TWI619484B - Foldable walking aid - Google Patents

Abstract

The invention provides a foldable walking device, comprising: a front frame and a rear frame, the front frame and the rear frame are pivotally connected to each other and can be folded and unfolded; The front frame and the rear frame; at least one connecting rod, the front end of which is pivoted on the seat plate, and the rear end thereof is pivotally disposed on the rear frame. The walking device of the present invention pulls the rear end of the seat plate to tilt the rear end of the seat plate upward, so that the connecting rod pivotally connected to the seat plate drives the rear frame to be displaced forward, and the assisting device can The row device is folded, the space occupied by the walking device is reduced, and the convenience of storage and transportation of the walking device is improved.

Description

Foldable walking aid

The present invention relates to a walking aid, in particular, to a foldable walking aid.

According to the progress of society and the development of medicine, the birth rate and mortality rate are decreasing year by year. The proportion of the elderly population in China is increasing sharply. The aging society has become a major issue that cannot be ignored. The phenomena and problems that have arisen are gradually emerging, such as the elderly. Affected by joint deterioration and physical decline, the body is not as flexible as a young person with a high degree of mobility and agility. Even if it is a street shopping, daily exercise or even a general walk, it is easy to stumble or even fall. While the elderly are affected by the aging of physiological functions, even if they are only slightly stumbled or wrestled, serious problems such as cracking of the bones, failure of the wound to stop bleeding, or other complications may occur.

In view of the above problems, there are many walking devices on the market to assist the elderly to walk. The walking device can help the elderly to make it more stable and smooth when walking. Even if the elderly are not stable, the walking device can immediately become a support. The auxiliary device of the body's center of gravity enables the elderly to support and balance their body, thereby avoiding dangerous situations such as tripping or wrestling, and improving the safety of walking for the elderly.

However, the conventional walking aid is bulky, even if the user does not use the walking device for a long time such as rest or sleep, the walking device still occupies a large amount of space, affecting the walking line of other people and even compressing the active area. Secondly, if When a user travels abroad, such as a family trip, the huge size of the walking device also makes it difficult to move and transport. Even if the user can ask the family to help move, the mover also needs a lot of effort to move the walking device to the car. As can be seen, the conventional walking device is not easy to store and transport.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a foldable walking aid that can be folded and reduced in size for storage and handling.

Another object of the present invention is to provide a foldable walking aid that is easily folded.

The utility model provides a foldable walking device, comprising: a front frame; a rear frame, the top end of which is pivotally connected to the front frame, and can be folded and unfolded relative to the front frame; a frame disposed between the front frame and the rear frame and movable up and down; a plate having a front end, a rear end and a pivoting portion, the pivoting portion being disposed at the front and the rear end of the seat plate The front plate is pivotally connected to the front frame, and the front end thereof is detachably connected to the rear frame; at least one connecting rod has a front end thereof The pivotal portion of the seat plate is pivotally connected, and the rear end thereof is pivotally disposed on the rear frame.

Therefore, the walking device of the present invention can lift the rear end of the seat plate upward by lifting the rear end of the seat plate, and the connecting rod pivotally connected to the pivoting portion of the seat plate drives the rear frame. The forward displacement can quickly and conveniently fold the walking device, reduce the space occupied by the walking device, and improve the convenience of storage and transportation of the walking device.

10‧‧‧Foldable walking aids

20‧‧‧ Front Shelf

22‧‧‧Front side feet

24‧‧‧Upper rail

25‧‧‧ lower crossbar

26‧‧‧front wheel set

27‧‧‧round frame

29‧‧‧ Front wheel

30‧‧‧ Rear frame

32‧‧‧Back side feet

34‧‧‧Tole

36‧‧‧ Rear wheel

40‧‧‧Handrail

43‧‧‧ pole

44‧‧‧ jack

46‧‧‧back lever

48‧‧‧ grip end

50‧‧‧Sets

52‧‧‧through hole

54‧‧‧through holes

56‧‧‧Connectors

60‧‧‧ seat board

61‧‧‧Slip surface

62‧‧‧ pivotal parts

64‧‧‧Cards

65‧‧‧ card slot

66‧‧‧ pivotal parts

70‧‧‧ linkage

80‧‧‧ folding rod group

82‧‧‧First folding bar

84‧‧‧second folding rod

86‧‧‧Resistance

90‧‧‧ brake mechanism

92‧‧‧煞Handle

94‧‧‧煞车线

96‧‧‧stops

In order to enable the reviewing committee to further understand the objects, features, and effects of the present invention, a preferred embodiment of the present invention will now be described in detail with the accompanying drawings:

BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a front elevational perspective view of a foldable walking aid of a preferred embodiment of the present invention.

The second figure is a rear perspective view of the walking device of the first figure.

The third figure is a back view of the walking device of the first figure.

The fourth figure is a partial cross-sectional enlarged view of the line 4-4 of the first figure.

The fifth figure is a side view of the walking device of the first figure.

Figure 6 is a partially enlarged cross-sectional view taken along line 6-6 of the first figure.

Figure 7 is a cross-sectional view taken along line 7-7 of the first figure.

The eighth figure is a perspective view of the folding device of the first figure

The ninth figure is a rear perspective view of the walking device of the eighth figure

The tenth figure is a side view of the walking device of the eighth figure.

The eleventh figure is a cross-sectional view taken along line 11-11 of the ninth figure.

Referring to the first to third embodiments, a foldable walking device 10 according to a preferred embodiment of the present invention includes a front frame 20, a rear frame 30, a handrail frame 40, and two sets of connectors 50. A plate 60, at least one link 70, a two-fold bar set 80 and a two-wheel drive mechanism 90, wherein:

The front frame 20 includes two front legs 22, at least one crossbar, and two front wheel sets 26. This embodiment has an upper crossbar 24 and a lower crossbar 25. The two front legs 22 are juxtaposed to each other, and the upper rail 24 and the lower rail 25 are laterally connected to the two The front side leg 22 is located above the lower cross bar 25. Each of the front wheel sets 26 includes a wheel frame 27 and at least one front wheel 29; the two wheel frames 27 are respectively pivoted at the bottom ends of the front side legs 22 and are rotatable. Each of the front wheel sets 26 can have a front wheel 29 or two parallel front wheels 29. In the present embodiment, each front wheel set 26 has a front wheel 29; the two front wheels 29 are pivotally mounted to each of the wheel frames 27, respectively.

The rear frame 30 includes two rear legs 32, a bracket 34 and two rear wheels 36. The two rear legs 32 are juxtaposed, and the brackets 34 are laterally connected to the two rear legs 32. The two rear wheels 36 are respectively pivotally disposed at the bottom ends of the rear legs 32. The rear frame 30 is disposed on the rear side of the front frame 20.

The armrest frame 40 includes two upright bars 43 and a backrest bar 46. The two uprights 43 are parallel to each other, and a plurality of insertion holes 44 are respectively disposed along the longitudinal direction of each of the uprights 43 on the outer surface thereof. The two uprights 43 are respectively disposed between the front side legs 22 of the front frame 20 and the rear side legs 32 of the rear frame 30. The backrest bar 46 is generally U-shaped with two grip ends 48 formed at the ends. The backrest bar 46 is attached to the top end of the two uprights 43.

Referring to the first, fifth and sixth figures, the two sets of connectors 50 respectively have a through hole 52 and a consistent hole 54 , and the through hole 52 is in communication with the through hole 54 . The two sets of connectors 50 are respectively located on the left and right sides of the front frame 20 and the rear frame 30 , and are disposed between the front frame 20 , the rear frame 30 and the arm frame 40 . The top ends of the two front legs 22 of the front frame 20 are respectively fixed to the respective sets of the connectors 50. The top ends of the two rear legs 32 of the rear frame 30 are respectively pivotally disposed on the plurality of the connecting members 50, and can be pivoted at the center of rotation to make the two rear legs 32 and the front legs of the front frame 20 22 is relatively close or far away. The two uprights 43 of the armrest frame 40 are respectively inserted into the through holes 52 of each of the sets of connectors 50 and are displaceable in the through holes 52 to adjust the height of the armrest frame 40. The two connectors 56 can be pins or screws or elastic fasteners, which are respectively inserted or buckled into the through holes 54 of the plurality of the connecting members 50 and the insertion holes 44 of the vertical rods 43 to make the two The rod 43 is fixed to the two sets of joints 50 and fixes the height of the armrest frame 40.

Referring to the third to fifth figures, the seat plate 60 has a non-slip surface 61, a front end, a rear end and a pivoting portion 66. The anti-slip surface 61 is disposed on the top surface of the seat plate 60. The pivoting portion 66 is disposed on the bottom surface of the seat plate 60 and located between the front and rear ends of the seat plate 60. The seat plate 60 spans the upper crossbar 24 of the front frame 20 and the support bar 34 of the rear frame 30, and the front end thereof is pivoted by a pivoting member 62 and the upper crossbar 24 of the front frame 20 The rear end of the seat plate 60 has a latching portion 64. The bottom surface of the latching portion 64 is recessed with a latching slot 65. The seat panel 60 is fastened by the latching slot 65 of the latching portion 64. The lever 34 of the rear frame 30 is detached from the lever 34.

Referring to the third and fifth figures, the present embodiment has two links 70 which are parallel to each other, and the front end of which is pivotally disposed at the pivoting portion 66 of the seat plate 60, and the rear end is pivoted. The lever 34 is attached to the rear frame 30. When the rear end of the seat plate 60 is lifted upward, the two links 70 drive the rear frame 30 to be displaced toward the front frame 20.

The two folding lever sets 80 respectively have a first folding rod 82, a second folding rod 84 and an abutting member 86. The inner end of the first folding rod 82 is pivotally connected to the inner end of the second folding rod 84. The outer ends of the first folding bars 82 are pivotally connected to the front legs 22 of the front frame 20, and the outer ends of the second folding bars 84 are pivotally connected to the rear legs 32 of the rear frame. Each of the abutting members 86 is disposed at an inner end of each of the first folding bars 82. When the folding bar sets 80 are extended, each of the abutting members 86 can abut the second folding bars 84.

The two brake mechanisms 90 each have a handlebar 92, a brake line 94 and a stop 96. Each of the brake handles 92 is mounted to each of the grip ends 48 of the armrest frame 40. Each of the stoppers 96 is mounted on the bottom end of each of the rear legs 32 of the rear frame 30, and each of the rear wheels 36 can be pressed or relaxed. Each of the brake wires 94 connects the brake handle 92 and each of the stoppers 96 so that each of the brake handles 92 can control each of the stoppers 96 to press or loosen the rear wheels 36. The brake mechanism is not the research of the present invention Focus on the issue, let alone go into details.

Thus, referring to the fifth figure, before using the walking device 10 of the present invention, the height of the armrest frame 40 can be adjusted in advance with the height of the user, so that the two grip ends 48 of the armrest frame 40 can be adjusted. It is easier for the user to hold. When the user assists walking by the walking device 10 of the present invention, the two grips 48 of the armrest frame 40 are respectively grasped by the two hands, so that the walking device 10 can support the center of gravity of the user, and When walking, the two front wheels 29 and the two rear wheels 36 are rotatable with the user's walking speed, and the two front wheels 29 are further rotatable with the user's walking direction, so that the user can easily and unimpededly assist the user. The device 10 is walking. The user can also use the two brake mechanism 90 to decelerate the two rear wheels 36 to reduce the speed of the walking device 10 and improve the safety of the walking device 10.

When the user wants to rest, the seat board 60 of the walking device 10 can be seated and can be abutted against the backrest lever 46. The top surface of the seat panel 60 is a sliding surface 61 to prevent use. The person slides off the seat plate 60, and the backrest bar 46 is U-shaped to protect the user from falling off.

Referring to the fifth and seventh figures, when the walking device 10 is used for storing or transporting the walking device 10, the rear end of the seat plate 60 is lifted upward to disengage the engaging groove 65 of the engaging portion 64. The bracket 34 of the rear frame 30 lifts the rear end of the seat plate 60 upward, and the two links 70 pivotally connected to the pivoting portion 66 of the seat plate 60 are angularly displaced with the seat plate 60, thereby The rear frame 30 is pulled to the front frame 20, and the two first folding bars 82 and the second second folding bars 84 of the two folding bar sets 80 are also folded together. Referring to the eighth to eleventh figures, when the two rear legs 32 abut against the two front wheels 29, the front frame 20 and the rear frame 30 are closest to each other, and the walking device 10 can be received. By folding to the minimum volume, the space occupied by the walker 10 is reduced.

Please refer to the eleventh figure, when you want to use the walking device 10 again, It is only necessary to press the rear end of the seat plate 60 downward, and the two links 70 will then move the rear frame 30 backwards, so that the rear frame 30 is away from the front frame 20, and the two folding bar group 80 The two first folding bars 82 and the second folding bars 84 are also separated from each other by the front frame 20 and the rear frame 30. When the engaging groove 65 of the seat plate 60 is engaged with the lever 34 of the rear frame 30, the walking device 10 is fully deployed, and the user can again use the assisting device 10 to assist walking.

The walking device of the present invention can adjust the height of the grip according to the height of the user, and the two front wheel trains can rotate in the traveling direction of the user when traveling, and the user can also use the second brake when the speed is too fast. The deceleration of the mechanism allows the user to use the walking device to walk without difficulty, and also ensures the safety of the user. Furthermore, the walking device of the present invention can quickly and simply complete the folding of the walking device by lifting or lowering the rear end of the seat plate, thereby reducing the bulk of the walking device and streamlining the assisting device. The space occupied by the line device can easily complete the storage of the walking device; when the user goes out, the walking device after the folding is also very convenient to carry, and the carrier can move without much effort. Improve the convenience of the walking device.

The above embodiments are merely illustrative of the invention and are not to be construed as limiting the scope of the invention. The foldable walking device provided by the present invention is a technology pioneered in the technical field, and is progressive, and is applied according to law.

Claims (9)

A folding walking aid comprises: a front frame; a rear frame comprising: two rear legs and a bracket, the brackets are laterally connected to the two rear legs; the top ends of the two rear legs The front frame is pivotally connected to the front frame and can be folded and unfolded relative to the front frame; a handrail frame is disposed between the front frame and the rear frame; and a plate includes: a front end, a rear end and a front a pivoting portion; the pivoting portion is disposed between the front and rear ends of the seat panel; the rear end has a snap portion; the seat panel is spanned on the front frame and the rear frame, and the front end thereof is coupled to The front frame is pivotally connected, and the latching portion of the rear end is detachably engaged with the bracket of the rear frame; at least one connecting rod has a front end pivotally connected to a pivotal portion of the seat plate, and a rear end thereof The rod is pivotally disposed on the rear frame. The walking device of claim 1, wherein the front frame comprises two front legs and a cross bar, the cross bar is laterally connected to the two front legs; the front end of the seat plate is pivotally connected to the cross bar. The walking device of claim 1, wherein the armrest frame comprises two vertical bars and a backrest bar, the two vertical bars are disposed between the front frame and the rear frame, and can adjust the height up and down; The backrest bar is generally U-shaped, and the two ends form two grip ends; the backrest bar is disposed at the top of the two uprights. The walking device of any one of claims 1 to 3, further comprising: two sets of connectors disposed between the front frame and the rear frame; the top end of the front frame is fixed to the two sets The top end of the rear frame is pivotally disposed on the two sets of connectors, and the handrail frame is detachably disposed on the two sets of connectors. The walking device of any one of claims 1 to 3, wherein the pivoting portion of the seat plate is disposed on a bottom surface of the seat plate. The walking device of any one of claims 1 to 3, wherein the seat plate further comprises a pivoting member, the pivoting member is disposed at the front end of the seat plate and pivotally connected to the front frame. The walking device of any one of claims 1 to 3, wherein the engaging portion of the seat plate further has a latching slot, the latching slot is recessed on a bottom surface of the latching portion, and The lever that engages the rear frame or the lever that is detached from the rear frame. The walking device of claim 4, wherein the armrest frame further comprises two uprights, the two poles are provided with a plurality of jacks along a longitudinal direction thereof; the two sets of joints respectively have a through hole, a consistent hole and a The through hole is disposed above and below and communicates with the through hole; the two vertical rods of the arm frame are respectively inserted into the through holes of each of the set of components, and the two connectors are respectively engaged with the respective holes a through hole of the assembly and one of the jacks of each of the poles. The walking device of any one of claims 1 to 3, further comprising: two front wheel sets and two rear wheels; the two front wheel sets respectively have a wheel frame and at least one front wheel, wherein the two wheel frame is pivoted At the bottom end of the frame, the two front wheels are respectively pivoted on each of the wheel frames; the two rear wheels are disposed at the bottom end of the rear frame.