TWI780814B - crutches with hooks - Google Patents

Abstract

A crutch with a hook, comprising a stick body, a handle unit arranged at one end of the stick body, and a hook. The handle unit includes a grip portion. The holding portion has a first end and a second end opposite to the first end. The second end has an accommodating hole. The hook includes a pivot block pivotally arranged in the accommodating hole, and a hook arm protruding from the pivot block. The pivot block is rotatable around a pivot axis transverse to the handle portion, so that the hook moves relative to the handle unit between a retracted position and an unfolded position. The present invention allows the user to freely hang the present invention in various places in life through the hook, and allows the user to fold the hook when in use without hindering the grasp or catching other objects .

Description

crutch with hook

The invention relates to an auxiliary device, in particular to a crutch with a hook.

In order to assist walking, crutches are assistive devices that are often seen in life. The specific method of use is to use a crutch to touch the ground to form a temporary support, so that the user can lean on the crutch and use the crutch to replace the leg to bear part of the body weight, so as to achieve the transfer of the center of gravity of the body and complete the forward movement. In view of this way of use, users of crutches must carry the crutches with them, but when sitting down (or when standing but using both hands at the same time), they do not need to use the crutches temporarily, so there is often a temporary storage requirement. The common storage method is to simply lean the crutches against the wall, body, or chair, but this storage method is quite unstable. The crutches are easy to fall over and get dust or mud on the ground, and it is difficult for the elderly to pick them up. Alternatively, some crutches have a lanyard attached to the tip that allows the user to hang the crutch from a hook. However, hooks are not installed everywhere, and the lanyard will become a burden when used, which not only hinders the grip but also easily catches other items.

Therefore, the object of the present invention is to provide a crutch with a hook that is convenient for storage.

Therefore, the crutch with a hook in the present invention includes a stick body, a handle unit disposed at one end of the stick body, and a hook.

The handle unit includes a joint portion fixed on the stick body, a grip portion suitable for a user to hold, and a first support portion connected between the joint portion and the grip portion. A grip axis extending along the grip portion is defined. The grip portion has a first end disposed along the grip axis, and a second end opposite to the first end along the grip axis. The second end has an accommodating hole opened to a side opposite to the first end along the grip axis.

The hook includes a pivot block pivotally arranged in the accommodating hole, and a hook arm protruding from the pivot block. The pivot block is rotatable around a pivot axis transverse to the handle portion.

The hook can move between a retracted position and an unfolded position relative to the handle unit. When in the retracted position, the extending direction of the hook arm is adjacent to the engaging portion. When in the unfolded position, the extension direction of the hook arm is adjacent to the grip axis.

The effect of the present invention is that the hook can be conveniently moved between the folded position and the unfolded position, so that the user can freely hang the present invention on the arm or various places in life when the user wants to store it, and let the When in use, the user can safely fold the hook without hindering the grip or catching other objects.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the crutch with a hook in the present invention includes a stick body 1 , a handle unit 2 arranged at one end of the stick body 1 , and a hook 3 .

The handle unit 2 includes a joint portion 21 fixed on the stick body 1 , a handle portion 22 suitable for a user to hold, a first support portion 23 , and a second support portion 24 .

Referring to FIG. 2 , FIG. 3 and FIG. 4 , a grip axis L extending along the grip portion 22 is defined. The grip portion 22 has a first end 221 disposed along the grip axis L, and a second end 222 opposite to the first end 221 along the grip axis L. The second end 222 has an inner surface 223 surrounding the grip axis L. As shown in FIG. The inner surface 223 defines an accommodating hole 224 opened toward a side opposite to the first end 221 along the grip axis L. As shown in FIG. The inner surface 223 has an abutting area 225 adjacent to the first supporting portion 23 .

The first supporting portion 23 is connected between the second end 222 of the holding portion 22 and the engaging portion 21 , and has a receiving groove 231 open to a side opposite to the first end 221 . The receiving groove 231 communicates with the receiving hole 224 and extends from the receiving hole 224 toward the joint portion 21 . The second support portion 24 is connected between the first end 221 of the handle portion 22 and the joint portion 21 . The holding portion 22 , the first supporting portion 23 , the second supporting portion 24 and the connecting portion 21 define a holding space S together.

The hook 3 includes a pivot block 31 pivotally disposed in the receiving hole 224 , and a hook arm 32 protruding from the pivot block 31 . The pivoting block 31 can rotate around a pivoting axis R transverse to the handle portion 22 . The hook arm 32 has an end 321 away from the pivot block 31 .

A limiting distance G is defined between the abutting area 225 of the handle portion 22 and the pivot axis R. As shown in FIG. The pivoting block 31 of the hook 3 has a cam surface 311 corresponding to the abutting area 225 . The cam surface 311 is sequentially connected with a first abutting section 312, a first interfering section 313, an intermediate section 314, and a second interfering section from a side adjacent to the hook arm 32 toward the first end 221. 315, and a second abutting section 316.

A first abutting distance D1 not greater than the limiting distance G is defined between the first abutting section 312 and the pivot axis R. As shown in FIG. A first interference distance D2 greater than the limiting distance G is defined between the first interference section 313 and the pivot axis R. An intermediate distance D3 not greater than the limiting distance G is defined between the intermediary section 314 and the pivot axis R. As shown in FIG. A second interference distance D4 greater than the limiting distance G is defined between the second interference section 315 and the pivot axis R. A second abutting distance D5 not greater than the limiting distance G is defined between the second abutting section 316 and the pivot axis R. As shown in FIG. The hook 3 can move relative to the handle unit 2 between a retracted position, an intermediate position, and an unfolded position.

Referring to FIG. 5 , in the retracted position, the hook arm 32 is adjacent to the engaging portion 21 in an extending direction, and is retracted in the receiving groove 231 . At this moment, the first abutting section 312 faces the abutting area 225 . Since the first abutting distance D1 is not greater than the limiting distance G, the first abutting section 312 and the abutting area 225 are in a clearance fit or a transition fit. There is no force or only slight force between the first abutting section 312 and the abutting region 225 .

Referring to FIG. 6 , during the rotation from the stowed position to the intermediate position, since the first interference distance D2 is greater than the limiting distance G, the first interference section 313 is in interference fit with the abutting area 225 . There is a relatively large force between the first interfering section 313 and the abutting area 225 , and it is necessary to apply additional force and overcome the elasticity of the material to continue to rotate.

Referring to FIG. 7 , in the intermediary position, the intermediary section 314 faces the abutment area 225 . Since the intermediary distance D3 is not greater than the limiting distance G, the intermediary section 314 and the abutting area 225 are in a clearance fit or transition fit. There is no force or only slight force between the intermediary section 314 and the abutting area 225 .

Referring to FIG. 8 , during the rotation from the intermediate position to the expanded position, since the second interference distance D4 is greater than the limiting distance G, the second interference section 315 is in interference fit with the abutment area 225 . There is a relatively large force between the second interfering section 315 and the abutment area 225 , and it is necessary to apply additional force and overcome the elasticity of the material to continue to rotate.

Referring to FIG. 9 , in the unfolded position, the extension direction of the hook arm 32 is adjacent to the grip axis L. Referring to FIG. At this time, the second abutting section 316 faces the abutting area 225 . Since the second abutting distance D5 is not greater than the limiting distance G, the second abutting section 316 and the abutting area 225 are in a clearance fit or a transition fit. There is no force or only slight force between the second abutting section 316 and the abutting area 225 .

In this way, when using this embodiment, the user can turn the hook 3 to the retracted position to prevent the hook 3 from hindering the grasp or catching other objects. It should be noted that at this moment, a portion of the end 321 of the hook arm 32 protrudes from the receiving groove 231 . This is for the user to easily pull out the hook arm 32 with fingers to move the hook 3 to other positions.

If this embodiment is not needed temporarily and wants to be stored, the user can turn the hook 3 to the unfolded position, and use the hook 3 to hang this embodiment on the desktop, the top of a low wall, etc., which are common in daily life. plane. Or, the user can also turn the hook 3 to the intermediate position, and use the hook 3 to hang this embodiment on the back of a chair, a partition, a railing, a doorknob, etc. , a columnar structure or a hook-like structure, or temporarily suspended on its own arm. The above descriptions are only exemplary application scenarios and should not be limited thereto.

It should be noted that, through the interference relationship between the first interference section 313, the second interference section 315 and the abutment area 225, the hook 3 needs to exert a certain degree of external force to be in the retracted position, the Toggles between the mediation position and the expanded position. The advantage of such a design is that when the hook 3 is in one of the retracted position, the intermediate position and the expanded position, it will not be switched to another position due to gravity or a very small external force. For example, when in the unfolded position, since the hook 3 is hindered by the first interfering section 313 , it will not droop to the intermediate position under the influence of gravity. Or, when in the intermediate position, since the hook 3 is hindered by the second interfering section 315 , it can rotate to the unfolded position without slight contact. This kind of design can prevent this embodiment from switching the position of the hook 3 due to its own weight or accidental touch, effectively improving the operability and convenience of this embodiment.

In addition, since the holding part 22, the first supporting part 23, the second supporting part 24 and the joint part 21 jointly define the holding space S, not only the structure is stable, but also the user's grasping When the grip portion 22 is used, the user's fingers are restricted in the grip space S to prevent slippage.

To sum up, the present invention has a crutch with a hook, and the hook 3 can be conveniently moved between the retracted position and the unfolded position, so that the user can freely hang the present invention on the arm or Various places in life, and allow the user to fold the hook 3 very safely without hindering the grasp or hooking to other objects when using it, so the purpose of the present invention can indeed be achieved.

But the above-mentioned ones are only embodiments of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

1: stick body 2: Grip unit 21: Joint 22: Grip 221: first end 222: second end 223: inner side 224: accommodating hole 225: Arrival area 23: The first support part 231: storage slot 24: The second support part 3: Hook 31: pivot block 311: cam surface 312: The first approach section 313: The first interference segment 314: intermediary segment 315: The second interference segment 316: The second contact section 32: hook arm 321: end L: grip axis R: pivot axis G: limit distance D1: first approach distance D2: The first interference distance D3: Intermediary distance D4: Second interference distance D5: Second approach distance S: holding space

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is a three-dimensional assembled view of an embodiment of the crutches with hooks of the present invention; Figure 2 is a partially enlarged view of Figure 1; Fig. 3 is an incomplete three-dimensional exploded view of this embodiment; Fig. 4 is a sectional view obtained along the line IV-IV in Fig. 3; Figure 5 is an incomplete sectional view of the embodiment, illustrating a hook in a retracted position; Fig. 6 is an incomplete sectional view of the embodiment, illustrating the process of the hook turning from the retracted position to an intermediate position; Fig. 7 is an incomplete sectional view of the embodiment, illustrating that the hook is in the intermediate position; Fig. 8 is an incomplete cross-sectional view of the embodiment, illustrating the process of the hook turning from the intermediate position to an unfolded position; and Figure 9 is a fragmentary cross-sectional view of the embodiment, illustrating the hook in a deployed position.

1: stick body

2: Grip unit

21: Joint

22: Grip

221: first end

222: second end

23: The first support part

24: The second support part

3: Hook

32: hook arm

L: grip axis

R: pivot axis

S: holding space

Claims (5)

A crutch with a hook, comprising: a stick body; a handle unit, arranged at one end of the stick body, the handle unit includes a joint portion fixed on the stick body, and a The gripping portion, and a first supporting portion connected between the joint portion and the gripping portion, define a gripping axis extending along the gripping portion, and the gripping portion has a a first end, and a second end opposite to the first end along the grip axis, the second end has a receiving hole open to a side opposite to the first end along the grip axis, and an inner surface surrounding the grip axis and defining the accommodating hole, the inner surface has an abutment area adjacent to the first supporting part; and a hook, including a pivotally arranged in the accommodating hole A pivoting block, and a hook arm protruding from the pivoting block, the pivoting block can rotate around a pivoting axis transverse to the gripping part, and a boundary is defined between the abutment area and the pivoting axis A limit distance, the pivot block has a cam surface corresponding to the abutting area, and the cam surface is sequentially connected with a first abutting section, a first abutting section, A first interfering section, and a second abutting section, a first abutting distance not greater than the limit distance is defined between the first abutting section and the pivot axis, the first interfering section and the pivot axis A first interference distance greater than the limit distance is defined between the pivot axes, and a second abutment distance not greater than the limit distance is defined between the second abutment section and the pivot axis, The hook can move relative to the handle unit between a retracted position and an unfolded position. In the retracted position, the extension direction of the hook arm is adjacent to the joint portion, and the first abutting section faces the In the abutment area, in the unfolded position, the extension direction of the hook arm is adjacent to the grip axis, and the second abutment section faces the abutment area. The crutch with a hook as described in Claim 1, wherein, the cam surface of the hook is sequentially connected with the first abutting section, the second An interfering section, an intervening section, a second interfering section, and the second abutting section, an intermediary distance not greater than the limit distance is defined between the intermediary section and the pivot axis, and the second interfering section A second interference distance greater than the limit distance is defined between the pivot axis and the hook can move relative to the handle unit between the retracted position, an intermediate position and the unfolded position. In the retracted position, the first abutting section faces the abutting area, in the intermediate position, the intermediary section faces the abutting area, and in the unfolded position, the second abutting section faces the abutting area. The crutch with a hook as claimed in claim 1, wherein the first support part of the handle unit is connected between the second end of the grip part and the joint part, and has a direction opposite to the first support part. One side of the end is open to a receiving groove, the receiving groove communicates with the receiving hole and extends from the receiving hole to the joint portion, and when in the retracted position, the hook arm is stored in the receiving groove. The crutch with a hook as claimed in claim 3, wherein the hook arm of the hook has an end far away from the pivot block, and when in the retracted position, a part of the end protrudes from the receiving groove. The crutch with hook as described in claim 3, wherein, the handle unit also It includes a second support part connected between the first end of the grip part and the joint part, the grip part, the first support part, the second support part and the joint part jointly define a grip space.

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