Integral emergency brake pedal
One. technical field:
The present invention relates to a kind of brake pedal, particularly relate to a kind of integral emergency brake pedal.
Two. background technology:
Existing heavy motor vehicle brake system principle of work has shortcoming.The good effect of out of reach to a certain extent, existing standard master cylinder is during heavy duty, because it is far away to cross the big braking distance of gas stroke, out of reach safe driving to a certain extent is in order to improve heavily loaded braking effect, people have invented a kind of potent master cylinder, but this technology also has shortcoming, because effect is too strong, when empty wagons uses, usually can cause the situation of unexpected locking at one-tenth, can cause the back vehicle rear-end collision, partially sliding, more be not suitable for sleety weather and use; Above-mentioned in addition two kinds of technology also have a common shortcoming, because the front and back wheel level of response has deviation, front-wheel early brakes, trailing wheel brake in evening, and reason is, and the nosewheel contact area is little, and brake shoe is also little, and good springiness so be combined, is quick on the draw; Trailing wheel is then opposite.The shortcoming of above-mentioned two kinds of technology all exists safety hazard and unnecessary wear on tyres, can make the car weight serious accident when serious.
Chinese patent ZL99208974 proposes a kind of brake valve of car, and a kind of brake valve of car of Chinese patent ZL200420061352 proposition, all be that the unlatching of valve is adjusted, improved braking force to a certain extent, improved braking effect, but fundamentally do not overcome the above problems.
I all disclose a kind of double chamber parallel electromagnetic control secondary booster automobile brake general pump in the patent 200610107095.2,200610107239.4,200610107240.7 of preceding application, it can be according to the braking force size and the speed of the different adjustment brake of vehicle, load-carrying and road conditions, the keying problem of the two-position three way magnetic valve that wherein also relates to, existing according to a kind of and its matching used pedal of condition of service design.
Three, summary of the invention:
Technical matters to be solved by this invention is: overcome the deficiencies in the prior art, provide a kind of simple in structure, reasonable in design, collect the brake and the control electromagnetic valve switch in unitary whole formula emergency brake pedal.
Technical scheme of the present invention is: a kind of integral emergency brake pedal, contain integral type pedal panel, the lower surface of described integral type pedal panel is connected with a fixed mount rotary type with axle sleeve by rotating shaft, and the center of the described integral type pedal of the axis runout of described rotating shaft and axle sleeve panel Width, described fixed mount is connected with brake lever, and a touch switch is installed on this fixed mount, the contact of described touch switch is corresponding with the integral type pedal panel of rotating shaft and axle sleeve one side, be provided with retracing spring between the integral type pedal panel of described rotating shaft and axle sleeve opposite side and fixed mount or the brake lever, described integral type pedal panel rotates with axle sleeve around the shaft touch switch is connected.
The line of centers quadrature or the oblique of the axis of described rotating shaft and axle sleeve and integral type pedal panel Width.
Be provided with guide and limit mechanism between described integral type pedal panel and the fixed mount, be convenient to integral type pedal panel and rotate and reset.Described guide and limit mechanism contains deck and guide piece, and wherein deck is fixed on described integral type pedal panel lower surface, and described guide piece is arranged on the described fixed mount.
Away from being provided with cushion block between the integral type pedal panel of described rotating shaft and axle sleeve one end and the fixed mount; Described integral type pedal panel upper surface is provided with antiskid pad.
Described touch switch is the normal touch switch that separates, its insulated shell upper end is provided with insulating cove, its insulated shell lower end is connected with the upper end of putter sleeve by clad, be set with the contact push rod in the axis hole of described putter sleeve, push rod upper end, described contact is provided with axis hole, be set with the insulation push rod in this axis hole, and described insulation push rod middle part is equipped with contact disk, the direction recess that is provided with on its top and the insulating cove inside face is complementary, described insulating cove is provided with connection bolt, the lower end of this connection bolt is corresponding with described contact disk, be provided with stage clip between described insulation push rod and the electric shock push rod, be provided with stage clip between described insulation push rod upper end and the direction recess diapire, described putter sleeve lower end outside face is provided with screw thread, described screw thread is provided with captive nut, adjustment nut and jam nut, captive nut are fixed on the described fixed mount putter sleeve.
The invention has the beneficial effects as follows:
1, the present invention and I are used at " double chamber parallel electromagnetic control secondary booster automobile brake general pump " of preceding application, it integrates brake and control electromagnetic valve switch, a pin can be finished everything, be convenient to operation, when needing soft brake, depress integral type pedal panel with the direct front of pin, this integral type pedal panel drives the brake lever motion by fixed mount and brakes, when needing powerful pressurization to brake, with tiptoe integral type pedal panel is rotated around the axis, start contact switch earlier, open the electromagnetic valve in " double chamber parallel electromagnetic control secondary booster automobile brake general pump ", carry out secondary booster, continue to depress integral type pedal panel then, drive the brake lever motion and brake, thereby realize different braking effects, make driving safer.
2, the line of centers quadrature or the oblique of rotating shaft of the present invention and axle sleeve and integral type pedal panel Width, during oblique, the only using foot point touches and gets final product, and can self-return, driver's custom is not done excessive change, is beneficial to operation, and is easy to use.
3, the present invention is reasonable in design, simple in structure, and can adjust the stroke of touch switch electric shock push rod by adjustment nut and jam nut.
4, each structure of the present invention all is positioned at the back side of integral type pedal panel, uses to be difficult for breaking, thereby can improve many times in its service life, reduces use cost.
5, the present invention is applied widely, is particularly useful for Dongfeng series vehicle and other heavy duty trucks, has good society and economic benefit after the popularization.
Four, description of drawings:
Fig. 1 is one of structural representation of integral emergency brake pedal;
Fig. 2 is the plan structure figure of integral emergency brake pedal shown in Figure 1;
Fig. 3 is the structural representation of deck shown in Figure 2;
Fig. 4 is the structural representation of touch switch shown in Figure 2;
Fig. 5 is an A-A view among Fig. 2;
Fig. 6 be integral emergency brake pedal structural representation two;
Fig. 7 is the plan structure figure of integral emergency brake pedal shown in Figure 6;
Fig. 8 is a B-B view among Fig. 7.
Five, the specific embodiment:
Embodiment one: referring to Fig. 1~Fig. 5, and among the figure, 1-brake lever, 2-retracing spring, 3-cushion block, the 4-deck, 5-antiskid pad, 6-axle sleeve, 7-rotating shaft, 8-pedal panel, 9-adjustment nut, 10-jam nut, 11-fixed mount, the 12-touch switch, 13-captive nut, 14-contact push rod, 15-insulated shell, 16-insulating cove, the 17-push rod that insulate, 18-connecting panel and contact disk, 19-insulating pad, the 20-clad, 21-plain cushion, 22-putter sleeve, 23-guide piece.
The lower surface of integral type pedal 8 is connected with fixed mount 11 rotary types with axle sleeve 6 by rotating shaft 7, and the center of axis runout integral type pedal panel 8 Widths of rotating shaft 7 and axle sleeve 6, and, the line of centers oblique (also can adopt quadrature) of the axis of rotating shaft 7 and axle sleeve 6 and integral type pedal panel 8 Widths, fixed mount 11 is connected with brake lever 1, brake lever 1 be positioned at integral type pedal panel 8 under, a touch switch 12 is installed on the fixed mount 11, the contact of touch switch 12 is corresponding with the integral type pedal panel 8 of rotating shaft 7 and axle sleeve 6 one sides, be provided with retracing spring 2 between the integral type pedal panel 8 of rotating shaft 7 and axle sleeve 6 opposite sides and the brake lever 1, integral type pedal panel 8 around the shaft 7 and axle sleeve 6 rotate touch switch 12 is connected.Be provided with guide and limit mechanism between integral type pedal panel 8 and the fixed mount 11, be convenient to integral type pedal panel 8 and rotate and reset.This guide and limit mechanism contains deck 4 and guide piece 23, and wherein deck 4 is fixed on integral type pedal panel 8 lower surfaces, and guide piece 23 is arranged on the fixed mount 11.
Away from being provided with cushion block 3 between the integral type pedal panel 8 of rotating shaft 7 and axle sleeve 6 one ends and the fixed mount 11, make integral type pedal panel 8 keep balances; Integral type pedal panel 8 is provided with antiskid pad 5.
Touch switch 12 is the normal touch switch that separates, its insulated shell 15 upper ends are provided with insulating cove 16, its insulated shell 15 lower ends are connected with the upper end of putter sleeve 22 by clad 20, be set with contact push rod 14 in the axis hole of putter sleeve 22, push rod 14 upper ends in contact are provided with axis hole, be set with insulation push rod 17 in this axis hole, and insulation push rod 17 middle parts are equipped with connecting panel and contact disk 18, the direction recess that is provided with on its top and insulating cove 16 inside faces is complementary, insulating cove 16 is provided with connection bolt, the lower end of this connection bolt is corresponding with connecting panel and contact disk 17, be provided with stage clip between insulation push rod 17 and the contact push rod 14, be provided with stage clip between insulation push rod 17 upper ends and the direction recess diapire, putter sleeve 22 lower end outside faces are provided with screw thread, screw thread is provided with captive nut 13, adjustment nut 9 and jam nut 10, captive nut 13 and plain cushion 21 are fixed on the fixed mount 11 putter sleeve 22.
During use, the two-position three way magnetic valve in " double chamber parallel electromagnetic control secondary booster automobile brake general pump " of the lead-in wire of contact switch 12 and the applicant's application is connected, so that control the keying of two-position three way magnetic valve.When needing soft brake, depress integral type pedal panel 8 with the direct front of pin, this integral type pedal panel 8 drives brake lever 1 motion by fixed mount 11 and brakes, when needing powerful pressurization to brake, with tiptoe integral type pedal panel 87 is rotated around the shaft, start contact switch 12 earlier, open the electromagnetic valve in " double chamber parallel electromagnetic control secondary booster automobile brake general pump ", carry out secondary booster, continue to depress integral type pedal panel 8 then, drive brake lever 1 motion and brake, thereby realize different braking effects, make driving safer.Present embodiment is applicable to the Dongfeng series vehicle.
Embodiment two: referring to Fig. 6, Fig. 7 and Fig. 8, numbering is identical among the figure, the meaning of representative is basic identical, something in common does not repeat, difference is: the structure difference of brake lever 1, and it is positioned at the outside of integral type pedal panel 8, and is provided with retracing spring 2 between integral type pedal panel 8 and the fixed mount, the concrete structure of fixed mount 11 also is not quite similar, but its effect is identical.Present embodiment is applicable to heavy duty truck.
The kind and concrete structure, the concrete structure of change fixed mount and the articulated structure that changes between integral type pedal panel and the fixed mount that change touch switch can be formed a plurality of embodiment, are common variation range of the present invention, do not describe in detail one by one at this.