CN110721038A

CN110721038A - Shifting device

Info

Publication number: CN110721038A
Application number: CN201910991895.2A
Authority: CN
Inventors: 王润轩
Original assignee: ZHONGSHAN FUYOU MEDICAL EQUIPMENT Co Ltd
Current assignee: ZHONGSHAN FUYOU MEDICAL EQUIPMENT Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-01-24
Also published as: WO2021072911A1

Abstract

The invention discloses a shifter, comprising: chassis, setting are in seat frame subassembly, the setting of setting above the chassis with spiral elevating system between the seat frame subassembly, through spiral elevating system can adjust the spacing distance between chassis and the seat frame subassembly, and spiral elevating system adopts the principle of screw thread lift to go up and down the action, also can carry out the altitude mixture control to the seat frame subassembly when carrying personnel, and it is convenient to adjust, and can realize infinitely variable control, can adjust to arbitrary height at the altitude mixture control within range, and the suitability is strong, uses more convenient, and the result of use is better.

Description

Shifting device

Technical Field

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

Background

At present, in order to facilitate the movement of a patient with inconvenient actions, chinese patent No. CN201711074877.5, entitled a convenient toilet device, provides a toilet device which can be opened to facilitate the patient to take and move, but in the technical scheme disclosed in the patent, a multi-level lifting mechanism is adopted and a locking mechanism is required to be configured, the structure is complex, the lifting adjustment is troublesome, the height adjustment cannot be performed when the patient is carried, for example, the height position is changed when the patient is transferred from a bed to a sofa or a toilet, the technical scheme cannot meet the use requirements, and the seat height cannot be accurately adjusted by adopting the multi-level adjustment, the use range is limited, and the use effect is not good.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art, and provides a shifter which can adjust the height of a patient when the patient is carried, can adjust the height in a stepless manner and has better use effect.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a shifter, comprising: the lifting device comprises an underframe, a seat frame assembly arranged above the underframe and a spiral lifting mechanism arranged between the underframe and the seat frame assembly, wherein the spiral lifting mechanism can adjust the spacing distance between the underframe and the seat frame assembly.

One of the above technical solutions has at least one of the following advantages or beneficial effects: the principle that spiral elevating system adopted the screw thread to go up and down moves, also can carry out altitude mixture control to the seat frame subassembly when carrying personnel, and it is convenient to adjust, and can realize infinitely variable control, can adjust to arbitrary height at altitude mixture control within range, and the suitability is strong, uses more convenience, and the result of use is better.

According to some embodiments of the invention, the mount assembly includes first and second mounts disposed opposite one another and capable of relative rotation to facilitate movement to a bed or other location for open receiving a patient.

According to some embodiments of the invention, the seat frame assembly is slidably disposed on the base frame through a sliding mechanism to adjust the height of the seat frame assembly in cooperation with the screw elevating mechanism.

According to some embodiments of the present invention, the sliding mechanism includes a sliding rod and a sleeve sleeved on the sliding rod and capable of sliding fit with the sliding rod, one of the sliding rod and the sleeve is disposed on the bottom frame, the other is disposed on the seat frame assembly, and the seat frame assembly is disposed on the bottom frame through the fit between the sliding rod and the sleeve.

According to some embodiments of the invention, the slide bar is disposed on a chassis and the sleeve is disposed on a seat frame assembly.

According to some embodiments of the invention, the spiral lifting mechanism comprises a lifting frame, a lifting sleeve corresponding to the sliding rod is arranged on the lifting frame, the lifting sleeve is slidably sleeved on the sliding rod, the spiral lifting mechanism can drive the lifting frame to move up and down relative to the base frame, and can push the seat frame assembly to move upwards through the lifting frame, namely, the lifting frame directly pushes the seat frame assembly to move, so that the height adjustment of the seat frame assembly is realized.

According to some embodiments of the invention, the spiral lifting mechanism further comprises a screw rod rotatably arranged on the lifting frame or the base frame, and a nut corresponding to the screw rod and arranged on the base frame or the lifting frame, so that spiral lifting adjustment is realized.

According to some embodiments of the present invention, the screw is connected to a reversing connection mechanism to change the position of the rotation driving mechanism of the screw, the screw is generally vertically arranged or nearly vertically arranged according to the lifting direction, and the rotation driving mechanism of the screw can be extended to the side surface or the upper side of the shifter through the reversing connection mechanism, so that the rotation driving screw can be conveniently rotated to adjust the height.

According to some embodiments of the invention, the reversing connection mechanism comprises a worm and a worm wheel corresponding to the worm, the nut is fixedly arranged on the underframe, the screw is rotatably arranged on the lifting frame, the worm wheel is arranged on the screw, the worm is rotatably arranged on the lifting frame and can be meshed with the worm wheel, and the mechanism for driving the spiral lifting mechanism can be extended to the side surface of the shifter through the worm, so that the height adjustment is convenient.

According to some embodiments of the invention, a handle is attached to the worm to facilitate rotation of the worm to adjust the height of the carriage assembly.

According to some embodiments of the invention, the handle is a foldable handle to reduce the space occupied and facilitate movement of the shifter.

According to some embodiments of the invention, the two sets of sliding rods are arranged on the underframe, the first seat frame and the second seat frame are respectively provided with a sleeve corresponding to the two sets of sliding rods, and the two sides of the lifting frame are respectively provided with a lifting sleeve corresponding to the two sets of sliding rods, so as to improve the balance of lifting movement.

According to some embodiments of the invention, the rear sides of the first and second mounts are provided with push handles, respectively, to facilitate pushing of the displacer.

According to some embodiments of the invention, the first mount and/or the second mount are provided with a mounting seat that can be used for mounting a drip stand, so as to facilitate placement of the drip stand.

According to some embodiments of the invention, a locking device is disposed between the first seat frame and the second seat frame to facilitate locking of the first seat frame and the second seat frame, to prevent opening during riding, and to improve safety.

According to some embodiments of the invention, a plurality of rollers are disposed on the chassis to facilitate movement of the shifter.

According to some embodiments of the present invention, a back cushion and an armrest are provided on the first seat frame and the second seat frame, respectively, to improve the comfort of a passenger.

Drawings

The invention is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is an exploded view of a spiral lifting mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a backside structure of an embodiment of the present invention;

fig. 5 is a schematic structural view of the opened embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1, a shifter includes: chassis 1, setting are in seat frame subassembly, the setting of chassis 1 top chassis 1 with spiral elevating system 3 between the seat frame subassembly, through spiral elevating system 3 can adjust the spacing distance between chassis 1 and the seat frame subassembly, and spiral elevating system adopts the principle of screw thread lift to go up and down the action, also can carry out altitude mixture control to the seat frame subassembly when carrying personnel, and it is convenient to adjust, and can realize infinitely variable control, can adjust to arbitrary height in the altitude mixture control within range, and the suitability is strong, uses more convenience, and the result of use is better.

According to some embodiments of the present invention, as shown in figures 1 and 5, the mount assembly includes a first mount 21 and a second mount 22 that are disposed opposite each other and are capable of relative rotation to facilitate moving them to a bed or other location for open receiving a patient.

According to some embodiments of the present invention, as shown in fig. 1, the first seat frame 21 and the second seat frame 22 are folded to leave a space in the middle for the patient to go to the toilet. In addition, a toilet can be arranged at the bottom of the seat frame assembly to facilitate the use of the patient.

According to some embodiments of the present invention, the seat frame assembly is slidably disposed on the base frame 1 through a sliding mechanism to adjust the height of the seat frame assembly in cooperation with the screw elevating mechanism 3.

Of course, in the implementation process, the seat frame assembly may not be directly connected to the base frame 1, but may be directly disposed on the screw elevating mechanism 3, and may also be adjusted to be elevated, which is not described in detail herein.

According to some embodiments of the present invention, as shown in fig. 2, the sliding mechanism includes a sliding rod 11 and a sleeve 23 sleeved on the sliding rod 11 and capable of slidably fitting with the sliding rod 11, one of the sliding rod 11 and the sleeve 23 is disposed on the bottom frame 1, the other is disposed on the seat frame assembly, and the seat frame assembly is disposed on the bottom frame 1 through the fitting of the sliding rod 11 and the sleeve 23.

According to some embodiments of the present invention, as shown in fig. 2, the sliding rod 11 is disposed on the chassis 1, and the sleeve 23 is disposed on the seat assembly, however, in the implementation process, the sliding rod 11 may be disposed on the seat assembly, and the sleeve 23 may be disposed on the chassis 1, which will not be described in detail herein.

According to some embodiments of the present invention, as shown in fig. 2 and 3, the screw lifting mechanism 3 includes a lifting frame 31, a lifting sleeve 32 corresponding to the sliding rod 11 is disposed on the lifting frame 31, the lifting sleeve 32 is slidably sleeved on the sliding rod 11, the screw lifting mechanism 3 can drive the lifting frame 31 to move up and down relative to the base frame 1, and can push the seat frame assembly to move up through the lifting frame 31, that is, the lifting frame 31 directly pushes the seat frame assembly to move, so as to adjust the height of the seat frame assembly.

According to some embodiments of the present invention, as shown in fig. 3, the screw lifting mechanism 3 further includes a screw 33 rotatably disposed on the lifting frame 31 or the base frame 1, and a nut 34 disposed on the base frame 1 or the lifting frame 31 corresponding to the screw 33, so as to achieve screw lifting adjustment.

According to some embodiments of the present invention, as shown in fig. 2, an extension pipe 341 is disposed on the chassis 1, the nut 34 is fixedly disposed on the extension pipe 341, and a space capable of accommodating the screw 33 is disposed in the extension pipe 341 to prevent the screw 33 from being exposed.

Of course, in the implementation process, the spiral lifting mechanism 3 may not be provided with a lifting frame, the screw 33 of the spiral lifting mechanism 3 is rotatably arranged on the base frame component or the base frame 1, and the nut 34 is arranged on the base frame 1 or the base frame component, so that the lifting adjustment can be realized.

In addition, in the implementation process, the screw 33 can be fixedly installed, the nut 34 can be rotatably arranged, and the lifting adjustment can also be realized, which is not described in detail herein.

According to some embodiments of the present invention, the screw 33 is connected to a reversing connection mechanism to change the position of the rotation driving mechanism of the screw 33, in a specific implementation process, the screw 33 is generally vertically arranged or nearly vertically arranged according to the lifting direction, and the rotation driving mechanism of the screw 33 can be extended to the side surface or the upper side of the shifter or the like through the reversing connection mechanism, so that the rotation driving screw 33 can be conveniently adjusted in height.

According to some embodiments of the present invention, as shown in fig. 3, the reversing connection mechanism includes a worm 35 and a worm wheel 36 corresponding to the worm 35, the nut 34 is fixedly disposed on the base frame 1, the screw 33 is rotatably disposed on the lifting frame 31, the worm wheel 36 is disposed on the screw 33, the worm 35 is rotatably disposed on the lifting frame 31 and can be engaged with the worm wheel 36, and the mechanism for driving the spiral lifting mechanism 3 can be extended to the side of the shifter through the worm 35, thereby facilitating the height adjustment.

Of course, in the implementation, the reversing connection mechanism may also be a universal joint mechanism, and a mechanism for driving the spiral lifting mechanism 3 may also be extended to the side of the shifter, which will not be described in detail herein.

According to some embodiments of the present invention, as shown in fig. 2, a handle 351 is connected to the worm 35 to facilitate the rotation of the worm 35 to adjust the height of the seat frame assembly.

According to some embodiments of the present invention, as shown in fig. 3, the handle 351 is a foldable handle to reduce the occupied space and facilitate the movement of the shifter.

According to some embodiments of the present invention, as shown in fig. 2, the sliding rods 11 are configured in two sets and are disposed on the base frame 1, the first seat frame 21 and the second seat frame 22 are respectively provided with sleeves 23 corresponding to the two sets of sliding rods 11, and the lifting frame 31 is respectively provided with lifting sleeves 32 corresponding to the two sets of sliding rods 11 on both sides thereof, so as to improve the balance of the lifting movement.

Of course, in the implementation process, a single slide bar 11 or more than 2 groups of slide bars 11 can be used, and will not be described in detail here.

According to some embodiments of the present invention, as shown in fig. 2, the rear sides of the first and

second seat frames

21 and 22 are respectively provided with a push handle 24 to facilitate pushing the shifter.

According to some embodiments of the present invention, as shown in fig. 1, the front sides of the first and

second mounts

21 and 22 are provided with a front handle 223 to facilitate moving the displacer.

According to some embodiments of the present invention, as shown in FIG. 2, the first mount 21 and/or the second mount 22 are provided with a mounting seat 25 that can be used to mount a drip stand to facilitate placement of the drip stand.

According to some embodiments of the present invention, as shown in fig. 4 and 5, a locking device 26 is disposed between the first seat frame 21 and the second seat frame 22 to lock the first seat frame 21 and the second seat frame 22 conveniently, so as to prevent the first seat frame 21 and the second seat frame 22 from being opened during the sitting process and improve the safety.

According to some embodiments of the present invention, as shown in fig. 1, a plurality of rollers 12 with braking function are disposed on the chassis 1 to facilitate the movement of the shifter and to stop the shifter by braking.

In the specific implementation process, the roller can be braked by a friction plate or a clamping brake, and the roller is a common structure in the field of rollers, and is not detailed here.

According to some embodiments of the present invention, as shown in fig. 1, the first seat frame 21 and the second seat frame 22 are respectively provided with a backrest cushion 221 and an armrest 222 to improve the comfort of the passenger.

It is readily understood by those skilled in the art that the above-described preferred modes can be freely combined and superimposed without conflict.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A shifter, comprising:

a chassis (1);

a seat frame assembly arranged above the underframe (1) and comprising a first seat frame (21) and a second seat frame (22) which are arranged oppositely and can rotate oppositely;

the spiral lifting mechanism (3) is arranged between the underframe (1) and the seat frame assembly, and the spacing distance between the underframe (1) and the seat frame assembly can be adjusted through the spiral lifting mechanism (3).

2. The shifter of claim 1,

the seat frame assembly is arranged on the bottom frame (1) in a sliding mode through a sliding mechanism.

3. The shifter of claim 2,

the sliding mechanism comprises a sliding rod (11) and a sleeve (23) which is sleeved on the sliding rod (11) and can be in sliding fit with the sliding rod (11), one of the sliding rod (11) and the sleeve (23) is arranged on the bottom frame (1), and the other is arranged on the seat frame component.

4. The shifter of claim 3,

spiral elevating system (3) include crane (31), be provided with lifting sleeve (32) that correspond with slide bar (11) on crane (31), lifting sleeve (32) slip suit is on slide bar (11), spiral elevating system (3) can drive crane (31) for chassis (1) lifting movement to can promote the seat frame subassembly rebound through crane (31).

5. The shifter of claim 4,

the spiral lifting mechanism (3) further comprises a screw rod (33) rotatably arranged on the lifting frame (31) or the base frame (1) and a nut (34) which corresponds to the screw rod (33) and is arranged on the base frame (1) or the lifting frame (31).

6. The shifter of claim 5,

the screw (33) is connected to a reversing connection mechanism.

7. The shifter of claim 6,

the reversing connection mechanism comprises a worm (35) and a worm wheel (36) corresponding to the worm (35), a nut (34) is fixedly arranged on the base frame (1), the screw rod (33) is rotatably arranged on the lifting frame (31), the worm wheel (36) is arranged on the screw rod (33), and the worm (35) is rotatably arranged on the lifting frame (31) and can be meshed with the worm wheel (36).

8. The shifter of claim 7,

the worm (35) is connected with a hand crank (351).

9. The shifter of claim 4,

the sliding rods (11) are provided with two groups and are arranged on the bottom frame (1), sleeves (23) corresponding to the two groups of sliding rods (11) are respectively arranged on the first seat frame (21) and the second seat frame (22), and lifting sleeves (32) corresponding to the two groups of sliding rods (11) are respectively arranged on two sides of the lifting frame (31).

10. The shifter of claim 1,

the rear sides of the first seat frame (21) and the second seat frame (22) are respectively provided with a push handle (24), the first seat frame (21) and/or the second seat frame (22) are/is provided with a plug-in mounting seat (25) capable of being used for plugging a drip stand, a locking device (26) is arranged between the first seat frame (21) and the second seat frame (22), and the bottom frame (1) is provided with a plurality of rollers (12) with a braking function.