CN211048888U

CN211048888U - Adjustment mechanism for accompanying chair

Info

Publication number: CN211048888U
Application number: CN201921471522.4U
Authority: CN
Inventors: 张宏斌
Original assignee: Yangzhou Jin Shi Medical Equipment Co ltd
Current assignee: Yangzhou Jin Shi Medical Equipment Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-21
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses an adjustment mechanism for accompanying chair, including the seat that constitutes accompanying chair, the seat rear side articulated be equipped with the back, the seat both sides be equipped with the handrail, handrail both sides downwardly extending front side be the front leg, the rear side is the back leg, the front leg on be equipped with height-adjustable's steering wheel mechanism, back leg inside be equipped with height-adjustable's auxiliary leg post, the seat both sides be equipped with the connection piece of adjustable back angle, the utility model discloses compare with prior art's advantage lie in that the height of L type support of accessible regulation and the height of adjusting auxiliary leg post on accompanying chair back leg for main wheel and universal wheel land, make accompanying chair can regard as the wheelchair to use, and the accessible is adjusted the connection piece and is connected different archs, and then adjusts the angle of back and seat.

Description

Adjustment mechanism for accompanying chair

Technical Field

The invention relates to the technical field of medical instruments, in particular to an adjusting mechanism for a nursing chair.

Background

The accompanying chair is a foldable accompanying chair provided for medical ward patient family members, and comprises a bed surface frame, hooks, adjustable movable bed legs, movable supporting hooks and adjusting legs, wherein the hooks are hung on a patient bed during use and can be taken away when not in use, the adjustable movable bed legs are folded and placed under the patient bed or taken away by a wall, and the accompanying chair has the characteristics of simple and compact structure, convenience in manufacture and installation, convenience in use, small occupied space of the patient bed and the like, can be used as a medical ward accompanying bed or used as a widened patient bed for placing therapeutic devices and articles, is mainly used as an accompanying person for rest in the conventional hospital, does not have the function of serving as a wheelchair when a patient with inconvenient movement needs to temporarily take the wheelchair, and the backrest is mostly fixed and cannot adjust the angle, so that the patient easily feels tired after sitting for a long time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an adjustable adjustment mechanism for accompanying chair that acts as the wheelchair and uses to adjustable back angle.

In order to solve the technical problem, the utility model provides a technical scheme is that an adjustment mechanism for accompanying and attending to chair, including the seat of constituteing the accompanying and attending to chair, the articulated back that is equipped with of seat rear side, the seat both sides be equipped with the handrail, handrail both sides downwardly extending front side be the front leg, the rear side is the back leg, seat below be equipped with two sets of support frames, support frame below fixed connection be equipped with the bearing, two bearings between peg graft and be equipped with the pivot, pivot both ends fixed connection be equipped with the leading wheel, the front leg on be equipped with steering wheel mechanism, steering wheel mechanism including setting up cylinder cavity one on the front leg, cavity one inside be equipped with the support column, the upper end that front leg is located the support column be equipped with the cross-section for rectangle and opening to front side and inboard opening one, the lower extreme that front leg is located the support column be equipped with the cross-section for rectangle and opening to the opening two in the front side and the outside, opening one and opening two between be equipped with the spacing pin, suit one side be equipped with the fixed ring 3583 of grooving type support ring on the support frame.

Compared with the prior art, the utility model has the advantages that the utility model relates to an adjustment mechanism for accompanying chair accessible adjusts the height of L type support on the landing leg before accompanying chair and adjusts the height of vice leg post on the landing leg behind accompanying chair for main wheel and universal wheel land, make accompanying chair can regard as the wheelchair to use, and the accessible is adjusted the connection piece and is connected different archs, and then adjusts the angle of back and seat.

As an improvement, the inside cavity two that is equipped with of back landing leg lower extreme, cavity two extend to back landing leg bottom, back landing leg bottom surface on be equipped with the through-hole, back landing leg be located the through-hole upper end and be equipped with the opening three of cross-section for rectangle and opening to forward side and outside, one side of opening three be equipped with fluting two, fluting two extend to cavity two upper ends, cavity two upper ends be equipped with the opening four of cross-section for rectangle and opening to forward side and inboard, cavity two inside be equipped with vice leg post, vice leg post upper end suit be equipped with the ring, the ring on fixed connection be equipped with the connecting block, the connecting block on be equipped with the pedal, the person of facilitating the use tramples the pedal and makes vice table leg stretch out.

As an improvement, the backrest is provided with a trolley handle, so that an attendant can conveniently push and hold.

As an improvement, the seat side be equipped with the bolt, the bolt on rotate and connect and be equipped with the connection piece, the connection piece be equipped with the round hole for connecting bolt's the other end, the back side be equipped with the arch that a plurality of diameters are less than the round hole, the round hole suit in protruding, the accessible connection piece is hung the protruding back angle of adjusting of the difference in position, promotes the comfortable type of accompanying and attending to the chair.

Drawings

Fig. 1 is a schematic view of a main structure of an adjusting mechanism for an accompanying chair of the present invention.

Fig. 2 is a front view of an adjusting mechanism for an accompanying chair used as a wheelchair.

Fig. 3 is a left side view of the adjusting mechanism for the accompanying chair of the present invention as the accompanying chair.

Fig. 4 is a schematic view of a column leg structure of a steering wheel mechanism of an adjusting mechanism for an accompanying chair.

Fig. 5 is a schematic view of a structure of a steering wheel of an adjusting mechanism for an accompanying chair of the present invention.

Fig. 6 is a schematic structural view of the main body of the rear leg of the adjusting mechanism for the accompanying chair of the present invention.

Fig. 7 is a schematic view of the structure of the auxiliary leg column of the adjusting mechanism for the nursing chair of the present invention.

As shown in the figure, the pedal comprises a seat plate 1, a seat plate 2, a backrest 3, an armrest 4, a front supporting leg 5, a rear supporting leg 6, a supporting frame 7, a bearing 8, a rotating shaft 9, a main wheel 10, a steering wheel mechanism 11, a first cavity 12, a supporting column 13, a first opening 14, a second opening 15, a limiting pin 16, a fixing ring 17, a L type bracket 18, a universal wheel 19, a first groove 20, a second cavity 21, a through hole 22, a third opening 23, a second leg column 24, a circular ring 25, a connecting block 26, a pedal 27, a trolley handle 28, a bolt 29, a connecting piece 30, a circular hole 31, a bulge 32, a second groove 33 and a fourth opening.

Detailed Description

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

With reference to the attached figures 1-7

An adjusting mechanism for an accompanying chair comprises a seat plate 1 forming the accompanying chair, a backrest 2 is hinged to the rear side of the seat plate 1, handrails 3 are arranged on two sides of the seat plate 1, the front sides of the two sides of the handrails 3 extending downwards are front support legs 4, the rear sides of the two sides of the handrails 3 extending downwards are rear support legs 5, the adjusting mechanism is characterized in that two groups of support frames 6 are arranged below the seat plate 1, bearings 7 are fixedly connected to the lower portions of the support frames 6, a rotating shaft 8 is arranged between the two bearings 7 in an inserting mode, main wheels 9 are fixedly connected to the two ends of the rotating shaft 8, a steering wheel mechanism 10 is arranged on the front support legs 4, the steering wheel mechanism 10 comprises a cylinder cavity I11 arranged on the front support legs 4, a support column 12 is arranged inside the cylinder cavity I11, the upper end, located on the support column 12, of the front support legs 4 is provided with a first opening 13 with a rectangular cross section and a second opening 14 facing the front side and the inner side, the lower end, located on the support column 12, is provided with a second opening 19, a fixing ring 3517 is arranged on the support ring 16, and a fixing ring 16 is arranged on the upper end of the wheelchair and extends out.

The inner part of the lower end of the rear support leg 5 is provided with a cavity II 20, the cavity II 20 extends to the bottom of the rear support leg 5, the bottom surface of the rear support leg 5 is provided with a through hole 21, the upper end of the through hole 21 of the rear support leg 5 is provided with an opening III 22 with a rectangular cross section and an opening opposite to the front side and the outer side, one side of the opening III 22 is provided with a groove II 32, the groove II 32 extends to the upper end of the cavity II 20, the upper end of the cavity II 20 is provided with an opening IV 33 with a rectangular cross section and an opening opposite to the front side and the inner side, the inner part of the cavity II 20 is provided with an auxiliary leg column 23, the upper end of the auxiliary leg column 23 is sleeved with a ring 24, the ring 24 is fixedly connected with a connecting block 25, the connecting block 25 is arranged in the groove II 32 and can slide up and down, and the connecting.

The backrest 2 is provided with a trolley handle 27 which is convenient for the accompanying person to push.

The side of the seat plate 1 is provided with a bolt 28, the bolt 28 is provided with a connecting sheet 29 in a rotating connection mode, the other end, opposite to the connecting bolt 28, of the connecting sheet 29 is provided with a round hole 30, the side of the backrest 2 is provided with a plurality of protrusions 31 with the diameter smaller than that of the round hole 30, and the round hole 30 is sleeved on the protrusions 31.

The utility model discloses when concrete implementation, when using as accompanying chair, L type support 17 on the preceding leg of accompanying chair is arranged in opening 13 department, universal wheel 18 is unsettled this moment, step on pedal 26 on the rear leg of accompanying chair downwards, make shank 23 stretch out from the rear leg of accompanying chair, and make pedal 26 rotate to opening three 22 and be located the opposite side of two fluting 32, play limiting displacement, main wheel 9 is unsettled this moment, when using as the wheelchair, it makes its alignment fluting 19 to rotate L type support 17, slide to fluting 19 bottom, then rotate L type support 17 to two opening 14 sides, press locating pin 15, make universal wheel 18 land, then rotate pedal 26, make it align fluting two 32, upward movement pedal 26, to two fluting 32 upper ends, it steps on 26 to one side of four opening 33 to rotate pedal, make main wheel 9 land, main wheel 9 and wheel 18 all land this moment, can use as the wheelchair, promote the push away the removal of cart handle 27, when needing to adjust back angle, adjust back angle 29, make it connect in the connection piece of difference 31, make it adjust the universal angle.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides an adjustment mechanism for accompanying and attending to chair, is including constituteing seat (1) of accompanying and attending to chair, seat (1) rear side articulated be equipped with back (2), seat (1) both sides be equipped with handrail (3), handrail (3) both sides downwardly extending front side be preceding landing leg (4), the rear side is back landing leg (5), its characterized in that seat (1) below be equipped with two sets of support frames (6), support frame (6) below fixed connection be equipped with bearing (7), two bearings (7) between peg graft and be equipped with pivot (8), pivot (8) both ends fixed connection be equipped with main wheel (9), preceding landing leg (4) on be equipped with and turn to wheel mechanism (10), turn to wheel mechanism (10) including setting up cylinder cavity one (11) on preceding landing leg (4), cavity one (11) inside be equipped with support column (12), preceding landing leg (4) upper end that is located support column (12) be equipped with the cross-section for inboard side and opening one side and inboard opening one (13), preceding landing leg (4) suit support leg (11) inside be equipped with support column (12) and the open-ended support ring (19) that the lower extreme is equipped with two slotted wheel (16) that fixed ring (17) move, the open ends move to the fixed ring (16) are equipped with one side, the fixed ring (17) and fixed ring (17) move, the open end of support ring (18) are equipped with two open-type support ring (19), the open-up and the open-groove type support ring (19) and the open-end of support ring (19) are equipped with one side support ring (19), the open-.

2. The adjusting mechanism for a chair according to claim 1, wherein: a cavity II (20) is arranged in the lower end of the rear supporting leg (5), the cavity II (20) extends to the bottom of the rear supporting leg (5), a through hole (21) is formed in the bottom surface of the rear supporting leg (5), an opening III (22) with a rectangular cross section and facing to the front side and the outer side is arranged at the upper end of the through hole (21) of the rear supporting leg (5), a groove II (32) is arranged on one side of the opening III (22), the groove II (32) extends to the upper end of the cavity II (20), an opening IV (33) with a rectangular cross section and facing to the front side and the inner side is arranged at the upper end of the cavity II (20), an auxiliary leg column (23) is arranged in the cavity II (20), a circular ring (24) is sleeved at the upper end of the auxiliary leg column (23), and a connecting block (25) which slides up and down in the groove II (32) is fixedly connected to the circular ring (24), the connecting block (25) is provided with a pedal (26).

3. The adjusting mechanism for a chair according to claim 1, wherein: a trolley handle (27) is arranged on the backrest (2).

4. The adjusting mechanism for a chair according to claim 1, wherein: seat (1) side be equipped with bolt (28), bolt (28) on rotate the connection and be equipped with connection piece (29), connection piece (29) be equipped with round hole (30) for the other end of connecting bolt (28), back (2) side be equipped with protruding (31) that a plurality of diameters are less than round hole (30), round hole (30) suit on protruding (31).