CN210126601U

CN210126601U - Hidden brake device for walking aid vehicle

Info

Publication number: CN210126601U
Application number: CN201921099489.7U
Authority: CN
Inventors: 黄振彰
Original assignee: ZHONGSHAN RONGJIE MEDICAL INSTRUMENT INDUSTRIAL Co Ltd
Current assignee: ZHONGSHAN RONGJIE MEDICAL INSTRUMENT INDUSTRIAL Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-03-06
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a hidden brake device for a rollator, which comprises a bracket and a handle, wherein the handle is arranged on the end part of the bracket; the brake cable is characterized in that a brake handle is arranged below the handle, the brake handle is connected with a brake cable, the tail end of the brake cable is fixed to the bottom of the support, a brake block and a sliding wheel are arranged at the bottom of the support, the brake block is connected with the brake cable, a brake ring braked by the brake block is arranged on the sliding wheel, the sliding wheel comprises a hub and a tire, and the brake ring is arranged on the inner wall of the hub and integrally formed with the hub. The utility model discloses a hidden helps capable car brake equipment simple structure, control is convenient, and degree of wear is low, can effectively avoid the difficult or the malfunctioning condition of brake, and the brake block hides at the movable pulley back, has not only beautifully but also safe characteristics, has solved effectively and has helped capable car brake equipment because long-time use wearing and tearing lead to the brake effect variation or even the malfunctioning problem of brake.

Description

Hidden brake device for walking aid vehicle

Technical Field

The utility model relates to a help driving braking technical field, refer in particular to a hidden help driving brake equipment.

Background

At present, China has already stepped into an aging society, and the old people are weak and inconvenient to legs and feet, so that the life and the traveling of the old people are inconvenient. Moreover, most children and children of the old often do not have much time to accompany and take care of the old due to busy work; even if some fitness facilities exist around the living of the elderly, there are no rehabilitation facilities and walking aid devices suitable for the elderly, and the elderly cannot perform necessary exercises using the fitness facilities. If the old people do not exercise for a long time, the old people can cause muscle atrophy and gradually lose the mobility, so that the health condition of the old people is gradually worsened. This creates a greater social aging problem.

Therefore, enterprises develop a rehabilitation walking aid device which is widely applied to hospitals and families with old people who are inconvenient to move and is an important tool for walking and rehabilitation training. The rehabilitation walking aid device enables the old and the patients with inconvenient legs and feet to walk and perform rehabilitation training through the support of the device. And have the slip function, can save user's physical power, advantages such as simple structure.

However, the brake system of the prior walking aid device adopts the brake pad to directly contact with the tire of the walking aid device to realize brake braking. Although the braking mode can brake the walking aid equipment for a long time, when the walking aid equipment is used for a long time, the friction force generated by the contact between the tires and the ground can wear the tires, the braking stroke between the brake pad and the tires is increased, the braking effect is reduced, and even the braking is failed, so that a great safety risk exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hidden brake equipment that helps capable car for solve and help capable car brake equipment because long-time use wearing and tearing lead to the brake effect variation problem that the brake is malfunctioning even.

In order to achieve the above object, the present invention provides a hidden brake device for a rollator, which has the following specific embodiments:

a hidden brake device for a rollator comprises a bracket and a handle, wherein the handle is arranged on the end part of the bracket; the brake cable is characterized in that a brake handle is arranged below the handle, the brake handle is connected with a brake cable, the tail end of the brake cable is fixed to the bottom of the support, a brake block and a sliding wheel are arranged at the bottom of the support, the brake block is connected with the brake cable, a brake ring braked by the brake block is arranged on the sliding wheel, the sliding wheel comprises a hub and a tire, and the brake ring is arranged on the inner wall of the hub and integrally formed with the hub.

As a further improvement of the utility model, both sides of the end part of the brake block are provided with protrusions extending downwards. The bulges extending downwards are arranged on the two sides of the end part of the brake pad, so that the contact area between the brake pad and the brake ring can be increased, the friction force between the brake pad and the brake ring is reduced, and the service life of the equipment is prolonged.

As a further improvement, the inside holding chamber that is equipped with of support, the holding intracavity is equipped with the fixed block, the fixed block with the brake cable is connected, the brake block is fixed on the fixed block. The fixing block is arranged in the accommodating cavity inside the support, the brake pad is fixed on the fixing block, the brake pad can be effectively fixed on the inner side of the sliding wheel, and the sliding wheel blocks the brake pad, so that the attractiveness of the brake device is improved.

Furthermore, a first mounting groove and a second mounting groove are formed in the bottom of the support, and the brake cable penetrates through the first mounting groove and is connected with the fixing block; correspond second mounting groove position department on the fixed block and be equipped with the screw hole, the brake block passes the second mounting groove with the fixed block is inconsistent, be equipped with the mounting hole on the brake block, still include set screw, set screw passes mounting hole and screw hole set up. The brake pad is fixed on the fixing block by screwing the fixing screw and the threaded hole, the connecting structure is simple and stable, and the production cost and the installation difficulty of the device are reduced.

Further, brake cable end-to-end connection has the structure that resets, the structure that resets is fixed on the support, the structure that resets includes adjust knob, spring, connecting block and retaining member, the brake cable passes in proper order and includes adjust knob, spring, connecting block and retaining member setting. The tail end of the brake cable is connected with a reset structure, and through the elastic action of a spring on the reset structure, after a user loosens the brake handle, the spring automatically resets to drive the brake cable to reset, and the brake cable drives the brake pad connected with the brake cable to reset, so that the reset function of separating the brake pad from the brake ring after braking is realized.

Furthermore, a connecting rod is arranged at the end part of the connecting block, a connecting hole is formed in the position, corresponding to the connecting rod, of the fixing block, and the connecting rod is inserted into the connecting hole. The fixing block is connected with the connecting block through the connecting rod and the connection and insertion mode, so that the brake cable can drive the fixing block to move, and the function that the brake cable drives the brake block to move to brake is realized.

Furthermore, the locking piece is provided with a locking hole, and a locking screw is screwed in the locking hole. And locking screws are screwed in the locking holes and extrude the brake cable, and the tail ends of the brake cable are fixed on the reset structure, so that the brake cable can drive the reset structure to operate.

As a further improvement of the utility model, be equipped with the perforation on the support, the brake cable passes perforation and holding chamber respectively with brake lever and brake block are connected. The brake cable can be partially hidden in the containing cavity, so that the situation that the brake cable is broken by hooking due to the fact that the brake cable is touched with other objects when the brake cable is exposed outside the support is avoided, and the mounting difficulty of the brake cable is reduced.

As a further improvement, the brake ring is an elastic plastic part.

The utility model discloses a hidden braking device that helps driving has following advantage for prior art:

1. the sliding wheel is provided with a brake ring, and a brake cable is pulled through a brake handle, so that a brake pad is pulled to be abutted against the brake ring, and the brake of the sliding wheel is realized; because the brake ring sets up on the wheel hub inner wall of movable pulley, compare in the tire and lead to the fact a large amount of wearing and tearing with the long-time contact of opposite, the brake ring only contacts with the brake block to adopt elasticity plastic part, the wearability is high, has avoided brake equipment to use for a long time effectively and has leaded to the brake effect variation even the condition that the brake is malfunctioning to take place.

2. The bulges extending downwards are arranged on the two sides of the end part of the brake pad, so that the contact area between the brake pad and the brake ring is increased, the friction force between the brake pad and the brake ring is reduced, and the service life of the brake device is prolonged.

3. The accommodating cavity is formed in the support, and most of the brake cable is hidden in the accommodating cavity, so that the situation that the brake cable is exposed outside the support, the brake cable is touched with other objects, and the brake cable is hooked off is avoided; the fixing block is arranged in the accommodating cavity, the brake pad is fixed on the fixing block, the brake pad can be effectively fixed on the inner side of the sliding wheel, and the sliding wheel blocks the brake pad, so that the attractiveness of the brake device is improved.

Drawings

FIG. 1 is a schematic structural view of a hidden brake device for a rollator of the present invention;

FIG. 2 is an exploded view of the hidden rollator brake device of the present invention 1;

FIG. 3 is an exploded view of the hidden rollator brake device of the present invention 2;

fig. 4 is a partially enlarged view of a portion a of fig. 3.

Detailed Description

The utility model discloses a hidden brake gear that helps driving of help of combination drawing description.

As shown in fig. 1 to 4, the hidden type brake device for the rollator comprises a support 1 and a handle 2, a brake handle 3 is arranged below the handle 2, the brake handle 3 is connected with a brake cable 4, the tail end of the brake cable 4 is fixed at the bottom of the support 1, the bottom of the support 1 is connected with a sliding wheel 6, the tail end of the brake cable 4 is fixed with a reset structure 7, the brake cable 4 is further connected with a brake pad 5, and a brake ring 61 is arranged on the sliding wheel 6.

Specifically, the sliding wheel 6 comprises a wheel hub 62 and a tire 63, and the brake ring 61 is arranged on the inner wall of the wheel hub 62 and cooperates with the brake pad 5 for braking.

Furthermore, two sides of the end of the brake block 5 are provided with protrusions (not shown) extending downwards, and the protrusions are matched with the brake ring 61 for braking. The two sides of the end part of the brake pad 5 are provided with the protrusions extending downwards, so that the contact area between the brake pad 5 and the brake ring 61 can be increased, the friction force between the brake pad 5 and the brake ring 61 is reduced, and the service life of the equipment is prolonged.

Further, the brake ring 5 and the hub 62 are integrally formed, and the brake ring 5 is an elastic plastic ring. The brake ring 5 in this embodiment is made of Thermoplastic Polyurethane (TPU).

The brake device comprises a support 1 and is characterized in that an accommodating cavity (not shown) is formed in the support 1, a fixing block 51 is arranged in the accommodating cavity, and the fixing block 51 is connected with a brake cable 4 and a brake pad 5 respectively.

Further, be equipped with the intercommunication on the support 1 first mounting groove 12 and the second mounting groove 13 in holding chamber, fixed block 51 corresponds first mounting groove 12 sets up, reset structure 7 passes second mounting groove 13 with the fixed block 51 is connected.

The fixing block 51 is provided with a threaded hole 512, the brake pad 5 is provided with a mounting hole 52, the fixing block further comprises a fixing screw 53, and the fixing screw 53 penetrates through the mounting hole 52 and is screwed with the threaded hole 511 to be connected, so that the brake pad 5 is fixed on the fixing block 51.

Further, the reset structure 7 comprises an adjusting knob 71, a spring 72, a connecting block 73 and a locking member 74, and the brake cable 4 sequentially passes through the adjusting knob 71, the spring 72, the connecting block 73 and the locking member 74. The tail end of the brake cable 4 is connected with the reset structure 7, and through the elastic action of the spring 72 on the reset structure 7, after a user loosens the brake handle 3, the spring 72 automatically resets to drive the brake cable 4 to reset, and the brake cable 4 drives the brake block 5 connected with the brake cable 4 to reset, so that the reset function of separating the brake block 5 from the brake ring 61 after braking is realized.

The connecting block 73 is provided with a connecting rod 731, the fixing block 51 is provided with a connecting hole 511, the connecting rod 731 passes through the second mounting groove 13 and is inserted into the connecting hole 511, the connecting block 73 is connected with the fixing block 51, and therefore the reset structure 7 is connected with the fixing block 51 to drive the brake pad 5 fixed on the fixing block 51 to move, and brake of the sliding wheel 6 is achieved.

Further, the reset structure 7 is further provided with a support connecting block 76, the end of the support connecting block 76 is provided with an arc-shaped groove matched with the support 1, and the reset structure 7 is fixed on the bottom of the support 1 through the arc-shaped groove clamped on the support 1.

Specifically, the brake cable resetting structure further comprises a locking screw 75, wherein a locking hole (not shown) is formed in the locking member 74, the locking screw 75 is screwed with the locking hole to be connected, the brake cable 4 is extruded, and the tail end of the brake cable 4 is fixed on the resetting structure 7.

The brake cable 4 penetrates through the through hole 11 and the containing cavity to be connected with the brake handle 3 and the brake pad 5 respectively. The brake block 5 is driven by the brake handle 3 to brake.

Specifically, the brake cable 4 is partially hidden in the accommodating cavity, so that the brake cable 4 is prevented from being exposed out of the bracket 1, the brake cable 4 is prevented from touching other objects, and the brake cable 4 is prevented from being hooked off.

The bottom of the support 1 is further provided with a sealing cover 8 for sealing the accommodating cavity, the sealing cover 8 is provided with a first through hole 81, a second through hole 14 penetrating through two sides of the support 1 is arranged at a position corresponding to the first through hole 81 on the support 1, the screw rod 9 and the nut 10 are further included, the screw rod 9 penetrates through the second through hole 14 and the first through hole 81 and is in threaded connection with the nut 10, the sealing cover 8 is fixed at the bottom of the support 1, and the accommodating cavity is sealed and sealed.

Specifically, the nut 10 is disposed in the nut mounting groove 621 of the hub 62.

The utility model discloses a hidden theory of operation that helps driving brake equipment:

the user drives the brake cable 4 to move upwards by holding the handle 2 and tensioning the brake lever 3, so that the brake block 5 is driven to move to be in contact with the brake ring 61, and the brake of the sliding wheel 6 is realized.

After the user loosens the brake handle 3, the brake cable 4 is displaced and reset downwards under the elastic force of the spring 72 of the reset structure 7, so as to drive the brake block 5 to be separated from the brake ring 61, and the brake of the sliding wheel 6 is cancelled.

The utility model discloses a hidden brake device that helps driving, through setting up brake ring 61 on movable pulley 6, through brake lever 3 pulling brake cable 4, thus pulling brake block 5 and brake ring 61 to contradict, realize the brake braking of movable pulley 6; because the brake ring 61 is arranged on the inner wall of the hub 62 of the sliding wheel 6, compared with the situation that the tire is in contact with the opposite surface for a long time to cause a large amount of abrasion, the brake ring 61 is only in contact with the brake pad 5 and is made of elastic plastic TPU (thermoplastic polyurethane), so that the abrasion resistance is high, and the situation that the brake effect is poor and even the brake fails due to long-time use of the brake device is effectively avoided; the two sides of the end part of the brake block 5 are provided with the protrusions extending downwards, so that the contact area between the brake block 5 and the brake ring 61 is increased, the friction force between the brake block 5 and the brake ring 61 is reduced, and the service life of the brake device is prolonged; the support 1 is provided with the accommodating cavity, most of the brake cable 4 is hidden in the accommodating cavity, and the situation that the brake cable 4 is exposed outside the support 1, the brake cable 4 touches other objects, and the brake cable 4 is hooked off is avoided; the fixing block 51 is arranged in the accommodating cavity, the brake pad 5 is fixed on the fixing block 51, the brake pad 5 can be effectively fixed on the inner side of the sliding wheel 6, the sliding wheel 6 blocks the brake pad 5, and the attractiveness of the brake device is improved. The utility model has the advantages of simple structure, the simple operation, not only safe but also pleasing to the eye can solve effectively and help capable car brake equipment to lead to the brake effect variation or even the malfunctioning problem of brake owing to long-time use wearing and tearing.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A hidden brake device for a rollator comprises a bracket and a handle, wherein the handle is arranged on the end part of the bracket; the brake is characterized in that a brake handle is arranged below the handle, the brake handle is connected with a brake cable, the tail end of the brake cable is fixed to the bottom of the support, a brake pad and a sliding wheel are arranged at the bottom of the support, the brake pad is connected with the brake cable, a brake ring braked by the brake pad is arranged on the sliding wheel, the sliding wheel comprises a hub and a tire, and the brake ring is arranged on the inner wall of the hub and integrally formed with the hub.

2. The concealed rollator brake assembly of claim 1, wherein the brake pad has downwardly extending protrusions on both sides of the end portion.

3. The hidden rollator brake device according to claim 1, wherein a receiving cavity is formed inside the bracket, a fixing block is arranged inside the receiving cavity, the fixing block is connected with the brake cable, and the brake pad is fixed on the fixing block.

4. The hidden braking device for a rollator as claimed in claim 3, wherein the bottom of the bracket is provided with a first mounting groove and a second mounting groove, and the brake cable passes through the first mounting groove and is connected with the fixing block; correspond second mounting groove position department on the fixed block and be equipped with the screw hole, the brake block passes the second mounting groove with the fixed block is inconsistent, be equipped with the mounting hole on the brake block, still include set screw, set screw passes mounting hole and screw hole set up.

5. The hidden rollator brake device according to claim 4, wherein a reset structure is connected to the end of the brake cable, the reset structure is fixed on the bracket, the reset structure comprises an adjusting knob, a spring, a connecting block and a locking member, and the brake cable sequentially passes through the adjusting knob, the spring, the connecting block and the locking member; the connecting block is connected with the fixing block.

6. The hidden braking device for rollators as claimed in claim 5, wherein a connecting rod is disposed at an end of the connecting block, a connecting hole is disposed at a position of the fixing block corresponding to the connecting rod, and the connecting rod is inserted into the connecting hole.

7. The concealed rollator brake device of claim 5, wherein the locking member defines a locking hole, and a locking screw is screwed into the locking hole.

8. The hidden rollator brake device of claim 1, wherein the bracket is provided with a through hole, and the brake cable passes through the through hole and the accommodating cavity to be connected with the brake handle and the brake pad respectively.

9. The hidden rollator brake device of claim 1, wherein the brake ring is an elastic plastic member.