CN212685848U

CN212685848U - Walking aid vehicle with unilateral braking system

Info

Publication number: CN212685848U
Application number: CN202021726957.1U
Authority: CN
Inventors: 黄振彰
Original assignee: Zhongshan Rongjie Medical Apparatus Industrial Co ltd
Current assignee: Zhongshan Rongjie Medical Apparatus Industrial Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-03-12
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a help capable car with unilateral braking system, which comprises a vehicle rack, the bottom of frame is provided with the wheel, the upper portion of frame is provided with a pair of handle, and one of them the handle has set a brake lever, two piece at least brake lines on the brake lever, and all the one end of brake line is passed and is connected to respectively relatively independently after the concentrator respectively on the brake lever in order by brake lever drives simultaneously, and the other end is connected to the design respectively and is brakeable on the wheel. The utility model discloses think about novelty, reasonable in design and convenient to use, the utility model provides a new brake cable sets up the form, realizes one-hand operation, convenient to use, good reliability, the stability is high.

Description

Walking aid vehicle with unilateral braking system

Technical Field

The utility model relates to a human auxiliary device technical field, in particular to help capable car with unilateral braking system.

Background

Rollators are used to provide walking assistance to persons who are partially physically handicapped, and require a person to push behind them during a particular use. Meanwhile, the handle is required to be held by hand to control the brake, and the existing rehabilitation vehicle is designed to require two hands to control the handle to brake, so that the operation is inconvenient, and even the operation cannot be carried out under some situations, and therefore, the rehabilitation vehicle is designed to be operated by one hand.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a help capable car with unilateral braking system.

The technical scheme of the utility model as follows: the walking-aid vehicle with the unilateral braking system comprises a frame, wheels are arranged at the bottom of the frame, a pair of handles is arranged at the upper part of the frame, one of the handles is provided with a brake handle, at least two brake cables are arranged on the brake handle, one ends of all the brake cables penetrate through a hub and are respectively and independently connected to the brake handle so as to be driven by the brake handle simultaneously, and the other ends of the brake cables are respectively connected to the wheels which are designed to be braked.

Technical scheme more than adopting, the frame plays the effect of support, utilizes the wheel to remove simultaneously. When braking is needed, the brake handle pulls the brake cable to guide and generate braking action on the wheel. One ends of the two brake cables are connected to a brake handle, and braking can be performed by operating the brake handle.

Furthermore, the number of the brake cables is two, correspondingly, a Y-shaped wiring pipeline is formed in the concentrator, wherein two of the Y-shaped wiring pipelines are formed as wire inlet ends, the other wire outlet end is formed as a wire outlet end, and the two brake cables respectively enter from the wire inlet ends and are led out from the wire outlet ends. The preferred mode of arranging the two brake cables is given.

Further, the brake cable is connected to the wheel through a brake assembly; the brake assembly comprises a support, a return spring and a brake pad, the middle part of the brake pad is hinged to the support to realize rotation, one end of the brake pad is connected to the brake cable, the other end of the brake pad can hold the wheel to realize braking, one end of the support is fixed on the frame, the other end of the support is suspended, and the brake cable movably penetrates through the support and then is connected to the brake pad to pull the brake pad to realize braking; the reset spring is sleeved on the brake cable, one end of the reset spring is abutted to the support, and the other end of the reset spring is abutted to the connecting position of the brake pad and the brake cable. In the preferred embodiment, a structural form of the brake assembly is specifically given.

Further, the frame includes two main hack levers that structure and size are the same, two the main hack lever sets up side by side, the quantity of wheel is four, and two liang sets up respectively the bottom of main hack lever. The optimization particularly provides a matching structure of the main frame rod and the wheels.

Furthermore, two folding support rods are arranged between the two main frame rods, the middle parts of the two folding support rods are hinged, the upper ends of the two folding support rods are hinged to the upper parts of the two folding support rods respectively, and the lower ends of the two folding support rods are hinged to the lower parts of the two folding support rods respectively. In this preference, a folding support bar is provided to act as a folding and support between the main frame bars.

Furthermore, the foldable seat also comprises a flexible seat surface which is positioned above the foldable support rods, and two ends of the flexible seat surface are respectively connected to one of the foldable support rods. In this preference, through setting up the flexible seat face on the one hand be convenient for fold, on the other hand be convenient for the disease to sit and use.

The brake cable is characterized by further comprising a handle support, the brake handle is arranged on the handle support, and the brake cable passes through the hub and penetrates through the handle support to be connected to the brake handle. In this preference, the brake handle is supported and arranged by the handle bracket.

Further, the handle support is plate-shaped, and forms a groove through the bending of plate body, the bottom in groove is provided with the line hole, the brake line passes through the line hole penetrates the inslot, brake lever sets up the inslot. In the preferred, a specific structural form of the handle support is provided, and the handle support is convenient to use.

Furthermore, the number of the wire through holes is two, and the brake cable penetrates into the groove from one of the brake cable and then penetrates out of the other wire through hole. The preferable concrete arrangement structure form of the brake cable is provided.

Furthermore, a shaft is formed at the end part of the brake handle, and the brake cable enters the groove, then bypasses the shaft and then penetrates out of the other wire passing hole. In the optimization, a specific arrangement structure form of the brake cable is provided, and the stable arrangement of the brake cable is ensured.

Furthermore, be formed with two positions on the inner wall in groove and be the spout of bar, just the upper limb of spout forms to the face the slope of handle, the center department protrusion of axle is formed with the back shaft, and two the back shaft stretches into the spout forms the structure that the shell slided and supported. In the preferred embodiment, the use effect is ensured by arranging a specific arrangement structure of the brake handle on the groove.

Further, a support protrusion is formed at an end of the brake lever. In the optimal situation, the brake handle is convenient to apply force when in use through the arrangement of the supporting protrusions.

Has the advantages that: the utility model discloses think about novelty, reasonable in design and convenient to use, the utility model provides a new brake cable sets up the form, realizes one-hand operation, convenient to use, good reliability, the stability is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle according to an embodiment of the present invention.

Fig. 3 is a schematic view of a handle support structure according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of the handle holder according to another view angle in an embodiment of the present invention.

Fig. 5 is a schematic view of a structure of the brake cable on the brake handle according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a hub according to an embodiment of the present invention.

Fig. 7 is a schematic cross-sectional structure diagram of a hub according to an embodiment of the present invention.

Fig. 8 is an enlarged schematic view of a portion a of fig. 1.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

4. The rollator with a single-sided brake system as shown in fig. 1-8 has a frame 100, wheels 200 are provided on the bottom of the frame 100, a pair of handles 110 are provided on the upper portion of the frame 100, and one of the handles 110 is provided with a brake handle 300, at least two brake cables 400 are provided on the brake handle 300, and one end of each of the brake cables 400 is passed through a hub 500 and then is independently connected to the brake handle 300 to be simultaneously moved by the brake handle 300, and the other end is connected to the wheel 200 which is designed to be braked. Preferably, the number of the brake cables 400 is two, and accordingly, a "Y" shaped routing pipeline is formed inside the hub 500, two of the routing pipelines are formed as wire inlet ends, and the other is a wire outlet end, and the two brake cables 400 respectively enter from the wire inlet ends and exit from the wire outlet ends. As shown in fig. 8, the brake cable 400 is connected to the wheel 200 through a brake assembly 900; the brake assembly 900 includes a bracket 910, a return spring 920 and a brake block 930, the brake block 930 is hinged to the bracket 910 at the middle part thereof for rotation and has one end connected to the brake cable 400 and the other end capable of embracing the wheel 200 for braking, the bracket 910 has one end fixed to the frame 100 and the other end suspended, the brake cable 400 movably passes through the bracket 910 and then is connected to the brake block 930 to pull the brake block 930 for braking; the return spring 920 is sleeved on the brake cable 400, and one end of the return spring abuts against the bracket 910, and the other end abuts against the connecting position of the brake block 930 and the brake cable 400. Through the above specific structure of the brake assembly 900, the brake pad 930 is pulled by the brake cable 400 to hold the wheel 200.

As shown in fig. 1 to 5, preferably, the frame 100 includes two main frame rods 120 having the same structure and size, the two main frame rods 120 are arranged side by side, and the number of the wheels 200 is four, and two of the wheels are respectively arranged at the bottom of the main frame rods 120. Preferably, two folding support rods 600 are disposed between the two main frame rods 120, the middle portions of the two folding support rods 600 are hinged, the upper ends are hinged to the upper portions of the two folding support rods 600, and the lower ends are hinged to the lower portions of the two folding support rods 600. Preferably, a flexible seat 700 is further included, the flexible seat 700 is located above the folding support bar 600, and both ends of the flexible seat 700 are respectively connected to one folding support bar 600. Preferably, a handle bracket 800 is further included, the brake handle 300 is disposed on the handle bracket 800, and the brake cable 400 is connected to the brake handle 300 after passing through the hub 500 and passing through the handle bracket 800. Preferably, the handle bracket 800 has a plate shape, and a groove 810 is formed by bending the plate body, a wire passing hole is provided at the bottom of the groove 810, the brake cable 400 passes through the wire passing hole and into the groove 810, and the brake handle 300 is disposed in the groove 810. Preferably, the number of the line passing holes is two, and the brake line 400 is inserted into the groove 810 from one of the line passing holes and then is inserted out from the other line passing hole. Preferably, the brake lever 300 has a shaft 310 formed at an end thereof, and the brake cable 400 is inserted into the groove 810, passes around the shaft 310, and then passes through another cable passing hole. Preferably, the end of the brake handle 300 is formed with a support protrusion 320. Preferably, two sliding grooves 820 having a bar shape and being opposite to each other are formed on the inner wall of the groove 810, the upper edges of the sliding grooves 820 are formed to be inclined toward the handle 110, a support shaft 330 is formed at the center of the shaft 310 in a protruding manner, and the two support shafts 330 are inserted into the sliding grooves 820 to form a shell sliding and supporting structure.

As shown in fig. 1-5, in an implementation, the brake cable 400 may be connected to the two wheels 200 located forward or the two wheels 200 located rearward, depending on the design of the front or rear brakes. During specific use, since the slide groove 820 is inclined, the brake cable 400 is pulled by the support shaft 330 sliding along the slide groove 820 when the brake handle 300 is pulled upward. Thus, the braking operation is realized. Since the brake lever 300 is provided with the support protrusions 320, the brake lever 300 is broken again to have a fulcrum effect.

As shown in fig. 5 to 7, two brake cables 400 are bundled by a hub 500 and then integrally connected to a brake handle 300. The two brake cables 400 are formed into one strand by the twist, and then the hub 500 is sleeved thereon, so that the assembly is facilitated. In specific implementation, the brake cable 400 is limited by arranging a small ball at the tail end after penetrating into the groove 810 and then penetrating out of a wire through hole. The ball may be connected to the brake cable 400 by a threaded structure, and the use of the ball has the further advantage that the position of the brake cable 400 can be adjusted by its rotational convenience.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a help capable car with unilateral braking system which characterized in that: the bicycle brake device is characterized by comprising a bicycle frame (100), wheels (200) are arranged at the bottom of the bicycle frame (100), a pair of handles (110) is arranged on the upper portion of the bicycle frame (100), one handle (110) is provided with a brake handle (300), at least two brake cables (400) are arranged on the brake handle (300), one ends of all the brake cables (400) penetrate through a hub (500) and then are respectively and independently connected to the brake handle (300) so as to be driven by the brake handle (300) at the same time, and the other ends of the brake cables are respectively connected to the wheels (200) which are designed to be capable of braking.

2. A rollator with a single sided brake system according to claim 1, wherein: the number of the brake cables (400) is two, correspondingly, a Y-shaped sub-shaped routing pipeline is formed in the concentrator (500), two of the Y-shaped routing pipelines are formed as wire inlet ends, the other one is a wire outlet end, and the two brake cables (400) respectively enter from the wire inlet ends and are led out from the wire outlet ends.

3. A rollator with a single sided brake system according to claim 1, wherein: the brake cable (400) is connected to the wheel (200) through a brake assembly (900); the brake assembly (900) comprises a bracket (910), a return spring (920) and a brake pad (930), the brake pad (930) is hinged to the bracket (910) at the middle part for realizing rotation, one end of the brake pad is connected to the brake cable (400), the other end of the brake pad can hold the wheel (200) for realizing braking, one end of the bracket (910) is fixed on the frame (100), the other end of the bracket is suspended, and the brake cable (400) movably penetrates through the bracket (910) and then is connected to the brake pad (930) for pulling the brake pad (930) for realizing braking; the reset spring (920) is sleeved on the brake cable (400), one end of the reset spring props against the support (910), and the other end of the reset spring props against the connecting position of the brake pad (930) and the brake cable (400).

4. A rollator with a single sided brake system according to claim 1, wherein: the brake cable is characterized by further comprising a handle support (800), the brake handle (300) is arranged on the handle support (800), and the brake cable (400) passes through the hub (500) and penetrates through the handle support (800) to be connected to the brake handle (300).

5. A rollator with a single sided brake system according to claim 4, wherein: the handle support (800) is plate-shaped, and forms a groove (810) through the bending of plate body, the bottom in groove (810) is provided with the line hole, brake line (400) pass through the line hole penetrate into in groove (810), brake handle (300) sets up in groove (810).

6. A rollator with a single sided brake system according to claim 5, wherein: the number of the wire through holes is two, and the brake cable (400) penetrates into the groove (810) from one of the wire through holes and then penetrates out of the other wire through hole.

7. A rollator with a single sided brake system according to claim 6, wherein: the end of the brake handle (300) is provided with a shaft (310), and the brake cable (400) enters the groove (810), then bypasses the shaft (310) and then passes through the other wire passing hole.

8. A rollator with one-sided brake system according to claim 7, wherein: two strip-shaped sliding grooves (820) which are opposite in position are formed in the inner wall of the groove (810), the upper edges of the sliding grooves (820) are inclined towards the handle (110), a supporting shaft (330) is formed in the center of the shaft (310) in a protruding mode, and the two supporting shafts (330) extend into the sliding grooves (820) to form a shell sliding and supporting structure.

9. A rollator with a single sided brake system according to claim 8 wherein: the end of the brake handle (300) is formed with a support protrusion (320).

10. A rollator with a single sided brake system according to claim 1, wherein: the frame (100) comprises two main frame rods (120) with the same structure and size, the two main frame rods (120) are arranged side by side, the number of the wheels (200) is four, and every two wheels are respectively arranged at the bottoms of the main frame rods (120); two folding support rods (600) are arranged between the two main frame rods (120), the middle parts of the two folding support rods (600) are hinged, the upper ends of the two folding support rods (600) are hinged to the upper parts of the two folding support rods (600), and the lower ends of the two folding support rods (600) are hinged to the lower parts of the two folding support rods (600); the folding seat is characterized by further comprising a flexible seat surface (700), wherein the flexible seat surface (700) is positioned above the folding supporting rods (600), and two ends of the flexible seat surface are respectively connected to one folding supporting rod (600).