CN201646654U - Brush arm assembly of windshield wiper for rapid train - Google Patents

Abstract

The utility model provides a brush arm assembly of a windshield wiper for a rapid train, which comprises a large brush arm, a small brush arm, a small brush arm lining plate, a front arm rod assembly and a cleaning assembly, wherein the large brush arm, the small brush arm and the front arm rod assembly are sequentially connected; the large brush arm and the small brush arm are connected by a pin, a trapezoidal rivet and a tension spring in a matching manner; the front arm rod assembly is fixedly connected with the small brush arm, and a brush sheet assembly is arranged on the front arm rod assembly; and the cleaning assembly comprises a nozzle, a cleaning rubber pipe, a sleeve and a nozzle installation plate. The brush arm assembly has the characteristics of compact structure, beautiful appearance, smooth line, good reliability and standard product as well as processing technique.

Description

The high speed train brush arm assembly of windshield wiper

Technical field

The utility model relates to a kind of brush arm assembly of windshield wiper, relates in particular to the brush arm assembly of windshield wiper of the vehicle configuration of high-speed cruising.

Background technology

Traditional windshield wiper, no matter be applicable to automobile or train, basic principle of work is roughly the same, all comprises Wiper arm assembly and Wiper blade.Wiper arm one end and connecting rod mechanism join, and can do pivoting action; Wiper blade is installed on the other end of Wiper arm assembly, but the wiper Windshield.Even be widely used in the various Frameless windshield wipers of automobile in recent years, that's about the size of it for mode of operation.Conventional improvement spininess for the mechanical strength of brush arm itself, Wiper blade to the flexible wiper of glass etc.

But when directly applying to traditional windshield wiper on the high speed train, problem before existing:

1, can't under high velocity environment, be suitable for: because existing windshield wiper side is solid construction, often can only under the situation of speed limit 150km/h, work well, when locomotive running speed during at 200km/h, air-flow that is produced and blast can make brush arm carry out the Windshield that rainwater strikes off from need to float, reduced the veneer tightness between Wiper blade and glass, influence brushes effect; Although the design that has some to consider the windshield wiper of high-speed cruising environment at present, such as the degree that compresses that increases Wiper blade, self adaptation spring steel plate etc. can't have the raising of matter all the time.

2, can't be suitable under the high strength environment: because existing windshield wiper design is all used in the speed less than 160km/h, when train to surpass 200km/h and run at high speed or high speed train rapidly moves even when approaching 350km/h, the intensity of air-flow and blast will raise rapidly, and traditional windshield wiper can fracture after the preceding armed lever assembly that be attached on the Windshield is floated because of high velocity air and powerful blast, thereby produces serious accident potential.

3, it is not smooth to blow the rain stroke: because existing windshield wiper brush arm is bigger with the weight ratio of preceding armed lever, blow rain end of travel action sluggishness when causing windshield wiper to be worked in the high-speed motion environment, the whole rain stroke action of blowing is not smooth, and rainwater strikes off not thorough.

The utility model content

The utility model provides a kind of high speed train brush arm assembly with windshield wiper, mainly solved existing brush arm assembly can't at a high speed, the problem of normal operation in the high strength environment.

Technical solution of the present utility model is as follows:

This high speed train brush arm assembly of windshield wiper, the brush arm assembly comprises big brush arm, little brush arm, little brush arm liner plate, preceding armed lever assembly and cleaning assembly, wherein big brush arm, little brush arm and preceding armed lever assembly are connected in turn, and be connected by pin, trapezoidal rivet and extension spring between big brush arm and the little brush arm, preceding armed lever assembly is captiveed joint with little brush arm and preceding armed lever assembly is provided with the brush chip module, and cleaning assembly comprises nozzle, cleans sebific duct, sleeve pipe and nozzle adapter plate; If the inswept face of little brush arm is a horizontal surface during windshield wiper work, the lateral vertical of little brush arm is in described horizontal surface, and then described little brush arm side is provided with at least one through hole, and the axis of each through hole is all perpendicular to little brush arm side.

The above through hole has 3 to 5, and arranges setting along the line of centres of little brush arm lateral width, and the pitch-row between each through hole is 2～3 times of average pore sizes; The described pin 50～80mm of first through hole distance at big brush arm proximal location place.

The above through hole has 5, and pitch-row is 30mm; If little brush arm length/width is that 340 * trapezoidal (35 * 12) to establish big brush arm, little brush arm to the direction of preceding armed lever assembly be positive dirction, the aperture of then described 5 through holes is followed successively by φ 16, φ 14, φ 12, φ 10, φ 8 along positive dirction, and the above pin distance of the little brush arm of through hole φ 16 distances is 55mm.

Brush chip module before the above on the armed lever assembly adopts general rain brush brush bar, is provided with high strength at brush chip module back and mixes the flow-disturbing wing that (ageing-resistant) insulating material is made; The length of the flow-disturbing wing is 75% to 95% of brush chip module length.

The above brush chip module length is 535mm, and the length of the flow-disturbing wing is 480mm.

Advantage of the present utility model is:

Being arranged on the basis that guarantees brush arm assembly intensity and stability of little brush arm side through hole, greatly reduce locomotive and tell operating windage and turbulent flow, reduced the weight ratio of little brush arm and big brush arm, make windshield wiper in the whole smoothness of working in the rain stroke of blowing, scrape and clean down thoroughly, further improved and blown the rain effect, eliminated the noise that blast at work brings substantially; The additional flow-disturbing wing has improved the speed-adaptive scope of windshield wiper effectively, is applicable to the requirement of high speed train fully.

In addition, the utility model compact conformation, good looking appearance, the lines flow smoothly, good reliability, and product and processing technology can form normalisation.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a flow-disturbing wing structure scheme drawing.

The drawing reference numeral explanation:

The big brush arm of 1-, the little brush arm of 2-, armed lever assembly before the 3-, 4, the brush chip module, the 5-flow-disturbing wing, 6-through hole, 7-pin

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in detail:

With reference to figure 1, Fig. 2, offer 5 through holes in the side of little brush arm, the pitch-row of each through hole is 30mm; If big brush arm, little brush arm to the direction of preceding armed lever assembly are positive dirction, the aperture of then described 5 through holes is followed successively by φ 16, φ 14, φ 12, φ 10, φ 8 along positive dirction, and the pin 55mm of through hole φ 16 little brush arms of distance and big brush arm junction, and these 5 through holes are arranged setting along the line of centres of little brush arm lateral width.Brush chip module on the preceding armed lever assembly adopts general rain brush brush bar, is provided with high strength at brush chip module back and mixes the flow-disturbing wing that (ageing-resistant) insulating material is made, and wherein, brush chip module length is 535mm, and the length of the flow-disturbing wing is 480mm.

Said structure is through a large amount of assay optimization gained, specifically referring to as following table one:

Table one

From process of the test, draw:

1). add the flow-disturbing wing the length optimum value be 480mm (scraping leaf length is 535mm), the flow-disturbing wing preferably has high strength, good insulating, ageing-resistant material product.Having high strength is to be damaged by the foreign matter bump in order to prevent, selecting good insulating is to prevent that the flow-disturbing wing from being knocked away by foreign matter, gets on the high tension cord, thereby can cause the accidents caused hidden danger of short trouble.Choosing of anti-aging material can strengthen reliability.

2). bore breather port in little brush arm both sides, reduce windage, make the wiper smoothness, wiper is respond well, has improved the wiper performance of windshield wiper under high-speed case.

3). drilling hole amount very little, the aperture is too little, the wiper DeGrain; Drilling hole amount is too many, the aperture is too big, and intensity effect to scraping arm is too big again, final definite drilling hole amount is 5, pitch-row is 30mm, the aperture of 5 through holes is followed successively by φ 16, φ 14, φ 12, φ 10, φ 8 along positive dirction, and the pin 55mm of through hole φ 16 little brush arms of distance and big brush arm junction, purpose is to avoid the cooperation place of little brush arm and big brush arm, guarantees Joint strenght.The center in each hole is in-line all, and each hole (upper-lower position) is substantially all at the midway location of little brush arm side.

4). the test situation under motor-car is run at high speed with 300km/h, wiper is respond well, and scraping arm intensity can satisfy the wiper requirement.

5). reliable in quality, good looking appearance, the lines flow smoothly, compact conformation.

From test results, add the flow-disturbing wing and necessary to the performance that improves windshield wiper at little brush arm both sides brill breather port, make the wiper smoothness, wiper is respond well, has improved the wiper performance of windshield wiper under high-speed case.

Claims (5)

1. a high speed train is with the brush arm assembly of windshield wiper, described brush arm assembly comprises big brush arm, little brush arm, little brush arm liner plate, preceding armed lever assembly and cleaning assembly, wherein big brush arm, little brush arm and preceding armed lever assembly are connected in turn, and be connected by pin, trapezoidal rivet and extension spring between big brush arm and the little brush arm, preceding armed lever assembly is captiveed joint with little brush arm and preceding armed lever assembly is provided with the brush chip module, and cleaning assembly comprises nozzle, cleans sebific duct, sleeve pipe and nozzle adapter plate; It is characterized in that: the inswept face of little brush arm is a horizontal surface when establishing windshield wiper work, and the lateral vertical of little brush arm is in described horizontal surface, and then described little brush arm side is provided with at least one through hole, and the axis of each through hole is all perpendicular to little brush arm side.

2. the high speed train according to claim 1 brush arm assembly of windshield wiper, it is characterized in that: described through hole has 3 to 5, and arranges setting along the line of centres of little brush arm lateral width, and the pitch-row between each through hole is 2～3 times of average pore sizes; The described pin 50～80mm of first through hole distance at big brush arm proximal location place.

3. the high speed train according to claim 2 brush arm assembly of windshield wiper, it is characterized in that: described through hole has 5, and pitch-row is 30mm; If big brush arm, little brush arm are positive dirction to the direction of preceding armed lever assembly, the aperture of then described 5 through holes is followed successively by φ 16, φ 14, φ 12, φ 10, φ 8 along positive dirction, and the above pin distance of the little brush arm of through hole φ 16 distances is 55mm.

4. according to claim 2 or 3 described high speed trains brush arm assembly with windshield wipers, it is characterized in that: the brush chip module before described on the armed lever assembly adopts general rain brush brush bar, is provided with high strength at brush chip module back and mixes the flow-disturbing wing that ageing-resistant insulating material is made; The length of the flow-disturbing wing is 75% to 95% of brush chip module length.

5. the high speed train according to claim 4 brush arm assembly of windshield wiper, it is characterized in that: described brush chip module length is 535mm, and the length of the flow-disturbing wing is 480mm.

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