CN209899991U - Walking vehicle for assisting outdoor walking of patient/old man - Google Patents

Abstract

The utility model relates to an outdoor walking vehicle of walking of supplementary patient/old man belongs to supplementary walking equipment field, and the poor old man or the patient that nevertheless the leg foot is powerful of main solution equilibrium do not have suitable problem of supplementary walking equipment, and the walking vehicle includes frame, seat portion, roller train, wherein the roller train sets up the frame below, the whole approximate long U-shaped structure of frame encloses into the opening space of an approximate long U-shaped, seat portion sets up just be close to the segmental arc of frame in the long U-shaped opening space of frame, patient/old man can stand hand frame opening side and support the proper motion on the frame and go to the segmental arc shallow walking, also can sit on the seat portion and drive the walking with the pedal towards the segmental arc face opening side by oneself. The walking vehicle is more suitable for the old or the patient with poor balance but powerful legs and feet.

Description

Walking vehicle for assisting outdoor walking of patient/old man

Technical Field

The utility model relates to a supplementary walking equipment field, concretely relates to outdoor walking vehicle of walking of supplementary patient/old man.

Background

When the old or the patient has walking inconvenience due to physical reasons, the old or the patient generally walks by means of the auxiliary tool. At present, wheelchairs and walking sticks are common auxiliary walking tools for old people or patients, and can be selected for use according to self conditions, the common wheelchairs are used for the conditions that the legs and the feet are weak to support the body and cannot stand, and the walking sticks need to be coordinated with the body of the user and have certain supporting force for the legs and the feet.

The brain disease and the elderly, the balance function of the cerebellum is disturbed to cause unstable standing, the walking stick is inclined forwards due to self-protection consciousness, the patient cannot be supported sufficiently by the walking stick, and the walking stick cannot be used particularly under the condition that the weight of the patient is large or the strength of the leg is weak. Under the condition, people often choose to use the wheelchair to be pushed by the help of other people or drive the wheelchair by hand, but the wheelchair is difficult to control and is extremely easy to fall down because the wheels of the wheelchair are large and the whole weight of the wheelchair is light (the wheelchair is designed for people who can not stand and walk, so the design of the diameter of the wheels is good or the material of the wheelchair and the whole weight design is good and light).

At present, no device capable of assisting a patient/old people who have legs and feet and certain strength and can stand by themselves for walking but have poor body balance exists in the prior art, and the problem to be solved in the prior art is to develop a substitute tool between a wheelchair and a crutch.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: provides a walking vehicle for assisting a patient/old people to walk outdoors, which can assist the old people and the patient who can not balance the walking of the body and have certain strength on the legs to walk. The walking assisting device is arranged between the wheelchair and the walking stick, not only can enable patients and old people to walk by a cart, but also can be conveniently assisted by the walking of the walker, and can also be driven by the friction force between feet and the ground to walk by sitting on the walker.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the walking vehicle comprises a frame, a seat part and a roller group, wherein the roller group is arranged below the frame, the whole long U-shaped structure of the frame encloses a long U-shaped opening space, the seat part is arranged in the long U-shaped opening space of the frame and is close to an arc-shaped section of the frame, a patient/old man can stand up to hold the opening side of the frame to support the body on the frame and walk towards the arc-shaped section cart, and the patient/old man can sit on the seat part and drive the vehicle to walk with pedals by oneself back towards the arc-shaped section and towards the opening side.

Preferably, the frame comprises an upper support frame in a long U shape and a lower support frame in a long U shape.

Preferably, the upper and lower supporting frames are respectively composed of an elliptic arc section, a first straight section and a second straight section which are positioned at two sides of the elliptic arc section, the three sections form a long U-shaped axisymmetric opening structure, and in overlooking projection, the symmetric axis of the lower supporting frame is coincided with the symmetric axis of the upper supporting frame and the direction of the opening end is consistent, so that the stability of the walker is maintained.

Preferably, a plurality of support rods connected between the upper support frame and the lower support frame are further arranged between the upper support frame and the lower support frame.

Preferably, the height between the upper and lower support frames is in the range of 50 cm to 70 cm.

Preferably, the upper support frame and the lower support frame are in shapes, the size of the upper support frame is smaller than that of the lower support frame, and the top view projection of the upper support frame is positioned in the top view projection of the lower support frame; the structure with small upper part and big lower part ensures that the walking vehicle is more stable and is not easy to overturn when in use.

Preferably, a distance between a top view projection contour line of the arc-shaped section of the upper support frame and a top view projection contour line of the arc-shaped section of the lower support frame is dn, a contour line distance between a top view projection of the first straight section of the upper support frame and a top view projection of the first straight section of the lower support frame and a contour line distance between a top view projection of the second straight section of the upper support frame and a top view projection of the second straight section of the lower support frame are dm, and dn is greater than or equal to dm.

Preferably, dm is equal to the pipe diameter D2 of the lower support frame, and dn is 1-1.3 times of D2.

Preferably, the lengths of the first straight section and the second straight section of the upper support frame and the lower support frame are equal, the radian of the arc section is within the range of 124-180 degrees, and the chord distance of the arc section of the lower support frame is 5 in proportion to the lengths of the first straight section and the second straight section: 7-6: 5, the length ratio of the chord distance of the arc-shaped section of the upper support frame to the first and second straight sections is 4: 7-1: 1; the ratio of the chord length of the arc segment of the lower support frame to the width of the opening of the first straight section and the height distance between the arc segment of the lower support frame and the upper and lower support frames is about 5: 6: 7-1: 1: 1, the ratio of the arc segment chord length of the upper supporting frame to the opening width of the first straight section and the height distance between the upper supporting frame and the lower supporting frame is about 4: 6: 7-1: 1: 1.

preferably, the length of the first straight section and the second straight section of the upper support frame is between 50 and 70 centimeters; the width of the opening end of the upper support frame is 45-50 cm, the lengths of the first straight section and the second straight section of the lower support frame are 50-70 cm, and the width of the opening end of the lower support frame is 55-60 cm; the width from the top point of the arc-shaped section of the lower support frame to the end point is 20-30 cm, and the width from the top point of the arc-shaped section of the upper support frame to the end point is 15-25 cm.

Preferably, the weight of the lower support frame is greater than that of the upper support frame, so that the center of gravity of the walker is reduced, and the stability of the walker is further improved.

Preferably, the upper and lower support frames are tubular structures.

Preferably, the inside of lower carriage sets up the counter weight and adjustable, according to user's weight, adjusts the counter weight, further optimizes the weight and the stability of walking car.

Preferably, the seat part is arranged on the supporting rod in a foldable and liftable mode, and the height of the seat is adjusted to be convenient for users with different heights to use.

Preferably, the seat part is fixed through the seat beam, two ends of the seat beam are respectively fixed on the two opposite support rods, and a user can adjust the height of the seat beam according to the height condition to enable the seat part to be in a proper position.

Preferably, the supporting rod is detachably connected with the upper supporting frame, the supporting rod is detachably connected with the lower supporting frame, and the detachable structure facilitates transportation of the trolley.

Preferably, there are 4 support rods, wherein two ends of two support rods are respectively fixed on the end faces of the open ends of the upper and lower support frames; two ends of the other two support rods are arranged at the joint of the arc line segment and the straight line segment which are close to the upper support frame and the lower support frame.

Preferably, the roller group is provided with 4 rollers and is arranged on the same plane, wherein the first roller and the second roller are symmetrically arranged at the front lower parts of the two sides of the opening end of the lower support frame; the third roller and the fourth roller are symmetrically arranged at the rear lower part of the arc-shaped section of the lower support frame.

Preferably, a cross beam is arranged at the arc-shaped section of the lower support frame, and the third roller and the fourth roller are symmetrically arranged below the cross beam; further preferably, the outer edges of the first roller and the second roller are flush with the end face of the opening side of the lower support frame, and the outer edges of the third roller and the fourth roller are flush with the outer edge of the arc-shaped section of the lower support frame. Theoretically, the stability that the gyro wheel is closer to device outside edge walker is higher, but if the wheel protrusion can bump user or other people easily, so the preferred scheme is set up in the edge of device as far as possible under the condition that the gyro wheel is not protruding.

Preferably, the rollers of the roller group are universal wheels with brake devices. The walker can be fixed in case of need, preventing the device from moving.

Preferably, the two sides of the opening end of the lower support frame are respectively provided with a pedal, the pedals are horizontally placed towards the inner side of the opening end when the lower support frame is used, and the pedals are vertically placed after being turned over when the lower support frame is not used.

Preferably, the opening end part of the upper support frame is provided with the armrest part made of soft materials, so that the user can experience more comfortably.

Preferably, a seat belt is provided on the seat portion.

Preferably, the seat portion is provided with a backrest, the backrest is perpendicular to the seat portion, the backrest is fixed on the seat portion or fixed on the support frame, and the backrest can make a user feel more comfortable during rest or use.

Preferably, a storage basket is arranged above the inner side of the lower support frame and is positioned below the seat part.

Preferably, the inner side of the upper support is provided with a foldable shielding part, the shielding part is made of a light-shading and rainproof soft material, and the shielding part is fixed on the upper support frame through a plurality of umbrella ribs. The user can easily cope with different weather conditions.

Compared with the prior art, the utility model has the advantages that: the walking vehicle comprises a frame, a seat part and a roller group, wherein the roller group is arranged below the frame, the whole long U-shaped structure of the frame encloses a long U-shaped opening space, the seat part is arranged in the long U-shaped opening space of the frame and is close to an arc-shaped section of the frame, patients/old people can stand up to hold the opening side of the frame to support bodies on the frame to walk towards the arc-shaped section cart, and the patients/old people can sit on the seat part to drive the vehicle to walk with feet by oneself towards the opening side back to the arc-shaped section. Provides a walking assisting device more suitable than a wheelchair for patients or old people with poor body balance capability and powerful feet.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top projection view of the upper support frame and the lower support frame of the present invention;

FIG. 3 is a schematic structural view of the lower supporting frame of the present invention;

FIG. 4 is a schematic structural view of the frame of the present invention;

fig. 5 is a schematic structural diagram of the position of the roller set according to the present invention.

In the figure, 1-a frame, 11-an upper support frame, 111-an arc section, 112-a first straight section, 113-a second straight section, 12-a lower support frame, 121-an arc section, 122-a first straight section, 123-a second straight section, 123-a cross beam, 13-a support rod, 14-an armrest part, 2-a seat part, 21-a backrest, 31-a first roller, 32-a second roller, 33-a third roller, 34-a fourth roller, 4-a seat cross beam, 5-a pedal, 6-a storage basket, 7-a shielding part and 8-an umbrella rib.

D2-diameter of lower support;

dn is the distance between the arc section contour line of the upper support frame and the arc section projection contour line of the lower support frame in the overlooking projection;

dm-in a top view projection, the first straight section (second straight section) contour line of the upper support frame is away from the first straight section (second straight section) contour line of the lower support frame.

Detailed Description

Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

As shown in figure 1, the walking vehicle for assisting the outdoor walking of the patient/the old comprises a frame 1, a seat part 2 and a roller group, wherein the roller group is arranged below the frame 1, the frame 1 is wholly surrounded by a long U-shaped structure to form a long U-shaped opening space, the seat part 2 is arranged in the long U-shaped opening space of the frame 1 and is close to an arc section of the frame 1, the patient/the old can stand up to hold the opening side of the frame 1 to support the body on the frame 1 and walk facing to the arc section by a trolley, and the patient/the old can sit on the seat part 2 to drive the vehicle to walk by stepping on the arc section and facing to the opening side by self.

Preferably, the upper and lower support frames 11, 12 are identical in shape, the size of the upper support frame 11 is smaller than that of the lower support frame 12, and the top view projection of the upper support frame 11 is located in the top view projection of the lower support frame 12, so that the frame as a whole forms a stable structure with a large bottom and a small top and a low center of gravity. The walking vehicle is more stable and is not easy to overturn when in use.

Preferably, the frame 1 includes two generally parallel disposed elongated U-shaped upper support frames 11, an elongated U-shaped lower support frame 12, and a plurality of support rods 13 connected between the upper and lower support frames.

Preferably, the upper and lower support frames 11 and 12 are respectively composed of elliptical arc- shaped sections 111 and 121, and first straight sections 112 and 122 and second straight sections 113 and 123 located at two sides of the elliptical arc- shaped sections 111 and 121, and the three sections form a long U-shaped axisymmetric opening structure, and in a top view projection, a symmetry axis of the lower support frame 12 coincides with a symmetry axis a of the upper support frame 11, and the opening directions of the symmetry axis and the second straight sections are the same. The symmetrical structure makes the center of the walking vehicle on the symmetrical axis, which can improve the stability of the walking vehicle and prevent the user from turning over when standing.

Preferably, the height between the upper and lower support frames 11, 12 is in the range of 50 cm-70 cm, which is convenient for users to use the walker with both hands supported thereon.

Preferably, the weight of the lower support frame 12 is greater than that of the upper support frame 11, so that the effect of lowering the center of gravity of the walker and further improving the stability of the walker can be achieved.

Preferably, the upper and lower support frames 11, 12 are tubular structures.

Preferably, the lower support frame 12 is internally provided with a counterweight and is adjustable; the counterweight can be disposed in various ways, such as placing a counterweight in the hollow tubular structure of the lower support frame 12, or detachably sleeving the counterweight on the lower support frame 12. According to the weight of the user, the balance weight is adjusted, and the weight and the stability of the walking vehicle are optimized. The materials of the upper support frame 11, the lower support frame 12 and the support rod 13 are preferably six-component galvanized welded steel pipe materials, so that the durability of the frame is improved.

Experiments show that the following parameters are refined to greatly improve the safety and stability of the walking vehicle in different use states of the vehicle:

preferably, as shown in fig. 2 and 3, in the top view projection, the distance between the top view projection contour line of the arc-shaped section 111 of the upper support frame 11 and the top view projection contour line of the arc-shaped section 121 of the lower support frame 12 is dn, the contour line distance between the top view projection of the first straight section 112 of the upper support frame 11 and the top view projection of the first straight section 122 of the lower support frame 12 is dm, the contour line distance between the top view projection of the second straight section 113 of the upper support frame 11 and the top view projection of the second straight section 123 of the lower support frame 12 is dm, and dn is greater than or equal to dm. Further preferably, dm is equal to the pipe diameter D2 of the lower support frame 12, and dn is 1-1.3 times of D2.

Further preferably, the lengths of the first straight sections 112, 122 and the second straight sections 113, 123 of the upper and lower support frames 11, 12 are equal, the radian of the arc-shaped sections 111, 121 is in the range of 124-180 degrees, and the ratio of the chord distance of the arc-shaped section 121 of the lower support frame 12 to the lengths of the first and second straight sections is 5: 7-6: 5, the length ratio of the chord distance of the arc-shaped section 111 of the upper support frame 11 to the first straight section and the second straight section is 4: 7-1: 1; the ratio of the chord length of the arc segment 121 of the lower support frame 12 to the opening width of the first second straight sections 122 and 123 and the height distance between the arc segment and the upper and lower support frames is about 5: 6: 7-1: 1: 1, the ratio of the chord length of the arc segment 111 of the upper support frame 11 to the opening width of the first straight section 112, 113 and the height distance between the arc segment and the upper and lower support frames is about 4: 6: 7-1: 1: 1.

further preferably, the first straight section 112, 122 and the second straight section 113, 123 have the same length, and the length thereof is between 50 cm and 70 cm; the width of the opening end of the upper support frame 11 is 45-50 cm, and the width of the opening end of the lower support frame 11 is 55-60 cm; the width from the top point of the arc-shaped section of the lower support frame 12 to the end point is 20-30 cm, and the width from the top point of the arc-shaped section of the upper support frame 11 to the end point is 15-25 cm.

Preferably, the seat part 2 is arranged on the supporting rod 13 in a foldable and liftable way, and is convenient for users with different heights to use by adjusting the height of the seat.

The lifting and folding can be realized in various ways, in the lifting way, the seat part 2 is fixed through a seat cross beam 4, two ends of the seat cross beam 4 are respectively fixed on two opposite support rods 13, a plurality of through holes in the vertical direction are arranged on the corresponding support rods 13, the seat cross beam 4 is fixed by penetrating through the through holes by screws, different through holes are selected to fix the cross beam, and a user can adjust the height of the seat cross beam according to the height condition to enable the seat part to be in a proper position; alternatively, two ends of the seat cross beam 4 are respectively fixedly connected with a hoop, the hoops are sleeved on the corresponding support rods 13, and the seat is adjusted to a proper height by releasing and screwing the hoops; or two ends of the seat beam 4 are respectively fixed with a ring, the seat beam 4 is sleeved on the support rod 13 by the rings, the rings are locked on the support rod 13 by screws, and the height of the seat is adjusted by releasing and screwing the screws; the height of the seat can be adjusted by utilizing the lifting cylinder. In the folding mode, the seat part 2 fixed on the seat beam 4 is driven to turn upwards by the rotation of the seat beam 4, the seat part 2 is in a vertical state, the folding of the seat part 2 is realized, and the seat beam 4 is preferably made of a reinforcing steel bar material with the diameter of 14 mm.

Preferably, as shown in fig. 4, the support rod 13 is detachably connected to the upper support frame 11, and the support rod 13 is detachably connected to the lower support frame 11, in a more preferred embodiment, a connection structure 15 is disposed at the connection position, the support rod 13 is sleeved outside the connection structure 15 or inserted into the connection structure 15, the support rod 13 and the upper and lower support frames 11 and 12 are both fixed on the connection structure by using screws, the number of the support rods 13 is preferably 4, and the connection positions are shown in fig. 4, wherein two ends of the two support rods are respectively fixed on the end faces of the open ends of the upper and lower support frames; the two ends of the other two support rods are arranged at the joint of the arc line segment and the straight line segment of the upper support frame and the lower support frame, and the connecting structure 15 is preferably made of a steel bar material with the diameter of 20 millimeters. The disassembly function of the frame is realized. The detachable structure facilitates the transportation of the walker.

Preferably, the roller group has 4 rollers, and is installed on the same plane, wherein the first roller 31 and the second roller 32 are symmetrically arranged at the front lower parts of the two sides of the opening end of the lower support frame 12; the third roller 33 and the fourth roller 34 are symmetrically arranged at the rear lower part of the arc-shaped section of the lower support frame 12.

Preferably, a cross beam 124 is arranged at the arc-shaped section 121 of the lower support frame 12 as shown in fig. 1 and 5, and the third roller 33 and the fourth roller 34 are symmetrically arranged below the cross beam 124; it is further preferable that the outer edges of the first roller 31 and the second roller 32 are flush with the open side end face of the lower support frame 12, and the outer edges of the third roller 33 and the fourth roller 34 are flush with the outer edge of the arc-shaped section 121 of the lower support frame 12. Theoretically, the stability that the gyro wheel is closer to device outside along walker is higher, but if the gyro wheel protrusion is collided with user or other people easily, so preferred scheme is set up in the edge of device as far as possible under the circumstances that the gyro wheel is not protruding. The material of the cross beam 124 is preferably a sextant welded steel tube.

Preferably, the rollers of the roller group are universal wheels with brake devices. The walker can be fixed in case of need, preventing the device from moving.

Preferably, both sides of the open end of the lower support frame 12 are respectively provided with a pedal 5, when in use, the pedal 5 is horizontally placed towards the inner side of the open end, and when not in use, the pedal 5 is vertically placed after being turned over; the folding of the footboard 5 may be achieved by connecting the footboard 5 and the lower support frame 12 with a hinge.

Preferably, the open end of the upper supporting frame 11 is provided with a handrail part 14 made of a soft material, so as to provide a more comfortable experience for the user.

Preferably, a seat belt (not shown) is provided on the seat portion 2.

Preferably, the seat portion 2 is provided with a backrest 21, the backrest 21 is disposed perpendicular to the seat portion 2, the backrest 21 is fixed on the seat portion 2 or on the frame 1, and the backrest 21 can make a user feel more comfortable when resting or using.

Preferably, a storage basket 6 is arranged above the inner side of the lower support frame 12, and the storage basket 6 is positioned below the seat part 2.

Preferably, the inner side of the upper support frame 11 is provided with a foldable shielding part 7, the shielding part 7 is made of a light-shading and rainproof soft material, the shielding part 7 is fixed on the upper frame 1 through a plurality of ribs 8, and the ribs 8 are preferably made of steel bars with the diameter of 6 mm.

Compared with the prior art, the structure of the invention has the main advantages that:

1) a walking aid for a patient or an old person is provided between a crutch and a wheelchair, and is particularly suitable for a patient or an old person who cannot balance themselves in the cerebellum, has powerful legs and feet, can stand up, and cannot walk and stand upright without difficulty. The walking vehicle is arranged between the wheelchair and the crutch, not only can enable a patient and the old to walk by a trolley, but also can facilitate the others to help the patient/the old to walk by assisting the trolley, and also can enable the patient/the old to sit on the walking vehicle to drive the trolley to walk by the friction force between feet and the ground, so that the walking vehicle has multiple purposes, is movable and quiet, is extremely beneficial to the outdoor walking of the patient/the old, and does not lie prone forwards and fall backwards when the patient/the old is used for the walking vehicle, the arms can be balanced and controlled, and the health of the patient/the old is greatly promoted, and the dependence on the trolley for nursing and caring by other people is reduced.

2) The whole U-shaped open type structure not only enables the whole frame to run more stably, but also enables patients/old people to be switched to various use states conveniently by themselves, and particularly enables the patients/old people to walk outdoors.

3) The optimal design of the parameters such as the upper size and the lower size, the upper light and the lower heavy, the integral structure proportion and the like of the frame further improves the stability and the safety of the walking vehicle under various use conditions for various types of patients/old people.

4) Due to the detachable design of the frame, the bicycle frame can be carried conveniently in a trip.

5) The height of the frame is adjustable, and the counterweight design greatly improves the adaptability of the vehicle to people with different heights and weights.

Although this structure is simple, it implies many innovative designs. The inventor of the application respectively applies the product models to patients after brain tumor operation, patients with cerebral apoplexy, patients with cerebral palsy and a plurality of old people of 80 years old or older, and obtains good effects. The application has great social benefit to the current China with 13 hundred million population and aging day by day.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims (23)

1. The utility model provides a walking vehicle that supplementary patient/old man outdoor walked which characterized in that: including frame, seat portion, the wheel train, wherein the wheel train sets up the frame below, the frame is whole to be enclosed into the opening space of a long U-shaped by long U-shaped structure, seat portion sets up in the long U-shaped opening space of frame and be close to the segmental arc of frame, patient/old man can stand up hand frame opening side and support the health on the frame and walk towards the segmental arc shallow, or sit on seat portion back of the body towards the segmental arc and drive the walking with the pedal by oneself to the opening side.

2. The walker of claim 1 wherein: the frame comprises a long U-shaped upper supporting frame and a long U-shaped lower supporting frame.

3. The walker of claim 2 wherein: the upper and lower supporting frames are respectively composed of an elliptic arc section, a first straight section and a second straight section, the first straight section and the second straight section are positioned on two sides of the elliptic arc section, the three sections form a long U-shaped axisymmetric opening structure, and in overlooking projection, the symmetry axis of the lower supporting frame coincides with the symmetry axis of the upper supporting frame, and the opening end directions of the symmetry axis and the symmetry axis of the upper supporting frame are consistent.

4. The walker of claim 3 wherein: a plurality of support rods connected between the upper support frame and the lower support frame are also arranged between the upper support frame and the lower support frame.

5. A travelator according to any one of claims 2-4, characteri zed in that: the height between the upper support frame and the lower support frame is within the range of 50-70 cm.

6. The walker of claim 5 wherein: the size of the upper support frame is smaller than that of the lower support frame, and the top view projection of the upper support frame is located in the top view projection of the lower support frame.

7. The walker of claim 6 wherein: the distance between the top view projection contour line of the arc-shaped section of the upper supporting frame and the top view projection contour line of the arc-shaped section of the lower supporting frame is dn, the top view projection of the first straight section of the upper supporting frame and the contour line distance between the top view projection of the first straight section of the lower supporting frame and the contour line distance between the top view projection of the second straight section of the upper supporting frame and the top view projection of the second straight section of the lower supporting frame are dm, and dn is larger than or equal to dm.

8. The walker of claim 7 wherein: dn is 1-1.3 times of pipe diameter D2.

9. The walker of claim 8 wherein: the first straight section and the second straight section of the upper support frame and the lower support frame are equal in length, the radian of the arc section is within the range of 124-180 degrees, and the chord distance of the arc section of the lower support frame is 5 in proportion to the lengths of the first straight section and the second straight section: 7-6: 5, the length ratio of the chord distance of the arc-shaped section of the upper support frame to the first and second straight sections is 4: 7-1: 1; the ratio of the chord length of the arc segment of the lower support frame to the width of the opening of the first straight segment and the height distance between the arc segment of the lower support frame and the upper and lower support frames is about 5: 6: 7-1: 1: 1, the ratio of the arc segment chord length of the upper supporting frame to the opening width of the first straight section and the height distance between the upper supporting frame and the lower supporting frame is about 4: 6: 7-1: 1: 1.

10. the walker of claim 9 wherein: the length of the first straight section and the second straight section of the upper support frame is between 50 and 70 centimeters; the width of the opening end of the upper support frame is 45-50 cm, the lengths of the first straight section and the second straight section of the lower support frame are 50-70 cm, and the width of the opening end of the lower support frame is 55-60 cm; the width from the top point of the arc-shaped section of the lower support frame to the end point is 20-30 cm, and the width from the top point of the arc-shaped section of the upper support frame to the end point is 15-25 cm.

11. The walker of claim 3 wherein: the weight of the lower support frame is greater than that of the upper support frame.

12. The walker of claim 11 wherein: the upper and lower support frames are tubular structures.

13. The walker of claim 12 wherein: the inside of lower carriage sets up counter weight and counter weight is adjustable.

14. The walker of claim 4 wherein: the seat part is arranged on the supporting rod in a foldable and liftable mode.

15. The walker of claim 14 wherein: the seat part is fixed through the seat crossbeam, and the both ends of seat crossbeam are fixed respectively on two relative bracing pieces, and the user can be according to the height condition height of adjusting the seat crossbeam and make seat part be in suitable position.

16. A traveller according to any of claims 14 or 15, characterised in that: the bracing piece with upper bracket is for dismantling the connection, the bracing piece with the lower carriage is for dismantling the connection.

17. The walker of claim 4 wherein: there are 4 support rods.

18. A walker as claimed in claim 3 wherein: the roller group is provided with 4 rollers and is arranged on the same plane, wherein the first roller and the second roller are symmetrically arranged at the front lower parts of the two sides of the opening end of the lower support frame; the third roller and the fourth roller are symmetrically arranged at the rear lower part of the arc-shaped section of the lower support frame.

19. The walker as claimed in claim 18, wherein: the arc-shaped section of the lower support frame is provided with a cross beam, and the third roller and the fourth roller are symmetrically arranged below the cross beam and close to two ends of the cross beam.

20. The walker as claimed in claim 19, wherein: the outer edges of the first idler wheel and the second idler wheel are flush with the end face of the opening side of the lower support frame, and the outer edges of the third idler wheel and the fourth idler wheel are flush with the outer edge of the arc-shaped section of the lower support frame.

21. A traveller according to any of claims 1, 18, 19, 20, characterised in that: and the rollers of the roller group are universal wheels with brake devices.

22. A walker as claimed in claim 3 wherein: the two sides of the opening end of the lower support frame are respectively provided with a pedal, the pedals are horizontally placed towards the inner side of the opening end when the lower support frame is used, and the pedals are vertically placed after being turned over when the lower support frame is not used.

23. The utility model provides a walking vehicle that supplementary patient/old man outdoor walked which characterized in that: the vehicle comprises a frame, a seat part and a roller group, wherein the frame comprises a long U-shaped upper support frame and a long U-shaped lower support frame, the size of the upper support frame is smaller than that of the lower support frame, and the frame integrally forms a stable structure with a large bottom and a small top and a lower center of gravity; the whole frame is surrounded by a long U-shaped structure to form a long U-shaped opening space, the seat part is arranged in the long U-shaped opening space of the frame and is close to the arc-shaped section of the frame, the roller group is provided with 4 rollers, wherein the first roller and the second roller are symmetrically arranged at the front lower parts of the two sides of the opening end of the lower support frame, and the third roller and the fourth roller are symmetrically arranged at the rear lower part of the lower support frame; the four rollers are preferably arranged at positions which do not extend out of the outer edge of the lower frame just to the front and the back of the frame and to the two sides of the frame.

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