Patent Description:
Automotive windshield wiper is mounted on an outer surface of a windshield of a car by connecting a wiper driving arm. The wiper driving arm drives the wiper blade to swing on the windshield.

Moreover, the wiper driving arm is usually embedded on the base of the windshield wiper, and a wiper blade is combined on the bottom surface of the base. Furthermore, there are many types of wiper driving arms designed by different automobile factories to be equipped with various car models. Although there are various designs of windshield wipers on the market, the wiper driving arms of different designs must fit with specific adapters to combine the wiper blades. In this regard, the windshield wipers of the related art need to be equipped with a variety of adapters for assembling different types of windshield wipers. As a result, the overall price of the windshield wiper is increased, and the assembly of the windshield wiper is troublesome.

<CIT> discloses a flat wiper blade and a flat wiper blade assembly. The flat wiper blade according to an embodiment of the present invention includes: a wiper strip which wipes a wiping surface; a frame which supports the wiper strip; a first and a second spoilers and which are coupled to the frame; and a seating part to which adaptor parts and coupled to a wiper arm are coupled and which is coupled to the frame in an attachable and removable manner.

<CIT> discloses a wiper connector base, a wiper connector adopting the wiper connector base, and a wiper applying the wiper connector. According to the technical scheme, the wiper connector base is innovatively developed, and thus can adapt to a first base and a second base; the first base adapts to a U-shaped wiper arm clamping part; the upper part of the second base can be mutually matched with a plurality of different wiper arm connectors, so that the adaptive range of the wiper connector can be greatly expanded. Meanwhile, as the wiper adopting the wiper connector is further provided, the adaptability of the wiper to different car models is greatly improved, the stockpile cost for a dealer is reduced, and convenience is brought to consumers for selective purchasing.

In view of the above drawbacks, the inventor proposes this disclosure based on his expert knowledge and elaborate researches in order to solve the problems of related art.

One object of this disclosure is to provide an assembly structure of a windshield wiper, which the linking set is detachably combined with the base to increase the convenience of assembly.

This disclosure is an assembly structure of a windshield wiper including a base and a linking set. The base includes a seat and a slot. The seat includes an accommodating space, a plurality of limiting grooves communicating with the accommodating space, and a fastening portion and an elastic pressing piece located on one side of the accommodating space. The slot is arranged on a bottom side of the seat for inserting a wiper blade. The linking set includes a seat plate. The seat plate includes a plurality of guiding blocks, a latch, and an elastic arm. The latch of the linking set is obliquely inserted into the seat and rotates to make the seat plate place in the accommodating space. The linking set is pushed by an external force to make the elastic arm move toward the fastening portion, so that the elastic arm is engaged with the fastening portion and abuts against the elastic pressing piece, and the plurality of guiding blocks slide into the limiting grooves correspondingly. The seat comprises a plurality of guiding grooves arranged spacedly in the accommodation space corresponding to the guiding blocks, and the guiding grooves communicate with the limiting grooves respectively; and the invention is characterised in that one side of each of the guiding grooves communicates with each of the limiting grooves, and an L-shaped groove is defined on an inner wall of the seat.

In comparison with the related art, the assembly structure of a windshield wiper includes a base and a linking set. The base includes a plurality of limiting grooves, a fastening portion and an elastic pressing piece. Additionally, the linking set includes a plurality of guiding blocks, a latch, and an elastic arm. Therefore, the linking set is combined on the base through the elastic arm abutting against the fastening portion and the guiding blocks sliding into the limiting grooves. Moreover, different types of linking sets may be combined to the base through the arrangement of guiding blocks, the latch, and elastic arms. Therefore, various types of linking sets may be combined to the base in a detachable manner, so as to improve the convenience of assembly and reduce the cost of windshield wipers.

The features of the disclosure believed to be novel are set forth with particularity in the appended claims. The disclosure itself, however, may be best understood by reference to the following detailed description of the disclosure, which describes a number of exemplary embodiments of the disclosure, taken in conjunction with the accompanying drawings, in which:.

The technical contents of this disclosure will become apparent with the detailed description of embodiments accompanied with the illustration of related drawings as follows. It is intended that the embodiments and drawings disclosed herein are to be considered illustrative rather than restrictive.

Please refer to <FIG>, which are a perspective schematic view of the assembly structure of the windshield wiper in this disclosure, a perspective exploded schematic view of the assembly structure of the windshield wiper in this disclosure, and a schematic view of the base and the linking set in a combination manner in this disclosure. This disclosure is an assembly structure <NUM> of a windshield wiper. The assembly structure <NUM> includes a base <NUM> and a linking set <NUM>, and the linking set <NUM> is detachably combined with the base <NUM>. More detail of the assembly structure <NUM> of windshield wiper is as follows.

The base <NUM> includes a seat <NUM> and a slot <NUM>. The seat <NUM> includes an accommodating space <NUM>, a plurality of limiting grooves <NUM> communicating with the accommodating space <NUM>, and a fastening portion <NUM> and an elastic pressing piece <NUM> located on one side of the accommodating space <NUM>. The slot <NUM> is arranged on a bottom side of the seat <NUM> for inserting a wiper blade <NUM>.

Specifically, a first platform <NUM> and a second platform <NUM> are arranged on two sides of the seat <NUM> of the base <NUM> opposite to each other. The first platform <NUM> includes a first slot <NUM> communicating with the accommodating space <NUM>. The second platform <NUM> includes a second slot <NUM> communicating with the accommodating space <NUM>.

The linking set <NUM> includes a seat plate <NUM>. The seat plate <NUM> includes a plurality of guiding blocks <NUM>, a latch <NUM> and an elastic arm <NUM>. The guiding blocks <NUM> are located on a bottom side of the seat plate <NUM>. The latch <NUM> and the elastic arm <NUM> are located on the seat plate <NUM> opposite to each other. The linking set <NUM> includes a pair of wing plates <NUM> vertically arranged on the side of the seat plate <NUM> for combining with different types of wiper accessories. Additionally, two ends of the guiding blocks <NUM> protrude from the pair of wing plates <NUM>.

In this embodiment, the opening size of the first slot <NUM> is defined corresponding to the width of the latch <NUM>, and the opening size of the second slot <NUM> is defined corresponding to the width of the elastic arm <NUM>. Furthermore, the elastic pressing piece <NUM> is disposed on the second platform <NUM>.

In more detail, the seat <NUM> includes a plurality of guiding grooves <NUM> arranged spacedly in the accommodation space <NUM> and located corresponding to the guiding blocks <NUM>. The guiding grooves <NUM> and the limiting grooves <NUM> communicate with each other correspondingly. One side of each of the guiding grooves <NUM> communicates with each of the limiting grooves <NUM>, and an L-shaped groove is defined on an inner wall of the seat <NUM>. Additionally, the linking set <NUM> includes a pivot portion <NUM> for being coupled with a coupling base <NUM>, and the pivot portion <NUM> is disposed between the pair of wing plates <NUM>. In this embodiment, the pivot portion <NUM> includes a pivot, and the coupling base <NUM> includes a pivot hole <NUM>. The coupling base <NUM> is assembled on the linking set <NUM> through positioning the pivot hole <NUM> with the pivot portion <NUM>. Accordingly, the coupling base <NUM> may be combined with a driving arm <NUM>. The driving arm <NUM> drives the wiper blade <NUM> to move by the coupling base <NUM>, the linking set <NUM> and the base <NUM>.

It should be noted that the coupling base <NUM> is arranged corresponding to the pivoting types of the linking set <NUM> for combination. Furthermore, the coupling base <NUM> may be arranged corresponding to different types of driving arms <NUM>. Therefore, the assembly structure <NUM> of a windshield wiper may be combined with multiple types of driving arms <NUM> through various types of the linking set <NUM>.

Please further refer to <FIG>, which are cross sectional views of the base and the linking set in a combination manner in this disclosure. As shown in <FIG>, the linking set <NUM> of this disclosure is combined on the base <NUM> in a detachable manner. When assembling, the latch <NUM> located on one side of the linking base <NUM> is obliquely inserted into the first slot <NUM> of the base <NUM>. Then, the linking base <NUM> rotates to be placed into the accommodating space <NUM> of the base <NUM>.

Please refer to <FIG>, the linking base <NUM> is pushed by an external force to make the seat plate <NUM> slide relative to the linking base <NUM>. Additionally, the elastic arm <NUM> moves toward the fastening portion <NUM> and shifts into the second slot <NUM>. As shown in <FIG> and <FIG>, the elastic arm <NUM> is engaged with the fastening portion <NUM> and abuts against the elastic pressing piece <NUM>, and the plurality of guiding blocks <NUM> slide into the limiting grooves <NUM> correspondingly. Therefore, the linking base <NUM> is coupled to the base <NUM> through the engagement of the elastic arm <NUM> and the restriction of the pair of guiding blocks <NUM>.

Please further refer to <FIG> and <FIG>, which are cross sectional views to show the separation of the base and the linking set in this disclosure. As show in <FIG>, the linking base <NUM> of this disclosure may be detached from the base <NUM>. When detaching the linking base <NUM>, the elastic pressing piece <NUM> is pressed, and the elastic pressing piece <NUM> being pressed is elastically deformed to press the elastic arm <NUM> to escape from the engagement of the fastening portion <NUM>. Please refer to <FIG>, the linking base <NUM> is pushed by an external force in the opposite direction, and the seat plate <NUM> slides relative to the linking base <NUM> in the opposite direction. Thus, the pair of guiding blocks <NUM> move out of the limiting grooves <NUM>. Accordingly, the linking base <NUM> is detached from the base <NUM>.

Please refer to <FIG> and <FIG>, which are a perspective schematic view and a schematic view of the base and another linking set in a combination manner in this disclosure. In this embodiment, the assembly structure 1a of a windshield wiper includes a base <NUM> and a linking set 20a. The linking set 20a is combined on the base <NUM> in a detachable manner. The structure of the base <NUM> is described as above and here is omitted for brevity. The structure of the linking set 20a is described in detail as follows.

In this embodiment, the linking set 20a includes a seat plate 21a. The seat plate 21a includes a plurality of guiding blocks 22a, a latch 23a and an elastic arm 24a. The guiding blocks 22a are located on the bottom side of the seat plate 21a and protrude from the outer surface of the seat plate 21a. The latch 23a and the elastic arm 24a are located on the seat plate 21a opposite to each other. It should be noted that, in comparison with the previous embodiment, the linking set 20a of this embodiment is not provided with a wing plate. Furthermore, the method of combining the linking set 20a to the base <NUM> is substantially the same as that of the previous embodiment. The linking set 20a is coupled to the base <NUM> through the engagement of the elastic arm 24a and the restriction of the pair of guiding blocks 22a.

Claim 1:
An assembly structure of a windshield wiper, the assembly structure comprising:
a base (<NUM>), comprising a seat (<NUM>) and a slot (<NUM>), the seat (<NUM>) comprising an accommodating space (<NUM>), a plurality of limiting grooves (<NUM>) communicating with the accommodating space (<NUM>), and a fastening portion (<NUM>) and an elastic pressing piece (<NUM>) located on one side of the accommodating space (<NUM>), wherein the slot (<NUM>) is arranged on a bottom side of the seat (<NUM>), and a wiper blade (<NUM>) is inserted in the slot (<NUM>); and
a linking set (<NUM>), comprising a seat plate (<NUM>), the seat plate (<NUM>) comprising a plurality of guiding blocks (<NUM>), a latch (<NUM>) and an elastic arm (<NUM>);
wherein, the latch (<NUM>) of the linking set (<NUM>) is obliquely inserted into the seat (<NUM>) and configured to rotate to make the seat plate (<NUM>) be accommodated in the accommodating space (<NUM>); when the linking set (<NUM>) is pushed, the elastic arm (<NUM>) moves toward the fastening portion (<NUM>)to be engaged with the fastening portion (<NUM>) and abut against the elastic pressing piece (<NUM>), and the plurality of guiding blocks (<NUM>) slide into the limiting grooves (<NUM>) correspondingly,
wherein the seat (<NUM>) comprises a plurality of guiding grooves (<NUM>) arranged spacedly in the accommodation space (<NUM>) corresponding to the guiding blocks (<NUM>), and the guiding grooves (<NUM>) communicate with the limiting grooves (<NUM>) respectively;
characterised in that one side of each of the guiding grooves (<NUM>) communicates with each of the limiting grooves (<NUM>), and an L-shaped groove is defined on an inner wall of the seat (<NUM>).