CN111252036A - A wiper rod pressure adjusting device, wiper rod and vehicle - Google Patents

Abstract

The invention discloses a wiper rod pressure adjustment device, which comprises an adjustment mechanism and a pressure detection device. The adjustment mechanism includes an adjustment bracket, a swing beam, a reed assembly, a sliding connection block and an adjustment bolt. The swinging beam is provided with a swinging nut with an internal thread, the head end is hinged with the adjusting bracket, and the tail end is connected with the reed assembly; the sliding connection block is hinged with the adjusting bracket; the adjusting bolt is threadedly connected with the swinging nut, and the lower end of the adjusting bolt is connected with the sliding The connecting block is connected so that the adjusting bolt can rotate relative to the sliding connecting block around its own axis but cannot move axially relative to the sliding connecting block; the pressure detection device is used to detect the pressure of the wiper rod. When the adjusting bolt rotates around its own axis, the swinging nut drives the swinging beam to swing, thereby adjusting the elastic force exerted by the reed assembly on the wiper rod. The invention also discloses a wiper rod and a vehicle using the above-mentioned device. The pressure of the wiper rod pressure adjusting device is adjustable and convenient to use.

Description

A wiper rod pressure adjusting device, wiper rod and vehicle

technical field

The invention relates to an adjusting device, a wiper rod and a vehicle, in particular to a wiper rod pressure adjusting device, a wiper rod and a vehicle.

Background technique

As an important safety part of the car, the wiper pressure has an important influence on the quality of the wiper. When the pressure of the scraper is too large or too small, it will cause problems such as jitter, abnormal noise and dirty scraping of the scraper, which will affect the safety of use and user experience. Therefore, it is often necessary to test the pressure of the designed wiper.

In wipers, the wiper rod pressure is determined by the structural dimensions of the wiper arm, wiper rod and spring. Generally, after the assembly is completed, the pressure value has been determined and cannot be adjusted. However, when testing and testing the produced wipers, it is often necessary to check the wiper performance under different wiper bar pressures. This requires that the wiper bar pressure can change during use.

In the prior art, currently, the pressure of the scraper can only be changed by adjusting the spring of the scraper and by pressing and pulling the scraper by hand. The first method can only reduce the pressure of the scraper bar, but cannot increase the pressure of the scraper bar, and the operation is complicated and dangerous. The second method is unstable in applying force, and the pressure adjustment amount cannot be controlled.

Based on this, in order to better adjust and control the wiper rod pressure of the wiper, a wiper rod pressure adjustment device is designed. The device can not only adjust the wiper rod pressure, but also the adjusted pressure value can not be affected by the wiper movement. , The adjustment is convenient, precise and stable.

SUMMARY OF THE INVENTION

One of the objectives of the present invention is to provide a wiper rod pressure adjustment device, the wiper rod pressure adjustment device can adjust the wiper rod pressure without being affected by the wiper movement, and accurately adjust the pressure value. It is quite convenient, and also solves the problem that the pressure of the wiper rod cannot be adjusted after the wiper is installed.

In order to achieve the above object, the present invention provides a wiper rod pressure adjustment device, which includes an adjustment mechanism and a pressure detection device, wherein the adjustment mechanism includes:

Adjust the bracket;

a swinging beam, the head end of which is hinged with the adjusting bracket, and a swinging nut with an internal thread is arranged in the swinging beam;

a reed assembly, which is connected with the rear end of the swing beam;

a sliding connecting block, which is hinged with the adjusting bracket;

an adjusting bolt, which is threadedly connected 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 relative to the sliding connecting block around its own axis and cannot be relative to the sliding connecting block shaft to move;

Wherein, when the adjusting bolt rotates around its own axis, the swinging nut drives the swinging beam to swing, so as to adjust the elastic force applied by the reed assembly to the wiper rod;

The pressure detection device detects the pressure of the wiper rod.

It should be noted that, in the wiper rod pressure adjusting device in the technical solution, in order to prevent the wiper rod pressure adjusting device from being stuck when the adjusting bolt is rotated, the inventor has arranged a swing nut in the swing beam, through which The swing nut connects the swing beam and the adjustment bolt.

Further, in the wiper rod pressure adjusting device of the present invention, the reed assembly includes:

a reed connecting block, one end of which is hinged with the tail end of the swing 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 used for fixed connection with the wiper rod.

Further, in the wiper rod pressure adjusting device according to the present invention, the sliding connection block is provided with an accommodating groove, the tail end of the adjusting bolt is provided with a boss, and the boss is correspondingly provided on the into the accommodating groove, so that the adjusting bolt can rotate relative to the sliding connecting block around its own axis but cannot move axially relative to the sliding connecting block.

Further, in the wiper rod pressure adjusting device of the present invention, a hand wheel is provided on the top end of the adjusting bolt.

In the above solution, the top end of the adjustment bolt is also provided with a hand wheel, which is to more conveniently adjust the rotation of the adjustment bolt around its own axis, thereby making the pressure adjustment simpler and more convenient.

Further, in the wiper rod pressure adjustment device of the present invention, the pressure detection device includes:

A pressure sensor, which detects the pressure of the wiper lever;

The display is connected with the pressure sensor through a signal line to display the data detected by the pressure sensor.

Further, in the wiper rod pressure adjustment device of the present invention, the pressure detection device further includes a wiper adapter adapted to be adapted to the wiper rod, and the pressure sensor is mounted on the wiper adapter superior.

Further, in the wiper rod pressure adjustment device of the present invention, a clamping mechanism for fixing and clamping the wiper rod is also included.

Further, in the wiper rod pressure adjusting device of the present invention, the clamping mechanism includes:

clamping support;

paired clamping jaws, which are respectively connected to the clamping support through hinge shafts;

paired transverse locking bolts, which are respectively threadedly connected with the paired clamping jaws;

Longitudinal locking bolts are threadedly connected to the clamping support through longitudinal threaded holes on the clamping support.

Correspondingly, another object of the present invention is to provide a wiper assembly, which can stably and precisely adjust and control the pressure of the wiper rod without being affected by the movement of the wiper.

In order to achieve the above object, the present invention provides a wiper assembly, which includes a wiper rod and the above-mentioned wiper rod pressure adjusting device.

Another object of the present invention is to provide a vehicle that can control the pressure of the wiper rod stably and precisely without being affected by the movement of the wiper.

In order to achieve the above object, the present invention provides a vehicle including the above-mentioned wiper assembly.

Compared with the prior art, the wiper rod pressure adjusting device of the present invention has the following advantages and beneficial effects:

The wiper rod pressure adjusting device of the present invention can solve the problem that the wiper rod pressure cannot be adjusted after the wiper is installed. The adjusted pressure value of the wiper rod is accurate, and the force of the wiper rod is stable, not affected by the movement of the wiper rod, and is quite convenient to use.

The wiper assembly and the vehicle using the wiper rod pressure adjusting device of the present invention also have the above-mentioned advantages and beneficial effects.

Description of drawings

FIG. 1 is a schematic structural diagram of a typical wiper rod in the prior art.

FIG. 2 is a schematic structural diagram of the wiper rod pressure adjusting device according to an embodiment of the present invention.

FIG. 3 schematically shows the three-dimensional structure of the adjusting mechanism of the wiper rod pressure adjusting device according to the present invention in one embodiment.

FIG. 4 is a partial cross-sectional view showing the structure of the adjusting mechanism of the wiper rod pressure adjusting device according to the present invention in one embodiment.

FIG. 5 is a schematic structural diagram of a clamping mechanism of the wiper rod pressure adjusting device according to an embodiment of the present invention.

Detailed ways

The wiper rod pressure regulating device, wiper rod and vehicle of the present invention will be further explained and described below in conjunction with the accompanying drawings and specific embodiments of the description, but the explanation and description do not constitute the technical solution of the present invention. Improperly limited.

FIG. 1 is a schematic structural diagram of a typical wiper rod in the prior art.

As shown in FIG. 1 , a typical wiper rod includes: a wiper arm 1 , a spring 2 , and a wiper rod 3 . One end of the spring 2 is connected with the scraper arm 1 , and the other end of the spring 2 is connected with the scraper 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. When the wiper is assembled, the pressure of the wiper lever is already determined and cannot be further adjusted.

It should be noted that the scraping rod pressure F refers to the pressure of the front end of the scraping rod on the glass.

Therefore, in order to be able to adjust the pressure of the wiper rod, the technical solution provides a wiper rod pressure adjustment device.

FIG. 2 shows a schematic structural diagram of the wiper rod pressure adjusting device of the present invention in an embodiment.

As shown in FIG. 2 , with reference to FIG. 1 at the same time, in this embodiment, the wiper rod pressure adjustment device includes an adjustment mechanism 4 , a clamping mechanism 5 and a pressure detection device 6 . The adjusting mechanism 4 is used for connecting with the wiper rod 3 of the wiper. The clamping mechanism 5 is clamped on the wiper rod, and its main function is to fix and clamp the wiper rod 3, so as to transmit the elastic force generated by the reed assembly in the adjustment mechanism 4 to the wiper rod. The pressure measuring device 6 can be used to measure and display the wiper bar pressure of the wiper bar, so as to precisely and controllably adjust the wiper bar pressure. The pressure measuring device 6 includes a pressure sensor 61 and a display 62 . The pressure sensor 61 may be used to detect the pressure of the wiper lever. The display 62 is connected with the pressure sensor 61 through a signal line to display the data of the pressure sensor 61 .

It should be noted that the pressure detection device may further include a wiper adapter adapted to fit with the wiper rod, and the pressure sensor 61 for detecting the pressure of the wiper rod is installed on the wiper adapter.

FIG. 3 schematically shows the three-dimensional structure of the adjusting mechanism of the wiper rod pressure adjusting device according to the present invention in one embodiment.

FIG. 4 is a partial cross-sectional view showing the structure of the adjusting mechanism of the wiper rod pressure adjusting device according to the present invention in one embodiment.

As shown in FIGS. 3 and 4 , in this embodiment, the adjustment mechanism 4 in the wiper rod pressure adjustment device may include: an adjustment bracket 41 , a swing beam 42 , a reed assembly 43 , a sliding connection block 44 and an adjustment bolt 45. Wherein, the reed assembly 43 further includes a reed connecting block 431 and a reed 432 . A swing nut 421 is also provided in the swing beam 42 .

In the adjustment mechanism in this embodiment, the head end of the swing beam 42 is hinged with the adjustment bracket 41 , and the other end of the swing beam 42 is hinged with one end of the spring connecting block 431 in the spring assembly 43 . In the reed assembly 43, the other end of the reed connecting block 431 is fixedly connected to the reed 432, and the other end of the reed 432 is fixedly connected to the wiper rod. 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 swinging nut 421 provided in the swinging beam 42 has an inner thread, and the adjusting bolt 45 has a corresponding outer thread, so as to realize the threaded connection between the adjusting bolt 45 and the swinging nut 421 . The lower end of the adjusting bolt 45 is connected with the sliding connecting block 44 , so that the adjusting bolt 45 can only rotate relative to the sliding connecting block 44 around its own axis, but cannot move axially relative to the sliding connecting block 44 . When the control adjusting bolt 45 rotates around its own axis, the swinging nut 421 threadedly connected with it will drive the swinging beam 42 to swing, thereby adjusting the elastic force applied by the reed 432 in the reed assembly 43 to the wiper rod, thereby changing the The pressure of the wiper bar on the glass.

It should be noted that, in this embodiment, an accommodating groove is also provided in the sliding connecting block 44, and correspondingly, the tail end of the adjusting bolt 45 connected with the sliding connecting block 44 is provided with a boss 451, and the corresponding boss 451 is provided with a boss 451. In the accommodating groove, the adjusting bolt can rotate relative to the sliding connection block around its own axis but cannot move axially relative to the sliding connection block. In addition, in order to facilitate the application of a force to rotate the adjusting bolt 45, preferably a hand wheel 46 can be provided on the top end of the adjusting bolt 45 to facilitate the adjusting bolt 45 to rotate around its own axis.

For the wiper rod pressure regulating device of the present invention, the purpose of the present invention can be achieved by having a regulating mechanism and a pressure detecting device. However, in order to provide stable clamping for the scraper rod, so that the technical solution has a better implementation effect, preferably, the technical solution may also have a clamping mechanism.

FIG. 5 is a schematic structural diagram of a clamping mechanism of the wiper rod pressure adjusting device according to an embodiment of the present invention.

As shown in FIG. 5 , in this embodiment, the clamping mechanism 5 includes: a clamping support 51 , a clamping jaw 52 , a lateral locking bolt 53 and a longitudinal locking bolt 54 . The clamping jaws 52 are arranged in pairs and are respectively connected to the clamping support 51 through hinge shafts. The transverse locking bolts 53 are also arranged in pairs and are threadedly connected with the paired clamping jaws 52 . Longitudinal locking bolts 53 are also provided in pairs, which are screwed to the clamping support 51 through longitudinal threaded holes on the clamping support 51 . When in use, when the lateral locking bolt 53 is tightened, the clamping jaw 52 can move laterally and clamp the scraper rod in the lateral direction. When the longitudinal locking bolt 54 is tightened, the longitudinal locking can be achieved, and the wiper rod is clamped and locked in the longitudinal direction, so that the pressure of the reed can be applied to the wiper rod.

In summary, it can be seen that the wiper rod pressure adjusting device of the present invention applies the elastic force generated by the deformation of the reed to the wiper rod, so as to realize the adjustment of the wiper rod pressure and solve the problem of long-term installation. The problem that the pressure of the rear scraper cannot be adjusted.

The wiper pressure adjusting device of the present invention only needs to rotate the adjusting bolt to adjust the increase and decrease of the pressure of the wiper rod, which is not only convenient to use, accurate and reliable, but also very stable in applying the pressure of the wiper rod, and the adjustment of the pressure is not easy. Affected by wiper movement.

In addition, the present invention also has strong generalizability, and can meet the needs of most pressure adjustment.

The wiper rod and the vehicle using the wiper rod pressure adjusting device according to the present invention also have the above-mentioned advantages and beneficial effects.

It should be noted that the prior art part in the protection scope of the present invention is not limited to the examples given in this application document, and all prior art that does not contradict the solution of the present invention, including but not limited to the prior art Patent documents, prior publications, prior publications, etc., can all be included in the protection scope of the present invention.

In addition, the combination of the technical features in this case is not limited to the combination described in the claims of this case or the combination described in the specific embodiments, and all the technical features described in this case can be freely combined or combined in any way, unless conflict with each other.

It should also be noted that the above-listed embodiments are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and the similar changes or deformations made subsequently can be directly derived from the contents disclosed in the present invention or can be easily thought of by those skilled in the art, and all belong to the protection scope of the present invention. .

Claims (10)

1. A wiper rod pressure adjustment device, characterized in that it comprises an adjustment mechanism and a pressure detection device, wherein the adjustment mechanism comprises: Adjust the bracket; a swinging beam, the head end of which is hinged with the adjusting bracket, and a swinging nut with an internal thread is arranged in the swinging beam; a reed assembly, which is connected with the rear end of the swing beam; a sliding connecting block, which is hinged with the adjusting bracket; an adjusting bolt, which is threadedly connected 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 relative to the sliding connecting block around its own axis and cannot be relative to the sliding connecting block shaft to move; Wherein, when the adjusting bolt rotates around its own axis, the swinging nut drives the swinging beam to swing, so as to adjust the elastic force applied by the reed assembly to the wiper rod; The pressure detection device detects the pressure of the wiper rod. 2. The wiper rod pressure adjusting device according to claim 1, wherein the reed assembly comprises: a reed connecting block, one end of which is hinged with the tail end of the swing 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 used for fixed connection with the wiper rod. 3 . The wiper rod pressure adjusting device according to claim 1 , wherein the sliding connecting block is provided with an accommodating groove, the tail end of the adjusting bolt is provided with a boss, and the boss corresponds to 3 . It is arranged in the accommodating groove, so that the adjusting bolt can rotate relative to the sliding connecting block around its own axis and cannot move axially relative to the sliding connecting block. 4 . The wiper rod pressure adjusting device according to claim 1 , wherein a hand wheel is provided on the top of the adjusting bolt. 5 . 5. The wiper rod pressure adjustment device according to claim 1, wherein the pressure detection device comprises: A pressure sensor, which detects the pressure of the wiper lever; The display is connected with the pressure sensor through a signal line to display the data detected by the pressure sensor. 6 . The pressure regulating device for a wiper rod according to claim 5 , wherein the pressure detection device further comprises a wiper adapter adapted to be adapted to the wiper rod, and the pressure sensor is mounted on the wiper rod. 7 . on the wiper adapter. 7. The wiper rod pressure adjusting device according to any one of claims 1-6, characterized in that, further comprising a clamping mechanism for fixedly clamping the wiper rod. 8. The wiper rod pressure adjusting device according to claim 7, wherein the clamping mechanism comprises: clamping support; paired clamping jaws, which are respectively connected to the clamping support through hinge shafts; paired transverse locking bolts, which are respectively threadedly connected with the paired clamping jaws; Longitudinal locking bolts are threadedly connected to the clamping support through longitudinal threaded holes on the clamping support. 9. A wiper assembly, characterized in that it comprises a wiper rod and the wiper rod pressure adjusting device according to any one of claims 1-8. 10. A vehicle comprising the wiper assembly of claim 9.

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