CN2238173Y - Emergency brake for car - Google Patents
Emergency brake for car Download PDFInfo
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- CN2238173Y CN2238173Y CN 95228413 CN95228413U CN2238173Y CN 2238173 Y CN2238173 Y CN 2238173Y CN 95228413 CN95228413 CN 95228413 CN 95228413 U CN95228413 U CN 95228413U CN 2238173 Y CN2238173 Y CN 2238173Y
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Abstract
The utility model relates to an emergency brake for cars, which solves the problem of braking after release of a car during running when a running brake system is failed. The device is characterized in that an inner partition board of a casing is provided with a hydraulic pump, an electronic controller and an electromagnetic oil return valve; electromagnetic coils in the hydraulic pump are electrically connected with an accumulator jar through the electronic controller and a control switch; the hydraulic pump is respectively connected with the electromagnetic oil return valve and a liquid path of a braking oil cylinder through oil pipes. Hydraulic pressure generated by the hydraulic pump driven by electromagnetism acts on the braking oil cylinder to generate braking after release, and thus traffic accidents caused by the failed running brake system of the car can be effectively avoided.
Description
The utility model belongs to the vehicular transport class, is specifically related to a kind of emergent brake for automobile.
According to International Standardization Organization [ISO] regulation, automobile must have four kinds of brake system, and promptly drive a vehicle brake system, emergency brake system, auxiliary braking system also have secondary braking sytem.
The car emergency brake system is that the assurance automobile still can be realized slowing down or stop and should be provided with under the situation that service braking system lost efficacy.Present service braking system mainly can be divided into three kinds of vapour-pressure type, hydraulic type and compound types.These three kinds of brake mode common characteristic are that energy supply device, control setup, driving device, the drg in the brake system all is combination in series.That is to say to lose efficacy in a place, whole brake system will be malfunctioning, and traffic accident very easily takes place.Therefore the configuration of car emergency brake system just seems very necessary.Known to the contriver, up to the present, it is blank that the car emergency brake system belongs to basically, do not dispose secondary braking sytem as yet on most automobiles, in case of long during apart from descending service braking system lost efficacy, the driver can only adopt the way of " robbing shelves ", just is converted to low gear rapidly by high speed gear, utilize the auxiliary braking effect of driving engine, stabilizing speed is used emergency brake system, i.e. " parking brake ", the speed of a motor vehicle is slowed down, reach the purpose of parking at last.If " robbing shelves " fails, variable gear deviates from not hang low gear from high speed gear, just become said " neutral gear ", it is very bad that situation just becomes, in the case, automobile has lost the auxiliary braking effect of driving engine, and the speed of a motor vehicle will be more and more faster, cause ouster le main situation at last, get into an accident.This " rob shelves " mode has introduction 108,109 pages the 232nd, 233 of Golden Shield press publishes in April, 1987 " automobile driver 1000 what if " book in what if.
At present, the research of car emergency brake system still is in the starting stage, has the vehicle of emergency brake function still rare.Known to the contriver, the Mitsubishi automobile is provided with a kind of wheel self-locking device, and when having only automobile brake air pressure to reach certain value, wheel is just rotatable, otherwise wheel " locking " automatically.This mode has its limitation, breaks down as the relevant position of automobile, must repair in the original place, wants to drag away motionless.
The disclosed a kind of the Yellow River of the 280th page of Figure 28-37 of " vehicle structure " book volume two JN162 type automobile pressure brake circuit scheme drawing that write by Jilin Industry University automobile teaching and research room, People's Transportation Press's publication in 1991, introduced a kind of double loop brake equipment, it is the lose-lose feed channel, two storage tanks, compressed air brake cylinder after dual-chamber brake and the combined type.The big component part of four in the running brake system just, have only control setup and driving device, adopted combined type, and on other device, as: energy supply device, drg are still the single loop mode, in case of braking under driving engine, Air compressor damage or the also unfounded situation of braking pressure, still can cause brake failure.Also have the brake facing excessive wear in the drg, also can cause brake failure under the serious situation about descending of friction moment.Have a large amount of automobiles in addition both at home and abroad now, owing to structural reason, also this device is installed in inconvenience additional.Particularly some small passenger cars owing to the volume reason, can not be installed so much storage tank and solve the emergency brake problem.Therefore car emergency braking problem remains on the present this level always, and the traffic accident that causes because of automobile brake is malfunctioning happens occasionally.
The purpose of this utility model, exactly in order to solve automobile in travelling under the situation that service braking system lost efficacy, prevent cross-up, cause the generation of disturbing accident and a kind of emergent brake for automobile that is independent of the running brake system of design-calculated, so that under the situation that service braking system lost efficacy, produce braking more effectively, with the generation of the traffic accident avoiding causing therefrom.Do following narration in conjunction with the accompanying drawings:
Accompanying drawing 1 is that the emergent brake for automobile energy supply device is faced structural representation;
Accompanying drawing 2 is emergent brake for automobile energy supply device plan structure scheme drawings;
Accompanying drawing 3 is that the emergent brake for automobile Hydraulic Pump is faced structural representation;
Accompanying drawing 4 is emergent brake for automobile Hydraulic Pump plan structure scheme drawings;
Accompanying drawing 5 is that emergent brake for automobile electromagnetism fuel-return valve is faced structural representation;
Accompanying drawing 6 is that the emergent brake for automobile brake cylinder is faced structural representation;
Accompanying drawing 7 is the whole connection diagrams of emergent brake for automobile.
A kind of emergent brake for automobile, it is characterized in that on shell [1] tank top plate Hydraulic Pump [3] being installed, electronic control package [4], electromagnetism fuel-return valve [5], receiver [2] is installed below, magnet coil [6] in the Hydraulic Pump [3] is electrically connected with electronic control package [4], electronic control package [4] is electrically connected with the automobile accumulator jar by master cock [7], the electromagnetism fuel-return valve is connected with Hydraulic Pump [3] liquid road by oil return pipe [8], the inlet valve [9] of Hydraulic Pump [3] is stretched in the braking liquid [10] in receiver [2], electromagnetism fuel-return valve [5] is communicated with by a side upright opening [45] and receiver [2] are interior, and Hydraulic Pump [3] is by delivery valve straight-through [12], oil outlet pipe [13] brake cylinder [14] the liquid road other with being installed in car side brake is connected.Shown in Figure 3 is the Hydraulic Pump of emergent brake for automobile, adopts an embodiment of the pluger type hydraulic pump of Electromagnetic Drive, and Hydraulic Pump can also be blade-type pump, the gear type pump of motor driven.
Said emergent brake for automobile, it is characterized in that: Hydraulic Pump [3] is by the pump housing [15], inlet valve [9], delivery valve [11], delivery valve leads directly to [12], plunger [16], plunger sleeve [17], magnet coil [6], soft iron [18], pan [19], retracing spring [20], coil case [21], flux sleeve [22] is formed, wherein: the pump housing [15] horizontal direction and vertical direction are respectively equipped with the hole of mutual perforation, the lower end in the right-hand member in horizontal direction hole and vertical direction hole, be respectively equipped with screw thread, in the horizontal direction left end hole, be installed with plunger sleeve [17], plunger sleeve [17] is equipped with delivery valve [11] in the right-hand member hole, right-hand member is equipped with delivery valve straight-through [12] by the screw element form, the right-hand member vertical direction also is provided with a boss [30], boss is provided with screw thread in [30], by hollow screw [29] oil return pipe [8] and the pump housing [15] right-hand member cavity [31] are connected, the lower end in vertical direction hole is equipped with inlet valve [9] by the screw element form.
There is screw thread said inlet valve [9] external diameter upper end, there is the different hole of diameter at the center, be provided with spool [23], spool stop collar [24] in the hole, inlet valve [9] upper end screw thread passes O-ring seals [25] and is connected with the pump housing [15] vertical direction hole lower thread, the lower end is provided with filtering net [26], and stretch below shell [1] in the braking liquid [10] in the receiver [2] inlet valve [9] lower end.
Said delivery valve [11] is made up of a cylinder and a cone, and cylinder axis is to being carved with the multiple tracks groove, and delivery valve [11] cylinder is placed in plunger sleeve [17] hole, and there is delivery valve spring [28] on the right-hand member top.
Said plunger [16] is a cylindrical element, and left end has a cake, is locked in soft iron [18] centre hole by spring collar [32], and right-hand member is placed in plunger sleeve [17] hole.
Said plunger sleeve [17] is a kind of shell-like member, and groove is arranged on the external diameter, and O-ring seals [33] is housed in the groove, and right-hand member radially is provided with the hole [34] that connects with inlet valve [9].
Said magnet coil [6] one ends are placed in the coil case [21], are provided with flux sleeve [22] and soft iron [18] in the hole, and pig-tail wire is electrically connected with electronic control package [4].
Said soft iron [18] is the conducting magnetic component that a cylinder and pan [19] are formed, and soft iron [18] right-hand member is pressed with retracing spring [20]
Said flux sleeve [22] is the goblet conducting magnetic component that a sleeve shape body and coil case [21] are formed, the left end external diameter of coil case [21] has screw thread, be connected with back cover [35] by screw thread, left end has groove in the hole, stud with spring collar [27] in the groove, the right side by bolted on the pump housing [15] left side.
Said emergent brake for automobile, it is characterized in that: electromagnetism fuel-return valve [5] is by valve body [36], electromagnetic valve coil [37], coil case [38], electromagnetic valve flux sleeve [43], T iron [47], push rod [48], oil return spool [39], oil return valve core spring [40] is formed, wherein: valve body [36] is provided with lateral aperture [46], lay oil return spool [39] in the hole, lateral aperture [46] left side is provided with an a little bit smaller slightly hole, the right side is provided with screw thread in the large diameter slightly hole, be connected with coil case [38] by screw thread, vertical direction is provided with two mutual parallel holes [44], [45], and by lateral aperture [46] perforation mutually, hole [44] is connected with oil return pipe [8] by screw thread, short tube [50] is equipped with in bottom, hole [45], and the hole of passing on shell [1] base plate connects with the receiver [2] of depositing braking liquid, valve body [36] by bolted on shell [1] base plate.
Said oil return spool [39] is a cylinder, and left end is a cone, and the cylinder middle part is provided with groove, is provided with O-ring seals [41] in the groove, and right-hand member is provided with a cake, and oil return spool [39] passes fuel-return valve spring [40] and is placed in valve body [36] lateral aperture [46].
Said coil case [38] is a kind of external diameter by the shell-like member that different-diameter is formed, two ends are respectively equipped with screw thread, the center is provided with the hole of different-diameter, lay oil return spool [39] in the left hole, lay electromagnetic valve coil [37], spring flange [42] in the right ports, electromagnetic valve flux sleeve [43] penetrates electromagnetic valve coil [37] centre hole, be fixed in coil case [38] centre hole by cooperation, coil case [38] is connected with valve body [36], electromagnetic valve back cover [51] respectively by screw thread, and electromagnetic valve coil [37] is electrically connected with accumulator jar by master cock [7].
Said T iron [47] is a kind of T shape conducting magnetic component that is placed in coil case [38] right-hand member, electromagnetic valve back cover [51], and the top, left side has cylindrical push rod [48], push rod [48] to pass electromagnetic valve flux sleeve [43] to withstand on oil return spool [39] right side.
That shown in Figure 6 is the embodiment that emergent brake for automobile is used in the other brake cylinder of pneumatic brake mode drg, also can be used in hydraulic type and the compound type brake system and use as actuating unit.
Said emergent brake for automobile, it is characterized in that brake cylinder [14] is made up of cylinder body [52], piston rod [53], piston rod retracing spring [54], catch bar [55], end cap [56], lock bolt [57], oil connector [58], blow off valve [59], protective cover [60], wherein:
Cylinder body [52] is the cup-shaped member that three through holes are arranged at a kind of bottom, two holes are provided with screw thread up and down, be threaded with oil connector [58], blow off valve [59] respectively, the rim of a cup external diameter is provided with screw thread, be connected with end cap [56] by screw thread, cylinder inner bore is laid piston rod [53], and the right side of cylinder body [52] is fastened with protective cover [60] by screw [65].
Said piston rod [53] is the shell-like member that a kind of external diameter is made up of different-diameter, the middle part external diameter is provided with groove, lay O-ring seals [61] in the groove, piston rod [53] centre hole right-hand member is provided with screw thread, is connected with catch bar [55], lock bolt [57] respectively by screw thread.
Said catch bar [55] is the T character form component that a cake body and cylinder are combined into, and right part is provided with screw thread, and the middle part is provided with groove, lays O-ring seals [62] in the groove, catch bar [55] is placed in piston rod [53] centre hole by screw thread.
Said end cap [56] is the goblet member that a kind of center is porose, an end has boss, be provided with screw thread in the rim of a cup, the cup bottom is provided with groove, is provided with O-ring seals [63] in the groove, end cap [56] is connected on the centre hole of automobile brake chamber bonnet [64], and the other end is threaded with cylinder body [52].
The said formation oil outlet pipe [13] and brake cylinder [14] liquid road bonded assembly oil connector [58] that is installed on the cylinder body [52] is connected with oil outlet pipe [13] by screw thread.
Said protective cover [60] is that a kind of oral area external diameter has edge, the foraminate cup-shaped member in bottom, is fastened on cylinder body [52] end face by screw [65].
When automobile driver finds that service braking system lost efficacy, can timely closed master cock [7], electromagnetic valve coil [37] in the electromagnetism fuel-return valve [5] continues, the sucked back left end of T iron [47], drive push rod [48], oil return spool [39] move to left, oil return spool [39] left end cone leans against on the line of lateral aperture [46] left end hole, and self-hydraulic pump [3] is sealed through the liquid road that oil return pipe [8] leads to receiver [2] in the future.Simultaneously electronic control package [4] is started working, and exports a series of square-wave pulses, drive in the Hydraulic Pump [3] magnet coil [6] for a moment electric, dead electricity for a moment.When electric magnet coil [6] produce magnetic field, soft iron [18] is sucked back, and plunger [16] moves to right, retracing spring [20] energy storage, to inject the braking liquid in plunger sleeve [17] centre hole in advance, be depressed into brake cylinder [14] through delivery valve [11], delivery valve straight-through [12], oil outlet pipe [13].When magnet coil [6] dead electricity, magnetic field disappears, and retracing spring [20] promotes soft iron [18] to move to left, and it is big that plunger sleeve [17] centre hole sealed volume becomes, and opens inlet valve [9] by negative pressure, and braking liquid is inhaled in plunger sleeve [17] centre hole.When magnet coil [6] once more when electric, soft iron [18] is sucked back again, plunger [16] moves to right, inlet valve [9] cuts out, braking liquid in the plunger sleeve [17] can only be opened delivery valve [11] through delivery valve straight-through [12], be depressed into brake cylinder [14], promoting piston rod [53] moves to left, the catch bar [55] that is contained in piston rod [53] left end head also together moves to left, leather cup and push rod [66] that promotion is contained in compressed air brake cylinder bonnet [64] lining move to left, promote braking adjusting arm, brake camshaft again, the brake facing that is contained on the brake shoes is come on the brake hubs inner headed face, produce brake action.Hydraulic Pump this moment [3] goes round and begins again, continuous working, constantly with brake fluid pressure to piston rod [53], the friction positive pressure on the brake facing progressively increases, the braking force that is produced also constantly increases, and forces automobile to stop getting off gradually, reaches the purpose of emergency brake.
After automobile stopped fully, the operation emergency brake system made car keep transfixion.This moment, closing control switch [7] quit work Hydraulic Pump [3].Electromagnetic valve coil [37] dead electricity in the while electromagnetism fuel-return valve [5], the electromagnetic attraction that acts on the push rod [48] disappears, under the effect of oil return valve core spring [40], move to right, head on oil return spool [39] and move to right, the path that leads to receiver [2] is opened, and the hydraulic coupling that acts on the piston rod [53] disappears, under the effect of piston rod retracing spring [54], piston rod [53] is resetted, act on the power complete obiteration on the brake facing, the brake off state.Braking liquid turns back in the receiver [2] and stores, and whole emergent brake for automobile restPoses standby.
Blow off valve [59] drains air setting for whole liquid-way system.Because the compressibility of gas requires in the liquid-way system of emergent brake for automobile, do not allow air and exist, so establish this valve.When first dress, open blow off valve [59], close after making braking liquid be full of whole liquid-way system, to guarantee the normal use of whole emergent brake for automobile.
Master cock [7] is a kind of double-pole single throw, one road control electronic control package [4], and one tunnel Control of Automobile brake lamp [67] is to bring into play its original effect.
Because emergent brake for automobile is except that drg, be totally independent of the running brake system, and the energy of this device is taken from automobile power source again, and automobile power source is by accumulator jar and the dual supply of electrical generator, and this will guarantee the reliability and the promptness of the energy supply device in the emergency brake device greatly.Be equipped with automobile brake sheet wear limit annunciator again in car brake, the reliability of whole car emergency brake system will improve greatly.And this device volume is less, but cart, dolly, towed vehicle, trac. adapted all has bigger field of application.After the enforcement, can avoid the traffic accident of losing efficacy and to cause effectively, for vehicle safety travel provides new guarantee because of service braking system.
Claims (4)
1, a kind of emergent brake for automobile, it is characterized in that: on shell [1] tank top plate Hydraulic Pump [3] is installed, electronic control package [4], electromagnetism fuel-return valve [5], receiver [2] is installed below, magnet coil [6] in the Hydraulic Pump [3] is electrically connected with electronic control package [4], electronic control package [4] is electrically connected with the automobile accumulator jar by master cock [7], electromagnetism fuel-return valve [5] is connected with Hydraulic Pump [3] liquid road by oil return pipe [8], the inlet valve [9] of Hydraulic Pump [3] is stretched in the braking liquid in receiver [2], electromagnetism fuel-return valve [5] is communicated with by a side upright opening [45] and receiver [2] are interior, and Hydraulic Pump [3] is by delivery valve straight-through [12], oil outlet pipe [13] brake cylinder [14] the liquid road other with being placed in car side brake is connected.
2, according to the said emergent brake for automobile of claim 1, it is characterized in that: Hydraulic Pump [3] is made up of the pump housing [15], inlet valve [9], delivery valve [11], delivery valve straight-through [12], plunger [16], plunger sleeve [17], magnet coil [6], soft iron [18], pan [19], retracing spring [20], coil case [21], flux sleeve [22], wherein:
A, the pump housing [15] horizontal direction and vertical direction are respectively equipped with the hole of mutual perforation, the lower end in the right-hand member in horizontal direction hole and vertical direction hole, be respectively equipped with screw thread, in the horizontal direction left end hole, be installed with plunger sleeve [17], plunger sleeve [17] is equipped with delivery valve [11] in the right-hand member hole, right-hand member is equipped with delivery valve straight-through [12] by the screw element form, the lower end in vertical direction hole is equipped with inlet valve [9] by the screw element form, the right-hand member vertical direction also is provided with a boss [30], boss is provided with screw thread in [30], by hollow screw [29] oil return pipe [8] and the pump housing [15] right-hand member cavity [31] is connected;
There is screw thread b, inlet valve [9] external diameter upper end, there is the different hole of diameter at the center, be provided with spool [23], spool stop collar [24] in the hole, inlet valve [9] upper end screw thread passes O-ring seals [25] and is connected with the pump housing [15] vertical direction hole lower thread, the lower end is provided with filtering net [26], and stretch below shell [1] in the braking liquid [10] in the receiver [2] inlet valve [9] lower end;
C, delivery valve [11] are made up of a cylinder and a cone, and cylinder axis is to being carved with the multiple tracks groove, and delivery valve [11] cylinder is placed in plunger sleeve [17] hole, and there is delivery valve spring [28] on the right-hand member top;
D, plunger [16] are cylindrical elements, and left end has a cake, are locked in soft iron [18] centre hole by spring collar [32], and right-hand member is placed in plunger sleeve [17] hole;
E, plunger sleeve [17] are a kind of shell-like members, and groove is arranged on the external diameter, and O-ring seals [33] is housed in the groove, and right-hand member radially is provided with the hole [34] that connects with inlet valve [9];
F, magnet coil [6] one ends are placed in the coil case [21], are provided with flux sleeve [22] and soft iron [18] in the hole, and pig-tail wire is electrically connected with electronic control package [4];
G, soft iron [18] are the conducting magnetic components that a cylinder and pan [19] are formed, and soft iron [18] right-hand member is pressed with retracing spring [20];
H, flux sleeve [22] are the goblet conducting magnetic components that a sleeve shape body and coil case [21] are formed, the left end external diameter of coil case [21] has screw thread, be connected with back cover [35] by screw thread, left end has groove in the hole, stud with Spring Card figure [27] in the groove, the right side by bolted on the pump housing [15] left side;
3, according to the said emergent brake for automobile of claim 1, it is characterized in that: electromagnetism fuel-return valve [5] is made up of valve body [36], electromagnetic valve coil [37], coil case [38], electromagnetic valve flux sleeve [43], T iron [47], oil return spool [39], oil return valve core spring [40], wherein:
A, valve body [36] are provided with lateral aperture [46], lay oil return spool [39] in the hole, lateral aperture [46] left side is provided with an a little bit smaller slightly hole, the right side is provided with screw thread in the large diameter slightly hole, be connected with coil case [38] by screw thread, vertical direction is provided with two mutual parallel hole [44], [45], and by lateral aperture [46] perforation mutually, hole [44] is connected with oil return pipe [8] by screw thread, short tube [50] is equipped with in bottom, hole [45], and the hole of passing on shell [1] base plate connects with the receiver [2] of depositing braking liquid, valve body [36] by bolted on shell [1] base plate;
B, oil return spool [39] are a cylinder, and left end is a cone, and the cylinder middle part is provided with groove, is provided with O-ring seals [41] in the groove, and right-hand member is provided with a cake, and oil return spool [39] passes oil return valve core spring [40] and is placed in valve body [36] lateral aperture [46];
C, coil case [38] are a kind of external diameters by the shell-like member that different-diameter is formed, two ends are respectively equipped with screw thread, the center is provided with the hole of different-diameter, lay oil return spool [39] in the left hole, lay electromagnetic valve coil [37], spring flange [42] in the right ports, electromagnetic valve flux sleeve [43] penetrates electromagnetic valve coil [37] centre hole, be fixed in coil case [38] centre hole by cooperation, coil case [38] is connected with valve body [36], electromagnetic valve back cover [51] respectively by screw thread, and electromagnetic valve coil [37] is electrically connected with accumulator jar by master cock [7];
D, T iron [47] are a kind of T shape conducting magnetic components that is placed in coil case [38] right-hand member, electromagnetic valve back cover [51], and the top, left side has cylindrical push rod [48], push rod [48] to pass electromagnetic valve flux sleeve [43] to withstand on oil return spool [39] right side.
4, according to the said emergent brake for automobile of claim 1, it is characterized in that: brake cylinder [14] is made up of cylinder body [52], piston rod [53], piston rod retracing spring [54], catch bar [55], end cap [56], locking nut [57], oil connector [58], blow off valve [59], protective cover [60], wherein:
A, cylinder body [52] are the cup-shaped member that three through holes are arranged at a kind of bottom, two holes are provided with screw thread up and down, be threaded with oil connector [58], blow off valve [59] respectively, the rim of a cup external diameter is provided with screw thread, be connected with end cap [56] by screw thread, cylinder inner bore is laid piston rod [53], and the right side of cylinder body [52] is fastened with protective cover [60] by screw [65];
B, piston rod [53] are the shell-like members that a kind of external diameter is made up of different-diameter, the middle part external diameter is provided with groove, lay O-ring seals [61] in the groove, piston rod [53] centre hole right-hand member is provided with screw thread, is connected with catch bar [55], locking screw inspection [57] respectively by screw thread;
C, catch bar [55] are the T character form components that is combined into by a cake body and cylinder, and right part is provided with screw thread, and the middle part is provided with groove, lay O-ring seals [62] in the groove, and catch bar [55] is placed in piston rod [53] centre hole by screw thread;
D, end cap [56] are that a kind of center is porose, and an end has the goblet member of boss, is provided with screw thread in the rim of a cup, the cup bottom is provided with groove, be provided with O-ring seals [63] in the groove, end cap [56] is connected on the centre hole of automobile brake chamber bonnet [64], and the other end is threaded with cylinder body [52];
E, be installed in formation oil outlet pipe [13] and brake cylinder [14] liquid road bonded assembly oil connector [58] on the cylinder body [52], be connected with oil outlet pipe [13] by screw thread;
F, protective cover [60] are that a kind of oral area external diameter has edge, the foraminate cup-shaped member in bottom, are fastened on cylinder body [52] end face by screw [65].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95228413 CN2238173Y (en) | 1995-11-19 | 1995-11-19 | Emergency brake for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95228413 CN2238173Y (en) | 1995-11-19 | 1995-11-19 | Emergency brake for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2238173Y true CN2238173Y (en) | 1996-10-23 |
Family
ID=33873977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95228413 Expired - Fee Related CN2238173Y (en) | 1995-11-19 | 1995-11-19 | Emergency brake for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2238173Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832420A (en) * | 2014-03-31 | 2014-06-04 | 舒中清 | Compensation brake device |
-
1995
- 1995-11-19 CN CN 95228413 patent/CN2238173Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832420A (en) * | 2014-03-31 | 2014-06-04 | 舒中清 | Compensation brake device |
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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 |