CN209898772U

CN209898772U - Multifunctional backrest chair

Info

Publication number: CN209898772U
Application number: CN201920311230.8U
Authority: CN
Inventors: 吴梅燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-01-07
Anticipated expiration: 2029-03-12

Abstract

The utility model provides a multifunctional backrest chair with reasonable structural design and simple operation, which comprises a first telescopic panel for supporting a human body to sit and a second telescopic panel for supporting a human body backrest, wherein the first telescopic panel is hinged with the second telescopic panel, an angle adjuster is arranged between the first telescopic panel and the second telescopic panel, the telescopic panel comprises a left support rod and a right support rod, a telescopic rod is arranged between the left support rod and the right support rod, the telescopic rod comprises a first extension rod and a second extension rod, the first extension rod is fixedly connected with the left support rod, the second extension rod is fixedly connected with the right support rod, a first slide rail is arranged on the first extension rod corresponding to the side edge of the second extension rod, the second extension rod corresponds to a second slide rail on the side edge of the first extension rod, a first slide block capable of sliding in the second slide rail is arranged on the first extension rod, a second slide block matched with the first slide rail is arranged at one end of the second extension rod, at least one first supporting leg is arranged on the first telescopic panel.

Description

Multifunctional backrest chair

Technical Field

The utility model relates to the technical field of living goods, in particular to a multifunctional backrest chair.

Background

Most of the current office workers are in tense life rhythm, and because the distance between the office workers and the home is long and the rest time at noon is short, a large part of office workers select noon to lie on the desktop of the office desk for noon break at noon, and long-term lying noon break is very unfavorable for cervical vertebra; at present, some small folding beds are available on the market for the office workers to have noon break, but the storage of the folding beds occupies a large space, the folding beds are narrow, the human body cannot have too large turning action in the resting process, and therefore a comfortable sleeping posture is difficult to adjust, and the sleeping quality of the noon break is directly influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above problems, the utility model provides a multifunctional backrest chair with reasonable structural design and simple operation.

In order to solve the technical problem, the utility model adopts the solution that the multifunctional backrest chair comprises a plurality of telescopic panels, the telescopic panels comprise a first telescopic panel for supporting the sitting of a human body and a second telescopic panel for supporting the backrest of the human body, the first telescopic panel is hinged with the second telescopic panel, an angle adjuster is arranged between the first telescopic panel and the second telescopic panel, the telescopic panels comprise a left support bar and a right support bar, a telescopic rod is arranged between the left support bar and the right support bar, the telescopic rod comprises a first extension bar and a second extension bar, the first extension bar is fixedly connected with the left support bar, the second extension bar is fixedly connected with the right support bar, a first slide rail is arranged on the first extension bar corresponding to the side edge of the second extension bar, and the second extension bar corresponds to a second slide rail on the side edge of the first extension bar, the first extension rod is provided with a first sliding block which can slide in the second sliding rail, one end of the second extension rod is provided with a second sliding block matched with the first sliding rail, and the first telescopic panel is provided with at least one first supporting leg.

The further improvement is that: the other end of the second telescopic panel is hinged with a third telescopic panel used for supporting the legs of the human body.

The further improvement is that: the angle adjuster comprises a first arc-shaped sliding rod and a second arc-shaped sliding rod, the circle center of the first arc-shaped sliding rod and the circle center of the second arc-shaped sliding rod fall on a rotation central line of a second telescopic panel, the upper end portion of the first arc-shaped sliding rod is fixedly connected with the second telescopic panel, a first sliding groove is upwards formed in the lower end portion of the first arc-shaped sliding rod, the second arc-shaped sliding rod can slide and penetrate through the first sliding groove, the lower end portion of the second arc-shaped sliding rod is fixedly connected with the first telescopic panel, a plurality of first positioning holes are formed in the first arc-shaped sliding rod, a plurality of second positioning holes are formed in the second arc-shaped sliding rod, a first screw rod is arranged between the first positioning holes and the second positioning holes, and the first screw rod penetrates through the first positioning holes and the second positioning holes.

The further improvement is that: more than one second supporting leg is rotatably arranged on the second telescopic panel, and the second supporting legs are arranged on the second telescopic panel in a foldable mode.

The further improvement is that: more than one third supporting leg is rotatably arranged on the third telescopic panel, and the third supporting legs are arranged on the third telescopic panel in a foldable mode.

The further improvement is that: the third telescopic panel is rotatably provided with a first positioning sheet, the first telescopic panel is provided with a first positioning nail, the first positioning sheet is provided with a first opening through which the first positioning nail penetrates, the first opening is provided with a second sliding groove, and the width of the second sliding groove is smaller than the maximum diameter of the first positioning nail.

The further improvement is that: the third supporting leg is rotatably provided with a second positioning piece, a second positioning nail is arranged on the third telescopic panel, a second opening through which the second positioning nail penetrates is formed in the second positioning piece, a third sliding groove is formed in the second opening, and the width of the third sliding groove is smaller than the maximum diameter of the second positioning nail.

The further improvement is that: the telescopic panel is provided with first cushion, second cushion, the lower terminal surface of first cushion is provided with the backup pad, the backup pad is fixed set up in on the last left branch vaulting pole of telescopic panel and the first extension rod, the second cushion set up in the up end of first cushion, one side fixed connection of second cushion and first cushion.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses the chair that is used for sitting and leaning on is folded, and the bed that is used for having a rest is unfolded, and the utility model discloses can widen the width of bed after the expansion and supply the user to adjust a comfortable sleep posture, the utility model discloses can solve office workers' afternoon break problem well, provide a comfortable afternoon break bed for office workers, simultaneously the utility model discloses easy operation, folding back is small and do not need additional storage space; the utility model discloses also be fit for the user of some small-size types and use, can with the utility model discloses place in sitting room or study, can supply guest to have a rest as brief guest room temporarily when the guest comes at home.

Drawings

Fig. 1 is a schematic view of a folding structure of a multifunctional backrest chair according to an embodiment of the present invention;

FIG. 2 is a schematic view of an expanded structure of the multifunctional backrest chair according to the embodiment of the present invention;

FIG. 3 is a schematic view of a folding structure of the multifunctional backrest chair according to the embodiment of the present invention;

FIG. 4 is a schematic view of an expanded structure of the multifunctional backrest chair according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a second support leg of the multifunctional back rest chair according to the embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, disclosed in an embodiment of the present invention is a multifunctional back rest chair, including three telescopic panels, a first telescopic panel 1 for supporting a human body to sit, a second telescopic panel 2 for supporting a human body back rest, and a third telescopic panel 3 for supporting a human body leg, wherein the first telescopic panel 1 is hinged to the second telescopic panel 2, the first telescopic panel 1 is hinged to the third telescopic panel 3, the telescopic panel includes a left support bar 41 and a right support bar 42, a telescopic rod is disposed between the left support bar 41 and the right support bar 42, the telescopic rod includes a first extension bar 51 and a second extension bar 52, the first extension bar 52 is fixedly connected to the left support bar 41, the second extension bar 52 is fixedly connected to the right support bar 42, a first slide rail 511 is disposed on the first extension bar 51 corresponding to a side of the second extension bar 52, the second extension rod 52 corresponds to the second slide rail 521 of the side edge of the first extension rod 51, the first slide rail 521 is provided with a first sliding block 512 which can slide in the second slide rail 521, the second extension rod 52 is provided with a second sliding block 522 which is matched with the first slide rail 511, the first telescopic panel 1 is provided with two first supporting legs 11, the first supporting legs 11 are respectively arranged on the left supporting rod 41 and the right supporting rod 42 of the first telescopic panel 1, the second telescopic panel 2 is rotatably provided with two second supporting legs 21, the second supporting legs 21 are respectively arranged on the left supporting rod 41 and the right supporting rod 42 of the second telescopic panel 2, the second telescopic panel 2 is provided with foldable supporting legs 21, the third telescopic panel 3 is rotatably provided with two third supporting legs 31, and the third supporting legs 31 are respectively arranged on the left supporting rod 41 and the right supporting rod 42 of the third telescopic panel 3 The third support leg 31 is foldable and arranged on the third telescopic panel 3, an angle adjuster 6 is arranged between the first telescopic panel 1 and the second telescopic panel 2, the angle adjuster comprises a first arc-shaped slide rod 61 and a second arc-shaped slide rod 62, the circle center of the first arc-shaped slide rod 61 and the circle center of the second arc-shaped slide rod 62 fall on the rotation central line of the second telescopic panel 2, the upper end of the first arc-shaped slide rod 61 is fixedly connected with the second telescopic panel 2, the lower end of the first arc-shaped slide rod 61 is upwards provided with a first slide slot (not shown in the figure), the second arc-shaped slide rod 62 can be slidably inserted into the first slide slot, the lower end of the second arc-shaped slide rod 62 is fixedly connected with the first telescopic panel 1, the first arc-shaped slide rod 61 is provided with a plurality of first positioning holes 611, the second arc-shaped slide rod 62 is provided with a plurality of second positioning holes 621, a first screw 63 is disposed between the first positioning hole 611 and the second positioning hole 621, the first screw 63 is disposed through the first positioning hole 611 and the second positioning hole 621, a first positioning plate 71 is rotatably disposed on the left support rod 41 and the right support rod 42 of the third retractable panel 3, a first positioning nail 72 is disposed on the left support rod 41 and the right support rod 42 of the first panel 1, a first opening 711 for the first positioning nail 72 to pass through is disposed on the first positioning plate 71, a second sliding slot 712 is disposed on the first opening 711, the width of the second sliding slot 712 is smaller than the maximum diameter of the first positioning nail 72, a second positioning plate 81 is rotatably disposed on the third supporting leg 31, a second positioning nail 82 is disposed on the left support rod 41 and the right support rod 42 of the third retractable panel 3, a second opening 811 for the second positioning nail 82 to pass through is disposed on the second positioning plate 81, the third spout 812 has been seted up on the second trompil 811, the width of third spout 812 is less than the maximum diameter of second location nail 82, flexible panel is provided with first cushion 91, second cushion 92, the lower terminal surface of first cushion 91 is provided with the backup pad (not shown in the figure), the backup pad is fixed set up in on the last left branch vaulting pole 41 of flexible panel and the first extension pole 51, second cushion 92 set up in the up end of first cushion 91, one side fixed connection of second cushion 92 and first cushion 91, second cushion 92 can overturn with first cushion 91 level.

The utility model can be used as a common chair when folded; will when needs have a rest the utility model discloses expand, earlier the angle that adjusts the back of the chair through first screw rod makes the back of the chair and seat level, then will prolong the frame through rotating first spacer, second spacer and expand and put down the third supporting leg and live extension frame horizontal support, the rethread handrail will the utility model discloses a width level extends to open, and the second cushion is put down in last horizontal upset, with the second cushion tiling the extension part of the utility model can use, only need press after having a rest the utility model discloses the contrary preface of expansion is folded back can.

Based on the aforementioned scheme, the angle adjuster can also be including third arc slide bar, fourth arc slide bar, the upper end of third arc slide bar with back of the chair fixed connection, the lower tip of fourth arc slide bar with seat fixed connection, the upper end of fourth arc slide bar is provided with the third slider, third arc slide bar lateral wall seted up with third slider complex second spout, a plurality of third locating holes have been seted up to third arc slide bar, the fourth locating hole has been seted up on the third slider, the third locating hole with be provided with the second screw rod between the fourth locating hole, the second screw rod wear to locate first locating hole with the second locating hole.

Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.

Claims

1. The multifunctional backrest chair is characterized in that: the foldable backrest comprises a plurality of telescopic panels, wherein each telescopic panel comprises a first telescopic panel for supporting a human body to sit and a second telescopic panel for supporting a human body backrest, the first telescopic panel is hinged with the second telescopic panel, an angle adjuster is arranged between the first telescopic panel and the second telescopic panel, each telescopic panel comprises a left supporting rod and a right supporting rod, a telescopic rod is arranged between the left supporting rod and the right supporting rod, each telescopic rod comprises a first extension rod and a second extension rod, the first extension rod is fixedly connected with the left supporting rod, the second extension rod is fixedly connected with the right supporting rod, a first slide rail is arranged on the first extension rod corresponding to the side edge of the second extension rod, the second extension rod corresponds to a second slide rail on the side edge of the first extension rod, and a first slide block capable of sliding in the second slide rail is arranged on the first extension rod, one end of the second extension rod is provided with a second sliding block matched with the first sliding rail, and the first telescopic panel is provided with at least one first supporting leg.

2. The multifunctional back rest chair according to claim 1, wherein: the other end of the second telescopic panel is hinged with a third telescopic panel used for supporting the legs of the human body.

3. The multifunctional back rest chair according to claim 1, wherein: the angle adjuster comprises a first arc-shaped sliding rod and a second arc-shaped sliding rod, the circle center of the first arc-shaped sliding rod and the circle center of the second arc-shaped sliding rod fall on a rotation central line of a second telescopic panel, the upper end portion of the first arc-shaped sliding rod is fixedly connected with the second telescopic panel, a first sliding groove is upwards formed in the lower end portion of the first arc-shaped sliding rod, the second arc-shaped sliding rod can slide and penetrate through the first sliding groove, the lower end portion of the second arc-shaped sliding rod is fixedly connected with the first telescopic panel, a plurality of first positioning holes are formed in the first arc-shaped sliding rod, a plurality of second positioning holes are formed in the second arc-shaped sliding rod, a first screw rod is arranged between the first positioning holes and the second positioning holes, and the first screw rod penetrates through the first positioning holes and the second positioning holes.

4. The multifunctional back rest chair according to claim 1, wherein: more than one second supporting leg is rotatably arranged on the second telescopic panel, and the second supporting legs are arranged on the second telescopic panel in a foldable mode.

5. The multifunctional back rest chair according to claim 2, wherein: more than one third supporting leg is rotatably arranged on the third telescopic panel, and the third supporting legs are arranged on the third telescopic panel in a foldable mode.

6. The multifunctional back rest chair according to claim 2, wherein: the third telescopic panel is rotatably provided with a first positioning sheet, the first telescopic panel is provided with a first positioning nail, the first positioning sheet is provided with a first opening through which the first positioning nail penetrates, the first opening is provided with a second sliding groove, and the width of the second sliding groove is smaller than the maximum diameter of the first positioning nail.

7. The multifunctional back rest chair according to claim 5, wherein: the third supporting leg is rotatably provided with a second positioning piece, a second positioning nail is arranged on the third telescopic panel, a second opening through which the second positioning nail penetrates is formed in the second positioning piece, a third sliding groove is formed in the second opening, and the width of the third sliding groove is smaller than the maximum diameter of the second positioning nail.

8. The multifunctional back rest chair according to claim 1, wherein: the telescopic panel is provided with first cushion, second cushion, the lower terminal surface of first cushion is provided with the backup pad, the backup pad is fixed set up in on the last left branch vaulting pole of telescopic panel and the first extension rod, the second cushion set up in the up end of first cushion, one side fixed connection of second cushion and first cushion.