CN117653521A - Service vehicle braking device with stable braking and service vehicle - Google Patents
Service vehicle braking device with stable braking and service vehicle Download PDFInfo
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- CN117653521A CN117653521A CN202311872188.4A CN202311872188A CN117653521A CN 117653521 A CN117653521 A CN 117653521A CN 202311872188 A CN202311872188 A CN 202311872188A CN 117653521 A CN117653521 A CN 117653521A
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- brake
- handle
- limiting
- handlebar
- driving mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 238000005096 rolling process Methods 0.000 claims abstract description 23
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Abstract
The application provides a brake-stable service brake device and a service vehicle, which comprises a handlebar and a brake handle, wherein the handlebar is hollow in the interior, the brake handle comprises a handle part and a driving mechanism which is far away from the handle part and penetrates through the insertion opening, a limiting mechanism used for limiting the driving mechanism is further arranged in the handlebar and is close to the driving mechanism, the driving mechanism comprises a driving handle which is arranged at the end part of the handle part, which is close to the insertion opening, and is integrally formed with the handle part, a rolling part used for assisting the driving mechanism to move is arranged at one end part of the driving handle, which can roll along the limiting mechanism, and when the handle part moves towards the direction far away from the handlebar, the driving mechanism pushes up a brake wire and is abutted against the limiting mechanism to brake; when the handle portion moves in a direction approaching the handle bar, the driving mechanism pulls the brake cable to brake.
Description
Technical Field
The application relates to the technical field of service brake devices, in particular to a service brake device with stable braking.
Background
Rollator is an aid for persons with mobility difficulties, and is commonly used to provide stable support and balance while walking. The existing service brake device usually adds an extra brake structure on the castor, and needs to be manually stepped on to achieve parking brake, while a few service vehicles can achieve parking brake and snub brake through hand brake, but the assembly is complex, and parts are more, which causes the following problems:
1) The brake operation is inconvenient: the existing service brake device needs a user to realize parking brake by stepping on or pulling a handle and the like, so that the operation is complicated and not convenient enough;
2) The parts are numerous: the assembly of a few hand brake devices of the rollator is complex, such as application number 201710641224.4, and a rollator brake system needs more parts, thereby increasing the manufacturing cost and the maintenance difficulty;
3) Safety and stability: the existing service brake device can have the problems of untimely and infirm braking and other safety and stability in the use process;
4) Braking is not stable enough: in the using process of the conventional service brake device, the driving part is rigidly connected with the limiting structure, so that the brake is unsmooth and unsmooth, and even the clamping stagnation is very easy to occur;
therefore, the existing service brake device has the problems of unsmooth and unsmooth braking, even very easy occurrence of clamping stagnation and the like, and the service brake device with smoother braking, safer braking and more stable is needed.
Disclosure of Invention
The utility model provides a solve current service braking device and can not satisfy the user demand, have that the braking is unsmooth, unsmooth smooth, very easily take place the technical problem of clamping stagnation even, provide a smooth service braking device that does not clamp of braking is stable.
The utility model provides a braking stable helps service brake equipment, includes inside hollow handlebar, be equipped with the insertion mouth on the handlebar, the activity is inserted on the insertion mouth and is equipped with the braking handle that is connected with the brake cable, braking handle includes handle portion and keep away from handle portion and wear to locate actuating mechanism in the insertion mouth, be close to in the handlebar actuating mechanism still be equipped with and be used for spacing actuating mechanism's stop gear, actuating mechanism includes locating handle portion is close to the tip of insertion mouth to with handle portion integrated into one piece's actuating handle, actuating handle is close to one end of actuating handle is equipped with the rolling member that is used for assisting actuating mechanism motion, the rolling member can be followed actuating mechanism rolls, when handle portion moves towards keeping away from the direction, actuating mechanism jack-up the brake cable and support and lean on actuating mechanism in order to brake; when the handle portion moves in a direction approaching the handle bar, the driving mechanism pulls the brake cable to brake.
A brake stable service brake arrangement as described above, the drive mechanism comprising:
the fixed head is arranged on one side of the driving handle, close to the handle part, and is used for fixing the brake cable;
and the roller groups are arranged on the front side and the rear side of the driving handle and are used for sliding the driving handle in the handle bar.
The driving handle is further provided with a guide groove, a guide pillar for guiding the driving handle is arranged in the guide groove in a penetrating mode, guide holes for the guide pillar to penetrate through are formed in the handle bar and the limiting mechanism, and when the driving handle drives the rolling piece to move, the guide groove can rotate around the guide pillar.
The auxiliary service brake device with stable braking is characterized in that the rolling piece is further provided with a wire passing groove for guiding the brake wire, and when the handle part moves in the direction away from the handle bar, the wire passing groove can push up the brake wire.
The auxiliary braking device with stable braking comprises a first roller arranged on the front side of the driving handle and a second roller arranged on the rear side of the driving handle, and when the driving mechanism is positioned on the first limiting surface, the first roller and the second roller can assist the handle part to move towards the direction close to the handle bar.
The auxiliary braking device with stable braking comprises the limiting mechanism, wherein the limiting mechanism comprises a first limiting surface and a second limiting surface which are integrally formed and connected with each other, and when the handle part moves to the position, away from the handlebar, of the driving mechanism, the driving mechanism pushes up the brake cable to park and brake; when the handle part moves to the direction approaching to the handle bar until the driving mechanism is positioned on the first limiting surface, the driving mechanism can pull the brake cable to brake by spot brake.
The auxiliary service brake device with stable braking is characterized in that a limiting convex strip for limiting the rolling element is further arranged on one side, close to the first limiting surface, of the second limiting surface.
According to the auxiliary service brake device with stable braking, the front side of the second limiting surface is provided with the wire passing groove for the brake wire to pass through, and the brake wire can move along the length direction of the wire passing groove.
The auxiliary service brake device with stable braking is characterized in that a transition inclined plane is further arranged between the first limiting surface and the second limiting surface.
The auxiliary service brake device with stable braking, as described above, the limiting mechanism further comprises a clamping strip arranged on the lower sides of the first limiting surface and the second limiting surface, and a through hole for inserting the clamping strip is arranged in the handle bar corresponding to the clamping strip.
A brake stabilised rollator comprising a rollator brake apparatus according to any one of the preceding claims.
Compared with the prior art, the beneficial effects of the application are as follows:
1. the utility model provides a brake stable helps service braking device, through adding the rolling element on actuating mechanism, the smooth degree of multiplicable arresting gear when braking reduces the friction between actuating mechanism and the stop gear, ensures that the slip of actuating lever in the handlebar is more stable, the difficult condition that appears the jamming or block improves whole braking system's stability, the user only need can realize braking through the motion of handle portion, the operation is lighter and nimble, through setting up stop gear, can ensure that actuating mechanism shifts between two kinds of braking states.
2. The utility model provides a brake stable helps driving can simplify the user operation for the operation of braking handle is more convenient, and the user can realize different braking operations through the different direction of motion of handle portion, simultaneously, through adding the rolling element on actuating mechanism, can increase the smoothness of arresting gear when braking, reduces the friction between actuating mechanism and the stop gear, ensures that the slip of actuating handle in the handlebar is more stable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic perspective view of a brake stabilizing service brake device of the present application;
FIG. 2 is an exploded view of a brake stabilizing service brake device of the present application;
FIG. 3 is a sectional view of a service brake application device with stabilized braking;
FIG. 4 is a sectional view of a point brake condition of a brake stabilizing service brake device of the present application;
FIG. 5 is a cross-sectional view of a parking condition of a brake stabilizing service brake device of the present application;
FIG. 6 is a semi-sectional view of a service brake application device with stabilized braking;
fig. 7 is a schematic perspective view of a brake stabilized rollator of the present application.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 7, a brake-stable rollator brake apparatus and rollator comprises a handle bar 1, an insertion opening 10, a brake cable 11, a through hole 12, a second fixing hole 13, a brake handle 2, a handle portion 20, a driving mechanism 3, a driving handle 30, a fixing head 31, a first latch 32, a second latch 33, a roller group 34, a limiting mechanism 4, a first limiting surface 41, a second limiting surface 42, a rolling element 5 and a guide post 6.
The utility model provides a brake stable helps service brake equipment, includes inside hollow handlebar 1, be equipped with insertion port 10 on handlebar 1, insert on the insertion port 10 activity insert with brake handle 2 that brake cable 11 is connected, brake handle 2 includes handle portion 20 and keeps away from handle portion 20 and wears to locate actuating mechanism 3 in insertion port 10, be close to in handlebar 1 actuating mechanism 3 still be equipped with be used for spacing actuating mechanism 3 stop gear 4, be close to on actuating mechanism 3 stop gear 4 one end is equipped with be used for assisting actuating mechanism 3 moving rolling member 5, when handle portion 20 moves towards keeping away from handlebar 1 direction, actuating mechanism 3 jack-up brake cable 11 and support and lean on actuating mechanism 4 in order to brake; when the handle portion 20 moves towards the direction close to the handlebar 1, the driving mechanism 3 pulls the brake cable 11 to brake, as shown in fig. 2-6, by adding a rolling element on the driving mechanism, the smoothness of the braking device during braking can be increased, friction between the driving mechanism and the limiting mechanism is reduced, sliding of the driving handle in the handlebar is ensured to be more stable, clamping stagnation or blocking is not easy to occur, stability of the whole braking system is improved, a user can realize braking only by moving the handle portion, operation is easier and flexible, and switching between two braking states of the driving mechanism can be ensured by arranging the limiting mechanism.
Referring to fig. 2, the driving mechanism 3 preferably includes:
the driving handle 30 is integrally formed with the handle 20, and is arranged at the end part of the handle 20, which is close to the insertion port 10, the rolling element 5 is arranged at one end of the driving handle 30, which is close to the limiting mechanism 4, and can roll along the limiting mechanism 4, the driving handle and the handle are integrally formed, the structure is simplified, parts are reduced, the manufacturing cost and the maintenance difficulty are improved, the rigid connection between the driving mechanism and the limiting mechanism can be converted into the movable connection by arranging the rolling element at the end part of the driving handle, the operation flexibility is improved, and more preferably, the rolling element can be a roller;
a fixing head 31 provided on a side of the driving lever 30 near the handle portion 20 for fixing the brake cable 11;
the roller group 34 is arranged on the front side and the rear side of the driving handle 30 and is used for the driving handle 30 to slide in the handlebar 1, and the driving handle can slide in the handlebar due to the arrangement of the roller group, so that the flexibility and the convenience of operation are improved, and a brake cable is not required to be additionally arranged.
Preferably, referring to fig. 3-5, the driving handle 30 is further provided with a guide groove 301, the guide groove 301 is internally provided with a guide pillar 6 for guiding the driving handle 30, both the handlebar 1 and the limiting mechanism 4 are provided with guide holes 7 for the guide pillar 6 to pass through, when the driving handle 30 drives the rolling member 5 to move, the guide groove 301 can rotate around the guide pillar 6, the driving handle can be completely limited in the handlebar to move by arranging the cooperation between the guide pillar and the guide groove, and the guide pillar is only required to be ejected when the driving handle is detached, so that the assembly is simple, the use of parts is reduced, and the cost for producing camping is reduced.
Preferably, the rolling member 5 is further provided with a wire pushing groove 50 for guiding the brake wire 11, when the handle portion 20 moves away from the direction of the handlebar 1, the wire pushing groove 50 can push the brake wire 11, and by setting the wire pushing groove, the brake wire can be more smoothly braked, and can be limited in the wire pushing groove, so that the brake wire can be conveniently braked more stably, more preferably, the roller member can be made of hard or soft materials such as rubber, but cannot be excessively soft.
Preferably, the roller set 34 includes a first roller 341 disposed on the front side of the driving handle 30 and a second roller 342 disposed on the rear side of the driving handle 30, and as shown in fig. 3 and 4, when the driving mechanism 3 is located on the first limiting surface 41, the first roller 341 and the second roller 342 can assist the handle portion 20 to move in the direction B near the handlebar 1.
Preferably, the limiting mechanism 4 includes a first limiting surface 41 and a second limiting surface 42 that are integrally formed and connected to each other, as shown in fig. 5, when the handle portion 20 moves in a direction C away from the handlebar 1 until the driving mechanism 3 is located on the second limiting surface 42, the driving mechanism 3 pushes the brake cable 11 open for parking braking; as shown in fig. 4, when the handle portion 20 moves in a direction approaching the handlebar 1 until the driving mechanism 3 is located on the first limiting surface 41, the driving mechanism 3 may move in the direction B and pull the brake cable 11 to perform a spot brake, and by setting the limiting mechanism, the driving mechanism may implement two different braking functions, namely a parking brake and a spot brake, so that versatility and applicability of the braking device are increased, and a user may implement different braking operations through different movement directions of the handle portion, so that braking is more flexible and convenient.
Preferably, a side of the second limiting surface 42, which is close to the first limiting surface 41, is further provided with a limiting protrusion 44 for limiting the rolling element 5, by setting the limiting protrusion, the driving mechanism can be prevented from being pulled back to the first limiting surface by the acting force of the brake cable, and the driving mechanism can be limited to the second limiting surface by the limiting protrusion.
Preferably, the front side of the second limiting surface 42 is provided with a wire passing groove 420 through which the brake cable 11 can pass, the brake cable 11 can move along the length direction of the wire passing groove 420, and the position and the movement of the brake cable can be effectively limited by arranging the wire passing groove, so that the normal operation of the brake device is ensured, and the reliability and the safety of the whole brake system can be improved.
Preferably, a transition inclined plane 43 is further arranged between the first limiting surface 41 and the second limiting surface 42, and through the arrangement of the transition inclined plane, the position of the driving mechanism between the first limiting surface and the second limiting surface is conveniently changed, so that a more stable use experience is provided.
Preferably, the limiting mechanism 4 further includes a clamping strip 40 disposed below the first limiting surface 41 and the second limiting surface 42, and a through hole 12 for inserting the clamping strip 40 is disposed in the handlebar 1 corresponding to the clamping strip 40, so that the limiting structure is convenient to disassemble and assemble, and is beneficial to improving reliability and safety of the whole braking system.
The auxiliary vehicle with stable braking comprises the auxiliary vehicle braking device as shown in fig. 7, and the auxiliary vehicle braking device can pull a brake cable to brake during braking, so that the operation of a user can be simplified, the operation of a brake handle is more convenient, the user can realize different braking operations through different movement directions of a handle part, meanwhile, by adding rolling elements on a driving mechanism, the smoothness of the braking device during braking can be increased, the friction between the driving mechanism and a limiting mechanism is reduced, and the sliding of a driving handle in a handlebar is ensured to be more stable.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The utility model provides a service brake device of braking stability, includes inside hollow handlebar (1), be equipped with on handlebar (1) and insert mouth (10), insert and be equipped with braking handle (2) that are connected with brake line (11) on the activity of mouth (10), braking handle (2) include handle portion (20) and keep away from handle portion (20) and wear to locate actuating mechanism (3) in inserting mouth (10), its characterized in that: the handle bar (1) is internally provided with a limiting mechanism (4) which is used for limiting the driving mechanism (3) and is close to the driving mechanism (3), the driving mechanism (3) comprises a driving handle (30) which is arranged at the end part of the handle part (20) which is close to the insertion opening (10) and is integrally formed with the handle part (20), one end part of the driving handle (30) which is close to the limiting mechanism (4) is provided with a rolling piece (5) which is used for assisting the driving mechanism (3) to move, the rolling piece (5) can roll along the limiting mechanism (4), and when the handle part (20) moves towards a direction far away from the handle bar (1), the driving mechanism (3) pushes up the brake cable (11) and is propped against the limiting mechanism (4) to brake; when the handle part (20) moves in a direction approaching the handlebar (1), the driving mechanism (3) pulls the brake cable (11) to brake.
2. A brake-stable service brake arrangement according to claim 1, characterized in that: the drive mechanism (3) further comprises:
a fixing head (31) which is arranged on one side of the driving handle (30) close to the handle part (20) and is used for fixing the brake cable (11);
and roller groups (34) which are arranged on the front side and the rear side of the driving handle (30) and are used for sliding the driving handle (30) in the handlebar (1).
3. A brake-stable service brake arrangement according to claim 2, characterized in that: still be equipped with guide slot (301) on actuating lever (30), wear to be equipped with in guide slot (301) and be used for guiding guide pillar (6) of actuating lever (30), handlebar (1) with stop gear (4) all are equipped with can supply guide pillar (6) guide hole (7) that pass, works as actuating lever (30) drive when rolling element (5) remove, guide slot (301) can rotate around guide pillar (6).
4. A brake-stable service brake arrangement according to claim 2, characterized in that: the rolling piece (5) is also provided with a jacking groove (50) for guiding the brake cable (11), and when the handle part (20) moves away from the handlebar (1), the jacking groove (50) can jack up the brake cable (11).
5. A brake-stable service brake arrangement according to claim 2, characterized in that: the roller set (34) comprises a first roller (341) arranged on the front side of the driving handle (30) and a second roller (342) arranged on the rear side of the driving handle (30), and when the driving mechanism (3) is located on the first limiting surface (41), the first roller (341) and the second roller (342) can assist the handle part (20) to move towards the direction close to the handlebar (1).
6. A brake-stable service brake arrangement according to claim 1, characterized in that: the limiting mechanism (4) comprises a first limiting surface (41) and a second limiting surface (42) which are integrally formed and connected with each other, and when the handle part (20) moves to the position, away from the handlebar (1), of the driving mechanism (3) and is positioned on the second limiting surface (42), the driving mechanism (3) pushes up the brake cable (11) to park and brake; when the handle part (20) moves towards the direction approaching the handlebar (1) and the driving mechanism (3) is positioned on the first limiting surface (41), the driving mechanism (3) can pull the brake cable (11) to perform spot brake.
7. The brake-stable service brake arrangement of claim 6, wherein: and a limiting convex strip (44) for limiting the rolling element (5) is further arranged on one side, close to the first limiting surface (41), of the second limiting surface (42).
8. The brake-stable service brake arrangement of claim 6, wherein: the front side of the second limiting surface (42) is provided with a wire passing groove (420) for the brake wire (11) to pass through, and the brake wire (11) can move along the length direction of the wire passing groove (420).
9. The brake-stable service brake arrangement of claim 6, wherein: a transition inclined plane (43) is further arranged between the first limiting surface (41) and the second limiting surface (42).
10. A brake-stable rollator, characterized by: a service brake arrangement comprising a service brake arrangement as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311872188.4A CN117653521A (en) | 2023-12-29 | 2023-12-29 | Service vehicle braking device with stable braking and service vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311872188.4A CN117653521A (en) | 2023-12-29 | 2023-12-29 | Service vehicle braking device with stable braking and service vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117653521A true CN117653521A (en) | 2024-03-08 |
Family
ID=90071505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311872188.4A Pending CN117653521A (en) | 2023-12-29 | 2023-12-29 | Service vehicle braking device with stable braking and service vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117653521A (en) |
-
2023
- 2023-12-29 CN CN202311872188.4A patent/CN117653521A/en active Pending
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