TWI454226B - Both armor crutches with seat function - Google Patents

Description

Underarm crutches with seat function

The invention relates to an underarm crutches, and in particular to an underarm crutches incorporating a seat that can be retracted or deployed.

Crutches are one of the main tools for achieving mobility shifts for people with reduced mobility in the lower limbs. The crutches can also be divided into several types, such as a cane or a crutches that can support the user's armpits. Among them, the cane is only used as an auxiliary support, so the inconvenience of the lower limbs is relatively less serious. However, underarm crutches are used as a support for replacing the lower limbs, so they are often used in users with relatively inconvenient lower limbs. Therefore, the functions of the two still have a certain degree of difference.

In addition, since the cane is used for people with inconvenient movements in the lower limbs, it is extremely convenient for the user to have the function of the seat. Therefore, the cane having the seat function has many patents. It has been created, for example, the US design patent No. D400, 724, the Chinese invention patent No. I 246405, the US invention patent No. 7219679, the Chinese invention patent No. I 271162, and the mainland invention patent No. 604897. However, for the underarm crutches used by users who are relatively inconvenient in lower limbs, there is still no function of having a seat. Therefore, there is room for improvement.

In view of the above, it can be seen that the technical problem to be solved in the present case is that the crutches for the prior art have no defects in the function of the seat. Effectively improve technical construction.

The technical solution adopted in the present invention is to invent a kind of underarm crutches having a seat function, which is composed of a crutches unit and a seat unit, wherein the crutches unit comprises two side rods and one horizontal rib rod and The bottom rod is always arranged, and the two side rods are correspondingly arranged, and a soft mattress is fixed on the upper end, and the horizontal rib is fixed between the two side rods as a hand grip of the user. In addition, the straight bottom rod includes an outer rod and an inner rod, and the outer rod is fixed between the two side rods, and the inner rod can penetrate upwardly into the outer rod and be positioned. Or it can be worn down from the outer side of the outer rod and positioned so that the overall height of the straight bottom rod can be adjusted, and the bottom end of the inner rod is fixed with a bottom cushion.

In conclusion, the main idea of the case is to integrate the seating unit with the crutches unit, and the seating unit mainly comprises a tripod assembly and a seat, the tripod assembly comprising a ring seat, a plurality of tripods, a plurality of links, a base and an upper a rod extending at least outside the rod outside the straight bottom rod, and the upper ends of the plurality of legs are respectively pivotally connected to the ring seat, and the lower ends of the plurality of legs are used to support the ground when deployed. The upper ends of the plurality of links are respectively pivotally connected to the plurality of legs, and the lower ends of the plurality of links are respectively pivotally connected to the base, and the base is fixed to the lower ends of the two side bars, and the upper rods are The lower end is pivotally connected to the ring seat, and the upper end of the upper extension rod is pivotally connected to the seat, and the seat has a base end, and the base end is pivotally connected to the two side bars, so that when the seat is folded, the seat is The base end is a pivot point and the upper clamp is attached to the two side rods, and the upper extension rod pulls up the ring seat, and the ring seat links the plurality of tripods and the plurality of links, thereby making the plural The tripod and the plurality of links are also folded and attached to the two side bars. When unfolding, the seat swings out with the base end as a pivot point, and the upper extension rod simultaneously pushes down the ring seat, and interlocks the plurality of tripods and the plurality of links to expand and position. According to this, the underarm cane has the function of a seat.

Secondly, the ring seat can be pivoted on the outer side of the two side bars in addition to the outer side of the rod outside the straight bottom bar.

Moreover, the base is provided with an inner hole and two outer holes, the inner hole is pierced by the outer rod of the straight bottom rod, and the two outer holes are respectively fixed by the lower ends of the two side rods.

Furthermore, the outer rod of the straight bottom rod is provided with a plurality of card hole groups arranged one above the other, and the plurality of card hole groups each have two horizontal holes corresponding to the horizontal direction, and the inner rod has an elastic element inside. The elastic element has two corresponding protrusions, and the two protrusions are inserted out of the inner rod, and can be elastically inserted into the two holes of the card hole group to be positioned. The height positioning of the bottom bar, if the two projecting portions are selected to be inserted into the two card holes of the different card hole groups, the length of the straight bottom bar can be changed to be implemented in response to users of different heights. .

Therefore, the main object of the present invention is to provide a crutches structure having a seat function, which is mainly provided with a seat unit of a crutches structure of a crutches structure, and a seat unit is provided with a tripod assembly and a seat. And it can be folded or unfolded and positioned on the crutches unit, thereby configuring the underarm to achieve the goal of having a seat function to promote the use efficiency of the underarm crutches and enhance the overall value.

As shown in the first and second figures, the present invention "has a seat function a rod comprising a crutches unit A and a seat unit B, wherein:

The crutches unit A, like the conventional crutches, includes two side bars 1, a horizontal rib 2 and a straight bottom bar 3, the two side bars 1 are arranged in an upright shape, and the upper half is spaced apart. The lower half is tapered and then erected downward, and the two side bars 1 are fixed with a soft mattress 11 at the upper end, and the horizontal rib 2 is fixed between the two side bars 1 for use. In addition, the straight bottom bar 3 is for adjusting the overall height of the crutch unit A, and the straight bottom bar 3 includes an outer rod 31 and an inner rod 32 (see also the third figure). The rod 31 is fixedly connected between the lower side of the two side rods 1. The outer rod 31 is provided with a plurality of card hole groups 31a arranged up and down, and the plurality of card hole groups 31a each have two horizontal holes 311 corresponding to the horizontal direction (another As shown in the fourth figure), the inner rod 32 is worn upwardly inside the outer rod 31 and can be passed downwards, and the inner rod 32 has a V-shaped elastic element 321 inside, the elastic element 32 has Corresponding two projecting portions 322, the two projecting portions 322 pass through the corresponding through holes 323 of the inner rod 32, and the two projecting portions 322 are elastically inserted into the two latching holes 311 of the latching hole group 31a. Positioning In this case, the height of the straight bottom bar 3 can be positioned at this time, and when the two projecting portions 322 are selected to be inserted into the different two-car boring holes 311 and the clicks are positioned, the straight bottom bars 3 can be adjusted and changed. The length is implemented in response to users of different heights. Furthermore, a bottom pad 33 is fixed to the bottom end of the inner rod 32.

The seat unit B includes a tripod assembly 4 and a seat 5, the tripod assembly 4 includes a ring seat 41, a plurality of legs 42, a plurality of links 43, a base 44 and an upper rod 45 (such as the second, Three maps), among them, The ring seat 41 is sleeved on the outer side of the rod 31 and the lower side of the straight rod 3, and the upper ends of the plurality of legs 42 are respectively pivotally connected to the ring seat 41, and the lower ends of the plurality of legs 42 are unfolded. The upper end of the plurality of links 43 is pivotally connected to the plurality of legs 42 respectively, and the lower ends of the plurality of links 43 are respectively pivotally connected to the base 44, and the base 44 has a The inner hole 441 and the two outer holes 442 (also as shown in the fifth figure), the inner hole 441 is pierced by the outer rod 31 of the straight bottom rod 3, and the two outer holes 442 are respectively pierced and consolidated by the lower end of the two side rods 1 . In addition, the lower end of the upper extension rod 45 is pivotally connected to the ring seat 41, and the upper end of the upper extension rod 45 is pivotally connected to the seat 5, and the seat 5 has a base end 51, and is pivotally connected to the two sides by the base end 51. Between the poles 1.

When carrying out the structural composition and carrying out the implementation, the inner rod 32 must first be inserted into the outer rod 31 to minimize the length of the straight bottom rod 3 (as shown in the sixth figure), and then the seat 5 is pulled down. At this time, the seat 5 can swing downward from the base end 51 and gradually swing to the horizontal position. At the same time, when the seat 5 is pulled down, the upper extension rod 45 can also be pushed down, and the ring seat 41 is pushed down. The ring seat 41 further interlocks the plurality of legs 42 and the plurality of links 43 to form the plurality of legs 42 and the plurality of links 43 in a deployed shape, and is stably supported by the lower end of the plurality of legs 42 on the ground (as another example Secondly, at this time, the upper half of the two side bars 1 forms a stable backrest of the seat 5, whereby the underarm cane has the function of a seat.

Furthermore, if the folding operation is to be carried out, the operation is reversed in the above description, and the seat 5 is pulled upward. At this time, the seat 5 can be pivoted at the base end 51 and pivoted upwards, and gradually folded to the fold. Attached to the two side bars 1 while stretching The rod 45 moves up and pulls up the ring seat 41, and the ring seat 41 links the plurality of legs 42 and the plurality of links 43 to form the plurality of legs 42 and the plurality of links 43 to be folded and attached to the second The side bar 1, at this point, completes the collapsed state, and constitutes an implementation of the underarm crutches (as shown in the first figure), and can also be implemented by adjusting the length of the straight bottom bar 3 (as in the third figure).

According to the structural composition and the implementation description, it can be seen that the present invention can make the underarm crutches have the function of the seat after the skill unit B is skillfully coupled to the crutches unit A, so that the function is no longer limited to simple ones. The function of the lower cane is only, and after the folding, it does not hinder the implementation of the underarm crutches. Therefore, it has made a concrete contribution to improving the overall performance of the underarm crutches.

In summary, it is known that the present invention has significantly surpassed the traditional underarm crutches in function, so the novel structure and function have industrial utilization, novelty and progress, and meet the requirements of the invention patent. The above is only the preferred embodiment of the invention, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made by the scope of the patent application of the present invention are covered by the scope of the invention.

A‧‧‧ Crutches Unit

B‧‧‧Seat unit

1‧‧‧ sidebar

11‧‧‧腋 pads

2‧‧‧ transverse ribs

3‧‧‧ Straight bottom rod

31‧‧‧Outer

31a‧‧‧Kapong Group

311‧‧‧Cardhole

32‧‧‧ inner rod

321‧‧‧Bomb components

322‧‧‧Bullet

323‧‧‧Perforation

33‧‧‧ bottom pad

4‧‧‧ Tripod assembly

41‧‧‧ ring seat

42‧‧‧foot stand

43‧‧‧ linkage

44‧‧‧Base

441‧‧‧ hole

442‧‧‧ outer hole

45‧‧‧Upper pole

5‧‧‧ seats

51‧‧‧ base end

The first figure is a perspective view of the present invention in a collapsed state.

The second figure is a perspective view of the present invention in an unfolded position.

The third figure is a schematic view of the planar structure of the present invention in the collapsed state and the adjusted length of the straight bottom bar.

The fourth figure is a schematic cross-sectional view of the structure of the third figure and a schematic diagram of the adjustment of the length of the straight bottom rod.

The fifth drawing is a perspective view of a three-dimensional structure exploded at the base of the present invention.

Figure 6 is a cross-sectional view of the structure of the folding and unfolding of the present invention.

A‧‧‧ Crutches Unit

B‧‧‧Seat unit

1‧‧‧ sidebar

11‧‧‧腋 pads

2‧‧‧ transverse ribs

3‧‧‧ Straight bottom rod

31‧‧‧Outer

31a‧‧‧Kapong Group

32‧‧‧ inner rod

33‧‧‧ bottom pad

4‧‧‧ Tripod assembly

41‧‧‧ ring seat

42‧‧‧foot stand

43‧‧‧ linkage

44‧‧‧Base

45‧‧‧Upper pole

5‧‧‧ seats

51‧‧‧ base end

Claims (4)

The underarm crutches having a seat function, the underarm crutches at least comprising: a crutches unit, comprising two side rods, one horizontal rib rod, and a straight bottom rod, wherein the two side rods are correspondingly arranged, and one of the two ends is fixed at the upper end a horizontal rib is fixed between the two side rods, and the straight bottom rod includes an outer rod and an inner rod, and the outer rod is fixed between the two side rods, In addition, the inner rod can penetrate upwardly into the outer rod and be positioned, or can be worn down from the outer side of the outer rod and positioned, and the bottom end of the inner rod is fixed with a bottom pad; and the feature is: The underarm cane has a seat unit, the seat unit includes a tripod assembly and a seat, the tripod assembly includes a ring seat, a plurality of tripods, a plurality of links, a base and an upper rod, the ring seat at least pivoted The upper end of the plurality of legs is pivotally connected to the ring seat, and the upper ends of the plurality of links are respectively pivotally connected to the plurality of legs, and the plurality of links are respectively The lower end is pivotally connected to the base, and the base is fixed to the lower end of the two side rods, and the lower end of the upper extension rod is pivoted To the ring seat, the upper end of the upper rod is pivotally connected to the seat, and the seat has a base end, and the base end is pivotally connected to the two side rods, so that the seat pivots with the base end When the hook is attached to the two side bars, the upper bar pulls up the ring seat, and the ring seat simultaneously interlocks the plurality of legs and the plurality of links, and is also folded and attached to the two side bars, and When the seat is pivoted by the base end and the pendulum is deployed, the upper rod moves down the ring seat, and simultaneously moves the plurality of legs and the plurality of links to expand and position. As with the seat function described in item 1 of the patent application scope a lower cane, wherein the ring seat is also pivoted outside the two side bars. The underarm crutches having the seat function as described in claim 2, wherein the base is provided with an inner hole and two outer holes, and the inner hole is pierced by the outer rod, and the inner hole is The two outer holes are respectively fixed by the lower ends of the two side bars. The underarm crutches having the seat function as described in claim 1, 2 or 3, wherein the outer rod is provided with a plurality of card boring groups arranged up and down, and the plurality of card boring groups Each of the inner rods has a two-clamping hole, and the inner rod has an elastic element, and the elastic element has two corresponding protruding portions, and the two protruding portions pass through the inner rod and can be elastically inserted. The card is positioned in the two latching holes of the card set, and the two projecting portions are selectively inserted into the two latching holes of the different latching holes to adjust the length of the straight bottom bar.