CN201376551Y - Automobile foot brake antitheft control device - Google Patents

Abstract

The utility model relates to an automobile foot brake antitheft control device, which comprises a slide core type non-return valve and a rotation plane cam trigger, wherein the slide core type one-way valve is connected with the rotation plane cam trigger. The slide core type one-way valve body has two valve chambers. A valve stem with an elastic spool is inlaid at the lower end in each valve chamber. A valve seat is arranged at the lower end of the valve chamber. A liquid inlet and a liquid outlet are respectively arranged on the two sides of the valve seat of the valve chamber. The rotation plane cam trigger includes a motor, a speed reducer and a circular plate rotation plane cam. Two cam curves are arranged on the rotation plane cam. The upper ends of the two valve stems are two driven pieces of the rotation plane cam. A locating slot and a locating pin which are matched with each other are arranged between the rotation plane cam and the valve body. The device can be installed on an automobile, work with a travel switch and a remote switch to keep the foot brake of the automobile in braking state and in brake release locked state, and keep the clutch of the automobile in separation state and separation release locked state to prevent the automobile from being stolen or robbed. The utility model has the advantage of good guard performance against robbery and theft.

Description

Automobile main brake anti-theft control device

Technical field

The utility model relates to a kind of automobile main brake anti-theft control device, particularly a kind of main brake hydraulic tubing by-pass valve control and actuating device thereof of automobile main brake anti-theft control device.

Background technology

Stolen incident takes place during automobile parking sometimes, stolen when parking in order to prevent automobile, can be on automobile the vehicle anti-theft control device of installation and control main brake oil circuit.In the prior art, disclose a kind of automobile anti-theft main brake control device in the Chinese patent 200810010454.1, automobile anti-theft main brake control device has continuous slide core formula check valve and cam-type flip-flop multivibrator.The oil inlet of slide core formula check valve has outer filling type valve seat, and the valve rod of slide core formula check valve has annular boss, and the U-shaped seal ring is arranged between the annular boss of valve rod and the valve body; The actuating device of cam-type flip-flop multivibrator is an electromagnet, and the cam-type flip-flop multivibrator has edge type strainer and stage casing triggering axle along peripheral groove is arranged, the side of edge type strainer and following gear and ratchet transmission and location arranged respectively.This automobile anti-theft main brake control device has following deficiency:

1. the oil inlet valve seat of slide core formula check valve is outer filling type valve seat, and valve seat should be to have the better valve member that cooperates with spool, and outer filling type valve seat installation site is influenced by the installation of oil inlet, cooperates badly often, makes the poor sealing performance of slide core formula check valve;

2. the back segment of slide core formula check valve valve rod has the annular boss that matched with body cavity, have on the annular boss of valve rod and valve body between the U-shaped seal ring, during use, the area of thrust surface of valve rod are bigger, make valve rod be subjected to bigger power towards binary pair, the valve rod back segment is that reliability of positioning is poor with thin snap ring location at body cavity, bigger fragile under the power effect of binary pair:

3. trigger structure complexity, the solenoid actuated poor reliability.

Summary of the invention

The purpose of this utility model is in order to overcome above-mentioned deficiency, propose a kind of slide core formula check valve good seal performance, the valve rod location is reliable, trigger structure is simple, drive reliability high automobile main brake anti-theft control device.

The utility model is realized with the following method.

Automobile main brake anti-theft control device has continuous slide core formula check valve and the electronic binary pair of rotational plane cam-type,

Slide core formula check valve has the cube valve body, circular groove is arranged above the valve body, the bottom surface of circular groove is top parallel with valve body, two ladder circular hole body cavities vertical with the circular groove bottom surface are arranged in the valve body of circular groove bottom surface, the epimere internal diameter of body cavity is greater than the hypomere internal diameter, there is valve seat the lower end of body cavity, the lower end of body cavity is connected with liquid-inlet, the hypomere of body cavity is connected with liquid outlet, the body cavity valve rod that can slide up and down, there is round ring boss the centre of valve rod, the epimere of body cavity has negative thread, is rotary with plug on the negative thread, and valve rod hole is arranged on the plug, stretch out from the valve rod hole on the plug upper end of valve rod, between plug and the valve rod, seal ring is arranged respectively between plug and the valve body, and the lower end of valve rod is inlaid with the Elastic valve core that matches with valve seat, has between Elastic valve core and the valve rod to make Elastic valve core be subjected to stretching out vertically the spool coil spring of valve rod power, have between the boss of valve rod and the valve body and make valve rod be subjected to extending upwardly the coil spring of exerting oneself

The motor that the electronic binary pair of rotational plane cam-type has order to link to each other, retarder and circular plate type rotational plane cam, in the circular groove of rotational plane cam on valve body, the external diameter of rotational plane cam matches with the internal diameter of circular groove, circular groove sidewall above the rotational plane cam has circumferential groove, snap ring is arranged in the circumferential groove, there is axis hole at the axis place of rotational plane cam, the axle of motor links to each other with the input end of retarder, the mouth of retarder links to each other with the rotational plane camshaft hole, the bottom land of the following and circular groove of rotational plane cam offsets and connects, below the rotational plane cam, two independently cam profile curves are along the circumferential direction arranged, two valve rod upper ends that valve rod hole from plug stretches out are driven members of rotational plane cam, match with two independent rotation face cam profilographs respectively in its upper end, below the rotational plane cam arc positioning groove is arranged, the bottom land of circular groove has vertical with groove bottom and inserts the locating dowel pin of arc positioning groove below the rotational plane cam.

Two slide core formula check valves are arranged in the valve body of the present utility model, and two slide core formula check valves are connected with the electronic binary pair of rotational plane cam-type, and electronic binary pair has motor.In rotational plane cam when rotation,, the following arc positioning groove of rotational plane cam and the locating dowel pin of circular groove bottom land can make rotational plane cam forward rotation and backward rotation put in place, and motor can be connected with the master cock that forward rotation and backward rotation put in place.

The utility model can be used with the motor remote controller, the forward and the backward rotation of motor remote controller may command motor, and travel switch can be triggered when the rotational plane cam moves into place and stop the motor rotation.

During the motor forward rotation, rotational plane cam forward rotation, the valve rod that promotes two slide core formula check valves is to lower slider, Elastic valve core is against on the valve seat, rotational plane cam forward rotation puts in place, motor stops operating, be to trigger attitude at this moment, during the motor backward rotation, rotational plane cam backward rotation, the valve rod of two slide core formula check valves upwards slides because of the helical spring elastic force effect of valve rod, the valve rod upper end enters in the rotational plane cam profile curve, and Elastic valve core is lifted off a seat, and rotational plane cam backward rotation puts in place, motor stops operating, and is non-triggering attitude at this moment.With the spool of motor-driven slide core formula check valve and the clutch of valve seat, it is common by the opening and closing effect with valve that slide core formula check valve is had, and with remote controller the utility model is in and triggers attitude or non-triggering attitude.

When triggering attitude, the Elastic valve core of two slide core formula check valve valve rods is against on the valve seat, because the front end of valve rod is embedded with the Elastic valve core that matches with valve seat, have between Elastic valve core and the valve rod and make Elastic valve core be subjected to stretch out vertically the spool coil spring of valve rod power, when so spool is against on the valve seat, slide core formula check valve becomes check valve, and check valve only allows fluid flow to Way out from import, can not counter-flow.

The utility model can use on the automobile that the hydraulic booster brake is arranged.During installation, the utility model that is connected with the motor remote controller is installed on the auto body, and the utility model has two slide core formula check valves.Two slide core formula check valves are front and rear wheel main brake oil pipeline control cock, the import of front and rear wheel main brake oil pipeline control cock links to each other with the main brake oil pump of main brake oil pipeline, and the outlet of front and rear wheel main brake pipe-line control valve links to each other with the front and rear wheel oil brake.

During use, in the automobile normal running process, allow the utility model in non-triggering attitude, slide core formula check valve is opened, and slide core formula check valve is the passage of main brake pressure line, does not influence the normal operation of main brake during running car; After automobile is parked, allow the utility model trigger attitude, the spool of slide core formula check valve is against becomes check valve on the valve seat, in case the main brake pump by check valve after brake equipment is exerted pressure, can keep the required pressure that brakes between slide core formula check valve and the brake equipment, make automobile be in the main brake state always.After if the robbery of automobile experience is driven away by others, remote control the utility model is triggering attitude, and the people of robbery is in the process of driving, as long as step on brake pedal, automobile will keep the main brake state not travel always.

The utility model can be installed in the car engine cabinet, the combined with remote-control switch, can make the automobile main brake keep the brake lock-out state to conciliate the brake lock-out state of deaeration car owner brake, park the back or after automobile plundered at automobile, can make main brake keep braking state, prevent that automobile is by stolen and robbery.The utlity model has theft protection and anti-function of plundering, antitheft, anti-snatch performance is good.

Automobile anti-theft main brake control device contrast in the utility model and the above-mentioned prior art has following advantage:

1. the oil inlet valve seat of slide core formula check valve is built-in valve seat, and valve seat can have better the cooperation with spool, makes the good seal performance of slide core formula check valve;

2. annular boss is less on the slide core formula check valve valve rod, and during use, the area of thrust surface of valve rod are less, and the power towards binary pair that valve rod is subjected to is less, and the valve rod back segment is located with plug, and reliability of positioning is good;

3. trigger structure is simple, motor-driven reliability height.

Below in conjunction with accompanying drawing, the utility model is further described.

Description of drawings

Fig. 1 is that scheme drawing cuts open in the master office of looking of automobile main brake anti-theft control device;

Fig. 2 is the A-A cross-sectional schematic of Fig. 1;

Fig. 3 is that scheme drawing cuts open in the office of overlooking of Fig. 1;

Fig. 4 is the B-B cross-sectional schematic of Fig. 1;

Fig. 5 is the schematic top plan view of valve body among Fig. 1;

Fig. 6 is that the following cam profile curve of rotational plane cam cuts open scheme drawing along the office of circumference;

Fig. 7 is that the following arc positioning groove of rotational plane cam cuts open scheme drawing along the office of circumference;

Fig. 8 is that the master who triggers the vehicle anti-theft control device of attitude looks partial schematic sectional view;

Fig. 9 is that the master of the automobile main brake anti-theft control device when check valve is opened when triggering attitude looks partial schematic sectional view.

The specific embodiment

Among Fig. 1～Fig. 7, automobile main brake anti-theft control device has continuous slide core formula check valve 1 and the electronic binary pair 2 of rotational plane cam-type,

Slide core formula check valve has cube valve body 3, circular groove 4 is arranged above the valve body, the bottom surface 5 of circular groove and valve body top 6 parallel, two ladder circular hole body cavities 7 vertical with the circular groove bottom surface are arranged in the valve body of circular groove bottom surface, the epimere internal diameter of body cavity is greater than the hypomere internal diameter, there is valve seat 8 lower end of body cavity, the lower end of body cavity is connected with liquid-inlet 9, the hypomere of body cavity is connected with liquid outlet 10, the body cavity valve rod 11 that can slide up and down, there is round ring boss 12 centre of valve rod, the epimere of body cavity has negative thread, be rotary with plug 13 on the negative thread, valve rod hole 14 is arranged on the plug, stretch out from the valve rod hole on the plug upper end 15 of valve rod, between plug and the valve rod, seal ring 16 is arranged respectively between plug and the valve body, 17, the front end of valve rod is inlaid with the Elastic valve core 18 that matches with valve seat, have between Elastic valve core and the valve rod and make Elastic valve core be subjected to stretch out vertically the spool coil spring 19 of valve rod power, the coil spring 20 that makes valve rod be subjected to extending upwardly to exert oneself is arranged between the boss of valve rod and the valve body

The motor 21 that the electronic binary pair of rotational plane cam-type has order to link to each other, retarder 22 and circular plate type rotational plane cam 23, in the circular groove of rotational plane cam on valve body, the external diameter of rotational plane cam matches with the internal diameter of circular groove, circular groove sidewall above the rotational plane cam has circumferential groove 24, snap ring 25 is arranged in the circumferential groove, there is axis hole 26 at the axis place of rotational plane cam, the axle of motor links to each other with the input end of retarder, the output shaft 27 of retarder links to each other with the rotational plane camshaft hole, the bottom land of the following and circular groove of rotational plane cam offsets and connects, below the rotational plane cam, two independently cam profile curves 28 are along the circumferential direction arranged, two valve rod upper ends that valve rod hole from plug stretches out are driven members of rotational plane cam, match with two independent rotation face cam profilographs respectively in its upper end, arc positioning groove 29 is arranged below the rotational plane cam, and the bottom land of circular groove has vertical with groove bottom and inserts the locating dowel pin 30 of arc positioning groove below the rotational plane cam.

Above-mentioned slide core formula check valve is to be in non-triggering attitude, and spool is lifted off a seat, and valve rod rear end is in the rotational plane cam profile curve.Slide core formula check valve is when being in non-triggering attitude, to be passage between liquid-inlet and the liquid outlet, in motion can normal braking.

Among Fig. 8, slide core formula check valve is to be in the triggering attitude, and the valve rod upper end is rotated face cam and releases profilograph, and spool is close on the valve seat.

Being in the slide core formula check valve that triggers attitude is check valve, and check valve is opened from liquid-inlet Elastic valve core 18 when the liquid outlet direction flows at liquid, and liquid is closed from liquid outlet Elastic valve core 18 when the liquid inlet direction flows.

Among Fig. 9, slide core formula check valve is in when triggering attitude, lifts off a seat from liquid-inlet Elastic valve core 18 when the liquid outlet direction flows at liquid.

Claims (1)

1. a vehicle anti-theft control device has continuous slide core formula check valve and the electronic binary pair of rotational plane cam-type, it is characterized in that:

Slide core formula check valve has the cube valve body, circular groove is arranged above the valve body, the bottom surface of circular groove is top parallel with valve body, two ladder circular hole body cavities vertical with the circular groove bottom surface are arranged in the valve body of circular groove bottom surface, the epimere internal diameter of body cavity is greater than the hypomere internal diameter, there is valve seat the lower end of body cavity, the lower end of body cavity is connected with liquid-inlet, the hypomere of body cavity is connected with liquid outlet, the body cavity valve rod that can slide up and down, there is round ring boss the centre of valve rod, the epimere of body cavity has negative thread, is rotary with plug on the negative thread, and valve rod hole is arranged on the plug, stretch out from the valve rod hole on the plug upper end of valve rod, between plug and the valve rod, seal ring is arranged respectively between plug and the valve body, and the front end of valve rod is inlaid with the Elastic valve core that matches with valve seat, has between Elastic valve core and the valve rod to make Elastic valve core be subjected to stretching out vertically the spool coil spring of valve rod power, have between the boss of valve rod and the valve body and make valve rod be subjected to extending upwardly the coil spring of exerting oneself

The motor that the electronic binary pair of rotational plane cam-type has order to link to each other, retarder and circular plate type rotational plane cam, in the circular groove of rotational plane cam on valve body, the external diameter of rotational plane cam matches with the internal diameter of circular groove, circular groove sidewall above the rotational plane cam has circumferential groove, snap ring is arranged in the circumferential groove, there is axis hole at the axis place of rotational plane cam, the axle of motor links to each other with the input end of retarder, the mouth of retarder links to each other with the rotational plane camshaft hole, the bottom land of the following and circular groove of rotational plane cam offsets and connects, below the rotational plane cam, two independently cam profile curves are along the circumferential direction arranged, two valve rod upper ends that valve rod hole from plug stretches out are driven members of rotational plane cam, match with two independent rotation face cam profilographs respectively in its upper end, below the rotational plane cam arc positioning groove is arranged, the bottom land of circular groove has vertical with groove bottom and inserts the locating dowel pin of arc positioning groove below the rotational plane cam.

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