CN209996629U - A movable assist lift chair - Google Patents

Abstract

The utility model discloses a movable auxiliary lift chair, which comprises a seat body. The seat body comprises a seat, a back, two support plates, two legs and two wheels. One side of the top of the seat is A seat back is fixedly arranged, a support plate is fixed on both sides of the top of the seat, one side of the two support plates is fixed with two chair legs on one side of the bottom end of the seat body, and the bottom ends of the two chair feet are fixed with two chair legs. The universal wheel is fixedly arranged, and the two ends of one side of the seat back are fixedly arranged with sliding rails. The utility model is a movable auxiliary lift chair. For two parts, the "human hip part" and "the part where the legs are placed" perform compound movements of rising and tilting, while the bottom part of the stand-up only performs the rising movement without not tilting, so it can play a role in helping the elderly get up. Assist to prevent the elderly from falling when they get up.

Description

A movable assist lift chair

technical field

The utility model relates to a wheelchair, in particular to a movable auxiliary chair, belonging to the technical field of nursing equipment for the elderly.

Background technique

Wheelchairs are chairs with wheels, which are important mobile tools for the wounded, the sick, the disabled and the elderly for home rehabilitation, turnover transportation, medical treatment, and outings. It is important to facilitate family members to move and take care of patients and the elderly, so that the patients or the elderly can use wheelchairs to exercise and participate in social activities.

Elderly people who sit in a wheelchair for a long time may experience problems such as dizziness caused by insufficient supply of oxygen and nutrients to the brain when standing up due to pressure on the lower limbs, and falling down due to rapid heartbeat. In the existing technology, wheelchairs do not have standing up aids for the elderly.

Utility model content

The purpose of the present invention is to provide a movable auxiliary chair to solve the problems of the above-mentioned background art that the elderly do not have a protection mechanism for getting up and the elderly do not have an auxiliary mechanism for getting up.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a movable auxiliary lift-up chair, comprising a seat body, and the seat body includes a seat, a back, two support plates, two legs and two A chair wheel, one side of the top of the seat is fixed with a seat back, both sides of the top of the seat are fixed with support plates, and one side of the bottom of the seat body is fixed with two legs. The bottom ends of the two chair legs are fixedly provided with universal wheels, and both ends of one side of the chair back are fixedly provided with sliding rails, and the two sliding rails are respectively slidably connected with the two sliding plates, and the two sliding rails are respectively slidably connected. One end of the sliding plate is fixed with a connecting plate, one end of the two connecting plates is fixed with a handrail, one side of the two connecting plates is fixedly connected with the two sides of the supporting transverse plate, and the supporting transverse The bottom of one side of the board is fixedly provided with a rising bottom plate, and one side of the top of the rising bottom plate is provided with two grooves, and one side of the inner wall of the two grooves is hinged with a leg auxiliary board, and one of the seat backs is provided. A plate groove is opened in the middle of the side, one end of the two sides of the seat is fixed with a first rotating shaft, one end of the two first rotating shafts are respectively connected with one end of the two chair wheels, and one of the supporting plates is A screw seat is fixed on one side of the screw, the middle part of the screw seat is threadedly connected with the middle part of the first screw, and one side of the outer wall of the first screw is sleeved with a first gear. One side is engaged with the middle of the worm, and one end of the worm is rotatably connected with the first bearing, the first bearing is fixedly arranged inside the first bearing seat, and the first bearing seat is fixedly arranged at the bottom of one of the handrails One side of the end, the other end of the worm is fixedly provided with a first bevel gear, the first bevel gear meshes with the second bevel gear, the second bevel gear is sleeved in the middle of the rotating shaft, and the A rotating handle is fixed at the top, and a second rotating shaft is fixed at the bottom of one side of the two supporting plates. The two second rotating shafts are respectively connected with one end of one side of the two first connecting rods. The other end of one side of the first connecting rod is respectively rotatably connected with the two ends of the first horizontal shaft, the two ends of the first horizontal shaft are respectively rotatably connected with the middle parts of the two second bearing seats, and the two first horizontal shafts are respectively rotatably connected. The two bearing seats are fixedly arranged on the top of one side of the getting-up auxiliary plate, the two sides of the outer wall of the first horizontal shaft are respectively connected with one end of the two second connecting rods, and the other ends of the two second connecting rods are Passing through the plate groove and connecting with both ends of the second horizontal shaft, the middle part of the second horizontal shaft passes through the third bearing seat, and the third bearing seat is fixedly arranged on the top of one side of the moving block, the A threaded hole is opened in the middle of the moving block, the threaded hole is threadedly connected with the middle of the second lead screw, one end of the second lead screw is rotatably connected with one end of the third shaft seat, and the other end of the second lead screw is rotatably connected It is inserted and connected with the fourth bearing seat, and the third bearing seat and the fourth bearing seat are respectively fixed on the bottom of the other side of the seat back and the top of the other side of the seat back, and the other end of the second lead screw is fixed There is a third bevel gear, the third bevel gear meshes with the fourth bevel gear, and the fourth bevel gear is sleeved in the middle of the third horizontal shaft, and the two ends of the third horizontal shaft are respectively connected with the two One end of the fifth bearing seat is interspersed and connected, The two fifth bearing seats are respectively fixed on the two ends of the top of the other side of the seat back, and one end of the third horizontal shaft passes through one of the fifth bearing seats and is rotatably connected to one end of the first pulley. A pulley is drivingly connected to the second pulley through a belt, and one end of the second pulley is rotatably connected to one end of the fourth rotating shaft, and the fourth rotating shaft is fixed on the top of one side of the seat back. The other end is fixedly connected with one end of the second gear through the connecting rod, one side of the second gear is engaged with the rack, the rack is fixedly arranged on one side of the vertical plate, and the vertical plate is fixedly arranged on the stand-up assistant. top of one end of the board.

As a preferred technical solution of the present invention, the tops on one side of the two chair legs are respectively fixedly connected with one end on both sides of the lower bottom plate, and one side of the top of the lower bottom plate is fixedly provided with two first support seats, One side of the two first support seats is hinged with one end of the two first support rods, one end of the two first support rods is hinged with one end of the two second support rods, and the two first support rods are hinged with one end of the two first support rods respectively. The other ends of the two support rods are respectively hinged with one end of the two second support bases, and the two second support bases are respectively fixed on both sides of the bottom end of the getting-up base plate, and the middle part of one side of the two second support rods A third support rod is hingedly arranged, one end of the two second support rods is hinged with two connecting ears respectively, and the two connecting ears are respectively fixed on one end of both sides of the leg auxiliary board.

As a preferred technical solution of the present invention, both sides of the top of the seat are fixedly provided with support columns, and the tops of the two support columns are fixedly provided with armrests under armpits.

As a preferred technical solution of the present invention, brake pads are fixed on the outside of the two universal wheels.

As a preferred technical solution of the present invention, both the outside of the two handrail bars are sleeved with handrail boxes, and the tops of the handrail boxes are both provided with bar letting grooves.

Compared with the prior art, the beneficial effects of the present utility model are: a movable auxiliary lift chair of the present utility model realizes the rise of the stand-up base plate by turning the handwheel, and during movement, the stand-up base plate will be divided into two parts, " The hip part of the person and the part where the legs are placed perform a compound movement of rising and inclining, while the bottom part of the body only performs a rising movement and does not incline, so it can assist the elderly to get up and prevent the elderly from getting up. The phenomenon of falling down occurs when getting up; through the support columns provided on both sides of the top of the seat, the armrests are fixedly provided at the top of the support columns to support the armrests. It can prevent the elderly from falling directly on the bottom plate.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front structure schematic diagram of the worm drive of the utility model;

Fig. 3 is the side structure schematic diagram of the worm drive of the utility model;

Fig. 4 is the side structure schematic diagram of the utility model.

In the figure: 1. Seat body; 2. Seat; 3. Chair back; 4. Support plate; 5. Chair foot; 6. Chair wheel; 7. Universal wheel; 8. Screw seat; 9. First Screw; 10, first gear; 11, worm; 12, first bearing seat; 13, handrail; 14, first bevel gear; 15, second bevel gear; 16, rotating shaft; 17, rotating handle; 18 , the first connecting rod; 19, the slide rail; 20, the slide plate; 21, the connecting plate; 22, the supporting horizontal plate; 23, the bottom plate; 24, the first horizontal axis; ; 27, plate groove; 28, second horizontal axis; 29, moving block; 30, second screw; 31, third bevel gear; 32, fourth bevel gear; 33, third horizontal axis; 34, first pulley; 35, second pulley; 36, second gear; 37, rack; 38, vertical plate; 39, lower bottom plate; 40, first support seat; 41, first support rod; 42, second support rod; 43, the second support seat; 44, the third support rod; 45, the leg auxiliary board; 46, the support column; 47, the armrest supporting the armpit; 48, the armrest box.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a movable auxiliary lift chair, including a seat body 1, and the seat body 1 includes a seat 2, a seat back 3, two support plates 4, and two chair legs 5 and two chair wheels 6, a seat back 3 is fixed on one side of the top of the seat 2, a support plate 4 is fixed on both sides of the top of the seat 2, and two are fixed on one side of the bottom of the seat body 1 Chair legs 5, the bottom ends of the two chair legs 5 are fixedly provided with universal wheels 7, and both ends of one side of the seat back 3 are fixedly provided with sliding rails 19, and the two sliding rails 19 are respectively slidably connected with the two sliding plates 20. One end of the two sliding plates 20 is fixedly provided with a connecting plate 21, one end of the two connecting plates 21 is fixedly provided with a handrail 13, and one side of the two connecting plates 21 is fixedly connected with the two sides of the supporting transverse plate 22 respectively, The bottom of one side of the support transverse plate 22 is fixedly provided with a rising bottom plate 23, and one side of the top of the rising bottom plate 23 is provided with two grooves, and one side of the inner wall of the two grooves is hingedly provided with a leg auxiliary plate 45, and the seat back 3 The middle part of one side is provided with a plate groove 27, one end of both sides of the seat 2 is fixedly provided with a first rotating shaft, one end of the two first rotating shafts are respectively connected with one end of the two chair wheels 6 in rotation, and one of the supporting plates 4 is rotatably connected. A screw seat 8 is fixed on one side, the middle part of the screw seat 8 is threadedly connected with the middle part of the first screw 9, and one side of the outer wall of the first screw 9 is sleeved with a first gear 10. The side meshes with the middle of the worm 11, one end of the worm 11 is rotatably connected with the first bearing, the first bearing is fixedly arranged inside the first bearing seat 12, and the first bearing seat 12 is fixedly arranged at one of the bottom ends of one of the handrails 13. The other end of the worm 11 is fixedly provided with a first bevel gear 14, the first bevel gear 14 is meshed with the second bevel gear 15, the second bevel gear 15 is sleeved in the middle of the rotating shaft 16, and the top end of the rotating shaft 16 is fixedly provided There is a rotating handle 17, and the bottoms of the two supporting plates 4 are fixedly provided with second rotating shafts. The two second rotating shafts are respectively connected with one end of the two first connecting rods 18 in rotation. The other end of one side is respectively rotatably connected with both ends of the first horizontal shaft 24, and the two ends of the first horizontal shaft 24 are respectively rotatably connected with the middle of the two second bearing seats, and the two second bearing seats are fixedly arranged on the The top of one side of the getting up auxiliary plate 25, the two sides of the outer wall of the first horizontal shaft 24 are respectively connected with one end of the two second connecting rods 26, and the other ends of the two second connecting rods 26 pass through the plate groove 27, and are connected with each other. The two ends of the second horizontal shaft 28 are inserted and connected, the middle part of the second horizontal shaft 28 passes through the third bearing seat, and the third bearing seat is fixedly arranged on the top of one side of the moving block 29, and the middle part of the moving block 29 is provided with a threaded hole , the threaded hole is threadedly connected to the middle of the second lead screw 30, one end of the second lead screw 30 is rotatably connected to one end of the third shaft seat, the other end of the second lead screw 30 is inserted and connected to the fourth bearing seat, and the third The bearing seat and the fourth bearing seat are respectively fixed on the bottom of the other side of the seat back 3 and the top of the other side of the seat back 3, the other end of the second lead screw 30 is fixedly provided with a third bevel gear 31, the third bevel gear 31 meshes with the fourth bevel gear 32, and the fourth bevel gear 32 is sleeved on the third In the middle of the horizontal shaft 33, the two ends of the third horizontal shaft 33 are respectively connected to one end of the two fifth bearing seats. One end of the horizontal shaft 33 is rotatably connected to one end of the first pulley 34 through one of the fifth bearing seats. Rotationally connected, and the fourth rotating shaft is fixedly arranged on the top of one side of the seat back 3, the other end of the second pulley 35 is fixedly connected with one end of the second gear 36 through the connecting rod, and one side of the second gear 36 meshes with the rack 37 , the rack 37 is fixedly arranged on one side of the vertical plate 38 , and the vertical plate 38 is fixedly arranged on the top of one end of the getting-up auxiliary plate 25 .

Preferably, the tops on one side of the two chair legs 5 are respectively fixedly connected with one end on both sides of the lower bottom plate 39 , and two first support seats 40 are fixed on one side of the top of the lower bottom plate 39 . One side is hinged with one end of the two first support rods 41 respectively, one end of the two first support rods 41 is hinged with one end of the two second support rods 42 respectively, and the other ends of the two second support rods 42 are respectively connected with the two One end of the two second support bases 43 is hinged, and the two second support bases 43 are respectively fixed on both sides of the bottom end of the rising bottom plate 23 , and the middle of one side of the two second support rods 42 is hingedly provided with a third support rod 44 , one end of the two third support rods 44 is hinged with the two connecting ears respectively, and the two connecting ears are respectively fixed on one end of the two sides of the leg auxiliary plate 45, and this part lifts the buttocks of the elderly, and the two connecting ears are respectively fixed on one end of the two sides of the leg auxiliary plate 45. The linkage mechanism at the bottom assists the follower during the ascent.

Preferably, both sides of the top of the seat 2 are fixedly provided with support columns 46, and the tops of the two support columns 46 are fixedly provided with armrests 47 under the armpit, so that the elderly can protect the elderly during the process of sitting up. Avoid accidents.

Preferably, the outer parts of the two universal wheels 7 are fixedly provided with brake pads, which can increase the stability of the universal wheels 7 and the ground.

Preferably, the outside of the two handrail bars 13 are sleeved with handrail boxes 48 , and the tops of the handrail boxes 48 are provided with a bar slot, which not only supports the hands of the elderly, but also does not hinder movement.

In specific use, the utility model is a movable auxiliary lift chair. The universal wheel 7 is provided at the bottom end of the chair leg 5, and the universal wheel 7 has the function of braking and self-locking, so the universal wheel 7 can be increased to connect with the ground. To ensure stability, the elderly sit on the seat 2, and then manually rotate the rotary handle 17 to drive the second bevel gear 15 in the middle of the rotating shaft 16 to rotate. Since the second bevel gear 15 meshes with the first bevel gear 14, it drives the worm 11. Rotation, and because the middle of the worm 11 meshes with the first gear 10 at one end of the first lead screw 9, it can drive the armrest 13 to move upwards. This structure can use its self-locking function to improve the safety of the seat. When the rod 13 rises, the first connecting rod 18 rotates at a fixed point, so that the first horizontal shaft 24 on the other end of the two first connecting rods 18 moves forward in translation, and the forward movement of the first horizontal shaft 24 will Not only can it drive the assisting plate 25 to move forward, and have a certain thrust on the back of the elderly, the first horizontal axis 24 can also make the two second connecting rods 26 rotate and move forward, and then the two second connecting rods 26 drive the moving block. 29 slides upward, and the second lead screw 30 is matched with the moving block 29. Therefore, the moving block 29 slides upward to drive the second lead screw 30 to rotate. The top of the second lead screw 30 is fixed with a third bevel gear 31 and The fourth bevel gear 32 in the middle of the third horizontal shaft 33 is meshed, so a 90-degree reversal can be achieved, so the first pulley 34 is driven to rotate, and the first pulley 34 and the second pulley 35 are connected by belt drive, thus driving the second pulley 34. The gear 36 rotates. Since the second gear 36 meshes with the rack 37 on the vertical plate 38, it can drive the bottom plate 23 to move upward, and this part lifts the hips of the elderly. The link mechanism at the bottom of the seat 2 is rising. During the process of auxiliary follower, and the two third support rods 44 drive the two leg auxiliary plates 45 to rotate, therefore, during the rising process, the two leg auxiliary plates 45 can be inclined downward to match the movement process of sitting up. Two underarm support armrests 47 provided on both sides of the top of the seat 2 can play a role in protecting the elderly during the process of sitting up and avoid accidents.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the present utility model, unless otherwise expressly specified and limited, for example, it may be a fixed connection, a detachable connection, or an integrated body; it may be a mechanical connection or an electrical connection; it may be a direct connection, or a It can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined, for those of ordinary skill in the art, the above terms can be understood according to the specific situation in this document. The specific meaning in the utility model.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A movable assisting chair, comprising a seat body (1), characterized in that the seat body (1) comprises a seat (2), a seat back (3), two support plates (4) ), two chair legs (5) and two chair wheels (6), one side of the top of the seat (2) is fixedly provided with a seat back (3), and both sides of the top of the seat (2) are A support plate (4) is fixedly provided, one side of the bottom end of the seat body (1) is fixedly provided with two chair legs (5), and the bottom ends of the two chair legs (5) are fixedly provided with a universal direction A wheel (7), both ends of one side of the seat back (3) are fixedly provided with slide rails (19), and the two slide rails (19) are respectively slidably connected with the two slide plates (20), and the two One end of the slide plate (20) is fixedly provided with a connecting plate (21), one end of the two connecting plates (21) is fixedly provided with a handrail (13), and one side of the two connecting plates (21) is fixedly provided with a handrail (13). They are respectively fixedly connected with the two sides of the supporting transverse plate (22), the bottom of one side of the supporting transverse plate (22) is fixedly provided with a lifting bottom plate (23), and one side of the top of the lifting bottom plate (23) is provided with two A groove, one side of the inner walls of the two grooves is hingedly provided with a leg auxiliary plate (45), the middle part of one side of the seat back (3) is provided with a plate groove (27), the seat (2) One end of both sides of ) is fixedly provided with a first rotating shaft, one end of the two first rotating shafts is respectively rotatably connected with one end of the two chair wheels (6), and one side of one of the supporting plates (4) is fixedly provided. There is a lead screw seat (8), the middle part of the lead screw seat (8) is threadedly connected with the middle part of the first lead screw (9), and a first gear is sleeved on one side of the outer wall of the first lead screw (9). (10), one side of the first gear (10) meshes with the middle of the worm (11), and one end of the worm (11) is rotatably connected to the first bearing, and the first bearing is fixedly arranged on the first bearing The inside of the seat (12), and the first bearing seat (12) is fixedly arranged on one side of the bottom end of one of the handrails (13), and the other end of the worm (11) is fixedly provided with a first bevel gear (14). ), the first bevel gear (14) meshes with the second bevel gear (15), the second bevel gear (15) is sleeved in the middle of the rotating shaft (16), and the top of the rotating shaft (16) A rotating handle (17) is fixedly provided, and the bottom of one side of the two supporting plates (4) is fixedly provided with a second rotating shaft, and the two second rotating shafts are respectively connected with one side of the two first connecting rods (18). One end of the first connecting rod (18) is rotatably connected with one end of the two first connecting rods (18), and the other ends of the two first connecting rods (18) are respectively rotatably connected with both ends of the first horizontal shaft (24), and the two ends of the first horizontal shaft (24) are respectively connected with the two ends of the first horizontal shaft (24). The middle parts of the two second bearing seats are rotatably connected, and the two second bearing seats are fixedly arranged on the top of one side of the getting-up auxiliary plate (25), and the two sides of the outer wall of the first horizontal shaft (24) are respectively connected with One end of the two second connecting rods (26) is inserted and connected, and the other ends of the two second connecting rods (26) are inserted and connected with the two ends of the second horizontal shaft (28) through the plate groove (27), The middle of the second horizontal shaft (28) passes through the third bearing seat , and the third bearing seat is fixedly arranged on the top of one side of the moving block (29), the middle of the moving block (29) is provided with a threaded hole, and the threaded hole is threaded with the middle of the second lead screw (30). One end of the second lead screw (30) is rotatably connected to one end of the third shaft seat, the other end of the second lead screw (30) is inserted and connected to the fourth bearing seat, and the third bearing seat and the fourth bearing seat are respectively fixed on the bottom of the other side of the seat back (3) and the top of the other side of the seat back (3), and the other end of the second lead screw (30) is fixedly provided with a third bevel gear (31), the third bevel gear (31) meshes with the fourth bevel gear (32), and the fourth bevel gear (32) is sleeved in the middle of the third horizontal shaft (33), the third bevel gear (32) The two ends of the horizontal shaft (33) are respectively connected with one end of the two fifth bearing seats, and the two fifth bearing seats are respectively fixed and arranged at the two ends of the top of the other side of the seat back (3). One end of the horizontal shaft (33) passes through one of the fifth bearing seats and is rotatably connected to one end of the first pulley (34), and the first pulley (34) is drivingly connected with the second pulley (35) through a belt, and the One end of the second pulley (35) is rotatably connected to one end of the fourth rotating shaft, and the fourth rotating shaft is fixedly arranged on the top of one side of the seat back (3), and the other end of the second pulley (35) passes through the connecting rod It is fixedly connected with one end of the second gear (36), one side of the second gear (36) is engaged with the rack (37), and the rack (37) is fixedly arranged on one side of the vertical plate (38), And the vertical plate (38) is fixedly arranged on the top of one end of the getting-up auxiliary plate (25). 2. A movable auxiliary lift chair according to claim 1, characterized in that: the tops on one side of the two described chair legs (5) are respectively fixedly connected with one end on both sides of the lower bottom plate (39), so Two first support seats (40) are fixed on one side of the top end of the lower bottom plate (39), and one side of the two first support seats (40) is respectively connected with one end of the two first support rods (41). Hinged, one end of the two first support rods (41) is hinged with one end of the two second support rods (42) respectively, and the other ends of the two second support rods (42) are respectively connected with the two second support rods (42). One end of the support base (43) is hinged, and the two second support bases (43) are respectively fixedly arranged on both sides of the bottom end of the getting-up base plate (23), and the middle part of one side of the two second support rods (42) Each of the third support rods (44) is hingedly provided, one end of the two third support rods (44) is hinged with the two connecting ears respectively, and the two connecting ears are respectively fixed on the leg auxiliary plate (45). ) on both sides. 3. A movable auxiliary lift chair according to claim 1, characterized in that: both sides of the top of the seat (2) are fixedly provided with support columns (46), and the two support columns ( The top of 46) is fixedly provided with underarm support handle (47). 4. A movable auxiliary lift chair according to claim 1, characterized in that: brake pads are fixed on the outside of the two universal wheels (7). 5. A movable assist lift chair according to claim 1, characterized in that: armrest boxes (48) are sleeved on the outside of the two arm bars (13), and the armrest boxes (48) ) are provided with a lever slot at the top.

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