CN215652243U - Shifting machine - Google Patents

Abstract

The utility model discloses a shifter, which comprises a support assembly, a bottom frame, and lifting devices connected with the support assembly and the bottom frame, wherein the two support assemblies are symmetrically arranged, each 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, the top of the inner sleeve is provided with a screw rod nut, the outer sleeve is lifted along with the rotation of the lifting cranks at the two sides, the problem of unstable lifting process of the conventional shifter is solved by arranging the trapezoidal screw rod with a self-locking function, the lifting device is arranged to enable the shifter to be more stable and bear larger load in the lifting process, the operation is simple, the cost is saved, and the wide application is facilitated.

Description

Shifting machine

Technical Field

The utility model relates to the field of nursing and transporting equipment, in particular to a shifting machine.

Background

The lifting device of the existing shifting machine is mostly driven to lift by the cooperation of a worm gear and a worm, the lifting is controlled by the air spring, the lifting in the lifting process of the shifting machine controlled by the air spring is unstable, the lifting efficiency of the worm gear and the worm gear is low, the worm gear and the worm gear are easy to deform or even damage when the load of the shifting machine is large, the cost of the lifting device using the worm gear as the shifting machine is high, and the lifting device is not beneficial to wide use.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a shifting machine to solve the problems that the lifting is unstable in the lifting process of using a worm gear as a lifting mechanism in the lifting device of the prior shifting machine, the shifting machine is easy to deform when bearing larger load and the cost is high,

in order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a shifting machine, includes supporting component, bottom frame and the elevating gear who connects supporting component, bottom frame, and the supporting component symmetry is provided with two, and elevating gear includes the outer tube, sets up in interior sleeve pipe, trapezoidal lead screw of outer tube bottom, the lift crank of being connected with trapezoidal lead screw top, and interior sleeve pipe top is provided with screw-nut, and the outer tube goes up and down along with the rotation of both sides lift crank.

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 components are movably opened and shut through the lock card, and the bottom frame includes that two parallel arrangement's bracing piece and level fix the connecting rod at the bracing piece front end, 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 preferred structure of this scheme still includes that trapezoidal lead screw bottom is provided with stop nut, and the stop nut below is provided with lock nut.

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 preferred structure of this scheme, the outer tube upside is provided with the handrail, but handrail bottom is through hasp and welding base locking angle of adjustment.

The utility model has the beneficial effects that the trapezoidal screw rod is used as the shifting machine of the lifting device, the trapezoidal screw rod with the self-locking function is arranged for lifting to ensure the stability and safety of the lifting process, the lifting height is easy to adjust in the lifting process, the manufacturing cost of the trapezoidal screw rod used as the lifting component of the shifting machine is low, the trapezoidal screw rod is convenient for a user to operate, and the integral lifting or lowering of the shifting machine can be realized only by simultaneously shaking the lifting crank in the using process.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the shifting machine of the present invention;

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

in the figure: the device comprises a support assembly 1, a bottom frame 2, a lifting device 3, rollers 4, castors 5, a pedal 6, a pedal, a chair back 1-1, a seat plate 1-2, a frame tube 1-3, a lock clamp 1-4, a support rod 2-1, a connecting rod 2-2, an outer sleeve 3-1, an inner sleeve 3-2, a guide tube 3-3, an armrest 3-4, a welding base 3-5, a lock catch 3-6, a lifting crank 3-7, a limit bolt 3-8, a trapezoidal screw rod 3-9, a screw nut 3-10, a limit nut 3-11 and a lock nut 3-12;

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 and 2, the shifter includes the supporting component, bottom frame and connection supporting component, the elevating gear of bottom frame, the supporting component symmetry is provided with two, single supporting component includes the bedplate of fretwork, the back of the chair, the frame pipe of being connected with bedplate and back of the chair, be provided with the latch on the frame pipe, but two supporting component are through the mobile opening and shutting of latch, form a breach in the middle of the bedplate when the bedplate that leaks closes, can place the chamber pot under the breach and supply the handicapped people to use or move the shifter to the closestool position and make the breach place the closestool top in and supply the disease to use, bottom frame includes two parallel arrangement's bracing piece and level and fixes the connecting rod at the bracing piece front end, bottom frame rear end is fixed with the gyro wheel, connecting rod side both ends are fixed with the running-board, elevating gear bottom side is fixed with the truckle. The patient is placed on the shifting machine through the opening and closing supporting component in the using process, the supporting component is lifted through operating the lifting device, and the rapid labor-saving shifting operation of the personnel with difficulty in moving is achieved.

Further, referring to fig. 1 and 2, 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, the top of the inner sleeve is provided with a screw nut, the outer sleeve is lifted along with the rotation of the lifting crank at two sides, a guide tube is arranged on the outer side surface at the bottom of the outer sleeve, the guide tube is provided with a circumferential bottom surface and is fixed with the inner sleeve to form a circumferential groove, 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 can be movably rotated and reset in the welding base through the opening and closing of the lock catch, space is provided for rotating the lifting crank, the two lifting cranks are simultaneously shaken to drive the trapezoidal screw rod to rotate, the outer sleeve is jacked through the rotation of the trapezoidal screw rod, so that the lifting device is elongated to lift the whole supporting component, and the bottom of the trapezoidal screw rod is provided with a limit nut, stop nut below is provided with lock nut, trapezoidal lead screw and screw-nut separation when avoiding going up and down too high, limit its rise height, limit the rise height, the lifting height is limited, when descending, the lifting crank of antiport makes supporting component descend, be provided with the stand pipe on the outer tube bottom lateral surface, the stand pipe upper end is open structure, the stand pipe is provided with the circumference bottom surface and forms a circumference shape recess with interior sleeve pipe is fixed with the stand pipe, the outer tube activity sets up in the stand pipe, the outer tube can't further descend after descending to in the stand pipe, the decline stops, restrict descending height.

In the implementation process, when a patient needs to be moved from a hospital bed to a chair, the locking clamp at the rear end of the two frame pipes is opened, the lock catch on the armrest is opened, the symmetrical support components are opened, the whole shifter is pushed to the bedside to enable the trunk of the patient to be placed in the middle of the support components, then the moving component is closed to enable the patient to be positioned on the seat plate and lean against the chair back, the locking clamp is locked, the two lifting cranks are shaken to rotate the trapezoidal screw rod to drive the trapezoidal screw rod to rotate, the trapezoidal screw rod and the inner sleeve pipe are fixed through the limiting bolt, the outer sleeve pipe is jacked upwards when the trapezoidal screw rod rotates, so that the support component fixed with the outer sleeve pipe is lifted, the patient is lifted away from the hospital bed after the support component is lifted, the lock catch is reset, the shifter is pushed by a nursing staff to move the patient to the chair position, the operation is repeated to realize the displacement of the patient, and the implementation process is not limited to the displacement of the patient from the hospital bed, can shift the patient from multiple devices, make the lift process more stable nursing staff's operation of being convenient for through setting up the lift of trapezoidal lead screw control machine of shifting, practice thrift the cost and be convenient for widely use.

Claims (6)

1. A shifter comprises a support component (1), a bottom frame (2) and a lifting device (3) for connecting the support component and the bottom frame, wherein two support components are symmetrically arranged,

the method is characterized in that: the lifting device comprises an outer sleeve (3-1), an inner sleeve (3-2) arranged at the bottom of the outer sleeve, a trapezoidal screw rod (3-9) and a lifting crank (3-7) connected with the top of the trapezoidal screw rod, a screw rod nut (3-10) is arranged at the top of the inner sleeve, and the outer sleeve is lifted along with the rotation of the lifting cranks at two sides.

2. The shifter of claim 1, wherein: 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, the bottom frame comprises two supporting rods (2-1) arranged in parallel and a connecting rod (2-2) horizontally fixed at the front ends of the supporting rods, rollers (4) are fixed at the rear end of the bottom frame, foot pedals (6) are fixed at two ends of the side face of the connecting rod, and casters (5) are fixed on the side face of the bottom end of the lifting device.

3. The shifter of claim 1, wherein: the handrail is arranged on the upper side of the outer sleeve, the bottoms of the handrails (3-4) are fixed on the outer sleeve through welding bases (3-5), the connecting positions of the welding bases and the handrails are provided with lock catches (3-6), and the handrails can movably rotate with the welding bases through the lock catches.

4. The shifter of claim 1, wherein: the bottom of the outer sleeve is provided with a guide pipe (3-3), the side face of the outer sleeve is fixed with the end face of the frame pipe, and the guide pipe is fixed with the inner sleeve.

5. The shifter of claim 1, wherein: and the bottom of the trapezoidal screw rod is provided with a limiting nut (3-11), and a check nut (3-12) is arranged below the limiting nut.

6. The shifter of claim 1, wherein: the bottom of the inner sleeve is positioned on the same horizontal plane with the bottom surfaces of the support rods and the connecting rods, and the bottom of the inner sleeve is fixed with the end surfaces of the support rods and the connecting rods.

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