CN220826533U - Wiper mechanism with limit structure - Google Patents

Abstract

The utility model discloses a wiper mechanism with a limiting structure, which comprises a driving rocker arm group and a driven rocker arm group, wherein the driven rocker arm group is movably connected with a driving connecting rod and a driven connecting rod, the driving connecting rod is connected with a driving device, the driven connecting rod is connected with the driving rocker arm group, wiper support seats are arranged on the driving rocker arm group and the driven rocker arm group, each wiper support seat comprises a transverse plate, upright posts are arranged on the upper side and the lower side of the transverse plate, limiting posts are symmetrically arranged on the two sides of the upright posts positioned on the lower side, the limiting posts limit the swing amplitude of the driving rocker arm group and the driven rocker arm group, and positioning pins are arranged on the upper side of the transverse plate; according to the utility model, the limit posts are arranged on the wiper support seat, and can limit the swing amplitude of the driving rocker arm group and the driven rocker arm group, so that the wiper mechanism moves in a certain range, and the phenomenon that the wiper strikes the A post in a high-speed wet wiping state can be effectively prevented.

Description

Wiper mechanism with limit structure

Technical Field

The utility model relates to the field of windscreen wipers, in particular to a wiper mechanism with a limiting structure.

Background

In order to ensure running safety in rainy days, national standard GB15085 performance requirements and test method of windshield wipers and washers of automobiles prescribes the lowest standard of wiping coverage rate of the wiper, when the wiping coverage rate is too low, driving vision is affected, when the wiping coverage rate is too high, the wiper blade is easy to strike A column, abnormal noise of the wiper is caused, and the service life of the wiper is shortened.

When the service life of the existing mechanical wiper reaches a certain time, the fit clearance of the wiper mechanism is gradually increased, so that the motion inertia of the wiper blade is increased, the theoretical wiping angle is larger, especially in a rainy day, the rainfall is large, the friction coefficient of the wiper blade is small, the increase of the wiping angle of the wiper blade is further aggravated, and the phenomenon of hitting an A column of an automobile occurs. In order to solve this problem, an electronic wiper or a brushless wiper having a speed adjusting function may be used instead of the mechanical wiper, but the electronic wiper or the brushless wiper is expensive, and it is difficult to implement the solution in an environment where the cost is greatly reduced in a vehicle factory. Therefore, a wiper mechanism with a limiting structure needs to be designed, so that the wiper is effectively prevented from hitting the A column, and the wiper mechanism is low in manufacturing cost, easy to produce and high in reliability.

Disclosure of Invention

The utility model aims to provide a wiper mechanism with a limiting structure, which solves the problem that a wiper in the prior art strikes an A column of an automobile in a high-speed wet wiping state.

In order to achieve the above purpose, the specific technical scheme of the wiper mechanism with the limiting structure is as follows:

The utility model provides a wiper mechanism with limit structure, includes initiative rocking arm group and driven rocking arm group, swing joint has initiative connecting rod and driven connecting rod on the driven rocking arm group, initiative connecting rod is connected with drive arrangement, driven connecting rod connects initiative rocking arm group, all install the windscreen wiper support seat on initiative rocking arm group and the driven rocking arm group, the windscreen wiper support seat includes the diaphragm, the diaphragm is last, the lower both sides are provided with the stand, and wherein the stand bilateral symmetry that is located the downside is provided with spacing post, the swing range of initiative rocking arm group and driven rocking arm group is restricted to spacing post, the diaphragm upside is provided with the locating pin.

Further, the limit post and the transverse plate are of an integrated structure.

Further, the limit post is in threaded connection or clamping connection with the transverse plate.

Further, the limit post is made of elastic materials.

Further, the locating pins are symmetrically arranged on two sides of the upright post on the upper side.

Further, the end head of the locating pin is subjected to rounding treatment.

Further, the driving device is a wiper motor.

The utility model has the beneficial effects that:

1. According to the utility model, the limit posts are arranged on the wiper support seat, and can limit the swing amplitude of the driving rocker arm group and the driven rocker arm group, so that the wiper mechanism moves in a certain range, the phenomenon that the wiper strikes the A column of an automobile in a high-speed wet wiping state can be effectively prevented, the wiper support seat is provided with the locating pin, the locating pin can be pre-positioned with the sheet metal of the automobile body, abnormal noise caused by tilting of the wiper shaft is avoided, the reliability is high, the manufacturing cost is low, and the production is easy.

Drawings

FIG. 1 is a schematic view of the overall structure of a wiper mechanism according to the present utility model;

FIG. 2 is an overall schematic view of a wiper carrier seat according to the present utility model;

FIG. 3 is a schematic view of the wiper mechanism of the present utility model operating with a wiper blade set;

In the figure: 1. the novel windscreen wiper comprises a driving rocker arm group, a driven rocker arm group, a driving connecting rod, a driven connecting rod, a driving device, a windscreen wiper support seat, a transverse plate, a vertical column, a limit column, a locating pin, a windscreen wiper group, a windscreen, a vehicle A column, a virtual wiping area and a virtual wiping area.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, a wiper mechanism with a limiting structure is designed, which comprises a driving rocker arm set 1 and a driven rocker arm set 2, wherein a driving connecting rod 3 and a driven connecting rod 4 are movably connected to the driven rocker arm set 2, the driving connecting rod 3 is connected with a driving device 5, the driven connecting rod 4 is connected with the driving rocker arm set 1, wiper support seats 6 are respectively arranged on the driving rocker arm set 1 and the driven rocker arm set 2, the wiper support seats 6 comprise transverse plates 61, upright posts 62 are arranged on the upper side and the lower side of the transverse plates 61, limiting posts 63 are symmetrically arranged on the two sides of the upright posts 62 on the lower side, the driving rocker arm set 1 and the driven rocker arm set 2 are respectively movably connected with the upright posts 62 on the lower side of the upright posts, the limiting posts 63 on the driving rocker arm set 1 are used for limiting the swing amplitude of the driving rocker arm set 1, positioning pins 64 are arranged on the upper side of the transverse plates 61 and can be positioned with a sheet metal plate of a vehicle body in a preset mode, the wiper shaft is prevented from inclining, the wiper is high in reliability, the manufacturing cost is low, and the wiper is easy to produce.

Wherein, through set up spacing post 63 on windscreen wiper support seat 6, spacing post 63 can restrict the swing range of initiative rocking arm group 1 and driven rocking arm group 2 for wiper mechanism moves in the range, thereby its phenomenon that can effectively prevent the windscreen wiper to beat car A post 9 under the high-speed wet state of scraping, and be equipped with the locating pin on the windscreen wiper support seat, can fix a position with the automobile body panel beating in advance, avoid the windscreen wiper axle slope, cause the windscreen wiper to wipe the abnormal sound, the reliability is high it, the cost of manufacture is low, and easy production.

As shown in fig. 1 to 3, the limiting post 63 and the transverse plate 61 are in an integral structure, not easy to break, and high in reliability, or the limiting post 63 and the transverse plate 61 can be in threaded connection or clamping connection, and can be used for a long time, and worn and disassembled for replacement; the limiting column 63 is made of elastic materials, so that impact caused by scraping can be effectively reduced, and damage to the water scraping mechanism caused by rigid contact is avoided; the positioning pins 64 are symmetrically arranged on two sides of the upright post 62 on the upper side, and are symmetrically arranged, so that the positioning pins are better fixedly matched with positioning holes on the sheet metal of the vehicle body; the end of the positioning pin 64 is rounded, so that the installation is convenient; the driving device 5 is a wiper motor, has low cost and is used for driving the wiper mechanism to work.

When the novel windscreen wiper is used, the stand column 62 on the upper side of the windscreen wiper support seat 6 is provided with the wiper blade group 7, the wiper blade group 7 is attached to the surface of the windscreen 8, the edge of the windscreen 8 is provided with the automobile A column 9, the driving device 5 drives the driving connecting rod 3 to move so as to drive each part to move, and the limiting columns 63 are arranged on the windscreen wiper support seat 6 and can limit the swing amplitude of the driving rocker arm group 1 and the driven rocker arm group 2, so that the wiper mechanism moves in the virtual wiper area 10, and the virtual wiper area 10 is the movement track of the wiper blade group 7 on the surface of the windscreen 8, thereby effectively preventing the phenomenon that the windscreen wiper hits the automobile A column 9 in a high-speed wet wiper state.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. The utility model provides a wiper mechanism with limit structure, includes initiative rocking arm group (1) and driven rocking arm group (2), swing joint has initiative connecting rod (3) and driven connecting rod (4) on driven rocking arm group (2), initiative connecting rod (3) are connected with drive arrangement (5), driven connecting rod (4) connect initiative rocking arm group (1), all install wiper support seat (6) on initiative rocking arm group (1) and the driven rocking arm group (2), a serial communication port, wiper support seat (6) include diaphragm (61), diaphragm (61) upper and lower both sides are provided with stand (62), and wherein stand (62) bilateral symmetry that are located the downside is provided with spacing post (63), the swing range of spacing post (63) restriction initiative rocking arm group (1) and driven rocking arm group (2), diaphragm (61) upside is provided with locating pin (64).

2. A wiper mechanism with a limiting structure according to claim 1, characterized in that the limiting post (63) and the cross plate (61) are of an integrally formed structure.

3. A wiper mechanism with a limiting structure according to claim 1, characterized in that the limiting post (63) is screwed or clamped with the cross plate (61).

4. A wiper mechanism with a limiting structure according to claim 2 or 3, characterized in that the limiting post (63) is made of an elastic material.

5. The wiper mechanism with a limiting structure according to claim 1, wherein the positioning pins (64) are symmetrically arranged on both sides of the upright post (62) on the upper side.

6. The wiper mechanism as recited in claim 5, wherein the locating pin (64) ends are rounded.

7. A wiper mechanism with a limiting structure according to claim 1, characterized in that the driving means (5) is a wiper motor.