CN111252036B - Windscreen wiper scraping rod pressure adjusting device, windscreen wiper scraping rod and vehicle - Google Patents
Windscreen wiper scraping rod pressure adjusting device, windscreen wiper scraping rod and vehicle Download PDFInfo
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- CN111252036B CN111252036B CN202010089796.8A CN202010089796A CN111252036B CN 111252036 B CN111252036 B CN 111252036B CN 202010089796 A CN202010089796 A CN 202010089796A CN 111252036 B CN111252036 B CN 111252036B
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- wiper
- pressure
- adjusting
- adjusting bolt
- connecting block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3411—Wiper arms; Mountings therefor with means for varying wiper-blade pressure on windshield during operation
Abstract
The invention discloses a pressure adjusting device for a wiper scraping rod, which comprises an adjusting mechanism and a pressure detecting device, wherein the adjusting mechanism comprises an adjusting bracket, a swinging cross beam, a spring assembly, a sliding connecting block and an adjusting bolt. A swing nut with internal threads is arranged in the swing cross beam, the head end of the swing cross beam is hinged with the adjusting bracket, and the tail end of the swing cross beam is connected with the spring assembly; the sliding connecting block is hinged with the adjusting bracket; the adjusting bolt is in threaded connection with the swing nut, and the lower end of the adjusting bolt is connected with the sliding connecting block, so that the adjusting bolt can rotate around the axis of the adjusting bolt relative to the sliding connecting block and cannot move axially relative to the sliding connecting block; the pressure detection device is used for detecting the pressure of the wiper rod. When the adjusting bolt rotates around the axis of the adjusting bolt, the oscillating nut drives the oscillating cross beam to oscillate, so that the elastic force applied to the wiper scraping rod by the spring assembly is adjusted. The invention also discloses a wiper scraping rod and a vehicle using the device, and the pressure adjusting device for the wiper scraping rod is adjustable in pressure and convenient to use.
Description
Technical Field
The invention relates to a regulating device, a windscreen wiper scraping rod and a vehicle, in particular to a scraping rod pressure regulating device, a windscreen wiper scraping rod and a vehicle.
Background
The wiper serves as an important safety element of a motor vehicle, and the pressure of a wiping rod of the wiper has an important influence on the quality of wiping. When the pressure of the scraping rod is larger or smaller, the problems of shaking, abnormal sound, incomplete scraping and the like of the scraping rod can be caused, so that the use safety and the user experience are influenced. Therefore, it is often necessary to check the pressure of the designed wiper.
In the wiper, the pressure of the wiper scraping rod is determined by the structural sizes of the scraping arm, the scraping rod and the spring. Typically, after assembly is complete, the pressure values are determined and cannot be adjusted. However, when inspecting and testing the produced wiper, it is often necessary to check the wiping performance of the wiper under different wiper blade pressures. This requires that the wiper blade should be capable of varying the wiper blade lever pressure during use.
In the prior art, the pressure of the scraper bar can be changed only by adjusting the scraper bar spring and pressing and pulling the scraper bar by hands. The first method can only reduce the wiper blade pressure, but cannot increase the wiper blade pressure, and is cumbersome and dangerous to operate. The second method is unstable in force application and cannot control the pressure adjustment amount.
Based on this, in order to realize the pole pressure of scraping of better regulation control windscreen wiper, design a windscreen wiper pole pressure regulating device of scraping, the device not only can adjust and scrape pole pressure, and the pressure value of its adjustment can also not receive windscreen wiper motion influence, and the adjustment is convenient, accurate, the application of force is stable.
Disclosure of Invention
One of the objectives of the present invention is to provide a pressure adjusting device for a wiper blade, which can adjust the pressure of the wiper blade without being affected by the movement of the wiper blade, precisely adjust the pressure value, and not only stably apply force and facilitate the use, but also solve the problem that the pressure of the wiper blade cannot be adjusted after the wiper blade is installed.
In order to achieve the above object, the present invention provides a pressure adjusting device for a wiper blade, comprising an adjusting mechanism and a pressure detecting device, wherein the adjusting mechanism comprises:
adjusting the bracket;
the head end of the swinging cross beam is hinged with the adjusting bracket, and a swinging nut with internal threads is arranged in the swinging cross beam;
the spring assembly is connected with the tail end of the swinging cross beam;
the sliding connecting block is hinged with the adjusting bracket;
the lower end of the adjusting bolt is connected with the sliding connecting block, so that the adjusting bolt can rotate around the axis of the adjusting bolt relative to the sliding connecting block and cannot move axially relative to the sliding connecting block;
when the adjusting bolt rotates around the axis of the adjusting bolt, the swinging nut drives the swinging cross beam to swing so as to adjust the elastic force applied to the wiper rod by the spring assembly;
wherein the pressure detection device detects the pressure of the wiper rod.
In order to prevent the wiper scraping rod pressure adjusting device from being locked when the adjusting bolt is rotated in the wiper scraping rod pressure adjusting device according to the present invention, the inventor sets a swing nut in the swing beam, and connects the swing beam and the adjusting bolt through the swing nut.
Further, in the wiper blade bar pressure adjusting apparatus of the present invention, wherein the spring assembly includes:
one end of the reed connecting block is hinged with the tail end of the swing cross beam;
and one end of the reed is fixedly connected with the other end of the reed connecting block, and the other end of the reed is fixedly connected with a wiper scraping rod.
Further, in the pressure adjusting device for the wiper scraping rod of the invention, an accommodating groove is arranged in the sliding connecting block, a boss is arranged at the tail end of the adjusting bolt, and the boss is correspondingly arranged in the accommodating groove, so that the adjusting bolt can rotate around the axis thereof relative to the sliding connecting block and cannot axially move relative to the sliding connecting block.
Further, in the pressure adjusting device for the wiper scraping rod of the invention, a hand wheel is arranged at the top end of the adjusting bolt.
In the above scheme, the top end of the adjusting bolt is also provided with a hand wheel, which is used for adjusting the rotation of the adjusting bolt around the axis of the adjusting bolt more conveniently, and further, the pressure adjustment is simpler and more convenient.
Further, in the wiper blade bar pressure adjusting device of the present invention, the pressure detecting device includes:
a pressure sensor for detecting a pressure of the wiper blade;
and the display is connected with the pressure sensor through a signal line so as to display the data detected by the pressure sensor.
Further, in the pressure adjusting device for a wiper blade of the present invention, the pressure detecting device further includes a wiper adapter adapted to the wiper blade, and the pressure sensor is mounted on the wiper adapter.
Further, the pressure adjusting device for the wiper scraping rod of the invention also comprises a clamping mechanism for fixedly clamping the wiper scraping rod.
Further, in the wiper blade bar pressure adjusting apparatus of the present invention, the clamping mechanism includes:
clamping the support;
the clamping jaws are arranged in pairs and are respectively connected to the clamping supports through hinge shafts;
the pair of transverse locking bolts are respectively in threaded connection with the pair of clamping jaws;
and the longitudinal locking bolt is in threaded connection with the clamping support through a longitudinal threaded hole in the clamping support.
Accordingly, another object of the present invention is to provide a wiper assembly capable of stably and precisely adjusting and controlling the magnitude of the pressure of a wiper rod without being affected by the movement of a wiper.
In order to achieve the above object, the present invention provides a wiper assembly, which includes a wiper blade and the pressure adjusting device for the wiper blade.
It is still another object of the present invention to provide a vehicle that can stably and precisely control the magnitude of the pressure of a wiper blade without being affected by the movement of a wiper blade.
In order to achieve the above object, the present invention provides a vehicle including the above wiper assembly.
Compared with the prior art, the pressure adjusting device for the wiper scraping rod of the invention has the following advantages and beneficial effects:
the pressure adjusting device for the wiper scraping rod can solve the problem that the pressure of the wiper scraping rod cannot be adjusted after the wiper is installed. The pressure value of the wiper rod is adjusted to be accurate, the force application of the wiper rod is stable, the wiper rod is not influenced by the movement of the wiper rod, and the wiper rod is quite convenient to use.
The wiper assembly and the vehicle using the wiper rod pressure adjusting device also have the advantages and beneficial effects.
Drawings
Fig. 1 is a schematic structural view of a typical wiper blade of the prior art.
Fig. 2 is a schematic structural diagram of a wiper blade bar pressure adjusting device according to an embodiment of the present invention.
Fig. 3 schematically shows a three-dimensional structure of an adjusting mechanism of the wiper rod pressure adjusting device of the invention under one embodiment.
Fig. 4 shows the structure of the adjusting mechanism of the wiper rod pressure adjusting device of the invention in a partial section.
Fig. 5 is a schematic structural view of a clamping mechanism of the wiper blade pressure adjusting device according to an embodiment of the invention.
Detailed Description
The wiper blade bar pressure adjusting device, the wiper blade bar and the vehicle according to the present invention will be further explained and illustrated with reference to the drawings and the specific embodiments of the present invention, which, however, should not be construed to unduly limit the technical solutions of the present invention.
Fig. 1 is a schematic structural view of a typical wiper blade of the prior art.
As shown in fig. 1, a typical wiper blade includes: a scraping arm 1, a spring 2 and a scraping rod 3. Wherein, one end of the spring 2 is connected with the scraping arm 1, and the other end of the spring 2 is connected with the scraping rod 3. The structural dimensions of the wiper arm 1, the wiper rod 3 and the spring 2 together determine the wiper rod pressure F. After the wiper is assembled, the pressure of the wiping rod is determined and cannot be further adjusted.
The wiper blade pressure F is a pressure of the front end of the wiper blade against the glass.
Therefore, in order to adjust the pressure of the wiper scraping rod, the wiper scraping rod pressure adjusting device is arranged in the technical scheme.
Fig. 2 shows a schematic structural diagram of a wiper rod pressure adjusting device according to an embodiment of the invention.
As shown in fig. 2, while reference may be made in combination to fig. 1, in this embodiment, the wiper blade bar pressure adjusting device includes: an adjusting mechanism 4, a clamping mechanism 5 and a pressure detecting device 6. Wherein the adjusting mechanism 4 is used for connecting with the wiping rod 3 of the wiper. The clamping mechanism 5 is clamped on the wiper scraping rod and mainly used for fixedly clamping the wiper scraping rod 3, so that the elastic force generated by the spring piece assembly in the adjusting mechanism 4 is transmitted to the wiper scraping rod. The pressure measuring device 6 can be used for measuring and displaying the pressure of the wiping rod of the wiper wiping rod, so that the pressure of the wiping rod can be accurately and controllably adjusted. Wherein the pressure measuring device 6 comprises a pressure sensor 61 and a display 62. The pressure sensor 61 may be used to detect the pressure of the wiper blade. The display 62 is connected to the pressure sensor 61 via a signal line to display data from the pressure sensor 61.
It should be noted that the pressure detecting device may further include a wiper adapter adapted to fit the wiper blade, and the pressure sensor 61 for detecting the pressure of the wiper blade is mounted on the wiper adapter.
Fig. 3 schematically shows a three-dimensional structure of an adjusting mechanism of the wiper rod pressure adjusting device of the invention under one embodiment.
Fig. 4 shows the structure of the adjusting mechanism of the wiper rod pressure adjusting device of the invention in a partial section.
As shown in fig. 3 and 4, in this embodiment, the adjusting mechanism 4 in the wiper blade bar pressure adjusting apparatus may include: an adjusting bracket 41, a swinging cross beam 42, a spring assembly 43, a sliding connecting block 44 and an adjusting bolt 45. Wherein, the spring assembly 43 further comprises a spring connecting block 431 and a spring 432. A swing nut 421 is also provided in the swing beam 42.
In the adjusting mechanism of this embodiment, the head end of the swing beam 42 is hinged to the adjusting bracket 41, and the other end of the swing beam 42 is hinged to one end of the reed connecting block 431 of the reed assembly 43. In the spring assembly 43, the other end of the spring attachment block 431 is fixedly attached with a spring 432, and the other end of the spring 432 is fixedly attached with the wiper blade. The sliding connecting block 44 is also hinged with the adjusting bracket 41, and the lower end of the adjusting bolt 45 is connected with the sliding connecting block 44. The swing nut 421 provided in the swing beam 42 has an internal thread, and the adjusting bolt 45 has an external thread corresponding to the internal thread, so that the adjusting bolt 45 and the swing nut 421 are screwed together. The lower end of the adjusting bolt 45 is connected to the sliding connection block 44 such that the adjusting bolt 45 can only rotate about its axis relative to the sliding connection block 44 without being able to move axially relative to the sliding connection block 44. When the control adjusting bolt 45 rotates around its own axis, the swing nut 421 screwed with it will drive the swing cross beam 42 to swing, so as to adjust the elastic force applied to the wiper blade by the spring leaves 432 of the spring assembly 43, thereby changing the pressure of the wiper blade on the glass.
It should be noted that in this embodiment, an accommodating groove is further provided in the sliding connection block 44, and correspondingly, a boss 451 is provided at the tail end of the adjusting bolt 45 connected to the sliding connection block 44, and the boss 451 is correspondingly provided in the accommodating groove, so that the adjusting bolt can rotate around its own axis relative to the sliding connection block and cannot move axially relative to the sliding connection block. In addition, in order to facilitate the application of a force to the adjustment bolt 45 for rotating it, it is preferable to further provide a hand wheel 46 at the top end of the adjustment bolt 45 for facilitating the adjustment of the adjustment bolt 45 in rotation about its own axis.
The pressure adjusting device for the wiper rod of the wiper can achieve the aim of the invention by being provided with the adjusting mechanism and the pressure detecting device. However, in order to provide a stable clamping of the scraper bar, so that the present solution has a better implementation effect, the present solution may preferably further have a clamping mechanism.
Fig. 5 is a schematic structural diagram of a clamping mechanism of the wiper blade bar pressure adjusting device according to an embodiment of the invention.
As shown in fig. 5, in this embodiment, the gripping mechanism 5 includes: a clamping abutment 51, a clamping jaw 52, a transverse locking bolt 53 and a longitudinal locking bolt 54. In which the clamping jaws 52 are arranged in pairs, each connected to a clamping seat 51 by means of an articulated shaft. The transverse locking bolts 53 are also provided in pairs, screwed to the jaws 52 provided in pairs. Longitudinal locking bolts 53 are also provided in pairs, which are screwed to the clamping abutments 51 via longitudinal threaded bores in the clamping abutments 51. In use, when the transverse locking bolt 53 is tightened, the jaw 52 is moved transversely, clamping the bar in the transverse direction. When the longitudinal locking bolt 54 is tightened, longitudinal locking is achieved, clamping and locking the wiper rod in the longitudinal direction, so that the pressure of the spring leaf can be applied to the wiper rod.
In conclusion, the pressure adjusting device for the wiper scraping rod of the invention realizes the adjustment of the pressure of the scraping rod by applying the elastic force generated by the deformation of the reed to the wiper scraping rod, thereby solving the problem that the pressure of the scraping rod cannot be adjusted after the installation is finished for a long time.
The windscreen wiper pressure adjusting device can adjust the increase and decrease of the pressure of the wiping rod only by rotating the adjusting bolt, is convenient to use, accurate and reliable, ensures that the force application of the pressure of the wiping rod is very stable, and is not influenced by the movement of the windscreen wiper.
In addition, the invention has stronger generalizability and can meet the requirements of most pressure adjustment.
The wiper scraping rod and the vehicle using the wiper scraping rod pressure adjusting device also have the advantages and beneficial effects.
It should be noted that the prior art in the protection scope of the present invention is not limited to the examples given in the present application, and all the prior art which is not inconsistent with the technical scheme of the present invention, including but not limited to the prior patent documents, the prior publications and the like, can be included in the protection scope of the present invention.
In addition, the combination of the features in the present application is not limited to the combination described in the claims of the present application or the combination described in the embodiments, and all the features described in the present application may be freely combined or combined in any manner unless contradictory to each other.
It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is apparent that the present invention is not limited to the above embodiments and similar changes or modifications can be easily made by those skilled in the art from the disclosure of the present invention and shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides a windscreen wiper scraping rod pressure adjustment device which characterized in that, includes adjustment mechanism and pressure measurement, wherein adjustment mechanism includes:
adjusting the bracket;
the head end of the swinging cross beam is hinged with the adjusting bracket, and a swinging nut with internal threads is arranged in the swinging cross beam;
the spring assembly is connected with the tail end of the swinging cross beam; the reed assembly includes: one end of the reed connecting block is hinged with the tail end of the swing cross beam; one end of the reed is fixedly connected with the other end of the reed connecting block, and the other end of the reed is fixedly connected with a wiper scraping rod;
the sliding connecting block is hinged with the adjusting bracket;
the lower end of the adjusting bolt is connected with the sliding connecting block, so that the adjusting bolt can rotate around the axis of the adjusting bolt relative to the sliding connecting block and cannot move axially relative to the sliding connecting block;
a fixture for fixing centre gripping is carried out windscreen wiper scraping rod, it includes: clamping the support; the clamping jaws are arranged in pairs and are respectively connected to the clamping supports through hinge shafts; the pair of transverse locking bolts are respectively in threaded connection with the pair of clamping jaws; the longitudinal locking bolt is in threaded connection with the clamping support through a longitudinal threaded hole in the clamping support;
when the adjusting bolt rotates around the axis of the adjusting bolt, the swinging nut drives the swinging cross beam to swing so as to adjust the elastic force applied to the wiper rod by the spring assembly;
wherein the pressure detection device detects the pressure of the wiper rod.
2. The wiper blade bar pressure regulator of claim 1 wherein said sliding link block defines a receiving groove therein and said adjusting bolt defines a boss at a trailing end thereof, said boss being correspondingly disposed within said receiving groove such that said adjusting bolt is capable of rotating about its own axis relative to said sliding link block and is incapable of moving axially relative to said sliding link block.
3. The wiper blade bar pressure regulator of claim 1 wherein said adjusting bolt is provided with a hand wheel at the top end thereof.
4. The wiper blade bar pressure regulator of claim 1, wherein said pressure detection means comprises:
a pressure sensor for detecting a pressure of the wiper blade;
and the display is connected with the pressure sensor through a signal line so as to display the data detected by the pressure sensor.
5. The wiper blade bar pressure regulator of claim 4, wherein said pressure sensing device further comprises a wiper adapter for mating with a wiper blade bar, said pressure sensor being mounted on said wiper adapter.
6. Wiper assembly, characterized in that it comprises a wiper blade and a wiper blade pressure regulating device according to any one of claims 1 to 5.
7. A vehicle comprising the wiper assembly of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010089796.8A CN111252036B (en) | 2020-02-13 | 2020-02-13 | Windscreen wiper scraping rod pressure adjusting device, windscreen wiper scraping rod and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010089796.8A CN111252036B (en) | 2020-02-13 | 2020-02-13 | Windscreen wiper scraping rod pressure adjusting device, windscreen wiper scraping rod and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111252036A CN111252036A (en) | 2020-06-09 |
| CN111252036B true CN111252036B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010089796.8A Active CN111252036B (en) | 2020-02-13 | 2020-02-13 | Windscreen wiper scraping rod pressure adjusting device, windscreen wiper scraping rod and vehicle |
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| CN (1) | CN111252036B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820001B (en) * | 2021-10-12 | 2023-07-18 | 上海工程技术大学 | Experimental device for be used for testing windscreen wiper and wind window friction vibration noise |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4161798A (en) * | 1977-04-01 | 1979-07-24 | The Anderson Company | Finer adjustment windshield arm mounting head |
| CN105083225A (en) * | 2014-05-23 | 2015-11-25 | 罗斯蒙特航天公司 | Mechanism for dynamically varying blade load over a windshield wiper sweep cycle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10051570A1 (en) * | 2000-10-18 | 2002-04-25 | Bosch Gmbh Robert | Windscreen wiper has tensioning spring mounted on arm, pressure of blade on screen being adjusted using eccentric bolt on which hook is mounted which fits into end of spring |
| KR20130026227A (en) * | 2011-09-05 | 2013-03-13 | 주식회사 캐프 | A wiper device comprising function for adjusting pushing pressure |
| CN106679960A (en) * | 2017-01-12 | 2017-05-17 | 浙江科朗汽车配件有限公司 | Pressure adapting device of wiper testing device and control method thereof |
| CN207059985U (en) * | 2017-07-05 | 2018-03-02 | 慈溪市龙山汽配有限公司 | A kind of wiper arm of pressure adjustable |
| CN107839654A (en) * | 2017-12-17 | 2018-03-27 | 成都育芽科技有限公司 | A kind of autonomous driving vehicle rain brush |
-
2020
- 2020-02-13 CN CN202010089796.8A patent/CN111252036B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4161798A (en) * | 1977-04-01 | 1979-07-24 | The Anderson Company | Finer adjustment windshield arm mounting head |
| CN105083225A (en) * | 2014-05-23 | 2015-11-25 | 罗斯蒙特航天公司 | Mechanism for dynamically varying blade load over a windshield wiper sweep cycle |
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| Publication number | Publication date |
|---|---|
| CN111252036A (en) | 2020-06-09 |
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