CN105329218B - A kind of wiper - Google Patents

Abstract

The invention relates to a windshield wiper, which relates to auto parts, and includes a first frame, a second frame and a third frame are arranged at both ends of the first frame, and a wiper rubber strip is connected to the bottom of the first frame, the second frame, and the third frame. Elastic parts are arranged on the rubber strip, and a first connecting piece is arranged above both ends of the wiper rubber strip, one end of the second connecting piece is connected with the wiper rubber strip, and the other end of the second connecting piece is respectively connected with the first connecting piece and the second skeleton. 1. The third skeleton is connected, and the middle part of the second connecting piece is connected to the first skeleton. In the wiper of the present invention, by changing the connection mode of the first skeleton, the second skeleton, the third skeleton and the elastic member, the elastic member does not need to be bent, and the fit between the wiper strip and the windshield is enhanced, so that the wiper always maintains Good scraping effect.

Description

a wiper

technical field

The invention relates to the field of auto parts, in particular to a windshield wiper.

Background technique

The wiper is an essential accessory of a motor vehicle. The cleanliness of the wiper on the windshield of the vehicle directly affects the visibility of the driver of the vehicle, and has a vital relationship with the driving safety of the vehicle. What affects the wiping performance of the car wiper is how high the fit between the wiper and the windshield is. The windshield has a curvature, and the existing wiper also has a little elasticity and curvature, which can be better attached to the windshield. Composite glass can be scraped relatively clean under normal circumstances.

Currently there is a three-section windshield wiper on the market, such as the Chinese patent number: zl201420216146.5, and the name of the invention is: a patent for a three-section skeleton wiper. This patent document describes a three-section skeleton wiper, including a skeleton, a memory Alloy steel strips, rubber strips, memory alloy steel strips are installed in the skeleton, rubber strips are installed in memory alloy steel strips, rubber strips are partially exposed outside the skeleton, and the skeleton includes the second skeleton in the middle and the first skeleton on both sides 1. The third frame, the first frame and the third frame are respectively connected to the two ends of the second frame.

The above-mentioned three-section wiper increases the fit between the wiper and the windshield to a certain extent, and cleans the window glass more cleanly, but its defects are also obvious. The wiper with this structure must be made of memory alloy steel The strip is bent into a certain curvature. The matching with the windshield depends entirely on the radian of the memory alloy steel strip, but the curvature of the windshield of each model on the market is not the same, which also limits the use effect of this wiper.

Contents of the invention

Based on this, it is necessary to provide a wiper blade which can have a good wiping effect in order to solve the problems in the prior art.

In order to solve the problems in the prior art, the present invention discloses a wiper blade, which includes a first frame, and the two ends of the first frame are respectively provided with a second frame and a third frame, and the bottom of the first frame, the second frame, and the third frame Connect the elastic piece and the wiper rubber strip, the first connecting piece and the second connecting piece are arranged above the two ends of the elastic piece, the third connecting piece is connected to the first connecting piece, and the fourth connecting piece is connected to the second connecting piece , one end of the third connecting piece is connected with the elastic piece, the other end is connected with the second skeleton, one end of the fourth connecting piece is connected with the elastic piece, the other end is connected with the third skeleton, and the two ends of the first skeleton are respectively connected with the third connecting piece and the second skeleton. Four connectors.

Further: the upper end of the middle part of the third connecting piece is provided with a first large bolt, the first large bolt is provided with a first fixing seat, the first fixing seat is connected with the first skeleton, and the middle upper end of the fourth connecting piece is provided with The second large bolt is provided with a second fixing seat on the second large bolt, and the second fixing seat is connected with the first frame.

Further: the end of the first fixing seat pointing to the first skeleton is provided with a first positioning groove, the end far away from the first skeleton is provided with a first card seat groove, and the end of the second fixing seat pointing to the first skeleton is provided with a first positioning groove. Two positioning grooves, the end of which is far away from the first frame is provided with a second card seat groove;

Positioning seats are respectively provided at the bottoms of the two ends of the first framework and the connecting parts of the first fixing seat and the second fixing seat; The positioning hole and the positioning seat are respectively snapped into the first positioning slot and the second positioning slot, and the clamping posts are respectively snapped into the first slot and the second slot.

Further: a first small bolt is provided between the first connecting piece and the third connecting piece, a second small bolt is provided between the second connecting piece and the fourth connecting piece, and the lower end of the first small bolt is connected to The upper end of the first connecting piece is connected to the third connecting piece, the lower end of the second small bolt is connected to the second connecting piece, and the upper end thereof is connected to the fourth connecting piece.

Further: a cavity is provided in the middle of the first frame, a connecting shaft is provided in the cavity, the wiper connector is connected to the connecting shaft, and the upper end of the first frame is located at both ends of the cavity to be provided with guide grooves.

Further: the two sides of the upper end of the wiper rubber strip are provided with mosaic slots, the two ends of the wiper rubber strip are located in the mosaic grooves and positioning blocks are provided, the elastic part is composed of a first elastic part and a second elastic part, the first elastic part The second elastic part is respectively embedded in the inlay slots on both sides of the wiper rubber strip.

Further: the inside of the second skeleton is provided with a first buckle and a second buckle, the third connector is provided with a first buttonhole at one end pointing to the second skeleton, and the first fixing seat is provided at one end pointing at the second skeleton. The second card hole, the first button is connected with the first button hole, and the second button is connected with the second card hole;

The inner side of the third skeleton is provided with a third buckle and a fourth buckle, the fourth connector is provided with a third clamping hole at one end pointing to the third skeleton, and the second fixing seat is provided with a fourth clamping hole at one end pointing to the third skeleton. The third buckle is buckled with the third card hole, and the fourth buckle is buckled with the fourth card hole.

The beneficial effects of the present invention are: the wiper blade of the present invention, by changing the connection mode of the first frame, the second frame, the third frame and the elastic part, the elastic part does not need to be bent, which reduces the difficulty of the process. The first connecting piece and the second connecting piece can be rotated independently through the large and small bolts, and the first connecting piece and the second connecting piece can be connected together to rotate freely, avoiding the friction between the first skeleton, the second skeleton, and the third skeleton. The influence of the bending arc of the elastic part enhances the fit between the wiper rubber strip and the windshield, and the bending arc of the elastic part is not affected by the first frame, the second frame, and the third frame, so that the wiper is always Keep a good scraping effect.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the schematic diagram of structural decomposition of the present invention;

Fig. 3 is the structural assembly schematic diagram of the present invention;

Fig. 4 is a schematic diagram of the connection structure between the first frame 1 and the fixing seats 61, 71;

Fig. 5 is a schematic diagram of the internal structure of the second framework 2 and the third framework 3;

FIG. 6 is an exploded schematic diagram of the structure of the elastic member 9 and the wiper rubber strip 10 .

detailed description

In order to further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to Figures 1 to 6, a wiper blade includes a first frame 1, a second frame 2 and a third frame 3 are respectively provided at both ends of the first frame 1, the first frame 1, the second frame 2, The bottom of the third framework 3 is connected with the wiper rubber strip 10 .

Both sides of the upper end of the wiper rubber strip 10 are provided with inlay slots 101, the elastic member 9 is composed of a first elastic member 91 and a second elastic member 92, and the first elastic member 91 and the second elastic member 92 are respectively embedded in the wiper rubber strip 10 The mosaic slots 101 on both sides.

In the existing three-section wiper blade, the second frame 2 and the third frame 3 are movably connected to the two ends of the first frame 1 respectively, and the two ends of the elastic member 9 are respectively connected to the second frame 2 and the third frame 3 . When the wiper scrapes and washes the windshield, the second skeleton 2 and the third skeleton 3 will make corresponding movements along with the outer radian of the elastic member 9, and the movement radian of the elastic member 9 determines the angle of the second skeleton 2 and the third skeleton 3. The arc of movement, the arc of movement of the second skeleton 2 and the third skeleton 3 is limited by the elastic member 9 and the first skeleton 1 . Thereby affecting the degree of fit between the two ends of the wiper rubber strip 10 and the windshield.

In order to enhance the fit between the wiper and the windshield, a first connecting piece 5 and a second connecting piece 8 are arranged above the two ends of the elastic piece 9, and a third connecting piece 6 is connected to the first connecting piece 5, and a second connecting piece 6 is connected to the first connecting piece 5. Connecting member 8 is connected with fourth connecting member 7, one end of third connecting member 6 is connected with elastic member 9, and the other end is movably connected with second frame 2, one end of fourth connecting member 7 is connected with elastic member 9, and the other end is connected with second frame 2. The three skeletons 3 are movably connected, and the two ends of the first skeleton 1 are movably connected to the third connecting piece 6 and the fourth connecting piece 7 respectively.

In order to enhance the smoothness of the flexible connection between the third connecting piece 6 and the fourth connecting piece 7 and the first frame 1, in

The middle part of the third connecting member 6 is provided with a third through hole 64, the first large bolt 62 is sleeved on the position of the third through hole 64, the first fixing seat 61 is sleeved on the first large bolt 62, the first The fixing base 61 is provided with a first fixing hole 612, and the first large bolt 62 is provided with a corresponding perforation, and the third bolt 63 passes through the first fixing hole 612 and the third through hole 64 to connect the third connecting member 6, the first The large bolt 62 and the first fixing seat 61 are movably connected together.

A fourth through hole 74 is formed in the middle of the fourth connecting member 7 , the second large bolt 72 is sleeved on the fourth through hole 74 , and the second fixing seat 71 is sleeved on the second large bolt 72 . The second fixing seat 71 is provided with a second fixing hole 712, and the second large bolt 72 is provided with a corresponding perforation, and the fourth bolt 73 passes through the second fixing hole 712 and the fourth through hole 74 to connect the fourth connecting member 7, The second large bolt 72 and the second fixing seat 71 are movably connected together.

In order to make the assembly of the first fixed seat 61, the second fixed seat 71 and the first frame 1 more convenient, the end of the first fixed seat 61 pointing to the first frame 1 is provided with a first positioning groove 611, which is far away from the first frame. One end of 1 is provided with a first socket groove 610, the end of the second fixing base 71 pointing to the first frame 1 is provided with a second positioning groove 711, and the end away from the first frame 1 is provided with a second socket groove 710.

The bottoms of the two ends of the first frame 1 and the first fixed seat 61 and the second fixed seat 71 are respectively provided with positioning seats 17, and the two ends of the first frame 1 are connected with the first fixed seat 61 and the second fixed seat 71. The two inner sides are provided with clamping posts 15 and accommodation holes 16 .

When the first fixing seat 61 and the second fixing seat 71 are connected to the first frame 1, the positioning seat 17 is snapped into the first positioning groove 611 and the second positioning groove 711 respectively, thereby restricting the first fixing seat 61 and the second fixing seat 71. Sliding displacement occurs with the first frame 1 , and the clamping column 15 is respectively clamped into the first clamping groove 610 and the second clamping groove 710 . Further fix the first fixing base 61 , the second fixing base 71 and the first frame 1 .

The first fixed seat 61 and the second fixed seat 71 are made of metal material, so that their structure is relatively difficult to deform, and the accuracy of the structural design is also very high, which can effectively ensure that the first large bolt 62 and the first fixed seat 61, The relative movement gap between the second large bolt 72 and the second fixing seat 71 allows smoother relative movement.

Further, in order to solve the relative smoothness of movement between the first connecting part 5 and the third connecting part 6, and between the second connecting part 8 and the fourth connecting part 7, between the first connecting part 5 and the third connecting part A first small plug part 51 is arranged between the parts 6, and the first small plug part 51 is sleeved on the first connecting part 5, and the position where the third connecting part 6 is provided with the first through hole 65 is set on the first small plug part 51. Above, the first bolt 52 passes through the first through hole 65 to connect the first connecting part 5 , the first small plug part 51 and the third connecting part 6 together, and the first connecting part 5 and the third connecting part 6 can move relatively.

A second small bolt 81 is provided between the second connecting piece 8 and the fourth connecting piece 7, and the second small bolt 81 is sleeved on the second connecting piece 8, and the fourth connecting piece 7 is provided with a second through hole 75. Partially sleeved on the second small bolt 81, the second bolt 82 passes through the second through hole 75 to connect the second connecting piece 8, the second small bolt 81, and the fourth connecting piece 7 together. The second connecting piece 8 It can move relative to the fourth connecting piece 7 .

The inside of the second skeleton 2 is provided with a first buckle 21 and a second buckle 22, the end of the third connector 6 pointing to the second skeleton 2 is provided with a first button hole 66, and the first fixing seat 61 is directed to the second skeleton One end of 2 is provided with a second clamping hole 613, the first buckle 21 is buckled with the first buckle hole 66, and the second buckle 22 is buckled with the second clamping hole 613; the second skeleton 2 can be opposite to the third connecting member 6, The first fixed seat 61 is movable.

The inner side of the third skeleton 3 is provided with a third buckle 31 and a fourth buckle 32. The end of the fourth connector 7 pointing to the third skeleton 3 is provided with a third card hole 76, and the second fixing seat 71 points to the end of the third skeleton 3. One end is provided with a fourth card hole 713, the third button 31 is connected with the third hole 76, and the fourth button 32 is connected with the fourth hole 713; Two fixed seats 71 are movable.

The first connecting part 5 and the third connecting part 6 are connected by bolts, and the second connecting part 8 and the fourth connecting part 7 are connected by bolts, so that they can be rotated relatively independently, and the first connecting part 5 and the third connecting part can be 6. The second connecting member 8 and the fourth connecting member 7 are connected to rotate freely, which minimizes the influence of the first frame 1 , the second frame 2 and the third frame 3 on the bending arc of the elastic member 9 .

In order to realize that the wiper is suitable for both the left steering wheel and the right steering wheel, a cavity 13 is provided in the middle of the first frame 1, and a connecting shaft 14 is arranged in the cavity 13. The wiper connector 4 is movably connected with the connecting shaft 14, and the wiper The connecting head 4 can be assembled on the connecting shaft 14 in forward and reverse directions, and the upper end of the first frame 1 is located at both ends of the cavity 13 to be provided with guide grooves 11 and 12 . The guide slots 11 and 12 can be respectively adapted to insert the wiper arms of the models of the left steering wheel and the right steering wheel.

To sum up, the innovative point of the wiper blade of the present invention is that by changing the connection mode of the first frame 1, the second frame 2, the third frame 3 and the elastic member 9, the design and production of the elastic member 9 is more convenient, no need to It is designed to have a radian, and the elastic member 9 is designed to be linear. The movement arc of the second frame 2 and the third frame 3 is larger, and the independent movement is better, so that the two ends of the wiper can fit the windshield better, and the fit between the wiper and the windshield is enhanced, so that the wiper It has a better scraping effect.

The above-mentioned embodiments only express the best implementation mode of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (4)

1. a kind of wiper, includes the first skeleton (1), the first skeleton (1) both ends are respectively equipped with the second skeleton (2), the 3rd bone Frame (3), the first skeleton (1), the second skeleton (2), the 3rd skeleton (3) lower section are sequentially connected elastic component (9), rain-strip adhesive-tape (10), It is characterized in that：The first connector (5), the second connector (8), the first connector (5) are provided with above elastic component (9) both ends On be connected with the 3rd connector (6), be connected with the 4th connector (7) on the second connector (8), the 3rd connector (6) one end with Elastic component (9) is connected, and the other end is connected with the second skeleton (2), and the 4th connector (7) one end is connected with elastic component (9), the other end It is connected with the 3rd skeleton (3), the first skeleton (1) both ends connect the 3rd connector (6), the 4th connector (7) respectively；

Cavity (13) is provided with the middle part of first skeleton (1), is provided with connecting shaft (14) in cavity (13), wiper connector (4) is with being connected Axle (14) connects, and the first skeleton (1) upper end is located at cavity (13) both ends and is provided with lead-in groove (11,12)；

Upper end is provided with the first big spigot (62) in the middle part of 3rd connector (6), and the first big spigot (62) is provided with the first fixed seat (61), the first fixed seat (61) is connected with the first skeleton (1), and upper end is provided with second largest spigot (72) in the middle part of the 4th connector (7), Second largest spigot (72) is provided with the second fixed seat (71), and the second fixed seat (71) is connected with the first skeleton (1)；

One end that first fixed seat (61) points to the first skeleton (1) is provided with the first locating slot (611), and the first fixed seat (61) is remote One end of first skeleton (1) is provided with the first basal groove (610)；One end that second fixed seat (71) points to the first skeleton (1) is provided with Second locating slot (711), the one end of the second fixed seat (71) away from the first skeleton (1) are provided with the second basal groove (710)；

First skeleton (1) both ends are respectively equipped with positioning seat with the first fixed seat (61), the bottom of the second fixed seat (71) connecting portion (17), the first skeleton (1) both ends and two inner sides of the first fixed seat (61), the second fixed seat (71) connecting portion are provided with card column (15), Rong Weikong (16), positioning seat (17) are respectively clamped into the first locating slot (611), the second locating slot (711), card column (15) It is respectively clamped into the first basal groove (610), the second basal groove (710).

A kind of 2. wiper according to claim 1, it is characterised in that：First connector (5) and the 3rd connector (6) the first small spigot (51) is provided between, the second small spigot (81) is provided between the second connector (8) and the 4th connector (7), First small spigot (51) lower end connects the first connector (5), and its upper end connects the 3rd connector (6), under the second small spigot (81) End the second connector of connection (8), its upper end connect the 4th connector (7).

A kind of 3. wiper according to claim 1, it is characterised in that：Rain-strip adhesive-tape (10) the upper end both sides are provided with edge Caulking groove position (101), rain-strip adhesive-tape (10) both ends, which are located in embedding groove position (101), is provided with locating piece (102), and elastic component (9) is by the One elastic component (91) forms with the second elastic component (92), and the first elastic component (91) is respectively embedded into rain brush glue with the second elastic component (92) In the embedding groove position (101) of bar (10) both sides.

A kind of 4. wiper according to claim 1, it is characterised in that：First is provided with the inside of second skeleton (2) to close (21), the second conjunction button (22) are detained, one end that the 3rd connector (6) points to the second skeleton (2) is provided with the first button hole (66), and first is solid One end that the second skeleton (2) is pointed in reservation (61) is provided with the second hole clipping (613), and first closes button (21) detains with the first button hole (66) Connect, second closes (22) second hole clipping (613) snappings of button；

The 3rd is provided with the inside of 3rd skeleton (3) and closes button (31), four-part button (32), the 4th connector (7) points to the 3rd skeleton (3) One end be provided with the 3rd hole clipping (76), one end that the second fixed seat (71) points to the 3rd skeleton (3) is provided with the 4th hole clipping (713), 3rd closes button (31) and the 3rd hole clipping (76) snapping, four-part button (32) and the 4th hole clipping (713) snapping.