CN211731324U

CN211731324U - Windscreen wiper with adaptable brush joint

Info

Publication number: CN211731324U
Application number: CN202020456901.2U
Authority: CN
Inventors: 程宝来; 周峰; 胡典松
Original assignee: Duchang Yeda Automotive Components Co ltd
Current assignee: Duchang Yeda Automotive Components Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-10-23
Anticipated expiration: 2030-04-01

Abstract

The utility model provides a wiper that contains adaptability brush and connects, including the wiper arm, can scrape windshield's wiper, connect the arm joint of scraping of wiper arm, the guide plate of card on the wiper, and connect the guide plate and scrape the brush joint that the arm connects, the brush connects and has adaptability, include and fix the base on the guide plate with the lock mode, the both ends symmetry of base is equipped with the boss, be equipped with the lock groove on the medial surface of each boss orientation base center direction, the centre department of base is equipped with the constant head tank, the both sides limit of base is equipped with the location strip respectively, the location strip is located between two bosss. The utility model discloses connect the design with the brush to the adaptability connects, adopts the lock groove to replace central nail to can reduce the whole height of wiper, in addition, the brush connects and realizes carrying out the lock with the arm joint of scraping of different motorcycle types through lock groove, constant head tank and location strip and is connected, thereby can improve assembly efficiency and production efficiency, and reduction in production cost.

Description

Windscreen wiper with adaptable brush joint

Technical Field

The utility model relates to an automobile windscreen wiper technical field, in particular to windscreen wiper that contains adaptability brush joint.

Background

At present, the windscreen wiper that is commonly used in the market, including the wiper arm, can scrape windshield's wiper, connect the wiper arm joint of wiper arm to and connect the wiper and with the brush joint who scrapes arm articulate. The middle part that current brush connects is equipped with central nail, scrapes the arm and connects and detain through the knot hole and be connected with brush articulate on central nail, in order to guarantee joint strength between the two, central nail must have sufficient diameter for it must be great to scrape the size that the arm connects the knot hole position of setting. In order to avoid contact between the wiper arm joint and the bottom of the brush joint, the center pin must be spaced a sufficient distance from the bottom of the brush joint to provide a wiper blade product with a high overall height. In addition, the windscreen wipers used by various types of automobiles are different in structure and installation mode, so that different wiper arm joints and brush joints are required to be equipped, and the production cost of windscreen wiper manufacturers is higher.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a wiper that contains adaptability brush and connect, brush wherein connects and connects for adaptability, except can reducing the whole height of wiper, can also carry out the lock with the arm joint of scraping of different motorcycle types and be connected to reduction in production cost.

The utility model provides a wiper that contains adaptability brush and connects, includes the wiper arm, can scrape windshield's wiper, connects the wiper arm of wiping the arm connects, the card is in guide plate on the wiper, and connect the guide plate with the brush that the wiper arm connects, the brush connects has adaptability, include to fix with the lock mode base on the guide plate, the both ends symmetry of base is equipped with the boss, each the boss orientation be equipped with the lock groove on the medial surface of base center direction, the centre department of base is equipped with the constant head tank, the both sides limit of base is equipped with the location strip respectively, the location strip is located two between the boss, the brush connects and passes through lock groove, constant head tank and location strip realize carrying out the lock with the wiper arm joint of different motorcycle types and be connected.

Compared with the prior art, the utility model discloses connect the design with the brush to connect for adaptability, adopt the lock groove to replace central nail to can reduce the whole height of wiper, in addition, the brush connects and passes through lock groove, constant head tank and location strip realize carrying out the lock with the arm joint of scraping of different motorcycle types and be connected, thereby can improve assembly efficiency and production efficiency, and reduction in production cost.

Furthermore, the buckling groove comprises an accommodating groove formed by inwards recessing the inner side surface of the boss towards the center direction of the base and an accommodating cavity formed by inwards recessing the accommodating groove towards the end part of the base, the top of the accommodating cavity is provided with a notch, and the notch of the notch faces the center direction of the base.

Further, accept the bottom in chamber and be equipped with and dodge the groove, it runs through to dodge the groove the base bottom.

Further, an inner side surface of the boss facing the center direction of the base is an inclined surface inclined upward from the center direction of the base toward the end of the base.

Further, the positioning strip is arranged along the length direction of the base.

Further, the length direction of the positioning groove is perpendicular to the length direction of the base.

Furthermore, edges of two sides of the base are respectively bent downwards to form covered edges, and clamping grooves are formed in the inner walls of the covered edges;

two sides of the tail end of the boss extend outwards to form supporting walls respectively, and a blocking wall is arranged between the two supporting walls and the tail end of the boss;

the brush connector is clamped on the guide plate through the blocking wall and is clamped with the single reed which longitudinally penetrates through the guide plate through the clamping groove.

Further, the guide plate comprises a buckling part connected with the windshield wiper in a buckling mode and a flow guide part arranged at the top of the buckling part, a buckling position is arranged in the middle of the flow guide part, a through hole longitudinally penetrating through the guide plate is formed between the buckling part and the flow guide part, the brush connector is clamped in the buckling position through the blocking wall, and the single spring piece penetrates through the through hole.

Furthermore, a blocking strip for preventing the single spring leaf from being separated is arranged in the buckling position and is positioned at the top of the through hole.

Further, the top of the flow guide part is in a deviating streamline shape.

Drawings

Fig. 1 is a schematic structural view of a wiper blade according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the attachment of the wiper connector, deflector and wiper blade of FIG. 1;

FIG. 3 is a schematic view of the brush joint of FIG. 2 from another perspective;

FIG. 4 is a schematic view of the connection of the deflector, the single reed and the wiper of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is a schematic view of the wiper arm joint of FIG. 1;

FIG. 7 is a schematic view of the wiper arm joint of FIG. 6 from another perspective;

FIG. 8 is a schematic view of the first card connector in FIG. 1;

FIG. 9 is a schematic view of the second card connector of FIG. 1;

FIG. 10 is a schematic view of the structure of the insert PIN wiper arm of FIG. 1;

fig. 11 is a schematic structural view of a wiper blade according to a second embodiment of the present invention;

FIG. 12 is a schematic view of the construction of the large PIN wiper arm of FIG. 11;

fig. 13 is a schematic structural view of a wiper blade according to a third embodiment of the present invention;

FIG. 14 is a schematic view of the hook type wiper arm of FIG. 13;

fig. 15 is a schematic structural view of a wiper blade according to a fourth embodiment of the present invention;

fig. 16 is a schematic structural view of the small PIN wiper arm of fig. 15.

Description of the main element symbols:

the following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an embodiment of the present invention provides a wiper blade with an adaptable wiper joint, which includes a wiper arm 10, a wiper blade 11 capable of wiping a windshield, a wiper arm joint 12 connected to the wiper arm 10, a deflector 13 clamped on the wiper blade 11, and a wiper joint 14 connecting the deflector 13 and the wiper arm joint 12.

Referring to fig. 2 and 3, the brush joint 14 is adaptable and includes a base 141 fixed on the guide plate 13 in a fastening manner, bosses 142 are symmetrically disposed at two ends of the base 141, a fastening groove 143 is disposed on an inner side surface of each boss 142 facing the center direction of the base 141, a positioning groove 144 is disposed at the middle of the base 141, positioning strips 145 are respectively disposed at two side edges of the base 141, the positioning strips 145 are located between the two bosses 142, and the brush joint 14 is fastened and connected to the arm scraping joints 12 of different vehicle types through the fastening grooves 143, the positioning grooves 144, and the positioning strips 145.

It should be noted that, the utility model discloses in, adopt the lock mode can make brush joint 14 is more convenient to be installed on guide plate 13, save installation time to promote work efficiency. The brush head 14 is designed as an adaptable head, i.e. the existing brush head is designed to be adaptable such that the same brush head 14 matches different types of wiper arm heads 12. Specifically, in this embodiment, the adaptability is realized through the fastening groove 143, the positioning groove 144 and the positioning strip 145, that is, the brush joint 14 is fastened and connected with the arm scraping joints 12 of different vehicle types through the fastening groove 143, the positioning groove 144 and the positioning strip 145.

Referring to fig. 2, the fastening groove 143 includes a receiving groove 1431 formed by recessing the inner side surface of the protrusion 142 toward the center direction of the base 141, and a receiving cavity 1432 formed by recessing the receiving groove 1431 toward the end of the base 141, a notch 1433 is disposed at the top of the receiving cavity 1432, and the notch of the notch 1433 faces the center direction of the base 141, so as to facilitate fastening connection with the arm connector 12.

In a preferred embodiment of the present invention, the bottom of the accommodating cavity 1432 is provided with an avoiding groove 1434, and the avoiding groove 1434 runs through the bottom of the base 141, so as to avoid interference when the arm joint 12 is installed.

Referring to fig. 2, an inner side surface of the boss 142 facing the center direction of the base 141 is an inclined surface 1421, and the inclined surface 1421 is inclined upward from the center direction of the base 141 toward the end of the base 141, so as to be matched with the bottom of the wiper arm joint 12 for installation.

In a preferred embodiment of the present invention, the positioning bar 145 is disposed along the length direction of the base 141 to restrict the movement of the wiper arm joint 12 toward both sides of the brush joint 14.

In another preferred embodiment of the present invention, the length direction of the positioning groove 144 is perpendicular to the length direction of the base 141 to position and limit the movement of the wiper arm 12 toward the ends of the brush head 14.

Referring to fig. 2 to 5, two side edges of the base 141 are respectively bent downward to form a covered edge 1411, and a clamping groove 1412 is formed on an inner wall of the covered edge 1411;

two sides of the tail end of the boss 142 extend outwards to form supporting walls 146 respectively, and a blocking wall 147 is arranged between the two supporting walls 146 and the tail end of the boss 142;

the brush connector 14 is clamped on the guide plate 13 through the blocking wall 147 and is clamped with the single spring 15 longitudinally penetrating through the guide plate 13 through the clamping groove 1412.

It should be noted that, in the present invention, the unique design of the single spring 15 can make the width of the wiper 11 smaller, and the wiper 11 blocks the view field smaller when wiping the glass. The single reed 15 is an integral curved arc elastic sheet, the radian of the elastic sheet is stable, the quality is guaranteed, and the safety is high.

Referring to fig. 4 and 5, the deflector 13 includes a fastening portion 131 fastened to the wiper 11 and a flow guiding portion 132 disposed on the top of the fastening portion 131, a fastening portion 133 is disposed in the middle of the flow guiding portion 132, a through hole 134 longitudinally penetrating through the deflector 13 is disposed between the fastening portion 131 and the flow guiding portion 132, the brush head 14 is clamped in the fastening portion 133 through the blocking wall 147, and the single spring piece 15 is inserted in the through hole 134.

Referring to fig. 4, a stop strip 135 for preventing single spring leaf 15 from being separated is disposed in fastening position 133, and stop strip 135 is located at the top of through hole 134 to prevent single spring leaf 15 from being separated from fastening position 133 and through hole 134.

Referring to fig. 5, the top of the flow guiding portion 132 is a divergent streamline. It should be noted that the design of the diversion streamline type diversion plate 13 can more effectively control the air flow, so that the windshield wiper 11 is more attached to the glass at high speed, and the wiping effect is better. In addition, the surface of the windshield wiper 11 is coated, so that wiping noise can be reduced, the wiping is more durable, the noise is reduced, and the windshield wiper is quieter.

Referring to fig. 1 to 3, 6 and 7, the scraping arm joint 12 is adaptable, the scraping arm joint 12 includes two symmetrically disposed buckling walls 121, a connecting portion 122 and a buckling column 123, the connecting portion 122 connects the two buckling walls 121, the buckling column 123 is located above the connecting portion 122, two ends of the two buckling walls 122 are respectively connected in a closed manner, one end protrudes outward to form an elastic buckling portion 124, the other end protrudes outward to form an embedding portion 125, the bottom of the buckling wall 121 is provided with a strip groove 126, the bottom of the connecting portion 122 is provided with a protrusion 127, and the scraping arm joint 12 is buckled and connected with the brush joint 14 through the elastic buckling portion 124, the embedding portion 125, the strip groove 126 and the protrusion 127.

It should be noted that the present invention is to design the scraping arm joint 12 as an adaptable joint, i.e. the existing scraping arm joint 12 is adapted to make the same scraping arm joint 12 match the wiper arm 10 of different types. Specifically, one of the fastening grooves 143 is fastened to the elastic fastening portion 124, the other fastening groove 143 is fastened to the insertion portion 125, the positioning groove 144 is fastened to the protrusion 127, and the positioning strip 145 is fastened to the strip groove 126, so that the installation is more convenient, and the overall height of the wiper blade can be reduced.

Referring to fig. 1, 6 to 9, a first clamping joint 16 is disposed between the two buckling walls 121, a second clamping joint 17 is disposed on the first clamping joint 16, the wiper arm joint 12 is clamped with wiper arms 10 of different vehicle types through the first clamping joint 15 and the second clamping joint 16, and the tail ends of the wiper arms 10 of different vehicle types extend along the wiper arm joint 12 in a direction back to the second clamping joint 17.

Referring to fig. 1, 2, 6 and 7, the insertion portion 125 is a convex L-shaped structure, and an L-shaped groove 1251 extending upward from the bottom is formed at the bottom of the insertion portion 125, so that the insertion portion 125 has certain elasticity, so that the insertion portion 125 is conveniently clamped into the fastening groove 143.

Referring to fig. 1, 2, 6 and 7, the elastic clamping portion 124 includes a first connecting wall 1241 connected to the two fastening walls 121, a second connecting wall 1242 connected to the first connecting wall 1241 and extending downward, and an F-shaped clamping portion 1243 connected to the bottom of the second connecting wall 1242 and extending upward, a gap is left between the second connecting wall 1242 and the inner wall of the fastening wall 121, so that the second connecting wall 1242 has a certain flexibility and can swing around the connection point with the first connecting wall 1241, thereby facilitating the elastic clamping portion 124 to be clamped into the fastening groove 143.

Referring to fig. 1, 6 to 9, the first clamping head 16 includes two first clamping walls 161 symmetrically disposed, one end of each of the two first clamping walls 161 is connected by a first clamping column 162, and the other end is connected by a first clamping platform 163;

a first buckling position lacking hole 164 is formed in the end, facing the first buckling column 162, of the first buckling table 163, the first buckling position lacking hole 164 is buckled with the buckling position column 123, and the end, provided with the first buckling column 162, of the first buckling joint 16 abuts against the bottom of the embedding part 125;

first perforation 165 that is equipped with horizontal setting on the first joint wall 161, first perforation 165 is located between first joint post 162 and the first joint platform 163, the top of first joint wall 161 is equipped with accepts groove 166, it is located to accept groove 166 first perforation 165's top.

Further, the second card connector 17 includes a first arc-shaped wall 171 and a second arc-shaped wall 172 which are horizontally arranged, and a third arc-shaped wall 173 which is vertically arranged, one end of the first arc-shaped wall 171 is connected with the third arc-shaped wall 173, the other end is bent downward to form a second card connecting portion 174, one end of the second arc-shaped wall 172 is connected with a side wall of the second card connecting portion 174, and the other end is connected with the third arc-shaped wall 173;

second that is equipped with horizontal setting on the second joint portion 174 detains position and lacks hole 175, first arc wall 171 with the evagination in both sides of third arc wall 173 link forms receiving portion 176, receiving portion 176 card is in receiving groove 166, second detain position and lack hole 175 with first joint post 162 joint.

The following is a description of specific examples:

example 1

Referring to fig. 1 to 10, a first clamping groove 1631 is disposed on the first clamping platform 163, and the first clamping groove 1631 penetrates through a side wall of the first clamping platform 163 from a top of the first clamping platform 163 to a direction back to the first clamping pillar 162;

a first clamping hole 1632 is formed in the top side wall of the first clamping groove 1631, and the end of the bottom side wall is not in contact with the inner side wall of the first clamping wall 161, so that the bottom of the first clamping groove 1631 has certain elasticity, which is convenient for the installation of the wiper arm 10;

the wiper arm 10 is of a PIN-inserted type structure, and includes a wiper arm top side 101 and a wiper arm connecting post 102 disposed on the top of the wiper arm top side 10, the wiper arm top side 101 extends into the first engaging groove 1631, and the wiper arm connecting post 102 is connected to the first engaging hole 1632.

In this embodiment, the longitudinal movement of the wiper arm 10 is limited by the first latching hole 1632, and the lateral movement and the rotation of the wiper arm 10 are limited by the first latching groove 1631.

Example 2

Referring to fig. 1 to 9, 11 and 12, a first connection hole 1211 is formed on the latching wall 121, and the first connection hole 1211 is located between the latching post 123 and the insertion portion 125;

the connecting end of the second arc-shaped wall 172 and the third arc-shaped wall 173 protrudes upwards and forms an avoiding notch 177;

the wiper arm 10a is of a large PIN-shaped structure and comprises a first wiper arm 10a1 and a second wiper arm 10a2 which are connected, a pivoting shaft 10a3 is vertically arranged on the side wall of the first wiper arm 10a1, an annular groove 10a4 is arranged in the middle of the pivoting shaft 10a3, and the pivoting shaft 10a4 penetrates through the first connecting hole 1211 and the first through hole 165 so that the annular groove 10a4 is clamped with the avoidance notch 177.

It should be noted that, in this embodiment, the wiper arm 10a is restricted from moving laterally and longitudinally by the annular groove 10a4 and the relief notch 177.

Example 3

Referring to fig. 1 to 9, 13 and 14, the wiper arm 10b has a hook structure, and includes a hook portion 10b1 hooking the first catching platform 163 and an extending portion 10b2 connected to the hook portion 10b1, wherein the hook portion 10b1 hooks the first catching platform 163 at an inner side thereof, a top portion of an outer side thereof is caught by the third arc-shaped wall 173, and both sides thereof are caught by the first catching wall 161.

In this embodiment, the third arc-shaped wall 173 limits the longitudinal movement of the wiper arm 10b, and the first engaging wall 161 limits the lateral movement of the wiper arm 10 b.

Example 4

Referring to fig. 1 to 9, 15 and 16, a second connecting hole 1212 is disposed on the buckling wall 121, and the second connecting hole 1212 is located between the buckling position column 123 and the elastic clamping portion 124;

a third buckling position gap 167 is formed on the first clamping table 163, and the third buckling position gap 167 and the first clamping column 162 are located at two ends of the first buckling position gap 164;

the wiper arm 10c is of a small PIN-shaped structure and comprises a first wiper arm 10c1 and a second wiper arm 10c2 which are connected, a pivoting shaft 10c3 is vertically arranged on the side wall of the first wiper arm 10c2, a ring groove 10c4 is arranged in the middle of the pivoting shaft 10c3, and the pivoting shaft 10c3 penetrates through the second connecting hole 1212, so that the ring groove 10c4 and the third buckling position notch 167 are clamped.

It should be noted that in the present embodiment, the small PIN-shaped structure and the large PIN-shaped structure are substantially the same except for the local size change, and the lateral and longitudinal movement of the wiper arm 10c is limited by the ring groove 10c4 and the third catching notch 167.

To sum up, the utility model discloses connect 14 with the brush and design to adaptability connects, adopts lock groove 143 to replace central nail to can reduce the whole height of wiper, in addition, brush connects 14 to pass through lock groove 143, constant head tank 144 and location strip 145 realize carrying out the lock with the arm of scraping of different motorcycle types and connect 12 and be connected, thereby can improve assembly efficiency and production efficiency, and reduction in production cost. Further, the utility model discloses to scrape arm joint 12 design and connect for adaptability, through elastic clamping joint portion 124, embedding portion 125, strip groove 126 and lug 127 with brush and connect 14 locks and connect to can reduce the whole height of wiper, simultaneously, through first clamping joint 16 and second clamping joint 17 realize with the windscreen wiper arm 10 joint of different motorcycle types, thereby can improve assembly efficiency and production efficiency, and reduction in production cost.

The above-described embodiments describe the technical principles of the present invention, and these descriptions are only for the purpose of explaining the principles of the present invention, and should not be interpreted as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a wiper that contains adaptability brush and connects, includes the wiper arm, can scrape windshield's wiper, connects the arm of scraping of wiper arm connects, the card is in guide plate on the wiper, and connect the guide plate with the brush that the arm of scraping connects its characterized in that: but the brush connects adaptability, include to fix with the lock mode base on the guide plate, the both ends symmetry of base is equipped with the boss, each the boss orientation be equipped with the lock groove on the medial surface of base center direction, the centre department of base is equipped with the constant head tank, the both sides limit of base is equipped with the location strip respectively, the location strip is located two between the boss, the brush connects to pass through lock groove, constant head tank and location strip realize carrying out the lock with the arm joint of scraping of different motorcycle types and be connected.

2. The adaptable brush joint-containing wiper blade of claim 1, wherein: the buckling grooves comprise accommodating grooves formed by inwards recessing the inner side faces of the bosses towards the center direction of the base and accommodating cavities formed by inwards recessing the accommodating grooves towards the end parts of the base, the tops of the accommodating cavities are provided with notch grooves, and the notches of the notch grooves face the center direction of the base.

3. The adaptable brush adapter-containing wiper blade of claim 2, wherein: the bottom of accepting the chamber is equipped with dodges the groove, dodge the groove and run through the base bottom.

4. The adaptable brush joint-containing wiper blade of claim 1, wherein: the inner side surface of the boss facing the center direction of the base is an inclined surface which inclines upwards from the center direction of the base to the end part of the base.

5. The adaptable brush joint-containing wiper blade of claim 1, wherein: the positioning strip is arranged along the length direction of the base.

6. The adaptable brush joint-containing wiper blade of claim 1, wherein: the length direction of the positioning groove is perpendicular to the length direction of the base.

7. The adaptable brush joint-containing wiper blade of claim 1, wherein: edges of two sides of the base are respectively bent downwards to form covered edges, and clamping grooves are formed in the inner walls of the covered edges;

8. The adaptable brush joint-containing wiper blade of claim 7, wherein: the flow guide plate comprises a buckling part connected with the windshield wiper in a buckling manner and a flow guide part arranged at the top of the buckling part, a buckling position is arranged in the middle of the flow guide part, a through hole longitudinally penetrating through the flow guide plate is formed between the buckling part and the flow guide part, the brush joint is clamped in the buckling position through the blocking wall, and the single reed penetrates through the through hole.

9. The adaptable brush joint-containing wiper blade of claim 8, wherein: and a blocking strip for preventing the single spring sheet from being separated is arranged in the buckling position, and the blocking strip is positioned at the top of the through hole.

10. The adaptable brush joint-containing wiper blade of claim 8, wherein: the top of the flow guide part is in a deviating streamline shape.