CN105380365A - Telescopic labor-saving walking stick - Google Patents

Abstract

The invention discloses a telescopic labor-saving crutch, which comprises an outer support rod and an inner support rod. The middle part of the outer support rod is a hollow structure. The outer surface of the inner support rod is provided with a spring stopper. There are upper stoppers and lower stoppers, the inner support rod can move up and down through the hollow structure of the outer support rod, and the spring stopper of the inner support rod can move between the upper stopper and the lower stopper, said The upper part of the spring stopper on the inner support rod is covered with a spring, one end of the spring abuts on the spring stopper of the inner support rod, and the other end abuts on the upper stopper of the outer support rod, and the bottom of the inner support rod The end is equipped with a scroll wheel, and the scroll wheel can be retracted into the hollow structure of the external support rod under the drive of the internal support rod. The present invention fully considers and utilizes the stress situation when the old man uses crutches, can solve the problems of labor saving and stability at the same time, and has a simple structure.

Description

Telescopic labor-saving crutches

technical field

The invention relates to a telescopic labor-saving crutch, which belongs to the technical field of daily necessities.

Background technique

Crutches, as an auxiliary tool for the elderly to walk, are a common tool in daily life and a necessity for the elderly to travel alone. A practical crutch for the elderly will bring a lot of convenience to the elderly. Considering the frailty of old people who use crutches, it is necessary to invent a crutch that can minimize the force. Some labor-saving crutches currently on the market often only consider solving the problem of labor-saving and add a wheel to the bottom of the crutch, but However, its stability is ignored, so it is not convenient for the elderly to use.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a telescopic labor-saving crutch, which can solve the problems of labor-saving and stability at the same time, has a simple structure, fully considers the physical condition of the elderly, and conforms to ergonomics.

In order to solve the above technical problems, the technical solution of the present invention is: a telescopic labor-saving crutch, including an outer support rod and an inner support rod, the middle part of the outer support rod is a hollow structure, and a spring stopper is arranged on the outer surface of the inner support rod , the inner surface of the outer support rod is provided with an upper stopper and a lower stopper, the inner support rod can move up and down through the hollow structure of the outer support rod, and the spring stopper of the inner support rod can move between the upper stopper and the lower stopper. Move between the stoppers, the upper part of the spring stopper on the inner support rod is covered with a spring, one end of the spring abuts on the spring stopper of the inner support rod, and the other end abuts on the upper stopper of the outer support rod , the spring block, the spring, the upper block and the lower block together constitute a telescopic device, the bottom end of the internal support rod is equipped with a scroll wheel, and the scroll wheel can be retracted into the hollow of the external support rod under the drive of the internal support rod. in structure.

Further, in order to facilitate the installation of the internal support rod and the spring, the external support rod is divided into two parts, the upper support rod and the lower support rod. Threaded connection, the thread is located between the upper stopper and the lower stopper.

After adopting the above technical scheme, the present invention has the following beneficial effects:

1. When the old man is still, the weight of the body acts on the handle of the external support rod, and the external support rod receives a downward force. At this time, the rolling wheel of the internal support rod contacts the ground and receives an upward reaction force from the ground. Make the spring stopper on the inner support rod compress the spring, and the inner support rod moves upward relative to the outer support rod until the outer support rod touches the ground, and the rolling wheel shrinks into the outer support rod, making the crutches more stable; when the old man walks, apply The force on the handle of the external support rod decreases as the body stands upright, and the scroll wheel pops up under the action of the spring restoring force, just push the scroll wheel to roll forward to achieve the purpose of labor saving; the present invention fully considers and utilizes the elderly The force situation when using crutches can solve the problems of labor saving and stability at the same time, and the structure is simple;

2. The spring of the present invention not only plays the role of controlling the movement of the internal support rod, but also plays the role of shock absorption, which fully considers the physical condition of the elderly and conforms to ergonomics.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural enlarged view of telescoping device place of the present invention;

Figure 3 is an enlarged view of the connection relationship between the upper support rod and the lower support rod of the present invention;

Fig. 4 is a partial enlarged view of the scroll wheel at the bottom of the present invention;

Among the figure, 1, external support rod, 2, internal support rod, 3, spring, 4, rolling wheel, 5, screw thread, 6, upper stopper, 7, lower stopper, 8, handle, 9, spring stopper.

detailed description

In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

As shown in Figures 1 to 4, a telescopic labor-saving crutch includes an outer support rod 1 and an inner support rod 2, the middle part of the outer support rod 1 is a hollow structure, and the outer surface of the inner support rod 2 is provided with a spring stopper 9 , the inner surface of the outer support rod 1 is provided with an upper stopper 6 and a lower stopper 7, the inner support rod 2 can move up and down through the hollow structure of the outer support rod 1, and the spring stopper 9 of the inner support rod 2 It can move between the upper stopper 6 and the lower stopper 7. The top of the spring stopper 9 on the inner support rod 2 is covered with a spring 3, and one end of the spring 3 abuts on the spring stopper 9 of the inner support rod 2. One end abuts on the upper stopper 6 of the external support rod 1, the spring stopper 9, the spring 3, the upper stopper 6 and the lower stopper 7 together form a telescopic device, and the bottom end of the inner support rod 2 is equipped with a scroll wheel 4, The scroll wheel 4 can retract into the hollow structure of the outer support rod 1 under the drive of the inner support rod 2 .

As shown in Figures 1 and 3, the external support rod 1 is divided into two parts, the upper support rod and the lower support rod, and the connection between the upper support rod and the lower support rod is provided with a thread 5, and the upper and lower support rods are connected by the thread 5, Thread 5 is located between upper stopper 6 and lower stopper 7 .

The working principle of the present invention is as follows:

When the old man is still, the weight of the body acts on the handle 8 of the external support rod 1, and the external support rod 1 is subjected to a downward force. The reaction force makes the spring block 9 on the inner support rod 2 compress the spring 3, and the inner support rod 2 moves upward relative to the outer support rod 1 until the outer support rod 1 contacts the ground, and the scroll wheel 4 shrinks into the outer support rod 1 , the crutches are more stable; when the old man walks, the force applied to the handle 8 of the external support rod 1 decreases with the uprightness of the body, and the scroll wheel 4 pops up under the action of the spring restoring force, and the scroll wheel 4 is pushed to roll forward. Yes, to achieve the purpose of saving effort.

The invention fully considers and utilizes the stress situation when the old man uses the crutches, can solve the problems of labor saving and stability at the same time, and has a simple structure. The spring 3 of the present invention not only plays the role of controlling the movement of the internal support rod, but also plays the role of shock absorption, which fully considers the physical condition of the elderly and conforms to ergonomics.

The specific embodiments described above have further described the technical problems, technical solutions and beneficial effects solved by the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Inventions, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (2)

1. A telescopic labor-saving crutch, comprising an external support rod (1) and an internal support rod (2), the middle part of the external support rod (1) is a hollow structure, characterized in that: the outer surface of the internal support rod (2) A spring stopper (9) is provided, an upper stopper (6) and a lower stopper (7) are arranged on the inner surface of the outer support rod (1), and the inner support rod (2) can move up and down through the outer support rod (1) in the hollow structure, and the spring block (9) of the inner support rod (2) can move between the upper stopper (6) and the lower stopper (7), and the inner support rod (2) The upper part of the upper spring stopper (9) is covered with a spring (3), one end of the spring (3) abuts against the spring stopper (9) of the inner support rod (2), and the other end abuts against the outer support rod (1 ) on the upper stopper (6), the spring stopper (9), the spring (3), the upper stopper (6) and the lower stopper (7) together constitute a telescopic device, and the internal support rod (2) The bottom end is equipped with a scroll wheel (4), and the scroll wheel (4) can be retracted into the hollow structure of the outer support bar (1) under the drive of the inner support bar (2). 2. The telescopic labor-saving crutch according to claim 1, characterized in that: the external support rod (1) is divided into two parts, an upper support rod and a lower support rod, and the junction of the upper support rod and the lower support rod A thread (5) is provided through which the upper and lower support rods are connected, and the thread (5) is located between the upper block (6) and the lower block (7).