CN212730257U - Shifting device - Google Patents

Abstract

The utility model provides a shifter. The walking stick solves the problem that a patient with inconvenient legs and feet usually needs to use a walking stick to move between a sickbed and a chair, and the patient is inconvenient to move. The utility model discloses the patient is through placing both feet on the swivel becket when using, including gripping through both hands on handrail and outer handrail, drive the relative bottom plate of swivel becket through the upper limbs and rotate the removal that realizes human position, and paste through the outer handrail of highly relatively lower during the use and lean on the chair, patient rotates to support through both hands after suitable position and removes the human body to the chair on outer handrail, can one move between sick bed and chair, the roller bearing that sets up between swivel becket and bottom plate changes the sliding friction between swivel becket and the bottom plate into rolling friction, it is more smooth and easy to make the rotation of swivel becket, and provide certain resistance to the swivel becket through the reduction gears that sets up between swivel becket and bottom plate, make the swivel becket rotate with a lower speed all the time, the security is higher.

Description

Shifting device

Technical Field

The utility model discloses equipment belongs to medical instrument technical field, in particular to shifter.

Background

With the aging of society, the proportion of the elderly and the patients with physical weakness is increasing. Many elderly and surgical patients are painful, physically infirm, and require a person to load or reposition with an instrument. In order to facilitate the movement of a patient with inconvenient movement, the patient with inconvenient legs and feet can change the current position by supporting and changing the direction through an instrument, for example, the patient with inconvenient legs and feet can be transferred to a seat from a bed, but the existing shifter is generally similar to a crutch, the patient with inconvenient legs and feet is still required to stand and then be supported through the crutch in practical use, the patient with inconvenient legs and feet is uncomfortable, the patient needs to move through the two feet which cannot be normally used, the upper limbs of the patient cannot be fully utilized, and the prior art has the improvement.

Disclosure of Invention

The utility model discloses the equipment removes comparatively inconvenient not enough when using the walking stick to the inconvenient patient of leg and foot, provides a shift ware that moves comparatively conveniently when using alone.

The invention aims to be realized by the following technical scheme: a shifter is characterized by comprising a bottom plate and a rotating ring which is movably arranged on the bottom plate and can rotate relative to the bottom plate, wherein an inner handrail and a plurality of outer handrails which are convenient to support are respectively and fixedly arranged on the bottom plate, the height of the inner handrail is greater than that of the outer handrail, the rotating ring is positioned between the inner handrail and the outer handrail, an annular groove is formed in the bottom plate, the groove gradually inclines towards the lower end of the bottom plate from inside to outside, a plurality of rotating grooves are formed in the groove, the rotating grooves are annularly and alternately arranged on the annular groove, a rolling shaft is movably arranged in the rotating grooves, a sliding groove matched with the groove is formed in the lower end of the rotating ring, the upper end face of the sliding groove is attached to the rolling shaft, an inner blocking ring and an outer blocking ring are respectively and fixedly arranged on the bottom plate, the inner blocking ring is attached to the end face, facing to the center of the bottom plate, of, the outer retaining ring is sleeved on the periphery of the roller, the lower end of the rotating ring is respectively provided with an inner clamping groove and an outer clamping groove which are used for clamping the inner retaining ring and the outer retaining ring, and a speed reducing mechanism is arranged between the rotating ring and the bottom plate.

Preferably, the speed reducing mechanism comprises a convex edge fixedly arranged on the periphery of the rotating ring and a guide groove arranged on the bottom plate, the guide groove is positioned right below the convex edge, a plurality of balls and a baffle plate used for separating two adjacent balls are movably arranged in the guide groove, the depth of the guide groove is greater than the diameter of the balls, and the balls are abutted against the lower end face of the convex edge.

Preferably, the outer handrails are arranged on the bottom plate at intervals.

Preferably, the outer handle is provided with three.

Compared with the prior art, the utility model has the advantages that when in use, a patient can move the position of the human body by placing two feet on the rotating ring and holding the inner handrail and the outer handrail by two hands, the upper limb drives the rotating ring to rotate relative to the bottom plate, and the outer handrail with relatively low height is attached to the chair when in use, the patient can support the outer handrail by two hands to move the human body to the chair after rotating to a proper position, the use is convenient, the patient can move between a sickbed and the chair by one person, the sliding friction between the rotating ring and the bottom plate is converted into the rolling friction by arranging the rolling shaft between the rotating ring and the bottom plate, the friction force is greatly reduced, the rotating ring can rotate more smoothly, and the reducing mechanism arranged between the rotating ring and the bottom plate provides certain resistance to the rotating ring, so that the rotating ring rotates at a lower speed all the time, the safety is high.

Drawings

FIG. 1 is a view of the overall structure of the present invention;

FIG. 2 is an overall structural view of the rotating ring and the inside of the base plate;

FIG. 3 is a bottom view of the rotating ring;

FIG. 4 is a cutaway view of the rotating ring after installation with the base plate;

fig. 5 is an enlarged view of a portion a in fig. 4.

The labels in the figure are: 1. a base plate; 2. a rotating ring; 3. an inner armrest; 4. an outer armrest; 5. an annular groove; 6. a rotating groove; 7. a roller; 8. a sliding groove; 9. an inner baffle ring; 10. an outer retainer ring; 11. an inner clamping groove; 12. an outer clamping groove; 13. a speed reduction mechanism; 14. a convex edge; 15. a guide groove; 16. a ball bearing; 17. and a baffle plate.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which: as shown in fig. 1, the shifter includes a base plate 1 and a rotating ring 2 movably disposed on the base plate 1 and capable of rotating relative to the base plate 1, wherein an inner handrail 3 and a plurality of outer handrails 4 are respectively fixedly disposed on the base plate 1, the height of the inner handrail 3 is greater than that of the outer handrail 4, and the rotating ring 2 is disposed between the inner handrail 3 and the outer handrail 4. During the use, a patient places two feet on the rotating ring 2, the inner handrail 3 and the outer handrail 4 are held by two hands, the rotating ring 2 is driven by upper limbs to rotate relative to the base plate 1 to realize the movement of the position of the human body, the outer handrail 4 with relatively low height is attached to a chair in use, the patient can move the human body to the chair on the outer handrail 4 by two hands after rotating to a proper position, and the use is convenient and can be moved between a sickbed and the chair by one person.

The outer armrests 4 are arranged in three and are arranged on the bottom plate 1 at intervals. When in use, the lower limbs can be directly placed on the rotating ring 2 after going over the outer armrests 4 or placed on the rotating ring 2 after passing through the gap between two adjacent outer armrests 4, so that the use is more convenient.

As shown in fig. 2 and 3, the bottom plate 1 is provided with an annular groove 5, the groove gradually inclines towards the lower end of the bottom plate 1 from inside to outside, a plurality of rotating grooves 6 are arranged on the groove, the rotating grooves 6 are arranged on the annular groove 5 at intervals in an annular shape, a rolling shaft 7 is movably arranged in the rotating groove 6, the lower end of the rotating ring 2 is provided with a sliding groove 8 matched with the groove, the upper end surface of the sliding groove 8 is attached to the rolling shaft 7, an inner baffle ring 9 and an outer baffle ring 10 are respectively and fixedly arranged on the bottom plate 1, the inner baffle ring 9 is attached to the end surface of the rolling shaft 7 facing the center of the bottom plate 1, the outer baffle ring 10 is sleeved on the periphery of the rolling shaft 7, an inner clamping groove 11 and an outer clamping groove 12 which are used for clamping the inner retaining ring 9 and the outer retaining ring 10 are respectively formed in the lower end of the rotating ring 2, and an upper speed reducing mechanism 13 is arranged between the rotating ring 2 and the bottom plate 1.

The rotating ring 2 is clamped between the inner retaining ring 9 and the outer retaining ring 10 through the inner clamping groove 11 and the outer clamping groove 12 to realize circumferential fixation between the rotating ring 2 and the bottom plate 1, the sliding groove 8 arranged on the rotating ring 2 is attached to the rolling shaft 7 to realize relative rotation between the rotating ring 2 and the bottom plate 1, the sliding friction between the rotating ring 2 and the bottom plate 1 is converted into rolling friction to greatly reduce the friction force, the rolling shaft 7 which is obliquely arranged enables the rolling shaft 7 to move towards the periphery of the bottom plate 1 under the action of gravity, the lower end of the rolling shaft 7 is always attached to the outer retaining ring 10, the upper end of the rolling shaft 7 is effectively prevented from contacting with the inner retaining ring 9, and the rolling shaft 7 can rotate more smoothly,

as shown in fig. 2, 4 and 5, the speed reducing mechanism 13 includes a flange 14 fixedly disposed on the outer periphery of the rotating ring 2 and a guide groove 15 opened on the bottom plate 1, the guide groove 15 is located right below the flange 14, a plurality of balls 16 and a baffle 17 for separating two adjacent balls 16 are movably disposed in the guide groove 15, the depth of the guide groove 15 is greater than the diameter of the balls 16, and the balls 16 are abutted on the lower end surface of the flange 14. When the rotating ring 2 rotates, the rolling balls 16 are driven to move between the two baffles 17 until the rolling balls 16 are contacted with the baffles 17, rolling friction between the rolling balls 16 and the bottom plate 1 is converted into sliding friction, resistance of rotation of the rotating ring 2 is increased, the rotating ring 2 always rotates at a lower speed, and safety is high.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (4)

1. A shifter is characterized by comprising a bottom plate and a rotating ring which is movably arranged on the bottom plate and can rotate relative to the bottom plate, wherein an inner handrail and a plurality of outer handrails which are convenient to support are respectively and fixedly arranged on the bottom plate, the height of the inner handrail is greater than that of the outer handrail, the rotating ring is positioned between the inner handrail and the outer handrail, an annular groove is formed in the bottom plate, the groove gradually inclines towards the lower end of the bottom plate from inside to outside, a plurality of rotating grooves are formed in the groove, the rotating grooves are annularly and alternately arranged on the annular groove, a rolling shaft is movably arranged in the rotating grooves, a sliding groove matched with the groove is formed in the lower end of the rotating ring, the upper end face of the sliding groove is attached to the rolling shaft, an inner blocking ring and an outer blocking ring are respectively and fixedly arranged on the bottom plate, the inner blocking ring is attached to the end face, facing to the center of the bottom plate, of, the outer retaining ring is sleeved on the periphery of the roller, the lower end of the rotating ring is respectively provided with an inner clamping groove and an outer clamping groove which are used for clamping the inner retaining ring and the outer retaining ring, and a speed reducing mechanism is arranged between the rotating ring and the bottom plate.

2. The shifter of claim 1, wherein the speed reducing mechanism comprises a flange fixedly arranged on the outer periphery of the rotating ring and a guide groove formed on the bottom plate, the guide groove is positioned right below the flange, a plurality of balls and a baffle plate for separating two adjacent balls are movably arranged in the guide groove, the depth of the guide groove is larger than the diameter of the ball, and the ball abuts against the lower end surface of the flange.

3. A displacer as claimed in claim 1, wherein the outer handrail is provided at spaced intervals on the base plate.

4. A displacer according to claim 3, characterized in that the outer handrail is provided with three.

Images