KR20110076273A - Pressure dispersion and variable style wiper blade for vehicle - Google Patents

Abstract

PURPOSE: A pressure dispersion and variable wiper blade for a vehicle is provided to clean up a glass surface effectively by having excellent adhesion degree of a wiping member for a glass surface, and to use easily for a glass surface having different curvature by regulating the curvature of an elastic body according to the curvature of a glass surface and dispersing the pressure of an elastomer. CONSTITUTION: A pressure dispersion and variable wiper blade for a vehicle contains a wiping member(110) wiping off a glass surface, a main elastomer(120) fixed with the wiping member and adhering the wiping member closely to the glass surface by pressing a wiper arm, and an auxiliary elastomer(130) applying pressure to the main elastomer to make the main elastomer press down the wiping member.

Description

PRESSURE DISPERSION AND VARIABLE STYLE WIPER BLADE FOR VEHICLE}

The present invention relates to a pressure dispersion and a variable wiper blade for automobiles, and more particularly, has excellent adhesion of the wiping member to the glass surface, and can be adjusted to properly adapt the curvature of the elastic body according to the glass surface curvature, as well as the pressure dispersion of the elastic body. The present invention relates to a pressure dispersing and variable vehicle wiper blade that can be adjusted.

In general, a wiper device is used to remove rain water or other foreign matter falling on the windshield of a vehicle in rainy weather to maintain a good view while driving.

The wiper device includes a drive motor for providing a driving force, a wiper arm mechanically connected to the drive motor and reciprocating within a predetermined angle range, and a wiper blade detachably coupled to the tip of the wiper arm.

Such a wiper device mechanically transmits the driving force of the drive motor to the wiper arm, if necessary, to remove the rain water or foreign substances falling on the glass surface of the vehicle by reciprocating while keeping the wiper blades in close contact with the glass surface forming the front of the vehicle. Do it.

The wiper blade according to the prior art has a configuration in which a plurality of bracket parts are connected by rivets or pins so that the pressure is divided and transmitted to each bracket so that the pressure is transmitted to the rubber as a whole. There is a disadvantage that the connection part of the bracket is frozen and does not work properly.

In order to improve this disadvantage, the wiper blade shown in FIG. 1 has been developed, which will be described below with reference to the accompanying drawings.

As shown in FIG. 1, the wiper blade 10 according to the related art attaches the wiping rubber 12 to the elastic body 11 having a curvature larger than the glass curvature 11 so that the wiper arm 20 is connected to the elastic body 11. Pressing the center portion of the elastic body 11 is reduced curvature of the rubber 12 is in close contact with the glass surface.

However, such a conventional wiper blade 10 has a structure that transmits pressure by pressing only a specific part or the center, and the curvature of the elastic body 11 must be extremely precise, and the curvature of the elastic body 11 properly corresponds to the curvature of the glass surface. There was a problem that was difficult to do.

The conventional wiper blade 10 as described above has a problem in that the curvature of the elastic body 11 cannot be adjusted to other glass surfaces because the curvature or pressure dispersion cannot be adjusted.

The present invention for solving these problems, the adhesion of the polishing member to the glass surface is excellent, thereby excellent cleaning on the glass surface, and can be adjusted to properly adapt the curvature of the elastic body according to the glass surface curvature. The purpose of the present invention is to provide a pressure-dispersed and variable automotive wiper blade that can be easily used on glass surfaces with different curvatures because the pressure dispersion of the elastic body can be adjusted.

In order to achieve the above object, the present invention provides an automobile wiper blade, a wiping member for wiping the glass surface, the wiping member is fixed, the main elastic body to adhere the wiping member to the glass surface by pressing the wiper arm, The main elastic body may include an auxiliary elastic body which is installed to press the main member to the wiping member by applying pressure to the main elastic body.

In addition, the auxiliary elastic body may have a leaf spring shape having a curvature.

In addition, the auxiliary elastic body may be installed to be located on the main elastic body having a curvature different from that of the main elastic body.

In addition, the auxiliary elastic body may further include a pressure control unit for adjusting the pressure applied to the main elastic body.

In addition, the pressure control unit may be screwed to the adapter is the elastic body and the auxiliary elastic body is installed, it may include a pressing bolt for adjusting the distance between the main elastic body and the auxiliary elastic body by pressing the auxiliary elastic body.

In addition, one end of the pressing bolt is located in the center of the auxiliary elastic body, the other end may be provided with a knob.

In addition, the auxiliary elastic body may be made of an elastic body in the center portion, the end portion may be made of an inelastic body.

In addition, the cover may further include a cover surrounding the outer side of the elastic body.

In addition, the cover may be formed in a pair by hinged by the hinge axis on each side of the adapter in which the main elastic body and the auxiliary elastic body is installed.

The apparatus may further include a cushioning member disposed between the main elastic body and the auxiliary elastic body and having elasticity to distribute the pressing pressure of the auxiliary elastic body to the main elastic body.

In addition, the buffer member may be formed with an empty space inside.

In addition, the buffer member may receive the kinetic energy by the operation of the wiper arm to generate an exothermic reaction, so that the exothermic reactant for transferring heat to the wiping member may be filled in the empty space.

In addition, the wiping member may be fixed to the main elastic body so that one side is in close contact with the buffer member.

In addition, the wiping member may be detachably coupled to the main elastic body.

The apparatus may further include an adapter in which the main elastic body and the auxiliary elastic body are installed, and the main elastic body may be detachably coupled to the adapter.

Pressure dispersing and variable vehicle wiper blades according to the present invention, the adhesion of the wiping member to the glass surface is excellent, thereby excellent cleaning on the glass surface, it can be adjusted to properly adapt the curvature of the elastic body according to the curvature of the glass surface. However, since the pressure dispersion of the elastic body can be adjusted, the curvature can be easily used on different glass surfaces.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the embodiments of the present invention are provided to more fully explain the present invention to those skilled in the art, the following examples may be modified in various other forms, the scope of the present invention Is not limited to the following examples.

Figure 2 is a front sectional view showing a pressure wiping and variable vehicle wiper blade according to the present invention.

As shown in FIG. 2, the pressure dispersing and variable vehicle wiper blade 100 according to the present invention includes a wiping member 110, a main elastic body 120 to which the wiping member 110 is fixed, and a main elastic body 120. It may include an auxiliary elastic body 130 to apply a pressure to).

The wiping member 110 is for wiping the glass surface 1 of the vehicle, and may be made of rubber or a synthetic resin having similar properties to wipe the glass surface 1, and other various materials.

The main elastic body 120 has the wiping member 110 fixed thereto, and the wiping member 110 is brought into close contact with the glass surface 1 by pressing the wire arm 200. By installing the 140 may be coupled to the wire arm 200 via the adapter 140.

The auxiliary elastic body 130 may be made of one or a plurality, and the main elastic body 120 is installed to press the wiping member 110 by applying pressure to the main elastic body 120 by one or more point contact or surface contact. Due to the pressure applied to one or more points in the main elastic body 120 to press the main elastic body 120 above a predetermined pressure, so as to apply a pressure to the main elastic body 120, having a curvature as in the present embodiment Alternatively, the coil spring may have a coil spring shape, which may be installed in the adapter 140 to be positioned on the main elastic body 120 with a curvature different from that of the main elastic body 120 as in the present embodiment. .

The auxiliary elastic body 130 is made of a material having a different thickness, a width, a different elastic force, or a different curvature from the main elastic body 120 in order to apply pressure to the main elastic body 120. In this embodiment, it is formed to have a greater curvature than the main elastic body 120 having a curvature larger than the glass surface (1).

As shown in Figure 3 and 4, the adapter 140 may be made of a synthetic resin material, otherwise may be made of a metal material, the main elastic body 120 is welded, bonded, bonded, rivets or bolts, etc. It may be installed by a method such as used fastening, by connecting the main elastic body 120 and the auxiliary elastic body 130 to each other, the auxiliary elastic body 130 is pressured to the main elastic body 120 by one or more point contact or surface contact, etc. To be added.

The auxiliary elastic body 130 may be made of an elastic body having elasticity in the center portion, and the terminal portion may be made of inelastic material having little or no elasticity. In this case, the pressure at the end portion is changed in accordance with the pressure control of the elastic body in the center portion. In this case, the auxiliary elastic body 130 may be made to be integral with the elastic body and the non-elastic body, or may be separately manufactured to be attached or coupled to each other.

Pressure dispersing and variable vehicle wiper blade 100 according to the present invention may further include a cover 160 surrounding the outer side of the auxiliary elastic body 130.

The cover 160 may be formed in a shape in which the shape of the cover 160 serves as an air spoiler, as illustrated in FIGS. 5 to 7, respectively, for example, hinges on both sides of the adapter 140 to secure deformation of the auxiliary elastic body 130. Hinged by the shaft 161 may be made in a pair.

Pressure dispersing and variable vehicle wiper blade 100 according to the present invention may further include a pressure regulator 150 for adjusting the pressure applied to the main elastic body 120, the auxiliary elastic body 130.

The pressure adjusting unit 150 may have various configurations to adjust the pressure of the auxiliary elastic body 130 applied to the main elastic body 120, and is inserted into the adapter 140 by screwing into the auxiliary elastic body (as shown in this embodiment). It may include a pressing bolt 152 for pressing the 130.

The pressure bolt 152 is screwed into the screw hole 151 formed in the adapter 140, one end is located in the center of the auxiliary elastic body 130, the knob 152a is provided at the other end so that the user can easily rotate, By adjusting the degree of insertion of the adapter 140 in accordance with the rotation direction to adjust the distance that the auxiliary elastic body 130 is separated from the main elastic body 120, thereby the pressure that the auxiliary elastic body 130 is applied to the main elastic body 120 Will be adjusted.

Pressure dispersing and variable vehicle wiper blade 100 according to the present invention may further include a buffer member 170 is installed between the main elastic body 120 and the auxiliary elastic body 130.

The shock absorbing member 170 may be made of a single unit as in the present embodiment, or alternatively, the shock absorbing member 170 may be formed to be arranged along the longitudinal direction of the main elastic body 120. It has elasticity to disperse and may be made of elastic material such as rubber or synthetic resin in order to have elasticity, or may be manufactured to have a structure such as elastic wrinkles, and may form an empty space therein. The exothermic reactant 171 may be filled in the empty space.

The exothermic reactant 171 receives the kinetic energy by the operation of the wiper arm 20 to generate an exothermic reaction to transfer heat to the wiping member 110, or absorbs solar heat instead of the exothermic reaction by the kinetic energy. By generating heat by heat exchange, a material for supplying heat to the wiping member 110 may be used. On the other hand, when the wipe member 110 is fixed to the main elastic body 120 so that one side is in close contact with the buffer member 170 can be quickly conducted to the heat of the exothermic reaction material 171 to the wipe member 110.

As shown in FIG. 8, the wiping member 110 may be detachably coupled to the adapter 140 together with the main elastic body 120 when replacement is required due to wear or damage. To this end, the main elastic body 120 may be fixed to the adapter 140 with a pin or the like, or may be forcibly fitted or slidingly coupled to the adapter 140, or may be detachably fixed to the adapter 140 by various methods. On the other hand, the wiping member 110 may be detachably fixed to the groove or hole formed in the main elastic body 120 to be replaced by an interference fit or sliding coupling.

The operation of the pressure distribution and the variable wiper blade for a vehicle according to the present invention will be described.

Since the main elastic body 120 is connected to the wiper arm 200 by the adapter 140, the main elastic body 120 adheres the wiping member 110 to the glass surface 1 by the operation of the wiper arm 200, thereby allowing the glass surface ( 1) Clean it. At this time, the auxiliary elastic body 130 is pressed by one or more point contact or surface contact between the end portion in the center of the main elastic body 120, the pressure applied to the main elastic body 120 is dispersed step by step, The pressure according to the curvature change of the main elastic body 120 is mixed to form an ideal pressure distribution so that the wiping member 110 can clean the glass surface 1 cleanly.

In addition, by adjusting the distance between the auxiliary elastic body 130 and the main elastic body 120 by tightening and loosening the pressure bolt 152 to adjust the pressure applied to the main elastic body 120, thereby Pressure distribution and variable vehicle wiper blade 100 according to the invention the pressure can be varied so that the pressure distribution can be changed in accordance with the curvature of the glass surface (1). That is, as shown in FIG. 9A, when no pressure is applied to the auxiliary elastic body 130, the distance d₁ between the main elastic body 120 and the auxiliary elastic body 130 is such that the pressure of the auxiliary elastic body 130 is equal to the main elastic body 120. The force of F 2 applied to the main elastic body 120 from the auxiliary elastic body 130 becomes zero while maintaining the size of the main elastic body 120 so as not to be transmitted to the main elastic body 120. However, as shown in FIG. 9B, when the pressure bolt 152 is applied with a force of F 3 to the auxiliary elastic body 130 by tightening, the distance d2 between the main elastic body 120 and the auxiliary elastic body 130 is reduced. The force of F 'is maintained, but the force applied from the auxiliary elastic body 130 to the main elastic body 120 increases to F', thereby acting as a pressure device of the double spring.

Then, the pressure applied from the auxiliary elastic body 130 is dispersed by the buffer member 170 to be dispersed throughout the main elastic body 120, thereby causing the wipe member 110 to be uniformly in close contact with the glass surface (1) Further, the exothermic reactant 171 filled in the cushioning member 170 receives the kinetic energy by the operation of the wiper arm 200 to generate the exothermic reaction, thereby transferring heat to the scrubbing member 110, thereby wiping the winter member. 110 does not freeze, to ensure the rapidity and reliability of the operation.

As described above, the wiper blade for the pressure distribution and the variable vehicle according to the present invention has been described with reference to the accompanying drawings, but various modifications and changes can be made without departing from the spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

1 is a perspective view showing a wiper blade according to the prior art,

Figure 2 is a front sectional view showing a pressure-dispersed and variable vehicle wiper blade according to the present invention,

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view taken along the line B-B of FIG.

5 is a cross-sectional view taken along the line C-C of FIG.

6 is a cross-sectional view taken along the line D-D of FIG. 2,

7 is a cross-sectional view taken along the line E-E of FIG.

8 is a view for explaining the replacement of the wiping member of the wiper blade for pressure distribution and variable vehicle according to the present invention,

9a and 9b is a view for explaining the operation of the pressure regulator of the wiper blades for pressure distribution and variable vehicle according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: Glass surface 110: Wiping member

120: main elastic body 130: auxiliary elastic body

140: adapter 150: pressure control unit

151: screw hole 152: pressure bolt

152a: Knob 160: Cover

161: hinge axis 170: buffer member

171 exothermic reactant 200 wiper arm

Claims (15)

As an automotive wiper blade, Wiping member 110 for wiping the glass surface (1); A main elastic body 120 to which the wiping member is fixed and which adheres the wiping member to the glass surface by pressing the wiper arm 200; And And an auxiliary elastic body (130) installed to press the main elastic body to press the wiping member by applying pressure to the main elastic body. The method according to claim 1, The auxiliary elastic body 130, Pressure dispersion and variable wiper blades for automobiles, characterized in that the leaf spring having a curvature. The method according to claim 2, The auxiliary elastic body 130, A pressure-dispersed and variable automobile wiper blade, characterized in that it is installed on the main elastic body having a curvature different from the curvature of the main elastic body. The method according to claim 2 or 3, Pressure dispersing and variable vehicle wiper blades, characterized in that the auxiliary elastic body 130 further comprises a pressure adjusting unit for adjusting the pressure applied to the main elastic body. The method according to claim 4, The pressure control unit 150, The screw is fastened to the adapter 140, the main elastic body and the auxiliary elastic body is installed, and a pressure bolt 152 for adjusting the distance between the main elastic body and the auxiliary elastic body by pressing the auxiliary elastic body Distributed and variable car wiper blades. The method according to claim 5, The pressure bolt 152, One end is located in the center of the auxiliary elastic body, the other end of the pressure dispersing and variable vehicle wiper blade, characterized in that the knob (152a) is installed. The method according to any one of claims 1 to 3, The auxiliary elastic body 130, A pressure-dispersed and variable automotive wiper blade, wherein the center portion is made of an elastic body and the end portion is made of an inelastic body. The method according to any one of claims 1 to 3, Pressure dispersing and variable vehicle wiper blades further comprising a cover 160 surrounding the outer side of the auxiliary elastic body. The method according to claim 8, The cover 160, And a pair of pressure-dispersed and variable vehicle wiper blades, each of which is hinged by hinge shafts 161 on both sides of the adapter on which the main elastic body and the auxiliary elastic body are installed. The method according to any one of claims 1 to 3, Pressure dispersing and variable vehicle wiper blades are provided between the main elastic body and the auxiliary elastic body, and further comprising a cushioning member 170 having elasticity to distribute the pressing pressure of the auxiliary elastic body to the main elastic body. . The method according to claim 10, The buffer member 170, Pressure distribution and variable wiper blades for automobiles, characterized in that the empty space is formed inside. The method of claim 11, The buffer member 170, Pressure dissipation and variable vehicle wiper blades, characterized in that the exothermic reaction material (171) for transmitting heat to the cleaning member by receiving the kinetic energy by the operation of the wiper arm is filled in the empty space. The method according to claim 12, The wiping member, Pressure dispersing and variable vehicle wiper blade, characterized in that the one side is fixed to the main elastic body to be in close contact with the buffer member. The method according to claim 1, The wiping member, Pressure dispersing and variable vehicle wiper blade, characterized in that detachably coupled to the main elastic body. The method according to claim 1, And an adapter to which the main elastic body and the auxiliary elastic body are installed. Pressure dissipation and variable vehicle wiper blade, characterized in that the main elastic body is detachably coupled to the adapter.

Images