CN213908853U - Balance crutch with damping and buffering mechanism - Google Patents

Abstract

The utility model relates to the technical field of walking auxiliary equipment, in particular to a balance crutch with a damping and buffering mechanism, which comprises a balance mechanism, wherein a height adjusting mechanism is arranged above the balance mechanism; the balance crutch with the damping and buffering mechanism can effectively ensure that the main body of the crutch is in an upright state through the balance mechanism, so that the balance of a user can be ensured through the self balance of the crutch when in use, better support is provided for use, and the safety of the old people in using the crutch is ensured; the balance crutch with the shock absorption buffer mechanism is convenient to be properly adjusted according to the stature of a user through the height adjusting mechanism, and the design is humanized; simultaneously under the effect of spring, cushion chamber and piston etc. when main round and accessory wheel moved to unevenness's road surface, can effectual reduction vibration to provide better use comfort.

Description

Balance crutch with damping and buffering mechanism

Technical Field

The utility model relates to a walking auxiliary assembly technical field specifically is a balanced walking stick with shock attenuation buffer gear.

Background

A crutch is a simple apparatus for walking assistance, usually a wooden or metal stick; in an aging society, the old faces common problems of inconvenient movement, hypomnesis, falling and the like, seriously threatens physical and mental health, daily activities and independent living capacity of the old, and also increases the burden of families and society, and the crutch is used as a simple instrument and can assist various actions of the old in modern life; the prior crutch has the following problems when in use: on one hand, the structure and the function of the existing crutch are single, so that the crutch cannot play a balanced supporting function for the old when the old uses the crutch, and if the crutch sideslips in the using process, the crutch is not safe for the old; on the other hand, the height of the existing crutch is not adjustable, and the design is not suitable for the old people with different statures.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balanced walking stick with shock attenuation buffer gear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a balance crutch with a shock absorption buffer mechanism comprises a balance mechanism, wherein a height adjusting mechanism is arranged above the balance mechanism, and a support rod is arranged above the height adjusting mechanism; balance mechanism includes the casing, set up two symmetrical mounting holes on the arc outer wall of casing, the cavity has been seted up on the casing, coaxial inseparable bonding has the connecting axle in the cavity, it is connected with the main wheel to rotate on the connecting axle, the both sides of casing all are equipped with two supports that are parallel to each other, two through-holes that are parallel to each other are seted up on the top of support, the through-hole passes through bolt and casing fixed connection, the bottom of support is all rotated and is connected with the auxiliary wheel.

As a preferred technical solution of the present invention, the height adjusting mechanism includes a lower connecting rod, the top ends of the two side walls of the lower connecting rod are closely bonded with bumps, the bumps are provided with shaft holes, and the top surface of the lower connecting rod is provided with a buffer cavity; the bottom end of the lower connecting rod is tightly bonded with a connecting plate, two symmetrical connecting holes are formed in the connecting plate, and the connecting plate is fixedly connected with the mounting hole through a bolt; an upper connecting rod is arranged above the lower connecting rod, fixed blocks are tightly bonded at the bottom ends of the two side walls of the connecting rod, a sliding rod is tightly bonded at the bottom surface of each fixed block, the sliding rod penetrates through the shaft hole and is in sliding connection with the shaft hole, a buffer spring is sleeved on the sliding rod, and the two ends of the buffer spring abut against the fixed blocks and the convex blocks; the bottom end of the upper connecting rod is coaxially and tightly bonded with a connecting rod, the bottom end of the connecting rod is tightly bonded with a piston, and the piston is in sliding connection with the buffer cavity; the top of connecting rod closely bonds has the pinion rack, the top of pinion rack closely bonds has the dog.

As a preferred technical scheme of the utility model, a connecting body is arranged above the upper connecting rod, a sliding cavity is arranged on the bottom surface of the connecting body, the sliding cavity is connected with the upper connecting rod in a sliding manner, and a limiting component is arranged on one side of the toothed plate; spacing subassembly includes the fixed plate, the latch has been seted up on a lateral wall of fixed plate, the latch meshes with the pinion rack mutually, it has two poles of supporting that are parallel to each other to closely bond on the opposite lateral wall of fixed plate, the cover is equipped with reset spring on the pole to support, reset spring's both ends support the inner wall and the fixed plate in tight sliding chamber, the end of supporting the pole passes the outer wall of connector and outstanding to the external world, two it has group board to closely bond between the end of supporting the pole.

As the utility model discloses preferred technical scheme, it has the shifting block to dial close bonding on the board, the hole has been dialled to having seted up on the shifting block.

As the utility model discloses preferred technical scheme, the piston adopts the rubber material to make.

As the utility model discloses preferred technical scheme, the whole shape of connecting plate is the arc.

As the utility model discloses preferred technical scheme, close bonding has two handrails that are parallel to each other on the branch.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the balance crutch with the damping and buffering mechanism can effectively ensure that the main body of the crutch is in an upright state through the balance mechanism, namely under the action of the main wheel and the plurality of auxiliary wheels, so that the balance of a user can be ensured through the self balance of the crutch when in use, better support is provided for use, and the safety of the old people in using the crutch is ensured;

2. the balance crutch with the damping and buffering mechanism is provided with the height adjusting mechanism, namely, the latch is meshed with the toothed plate, and the distance between the connecting body and the connecting rod is adjusted under the action of the limiting assembly, so that the height of the crutch main body is improved, the proper adjustment can be conveniently carried out according to the stature of a user, and the design is humanized; simultaneously under the effect of spring, cushion chamber and piston etc. when main round and accessory wheel moved to unevenness's road surface, can effectual reduction vibration to provide better use comfort.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an exploded schematic view of the balancing mechanism of the present invention;

fig. 3 is a schematic structural view of the housing of the present invention;

fig. 4 is an exploded view of the height adjustment mechanism of the present invention;

FIG. 5 is a sectional view of the height adjustment mechanism of the present invention;

FIG. 6 is a schematic structural view of the middle and lower connecting rods of the present invention;

fig. 7 is a structural side view of the upper connecting rod of the present invention;

fig. 8 is an enlarged schematic view of fig. 5 according to the present invention;

fig. 9 is a schematic structural view of the middle limiting component of the present invention.

The various reference numbers in the figures mean:

1. a balancing mechanism; 11. a housing; 111. mounting holes; 112. a cavity; 113. a connecting shaft; 12. a main wheel; 13. a support; 131. a through hole; 14. a secondary wheel;

2. a height adjustment mechanism; 21. a lower connecting rod; 211. a bump; 212. a shaft hole; 213. a buffer chamber; 22. a connecting plate; 221. connecting holes; 23. an upper connecting rod; 231. a fixed block; 232. a slide bar; 233. a buffer spring; 234. a connecting rod; 235. a piston; 24. a toothed plate; 25. a linker; 251. a slide chamber; 26. a stopper; 27. a limiting component; 271. a fixing plate; 272. clamping teeth; 273. a support rod; 274. a return spring; 275. dialing a plate; 276. shifting blocks; 277. poking holes;

3. a strut; 31. a handrail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The utility model provides a technical scheme:

referring to fig. 1-3, a balance crutch with a shock absorbing and buffering mechanism includes a balance mechanism 1, a support rod 3 is disposed above a height adjusting mechanism 2; balance mechanism 1 includes casing 11, two symmetrical mounting holes 111 have been seted up on the arc outer wall of casing 11, cavity 112 has been seted up on the casing 11, coaxial inseparable bonding has connecting axle 113 in the cavity 112, it is connected with main wheel 12 to rotate on the connecting axle 113, the both sides of casing 11 all are equipped with two supports 13 that are parallel to each other, two through-holes 131 that are parallel to each other are seted up on the top of support 13, through-hole 131 passes through bolt and casing 11 fixed connection, the bottom of support 13 all rotates and is connected with auxiliary wheel 14.

In this embodiment, two parallel handrails 31 are closely adhered to the supporting rod 3, and the two handrails 31 can provide a plurality of force supporting points, so that a user can stand up or sit down more conveniently.

Referring to fig. 4-9, a height adjusting mechanism 2 is disposed above the balance mechanism 1. The height adjusting mechanism 2 comprises a lower connecting rod 21, the top ends of the two side walls of the lower connecting rod 21 are tightly adhered with convex blocks 211, the convex blocks 211 are provided with shaft holes 212, and the top surface of the lower connecting rod 21 is provided with a buffer cavity 213; the bottom end of the lower connecting rod 21 is tightly bonded with a connecting plate 22, two symmetrical connecting holes 221 are formed in the connecting plate 22, and the connecting plate 22 is fixedly connected with the mounting hole 111 through a bolt; an upper connecting rod 23 is arranged above the lower connecting rod 21, the bottom ends of the two side walls of the connecting rod 23 are tightly adhered with fixing blocks 231, the bottom surface of each fixing block 231 is tightly adhered with a sliding rod 232, the sliding rod 232 penetrates through the shaft hole 212 and is in sliding connection with the shaft hole 212, the sliding rod 232 is sleeved with a buffer spring 233, and two ends of the buffer spring 233 tightly abut against the fixing blocks 231 and the convex blocks 211; a connecting rod 234 is coaxially and tightly bonded at the bottom end of the upper connecting rod 23, a piston 235 is tightly bonded at the bottom end of the connecting rod 234, and the piston 235 is in sliding connection with the buffer cavity 213; a toothed plate 24 is tightly bonded at the top end of the connecting rod 23, and a stop 26 is tightly bonded at the top end of the toothed plate 24; a connecting body 25 is arranged above the upper connecting rod 23, a sliding cavity 251 is formed in the bottom surface of the connecting body 25, the sliding cavity 251 is connected with the upper connecting rod 23 in a sliding mode, and a limiting assembly 27 is arranged on one side of the toothed plate 24; the limiting assembly 27 comprises a fixing plate 271, a clamping tooth 272 is formed on one side wall of the fixing plate 271, the clamping tooth 272 is meshed with the toothed plate 24, two parallel supporting rods 273 are tightly bonded on the other side wall of the fixing plate 271, a return spring 274 is sleeved on the supporting rods 273, two ends of the return spring 274 tightly support the inner wall of the sliding cavity 251 and the fixing plate 271, the tail end of the supporting rod 273 penetrates through the outer wall of the connecting body 25 and protrudes to the outside, and a shifting plate 275 is tightly bonded between the tail ends of the two supporting rods 273.

In this embodiment, the shifting block 276 is closely adhered to the shifting plate 275, the shifting block 276 is provided with a shifting hole 277, and the shifting block 276 and the shifting hole 277 are arranged to facilitate shifting the fixing plate 271 to move, so that the distance between the upper connecting rod 23 and the connecting body 25 is conveniently changed, and the height of the crutch body is conveniently adjusted.

In this embodiment, the piston 235 is made of rubber, and there is a better friction between the piston 235 and the buffer chamber 213, so as to provide a better damping effect during shock absorption.

In this embodiment, the connecting plate 22 is arc-shaped, and the arc-shaped connecting plate 22 facilitates the connection and fixation between the lower connecting rod 21 and the housing 11, and the arc-shaped connecting plate 22 facilitates the better fixation with the housing 11.

When the balance crutch with the shock absorption buffer mechanism is used, a user firstly holds one of the armrests 31, and the user pushes the device to move at the same time, so that the balance crutch can assist walking along with the rotation of the main wheel 12 and the auxiliary wheel 14;

when the height needs to be adjusted, a user firstly penetrates fingers through the shifting hole 277 and pulls the shifting block 275 and the shifting plate 275 to one side, the shifting plate 275 drives the abutting rod 273 to move, the return spring 274 is compressed along with the movement of the abutting rod 273, the fixing plate 271 drives the latch 272 to be separated from the toothed plate 24, meanwhile, the user pulls the connecting body 25 upwards or downwards, the upper connecting rod 23 slides in the sliding cavity 251, when the connecting body 25 moves to the proper height, the user loosens the shifting block 276, the return spring 274 resets to drive the fixing plate 271 and the latch 272 to reset, the connecting body 25 does not move, and the height adjustment is completed;

when the main wheel 12 and the auxiliary wheel 14 move to a highly uneven road surface, vibration is transmitted to the upper connecting rod 23 and the lower connecting rod 21, at this time, the sliding rod 232 slides in the shaft hole 212, the buffer spring 233 extends and retracts in a reciprocating manner, the piston 235 slides in the buffer cavity 213 at the same time, and the vibration is weakened along with damping generated by the movement of the piston 235.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a balanced walking stick with shock attenuation buffer gear, includes balanced mechanism (1), its characterized in that: a height adjusting mechanism (2) is arranged above the balance mechanism (1), and a supporting rod (3) is arranged above the height adjusting mechanism (2); balance mechanism (1) includes casing (11), two symmetrical mounting hole (111) have been seted up on the arc outer wall of casing (11), cavity (112) have been seted up on casing (11), coaxial inseparable bonding has connecting axle (113) in cavity (112), it is connected with main wheel (12) to rotate on connecting axle (113), the both sides of casing (11) all are equipped with two supports (13) that are parallel to each other, two through-hole (131) that are parallel to each other are seted up on the top of support (13), through-hole (131) pass through bolt and casing (11) fixed connection, the bottom of support (13) is all rotated and is connected with auxiliary wheel (14).

2. The balanced crutch with a shock absorbing cushioning mechanism of claim 1 further comprising: the height adjusting mechanism (2) comprises a lower connecting rod (21), the top ends of two side walls of the lower connecting rod (21) are tightly bonded with a lug (211), the lug (211) is provided with a shaft hole (212), and the top surface of the lower connecting rod (21) is provided with a buffer cavity (213); a connecting plate (22) is tightly bonded at the bottom end of the lower connecting rod (21), two symmetrical connecting holes (221) are formed in the connecting plate (22), and the connecting plate (22) is fixedly connected with the mounting hole (111) through a bolt; an upper connecting rod (23) is arranged above the lower connecting rod (21), the bottom ends of two side walls of the connecting rod (23) are tightly bonded with fixing blocks (231), the bottom surface of each fixing block (231) is tightly bonded with a sliding rod (232), each sliding rod (232) penetrates through the corresponding shaft hole (212) and is in sliding connection with the corresponding shaft hole (212), each sliding rod (232) is sleeved with a buffer spring (233), and two ends of each buffer spring (233) tightly support the corresponding fixing block (231) and the corresponding bump (211); a connecting rod (234) is coaxially and tightly bonded to the bottom end of the upper connecting rod (23), a piston (235) is tightly bonded to the bottom end of the connecting rod (234), and the piston (235) is in sliding connection with the buffer cavity (213); the top end of the connecting rod (23) is tightly bonded with a toothed plate (24), and the top end of the toothed plate (24) is tightly bonded with a stop block (26).

3. The balanced crutch with a shock absorbing cushioning mechanism of claim 2 further comprising: a connecting body (25) is arranged above the upper connecting rod (23), a sliding cavity (251) is formed in the bottom surface of the connecting body (25), the sliding cavity (251) is connected with the upper connecting rod (23) in a sliding mode, and a limiting assembly (27) is arranged on one side of the toothed plate (24); spacing subassembly (27) include fixed plate (271), latch (272) have been seted up on a lateral wall of fixed plate (271), latch (272) mesh mutually with pinion rack (24), it has two pole (273) that support that are parallel to each other to closely bond on the opposite side wall of fixed plate (271), it is equipped with reset spring (274) to support to overlap on pole (273), the inner wall and fixed plate (271) of sliding chamber (251) are supported tightly at the both ends of reset spring (274), the end of supporting pole (273) passes the outer wall of connector (25) and outstanding to the external world, two it has group board (275) to closely bond between the end of supporting pole (273).

4. The balanced crutch with a shock absorbing cushioning mechanism of claim 3 further comprising: a shifting block (276) is closely adhered to the shifting plate (275), and a shifting hole (277) is formed in the shifting block (276).

5. The balanced crutch with a shock absorbing cushioning mechanism of claim 2 further comprising: the piston (235) is made of rubber materials.

6. The balanced crutch with a shock absorbing cushioning mechanism of claim 2 further comprising: the connecting plate (22) is arc-shaped as a whole.

7. The balanced crutch with a shock absorbing cushioning mechanism of claim 1 further comprising: two mutually parallel handrails (31) are closely adhered on the support rod (3).

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