Washer for automobile head light
Technical field
The utility model relates to a kind of washer for automobile head light.
Background technology
For improving the safety performance of running, head lamp all is housed in all vehicle front both sides.But in the process of high speed traveling, the Lens surface of bilateral head lamp easily is stained with dirt and winged insect, causes breaking of light to penetrate, thereby influences driver and crew's sight line, even brings hidden danger to safety traffic.Therefore need one can the automated washing head lamp in running at high speed device.This is the configuration of a relatively more convenient and human nature, so the car load that European Union's rules and regulations are adorned xenon headlight must install the cleaning of the headlights system, and China relevant department also will put into effect relevant regulations in succession.
At present, external Headlamp cleaner R﹠D direction mainly is two kinds, and a kind of is to utilize hydraulic way to realize the headlight automatic cleaning function, and another kind is to adopt drive motor to realize the headlight automatic cleaning function in conjunction with the mode of hydraulic pressure.From two kinds of texture ratios: the fluid pressure type complex structural designs, and strict to parts and assembly production and processing technology; Drive motor formula structure requires relative simple to design and processing technology, but need respectively increase a drive motor on cleaning device, and independently motor control module controlling and driving motor need be arranged, and to compare productive costs higher with the fluid pressure type structure.
In addition, because the continuous variation of car load vehicle, for satisfying different clients' needs, the also corresponding increase of the part of Headlamp cleaner and structure, the increase that brings productive costs to assembly plant.Therefore, many car loads maker also wish to have a kind ofly can reduce manufacturing expense and simplify the structure, commonality is good, by adjusting the Headlamp cleaner that can be applied on the different vehicles.
Summary of the invention
The utility model is a kind of washer for automobile head light that provides for the shortcoming that overcomes above-mentioned prior art existence.This washer for automobile head light utilizes the space in original cage to install, and can be applicable to various vehicles by adjustment, have simple in structure, productive costs is low, highly versatile and the good advantage of cleaning performance.
The technical scheme that the utility model is taked is: washer for automobile head light, be arranged in the automobile front beam, and be connected with water pump with cleaning fluid tank; Described automobile front beam outside face is provided with mounting hole; Be characterized in that described washer for automobile head light comprises: body shell, be arranged on propulsion component in the body shell, parts and execution unit automatically reset;
Described body shell comprises that order connects bonded assembly execution unit set section, stroke limit section, propelling stroke section and inlet segment; The open front of described execution unit set section, the mounting hole that is provided with the automobile front beam surface docks; Described inlet segment wall is provided with an inlet opening, passes through by pipeline and cleaning fluid tank and water pump to connect;
Described propulsion component comprises piston mechanism and transfer bar mechanism; Wherein: described piston mechanism comprises cylinder sleeve, piston rod, water seal and water seal pressure ring; Described cylinder sleeve is embedded the propelling stroke section inwall in body shell; Described piston rod is located in the cylinder sleeve, and its front end extends in the stroke limit section of body shell, and its back segment is provided with position-arresting part; Described water seal gland outside piston rod, be positioned at position-arresting part after; After described water seal pressure ring is arranged on water seal, be connected with the piston rod rear end; Described water seal and water seal pressure ring can move forward and backward along inboard wall of cylinder liner, and link with piston rod; Described transfer bar mechanism comprises push rod and ram seat, and described push rod is set in place in the piston rod at stroke limit section position, and described ram seat is positioned at water seal pressure ring rear portion;
The described parts that automatically reset constitute by being set in the outer retracing spring of piston rod;
Described execution unit comprises sprinkling seat, feed pipe and shower head; Described sprinkling seat is located in the execution unit set section of body shell; Described feed pipe is installed in the piston rod inwall of the stroke limit section that is positioned at body shell, and the front end of this feed pipe connects with sprinkling seat and is connected; Described shower head is symmetrical to be arranged on the sprinkling seat, respectively towards two head lamps;
During work, start water pump, hydraulic pressure makes piston action, reaches outside the front bumper in the hole that sprinkling seat is provided with by the automobile front beam outside face under piston rod promotes, by the left and right sides shower head wash liquid is sprayed onto respectively on the vehicle right and left head lamp again, cleans head lamp; After quitting work, water pump cuts out, and hydraulic pressure is eliminated, and relies on the elastic force of retracing spring, and sprinkling seat is resetted, and is retracted in the hole of described automobile front beam outside face setting.
Above-mentioned washer for automobile head light, wherein, described reset components also comprises front spring seat and rear spring seat; Described front spring seat is made of the piston rod guide ring that extension is arranged on the stroke limit section inwall front end of body shell; Described rear spring seat is made of the position-arresting part leading flank of piston rod back segment setting; Described retracing spring front end is fixed on the front spring seat, and the rear end is fixed on the rear spring seat.
Above-mentioned washer for automobile head light wherein, also comprises a piston stroke stop gear, is made of the step in the propelling stroke section Inner Front End setting of the body shell that is positioned at cylinder sleeve the place ahead; After described piston rod was forwarded to desired location, the position-arresting part of this piston rod back segment was subjected to stopping of described step.
Above-mentioned washer for automobile head light wherein, comprises that also a ram seat separates registration device with the water seal pressure ring, and this separation registration device comprises a guide rod and a location mechanism; Described guide rod is arranged in the push rod, can slide in push rod, and the rear end of this guide rod is passed in the inlet segment that ram seat is connected in body shell; Described detent mechanism is by constituting at the boss of guide rod front end setting with at the locking bonded assembly groove that can cooperate with described boss of ram seat leading flank setting.
Above-mentioned washer for automobile head light, wherein, also comprise an initial hydraulic pressure assurance device, this initial hydraulic pressure assurance device is sleeved on the outer pagoda shape spring of guide rod that is positioned at the ram seat rear portion by one and constitutes, the larger diameter end of this pagoda shape spring is fixed on the inlet segment inwall of body shell, and its smaller diameter end is resisted against the ram seat outer end.
Above-mentioned washer for automobile head light, wherein, described two shower head appearances are spherical, are provided with two spherical cavity fabricated sections in the described sprinkling seat; Described two shower heads are separately positioned in separately the spherical cavity fabricated section, its be set to universal-joint being connected of spherical cavity fabricated section and connect; Be provided with outlet conduit in the middle of each shower head, connect with sprinkling seat.
Above-mentioned washer for automobile head light wherein, also comprises two pressure-modulation valves, is connected with separately shower head respectively, is positioned at the water inlet of shower head.
Above-mentioned washer for automobile head light, wherein, also comprise a mounting bracket, comprise the support framework and extend and be located at support framework oral area to the connecting portion that turns up, described support framework is embedded the execution unit set section inwall in body shell, described connecting portion retaining connects as one mounting bracket, bumper/spoiler and body shell by bolt in the outer, aperture that described automobile front beam outside face is provided with.
Above-mentioned washer for automobile head light wherein, also comprises a cover plate, covers on the mounting bracket oral area; Described cover plate inner face is captiveed joint with sprinkling seat, and links with sprinkling seat.
Above-mentioned washer for automobile head light, wherein, described sprinkling seat both sides respectively are provided with an adapter shaft, respectively be provided with connecting bore on a pair of engaging lug of described cover plate inner face setting, described connecting bore is enclosed within on the described adapter shaft, captives joint with sprinkling seat, and links with sprinkling seat.
The utility model is owing to adopted above technical scheme, and the technique effect of its generation is tangible:
1, whole cleaning device by body shell, be arranged on propulsion component in the body shell, automatically reset parts and execution unit and cleaning fluid tank and water pump constitute, it utilizes compression spring to reset and hydraulic pressure ejects the washer nozzle principle, make whole cleaner structure compactness, the assembling simple installation, the characteristics that not only have littler volume and parts still less, and mechanism's operation is more reasonable reliable.
2, for satisfying the different requirements of using vehicle, provide interchangeable mount scheme: utilize the outside face of front bumper facial bearing surface to be installed as the Headlamp cleaner housing, and the permanent seat of the mounting bracket of a coupling as housing being set at the bumper/spoiler face, the fixed support oral area is provided with a sprinkling seat and connects cover plate.During installation, clamp front bumper, fix with thread-forming screw then with the mounting bracket and the housing of front bumper coupling.Can under the prerequisite of not changing the overall product structure, realize and satisfy the functional requirement of assembly plant by changing the support and the housing curved surface size positions of part.This integral structure is simple, and commonality is good, can do different the adjustment according to the different automobile types needs, and comformability is strong.
3, shower head can be regulated the angle relative with head lamp according to light spot shape, to adapt to the different automobile types needs; Different intake pressures also can be regulated according to the different automobile types needs in shower head inside; The water inlet lid can be regulated installation according to entrucking different angles needs with the housing relative position.Inner structure is simple, produces a desired effect easily, and sealing property is reliable, good economy performance.
Description of drawings
Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the cutaway view of the overall structure of the utility model washer for automobile head light.
Fig. 2 is used to install the scheme drawing that mounting hole is set on the front bumper of the utility model washer for automobile head light.
Fig. 3 is the part exploded view (comprising cover plate) of the utility model washer for automobile head light.
Fig. 4 is that the utility model washer for automobile head light is installed in the block diagram in the front bumper.
The nozzle holder of execution unit reached the outer structural representation of automobile front beam when Fig. 5 was the action of the utility model washer for automobile head light.
The specific embodiment
See also Fig. 1~Fig. 3.Wherein Fig. 1 is the cutaway view of the overall structure of the utility model washer for automobile head light.Fig. 2 is used to install the scheme drawing that mounting hole is set on the front bumper of the utility model washer for automobile head light.Fig. 3 is the part exploded view (comprising cover plate) of the utility model washer for automobile head light.The utility model washer for automobile head light is arranged in the automobile front beam 100 by the mounting hole 101 that described automobile front beam 100 outside faces are provided with, and is connected with water pump 6 with cleaning fluid tank 5 by pipeline.This washer for automobile head light comprises body shell 1, be arranged on propulsion component 2 in the body shell, parts 3 and execution unit 4 automatically reset.
Described body shell 1 comprises execution unit set section 11, stroke limit section 12, propelling stroke section 13 and the inlet segment 14 that is linked in sequence; On the inlet segment wall, be provided with an inlet opening 141, pass through even by pipeline 142 and cleaning fluid tank and water pump.The water inlet of inlet segment can be provided with seal ring, makes it reliable with plumbing connection.Cleaning fluid tank described in the utility model can be provided with in addition, also can utilize existing cleaning fluid tank in the automobile.Present embodiment is a conserve space, described cleaning fluid tank 5 is to have utilized the existing cleaning fluid tank that is used to clean shield glass in the automobile, at this moment, at described cleaning fluid tank one outlet and a water pump need be set again, the inlet opening 141 that is provided with by pipeline and inlet segment wall is connected.For ease of part is installed, described body shell also can adopt split type, and connecting portion is shown in A among Fig. 1.
Propulsion component 2 described in the utility model comprises piston mechanism 21 and transfer bar mechanism 22; Wherein: described piston mechanism 21 comprises cylinder sleeve 211, piston rod 212, water seal 213 and water seal pressure ring 214; Described cylinder sleeve 211 is embedded propelling stroke section 13 inwalls in body shell; Described piston rod 212 is located in the cylinder sleeve 211, and the front end of this piston rod extends in the stroke limit section 12 of body shell, and the back segment of this piston rod is provided with position-arresting part 2121; Described water seal 213 is socketed in outside the piston rod 212, be positioned at position-arresting part after; After described water seal pressure ring 214 is arranged on water seal, be connected with the piston rod rear end; Described water seal and water seal pressure ring can move forward and backward along inboard wall of cylinder liner, and link with piston rod.
Described transfer bar mechanism 22 comprises push rod 221 and ram seat 222, and described push rod 221 is set in place in the piston rod 212 at stroke limit section position, and described ram seat 222 is resisted against water seal pressure ring 214 rear portions.223 is push rod plugs among the figure.
The described parts 3 that automatically reset constitute by being set in the outer retracing spring of piston rod; This reset components also comprises front spring seat 31 and rear spring seat 32; Described front spring seat 31 is made of the piston rod guide ring that extension is arranged on the stroke limit section inwall front end of body shell; Described rear spring seat 32 is made of the position-arresting part leading flank of piston rod back segment setting; Described retracing spring front end is fixed on the front spring seat, and the rear end is fixed on the rear spring seat.
Described execution unit 4 comprises sprinkling seat 41, feed pipe 42 and shower head 43.Wherein: sprinkling seat 41 is located in the execution unit set section 11 of body shell; Feed pipe 42 is installed in piston rod 212 inwalls of the stroke limit section that is positioned at body shell, and its front end connects with sprinkling seat and is connected.Described shower head 43 has two, symmetrical being arranged in the sprinkling seat, and respectively towards two head lamps.During work, described sprinkling seat reaches outside the automobile front beam, the water of two shower heads spray to respectively separately towards head lamp.In the present embodiment, described two shower head appearances are spherical, are provided with two spherical cavity fabricated sections 412 in the described sprinkling seat; Described two shower heads are separately positioned in separately the spherical cavity fabricated section, shower head 43 be set to universal-joint being connected of spherical cavity fabricated section 412 and connect, can adjust the water spray angle; In addition, also respectively comprise the control cock 44 of an adjustment pressure, be connected with separately shower head 43 respectively.Be provided with outlet conduit 431 in the middle of each shower head, connect with sprinkling seat 41.
See also Fig. 3 and Fig. 5.In the utility model washer for automobile head light, also comprise a mounting bracket 17 and one and the cover plate 19 of sprinkling seat interlock.Mounting bracket 17 comprises that support framework 171 and extension are located at support framework oral area to the connecting portion 172 that turns up.Under the general state, cover plate 19 covers on the mounting bracket oral area, with the bumper/spoiler appearance at same horizontal surface.Present embodiment is to take respectively to be provided with an adapter shaft 411 in described sprinkling seat both sides, described cover plate inner face is provided with a pair of engaging lug 191, respectively is provided with connecting bore 1911 on it, and described connecting bore 1911 is enclosed within on the described adapter shaft 411, captive joint with sprinkling seat, and link with sprinkling seat.
Please in conjunction with consulting Fig. 2 and Fig. 4, wherein Fig. 2 is used to install the scheme drawing that mounting hole is set on the front bumper of the utility model washer for automobile head light; Fig. 4 is that the utility model washer for automobile head light is installed in the block diagram in the front bumper.Be provided with mounting hole 101 at automobile front beam 100 outside faces, the support framework 171 of described mounting bracket 17 is passed this hole and is embedded execution unit set section 11 inwalls in body shell, the connecting portion 172 of described mounting bracket 17 docks with the outer, aperture of mounting hole, by bolt 18 mounting bracket 17, bumper/spoiler 100 is connected as one with body shell 1.During work, start water pump, hydraulic pressure makes piston rod action reach, the sprinkling seat of execution unit reaches outside the front bumper from the hole that described automobile front beam outside face is provided with under piston rod promotes, by about the shower head that is provided with wash liquid is sprayed onto respectively on the vehicle right and left head lamp, clean head lamp; After quitting work, water pump cuts out, and hydraulic pressure is eliminated, and relies on the elastic force of retracing spring, and sprinkling seat is resetted, and is retracted in the mounting hole that described automobile front beam outside face is provided with.
Please continue to consult Fig. 1, Fig. 5.In the utility model washer for automobile head light, also comprise a piston stroke stop gear 7, constitute by step 71 in the propelling stroke section front inner wall setting of the body shell that is positioned at cylinder sleeve the place ahead.After piston rod was forwarded to desired location, the position-arresting part of this piston rod back segment was subjected to stopping of this step, and sprinkling seat is just reached outside the automobile front beam, and formed best water spray angle with head lamp.
In the utility model washer for automobile head light, comprise that also a ram seat separates registration device with the water seal pressure ring, this separation registration device comprises a guide rod 81 and a location mechanism 82 (please cooperate referring to Fig. 5); Described guide rod 81 is arranged in the push rod, can slide in push rod, and the inlet segment inwall that ram seat is connected in body shell is passed in the rear end of this guide rod.Described detent mechanism 82 is by constituting at the boss 821 of guide rod front end setting with at the locking bonded assembly groove 822 that can cooperate with described boss of ram seat 222 leading flank settings.When ram seat promotion piston is advanced to certain position, be that push rod is advanced to the boss that makes the guide rod in the push rod and contact with the groove that the ram seat leading flank is provided with and form when locating, this ram seat is separated the guide rod of registration device with the water seal pressure ring boss stops ram seat and moves forward.And this moment, the pressure of water makes water seal pressure ring and piston rod continue reach, so, form the gap between ram seat and water seal pressure ring, wash liquid enters water seal from this gap, and then enters in the piston rod, feed pipe through execution unit enters sprinkling seat again, by arriving shower head again behind the control cock adjustment pressure, be sprayed onto head lamp, clean.
For guaranteeing that the utility model washer for automobile head light is at the initial stage of opening water pump, a sufficiently high water pressure pushing piston-advance is arranged in the inlet segment of body shell, in the utility model washer for automobile head light, also comprise an initial hydraulic pressure assurance device 9, this initial hydraulic pressure assurance device is sleeved on the outer pagoda shape spring of guide rod that is positioned at the ram seat rear portion by one and constitutes, the larger diameter end of this pagoda shape spring is fixed on the inlet segment inwall of body shell, and its smaller diameter end is resisted against the ram seat outer end.Under the general state, this pagoda shape spring is the compression shape; When opening water pump, wash liquid is along with water pump self-suction spinning moves, enter pipeline, this water pressure pushing the piston reach, at this moment, because the existence of pagoda shape spring, its elastic force makes ram seat be close on the water seal pressure ring in certain stroke all the time, guaranteed cleaning device in-to-in initial pressure, prepared for cleaning action in advance.
See also Fig. 5, the nozzle holder of execution unit reached the outer structural representation of automobile front beam when this was the action of the utility model washer for automobile head light.Principle of work of the present utility model is: when driver and crew opened the cleaning device switch, cleaning device water pump (present embodiment employing centrifugal pump) was opened, and starts working and draws water, and hydraulic pressure produces thereupon.The impeller work rotation of water pump produces a press belt, and (about 180KPa~300KPa), wash liquid is along with water pump self-suction spinning moves, and the inside that enters pipeline and cleaning device begins to clean in advance action and prepares.Wash liquid forwards by the inlet segment of pipeline by body shell under the effect of pressure, promotes ram seat, water seal pressure ring, water seal and piston rod and moves forward, and the elastic force of pagoda spring moves simultaneously and makes ram seat and water seal pressure ring closed contact at this moment.Behind the position of setting, under the effect of guide rod detent mechanism, ram seat stops to move, and hydraulic pressure continuation promotion piston rod moves forward, and nozzle holder is released outside the automobile front beam.The gap that produces between the ram seat of this moment and the water seal pressure ring makes wash liquid enter piston rod inside by water seal thereupon, enters shower head by sprinkling seat again, is sprayed onto on the car headlamp beginning cleaning.After quitting work, rely on the elastic force of retracing spring, sprinkling seat is retracted in the mounting hole of automobile front beam.
The utility model parts are few, compact conformation, and it is little to take the interior space of automobile cage, reliable in action, cleaning performance is good.And can highly versatile be installed according to different vehicle optimal designs.