CN113143703A - Walking aid frame - Google Patents
Walking aid frame Download PDFInfo
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- CN113143703A CN113143703A CN202110436110.2A CN202110436110A CN113143703A CN 113143703 A CN113143703 A CN 113143703A CN 202110436110 A CN202110436110 A CN 202110436110A CN 113143703 A CN113143703 A CN 113143703A
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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 patients or disabled persons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
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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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0192—Specific means for adjusting dimensions
-
- 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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5061—Force sensors
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- Health & Medical Sciences (AREA)
- Rehabilitation Therapy (AREA)
- General Physics & Mathematics (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Rehabilitation Tools (AREA)
Abstract
There is provided a walking frame comprising: the left support and the right support respectively comprise a holding rod and a vertical pipe, and the holding rod is connected with the upper end part of the vertical pipe; each of the risers comprises an upper riser section and a lower riser section, one of the two riser sections being inserted into the other, the two riser sections being slidable relative to each other and lockable by the first locking unit in one of a consecutive plurality of first locking positions; and/or the first cross tube comprises a first left cross tube section and a first right cross tube section, one of the two cross tube sections being inserted into the other, the two cross tube sections being slidable relative to each other and lockable by the second locking unit in one of a consecutive plurality of second locking positions. The walker frame of the present invention allows for the height and/or width of the walker frame to be adjusted in a stepless manner to meet the needs of all users.
Description
Technical Field
The present invention relates to the field of walking aid devices, in particular to a walking aid frame which can be adjusted in height and/or width in a stepless manner and which can preferably also detect force and moment information between a user and the walking aid frame and contact force information between the walking aid frame and the ground, which can be used for assessing the stability of the walking aid frame during use of the walking aid frame by the user, analyzing the proper walking aid frame parameters and rehabilitation strategies for the user, establishing joint force/moment models, assessing the rehabilitation status, etc.
Background
At present, the disability rate is continuously increased due to aging population and increasing chronic diseases, and countries in the world face a plurality of civil problems caused by the huge number of the disabled people. In China, with the aggravation of social aging, the old people grow older, the physiological organ function is reduced, the old people have physiological muscle energy gradually degenerated and various chronic diseases, so that the old people have disorders of the motion system, including balance capacity reduction, muscle atrophy, weak load bearing capacity, slow response and the like; the disabled population caused by stroke, spinal cord injury, brain trauma, etc. is also rapidly growing. Due to limb injury or limited activity, the daily walking activity or walking rehabilitation training of the disabled needs external equipment or nursing personnel for assistance, but the cost of manual nursing accompanying is high, and the assistance requirements of the daily life of a plurality of patients cannot be met.
Therefore, many walking aid rehabilitation aids, such as artificial walking sticks, axillary crutches, wheelchairs, walking aids, etc., appear in daily life. The walking aid is mainly an appliance for assisting a user to stand and walk by means of upper limb strength, can effectively help the user to improve and improve walking ability, and a large number of disabled patients need the walking aid for rehabilitation assistance. It compares in the armpit to turn, the stick has better stability and security, compares in the wheelchair can play exercise and recovered effect. As an important rehabilitation aid, the walking aid can be used for increasing mobility, preventing falls and fractures and promoting independence, but different people have different proper heights and widths for the needed walking aid, so that the problems of muscle fatigue, joint injury and the like can be caused when the old and the disabled use the improper walking aid for a long time, and even falls, muscle energy degradation and the like can be caused. The height and width of the known walking frame are usually adjusted by elastic pins and the like, but the adjustment mode can only carry out adjustment of a limited number of gears and can not meet the requirements of all users. Furthermore, the known walking frames also do not allow real-time force and moment data acquisition of the gait and standing courses of the user using the walking frame to obtain different usage data for analyzing the height and width suitable for his or her individual.
Accordingly, there is a need for a walking frame that at least partially addresses the problems of the prior art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a walking frame, which aims to solve the problems that the height and the width of the walking frame cannot be adjusted steplessly according to the requirements of different people, and real-time force and moment data acquisition cannot be carried out on the gait process and the standing process of a user using the walking frame to obtain different use data so as to analyze the height and the width suitable for the user.
According to an aspect of the invention, a walker frame is provided. The walking frame comprises: the left support and the right support respectively comprise a holding rod and a vertical pipe, and the holding rod is connected with the upper end of the vertical pipe; wherein each of the risers comprises an upper riser section and a lower riser section, one of which is inserted into the other of the upper and lower riser sections, the upper and lower riser sections being slidable relative to each other and lockable by a first locking unit in one of a consecutive plurality of first locking positions; and/or the first cross tube comprises a first left cross tube section and a first right cross tube section, one of which is inserted into the other of which is slidable relative to each other and lockable in one of a consecutive plurality of second locking positions by a second locking unit.
Preferably, the walking frame further comprises a human-computer interaction detection device, wherein the human-computer interaction detection device comprises a first sensor arranged on the holding rod and used for collecting force and moment information between the user and the walking frame when the user uses the walking frame and/or a second sensor arranged on the stand pipe and used for collecting contact force information between the user and the ground when the user uses the walking frame.
Preferably, the first sensor is a six-dimensional force/torque sensor and the second sensor is a three-dimensional force sensor.
Preferably, the first locking unit and the second locking unit each include a locking seat, a locking pull ring, a locking bolt, a first screw boss, a second screw boss, and a locking nut; the locking seat is sleeved on the other one of the upper vertical pipe section and the lower vertical pipe section or the other one of the first left transverse pipe section and the first right transverse pipe section; the first spiral boss is arranged in the first groove of the locking seat and is fixedly connected with the locking seat; the second spiral boss is arranged in the second groove of the locking pull ring and is fixedly connected with the locking pull ring; the locking seat and the locking pull ring form a rotation pair through the locking bolt and the locking nut; the locking seat and the locking pull ring realize the locking function through the first spiral boss and the second spiral boss.
Preferably, a first rotation preventing part is provided on the one of the upper riser section and the lower riser section, a first groove is opened on the other of the upper riser section and the lower riser section, the width of the first rotation preventing part is equal to or slightly smaller than the width of the first groove, and the first rotation preventing part is fitted in the first groove and can slide along the first groove.
Preferably, a second rotation preventing part is arranged on one of the first left transverse pipe section and the first right transverse pipe section, a second groove is formed in the other one of the first left transverse pipe section and the first right transverse pipe section, the width of the second rotation preventing part is equal to or slightly smaller than that of the second groove, and the second rotation preventing part is assembled in the second groove and can slide along the second groove.
Preferably, the walker frame further comprises a wheel-leg unit comprising a leg bar and a walking wheel, the leg bar being directly or indirectly detachably connected with the lower end of the lower riser section, and the walking wheel being detachably mounted on the leg bar.
Preferably, the wheel-leg unit further includes a wheel bolt and a fastener, a through slot penetrating both sides of the leg rod is opened on the lower portion of the leg rod, the wheel bolt passes through the travelling wheel and the through slot and is fixed when the fastener is tightened, when the fastener is loosened, the wheel bolt can slide up and down along the through slot to drive the travelling wheel to move between a travelling position where the travelling wheel is in contact with the ground and the lower end of the leg rod is spaced from the ground, and an idle position where the travelling wheel is spaced from the ground and the lower end of the leg rod is in contact with the ground.
Preferably, the left support includes two risers, be first riser and second riser respectively, and connect the first bracing piece between the middle part of first riser and the middle part of second riser, the right support includes two risers, be third riser and fourth riser respectively, and connect the second bracing piece between the middle part of third riser and the middle part of fourth riser, first horizontal pipe connection is in first riser with between the third riser.
Preferably, the walker frame further comprises a second cross tube having both ends mounted on the gripping rods of the left and right brackets by means of rotation posts and rotation post nuts, the second cross tube comprising a second left cross tube section and a second right cross tube section, one of which is inserted into the other of which, the second left and right cross tube sections being slidable relative to each other and lockable in one of a consecutive plurality of third locking positions by a third locking unit; the first horizontal pipe is further provided with a first left vertical pipe section and a first right vertical pipe section at two ends, the first left vertical pipe section and the first right vertical pipe section are respectively sleeved on the first vertical pipe and the third vertical pipe, the first vertical pipe can rotate relative to the first left vertical pipe section, and the third vertical pipe can rotate relative to the first right vertical pipe section.
According to the scheme of the invention, the overall height of the walking frame can be adjusted in a stepless manner by adjusting the depth of the upper vertical pipe section inserted into the lower vertical pipe section or the depth of the lower vertical pipe section inserted into the upper vertical pipe section; and/or the overall width of the walker frame can be steplessly adjusted by adjusting the depth to which the first right cross tube section is inserted into the first left cross tube section or the depth to which the first left cross tube section is inserted into the first right cross tube section, and by adjusting the depth to which the second right cross tube section is inserted into the second left cross tube section or the depth to which the second left cross tube section is inserted into the second right cross tube section, if a second cross tube is optionally provided; therefore, the walking frame can realize stepless height and width adjustment to meet the requirements of testers with different heights, different body types and different weights. The walking frame can acquire a man-machine interaction force signal and a ground contact force signal between a user and the walking frame through a man-machine interaction detection device consisting of a first sensor (a six-dimensional force/moment sensor) and a second sensor (a three-dimensional force sensor). By using the walking frame of the invention to collect data in walking and other ways with different heights and widths, users can obtain different use data to analyze the optimal height and the optimal width which are suitable for the users, so as to avoid the problems of joint injury, muscle strain and the like caused by using the improper walking frame size. The walking aid frame is simple in structure, safe, stable, convenient to use, foldable and convenient to store. Aiming at the detection tasks using different walking frames, the walking frame can be switched into different walking modes at any time. The contact mode of each wheel leg unit and the ground can be adjusted through the two switching modes by moving the travelling wheels between the travelling position and the idle position or detaching the travelling wheels; furthermore, the entire wheelleg unit may also be removed, so that the lower end of the lower riser section of the walker frame or the second sensor (if provided) contacts the ground. The walking frame can be switched into a two-front-wheel walking frame, a four-wheel walking frame and a four-leg walking frame through the switching mode, so that a tester can perform a two-front-wheel walking frame data acquisition experiment, a four-wheel walking frame data acquisition experiment and a four-leg walking frame data acquisition experiment. The walking frame can be well used for carrying out data acquisition on the standing, walking and other states of a tester, the data can be used for detecting the kinematics characteristics of the old or disabled, establishing a joint moment model, distinguishing the research of the individual on the proper height and width of the walking frame, establishing the rehabilitation strategy of a demander and the like, evaluating the stability of the device and the like, and meanwhile, the walking frame can provide guiding significance for the innovative design and the size parameters of the walking frame.
Drawings
Non-limiting and non-exhaustive embodiments of the present invention are described by way of example with reference to the following drawings, in which:
FIG. 1 is an isometric view of a walker frame (containing a mannequin) according to the present invention with the four road wheels of the walker frame removed to form a four-legged walker frame;
FIG. 2 is an isometric view of a walker frame (containing a mannequin) according to the present invention with the four road wheels of the walker frame in an idle position to form a four-legged walker frame;
FIG. 3 is an isometric view of a walker frame according to the present invention with the four road wheels of the walker frame in an idle position to form a four-legged walker frame;
FIG. 4 is an isometric view of a walker frame according to the present invention with the front two road wheels of the walker frame in a walking position and the rear two road wheels removed to form a two front wheeled walker frame;
FIG. 5 is an isometric view of a walker frame according to the present invention with the front two road wheels of the walker frame in a walking position and the rear two road wheels in an idle position to form a two front wheeled walker frame;
FIG. 6 is an exploded view of the upper half of the left bracket;
FIG. 7 is an isometric view of the assembly of the down tube riser section and the wheel leg unit;
FIG. 8 is an exploded view of the assembly of the down tube riser section and the wheel leg unit;
FIG. 9 is an isometric view of the first cross tube;
figure 10 is an exploded view of the first cross tube;
FIG. 11 is an isometric view of the second cross tube;
figure 12 is an exploded view of the second cross tube; and
fig. 13 is an exploded view of the first locking unit.
In fig. 1 to 13:
1000-walker frame, 300-wheelleg unit, 400-left frame, 500-right frame, 1-first vertical tube, 2-second vertical tube, 3-third vertical tube, 4-fourth vertical tube, 104-upper vertical tube section, 105-lower vertical tube section, 413-first locking unit, 600-first horizontal tube, 610-first left horizontal tube section, 620-first right horizontal tube section, 621-first connecting part, 622-second connecting part, 630-second locking unit, 700-second horizontal tube, 710-second left horizontal tube section, 711-third connecting part, 712-fourth connecting part, 720 second right horizontal tube section, 730-third locking unit, 430-first holding rod, 530-second holding rod, 440-first holding rod, 540-second holding rod, 1.3-a first through hole, 5-a connecting rod, 5.1-a first through pipe, 5.2-a second through pipe, 6-a first sensor mounting seat, 6.1-a first flange port, 1.1-a first part, 2.1-a second part, 8-a grasping part, 9-a first sensor, 10-a leg rod, 10.1-a through groove, 11-a walking wheel, 12-a rubber pad, 15.1-a threaded hole, 16-a rotating column, 18.2-a first left standpipe section, 17.2-a first right standpipe section, 20-a locking ring, 100-a locking seat, 101-a first spiral boss, 102-a locking ring, 103-a locking nut, 105.1-a first groove, 18.3-a second groove, 106-a second sensor mounting seat, 106.1-a second flange port, 107-a second sensor, 108-a second spiral boss, 109-a first groove, 110-a second groove, 111-a locking bolt, 200-a wheel bolt, 201-a gasket, 202-a locking block, 203-a fastener, 211-an insertion part, 222-a hole, 301-a first rotating cushion block, 302-a second rotating cushion block, 303-a third rotating cushion block, 304-a rubber plug, 305-a rotating column nut, 306-a second rotation preventing component, 307-a second through hole, 308-a third through hole, 309-a fourth through hole, 310-a fifth through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In an aspect of the invention, a walker frame is provided which can be switched to a two front wheeled walker frame, a four legged walker frame, etc. depending on the specific detection needs of the user. FIG. 1 is an isometric view of a walker frame 1000 (containing a mannequin) according to the present invention, wherein the four road wheels 11 of the walker frame 1000 are removed to form a four-legged walker frame. FIG. 2 is an isometric view of a walker frame 1000 (containing a mannequin) according to the present invention with the four road wheels 11 of the walker frame 1000 in an idle position to form a four-legged walker frame. FIG. 3 is an isometric view of a walker frame 1000 according to the present invention with the four road wheels 11 of the walker frame 1000 in an idle position to form a four-legged walker frame. FIG. 4 is an isometric view of a walker frame 1000 according to the present invention with the front two road wheels 11 of the walker frame 1000 in a walking position and the rear two road wheels 11 removed to form a two front wheeled walker frame. FIG. 5 is an isometric view of a walker frame 1000 according to the present invention with the front two road wheels 11 of the walker frame 1000 in a walking position and the rear two road wheels 11 in an idle position to form a two front wheeled walker frame. Fig. 6 is an exploded view of the upper half of the left bracket 400. FIG. 7 is an isometric view of the assembly of the down tube vertical section 105 and the wheel leg unit 300. FIG. 8 is an exploded view of the assembly of the down tube vertical section 105 and the wheel leg unit 300. Figure 9 is an isometric view of first cross tube 600. Figure 10 is an exploded view of the first cross tube 600. Figure 11 is an isometric view of second cross tube 700. Figure 12 is an exploded view of the second cross tube 700. Fig. 13 is an exploded view of the first locking unit 413.
A walking frame 1000 according to an embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 13.
As shown in fig. 1-5, the walking frame 1000 includes: a left bracket 400, a right bracket 500, and a first cross tube 600 connecting the left bracket 400 and the right bracket 500. The left and right brackets 400 and 500 each include a grip bar and a standpipe, and the grip bar is connected to an upper end of the standpipe. Specifically, in the present embodiment, the left bracket 400 includes two vertical pipes, i.e., a first vertical pipe 1 and a second vertical pipe 2, and a first support rod 440 connected between a middle portion of the first vertical pipe 1 and a middle portion of the second vertical pipe 2; the right bracket 500 includes two vertical pipes, a third vertical pipe 3 and a fourth vertical pipe 4, respectively, and a second support rod 540 connected between the middle portion of the third vertical pipe 3 and the middle portion of the fourth vertical pipe 4; the first horizontal pipe 600 is connected between the first vertical pipe 1 and the third vertical pipe 3; the holding rod of the left bracket 400 is a first holding rod 430, the first holding rod 430 is connected with the upper ends of the first vertical tube 1 and the second vertical tube 2, and the first holding rod 430 and the upper ends of the first vertical tube 1 and the second vertical tube 2 can also be integrally formed, so that a U-shaped left bracket 400 is formed; the holding rod of the right bracket 500 is a second holding rod 530, the second holding rod 530 is connected with the upper ends of the third vertical tube 3 and the fourth vertical tube 4, and the second holding rod 530 and the upper ends of the third vertical tube 3 and the fourth vertical tube 4 can also be integrally formed, so as to form the U-shaped right bracket 500. In other embodiments of the present invention, not shown, each of the left and right brackets 400 and 500 may include only one vertical tube, thereby forming left and right brackets having a substantially "T" shape or "i" shape.
Preferably, as shown in fig. 1 to 5, each of the risers (in the present embodiment, first riser 1, second riser 2, third riser 3, fourth riser 4) comprises an upper riser section 104 and a lower riser section 105, one of the upper riser section 104 and the lower riser section 105 (in the present embodiment, upper riser section 104) is inserted into the other of the upper riser section 104 and the lower riser section 105 (in the present embodiment, lower riser section 105), and the upper riser section 104 and the lower riser section 105 are slidable relative to each other and lockable by the first locking unit 413 in one of a plurality of consecutive first locking positions. In this embodiment, the upper standpipe section 104 is inserted into the lower standpipe section 105, and when the first locking unit 413 is released, the depth of insertion of the upper standpipe section 104 into the lower standpipe section 105 can be adjusted, so that the overall height of the walker frame 1000 can be steplessly adjusted to meet the height requirements of different users for the walker frame 1000.
Preferably, as shown in fig. 1 to 5 and fig. 7 and 8, a first rotation preventing member (not shown), such as a first rotation preventing screw, is disposed on the one of upper stem section 104 and lower stem section 105 (in this embodiment, upper stem section 104), and a first groove 105.1 is opened on the other of upper stem section 104 and lower stem section 105 (in this embodiment, lower stem section 105), the first rotation preventing member having a width equal to or slightly smaller than that of first groove 105.1, and the first rotation preventing member is fitted in first groove 105.1 and is capable of sliding along first groove 105.1. Since the first anti-rotation member provided on upper standpipe section 104 fits in first groove 105.1 provided on lower standpipe section 105 and the width of the first anti-rotation member is equal to or slightly less than the width of first groove 105.1, relative rotation between upper standpipe section 104 and lower standpipe section 105 is prevented.
It should be noted that, although the upper vertical pipe section 104 is inserted into the lower vertical pipe section 105 and the first rotation preventing component is disposed on the upper vertical pipe section 104 in the embodiment, the first slot 105.1 is disposed on the lower vertical pipe section 105; however, in other embodiments not shown in the present invention, the lower vertical pipe section 105 may be inserted into the upper vertical pipe section 104, the first rotation preventing component is disposed on the lower vertical pipe section 105, and the first groove 105.1 is disposed on the upper vertical pipe section 104.
Preferably, as shown in fig. 1-5 and 9-10, the first cross tube 600 includes a first left cross tube section 610 and a first right cross tube section 620, one of the first left cross tube section 610 and the first right cross tube section 620 (the first right cross tube section 620 in this embodiment) is inserted into the other of the first left cross tube section 610 and the first right cross tube section 620 (the first left cross tube section 610 in this embodiment), the first left cross tube section 610 and the first right cross tube section 620 are slidable relative to each other and lockable in one of a plurality of consecutive second locking positions by the second locking unit 630. In this embodiment, the first right cross tube section 620 is inserted into the first left cross tube section 610, and when the second locking unit 630 is released, the depth of insertion of the first right cross tube section 620 into the first left cross tube section 610 can be adjusted, so that the overall width of the walker frame 1000 can be steplessly adjusted to meet the width requirements of different users for the walker frame 1000.
Preferably, the one of the first left cross tube section 610 and the first right cross tube section 620 (the first right cross tube section 620 in the present embodiment) is provided with a second rotation preventing member 306, such as a second rotation preventing screw, the other one of the first left cross tube section 610 and the first right cross tube section 620 (the first left cross tube section 610 in the present embodiment) is provided with a second groove 18.3, the width of the second rotation preventing member 306 is equal to or slightly smaller than the width of the second groove 18.3, and the second rotation preventing member 306 is fitted in the second groove 18.3 and can slide along the second groove 18.3. Because the second anti-rotation member 306 disposed on the first right cross tube section 620 fits within the second slot 18.3 formed in the first left cross tube section 610 and the width of the second anti-rotation member 306 is equal to or slightly less than the width of the second slot 18.3, relative rotation between the first left cross tube section 610 and the first right cross tube section 620 is prevented.
It should be noted that, although the first right cross tube section 620 is inserted into the first left cross tube section 610 and the second anti-rotation component 306 is disposed on the first right cross tube section 620 in the embodiment, the second groove 18.3 is opened on the first left cross tube section 610; however, in other embodiments of the present invention, which are not shown, the first left cross tube section 610 may be inserted into the first right cross tube section 620, the second anti-rotation component 306 is disposed on the first left cross tube section 610, and the second groove 18.3 is disposed on the first right cross tube section 620.
Preferably, in the present embodiment, the first right cross tube section 620 includes a first connection portion 621 and a second connection portion 622, one end of the second connection portion 622 is inserted into the first connection portion 621 and is connected and fixed on the first connection portion 621 by a screw, the other end of the second connection portion 622 is inserted into the first left cross tube section 610 and can slide relative to the first left cross tube section 610, and the second locking unit 630 is sleeved at an end of the first left cross tube section 610 adjacent to the second connection portion 622.
Preferably, as shown in fig. 1 to 5, 7 and 9, the first locking unit 413 is sleeved on the other one of the upper standpipe section 104 and the lower standpipe section 105 (in this embodiment, the lower standpipe section 105); the second locking unit 630 is fitted over the other of the first left cross tube section 610 and the first right cross tube section 620 (the first left cross tube section 610 in this embodiment).
As shown in fig. 13, the first locking unit 413 includes a locking socket 100, a locking tab 102, a locking bolt 111, a first screw boss 101, a second screw boss 108, and a locking nut 103. The locking seat 100 is sleeved on the other one of the upper vertical pipe section 104 and the lower vertical pipe section 105. In the present embodiment, the locking seat 100 is disposed on the lower vertical pipe section 105. The first screw boss 101 is installed in the first groove 109 of the locking socket 100 and is fixedly connected with the locking socket 100. A second screw boss 108 is mounted in a second recess 110 of the locking tab 102 and is fixedly connected with the locking tab 102. The locking socket 100 and the locking tab 102 form a rotation pair by means of the locking bolt 111 and the locking nut 103. Specifically, the first recess 109 of the lock socket 100, the first screw boss 101 located in the first recess 109 of the lock socket 100, the second recess 110 of the locking tab 102, and the second screw boss 108 located in the second recess 110 of the locking tab 102 are provided with through-holes through which one end of the locking bolt 111 passes and passes through the locking nut 103. The first and second screw bosses 101 and 108 have mutually fitting shapes on surfaces facing each other and can perform a mutual locking function by the shape fitting, thereby enabling the locking socket 100 and the locking tab 102 to perform a locking function by the first and second screw bosses 101 and 108.
The second locking unit 630 has the same structure as the first locking unit 413, and is not described herein for brevity. It can be understood that the locking seat 100 of the second locking unit 630 is sleeved on the other one of the first left cross tube section 610 and the first right cross tube section 620 (the first left cross tube section 610 in the present embodiment).
Preferably, as shown in fig. 1 to 8, the walking frame 1000 further comprises a human interaction detecting device, which comprises a first sensor 9 disposed on the holding rod (the first holding rod 430, the second holding rod 530) for collecting force and moment information between the user and the walking frame 1000 when the user uses the walking frame 1000 (e.g., performs auxiliary walking or supporting) and/or a second sensor 107 disposed on the stand pipe (the first stand pipe 1, the second stand pipe 2, the third stand pipe 3, the fourth stand pipe 4 in the present embodiment) for collecting contact force information between the walking frame 1000 and the ground when the user uses the walking frame 1000 (e.g., performs auxiliary walking or supporting). Preferably, the first sensor 9 is a six-dimensional force/torque sensor and the second sensor 107 is a three-dimensional force sensor. The walking frame 1000 can collect the human-computer interaction force signal between the user and the walking frame 1000 and the ground contact force signal through the human-computer interaction detection device consisting of the first sensor 9 (six-dimensional force/moment sensor) and the second sensor 107 (three-dimensional force sensor). By using the walking frame 1000 of the present invention at different heights and widths, the user can get different usage data regarding force and moment information between the user and the walking frame 1000 and contact force information between the walking frame 1000 and the ground to analyze the height and width that is appropriate for his or her individual to avoid problems with joint damage, muscle strain, etc. for the patient using an inappropriate walking frame size. Different patients can guide the structural improvement of the walking frame 1000 and the design of a novel walking frame by using the data collected by the walking frame 1000 so as to meet the requirements of different types of patients on the walking frame 1000. The data collected at the same time may also be used to determine the stability of the walker 1000 and the user's dependence on the walker 1000 and thus assess his recovery.
Preferably, as shown in fig. 6, which shows the upper half of the left brace 400, the first holding bar 430 further comprises a first portion 1.1, a gripping portion 8 and a second portion 2.1, the first portion 1.1 is connected with the upper end of the first stand pipe 1 and may also be integrally formed with the upper end of the first stand pipe 1, the second portion 2.1 is connected with the upper end of the second stand pipe 2 and may also be integrally formed with the upper end of the second stand pipe 2, the gripping portion 8 is connected between the first portion 1.1 and the second portion 2.1 and is configured to be gripped by a user when the user uses the walker frame 1000. A first sensor 9 (six-dimensional force/torque sensor) is mounted between the first part 1.1 and the grip portion 8. Specifically, one end of the first sensor 9 is connected to the first portion 1.1 through the first sensor mount 6, the first portion 1.1 is inserted into the first flange opening 6.1 of the first sensor mount 6 and is fixed by welding, the other end of the first sensor mount 6 is connected to one end of the first sensor 9 through a screw, and the other end of the first sensor 9 is connected to the grip portion 8 through a screw. Preferably, the first holding rod 430 is further provided with a connecting rod 5, two ends of the connecting rod 5 are respectively provided with a first through pipe 5.1 and a second through pipe 5.2, the first portion 1.1 and the second portion 2.1 respectively penetrate through the first through pipe 5.1 and the second through pipe 5.2 at two ends of the connecting rod 5, and the first through pipe 5.1 and the second through pipe 5.2 of the connecting rod 5 are positioned and fixed on the first portion 1.1 and the second portion 2.1 through studs and screws. The structure of the right bracket 500 is the same as that of the left bracket 400, and thus, the description thereof is omitted.
Preferably, as shown in fig. 7 and 8, the walker frame 1000 further comprises a wheel-leg unit 300, the wheel-leg unit 300 comprising a leg bar 10 and a walking wheel 11, the leg bar 10 being detachably connected to the lower end of the lower vertical tube section 105 directly or indirectly, and the walking wheel 11 being detachably mounted on the leg bar 10. Preferably, in the present embodiment, a second sensor 107 (three-dimensional force sensor) is mounted at the lower end of the down pipe section 105 and at the upper end of the leg rod 10, i.e. the second sensor 107 (three-dimensional force sensor) is mounted between the down pipe section 105 and the leg rod 10. Specifically, the upper end of the second sensor 107 is connected to the lower end of the lower vertical pipe section 105 through the second sensor mounting seat 106, the lower vertical pipe section 105 is inserted into the second flange opening 106.1 of the second sensor mounting seat 106 and is fixed by welding, the lower end of the second sensor mounting seat 106 is connected to the upper end of the second sensor 107 through a screw, and the lower end of the second sensor 107 is detachably connected to the upper end of the leg rod 10, so that the leg rod 10 and the lower end of the lower vertical pipe section 105 are detachably connected indirectly through the second sensor 107 and the second sensor mounting seat 106. In an embodiment of the invention not shown, leg 10 and the lower end of lower riser section 105 can be directly detachably connected if the risers (in this embodiment first riser 1, second riser 2, third riser 3, fourth riser 4) are not provided with second sensor 107.
Preferably, in the present embodiment, the wheel-leg unit 300 further includes a wheel bolt 200 and a fastener 203, such as a wheel tightening hand wheel, the lower portion of the leg bar 10 is opened with a through groove 10.1 penetrating both sides of the leg bar 10, the wheel bolt 200 passes through the road wheel 11 and the through groove 10.1 and is fixed when the fastener 203 is tightened, and when the fastener 203 is loosened, the wheel bolt 200 can slide up and down along the through groove 10.1 to move the road wheel 11 between a traveling position where the road wheel 11 is in contact with the ground and the lower end portion of the leg bar 10 is spaced apart from the ground, and an idle position where the road wheel 11 is spaced apart from the ground and the lower end portion of the leg bar 10 is in contact with the ground. Specifically, in the present embodiment, the wheel leg unit 300 further includes a washer 201 and a locking block 202, and the wheel bolt 200 passes through the traveling wheel 11, the washer 201, the through groove 10.1 and the locking block 202 in sequence and then is screwed into a threaded hole in the fastener 203 (wheel tightening handwheel) so as to be fixed by the fastener 203. Preferably, the lower end of the leg rod 10 is sleeved with a rubber pad 12 for anti-skid.
The walker 1000 of the present invention may be switched to different walker modes at any time for the detection task using different walkers. When the walking aid mode of the walking aid frame 1000 needs to be switched, the fastener 203 is unscrewed, the wheel bolt 200 can slide up and down along the through groove 10.1 so as to drive the walking wheel 11 to move between the walking position and the idle position, and the fastener 203 can also be unscrewed so as to detach the walking wheel 11, so that the contact mode of each wheel-leg unit 300 and the ground can be adjusted through the two switching modes; furthermore, the entire wheel leg unit 300 may also be removed, such that the lower end of the lower riser section 105 of the walker 1000 or the second sensor 107 (if provided) contacts the ground. The walking frame 1000 can be switched to a two-front-wheel walking frame, a four-wheel walking frame and a four-leg walking frame through the switching mode, so that a tester can perform a two-front-wheel walking frame data acquisition experiment, a four-wheel walking frame data acquisition experiment and a four-leg walking frame data acquisition experiment.
Preferably, as shown in fig. 1 to 5 and fig. 11 and 12, the walker frame 1000 further comprises a second cross tube 700, both ends of the second cross tube 700 being mounted on the respective holding rods (first holding rod 430, second holding rod 530) of the left bracket 400 and the right bracket 500 through the rotation post 16 and the rotation post nut 305. The second cross tube 700 includes a second left cross tube section 710 and a second right cross tube section 720, one of the second left cross tube section 710 and the second right cross tube section 720 (the second right cross tube section 720 in this embodiment) is inserted into the other of the second left cross tube section 710 and the second right cross tube section 720 (the second left cross tube section 710 in this embodiment), the second left cross tube section 710 and the second right cross tube section 720 are slidable relative to each other and lockable in one of a plurality of consecutive third locking positions by the third locking unit 730. As shown in fig. 11, the third locking unit 730 is sleeved on the other one of the second left cross tube section 710 and the second right cross tube section 720 (the second left cross tube section 710 in the present embodiment). Preferably, the third locking unit 730 has the same structure as the first locking unit 413 and the second locking unit 630 described above. Specifically, the locking seat 100 of the third locking unit 730 is sleeved on the other one of the second left cross tube section 710 and the second right cross tube section 720 (the second left cross tube section 710 in the present embodiment). In this embodiment, the second right cross tube section 720 is inserted into the second left cross tube section 710, and when the second locking unit 630 and the third locking unit 730 are released, the depth of the first right cross tube section 620 of the first crossbar 600 inserted into the first left cross tube section 610 and the depth of the second right cross tube section 720 of the second crossbar 700 inserted into the second left cross tube section 710 can be adjusted, so that the overall width of the walker frame 1000 can be steplessly adjusted to meet the width requirements of different users for the walker frame 1000. However, in other embodiments of the present invention not shown, it is also possible that the second left cross tube section 710 is inserted into the second right cross tube section 720.
Preferably, in the present embodiment, the second left cross tube section 710 includes a third connecting portion 711 and a fourth connecting portion 712, the third connecting portion 711 is inserted into one end of the fourth connecting portion 712 and fixedly connected and positioned by a screw and a threaded hole 15.1, the second right cross tube section 720 is inserted into the other end of the fourth connecting portion 712, and the third locking unit 730 is sleeved at the end of the fourth connecting portion 712 adjacent to the second right cross tube section 720. Preferably, second cross tube 700 further includes first rotary spacer 301, second rotary spacer 302, and third rotary spacer 303. Alternatively, the first rotating cushion block 301, the second rotating cushion block 302 and the third rotating cushion block 303 may all be made of a plastic material. Second through holes 307 are formed in the end portions of the second left transverse tube section 710 and the second right transverse tube section 720, first through holes 1.3 (shown in fig. 6) are formed in the first holding rod 430, third through holes 308, fourth through holes 309 and fifth through holes 310 are formed in the first rotating cushion block 301, the second rotating cushion block 302 and the third rotating cushion block 303 respectively, and the rotating column 16 on the side of the second left transverse tube section 710 sequentially penetrates through the first through holes 1.3 in the first holding rod 430, the fifth through holes 310 in the third rotating cushion block 303, the fourth through holes 309 in the second rotating cushion block 302, the second through holes 307 in the second left transverse tube section 710 and the third through holes 308 in the first rotating cushion block 301 and then is in threaded fit with the rotating column nut 305 to connect the second left transverse tube section 710 and the first holding rod 430 of the left bracket 400 together. The second right horizontal tube section 720 is connected to the second holding rod 530 of the right bracket 500 in the same manner, which is not described in detail herein. Preferably, the two open ends of the second cross tube 700 are provided with rubber stoppers 304 to prevent scratching of the user.
Preferably, as shown in fig. 1 to 5 and fig. 9 and 10, the first horizontal tube 600 is further provided with a first left standpipe section 18.2 and a first right standpipe section 17.2 at both ends, the first left standpipe section 18.2 and the first right standpipe section 17.2 are respectively sleeved on the first standpipe 1 and the third standpipe 3, and the first standpipe 1 can rotate relative to the first left standpipe section 18.2, and the third standpipe 3 can rotate relative to the first right standpipe section 17.2. Preferably, the first horizontal pipe 600 further comprises a locking ring 20, the locking ring 20 is provided with an insertion portion 211 on the inner wall, the first left vertical pipe section 18.2 and the first right vertical pipe section 17.2 are provided with a hole 222, when the insertion portion 211 of the locking ring 20 is inserted into the hole 222, the relative rotation between the first vertical pipe 1 and the first left vertical pipe section 18.2 and the relative rotation between the third vertical pipe 3 and the first right vertical pipe section 17.2 can be prevented, and the locking ring 20 positions and fixes the first horizontal pipe 600 on the first vertical pipe 1 and the third vertical pipe 3. Due to the above arrangement of the first and second cross tubes 600, 700, the walker frame 1000 can be folded, and when the walker frame 1000 is not in use, the walker frame 1000 can be folded up for convenient storage. Specifically, the folding of the walker frame 1000 can be achieved by first removing the locking ring 20 on the first cross tube 600 so that the first vertical tube 1 can be rotated with respect to the first left vertical tube section 18.2 and the third vertical tube 3 can be rotated with respect to the first right vertical tube section 17.2, then opening the third locking unit 730 on the second cross tube 700, then rotating the left brace 400 approximately 90 ° towards the inner space of the walker frame 1000 and rotating the right brace 500 approximately 90 ° towards the inner space of the walker frame 1000.
The walking frame provided by the invention is a walking frame capable of steplessly adjusting the height and the width, and preferably capable of detecting the force and moment information between a user and the walking frame and the contact force information between the walking frame and the ground, and has the following beneficial effects:
1) by adjusting the depth of insertion of the upper standpipe section into the lower standpipe section or the depth of insertion of the lower standpipe section into the upper standpipe section, the overall height of the walker frame can be adjusted steplessly; and/or the overall width of the walker frame can be steplessly adjusted by adjusting the depth to which the first right cross tube section is inserted into the first left cross tube section or the depth to which the first left cross tube section is inserted into the first right cross tube section, and by adjusting the depth to which the second right cross tube section is inserted into the second left cross tube section or the depth to which the second left cross tube section is inserted into the second right cross tube section, if a second cross tube is optionally provided; therefore, the walking frame can realize stepless height and width adjustment to meet the requirements of testers with different heights, different body types and different weights.
2) The walking frame can acquire a man-machine interaction force signal and a ground contact force signal between a user and the walking frame through a man-machine interaction detection device consisting of a first sensor (a six-dimensional force/moment sensor) and a second sensor (a three-dimensional force sensor). By using the walking frame of the invention to collect data in walking and other ways with different heights and widths, users can obtain different use data to analyze the optimal height and the optimal width which are suitable for the users, so as to avoid the problems of joint injury, muscle strain and the like caused by using the improper walking frame size.
3) The walking aid frame is simple in structure, safe, stable, convenient to use, foldable and convenient to store. Aiming at the detection tasks using different walking frames, the walking frame can be switched into different walking modes at any time. The contact mode of each wheel leg unit and the ground can be adjusted through the two switching modes by moving the travelling wheels between the travelling position and the idle position or detaching the travelling wheels; furthermore, the entire wheelleg unit may also be removed, so that the lower end of the lower riser section of the walker frame or the second sensor (if provided) contacts the ground. The walking frame can be switched into a two-front-wheel walking frame, a four-wheel walking frame and a four-leg walking frame through the switching mode, so that a tester can perform a two-front-wheel walking frame data acquisition experiment, a four-wheel walking frame data acquisition experiment and a four-leg walking frame data acquisition experiment.
4) The walking frame can be well used for carrying out data acquisition on the standing, walking and other states of a tester, the data can be used for detecting the kinematics characteristics of the old or disabled, establishing a joint moment model, distinguishing the research of the individual on the proper height and width of the walking frame, establishing the rehabilitation strategy of a demander and the like, evaluating the stability of the device and the like, and meanwhile, the walking frame can provide guiding significance for the innovative design and the size parameters of the walking frame.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
While the present invention has been described in connection with the embodiments, it is to be understood by those skilled in the art that the foregoing description and drawings are merely illustrative and not restrictive of the broad invention, and that this invention not be limited to the disclosed embodiments. Various modifications and variations are possible without departing from the spirit of the invention.
Claims (10)
1. A walker frame, comprising: the left support and the right support respectively comprise a holding rod and a vertical pipe, and the holding rod is connected with the upper end of the vertical pipe;
wherein each of the risers comprises an upper riser section and a lower riser section, one of which is inserted into the other of the upper and lower riser sections, the upper and lower riser sections being slidable relative to each other and lockable by a first locking unit in one of a consecutive plurality of first locking positions; and/or
The first cross tube includes a first left cross tube section and a first right cross tube section, one of which is inserted into the other of which is slidable relative to each other and lockable in one of a plurality of consecutive second locking positions by a second locking unit.
2. The walker frame of claim 1 further comprising a human interaction detection device including a first sensor disposed on the gripping bar for collecting force and moment information between the user and the walker frame when the walker frame is in use and/or a second sensor disposed on the riser for collecting contact force information between the walker frame and the ground when the user is in use.
3. The walker frame of claim 2 wherein said first sensor is a six-dimensional force/moment sensor and said second sensor is a three-dimensional force sensor.
4. The walking frame of claim 1, wherein the first locking unit and the second locking unit each comprise a locking socket, a locking tab, a locking bolt, a first screw boss, a second screw boss, and a locking nut; the locking seat is sleeved on the other one of the upper vertical pipe section and the lower vertical pipe section or the other one of the first left transverse pipe section and the first right transverse pipe section; the first spiral boss is arranged in the first groove of the locking seat and is fixedly connected with the locking seat; the second spiral boss is arranged in the second groove of the locking pull ring and is fixedly connected with the locking pull ring; the locking seat and the locking pull ring form a rotation pair through the locking bolt and the locking nut; the locking seat and the locking pull ring realize the locking function through the first spiral boss and the second spiral boss.
5. The walking frame of claim 1, wherein a first anti-rotation member is provided on said one of the upper and lower riser sections, a first slot being opened on said other of the upper and lower riser sections, the first anti-rotation member having a width equal to or slightly less than the width of the first slot, the first anti-rotation member fitting in and being slidable along the first slot.
6. The walker frame as claimed in claim 1 wherein a second anti-rotation element is provided on said one of said first left cross tube section and said first right cross tube section, a second slot being cut in said other of said first left cross tube section and said first right cross tube section, said second anti-rotation element having a width equal to or slightly less than the width of said second slot, said second anti-rotation element fitting in and being slidable along said second slot.
7. The walker frame of claim 1 further comprising a wheel-leg unit including a leg bar and a walking wheel, said leg bar being detachably connected directly or indirectly to the lower end of the lower riser section and said walking wheel being detachably mounted on said leg bar.
8. The walker frame as claimed in claim 7 wherein the wheel-leg unit further includes a wheel bolt and a fastener, the lower portion of the leg bar having a through slot formed therethrough on both sides of the leg bar, the wheel bolt passing through the walking wheel and the through slot and being fixed when the fastener is tightened, the wheel bolt being slidable up and down the through slot when the fastener is loosened to move the walking wheel between a walking position in which the walking wheel is in contact with the ground and the lower end of the leg bar is spaced from the ground, and an idle position in which the walking wheel is spaced from the ground and the lower end of the leg bar is in contact with the ground.
9. The walker frame of claim 1 wherein said left leg includes two of said vertical tubes, a first vertical tube and a second vertical tube, respectively, and a first support bar connected between a middle portion of said first vertical tube and a middle portion of said second vertical tube, said right leg includes two of said vertical tubes, a third vertical tube and a fourth vertical tube, respectively, and a second support bar connected between a middle portion of said third vertical tube and a middle portion of said fourth vertical tube, said first cross tube being connected between said first vertical tube and said third vertical tube.
10. The walker frame as claimed in claim 9 further comprising a second cross tube having both ends mounted on the gripping rods of the left and right brackets by means of rotation posts and rotation post nuts, the second cross tube comprising a second left cross tube section and a second right cross tube section, one of the second left cross tube section and the second right cross tube section being inserted into the other of the second left cross tube section and the second right cross tube section, the second left cross tube section and the second right cross tube section being slidable relative to each other and lockable by a third locking unit in one of a plurality of consecutive locking positions; the first horizontal pipe is further provided with a first left vertical pipe section and a first right vertical pipe section at two ends, the first left vertical pipe section and the first right vertical pipe section are respectively sleeved on the first vertical pipe and the third vertical pipe, the first vertical pipe can rotate relative to the first left vertical pipe section, and the third vertical pipe can rotate relative to the first right vertical pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436110.2A CN113143703A (en) | 2021-04-22 | 2021-04-22 | Walking aid frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436110.2A CN113143703A (en) | 2021-04-22 | 2021-04-22 | Walking aid frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113143703A true CN113143703A (en) | 2021-07-23 |
Family
ID=76869730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110436110.2A Pending CN113143703A (en) | 2021-04-22 | 2021-04-22 | Walking aid frame |
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| Country | Link |
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| CN (1) | CN113143703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113975108A (en) * | 2021-11-19 | 2022-01-28 | 北京航空航天大学 | Intelligent walking aid device and method for controlling and adjusting configuration of intelligent walking aid device |
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Application publication date: 20210723 |