CN110406511A - Stop device - Google Patents

Abstract

The present invention provides a kind of stop device, can reduce the load for being applied to driver.Stop device (4) includes bracket (5), is fixed on car body (1), has axis extending along the width of the car (15)；Bar (17), has the upper end that can be rotatably supported on axis, which connect via control cable (20) with brake main body；Handle (32), it is in rodlike, it is configured to be axially moveable relative to car body, in conjunction with the lower end of bar, the end on rear side of the vehicle front-rear direction of the handle (32) is connect the end on front side of the vehicle front-rear direction of the handle (32) with handle (42)；And retainer (21), it is set to bracket, and limitation bar has frangible portion to rotation in front of vehicle front-rear direction, bracket, frangible portion is detached from axis when from axis by defined load, and upper end side of the retainer on the length direction of bar is abutted with the bar.

Description

Stop device

Technical field

The present invention relates to a kind of stop devices of vehicle.

Background technique

There are a kind of stop devices, include bar, in a manner of it can rotate and are fixed on car body in upper end Bracket combines；And handle has handle in rear end, fragility is provided between bar and handle in front end in conjunction with the lower end of bar Portion, the frangible portion deform when applying load forwards to handle and handle are made to separate (such as patent document 1) from bar.In patent text Offer in 1 stop device, when a vehicle is in a collision driver knee Yu handle collision when, handle due to the deformation of frangible portion from Bar separation.Handle can move forwards as a result, and load is not easy to be transmitted to the knee of driver.

Existing technical literature

Patent document 1: Japanese Patent Publication 5-1644 bulletin

Summary of the invention

In the stop device of patent document 1, when handle is separated with bar, the knee of driver can be applied on an equal basis Load.

In view of above background, the negative of driver is applied to problem of the present invention is that reducing in stop device Lotus.

In order to solve the above problems, one aspect of the present invention be a kind of stop device 4 comprising: Bracket 5 is fixed on car body 1, has axis 15 extending along the width of the car；Bar 17 has described in capable of being rotatably supported on The upper end of axis, the bar are connect via control cable 20 with brake main body；Handle 32, in rodlike, be configured to relative to The car body is axially moveable, and the end on front side of the vehicle front-rear direction of the handle is in conjunction with the lower end of the bar, the vehicle of the handle End on rear side of front-rear direction is connect with handle 42；And retainer 21, it is set to the bracket, limits the bar to vehicle Rotation, the bracket have frangible portion in front of front-rear direction, and the frangible portion makes institute when from the axis by defined load Axis disengaging is stated, upper end side of the retainer on the length direction of the bar is abutted with the bar.

According to which, when applying handle towards the load in front, the load towards front, bar are applied to the lower end of bar It is rotated centered on retainer.The load towards rear is applied to the upper end of bar as a result, therefore frangible portion deforms, so that axis is de- From.Because of the disengaging of axis, bracket is separated with bar, therefore handle can move forwards, and load is not easy to be transmitted to the knee of driver.This When, retainer is abutted in the upper end side of the length direction of bar with bar, therefore can be generated in the upper end of bar according to thick stick handle principle The big load of load than being applied to the lower end of bar.Therefore, bracket can be made to separate with handle with smaller load.

It is in the above method preferably that the bracket has bearing portion 8, and the bearing portion 8 is along described in vehicle width direction perforation Bracket simultaneously accommodates the axis, and the bearing portion 8 is sent out to vehicle front-rear direction rear openings, the bearing portion as the frangible portion Function is waved, the frangible portion expands when from the axis by load.

According to which, frangible portion can be simply formed.In addition, by the shape for changing bearing portion, it can be easily Load when adjustment is detached from axis.

It is in the above method preferably that the bracket is prominent with the base portion 6 in conjunction with the car body and from the base portion A pair of side plates portion 7, the bearing portion is set to each side plate, and the upper end of the bar is configured in the pair of side plate Between.

According to which, axis is supported at both ends in side plate, therefore the position of axis is not easy to change.

It is in the above method preferably that the retainer is arranged in front of the vehicle front-rear direction of the bar, it can be with institute It states and is abutted on front side of the vehicle front-rear direction of bar.

According to which, retainer can be simply formed.

It is in the above method preferably that the bar has the wide main part 18 of width in the vehicle width direction and from the main body Edge flange part 23 extending along the width of the car on front side of the vehicle front-rear direction in portion, the bar at the flange part with it is described Retainer abuts.

According to which, the rigidity of bar is improved by setting flange part.Therefore, bar is not easy negative because what is be subject to from retainer Lotus and deform.Furthermore it is possible to increase the area that bar is abutted with retainer, thus can scatteredload, the deformation of bar can be prevented.

It is in the above method preferably that the retainer is cylindrical, the flange part has recess portion 25, the recess portion 25 It is recessed to vehicle front-rear direction rear, the retainer can be accommodated from vehicle front-rear direction rear.

It can determine the position that bar is abutted with retainer, therefore, energy by accommodating brake component in recess portion according to which It is enough to improve the precision for being applied to the load and the ratio between the load generated in the upper end of bar of handle.

It is in the above method preferably that the vehicle width direction both ends of the retainer are respectively in conjunction with each side plate. According to which, the both ends of retainer are in conjunction with side plate, therefore the position of retainer is not easy to change.

Invention effect

According to above structure, in stop device, the load for being applied to driver can be reduced.

Detailed description of the invention

Fig. 1 is the top view near the driver's seat of the vehicle of the stop device provided with present embodiment.

Fig. 2 is the perspective view of stop device.

Fig. 3 is the side view of stop device.

Fig. 4 is the perspective view of the bound fraction of bracket and bar.

Fig. 5 is the explanatory diagram engaged for illustrating ratchet with pawl.

Fig. 6 is the explanatory diagram for illustrating the position of stop device and driver's knee.

Fig. 7 is the perspective view of the bracket of the stop device of another embodiment and the bound fraction of bar.

Label declaration

1: front panel (car body)；

4: stop device；

5: bracket；

6: base portion；

7: side plate；

8: bearing portion；

11: upper wall portions；

12: lower wall portion；

15: axis；

16: axle sleeve；

17: bar；

18: main part；

20: control cable；

21: retainer；

23: flange part；

25: accommodating recess portion (recess portion)；

29: torsion coil spring (force application part)；

32: handle；

42: handle.

Specific embodiment

Hereinafter, being illustrated referring to embodiment of the attached drawing to stop device of the invention.Hereinafter, before with vehicle On the basis of side, all directions of front and back and left and right are determined.

The front panel 1 for distinguishing engine room and car room is provided on vehicle.As shown in Figure 1, front panel 1 rear and The instrument board 2 for having the various indicators such as speedometer, fuel quantity ga(u)ge, warning light is provided in front of driver's seat.Before driver's seat Side is provided with perforation instrument board 2 and reaches the indoor steering shaft of vehicle, is combined with steering wheel 3 in the rear end of steering shaft.Hereinafter, according to Need, by the front and rear, left and right of vehicle and up and down on the basis of record direction.

(parking device)

As shown in Figures 2 and 3, stop device 4 has the bracket 5 for the rear surface for being fixed on front panel 1.

Bracket 5 has the base portion 6 of the plate of the rear surface along front panel 1.In base portion 6, in defined position on, pass through Bolt makes base portion 6 be anchored on the rear surface of front panel 1.

As shown in figure 4, bracket 5 has from the pair of right and left side plate 7 outstanding rearwardly and upwardly of base portion 6.Side plate 7 is in respectively Plate has the face towards left and right directions.

Bearing portion 8 is formed in each side plate 7.Bearing portion 8 is respectively provided with support holes 9, which is left and right perforation The through hole of side plate 7.The support holes 9 of the side plate 7 of left and right are formed in respectively in same shape, with the axis X of left and right extension Centered on be coaxially formed.It is rearward in after tendon shape extends and reaches bracket 5 that bearing portion 8, which includes from the rear end of support holes 9, The notch 10 of edge, the side opening respectively backward of bearing portion 8.Notch 10 includes delimiting the upper wall portions 11 of top edge and delimiting following The lower wall portion 12 of edge.Upper wall portions 11 and lower wall portion 12 respectively to towards rear and the direction that is separated from each other tilts.Work as upper wall When portion 11 and lower wall portion 12 are rearward applied load, the Direction distortion that upper wall portions 11 and lower wall portion 12 separate to each other, thus Bearing portion 8 expands.

It is provided in the support holes 9 of the side plate 7 of left and right while by the columned axis 15 of the two.The outer diameter of axis 15 with The internal diameter of support holes 9 is roughly equal, and axis 15 is coaxially configured with axis X.Oriented radial direction is respectively set in the left and right end portions of axis 15 Outside is in the anti-delinking part 15A of disk-shaped extension.The movement of axis 15 in the lateral direction is limited using anti-delinking part 15A.In this way, axis 15 both ends are contained in support holes 9, therefore axis 15 is steadily supported on bracket 5.The both ends of axis 15 can be fixed on bearing In hole 9, it can also be supported to rotate.

On axis 15, it is combined in a way freely spinning way by the cylindric axle sleeve 16 that left and right extends as metal plate portion The bar 17 of part.Bar 17 is plate-like, has towards the face of left and right directions, bar 17 is located between two side plates 7.Bar 17 has substantially It vertically extends and the wide main part 18 of width in the vehicle width direction.The upper end of main part 18 is provided with circular perforation Hole, axle sleeve 16 are inserted into and are fastened in the through hole.Axle sleeve 16 is located between the side plate 7 of left and right, and axis 15 penetrates through axle sleeve 16.By This, the upper end of bar 17 is located between the side plate 7 of left and right, and in the way of it can be rotated centered on the axis X of axis 15 and support Frame 5 combines.

Rearward protruding portion 19 outstanding is combined on axle sleeve 16.Protruding portion 19 is located at the right of bar 17.In protruding portion 19 jag part is fixed with the one end for the control cable 20 connecting with parking brake main body.Parking brake main body has Two friction portions make two friction portions contacts, generate frictional force between two friction portions when control cable 20 is pulled, Brake force is generated to wheel.When loosening control cable 20, by two friction parts to release the braking for being applied to wheel Power.

It is at the rear of side plate 7, from front with and the opposed position of the leading edge of bar 17, be provided with the circle that left and right extends Columnar retainer 21.Retainer 21 penetrates through the through hole for being set to each side plate 7, and is individually fixed in side in left and right ends Plate portion 7.Retainer 21 is abutted with the leading edge of bar 17, and limitation bar 17 rotates forwards.The leading edge of bar 17 is abutted with retainer 21 When bar 17 position as initial position.The both ends of retainer 21 are combined with side plate 7 respectively, therefore retainer 21 is by steadily It is supported on bracket 5.Retainer 21 is preferably formed by bolt, nut and axle sleeve 16, wherein side plate of the bolt from left side 7 left side penetrates through the through hole of two side plates 7, and the nut is screwed togather from the right side of the side plate 7 on right side with bolt, axle sleeve 16 It is installed in bolt.

Substantial middle part on the up-front length direction of the main part 18 of bar 17 is formed by bending to the left, and bar 17 has The flange part 23 extended from the leading edge of main part 18 to vehicle width direction (left).By the way that flange part 23 is arranged, bar 17 can be improved Rigidity.

Has the receiving recess portion 25 being rearward recessed in flange part 23.Accommodate recess portion 25 at flange part 23 in left-right direction Extend.Accommodating recess portion 25 is the position that retainer 21 is accommodated when bar 17 is located at initial position, accommodates recess portion 25 and is located at bar 17 The upper end side of length direction.Accommodate 1/5th~tri- points that recess portion 25 is preferably placed at from upper end side the length on length direction One of position accommodate recess portion 25 in the present embodiment and the position of the about one third of the upper end side away from bar 17 be set.

Torsion coil spring 29 is configured between the side plate 7 on protruding portion 19 and right side.In torsion coil spring 29 It is through with axis 15 along its axis, torsion coil spring 29 is supported on axis 15.Side plate 7 in left and right is respectively arranged on by making Portion front end to each other close direction turn back and the return portion 27 that is formed.The return portion 27 of left and right connects each other in their end It connects, is formed as one piece of plate.Torsion coil spring 29 is abutted with protruding portion 19 at one end, on the right side of the other end and return portion 27 Upper end abuts.Torsion coil spring 29 carries out rotation force to protruding portion 19 relative to return portion 27.The lower end quilt of bar 17 as a result, Forwards, i.e. initial position rotation exerts a force.

As shown in Figures 2 and 3, the lower end of bar 17 is provided with yoke 31.One end of yoke 31 along vehicle width direction with can be to prolong The mode rotated centered on the axis stretched is in conjunction with the rear end of bar 17.The other end of yoke 31 is formed as cylindric, in the other end The front end of the handle 32 of pole shape inserted with front and back extension.

Radially projecting positioning pin 33 is provided in the front end of handle 32.It is provided with circumferentially in the other end of yoke 31 Guide hole 35.The front end of positioning pin 33 is contained in guide hole 35.Thereby, it is possible to limit the other end of the handle 32 relative to yoke 31 Move in the axial direction, and handle 32 in the way of it can be rotated within the specified angular range centered on axis direction with The other end of yoke 31 combines.

Helical spring 36 is wound in the periphery of the another side of yoke 31.One end of helical spring 36 is hung on handle 17.Spiral shell The other end of rotation spring 36 is combined with positioning pin 33.Handle 32 is by helical spring 36 to making the circumferential of positioning pin 33 and guide hole 35 What one end abutted can clamped position rotation force.

Pipe carrier 37 is combined on the vehicle frame of bearing meter plate 2.Handle 32 is inserted into the guiding tube supported by pipe carrier 37 In 38.Handle 32, which is supported to slide axially along it, as a result, is moved and can be rotated centered on the axis of handle 32.

The back upper place of guiding tube 38 is provided with pawl 40, which is pivotally supported at pipe carrier 37,40 quilt of pawl Torsion coil spring 39 flexibly exerts a force downwards.In the middle part of handle 32, being provided with to engage with pawl 40 (can be nibbled Close) ratchet 41, the ratchet 41 be arranged on handle 32 in the one side in the circumferential direction of bar 17 be located at can clamped position when upper table Face.As shown in figure 5, limiting movement of the handle 32 relative to axis direction when pawl 40 is engaged with ratchet 41.When pawl 40 with When ratchet 41 engages, if rotating handle 32 centered on axis, pawl 40 is released from engaging for ratchet 41.

As shown in Figure 1 and Figure 6, handle 32 penetrates through instrument board 2 and extends to car room.It is provided in the rear end of handle 32 for by driving The handle 42 that the person of sailing holds and operated to handle 32.Handle 42 is located at the lower left of steering wheel 3.The rear end of handle 32 is located at just Seat is in the front of the knee (being in the present embodiment left knee) of the driver of driver's seat.Handle 42 can be integrally anchored on Handle 32 is also configured to the handle 42 when driver pulls back handle 42 relative to handle 32 and is combined with handle 32.

The movement of stop device 4 as constructed as above is illustrated.When handle 32 is located at front and driver is not right When handle 42 applies load, control cable 20 loosens, and stopping brake is released from.At this point, pawl 40 and ratchet 41 do not engage, bar 17 are exerted a force by torsion coil spring 29, and bar 17 is located at the initial position abutted in its leading edge with retainer 21.In addition, handle 32 is located at Ratchet 41 upward can clamped position.

When driver moves handle 42 rearward, control cable 20 is pulled, and parking brake becomes action state. At this point, pawl 40 is engaged with ratchet 41, handle 32 is kept in the position.

When parking brake movement, when driver rotates handle 42, handle 32 rotates, and pawl 40 is nibbled with ratchet 41 Conjunction is released from.Handle 32 can move forwards as a result, be exerted a force by torsion coil spring 29, and bar 17 becomes initial position.As a result, Control cable 20 is relaxed, and stopping brake is released from.

The effect of stop device 4 as constructed as above is illustrated.When vehicle forward collision in motion, front wall Plate 1 is rearward squeezed.There is stop device 4 as a result, rearward to move, the feelings that the knee and handle 42 of driver collides Condition.When the knee of driver and handle 42 collide, the load towards front can be applied to handle 32.

When vehicle travels, handle 17 is located at the initial position that retainer 21 is contained in receiving recess portion 25, stopping brake quilt It releases.When the load towards front due to being applied to handle 32 and to the lower end of bar 17 apply towards front load when, according to Using the lower end of bar 17 as force, to accommodate recess portion 25 for the thick stick handle principle of fulcrum, in the upper end application for becoming the bar 17 of position There is the load towards rear.Due to being applied to the load backward of the upper end of bar 17, axis 15 is pulled by bar 17 and relative to bracket 5 Rearward move.Due to being applied to the load backward of axis 15, the Direction distortion that upper wall portions 11 and lower wall portion 12 separate to each other, The rear end of bearing portion 8 expands.Due to the deformation of notch 10, axis 15 is detached to the rear of bearing portion 8, and handle 32 divides with bar 17 From.The combination of handle 32 and car body is released from as a result, and load can be prevented to be transmitted to driver from handle 42.

At this point, the upper end of bar 17 is located at the length direction upper end side of bar 17.It therefore, can be according to thick stick handle principle in the upper of bar End generates the load bigger than being applied to the load of the lower end of bar 17.Therefore, bracket 5 can be made to divide with bar 17 with smaller load From the load for being applied to driver can be reduced.

When by load from axis 15, notch 10 is deformed, so that axis 15 is detached from from bracket 5, therefore bearing portion 8 is made Frangible portion to be detached from axis 15 from bracket 5 functions.In this way, being able to easily form fragility by setting bearing portion 8 Portion.In addition, by the shape (such as the distance between front end of the front end of upper wall portions 11 and lower wall portion 12) for adjusting notch 10, It can be easily set to that the rear end of bearing portion 8 is enable to expand to axis 15 load that is detached from and should be applied to axis 15.

In addition, being capable of increasing the area that bar 17 is abutted with retainer 21 by the way that flange part 23 is arranged on bar 17.As a result, Be capable of increasing the area that bar is abutted with retainer, thus can scatteredload, can prevent bar 17 from deforming.In addition, by convex Setting accommodates recess portion 25 on edge 23, can accurately determine the position that bar 17 is abutted with retainer 21.Therefore, it can be improved The load forwards for being applied to the lower end of bar 17 and the precision in the ratio between the load rearward of the upper end of bar 17 generation.

Finish the explanation of specific embodiment above, but the present invention is not limited to above embodiment, Neng Gouguang The deformation implementation of general ground.For example, the axis 15 that left and right directions extends can be set up in side plate 7, and side is anchored at the both ends of axis 15 Plate portion, the bearing portion 8 for accommodating the axis 15 are arranged at bar 17.In such a situation it is preferred to which setting penetrates through axis 15 on bar 17 Support holes 9 and the notch 10 that extends forwards from support holes 9.

In the above-described embodiment, bearing portion 8 is provided with notch 10, but is not limited to which, as long as working as The structure that bracket 5 is detached from axis 15 when being applied with given load to bracket 5 from axis 15, then can be any way.For example, as schemed Shown in 7, bearing portion 8 can also be provided with thinner wall section 50, thinner wall section 50 rearward extends from the rear of support holes 9, and compares The other parts of bracket 5 are thin.When applying defined load to bracket 5 from axis 15, thinner wall section 50 is broken, and bearing portion 8 expands.It is logical Expanding for bearing portion 8 is crossed, as the 1st embodiment, axis 15 is detached from from bracket 5.When axis 15 from bracket 5 be detached from when, handle 32 with Bar 17 is separated, therefore load can be prevented to be transmitted to driver from handle 42.

Claims (7)

1. a kind of stop device comprising:

Bracket is fixed on car body, has axis extending along the width of the car；

Bar, has the upper end that can be rotatably supported on the axis, which connect via control cable with brake main body；

Handle is configured to be axially moveable relative to the car body, on front side of the vehicle front-rear direction of the handle in rodlike In conjunction with the lower end of the bar, the end on rear side of the vehicle front-rear direction of the handle is connect with handle for end；And

Retainer is set to the bracket, limits the bar and rotates to vehicle front-rear direction front,

The bracket has frangible portion, and the frangible portion is detached from the axis when from the axis by defined load,

Upper end side of the retainer on the length direction of the bar is abutted with the bar.

2. stop device according to claim 1, which is characterized in that

The bracket has bearing portion, and the bearing portion penetrates through the bracket along vehicle width direction and accommodates the axis, the bearing Portion to vehicle front-rear direction rear openings,

The bearing portion is functioned as the frangible portion, and the frangible portion expands when from the axis by load.

3. stop device according to claim 2, which is characterized in that

The bracket has base portion in conjunction with the car body and from pronathous a pair of side plates portion,

The bearing portion is set to each side plate,

The upper end of the bar configures between the pair of side plate.

4. stop device according to claim 3, which is characterized in that

The retainer is arranged in front of the vehicle front-rear direction of the bar, can support with the vehicle front-rear direction front side of the bar It connects.

5. stop device according to claim 4, which is characterized in that

The bar has the wide main part of width and the edge on front side of the vehicle front-rear direction of the main part in the vehicle width direction Portion's flange part extending along the width of the car,

The bar abuts at the flange part with the retainer.

6. stop device according to claim 5, which is characterized in that

The retainer is cylindrical,

The flange part has recess portion, and the recess portion is recessed to vehicle front-rear direction rear, can be from vehicle front-rear direction rear Accommodate the retainer.

7. stop device according to claim 6, which is characterized in that

The vehicle width direction both ends of the retainer are respectively in conjunction with each side plate.