CN211893151U - Connecting assembly of scraping arm, scraping arm device and automobile - Google Patents

Abstract

The utility model provides a scrape coupling assembling of arm, this coupling assembling includes the roller, the elastic component, regulating part and casing, the casing has and holds the chamber, the roller holding is in holding the chamber, the roller is used for connecting and scrapes the strip, elastic component and regulating part set up relatively, the roller is located between elastic component and the regulating part and is supported with the elastic component, regulating part and casing movably connected, elastic component and casing fixed connection, when scraping the arm and being in user state, the outer peripheral face of roller and the interior wall connection of casing, so that the relative casing circumference of roller is fixed, when scraping the arm and being in the mounted state, the relative casing of regulating part removes, and promote the roller and remove, make the roller have the circumference degree of freedom. The roller is pushed by the adjusting piece, so that the roller breaks away from the circumferential limitation of the shell, the circumferential degree of freedom is obtained, the scraping strip can rotate around the center of the roller, the included angle between the scraping strip and the windshield is changed, the scraping strip is more attached to the windshield, and the roller type wind power scraping device has better adaptability and can adapt to the windshields with different curvatures.

Description

Connecting assembly of scraping arm, scraping arm device and automobile

Technical Field

The utility model belongs to the field of machinery, especially, relate to a scrape coupling assembling of arm, have this coupling assembling scrape arm device and car

Background

The degree of cleanliness of the windshield of an automobile directly affects driving safety, and therefore the windshield needs to be kept clean and transparent. As an important part of an automobile, a wiper is generally installed on a windshield, and dust, rainwater, and other foreign matter obstructing a view of the windshield are removed by swinging a wiper strip.

The wiper strip of a conventional wiper is generally fixedly connected by a non-adjustable clamping structure. However, since there are many types of automobiles on the market, the curvature of windshields of automobiles of different types differs, for example, the curvature of windshields of sports cars is small, and the curvature of windshields of SUVs (sports utility vehicles) is large. Or the curvatures of the same windshield before and after film sticking are changed. The traditional windscreen wiper has weak adaptability, and the same windscreen wiper is difficult to be simultaneously applied to automobiles with various curvatures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scrape coupling assembling of arm can solve above-mentioned problem.

For realizing the purpose of the utility model, the utility model provides a following technical scheme:

in a first aspect, the present invention provides a connecting assembly for a wiper arm, the connecting assembly comprising a roller, an elastic member, an adjusting member and a housing, the housing having a cavity, the roller being accommodated in the cavity, the roller being used for connecting a wiper strip, the elastic member and the adjusting member being disposed opposite to each other, the roller being disposed between the elastic member and the adjusting member and abutting against the elastic member, the adjusting member being movably connected to the housing, the elastic member being fixedly connected to the housing, when the wiper arm is in a use state, an outer circumferential surface of the roller being connected to an inner wall of the housing, so that the roller is circumferentially fixed with respect to the housing, when the wiper arm is in an installation state, the adjusting member moving with respect to the housing and pushing the roller to move, so that the roller is separated from the inner wall of the housing and moves toward a direction of the elastic member, such that the roller has a circumferential degree of freedom.

In one embodiment, the cross section of the roller is a convex polygon, the inner wall of the housing is provided with a plurality of protrusions, and the shape of the end surfaces of the plurality of protrusions corresponds to the shape of the cross section of the ball.

In one embodiment, the adjusting member includes a first end portion, a connecting portion and a second end portion connected in sequence, the first end portion is disposed in the housing, the second end portion is disposed outside the housing, the connecting portion is slidably connected to the housing, and the first end portion is used for pushing the roller.

In one embodiment, a surface of the first end portion facing away from the connecting portion is a curved surface, and the first end portion is in point contact with the roller.

In one embodiment, the first end portion includes a first end surface, the connecting portion includes a second end surface, the first end surface and the second end surface are connected, and a size of the first end surface is larger than a size of the second end surface, and the first end surface is used for limiting the first end portion to be separated from the housing.

In one embodiment, the housing is provided with a through groove, the through groove is formed in one side, facing away from the adjusting piece, of the housing, the roller is provided with a scraping strip groove, and the scraping strip extends into the housing through the through groove and is connected with the scraping strip groove in a matched mode.

In one embodiment, a baffle is disposed at an edge of the through groove, the elastic member is fixed to the baffle, and two ends of the elastic member opposite to each other in the axial direction respectively abut against the roller and the housing.

In one embodiment, the number of the elastic members is multiple, and the multiple elastic members surround the through groove.

In a second aspect, the present invention further provides a wiper arm device, which includes the connecting assembly and the wiper strip according to any one of the embodiments of the first aspect, wherein the connecting assembly is connected to the wiper strip.

In a third aspect, the present invention further provides a vehicle, wherein the vehicle comprises a wiper arm device as described in the second aspect.

The roller is pushed by the adjusting piece, so that the roller breaks away from the circumferential limitation of the shell, the circumferential degree of freedom is obtained, the scraping strip can rotate around the center of the roller, the included angle between the scraping strip and the windshield is changed, the scraping strip is more attached to the windshield, and the roller type wind power scraping device has better adaptability and can adapt to the windshields with different curvatures.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a connecting assembly of a wiper arm according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

The utility model provides a scrape coupling assembling of arm, please refer to fig. 1, this coupling assembling be used for with scrape the strip and be connected, can be applied to the windscreen wiper of car, especially boneless windscreen wiper, generally locate the front and back windshield of car. The connecting assembly includes a roller 10, an elastic member 20, an adjusting member 30, and a housing 40. The housing 40 has a cavity 401, the roller 10 is accommodated in the cavity 401, the roller 10 is used for connecting the bar, and the elastic member 20 and the adjusting member 30 are oppositely arranged. The roller 10 is disposed between the elastic member 20 and the adjusting member 30 and abuts against the elastic member 20. The adjusting member 30 is movably connected with the housing 40, and the elastic member 20 is fixedly connected with the housing 40. When the scraper arm is in a use state, the outer circumferential surface 101 of the roller 10 is connected with the inner wall 41 of the shell 40, so that the roller 10 is fixed in the circumferential direction relative to the shell 40, and when the scraper arm is in an installation state, the adjusting piece 30 moves relative to the shell 40 and pushes the roller 10 to move, so that the roller 10 is separated from the inner wall 41 of the shell 40 and moves towards the elastic piece 20, and the roller 10 has a circumferential degree of freedom.

Specifically, the bar is fixedly connected with the roller 10. The elastic member 20 may be disposed in the housing 40, and the elastic member 20 is preferably a spring, one end of which is fixed to the housing 40 and the other end of which abuts against the roller 10. In the use state, the connecting assembly is connected to the vehicle, the wiper strip is applied to the windscreen, and the rollers 10 are in contact with and fixed to the inner wall 41 of the housing 40, the elastic element 20 and the wiper strip, without circumferential freedom. In the mounted state, the connecting assembly is not yet connected to the vehicle, neither the roller 10 nor the wiper strip is fixed, and by pressing the adjusting element 30, the roller 10 is no longer in contact with the inner wall 41 of the housing 40 and is therefore no longer limited by the housing 40 in terms of axial freedom, so that the roller 10 can be rotated so that the wiper strip is also rotated, and by rotating the roller 10, the wiper strip can be brought to a better angle with respect to the windscreen.

It will be appreciated that the wiper strip is typically of a rubber material and is relatively flexible and can be deformed to conform to the windscreen, the more closely the wiper strip conforms to the windscreen and the better the cleaning effect of the wiper arm. Although the wiper strip has a certain flexibility, it is not feasible to rely solely on the flexibility of the wiper strip for windshields with different curvatures, since the curvatures differ considerably. The utility model provides a coupling assembling promotes roller 10 through regulating part 30 for roller 10 breaks away from the circumference restriction of casing 40, thereby obtains the circumference degree of freedom, scrapes the strip of scraping in the arm and can rotate around the center of roller 10, thereby changes the contained angle of scraping strip and windshield, makes the strip of scraping more laminate windshield, has better adaptability, can adapt to the windshield of different curvatures.

In one embodiment, referring to fig. 1, the cross section of the roller 10 is a convex polygon, the inner wall 41 of the housing 40 is provided with a plurality of protrusions 42, and the end surfaces of the plurality of protrusions 42 have a shape corresponding to the cross section of the ball. Specifically, a plurality of protrusions 42 are provided on both sides of the adjusting member 30, and preferably, the protrusions 42 on both sides have the same structure and number. To facilitate the rotation of the roller 10, the roller 10 preferably has a cross-section in the shape of a regular convex polygon, and the plurality of protrusions 42 may be integrally formed with the housing 40. It will be appreciated that the convex n-sided cross-section of the roller 10 is divided into n sides corresponding to the outer peripheral surface 101 thereof, and in use, the end surface of a single protrusion 42 abuts one or more sides of the roller 10, so that the plurality of protrusions 42 abut the outer peripheral surface 101 of the roller 10 at a plurality of locations to limit the circumferential freedom of the roller 10 and the circumferential fixation of the roller 10. In the mounted state, the adjuster 30 moves the roller 10 so that the roller 10 is disengaged from the projection 42 of the housing 40, and the roller 10 can rotate in the circumferential direction with a degree of freedom in the circumferential direction. Through the arrangement, the plurality of protrusions 42 limit the circumferential direction of the roller 10 together, and the roller 10 is prevented from rotating in a use state.

In one embodiment, referring to fig. 1, the adjusting member 30 includes a first end 31, a connecting portion 33 and a second end 32 connected in sequence. The first end 31 is disposed in the housing 40, the second end 32 is disposed outside the housing 40, the connecting portion 33 is slidably connected to the housing 40, and the first end 31 is used for pushing the roller 10. Specifically, the housing 40 is provided with a through hole to accommodate the connecting portion 33, the through hole is preferably a circular through hole, the connecting portion 33 is preferably cylindrical, and the diameter of the through hole is larger than that of the connecting portion 33. For convenience of assembly, the second end portion 32 and the connecting portion 33 may be of an integral structure, and the connecting portion 33 and the first end portion 31 are detachably connected; or the first end portion 31 and the connecting portion 33 may be an integral structure, and the connecting portion 33 and the second end portion 32 are detachably connected. It is understood that the adjusting member 30 may be always abutted against the outer circumferential surface 101 of the roller 10, or may be abutted against the outer circumferential surface 101 of the roller 10 only when the roller 10 is pushed in the mounted state. The second end 32 is disposed outside the housing 40 for manual adjustment. The connecting part 33 is connected with the shell 40 in a sliding mode, excessive accuracy is not needed, and cost is low. Through the arrangement, the adjusting mode of the adjusting piece 30 is simple, the structure is simple, the connecting assembly is compact in structure, and the scraping arm is convenient to miniaturize.

In one embodiment, referring to fig. 1, the surface of the first end portion 31 facing away from the connecting portion 33 is an arc surface, and the first end portion 31 is in point contact with the roller 10. Specifically, the surface may be a spherical surface, a paraboloid surface, or the like. In addition, the first end 31 may be in line contact with the roller 10. It will be appreciated that in the mounted state, the first end 31 of the adjustment member 30 bears against the roller 10 and pushes the roller 10, rotating the roller 10 to change the angle of the bar with the windscreen, the roller 10 being required to overcome the resistance between the roller 10 and the first end 31. With the above arrangement, the resistance between the roller 10 and the first end portion 31 is reduced, facilitating the rotation of the roller 10 in the mounted state.

In one embodiment, referring to fig. 1, the first end portion 31 includes a first end surface, the connecting portion 33 includes a second end surface, the first end surface is connected to the second end surface, and the size of the first end surface is larger than that of the second end surface, and the first end surface is used for limiting the first end portion 31 to be separated from the housing 40. Specifically, the first end surface is coplanar with the second end surface, and the diameter 311 of the first end surface is larger than the diameter 321 of the second end surface, so that the first end portion 31 stays in the cavity 401. Through the arrangement, the first end part 31 can conduct thrust to the roller 10 and can limit the self, the structure is simple, and the included angle between the scraping strip and the windshield can be adjusted conveniently.

In one embodiment, referring to fig. 1, the housing 40 has a through slot 402, and the through slot 402 is disposed on a side of the housing 40 opposite to the adjusting member 30. The roller 10 is provided with a wiper groove 101 through which the wiper extends into the housing 40 and is in mating engagement with the wiper groove 101. Specifically, the length of the through groove 402 in the extending direction is greater than or equal to the length of the wiper strip 101 in the extending direction, so as to accommodate the wiper strip. The scraping strip groove 101 can be in a T shape, so that the scraping strips can be fixed conveniently, and only the scraping strips need to be inserted into the scraping strip groove 101 to be fixed. The wiper strip extends through the channel 402 to engage the windshield. It will be appreciated that the wider the width of the through slot 402, the greater the angular range of adjustment of the wiper strip. Through the arrangement, the assembling process of the scraping strip is simple, and the scraping strip is arranged in the scraping strip groove 101, so that the connecting assembly is compact in structure and beneficial to miniaturization of the connecting assembly.

In one embodiment, referring to fig. 1, a baffle 21 is disposed at an edge of the through groove 402, the elastic member 20 is fixed to the baffle 21, and two opposite ends of the elastic member 20 in the axial direction respectively abut against the roller 10 and the housing 40. Specifically, both the elastic element 20 and the baffle 21 can be disposed in the cavity 401 of the housing 40, and the elastic element 20 is fixed to the inner wall 41 of the housing 40. Through baffle 21 spacing, the spring only can carry out axial motion, and the roller 10 resets after the installation state of being convenient for, is favorable to coupling assembling to carry out a lot of regulations.

In one embodiment, referring to fig. 1, the number of the elastic members 20 is multiple, and the multiple elastic members 20 surround the through groove 402. Specifically, the distance between the elastic members 20 on both sides of the through groove 402 in the width direction is smaller than the diameter of the roller 10, so that the elastic members 20 abut against the roller 10. The distance between the elastic members 20 on both sides in the extending direction of the through groove 402 is smaller than the length of the roller 10 so as to better support the roller 10. In addition, the elastic members 20 may be provided only on both sides in the extending direction or both sides in the width direction of the through groove 402. Through the setting, the resetting effect of the elastic part 20 is further improved, and the connecting assembly is favorable for multiple times of adjustment.

The utility model also provides a scrape arm device, please refer to fig. 1, should scrape arm device can be used to multiple type car, such as sports car, SUV and freight train etc.. Scrape the arm device and include the utility model provides a coupling assembling with scrape the strip, coupling assembling with scrape the strip and be connected. In addition, the scraping arm device can also comprise an electric motor which is used for driving the scraping arm device to swing on the windshield of the automobile, thereby achieving the purpose of cleaning the windshield. A motor may be connected to the roller 10 to control the rotation of the cylindrical roller, and a motor may also be connected to the adjusting member 30 to press the adjusting member 30 by the motor. The scraping strip can be made of rubber so as to have better flexibility. Through adding in scraping the arm device the utility model provides a coupling assembling scrapes the arm device and can adjust the contained angle of scraping strip and windshield, and applicable in multiple car has better adaptability.

The utility model also provides a car, the car includes the utility model provides a scrape the arm device. Specifically, the automobile can be a sports car, an SUV, a truck and the like, and the scraping arm device is arranged on the front windshield and the rear windshield of the automobile. Through setting up on the car the utility model provides a scrape arm device, the windshield of car all has better clean effect before the pad pasting and after the pad pasting, has improved the security of driving.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. A connecting component of a scraping arm is characterized by comprising a roller, an elastic component, an adjusting component and a shell, the shell is provided with a cavity, the roller is accommodated in the cavity and used for connecting the scraping strip, the elastic piece and the adjusting piece are oppositely arranged, the roller is arranged between the elastic piece and the adjusting piece and is abutted against the elastic piece, the adjusting piece is movably connected with the shell, the elastic piece is fixedly connected with the shell, when the scraping arm is in a use state, the outer circumferential surface of the roller is connected with the inner wall of the shell so as to fix the roller relative to the shell in the circumferential direction, when the scraping arm is in a mounting state, the adjusting piece moves relative to the shell and pushes the roller to move, so that the roller is disengaged from the inner wall of the housing and moved in the direction of the elastic member so that the roller has a circumferential degree of freedom.

2. The connecting assembly of claim 1 wherein the cross-section of the roller is a convex polygon, the inner wall of the housing is provided with a plurality of protrusions, and the end surfaces of the plurality of protrusions have a shape corresponding to the cross-section of the roller.

3. The connecting assembly of claim 2, wherein the adjustment member includes a first end portion, a connecting portion and a second end portion connected in series, the first end portion being disposed within the housing, the second end portion being disposed outside the housing, the connecting portion being slidably connected to the housing, the first end portion being configured to push the roller.

4. The connection assembly of claim 3, wherein a surface of the first end portion facing away from the connection portion is an arcuate surface, the first end portion being in point contact with the roller.

5. The connection assembly of claim 4, wherein the first end portion comprises a first end surface, the connection portion comprises a second end surface, the first end surface and the second end surface are connected, and a size of the first end surface is greater than a size of the second end surface, the first end surface is configured to restrict the first end portion from disengaging from the housing.

6. The connecting assembly of claim 3 wherein said housing defines a channel on a side of said housing facing away from said adjusting member, and said roller defines a wiper slot through which said wiper extends into said housing and into mating engagement with said wiper slot.

7. The connecting assembly of claim 6, wherein a baffle is disposed at an edge of the through slot, the elastic member is fixed to the baffle, and two ends of the elastic member opposite to each other in the axial direction respectively abut against the roller and the housing.

8. The connection assembly of claim 7, wherein the number of the resilient members is plural, and the plural resilient members surround the through groove.

9. A wiper arm assembly comprising a connecting assembly according to any one of claims 1 to 8 and a wiper strip, said connecting assembly being connected to said wiper strip.

10. A motor vehicle, characterized by comprising a wiper arm assembly as claimed in claim 9.

Images