CN213250964U

CN213250964U - Fixed walking device

Info

Publication number: CN213250964U
Application number: CN202020922127.XU
Authority: CN
Inventors: 田野
Original assignee: Hebei Daai Intelligent Technology Co ltd
Current assignee: Hebei Daai Intelligent Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-05-25
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a fixed running gear, fixed running gear includes: the waist support component is enclosed to form an annular structure and is used for enclosing the waist of the patient; the upper end of the support component is rotatably connected with the waist support component so as to be capable of swinging back and forth relative to the waist support component; two pedal assemblies, connect the underpart of a said supporting assembly separately; the connecting rods are respectively and rotatably connected with the two pedal assemblies so as to be capable of swinging in the front-back direction under the driving of the pedal assemblies; and a sliding bearing mounted to the connecting rod, and an outer circumferential surface of the sliding bearing being in contact with the footrest assembly. The utility model discloses technical scheme can effectively assist the paraplegia patient to walk upright.

Description

Fixed walking device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to fixed walking device.

Background

For human body, various complications may occur if the patient is bedridden for a long time. Therefore, the human body needs to be in an upright state frequently, and all organs of the body can work normally. However, since the paraplegic patient cannot control under the chest, it is difficult for such a patient to maintain an upright walking by self-help, and the walking needs to be assisted by the related equipment and others. At present, no device capable of assisting a paraplegic patient to walk upright exists in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a fixed walking device, which aims to effectively assist the paraplegic patient to walk vertically.

In order to achieve the above object, the utility model provides a fixed walking device, include:

the waist support component is enclosed to form an annular structure and is used for enclosing the waist of the patient;

the upper end of the support component is rotatably connected with the waist support component so as to be capable of swinging back and forth relative to the waist support component;

two pedal assemblies, connect the underpart of a said supporting assembly separately;

the connecting rods are respectively and rotatably connected with the two pedal assemblies so as to be capable of swinging in the front-back direction under the driving of the pedal assemblies; and the number of the first and second groups,

a sliding bearing mounted to the connecting rod, and an outer circumferential surface of the sliding bearing contacts the pedal assembly.

Optionally, two ends of the connecting rod are respectively provided with one sliding bearing, and each sliding bearing corresponds to one pedal assembly.

Optionally, the connecting rod includes hollow pole and connecting piece, the one end of connecting piece with the tip of connecting rod is inserted and is closed, the other end of connecting rod is equipped with the connecting axle, slide bearing install in the connecting axle.

Optionally, the connecting rod is spaced apart from the footrest assembly.

Optionally, the fixed walking device further comprises a compression-resistant bearing, and the compression-resistant bearing is sleeved on the rotation shaft of the pedal assembly and the connection rod.

Optionally, two compression bearings are sleeved on each rotating shaft, and the connecting rod is located between the two compression bearings.

Optionally, the rotation shaft is a screw threadedly engaged with the footrest assembly.

Optionally, the connecting rod is mounted to a bottom surface of the footrest assembly, and the sliding bearing is in contact with the bottom surface of the footrest assembly.

Optionally, the support assembly is rotatably connected with the waist support assembly through a bearing sleeve.

Optionally, the fixed walker further comprises a pushing handrail and a connecting sleeve, wherein the pushing handrail is mounted on the connecting sleeve and extends forwards; the connecting sleeve is tightly sleeved outside the supporting component, and the bottom surface of the waist support component is abutted to the top surface of the connecting sleeve.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the fixed traveling device of the present invention;

FIG. 2 is a schematic structural view of the fixed walker in FIG. 1 with the waist support assembly open;

FIG. 3 is a top view of the waist support assembly of FIG. 1;

FIG. 4 is a sectional view of the structure of a portion of the fixed traveling unit of FIG. 1;

FIG. 5 is a front view of the fixed walker of FIG. 1;

FIG. 6 is a bottom plan view of the footrest assembly of FIG. 1;

FIG. 7 is an exploded perspective view of a portion of the foot pedal assembly of FIG. 6.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				11	Waist protecting ring	25	Compression-resistant bearing
111	Rotating hole	26	Rotating shaft
				12	Bearing sleeve	30	Support rod
21	Foot pedal	40	Knee pad assembly
				22	Connecting rod	41	Connecting plate
221	Hollow rod	42	Knee pad baffle
				222	Connecting piece	50	Push handrail
223	Connecting shaft	60	Connecting sleeve
				24	Sliding bearing

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a fixed running gear, this fixed running gear include waist support subassembly, pedal subassembly and supporting component.

Referring to fig. 1 to 4, the waist support assembly is enclosed to form a ring structure for enclosing the waist of the patient. The waist support assembly specifically comprises a waist support ring 11, the waist support ring 11 is arranged around the waist of the patient, and the width of the waist support ring 11 in the vertical direction can be larger, so that the supported area of the waist of the patient is larger, and the supporting effect is better. Wherein, the waist support ring 11 can be formed by splicing a plurality of plate bodies to form an annular structure. In order to avoid discomfort of the patient, the inner circumferential surface of the waist support component can be provided with soft pieces, such as silica gel, rubber, sponge, cloth products and the like, so that the patient can be in soft contact with the waist support component, and the buffering and protection effects are achieved. In addition, the waist support assembly may be a belt-like structure.

The number of the pedal assemblies is usually two, and the two pedal assemblies are distributed at intervals along the left-right direction and are positioned below the waist support assembly. The footrest assembly may have a foot plate 21 for supporting the patient's feet, i.e., the patient's left and right feet are placed on two different foot plates 21, respectively. The purpose of two pedal assembly along left and right direction interval distribution is in order to prevent the interference between the two when two pedal assembly move forward in proper order. The footrest assembly may also be provided with some form of protective structure such as straps to secure the patient's foot against relative movement between the foot and the footrest 21. Or, the pedal 21 may be provided with a limiting groove, and the sole of the patient is placed in the limiting groove, so that the movement of the foot of the patient can be prevented.

Similarly, there are two corresponding support assemblies, and the lower ends of the two support assemblies are correspondingly connected with the two pedals 21, that is, the lower end of one support assembly is connected with one pedal 21, and the lower end of the other support assembly is connected with the other pedal 21. The upper ends of the two supporting components are connected with the waist support component, so that the waist support component is supported. In this embodiment, the two support assemblies are also distributed along the left-right direction and are generally distributed on the left side and the right side of the waist support assembly, so that the left side and the right side of the waist support assembly are supported, and the stress balance is realized. It is contemplated that the support assembly extends generally in an up-down direction. The support member may be a rod-like structure, or the support member may be a plate-like structure, or the support member may be formed by a combination of a plurality of connecting rods 22, or the like.

In order to enable the pedal assembly to move back and forth, in one embodiment, the upper end of the supporting assembly is rotatably connected to the waist support assembly so as to swing back and forth relative to the waist support assembly, thereby driving the pedal 21 to swing back and forth. During operation, when the lower end of the left supporting component swings forwards, the left supporting component drives the left pedal component to move forwards, so that the left foot of a patient is driven to move forwards; then, when the lower extreme with right side supporting component swung forward, right supporting component drove right pedal subassembly and moved forward to drive patient's right foot and stride forward, two supporting component about so swing in turn, thereby realize patient's upright walking. Simultaneously, because patient's waist is enclosed to establish including by the waist support subassembly, this waist support subassembly protects and supports patient's waist, prevents that the patient from empting. By using the fixed walking device, the paraplegia patient can be effectively assisted to walk upright, so that the patient can move, and complications of the patient can be reduced or even avoided.

The fixed walker may further comprise two knee pad assemblies 40, each of said knee pad assemblies 40 being connected to one of said footboard 21 or to one of said support assemblies, said knee pad assemblies 40 being adapted to shield the front side of the patient's knee. The knee pad assembly 40 may have a strap configuration to enclose the patient's knees and prevent them from swinging, resulting in displacement of the feet relative to the foot plate 21. In addition, the knee pad assembly 40 may also be constructed with an arc-shaped shield plate to shield the front side of the knee from falling forward. In one embodiment, the knee pad assembly 40 is directly attached to the foot plate 21 to facilitate positioning of the knee pad assembly 40 and the area of the foot plate 21 on which the patient's foot rests, thereby providing better knee and foot restraint. Of course, in one embodiment, the knee brace assembly 40 can be directly connected to the support rod 30. the knee brace assembly 40 can include a laterally extending web 41 and a knee brace 42 disposed on the web, and the knee brace 42 can be U-shaped or arcuate to better fit the knee joint. The knee guard 42 may be made of a soft material such as silicone, rubber, sponge, etc., which provides a certain impact resistance.

In one embodiment, the waist support assembly has a rotation hole 111 on each of the left and right sides thereof, the support assembly includes support rods 30, the support rods 30 extend substantially in the up-down direction, each of the support rods 30 is rotatably engaged with one of the rotation holes 111, and the lower end of the support rod 30 is directly connected to the foot board 21. In this embodiment, a gap is formed between the supporting rod 30 and the hole wall of the rotating hole 111, so as to prevent the supporting rod 30 and the rotating hole from being locked, and when the upper end of the supporting rod 30 is pushed backward, the lower end of the supporting rod 30 can swing forward. In order to reduce friction, the rotation hole 111 may be provided with a bearing sleeve 12 to be engaged with the support rod 30, so that the manufactured assembly is rotatably connected with the waist support assembly through the bearing sleeve 12.

In order to facilitate the forward and backward swinging of the supporting component, in an embodiment, the fixed walker further comprises a push handrail 50, and the push handrail 50 is connected to the upper end of the supporting component and extends forwards. It should be noted that the upper end of each support rod 30 is provided with a push handrail 50. The patient can swing the support rod 30 connected to the push handle 50 forward by pushing the push handle 50.

In one embodiment, the supporting component is provided with a connecting sleeve 60, the connecting sleeve 60 is tightly sleeved outside the supporting component, the push handrail 50 is connected with the connecting sleeve 60, and the bottom surface of the waist support component is abutted against the top surface of the connecting sleeve 60. In this embodiment, the connecting sleeve 60 is located below the waist support assembly to limit the downward movement of the waist support assembly. Also, the connection sleeve 60 between the push handle 50 and the support member serves as a lower stopper of the lumbar support member, which contributes to the simplification of the overall structure.

Referring to fig. 5 to 7, in the embodiment of the present invention, the pedal assembly further includes a connecting rod 22, and the connecting rod 22 is rotatably connected to the two pedals 21 respectively to swing back and forth along with the pedals 21. In this embodiment, the axis of rotation 26 between the connecting rod 22 and the pedal 21 may be in the vertical direction. Of course, in other embodiments, the rotation axis 26 between the connecting rod 22 and the pedal plate 21 may be along other directions, as long as the connecting rod 22 can swing back and forth. Specifically, when the left foot board 21 swings forward, the left end of the connecting rod 22 is driven to swing forward, and when the right foot board 21 swings forward, the right end of the connecting rod 22 is driven to swing forward. In this embodiment, the connecting rod 22 can limit the swing amplitude of the left foot board 21 relative to the right foot board 21, and also limit the swing amplitude of the right foot board 21 relative to the left foot board 21, so as to avoid the step from stepping off too much and avoid the left-hand kick. The connecting rod 22 is provided to connect the left and right pedals 21, so as to prevent the two pedals 21 from separating, and thus, when the patient takes a step forward, the patient is limited in stride, and the patient can be prevented from falling down.

In one embodiment, the connecting rod 22 is located on the bottom surface of the pedal 21, and the connecting rod 22 is stressed more uniformly than on the side surface.

In the embodiment of the present invention, the fixed walking device further comprises a sliding bearing 24, the sliding bearing 24 is installed on the connecting rod 22, and the outer peripheral surface of the sliding bearing 24 contacts with the pedal assembly. Specifically, the inner race of the slide bearing 24 is fixed to the connecting rod 22, and the outer race of the slide bearing 24 is in contact with the footrest assembly. In the walking process, the slope of fixed walking ware can cause the unbalance of two running-boards 21 about, sets up slide bearing 24 after, and the produced lever power of slide bearing 24 can be corrected this slope, and consequently when pressure conduction was to slide bearing 24 on, the resistance when removing can effectively be alleviated in slide bearing 24's rotation for two running-boards 21 back-and-forth movements about make more smooth and easy.

Alternatively, one of the sliding bearings 24 is provided at each end of the connecting rod 22, and each of the two sliding bearings 24 corresponds to one of the pedal assemblies. In this way, the two pedal assemblies move more smoothly when moving forward and backward under the action of the respective sliding bearings 24.

In one embodiment, the connecting rod 22 is spaced apart from the footrest assembly. In this embodiment, the connecting rod 22 is connected to the pedal assembly through the rotating shaft 26, and the sliding bearing 24 contacts with the pedal assembly, so that the connecting rod 22 can be spaced from the pedal assembly, and thus, the contact area between the connecting rod 22 and the sliding bearing 24 as a whole and the pedal assembly is small, the friction between each other can be reduced, and the forward and backward movement of the pedal assembly is smoother.

In one embodiment, the connecting rod 22 includes a hollow rod 221 and a connecting member 222, one end of the connecting member 222 is inserted into an end of the connecting rod 22, the other end of the connecting rod 22 is provided with a connecting shaft 223, and the sliding bearing 24 is mounted on the connecting shaft 223. In this embodiment, the connection member 222 is inserted from the end of the hollow shaft 221, so that the hollow shaft 221 is connected to the connection member 222 only by its own hollow region, and no additional opening is required on the hollow shaft 221 to connect to the connection member 222. In addition, the structure of the hollow rod 221 is beneficial to reducing the material consumption and saving the cost. In addition, the sliding bearing 24 is convenient to disassemble, assemble, replace or maintain in a direct insertion and matching mode.

The connecting member 222 may be square, and may also be a hollow structure, for example, and the end of the connecting member 222 facing the hollow rod 221 is open and the end facing away from the hollow rod 221 is closed, so as to conveniently dispose the connecting shaft 223. The connecting member 222 further has a limit side edge protruding laterally from the connecting member 222 and abutting against the end surface of the connecting rod 22 to limit the movement of the connecting member 222 toward the hollow rod 221. Wherein, the inner ring of the sliding bearing 24 is sleeved on the connecting shaft 223.

In one embodiment, the fixed walker further comprises a compression-resistant bearing 25, and the compression-resistant bearing 25 is sleeved on the rotating shaft 26 of the pedal assembly and the connecting rod 22 by the bearing 12. Alternatively, the pivot axle 26 is provided on the bottom surface of the footrest assembly and extends downward. The compression bearing 25 rotates when impacted by a compression force to distribute the compression force applied to the foot pedal assembly from the patient. Thus, when the inclination of the fixed walker causes imbalance of the two pedals 21 during walking, the connecting rod 22 corrects the inclination by the lever force generated by the rotating shaft 26, the pressure-resistant bearing 25 and the sliding bearing 24, and the pressure is transmitted to the distal sliding bearing 24, so that the rotation of the sliding bearing 24 can effectively relieve the resistance during movement.

In one embodiment, two of the compression-resistant bearings 25 are sleeved on each of the rotating shafts 26, and the connecting rod 22 is located between the two compression-resistant bearings 25.

In one embodiment, the rotation shaft 26 is a screw threadedly coupled to the footrest assembly, so that the assembly of the connecting rod 22 and the compression bearing 25 can be facilitated. Wherein the nut of the screw is located at the lower end and abuts against the lower one of the upper and lower pressure-resistant bearings 25 to prevent it from being separated from the rotating shaft 26.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. A fixed walker, comprising:

2. The fixed walker as claimed in claim 1 wherein said connecting rods are provided at each end with one of said slide bearings, one for each of said foot assemblies.

3. The fixed walker as claimed in claim 1, wherein the connecting rod comprises a hollow rod and a connecting member, one end of the connecting member is inserted into the end of the connecting rod, the other end of the connecting rod is provided with a connecting shaft, and the sliding bearing is mounted to the connecting shaft.

4. The fixed walker as claimed in claim 1 wherein said connecting rods are spaced from said tread assembly.

5. The fixed walker as claimed in claim 1 further comprising a compression bearing, said compression bearing being journaled about the axis of rotation of said treadle assembly and said connecting rod.

6. The fixed walker as claimed in claim 5 wherein two of said compression bearings are mounted on each of said rotatable shafts, said connecting rod being located between said compression bearings.

7. The fixed walker as claimed in claim 5 wherein said pivot shaft is a screw threadedly engaged with said treadle assembly.

8. The fixed walker as claimed in any one of claims 1-7 wherein the connecting rods are mounted to the bottom surface of the footrest assembly and the slide bearings are in contact with the bottom surface of the footrest assembly.

9. The fixed walker as claimed in claim 1 wherein said support assembly is rotatably connected to said lumbar support assembly by a bearing housing.

10. The fixed walker according to claim 1 further comprising a push handle and a connection sleeve, wherein the push handle is mounted on the connection sleeve and extends forward; the connecting sleeve is tightly sleeved outside the supporting component, and the bottom surface of the waist support component is abutted to the top surface of the connecting sleeve.