CN219331118U - Multifunctional chair capable of lying down - Google Patents

Abstract

The utility model relates to a multifunctional chair capable of lying down, which comprises a bottom frame and a base arranged on the bottom frame, wherein the rear end of the base is rotatably provided with a backrest, the rear side surface of the backrest far away from the base is rotatably provided with a floor support, the bottom end of the base is also slidably provided with a footrest in the direction from the backrest to the base, and a handrail is rotatably connected between the base and the backrest so as to adjust a sitting posture state and a lying posture state. The multifunctional chair structure of this scheme is simple and practical, and whole seat is easy and simple to handle, only can expand footrest and back through rotatory adjust knob after, can become the deck chair fast, realizes lying.

Description

Multifunctional chair capable of lying down

Technical Field

The utility model belongs to the technical field of multifunctional chairs, and particularly relates to a multifunctional chair capable of lying flat.

Background

At present, most schools have small common indoor area space and a large number of people, the seats of the schools are fixed, students can only lie prone on the desks for afternoon nap, and lying and sleeping conditions are difficult to provide for the students. In the market, a noon break bed capable of directly lying and sleeping or a noon break bed capable of being folded is provided, but for the noon break bed capable of directly lying at 180 degrees, too much space is occupied for placement and unfolding, and many situations still cannot meet the condition that students in whole class can only one bed in a classroom. The multifunctional expandable functional seat has the advantages of complex structure, high manufacturing cost and high selling price, is still difficult to be configured for all students in many universities, and therefore, the multifunctional expandable seat which has simple design, low cost and simple operation is needed.

Disclosure of Invention

The utility model provides a multifunctional chair capable of lying, which is provided with a backrest capable of being unfolded flatly and a telescopic footrest, has a simple structure and is convenient to operate, and the lying and sleeping conditions can be fully met.

The technical means adopted by the utility model are as follows:

the utility model provides a can lie multifunctional chair, includes chassis and the base of setting on the chassis, and the rear end of base rotates and is provided with the back, rotates on the trailing flank that keeps away from the base of this back and is provided with the floor support frame.

Preferably, the bottom end of the base is also slidably provided with a footrest in the direction of the backrest to the base.

Preferably, the underframe comprises a foot rest and an upper frame sleeved on the foot rest, the upper frame comprises a first supporting tube at the bottom end and a U-shaped tube arranged at the top end of the first supporting tube, the section of the U-shaped tube is in an upward opening right-angle shape, the U-shaped tube is fixedly arranged at the bottom end of the base, a U-shaped space which is open towards the backrest far away direction is formed between the bottom end of the base and the U-shaped tube, and the footrest is slidably arranged in the U-shaped space.

Preferably, a first rotation hole is further formed in the footrest, a second rotation hole is further formed in the bottom end of the base, a first adjusting knob is provided through the first rotation hole and the second rotation hole, at least two first rotation holes are provided, and at least two first rotation holes are provided at the first rotation holes, wherein the first rotation holes are provided at least at positions including: the inner end of the footrest is close to the first position corresponding to the first rotating hole when the inner end of the U-shaped space is close to the inner end of the U-shaped space, and the inner end of the footrest is moved to the second position corresponding to the first rotating hole when the inner end of the footrest is close to the outer opening end of the U-shaped space.

Preferably, the end of the footrest, which is far away from the backrest, is also provided with a handle portion.

Preferably, the rear end of the base is rotatably connected with the bottom end of the backrest, and an armrest is rotatably connected between the base and the backrest.

Preferably, the left and right side ends of the base are provided with third rotation holes, the left and right side ends of the backrest are provided with fourth rotation holes, the armrest is provided with fifth rotation holes at positions close to the third rotation holes and positions close to the fourth rotation holes, and the armrest is further provided with a second adjusting knob, wherein the second adjusting knob passes through the fifth rotation holes and the third rotation holes at the positions of the third rotation holes, and the second adjusting knob passes through the fifth rotation holes and the fourth rotation holes at the positions of the fourth rotation holes.

Preferably, the fourth rotation hole is provided with at least two, wherein the fourth rotation hole is provided at a position including at least: and when the backrest and the base are in a vertical state, a third position corresponding to a fifth rotating hole position of the armrest, which is close to one end of the backrest, and a fourth position corresponding to a fifth rotating hole position of the armrest, which is close to one end of the backrest.

Preferably, the foot rest comprises an I-shaped bottom pipe and a second supporting pipe arranged on the bottom pipe, wherein the first supporting pipe is arranged in the second supporting pipe through a pipe sleeve, and semi-wrapping foot pads are arranged at four corners of the I-shaped bottom pipe.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. the foot rest has the advantages that the foot rest is of a stable structure, the foot rest is wider in bottom and stable in structure, the armrests are fixed through the threaded adjusting knob, the backrest is fixedly connected with the base through the armrests, when sitting, students lean on the foot rest, the foot rest is very stable and reliable, when lying down, besides the support provided by the floor support, the corresponding support is provided by screwing the adjusting knob at the armrests, and the structure is more stable.

2. The whole seat is easy to operate, can be changed into a reclining chair quickly, and can be unfolded by rotating the adjusting knob, so that the reclining chair can be laid down flatly.

Drawings

Fig. 1 is an exploded view of a multifunctional chair for lying down according to the present utility model.

Fig. 2 is a schematic perspective view of the assembled sitting posture of fig. 1.

Fig. 3 is a schematic view of the bottom view of fig. 2.

Fig. 4 is a schematic rear view of the backrest of fig. 2.

Fig. 5 is a schematic side view of fig. 2.

Fig. 6 is a schematic perspective view of the assembled lying state of fig. 1.

Fig. 7 is a schematic view of the bottom view of fig. 6.

Fig. 8 is a schematic side view of fig. 6.

Wherein:

1, a chassis; the foot rest 11, the bottom tube 111, the second support tube 112 and the foot rest 113; 12 upper rack, 121 first support tube, 122U-shaped tube, 123U-shaped space; 13 pipe sleeves;

2 base, 21 third rotation hole;

3 a backrest, 31a fourth rotation hole, 32 a rotation structure, 33 a storage structure;

4 footrests, 41 first rotating holes, 42 handle parts;

a 5 armrest, 51 fifth rotation hole;

6, a floor support;

71 a first adjustment knob, 72 a second adjustment knob.

Detailed Description

The utility model provides a multifunctional chair capable of lying on the back, which is shown in figures 1 and 2, and comprises a bottom frame 1 and a base 2 arranged on the bottom frame 1, wherein a backrest 3 is rotatably arranged at the rear end of the base 2, a floor support frame 6 is rotatably arranged on the rear side surface of the backrest 3 far away from the base 2, and preferably, the floor support frame 6 is in a ladder shape as shown in figures 1 and 3, and double support feet are landed more stably. And preferably, as shown in fig. 3, the backrest 3 is provided with a rotating structure 32 for supporting the rotation of the floor stand 6, and more preferably, the rotating structure 32 is provided with a damping, so that the floor stand 6 is conveniently provided with a damping when being folded and fully unfolded, and the stable state after being folded and fully unfolded is maintained. As shown in fig. 3, the backrest 3 further has a storage structure 33 near the bottom support leg of the floor support frame 6, and the floor support frame 6 can be stored in the storage structure 33 after being retracted, so that the backrest is integrated with the backrest 3, and is more compact and practical. And, as shown in fig. 1 and 7, the bottom end of the base 2 is also provided with a footrest 4 slidably in the direction from the backrest 3 to the base 2. Thus, when the backrest 3 is rotated to be close to 90 degrees with the base 2, and the footrest 4 is retracted to the bottom of the base 2, the sitting posture state shown in fig. 2 is presented for normal sitting; when the backrest 3 is rotated to be in a horizontal state with the base 2, and the footrest 4 is pulled out from the bottom of the base 2, the backrest is in a lying state as shown in fig. 6 for use in rest.

Preferably, as shown in fig. 1, the bottom frame 1 includes a foot rest 11 and an upper frame 12 sleeved on the foot rest 11, the upper frame 12 includes a first support tube 121 at the bottom end and a U-shaped tube 122 disposed at the top end of the first support tube 121, the cross section of the U-shaped tube 122 is in a right angle shape with an upward opening, the U-shaped tube 122 is fixedly disposed at the bottom end of the base 2, a U-shaped space 123 with an opening facing away from the backrest 3 is formed between the bottom end of the base 2 and the U-shaped tube 122, and the footrest 4 is slidably disposed in the U-shaped space 123. Of course, the U-shaped space 123 may be hollow, the footrest 4 is directly slidably disposed in the U-shaped space 123, and the two sides of the U-shaped space 123 may be provided with sliding rails, so that the foot-pressing plate is slidably disposed in the U-shaped space 123 through the sliding rails.

In order to fix the position of the footrest 4, a first rotation hole 41 is further provided on the footrest 4, a second rotation hole is further provided at the bottom end of the base 2, a first adjustment knob 71 is provided through the first rotation hole 41 and the second rotation hole, the first rotation hole 41 is provided with at least two, wherein the setting position of the first rotation hole 41 at least includes: the inner end of the footrest 4 is abutted to the first position corresponding to the upper and lower of the first rotation hole 41 when the inner end of the U-shaped space 123, that is, when the footrest 4 is retracted, the first adjustment knob 71 passes through the first rotation hole 41 and the second rotation hole at the inner first position of the bottom of the base 2 to be fixed after the footrest 4 is retracted; and a second position corresponding to the first rotation hole 41 up and down when the inner end of the footrest 4 is moved to the outer opening end of the U-shaped space 123, that is, when the footrest 4 is unfolded, the first adjustment knob 71 passes through the first rotation hole 41 and the second rotation hole at the outer second position of the bottom of the base 2 to be fixed after the footrest 4 is unfolded. Wherein, the second rotation hole of the base 2 is at the bottom of the base 2, not shown in the figure, and can be shown with reference to fig. 3, which is a schematic bottom view of the seat-sitting footrest 4 when it is retracted, wherein the position corresponding to the first adjusting knob 71 is the first position of the second rotation hole; referring to fig. 7, a schematic bottom view of the footrest 4 in a lying state is shown when it is unfolded, wherein the position corresponding to the first adjusting knob 71 is the second position of the second rotation hole. Of course, the second pivot hole may continue to be provided in a plurality of positions to further define the position of the footrest 4.

And, as shown in fig. 1, the end of the footrest 4 far away from the backrest 3 is also provided with a handle portion 42 to facilitate the pulling of the footrest 4.

And, as shown in fig. 1 and 2, the rear end of the base 2 is rotatably connected with the bottom end of the backrest 3, and an armrest 5 is also rotatably connected between the base 2 and the backrest 3.

Specifically, the left and right side ends of the base 2 are provided with third rotation holes 21, or preferably, as shown in fig. 7, the bottoms of the left and right sides of the base 2 are provided with connecting pieces, the connecting pieces are arranged at the two sides of the U-shaped pipe 122, and the third rotation holes 21 are arranged on the connecting pieces at the positions; the left and right side ends of the backrest 3 are provided with fourth rotation holes 31, which are the same as the third rotation holes 21, or preferably, as shown in fig. 7, the rear parts of the left and right sides of the backrest 3 are provided with connecting members, and the fourth rotation holes 31 are provided on the connecting members at the positions; the armrest 5 is provided with a fifth rotation hole 51 at a position near the third rotation hole 21 and a position near the fourth rotation hole 31, and also with a second adjustment knob 72, wherein the second adjustment knob 72 is provided through the fifth rotation hole 51 and the third rotation hole 21 at the position of the third rotation hole 21, and the second adjustment knob 72 is provided through the fifth rotation hole 51 and the fourth rotation hole 31 at the position of the fourth rotation hole 31.

And, the fourth rotation hole 31 is provided with at least two, wherein the fourth rotation hole 31 is provided at a position including at least: when the backrest 3 and the base 2 are in a vertical state, the third position 31a corresponding to the position of the fifth rotating hole 51 near one end of the backrest 3 of the armrest 5, namely, as shown in fig. 2, when in a sitting state, the positions of the fifth rotating hole 51 at the upper part of the armrest 5 and the fourth rotating hole 31 at the upper first position 31a of the backrest 3 are overlapped, and the second adjusting knob 72 passes through the arrangement; and a fourth position 31b corresponding to the position of the fifth rotating hole 51 near the end of the backrest 3 of the armrest 5 when the backrest 3 and the base 2 are in a parallel state, that is, as shown in fig. 8, when the armrest 5 is in a lying state, the positions of the fifth rotating hole 51 at the upper part of the armrest 5 and the fourth rotating hole 31 at the lower part of the second position 31b of the backrest 3 coincide, and the second adjusting knob 72 is arranged to pass through. Of course, the fourth rotating hole 31 can be further provided with a plurality of positions, further limiting the included angle between the backrest 3 and the base 2, and adjusting the angle of lying and sleeping.

Wherein the first and second positions of the second rotation hole, the third and fourth positions of the fourth rotation hole 31, in combination with the figures, are only used to represent the second rotation hole of a different position or the fourth rotation hole 31 of a different position. And the first, second, third, fourth and fifth rotating holes 41, 21, 31 and 51 are preferably rotating holes of the same aperture, and the first and second adjusting knobs 71 and 72 are preferably adjusting knobs of the same size, for indicating different setting positions, in combination with the drawings.

And, as shown in fig. 1, the stand 11 includes an i-shaped bottom tube 111 and a second support tube 112 disposed on the bottom tube 111, the first support tube 121 is disposed in the second support tube 112 through a tube sleeve 13, and semi-wrapping foot pads 113 are disposed at four corners of the i-shaped bottom tube 111 for preventing slipping and protecting from being knocked. In this case, as shown in fig. 2 or 8, the bottom horizontal tube length of the second support tube 112 on the side close to the backrest 3 is preferably longer than the horizontal tube length on the side far from the backrest 3, so that stable use in sitting and lying states can be ensured.

Claims (8)

1. The multifunctional chair capable of lying down is characterized by comprising a bottom frame (1) and a base (2) arranged on the bottom frame (1), wherein a backrest (3) is rotatably arranged at the rear end of the base (2), and a floor support frame (6) is rotatably arranged on the rear side surface of the backrest (3) far away from the base (2);

the bottom of base (2) is provided with footrest (4) in the direction of back (3) to base (2) slip still, still sets up first rotation hole (41) on this footrest (4), still sets up the second rotation hole in the bottom of base (2), is provided with first adjust knob (71) through first rotation hole (41) and second rotation hole, and this first rotation hole (41) is provided with two at least.

2. The multifunctional chair capable of lying down according to claim 1, wherein the underframe (1) comprises a foot rest (11) and an upper frame (12) sleeved on the foot rest (11), the upper frame (12) comprises a first supporting tube (121) at the bottom end and a U-shaped tube (122) arranged at the top end of the first supporting tube (121), the cross section of the U-shaped tube (122) is in an upward opening right-angle shape, the U-shaped tube (122) is fixedly arranged at the bottom end of the base (2), a U-shaped space (123) which is open towards a direction far away from the backrest (3) is formed between the bottom end of the base (2) and the U-shaped tube (122), and the footrest (4) is arranged in the U-shaped space (123) in a sliding manner.

3. A reclining multifunctional chair according to claim 2, wherein the first pivot hole (41) is provided at least in positions comprising: the inner end of the footrest (4) is close to a first position corresponding to the first rotating hole (41) up and down when the inner end of the U-shaped space (123) is close to the inner end of the footrest, and a second position corresponding to the first rotating hole (41) up and down when the inner end of the footrest (4) is moved to the outer opening end of the U-shaped space (123).

4. A reclining multifunctional chair according to claim 3, characterized in that the end of the footrest (4) remote from the backrest (3) is further provided with a pull-up portion (42).

5. A multifunctional chair capable of lying down according to claim 1, characterized in that the rear end of the base (2) is rotatably connected with the bottom end of the backrest (3), and that an armrest (5) is rotatably connected between the base (2) and the backrest (3).

6. A reclining multifunctional chair according to claim 5, wherein the right and left side ends of the base (2) are provided with third rotation holes (21), the right and left side ends of the backrest (3) are provided with fourth rotation holes (31), the armrest (5) is provided with fifth rotation holes (51) at positions near the third rotation holes (21) and positions near the fourth rotation holes (31), and further provided with second adjustment knobs (72), wherein the second adjustment knobs (72) are provided through the fifth rotation holes (51) and the third rotation holes (21) at the positions of the third rotation holes (21), and the second adjustment knobs (72) are provided through the fifth rotation holes (51) and the fourth rotation holes (31) at the positions of the fourth rotation holes (31).

7. A reclining multifunctional chair according to claim 6, wherein the fourth rotation holes (31) are provided at least two, wherein the fourth rotation holes (31) are provided at least at positions including: a third position (31 a) corresponding to the position of a fifth rotating hole (51) of the armrest (5) near one end of the backrest (3) when the backrest (3) and the base (2) are in a vertical state, and a second position (31 b) corresponding to the position of the fifth rotating hole (51) of the armrest (5) near one end of the backrest (3) when the backrest (3) and the base (2) are in a parallel state.

8. A multifunctional chair capable of lying down according to claim 2, characterized in that the foot rest (11) comprises an i-shaped bottom tube (111) and a second support tube (112) arranged on the bottom tube (111), the first support tube (121) is arranged in the second support tube (112) through a tube sleeve (13), and semi-wrapping foot pads (113) are arranged at four corners of the i-shaped bottom tube (111).

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