CN218899975U - Wheelchair auxiliary getting-on and getting-off device based on ambulance - Google Patents
Wheelchair auxiliary getting-on and getting-off device based on ambulance Download PDFInfo
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- CN218899975U CN218899975U CN202222846052.3U CN202222846052U CN218899975U CN 218899975 U CN218899975 U CN 218899975U CN 202222846052 U CN202222846052 U CN 202222846052U CN 218899975 U CN218899975 U CN 218899975U
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Abstract
The utility model discloses an ambulance-based wheelchair auxiliary boarding and alighting device, which comprises a base, a first linkage rod and rollers. The beneficial effects of the utility model are as follows: the bottom center department of the board that slides in this device is fixed with the linkage piece to run through in its center department and be provided with the screw, both ends center department is provided with the bearing frame about the supporting seat, be the rotation type between the bearing frame and be connected with the second screw rod, make the rescue personnel drive the board screw thread linkage that slides through rotating the second screw rod and make it horizontal migration on the supporting seat, and then realize the supplementary removal on the horizontal direction to the wheelchair, the one end center department of the base in this device is provided with the fixed plate, be the rotation type through the bearing on the fixed plate and be connected with two gears, the one end and one of them gear connection of first screw rod, and the diameter of this gear is greater than another gear, increase the moment of torsion of first screw rod through two gears, and then make the rescue personnel can laborsaving rotate first screw rod and drive the gangbar and carry out the linkage of crossing.
Description
Technical Field
The utility model relates to an auxiliary wheelchair boarding and alighting device, in particular to an auxiliary wheelchair boarding and alighting device based on an ambulance, and belongs to the technical field of auxiliary devices.
Background
The ambulance is a vehicle for rescuing patients, the interior of the modern ambulance is quite spacious, and besides the traditional stretcher can be stored, the wheelchair can be stored for patients who cannot walk, however, because the wheelchair and the patients on the wheelchair have heavy overall weight, the wheelchair needs to be lifted by ambulance staff to realize getting on or off, which wastes time and labor, and therefore, the wheelchair needs to be used for assisting the getting on or off device for assistance, so that the physical strength of the ambulance staff is saved.
However, the existing wheelchair-assisted boarding and disembarking devices have various problems:
1) When assisting the wheelchair, most of assisting devices only lift the wheelchair in the vertical direction, but cannot move the wheelchair to a certain extent in the horizontal direction, so that certain limitations exist;
2) Because auxiliary device needs to drive the wheelchair to go up and down, and the elevation structure adopts the linkage structure of crossing to link generally, but because wheelchair and patient's overall weight are great when linking, the rescue personnel need consume a large amount of efforts side rotatable screw rod and then drive the linkage structure and link.
Disclosure of Invention
The utility model aims to solve at least one technical problem, and provides an ambulance-based wheelchair auxiliary boarding and disembarking device.
The utility model realizes the above purpose through the following technical scheme: an ambulance-based wheelchair-assisted get-on/off device comprising:
the supporting mechanism comprises a base, a first linkage rod, a second linkage rod, a pulley and a supporting seat, wherein the centers of the first linkage rod and the second linkage rod are in cross connection through a rotating rod to form an integral structure, the bottom end of the first linkage rod is in rotary connection with one end of the base through the rotating rod, the top end of the first linkage rod is in sliding connection with the supporting seat through the pulley, the top end of the second linkage rod is in rotary connection with one end of the supporting seat through the rotating rod, and the top end of the second linkage rod is in sliding connection with the base through the pulley;
the sliding mechanism comprises a sliding plate, a limiting plate and a butt joint clamping block, wherein the sliding mechanism is connected to the supporting mechanism, the limiting plate is horizontally fixed at the top of the supporting seat, the butt joint clamping block is fixed at the bottom of the sliding plate and is in limiting clamping connection with the limiting plate, and the sliding plate is connected to the supporting seat in a sliding manner through the butt joint clamping block;
the linkage mechanism comprises a butt joint rod and a first screw rod, wherein the linkage mechanism is connected to the supporting mechanism, the butt joint rod is rotatably connected to the bottoms of the front and rear adjacent two second linkage rods, a rectangular block is fixed at the center of the butt joint rod, a screw hole is formed in the center of the rectangular block in a penetrating mode, and two ends of the first screw rod are rotatably connected to the center of the base through bearings and are in threaded rotary connection with the screw holes of the rectangular block.
As still further aspects of the utility model: the bottom center department of sliding plate is fixed with the linkage piece to run through in its center department and be provided with the screw, both ends center department is provided with the bearing frame about the supporting seat, is the rotation between the bearing frame and is connected with the second screw rod, and the second screw rod is the screw thread rotation and connects in the screw of linkage piece.
As still further aspects of the utility model: the upper surface of the sliding plate is provided with a concave-convex saw-tooth structure, and a layer of anti-slip rubber pad is glued on the surface of the sliding plate.
As still further aspects of the utility model: the base is characterized in that a fixing plate is arranged at the center of one end of the base, two gears are connected to the fixing plate in a rotary mode through bearings, one end of a first screw is connected with one of the gears, the diameter of the gear is larger than that of the other gear, and a wheel disc is arranged on the other gear.
As still further aspects of the utility model: one end of the base is vertically fixed with a push rod of a fang structure, and the push rod is glued with anti-skid hand glue.
As still further aspects of the utility model: the bottom four corners department of base is provided with the gyro wheel seat, and the gyro wheel seat is rotatable coupling in the horizontal direction through the bearing on its top with the base to be rotatable coupling in the vertical direction through the bearing in the center department of gyro wheel seat.
The beneficial effects of the utility model are as follows:
1) The center of the bottom of the sliding plate in the device is fixedly provided with a linkage block, the center of the sliding plate is penetrated with a screw hole, the centers of the left end and the right end of the supporting seat are provided with bearing seats, a second screw rod is rotatably connected between the bearing seats, and a rescue worker can drive the sliding plate to move horizontally on the supporting seat by rotating the second screw rod in a threaded linkage manner, so that the auxiliary movement of the wheelchair in the horizontal direction is realized;
2) The upper surface of the sliding plate in the device is provided with a concave-convex saw-tooth structure, so that the wheel chair is prevented from slipping when the sliding plate moves through the saw-tooth structure, and the friction force between the wheel chair and the sliding plate is increased through a rubber pad;
3) One end center department of base in this device is provided with the fixed plate, is the rotation through the bearing on the fixed plate and is connected with two gears, and one end and one of them gear connection of first screw rod, and the diameter of this gear is greater than another gear, increases the moment of torsion of first screw rod through two gears, and then makes the rescue personnel can laborsaving rotate first screw rod and drive the gangbar and carry out the linkage of crossing.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the linkage rod and its overall connection structure according to the present utility model;
FIG. 3 is a schematic view of the overall connection structure of the sliding plate of the present utility model;
FIG. 4 is a schematic view of the bottom structure of the sliding plate of the present utility model.
In the figure: 1. the device comprises a base, 2, a first linkage rod, 3, a second linkage rod, 4, a roller, 5, a pulley, 6, a butt joint rod, 7, a first screw, 8, a push rod, 9, a supporting seat, 10, a sliding plate, 11, a limiting plate, 12, a butt joint clamping block, 13, a linkage block, 14 and a second screw.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, an ambulance-based wheelchair-assisted getting-on/off device includes:
the supporting mechanism comprises a base 1, a first linkage rod 2, a second linkage rod 3, a pulley 5 and a supporting seat 9, wherein the centers of the first linkage rod 2 and the second linkage rod 3 are in cross connection through a rotating rod to form an integral structure, the bottom end of the first linkage rod 2 is in rotary connection with one end of the base 1 through the rotating rod, the top end of the first linkage rod is in sliding connection with the supporting seat 9 through the pulley 5, the top end of the second linkage rod 3 is in rotary connection with one end of the supporting seat 9 through the rotating rod, and the top end of the second linkage rod is in sliding connection with the base 1 through the pulley 5;
the sliding mechanism comprises a sliding plate 10, a limiting plate 11 and a butt joint clamping block 12, wherein the sliding mechanism is connected to the supporting mechanism, the limiting plate 11 is horizontally fixed at the top of the supporting seat 9, the butt joint clamping block 12 is fixed at the bottom of the sliding plate 10 and is in limiting clamping connection with the limiting plate 11, and the sliding plate 10 is connected to the supporting seat 9 in a sliding manner through the butt joint clamping block 12;
the linkage mechanism comprises a butt joint rod 6 and a first screw rod 7, wherein the linkage mechanism is connected to the supporting mechanism, the butt joint rod 6 is rotatably connected to the bottoms of the front and rear adjacent two second linkage rods 3, a rectangular block is fixed at the center of the butt joint rod, a screw hole is formed in the center of the rectangular block in a penetrating mode, and two ends of the first screw rod 7 are rotatably connected to the center of the base 1 through bearings and are in threaded rotary connection with the screw holes of the rectangular block.
In the embodiment of the utility model, the linkage block 13 is fixed at the center of the bottom of the sliding plate 10, screw holes penetrate through the center of the sliding plate, bearing seats are arranged at the centers of the left end and the right end of the supporting seat 9, second screws 14 are connected between the bearing seats in a rotating mode, the second screws 14 are connected in the screw holes of the linkage block 13 in a threaded rotating mode, and rescue workers can drive the sliding plate 10 to move horizontally on the supporting seat 9 through the threaded linkage of the sliding plate 10 through rotating of the second screws, so that the auxiliary movement of the wheelchair in the horizontal direction is achieved.
In the embodiment of the utility model, the upper surface of the sliding plate 10 is provided with a concave-convex saw-tooth structure, and a layer of anti-slip rubber pad is glued on the surface of the sliding plate, so that the sliding of the wheelchair during the movement of the sliding plate 10 is avoided through the saw-tooth structure, and the friction between the wheelchair and the sliding plate 10 is increased through the rubber pad.
Example two
As shown in fig. 1 to 4, an ambulance-based wheelchair-assisted getting-on/off device includes:
the supporting mechanism comprises a base 1, a first linkage rod 2, a second linkage rod 3, a pulley 5 and a supporting seat 9, wherein the centers of the first linkage rod 2 and the second linkage rod 3 are in cross connection through a rotating rod to form an integral structure, the bottom end of the first linkage rod 2 is in rotary connection with one end of the base 1 through the rotating rod, the top end of the first linkage rod is in sliding connection with the supporting seat 9 through the pulley 5, the top end of the second linkage rod 3 is in rotary connection with one end of the supporting seat 9 through the rotating rod, and the top end of the second linkage rod is in sliding connection with the base 1 through the pulley 5;
the sliding mechanism comprises a sliding plate 10, a limiting plate 11 and a butt joint clamping block 12, wherein the sliding mechanism is connected to the supporting mechanism, the limiting plate 11 is horizontally fixed at the top of the supporting seat 9, the butt joint clamping block 12 is fixed at the bottom of the sliding plate 10 and is in limiting clamping connection with the limiting plate 11, and the sliding plate 10 is connected to the supporting seat 9 in a sliding manner through the butt joint clamping block 12;
the linkage mechanism comprises a butt joint rod 6 and a first screw rod 7, wherein the linkage mechanism is connected to the supporting mechanism, the butt joint rod 6 is rotatably connected to the bottoms of the front and rear adjacent two second linkage rods 3, a rectangular block is fixed at the center of the butt joint rod, a screw hole is formed in the center of the rectangular block in a penetrating mode, and two ends of the first screw rod 7 are rotatably connected to the center of the base 1 through bearings and are in threaded rotary connection with the screw holes of the rectangular block.
In the embodiment of the utility model, a fixed plate is arranged at the center of one end of the base 1, two gears are rotatably connected to the fixed plate through bearings, one end of the first screw rod 7 is connected with one of the gears, the diameter of the gear is larger than that of the other gear, a wheel disc is arranged on the other gear, and the torque of the first screw rod 7 is increased through the two gears, so that an ambulance can rotate the first screw rod 7 in a labor-saving manner and drive the linkage rod to carry out crossed linkage.
In the embodiment of the utility model, one end of the base 1 is vertically fixed with a push rod 8 with a fang structure, and the push rod 8 is glued with anti-skidding hand glue, so that a rescue worker can push the whole auxiliary device through the push rod 8 and can avoid skidding of the palm through the anti-skidding hand glue.
In the embodiment of the utility model, the four corners of the bottom of the base 1 are provided with roller seats, the roller seats are connected with the base 1 in a rotating way in the horizontal direction through bearings at the top ends of the roller seats, and the center of the roller seats is connected with rollers 4 in a rotating way in the vertical direction through bearings, so that rescue workers can quickly move the whole device to a proper position for use through the rollers 4, and can rotate in any direction during movement.
Working principle: when the wheelchair is used for assisting in getting on and off the device, the device is moved to the side of an ambulance, then the first screw rod 7 is rotated to drive the first linkage rod 2 and the second linkage rod 3 to be in cross linkage, then the supporting seat 9 is driven to move upwards to a proper height, then the second screw rod 14 is rotated to drive the sliding plate 10 to be in threaded linkage, so that the sliding plate slides to the bottom of the wheelchair on the supporting seat 9, the first screw rod 7 is rotated again to drive the sliding plate 10 to rise so that the wheelchair is supported, then the second screw rod 14 is reversely rotated to drive the sliding plate 10 to reversely move, and then the wheelchair and a patient on the wheelchair are moved out of the ambulance.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Wheelchair-assisted getting-on/off device based on ambulance, characterized by comprising:
the supporting mechanism comprises a base (1), a first linkage rod (2), a second linkage rod (3), a pulley (5) and a supporting seat (9), wherein the centers of the first linkage rod (2) and the second linkage rod (3) are in cross connection through a rotating rod to form an integral structure, the bottom end of the first linkage rod (2) is in rotary connection with one end of the base (1) through the rotating rod, the top end of the first linkage rod is in sliding connection with the supporting seat (9) through the pulley (5), the top end of the second linkage rod (3) is in rotary connection with one end of the supporting seat (9) through the rotating rod, and the top end of the second linkage rod is in sliding connection with the base (1) through the pulley (5);
the sliding mechanism comprises a sliding plate (10), a limiting plate (11) and a butt joint clamping block (12), wherein the sliding mechanism is connected to the supporting mechanism, the limiting plate (11) is horizontally fixed at the top of the supporting seat (9), the butt joint clamping block (12) is fixed at the bottom of the sliding plate (10) and is in limiting clamping connection with the limiting plate (11), and the sliding plate (10) is connected to the supporting seat (9) in a sliding manner through the butt joint clamping block (12);
the linkage mechanism comprises a butt joint rod (6) and a first screw rod (7), wherein the linkage mechanism is connected to the supporting mechanism, the butt joint rod (6) is rotatably connected to the bottoms of the front and rear adjacent two second linkage rods (3), a rectangular block is fixed at the center of the butt joint rod, a screw hole is formed in the center of the rectangular block in a penetrating mode, and two ends of the first screw rod (7) are rotatably connected to the center of the base (1) through bearings and are in threaded rotary connection with the screw holes of the rectangular block.
2. The ambulance-based wheelchair-assisted entry and exit device of claim 1, wherein: the sliding plate (10) is characterized in that a linkage block (13) is fixed at the center of the bottom of the sliding plate, screw holes are formed in the center of the sliding plate in a penetrating mode, bearing seats are arranged at the centers of the left end and the right end of the supporting seat (9), a second screw (14) is connected between the bearing seats in a rotating mode, and the second screw (14) is connected in the screw holes of the linkage block (13) in a threaded rotating mode.
3. The ambulance-based wheelchair-assisted entry and exit device of claim 1, wherein: the upper surface of the sliding plate (10) is provided with a concave-convex saw-tooth structure, and a layer of anti-slip rubber pad is glued on the surface of the sliding plate.
4. The ambulance-based wheelchair-assisted entry and exit device of claim 1, wherein: the base (1) is characterized in that a fixed plate is arranged at the center of one end of the base, two gears are connected to the fixed plate in a rotary mode through bearings, one end of a first screw (7) is connected with one of the gears, the diameter of the gear is larger than that of the other gear, and a wheel disc is arranged on the other gear.
5. The ambulance-based wheelchair-assisted entry and exit device of claim 1, wherein: one end of the base (1) is vertically fixed with a push rod (8) with a fang -shaped structure, and the push rod (8) is glued with anti-skid hand glue.
6. The ambulance-based wheelchair-assisted entry and exit device of claim 1, wherein: the four corners of the bottom of the base (1) are provided with roller seats, the roller seats are connected with the base (1) in a rotating manner in the horizontal direction through bearings at the top ends of the roller seats, and rollers (4) are connected in a rotating manner in the vertical direction through bearings at the center of the roller seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222846052.3U CN218899975U (en) | 2022-10-27 | 2022-10-27 | Wheelchair auxiliary getting-on and getting-off device based on ambulance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222846052.3U CN218899975U (en) | 2022-10-27 | 2022-10-27 | Wheelchair auxiliary getting-on and getting-off device based on ambulance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218899975U true CN218899975U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222846052.3U Active CN218899975U (en) | 2022-10-27 | 2022-10-27 | Wheelchair auxiliary getting-on and getting-off device based on ambulance |
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| Country | Link |
|---|---|
| CN (1) | CN218899975U (en) |
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2022
- 2022-10-27 CN CN202222846052.3U patent/CN218899975U/en active Active
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