CN109927677B - Automobile window wiper - Google Patents
Automobile window wiper Download PDFInfo
- Publication number
- CN109927677B CN109927677B CN201910130285.3A CN201910130285A CN109927677B CN 109927677 B CN109927677 B CN 109927677B CN 201910130285 A CN201910130285 A CN 201910130285A CN 109927677 B CN109927677 B CN 109927677B
- Authority
- CN
- China
- Prior art keywords
- wiper blade
- scraping
- wiper
- blade
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007790 scraping Methods 0.000 claims abstract description 43
- 239000002390 adhesive tape Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Window Of Vehicle (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses an automobile window wiper which comprises a wiper blade assembly and a wiper arm, wherein the wiper blade assembly comprises a wiper blade adhesive tape, a wiper blade spring and a wiper blade mounting seat; the scraping arm is internally provided with a scraping blade installation part, and left and right clamping pins protruding outwards are respectively arranged on the side surfaces of the scraping blade installation seat on the two sides of the central axis direction of the scraping blade adhesive tape; the scraping blade mounting part in the scraping arm is composed of left and right elastic scraping blade mounting plates symmetrically arranged along the central axis of the scraping arm; the left and right wiper blade elastic mounting plates have the same structure and comprise left and right guiding-in and guiding-out grooves arranged on the surfaces of the left and right wiper blade elastic mounting plates facing the central axis of the wiper arm and left and right conical positioning holes vertically penetrating the left and right wiper blade elastic mounting plates. The deformation positions of the left and right scraping blade elastic mounting plates and the matching surfaces of the left and right conical positioning holes are not in the same position, so that the dismounting force can be kept stable after the plurality of times of dismounting, the service life is prolonged, and the scraping blade and the scraping arm are ensured to be matched stably.
Description
Technical Field
The invention relates to the technical field of automobile window wipers, in particular to an automobile window wiper.
Background
At present, an automobile window wiper generally comprises a wiper arm and a wiper blade, and a general metal clamping pin and a plastic clamping seat are clamped between the wiper arm and the wiper blade. The metal bayonet lock in current car window wiper is installed on scraping the arm or doctor-bar, and when its and setting up the card hole joint on the plastics cassette on doctor-bar or scraping the arm, the deformation part deformation of card hole both sides on the plastics cassette all is along plastics cassette radial, and its assembly inserts the deformation position and is in the same position with metal bayonet lock working mating surface, and after a long time or through a lot of grafting, its dismouting power can appear unstable phenomenon, and the doctor-bar is separated with scraping the arm easily.
Disclosure of Invention
The invention aims to solve the technical problems of the existing automobile window wiper and provides a wiper which is simple to assemble and long in service life.
The technical problems to be solved by the invention can be realized by the following technical scheme:
the wiper blade assembly comprises a wiper blade rubber strip, a wiper blade spring and a wiper blade mounting seat, wherein the wiper blade rubber strip is mounted on the wiper blade seat through the wiper blade spring; the scraping arm is internally provided with a scraping blade installation part, and is characterized in that the side surfaces of the scraping blade installation seat, which are positioned on the two sides of the central axis direction of the scraping blade adhesive tape, are respectively provided with a left bayonet lock and a right bayonet lock which protrude outwards, and the tail ends of the left bayonet lock and the right bayonet lock are respectively provided with a left conical positioning part and a right conical positioning part; the scraping blade mounting part in the scraping arm is composed of left and right elastic scraping blade mounting pieces symmetrically arranged along the central axis of the scraping arm; the left and right wiper blade elastic mounting plates have the same structure and comprise a left and a right guiding-in and guiding-out grooves arranged on the surfaces of the left and right wiper blade elastic mounting plates facing the central axis of the wiper arm and a left and a right conical positioning holes vertically penetrating the left and right wiper blade elastic mounting plates; during installation, the left bayonet lock and the right bayonet lock are clamped between the left guiding groove and the right guiding groove of the left scraping blade elastic mounting piece and the right guiding groove, at the moment, the left scraping blade elastic mounting piece and the right scraping blade elastic mounting piece deform to the side far away from the central axis of the scraping arm, the scraping blade is continuously pushed towards the direction of the scraping arm until the left conical positioning part and the right conical positioning part of the left bayonet lock and the right bayonet lock are clamped into the left conical positioning hole and the right conical positioning hole, and the left scraping blade elastic mounting piece and the right scraping blade elastic mounting piece rebound to be in contact with the side surfaces of the scraping blade mounting seat, which are positioned on two sides of the central axis direction of the scraping blade adhesive tape.
In a preferred embodiment of the present invention, the bottoms of the left and right lead-in and lead-out grooves are provided with left and right lead-in slopes inclined outward toward the end of the wiper blade assembly so that the left and right bayonet locks are engaged between the left and right lead-in and lead-out grooves of the left and right wiper blade elastic mounting pieces.
In a preferred embodiment of the present invention, the groove edges of the left and right lead-in and lead-out grooves are inclined outward so that the left and right tapered positioning portions of the left and right bayonet locks into the left and right tapered positioning holes.
In a preferred embodiment of the invention, the distance between the surfaces of the left and right wiper blade elastic mounting pieces facing the central axis of the wiper arm is slightly larger than the distance between the side surfaces of the wiper blade mounting seat located on two sides of the central axis direction of the wiper blade adhesive tape.
Due to the adoption of the technical scheme, the deformation positions of the left and right scraping blade elastic mounting pieces and the matching surfaces of the left and right conical positioning holes are not in the same position, so that the dismounting force can be kept stable after the plurality of times of dismounting, the service life is prolonged, and the stable matching of the scraping blade and the scraping arm is ensured. Meanwhile, the invention has the advantages of simple structure and simple assembly.
Drawings
Fig. 1 is a schematic view of the structure of the wiper blade of the present invention.
Fig. 2 is a front view of the wiper blade of the present invention.
Fig. 3 is a top view of the wiper blade of the present invention.
Fig. 4 is a D-D cross-sectional view of fig. 2.
Fig. 5 is a schematic structural view of a wiper arm according to the present invention.
Fig. 6 is an enlarged schematic view at a of fig. 5.
Fig. 7 is a bottom view of the wiper arm of the present invention.
Fig. 8 is a B-B cross-sectional view of fig. 7.
Fig. 9 is a C-C cross-sectional view of fig. 7.
Fig. 10 is a schematic view showing the assembly between the wiper blade and the wiper arm according to the present invention.
Fig. 11 is a sectional view of E-E of fig. 10.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
Referring to fig. 1 to 11, an automotive window wiper shown therein includes a wiper blade assembly 100 and a wiper arm 200.
Referring particularly to fig. 1-4, the wiper blade assembly 100 includes a wiper blade adhesive strip 110, a wiper blade spring 120, and a wiper blade mount 130, with the wiper blade adhesive strip 120 being mounted on the wiper blade mount 130 by the wiper blade spring 120.
Left and right bayonet locks 133 and 134 protruding outwards are respectively arranged on side surfaces 131 and 132 of the wiper blade mounting seat 130, which are positioned on two sides of the central axis 111 of the wiper blade adhesive tape 110, and left and right conical positioning parts 135 and 136 are respectively arranged at the tail ends of the left and right bayonet locks 133 and 134.
Referring particularly to fig. 5 to 9, a blade mounting portion 300 is provided in the wiper arm 200. The blade mounting portion 300 in the wiper arm 200 is composed of left and right blade elastic mounting pieces 310, 320 symmetrically provided along the center axis 210 of the wiper arm 200.
The left and right blade elastic mounting pieces 310, 320 have the same structure, and each includes a left and right lead-in and lead-out grooves 312, 322 provided on the surfaces 311, 321 of the left and right blade elastic mounting pieces 310, 320 facing the center axis 210 of the wiper arm 200, and left and right tapered positioning holes 313, 323 penetrating the left and right blade elastic mounting pieces 310, 320 vertically.
The groove bottom 312a of the left lead-in and lead-out groove 312 is provided with an outwardly inclined left lead-in slope 312aa at the end facing the wiper blade assembly 100, and both groove sides 312b, 312c of the left lead-in and lead-out groove 312 are inclined outwardly, and one ends of both groove sides 312b, 312c are tangentially intersected with the left and right tapered positioning holes 313.
The end of the groove bottom 322a of the right lead-in and lead-out groove 322 facing the wiper blade assembly 100 is provided with an outwardly inclined right lead-in slope 322aa, and both groove sides 322b, 322c of the right lead-in and lead-out groove 322 are outwardly inclined, and one ends of both groove sides 322b, 322c are tangentially intersected with the right tapered positioning hole 323.
The distance between the surfaces 311, 321 of the left and right blade elastic mounting pieces 310, 320 facing the central axis 210 of the wiper arm 200 is slightly larger than the distance between the side surfaces 131, 132 of the blade mount 130 located on both sides of the central axis 111 of the blade rubber strip 110 in the direction.
Referring particularly to fig. 10 and 11, in the process of engaging the left and right bayonet pins 133, 134 along the left and right insertion slopes 312aa, 322aa between the left and right insertion and extraction grooves 312, 322 of the left and right blade elastic mounting pieces 310, 320, the left and right tapered positioning portions 135, 136 of the left and right bayonet pins 133, 134 press the left and right blade elastic mounting pieces 310, 320 to deform toward a side away from the center axis 210 of the wiper arm 200 until the wiper blade assembly 100 is pushed further toward the wiper arm 200 until the left and right tapered positioning portions 135, 136 of the left and right bayonet pins 133, 134 are engaged in the left and right tapered positioning holes 313, 323, and then the left and right blade elastic mounting pieces 310, 320 spring back toward a side closer to the center axis 210 of the wiper arm 200 to contact the side surfaces 131, 132 of the wiper blade mounting portion 130.
Claims (1)
1. The wiper blade assembly comprises a wiper blade rubber strip, a wiper blade spring and a wiper blade mounting seat, wherein the wiper blade rubber strip is mounted on the wiper blade seat through the wiper blade spring; the scraping arm is internally provided with a scraping blade installation part, and is characterized in that the side surfaces of the scraping blade installation seat, which are positioned on the two sides of the central axis direction of the scraping blade adhesive tape, are respectively provided with a left bayonet lock and a right bayonet lock which protrude outwards, and the tail ends of the left bayonet lock and the right bayonet lock are respectively provided with a left conical positioning part and a right conical positioning part; the scraping blade mounting part in the scraping arm is composed of left and right elastic scraping blade mounting pieces symmetrically arranged along the central axis of the scraping arm; the left and right wiper blade elastic mounting plates have the same structure and comprise a left and a right guiding-in and guiding-out grooves arranged on the surfaces of the left and right wiper blade elastic mounting plates facing the central axis of the wiper arm and a left and a right conical positioning holes vertically penetrating the left and right wiper blade elastic mounting plates; when the scraper is mounted, the left clamping pin and the right clamping pin are clamped between the left guiding-in and guiding-out grooves of the left scraper elastic mounting plate and the right scraper elastic mounting plate, at the moment, the left scraper elastic mounting plate and the right scraper elastic mounting plate deform to the side far away from the central axis of the scraper arm, and the scraper is continuously pushed towards the direction of the scraper arm until the left conical positioning parts and the right conical positioning parts of the left clamping pin and the right clamping pin are clamped into the left conical positioning holes and the right conical positioning holes, and the left scraper elastic mounting plate and the right scraper elastic mounting plate rebound to be contacted with the side surfaces of the scraper mounting seat, which are positioned at the two sides of the central axis direction of the scraper rubber strip;
the bottoms of the left and right guiding-in and guiding-out grooves are provided with left and right guiding-in inclined planes which incline outwards towards the end of the wiper blade assembly, so that the left and right clamping pins are clamped between the left and right guiding-in and guiding-out grooves of the left and right wiper blade elastic mounting plates;
the groove edges of the left and right leading-in and leading-out grooves are inclined outwards so that the left and right conical positioning parts of the left and right clamping pins are clamped into the left and right conical positioning holes;
the distance between the surfaces of the left and right wiper blade elastic mounting pieces facing the central axis of the wiper arm is slightly larger than the distance between the side surfaces of the wiper blade mounting seat, which are positioned on the two sides of the central axis direction of the wiper blade adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130285.3A CN109927677B (en) | 2019-02-21 | 2019-02-21 | Automobile window wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130285.3A CN109927677B (en) | 2019-02-21 | 2019-02-21 | Automobile window wiper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109927677A CN109927677A (en) | 2019-06-25 |
| CN109927677B true CN109927677B (en) | 2024-03-19 |
Family
ID=66985786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910130285.3A Active CN109927677B (en) | 2019-02-21 | 2019-02-21 | Automobile window wiper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109927677B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2673152A1 (en) * | 1991-02-22 | 1992-08-28 | Daimler Benz Ag | ARTICULATION OF A WIPER BLADE CALIPER TO A WIPER ARM OF A WIPER SYSTEM. |
| DE69306217D1 (en) * | 1992-10-02 | 1997-01-09 | Journee Paul Sa | Windshield wipers, especially for a windshield of a car headlight |
| US6718594B1 (en) * | 1999-07-30 | 2004-04-13 | Robert Bosch Gmbh | Wiping device for the glass surfaces of motor vehicles, comprising a wiping arm that can be moved between reversible positions and that is loaded towards the glass surface |
| CN201659960U (en) * | 2010-04-02 | 2010-12-01 | 宁波鑫海爱多汽车雨刷制造有限公司 | Frameless wiper blade |
| CN209870339U (en) * | 2019-02-21 | 2019-12-31 | 安徽胜华波汽车电器有限公司 | Wiper simple to assemble |
-
2019
- 2019-02-21 CN CN201910130285.3A patent/CN109927677B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2673152A1 (en) * | 1991-02-22 | 1992-08-28 | Daimler Benz Ag | ARTICULATION OF A WIPER BLADE CALIPER TO A WIPER ARM OF A WIPER SYSTEM. |
| DE69306217D1 (en) * | 1992-10-02 | 1997-01-09 | Journee Paul Sa | Windshield wipers, especially for a windshield of a car headlight |
| US6718594B1 (en) * | 1999-07-30 | 2004-04-13 | Robert Bosch Gmbh | Wiping device for the glass surfaces of motor vehicles, comprising a wiping arm that can be moved between reversible positions and that is loaded towards the glass surface |
| CN201659960U (en) * | 2010-04-02 | 2010-12-01 | 宁波鑫海爱多汽车雨刷制造有限公司 | Frameless wiper blade |
| CN209870339U (en) * | 2019-02-21 | 2019-12-31 | 安徽胜华波汽车电器有限公司 | Wiper simple to assemble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109927677A (en) | 2019-06-25 |
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