JP5710567B2 - Connecting tool to connect arm and wiper - Google Patents

Description

The present invention relates to a connector for connecting a wiper to an arm.

There are various types of connecting tools for connecting the arm and the wiper depending on the structure of the tip of the arm. The connecting tool for connecting the wiper to the arm must be different depending on the tip structure of the arm.

As for the arm, as shown in FIG. 9, the tip is a thick portion 22, a pin insertion hole 23 is provided in the thick portion 22, and the pin insertion hole 23 is inserted through the bottom surface of the thick portion 22. An arm 21 having a model configuration provided with a pin insertion portion 25 that communicates with a pin guide groove 4 that is slightly narrower than the diameter of the hole has come to be used.

The applicant of the present invention has developed an invention disclosed in Japanese Patent Application Laid-Open No. 2002-308063 and applied for a patent on a connector for connecting a wiper to an arm of the type described above.

As shown in FIG. 9, the connecting tool 41 for connecting the wiper to the arm 21 includes the holding member 42 on the back of the main stay 32 of the wiper 31 and the connecting member 43 incorporated in the holding member 42. The connecting member 43 incorporated into the holding member 24 comprises a pin 51 that is rotatably incorporated into the holding member 24.
The connecting tool 41 for connecting the arm 21 and the wiper 31 of the above-mentioned type is formed as a reverse channel type having a bottom surface as a horizontal rectangular plane, and the holding member 42 constituting the connecting tool 41 is opposed to both long sides of the horizontal rectangular surface. A wall is provided, and a pin insertion hole for inserting a pin 51 for rotatably incorporating a connecting member is provided on the opposite side of the wall so as to face each other, and the holding member 5 is rotatable toward the tip of the opposing wall. A protrusion insertion hole for preventing the rotation of the connecting member 41 incorporated in the structure is formed to face each other. A plate with a horizontal lower side is provided on the holding member 42, and the tip of the plate is formed. The side has a lower height, the rear end has a higher height, and the shape of the board is placed on the top side of the lower end of the opposite side of the board. A notch is formed on the lower side of the side that is offset from the tip of the lower side The projecting portion is formed in the shape of a bulge with the lower side of the projection as a rounded edge, and a projection is formed on the outer surface of the projecting portion in the shape of a bulge. A connecting member formed by forming a pin insertion part having the same shape as the pin insertion part 25 formed in the thick part 22, and spanning a guide cylinder provided with a chordal cutout in the longitudinal direction of the circumferential surface of the pin insertion part The connecting member housed in the holding member passes through the guide tube provided with the string-like notch spanning the pin insertion hole of the holding member and the pin insertion portion of the connecting member with the pin 51, and the both ends of the pin are The connecting member is slidably attached to the holding member.

However, the above-described members constituting the coupling tool have the above-described configuration of the coupling member having the above-described configuration, so that the structure of the coupling tool is difficult and the structure is insufficient to increase productivity. I realized that I have

JP 2002-308063 A

The tip is a wide thick part, and in the thick part, a pin insertion tube holding part that holds the pin insertion pipe fixed to the connecting member that is a component of the connector is formed, and in the pin insertion pipe holding part An arm and a wiper for connecting a wiper to an arm having a structure in which a pin guide groove having a slightly narrower width than the diameter of the pin insertion tube reaching the pin insertion tube holding portion has an inclined surface rising from the bottom surface of the thick portion It is an object of the present invention to provide a connector for connecting the two.

A standing wall provided with a pin insertion hole for inserting a pin into a pin insertion tube fixed to the pin insertion tube holding portion of the connecting member on the upper side, and a protrusion fitting hole for fitting a protrusion formed on the standing plate of the stopper member To the opposite channel type holding member provided facing,
A pin having a connecting rod arranged on one end side of the horizontal side of the inverted equilateral triangular plate arranged in parallel, and a stopper protruding from the other end side toward the inclined side of the inverted equilateral triangular plate. Pin insertion tube holding arm is arranged to form a pin insertion tube holding portion, and the pin insertion tube holding portion is formed with a long groove slightly narrower than the pin diameter in the longitudinal direction of the outer peripheral surface of the tube One side of the opening of the long groove of the tube is matched with the oblique side of the inverted equilateral triangular plate, and the other side of the opening is matched with the tip side of the pin insertion tube holding arm that forms the pin insertion tube holding portion. Incorporating the pin insertion tube opening of the connecting member arranged between the equilateral triangular plates so as to coincide with the pin insertion hole provided in the standing wall of the holding member, the connecting member is connected to the pin insertion hole of the holding member. Through the pin toward the pin insertion tube fixed to With mounted so as to be rotatable member in the holding member,
An extension rod formed at the tip of a stopper plate that receives the rotation of the stopper of the pin insertion tube holding arm formed on the connecting member receiver on the left and right long sides of the rear side, with the front side of the rectangular plate as the floor plate portion, The base plate portion of the extension plate is arranged such that the bottom plate portion of the stopper member in which a standing plate that protrudes outwardly from the projection is arranged in parallel is positioned below the connecting member.

The tip is a thick part, a pin insertion hole is formed in the thick part, and an arm of a type having a pin insertion part formed with an inclined rising groove reaching the pin insertion hole from the bottom surface of the thick part is rotatable. In addition, it can be attached to and detached from the wiper connector.

The perspective view of the wiper which arranged the arm connector concerning the present invention Description perspective view of a state in which the arm is connected to the arm connector according to the present invention The perspective view of the structural member of the arm coupling device concerning this invention The perspective view which shows the state which notched part of the connection member installed in the holding member which comprises the arm connection tool concerning this invention. The completed perspective view of the arm connector concerning this invention The perspective view of the holding member of the completed state of the arm coupling tool concerning this invention The explanatory perspective view of operation which connects an arm to the arm connection member concerning the present invention The perspective view which shows the state in a connector when connecting an arm to the arm connection member concerning this invention. The perspective view which shows the state which connects an arm to the connector of invention disclosed by Unexamined-Japanese-Patent No. 2002-308063

The present invention relates to a connector for connecting a wiper to an arm. As shown in FIG. 2, the arm 1 has a thick portion 11 at the tip, and the thick member 11 is a connecting member that is rotatably mounted on a holding member 5 that constitutes a wiper connector 4. A pin insertion tube impacting portion 12 for impacting the pin insertion tube fixed to 6 and an inclined rising pin insertion tube guiding inclined groove 13 communicating with the pin insertion tube impacting portion 12 from the bottom plate of the thick portion 11. The thick portion 11 is formed in a model that crosses across the horizontal complex. As shown in FIG. 1, a connecting tool 4 used for connecting the wiper 2 to the arm 1 is fixed to the flat portion of the central portion of the back of the main stay 3 of the wiper 2. As shown in FIGS. 2 and 3, the structure includes a holding member 5 that is fixed to the central portion of the back of the main stay of the wiper, and a connecting member 6 that is provided with a pin insertion tube 7 that is attached to the holding member 5. The stopper member 8 is mounted on the holding member 5 together with the connecting member 6, and the pin 9 is used to attach the connecting member 6 to the holding member 5.

Hereinafter, the structure of the members constituting the connector 4 will be described.

As shown in FIGS. 2 and 3, the holder 5, which is a component of the connector 4 that is fixed to the flat portion at the center of the back of the main stay 3 of the wiper 2, is provided on both long sides of the horizontal rectangular plate 51. The shaped wall 52 is formed in a reverse channel type standing in parallel.
A through-hole 54 that penetrates the pin insertion hole 53 and the protrusion 85 formed on the upright plate 81 of the stopper member 8 is formed to face the upper side of the above-described partition-like wall 52 erected in parallel.

As shown in FIGS. 2 and 3, the connecting member 6 that is mounted on the holding member 5 has a configuration including a pin insertion tube holding portion 64 that holds the pin insertion tube 7.

The pin insertion tube 7 held by the pin insertion tube holding portion 64 constituting the connecting member 6 is slightly narrower than the diameter of the pin 9 along the longitudinal direction on the tube outer peripheral surface 71 as shown in FIG. The long groove 72 is formed as a configuration for forming the long groove 72.

As shown in FIGS. 2, 3, 4, and 7, the connecting member 6 for holding the pin insertion tube 7 has an inverted equilateral triangular plate 62 arranged in parallel as shown in FIGS. A connecting rod 63 is disposed on one of the horizontal sides 61 of the inverted equilateral triangular plate 62, and the other side of the horizontal side 61 is a pin insertion tube holding portion 64 that holds the pin insertion tube 7. As shown in the figure, the tip of the horizontal side 61 is folded back toward the inclined side of the inverted equilateral triangular plate 62, and a tip of the folded arm 66 is provided with a stopper 65 projecting from the tip. An insertion tube holding portion 64 is formed, and the pin insertion tube holding portion 64 is formed with the above-described pin insertion tube 7 along one of the opening sides of the long groove 72 formed along the longitudinal direction of the outer peripheral surface 71 of the pin insertion tube 7. Match with the hypotenuse 67 of the inverted equilateral triangular plate 62, etc. It consists of opening edges from the configuration called pass to fix stretched between the wrapping arm 66 of the anterior end to by matching both inverse equilateral triangular plate 62.

That is, the connecting member 6 has a configuration in which the pin insertion tube 7 disposed on the connection member 6 is spanned over the pin insertion tube holding portion 64 as shown in FIGS. 2, 3, and 4.

As shown in FIG. 3, the stopper member 8 has a rectangular plate 81 in front of a laying plate portion 82, and a pin insertion tube formed on the connecting member 6, which is the above-described pin insertion tube holder, on both the left and right long sides of the rear. The extension plate 84 is provided with an extension hook 84 that forms a stopper receiver 83 that receives the rotation of the stopper 65 of the folded arm 66 that forms the holding portion 64, and a protruding plate 85 that protrudes outwardly from the extension base portion of the extension plate 84. It consists of the structure called the stopper member which distribute | arranged 86 in parallel.

A procedure for configuring the connector 4 will be described.

The connecting member 6 is assembled between the two partition plates 52 of the holding member 5 constituting the connecting device 4 of the present invention having the above-described configuration. The assembling is performed by aligning the position of the pin insertion tube holding portion 64 formed in the connecting member 6 with the position of the pin insertion hole 53 formed in both the partition plates 52 of the holding member 5.
Next, the pin 9 is inserted from one pin insertion hole 53 of the partition plate 52 of the holding member 5 through the pin insertion tube holding portion 64 of the connecting member 6, and the tip of the pin 9 is inserted into the connecting member 6. The tube 7 is penetrated to penetrate the pin insertion hole 53 of the other partition plate 52 of the holding member 5 from the pin insertion tube holding portion 64 of the connecting member 6, and the penetration tip of the pin 9 is caulked. Accordingly, the connecting member 6 is rotatably accommodated in the holding member 5.

Next, a stopper receiving tip 83 formed with the stopper member 8 on the stopper member 8 has a stopper 65 of a pin insertion tube holding arm 66 that forms a pin insertion tube holding portion 64 of the connecting member 6 mounted on the holding member 5 described above. It inserts from the bottom plate 82 of the stopper member 8 so as to match. Then, the protrusions 85 protruding outward from the standing plate 86 of the stopper member 8 are fitted into the holes 54 formed in both the partition plates 52 of the holding member 5. As a result, the stopper member 8 is fixed to the holding member 5 and is not detached from the holding member 5. This state becomes the state shown in FIG. 5, and the connecting member 6 and the stopper member housed in the holding member 5 are housed in the state shown in FIG.

The assembly of the connector 4 for connecting the arm 1 and the wiper 2 according to the present invention is completed by the operation described above.

The horizontal rectangular plate 51 of the holding member 5 constituting the connector 4 that has been assembled by the above-described operation is fixed to the flat portion at the center of the back of the main stay 3 of the wiper 2 by conventional means as shown in FIG. As shown, the connecting tool 4 is used to attach the wiper 2 to the arm 1.

An operation procedure for attaching the wiper 2 to which the connecting tool 4 is fixed to the arm 1 will be described.

First, as shown in FIG. 2, the connecting member 6 that is rotatably mounted by the pin 9 from the holding member 5 of the connecting tool 4 fixed to the back of the main stay 3 of the wiper 2 is caused. In this state, the inverted equilateral triangular plate 62, which is a standing plate connected in parallel to the tip of the connecting member 6 via the connecting rod 63, stands up.
In this state, as shown in FIG. 7, the stopper 65 of the pin insertion tube holding arm 66 of the connecting member 6 housed in the holding member 5 is separated from the stopper receiver 83 formed at the tip of the extension rod 84 of the stopper member 8.
Between the inverted equilateral triangular plate 62 which is a standing plate arranged in parallel with the connecting member 6 in this state, a pin insertion which is a pin guide groove in which the thick portion 11 formed at the tip of the arm 1 is formed in the thick portion. The pipe impingement part 12 is inserted so as to impinge on the pin insertion pipe 7 disposed on the connecting member 6, and in this state, the pin insertion pipe 7 incorporating the groove into the connecting member 6 is impinged.

After the operation is completed, the tip of the connecting member 6 is pushed down to the original state.

By this operation, the insertion tube holding arm 66 that forms the pin insertion tube holding portion 64 of the connecting member 6 rotates in the direction of the extension rod 84 of the stopper member 8, and the pin insertion tube holding portion constituting the pin insertion tube holding portion is held. The stopper 65 formed on the arm 66 exhibits a function of being received by the stopper receiver 83 formed on the extension rod of the stopper member 8. This state is shown in FIG.
Thereby, the connection between the arm 1 and the wiper 2 is completed.

In this state, the pin insertion tube 7 through which the pin 9 arranged in the connecting member 5 is inserted is struck into the pin insertion tube holding portion 12 formed in the thick portion 11 at the tip of the arm. In this state, the notch opening of the long groove of the pin insertion tube 7 is held toward the pin insertion tube guide inclined groove 13 having a rising inclined surface that leads to the pin insertion tube holding portion 12.
Under this state, the inclined surface of the guide groove that forms the pin insertion portion of the arm 1 and the long groove that is the string-like notch portion of the pin insertion tube that is notched in a string shape that penetrates the pin 9 are matched, By pushing down the arm 1 toward the pin insertion tube cut into the long groove chord shape, the pin insertion tube with the long groove cut into a string shape can be fitted into the pin insertion tube 5 of the pin insertion tube holding portion of the arm 1. it can. Since the guide groove of the pin insertion tube holding portion of the arm 1 is made narrower than the diameter of the pin insertion tube 3, the pin insertion tube having a long groove cut into a string passing through the pin insertion tube 3 is an arm. It will not come off the pin insertion tube holding part.

When removing the wiper 2 connected to the arm 1 from the arm 1, the wiper 2 is rotatably disposed on the holding member by performing an operation opposite to the procedure described above for attaching the wiper 2 to the arm 1. The stopper of the pin insertion tube holding arm of the connecting member is released from the stopper receiver of the extension rod of the stopper member incorporated in the holder, causing the connecting tool to the state shown in FIG. 1, and the tip of the arm from between the standing plates of the connecting member The wiper can be pulled away from the lever by pulling out the thick part.

DESCRIPTION OF SYMBOLS 1 Arm 2 Wiper 4 Connecting tool 5 Holding member 6 Connecting member 7 Pin insertion pipe 8 Stopper member 62 Reverse equilateral triangular plate 65 Stopper 66 Pin insertion pipe holding arm 83 Stopper receiver 84 Extension rod

Claims (1)

A standing wall provided with a pin insertion hole for inserting a pin into a pin insertion tube fixed to the pin insertion tube holding portion of the connecting member on the upper side, and a protrusion fitting hole for fitting a protrusion formed on the standing plate of the stopper member To the opposite channel type holding member provided facing,
A pin having a connecting rod arranged on one end side of the horizontal side of the inverted equilateral triangular plate arranged in parallel, and a stopper protruding from the other end side toward the inclined side of the inverted equilateral triangular plate. Pin insertion tube holding arm is arranged to form a pin insertion tube holding portion, and the pin insertion tube holding portion is formed with a long groove slightly narrower than the pin diameter in the longitudinal direction of the outer peripheral surface of the tube One side of the opening of the long groove of the tube is matched with the oblique side of the inverted equilateral triangular plate, and the other side of the opening is matched with the tip side of the pin insertion tube holding arm that forms the pin insertion tube holding portion. Incorporating the pin insertion tube opening of the connecting member arranged between the equilateral triangular plates so as to coincide with the pin insertion hole provided in the standing wall of the holding member, the connecting member is connected to the pin insertion hole of the holding member. Through the pin toward the pin insertion tube fixed to With mounted so as to be rotatable member in the holding member,
An extension rod formed at the tip of a stopper plate that receives the rotation of the stopper of the pin insertion tube holding arm formed on the connecting member receiver on the left and right long sides of the rear side, with the front side of the rectangular plate as the floor plate portion, An arm and a wiper characterized in that a base plate portion of a stopper member in which a standing plate formed by projecting an outward projection on the base portion of the extension plate is arranged in parallel is positioned below the connecting member. Connecting tool to connect.

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