CN2289714Y - Vehicle hydraulic braking safety device - Google Patents
Vehicle hydraulic braking safety device Download PDFInfo
- Publication number
- CN2289714Y CN2289714Y CN 97212443 CN97212443U CN2289714Y CN 2289714 Y CN2289714 Y CN 2289714Y CN 97212443 CN97212443 CN 97212443 CN 97212443 U CN97212443 U CN 97212443U CN 2289714 Y CN2289714 Y CN 2289714Y
- Authority
- CN
- China
- Prior art keywords
- electromagnetic valve
- electrically connected
- valve seat
- housing
- piston
- 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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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model relates to a vehicle braking device, particularly a vehicle hydraulic braking safety device. The utility model solves the problem that when the braking device does not work, an oil passage is immediately closed, an engine is stopped working, and a warning light sends alarm. The utility model is composed of a pressure inductor, an electromagnetic valve, and the warning light. The pressure inductor and a brake master cylinder are connected through a three-way pipe; a binding post on the pressure inductor is respectively and electrically connected with a switch, the electromagnetic valve, and the warning light; the electromagnetic valve and the warning light are electrically connected though an earth wire; the electromagnetic valve is respectively connected with an oil tank in the vehicle and the oil passage pipeline of an oil pump. The utility model is sensitive and reliable, suitable for various vehicle hydraulic braking systems.
Description
The utility model relates to Vehicular brake device, particularly the hydraulic vehicle braking safety device.
At present, brake system of car has two classes, and a class is a Pneumatic braking system, and another kind of is hydraulic brake system.Pneumatic braking system has safety device such as barometric minimum warning value on energy-storaging spring drg and the air-pressure gauge.And at home and abroad there is no the safety device of hydraulic brake system, especially it is great that small-sized automobile accounts for the ratio of whole auto-industry in, along with town and country auto transport rapid growth, to cause traffic accident of common occurrence owing to reasons such as the quality of chaufeur and road conditionss, so set up the automobile braking safety device, the generation that avoids traffic accident, convenient for maintaining becomes the task of top priority.
The purpose of this utility model provides the hydraulic vehicle braking safety device, the alerting driver brake system of car has fault immediately, and can stop vehicle to continue automatically, the generation that avoids traffic accident, clearly show simultaneously deceleration and stopping performance guilty culprit position, convenient for maintaining again.
The utility model is finished as follows: have the piston/cylinder end of pressure inductor to be threaded with it at the master brake cylinder exit of automobile tee connection, binding post on this inductor has 2, one is electrically connected with switch, and another is electrically connected with electromagnetic valve binding post and alert lamp respectively.One of magnet coil in the electromagnetic valve is electrically connected with binding post, and one is electrically connected with the electromagnetic valve frame ground.Another root of alert lamp power lead is electrically connected with grounding jumper in the car.The electromagnetic valve valve seat respectively with car in fuel tank be connected with the oil pump oil line pipe.Constitute braking safety device on the whole.
When faults such as air or braking liquid seepage are arranged in the hydraulic brake system, hydraulic pressure drops to the initial tension of spring that is lower than on the pressure inductor piston in the system, make push rod drive contact disc so spring stretches, thereby make annular contact and fixed touch plate closure on the dish, circuit is connected, so alert lamp is bright, electromagnetic valve work is simultaneously inhaled moving core bar and is driven the valve closing oil circuit, makes engine stoping operation, parking of automobile avoids the parking accident to take place.Also when judging the brake efficiency fault, conclude fault in hydraulic efficiency pressure system, the very fast trouble point of finding out exactly, trouble-shooting rapidly with this for service worker.
Said pressure inductor is that the piston/cylinder inner chamber is equipped with leather cup, piston, tappet, and spring housing has adjuster plug to be threaded with the piston guide body on tappet above the spring.Piston guide body and cylinder body are tightly connected, and seal ring is installed in the junction, on the tappet external part contact disc are installed, and the nut captive joint is arranged.Annular contact is installed on the contact disc to electrically contact with the fixed touch plate that is installed on the insulating cove.Insulating cove and piston guide body are fastenedly connected, and binding post is installed on the insulating cove, and are electrically connected with the fixed touch plate lead.
Said electromagnetic valve is that housing is connected with valve base sealing, and core bar passes housing inner chamber and valve seat vestibule, and the end that core bar stretches to valve seat is equipped with valve, and end and nut are fastenedly connected, and plug screw is threaded with valve seat.The housing inner chamber is equipped with magnet coil, and core bar is movable the cooperation in the magnet coil mesopore, and core bar step top is with spring, binding post and insulating cove and housing is housed on the insulating cove is fastenedly connected, and housing stretches in the vestibule of valve seat and is provided with seal ring.
The valve seat vestibule and the valve of said electromagnetic valve is to open and close to cooperate.
The utility model has following advantage: 1, can be when hydraulic efficiency pressure system break down, and sensitivity is reliable, sends alerting signal immediately and makes automobile stop to travel.2, easy to maintenance, the failure judgement position can be provided exactly.3, the small volume structure simple general-purpose is strong, is fit to various hydraulic braking system for automobile, and need not changes original equipment, and is equipped easily.
Further describe embodiment below in conjunction with accompanying drawing.
Fig. 1 is the cutaway view of pressure inductor.
Fig. 2 is the cutaway view of electromagnetic valve.
Fig. 3 is a circuit interconnect pattern.
With reference to Fig. 1, the utility model is made of pressure inductor, electromagnetic valve and alert lamp three.Fig. 1 is the structure situation of pressure inductor, and piston/cylinder wherein (14) end is threaded with master brake cylinder exit tee connection on the automobile, and hydraulic pressure can be come in by piston/cylinder (14) transmission in the master brake cylinder.The binding post of pressure inductor (1) has 2, and one is electrically connected with switch, and another is electrically connected with electromagnetic valve binding post (21) and alert lamp respectively.Leather cup (13), piston (12), tappet (10) are housed in piston/cylinder (14) inner chamber, piston (12) is fastenedly connected with tappet (10), spring (9) is enclosed within on the tappet (10), and adjuster plug (7) is arranged above the spring (9), and plug screw (7) is threaded with piston guide body (8).Piston guide body (8) is tightly connected with cylinder body (14), and seal ring (11) is installed in the junction.On tappet (10) external part contact disc (4) is installed, nut (3) captive joint is arranged on it.Electrically contact in the fixed touch plate (6) that annular contact (5) is installed and be installed on the insulating cove (2) on the contact disc (4), insulating cove (2) is fastenedly connected with piston guide body (8).Binding post (1) is installed on the insulating cove (2) and is electrically connected with fixed touch plate (6) lead.
With reference to Fig. 2, be the structure situation of electromagnetic valve, two of valve seat (28) respectively with car in fuel tank be connected with the oil pump oil line pipe.Housing (24) is tightly connected with valve seat (28), and core bar (26) passes housing (24) inner chamber and valve seat (28) vestibule.The end that core bar (26) stretches to valve seat (28) is equipped with valve (29), and end and nut (30) are fastenedly connected, and plug screw (31) is threaded with valve seat (28).Valve (29) is to open and close matching relationship with valve seat (28) vestibule.Valve seat (28) vestibule is circular, and then valve (29) is oblate cylindricality, and after magnet coil in the electromagnetic valve (23) circuit was connected, core bar (26) was sucked into, and then drives valve (29) and enters valve seat (28) vestibule, so close oil circuit.Magnet coil (23) is installed in housing (24) inner chamber, and core bar (26) step top is with spring (25), and core bar (26) is movable the cooperation in magnet coil (23) mesopore.Binding post (21) and insulating cove (22) are housed on the insulating cove (22) to be fastenedly connected with housing (24).Housing (24) stretches in the vestibule of valve seat (28) and is provided with seal ring (27).(23) one of magnet coils are electrically connected with its binding post (21) in the electromagnetic valve, and the other end is electrically connected with housing (24) ground connection, constitutes closed electric loop.
With reference to Fig. 3, be that binding post (21) circuit is connected interconnecting wiring diagram on binding post (1) and alert lamp and the electromagnetic valve on the pressure inductor.One of alert lamp power lead is electrically connected with binding post (1) on the pressure inductor, and another root is electrically connected with grounding jumper in the car.The circuit of alert lamp and electromagnetic valve is the relation of being connected in parallel.Magnet coil is according to 12 volts or 24 volts apolegamys of automobile-used rated voltage in alert lamp and the electromagnetic valve.
Claims (4)
1, hydraulic vehicle braking safety device, it is characterized in that pressure inductor is arranged, its piston/cylinder (14) end is connected with master brake cylinder exit tee connection spiral shell mosquito, (1) one of binding post on this inductor is electrically connected with switch, another is electrically connected with electromagnetic valve binding post (21) and alert lamp respectively: (23) one of magnet coils are electrically connected with binding post (21) in the electromagnetic valve, and one is electrically connected with electromagnetic valve housing (24) ground connection; Another root of alert lamp power lead is electrically connected with grounding jumper in the car; Solenoid valve seat (28) respectively with car in fuel tank be connected with the oil pump oil line pipe.
2, according to the said safety device of claim 1, it is characterized in that said pressure inductor is that piston/cylinder (14) inner chamber is equipped with leather cup (13), piston (12), tappet (10), piston (12) is fastenedly connected with tappet (10), spring (9) is enclosed within on the tappet (10), adjuster plug (7) is arranged above the spring (9), plug screw (7) is threaded with piston guide body (8) again, piston guide body (8) is tightly connected with cylinder body (14), seal ring (11) is installed in the junction, on tappet (10) external part contact disc (4) is installed, and nut (3) captive joint is arranged, annular contact (5) is installed on the contact disc (4) to electrically contact with the fixed touch plate (6) that is installed on the insulating cove (2), insulating cove (2) is fastenedly connected with piston guide body (8), binding post (1) is installed on the insulating cove (2), and is electrically connected with fixed touch plate (6) lead.
3, according to claim 1 or 2 said safety devices, it is characterized in that said electromagnetic valve is that housing (24) is tightly connected with valve seat (28), core bar (26) passes housing (24) inner chamber and valve seat (28) vestibule, the end that core bar (26) stretches to valve seat (28) is equipped with valve (29), end and nut (30) are fastenedly connected, and plug screw (31) is threaded with valve seat (28); Housing (24) inner chamber is equipped with magnet coil (23), core bar (26) is movable the cooperation in magnet coil (23) mesopore, core bar (26) step top is with spring (25), binding post (21) and insulating cove (22) and housing (24) are housed on the insulating cove (22) are fastenedly connected, housing (24) stretches in the vestibule of valve seat (28) and is provided with seal ring (27).
4,, it is characterized in that valve seat (28) vestibule of electromagnetic valve is to open and close to cooperate with valve (29) according to the said safety device of claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97212443 CN2289714Y (en) | 1997-03-15 | 1997-03-15 | Vehicle hydraulic braking safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97212443 CN2289714Y (en) | 1997-03-15 | 1997-03-15 | Vehicle hydraulic braking safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2289714Y true CN2289714Y (en) | 1998-09-02 |
Family
ID=33930572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97212443 Expired - Fee Related CN2289714Y (en) | 1997-03-15 | 1997-03-15 | Vehicle hydraulic braking safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2289714Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100354167C (en) * | 2004-10-12 | 2007-12-12 | 丰田自动车株式会社 | Braking controller and its fault diagnostic method |
| CN102963349A (en) * | 2012-12-11 | 2013-03-13 | 四川制动科技股份有限公司 | Air brake fault alarm device for railway vehicle |
| CN109296595A (en) * | 2018-12-06 | 2019-02-01 | 武汉理工大学 | A kind of full-automatic emergency brake of mining industry hoolivan |
-
1997
- 1997-03-15 CN CN 97212443 patent/CN2289714Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100354167C (en) * | 2004-10-12 | 2007-12-12 | 丰田自动车株式会社 | Braking controller and its fault diagnostic method |
| CN102963349A (en) * | 2012-12-11 | 2013-03-13 | 四川制动科技股份有限公司 | Air brake fault alarm device for railway vehicle |
| CN102963349B (en) * | 2012-12-11 | 2015-01-07 | 四川制动科技股份有限公司 | Air brake fault alarm device for railway vehicle |
| CN109296595A (en) * | 2018-12-06 | 2019-02-01 | 武汉理工大学 | A kind of full-automatic emergency brake of mining industry hoolivan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |