CN211107319U - Rocker arm connecting device and windscreen wiper - Google Patents

Abstract

The utility model discloses a rocking arm connecting device and wiper, rocking arm connecting device pin joint are on a rocking arm link, and rocking arm connecting device includes rocking arm, connecting seat and locking piece, the rocking arm has the cover body that the cross section is the U-shaped, the tip of cover body on vertical is equipped with supports the wall portion, the bottom of the horizontal lateral wall of cover body is equipped with at least a latch hook, be equipped with on the horizontal lateral wall of connecting seat with the latch hook one-to-one and constitute L shape's slot part by vertical groove and longitudinal groove intercommunication, the cover body is suitable for being removed in order to assemble into the connecting seat, in the assembly process, the latch hook gets into the longitudinal groove again after advancing into vertical groove, and when the cover body assembles in place on the connecting seat, the latch hook card is on the longitudinal groove and the vertical wall that supports of connecting seat with support the vertical one side of wall portion and offset, the locking piece is connected on the connecting seat the utility model discloses make things convenient for the connection of skeleton and rocking arm.

Description

Rocker arm connecting device and windscreen wiper

Technical Field

The utility model relates to a rocking arm connecting device and wiper.

Background

In the past, a wiper is used to remove foreign matters, rain and snow during the driving of an automobile, and to prevent the driver from being obstructed in view ahead, and a motor drives a link device connected by a wiper arm to perform a repeated reciprocating motion in a fan shape; in the windscreen wiper in the prior art, a rocker arm connecting device for connecting a rocker arm is complex, and the phenomenon of looseness is easy to occur after long-time use; in addition, the bending of the scraping strip is limited by a bracket in the wiper, and the scraping strip is not attached to the surface of the automobile glass under the condition that the swinging points of the bracket are not too many, so that the effect of cleaning the glass is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art's defect, provide a rocking arm connecting device, it has made things convenient for the connection of skeleton and rocking arm, makes firm in connection between it, and the pine takes off not.

The utility model provides a technical scheme that above-mentioned technical problem took is: a rocker arm connecting device is pivoted on a rocker arm connecting frame and comprises:

the rocker arm is provided with a cover part with a U-shaped cross section, the end part of the cover part in the longitudinal direction is provided with a wall abutting part, and the bottom end of the transverse side wall of the cover part is provided with at least one locking hook;

the connecting base is provided with groove parts which correspond to the lock hooks one by one and are formed into an L shape by communicating the vertical grooves and the longitudinal grooves, the cover part is suitable for being moved to be assembled into the connecting base, in the assembling process, the lock hooks firstly enter the vertical grooves and then enter the longitudinal grooves, and when the cover part is assembled in place on the connecting base, the lock hooks are clamped on the longitudinal grooves, and the longitudinal abutting walls of the connecting base abut against one longitudinal side of the abutting wall part;

the locking piece is connected to the connecting seat, the locking piece is suitable for being longitudinally inserted into the connecting seat and an assembly body formed by assembling the rocker arm in place, and the locking piece abuts against the longitudinal other side of the abutting wall portion after being assembled on the assembly body in place.

Further, the rocker arm connecting frame comprises a rocker arm connecting seat connecting part, and the rocker arm connecting seat connecting part comprises two transverse connecting side walls and a hinge shaft connected between the two transverse connecting side walls;

the connecting seat is provided with a first hinge hole with a first opening, the locking piece is provided with a second hinge hole with a second opening, after the locking piece is assembled on the assembly body in place, the second opening and the first opening form an inlet opening, and the second hinge hole and the first hinge hole form a hinge hole;

the connecting socket is adapted to fit into the area between the two transverse connecting side walls and the hinge shaft is snapped into the hinge bore from the access opening.

Further, the locking piece comprises a guide insertion part and a limiting cap part, the guide insertion part is suitable for being inserted into a guide insertion hole formed in the connecting seat along the longitudinal direction, and the limiting cap part is abutted against the other longitudinal side of the abutting wall part after the guide insertion part is inserted into the guide insertion hole in place.

Further, the guide insertion part is provided with at least one side wing on the lateral outer side wall thereof;

the guide insertion hole is provided with a guide groove on the transverse inner side wall, wherein the guide groove is matched with the corresponding side wing to guide the insertion direction.

Furthermore, a separation prevention mechanism is arranged between the locking piece and the connecting seat, and the locking piece is assembled into the connecting seat and then is prevented from separating from the connecting seat under a natural state.

Further, the disengagement prevention mechanism includes:

the catching groove is arranged on the locking piece;

the anti-separation hook is arranged on the connecting seat; wherein the content of the first and second substances,

after the locking piece is assembled in place on the assembly body, the anti-separation hook is embedded in the buckling groove.

The utility model also provides a wiper, it includes:

a rocker arm connecting device;

the support is arranged in a longitudinally extending mode and comprises a main body support and at least one elastic sheet which is pivoted to the corresponding end of the main body support in a vertical mode and has a certain swinging freedom degree, and at least one first buckle sheet is arranged on the elastic sheet;

the middle part of the rotating bracket is pivoted on the main body bracket with a certain swinging freedom degree in the vertical direction, and the rotating bracket is provided with at least one second buckle sheet;

and the scraping strip is buckled by the first buckle sheet and the second buckle sheet from the two transverse sides of the scraping strip.

Further, the elastic piece is pivoted to the corresponding end part of the main body bracket through a steering support; wherein the content of the first and second substances,

the steering support comprises a pair of half supports which are transversely connected to clamp the elastic sheet in a transverse mode;

and an elastic sheet pin joint mechanism is arranged between the transverse side wall of the steering support and the corresponding transverse side wall of the main body bracket.

Furthermore, the elastic sheet pivoting mechanism comprises an elastic sheet pivoting column and an elastic sheet pivoting hole which are matched and connected with each other through a shaft hole.

Further, the rotating bracket is pivoted on the main body bracket through a pivoting support; wherein the content of the first and second substances,

an anti-falling clamping mechanism is arranged between the transverse side wall of the pivoting support and the corresponding transverse side wall of the main body bracket;

and a rotating bracket pivoting mechanism is arranged between the transverse side wall of the pivoting support and the corresponding transverse side wall of the rotating bracket.

Further, the anti-falling clamping mechanism comprises:

the clamping hole is arranged on the transverse side wall of the main body bracket and is provided with an opening;

locate the joint portion on the corresponding horizontal lateral wall of pin joint support, joint portion is suitable for follow the opening part card income the card hole, and the open-ended size is less than the biggest size in order to avoid the card portion of card income card hole breaks away from out the card hole under natural state.

Furthermore, an anti-swing structure for preventing the pivoting support from swinging vertically relative to the main body support is arranged between the transverse side wall of the pivoting support and the corresponding transverse side wall of the main body support; wherein, prevent pendulum structure includes:

a baffle groove formed by two baffle walls extending from two sides of the opening;

and the two sides of the check block are provided with matched retaining walls which are suitable for being abutted and matched with the corresponding retaining walls after the clamping portion is clamped into the clamping hole.

Further, the rotating support pivoting mechanism comprises a rotating support pivoting column and a rotating support pivoting hole which are connected through a shaft hole in a matched mode.

Furthermore, two ends of the main body bracket are respectively pivoted with an elastic sheet;

and/or the free end of the elastic sheet is provided with a first buckle sheet;

and/or the main body bracket is pivoted with the two rotating brackets, and the two rotating brackets are longitudinally and symmetrically arranged relative to the center of the main body bracket;

and/or two ends of the rotating bracket are respectively provided with a second buckle sheet.

Further, the rocker arm link includes a base plate and a rocker arm link seat coupling portion coupled to the base plate, and the base plate is fixedly coupled to the body bracket;

it still includes:

the outer clamping piece wraps the corresponding part of the base plate and the connecting base plate on the main body bracket, and is provided with a positioning hole groove which is matched with the connecting part of the rocker arm connecting seat in a positioning way and exposes the connecting part of the rocker arm connecting seat;

the end decorative clamping piece is inserted into the end part of the external clamping piece and covers part of the main body bracket and all the corresponding elastic pieces.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

1. the method comprises the steps that a cover body is assembled into a connecting seat, in the assembling process, a lock hook enters a vertical groove and then enters a longitudinal groove, when the cover body is assembled on the connecting seat in place, the lock hook is clamped on the longitudinal groove, so that a longitudinal abutting wall of the connecting seat abuts against one longitudinal side of the abutting wall, then the lock piece is longitudinally moved to be inserted into an assembly body formed by assembling the connecting seat and a rocker arm in place, after the lock piece is assembled on the assembly body in place, the lock piece abuts against the other longitudinal side of the abutting wall, and then the formed assembly body is connected to a rocker arm connecting frame.

2. The utility model discloses an elastic sheet of the both sides of main part support can make and scrape the swing of strip both ends, rotates the intermediate part swing that the support can make and scrape the strip, and the swing point obviously increases, makes this windscreen wiper can laminate car glass better like this to the clear effect of car glass has been improved.

Drawings

Fig. 1 is a perspective view of a wiper blade according to the present invention;

fig. 2 is an exploded view of the wiper blade of the present invention;

fig. 3 is a perspective view of the main body bracket of the present invention;

fig. 4 is a perspective view of the steering support of the present invention;

FIG. 5 is a perspective view of the pivot support of the present invention;

fig. 6 is a perspective view of the rotating bracket of the present invention;

fig. 7 is a perspective view of the rocker arm connecting bracket of the present invention;

fig. 8 is a perspective view of the rocker arm of the present invention;

fig. 9 is a perspective view of a locking member of the present invention;

fig. 10 is a perspective view of the connection seat of the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

Example one

As shown in fig. 1, 2, 8-10, a rocker arm connecting device is pivotally connected to a rocker arm connecting frame 6, and comprises:

the rocker arm 10 is provided with a cover part 10a with a U-shaped cross section, the end part of the cover part 10a in the longitudinal direction is provided with a wall abutting part 10b, and the bottom end of the lateral side wall of the cover part 10a is provided with at least one locking hook 10 c;

the connecting base 8, there are slot portions corresponding to latch hook 10c one-to-one on the horizontal sidewall of the said connecting base 8 and communicating and forming L shape by vertical slot 81 and longitudinal slot 83, the said cover portion 10a is suitable for being moved in order to assemble into the connecting base 8, in the course of assembling, the said latch hook 10c enters the longitudinal slot 83 after entering the vertical slot 81 first, and when the said cover portion 10a is assembled in place on the connecting base 8, the said latch hook 10c is blocked on the longitudinal slot 83 and the longitudinal abutting wall of the said connecting base 8 is supported against one side of longitudinal direction of the wall abutting portion 10 b;

the locking piece 9 is connected to the connecting seat 8, the locking piece 9 is suitable for being longitudinally inserted into an assembly body formed by assembling the connecting seat 8 and the rocker arm 10 in place, and after the locking piece 9 is assembled in place on the assembly body, the locking piece 9 abuts against the other longitudinal side of the abutting wall portion 10 b.

In this embodiment, two latch hooks 10c are respectively disposed at the bottom ends of two lateral side walls of the cover portion 10a, and two corresponding groove portions are also disposed on each lateral side wall of the connecting seat 8.

Assembling a cover part 10a into a connecting seat 8, wherein in the assembling process, a lock hook 10c enters a vertical groove 81 and then enters a longitudinal groove 83, when the cover part 10a is assembled on the connecting seat 8 in place, the lock hook 10c is clamped on the longitudinal groove 83, so that a longitudinal abutting wall of the connecting seat 8 abuts against one longitudinal side of the abutting wall part 10b, then, a locking part 9 is longitudinally moved, the locking part 9 is longitudinally inserted into an assembly body formed by assembling the connecting seat 8 and a rocker arm 10 in place, after the locking part 9 is assembled on the assembly body in place, the locking part 9 abuts against the other longitudinal side of the abutting wall part 10b, and then the formed assembly body is connected to a rocker arm connecting frame 6, so that the framework of the windscreen wiper is firmly connected with the rocker arm, and the phenomenon of loosening and even separation is avoided.

Specifically, as shown in fig. 2 and 7, the rocker arm link 6 includes a rocker arm link base connecting portion 62, and the rocker arm link base connecting portion 62 includes two lateral connecting side walls 62a and a hinge shaft 62b connected between the two lateral connecting side walls 62 a;

a first hinge hole 82 with a first opening 82a is formed in the connecting seat 8, a second hinge hole 91 with a second opening 91a is formed in the locking piece 9, after the locking piece 9 is assembled in place on an assembly body, the second opening 91a and the first opening 82a form an inlet opening, and the second hinge hole 91 and the first hinge hole 82 form a hinge hole;

the coupling socket 8 is adapted to fit into the area between the two lateral coupling side walls 62a and the hinge shaft 62b is snapped into the hinge hole from the access opening.

Specifically, as shown in fig. 9, the lock member 9 includes a guide insertion portion 92 and a position-limiting cap portion 93, the guide insertion portion 92 is adapted to be inserted into a guide insertion hole provided on the connecting holder 8 in the longitudinal direction, and after the guide insertion portion 92 is inserted into position in the guide insertion hole, the position-limiting cap portion 93 abuts against the other longitudinal side of the abutting wall portion 10 b.

Specifically, as shown in fig. 9, the guide insertion portion 92 is provided on its lateral outer side wall with at least one side wing 92 a;

the guide insertion holes are provided on the lateral inner side walls with guide grooves adapted to the respective flanks 92a to guide the insertion direction.

Specifically, as shown in fig. 9, a separation preventing mechanism is provided between the locking member 9 and the connecting section 8, wherein the locking member 9 is assembled into the connecting section 8 and then prevents the locking member 9 from separating from the connecting section 8 in a natural state.

The disengagement prevention mechanism includes:

a catching groove arranged on the locking piece 9;

the anti-separation hook is arranged on the connecting seat 8; wherein the content of the first and second substances,

after the locking piece 9 is assembled in place on the assembly body, the anti-separation hook is embedded in the buckling groove.

Example two

As shown in fig. 1 to 10, a wiper includes:

the rocker arm connecting device in the first embodiment;

the support is arranged in a longitudinally extending mode and comprises a main body support 11 and at least one elastic piece 12 which is pivoted to the corresponding end of the main body support 11 in a vertical mode and has a certain swinging freedom degree, and at least one first buckle piece 12a is arranged on the elastic piece 12;

the rocker arm connecting frame 6 is pivoted with the rocker arm connecting device, and the rocker arm connecting frame 6 is fixedly connected to the main body bracket 11;

at least one rotating bracket 2 with a certain swing freedom degree in the vertical direction and pivoted on the main body bracket 11, wherein at least one second buckle piece 21 is arranged on the rotating bracket 2;

and the scraper bar 3 is buckled by the first buckle piece 12a and the second buckle piece 21 from two transverse sides of the scraper bar 3.

The elastic pieces 12 on the two sides of the main body support 11 can enable the two ends of the scraping strip 3 to swing, the rotating support 2 can enable the middle part of the scraping strip 3 to swing, and the swinging points are obviously increased, so that the wiper can better fit the car glass, and the effect of cleaning the car glass is improved.

Specifically, as shown in fig. 2, a manner of pivoting the elastic piece 12 to the corresponding end of the main body bracket 11 is illustrated, which is as follows: the elastic piece 12 is pivoted at the corresponding end part of the main body bracket 11 through a steering support 4; wherein the content of the first and second substances,

the steering support 4 comprises a pair of half supports 41 which are transversely connected to clamp the elastic sheet 12 in a transverse mode; the mode that turns to 4 joint flexure strips 12 of support has a lot of varieties, in this embodiment, through vertically setting up the protruding draw-in groove structure of card that adjacent setting was gone up to the support 4 that turns to, sets up the protruding structure of draw-in groove card on the flexure strip 12 that corresponds, when two halves support 41 turned to the connection, just in time made the protruding draw-in groove structure of card and the protruding structure of draw-in groove card to inlay and join in marriage for flexure strip 12 is difficult to break away from on turning to support 4.

Specifically, an elastic sheet pivoting mechanism is arranged between the transverse side wall of the steering support 4 and the corresponding transverse side wall of the main body support 11.

Specifically, as shown in fig. 4, the spring plate pivoting mechanism includes, for example, but not limited to, a spring plate pivoting post 41a and a spring plate pivoting hole 11a, which are coupled to each other through a shaft hole. In this embodiment, the elastic sheet pivot hole 11a is disposed on the main body bracket 11, and the elastic sheet pivot post 41a is disposed on the steering support 4.

Fig. 2 shows a manner of pivoting the rotating bracket 2 to the main bracket 11, and particularly, the rotating bracket 2 is pivoted to the main bracket 11 through a pivoting support 5; wherein the content of the first and second substances,

an anti-falling clamping mechanism is arranged between the transverse side wall of the pivoting support 5 and the corresponding transverse side wall of the main body bracket 11;

and a rotating bracket pivoting mechanism is arranged between the transverse side wall of the pivoting support 5 and the corresponding transverse side wall of the rotating bracket 2.

As shown in fig. 2, 3 and 5, the anti-falling off clamping mechanism includes, for example and without limitation, the following structures:

a clamp hole 11c provided on a lateral side wall of the main body bracket 11 and having an opening 11 b;

and the clamping parts 51 are arranged on the corresponding transverse side walls of the pivoting support 5, the clamping parts 51 are suitable for being clamped into the clamping holes 11c from the openings 11b, and the size of the openings 11b is smaller than the maximum size of the clamping holes 11c so as to prevent the clamping parts 51 clamped into the clamping holes 11c from being separated from the clamping holes 11c in a natural state.

As shown in fig. 2, 3 and 5, an anti-swing structure is further disposed between a lateral side wall of the pivot support 5 and a corresponding lateral side wall of the main body support 11 to prevent the pivot support 5 from swinging vertically relative to the main body support 11; wherein, prevent pendulum structure includes:

a baffle groove formed by two baffle walls 11d extending from two sides of the opening 11 b;

and the two sides of the stopper 52 are provided with matched stopping walls which are suitable for being abutted and matched with the corresponding stopping walls 11d after the clamping part 51 is clamped into the clamping hole 11 c.

As shown in fig. 6, the pivoting mechanism of the rotating bracket includes a rotating bracket pivoting post and a rotating bracket pivoting hole 22, which are connected with each other through a shaft hole in a matching manner; in this embodiment, the pivot holes 22 are formed on the rotating frame 2, and the pivot posts are formed on the pivot supports 5.

As shown in fig. 2, which shows a specific structure of the wiper, two ends of the main body bracket 11 are respectively pivoted with an elastic piece 12;

the free end of the elastic sheet 12 is provided with a first buckle sheet 12 a;

the main body bracket 11 is pivoted with the two rotating brackets 2, and the two rotating brackets 2 are longitudinally and symmetrically arranged relative to the center of the main body bracket 11;

two ends of the rotating bracket 2 are respectively provided with a second buckle piece 21.

As shown in fig. 2, the rocker link base includes a base plate 61 and a rocker link base connecting portion 62 connected to the base plate 61, and the base plate 61 is fixedly connected to the body frame 11;

the wiper further includes:

the outer clamping piece 71 wraps the corresponding part of the base plate 61 and the connecting base plate on the main body bracket 11, and a positioning hole groove 71a which is matched with the connecting part 62 of the rocker arm connecting seat in a positioning way and exposes the connecting part 62 of the rocker arm connecting seat is arranged on the outer clamping piece 71;

an end decorative clip 73 inserted into the end of the external clip 71 and covering a part of the main body bracket 11 and all the corresponding elastic pieces 12.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (15)

1. A rocker arm connecting device is pivoted on a rocker arm connecting frame (6), and is characterized by comprising:

the rocker arm (10) is provided with a cover part (10 a) with a U-shaped cross section, the end part of the cover part (10 a) in the longitudinal direction is provided with a wall abutting part (10 b), and the bottom end of the lateral side wall of the cover part (10 a) is provided with at least one locking hook (10 c);

the connecting seat is characterized in that a connecting seat (8) is arranged on the transverse side wall of the connecting seat (8), the transverse side wall of the connecting seat (8) corresponds to a locking hook (10 c) in a one-to-one mode, a groove part in an L shape is formed by communicating a vertical groove (81) with a longitudinal groove (83), the cover part (10 a) is suitable for being moved to be assembled into the connecting seat (8), in the assembling process, the locking hook (10 c) enters the vertical groove (81) and then enters the longitudinal groove (83), when the cover part (10 a) is assembled in place on the connecting seat (8), the locking hook (10 c) is clamped on the longitudinal groove (83), and the longitudinal abutting wall of the connecting seat (8) abuts against one longitudinal side of the abutting wall part (10 b;

the locking piece (9), locking piece (9) are connected on connecting seat (8), locking piece (9) are suitable for along longitudinal insertion connecting seat (8) with the assembly body after rocking arm (10) assemble the target in place, and after locking piece (9) assemble the target in place on the assembly body, locking piece (9) support lean on the vertical opposite side of wall portion (10 b).

2. The rocker arm attachment of claim 1,

the rocker arm connecting frame (6) comprises a rocker arm connecting seat connecting part (62), and the rocker arm connecting seat connecting part (62) comprises two transverse connecting side walls (62 a) and a hinge shaft (62 b) connected between the two transverse connecting side walls (62 a);

a first hinge hole (82) with a first opening (82 a) is formed in the connecting base (8), a second hinge hole (91) with a second opening (91 a) is formed in the locking piece (9), after the locking piece (9) is assembled on an assembly body in place, the second opening (91 a) and the first opening (82 a) form an inlet opening, and the second hinge hole (91) and the first hinge hole (82) form a hinge hole;

the connecting socket (8) is adapted to fit into the area between the two transverse connecting side walls (62 a) and the hinge shaft (62 b) is snapped into the hinge bore from the access opening.

3. The rocker arm attachment of claim 1,

the locking piece (9) comprises a guide insertion part (92) and a limiting cap part (93), the guide insertion part (92) is suitable for being inserted into a guide insertion hole formed in the connecting seat (8) along the longitudinal direction, and after the guide insertion part (92) is inserted in place in the guide insertion hole, the limiting cap part (93) abuts against the other longitudinal side of the abutting wall part (10 b).

4. The rocker arm attachment of claim 3,

the guide insert (92) is provided with at least one flank (92 a) on its lateral outer side wall;

the guide insertion hole is provided on a lateral inner side wall with a guide groove adapted to a corresponding flank (92 a) to guide an insertion direction.

5. The rocker arm attachment of claim 1,

a separation preventing mechanism which is used for preventing the locking piece (9) from separating from the connecting seat (8) in a natural state after the locking piece (9) is assembled into the connecting seat (8) is arranged between the locking piece (9) and the connecting seat (8).

6. The rocker arm attachment of claim 5,

the disengagement prevention mechanism includes:

the catching groove is arranged on the locking piece (9);

the anti-separation hook is arranged on the connecting seat (8); wherein the content of the first and second substances,

after the locking piece (9) is assembled in place on the assembly body, the anti-separation hook is embedded in the buckling groove.

7. A wiper, comprising:

the rocker arm attachment of any one of claims 1 to 6;

the support is arranged in a longitudinally extending mode and comprises a main body support (11) and at least one elastic piece (12) which is pivoted to the corresponding end of the main body support (11) in a vertical mode and has a certain swinging freedom degree, and at least one first buckle piece (12 a) is arranged on the elastic piece (12);

the rocker arm connecting frame (6) is pivoted with the rocker arm connecting device, and the rocker arm connecting frame (6) is fixedly connected to the main body bracket (11);

at least one rotating support (2) with a certain swinging freedom degree in the vertical direction and pivoted on the main body support (11), wherein at least one second buckle piece (21) is arranged on the rotating support (2);

the scraper bar (3) is buckled by the first buckling piece (12 a) and the second buckling piece (21) from two transverse sides of the scraper bar (3).

8. The wiper according to claim 7,

the elastic piece (12) is pivoted to the corresponding end part of the main body bracket (11) through a steering support (4); wherein the content of the first and second substances,

the steering support (4) comprises a pair of half supports (41) which are transversely connected to clamp the elastic sheet (12) from the transverse direction;

and an elastic sheet pin joint mechanism is arranged between the transverse side wall of the steering support (4) and the corresponding transverse side wall of the main body bracket (11).

9. The wiper according to claim 8,

the spring plate pivoting mechanism comprises a spring plate pivoting column (41 a) and a spring plate pivoting hole (11 a) which are matched and connected through shaft holes.

10. The wiper according to claim 7,

the rotating support (2) is pivoted on the main body support (11) through a pivoting support (5); wherein the content of the first and second substances,

an anti-falling clamping mechanism is arranged between the transverse side wall of the pivoting support (5) and the corresponding transverse side wall of the main body bracket (11);

and a rotating bracket pivoting mechanism is arranged between the transverse side wall of the pivoting support (5) and the corresponding transverse side wall of the rotating bracket (2).

11. The wiper according to claim 10,

anti-drop latch mechanism includes:

a clamping hole (11 c) which is arranged on the lateral side wall of the main body bracket (11) and is provided with an opening (11 b);

the clamping portion (51) is arranged on the corresponding transverse side wall of the pivoting support (5), the clamping portion (51) is suitable for being clamped into the clamping hole (11 c) from the opening (11 b), and the size of the opening (11 b) is smaller than the maximum size of the clamping hole (11 c) so as to avoid the clamping portion (51) clamped into the clamping hole (11 c) from being separated from the clamping hole (11 c) in a natural state.

12. The wiper according to claim 11,

an anti-swing structure for preventing the pivoting support (5) from swinging vertically relative to the main body support (11) is further arranged between the transverse side wall of the pivoting support (5) and the corresponding transverse side wall of the main body support (11); wherein, prevent pendulum structure includes:

a baffle groove consisting of two baffle walls (11 d) extending from two sides of the opening (11 b);

and the two sides of the stop block (52) are provided with matched stop walls which are suitable for being abutted and matched with the corresponding stop walls (11 d) after the clamping portion (51) is clamped into the clamping hole (11 c).

13. The wiper according to claim 10,

the rotating support pivoting mechanism comprises a rotating support pivoting column and a rotating support pivoting hole (22), wherein the shaft holes are connected in a matched mode.

14. The wiper according to claim 7,

two ends of the main body bracket (11) are respectively pivoted with an elastic piece (12);

and/or the free end of the elastic sheet (12) is provided with a first buckle sheet (12 a);

and/or the main body bracket (11) is pivoted with the two rotating brackets (2), and the two rotating brackets (2) are symmetrically arranged relative to the center of the main body bracket (11) in the longitudinal direction;

and/or two ends of the rotating bracket (2) are respectively provided with a second buckle sheet (21).

15. The wiper according to claim 7,

the rocker link comprises a base plate (61) and a rocker link connecting part (62) connected to the base plate (61), and the base plate (61) is fixedly connected to the body bracket (11);

it still includes:

the outer clamping piece (71) wraps the corresponding part of the connecting base plate on the base plate (61) and the main body bracket (11), and a positioning hole groove (71 a) which is matched with the connecting part (62) of the rocker arm connecting seat in a positioning way and exposes the connecting part (62) of the rocker arm connecting seat is arranged on the outer clamping piece (71);

an end decorative clamping piece (73) which is inserted into the end of the external clamping piece (71) and covers part of the main body bracket (11) and all the corresponding elastic pieces (12).

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