阅读说明：本技术 一种可伸缩拐杖 (Telescopic walking stick ) 是由 曹建辉 于 2020-07-15 设计创作，主要内容包括：一种可伸缩拐杖,包括一个上节拐和一个下节拐,上节拐包括一个上节拐外管和一个上节拐内管,下节拐包括一个下节拐外管和一个下节拐内管,上节拐外管和下节拐外管左右并列,上节拐内管可在上节拐外管内伸缩,下节拐内管可在下节拐外管内伸缩。本发明能够收缩到更为紧凑的尺寸,方便使用者在驾驶电动代步车时携带。(A telescopic crutch comprises an upper crutch and a lower crutch, wherein the upper crutch comprises an upper crutch outer pipe and an upper crutch inner pipe, the lower crutch comprises a lower crutch outer pipe and a lower crutch inner pipe, the upper crutch outer pipe and the lower crutch outer pipe are arranged in parallel from left to right, the upper crutch inner pipe can be stretched in the upper crutch outer pipe, and the lower crutch inner pipe can be stretched in the lower crutch outer pipe. The invention can be contracted to a more compact size, and is convenient for a user to carry when driving the electric scooter.)

1. A telescopic crutch is characterized in that: including an upper segment crutch and a lower segment crutch, the upper segment crutch includes an upper segment crutch outer tube (1) and an upper segment crutch inner tube (2), and the lower segment crutch includes a lower segment crutch outer tube (3) and a lower segment crutch inner tube (4), and upper segment crutch outer tube (1) and lower segment crutch outer tube (3) are controlled and are abreast, and upper segment crutch inner tube (2) can be flexible in upper segment crutch outer tube (1), and lower segment crutch inner tube (4) can be flexible in lower segment crutch outer tube (3).

2. The telescoping crutch of claim 1, further comprising: the upper end of the upper-section crutch outer tube (1) is provided with a handle (6), the top end of the upper-section crutch inner tube (2) is provided with a shoulder handle (9), or the top end of the upper-section crutch inner tube (2) is only provided with the handle (6).

3. The telescoping crutch of claim 1, further comprising: the upper-section outer crutch pipe (1) and the lower-section outer crutch pipe (3) are fixedly connected through a first connecting node (5) or through the first connecting node (5) and a second connecting node (10) simultaneously.

4. The telescoping crutch of any one of claims 1 to 3, further comprising: after the upper-section outer crutch pipe (1) and the upper-section inner crutch pipe (2) are stretched, the lower-section outer crutch pipe (3) and the lower-section inner crutch pipe (4) are fixed at relative positions through positioning pieces after being stretched.

5. The telescoping crutch of claim 4, wherein: the upper-section crutch inner tube (2) is provided with an upper-section crutch inner tube positioning groove (201) and a plurality of upper-section crutch inner tube positioning holes (202), when the upper-section crutch inner tube (2) stretches in the upper-section crutch outer tube (1), the upper-section crutch inner tube (2) is ensured to only slide up and down relative to the upper-section crutch outer tube (1) through the upper-section crutch inner tube positioning groove (201) and a positioning piece, and the upper-section crutch inner tube positioning holes (202) are convenient for a user to adjust the stretching length of the upper-section crutch inner tube (2) according to the height of the user.

6. The telescoping crutch of claim 4, wherein: the lower-section crutch inner tube (4) is provided with a lower-section crutch inner tube positioning groove (401) and a plurality of lower-section crutch inner tube positioning holes (402), when the lower-section crutch inner tube (4) stretches in the lower-section crutch outer tube (3), the lower-section crutch inner tube (4) is ensured to only slide up and down relative to the lower-section crutch outer tube (3) through the lower-section crutch inner tube positioning groove (401) and a positioning piece, and the lower-section crutch inner tube positioning holes (402) are convenient for a user to adjust the stretching length of the lower-section crutch inner tube (4) according to the height of the user.

7. The telescopic crutch of claim 5 or 6, wherein: the locating piece is pull ring locating piece (7) or pressure handle locating piece (8), pressure handle locating piece (8) are including pressing handle (801), fixed pin (802) and locating pin (803), press handle (801) one end to articulate in locating pin (803) terminal through fixed pin (802), locating pin (803) front end can stretch into in upper segment turning outer tube (1) or lower section turning outer tube (3) locating hole, in upper segment turning inner tube constant head tank (201) or lower section turning inner tube constant head tank (401), three position in upper segment turning inner tube (2) or lower section turning inner tube (4) locating hole.

8. The telescoping crutch of claim 7, wherein: the upper section crutch outer tube (1) or the lower section crutch outer tube (3) is provided with a height determining hole (11), a positioning piece (12) is fixed in the upper section crutch inner tube positioning groove (201) or the lower section crutch inner tube positioning groove (401) through a screw, after the height of a user is determined, the height determining hole (11) is aligned to the screw of the fixed positioning piece (12), the screw is loosened, the upper section crutch inner tube (2) or the lower section crutch inner tube (4) is stretched, at the moment, the positioning piece (12) slides relative to the upper section crutch inner tube (2) or the lower section crutch inner tube (4), after the overall height of the telescopic crutch meets the height requirement of the user, the positioning piece (12) is fixed again through the height determining hole (11), thus, after the telescopic crutch is contracted, when the telescopic crutch needs to be stretched again for use, after the positioning piece (12) slides to the positioning piece position, the positioning piece (12) is blocked by the positioning piece, the positioning piece fixes the upper-section outer crutch pipe (1) and the upper-section inner crutch pipe (2), or fixes the lower-section outer crutch pipe (3) and the lower-section inner crutch pipe (4).

9. The telescoping crutch of any one of claims 1 to 3, further comprising: the handle (6) is shaped like a concave arc, and the palm part can be attached to the inner side of the concave arc when the user uses the electric toothbrush, so that the user does not feel that the handle (6) is hurted against the hand.

Technical Field

The invention relates to a telescopic crutch.

Background

At present, along with the popularization of the electric scooter, the disabled with disabled legs also becomes more and more convenient to go out, and the electric scooter can be used for a long time without walking by self. However, any convenience is relative, and in places where the electric mobility scooter cannot pass, such as stair steps, the electric mobility scooter cannot provide convenience and still depends on the crutch. At present, crutches are necessary auxiliary tools for disabled people with disabled legs and still need to be carried when going out. The existing walking sticks are inconvenient to carry due to the size problem, and although some inventors also invent telescopic walking sticks, the walking sticks are still large in size and only convenient to carry by private cars, but are inconvenient for drivers of electric mobility scooter. In addition, the telescopic crutches are inconvenient to operate during telescopic operation, and cannot be adaptively adjusted for people with different heights.

Disclosure of Invention

In order to solve the technical problems of the telescopic crutch, the invention provides a novel telescopic crutch.

The technical scheme adopted by the invention is as follows:

a telescopic crutch comprises an upper crutch and a lower crutch, wherein the upper crutch comprises an upper crutch outer pipe and an upper crutch inner pipe, the lower crutch comprises a lower crutch outer pipe and a lower crutch inner pipe, the upper crutch outer pipe and the lower crutch outer pipe are arranged in parallel from left to right, the upper crutch inner pipe can be stretched in the upper crutch outer pipe, and the lower crutch inner pipe can be stretched in the lower crutch outer pipe.

In the telescopic crutch, the upper end of the outer pipe of the upper crutch is provided with a handle, and the top end of the inner pipe of the upper crutch is provided with a shoulder handle.

In the telescopic crutch, the upper-section crutch outer tube and the lower-section crutch outer tube pass through the first connecting node.

In the telescopic crutch, after the upper-section crutch outer pipe and the upper-section crutch inner pipe are stretched, the lower-section crutch outer pipe and the lower-section crutch inner pipe are fixed at relative positions through the positioning piece after being stretched.

In the telescopic crutch, the upper-section crutch inner pipe is provided with an upper-section crutch inner pipe positioning groove and a plurality of upper-section crutch inner pipe positioning holes, when the upper-section crutch inner pipe is telescopic in the upper-section crutch outer pipe, the upper-section crutch inner pipe is ensured to only slide up and down relative to the upper-section crutch outer pipe through the upper-section crutch inner pipe positioning groove and the positioning piece, and the upper-section crutch inner pipe positioning holes are convenient for a user to adjust the telescopic length of the upper-section crutch inner pipe according to the height of the.

In the telescopic crutch, the lower-section crutch inner tube is provided with a lower-section crutch inner tube positioning groove and a plurality of lower-section crutch inner tube positioning holes, when the lower-section crutch inner tube is telescopic in the lower-section crutch outer tube, the lower-section crutch inner tube is ensured to only slide up and down relative to the lower-section crutch outer tube through the lower-section crutch inner tube positioning groove and the positioning piece, and the lower-section crutch inner tube positioning holes are convenient for a user to adjust the telescopic length of the lower-section crutch inner tube according to the height of the.

In the telescopic crutch, the positioning part is a pull ring positioning part or a pressing handle positioning part, the pressing handle positioning part comprises a pressing handle, a fixed pin and a positioning pin, one end of the pressing handle is hinged at the tail end of the positioning pin through the fixed pin, the front end of the positioning pin can extend into a positioning hole of the upper-section crutch outer pipe or the lower-section crutch outer pipe, and two positions are arranged in the positioning groove of the upper-section crutch inner pipe or the lower-section crutch inner pipe.

In the above-mentioned telescopic walking stick, the upper section turns the outer tube or turns the outer tube to be provided with the height and confirms the hole on the lower section, upper section turns the inner tube locating slot or turns the inner tube locating slot to fix the screw of locating piece through the screw, loosen the screw, telescopic upper section turns the inner tube or turns the inner tube on the lower section, at this moment, the locating piece slides for upper section turns the inner tube or turns the inner tube on the lower section, after the whole height of telescopic walking stick accords with user's height requirement, through the height and confirms the hole, fix the locating piece again with the screw, so, after the telescopic walking stick is contracted, when needing to stretch again and use, after the locating piece slides to the locating piece position, because the locating piece receives the stopping of locating piece, the locating piece turns outer tube and upper section to turn the inner tube on the outer tube, or the outer tube on the lower section turns and turns the inner tube to fix.

In the telescopic crutch, the overlapping length of the upper-section crutch outer pipe and the lower-section crutch outer pipe in the up-down direction is not less than one half of the length of the upper-section crutch outer pipe or the lower-section crutch outer pipe.

In the telescopic crutch, the overlapping length of the upper-section crutch outer pipe and the lower-section crutch outer pipe in the up-down direction is three-fourth of the length of the upper-section crutch outer pipe or the lower-section crutch outer pipe.

In the telescopic crutch, the superposed length of the upper-section outer crutch pipe and the lower-section outer crutch pipe in the up-down direction is the actual length of the upper-section outer crutch pipe or the lower-section outer crutch pipe.

In the telescopic crutch, the handle is in a concave arc shape, so that a user can attach the palm part to the inner side of the concave arc when using the telescopic crutch, and the user does not feel that the handle is pressed against the hand. The connecting part of the shoulder handle and the upper crutch inner tube is also provided with a damping device, so that a user feels more comfortable.

In the telescopic crutch, the acting force of the shoulder handle on the body is superposed with the lower section crank axis, so that the stability is higher. A damping device is further arranged between the shoulder handle and the upper-section crutch inner pipe, and a stopping device is further arranged on the upper-section crutch inner pipe, so that when damping is not needed, the shoulder handle and the upper-section crutch inner pipe are directly fixed, and the damping device is prevented from working.

Compared with the prior art, the invention has the following advantages:

the telescopic walking stick is provided with the upper joint stick and the lower joint stick simultaneously, the upper joint stick and the lower joint stick are respectively provided with the outer pipe and the inner pipe, the inner pipe can be stretched in the outer pipe, and the outer pipe of the upper joint stick and the outer pipe of the lower joint stick are arranged in parallel left and right, so that the telescopic walking stick can be contracted to be more compact in size, and is convenient for a user to carry when driving an electric scooter.

Secondly, the telescopic crutch provided by the invention is provided with the handle and the shoulder handle, so that the crutch is convenient for a user to lean on the hand and the shoulder at the same time, and is more stable in use.

And thirdly, the connecting node is arranged between the upper-section outer crutch pipe and the lower-section outer crutch pipe, so that the telescopic crutch is very firm and cannot be infirm due to the fact that the upper-section outer crutch pipe and the lower-section outer crutch pipe are arranged in parallel from left to right.

The telescopic crutch provided by the invention is provided with the special positioning piece, the positioning piece is provided with the positioning pin which is matched with the positioning hole on the inner tube and used for fixing the inner tube and the outer tube, the inner tube is also provided with the positioning groove, and the positioning pin of the positioning piece is abutted in the positioning groove when the inner tube and the outer tube slide relatively, so that the telescopic crutch is time-saving and labor-saving when the inner tube is telescopic, is very firm after being fixed, can prevent the inner tube from rotating along the axial direction of the outer tube, and can adjust the telescopic length according to the height of a user.

The telescopic crutch provided by the invention has smaller overall height after being contracted, so that the telescopic crutch can meet the requirement of portability, and is suitable for people with larger height range and people with ultra-short height and ultra-high height.

Sixthly, the telescopic crutch provided by the invention is characterized in that a height determining hole is designed on the upper section crutch outer pipe or the lower section crutch outer pipe, a positioning piece is designed on the corresponding inner pipe, the positioning piece is arranged in the inner pipe positioning groove and is fixed with the inner pipe by a screw, after the height requirement of a user is determined, the positioning piece fixing screw is loosened through the height determining hole, the inner pipe is stretched to slide in the outer pipe, the positioning piece slides relatively in the inner pipe positioning groove, after the whole height of the telescopic crutch meets the height requirement of the user, the positioning piece is fixed again, the fixing screw is screwed, when the telescopic crutch is contracted and needs to be stretched out again for use, as long as the inner pipe is stretched, when the positioning piece slides to the positioning piece position along with the inner pipe, the positioning piece slides relatively in the inner pipe positioning groove, therefore, the positioning piece is blocked by the positioning piece, after the whole height of the telescopic crutch meets the height, the inner tube can not slide any more, and meanwhile, the positioning piece positioning pin is inserted into the inner tube positioning hole to fix the inner tube and the outer tube, so that a user can determine the extended height of the telescopic crutch according to the height of the user when the telescopic crutch is used for the first time, and the telescopic crutch can be repeatedly used without being adjusted.

The telescopic crutch provided by the invention has the advantages that the hand stress of a user is completely considered due to the design of the handle, so that the stress of the hand of the user can be reduced, and the discomfort can be relieved.

Because the coincidence length of the upper section outer crutch tube and the lower section outer crutch tube is limited to one half to three quarters, the invention not only improves the portability, but also is beneficial to reducing the manufacturing cost.

Ninthly, because the lower crutch is in flush contact with the ground after being contracted with the outer pipe of the lower crutch, the telescopic crutch can be independently placed on the ground and is more convenient to use and place.

Drawings

In order that the summary of the invention may be more readily understood, the invention will now be further described with reference to the accompanying drawings and examples.

FIG. 1 is a front view of a retractable crutch shown in a retracted configuration in accordance with an embodiment of the present invention;

FIG. 2 is a front view of the upper joint of a telescopic crutch after stretching;

FIG. 3 is a front view of the overall stretched structure of a telescopic crutch according to an embodiment of the present invention;

FIG. 4 is one of the enlarged partial views of FIG. 3;

FIG. 5 is a schematic view of FIG. 4 without the swage retainer;

FIG. 6 is a second enlarged view of the portion of FIG. 3;

FIG. 7 is a third enlarged view of the portion of FIG. 3;

FIG. 8 is a top view of a schematic representation of the handle structure in accordance with one embodiment of the present invention;

FIG. 9 is a front view of a second embodiment of the retractable crutch shown in the drawings;

FIG. 10 is a front view of the three-way telescopic crutch shown in the drawings after it has been retracted in accordance with an embodiment of the present invention;

fig. 11 is a front view of the four-telescopic crutch according to the embodiment of the invention, after it has been retracted.

Labeled as: 1-upper-section crutch outer pipe, 2-upper-section crutch inner pipe, 3-lower-section crutch outer pipe, 4-lower-section crutch inner pipe, 5-first connecting node, 6-handle, 7-pull ring positioning piece, 8-pressing handle positioning piece, 9-shoulder handle, 10-second connecting node, 11-height determining hole, 12-positioning piece, 201-upper-section crutch inner pipe positioning groove, 202-upper-section crutch inner pipe positioning hole, 401-lower-section crutch inner pipe positioning groove, 402-lower-section crutch inner pipe positioning hole, 801-pressing handle, 802-positioning pin and 803-fixing pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1-11 illustrate a preferred embodiment of the telescoping crutch of the present invention.