CN202029834U - Automobile parking brake controlling device - Google Patents
Automobile parking brake controlling device Download PDFInfo
- Publication number
- CN202029834U CN202029834U CN2011200817870U CN201120081787U CN202029834U CN 202029834 U CN202029834 U CN 202029834U CN 2011200817870 U CN2011200817870 U CN 2011200817870U CN 201120081787 U CN201120081787 U CN 201120081787U CN 202029834 U CN202029834 U CN 202029834U
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- CN
- China
- Prior art keywords
- backguy
- parking
- guiding mechanism
- rod assembly
- stay wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an automobile auxiliary brake structure, in particular to an automobile parking brake controlling device. The controlling device comprises a pull rod component (1) of which the tail end is connected with a handle (8), a stay wire guide mechanism (9), a traction part (11), and a parking stay wire (5), wherein a guide groove (12) is formed on the stay wire guide mechanism (9), the towed end of the parking stay wire (5) is fixedly connected with the stay wire guide mechanism (9), and the parking stay wire (5) is gradually clung to the interior of the guide groove (12) when the towed end of the parking stay wire (5) is towed rotationally by the stay wire guide mechanism (9). By adopting the technical scheme, the strength transmission efficiency of a grip brake structure is improved while the stay wire stroke and the lever ratio are guaranteed. In addition, the automobile auxiliary brake structure has a simple structure and saves cost.
Description
Technical field
The utility model relates to a kind of automobile additional brake structure, relates in particular to a kind of automobile parking braking operating control.
Background technology
Parking brake is a kind of additional brake commonly used when automobile parking, divide by structure, the thread drawing mechanism that is connected with rod assembly that common parking brake generally comprises the rod assembly, the support that are used to handle, be positioned at support, by operation to rod assembly, thread drawing mechanism is spurred, and then make brake block and brake wheel contact closely to produce braking force, realize braking during standstill.Usually when design, be provided with latching device between rod assembly itself or rod assembly and the support, the function of this latching device is: when adopting the parking brake glancing impact, the movement position of rod assembly is fixed, prevented that rod assembly from falling after rise, to realize braking during standstill; When removing the parking brake glancing impact,, remove the return restriction of rod assembly, thereby make hand brake device carry out release, return by the unlock button of latching device.
In the design of thread drawing mechanism, then whether change parking brake is divided into two classes according to lever ratio in the course of the work, the first kind is constant lever ratio parking brake, second class is for becoming the lever ratio parking brake.Present constant lever ratio parking brake is owing to be subjected to deciding the constraint of lever ratio, and the length that parking brake draws is longer, thus influence attractive in appearance and on arranging difficulty relatively, particularly in the application of C-class, its contradiction is more outstanding.The transmission efficiency that how to improve power in the parking brake that becomes lever ratio is the comparison key, though certain structures has reached the effect that becomes lever ratio, the single-piece transmission efficiency is but very low, and out of reach designs the purpose of lever ratio in parking brake.Therefore when design becomes the lever ratio parking brake, to reduce the loss of power as far as possible, guarantee the transmission efficiency of power.
At present, in the change lever ratio structure design of thread drawing mechanism, effect is reasonable two kinds, the first is shown in figure one, rod assembly has groove on (1), rod assembly (1) is rotatedly connected by rotating shaft (3) and support (4), thread drawing mechanism is by Parking backguy (5), triangle rotating mechanism (6) is formed, between rod assembly (1) and triangle rotating mechanism (6), be provided with transition backguy (7), a corner of one end of this transition backguy (7) and triangle rotating mechanism (6) is hinged, be connected in the groove of the other end and rod assembly (1), Parking backguy (5) is hinged with another angle point of triangle rotating mechanism (6).In pulling parking brake process, transition backguy (7) is tangent with groove all the time, and the distance of rotating shaft (3) and transition backguy (7) along with the angle of pull-up different and time changing, thereby reach the purpose of change lever ratio.The power of transition backguy (7) is delivered in the backguy (5) by triangle rotating mechanism (6), realizing becoming in the process of lever ratio, realizes braking during standstill.But adopt this structure,, certainly will increase the design difficulty and the cost of this mechanism because that the design of triangle rotating mechanism needs is accurate especially, and the transition backguy with guide groove applying process in, can cause the loss of power, and then reduce transmission efficiency.
Another kind of design plan as shown in Figure 2, the three-legged structure below its and such scheme difference have been to remove, and utilize a deep-slotted chip breaker (2) replacement.This structure can produce the friction of transition backguy and guide groove, thereby has reduced the transmission efficiency of parking brake power, and friction can influence the durable of parking brake.
The utility model content
For solving the deficiencies in the prior art, the utility model provide a kind of guarantee under the prerequisite of backguy stroke and lever ratio, a kind of automobile parking braking operating control of the transmission efficiency of raising parking brake structural capacity, it is simple in structure, can save cost by actv..
For achieving the above object, automobile parking braking operating control of the present utility model comprises:
End is connected with the rod assembly of handle, and it is connected on the support by rotating shaft is rotating, and this support is fixed on the erecting frame of vehicle body;
The backguy guiding mechanism, it is by the rotating support lower area that is connected of jointed shaft;
Tractive unit links to each other with rod assembly, backguy guiding mechanism, serves as the axle rotation with the jointed shaft by the pulling of operation rod assembly, with traction backguy guiding mechanism;
The Parking backguy, it links to each other with the backguy guiding mechanism, is pulled by the rotation of backguy guiding mechanism, makes brake block and brake wheel contact closely to produce braking force;
Described backguy guide frame is provided with guide groove, and the end that is pulled of Parking backguy is connected with the backguy guiding mechanism, and when being pulled of backguy guiding mechanism rotation pulling Parking backguy held, the Parking backguy was fitted in the guide groove gradually.
As the qualification to aforesaid way, above-mentioned backguy guiding mechanism is the eccentric shaft setting with the jointed shaft.
As the further qualification to aforesaid way, the distance between the point of connection of described Parking backguy and backguy guiding mechanism and the jointed shaft is maximum.
As the improvement to aforesaid way, described tractive unit is a pull bar, and the two ends of this pull bar turn with rod assembly, backguy guiding mechanism respectively and link to each other.
Adopt technique scheme, because existing triangle rotating mechanism is replaced by the backguy guide frame that has guide groove, it is shaped as arbitrary shape, has avoided the requirement of triangle rotating mechanism to shape, has reduced difficulty of processing, has saved cost; The backguy guiding mechanism is made as eccentric the setting, when especially making the point of connection of Parking backguy and backguy guiding mechanism and the distance maximum between the jointed shaft, when tractive unit drives the rotation of backguy guiding mechanism, tractive unit move less apart from the time, can make the backguy stroke reach maxim, further improve transmission efficiency; Tractive unit is set to Tiebar structure, has avoided the loss of the power between tractive unit and the rod assembly, further improves the driving efficiency of power.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the utility model is done further to describe in detail:
Fig. 1 is existing Parking structural entity structural representation;
Fig. 2 is another existing Parking structural entity structural representation;
Fig. 3 is blocking device partial schematic diagram in the Parking structure of the utility model application;
Fig. 4 is an integral structure scheme drawing of the present utility model.
Among the figure:
1, rod assembly; 2, deep-slotted chip breaker; 3, rotating shaft; 4, support; 5, Parking backguy; 6, triangle rotating mechanism; 7, transition backguy; 8, handle; 9, backguy guiding mechanism; 10, jointed shaft; 11, tractive unit; 12, guide groove; 13, mounting hole; 14, pivot pin; 15, first rotating shaft; 16, second rotating shaft; 17, unlock button; 18, push rod; 19, the 3rd rotating shaft;
20, tooth plate; 21, rocking arm; 22, the 4th rotating shaft.
The specific embodiment
Figure three is depicted as blocking device partial schematic diagram in the Parking structure that the utility model uses; its concrete structure is existing; it is when concrete the application; can adopt structure shown in the figure three; also can adopt other blocking device mechanism; only the structure shown in the figure three is done schematic principle explanation at this, but protection domain of the present utility model does not limit to the restriction of this concrete structure.
By shown in the figure three as can be known, push rod 18, rocking arm 21 that this blocking device comprises tooth plate 20, unlock button 17, is connected with unlock button 17, tooth plate 20 and rod assembly 1 relative fixed setting, one end and the unlock button 17 of push rod 18 are connected, the other end is rotatedly connected with rocking arm 21 by the 3rd rotating shaft 19, be provided with the 4th rotating shaft 22 that is fixed on the rod assembly 1 on the rocking arm 21, the tooth engagement on the free end of rocking arm 21 and the tooth plate 20.
This blocking device is when using, and by the handle 8 of raising rod assembly 1 end, making tooth plate 20 serves as the axle rotation with rotating shaft 3, at this moment, the free end of rocking arm 21 slides on tooth plate 20 addendum flanks, treat handle 8 promote put in place after; the free end of rocking arm 21 meshes with tooth plate 20, has prevented the falling of handle 8; When removing parking brake, press unlock button 17, it serves as that axle rotates with the 3rd rotating shaft 19 that unlock button 17 promotes push rod 18; rocking arm 21 is under the application force of push rod 18; with the 4th rotating shaft 22 serves as that axle rotates, and then the free end of rocking arm 21 and the flank of tooth of tooth plate 20 are broken away from, and realizes release.
Below, to improvement part of the present utility model, do further detailed description in conjunction with Fig. 4.
By as can be known shown in Figure 4, automobile parking braking operating control of the present utility model comprises that end is connected with the rod assembly 1 of handle 8, backguy guiding mechanism 9, tractive unit 11, Parking backguy 5.
1 one-tenth cutter type design of rod assembly, handle 8 is positioned at the handle of a knife position of cutter type structure, the lower part of rod assembly 1 and between be provided with rotating shaft 3 between 4, to guarantee that rod assembly 1 is the rotation of axle with rotating shaft 3, support 4 is fixed on the erecting frame of vehicle body by the mounting hole 13 of its bottom, when rod assembly 1 rotated, support 4 maintained static all the time.
Backguy guiding mechanism 9 is by jointed shaft 10 rotating support 4 lower areas that are connected, and its shape has randomness.Pull bar guiding mechanism 9 shown in the figure is similar half moon, and its jointed shaft 10 is eccentric the setting on pull bar guiding mechanism 9.
Tractive unit 11 can adopt the transition backguy, optimum design mode of the present utility model is to adopt pull bar, one end of this pull bar turns by second rotating shaft 16 with the cutter type bottom of rod assembly 1 and links to each other, the other end is by first rotating shaft 15 and semi-moon shaped 9 rotatable linking to each other of backguy guiding mechanism, and first rotating shaft 15 is arranged on the body of jointed shaft 10 distances backguy guiding mechanism 9 farthest.
Backguy guide frame 9 is provided with guide groove 12, and the shape of this guide groove 12 also has randomness, but total optimum design principle is most when non-braking position, is raise by the point of connection transition to jointed shaft 10 of the point of connection of pivot pin 14.
At glancing impact, provide rotational force by 8 pairs of rod assemblies 1 of handle, rod assembly 1 rotates counterclockwise with rotating shaft 3 relative supports 4, in rotation process, rod assembly 1 drives on the tractive unit 11 and moves, it serves as that axle rotates counterclockwise with jointed shaft 10 that tractive unit 11 drives backguy guiding mechanism 9, in rotation process, Parking backguy 5 is along with the rising of pivot pin point of connection, Parking backguy 5 bodies and guide groove 12 after the pivot pin point of connection are fitted, and have limited the randomness that Parking backguy 5 is moved, and guarantee that Parking backguy 5 can have level displacement to the right along with the rising of pivot pin point of connection, make brake block and brake wheel contact closely, realize Parking to produce braking force.
In whole Parking process, it has two parts and becomes the lever ratio structure, and first tractive unit and rod assembly be with respect to the change lever ratio process of rotating shaft, and it two is tractive unit and Parking backguy change lever ratio processes with respect to jointed shaft 10,
In lever ratio was calculated, the length of establishing handle 8 was L, and it is a definite value.If the parking brake input force is F, the moment that rotating shaft 3 places produce is F*L; Obtain the power F1=F*L/a at second rotating shaft, 16 places by moment balance; Tractive unit 11 is F1*b by the moment that is delivered in the generation of jointed shaft 10 places of power; By moment balance as can be known, the power F2=F1*b/C in the Parking backguy 5;
To sum up can get:
In the formula:
L-parking brake draws the effective length (definite value) of handle;
A-rotating shaft is to the vertical distance of tractive unit;
B-jointed shaft is to the vertical distance of tractive unit;
C-jointed shaft is to the vertical distance of Parking backguy line of centers;
This shows that in the braking during standstill process, the Parking backguy constantly changes the points of tangency with backguy guiding mechanism guide groove, thereby distance c changes constantly, finally reaches the purpose that becomes lever ratio.
Claims (4)
1. automobile parking braking operating control, it comprises:
End is connected with the rod assembly (1) of handle (8), and it is connected on the support (4) by rotating shaft (3) is rotating, and this support (4) is fixed on the erecting frame of vehicle body;
Backguy guiding mechanism (9), it is by rotating support (4) lower area that is connected of jointed shaft (10);
Tractive unit (11) links to each other with rod assembly (1), backguy guiding mechanism (9), serves as the axle rotation by operation rod assembly (1) pulling, with traction backguy guiding mechanism (9) with jointed shaft (10);
Parking backguy (5), it links to each other with backguy guiding mechanism (9), is pulled by the rotation of backguy guiding mechanism (9), makes brake block and brake wheel contact closely to produce braking force;
It is characterized in that: described backguy guide frame (9) is provided with guide groove (12), the end that is pulled of Parking backguy (5) is connected with backguy guiding mechanism (9), when being pulled of backguy guiding mechanism (9) rotation pulling Parking backguy (5) held, Parking backguy (5) was fitted in the guide groove (12) gradually.
2. automobile parking braking operating control according to claim 1 is characterized in that: described backguy guiding mechanism (9) is the eccentric shaft setting with jointed shaft (10).
3. automobile parking braking operating control according to claim 1 and 2 is characterized in that: the distance between the point of connection of described Parking backguy (5) and backguy guiding mechanism (9) and the jointed shaft (10) is maximum.
4. automobile parking braking operating control according to claim 1 is characterized in that: described tractive unit (11) is a pull bar, and the two ends of this pull bar turn with rod assembly (1), backguy guiding mechanism (9) respectively and link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200817870U CN202029834U (en) | 2011-03-25 | 2011-03-25 | Automobile parking brake controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200817870U CN202029834U (en) | 2011-03-25 | 2011-03-25 | Automobile parking brake controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202029834U true CN202029834U (en) | 2011-11-09 |
Family
ID=44892143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200817870U Expired - Fee Related CN202029834U (en) | 2011-03-25 | 2011-03-25 | Automobile parking brake controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202029834U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144618A (en) * | 2013-03-22 | 2013-06-12 | 力帆实业(集团)股份有限公司 | Sedan handbrake transmission mechanism |
| CN104802782A (en) * | 2015-05-08 | 2015-07-29 | 魏伯卿 | Emergency brake package uphill-downhill front-rear brake automatically adjusting and controlling device |
| CN109018316A (en) * | 2018-08-13 | 2018-12-18 | 天津龙创世纪汽车设计有限公司 | A kind of type aircraft push-down handbrake mechanism |
-
2011
- 2011-03-25 CN CN2011200817870U patent/CN202029834U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144618A (en) * | 2013-03-22 | 2013-06-12 | 力帆实业(集团)股份有限公司 | Sedan handbrake transmission mechanism |
| CN104802782A (en) * | 2015-05-08 | 2015-07-29 | 魏伯卿 | Emergency brake package uphill-downhill front-rear brake automatically adjusting and controlling device |
| CN109018316A (en) * | 2018-08-13 | 2018-12-18 | 天津龙创世纪汽车设计有限公司 | A kind of type aircraft push-down handbrake mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20170325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |