CN112168632A - Walking aid vehicle capable of moving out of bed - Google Patents
Walking aid vehicle capable of moving out of bed Download PDFInfo
- Publication number
- CN112168632A CN112168632A CN202011187309.8A CN202011187309A CN112168632A CN 112168632 A CN112168632 A CN 112168632A CN 202011187309 A CN202011187309 A CN 202011187309A CN 112168632 A CN112168632 A CN 112168632A
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- CN
- China
- Prior art keywords
- wheel
- clamp plate
- adjusting
- blocking clamp
- bed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for disabled persons
- A61H2003/046—Wheeled walking aids for disabled persons with braking means
Abstract
The invention discloses a moving walk-assisting trolley for getting off a bed, which comprises a trolley frame (1), wherein a support rod (2) is connected to the rear direction of the trolley frame (1), a push rod (3) is horizontally connected to the top of the support rod (2), handles (4) are respectively arranged at two ends of the push rod (3), unlocking hand brakes (5) are respectively arranged at two ends of the push rod (3) close to the handles (4), an unlocking pull wire (6) is connected to each unlocking hand brake (5), a pair of brake wheel mechanisms (7) and a pair of universal wheels (8) are symmetrically arranged at the bottom of the trolley frame (1), a torsion spring mechanism (9) is matched with the top of each brake wheel mechanism (7), and the top of each torsion spring mechanism (9) is matched and connected with the unlocking pull wire (6). The invention can solve the problems that the existing walking aid vehicle has random activity and uncontrollable speed and can not ensure the safety of patients.
Description
Technical Field
The invention belongs to the technical field of medical devices, and particularly relates to a movable walking aid vehicle for getting off a bed.
Background
With the development of medical care technology and the progress of rehabilitation technology, early-stage bed getting-off activities are increasingly developed in clinic, and the clinically applied bed getting-off activity walking aid cart is helpful for patients to practice standing and walking at the bedside more conveniently. Generally, the risks of early-stage out-of-bed activities mainly focus on the aspects of disease condition change, bed unit distance, falling, accidental catheter falling and the like, and particularly when ICU critically ill patients are out-of-bed for activities, a large number of matched instruments, a large number of pipelines, complex disease conditions and lack of adaptive walking aid devices. Most of the existing walking aid vehicles are hand brake brakes, and when the hand brakes are not started, the walking aid vehicles move randomly, the speed is uncontrollable, and the safety of patients cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a walking aid vehicle for getting out of bed to solve the problems that the existing walking aid vehicle proposed in the background technology has random activity, uncontrollable speed and incapability of ensuring the safety of patients.
In order to achieve the purpose, the invention provides the following technical scheme: a movable walking aid trolley for getting off bed comprises a trolley frame, wherein a supporting rod is connected to the rear direction of the trolley frame, the top of the supporting rod is horizontally connected with a push rod, handles are arranged at two ends of the push rod respectively, unlocking hand brakes are arranged at positions, close to the handles, of two ends of the push rod respectively, each unlocking hand brake is connected with an unlocking pull wire, a pair of brake wheel mechanisms and a pair of universal wheels are symmetrically arranged at the bottom of the trolley frame, a torsion spring mechanism is arranged at the top of each brake wheel mechanism, and the top of each torsion spring mechanism is connected with the unlocking pull wires in;
the brake wheel mechanism comprises a mechanism frame, the mechanism frame is connected to a vehicle frame, a rotating shaft is arranged in the mechanism frame, one end of the rotating shaft is fixedly connected with a brake wheel, the rotating shaft is further in threaded connection with an adjusting sleeve, the inner cavity of the adjusting sleeve is provided with threads, the outer wall of the adjusting sleeve is uniformly provided with a plurality of adjusting grooves along the axial direction, adjusting blocks are arranged in the adjusting grooves, a spring is arranged between each adjusting block and the bottom surface of each adjusting groove, when the brake wheel is static, the spring is in a natural state, the height of each adjusting block cannot be higher than that of each adjusting groove, an eccentric wheel is sleeved on the periphery of each adjusting sleeve, a large eccentric wheel head and a small eccentric wheel head are arranged on each eccentric wheel, the large eccentric wheel head faces downwards all the time when the brake wheel is not stressed, and;
the torsional spring mechanism comprises a first wheel blocking clamp plate and a second wheel blocking clamp plate which are symmetrically matched, the first wheel blocking clamp plate and the second wheel blocking clamp plate are matched with each other to form an X shape, torsion spring seats are arranged in the middle sections of the first wheel blocking clamp plate and the second wheel blocking clamp plate, the torsion spring seats on the first wheel blocking clamp plate and the second wheel blocking clamp plate are matched with each other, a torsion spring is arranged between the two torsion spring seats, the torsion spring is matched with the first wheel blocking clamp plate and the second wheel blocking clamp plate in a stress mode, holes are formed in the upper sections of the first wheel blocking clamp plate and the second wheel blocking clamp plate, unlocking pull wires penetrate through the holes in the first wheel blocking clamp plate and the second wheel blocking clamp plate, the unlocking pull wires are fixed on the outer side of the first wheel blocking clamp plate, and the lower sections of the first wheel blocking clamp plate and the second wheel blocking clamp plate can be in mutual contact with a brake wheel when the bedrest and the walking aid vehicle is.
Preferably, a bearing is arranged between the brake wheel and the adjusting sleeve on the rotating shaft, bearing end covers are arranged on two sides of the bearing, and the bearing end covers are connected with the mechanism frame through bolts.
Preferably, both sides of the eccentric wheel are respectively matched with a limiting ring, the surface roughness of the matching surface of the limiting ring and the eccentric wheel is 6.3-12.5 mu m, the surface roughness of the matching surface of the eccentric wheel and the limiting ring is 6.3-12.5 mu m, the inner hole diameter of the limiting ring ensures that the big head and the small head of the eccentric wheel are both contacted with the limiting ring, a backing ring is arranged between the two limiting rings, the inner diameter of the backing ring is equal to the inner diameter of the mechanism frame, the thickness of the backing ring is the same as that of the eccentric wheel, the stop block is fixed on the backing ring and cannot block the small head of the eccentric wheel, and the mechanism frame, the limiting ring and the backing ring are connected through a plurality of bolts.
Preferably, one side of the frame is further connected with a telescopic rod, a first adjusting knob is arranged on the telescopic rod, and a hook is arranged at the top of the telescopic rod.
Preferably, the supporting rod is a hollow rod, and the unlocking pull wire is positioned in the supporting rod.
Preferably, a second adjusting knob is arranged on the supporting rod.
Preferably, the outer part of the unlocking pull wire is sleeved with a sheath.
Preferably, an end cover is arranged on one side of the mechanism frame, and the end cover and the mechanism frame are fixed through a plurality of bolts.
Compared with the prior art, the invention provides a movable walking aid vehicle for getting off bed, which has the following beneficial effects:
1. a walking aid vehicle capable of getting out of bed is characterized in that a torsion spring mechanism is controlled by an unlocking hand brake, so that the movement and braking of the walking aid vehicle are realized, and the movement of the walking aid vehicle is better controlled;
2. the utility model provides a moving speed that helps driving of getting off bed activity, the brake wheel mechanism can automatically regulated helps driving's movement speed, when helping driving the speed of driving the motion too fast, the spring that the adjusting collar was sheathe makes the regulating block at its top contact the eccentric wheel and produce the friction with it owing to receive great centrifugal force to drive the eccentric wheel and rotate, the eccentric wheel rotates behind certain angle and is blocked the movement speed that helps driving and slow down of back by the dog, the spring gets back to initial condition, helps driving the normal motion, the effective control helps driving's movement speed, patient's safety has been guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic view of a walking aid for ambulatory activities according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is another schematic view of the overall structure of FIG. 3;
FIG. 6 is a schematic view of the eccentric wheel and the stopper of FIG. 3;
in the figure: a frame 1; a telescopic rod 101; the hook is 101.1; a first adjustment knob 102; a support rod 2; a second adjusting knob 201; a push rod 3; a handle 4; unlocking the hand brake 5; unlocking the pull wire 6; a brake wheel mechanism 7; a mechanism frame 701; a rotating shaft 702; a brake wheel 703; an adjustment sleeve 704; an adjustment groove 704.1; a regulating block 704.2; a spring 704.3; a bearing 705; end cap 705.1; bearing end caps 706; an eccentric 707; a stop 708; a spacing ring 709; a backing ring 710; a universal wheel 8; a torsion spring mechanism 9; a first wheel blocking clamp 901; a torsion spring seat 901.1; a second wheel chock 902; a torsion spring 903.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a movable walking aid trolley for getting off bed comprises a trolley frame 1, wherein a support rod 2 is connected to the rear direction of the trolley frame 1, the top of the support rod 2 is horizontally connected with a push rod 3, handles 4 are respectively arranged at two ends of the push rod 3, unlocking hand brakes 5 are respectively arranged at positions, close to the handles 4, of two ends of the push rod 3, an unlocking pull wire 6 is connected to each unlocking hand brake 5, a pair of brake wheel mechanisms 7 and a pair of universal wheels 8 are symmetrically arranged at the bottom of the trolley frame 1, torsion spring mechanisms 9 are matched at the tops of the brake wheel mechanisms 7, and the tops of the torsion spring mechanisms 9 are matched and connected with the unlocking pull wires 6;
the brake wheel mechanism 7 comprises a mechanism frame 701, the mechanism frame 701 is connected to the vehicle frame 1, a rotating shaft 702 is arranged in the mechanism frame 701, a brake wheel 703 is fixedly connected to one end of the rotating shaft 702, an adjusting sleeve 704 is further connected to the rotating shaft 702 in a threaded manner, threads are arranged in an inner cavity of the adjusting sleeve 704, a plurality of adjusting grooves 704.1 are axially formed in the outer wall of the adjusting sleeve 704, the adjusting grooves 704.1 are uniformly arranged on the outer wall of the adjusting sleeve 704, adjusting blocks 704.2 are arranged in the adjusting grooves 704.1, a spring 704.3 is arranged between each adjusting block 704.2 and the bottom surface of each adjusting groove 704.1, when the brake wheel 703 is stationary, the spring 704.3 is in a natural state, the height of each adjusting block 704.2 cannot be higher than that of each adjusting groove 704.1, an eccentric wheel is sleeved on the periphery of the adjusting sleeve 704, an eccentric wheel 707 and a small head of the eccentric wheel are arranged on the eccentric wheel 707, and the large head of the eccentric wheel 707 is always, the top of the eccentric wheel 707 is provided with a stop block 708, two sides of the eccentric wheel 707 are respectively matched with a limit ring 709, the surface roughness of the matching surface of the limit ring 709 and the eccentric wheel 707 is 6.3-12.5 μm, the surface roughness of the matching surface of the eccentric wheel 707 and the limit ring 709 is 6.3-12.5 μm, the diameter of an inner hole of the limit ring 709 ensures that the large head and the small head of the eccentric wheel are both contacted with the limit ring 709, a backing ring 710 is arranged between the two limit rings 709, the inner diameter of the backing ring 710 is equal to the inner diameter of the mechanism frame 701, the thickness of the backing ring 710 is the same as that of the eccentric wheel 707, the stop block 708 is fixed on the backing ring 710, the stop block 708 cannot block the small head of the eccentric wheel, and the mechanism frame 701, the limit rings 709 and the backing ring 710 are connected through a plurality of bolts;
a bearing 705 is arranged between a brake wheel 703 and an adjusting sleeve 704 on the rotating shaft 702, bearing end covers 706 are arranged on two sides of the bearing 705, and the bearing end covers 706 are connected with the mechanism frame 701 through bolts;
the torsion spring mechanism 9 comprises a first wheel stopping splint 901 and a second wheel stopping splint 902 which are symmetrically matched, the first wheel blocking clamp 901 and the second wheel blocking clamp 902 are matched with each other to form an X shape, torsion spring seats 901.1 are arranged at the middle sections of the first wheel stopping clamping plate 901 and the second wheel stopping clamping plate 902, the torsion spring seats 901.1 on the first wheel stopping clamping plate 901 and the second wheel stopping clamping plate 902 are mutually matched, a torsion spring 903 is arranged between the two torsion spring seats 901.1, the torsion spring 903 is in force fit with the first wheel resistance clamping plate 901 and the second wheel resistance clamping plate 902, the upper sections of the first wheel blocking splint 901 and the second wheel blocking splint 902 are both provided with holes, the unlocking pull wire 6 passes through the holes on the first wheel blocking splint 901 and the second wheel blocking splint 902, the unlocking pull wire 6 is fixed at the outer side of the first wheel blocking splint 901, when the movable walking aid vehicle is at rest, the lower sections of the first wheel blocking splint 901 and the second wheel blocking splint 902 can contact with the brake wheel 703;
a telescopic rod 101 is further connected to one side of the frame 1, a first adjusting knob 102 is arranged on the telescopic rod 101, the first adjusting knob 102 is used for adjusting the length of the telescopic rod 101, and a hook 101.1 is arranged at the top of the telescopic rod 101;
the supporting rod 2 is a hollow rod, and the unlocking pull wire 6 is positioned in the supporting rod 2;
a second adjusting knob 201 is arranged on the supporting rod 2, and the second adjusting knob 201 is used for adjusting the length of the supporting rod 2;
a sheath is sleeved outside the unlocking pull wire 6;
an end cover 705.1 is arranged on one side of the mechanism frame 701, and the end cover 705.1 and the mechanism frame 701 are fixed through a plurality of bolts;
the working principle is as follows: when no one pushes the lower part of the movable walking aid to get off the bed, the lower sections of the first wheel blocking clamp plate 901 and the second wheel blocking clamp plate 902 are tightly clamped on the top of the brake wheel 703 due to the action of the torsion spring 903, so that the brake wheel 703 cannot rotate, and the purpose of braking is achieved; when the user wants to push the getting-off movable walker, the unlocking hand brake 5 needs to be pulled up, the unlocking pull wire 6 is pulled by the unlocking hand brake 5, the unlocking pull wire 6 is pulled to enable the lower sections of the first wheel blocking clamp plate 901 and the second wheel blocking clamp plate 902 on the torsion spring mechanism 9 to be separated from the brake wheel 703, the brake wheel 703 can rotate under the action of forward thrust, and the brake wheel 703 rotates to be matched with the rotation of the universal wheel 8 to realize the movement of the getting-off movable walker; when the moving speed of the getting-off movable rollator is too high, the spring 704.3 on the adjusting sleeve 704 is stretched due to the action of a large centrifugal force, at the moment, the adjusting block 704.2 at the top of the spring 704.3 contacts and generates friction with the eccentric 707, the generated friction force drives the eccentric 707 to rotate, the eccentric 707 is blocked by the block 708 after the eccentric 707 rotates to a certain angle, the moving speed of the getting-off movable rollator is reduced, the spring 704.3 on the adjusting sleeve 704 returns to the initial state after the centrifugal force is gradually reduced, the adjusting block 704.2 at the top of the spring 704.3 returns to the adjusting groove 704.1 again, the eccentric 707 loses the power source and returns to the initial position (the position with the large end facing downwards) under the action of gravity, and the getting-off movable rollator normally moves in a small speed range.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a mobility helps driving of getting off bed, it includes frame (1), be connected with bracing piece (2) in the rear direction of frame (1), bracing piece (2) top horizontally connect has push rod (3), the both ends of push rod (3) are provided with handle (4) its characterized in that respectively: unlocking hand brakes (5) are respectively arranged at the positions, close to the handle (4), of the two ends of the push rod (3), each unlocking hand brake (5) is connected with an unlocking pull wire (6), a pair of brake wheel mechanisms (7) and a pair of universal wheels (8) are symmetrically arranged at the bottom of the frame (1), a torsion spring mechanism (9) is arranged at the top of each brake wheel mechanism (7), and the top of each torsion spring mechanism (9) is connected with the unlocking pull wires (6) in a matched mode;
the brake wheel mechanism (7) comprises a mechanism frame (701), the mechanism frame (701) is connected to a vehicle frame (1), a rotating shaft (702) is arranged in the mechanism frame (701), a brake wheel (703) is fixedly connected to one end of the rotating shaft (702), an adjusting sleeve (704) is further in threaded connection with the rotating shaft (702), a thread is arranged in an inner cavity of the adjusting sleeve (704), a plurality of adjusting grooves (704.1) are uniformly formed in the outer wall of the adjusting sleeve (704) along the axial direction, adjusting blocks (704.2) are arranged in the adjusting grooves (704.1), a spring (704.3) is arranged between each adjusting block (704.2) and the bottom surface of each adjusting groove (704.1), the spring (704.3) is in a natural state when the brake wheel (703) is static, the height of each adjusting block (704.2) cannot be higher than that of each adjusting groove (704.1), and an eccentric wheel (707) is sleeved on the periphery of each adjusting sleeve (704), the eccentric wheel (707) is provided with an eccentric wheel big end and an eccentric wheel small end, the eccentric wheel (707) is always downward when no force is applied, and the top of the eccentric wheel (707) is provided with a stop block (708);
the torsion spring mechanism (9) comprises a first wheel blocking clamp plate (901) and a second wheel blocking clamp plate (902) which are symmetrically matched, the first wheel blocking clamp plate (901) and the second wheel blocking clamp plate (902) are matched with each other to be in an X shape, torsion spring seats (901.1) are arranged at the middle sections of the first wheel blocking clamp plate (901) and the second wheel blocking clamp plate (902), torsion spring seats (901.1) on the first wheel blocking clamp plate (901) and the second wheel blocking clamp plate (902) are matched with each other, a torsion spring (903) is arranged between the two torsion spring seats (901.1), the torsion spring (903) is in stress fit with the first wheel blocking clamp plate (901) and the second wheel blocking clamp plate (902), holes are formed in the upper sections of the first wheel blocking clamp plate (901) and the second wheel blocking clamp plate (902), an unlocking pull wire (6) penetrates through the holes in the first wheel blocking clamp plate (901) and the second wheel blocking clamp plate (902), and the unlocking pull wire (6) is fixed on the outer side of the first wheel blocking clamp plate (901), when the movable walking aid vehicle is at rest, the lower sections of the first wheel blocking splint (901) and the second wheel blocking splint (902) can contact with the brake wheel (703).
2. An off-bed ambulatory rollator according to claim 1 which is: a bearing (705) is arranged between a brake wheel (703) and an adjusting sleeve (704) on the rotating shaft (702), bearing end covers (706) are arranged on two sides of the bearing (705), and the bearing end covers (706) are connected with a mechanism frame (701) through bolts.
3. An off-bed ambulatory rollator according to claim 1 which is: two sides of the eccentric wheel (707) are respectively matched with a limit ring (709), the surface roughness of the matching surface of the limit ring (709) and the eccentric wheel (707) is 6.3-12.5 mu m, the surface roughness of the matching surface of the eccentric wheel (707) and the spacing ring (709) is 6.3-12.5 μm, the diameter of the inner hole of the limiting ring (709) is ensured to ensure that the big head of the eccentric wheel and the small head of the eccentric wheel are both contacted with the limiting ring (709), a backing ring (710) is arranged between the two limiting rings (709), the inner diameter of the backing ring (710) is equal to the inner diameter of the mechanism frame (701), the thickness of the backing ring (710) is the same as that of the eccentric wheel (707), the stop block (708) is fixed on the backing ring (710), the stop block (708) can not block the small head of the eccentric wheel, and the mechanism frame (701), the limiting ring (709) and the backing ring (710) are connected through a plurality of bolts.
4. An off-bed ambulatory rollator according to claim 1 which is: one side of the frame (1) is further connected with a telescopic rod (101), a first adjusting knob (102) is arranged on the telescopic rod (101), and a hook (101.1) is arranged at the top of the telescopic rod (101).
5. An off-bed ambulatory rollator according to claim 1 which is: the support rod (2) is a hollow rod, and the unlocking pull wire (6) is located in the support rod (2).
6. An off-bed ambulatory rollator according to claim 1 which is: and a second adjusting knob (201) is arranged on the supporting rod (2).
7. An off-bed ambulatory rollator according to claim 1 which is: the outer part of the unlocking pull wire (6) is sleeved with a sheath.
8. An off-bed ambulatory rollator according to claim 1 which is: an end cover (705.1) is arranged on one side of the mechanism frame (701), and the end cover (705.1) and the mechanism frame (701) are fixed through a plurality of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187309.8A CN112168632A (en) | 2020-10-30 | 2020-10-30 | Walking aid vehicle capable of moving out of bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187309.8A CN112168632A (en) | 2020-10-30 | 2020-10-30 | Walking aid vehicle capable of moving out of bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112168632A true CN112168632A (en) | 2021-01-05 |
Family
ID=73917500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011187309.8A Withdrawn CN112168632A (en) | 2020-10-30 | 2020-10-30 | Walking aid vehicle capable of moving out of bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112168632A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319571A (en) * | 2020-10-30 | 2021-02-05 | 江阴市勤丰金属制品有限公司 | Crawler beam transportation tool |
-
2020
- 2020-10-30 CN CN202011187309.8A patent/CN112168632A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319571A (en) * | 2020-10-30 | 2021-02-05 | 江阴市勤丰金属制品有限公司 | Crawler beam transportation tool |
| CN112319571B (en) * | 2020-10-30 | 2021-12-14 | 江阴市勤丰金属制品有限公司 | Crawler beam transportation tool |
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Application publication date: 20210105 |