CN203698561U - Coupling brake oil pump shell body - Google Patents

Abstract

The utility model discloses a coupling brake oil pump shell body. The shell body is provided with a fourth flange (5d) relative to the front part of a vehicle; a stay cable installation hole (5f) is mounted on the fourth flange (5d); a first flange (5a) and a second flange (5b) are integrally arranged on the shell boy at interval; on the first flange (5a) and the second flange (5b) are correspondingly provided a rotating shaft installation hole; a third flange (5c) extending upwardly is integrally mounted on the shell body; and a spacing rod installation hole is formed on the third flange (5c). The coupling brake oil pump shell body is simply structured with stable brake, high reliability and long service life and can be easily operated with convenience.

Description

Interlock brake pump housing

Technical field

The utility model relates to a kind of housing of oil pump, particularly relates to a kind of oil pump case for two-wheel car interlock braking.

Background technology

In two-wheel car driving process, before and after may needing, wheel hub is stopped and is braked simultaneously, so that vehicle safety stops, still because front and back wheel braking time, braking force, front and back wheel load etc. exist larger difference, causes having potential safety hazard in the process of brake.For addressing this problem, one equalizing gear is set in the prior art, the control mechanism of front and back wheel braking is connected with equalizing gear, operation equalizing gear, thereby drive the control mechanism of front and back wheel braking simultaneously, and can be according to the braking force of vehicle condition reasonable distribution front and back wheel, thereby make vehicle safety braking.But along with the development of two-wheel car, front brake adopts disc brake, rear brake adopts drum to stop, and to meet comparatively snap catch of front-wheel, trailing wheel is followed braking.In like manner, for controlling the time difference of front and back wheel brake, and simplify brake operation, also need that a linkage braking device control is set and drive the cylinder action of disc brake, and drive the drag-line action of rear brake.CN101537829B discloses so a kind of linkage, but this apparatus structure complexity, and front and back wheel braking time interval is larger, and therefore braking is not steady.Simultaneously, for making front and back wheel braking, cylinder action stroke is short, and the actuating length of the first drag-line is larger, therefore in the time that front-wheel is braked end position, trailing wheel is but braked but and is just just started, and the handle of further holding with a firm grip makes trailing wheel braking, but by the oil cylinder piston that causes arriving end position by larger external force further against, thereby cause that the life-span of oil pump is short, and cause larger oil shock, produce potential safety hazard.

Therefore those skilled in the art are devoted to a kind of simple in structure, braking pulsation-free two-wheel car linkage braking device of exploitation and two-wheel car.And the linkage braking device of this spline structure will be provided, oil pump case is a critical component.

Utility model content

Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide a kind of oil pump case simple in structure, braking pulsation-free two-wheel car linkage braking device that can be used for.

For achieving the above object, the utility model provides a kind of interlock brake pump housing, and the front portion of the relative vehicle of described housing is provided with the 4th flange; On described the 4th flange, be provided with drag-line mounting hole.

Preferably, on described housing, one is arranged at intervals with the first flange and the second flange; On the first flange and the second flange, correspondence is provided with rotating shaft mounting hole.

Preferably, on described housing, be wholely set upwardly extending the 3rd flange; On described the 3rd flange, be provided with position-limited lever mounting hole.

Preferably, described drag-line mounting hole is screw.

The beneficial effects of the utility model are: the utility model is simple in structure, and steadily, reliability is high, long service life in braking.

Brief description of the drawings

Fig. 1 is the integral structure schematic diagram of the applied two-wheel car of the utility model one detailed description of the invention.

Fig. 2 is the theory structure schematic diagram of Fig. 1.

Fig. 3 is the A-A sectional structure schematic diagram of Fig. 2.

Fig. 4 is the B-B sectional structure schematic diagram of Fig. 2.

Fig. 5 is that the C of Fig. 2 is to rotational structure schematic diagram.

Fig. 6 is the partial enlarged drawing at I place in Fig. 5.

Fig. 7 is the structural representation of handle portion in Fig. 2.

Fig. 8 be in Fig. 2 D to structural representation.

Fig. 9 is when the structural representation of oil pump actuating mechanism during in end position in the utility model one detailed description of the invention.

Figure 10 is that the C1 of Fig. 9 is to rotational structure schematic diagram.

Figure 11 is the partial enlarged drawing at II place in Figure 10.

Figure 12 is when the structural representation of handle in the time holding end position with a firm grip in the utility model one detailed description of the invention.

Figure 13 is that the C2 of Figure 12 is to rotational structure schematic diagram.

Figure 14 is the partial enlarged drawing at III place in Figure 13.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is described in further detail:

As shown in Figure 7, a kind of interlock brake pump housing 5, the front portion of housing 5 relative vehicles is provided with the 4th flange 5d; On the 4th flange 5d, be provided with drag-line mounting hole 5f.

As shown in Figure 2, Figure 3 and Figure 4, on housing 5, one is arranged at intervals with the first flange 5a and the second flange 5b; The upper correspondence of the first flange 5a and the second flange 5b is provided with rotating shaft mounting hole.

On housing, be wholely set upwardly extending the 3rd flange 5c, on the 3rd flange 5c, be provided with for position-limited lever mounting hole, drag-line mounting hole is screw.

As shown in Figures 1 to 4, the applied a kind of front and back wheel interlock of above-mentioned housing braking two-wheel car, comprise for the disc brake 100 of front wheel brake, for the drum of trailing wheel braking stop 200, hand braking mechanism 300, link gear 400.Disc brake 100 is by oil pump control, and drum is stopped and 200 is connected with brake rod 10, and brake rod 10 is connected with the first drag-line 6.

Link gear 400 comprises equalizing gear 4 and the oil pump actuating mechanism 7 that middle part is fixedly connected with handle 2.Equalizing gear 4 comprises balance block 15, is provided with lining 8, one bolts 9 and is fixedly connected with handle 2 through lining 8 is rear in balance block 15.One end of balance block 15 can drive the oil pump actuating mechanism 7 of oil pump, and the other end is provided with the first drag-line 6.Drum is stopped and 200 is connected with brake rod 10, and brake rod 10 is connected with the first drag-line 6.

In other detailed description of the invention, also can adopt shoulder bolt to connect balance block 15 and handle 2, and save lining, to reach essentially identical technique effect.

Oil pump is fixed on the right side of handle pipe 3 by anchor ear 16, the first drag-line 6 is arranged on balance block 15 by drag-line pin 23.The right-hand member of handle pipe 3 is provided with gum cover 18, the distance L 2 at the operating portion 18a center of gum cover 18 and rotating shaft 1 center is 4.3 with the ratio of the distance L 1 at drag-line pin 23 geometric centres and rotating shaft 1 center, in other detailed description of the invention, this ratio also can be other values of 4.1-5, as 4.2,4.4,4.5,4.6,4.7,4.8,4.9 etc., to reach essentially identical technique effect.

Hand braking mechanism 300 comprises the handle 2 of 1 rotation around the shaft, and the relative two-wheel car handle pipe 3 of rotating shaft 1 is fixing.

Balance block 15 is cylinder 15a with the contact jaw of oil pump actuating mechanism 7, and oil pump actuating mechanism 7 is provided with the outer convex globoidal 7b contacting with cylinder 15a.

Oil pump actuating mechanism 7 be can be around the shaft the rocking arm of 1 rotation, rocking arm one end drives by equalizing gear 4, the other end can be by the piston 5e of pressure oil pump.

On oil pump, one is arranged at intervals with the first flange 5a and the second flange 5b, and oil pump actuating mechanism 7 and handle 2 are arranged at the gap between the first flange 5a and the second flange 5b.Rotating shaft 1 is bolt, is connected successively through the first flange 5a, oil pump actuating mechanism 7, handle 2 with after the second flange 5b with jam nut 11.The front portion of the relative vehicle of oil pump is provided with the 4th flange 5d, is provided with the through hole 5f passing through for the first drag-line 6a on the 4th flange 5d.The first drag-line 6a passes by being arranged at after 5f in balance block 15, and the first drag-line 6a passes through hollow bolt 24 guide-localizations, hollow bolt 24 and through hole 5f screw thread fit.

This device also comprises the stop gear of restriction oil pump actuating mechanism 7 end positions, and when oil pump actuating mechanism 7 moves to end position when static, equalizing gear 4 still can rotate centered by rotating shaft 1.

Stop gear comprises Limit screw 12.On oil pump, be wholely set upwardly extending the 3rd flange 5c, Limit screw 12 is fixed on the 3rd flange 5c by stop nut 13.In oil pump actuating mechanism 7, be provided with the limiting section 7a relative with Limit screw 12, in the time that oil pump actuating mechanism 7 makes oil pump piston 5e move to end position, Limit screw 12 contacts with limiting section 7a.The end that Limit screw 12 is relative with limiting section 7a is set to round end, and therefore, a little overload appears in tolerable rocking arm.

According to Vehicle Driving Cycle road conditions, drg service condition etc., can, by adjusting the relative position of stop nut 13 and Limit screw 12, allow forward and backward drg reach best synchronous braking, gradual braking effect.

On two-wheel car, be hinged with rear brake pedal 19, the other end that rear brake pedal 19 is ridden is relatively connected with the second drag-line 20.The lower end of brake rod 10 is arranged at intervals with the first braking pin shaft support 10a, the second braking pin shaft support 10b, the 3rd braking pin shaft support 10c and the 4th braking pin shaft support 10d.The first braking pin shaft support 10a, the second braking pin shaft support 10b, the 3rd braking pin shaft support 10c and the 4th braking pin shaft support 10d are provided with relative bar hole 21.In the bar hole of the first braking pin shaft support 10a and the second braking pin shaft support 10b, be provided with the first braking pin shaft 22a, in the bar hole of the 3rd braking pin shaft support 10c and the 4th braking pin shaft support 10d, be provided with the second braking pin shaft 22b, the first braking pin shaft 22a is connected with the first drag-line 6; The second braking pin shaft 22b is connected with the second drag-line 20.The diameter of the first braking pin shaft 22a and the second braking pin shaft 22b is all less than the length of bar hole 21.Because the first braking pin shaft 22a and the second braking pin shaft 22b can rotate freely in corresponding bar hole 21, therefore the first drag-line 6 and the second drag-line 20 there will not be twisted phenomena, thereby drag-line motion is more smooth, operates lighter.

Under initial condition shown in Fig. 5, Fig. 6 and Fig. 7, when linkage braking device work, driver's bar handle 2, handle 2 is 1 rotation around the shaft, band dynamic balance weight 15 rotates, thereby the drag-line pin 23 that drives rotary type to be arranged on balance block 15 the latter halfs pulls the first drag-line 6, the first drag-lines 6 to pull bulging braking bar 10, reach the stop effect of 200 brakings of Back-braking drum.Also can step on rear brake pedal 19 with pin, rear brake pedal 19 is rotated, thereby drive the second drag-line 20 to pull brake rod 10, make trailing wheel braking.

When balance block 15 rotates, balance block 15 the first half cylinder 15a drive rocking arm front end, make rocking arm 1 rotation around the shaft, thereby make rocking arm back-end contacts promote oil cylinder piston 5e, allow oil cylinder 5 inside brake oil enter in brake pump 17, the piston that promotes brake pump 17 with this clamps brake disc 18, reaches the effect of disc brake 100 front brakings.

Because the stroke of disc brake oil cylinder braking is shorter, therefore in the situation that the first drag-line 6 does not make brake rod 10 pull to put in place completely; the back-end contacts of rocking arm has made oil pump piston 5e move to end position; as shown in Fig. 9, Figure 10 and Figure 11; therefore; limiting section 7a and Limit screw 12 are set to stop rocking arm further to move, thus reliability and the service life of improving oil pump; Simultaneously, because the cylinder 15a place on the corresponding balance block of rocking arm 15 tops is provided with the circular arc 7b of evagination, therefore, in the time that the handle 2 of further holding with a firm grip makes handle 2 continue rotation, as shown in Figure 12, Figure 13 and Figure 14, balance block 15 will further be followed rotation, thereby make the first drag-line 6 strain brake rod 10, but make to keep rocking arm in relatively static state.

After braking, release handle 2, makes handle 2 and balance block 15 be returned to initial condition, and meanwhile, rocking arm, under the effect of disc brake oil cylinder 5 retracing spring (not shown)s, is returned to initial condition.

More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technical personnels are in the art complied with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in by the determined protection domain of claims.

Claims (1)

1. an interlock brake pump housing, is characterized in that: the front portion of the relative vehicle of described housing is provided with the 4th flange (5d); On described the 4th flange (5d), be provided with drag-line mounting hole (5f);

On described housing, one is arranged at intervals with the first flange (5a) and the second flange (5b); The upper correspondence of the first flange (5a) and the second flange (5b) is provided with rotating shaft mounting hole;

On described housing, be wholely set upwardly extending the 3rd flange (5c); On described the 3rd flange (5c), be provided with position-limited lever mounting hole.