CN219878605U - Built-in brake mechanism and auxiliary walking vehicle - Google Patents
Built-in brake mechanism and auxiliary walking vehicle Download PDFInfo
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- CN219878605U CN219878605U CN202321319122.8U CN202321319122U CN219878605U CN 219878605 U CN219878605 U CN 219878605U CN 202321319122 U CN202321319122 U CN 202321319122U CN 219878605 U CN219878605 U CN 219878605U
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides a built-in brake mechanism and an auxiliary walking vehicle, wherein the built-in brake mechanism comprises: the device comprises a fixed sleeve, a sliding piece, a reset elastic piece, an upper brake cable, a brake rod and a lower brake cable; the brake device is characterized in that a movable cavity is arranged in the fixed sleeve, the sliding piece is arranged in the movable cavity in a sliding mode, a first assembly hole and a second assembly hole are formed in the sliding piece, when the brake is performed, the upper brake cable moves and drives the sliding piece to rotate in the movable cavity relative to the brake rod, so that the second assembly hole is located on the inner walls of the two opposite sides of the brake rod and clamped on the brake rod, and then the upper brake cable drives the brake rod to move through the sliding piece. Compared with the prior art, the built-in brake mechanism can be conveniently hidden in the detachable auxiliary walking vehicle, so that the whole appearance of the auxiliary walking vehicle is tidy and attractive, a brake cable is not easy to damage, the assembly is simple, a user can conveniently assemble the auxiliary walking vehicle by himself, and the user experience is improved.
Description
Technical Field
The utility model relates to the technical field of medical rehabilitation apparatuses, in particular to a built-in brake mechanism and an auxiliary walking vehicle.
Background
The auxiliary walking vehicle is a medical rehabilitation instrument for assisting walking of old people, weak people or people with inconvenient actions (hereinafter referred to as special people), the similar auxiliary walking vehicle in the current market can be folded to each other generally, the left vehicle frame and the right vehicle frame comprise a main vehicle frame, a front wheel frame and a hand support, the main vehicle frame, the front wheel frame and the hand support can be detached from each other, so that the requirement of reducing the packaging volume is met, a braking structure and rear wheels are arranged on the main vehicle frame, the braking structure is used for braking the rear wheels, front wheels are arranged on the front wheel frame, a handrail and a braking handle are arranged on the hand support, the braking handle is required to be connected to the braking structure through a braking wire, the hand support and the main vehicle frame are mutually separated in the transportation process, so that the braking wire is required to be installed by a user, in order to enable the user to assemble the braking wire by oneself, usually, most of the braking wire is exposed, potential safety hazards exist, and the braking wire is easy to damage.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art and provides a built-in brake mechanism and an auxiliary walking vehicle.
One embodiment of the present utility model provides a built-in brake mechanism comprising: the device comprises a fixed sleeve, a sliding piece, a reset elastic piece, an upper brake cable, a brake rod and a lower brake cable;
the fixed sleeve is internally provided with a movable cavity, the sliding sheet is slidably arranged in the movable cavity, the sliding sheet is provided with a first assembly hole and a second assembly hole, the reset elastic piece is arranged in the movable cavity and is connected with the sliding sheet, the upper brake wire is connected to a brake handle of the walking-assisting four-wheel vehicle, the brake wire extends into the movable cavity and is connected with the first assembly hole, the brake rod extends into the movable cavity and is movably arranged in the second assembly hole in a penetrating manner, and the brake rod is connected to a brake structure of the walking-assisting four-wheel vehicle through the lower brake wire;
when the brake is applied, the upper brake cable moves and drives the sliding plate to rotate in the movable cavity relative to the brake rod, so that the inner walls of the second assembly holes on two opposite sides of the brake rod are clamped on the brake rod, and then the upper brake cable drives the brake rod to move through the sliding plate.
In some optional embodiments, an avoidance groove is formed in the movable cavity, the avoidance groove is located on one side, close to the first assembly hole, of the sliding plate, and after the upper brake cable drives the brake rod to move through the sliding plate, the sliding plate part extends into the avoidance groove.
In some optional embodiments, the assembly end of the upper brake cable is connected to a brake handle of the walking-assisting four-wheel vehicle, and a locking sleeve is further arranged on the upper brake cable and is abutted to one side, away from the assembly end of the upper brake cable, of the sliding piece.
In some optional embodiments, the elastic member is a spring, which is sleeved on the outer side of the brake lever, and two ends of the elastic member respectively abut against the sliding piece and the inner wall of the movable cavity.
In some alternative embodiments, a detent is provided in the active cavity, and the resilient member is partially disposed in the detent.
In some alternative embodiments, the built-in brake mechanism further comprises: a guide seat;
the guide seat is assembled on the walking-assisting four-wheel vehicle, a guide groove is formed in the guide seat, and the brake rod is slidably arranged in the guide groove.
In some optional embodiments, a movable seat is slidably disposed in the guide groove, a mounting groove is disposed in the movable seat, the brake lever extends into the mounting groove and is rotationally connected with the mounting groove, and the lower brake cable extends into the mounting groove and is connected with the brake lever through the movable seat.
In some optional embodiments, the fixed sleeve is provided with two guide holes located at two opposite sides of the movable cavity, and the brake lever sequentially passes through one of the guide holes, the movable cavity, the second assembly hole, the movable cavity and the other guide hole.
Compared with the prior art, the built-in brake mechanism can be conveniently hidden into the detachable auxiliary walking vehicle, so that the whole appearance of the auxiliary walking vehicle is tidy and attractive, a brake cable is not easy to damage, the assembly is simple, a user can conveniently assemble the auxiliary walking vehicle by himself, and the user experience is improved.
Another embodiment of the present utility model provides a walk-assisting vehicle including: the first frame, second frame and as above described built-in brake mechanism, first frame with the connection can be dismantled to the second frame, be provided with brake handle on the first frame, be provided with brake structure and a plurality of wheel on the second frame, brake structure is used for stopping tightly the wheel, fixed cover sets up on the first frame, go up the brake cable accept in the first frame, and with brake handle connects, down the brake cable at least partly accept in the second frame, and with brake structure connects.
In order that the utility model may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a built-in brake mechanism according to one embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a partial structure of a built-in brake mechanism according to one embodiment of the present utility model;
FIG. 3 is a cross-sectional view showing a partial structure of a built-in brake mechanism in accordance with one embodiment of the present utility model during braking;
FIG. 4 is a cross-sectional view of a brake lever, lower brake cable and guide housing in accordance with one embodiment of the present utility model;
fig. 5 is a schematic structural view of a part of the structure of the walker according to an embodiment of the present utility model.
Reference numerals illustrate:
10. a fixed sleeve; 11. a movable cavity; 12. an avoidance groove; 13. a positioning groove; 14; a guide hole; 20. a slide sheet; 21. a first fitting hole; 22. a second fitting hole; 30. a return elastic member; 40. an upper brake cable; 41. a locking sleeve; 50. a brake lever; 60. a lower brake cable; 70. a guide seat; 71. a guide groove; 72. a movable seat; 73. a mounting groove; 80. a first frame; 81. a brake handle; 82. and a brake structure.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is 2 or more, and the meaning of "several" is 1 or more. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated unless otherwise indicated.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a built-in brake mechanism according to an embodiment of the present utility model, and fig. 2 is a sectional view of a partial structure of a built-in brake mechanism according to an embodiment of the present utility model, the built-in brake mechanism comprising: the brake device comprises a fixed sleeve 10, a sliding piece 20, a reset elastic piece 30, an upper brake cable 40, a brake lever 50 and a lower brake cable 60.
Referring to fig. 3, which is a sectional view of a partial structure of a built-in brake mechanism in an embodiment of the present utility model when braking, a movable chamber 11 is provided in a fixed housing 10, a sliding plate 20 is slidably provided in the movable chamber 11, a first assembly hole 21 and a second assembly hole 22 are provided on the sliding plate 20, a return elastic member 30 is provided in the movable chamber 11 and connected to the sliding plate 20, an upper brake cable 40 is connected to a brake handle 81 of an assisted-walking four-wheel vehicle, which extends into the movable chamber 11 and is connected to the first assembly hole 21, a brake lever 50 extends into the movable chamber 11 and is movably provided in the second assembly hole 22, and the brake lever 50 is connected to a brake structure 82 of the assisted-walking four-wheel vehicle through a lower brake cable 60. When the brake is applied, a user pulls the brake handle 81 to enable the upper brake cable 40 to move, when the upper brake cable 40 moves, the slide plate 20 is driven to rotate relative to the brake lever 50 in the movable cavity 11, the slide plate 20 is enabled to incline relative to the brake lever 50, the slide plate 20 rotates until the inner walls of the second assembly holes 22 on two opposite sides of the brake lever 50 are clamped on the brake lever 50, the slide plate 20 clamps the brake lever 50, so that the brake lever 50 cannot slide along the second assembly holes 22, then the upper brake cable 40 continues to move, the brake lever 50 is driven to move together through the slide plate 20, the brake lever 50 moves and the lower brake cable 60 is driven to move, and the lower brake cable 60 drives the brake structure 82 to complete a braking action. After the braking action is completed, the user releases the brake handle 81, and the elastic resetting piece resets the sliding plate 20, so that the brake lever 50 and the upper brake cable 40 are driven to be reset.
Because the whole auxiliary walking vehicle needs to be split into a plurality of frames, the fixing sleeve 10 and the upper brake cable 40 can be arranged on the frame assembled with the brake handle 81 in advance, the upper brake cable 40 is accommodated in the frame, the lower brake cable 60 and the brake lever 50 can be arranged on the frame assembled with the brake structure 82, the lower brake cable 60 can also be at least partially accommodated in the frame, and when the frame assembled with the brake handle 81 and the frame assembled with the brake structure 82, only the brake lever 50 is required to be inserted into the second assembly hole 22 of the sliding plate 20 of the fixing sleeve 10, so that the installation mode of the brake structure 82 is simplified, the upper brake cable 40 and the lower brake cable 60 are beneficial to being pre-concealed in the frame, the aesthetic degree of the vehicle body is improved, and the auxiliary walking vehicle is convenient for users to assemble and disassemble.
Because the sliding plate 20 is inclined relative to the sliding plate 20 in the moving direction of the movable cavity 11 when the sliding plate 20 drives the brake lever 50 to move, the side, close to the first assembly hole 21, of the sliding plate 20 is located in front of the side, close to the second assembly hole 22, of the sliding plate 20, in order to avoid the structure of the sliding plate 20, in some alternative embodiments, an avoidance groove 12 is formed in the movable cavity 11, the avoidance groove 12 is located on the side, close to the first assembly hole 21, of the sliding plate 20, and after the upper brake cable 40 drives the brake lever 50 to move through the sliding plate 20, the side, close to the first assembly hole 21, of the sliding plate 20 stretches into the avoidance groove 12.
To facilitate assembly of the upper brake cable 40 with the slider 20, in some alternative embodiments, the assembly end of the upper brake cable 40 is connected to a brake handle 81 of the assisted-walking four-wheel vehicle, a locking sleeve 41 is further provided on the upper brake cable 40, the locking sleeve 41 abuts against one side of the slider 20 away from the assembly end of the upper brake cable 40, and the upper brake cable 40 moves to drive the slider 20 to move through the locking sleeve 41 when moving. The locking sleeve 41 can be adjusted in position along the upper brake cable 40 to adjust the tightness of the brake handle.
The structure of the elastic member may be appropriately designed according to actual needs, and in some alternative embodiments, the elastic member is a spring, which is sleeved on the outer side of the brake lever 50, and two ends of the elastic member respectively abut against the sliding plate 20 and the inner wall of the movable cavity 11, which is not limited in this example.
To facilitate maintaining the position of the resilient member, in some alternative embodiments, a detent 13 is provided in the movable cavity 11, and a resilient member is partially disposed in the detent 13 to facilitate extending the brake lever 50 into the spring when the brake lever 50 is installed in the movable cavity 11, avoiding spring biased positions.
Referring to fig. 4, which is a sectional view of a brake lever, a lower brake cable, and a guide holder according to an embodiment of the present utility model, for convenience in assembling the brake lever 50 and for making movement of the brake lever 50 more stable, in some alternative embodiments, the built-in brake mechanism further includes a guide holder 70, the guide holder 70 is assembled on a frame of the assisted-walking four-wheel vehicle equipped with a brake structure 82, a guide groove 71 is provided on the guide holder 70, and the brake lever 50 is slidably disposed in the guide groove 71.
In some alternative embodiments, the movable seat 72 is slidably disposed in the guide groove 71, the mounting groove 73 is disposed in the movable seat 72, the brake lever 50 extends into the mounting groove 73 and is rotatably connected with the mounting groove 73, the lower brake cable 60 extends into the mounting groove 73 and is connected with the brake lever 50 through the movable seat 72, thereby facilitating production and assembly and improving connection stability of the brake lever 50 and the lower brake cable 60.
In some alternative embodiments, the fixed housing 10 is provided with two guide holes 14 located at opposite sides of the movable cavity 11, and the brake lever 50 sequentially passes through one of the guide holes 14, the movable cavity 11, the second assembly hole 22, the movable cavity 11 and the other guide hole 14, thereby facilitating the improvement of the stability of the movement of the brake lever 50. In the present embodiment, another guide hole 14 is provided in the positioning groove 13.
Referring to fig. 5, a schematic structural diagram of a portion of a walking assist vehicle according to an embodiment of the utility model, the built-in brake mechanism may be applied to the walking assist vehicle, and the walking assist vehicle includes: the first frame 80, the second frame and as above hiding brake mechanism, first frame 80 and second frame can dismantle the connection, are provided with brake handle 81 on the first frame 80, are provided with brake structure 82 and a plurality of wheels on the second frame, and brake structure 82 is used for stopping tight wheel, and fixed cover 10 sets up on first frame 80, and upper brake cable 40 holds in first frame 80 to be connected with brake handle 81, and lower brake cable 60 holds in the second frame at least partially, and is connected with brake structure 82. The brake structure 82 may be a brake structure 82 such as a brake shoe, for example.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A built-in brake mechanism, comprising: the device comprises a fixed sleeve, a sliding piece, a reset elastic piece, an upper brake cable, a brake rod and a lower brake cable;
the fixed sleeve is internally provided with a movable cavity, the sliding sheet is slidably arranged in the movable cavity, the sliding sheet is provided with a first assembly hole and a second assembly hole, the reset elastic piece is arranged in the movable cavity and is connected with the sliding sheet, the upper brake wire is connected to a brake handle of the walking-assisting four-wheel vehicle, the brake wire extends into the movable cavity and is connected with the first assembly hole, the brake rod extends into the movable cavity and is movably arranged in the second assembly hole in a penetrating manner, and the brake rod is connected to a brake structure of the walking-assisting four-wheel vehicle through the lower brake wire;
when the brake is applied, the upper brake cable moves and drives the sliding plate to rotate in the movable cavity relative to the brake rod, so that the inner walls of the second assembly holes on two opposite sides of the brake rod are clamped on the brake rod, and then the upper brake cable drives the brake rod to move through the sliding plate.
2. A built-in brake mechanism according to claim 1, wherein: the movable cavity is internally provided with an avoidance groove, the avoidance groove is positioned on one side, close to the first assembly hole, of the sliding plate, the upper brake cable drives the brake rod to move through the sliding plate, and the sliding plate part extends into the avoidance groove.
3. A built-in brake mechanism according to claim 1, wherein: the assembly end of the upper brake cable is connected to a brake handle of the auxiliary walking four-wheel vehicle, and a locking sleeve is further arranged on the upper brake cable and is abutted to one side, away from the assembly end of the upper brake cable, of the sliding piece.
4. A built-in brake mechanism according to claim 1, wherein: the elastic piece is a spring, the spring is sleeved on the outer side of the brake rod, and two ends of the spring are respectively abutted to the sliding piece and the inner wall of the movable cavity.
5. The concealed brake mechanism as claimed in claim 4, wherein: the movable cavity is internally provided with a positioning groove, and the elastic piece part is arranged in the positioning groove.
6. A built-in brake mechanism according to any one of claims 1 to 5, further comprising: a guide seat;
the guide seat is assembled on the walking-assisting four-wheel vehicle, a guide groove is formed in the guide seat, and the brake rod is slidably arranged in the guide groove.
7. The concealed brake mechanism as claimed in claim 6, wherein: the inner slide of the guide groove is provided with a movable seat, an installation groove is arranged in the movable seat, the brake rod stretches into the installation groove and is rotationally connected with the installation groove, and the lower brake cable stretches into the installation groove and is connected with the brake rod through the movable seat.
8. A built-in brake mechanism according to any one of claims 1 to 5, wherein: the fixed sleeve is provided with two guide holes positioned on two opposite sides of the movable cavity, and the brake rod sequentially penetrates through one of the guide holes, the movable cavity, the second assembly hole, the movable cavity and the other guide hole.
9. An assisted walking vehicle, comprising: the built-in brake mechanism of any one of claims 1 to 8, wherein the first frame and the second frame are detachably connected, a brake handle is arranged on the first frame, a brake structure and a plurality of wheels are arranged on the second frame, the brake structure is used for braking the wheels, the fixed sleeve is arranged on the first frame, the upper brake cable is contained in the first frame and is connected with the brake handle, and the lower brake cable is at least partially contained in the second frame and is connected with the brake structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319122.8U CN219878605U (en) | 2023-05-29 | 2023-05-29 | Built-in brake mechanism and auxiliary walking vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319122.8U CN219878605U (en) | 2023-05-29 | 2023-05-29 | Built-in brake mechanism and auxiliary walking vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219878605U true CN219878605U (en) | 2023-10-24 |
Family
ID=88403732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321319122.8U Active CN219878605U (en) | 2023-05-29 | 2023-05-29 | Built-in brake mechanism and auxiliary walking vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219878605U (en) |
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2023
- 2023-05-29 CN CN202321319122.8U patent/CN219878605U/en active Active
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