CN111297645A

CN111297645A - Walking aid with braking system

Info

Publication number: CN111297645A
Application number: CN202010116799.6A
Authority: CN
Inventors: 郭力
Original assignee: Wuhan Shangchengyuan Health Technology Co ltd
Current assignee: Wuhan Shangchengyuan Health Technology Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-06-19

Abstract

The invention discloses a walking aid with a braking system, which comprises a pair of sleeves arranged in parallel, wherein the front end and the rear end of each sleeve are respectively connected with an L-shaped branch pipe, the lower end of each branch pipe is connected with a roller assembly, and the two roller assemblies on the front side are provided with the braking systems; the braking system comprises two braking discs which are respectively fixed on roller shafts of two roller assemblies at the front side, a plurality of rectangular openings are formed on the braking discs, and a liftable T-shaped bolt is arranged above each braking disc. The invention can effectively ensure the safety of the patient when walking by installing the braking systems on the two front wheels, and has simple structure and simple, convenient and quick operation when braking.

Description

Walking aid with braking system

Technical Field

The invention relates to the technical field of walking aids, in particular to a walking aid with a braking system.

Background

The walking aid is a relatively common auxiliary tool for supporting the people with inconvenience in legs and feet, so that the walking aid can be self-managed and can walk as normal people. In view of the problem, when a patient walks with the walking aid with the rollers, the walking aid can freely slide to reduce physical consumption, but the rollers have no braking capability, so that the patient still has potential safety hazards of falling.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the walking aid with the braking system, the safety of a patient during walking can be effectively ensured by installing the braking system on the two front wheels, and meanwhile, the walking aid is simple in structure and simple, convenient and quick to operate during braking.

The scheme for solving the technical problems is as follows:

a walking aid with a braking system comprises a pair of sleeves which are arranged in parallel, the front end and the rear end of each sleeve are respectively connected with an L-shaped branch pipe, the lower end of each branch pipe is connected with a roller assembly, and the two roller assemblies on the front sides are provided with the braking systems;

the roller assembly comprises an insert sleeve and is fixed on a roller support at the lower end of the branch pipe, a roller shaft is hinged on the roller support, and a roller is fixed on the roller shaft;

the braking system comprises two braking discs which are respectively fixed on the roller shafts of two roller assemblies at the front side, a plurality of rectangular openings which are uniformly distributed on the circumference are formed on the outer wall of each braking disc, a T-shaped bolt is correspondingly arranged right above each braking disc, the vertical part of each T-shaped bolt is inserted in a corresponding guide seat, the vertical part can be inserted into each rectangular opening, each guide seat is fixed in the corresponding roller support, a pressure spring is clamped between the shoulder part of each T-shaped bolt and each guide seat, the upper end of the T-shaped bolt is pressed against the lower end of the ejector rod, the ejector rod is sleeved in the branch pipe in an inserting mode, a plurality of steel balls are sleeved in a bending portion of the branch pipe, the steel balls are clamped between the top end of the ejector rod and the driving mandrel, the mandrel is sleeved in the sleeve pipe, a pressing rod is connected between the two sleeve pipes in a sliding mode, the two mandrels are fixed at two ends of the pressing rod respectively, a supporting rod is arranged on the front side of the pressing rod, and the supporting rod is fixed between the two.

A first reinforcing rod is fixed between the middle parts of the two branch pipes on the front side, and a second reinforcing rod is fixed between the middle parts of the two branch pipes on the left side and between the middle parts of the two branch pipes on the right side.

The middle part of ejector pin has cup jointed a plurality of guide post covers, and a plurality of guide post covers are fixed in the branch pipe, and the top shaping of ejector pin has the kicking block with the inner wall matched with of branch pipe, and the centre gripping has supporting spring between kicking block and the guide post cover of the top.

The steel balls are hollow steel balls, and the ball diameters of the steel balls are matched with the inner diameters of the branch pipes.

The core shaft is a step cylinder with a small front part and a large rear part, the small end cylinder of the core shaft is inserted in the branch pipe at the front side and pressed on the steel ball at the rear side, the large end cylinder of the core shaft is matched with the inner diameter of the pipe of the sleeve, the rear end of the large end cylinder of the core shaft is fixed with a reset tension spring, the other end of the reset tension spring is fixed on a spring fixing block, and the spring fixing block is fixed in the sleeve.

And a rectangular hole is formed in the side wall of each sleeve facing the other sleeve, inserting rods are formed at two ends of the pressing rod, and the inserting rods penetrate through the extending ends of the rectangular holes and are inserted and sleeved on the corresponding mandrels.

The invention has the following outstanding effects: compared with the prior art, the safety of the patient during walking can be effectively ensured by installing the braking systems on the two front wheels, and meanwhile, the safety device is simple in structure and easy, convenient and quick to operate during braking.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 with respect to B;

FIG. 4 is a top view of FIG. 1;

fig. 5 is a partially enlarged view of fig. 4 about C.

Detailed Description

In the embodiment, as shown in fig. 1 to 5, a walking aid with a braking system comprises a pair of sleeves 1 which are arranged in parallel, wherein the front end and the rear end of each sleeve 1 are respectively connected with a branch pipe 2 in an L shape, the lower end of each branch pipe 2 is connected with a roller assembly 3, and the two roller assemblies 3 on the front side are provided with braking systems 4;

the roller assembly 3 comprises a roller support 31 which is inserted and fixed at the lower end of the branch pipe 2, a roller shaft 32 is hinged on the roller support 31, and a roller 33 is fixed on the roller shaft 32;

the braking system 4 comprises two brake discs 41 respectively fixed on the roller shafts 32 of two roller assemblies 3 at the front side, a plurality of rectangular openings 411 with uniformly distributed circumferences are formed on the outer wall of each brake disc 41, a T-shaped bolt 42 is correspondingly arranged right above each brake disc 41, the vertical part 421 of each T-shaped bolt 42 is inserted in a corresponding guide seat 43, the vertical part 421 can be inserted into the rectangular opening 411, the guide seats 43 are fixed in the roller support 31, a pressure spring 44 is clamped between the shoulder 422 of each T-shaped bolt 42 and the guide seat 43, the upper end of each T-shaped bolt 42 is pressed at the lower end of the ejector rod 45, the ejector rod 45 is inserted in the branch pipe 2, a plurality of steel balls 46 are sleeved in the bending part of the branch pipe 2, a plurality of steel balls 46 are clamped between the top end of the ejector rod 45 and the driving mandrel 47, the mandrel 47 is inserted in the sleeve pipe 1, and a pressure rod 48 is connected between the two, the two mandrels 47 are respectively fixed at two ends of a pressure lever 48, a support rod 49 is arranged at the front side of the pressure lever 48, and the support rod 49 is fixed between the two branch pipes 2 at the front side.

Further, a first reinforcing bar 51 is fixed between the middle portions of the two branch pipes 2 on the front side, and a second reinforcing bar 52 is fixed between the middle portions of the two branch pipes 2 on the left side and between the middle portions of the two branch pipes 2 on the right side.

Furthermore, a plurality of guide post sleeves 53 are sleeved at the middle part of the ejector rod 45, the guide post sleeves 53 are fixed in the branch pipe 2, an ejector block 451 matched with the inner wall of the branch pipe 2 is formed at the top end of the ejector rod 45, and a support spring 54 is clamped between the ejector block 451 and the uppermost guide post sleeve 53.

More specifically, the steel ball 46 is a hollow steel ball, and the ball diameter of the steel ball 46 is matched with the inner diameter of the pipe of the branch pipe 2.

More specifically, the core shaft 47 is a stepped cylinder with a small front and a large rear, the small end cylinder of the core shaft 47 is inserted into the branch pipe 2 at the front side and pressed against the steel ball 46 at the rear side, the large end cylinder of the core shaft 47 is matched with the inner diameter of the pipe of the sleeve 1, the rear end of the large end cylinder of the core shaft 47 is fixed with a return tension spring 55, the other end of the return tension spring 55 is fixed on a spring fixing block 56, and the spring fixing block 56 is fixed in the sleeve 1.

Furthermore, a rectangular hole 11 is formed on the side wall of each sleeve 1 facing the other sleeve 1, and insertion rods 481 are formed at both ends of the pressing rod 48, and the protruding ends of the insertion rods 481 passing through the rectangular holes 11 are inserted and sleeved on the corresponding mandrels 47.

The working principle is as follows: the patient with leg and foot inconvenience places both hands on the supporting rods 49 and the pressure rods 48, the palms and the other four fingers except the thumbs of both hands exert the main force on the supporting rods 49, the thumbs of both hands are lightly buckled on the pressure rods 48, and then the supporting rods 49 are pushed to push the walking aid to walk; when the walking aid needs to be braked, the pressure lever 48 is pressed to the supporting rod 49 by using the force of two hands, the pressure lever 48 drives the mandrel 47 to move forwards, the mandrel 47 presses the ejector rod 45 downwards for a certain distance through the steel balls 46, the jacking pressure 45 drives the T-shaped bolt 42 to move downwards and insert into one rectangular notch 411 of the brake disc 41, so that the brake disc 41 is locked, the brake disc 41 locks the roller shaft 32, and the roller shaft 32 locks the roller 33, so that the braking effect is achieved; when the pressure lever is loosened, the reset spring 55 drives the mandrel 47 to move backwards and reset, the support spring 54 drives the ejector rod 45 to move upwards and reset, and the pressure spring 44 drives the T-shaped bolt 42 to move upwards and reset.

Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.

Claims

1. The utility model provides a help capable ware with braking system, includes a pair of parallel arrangement's sleeve pipe (1), and the front end and the rear end of every sleeve pipe (1) are connected with a branch pipe (2) that are "L" type respectively, and the lower extreme of branch pipe (2) is connected with wheel components (3), its characterized in that: the two roller assemblies (3) on the front side are provided with braking systems (4);

the roller assembly (3) comprises an insert sleeve and is fixed on a roller support (31) at the lower end of the branch pipe (2), a roller shaft (32) is hinged on the roller support (31), and a roller (33) is fixed on the roller shaft (32);

the braking system (4) comprises two braking discs (41) which are respectively fixed on roller shafts (32) of two roller assemblies (3) at the front side, a plurality of rectangular openings (411) which are uniformly distributed on the circumference are formed on the outer wall of each braking disc (41), a T-shaped bolt (42) is correspondingly arranged right above each braking disc (41), a vertical part (421) of each T-shaped bolt (42) is inserted and sleeved in a corresponding guide seat (43), the vertical part (421) can be inserted into each rectangular opening (411), each guide seat (43) is fixed in a roller support (31), a pressure spring (44) is clamped between a shoulder part (422) of each T-shaped bolt (42) and each guide seat (43), the upper end of each T-shaped bolt (42) is pressed against the lower end of a push rod (45), each push rod (45) is inserted and sleeved in a branch pipe (2), a bending part of each branch pipe (2) is internally sleeved with a plurality of steel balls (46), a plurality of steel balls (46) are clamped between the top end of the ejector rod (45) and the driving mandrel (47), the mandrels (47) are inserted in the sleeves (1), a pressing rod (48) is connected between the two sleeves (1) in a sliding mode, the two mandrels (47) are fixed at the two ends of the pressing rod (48) respectively, a supporting rod (49) is arranged on the front side of the pressing rod (48), and the supporting rod (49) is fixed between the two branch pipes (2) on the front side.

2. A walker having a braking system as claimed in claim 1 wherein: a first reinforcing rod (51) is fixed between the middle parts of the two branch pipes (2) on the front side, and a second reinforcing rod (52) is respectively fixed between the middle parts of the two branch pipes (2) on the left side and between the middle parts of the two branch pipes (2) on the right side.

3. A walker having a braking system as claimed in claim 1 wherein: the middle part of ejector pin (45) has cup jointed a plurality of guide post covers (53), and a plurality of guide post covers (53) are fixed in branch pipe (2), and the top shaping of ejector pin (45) has with the inner wall matched with kicking block (451) of branch pipe (2), and the centre gripping has supporting spring (54) between kicking block (451) and the guide post cover (53) of the top side.

4. A walker having a braking system as claimed in claim 1 wherein: the steel balls (46) are hollow steel balls, and the ball diameters of the steel balls (46) are matched with the inner diameter of the branch pipe (2).

5. A walker having a braking system as claimed in claim 1 wherein: the core shaft (47) is a step cylinder with a small front part and a large rear part, the small end cylinder of the core shaft (47) is inserted in the branch pipe (2) at the front side and pressed on the steel ball (46) at the rear side, the large end cylinder of the core shaft (47) is matched with the inner diameter of the pipe of the sleeve pipe (1), the reset tension spring (55) is fixed at the rear end of the large end cylinder of the core shaft (47), the other end of the reset tension spring (55) is fixed on the spring fixing block (56), and the spring fixing block (56) is fixed in the sleeve pipe (1).

6. A walker having a braking system as claimed in claim 1 wherein: a rectangular hole (11) is formed in the side wall, facing the other sleeve (1), of each sleeve (1), insertion rods (481) are formed at two ends of each compression rod (48), and the insertion rods (481) penetrate through the extending ends of the rectangular holes (11) and are inserted and sleeved on corresponding mandrels (47).