CN208243065U - A kind of multi-function walking stick - Google Patents

Abstract

The utility model discloses a kind of adjustable crutchs, including handle, hollow stick stem, one retractable support lever, two fixed support rods, the utility model adjusts the height of retractable support lever using controllable air spring, controllable air spring can stop by relieving mechanism in any position in stroke, and there is very big coupling mechanism force after stopping, therefore retractable support lever can be made to adjust the height to needs, and has very high stability, support rod cooperation is fixed with other two again, it can make crutch while stabilization is supported on the supporting point of different level, it can not only be used in flat road surface, it is upper downstairs or when slope surface is walked can also pass through the multi-point support of different height and provide higher stability, further improve practicability and the safety of crutch.

Description

A kind of multi-function walking stick

Technical field

The utility model relates to a kind of walking aid device, specially a kind of adjustable crutch.

Background technique

Crutch, a kind of simple instrument of auxiliary walking, usually one wooden or metal rod, usually old man and deformity People uses.Crutch can also be used as a kind of medical rehabilitation appurtenance, use for blind person and disabled person.But existing crutch Only have a supporting point or several contour supporting points, be only suitable in flat pavement usage, it is upper downstairs or slope surface walking It is easy to single or several supporting points stable not simultaneously to be supported on different height because of supporting point and cause to prop up when use Support is unstable, causes actual bodily harm.Need a kind of new technique scheme now to solve the above problems.

Summary of the invention

To solve the above problems, the utility model provides a kind of adjustable crutch, it will by using controllable air spring The one of support rod of crutch is arranged to height-adjustable state, and user is upper downstairs or when slope surface is walked, scalable branch Strut is adjustable in place and to cooperate other two to fix support rod, keeps multiple supporting points of crutch steady simultaneously Fixed is supported on the ladder and slope surface of different height, substantially increases the stability of crutch, user is in flat road surface, building Ladder, slope surface road surface can use safely.

The utility model is achieved through the following technical solutions

A kind of adjustable crutch, including handle, hollow stick stem, a retractable support lever and two fixed support rods, The vertical portion's connecting rod and hollow stick stem upper end for being characterized in that handle are connected together, and the retractable support lever includes controllable type gas bullet Spring, the pedestal and terminal pad for being fixed at controllable air spring bottom end, terminal pad are sleeved on hollow stick stem and controllable type gas Between spring, the pull handle of control controllable air spring is provided in the hollow stick stem upper end fluting, pull handle passes through connection component It is connect with controllable air spring control valve, connection component is arranged in hollow stick stem, and two fixed support rods are with cambered L shape, be mounted in terminal pad by center axial symmetry of retractable support lever, and the vertical height of two fixed support rods with can Height of the telescopic supporting rod in controllable air spring free state is consistent.

Angle between preferred two fixed support rods is 60-120 degree.

Vertical portion's connecting rod of preferred handle is equipped with elastic force pearl, cooperates with multiple adjustment holes that hollow stick stem upper end is opened, Adjust crutch whole height.

Preferred adjustment hole is 4.

Preferred handle and hollow stick stem are aluminum alloy material.

Preferred handle is with cambered T-shaped, and surface is surrounded by Anti-slip cover.

It is provided with link on preferred handle, wrist strap is installed on link.

Preferred retractable support lever and fixed support rod lower end are equipped with support leg.

Preferred support foot bottom is removably equipped with non-slip mat.

The utility model has the following advantages that compared with prior art

Adjustable crutch is used in conjunction with each other by a retractable support lever and two fixed support rods, can be met not With the use on road surface, the function that is used in flat road surface in addition to having ordinary canes, it may also be used for upper downstairs to walk with slope surface It uses.Since the adjustable crutch makes a support rod have Telescopic by the way that controllable air spring is arranged, user is upper When downstairs, retractable support lever can be made to adjust to suitable height by controlling controllable air spring, make retractable support lever branch Support all has supporting point, makes the stability and safety coefficient of crutch on the step of upper level on two adjacent in this way section steps Greatly improve, the multi-point support of two neighboring step also make user it is upper downstairs when more Labor-saving safety.Similarly, in slope surface row Retractable support lever can also be adjusted to suitable position when walking, make what three supporting points can be stable to be supported in slope surface.

The utility model selects controllable air spring, is the elastic curve for having near-linear because of are as follows: gas spring, speed phase To slow, dynamic force change is little, is easy to control, and gas bar only needs once braking that can rise or fall when adjusting； Controllable air spring can stop by some relieving mechanisms in any position in stroke, and have very big lock after stopping Clamp force (can achieve 10000N or more), therefore any as needed in the stroke range of controllable air spring can adjust height Degree, and have very high stability；Compared with free style gas spring, controllable air spring is not required to when in flat road surface using crutch Locking mechanism is wanted, it reduce the weight of crutch and complexities；Compared with steel spring, gas spring is light-weight, is not required to additional Applied force only need to control air valve switch, and comforts of use are good.The above characteristic of controllable air spring has the utility model Standby more preferably stability and ease for operation and practicability.

Detailed description of the invention

Fig. 1 is the utility model main view

Fig. 2 is the utility model schematic diagram when using on stair

Figure label: 1 handle, 2 hollow stick stems, 3 retractable support levers, 31 controllable air springs, 32 pedestals, 33 connections Disk, 4 fixed support rods, 5 pull handles, 6 elastic force pearls, 7 adjustment holes, 8 Anti-slip covers, 9 links, 10 wrist straps, 11 support legs, 12 non-slip mats.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Figure 1, the utility model discloses a kind of adjustable crutch, including handle 1, hollow stick stem 2, one it is scalable Support rod 3, two fixed support rods 4, handle 1 indulge portion's connecting rod and are connected together with hollow 2 upper end of stick stem, retractable support lever 3 Including controllable air spring 31, it is fixed at the pedestal 32 of gas spring bottom end, and for connecting hollow stick stem and controllable type The connection 33 of gas spring realizes the height adjustment of retractable support lever 3 by controllable air spring 31, in the hollow stick stem 2 The pull handle 5 of control controllable air spring 31 is equipped in the fluting of end, pull handle 5 passes through connection component and 31 control valve of controllable air spring Door connection, connection component are arranged in hollow stick stem 2, and for controlling the release and locking of controllable air spring, the setting of pull handle 5 exists The person's of the being convenient to use control of this position, hand can be the ability to easily control without departing from crutch handle, also ensure the safety of user. Two fixed support rods 4 be with retractable support lever 3 be that center axial symmetry is mounted in terminal pad 33 with cambered L shape, and The vertical height of two fixed support rods 4 is consistent with height of the retractable support lever 3 in controllable air spring free state.

The utility model realizes the height adjustment of retractable support lever using controllable air spring, without increasing it His locking device, retractable support lever have very strong locking ability, and height can be kept constant, in use, can in flat road surface Control type gas spring is in free state, and the vertical height of two fixed support rods 4 and retractable support lever 3 are in controllable type gas bullet Height when spring free state is consistent, therefore three supporting points can be supported on simultaneously on flat road surface, provide stable branch Support force, when the angle between two fixed support rods is spent for 60-120, adjustable crutch is more stable and beautiful.

Fig. 2 is referred to, when, in use, need to only pull pull handle 5, retractable support lever 3 will be in human body itself on stair Under the action of gravity and controllable air spring 31, adjusts to a suitable height, make shrinkable they sup-port in upper level Step on, and fix they sup-port and be still supported on former step, all there is supporting point on two adjacent in this way section steps, The stability and safety coefficient for making crutch greatly improve, the multi-point support of two neighboring step also make user it is upper downstairs when more For Labor-saving safety, retractable support lever 3 is fixed preceding using with cambered T word structure, therefore when upstairs for handle 1 Support rod 4 rear, and downstairs when need to only exchange the direction of crutch, make retractable support lever 3 rear, fixed support rod 4 is preceding, i.e., Can normal use, the utility model use controllable air spring can be parked in any position locking, the platform suitable for different height Rank.Equally when slope surface is walked, it is also possible to which same method controls retractable support lever, can adjust retractable support lever 3 and arrive Suitable height makes what three supporting points can be stable to be supported in slope surface.After restoring flat road surface walking, it need to only pull again Pull rod 5, retractable support lever 3 can restore under the action of controllable air spring to original height, with other two The fixed cooperation of support rod 4 restores the use of flat road surface.

Vertical portion's connecting rod of handle 1 is equipped with elastic force pearl 7, cooperates with 4 adjustment holes 8 that hollow 2 upper end of stick stem is opened, due to The height of each user is different, only need to be by down spring pearl, by the vertical of handle 1 if the height of adjustable crutch is improper Portion's connecting rod is pushed to suitable position, recycles elastic force pearl 6 to be fastened on corresponding adjustment hole 7, that is, completes to crutch The adjusting of whole height.Handle 1 and hollow stick stem 2 use aluminum alloy material durable and light weight, are cased on handle Anti-slip cover 8, and wrist strap 10 is set, can preventing user, crutch is slipped out of the hand in use, causes the injury to body.At three Support rod lower end, which is respectively provided with heel brace 11, can increase the contact area on crutch supporting point and ground, improve stability, and support 11 bottom of foot, which is equipped with non-slip mat 12, can further increase frictional force, improve the stability of crutch, dismountable mounting means side Just replacement in time, further increases the stability and safety of crutch.

Claims (9)

1. a kind of adjustable crutch, including handle (1), hollow stick stem (2), a retractable support lever (3), two fixed supports Bar (4), it is characterised in that vertical portion's connecting rod of handle (1) is connected together with hollow stick stem (2) upper end, the retractable support lever (3) include controllable air spring (31), the pedestal (32) and terminal pad (33) for being fixed at controllable air spring bottom end, connect It connects disk (33) to be sleeved between hollow stick stem (2) and controllable air spring (31), setting in hollow stick stem (2) the upper end fluting There is the pull handle (5) of control controllable air spring, pull handle (5) is connected by connection component and controllable air spring (31) control valve It connects, connection component is arranged in hollow stick stem (2), and two fixed support rods (4) are with cambered L shape, with retractable supports Bar (3) is mounted on terminal pad (33) for center axial symmetry, and the vertical height and retractable supports of two fixed support rods (4) Height of the bar (3) in controllable air spring free state is consistent.

2. adjustable crutch as described in claim 1, it is characterised in that the angle between described two fixed support rods (4) is 60-120 degree.

3. adjustable crutch as described in claim 1, it is characterised in that vertical portion's connecting rod of the handle (1) is equipped with elastic force Pearl (6), the multiple adjustment holes (7) opened with hollow stick stem (2) upper end match.

4. adjustable crutch as claimed in claim 3, it is characterised in that the adjustment hole (7) is 4.

5. adjustable crutch as described in claim 1, it is characterised in that the handle (1) and hollow stick stem (2) are aluminium alloy Material.

6. adjustable crutch as described in claim 1, it is characterised in that the handle (1) is with cambered T-shaped, surface It is surrounded by Anti-slip cover (8).

7. adjustable crutch as described in claim 1, it is characterised in that be provided on the handle link (9), pacify on link Equipped with wrist strap (10).

8. the adjustable crutch as described in claim 1-7 any one claim, it is characterised in that the retractable supports Bar (3) and fixed support rod (4) lower end are equipped with support leg (11).

9. adjustable crutch as claimed in claim 8, it is characterised in that support leg (11) bottom is removably equipped with Non-slip mat (12).