CN216777444U - A linkage shift device - Google Patents

Abstract

The utility model discloses a linkage type shifting device, which comprises a shifting base; the support frame is arranged on the movable base; the linkage type bearing mechanism comprises a parallelogram lifting mechanism and a linkage displacement mechanism; the parallelogram lifting mechanism is arranged on the support frame; the linkage displacement mechanism is arranged on one side of the parallelogram lifting mechanism, which is far away from the support frame; the linkage displacement mechanism is assembled to convert the lifting motion of the parallelogram lifting mechanism into linear reciprocating motion so as to realize curvilinear motion similar to that of a person when the person is transferred in a sitting position. The utility model can simulate a person to complete the standing posture and the action process from the sitting posture state.

Description

A linkage shift device

technical field

The utility model relates to the technical field of displacement and exercise equipment, in particular to a linkage type displacement device.

Background technique

As our country gradually steps into an aging society, medical care and nursing for the elderly, especially those with limited mobility and lower extremity disabilities, have become a social problem that must be solved at present.

At present, the lifts on the market are mostly used to assist caregivers to transfer the user's position, such as transferring the user between sofas, beds, toilets, etc., but the existing shifting structure is complex and the operation is cumbersome, especially requiring nursing care Personnel assists in completing tedious wearing actions; in addition, there is no uniform standard height for sofas, seats, and beds on the market, and lifts in the traditional sense still stop at the fixed height stage, which makes it difficult to match the height of sofas, beds, and toilets , the overall nursing is still inconvenient, and it needs to be carried out by the nursing staff in the form of moving, carrying, and holding; in addition, the current lifts on the market still lack the auxiliary functions of standing up and walking.

In addition, the existing lift machine cannot well simulate the movement process of a person from a sitting state to a standing state, and cannot well simulate the movement process of a person from a standing state to a sitting state, which affects the use experience.

Utility model content

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a linkage type displacement device.

In order to achieve the above-mentioned purpose and other related purposes, the present utility model provides a linkage type displacement device, including:

mobile base;

a support frame, the support frame is arranged on the mobile base; and

Linkage bearing mechanism, including parallelogram lifting mechanism and linkage displacement mechanism;

the parallelogram lifting mechanism is arranged on the support frame;

The linkage displacement mechanism is arranged on the side of the parallelogram lifting mechanism away from the support frame;

The linkage displacement mechanism is assembled to convert the lifting motion of the parallelogram lifting mechanism into a linear reciprocating motion, so as to realize a curvilinear motion similar to that of a person sitting and standing transfer.

In an optional embodiment of the present invention, the linkage displacement mechanism includes a gear transmission component and a crank-slider mechanism;

The crank-slider mechanism includes a crank, a first connecting rod and a sliding part, one end of the crank is fixedly connected with the gear transmission part, the other end of the crank is hinged with one end of the first connecting rod, and the The other end of the first link is hinged with the sliding member, and the sliding member is slidably arranged at one end of the parallelogram lifting mechanism away from the support frame, and can perform linear reciprocating motion relative to the parallelogram lifting mechanism ;

The gear transmission part is provided on the parallelogram lifting mechanism, and the gear transmission part is assembled to convert the lifting motion of the parallelogram lifting mechanism into the rotation of the crank.

In an optional embodiment of the present invention, the parallelogram lifting mechanism includes a frame, a first connecting rod, a second connecting rod, a second connecting rod, a first linear actuator and two bearing rods; The frame is arranged on the upper end of the support frame, one end of the first connecting rod and the second connecting rod are respectively hinged on the frame, and the other ends of the first connecting rod and the second connecting rod are respectively hinged on the frame. Each is hinged on the second link, one end of the first linear actuator is hinged on the support frame or the frame, and the other end of the first linear actuator is hinged on the first linear actuator. A connecting rod or the middle of the second connecting rod, the frame, the first connecting rod, the second connecting rod and the second connecting rod form a parallelogram mechanism, and the two bearing rods are spaced apart The sliding parts are arranged on both sides of the end of the second link away from the support frame, and the sliding parts are slidably arranged on the two carrying rods, and can reciprocate linearly along the carrying rods.

In an optional embodiment of the present invention, the frame includes a frame body, a connecting piece and an angle adjustment assembly; the connecting piece is hinged with the frame body to form a rotating pair, and the first connecting rod , One end of the second connecting rod that is not hinged with the second connecting rod is hinged on the connecting piece, respectively, and the angle adjustment assembly is arranged between the frame body and the connecting piece; The angle adjustment component adjusts the angle between the frame body and the connecting piece, so as to realize the adjustment of the pitch angle of the parallelogram lifting mechanism.

In an optional embodiment of the present invention, the angle adjustment assembly includes a rotating member and a matching adjusting bolt and adjusting nut; the rotating member is rotatably arranged on the frame body; one end of the adjusting bolt A rotating pair is formed with the connecting piece, and the screw segment of the adjusting bolt passes through the rotating piece and is fixed by the adjusting nut.

In an optional embodiment of the present invention, the gear transmission component includes a first gear and a second gear that mesh with each other, and the diameter of the first gear is larger than the diameter of the second gear; the first gear The gear is fixedly mounted on the second connecting rod, and the axis of the first connecting rod or the hinge joint of the second connecting rod and the second connecting rod is collinear with the rotation axis of the first gear; The second gear is located on one side of the first gear, the second gear is rotatably arranged on the first connecting rod or the second connecting rod, and the second gear and the crank are not connected to each other. The hinged end of the first link is fixedly connected.

In an optional embodiment of the present invention, the sliding member includes an arm rest, or an elbow rest, or a suspension/binding member, or a combination of an arm rest and a suspension/binding member, or an elbow rest and a suspension/binding member. A combination of bundled parts.

In an optional embodiment of the present invention, the sliding member includes a chest auxiliary pad support.

In an optional embodiment of the present invention, the sliding member includes a height-adjustable armrest.

In an optional embodiment of the present invention, the height of the support frame is adjustable.

In an optional embodiment of the present invention, the linkage type displacement device further includes a bearing mechanism for the user to ride on, the bearing mechanism is arranged on the support frame and is located on the mobile base and the linked bearing mechanism.

In an optional embodiment of the present invention, the bearing seat mechanism includes a bearing seat bracket, a bearing seat, a guiding mechanism and a second linear actuator; the guiding mechanism is arranged on the bearing seat bracket, and the The guiding mechanism and the bearing bracket form a moving pair, the guiding mechanism can move up and down relative to the bearing bracket; the bearing seat is arranged on the guiding mechanism and can move synchronously with the guiding mechanism; the first Two linear actuators are arranged between the guide mechanism and the moving base, and the second linear actuator drives the guide mechanism to move up and down between the bearing seats to realize the lifting and lowering of the bearing seats. Height adjustment.

In an optional embodiment of the present invention, the mobile base includes a base, a first carrying base and a second carrying base, the two carrying bases and the base form a moving pair, and the two carrying bases The spacing between the bases is adjustable.

The linkage type bearing mechanism of the linkage type displacement device of the utility model is used in conjunction with the parallelogram lifting mechanism, the gear transmission component and the crank-slider mechanism. The sliding part can reciprocate in a straight line along a generally horizontal direction, to achieve a curved motion similar to that of a person sitting and standing, simulating the process of simulating a person from a sitting posture to a standing posture and simulating a person's action process from a standing posture to a sitting posture.

With the linkage type displacement device of the present invention, the user can realize the operation and use relatively simply through the side arm rests, the elbow rests, or/and the suspending/bundling parts, thereby reducing the operation of the caregivers.

The linkage type displacement device of the utility model can realize the coordinated use of the linkage type bearing mechanism and the opening and closing type bearing seat mechanism.

The linkage type displacement device of the utility model is aimed at people with different heights, and under the condition that the rotation range of the parallelogram lifting mechanism is guaranteed to be constant, the length of the support frame can be set to be adjustable in length, which is suitable for people with a wider range of heights. Suitable for more occasions.

The linkage type displacement device of the utility model can realize the function of displacement, and can provide the functions of walking assistance and weight reduction in a short time, and the user can realize the displacement simply and quickly.

Description of drawings

FIG. 1 is a perspective view of the linkage type displacement device of the present invention.

FIG. 2 is a partial enlarged schematic view of FIG. 1 .

FIG. 3 is a front view of the linkage type displacement device of the present invention.

FIG. 4 is a perspective view of the support frame of the linkage type displacement device of the present invention.

FIG. 5 is a diagram showing the relative position of the slider guide rail assembly and the support frame of the linkage type displacement device of the present invention.

FIG. 6 is a partial schematic view of the linkage type bearing mechanism of the linkage type displacement device of the present invention.

FIG. 7 shows another partial schematic view of the linkage type bearing mechanism of the linkage type displacement device of the present invention.

FIG. 8 is a perspective view showing a modified embodiment of the linkage type displacement device of the present invention.

FIG. 9 is a perspective view of another modified embodiment of the linkage type displacement device of the present invention.

Component label description

Mobile base 10, base 101, first carrying base 102, second carrying base 103, third connecting rod 104, fourth connecting rod 105, third linear actuator 106, slider rail assembly 107, guide rail 1071, slide Block 1072, hinge part 1073, support frame 20, first support frame 201, second support frame 202, fourth linear actuator 203, linkage type carrying mechanism 30, frame 301, frame body 3011, connecting piece 3012, Angle adjustment assembly 3013, first connecting rod 302, second connecting rod 303, second connecting rod 304, first linear actuator 305, bearing rod 306, crank connecting rod assembly 307, crank 3071, first connecting rod 3072, Gear transmission part 308, first gear 3081, second gear 3082, sliding part 309, armpit support 3091, auxiliary cushion support 3092, chest auxiliary cushion support 3093, open and close bearing mechanism 40, first bearing bracket 401, A bearing seat 402, a second bearing seat 403, a guide mechanism 404, a second linear actuator 405, a folding bearing seat mechanism 40', a bearing seat 406, a bearing seat body 4061, a bearing seat connecting rod 4062, a second bearing seat Bracket 407 , holding mechanism 408 , third link 4081 , fourth link 4082 , fifth linear actuator 4083 .

Detailed ways

The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other under the condition of no conflict.

It should be noted that the diagrams provided in the following embodiments are only to illustrate the basic concept of the present invention in a schematic way, and then only the components related to the present invention are shown in the diagrams instead of the number of components in the actual implementation, In the drawing of shape and size, the type, quantity and proportion of each component can be arbitrarily changed in actual implementation, and the component layout may also be more complicated.

Referring to FIGS. 1-6 , this embodiment introduces a linkage-type displacement device. The linkage-type displacement device includes a mobile base 10 , a support frame 20 and a linkage-type bearing mechanism 30 . The support frame 20 is disposed on the On the mobile base 10 , the linkage bearing mechanism 30 is arranged on the support frame 20 .

1 and 3, in this embodiment, the mobile base 10 includes a base 101 and two carrying bases, the two carrying bases and the base 101 respectively form a moving pair, and the two carrying bases The spacing between the bases is adjustable. Specifically, the two bearing bases are disposed on both sides of the base 101 , respectively as the first bearing base 102 and the second bearing base 103 , and the first bearing base 1021 and the base 101 form a A moving pair is formed between the second bearing base 103 and the base 101 , and the distance between the first bearing base 102 and the second bearing base 103 can be adjusted by a distance adjustment mechanism.

1-5, in this embodiment, the distance adjustment mechanism includes a slider guide rail assembly, a third connecting rod 104, a fourth connecting rod 105, a third linear actuator 106 and a slider guide rail assembly 107. The slider guide rail assembly 107 includes a guide rail 1071 , a slider 1072 and a hinge part 1073 , the guide rail 1071 and the slider 1072 are arranged inside the support frame 20 , and the slider 1072 is arranged on the guide rail 1071 can slide along the guide rail 1071, the hinge parts 1073 include three, which are respectively arranged on the three sides of the slider 1072, the three hinge parts 1073 are fixedly connected with the slider 1072, and The hinge member 1073 is arranged through a guide groove provided on the support frame 20 . One end of the third connecting rod 104 is hinged with the first bearing base 102, and the other end is hinged with a hinge member 1073; one end of the fourth connecting rod 105 is hinged with the second bearing base 103, and the other end is hinged with the second bearing base 103. One end is hinged with the other hinge member 1073; one end of the third linear actuator 106 is hinged on the base 101, and the other end is hinged with the third hinge member 1073, wherein the third linear actuator 106 is hinged with the third hinge member 1073. The hinge parts 1073 hinged with the three connecting rods 104 and the hinge parts 1073 hinged with the fourth connecting rod 105 are located on both sides of the hinge parts 1073 hinged with the third linear actuator 106 . The slider 1072 is driven to move up and down along the guide rail 1071 by the third linear actuator 106, so as to realize the synchronous expansion and contraction of the two carrying bases to adjust the distance between the two carrying bases.

It can be understood that, in some embodiments, the distance adjustment mechanism may also use a worm gear mechanism to adjust the distance between the two bearing bases.

In the specific setting, as shown in Figures 1 and 3, directional wheels or universal wheels or electric wheels with different installation heights can be set at the bottom of the two bearing bases (installed according to specific needs), or one or more can be determined according to specific needs. Multiple wheels with brake mechanism, this design can reduce the distance between the two bearing bases and the ground, which is suitable for more situations.

1-3, in this embodiment, the linked bearing mechanism 30 includes a parallelogram lifting mechanism and a linked displacement mechanism, and the parallelogram lifting mechanism is disposed on the support frame 20; the The linkage displacement mechanism is arranged on the side of the parallelogram lifting mechanism away from the support frame 20, and the linkage displacement mechanism is assembled to convert the lifting motion of the parallelogram lifting mechanism into a linear reciprocating motion, so as to achieve a human-like The curve movement when sitting and standing transfer, so as to simulate the human to complete the standing posture from the sitting posture and the action process of simulating the human from the standing posture to the sitting posture.

In this embodiment, the linkage displacement mechanism includes a gear transmission component 308 and a crank-slider mechanism. The crank-slider mechanism includes a crank 3071, a first connecting rod 3072 and a sliding part 309. One end of the crank 3071 is fixedly connected to the gear transmission part 308, and the other end 3071 is hinged to one end of the first connecting rod 3072. , the other end of the first link 3072 is hinged with the sliding member 309, and the sliding member 309 is slidably arranged on the end of the parallelogram lifting mechanism away from the support frame 20, and can be relative to the parallel The quadrilateral lifting mechanism performs linear reciprocating motion; the gear transmission part 308 is arranged on the parallelogram lifting mechanism, and the gear transmission part 308 is assembled to convert the lifting motion of the parallelogram lifting mechanism into the crank 3071 . turn.

1-3, in this embodiment, the parallelogram lifting mechanism includes a frame 301, a first connecting rod 302, a second connecting rod 303, a second connecting rod 304, and a first linear actuator 305 and two bearing rods 306; the frame 301 can be disposed on the upper end of the support frame 20 by welding or bolting, and one end of the first connecting rod 302 and the second connecting rod 303 are hinged to the On the frame 301, the other ends of the first connecting rod 302 and the second connecting rod 303 are respectively hinged to the second link 304, and one end of the first linear actuator 305 is hinged to the second connecting rod 304. On the support frame 20 or the frame 301, the other end of the first linear actuator 305 is hinged to the middle of the first connecting rod 302 or the second connecting rod 303, the frame 301, The first connecting rod 302 , the second connecting rod 303 and the second connecting rod 304 form a parallelogram mechanism, and the two bearing rods 306 are arranged at intervals away from the support of the second connecting rod 304 . The two sides of one end of the frame 20 form a U-shaped structure. The sliding member 309 is slidably arranged on the two bearing rods 306 and can reciprocate linearly along the bearing rods 306 through the first linear actuation. The actuator 305 realizes the height adjustment of the linkage type bearing mechanism 30 , thereby realizing the adjustment of the height of the bearing rod 306 . It should be noted that the frame 301 and the support frame 20 may be two independent parts that are assembled together by welding or bolting, or may be a whole, that is, the frame 301 is part of the support frame 20 .

Optionally, in order to adjust the pitch angle of the lift mechanism, an angle adjustment component 3013 for adjusting the pitch angle of the lift mechanism may be added to the frame 301 . Specifically, the frame 301 includes a frame body 3011, a connecting member 3012 and an angle adjusting component 3013; the connecting member 3012 is hinged with the frame body 3011 to form a rotating pair, the first connecting rod 302, the One end of the second connecting rod 303 that is not hinged with the second connecting rod 304 is hinged on the connecting piece 3012, and the angle adjustment component 3013 is arranged on the frame body 3011 and the connecting piece 3012 In between, the angle adjustment component 3013 is used to adjust the angle between the frame body 3011 and the connecting piece 3012, so as to change the pitch angle of the lifting mechanism, thereby changing the angle between the bearing rod 306 and the horizontal plane .

As an example, the angle adjustment assembly 3013 includes an adjustment bolt, an adjustment nut and a rotating member. The rotating member (for example, the rotating shaft disposed on the frame body 3011 in FIG. 2 ) is rotatably disposed on the frame body 3011, and the rotating member is provided with a screw segment for the adjustment bolt to pass through. Light hole; one end of the adjusting bolt and the connecting piece 3012 form a rotating pair, and the screw segment of the adjusting bolt passes through the light hole on the rotating piece and is fixed by the adjusting nut. The length of the screw segment of the adjusting bolt between the connecting piece 3012 and the rotating piece can be adjusted through the adjusting nut, so as to realize the adjustment of the angle between the frame body 3011 and the connecting piece 3012. adjustment, thereby changing the pitch angle of the lift mechanism, thereby changing the angle between the carrying rod 306 and the horizontal plane.

1, 3 and 6, in this embodiment, the gear transmission member 308 includes a first gear 3081 and a second gear 3082 that mesh with each other, and the diameter of the first gear 3081 is larger than that of the first gear 3081. The diameter of the second gear 3082, that is, the first gear 3081 is a large gear, and the second gear 3082 is a small gear. The first gear 3081 is fixed on the second connecting rod 304, and the axis at which the first connecting rod 302 (or the second connecting rod 303) is hinged with the second connecting rod 304 is the same as the The rotation axes of the first gear 3081 coincide; the second gear 3082 is located on one side of the first gear 3081, and the second gear 3082 is rotatably arranged on the first connecting rod 302 or the second connecting rod 303 and the second gear 3082 is fixedly connected to the end of the crank that is not hinged with the first connecting rod, so that when the first linear actuator 305 drives the parallelogram mechanism lifting mechanism to lift, the first The second gear 3082 drives the crank to rotate, so as to drive the crank-slider mechanism to move along the bearing rod 306 . As an example, in order to improve the tightness of the gear transmission part 308 and reduce the volume of the gear transmission part 308 , the first gear 3081 can be, for example, a sector gear.

1 , 3 and 6 , in this embodiment, the sliding member 309 includes two armpit brackets 3091 arranged at intervals, and the two armpit brackets 3091 are respectively located above a bearing rod 306 . The armpit 3091 is used to support the user's underarm. The user can easily complete the operation and use through the armpit rests 3091 on both sides, reducing the cumbersome binding operation.

1, 3 and 6, in this embodiment, the sliding member 309 further includes an auxiliary chest support 3093, and the auxiliary chest support 3093 is located between the two axillary supports 3091, And connected with two of the axillary brackets 3091. The chest auxiliary pad support 3093 corresponds to the position of the user's chest. The chest auxiliary support 3093 disposed forwardly can make the user's center of gravity move forward, preventing the danger of the user's center of gravity moving backward.

Referring to FIGS. 1 , 3 and 6 , in this embodiment, the sliding member 309 further includes two side auxiliary pad holders 3092 arranged at intervals, and the two side auxiliary pad holders 3092 are respectively located on a bearing The lower part of the rod 306 is used to assist the position of the pad against both sides of the user.

Referring to FIG. 7 , in an optional embodiment, the sliding member 309 further includes two armrests 3094 arranged at intervals, the armrests 3094 are arranged below the bearing bar 306 , and the armrests 3094 are used for The user holds it for support. The height of the armrest 3094 can be adjusted through the star-shaped handle corresponding to different hole positions to meet the needs of users who cannot have long arms.

It should be noted that, in some embodiments, the sliding member 309 can also use an elbow support instead of the arm support 3091, the elbow support is used to support the user's elbow, and the arm support is changed to an elbow support. Of course, a combination of elbow rests and suspending/tying parts can also be used.

It should be noted that, in some embodiments, the sliding member 309 can also use a hanging/binding member instead of the armpit 3091 . Of course, the combination of the arm rest 3091 and the suspension/binding component can also be directly used.

When in use, move the mobile base 10 to the user's position, adjust the height of the carrying rod 306 through the first linear actuator 305, place the carrying rod 306 under the user's armpit, and the caregiver or the user controls the first linear actuator. The actuator 305 lifts the height. During the driving process of the first linear actuator 305, the bearing rod 306 can maintain a certain attitude angle to achieve height lifting. During the height lifting process of the bearing rod 306, the sliding member 309 realizes a straight line along the bearing rod 306. Movement, to achieve linkage, a good simulation of the movement process of a person from a sitting state to a standing posture.

It should be noted that the support frame 20 can also be set to a length-adjustable structure as shown in FIG. 9 , so as to meet the needs of people with different heights. Specifically, the support frame 20 includes a first support frame 201 , a second support frame 202 and a fourth linear actuator 203 . The first support frame 201 is disposed on the base 101 of the mobile base 10 , so The lower end of the second support frame 202 is plugged on the first support frame 201, and a moving pair is formed between the second support frame 202 and the first support frame 202, and the fourth linear actuator One end of 203 is hinged with the first support frame 201, and the other end is hinged with the second support frame 202. The fourth linear actuator 203 can be used to adjust the insertion of the second support frame 202 into the first support frame. 201, so as to realize the adjustment of the height of the support frame 20.

Referring to FIGS. 1 and 3 , in this embodiment, the linkage type displacement device further includes an open and close bearing mechanism 40 , and the bearing mechanism 40 is for the user to sit on. The bearing seat mechanism 40 includes a first bearing seat bracket 401, a bearing seat, a guide mechanism 404 and a second linear actuator 405; the first bearing seat bracket 401 is disposed on the support frame 20 and located in the between the linkage type bearing mechanism 30 and the moving base 10; the guiding mechanism 404 is arranged on the first bearing seat bracket 401, and the guiding mechanism 404 and the first bearing seat bracket 401 form a moving pair, so The guide mechanism 404 can move up and down relative to the first bearing seat bracket 401 within a certain range to achieve height adjustment; the bearing seat is arranged on the guide mechanism 404 and can move up and down synchronously with the guide mechanism 404 ; The second linear actuator 405 is arranged between the guide mechanism 404 and the moving base 10, and one end of the second linear actuator 405 is connected to the base 101 of the moving base 10, so The other end of the second linear actuator 405 is connected to the middle of the guide mechanism 404, and the second linear actuator 405 is used to drive the guide mechanism 404 to move up and down relative to the first carrier bracket 401, In order to complete the adjustment of the height of the guide mechanism 404, the adjustment of the height of the bearing seat is completed, so as to meet the user's height adjustment requirements for the bearing seat.

Referring to FIGS. 1 and 3 , in this embodiment, the bearing base includes a first bearing seat 402 and a second bearing seat 403 that can be opened and closed with each other; the first bearing seat 402 and the second bearing seat The seats 403 are respectively located on both sides of the guide mechanism 404 and are respectively movably connected with the guide mechanism 404 . When the first bearing seat 402 and the second bearing seat 403 are closed, the bearing seat is in a supporting position, and a user can sit on the bearing seat, the first bearing seat 402 and the second bearing seat 403 When the bearing seat 403 is separated, the bearing seat is in the avoidance position, and the user enters or leaves the bearing seat from the space between the first bearing seat 402 and the second bearing seat 403 . Specifically, the first bearing seat 402 and the second bearing seat 403 are hinged with the guide mechanism 404 respectively, and the first bearing seat 402 and the second bearing seat 403 can respectively surround the guide mechanism 404 The rotation realizes the opening and closing movement, so that the bearing seat is converted between the support station and the avoidance station.

It can be understood that, in some embodiments, the first bearing seat 402 and the second bearing seat 403 may also form a moving pair with the guiding mechanism 404, respectively, and the first bearing seat 402 and the second bearing seat 403 The two bearing bases 403 can move toward each other along a straight line (that is, move toward each other) to realize the closing of the two, and the first bearing base 402 and the second bearing base 403 can move away from each other along a straight line ( That is, backward movement) to separate the two.

It can be understood that, in some embodiments, the second linear actuator 405 may not be provided, that is, the height of the bearing seat of the bearing seat mechanism 40 may be kept fixed.

When in use, the bearing mechanism 40 is used in conjunction with the linkage bearing mechanism 30. First, the first bearing seat 402 and the second bearing seat 403 are opened, and the linkage shifting device is pushed to the front of the user, and the linkage bearing mechanism 30 is used for pairing. The user lifts the height in a small range, and when the height is raised to a suitable height, the first bearing base 402 and the second bearing base 403 are closed, and then the linkage type bearing mechanism 30 is lowered to a suitable height through the first linear actuator 305 . In addition, the linkage type carrying mechanism 30 can also be used alone as a device for assisting the sit-stand transfer.

It should be noted that, in some embodiments, the folding bearing mechanism 40' shown in FIG. 8 may also be used to replace the opening and closing bearing mechanism 40 shown in FIGS. 1-3 . Specifically, as shown in FIG. 8 , the foldable bearing seat mechanism includes a second bearing seat bracket 407 , a bearing seat 406 and a holding mechanism 408 ; the second bearing seat bracket 407 can be fixed to the second bearing seat bracket 407 by welding or bolts On the support frame 20, the bearing seat 406 is movably connected to the bearing seat bracket, and the bearing seat 406 has a first station and a second station relative to the second bearing seat bracket 407. When the seat 406 is in the first station, the bearing seat 406 is used for supporting the user's buttocks when the user is riding; when the bearing seat 406 is in the second station, the bearing seat 406 is in the The folded state; the holding mechanism 408 is arranged between the second carrier bracket 407 and the carrier 406, and the holding mechanism 408 is assembled to keep the carrier 406 in the first position, And the bearing seat 406 can be released from the first working position.

As shown in FIG. 8 , the bearing base 406 includes a bearing connecting rod 4062 and a bearing seat body 4061 . One end of the bearing connecting rod 4062 is hinged with the second bearing seat bracket 407 , and the bearing seat body 4061 is movably mounted on the second bearing seat bracket 407 . The other end of the bearing link 4062 can be slid along the length direction of the bearing link 4062 to adjust the relative position of the bearing base body 4061 and the bearing link 4062 (eg, plugged into) the other end of the bearing link 4062 . Of course, the bearing body 4061 can also be fixedly connected with the other end of the bearing link 4062 .

As shown in FIG. 8 , the holding mechanism 408 includes a third link 4081, a fourth link 4081 and a fifth linear actuator 4083; one end of the third link 4081 is hinged to the middle of the bearing base, The other end of the third link 4081 is hinged with one end of the fourth link 4081; one end of the fifth linear actuator 4083 is hinged to the bearing bracket, the fifth linear actuator 4083 The other end is hinged with the middle of the fourth link 4081 or the third link 4081 . It should be noted that, in order to prevent the fifth linear actuator 4083 from interfering with other components of the holding mechanism 408 during operation, the fifth linear actuator 4083 is disposed on one side of the holding mechanism 408 .

It can be understood that, in some embodiments, the linkage type displacement device may also not be provided with the bearing mechanism 40 as shown in FIG. 9 . The linkage type bearing mechanism 30 can be used alone in conjunction with the armrest 3094, which can help the user to complete the standing process, and play a certain role in assisting the user to walk and reduce weight in a short period of time.

To sum up, the linkage type bearing mechanism of the linkage type displacement device of the present utility model, through the cooperation of the parallelogram lifting mechanism, the gear transmission component and the crank-slider mechanism, realizes the height adjustment through the parallelogram lifting mechanism. The sliding part of the crank-slider mechanism can reciprocate in a straight line along a generally horizontal direction, realizing a curved motion similar to that of a person sitting and standing, simulating a person from a sitting posture to complete a standing posture and simulating a person's action process from standing posture to sitting posture. With the linkage type displacement device of the present invention, the user can realize the operation and use relatively simply through the side arm rests, the elbow rests, or/and the suspending/bundling parts, thereby reducing the operation of the caregivers. The linkage type displacement device of the utility model can realize the coordinated use of the linkage type bearing mechanism and the opening and closing type bearing seat mechanism. The linkage type displacement device of the utility model is aimed at people with different heights, and under the condition that the rotation range of the parallelogram lifting mechanism is guaranteed to be constant, the length of the support frame can be set to be adjustable in length, which is suitable for people with a wider range of heights. Suitable for more occasions. The linkage type displacement device of the utility model can realize the function of displacement, and can provide the functions of walking assistance and weight reduction in a short time, and the user can realize the displacement simply and quickly.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

In the description herein, numerous specific details are provided, such as examples of components and/or methods, in order to provide a thorough understanding of embodiments of the present invention. However, one skilled in the art will recognize that embodiments of the invention may be practiced without one or more of the specific details or with other devices, systems, assemblies, methods, components, materials, parts, and the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of the embodiments of the invention.

Reference throughout this specification to "one embodiment," "an embodiment," or "a specific embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention, and Not necessarily in all embodiments. Thus, various appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any particular embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It should be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered part of the spirit and scope of the invention.

It should also be understood that one or more of the elements shown in the figures may also be implemented in a more discrete or integrated manner, or even removed as inoperable in certain circumstances or as may be useful according to a particular application. Provided.

Additionally, any identifying arrows in the accompanying drawings should be regarded as illustrative only and not restrictive unless expressly indicated otherwise. In addition, the term "or" as used herein is generally intended to mean "and/or" unless stated otherwise. Combinations of components or steps will also be considered to have been specified where the term is foreseen because the ability to provide separation or combination is unclear.

As used in the description herein and throughout the claims below, "a", and "the" include plural references unless otherwise specified. Likewise, as used in the description herein and throughout the claims below, unless otherwise specified, the meaning of "in" includes "in" and "on".

The above description of illustrated embodiments of the invention, including what is described in the Abstract, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. Although specific embodiments of the invention and examples of the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit of the invention, as those skilled in the art will recognize and appreciate and within range. As indicated, these modifications can be made to the present invention in light of the above description of the described embodiments of the present invention and are intended to be within the spirit and scope of the present invention.

The systems and methods have generally been described herein with details that are helpful in understanding the invention. Furthermore, various specific details have been given in order to provide a general understanding of the embodiments of the present invention. Those skilled in the relevant art will recognize, however, that embodiments of the invention may be practiced without one or more of the specific details, or with other devices, systems, accessories, methods, components, materials, parts, etc. Practice. In other instances, well-known structures, materials and/or operations have not been specifically shown or described in detail to avoid obscuring aspects of the embodiments of the invention.

Thus, although the invention has been described herein with reference to specific embodiments thereof, freedom of modification, various changes and substitutions are also within the above disclosure, and it should be understood that, in certain circumstances, Some features of the present invention will be employed without the corresponding use of other features within the scope and spirit of the present invention. Therefore, many modifications may be made to adapt a particular environment or material to the true scope and spirit of the invention. It is not intended that the present invention be limited to the specific terms used in the following claims and/or the specific embodiments disclosed as the best modes contemplated for carrying out the present invention, but the present invention is to be included within the scope of the appended claims. Any and all embodiments and equivalents are within the scope of the claims. Accordingly, the scope of the present invention should be determined only by the appended claims.

Claims (10)

1. a linkage type displacement device, is characterized in that, comprises: mobile base; a support frame, the support frame is arranged on the mobile base; and Linkage bearing mechanism, including parallelogram lifting mechanism and linkage displacement mechanism; the parallelogram lifting mechanism is arranged on the support frame; The linkage displacement mechanism is arranged on the side of the parallelogram lifting mechanism away from the support frame; The linkage displacement mechanism is assembled to convert the lifting motion of the parallelogram lifting mechanism into a linear reciprocating motion, so as to realize a curvilinear motion similar to that of a person sitting and standing transfer. 2. The linkage type displacement device according to claim 1, wherein the linkage displacement mechanism comprises a gear transmission component and a crank-slider mechanism; The crank-slider mechanism includes a crank, a first connecting rod and a sliding part, one end of the crank is fixedly connected with the gear transmission part, the other end of the crank is hinged with one end of the first connecting rod, and the The other end of the first link is hinged with the sliding member, and the sliding member is slidably arranged at one end of the parallelogram lifting mechanism away from the support frame, and can perform linear reciprocating motion relative to the parallelogram lifting mechanism ; The gear transmission part is provided on the parallelogram lifting mechanism, and the gear transmission part is assembled to convert the lifting motion of the parallelogram lifting mechanism into the rotation of the crank. 3 . The linkage type displacement device according to claim 2 , wherein the parallelogram lifting mechanism comprises a frame, a first connecting rod, a second connecting rod, a second connecting rod, and a first linear actuator. 4 . and two carrying rods; the frame is arranged on the upper end of the support frame, one end of the first connecting rod and the second connecting rod are respectively hinged on the frame, the first connecting rod, the The other ends of the second connecting rods are respectively hinged on the second connecting rods, and one end of the first linear actuator is hinged on the support frame or the frame, and the first linear actuator The other end is hinged at the middle of the first connecting rod or the second connecting rod, and the frame, the first connecting rod, the second connecting rod and the second connecting rod form a parallelogram mechanism, The two carrying rods are arranged at intervals on both sides of the end of the second connecting rod away from the support frame, and the sliding member is slidably arranged on the two carrying rods and can be linearly arranged along the carrying rods Reciprocating motion. 4 . The linkage type displacement device according to claim 3 , wherein the frame comprises a frame body, a connector and an angle adjustment assembly; the connector and the frame body are hinged to form a rotating pair. 5 . , the ends of the first connecting rod and the second connecting rod that are not hinged with the second connecting rod are respectively hinged on the connecting piece, and the angle adjustment assembly is arranged on the frame body and the between the connecting pieces; the angle between the frame body and the connecting piece is adjusted by the angle adjustment assembly, so as to realize the adjustment of the pitch angle of the parallelogram lifting mechanism. 5 . The linkage type displacement device according to claim 3 , wherein the gear transmission component comprises a first gear and a second gear that mesh with each other, and the diameter of the first gear is larger than that of the second gear. 6 . diameter; the first gear is fixedly mounted on the second connecting rod, and the axis of the first connecting rod or the hinged joint between the second connecting rod and the second connecting rod is the same as the first gear The rotation axes of the two are collinear; the second gear is located on one side of the first gear, the second gear is rotatably arranged on the first connecting rod or the second connecting rod, and the second gear is fixedly connected with the end of the crank that is not hinged with the first connecting rod. 6. The linkage type displacement device according to claim 2, characterized in that, the sliding part comprises an arm rest, or an elbow rest, or a suspending/binding part, or a combination of an arm rest and a suspending/binding part, Or a combination of elbow rest and suspension/lashing parts. 7 . The linkage type displacement device according to claim 2 , wherein the sliding member comprises a height-adjustable armrest. 8 . 8 . The linkage type displacement device according to claim 1 , wherein the linkage type displacement device further comprises a bearing seat mechanism for a user to ride on, the bearing seat mechanism being arranged on the support frame. 9 . , and is located between the mobile base and the linkage bearing mechanism. 9 . The linkage type displacement device according to claim 8 , wherein the bearing seat mechanism comprises a bearing seat bracket, a bearing seat, a guide mechanism and a second linear actuator; the guide mechanism is arranged on the On the bearing seat bracket, the guide mechanism and the bearing seat bracket form a moving pair, the guiding mechanism can move up and down relative to the bearing seat bracket; the bearing seat is arranged on the guiding mechanism and can follow the guide The mechanism moves synchronously; the second linear actuator is arranged between the guide mechanism and the moving base, and the second linear actuator drives the guide mechanism to move up and down between the bearing bases To achieve the height adjustment of the bearing seat. 10 . The linkage type displacement device according to claim 1 , wherein the moving base comprises a base, a first carrying base and a second carrying base, and the two carrying bases and the base constitute a moving base. 11 . Vice, the distance between the two bearing bases is adjustable.

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