JP2001260823A - Coupler for wiper and arm - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a wiper from idling longer than required, when intending to apply a cleaning operation to a window glass by pulling a wiper from the window glass and raising it with the wiper linked to an arm. SOLUTION: A regulating bracket 6 to project a stopper tongue piece 5 on one of its flanks and a connector 14 forming a U-shaped crosssection at the front and forming side plates acting as guide walls on both sides are rotatably disposed in a holding frame 7 and. a link 3 fixed to the back part of the main yoke of a wiper to link an arm 1 having the inside of the tip part bent in a U-shape as a connector engagement part to a wiper 2 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting an arm and a wiper.

[0002]

2. Description of the Related Art A wiper 2, which is a wiper for wiping a window glass of an automobile and is called a snow blade,
The wiper 2 is configured to be connected to a tip end of an arm having a base connected to the drive mechanism via a connecting tool formed on the back surface of the main yoke. As shown in FIG. 1, the structure of a wiper 2 called the snow blade and a connecting tool 3 for connecting an arm 1 whose front end is folded into a U-shape and whose folded portion has a connector fitting portion 1A, as shown in FIG. A connector 14 fitted to the connector fitting portion 1A of the arm 1 is rotatably supported by a shaft 15 inside one side of the holding frame 7, and a connector fits inside the connector 14 inside the other side. The tip of the arm 1 fitted with the joint 1A is the connector 1
A restricting tool 6 having a structure in which a restricting surface 4 is arranged so as not to be dislodged from the control tool 4 is moved by a shaft 10 to the restricting tool 6.
Of the connector 1 is fitted to the connector fitting portion 1A of the arm 1 and is pivotally supported so as to be rotatable.

That is, the connector 14 mounted on the holding frame 7 has guide walls formed on both sides, a front surface formed into a curved surface having a U-shaped cross section, and crosses the guide wall on both sides of the connector 14 on the front side. The restrictor 6 has a connector fitting portion 1A, which is a U-shaped folded portion at the tip of the arm 1 to which the connector 14 is fitted. The stopper 14 is formed as a regulating surface 4 for preventing the connector 14 from coming off, and a pin insertion hole is formed in the side surface of the stopper to penetrate the restricting member 6. A holding frame 7 for rotatably mounting the tool 6 is formed as an inverted channel frame having a concave cross section with opposing side plates, and a pin insertion for inserting a pin for rotatably supporting a connector 14 with a shaft 15 through both side plates on both ends. And a restricting mechanism 6 with a shaft 10 pierced the pin insertion hole for inserting a pin rotatably supported,
The one side plate is provided with an engaging groove 8 of a stopper tongue provided on the regulating tool 6 at an intermediate portion.

[0004] In order to connect the wiper 2 and the arm 1 with the connecting member 7 attached to the main yoke, the restricting member 6 rotatably supported by the shaft 10 on the holding frame 7 constituting the connecting member is raised. The connector 14 is rotatably supported on the holding frame 7 by the shaft 15 so as to face the regulating surface 4 of the restricting tool 6 with the shaft 15 so as to be rotatable. A connector fitting portion 1A folded in a U-shape at the tip of the arm 1 on the front surface of the U-shaped cross section of the connector 14 pivotally supported.
After fitting, the restricting tool 7 is laid down, the stopper tongue 5 of the restricting tool 7 is engaged with the stopper engaging groove 8 of the holding frame 7, and the restricting surface 4 of the restricting tool 7 is connected to the connector 14. Is fixed to the holding frame 7 in a state where it faces the outer surface of the fitting portion 1A of the arm 1 fitted with the arm.

Thus, the arm 1 fitted with the connector 14 is held with the outer surface of the fitting portion of the arm 1 slidably opposed to the regulating surface 4 of the regulating tool 6 with the connector 14 fitted. Connector 1 rotatably supported on frame 7
The wiper is connected in a state where it does not deviate from 4.

However, since the connecting member 6 does not have a structure for restricting the rotation range of the wiper 2, when the arm 1 is raised when the window glass is cleaned or when the wiper 2 is replaced, the wiper 2 is moved. 2 may spin and cause the disadvantage of damaging the window glass. In order to solve this inconvenience, the present applicant has previously applied for an application as Japanese Patent Application No. 11-0577000.

[0007]

The present invention relates to a connecting tool used for connecting a wiper of a type mainly called a snow blade to an arm, similarly to the invention disclosed in Japanese Patent Application No. 11-057000. When the wiper is pulled from the window glass while the wiper is connected to the arm with the connecting tool and the user tries to perform various operations such as cleaning the window glass, the wiper is more than necessary with the wiper connected to the raised arm. It is an object of the present invention to provide a connecting member which can prevent the idle rotation of the holding frame 7 which is a connecting member 6 and a connector which supports the holding frame 7 to achieve the object. There is a reluctance to complicate the structure of No. 14 and, as a result, it is necessary to prepare jigs more than necessary for assembly. It is intended to eliminate the inconvenience.

[0008]

Means for Solving the Problems A restricting tool having a stopper tongue piece engaging groove on one side and having a front face as a regulating face on one side inside a holding frame and a stopper tongue piece protruding on one side of a side of the holding frame,
On the other hand, a connector having a front surface formed in a U-shaped cross section and a side plate serving as a guide wall formed on both sides is rotatable with the restricting surface of the restricting tool facing the U-shaped cross section of the connector. A connector fixed to the back of the main yoke of the wiper to connect the wiper with an arm having the inside of the tip bent into a U-shape as a connector fitting portion and the wiper,
The terminal vertical side of the connector on the side where the connector is disposed is a stopper side that exhibits a stopper function, and a stopper side of the terminal vertical side of the terminal on the lower side of the terminal opposite to the U-shaped cross section of the connector. A connecting tool for connecting a wiper and an arm, the stopper being a projection that rotates in an arcuate trajectory from a lower end to an upper end of the wiper.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a connector for connecting an wiper 2 to an arm 1 having a front end bent into a U-shape and having a connector fitting portion 1A inside the bent portion.

The holding frame 7 constituting the connecting member 3 is formed in an inverted channel shape having a concave cross section like the holding frame 7 of the conventional connecting member 3. That is, as shown in FIG.
On one end side of the opposite side plate of the holding frame 7, the regulating tool 6 is attached to the shaft 1.
0, a pin insertion hole (not shown) for inserting a rotatably supported shaft is opposed, and the other end is connected to the connector 14 by a shaft 1.
In 5, a pin insertion hole 16 rotatably supported on a shaft is formed to face the pin insertion hole 16. An engagement groove 8 for engaging a stopper tongue piece 5 provided on a restrictor 6 having a configuration described later is formed on one side surface of one side plate of the opposed side plate from the upper side of the side plate to the bottom surface of the holding frame 7. Cut out and provided. The other side of the opposite side plate that supports the connector 14 has a vertical side or a centered holding frame as a configuration for exhibiting a function for achieving the object of the present invention. 7 is formed as a stopper side 9 which is a receding side having an angle of biting into the bottom side of the base 7.

In the holding frame 7, the restricting member 6 is provided with a shaft 10 in a pin insertion hole on one side and the shaft 1 is provided in a pin insertion hole 16 on the other side.
The connector 14 is rotatably supported by the connector 5.

As shown in FIG. 2, the restricting member 6 has a shaft 10 at its base as shown in FIG.
A restricting surface 4 facing the outer surface of the fitting portion of the arm 1 to which the connector 14 is fitted, and a stopper tongue piece 5 protruding from the side of the arm. It consists of

As shown in FIG. 3, the connector 14 has a front surface 14A formed as a U-shaped curved surface in cross section, and side plates 11 as guide walls disposed on both sides thereof.
A shaft fitting groove 12 through which the shaft 15 is inserted is formed, and a stopper piece 13 protrudes below the rear end.

The stopper piece 13 regulates the rotation range of the connector 14 in relation to the stopper side 9 of the holding frame 7, and is specially devised in relation to the stopper side 9. The protruding position is below the rear end of the connector 14. When the connector 14 is in a fixed position, the connector 14 is turned at a position slightly away from the lower end of the vertical side which is the stopper side 9 of the holding frame 7. When the connector 14 is moved, the connector 14 comes into contact with the upper end of the vertical side, which is the stopper side 9, so that the connector 14 does not rotate beyond the upper end and is protruded.

In the assembly of the connector according to the present invention, as shown in FIG. 4, a restrictor 6 is arranged on one side inside the both side plates of the holding frame 7 constituting the connector 3. That is, the restricting surface 4 provided at the tip of the restricting tool 6 is oriented in a direction in which the connector 14 that is rotatably mounted on the other side inside the both side plates of the holding frame 7 is arranged.
The pin through-hole provided in the base is aligned with the pin insertion hole provided on one side of the holding frame, and the shaft 10 is traversed through both the pin insertion holes. It is inserted so that it can rotate freely as a fulcrum. Needless to say, both ends of the shaft 10 are prevented from being pulled out from the pin insertion holes of the holding frame 7 by appropriate means.

As shown in FIG. 4, a connector 14 has a curved surface facing the regulating surface 4 of the regulating member 6 and a pin fitting provided on the side plate. The mating groove 12 is aligned with the pin fitting hole formed in the holding frame 7 so as to face the both side plates.
2 is traversed by a shaft 15 inserted through the pin insertion hole 16 of the holding frame 7, and the connector 14 is disposed rotatably in the holding frame 7. Needless to say, both ends of the shaft 15 are prevented from being pulled out from the pin insertion holes 16 of the holding frame 7 by appropriate means. The assembled state is as shown in FIG.

The rotation range of the connector 14 is shown in FIG.
As shown in B and C, the stopper piece 13 is restricted to the range in which it can be moved by the stopper side 9 at the other end vertical side of the opposite side plate constituting the holding frame 7.

The connecting member 3 is fixed to the center of the back of the main yoke of the wiper by a suitable means.

The connection to the arm 1 with the connecting member 3 is performed by raising the regulating member 6 rotatably supported by the holding frame 7 as in the past, and rotatably supported by the holding frame 7. The connector fitting portion 1A, which is folded back into a U-shape at the tip of the arm, is attached to the front surface 14A of the connector 14 which is rotatably supported by the holding frame 7 so as to be spaced from the connector 14 and the guide wall 11 of the connector 14. After being positioned and fitted between the side plates, the restricting tool 6 is laid down, and the stopper piece 5 of the restricting tool 6 is engaged with the stopper engaging groove 8 of the holding frame 7.
The fixing surface is fixed to the holding frame as shown in FIG. 5 with the regulating surface 4 of the regulating member 6 facing the outer surface of the fitting portion of the arm 1 to which the connector 14 is fitted.

As a result, as shown in FIG. 5, the arm 1 fitted with the connector 14 has the outer surface of the fitting portion of the arm 1 slidable on the regulating surface 4 of the regulating tool 6 with the connector 14 fitted. Thus, the wiper 2 is connected without being detached from the connector 14 rotatably supported by the holding frame 7.

[0021]

As described above, according to the present invention, the other side of the holding frame is the stopper side 9 and the stopper is engaged with the stopper side on the side plate surface of the connector rotatably mounted on the holding frame. A piece is provided, and a stopper piece is provided on the lower end of the connector, which rotates in an arc-shaped locus from the lower end to the upper end of the stopper side of the holding frame, and collides with the upper end of the stopper side to stop the rotation. As a result, the wiper was pulled from the surface of the window glass and pulled up. In this state, even when wiping the window glass or the like, the wiper did not rotate easily. Restricted by the stopper sides of both ends of the piece 3 and the holding frame 7, various inconveniences have occurred due to the rotation of the wiper when performing the above-mentioned work as before. It can be prevented from.

[Brief description of the drawings]

FIG. 1 shows a conventional connecting tool for connecting a wiper to an arm whose tip is folded in a U-shape and the inside of the folded portion is a connector fitting portion.

FIG. 2 is a perspective view of a holding frame to which a restricting tool constituting the connecting tool according to the present invention is mounted.

FIG. 3 is a perspective view of a connector according to the present invention.

FIG. 4 is a perspective view showing a procedure for assembling the coupler of the present invention.

FIG. 5 is a perspective view showing the completion of assembling the coupler of the present invention.

FIG. 6 is a state diagram showing a rotation range when the arm and the wiper are connected with the connecting tool of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Arm 2 Wiper 3 Connecting tool 4 Restriction surface 5 Stopper tongue piece 6 Restriction tool 7 Holding frame 8 Stopper piece engagement groove 9 Stopper longitudinal side 10 axis 11 Side plate forming guide wall 12 Axis insertion hole 13 Stopper piece 14 Connector 15 axis 16 pin insertion hole

Claims (1)

[Claims] 1. A holding device having a stopper tongue engaging groove on one side, a front surface serving as a regulating surface on one side of the holding frame, a restricting device projecting the stopper tongue on one side of the side, and a front surface on the other side. A connector having a U-shaped cross section and a side plate serving as a guide wall formed on both sides is disposed such that the restricting surface of the restricting tool and the U-shaped cross section of the connector are rotatably opposed to each other. Consisting of
A connecting tool fixed to a back portion of a main yoke of a wiper for connecting an arm and a wiper having a connector fitting portion with an inner side of a tip bent into a U-shape, wherein a vertical end of the holding tool on a connector arrangement side. The side is a stopper side that exhibits a stopper function, and an arc-shaped trajectory is drawn from the lower end to the upper end of the stopper side of the terminal vertical side of the retainer on the lower end of the end opposite to the U-shaped cross section of the connector. A coupling tool for connecting a wiper and an arm, wherein a stopper piece that is a rotating projection is provided so as to protrude.