CN114084099A

CN114084099A - Windscreen wiper

Info

Publication number: CN114084099A
Application number: CN202210045954.9A
Authority: CN
Inventors: 柴建设; 陈海锋; 王丽; 陈月柏; 张宝昌
Original assignee: Ningbo City Fresh Technology Co ltd
Current assignee: Ningbo City Fresh Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-02-25
Anticipated expiration: 2042-01-17
Also published as: CN114084099B

Abstract

The application relates to a windscreen wiper, and belongs to the technical field of automobile parts. The repairing device comprises a support, a wiper strip connected to the support and a repairing device connected to the support, wherein the repairing device comprises a sliding block connected to the support in a sliding mode and a repairing block connected to the sliding block in a rotating mode, the repairing block is provided with a repairing cavity for embedding the wiper strip, and a blade used for repairing the wiper strip is arranged in the repairing cavity. When the surface of windscreen wiper strip and windshield butt has the pothole, will repair the piece and rotate to one side that the piece is close to the windscreen wiper strip from one side that the windscreen wiper strip was kept away from to the support, cut off partial windscreen wiper strip through the blade in repairing the piece to make the side that the windscreen wiper strip is close to windshield level and smooth, the windscreen wiper strip can also continue to use under the condition of not changing, saves the resource.

Description

Windscreen wiper

Technical Field

The application relates to the technical field of automobile parts, in particular to a windscreen wiper.

Background

The wiper blade is a device for scraping raindrops and dust attached to a windshield of a vehicle, thereby improving visibility of a driver in a cab.

In the related art, the wiper generally includes a motor, a link mechanism in transmission connection with the motor, a bracket in connection with the link mechanism, and a wiper strip connected to the bracket, where the wiper strip is generally made of rubber, and when the wiper is used, the motor drives the link mechanism to move, the link mechanism drives the bracket to swing, and the bracket drives the wiper strip to move, so that the wiper strip moves on the windshield.

Because the windscreen wiper strip is made for the rubber material, if windshield adheres to when having hard objects such as stone, strike off the back with hard objects such as stone from windshield when the windscreen wiper strip, the windscreen wiper strip is easily worn and torn by hard object for the surface of windscreen wiper strip and windshield looks butt forms the pothole of indent, when the windscreen wiper strip that has the pothole moves on windshield, be difficult to strike off the impurity on the windshield is whole, impurity can leave the vestige on windshield.

In view of the above-mentioned related arts, the inventor believes that the user generally replaces the whole wiper strip after the above-mentioned situation occurs, and the wiper strip can be used at other positions except the hole, which may cause resource waste if the whole wiper strip is discarded.

Disclosure of Invention

In order to trim worn wiper strips, the present application provides a wiper blade.

The wiper adopts the following technical scheme:

the utility model provides a wiper, including the support, connect in wiper strip on the support and connect in restorer on the support, restorer including slide connect in sliding block on the support and rotate connect in restore the piece on the sliding block, it is provided with the confession to restore the chamber of wiper strip embedding, restore the piece in it is provided with and is used for restoring to restore the intracavity the blade of wiper strip.

By adopting the technical scheme, in a normal state, the trimming block is positioned on one side of the bracket far away from the wiper strip, so that the normal use of the wiper strip is not influenced by the trimming block; when the surface of windscreen wiper strip and windshield butt has the pothole, will repair the piece and rotate to one side that the piece is close to the windscreen wiper strip from one side that the windscreen wiper strip was kept away from to the support, make the windscreen wiper strip embedding and repair the intracavity, blade and windscreen wiper strip looks butt this moment, then slide the piece and slide on the support, the piece that slides drives and repairs the piece and together remove, make the blade cut off partial windscreen wiper strip, thereby make the windscreen wiper strip be close to windshield's side level and smooth, the windscreen wiper strip can also continue to use under the condition of not changing, save resources.

Optionally, the trimming block is provided with a sliding groove for sliding the blade to the wiper strip, the sliding groove is communicated with the trimming cavity, the blade is provided with a rotating shaft sliding in the sliding groove, the rotating shaft is sleeved with a nut abutting against the trimming block, and the nut is in threaded connection with the rotating shaft.

By adopting the technical scheme, the rotating shaft of the blade can slide in the sliding groove on the trimming block, so that the blade can move in the trimming cavity, and when the wiper strip needs to be trimmed, the position of the blade on the wiper strip is adjusted, so that the wiper strip is different in size when being cut by the blade; in addition, when the position of the blade in the trimming block needs to be fixed, the nut is rotated to enable the nut to be abutted against the outer side wall of the trimming block, the rotating shaft is not easy to move in the sliding groove through the abutting of the nut and the trimming block, and then the blade is not easy to move in the trimming cavity.

Optionally, the trimming block is provided with an elastic member for pushing the blade to the wiper strip all the time, the elastic member includes a thrust spring, a first moving block disposed on the trimming block, and a second moving block disposed on the blade, and both ends of the thrust spring are connected to the first moving block and the second moving block respectively.

Through adopting above-mentioned technical scheme, when the position of regulation blade, the nut is unscrewed, makes the blade remove in the dressing intracavity, and thrust spring pushes the blade to the windscreen wiper strip, and the person of facilitating the use removes the blade.

Optionally, the outer side wall of the trimming block is provided with a first moving groove for the first moving block to slide, the first moving block slides in the first moving groove, the blade is provided with a second moving groove for the second moving block to slide, and the second moving block slides in the second moving groove.

By adopting the technical scheme, the blade can rotate by taking the axis of the rotating shaft as a central shaft, so that the knife edge angle of the blade is adjustable, the first moving block drives the thrust spring to move by sliding the first moving block, and the thrust spring drives the second moving block to move on the blade, so that the positions of the thrust spring acting on the blade are different, and the angles of the knife edge of the blade in the trimming cavity are different.

Optionally, the first moving block is provided with a thrust column penetrating through the thrust spring.

By adopting the technical scheme, the thrust column penetrates through the thrust spring, when the first moving block is moved, the first moving block drives the thrust column to move, the thrust column drives the thrust spring to move, and the thrust spring drives the second moving block to move on the blade, so that the second moving block can also move along with the first moving block when the first moving block is moved.

Optionally, a frosting block is arranged on the side face, far away from the elastic piece, of the blade, and a friction groove for embedding the wiper strip is formed in the frosting block.

By adopting the technical scheme, after the wiper strip is cut by the blade, the grinding block rubs the cut side face of the wiper strip to round and smooth the corner of the side face; in addition, when the blade cuts the wiper strip, the situation of uneven cutting can occur, and the secondary trimming through the sanding block ensures that the side surface of the wiper strip close to the windshield is smoother and the trimming effect is better.

Optionally, the sanding block includes an abutting portion and two clamping portions, the two clamping portions are arranged oppositely, and the abutting portion and the two clamping portions form the friction groove.

By adopting the technical scheme, when the sanding block is used, the wiper strip is embedded into the friction groove, and when the trimming block moves on the bracket, the wiper strip moves in the friction groove, so that the abutting part and the clamping part rub the wiper strip; the cross-section of general windscreen wiper strip is trapezoidal, and when the windscreen wiper strip removed in the friction groove, butt portion and two clamping parts can rub the three side of windscreen wiper strip, made the windscreen wiper strip polish more comprehensively.

Optionally, the blade is provided with an embedded groove for embedding the sanding block, and one end of the clamping part, which is far away from the other clamping part, slides in the embedded groove.

Through adopting above-mentioned technical scheme, the embedding groove of clamping part in the blade slides, makes the size between two clamping parts can be adjusted to make the wiper strip of friction groove adaptation different width.

Optionally, the blade is provided with a contact spring in the embedded groove, one end of the contact spring is in contact with a groove wall of the embedded groove, and the other end of the contact spring is in contact with the clamping part.

Through adopting above-mentioned technical scheme, through the effect of butt spring, make two clamping parts move in opposite directions all the time, when the windscreen wiper strip is located the friction inslot, the clamping part extrusion windscreen wiper strip makes the clamping part continuously rub the windscreen wiper strip.

Optionally, the bracket is provided with a sliding groove for sliding the sliding block, and the sliding block penetrates through a screw connected with the bracket.

Through adopting above-mentioned technical scheme, when the windscreen wiper strip need not be maintained, pass through bolted connection with the sliding block with the support, make the sliding block fix on the support to the sliding block can not remove on the support when making the windscreen wiper move on windshield.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the surface of the wiper strip, which is abutted to the windshield, is provided with a pit, the trimming block is rotated from one side of the support far away from the wiper strip to one side of the trimming block close to the wiper strip, and a part of the wiper strip is trimmed off by a blade in the trimming block, so that the side surface of the wiper strip close to the windshield is flat, the wiper strip can be continuously used without being replaced, and resources are saved;

2. after the wiper strip is cut by the blade, the grinding block rubs the cut side face of the wiper strip to round and smooth the corner of the side face;

3. through the effect of butt spring, make two clamping parts move in opposite directions all the time, when the windscreen wiper strip is located the friction inslot, the clamping part extrudees the windscreen wiper strip, makes the clamping part continuously rub the windscreen wiper strip.

Drawings

Fig. 1 is a schematic view of an overall structure of a wiper blade according to an embodiment of the present application.

Fig. 2 is a schematic view of a stent in which the prosthesis according to the embodiment of the present application is not used.

Fig. 3 is a schematic view of a stent in use with a prosthesis according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a prosthetic device according to an embodiment of the present application.

Fig. 5 is a schematic structural view of a blade according to an embodiment of the present application.

Fig. 6 is a schematic structural view of another perspective of a blade according to an embodiment of the present application.

FIG. 7 is a schematic view of a blade of an embodiment of the present application in a prosthetic device.

Description of reference numerals: 1. a motor; 2. a link mechanism; 21. a driving lever; 22. a first drive lever; 23. a second transmission rod; 24. a first swing lever; 25. a second swing lever; 26. fixing the rod; 3. a support; 31. a sliding groove; 4. a wiper strip; 5. a repairing device; 51. a sliding block; 511. rotating the rod; 52. trimming a block; 53. a conditioning chamber; 54. a blade; 541. embedding a groove; 542. a first portion; 543. a second portion; 544. a second moving slot; 55. a rotating shaft; 551. a nut; 56. a chute; 57. sanding blocks; 571. an abutting portion; 572. a clamping portion; 573. a friction groove; 574. a plug end; 575. an abutment spring; 58. a first moving slot; 59. a thrust groove; 6. an elastic member; 61. a thrust spring; 62. a first moving block; 63. a second moving block; 64. a thrust column.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a windscreen wiper.

Referring to fig. 1 and 2, the wiper includes a motor 1, a link mechanism 2, a bracket 3 and a wiper strip 4, the motor 1 and the link mechanism 2 are both installed on the automobile, an output shaft of the motor 1 is in transmission connection with the link mechanism 2, so that the motor 1 drives the link mechanism 2 to move, the link mechanism 2 is connected with the bracket 3, the wiper strip 4 is connected with the bracket 3 again, so that the link mechanism 2 drives the bracket 3 to move, and the bracket 3 drives the wiper strip 4 to move, so that the wiper strip 4 scrapes impurities on the windshield.

The link mechanism 2 includes an active lever 21, a first transmission lever 22, a second transmission lever 23, a first swing lever 24 and a second swing lever 25, and the general wiper has two wiper strips 4, so that the two brackets 3 are also provided, and the two corresponding transmission levers and two corresponding swing levers are also provided. An output shaft of the motor 1 is rotatably connected with one end of the driving rod 21, so that the motor 1 drives the driving rod 21 to rotate; one end of the first transmission rod 22 and one end of the second transmission rod 23 are rotatably connected with the end part of the active rod 21 far away from the motor 1, so that the active rod 21 drives the first transmission rod 22 and the second transmission rod 23 to move when rotating; one end of the first swing rod 24 is rotatably connected with the end of the first transmission rod 22 far away from the driving rod 21, and the other end of the first swing rod is fixedly connected with one of the brackets 3, so that the first transmission rod 22 drives the first swing rod 24 to move, the first swing rod 24 drives the bracket 3 to move, similarly, one end of the second swing rod 25 is rotatably connected with the end of the second transmission rod 23 far away from the driving rod 21, and the other end of the second swing rod 25 is fixedly connected with the other bracket 3, so that the second transmission rod 23 drives the second swing rod 25 to move, and the second swing rod 25 drives the bracket 3 to move.

In order to fix the bracket 3 on the vehicle, the link mechanism 2 further includes a fixing rod 26, two ends of the fixing rod 26 are respectively rotatably connected with the first swing rod 24 and the second swing rod 25, and the fixing rod 26 is fixedly connected to the vehicle.

Referring to fig. 2 and 3, the wiper blade further includes a repairer 5 attached to the bracket 3, and when the wiper strip 4 is worn by scraping foreign substances on the windshield, the wiper strip 4 is reused by removing the worn portion of the wiper strip 4 by the repairer 5.

The repairing device 5 comprises a sliding block 51 and a trimming block 52, sliding grooves 31 are formed in a group of opposite side surfaces of the support 3, the length direction of each sliding groove 31 is the same as that of the support 3, two sliding blocks 51 are arranged, and the two sliding blocks 51 slide in the two sliding grooves 31 respectively; the sliding block 51 is rotatably provided with a rotating rod 511, and the dressing block 52 is rotatably connected with the sliding block 51 through the rotating rod 511. Normally, the trimming block 52 is located on the side of the bracket 3 away from the wiper strip 4, and when the sliding block 51 moves to the end of the sliding groove 31 away from the link mechanism 2, the trimming block 52 can rotate around the rotating rod 511, so that the trimming block 52 rotates to the side of the wiper strip 4 away from the bracket 3.

Further, a screw is inserted into the slide block 51, and the slide block 51 is pressed against the bracket 3 by the screw. When the repairing device 5 is not used, the sliding block 51 is moved to the lowest end of the sliding groove 31, then the screw is screwed to be abutted against the bracket 3, and the sliding block 51 is pressed on the bracket 3 through the screw, so that the sliding block 51 is not easy to move on the bracket 3.

Referring to fig. 3 and 4, the trimming block 52 is provided with a trimming cavity 53 for the wiper strip 4 to be embedded in, the trimming cavity 53 penetrates through two opposite outer side surfaces of the trimming block 52, and the trimming block 52 is provided with a blade 54 in the trimming cavity 53, and the blade 54 is used for cutting the wiper strip 4 to cut off a worn part of the wiper strip 4. The blade 54 is provided with a rotating shaft 55 in a penetrating manner, the two ends of the rotating shaft 55 protrude out of the blade 54 and are connected with the trimming block 52 in a sliding manner, two cavity walls of the trimming cavity 53 are provided with sliding grooves 56, the sliding grooves 56 are communicated with the outer side wall of the trimming block 52, the two ends of the rotating shaft 55 are respectively arranged in the two sliding grooves 56 in a penetrating manner, so that the rotating shaft 55 slides in the sliding grooves 56, the sliding grooves 56 are long-strip-shaped, and slide in the sliding grooves 56 through the rotating shaft 55, so that the rotating shaft 55 drives the blade 54 to be close to the wiper strip 4 or far away from the wiper strip 4.

Referring to fig. 4 and 5, in addition, both ends of the rotating shaft 55 protrude out of the outer side wall of the trimming block 52, a nut 551 is sleeved on the end of the rotating shaft 55, and the nut 551 is in threaded connection with the rotating shaft 55. When the blade 54 does not need to move, the nut 551 is rotated to make the nut 551 contact with the outer sidewall of the trimming block 52, so that the rotating shaft 55 is not easy to slide in the sliding slot 56, and the blade 54 is not easy to move on the trimming block 52.

Referring to fig. 5 and 6, the blade 54 is provided with an embedded groove 541, a frosting block 57 is disposed in the embedded groove 541, and after the blade 54 cuts the wiper strip 4, the wiper strip 4 is rubbed by the frosting block 57 to smooth the corners of the wiper strip 4. The blade 54 is divided into a first portion 542 and a second portion 543 by the rotation shaft 55, the first portion 542 has a knife edge, and the sanding block 57 is disposed on the second portion 543.

The sanding block 57 includes an abutting portion 571 and two holding portions 572, the abutting portion 571 is fitted into the fitting groove 541, the two holding portions 572 slide in the fitting groove 541, and the abutting portion 571 and the two holding portions 572 form a friction groove 573 into which the wiper strip 4 is fitted. When the wiper strip 4 is rubbed using the sanding block 57, the wiper strip 4 is fitted into the friction groove 573, and the abutting portion 571 and the two clamping portions 572 rub three sides of the wiper strip 4, so that the rubbing range of the wiper strip 4 is larger.

In order to make the holding portion 572 more closely contact the wiper strip 4, a side surface of the holding portion 572 closer to the other holding portion 572 is an inclined surface inclined toward the contact portion 571.

In order to make the two clamping parts 572 and the wiper strip 4 be jointed more firmly, one end of the clamping part 572 far away from the other clamping part 572 is an insertion end 574, the insertion end 574 is inserted into the embedded groove 541, and the insertion end 574 slides in the embedded groove 541; the blade 54 is provided with two butt springs 575 in inlaying the inslot 541, and two butt springs 575 and two clamping part 572 one-to-one, butt spring 575's one end and clamping part 572 looks butt, and the other end and the cell wall looks butt of inlaying the inslot 541 make clamping part 572 have the trend of moving towards being close to another clamping part 572 all the time through the effect of butt spring 575 to make the strip of scraping 4 embedding friction groove 573 in the back, clamping part 572 and strip of scraping 4 butt are more stable.

Referring to fig. 5 and 7, the trimming block 52 is provided with an elastic member 6, the elastic member 6 includes a thrust spring 61, a first moving block 62 and a second moving block 63, the first moving block 62 is connected to the trimming block 52 in a sliding manner, the second moving block 63 is connected to the blade 54 in a sliding manner, two ends of the thrust spring 61 are respectively abutted against the first moving block 62 and the second moving block 63, and the blade 54 always tends to move towards the wiper strip 4 under the action of the thrust spring 61.

When the wiper strip 4 is repaired by the trimming block 52, the position of the blade 54 in the trimming cavity 53 needs to be adjusted in advance, so as to adjust the depth of the blade 54 cutting the wiper strip 4; when the blade 54 is adjusted, the nut 551 is unscrewed, the blade 54 moves in a direction approaching the wiper strip 4 by the thrust spring 61, the blade 54 is embedded in the wiper strip 4, and when the blade 54 is inserted into the wiper strip 4 to a predetermined depth, the nut 551 is tightened, so that the blade 54 is not easily moved in the trimming block 52.

In addition, the outer side wall of the trimming block 52 is provided with a first moving groove 58 for the first moving block 62 to slide, and the first moving block 62 slides in the first moving groove 58; the side of the blade 54 away from the sanding block 57 is provided with a second moving groove 544 for the second moving block 63 to slide, the second moving block 63 slides in the first moving groove 58, the first moving groove 58 corresponds to the second moving groove 544, and the length direction of the second moving groove 544 is perpendicular to the axial direction of the rotating shaft 55.

In order to drive the second moving block 63 to move when the first moving block 62 slides, a thrust column 64 is fixedly connected to the side surface of the first moving block 62 close to the second moving block 63, the thrust column 64 is coaxially arranged in the thrust spring 61 in a penetrating manner, a thrust groove 59 for sliding the thrust column 64 is formed in the trimming block 52, and the thrust groove 59 is communicated with the first moving groove 58.

It should be noted that the trimming block 52 is provided with two elastic members 6, and two first moving grooves 58 are juxtaposed.

When the trimming block 52 trims the wiper blade only through the blade 54, the first moving block 62 is moved towards the direction close to the blade edge, the first moving block 62 drives the thrust post 64 to move, the thrust post 64 pushes the thrust spring 61 to move, the thrust spring 61 drives the second moving block 63 to move in the second moving groove 544, so that the second moving block 63 is located in the first portion 542, the thrust spring 61 acts on the first portion 542 through the second moving block 63, and the blade edge of the blade 54 is inclined towards the direction close to the wiper strip 4; when the trimming block 52 trims the wiper blade only through the sanding block 57, the first moving block 62 is moved in a direction away from the knife edge, the first moving block 62 drives the thrust column 64 to move, the thrust column 64 pushes the thrust spring 61 to move, the thrust spring 61 drives the second moving block 63 to move in the second moving groove 544, so that the second moving block 63 is located in the second portion 543, the thrust spring 61 acts on the second portion 543 through the second moving block 63, the second portion 543 of the blade 54 is inclined in a direction close to the wiper strip 4, and the sanding block 57 rubs the wiper strip 4.

The implementation principle of the wiper in the embodiment of the application is as follows: when the trimmer is used, the trimming block 52 rotates along the axis of the rotating rod 511, so that the trimming block 52 is positioned on one side of the wiper strip 4, which is far away from the support 3, and the blade 54 is cut into the wiper strip 4, then the sliding block 51 is moved, and the sliding block 51 drives the trimming block 52 to slide along the length direction of the support 3, so that the blade 54 cuts the wiper strip 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A wiper blade, characterized in that: including support (3), connect in wiper strip (4) on support (3) and connect in restorer (5) on support (3), restorer (5) including slide connect in sliding block (51) on support (3) and rotate connect in repair piece (52) on sliding block (51), repair piece (52) are provided with the confession wiper strip (4) embedding repair chamber (53), repair piece (52) in be provided with in repair chamber (53) and be used for repairing blade (54) of wiper strip (4).

2. The wiper blade of claim 1, wherein: the trimming block (52) is provided with a sliding groove (56) for sliding the blade (54) to the wiper strip (4), the sliding groove (56) is communicated with the trimming cavity (53), the blade (54) is provided with a rotating shaft (55) sliding in the sliding groove (56), the rotating shaft (55) is sleeved with a nut (551) abutted against the trimming block (52), and the nut (551) is in threaded connection with the rotating shaft (55).

3. The wiper blade of claim 1, wherein: the trimming block (52) is provided with an elastic part (6) which pushes the blade (54) to the wiper strip (4) all the time, the elastic part (6) comprises a thrust spring (61), a first moving block (62) arranged on the trimming block (52) and a second moving block (63) arranged on the blade (54), and two ends of the thrust spring (61) are connected with the first moving block (62) and the second moving block (63) respectively.

4. The wiper blade of claim 3, wherein: the outer side wall of the trimming block (52) is provided with a first moving groove (58) for the first moving block (62) to slide, the first moving block (62) slides in the first moving groove (58), the blade (54) is provided with a second moving groove (544) for the second moving block (63) to slide, and the second moving block (63) slides in the second moving groove (544).

5. The wiper blade of claim 3, wherein: the first moving block (62) is provided with a thrust column (64) penetrating through the thrust spring (61).

6. The wiper blade of claim 3, wherein: the side surface of the blade (54) far away from the elastic piece (6) is provided with a frosting block (57), and the frosting block (57) is provided with a friction groove (573) for the wiper strip (4) to be embedded into.

7. The wiper blade of claim 6, wherein: the sanding block (57) comprises an abutting part (571) and two clamping parts (572), the two clamping parts (572) are arranged oppositely, and the abutting part (571) and the two clamping parts (572) form the friction groove (573).

8. The wiper blade of claim 7, wherein: the blade (54) is provided with an embedded groove (541) for embedding the sanding block (57), and the two clamping parts (572) slide in the embedded groove (541).

9. The wiper blade of claim 8, wherein: the blade (54) is provided with a contact spring (575) in the embedded groove (541), one end of the contact spring (575) is contacted with the groove wall of the embedded groove (541), and the other end is contacted with the clamping part (572).

10. The wiper blade of claim 1, wherein: the support (3) is provided with a sliding groove (31) for the sliding block (51) to slide, and the sliding block (51) penetrates through a screw connected with the support (3).