CN216091193U

CN216091193U - Linkage lifting shifting machine

Info

Publication number: CN216091193U
Application number: CN202121649932.0U
Authority: CN
Inventors: 陈如中
Original assignee: Jiangsu Renhe Medical Equipment Co ltd
Current assignee: Jiangsu Renhe Medical Equipment Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-22
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a linkage lifting shifter, which comprises a supporting component, a bottom frame, a lifting device connected with the supporting component and the bottom frame, wherein the bottom frame comprises two supporting rods arranged in parallel and a connecting rod connected with the two supporting rods, the lifting device comprises two outer sleeves arranged symmetrically and a lifting crank arranged on the outer sleeves, a trapezoidal screw rod is arranged in each outer sleeve, a linkage device is arranged in each connecting rod, the linkage device is connected with the lifting device to control the lifting device to move synchronously, the problem of complex operation in the lifting process of the existing shifter is solved, and the lifting device controlled by the linkage device is simple in operation, saves cost and is convenient to use.

Description

Linkage lifting shifting machine

Technical Field

The utility model relates to the field of nursing transportation equipment, in particular to a linkage lifting shifting machine.

Background

The elevating gear of current manual lift machine of shifting is mostly gone up and down by turbine worm cooperation drive, need the lift crank on simultaneous operation both sides to control during the use and go up and down, need use air spring control among the device, and the application is unstable in the air spring use, and easy to operate when operating personnel uses is improper to produce the potential safety hazard to the machine of shifting that uses the air spring is with higher costs, is unfavorable for using widely.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a linkage lifting and shifting machine which realizes synchronous lifting by connecting a linkage device and a lifting device so as to solve the problems that the lifting device of the prior shifting machine needs to simultaneously operate a lifting crank to control lifting in the using process, is inconvenient to use and unstable in lifting and has low use efficiency,

in order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a linkage machine of shifting that goes up and down, includes supporting component, bottom frame and connection supporting component, the elevating gear of bottom frame, the supporting component symmetry is provided with two, the bottom frame includes two parallel arrangement's bracing piece and fixes the connecting rod at the bracing piece front end, elevating gear includes the outer tube, set up in the interior sleeve pipe of outer tube bottom, trapezoidal lead screw, the lift crank of being connected with trapezoidal lead screw top, interior sleeve pipe top is provided with screw-nut, the outer tube goes up and down along with the rotation of both sides lift crank.

The screw rod is characterized in that a transmission rod sleeve is arranged on a screw rod below the screw rod nut, a linkage device is arranged in the connecting rod, the linkage device comprises a first bevel gear and a second bevel gear, the first bevel gear is connected with the bottom of the transmission rod sleeve, the second bevel gear is matched with the first bevel gear, the axis of the second bevel gear is horizontally arranged, a fixing rod is arranged between the two second bevel gears, fixing frames are arranged at two ends of the fixing rod, and bearings are arranged at the connecting positions of the fixing frames and the fixing rod.

The preferred structure of this scheme includes, and single supporting component includes the bedplate of fretwork, the back of the chair, the frame pipe of being connected with bedplate and the back of the chair, is provided with the lock card on the frame pipe, and two supporting component are through the mobile opening and shutting of lock card, and bottom frame rear end is fixed with the gyro wheel, and connecting rod side both ends are fixed with the running-board, and elevating gear bottom side is fixed with the truckle.

The optimized structure of the scheme also comprises a transmission rod sleeve which is of an inner hexagonal structure, fixed with the trapezoidal screw rod and synchronously moving with the trapezoidal screw rod, and a fixed shaft is arranged at the connecting position of the first bevel gear and the transmission rod sleeve.

As another preferable structure of this aspect, the lifting crank is preferably provided with 2 lifting devices, and may also be provided with 1 lifting device (only one lifting device is provided in the drawing).

As another preferred structure of this scheme, interior sleeve pipe bottom and bracing piece and connecting rod bottom surface are on same horizontal plane, and interior sleeve pipe bottom is fixed with bracing piece and connecting rod terminal surface.

As another preferable structure of the scheme, the upper side of the outer sleeve is provided with the handrail, the bottom of the handrail is fixed on the outer sleeve through the welding base, the connecting position of the welding base and the handrail is provided with the lock catch, and the handrail and the welding base can movably rotate through the lock catch.

The synchronous lifting device has the advantages that the linkage device is arranged to connect the lifting devices on the two sides, the lifting devices on the two sides can be synchronously lifted through arranging and operating the single lifting crank, the shifting machine is more stable in the lifting operation process through the linkage device and is convenient for nursing staff to operate, the lifting crank on the single-side lifting device is only needed to be shaken in the use process, the integral lifting or lowering of the shifting machine can be realized, and the synchronous lifting device is convenient to use.

Drawings

FIG. 1 is a schematic view of the preferred overall structure of the linkage lifting shifter of the present invention;

FIG. 2 is an internal cross-sectional view of the linked lift of the present invention;

FIG. 3 is a partial enlarged view of the interior A of the linkage lifting device;

in the figure: 1 supporting component, 2 bottom frames, 3 lifting devices, 4 rollers, 5 castors, 6 pedals, 1-1 chair back, 1-2 seat boards, 1-3 frame pipes, 1-4 locking clamps, 2-1 supporting rods, 2-2 connecting rods, 3-1 outer sleeves, 3-2 inner sleeves and 3-3 guide pipes, 3-4 handrails, 3-5 welding bases, 3-6 lock catches, 3-7 lifting cranks, 3-8 limit bolts, 3-9 transmission rod sleeves, 3-10 trapezoidal screw rods, 3-11 screw rod nuts, 3-12 limit nuts, 3-13 check nuts, 7-1 fixing frames, 7-2 first bevel gears, 7-3 second bevel gears, 7-4 fixing rods, 7-5 bearings and 7-6 fixing shafts;

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

The first embodiment is as follows:

referring to fig. 1 to 3, the lifting device comprises a support assembly, a bottom frame, a connecting support assembly and a lifting device of the bottom frame, wherein the support assembly is symmetrically provided with two support rods, the bottom frame comprises two support rods arranged in parallel and a connecting rod fixed at the front end of each support rod, the lifting device comprises an outer sleeve, an inner sleeve arranged at the bottom of the outer sleeve, a trapezoidal screw rod and a lifting crank connected with the top of the trapezoidal screw rod, only 1 lifting crank is arranged on the lifting device and can be arranged at the top of any outer sleeve, a screw nut is arranged at the top of the inner sleeve, the outer sleeve can ascend and descend along with the rotation of the lifting crank, a transmission rod sleeve is arranged on a screw rod below the screw nut, a linkage device is arranged in the connecting rod and comprises a first bevel gear with a vertical axis connected with the bottom of the transmission rod sleeve, a second bevel gear matched with the first bevel gear and a horizontal axis of the second bevel gear, the fixing rod is arranged between the two second bevel gears, fixing frames are arranged at two ends of the fixing rod, bearings are arranged at the connecting parts of the fixing frames and the fixing rod, and the fixing frames limit the height of the fixing rod and are connected through the bearings to enable the fixing rod to rotate movably.

The further single supporting component comprises a hollowed-out seat board, a seat back and a frame pipe connected with the seat board and the seat back, a lock clamp is arranged on the frame pipe, the two supporting components can be movably opened and closed through the lock clamp, a notch is formed in the middle of the seat board when the emptied seat board is closed, a toilet can be placed under the notch to be used by people with mobility disabilities or a shifter is moved to the position of the toilet to enable the notch to be placed above the toilet to be used by patients, a roller is fixed at the rear end of the bottom frame, foot pedals are fixed at two ends of the side surface of a connecting rod, a trundle is fixed at the side surface of the bottom end of the lifting device, a transmission rod sleeve is of an inner hexagon structure, is fixed with the trapezoidal lead screw and moves synchronously with the trapezoidal lead screw, a limit nut and a check nut are arranged at the bottom of the trapezoidal lead screw to avoid the trapezoidal lead screw from being lifted too high and separated from the lead screw nut to limit the whole lifting height, and a fixed shaft is arranged at the connecting position of the first bevel gear and the transmission rod sleeve, the bottom of the inner sleeve is positioned on the same horizontal plane with the bottom surfaces of the support rod and the connecting rod, the bottom of the inner sleeve is fixed with the end surface of the support rod and the connecting rod, the bottom of the handrail is fixed on the outer sleeve through a welding base, a lock catch is arranged at the connecting position of the welding base and the handrail, the handrail and the welding base can movably rotate through the lock catch, a guide pipe is arranged on the outer side surface of the bottom of the outer sleeve, the upper end of the guide pipe is of an open structure, the guide pipe is provided with a circumferential bottom surface and forms a circumferential groove with the inner sleeve and the guide pipe, the outer sleeve is movably arranged in the guide pipe, the outer sleeve cannot further descend after descending into the guide pipe and stops descending, the descending height is limited, the bottom of the handrail is fixed on the outer sleeve through the welding base, the lock catch is arranged at the connecting position of the welding base and the handrail, and the handrail can movably rotate and reset in the welding base through the opening and closing of the lock catch, the lifting crank provides space for rotating, the lifting crank drives the trapezoidal screw to rotate, and the trapezoidal screw and the inner sleeve are fixed through the screw nut and the limiting bolt, so that the outer sleeve is jacked upwards when the trapezoidal screw rotates, the supporting component fixed with the outer sleeve rises, and the lifting crank is rotated reversely to enable the supporting component to fall when the supporting component falls.

When a patient needs to be moved from a hospital bed to a chair in the implementation process, the lock catch on the armrest is opened, the armrest is pulled down, then the lock catch at the rear end of the two frame pipes is opened, a space for the patient to pass through is formed in the middle of the symmetrical supporting components, the whole shifter is pushed to the bedside after the symmetrical supporting components are opened, then the supporting components are closed, the patient is positioned on the seat plate and leans against the chair back, the feet of the patient are placed on the pedal plate, the lock catch is locked, the lifting crank on the outer sleeve is shaken, the transmission rod on the other side is driven to rotate in the shaking process, the inner sleeve is pushed, pulled and extended in the rotating process of the trapezoidal screw to enable the supporting components to ascend, the supporting components ascend the patient from the hospital bed, the lock catch is reset on the armrest, the shifter is pushed by a nursing staff to move the patient to the chair position, the patient is moved by repeating the above operations, and the displacement of various occasions can be realized in the implementation process, through setting up awl tooth, dead lever realization both sides elevating gear's synchronous lift make the operation in-process only need operate single lift crank just can be with two elevating gear synchronous pull-up or reduction, make the lift process more stable and the nursing staff of being convenient for operate, improve the availability factor.

In summary, the present invention achieves the design objectives.

Claims

1. The utility model provides a linkage lift machine of shifting, includes supporting component (1), bottom frame (2) and connects supporting component, bottom frame's elevating gear (3), the supporting component symmetry is provided with two, bottom frame includes two parallel arrangement's bracing piece (2-1) and fixes connecting rod (2-2) at the bracing piece front end, elevating gear includes outer tube (3-1), set up in interior sleeve pipe (3-2) of outer tube bottom, trapezoidal lead screw (3-10), with lift crank (3-7) that trapezoidal lead screw top is connected, interior sleeve pipe top is provided with screw-nut (3-11), the outer tube goes up and down along with the rotation of lift crank, its characterized in that: the lead screw is characterized in that a transmission rod sleeve (3-9) is arranged on a lead screw below the lead screw nut, a linkage device is arranged in the connecting rod and comprises a first bevel gear (7-2) which is connected with the bottom of the transmission rod sleeve and is vertical in axis, a second bevel gear (7-3) matched with the first bevel gear, a fixing rod (7-4) is horizontally arranged in the axis of the second bevel gear and is arranged between the two second bevel gears, fixing frames (7-1) are arranged at two ends of the fixing rod, and a bearing (7-5) is arranged at the connecting position of the fixing frames and the fixing rod.

2. The linked lifting and shifting machine according to claim 1, characterized in that: the single supporting component comprises a hollowed-out seat plate (1-2), a chair back (1-1) and a frame pipe (1-3) connected with the seat plate and the chair back, a lock clamp (1-4) is arranged on the frame pipe, the two supporting components can be movably opened and closed through the lock clamp, rollers (4) are fixed at the rear end of a bottom frame, foot pedals (6) are fixed at two ends of the side face of a connecting rod, and casters (5) are fixed at the side face of the bottom end of the lifting device.

3. The linked lifting and shifting machine according to claim 1, characterized in that: the transmission rod sleeve (3-9) is of an inner hexagonal structure, is fixed with the trapezoidal screw rod (3-10) and moves synchronously with the trapezoidal screw rod, and a fixed shaft (7-6) is arranged at the connecting position of the first bevel gear (7-2) and the transmission rod sleeve.

4. The linked elevation and displacement machine according to claim 3, wherein: the lifting crank (3-7) is only required to be arranged on 1 lifting device and can be arranged at the top of any outer sleeve.

5. The linked lifting and shifting machine according to claim 2, characterized in that: the bottom of the inner sleeve (3-2) is positioned on the same horizontal plane with the bottom surfaces of the supporting rod (2-1) and the connecting rod (2-2), and the bottom of the inner sleeve is fixed with the end surfaces of the supporting rod and the connecting rod.

6. The linked lifting and shifting machine according to claim 1, characterized in that: the upper side of the outer sleeve is provided with a handrail, the bottom of the outer sleeve is fixed on the outer sleeve through a welding base (3-5), a lock catch (3-6) is arranged at the connecting position of the welding base and the handrail, and the handrail and the welding base can movably rotate through the lock catch.