阅读说明：本技术 一种移位机 (Shifting machine ) 是由 彭志峰 彭水平 刘少科 孙伟红 于 2021-08-12 设计创作，主要内容包括：本发明提供一种移位机,其包括升降装置、设置在升降装置一侧可拆卸的椅座装置、以及设置在升降装置另一侧并连接在升降装置底部用于支撑升降装置的移动装置,移动装置包括横杆和支撑架,支撑架包括前旋转支架、后旋转支架以及支撑杆,椅座装置包括框架部、靠背件、插接件以及锁扣部,升降装置包括相对设置的升降组件和位于相对设置的升降组件之间的转动组件,转动组件位于横杆内,升降组件包括第一固定管、伸缩管、安装座、螺杆、伸缩件。本发明的移位机,其通过从移动装置可折叠和椅座可拆卸对移位机进行收纳,方便对移位机进行运输,升降装置进行升降和椅座装置可打开方便老年人进入到框架部内或移动到床上。(The invention provides a shifter, which comprises a lifting device, a detachable seat device arranged on one side of the lifting device and a moving device arranged on the other side of the lifting device and connected to the bottom of the lifting device for supporting the lifting device, wherein the moving device comprises a cross rod and a support frame, the support frame comprises a front rotating support, a rear rotating support and a support rod, the seat device comprises a frame part, a backrest part, a plug connector and a locking part, the lifting device comprises lifting components arranged oppositely and rotating components arranged between the lifting components arranged oppositely, the rotating components are arranged in the cross rod, and each lifting component comprises a first fixed pipe, a telescopic pipe, an installation seat, a screw rod and a telescopic part. According to the shifting machine, the shifting machine can be folded from the moving device and the seat can be detached to store, so that the shifting machine is convenient to transport, the lifting device can lift, and the seat device can be opened, so that old people can conveniently enter the frame part or move to a bed.)

1. A shifter is characterized by comprising a lifting device, a detachable seat device arranged on one side of the lifting device, and a moving device arranged on the other side of the lifting device and connected to the bottom of the lifting device for supporting the lifting device;

the moving device comprises a cross rod and support frames arranged at two ends of the cross rod, each support frame comprises a front rotating support, a rear rotating support rotatably arranged on the front rotating support and a support rod fixedly connected to the rear rotating support, and the rear rotating support drives the support rod to rotate when rotating;

the seat device comprises a frame part, a backrest part, a plug connector arranged on the frame part and a locking part arranged on the backrest part;

the lifting device comprises a relatively arranged lifting assembly and a rotating assembly located between the relatively arranged lifting assemblies, the rotating assembly is located in the cross rod, the lifting assembly comprises a first fixed pipe, a telescopic pipe arranged on the outer periphery side of the first fixed pipe, a mounting seat arranged on the outer periphery side of the telescopic pipe, a screw rod arranged on the inner periphery side of the first fixed pipe and a telescopic piece fixedly connected with one end of the screw rod, the screw rod drives the telescopic pipe and the telescopic piece to move up and down, and the screw rod drives the rotating assembly to rotate.

2. The shifter of claim 1, wherein the support bracket further includes a first pin for rotational connection of the front and rear rotational brackets and a bolt for securing the front and rear rotational brackets.

3. The shifter of claim 1, wherein the frame portion includes a left-side seat and a right-side seat provided to be openable and closable with respect to the lift device, the left-side seat including a left base and a left armrest fixed above the left base, the right-side seat including a right base and a right armrest fixed above the right base;

the backrest part comprises a left side backup plate which is rotationally connected to the left armrest and a right side backup plate which is rotationally connected to the right armrest;

the left base, the right base, the left handrail and the right handrail are provided with plug connectors.

4. The shifting machine according to claim 3, wherein the locking portion comprises a first locking member and a second locking member;

the first locking component comprises a second pin connected in the left side backup plate, a limiting head arranged at one end of the second pin, and a spring limited between the second pin and the limiting head.

5. The shifting machine according to claim 4, wherein the second latch assembly comprises a safety latch comprising a safety tab connected to the left side backup plate and a safety catch connected to the right side backup plate.

6. The shifting machine according to claim 5, wherein the second locking assembly further comprises a fixing member, the fixing member is located above the safety lock, the fixing member comprises a first fixing seat connected to the left side backup plate, a second fixing seat connected to the right side backup plate, and a baffle rotatably connected to the first fixing seat, and the second fixing seat is provided with an L-shaped barb.

7. The shifter of claim 1, wherein the telescopic member comprises a rotating sleeve and a special-shaped fixed column connected in the rotating sleeve, one end of the rotating sleeve is fixed on the screw rod, and the special-shaped fixed column is telescopically connected in the rotating sleeve;

the rotating assembly comprises a worm and turbines which are oppositely arranged at two ends of the worm, and the turbines are vertically connected to the special-shaped fixing columns.

8. The shifting machine according to claim 7, wherein the lifting assembly is further provided with a second fixed pipe arranged below the outer periphery of the first fixed pipe, a first positioning seat arranged in the second fixed pipe and used for fixing one end of the first fixed pipe and fixedly connected with the second fixed pipe, and a second positioning seat arranged on the outer periphery of the other end in the telescopic pipe, wherein a threaded sleeve is arranged in the second positioning seat, and the screw rod is connected in the threaded sleeve.

9. The shifting machine according to claim 8, wherein the lifting assembly is further provided with a third positioning seat, the third positioning seat is positioned at the top of the first fixing pipe, and the threaded sleeve and the threaded rod are fixed on the third positioning seat.

10. The shifter of claim 9 wherein a flat bearing is further disposed within the second positioning socket, the screw being located within the flat bearing.

Technical Field

The invention relates to the field of medical equipment, in particular to a shifting machine.

Background

The shifter is used for assisting nursing personnel to shift the position of a user, can enable old people or leg wounded persons to safely shift among common seats, sofas, wheelchairs and water closets, improves the initiative of daily activities of the old people or patients with inconvenient legs and feet, simultaneously enables nursing work to be easier and safer, greatly reduces the working strength of the nursing personnel, and enables the whole process to be easy and pleasant. The machine of shifting among the prior art, the single structure of machine of shifting, mobile device, seat support device and elevating gear are integrative, when need not using the machine of shifting, the spatial area of machine of shifting is big, very accounts for the space, and medical personnel or when looking after personnel and removing old person or patient need a plurality of medical personnel or look after personnel to assist together and remove old person or patient, use inconvenient.

Therefore, it is desirable to provide a shifting machine to solve the above-mentioned technical problems.

Disclosure of Invention

The invention provides a shifter, which belongs to the prior art and has the problems that the structure of the shifter is single, a moving device, a seat device and a lifting device are all integrated, when a certain part or part of the shifter is damaged, the whole shifter needs to be moved to a maintenance position for repair, the space occupied by the shifter is large, the shifter is inconvenient to move remotely, and the maintenance is difficult.

In order to solve the technical problems, the technical scheme of the invention is as follows: a shifter comprises a lifting device, a detachable seat device arranged on one side of the lifting device, and a moving device which is arranged on the other side of the lifting device and connected to the bottom of the lifting device for supporting the lifting device;

the moving device comprises a cross rod and support frames arranged at two ends of the cross rod, each support frame comprises a front rotating support, a rear rotating support rotatably arranged on the front rotating support and a support rod fixedly connected to the rear rotating support, and the rear rotating support drives the support rod to rotate when rotating;

the seat device comprises a frame part, a backrest part, a plug connector arranged on the frame part and a lock catch part arranged on the backrest part;

the lifting device comprises a lifting assembly and a rotating assembly, wherein the lifting assembly is arranged oppositely, the rotating assembly is arranged between the lifting assembly, the lifting assembly comprises a first fixed pipe, a telescopic pipe, a mounting seat, a limiting assembly, a screw and a telescopic piece, the telescopic pipe is arranged on the outer peripheral side of the first fixed pipe, the mounting seat and the limiting assembly are arranged on the outer peripheral side of the telescopic pipe, the screw is arranged on the inner peripheral side of the first fixed pipe, the telescopic piece is fixedly connected with one end of the screw, the screw drives the telescopic pipe and the telescopic piece to move up and down, and the screw drives the rotating assembly to rotate through the telescopic piece.

In the invention, the support frame further comprises a first pin for rotationally connecting the front rotating bracket and the rear rotating bracket and a bolt for fixing the front rotating bracket and the rear rotating bracket.

In the invention, the frame part comprises a left seat and a right seat which can be opened and closed relative to the lifting device, the left seat comprises a left base and a left armrest fixed above the left base, and the right seat comprises a right base and a right armrest fixed above the right base;

the backrest part comprises a left side backup plate which is rotationally connected to the left armrest and a right side backup plate which is rotationally connected to the right armrest;

the left base, the right base, the left handrail and the right handrail are provided with plug connectors.

In the invention, the lock catch part comprises a first lock catch component and a second lock catch component;

the first locking component comprises a second pin connected in the left side backup plate, a limiting head arranged at one end of the second pin, and a spring limited between the second pin and the limiting head.

In the invention, the second lock catch component comprises a safety lock catch, and the safety lock catch comprises a safety insertion sheet connected to the left backup plate and a safety clamping groove connected to the right backup plate.

In the invention, the second lock catch assembly further comprises a fixing piece, the fixing piece is positioned above the safety lock catch, the fixing piece comprises a first fixing seat connected to the left side backup plate, a second fixing seat connected to the right side backup plate and a baffle rotatably connected to the first fixing seat, and the second fixing seat is provided with an L-shaped barb.

In the invention, the telescopic piece comprises a rotary sleeve and a special-shaped fixed column connected in the rotary sleeve, one end of the rotary sleeve is fixed on the screw rod, and the special-shaped fixed column is telescopically connected in the rotary sleeve;

the rotating assembly comprises a worm and turbines which are oppositely arranged at two ends of the worm, and the turbines are vertically connected to the special-shaped fixing columns.

In the invention, the lifting assembly is further provided with a second fixed pipe arranged below the outer periphery of the first fixed pipe, a first positioning seat arranged in the second fixed pipe and used for fixing one end of the first fixed pipe and fixedly connected with the second fixed pipe, and a second positioning seat arranged on the outer periphery of the other end of the telescopic pipe, wherein a threaded sleeve is arranged in the second positioning seat, and the screw rod is connected in the threaded sleeve.

In the invention, the lifting assembly is further provided with a third positioning seat, the third positioning seat is positioned at the top of the first fixing pipe, and the threaded sleeve and the screw rod are fixed on the third positioning seat.

In the invention, a plane bearing is further arranged in the second positioning seat, and the screw rod is positioned in the plane bearing.

Compared with the prior art, the invention has the beneficial effects that: according to the shifting machine, the moving device is arranged at the bottom of the lifting device, the seat device is arranged on one side of the lifting device, the supporting frame of the moving device is connected to the cross rod in a foldable mode, and the seat device is detachably connected to the lifting device, so that the shifting machine can be conveniently stored, the occupied space of the shifting machine is reduced, the shifting machine is convenient to carry or transport, the lifting device of the shifting machine can be lifted, the seat device can be opened, and medical staff or caregivers can conveniently move old people or patients to beds or vehicles, the burden of the medical staff or caregivers is relieved, and the medical staff and the caregivers can better take care of the old people or the patients.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.

Fig. 1 is a perspective view of the shifting machine of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is an exploded view of the mobile device of the shifting machine of the present invention.

Fig. 4 is a side view of the lift assembly of the present invention.

Fig. 5 is a cross-sectional view taken along line a-a of fig. 4.

FIG. 6 is a side view of the cross bar of the shifting machine of the present invention.

Fig. 7 is a cross-sectional view taken along line B-B of fig. 6.

Fig. 8 is a perspective view of the telescoping member of the shifting machine of the present invention.

Fig. 9 is a perspective view of the shifting machine of the present invention.

Fig. 10 is a partially enlarged view of a portion B in fig. 9.

Fig. 11 is a perspective view of the plug-in unit of the transfer machine according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The shifting machine in the prior art is single in structure, the moving device, the seat device and the lifting device are all integrated, when a certain part or part of the shifting machine is damaged, the whole shifting machine needs to be moved to a maintenance position for repair, the shifting machine occupies a large space, is inconvenient to move remotely, and is difficult to maintain.

The following is a preferred embodiment of the present invention for a shifting machine that can solve the above technical problems.

Referring to fig. 1, 2, 3, 4, 5, 6 and 7, wherein fig. 1 is a perspective view of a shifting machine of the present invention, fig. 2 is a partially enlarged view of a portion a of fig. 1, fig. 3 is an exploded view of a moving device of the shifting machine of the present invention, fig. 4 is a side view of a lifting assembly of the shifting machine of the present invention, fig. 5 is a sectional view taken along a-a cut line in fig. 4, fig. 6 is a side view of a cross bar of the shifting machine of the present invention, and fig. 7 is a sectional view taken along a B-B cut line in fig. 6.

In the drawings, elements having similar structures are denoted by the same reference numerals.

The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.

The invention provides a shifter, which comprises a lifting device 11, a seat device 13 which is detachably arranged on one side of the lifting device 11, and a moving device 12 which is arranged on the other side of the lifting device 11 and is connected to the bottom of the lifting device 11 for supporting the lifting device 11, wherein the moving device 12 comprises a cross rod 121 and support frames 122 arranged at two ends of the cross rod 121, the support frames 122 comprise a front rotating bracket 1221, a rear rotating bracket 1225 which is rotatably arranged on the front rotating bracket 1221, and a support rod 1222 which is fixedly connected on the rear rotating bracket 1225, when the rear rotating bracket 1225 rotates, the support rod 1222 is driven to rotate, the seat device 13 comprises a frame part 131, a backrest part 132, a plug connector 133 arranged on the frame part 131, and a locking part arranged on the backrest part 132, the lifting device 11 comprises a lifting component which is oppositely arranged and a rotating component which is positioned between the lifting components which are oppositely arranged, the lifting assembly comprises a first fixed pipe 1114, an extension pipe 1111 arranged on the outer periphery of the first fixed pipe 1114, a mounting seat 112 and a limiting assembly arranged on the outer periphery of the extension pipe 1111, a screw 1113 arranged on the inner periphery of the first fixed pipe 1114, and an extension member 1120 fixedly connected with one end of the screw 1113, the screw 1113 drives the extension pipe 1111 and the extension member 1120 to move up and down, the screw 1113 drives the rotating assembly to rotate through the extension member 1120, a moving device 12 is arranged at the bottom of the lifting device 11, the moving device 12 is used for supporting the moving device 12 and driving the moving device 12 to move, a seat device 13 is arranged on one side of the lifting device 11, the lifting device 11 is used for driving the seat device 13 to ascend and descend, the moving device 12 is fixedly connected with a support rod 1222 on a rear rotating bracket 1225, when the support rod 1222 is moved, the support rod 1222 drives the rear rotating bracket 1225 to move, the rear rotating bracket 1225 is rotatably connected with a front rotating bracket 1221, lifting device 11 is arranged on mobile device 12, seat device 13 is arranged on one side of lifting device 11, one end of screw 1113 is fixedly connected with telescopic piece 133, screw 1113 and telescopic piece 133 are both arranged in first fixed pipe 1114, first fixed pipe 1114 is arranged in telescopic pipe 1111, because the lifting components are arranged oppositely, when screw 1113 of lifting component on one side is driven, screw 1113 drives telescopic pipe 1111 and telescopic piece 1120 to move up and down, telescopic piece 1120 drives rotating component to rotate, rotating component drives lifting component on the other side to rotate, thereby realizing that lifting components arranged oppositely rotate simultaneously, frame part 131 is connected on lifting device 11 in a rotating way, backrest part 132 is connected on frame part 131 in a rotating way, lock catch part is used for locking backrest part 132 to prevent backrest part 132 from opening for supporting the back of the elderly, shifter is connected on lifting device 11 in a detachable way through seat device 13, support frame 122 passes through folding connection on horizontal pole 121, lifting device 11 realizes that the lifting unit of relative setting rotates simultaneously through rotating assembly, the folding connection of support frame of mobile device 12 is connected on lifting device 11 with seat support device 13 detachable on horizontal pole 121, the convenience is accomodate the aversion machine, reduce the occupation space of machine of shifting, thereby conveniently carry or transport the aversion machine, the lifting device 11 liftable and the seat support device 13 of machine of shifting can be opened, make things convenient for medical personnel or the personnel of looking after to remove old person or patient on the bed or the car, alleviate medical personnel or the personnel of looking after's burden, make medical personnel and the personnel of looking after can be better look after old person or patient.

The supporting frame 122 further includes a first pin 1223 for rotatably connecting the front rotating bracket 1221 and the rear rotating bracket 1225, and a bolt 1224 for fixing the front rotating bracket 1221 and the rear rotating bracket 1225, the front rotating bracket 1221 and the rear rotating bracket 1225 are rotatably connected by the first pin 1223, the installation method is simple, the rotation by the first pin 1223 can increase the smoothness of rotation, the rotation is prevented from being blocked while rotating, the bolt 1224 is used for fixing the front rotating bracket 1221 and the rear rotating bracket 1225, on one hand, the rear rotating bracket 1225 after being extended is prevented from being folded, on the other hand, the rear rotating bracket 1225 after being stored is prevented from being extended, so that the rear rotating bracket 1225 after being extended or stored can be stably connected to the front rotating bracket 1221.

Frame portion 131 includes a left seat 1311 and a right seat 1312 provided to be openable and closable with respect to lifting device 11, left seat 1311 includes a left base 1311a and a left armrest 1311b fixed above left base 1311a, right seat 1312 includes a right base 1312a and a right armrest 1312b fixed above right base 1312a, backrest member 132 includes a left arm rest 1321 rotatably coupled to left armrest 1311b and a right arm rest 1322 rotatably coupled to right armrest 1312b, left base 1311a, right base 1312a, left armrest 1311b, and right armrest 1312b are each provided with a connector 133, left seat 1311 and right seat 1312 are opened and closed for facilitating entry and exit of an elderly person or patient from a displacement machine, backrest member 132 is openable and closed for facilitating movement of an elderly person or patient who is impaired in motion from seat 131 to a vehicle or a bed, left base 1311a, right base 1312a, a left base 1312b, a right base 1312b, and a right armrest, The left arm rest 1311b and the right arm rest 1312b are each provided with a plug 133, and the seat device is further stably connected to the lifting device 11.

Referring to fig. 11, fig. 11 is a perspective view of the plug connector of the shifting machine of the present invention, in this embodiment, the plug connector includes a limiting post and a connecting post fixed on the limiting post.

Referring to fig. 9 and 10, fig. 9 is a perspective view of the shifting machine of the present invention, fig. 10 is a partially enlarged view of a portion B in fig. 9, the locking portion includes a first locking assembly and a second locking assembly, the first locking assembly includes a second pin connected to the left back plate 1321, a limiting head disposed at one end of the second pin, and a spring limited between the second pin and the limiting head, the spring is used to prevent the second pin from separating from the left back plate 1321, the second locking assembly includes a safety lock 212, the safety lock 212 includes a safety insert 2121 connected to the left back plate 1321 and a safety catch 2122 connected to the right back plate 1322, and the safety insert 2121 and the safety catch 2122 are disposed to fix the left back plate 1321 and the right back plate 1322 to prevent the left back plate 1321 and the right back plate 1322 from separating.

The second locking assembly further comprises a fixing piece 211, the fixing piece 211 is located above the safety lock catch 212, the fixing piece 211 comprises a first fixing seat 2111 connected to the left side backup plate 1321, a second fixing seat 2112 connected to the right side backup plate 1322 and a baffle 2113 rotatably connected to the first fixing seat 2111, the second fixing seat 2112 is provided with an L-shaped barb 2113a, the first fixing seat 2111 is arranged on the left side backup plate 1321, the second fixing seat 2112 is arranged on the right side backup plate 1322, the baffle 2113 is rotatably connected to the first fixing seat 2111, the baffle 2113 is rotated, the baffle 2113 is buckled on the barb 2113a of the second fixing seat 2112, and the baffle 2113 is prevented from being separated from the second fixing seat 2112.

Referring to fig. 8, fig. 8 is a perspective view of the telescopic member of the shifting machine of the present invention, the telescopic member 1120 includes a rotating sleeve 1120a and a special-shaped fixing post 1120b connected in the rotating sleeve 1120a, one end of the rotating sleeve 1120a is fixed on the screw 1113, the special-shaped fixing post 1120b is telescopically connected in the rotating sleeve 1120a, the rotating assembly includes a vortex rod 1212 and turbines 1211 disposed at two ends of the vortex rod 1212, the turbines 1211 are vertically connected to the special-shaped fixing post 1120b, the rotating sleeve 1120a is fixedly connected to the screw 1113, the special-shaped fixing post 1120b is rotatably connected to the rotating assembly, when the screw 1113 drives the rotating sleeve 1120a to rotate, the rotating assembly drives the lifting assembly at the other side to ascend and descend, so that the lifting assemblies at two opposite sides rotate simultaneously, the turbines 1211 is located at two ends of the vortex rod 1212, the turbines 1211 are respectively connected to the irregular fixing posts 1120b of the lifting assembly, and the irregular fixing posts 1120b drive the turbines 1211 to rotate.

The lifting assembly is further provided with a second fixed pipe 1112 arranged below the outer periphery of the first fixed pipe 1114, a first positioning seat 1115 arranged in the second fixed pipe 1112 and used for fixing one end of the first fixed pipe 1114 and fixedly connected with the second fixed pipe 1112, and a second positioning seat 1116 arranged on the outer periphery of the other end in the telescopic pipe 1111, wherein a threaded sleeve 1119 is arranged in the second positioning seat 1116, a screw 1113 is connected in the threaded sleeve 1119, the first fixed pipe 1114 is arranged above the second fixed pipe 1112, the first fixed pipe 1114 is arranged in the telescopic pipe 1111, one end of the screw 1113 is fixedly connected with the telescopic member 1120, the screw 1113 and the telescopic member 1120 are both arranged in the first fixed pipe 1114, the first positioning seat 1115 is arranged between the second fixed pipe 1112 and the telescopic pipe 1111, the first positioning seat 1115 is used for limiting the telescopic distance of the telescopic pipe 1111, and the second positioning seat 1116 is arranged at one end of the telescopic pipe 1111 and far away from the second fixed pipe 1112.

The lifting assembly is further provided with a third positioning seat 1118, the third positioning seat 1118 is located at the top of the first fixing pipe 1114, the threaded sleeve 1119 and the screw 1113 are fixed on the third positioning seat 1118, the third positioning seat 1118 is used for fixing the screw 1113 and the threaded sleeve 1119, the screw 1113 is connected in the threaded sleeve 1119, the screw 1113 is rotatably connected in the threaded sleeve 1119, and as the first fixing pipe 1114 is fixed, when the screw 1113 is rotated in the threaded sleeve 1119, the screw 1113 ascends and descends relative to the threaded sleeve 1119.

A plane bearing 1117 is further disposed in the second positioning seat 1116, the screw 1113 is located in the plane bearing 1117, and the plane bearing 1117 is used for balancing the horizontal direction of the screw 1113 and ensuring that the screw 1113 always keeps the same direction when rotating.

The working principle is as follows:

the shifter comprises a lifting device 11, a moving device 12 arranged at the bottom of the lifting device 11, and a seat device 13 arranged on one side of the lifting device 11, wherein the moving device 12 is used for supporting the lifting device 11 and driving the lifting device 11 to move, the lifting device 11 is used for driving the seat device 13 to ascend and descend, the moving device 12 comprises a cross rod 121 and a support frame 122 connected to two ends of the cross rod 121 and capable of being folded towards one side of the lifting device 11, the support frame 122 comprises a front rotating support 1221, a rear rotating support 12251, a first pin 1223 used for rotating between the front rotating support 1221 and the rear rotating support 1225, a support rod 1222 fixedly connected to the rear rotating support 1225, and a bolt 1224 used for fixing the rear rotating support 1225 after being stored or folded;

the seat assembly 13 includes a frame portion 131, a backrest 132, a locking portion and a connector 133, the frame portion 131 includes a left seat 1311 and a right seat 1312 openable and closable with respect to the lifting device 11, the left seat 1311 includes a left base 1311a, a left armrest 1311b, a right base 1312a and a right armrest 1312b, the left base 1311a, the left armrest 1311b, the right base 1312a and the right armrest 1312b are respectively provided with the connector 133, the connector 133 includes a limiting post 1331 and a connecting post 1332, the backrest 132 includes a left backrest 1321 and a right backrest 1312 openable and closable with respect to the left seat 1311 and the right seat 1312, the left backrest 1321 is rotatably disposed on the left seat 1311, the right backrest 1322 is rotatably disposed on the right seat 1312, the locking portion includes a first locking assembly and a second locking assembly, the first locking assembly includes a second pin disposed in the left backrest 1321, a limiting head disposed at one end of the pin, and a positioning head disposed at one end of the pin, And a spring located in the second pin, the second locking assembly includes a safety lock 212 and a fixing member 211, the safety lock 212 includes a safety insert 2121 disposed on the left backup plate 1321 and a safety slot 2122 disposed on the right backup plate 1322, the fixing member 211 includes a first fixing seat 2111 disposed on the left backup plate 1321, a second fixing seat 2112 disposed on the right backup plate 1322, a baffle 2113 rotatably disposed on the first fixing seat 2111, and the second fixing seat 2112 is provided with a barb 2113 a.

The lifting device 11 comprises lifting components arranged oppositely and a rotating component positioned between the lifting components arranged oppositely, the lifting device 11 comprises a first fixed pipe 1114, an extension pipe 1111 arranged at the outer periphery of the first fixed pipe 1114, a mounting seat 112 arranged at the outer periphery of the extension pipe 1111, a screw 1113 arranged in the first fixed pipe 1114, an extension member 1120 fixed at one end of the screw 1113, the extension member 1120 comprises a rotating sleeve 1120a and a special-shaped fixed column 1120b, a second fixed pipe 1112 positioned below the first fixed pipe 1114, a first positioning seat 1115 arranged between the first fixed pipe 1114 and the second fixed pipe 1112, a second positioning seat 1116 arranged in the extension pipe 1111 far away from the first positioning seat 1115, and a third positioning seat 1118 arranged at one end of the first fixed pipe 1114 far away from the second fixed pipe 1112, the screw sleeve 1119 is fixed in the third positioning seat 1118, a plane bearing 1117 is fixed in the second positioning seat 1116, one end of the screw 1113 is fixedly connected with the rotating sleeve 1120a, the special-shaped fixing column 1120b is sleeved in the rotating sleeve 1120a, the screw 1113 is positioned in the threaded sleeve 1119 and the plane bearing 1117, the rotating assembly comprises a worm 1212 and a turbine 1211, the turbine 1211 is arranged below the opposite lifting assembly, the turbine 1211 is fixedly connected with the special-shaped fixing column 1120b, the worm 1212 is positioned at two ends of the turbine 1211 which are oppositely arranged, and the worm 1212 and the turbine 1211 rotate synchronously.

When the height of the seat is to be adjusted, firstly, the screw 1113 is rotated, since the first telescopic tube 1111 and the planar bearing 1117 are fixed on the second positioning seat 1116, when the screw 1113 is rotated, the screw 1113 is rotated in the threaded sleeve 1119, the screw 1113 is raised and lowered relative to the threaded sleeve 1119, since the special-shaped fixing column 1120b is fixedly connected with the turbine 1211 and the special-shaped fixing column 1120b is sleeved with the rotating sleeve 1120a, when the screw 1113 is raised, the screw 1113 drives the rotating sleeve 1120a to be raised, since the shape of the special-shaped fixing column 1120b, when the rotating sleeve 1120a is raised in rotation, the rotating sleeve 1120a rotates to drive the special-shaped fixing column 1120b to rotate, the special-shaped fixing column 1120b drives the turbine 1211 to be rotated, the turbine 1211 drives the worm 1212 to be rotated, the worm 1212 drives the turbine 1211 on the other side to be rotated, when the lifting assembly is raised, the telescopic tube 1111, the second positioning seat 1116 and the planar bearing 1117 are raised, since the turbines 1211 arranged oppositely are located at both ends of the worm 1212, the rotation of the turbine 1211 on one side drives the turbine 1211 on the other side to rotate simultaneously, so that the oppositely arranged lifting components rotate synchronously, and the seat device 13 is connected to the lifting device 11 to ascend and descend synchronously.

When the elderly or the patients are to be moved to the bed, firstly, the lifting device 11 is adjusted to a set height, the second pin is pulled out to the side away from the right side backup plate 1322 in the first step, the safety insert 2121 is pulled out of the safety slot 2122 in the second step, the baffle 2113 is rotated upwards and rotated to the side away from the right side backup plate 1322 in the third step, the baffle 2113 is separated from the barb 2113a, the left side backup plate 1321 and the right side backup plate 1322 are opened, a passage for the elderly or the patients to withdraw is formed between the left side backup plate 1321 and the right side backup plate 1322, and the elderly or the patients are pulled out from the passage from the back of the passage by medical staff or caregivers, so that the elderly or the patients are moved to the bed, or the elderly or the patients are moved from the bed to the frame part 131.

When the shifting machine is to be stored, first, the left seat 1311 and the right seat 1312 are lifted up from the shifting machine, the plug 133 of the left base 1311a, the plug 133 of the right base 1312a, the plug 133 of the left armrest 1311b, and the plug 133 of the right armrest 1312b are separated from the mounting base 112 to separate the seat unit 13 from the elevating unit 11, thereby reducing the occupied space of the shifting machine, and further, the support bar 1222 of the lifting and moving unit 12 is fixed by tightening the bolt 1224 to fix the rotated rear rotating bracket 1225, thereby preventing the stored rear rotating bracket 1225 from further rotating when the support bar 1222 is moved, the rear rotating bracket 1225 is rotated on the front rotating bracket 1221 by the first pin 1223, and when the rear rotating bracket 1225 is rotated to a limited position, the rotated rear rotating bracket 1225 is fixed, thereby preventing the stored rear rotating bracket 1225 from further rotating, and the shifting machine adjusts the height of the seat unit 13 by the elevating unit 11, The seat device 13 can be opened to move the elderly or the patient from the seat device 13 to the bed or to move the elderly or the patient to the seat device 13, and to store the seat device 13 detachably and with the foldable base of the seat device.

This shift machine of preferred embodiment passes through the mobile device setting in elevating gear's bottom, the seat support device sets up one side at elevating gear, mobile device's support frame folding connection is connected on elevating gear with seat support device detachable on the horizontal pole, the convenience is accomodate the shift machine, reduce the occupation space of shifting the machine, thereby conveniently carry or transport the shift machine, the elevating gear liftable and the seat support device of shifting the machine can be opened, make things convenient for medical personnel or the personnel of looking after to move old person or patient to bed or on the car, alleviate medical personnel or the personnel of looking after's burden, make medical personnel and the personnel of looking after can be better look after old person or patient.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.