JP6620070B2 - Wiper blade - Google Patents

Description

  The present invention relates to a wiper blade attached to a wiper arm provided in a vehicle.

  The vehicle is equipped with a wiper device that wipes off dirt on the glass. A recent wiper device includes a metal wiper arm fixed to a vehicle, and a wiper blade having a rubber and detachably attached to the wiper arm. By configuring the wiper arm and the wiper blade as separate members, even when the rubber has deteriorated over time and needs to be replaced, the wiper blade can be replaced.

  For example, the wiper blade described in Patent Document 1 includes a rubber and a rubber holder (rubber holding member) that holds the rubber, and the rubber holder is provided with a claw for preventing the rubber from coming out. Yes.

Japanese Patent Laying-Open No. 2015-163485

  The conventional wiper blade of the tournament type can replace the rubber. However, the flat type wiper blade as in Patent Document 1 is simplified in size and reduced in size, so it cannot be provided with a rubber replacement structure. Can not replace the rubber. For this reason, it was necessary to replace the wiper blade itself. However, due to the deterioration of rubber over time, even when the wiper blade is replaced, the rubber holding member is not deteriorated and is often usable.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a wiper blade capable of exchanging rubber in a flat type wiper.

A wiper blade according to the present invention is a wiper blade that is attached to a wiper arm provided in a vehicle and wipes a transparent portion of the vehicle, and a rubber that wipes the transparent portion of the vehicle, and the rubber is detachably inserted. A rubber holding member that detachably holds the rubber, and a stopper that is detachably attached to the rubber holding member and supports the rubber so as not to come out of the insertion portion, the rubber holding member, the mounting hole formed for attaching the stopper, the stopper includes a body portion, is inserted from above into the mounting hole, and a mounting portion for covering the part of the previous SL mounting hole from above, pressable be provided from outside, and for detaching the pressing portion for removing the pre-Symbol stopper Ri by the pressing from the rubber holding member, and the mounting portion and the debonding pressing portion Provided between, comprising: a connecting portion for connecting the mounting portion and the debonding pressing portion, one end connected to the main body portion, and a connecting portion to which the other end is connected to the connecting portion, said The attaching portion and the detaching pressing portion are provided so that when the force is applied from the outside, the connecting portion is deformed so as to be rotatable in the vertical direction with the connecting portion as a fulcrum. Between the insertion state inserted from above and the disengagement state removed from the attachment hole, the connection portion can be rotated as a fulcrum, and the insertion state is established when attached to the rubber holding member. The stopper is attached to the rubber holding member, and when the attachment portion is in the insertion state, when the removal pressing portion is pressed from the outside and rotates around the connection portion, the connection portion serves as a fulcrum. Above Characterized in that it rotates in the disengaged state from the ON state.

  According to the wiper blade of the present invention, the stopper that supports the rubber so as not to come out of the insertion portion of the rubber holding member is detachably attached to the rubber holding member. Can be exchanged.

  Furthermore, since the stopper can be removed by pressing the stopper pressing portion from the outside, the stopper can be easily removed.

Moreover, it is preferable that the rubber holding member includes a metal plate that is formed of resin, extends from one end to the other end of the rubber holding member in the longitudinal direction of the rubber, and is held by the rubber holding member .

  According to this configuration, the rubber holding member is formed of resin, so that the weight can be reduced and the rigidity can be ensured by the metal plate.

The perspective view which shows a wiper blade. The disassembled perspective view which shows a wiper blade. The perspective view which shows a flame | frame and a clip base. Sectional drawing which shows a clip base and a clip. Sectional drawing which shows a flame | frame and a clip base. The perspective view which shows a stopper. The top view which shows a stopper. Sectional drawing which shows a flame | frame and a stopper.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, the wiper blade 2 includes a frame 3 (rubber holding member), a rubber 4, a stopper 5, a clip base 6, and a clip 7. Two stoppers 5, one each at the left and right ends of the frame 3, are provided.

  As shown in FIGS. 2 and 3, the frame 3 is hollow and formed of, for example, resin. The frame 3 is formed with a metal plate insertion portion 3a into which a metal plate 11 (see FIG. 5) for ensuring the rigidity of the wiper blade 2 is inserted, and a rubber insertion portion 3b into which the rubber 4 is inserted. .

  An insertion recess 3c into which the clip base 6 is inserted is formed in the metal plate insertion portion 3a. A total of four insertion recesses 3c, two on the front side and two on the rear side, are formed.

  On the upper surface of the frame 3, an attachment hole 3d and a notch 3e for attaching the stopper 5 are formed. The mounting hole 3d and the notch 3e are formed at the left and right ends, respectively.

  The rubber 4 is for wiping the windshield (transparent part) of the vehicle, and two concave parts 4a (see FIG. 5D) are formed over the entire length. A metal plate 15 (see FIG. 5D) is inserted into each of the two recesses 4a.

  The stopper 5 prevents the rubber 4 and the metal plate 11 from coming out of the frame 3 and is detachably attached to the frame 3 as will be described in detail later.

  The clip base 6 is formed of resin, for example. The clip base 6 is formed with four insertion convex portions 6 a that are inserted into the insertion concave portions 3 c of the frame 3. The insertion convex portion 6a is formed at a position corresponding to the four insertion concave portions 3c. Each of the insertion protrusions 6a is formed with a metal plate insertion recess 6b into which the metal plate 11 is inserted.

  The clip base 6 is formed with a D-cut D-cut shaft portion 6 c that rotatably supports the clip 7, and a convex restricting portion 6 d that restricts the rotation of the clip 7. One restriction portion 6d is formed on each of the front inner wall surface and the rear inner wall surface.

  The clip 7 includes a main body portion 7a, a front plate portion 7b, and a rear plate portion 7c. The main body portion 7a is formed with a well-known attachment portion (not shown) so as to be detachably attached to a wiper arm provided in the vehicle.

  The front plate portion 7b and the rear plate portion 7c are formed to be elastically deformable so as to get over the restricting portion 6d when the clip 7 is attached to the clip base 6. The front plate portion 7b and the rear plate portion 7c are formed with restriction recesses 7d in which the restriction portions 6d are accommodated after getting over the restriction portions 6d.

  The clip 7 is formed with a notch 7e into which the D-cut shaft portion 6c of the clip base 6 is inserted so as to penetrate the main body portion 7a, the front plate portion 7b, and the rear plate portion 7c. The notch 7e includes a support hole 7f into which the D-cut shaft portion 6c is inserted, and a guide notch 7g that guides the D-cut shaft portion 6c to the support hole 7f.

  The support hole 7f is formed at an angle of about 240 °, and the entrance width W1 is formed to be slightly wider than the D-cut portion width W2 of the D-cut shaft portion 6c (see FIG. 4). The support hole 7f has the same diameter as the circular portion of the D-cut shaft portion 6c. Note that the same diameter includes a diameter in which the support hole 7f is slightly larger than the circular portion of the D-cut shaft portion 6c. The guide notch 7g is formed so that the width of the entrance is wider than the D-cut portion width W2 of the D-cut shaft portion 6c.

  An attachment process when attaching the clip 7 to the clip base 6 will be described.

  When attaching the clip 7 to the clip base 6, first, as shown in FIG. 4A, first, the entrance of the support hole 7f of the clip 7 is opposed to the D cut portion of the D cut shaft portion 6c of the clip base 6. Set clip 7. 4A to 4E, only the clip base 6 is shown in a sectional view.

  Next, as shown in FIG. 4B, the D-cut shaft portion 6c is inserted along the guide cutout 7g and inserted into the support hole 7f. The guide notch 7g is formed so that the width of the inlet is wider than the D-cut portion width W2 of the D-cut shaft portion 6c, and the support hole 7f has an inlet width W1 larger than the D-cut portion width W2 of the D-cut shaft portion 6c. Since it is formed to be slightly wide, the D-cut shaft portion 6c can be easily inserted into the support hole 7f. Thereby, compared with what inserts a circular shaft part in a support hole, since the force at the time of inserting D cut shaft part 6c in support hole 7f may be small, the D cut shaft part 6c at the time of insertion is sufficient. Breakage can be prevented.

  When the D-cut shaft portion 6c is inserted into the support hole 7f until the state shown in FIG. 4C, the clip 7 is rotatably supported by the clip base 6 around the D-cut shaft portion 6c.

  As shown in FIG. 4D, when the clip 7 is rotated counterclockwise around the D-cut shaft portion 6c, the front plate portion 7b and the rear plate portion 7c are deformed so as to get over the restricting portion 6d and get over After that, it is elastically deformed to its original shape. Thereby, the restricting portion 6d is accommodated in the restricting recess 7d, and when the clip 7 is attached to the clip base 6 and rotated, the wall surface forming the restricting recess 7d abuts on the restricting portion 6d, and the clip 7 Rotation is regulated.

  In the present embodiment, the clip 7 can rotate between the state shown in FIG. 4D and the state shown in FIG. 4E. In this rotatable range, since the maximum width portion of the support hole 7f of the clip 7 is inserted into the maximum width portion of the D-cut shaft portion 6c, the clip 7 is supported by the clip base 6 so as not to be detached. Yes.

  Next, a process for attaching the rubber 4 and the clip base 6 to the frame 3 will be described.

  As shown in FIG. 5A, first, the clip base 6 is set so that the insertion convex portion 6 a is positioned above the insertion concave portion 3 c of the frame 3. In addition, illustration of the clip 7 is abbreviate | omitted in FIGS. 5A-5D.

  As shown in FIG. 5B, after inserting the insertion convex portion 6 a of the clip base 6 into the insertion concave portion 3 c of the frame 3, the metal plate 11 is inserted into the metal plate insertion portion 3 a of the frame 3. The metal plate 11 is a plate having almost the same length as the frame 3, and when the metal plate 11 is inserted to the end of the metal plate insertion portion 3a of the frame 3, as shown in FIG. 6 is inserted into the metal plate insertion recess 6b. Thereby, the clip base 6 is attached to the frame 3.

  Then, as shown in FIG. 5D, the rubber 4 is inserted into the rubber insertion portion 3 b of the frame 3. Thereby, the rubber 4 is attached to the frame 3. Since the metal plate 15 is inserted into the recess 4a of the rubber 4, the unit composed of the rubber 4 and the metal plate 15 has a predetermined rigidity and can be easily inserted into the rubber insertion portion 3b. ing.

  As shown in FIGS. 6-8, the stopper 5 is provided with the main-body part 5a and the recessed part 5b formed in this main-body part 5a, and the metal plate insertion part 3a of the flame | frame 3 is inserted. The stopper 5 includes an attachment portion 5c inserted into the attachment hole 3d of the frame 3, a removal pressing portion 5d, a connection portion 5e connecting the attachment portion 5c and the removal pressing portion 5d, a connection portion 5e, and a main body portion. A connecting portion 5f for connecting 5a is formed.

  The attachment portion 5c protrudes downward, and is formed in a tapered shape so that the amount of protrusion increases from the near side (left side in FIG. 8) toward the back side (right side in FIG. 8). The removal pressing portion 5d is a portion pressed by an operator who performs the removal work of the stopper 5, and protrudes upward.

  The attachment portion 5c and the removal pressing portion 5d are not connected to the main body portion 5a, and a part of the connection portion 5e is connected to the main body portion 5a via the connection portion 5f. Thereby, the attachment part 5c and the removal pressing part 5d can be elastically deformed.

  When attaching the stopper 5 to the frame 3, first, as shown in FIG. 8A, the stopper 5 is set so that the concave portion 5 b of the stopper 5 is positioned on the side of the metal plate insertion portion 3 a of the frame 3. In addition, illustration of the rubber 4 and the metal plate 11 is abbreviate | omitted in FIG. 8A-FIG. 8D.

  As shown in FIG. 8B, when the metal plate insertion portion 3a is inserted into the recess 5b, the upper surface of the frame 3 comes into contact with the attachment portion 5c, and the attachment portion 5c and the removal pressing portion 5d are deformed.

  8C, when the metal plate insertion portion 3a is inserted to the back of the recess 5b, the attachment portion 5c and the removal pressing portion 5d are elastically deformed to the original shape, and the attachment portion 5c is attached to the frame 3. The stopper 5 is attached to the frame 3 by being inserted into the hole 3d. The two stoppers 5 are attached to the frame 3 by the same attachment method.

  When the wiper blade 2 is attached to a wiper arm of a vehicle and used, the rubber 4 may deteriorate over time and the wiping performance may be lowered. In this case, the worker performs a replacement work for replacing the rubber 4.

  In the replacement work, first, the operator removes the stopper 5. When removing the stopper 5, as shown in FIG. 8D, the pressing portion 5d for removing the stopper 5 is pressed from above to deform the mounting portion 5c and the removing pressing portion 5d. Due to this deformation, the mounting portion 5c is disengaged from the mounting hole 3d of the frame 3, and the frame 3 is moved to the left in FIG. 8D, so that the state shown in FIG. 8A is achieved via the state shown in FIG. 3 is removed. In addition, since the notch 3e is formed in the frame 3 at a portion facing the removal pressing portion 5d, the removal pressing portion 5d can be easily pressed.

  After removing the stopper 5, the rubber 4 is removed from the frame 3, and a new rubber 4 is attached to the frame 3. Then, the stopper 5 is attached to the frame 3 again.

  In this way, the stopper 5 can be easily detached from the frame 3 and the rubber 4 can be replaced simply by pressing the pressing portion 5d for removing the stopper 5, so that the work efficiency can be improved.

  In the above embodiment, the wiper blade 2 is also linear by using the linear metal plate 11, but the wiper blade may be curved by using a curved metal plate.

  In the above embodiment, the D-cut shaft portion 6c is formed on the clip base 6. However, the shaft portion is not limited to the D-cut as long as the shaft portion is partially cut away.

  In the above embodiment, the D-cut shaft portion 6c is formed in the clip base 6, and the support hole 7f and the guide cutout 7g are formed in the clip 7. However, the support hole and the guide cutout are formed in the clip base 6, A D-cut shaft portion may be formed on the clip 7.

  In the above embodiment, the frame 3 is formed of resin and the metal plate 11 is provided to increase rigidity. However, the frame 3 may be formed of metal, and in this case, the metal plate 11 is not necessary. .

  In the above embodiment, the present invention is applied to the wiper blade that wipes the windshield of the vehicle. However, the wiper blade can be applied to any wiper blade that wipes the transparent portion of the vehicle. For example, the transparent cover of the headlight is wiped off. You may apply to the wiper blade.

  2 ... wiper blade, 3 ... frame, 3a ... metal plate insertion portion, 3b ... rubber insertion portion, 3c ... insertion recess, 3d ... mounting hole, 3e ... notch, 4 ... rubber, 4a ... recess, 5 ... stopper, 5a ... body part, 5b ... concave part, 5c ... mounting part, 5d ... detaching pressing part, 5e ... connection part, 5f ... coupling part, 6 ... clip base, 6a ... insertion convex part, 6b ... metal plate insertion concave part, 6c ... D-cut shaft portion, 6d ... regulating portion, 7 ... clip, 7a ... main body portion, 7b ... front plate portion, 7c ... rear plate portion, 7d ... regulating recess portion, 7e ... notch, 7f ... support hole, 7g ... guide cut Not, 11, 15 ... Metal plate

Claims (2)

A wiper blade attached to a wiper arm provided in a vehicle and wiping the transparent part of the vehicle,
Rubber for wiping the transparent part of the vehicle;
A rubber holding member that includes an insertion portion into which the rubber is detachably inserted, and holds the rubber in a detachable manner;
A stopper that is detachably attached to the rubber holding member, and supports the rubber so as not to come out of the insertion portion;
With
An attachment hole for attaching the stopper is formed in the rubber holding member,
The stopper is
The main body,
Is inserted from above into the mounting hole, and a mounting portion for covering the part of the previous SL mounting hole from above,
Pressable be provided from outside, and for detaching the pressing portion for removing the pre-Symbol stopper Ri by the pressing from the rubber holding member,
A connecting portion provided between the attachment portion and the removal pressing portion, and connecting the attachment portion and the removal pressing portion;
One end is connected to the main body, and the other end is connected to the connecting portion;
With
The attaching portion and the detaching pressing portion are provided so as to be rotatable in the vertical direction with respect to the connecting portion as a fulcrum when the force is applied from the outside.
The attachment portion is rotatable between the insertion state inserted into the attachment hole from above and the disengagement state removed from the attachment hole with the connecting portion as a fulcrum, and when attaching to the rubber holding member, In the inserted state, the stopper is attached to the rubber holding member in the inserted state,
The attachment portion rotates from the insertion state to the disengaged state using the connecting portion as a fulcrum when the detaching pressing portion is pressed from the outside and rotated using the connecting portion as a fulcrum in the inserted state. A wiper blade characterized by that. The wiper blade according to claim 1,
The rubber holding member is formed of resin,
A wiper blade comprising a metal plate extending from one end of the rubber holding member to the other end in the longitudinal direction of the rubber and held by the rubber holding member.