for tightening up the form, when the annular on the pole that inserts aligns the arch of elastic plate, the pole that inserts is pegged graft in the elastic plate, the elastic plate receives the thrust of spring this moment, it is comparatively inseparable to make elastic plate be connected with the pole that inserts, avoid the pole that inserts to drop downwards because of normal use, make and remain throughout between two elastic plates and tighten up the state, excellent in use effect.

The utility model discloses further set up as, one side department of base still is provided with half base of lying, also be provided with a back on half the base of lying.

By adopting the technical scheme, the user may need to lie on the sofa in half when using the sofa, so that the applicability of the sofa is better.

The utility model discloses further set up as, one side department of half base of lying is provided with a handrail, the upper portion of handrail is provided with a handrail back cushion.

Through adopting above-mentioned technical scheme, set up the handrail, in order to let user's arm can be comparatively comfortable, set up handrail back cushion and make user's arm comparatively comfortable.

To sum up, the utility model discloses following beneficial effect has:

1. the height of the headrest can be adjusted, so that the headrest is used for people with different heights, the range of indication is wide, and the comfort level is high;

2. one side of the sliding plate is provided with a sliding component, so that the sliding plate is smoother when moving after the elastic plate is pressed down by an external force;

3. and when the elastic plate is used, the spring enables the elastic plate to be tightly connected with the insertion rod at the top of the elastic plate.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing a structure of a connection relationship between a headrest and an insertion rod according to the embodiment;

FIG. 3 is a schematic diagram of the structure inside a circular tube according to the embodiment;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Reference numerals: 1. a base; 11. a semi-reclining base; 111. a handrail; 112. a handrail headrest; 2. a backrest; 3. a headrest; 31. mounting a plate; 32. an insertion rod; 321. a circular truncated cone; 33. a ring groove; 4. an adjustment assembly; 41. a circular tube; 42. a circular ring; 421. a square piece; 422. mounting grooves; 43. a first placing groove; 44. a second placing groove; 45. a sliding plate; 46. an elastic plate; 461. a spring; 462. a slider; 463. a first hook; 464. a second hook; 5. a sliding assembly; 51. a circular groove; 52. a fixing plate; 53. an arc-shaped hole; 54. and a ball.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the sofa of the present invention comprises a base 1, a backrest 2, and a headrest 3 mounted on the upper portion of the backrest 2.

Referring to fig. 2, a mounting plate 31 is installed at the bottom of the headrest 3, the mounting plate 31 is installed at the bottom of the headrest 3 by screws, an insertion rod 32 is fixedly connected to the bottom of the mounting plate 31, a plurality of annular grooves 33 are horizontally formed in the insertion rod 32 along the length direction thereof, and the adjacent annular grooves 33 are arranged at intervals.

Referring to fig. 2, in order to insert the insertion rod 32 into the circular tube 41 smoothly, a circular truncated cone 321 is fixedly connected to the bottom of the insertion rod 32, and the cross section of the circular truncated cone 321 extends outwards from the connection point with the insertion rod 32 and gradually decreases.

Referring to fig. 3-4, the top of the backrest 2 is provided with an adjusting assembly 4 used with the insertion rod 32, and the adjusting assembly 4 includes a circular tube 41, a circular ring 42, a first placing groove 43, a second placing groove 44, a sliding plate 45, and an elastic plate 46. The ring 42 is inserted into the backrest 2 from top to bottom; the circular ring 42 is fixedly connected to the top of the circular ring 42, and the bottom of the circular ring 42 is abutted to the top of the backrest 2; the first placing grooves 43 are symmetrically arranged along the length of the round pipe 41, the first placing grooves 43 are vertically arranged on the side wall of the round pipe 41, and the top of each first placing groove 43 is open; the second placing grooves 44 are provided at two side walls of the first placing grooves 43 far away from the circular ring 42, the side walls of the second placing grooves 44 penetrate through the side wall of the circular tube 41, and the cross section of the second placing grooves 44 is smaller than that of the first placing grooves 43; the sliding plates 45 are provided with four pieces which are respectively placed in the first placing grooves 43; the elastic plate 46 is symmetrically bent along the horizontal direction, so that the middle part of the elastic plate 46 protrudes to form a tip end, the elastic plate 46 is vertically placed in the second placing groove 44, two bent ends of the elastic plate 46 extend into the first placing groove 43, and the sliding plates 45 are respectively and fixedly connected to the elastic plate 46 in the first placing groove 43.

Referring to fig. 3, a square piece 421 is placed on the upper portion of the ring 42, the square piece 421 is through-shaped at a position corresponding to the round tube 41, and the square piece 421 is connected to the backrest 2 by a screw.

Referring to fig. 3, in order to make the connection between the square piece 421 and the ring 42 tight and avoid the connection with a gap, a mounting groove 422 is formed at the bottom of the square piece 421, and the ring 42 is located in the mounting groove 422.

Referring to fig. 4, the sliding plate 45 is provided with a sliding assembly 5 at an end thereof remote from the elastic plate 46, and the sliding assembly 5 includes a circular groove 51, a fixed plate 52, an arc-shaped hole 53, and a ball 54. The circular groove 51 is arranged at the side wall of the sliding plate 45 close to the circular ring 42, and one side of the circular groove 51 close to the circular ring 42 is in a through shape; the fixed plate 52 is fixedly attached at a side of the sliding plate 45 away from the second placing groove 44; the arc-shaped hole 53 is formed in the position, opposite to the circular groove 51, of the fixed plate 52, and one side, away from the elastic plate 46, of the arc-shaped hole 53 is in a through shape; the balls 54 are placed in the circular groove 51 and the arc hole 53, the balls 54 are slidable with respect to the circular groove 51 and the arc hole 53, and the balls 54 are slidable on the side wall of the first placing groove 43.

Referring to fig. 4, in order to keep the two elastic plates 46 in a tightened state all the time, the use effect is better, a first hook 463 is installed at one side of the elastic plate 46 opposite to the second placement groove 44, a spring 461 is arranged on the first hook 463, a sliding block 462 is installed at one side of the spring 461 close to the second placement groove 44, the sliding block 462 slides in the first placement groove 43, a second hook 464 is fixedly connected at one side of the sliding block 462 close to the second placement groove 44, one end of the spring 461 is connected with the first hook 463, and the other end is connected with the second hook 464.

Referring to fig. 1, three bases 1 are provided, a half lying base 11 is provided at one side of the base 1, and a backrest 2 is also installed at the upper part of the half lying base 11.

Referring to fig. 1, in order to make the arm of the user comfortable, a fixed armrest 111 is provided at one side of the semi-reclining base 11, and an armrest headrest 112 is provided at an upper portion of the fixed armrest 111.

When the headrest mounting structure is used, the mounting plate 31 is mounted at the bottom of the headrest 3, the insertion rod 32 is inserted into the circular tube 41 from top to bottom, the elastic plate 46 is deformed under the action of the insertion rod 32, the bending angle of the elastic plate 46 is increased, so that the sliding plate 45 at the top moves upwards, and after the sliding plate slides to a proper position, the tip of the elastic plate 46 is located in the annular groove, so that the headrest 3 can be located at the upper part of the backrest 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a sofa, includes base (1), back (2), installs headrest (3) on back (2) upper portion, its characterized in that: the headrest is characterized in that a mounting plate (31) is mounted at the bottom of the headrest (3), an insertion rod (32) is fixedly connected to the bottom of the mounting plate (31), a plurality of annular grooves (33) are horizontally formed in the insertion rod (32) along the length direction of the insertion rod, an adjusting component (4) matched with the insertion rod (32) for use is arranged at the top of the backrest (2), the adjusting component (4) comprises a circular tube (41) inserted into the top of the backrest (2) from top to bottom, a circular ring (42) communicated with the circular tube (41) is fixedly connected to the top of the circular tube (41), and the bottom of the circular ring (42) is abutted to the top of the backrest (2); first standing groove (43) have been seted up to the inside wall department horizontal symmetry of pipe (41), a lateral wall department that the ring (42) was kept away from in first standing groove (43) has seted up second standing groove (44) that link up pipe (41) inner wall, the cross section of second standing groove (44) is less than the cross section of first standing groove (43), all install two sliding plates (45) in first standing groove (43), be connected with between two sliding plates (45) an elastic plate (46), elastic plate (46) buckle along the water flat line middle part, and the middle part arch of elastic plate (46) forms most advanced, elastic plate (46) kink stretches out outside second standing groove (44).

2. The sofa of claim 1, wherein: a square piece (421) is placed on the upper portion of the circular ring (42), the square piece (421) is in a through shape corresponding to the circular tube (41), and the square piece (421) is connected with the backrest (2) through a screw.

3. A sofa according to claim 2, wherein: the square sheet (421) is provided with a mounting groove (422) corresponding to the round tube (41), and the ring (42) is positioned in the mounting groove (422).

4. The sofa of claim 1, wherein: the bottom of the insertion rod (32) is fixedly connected with a circular truncated cone (321), and the cross section of the circular truncated cone (321) extends outwards from the connection part of the circular truncated cone and the insertion rod (32) and is gradually reduced.

5. The sofa of claim 1, wherein: the sliding plate (45) is far away from the one end of elastic plate (46) and is provided with a slip subassembly (5), slip subassembly (5) are including offering in sliding plate (45) round slot (51) of keeping away from elastic plate (46) one end department, the sliding plate (45) are kept away from the one end department of elastic plate (46) and are installed a fixed plate (52), a circular arc hole (53) has been seted up to corresponding round slot (51) department on fixed plate (52), the internal diameter of round slot (51) is greater than the diameter of ball (54), the diameter of arc hole (53) is less than the diameter of ball (54), ball (54) and the lateral wall butt of first standing groove (43).

6. The sofa of claim 1, wherein: a first hook (463) is arranged on one side of the elastic plate (46) close to the second placing groove (44), and a spring (461) is arranged on the first hook (463); a sliding block (462) is arranged in the first placing groove (43), the sliding block (462) is positioned between the two sliding plates (45), a second hook (464) is installed on one side of the sliding block (462) opposite to a spring (461), and one side of the spring (461) far away from the first hook (463) is fixedly connected with the second hook (464).

7. The sofa of claim 1, wherein: one side of the base (1) is also provided with a half lying base (11), and the half lying base (11) is also provided with a backrest (2).

8. The sofa of claim 7, wherein: one side of the semi-lying base (11) is provided with an armrest (111), and the upper part of the armrest (111) is provided with an armrest (111) headrest.