CN114572156A - Connector, wiper including the same, and method of mounting wiper arm - Google Patents

Abstract

The present invention relates to a connector, a wiper including the same, and a method of installing a wiper arm. The end of the scraping arm is provided with a connector adapted to receive the engaging connector, and the connector includes: a front side wall; front hooks arranged on both sides of the connector near the front side wall; back hook. The connector has a first end and a second end opposite to the front and rear, wherein: the first end is located at the rear end of the connector, and the first end is provided with a rearward opening slot; the second end is located at the front end of the connector, and the first end is located at the front end of the connector. The two ends are provided with a longitudinal limit part and a transverse limit part, and the connector is configured to be suitable for the posture of the front hook being higher than the connector when the scraper arm is installed, so that the rear hook can enter the card slot from the rear to the front, and allow the rear hook to be in The front hook is pivoted downward in the card slot. After the front hook is assembled to the connector downward, the longitudinal limit part restricts the rearward displacement of the scraper arm through the front side wall, and the lateral limit part restricts the scraper arm upward through the front hook displacement.

Description

Connector, wiper including the same, and method of installing a wiper arm

technical field

The present invention relates to the technical field of automobile parts; more particularly, the present invention relates to a wiper connector, and further relates to a wiper including the same and a method of installing a wiper arm.

Background technique

The wiper is a tool for simple cleaning on the glass of the motor vehicle to prevent rain and other dirt from affecting the sight.

In a common wiper, a connector is usually fixed to a wiper blade of the wiper to form a wiper blade assembly, and then the wiper blade assembly is mounted to the wiper arm through the connector to realize the assembly of the wiper blade and the wiper arm.

FIG. 1 shows a wiper blade assembly (including a connector 1 , a wiper blade 2 , etc.) and a wiper arm with a connection head 3 in the prior art. As shown in the figure, a horizontal through groove 4 is provided on the lower part of the side surface of the connector 1 , and hooks 5 and 6 are provided on the lower part of both ends of the scraper arm. When installing the wiper blade assembly to the wiper arm 3 , the hooks 5 and 6 only need to be aligned with the through groove 4 and slide the wiper blade assembly along the hooks 5 and 6 to realize the assembly of the two. Alternatively, the wiper arms can also be mounted to the wiper assembly in the same manner.

SUMMARY OF THE INVENTION

An object of one aspect of the present invention is to provide an improved wiper connector.

Another object of the present invention is to provide a wiper including the aforementioned connector.

Another object of the present invention is to provide an improved method of installing a scraper arm.

In order to achieve the foregoing object, one aspect of the present invention provides a connector for connecting a wiper blade assembly and a wiper arm, the end of the wiper arm having a connector adapted to receive and engage the connector, the connector include:

front side wall;

front hooks disposed on both sides of the connector near the front sidewall; and

The rear hooks disposed on both sides of the connecting head away from the front side wall,

wherein the connector has first and second opposite ends, wherein:

The first end is located at the rear end of the connector, and the first end is provided with a rearwardly open card slot;

The second end is located at the front end of the connector, and the second end is provided with a longitudinal limit portion and a lateral limit portion,

The connector is configured to allow the rear hook to enter the slot from rear to front in a posture where the front hook is higher than the connector when the scraper arm is installed, and to allow the rear hook to be in the slot. The front hook is pivoted downward in the card slot, and after the front hook is assembled to the connector downward, the longitudinal limiting portion restricts the scraper arm backward through the front side wall displacement, the lateral limit part restricts the upward displacement of the scraper arm through the front hook.

Optionally, in the aforementioned connector, the card slot is provided at the first end near the bottom of the first end, the card slot is open to the side of the first end, and The card slot is a through slot at the first end connecting two opposite side surfaces of the first end.

Optionally, in the aforementioned connector, the card slot is provided at the first end near the bottom of the first end, the card slot is open to the side of the first end, and The card slot includes a first card slot and a second card slot, and the first card slot and the second card slot are symmetrically located on two sides of the first end, respectively.

Optionally, in the aforementioned connector, the lateral stop is provided by first protrusions on both sides at the front of the connector, the first protrusions being The side of the connector extends outward and the upper surface thereof is an inclined surface, and at least one of the first protruding portion and the front hook is elastic so that the inclined surface can guide the front hook before the scraper. After the arm is assembled to the connector, the front hook hooks on the bottom surface of the first boss.

Optionally, in the aforementioned connector, the longitudinal stop is provided by second protrusions located on both sides at the front of the connector, the second protrusions being The side of the connector extends outward, and the second boss abuts the front surface of the front side wall after the scraper arm is assembled to the connector.

Optionally, in the aforementioned connector, the card slot and the lateral limiting portion are not communicated with each other.

In order to achieve the foregoing objects, another aspect of the present invention provides an automotive windshield wiper, wherein the wiper includes a wiper arm, a wiper blade assembly, and the connector according to any one of the foregoing aspects , a scraper adapter is fixed on the scraper assembly, and the connector assembles the scraper arm and the scraper assembly together through the scraper adapter, wherein,

The end of the scraping arm is provided with a connecting head, the connecting head has a cavity suitable for accommodating the connector, and the connecting head comprises: a front side wall; front hooks on both sides; and rear hooks disposed on both sides of the connecting head away from the front side wall.

Optionally, in the aforementioned wiper, the connector is pivotally connected to a pin shaft between two holding pieces of the wiper blade adapter, between the outer sides of the two holding pieces. The distance is greater than the lateral distance between the ends of the front hooks and the lateral distance between the ends of the rear hooks.

Optionally, in the aforementioned wiper, the connector includes a body and a handle, the handle is located at the front end of the body and constitutes the second end, and the latch is located at the at the body, and the longitudinal limit portion and the lateral limit portion are located at the handle portion, the handle portion is integrally connected to the front end of the body through an elastic neck, so that the The main body operates the handle portion to release the engagement between the lateral limiting portion and the front hook.

In order to achieve the foregoing objects, a further aspect of the present invention provides a method of installing a wiper arm for an automotive windscreen wiper, wherein the method comprises attaching to the connector according to any one of the preceding aspects The steps of installing the scraper arm, the steps include:

providing the rear hook to enter the card slot from rear to front in a posture where the front hook is higher than the connector; and

Pivoting the front hook downward in the card slot until the longitudinal limit portion restricts the rearward displacement of the scraper arm and the lateral limit portion limits the scraper Upward displacement of the arm.

Description of drawings

The disclosure of the present invention will become more apparent with reference to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only, and are not intended to limit the scope of protection of the present invention. In the picture:

Figure 1 shows a schematic perspective view of a prior art wiper showing the assembly of a wiper arm and a wiper connector;

Figure 2 shows a schematic perspective view of a wiper according to an embodiment of the present invention, wherein the wiper arm and the connector are in a ready-to-assemble state;

Fig. 3 shows another schematic perspective view of the wiper of Fig. 2 with the wiper arm and the wiper connector in the initial assembled state;

Fig. 4 shows a further schematic perspective view of the wiper of Fig. 2 with the wiper arm and the wiper connector in the final assembled state;

Figure 5 shows a schematic side view of the wiper of Figure 2 with the wiper arm and wiper connector in final assembled state;

Figure 6 shows a schematic cross-sectional view along A-A in Figure 5;

Figure 7 shows a schematic cross-sectional view along B-B in Figure 5;

Figure 8 shows a schematic top view along the wiper of Figure 2 with the wiper arm and wiper connector in a final assembled state; and

FIG. 9 shows a schematic cross-sectional view along C-C in FIG. 8 .

Detailed ways

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the various drawings, the same reference numerals denote the same or corresponding technical features.

Orientation terms such as upper, lower, front, rear, top, bottom, etc. mentioned or possibly mentioned in this specification are defined relative to the structures shown in the drawings, and they are relative concepts, so there may be These and other terms of orientation should not be construed as limiting terms, which vary accordingly according to their different positions and different usage states.

The "may" mentioned or possibly mentioned in this specification, such as "may include", "may have", etc., means that its negative situation, such as "may not include", "may not have", etc. also holds.

Furthermore, the terms "first", "second", etc. or similar expressions are used for descriptive and distinguishing purposes only, and should not be construed as indicating or implying the relative importance of the corresponding components.

One aspect of the present invention relates to a connector for connecting a wiper assembly and a wiper arm. The scraper arm adapted to be connected with the connector has at the end a connector adapted to receive a connector for engaging the connector. The connector may include a front side wall, a front hook and a rear hook. The front hooks can be arranged on both sides of the connecting head close to the front side wall, and the rear hooks can be arranged on both sides of the connecting head away from the front side wall. Correspondingly, the connector may have first and second opposite ends. The first end is located at the rear end of the connector, and the first end may be provided with a rearward opening card slot. The card slot may be provided at the first end near the bottom of the first end, and the card slot may be open to the side of the first end. The card slot may be a through slot at the first end, connecting two opposite sides of the first end; or, the card slot may also include a first card slot and a second card slot, and the first card slot and The second card slots are symmetrically located on both sides of the first end respectively. The second end may be located at the front end of the connector, and the second end may be provided with a longitudinal limiting portion and a lateral limiting portion. The longitudinal stop may be provided by second protrusions on both sides at the front of the connector, the second protrusions may extend outwardly from the sides of the connector, and when the wiper arm is assembled to the connection After installation, the second protruding portion may abut the front surface of the front side wall. The lateral stops may be provided by first protrusions on both sides at the front of the connector, the first protrusions may extend outwardly from the sides of the connector and the upper surface may be beveled , at least one of the first protrusion and the front hook is elastic so that the inclined surface can guide the front hook, and after the scraper arm is assembled to the connector, the front hook can hook on the bottom surface of the first protrusion. The connector of this aspect of the invention may be configured to provide rear hooks from rear to front into the card slot with the front hook higher than the connector when the scraper arm is installed, and to allow the rear hook to be in the card slot for said front hook direction After the front hook is assembled downward to the connector, the longitudinal limit part restricts the rearward displacement of the scraper arm through the front side wall, and the lateral limit part restricts the upward displacement of the scraper arm through the front hook.

In addition, in some embodiments, the connector may further comprise a body and a handle, the handle may be located at the front end of the body and constitute the aforementioned second end, and the handle may be located at the lower portion of the body through an elastically curved neck It is integrally connected to the front end of the body. The card slot may be located at the body, and the longitudinal limiting portion and the lateral limiting portion may be located at the handle portion. The card slot and the lateral limiting portion may not communicate with each other.

Figure 2 shows a schematic perspective view of a wiper according to an embodiment of the present invention with the wiper arm and the connector in a ready-to-assemble state. FIG. 3 shows another schematic perspective view of the wiper of FIG. 2 , wherein the wiper arm and the wiper connector are in an initial assembled state, wherein the pivots of the two are engaged with each other. FIG. 4 shows a further schematic perspective view of the wiper of FIG. 2 with the wiper arm and the wiper connector in the final assembled state.

As can be seen from FIG. 2 , the wiper includes a wiper arm having a connecting head 100 and a wiper blade assembly 200 . Only the portion of the wiper arm and wiper blade assembly associated with the connector 210 is shown.

The wiper arm is the part that connects the wiper to the car, and is used to support the wiper blade assembly of the wiper arm; the connector 100 of the wiper arm is used to connect with the wiper blade assembly, and the connector has a cavity that can accommodate the connector 210 . The wiper blade assembly 200 is connected to the wiper arm through the connector 210, and is configured so that the wiper blade can be in close contact with the surface of the windshield of the automobile. When the wiper arm is driven to swing at an angle, the wiper blade sweeps across the windshield, thereby removing rainwater, dirt, etc. on it, ensuring that the driver's sight is not affected.

In the illustrated example, the connection head 100 of the wiper arm is provided at the distal end of the wiper arm with a connector adapted to receive the engagement connector. The connector includes a body 110 and a front hook 120 and a rear hook 130 extending from the body 110 . The connector also has a front side wall 216 , see FIGS. 4 and 9 . The front hooks 120 are located at the front of the main body 110, and are arranged on both sides of the connector near the front side wall. There is a front hook 120 on both sides of the body respectively. The rear hooks 130 are located at the rear of the body 110, and are disposed on both sides of the connector away from the front side wall. There is a rear hook 130 on both sides of the body respectively. The front hook 120 and the rear hook 130 respectively include first extending parts 121 , 131 extending downward from the bottoms thereof at the sides of the body 110 and second extending parts bending inwardly and extending from ends of the extending parts 121 , 131 . The first extension parts 121 and 131 and the second extension parts 122 and 132 together constitute the front hook 120 and the rear hook 130 . The interior of the connector 100 forms a cavity for receiving the body 211 of the connector 210 on the wiper assembly 200 . In some embodiments, the entire connector may be received within the cavity of the connector.

In this example, the blade assembly 200 includes a connector 210 , an adapter 220 and a blade 230 . The adapter 220 can be installed on the scraper, and the connector 210 is an intermediate connecting piece between the connecting head 100 of the scraping arm and the adapter 220, so that the connection between the connecting head 100 and the adapter 220 can be repeatedly disassembled. The adapter can be a metal adapter.

As shown, the adapter 220 is secured to the blade 230 and may include two juxtaposed retaining pieces. The two retaining tabs may be parallel to each other. The connector 210 is then placed in the adapter 220, in particular between the two retaining pieces, and is pivotally mounted in place by means of a pin. The position and posture of the adapter between the holding pieces can be pivotally adjusted along the pin shaft. Through the wiper blade assembly 200, the wiper blade 230 is mounted on the wiper arm connecting head 100, and when the wiper arm swings, the wiper blade 230 can wipe the target position such as the window glass.

As can be seen in the figures, the wiper connector 210 may include a body 211 and a handle 216 .

The body 211 of the wiper connector 210 is provided with a first pivot slot 212 and a second pivot slot (not shown) on the opposite side of the first pivot slot. As shown in the figure, the first pivoting card slot may be located at the lower portion of the rear end of the body 211, and the pivoting card slot is located at the lower portion of the rear end of the wiper connector, and the pivoting card slot is directed to the lower portion of the rear end of the wiper connector. Outside and back are open. The second pivot catch slot is located at both sides of the wiper connector symmetrically with the first pivot catch slot. The first pivot catch slot and the second pivot catch slot are adapted to provide a mounting pivot for the installation of the wiper arm to the adapter or the adapter to the wiper arm when the connection head of the wiper arm is coupled to the wiper blade assembly through the rear hook point. The first pivoting slot and the second pivoting slot can be configured as through slots, and both ends of the through slots are respectively open to the rear and sides of the connector, and communicate with two opposite sides of the connector.

It can be understood that, in the illustrated example, the pivot portion of the wiper connector is a pivot slot, and the pivot portion of the wiper arm is a rear hook. In an optional embodiment, the first pivoting card slot 212 and the second pivoting card slot can be replaced by other forms and shapes of pivoting recesses.

The shape of the body 211 of the wiper connector 210 is suitable for being received in the cavity of the wiper arm connector 100, and at the same time, the body 211 and the handle 216 may be provided with lateral limit portions respectively, so that the pivoting The assembled wiper arm connector 100 and wiper connector 210 are held in place relative to each other. For example, the above-mentioned lateral stop may be provided by a stopper 213 at the front of the wiper connector 210 and a stopper 213 at the rear end of the wiper connector 210 . These stops 213 may be protrusions extending laterally outward from the wiper connector 210 , respectively. In addition, the body 211 also has a longitudinal limiting portion, which can be formed by a first pivoting slot and a second pivoting slot, respectively, and is suitable for restricting the relative relationship between the wiper connector 210 and the wiper arm connector 100 . vertical movement.

The handle 216 may be located at the front end of the body 211 of the wiper connector 210 and is integrally connected to the front end of the body by a resilient neck so that the lateral stop can be disengaged from the front hook by operating the handle relative to the body . As shown in the figure, the handle 216 can be connected to the lower part of the body 211 through an elastically curved neck 217, and the handle, the neck and the body can be made in one piece. In the illustrated embodiment, a stop 213 located at the front end of the body 211 of the wiper connector 210 is located on the handle 216 . In alternative embodiments, such as but not limited to the case where the handle is not provided, it may also be provided at the body 211 . Further, a first longitudinal limiting portion 218 is also provided at the handle portion to prevent the scraper arm connector 100 from moving longitudinally along the connector 210 .

It should be noted here that, in other embodiments, the wiper connector may not include a handle, so that the slot, the lateral limit portion, the vertical limit portion, etc. of the connector can be respectively as described above. Provided at appropriate locations of the connector such as the first end (front end), the second end (rear end), etc. Since the latching grooves and the lateral limiting parts respectively adapted to be engaged with the rear hook and the front hook are not communicated, the wiper connector and the wiper arm connector cannot be assembled by sliding in the prior art.

The following describes the installation process of the wiper arm to the wiper blade assembly in this embodiment with reference to FIG. 2 , FIG. 3 , and FIG. 4 .

In FIG. 2 , the connector 100 of the wiper arm and the connector 210 of the wiper assembly are separated from each other, and are still in a state to be assembled. At this time, the front end of the connector 100 is already in a raised posture, and its front hook is higher than the connector 210 . In this attitude, the connector 100 can enter the position where it is preliminarily assembled with the connector 210 by continuing to translate forward, so that the rear hook enters the pivot slot. The rear upper part of the connector can enter the cavity of the connector.

In FIG. 3 , the connecting head 100 and the wiper connector 210 are in the initial assembled state, and the rear hook 130 of the connecting head 100 has been engaged into the first pivot slot and the second pivot slot of the wiper connector . The first pivoting card slot and the second pivoting card slot prevent the rear hook from continuing to move forward. Since there is a cavity in the connector, the front end of the connector can continue to move, pivot relative to the rear hook, and the front hook 120 passes under the guidance of the upper slope of the stopper 213 and receives the connector in the hollow of the connector. intracavity. At this time, in order to enable the front hook to be guided through the inclined surface, the front hook or the stop (eg the front hook or the stop itself or the part of the component to which it is connected) can be suitably configured to be elastic. Therefore, at this time, the assembly can be completed by pivoting the connector counterclockwise as shown in the figure, and the state shown in FIG. 4 is entered. In addition, since the connector is pivotally mounted between the two holding pieces through the pin, the position of the connector can be adjusted to match the mounting of the connector during the mounting process.

In FIG. 4 , the wiper arm connector 100 and the wiper connector 210 are in their final assembled state, with the body of the wiper connector 210 and the rear portion of the handle 216 including the first longitudinal stop 218 received in the connection In the cavity of the head body 110 , the first longitudinal limiting portion 218 abuts against the inner side of the front side wall of the connecting head 100 , the front hook 120 engages with the lateral limiting portion, that is, the stopper 213 at the handle portion 216 , and the connecting head is opposite to the wiper. The connector is held in place. At this time, the first pivoting card slot and the second pivoting card slot can function as a lateral limit and a longitudinal limit at the same time.

Figure 5 shows a schematic side view of the wiper of Figure 2 with the wiper arm and wiper connector in final assembled state. This assembled state corresponds to the assembled state shown in FIG. 4 . In this assembled state, both the wiper arm connector and the wiper connector are in a stable engaged position and do not come off during wiper application.

As can be seen in FIG. 5 , the wiper arm connector 100 has been assembled on the wiper blade assembly, specifically on the wiper connector 210 , a portion of which is received in the cavity of the connector 100 .

The rear hook 130 of the connector 100 is engaged at the first pivot catch slot and the second pivot catch slot, while the rear hook 130 is supported by an optional stop 213 (not shown in FIG. 5 ) at the rear end of the wiper connector. Visible) restricting its upward movement, and the longitudinal limit portion formed by the first pivoting card slot and the second pivoting card slot restricts the movement of the wiper arm in the longitudinal direction of the wiper connector.

The front hook 120 of the connector 100 engages at a stop 213 at the handle of the wiper connector, which restricts its upward movement, preventing the connector from accidentally pivoting in the opposite direction and disengaging from the connector.

In addition, the front end of the connector falls at the handle portion 216 of the wiper connector and covers the first longitudinal limit portion 218 of the handle portion 216 , the first longitudinal limit portion 218 of the handle portion 216 and the first pivot clamp The slot and the second pivoting card slot can work together to avoid longitudinal movement of the scraper arm.

FIG. 6 shows a schematic cross-sectional view along A-A in FIG. 5 . The cut line A-A passes through the front hook 120 . The figure also schematically shows a cross-section of the blade 230 and the like.

As can be seen in Figure 6, the body 110 of the connection head 100 of the wiper arm provides a cavity in which the connector 210 is received. The front hook 120 of the connector engages on the stopper 213 . With reference to the A-A section in FIG. 5 , it can be understood that the stopper is located at the handle portion 216 . It can also be seen from the figure that the upper side of the stopper 213 is formed with an inclined surface, which provides a guiding function for the front hook when assembling the scraper arm, that is, the first pivot slot and the second pivot slot are used as pivot points. When pivoting the scraper arm connector counterclockwise in the figure, the front hook 120 is stretched to both sides under the guidance of the inclined surface. Hook the position of the bottom of the stopper 213 . The figure also shows the first extension 121 and the second extension 122 of the front hook 120 . The first extension portion 121 extends downward from the side of the body of the connector, and the second extension portion 122 extends laterally below the stopper 213 . In order to prevent breakage during blocking, the first extension portion 121 and the second extension portion 122 have certain elasticity.

In an optional embodiment, the bottom of the front hook 120 may also be provided with a guide slope, which can make assembly easier. In addition, the handle 216 may also have suitable elasticity at the stop to facilitate the assembly of the two.

FIG. 7 shows a schematic cross-sectional view along B-B in FIG. 5 . The cut line B-B passes through the rear hook 130 . The figures also schematically show a cross section of a blade or the like.

As can be clearly seen in this figure, after assembly, the rear hook 130 of the wiper arm connector 100 will hook onto the stop 213 at the rear end of the wiper connector, holding this end of the wiper arm in place. FIG. 7 also shows the first extension part 131 and the second extension part 132 of the rear hook, wherein the first extension part 131 extends downward from the body of the connector, and the second extension part 132 extends from the first extension part 131 The end of the swivel slot extends laterally into the pivot slot.

Figure 8 shows a schematic top view along the wiper of Figure 2 with the wiper arm and wiper connector in the final assembled state. FIG. 9 shows a schematic cross-sectional view along C-C in FIG. 8 .

8 and 9, it can be understood that in this assembled state, the rear hook 130 of the wiper arm connector 100 is engaged in the first pivot slot and the second pivot slot, and at the same time, they are also connected to the wiper respectively. The stop 213 at the rear end of the connector is engaged, and the front hook 120 of the connector 100 is hooked at the stop 213 at the handle 216 . At this time, both sides of the front side wall of the scraper arm connector 100 are respectively sleeved with the longitudinal limiting portions 218 at the handle portion 216 . It can be understood that the middle portion of the front side wall may have a gap to ride on the handle portion 216 , so that both sides of the front side wall can be sleeved from both sides of the handle portion 216 and engage with the longitudinal limiting portion 218 . Under these engagements, the connector head 100 is in a stable assembled position relative to the wiper connector 210 .

Based on this structure, when the wiper arm connector 100 needs to be removed from the wiper connector 210 , it is only necessary to press the top of the handle 216 in the longitudinal direction of the wiper (that is, the front end of the handle 216 has a corrugated surface in FIG. 9 ) , these corrugations can prevent the hand from slipping during operation), since the curved neck 217 between the handle 216 and the body 211 is elastically bent due to force, the handle 216 moves backward as a whole, and at the same time together with the stopper 213 at the handle 216 moves backward , the front hook 120 is disengaged from the engagement with the stopper 213, and the wiper arm can be removed from the connector by pivoting the wiper arm connector clockwise in the figure.

Another aspect of the present invention also provides a windshield wiper for an automobile, which is used to simply clean the rainwater and dirt on the windshield of the automobile. The wiper may include a wiper arm, a wiper blade assembly, and a connector as in any of the preceding embodiments. The scraper assembly can be fixed with a scraper adapter, and the connector can assemble the scraper arm and the scraper assembly together through the scraper adapter. The end of the scraping arm may be provided with a connecting head, the connecting head has a cavity suitable for accommodating the connector, and the connecting head may comprise: a front side wall; front hooks disposed on both sides of the connecting head close to the front side wall; Walls are provided on the rear hooks on both sides of the connector. As shown in FIG. 2 , the connector 210 can be pivoted on the pin shaft between the two holding pieces of the blade adapter, and the distance between the outer sides of the two holding pieces is greater than the distance between the wiper arm connector 100 . The lateral distance between the ends of the front hook 120 and the lateral distance between the ends of the rear hook 130 of the scraper arm connector.

In conjunction with the previous description of the connector, it can be understood that in the wiper of an alternative embodiment, the connector may include a body and a handle, and the handle may be located at the front end of the body and constitute the aforementioned second end, The slot of the connector is located at the body, and the longitudinal limit part and the lateral limit part are located at the handle. The handle may be integrally connected to the front end of the body by an elastic neck so that the lateral stop can be disengaged from the front hook by manipulating the handle relative to the body.

In the automobile windshield wiper thus arranged, since the lateral distance between the ends of the front hooks of the wiper arm connector and the lateral distance between the ends of the rear hooks of the wiper arm connector are both smaller than the distance between the two holding pieces Therefore, when the connector is installed in the wiper blade assembly, the wiper arm connector cannot be slidably installed to the connector along the through slot as in the prior art. In addition, since the pivoting slot on the connector and the lateral limiting portion are not communicated with each other, the connecting head of the wiper arm cannot be slidably attached to the connector.

Still another aspect of the present invention provides a method of mounting a wiper arm for an automotive windscreen wiper, the method comprising the step of mounting the wiper arm to a connector as described in any of the preceding embodiments. These steps include: providing the rear hook with the front hook higher than the connector to enter the card slot from the rear to the front; and pivoting the rear hook downward in the card slot until the longitudinal limit is reached to limit the direction of the scraper arm. The rear displacement and the lateral limit part limit the upward displacement of the scraper arm. According to the illustrated example, the pivot portion of the wiper arm may be a rear hook and the pivot portion of the wiper connector may be a pivot slot, and the rear hook may be placed in the pivot slot. The corresponding wiper and the method for installing the wiper brush will have the beneficial technical effects corresponding to the foregoing corresponding embodiments.

The technical scope of the present invention is not only limited to the content in the above description, and those skilled in the art can make various deformations, modifications and combinations to the above-mentioned embodiments without departing from the technical idea of the present invention, and these deformations, modifications and Combinations should all fall within the scope of the present invention.

List of reference numbers:

1 wiper connector

2 scrapers

3 scraping arms

4 through slots

5.6 Hook

100 scraper arm connector

110 connector body

120 front hook

121 first extension

122 second extension

130 back hook

131 first extension

132 second extension

200 scraper assembly

210 Wiper Connector

The body of the 211 wiper connector

212 first pivot card slot

213 block

216 handle

217 neck

218 The first longitudinal limit part

220 adapter

230 scraper

Claims (10)

1. A connector for connecting a wiper blade assembly to a wiper arm, the wiper arm having a distal end adapted to receive a connector for engaging the connector, the connector comprising:

a front side wall;

the front hooks are arranged on two sides of the connector close to the front side wall; and

rear hooks which are far away from the front side wall and are arranged at two sides of the connector,

wherein the connector has a front and a rear opposing first end and second end, wherein:

the first tail end is positioned at the rear end of the connector, and a clamping groove which is open backwards is arranged at the first tail end;

the second end is positioned at the front end of the connector, the second end is provided with a longitudinal limiting part and a transverse limiting part,

the connector is configured and adapted to provide the rear hook to advance into the catch groove from the rear direction in a posture in which the front hook is higher than the connector when the wiper arm is mounted, and to allow the rear hook to pivot downward of the front hook in the catch groove, the longitudinal stopper portion restricting rearward displacement of the wiper arm by the front side wall, and the lateral stopper portion restricting upward displacement of the wiper arm by the front hook after the front hook is assembled downward to the connector.

2. The connector of claim 1, wherein the card slot is disposed near a bottom of the first end at the first end, the card slot is open to a side of the first end, and the card slot is a through slot at the first end communicating two opposing sides of the first end.

3. The connector of claim 1, wherein the card slot is disposed at the first end near a bottom of the first end, the card slot being open to a side of the first end, and the card slot includes a first card slot and a second card slot, the first card slot and the second card slot being symmetrically located on both sides of the first end, respectively.

4. The connector of claim 1, wherein the lateral restraint portion is provided by first projections on both sides at a front portion of the connector, the first projections extending outward from side surfaces of the connector and having a sloped upper surface, at least one of the first projections and the front hook being elastic such that the sloped surface can guide the front hook, the front hook hooking a bottom surface of the first projections after the wiper arm is assembled to the connector.

5. The connector of claim 1, wherein the longitudinal restraint portion is provided by second bosses on both sides at the front of the connector, the second bosses extending outwardly from the sides of the connector, and the second bosses abutting the front surface of the front side wall after the wiper arm is assembled to the connector.

6. The connector according to claim 1, wherein the card slot and the lateral limiting portion are not in communication with each other.

7. An automotive windshield wiper comprising a wiper arm, a wiper blade assembly, and a connector as recited in any one of the preceding claims 1 through 6, the wiper blade assembly having a wiper blade adapter secured thereto, the connector assembling the wiper arm and the wiper blade assembly together through the wiper blade adapter, wherein,

the end of scraping the arm is provided with the connector, the connector has and is suitable for holding the cavity of connector, and the connector includes: a front side wall; the front hooks are arranged on two sides of the connector close to the front side wall; and the rear hooks are far away from the front side wall and arranged on two sides of the connector.

8. The wiper of claim 7, wherein the connector is pivotally connected to a pin between two retaining tabs of the blade adapter, the distance between the outer sides of the two retaining tabs being greater than the lateral distance between the distal ends of the front and rear hooks.

9. The wiper according to claim 7, wherein the connector includes a body and a shank portion, the shank portion being located at a front end of the body and constituting the second tip, the catching groove being located at the body, and the longitudinal stopper portion and the lateral stopper portion being located at the shank portion, the shank portion being integrally connected to the front end of the body through an elastic neck portion, so that the engagement of the lateral stopper portion with the front hook can be released by operating the shank portion with respect to the body.

10. A method of mounting a wiper arm for an automotive windscreen wiper device, said method comprising the step of mounting a wiper arm to a connector as claimed in any one of the preceding claims 1 to 6, said step comprising:

providing the rear hook to enter the card slot from the rear direction forward in a posture in which the front hook is higher than the connector; and

and the rear hook is pivoted downwards in the clamping groove by the front hook until the longitudinal limiting part limits the backward displacement of the scraping arm and the transverse limiting part limits the upward displacement of the scraping arm.

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