CN214433063U

CN214433063U - Back-unfolding type lying and sitting dual-purpose chair

Info

Publication number: CN214433063U
Application number: CN202120688400.1U
Authority: CN
Inventors: 郭立辉
Original assignee: Guangzhou Deyi Haozhanggui Technology Co ltd
Current assignee: Guangzhou Deyi Haozhanggui Technology Co ltd
Priority date: 2021-04-05
Filing date: 2021-04-05
Publication date: 2021-10-22
Anticipated expiration: 2031-04-05

Abstract

The utility model relates to a back expansion formula dual-purpose chair of lying and sitting, it includes the seat support and the back of the chair, and the back of the chair upset sets up the rear side at the seat support, still includes the back support pad, the back support pad with the seat support or back of the chair upset cooperation and/or flexible cooperation and from the rear side expansion of seat support, leave the back of the chair position of placing between the back support pad after the expansion and the seat support, the back of the chair can be turned over and tie up on the back of the chair position of placing. This kind of back expansion formula lies and sits dual-purpose chair's back of the chair exhibition back and lies in between back tray pad and the cushion, and the back of the chair bears its main weight by seat support and back tray pad, and is more firm, and in addition, back tray pad expandes from the seat support rear portion, does not influence the front side and the left and right sides design of seat support for lie and sit dual-purpose chair appearance and more be close to conventional chair, let the user accept more easily.

Description

Back-unfolding type lying and sitting dual-purpose chair

Technical Field

The utility model relates to a chair, in particular to a back-unfolding dual-purpose chair for lying and sitting.

Background

Noon break can make the human body more energetic to better deal with afternoon work (including study, work, accompany, etc.). Taking a school as an example, a fixed rest room is not provided generally, students basically lie on a desk to sleep in noon break, and the students have no good rest and are easy to cause humpback and cervical spondylosis. The problem of noon break of students, particularly the noon break of primary and secondary school students with bodies in a development stage is solved, and the method is a long-term past civil engineering. Although the rest room can be arranged to solve the problems, the arrangement of the rest room involves huge capital, not all schools can bear the burden, and corresponding land resources are not necessarily available. In summary, it is necessary to design a chair that can be unfolded for use as a lying bed, so that students can conveniently lie down and rest by directly using the seat and the position beside the seat.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a back-unfolding type lying and sitting dual-purpose chair which has reasonable structure, small occupied space and flexible use.

The purpose of the utility model is realized like this:

the utility model provides a back expansion formula dual-purpose chair of lying and sitting, includes seat support and back of the chair, and the back of the chair upset sets up the rear side at the seat support, its characterized in that: the chair back support device is characterized by further comprising a back support cushion, wherein the back support cushion is matched with the chair seat or the chair back in a turnover mode and/or in a telescopic mode and is unfolded from the back side of the chair seat, a chair back placing position is reserved between the unfolded back support cushion and the chair seat, and the chair back can be flatly folded on the chair back placing position.

The purpose of the utility model can also adopt the following technical measures to solve:

more specifically, the seat comprises a cushion and foot rests, and the cushion is arranged on the foot rests.

As a further scheme, folding guardrails are arranged on the left side and/or the right side of the chair back.

As a further scheme, the foot rest is a lifting foot rest and comprises a fixed seat and a movable seat, the movable seat is movably arranged on the fixed seat up and down, and the cushion is arranged on the movable seat; the rear support pad is matched with the fixed seat in a telescopic mode through the guide rail, and a supporting piece is arranged at the bottom of the rear support pad.

As a further scheme, the guide rail is formed by sleeving at least three sections of pipes/grooves, the three sections of pipes/grooves sequentially comprise an inner pipe/groove, a middle pipe/groove and an outer pipe/groove from inside to outside, and the inner pipe/groove and the outer pipe/groove are respectively connected with the fixed seat of the foot rest and the rear support pad.

As a further scheme, a telescopic rod is arranged on the rear support pad, one end of the telescopic rod is hinged with the rear side of a cushion or the rear side of a foot rest of the seat, so that the rear support pad is in turnover and telescopic fit with the seat, and a supporting piece is arranged at the bottom of the rear support pad.

As a further scheme, the supporting piece is a moving trolley or a supporting rod, and when the supporting piece is the supporting rod, a blocking position for limiting the opening angle of the supporting rod is arranged on the rear supporting pad.

As a further scheme, the upper end of the rear support cushion is matched with the upper end of the chair back in a turnover mode, and the bottom of the rear support cushion is provided with a support rod in a folding mode.

As a further proposal, the seat is provided with a limiting part which limits the chair back to be blocked when the chair back is turned to the horizontal state.

As a further scheme, the chair back comprises a back frame and a back cushion, the back cushion is arranged on the back frame, and the back frame is connected with the chair seat in a turnover mode.

The utility model has the advantages as follows:

(1) the back of the back-unfolding type lying and sitting dual-purpose chair is unfolded and then positioned between the back supporting cushion and the cushion, the main weight of the back of the chair is borne by the seat and the back supporting cushion, and the back of the chair is more stable;

(2) the back-unfolding type lying and sitting dual-purpose chair is also provided with foldable guardrails which can be stored, when the chair is used as a chair, the guardrails can be stored, and when the chair is used as a lying bed, the guardrails can be turned up to form anti-falling protection;

(3) the motion positions of the back-unfolding type lying and sitting dual-purpose chair can be considered to be driven by an electric power device, the electric control of the back-unfolding type lying and sitting dual-purpose chair can be direct control or triggered by means of identification, scanning payment and the like, and the use of specific personnel or the use of compensation is realized, so that the back-unfolding type lying and sitting dual-purpose chair is suitable for being used in public places and can be used as a hospital accompanying chair.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic diagram of the side view structure of the first embodiment of the present invention after being unfolded.

Fig. 3 is a schematic structural view of the chair seat and the chair back in fig. 2 after being lifted horizontally.

FIG. 4 is a schematic view of the chair shown in FIG. 3 with the back pad stored in the seat and the backrest in a raised position.

Fig. 5 is a structural schematic view of a second embodiment of the present invention showing a folded state of the seat cushion, the seat back and the back cushion.

Fig. 6 is a schematic view of the unfolded state of fig. 5.

Fig. 7 is a structural diagram of a chair according to a third embodiment of the present invention.

Fig. 8 is a structural view illustrating a state that the rear pad is turned flat in fig. 7.

Fig. 9 is a schematic view of a connection structure of the telescopic rod and the hinge seat in the third embodiment of the present invention.

Fig. 10 is a schematic structural view of the rear pad of fig. 8 after moving backward for a certain distance.

Fig. 11 is a structural view illustrating a state that the chair back is turned flat and the guard rails are turned up in fig. 10.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

the first embodiment, as shown in fig. 1 to 4, is a back-unfolding type lying and sitting dual-purpose chair, which comprises a chair seat and a chair back, wherein the chair back is arranged at the rear side of the chair seat in a turnover manner, the back-unfolding type lying and sitting dual-purpose chair further comprises a back support cushion 6, the back support cushion 6 is in telescopic fit with the chair seat and is unfolded from the rear side of the chair seat, a chair back placing position is reserved between the unfolded back support cushion 6 and the chair seat, and the chair back can be flatly folded on the chair back placing position.

The seat comprises a cushion 1 and a foot rest 2, wherein the cushion 1 is arranged on the foot rest 2. The chair back comprises a back frame 4 and a back cushion 3, the back cushion 3 is arranged on the back frame 4, and the back frame 4 is connected with the chair seat in a turnover way. The seat is provided with a limiting part which limits the chair back to be blocked when the chair back is turned to be horizontal. Folding guardrails 8 are arranged on the left side and the right side of the chair back.

The foot rest 2 is a lifting foot rest and comprises a fixed seat 21 and a movable seat 22, the movable seat 22 is movably arranged on the fixed seat 21 up and down, and the seat cushion 1 is arranged on the movable seat 22; the rear support pad 6 is matched with the fixed seat 21 in a telescopic mode through the guide rail 5, and a supporting piece is arranged at the bottom of the rear support pad 6. The supporting piece is a moving trolley 7.

The guide rail 5 is formed by at least telescopically sleeving three grooves, the three grooves sequentially comprise an inner groove, a middle groove and an outer groove from inside to outside, and the inner groove and the outer groove are respectively connected with the fixing seat 21 of the foot rest 2 and the rear support pad 6.

The working principle is as follows: when the lying and sitting dual-purpose chair is in a flattening state shown in fig. 1, a chair back placing position with the bottom spanned by the guide rail 5 is formed between the seat cushion 1 and the rear supporting cushion 6, and at the moment, the chair back can be turned up and down along the arrow A direction; when the chair back is turned to be in a horizontal state and the folding guardrails (not shown in fig. 1) are turned up, the dual-purpose chair for lying and sitting becomes a lying bed as shown in fig. 2, and at the moment, the seat cushion 1 and the chair back can be vertically lifted along the arrow B direction; next, the rear cushion 6 is pushed into the seat and under the seat cushion 1 in the direction of arrow C in fig. 3, and the seat back and the folding seat rails 8 can be folded up in the direction of arrow D to bring the chair into the chair state shown in fig. 4.

In the second embodiment, referring to fig. 5, a back-unfolding type reclining and seating dual-purpose chair comprises a chair seat and a chair back, wherein the chair back is arranged at the rear side of the chair seat in a turnover manner, the back-unfolding type dual-purpose chair further comprises a back supporting cushion 6, the upper end of the back supporting cushion 6 is matched with the upper end of the chair back in a turnover manner and is unfolded from the rear side of the chair seat, a chair back placing position is reserved between the unfolded back supporting cushion 6 and the chair seat, and the chair back can be flatly folded on the chair back placing position.

The seat comprises a cushion 1 and a foot rest (not shown in the figure), and the cushion 1 is arranged on the foot rest. The back of the chair includes back of the body frame 4 and back of the body pad 3, and back of the body pad 3 sets up on back of the body frame 4, and back of the body frame 4 is connected with 1 upset of cushion. The cushion is provided with a limiting part which limits the backrest to be blocked when the backrest is turned to be horizontal. Folding guardrails 8 are arranged on the left side and the right side of the back frame 4.

The bottom of the rear supporting cushion 6 is provided with a supporting piece. The supporting piece is a moving trolley 7 which is moved out of the chair seat, or the supporting piece is a supporting rod which is arranged at the bottom of the rear supporting pad 6.

Referring to fig. 6, the structure of the seat cushion 1, the back cushion 3 and the back cushion 6 is schematically shown in a flat state, and the folding fence 8 in fig. 6 is in a turned-up state.

Third embodiment, as shown in fig. 7, a back expansion type dual-purpose chair for lying and sitting comprises a chair seat and a chair back, wherein the chair back is arranged at the rear side of the chair seat in an overturning manner, the back support cushion 6 is arranged at the rear side of the chair seat in an overturning and telescopic matching manner, the back support cushion 6 is unfolded from the rear side of the chair seat, a chair back placing position is reserved between the unfolded back support cushion 6 and the chair seat, and the chair back can be flatly arranged on the chair back placing position.

The rear support cushion 6 is provided with a telescopic rod 9, one end of the telescopic rod 9 is hinged with a hinged support 11 at the rear side of the cushion 1 of the seat, so that the rear support cushion 6 is in overturning and telescopic fit with the seat, and a support piece is arranged at the bottom of the rear support cushion 6. The supporting piece is a supporting rod 61, the supporting rod 61 is hinged with the rear supporting pad 6, and a blocking position 62 for limiting the opening angle of the supporting rod 61 is arranged on the rear supporting pad 6.

The telescopic rod 9 comprises a fixed sleeve 91 and a movable sleeve 92, the fixed sleeve 91 is connected with the rear support pad 6, the movable sleeve 92 is spliced with the fixed sleeve 91 and is in telescopic fit with the fixed sleeve 91, and the outer end of the movable sleeve 92 is hinged with the hinged support 11.

The working principle is as follows: turning up the rear support cushion 6 in the figure 7 to a state shown in the figure 8 along the direction of an arrow F, then pulling the rear support cushion 6 backwards for a certain distance along the direction of an arrow G, so that the chair back placing position is reserved between the rear support cushion 6 and the seat cushion 1, meanwhile, opening the support rod 61, and turning over the chair back to the telescopic rod 9 of the chair back placing position along the direction of an arrow H to form a lying bed state; further, the folding guardrail 8 is turned up to protect the lying bed.

The above-described embodiments are merely preferred embodiments of the present invention, and are not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the embodiments described herein may be combined as appropriate to form other embodiments as would be understood by those skilled in the art.

Claims

1. The utility model provides a back expansion formula dual-purpose chair of lying and sitting, includes seat support and back of the chair, and the back of the chair upset sets up the rear side at the seat support, its characterized in that: the chair back support device is characterized by further comprising a back support cushion, wherein the back support cushion is matched with the chair seat or the chair back in a turnover mode and/or in a telescopic mode and is unfolded from the back side of the chair seat, a chair back placing position is reserved between the unfolded back support cushion and the chair seat, and the chair back can be flatly folded on the chair back placing position.

2. The rear-unfolding reclining chair as set forth in claim 1, wherein: the seat comprises a cushion and a foot rest, and the cushion is arranged on the foot rest.

3. The rear-unfolding reclining chair as set forth in claim 1, wherein: folding guardrails are arranged on the left side and/or the right side of the chair back.

4. The rear deployment lounge chair of claim 2, wherein: the foot rest is a lifting foot rest and comprises a fixed seat and a movable seat, the movable seat is movably arranged on the fixed seat up and down, and the cushion is arranged on the movable seat; the rear support pad is matched with the fixed seat in a telescopic mode through the guide rail, and a supporting piece is arranged at the bottom of the rear support pad.

5. The rear-unfolding reclining chair as set forth in claim 4, wherein: the guide rail is formed by sleeving at least three sections of pipes/grooves, the three sections of pipes/grooves sequentially comprise an inner pipe/groove, a middle pipe/groove and an outer pipe/groove from inside to outside, and the inner pipe/groove and the outer pipe/groove are respectively connected with the fixed seat of the foot rest and the rear support pad.

6. The rear deployment lounge chair of claim 2, wherein: the back support cushion is provided with a telescopic rod, one end of the telescopic rod is hinged with the rear side of the cushion or the rear side of the foot rest of the seat, so that the back support cushion is in overturning and telescopic cooperation with the seat, and a supporting piece is arranged at the bottom of the back support cushion.

7. The rear-unfolding lying and seating chair according to claim 4 or 6, wherein: the supporting piece is a moving trolley or a supporting rod, and when the supporting piece is the supporting rod, a blocking position for limiting the opening angle of the supporting rod is arranged on the rear supporting pad.

8. The rear-unfolding reclining chair as set forth in claim 1, wherein: the upper end of the back support cushion is matched with the upper end of the chair back in an overturning manner, and the bottom of the back support cushion is provided with a support rod in a folding manner.

9. The rear-unfolding reclining chair as set forth in claim 1, wherein: the seat is provided with a limiting part which limits the chair back to be blocked when the chair back is turned to be horizontal.

10. The rear-unfolding reclining chair as set forth in claim 1, wherein: the chair back comprises a back frame and a back cushion, the back cushion is arranged on the back frame, and the back frame is connected with the chair seat in a turnover mode.