CN219257287U

CN219257287U - Windscreen wiper shaft sheath, windscreen wiper and vehicle

Info

Publication number: CN219257287U
Application number: CN202221917576.0U
Authority: CN
Inventors: 郑云龙
Original assignee: Beijing CHJ Automobile Technology Co Ltd
Current assignee: Beijing CHJ Automobile Technology Co Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-06-27
Anticipated expiration: 2032-07-22

Abstract

The utility model relates to the technical field of automobile parts, in particular to a wiper shaft sheath, a wiper and a vehicle. The wiper shaft sheath can improve the sealing between the wiper shaft and the wiper cover plate.

Description

Windscreen wiper shaft sheath, windscreen wiper and vehicle

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a wiper shaft sheath, a wiper and a vehicle.

Background

There is a gap between the wiper shaft and the wiper cover plate of the wiper, which not only affects the aesthetic property of the wiper shaft, but also rainwater or foreign matters easily enter the transmission mechanism of the wiper through the gap, so that corrosion or circuit failure of the transmission mechanism occurs.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this reason, embodiments of the present utility model provide a wiper shaft sheath that can improve the seal between a wiper shaft and a wiper cover plate.

The utility model further provides a wiper shaft.

The utility model further provides a vehicle.

The windscreen wiper shaft sheath of the embodiment of the utility model comprises: the connecting ring is suitable for being sleeved on the wiper shaft; the support ring surrounds the outside of the connecting ring, and one side of the support ring, which is far away from the connecting ring, is suitable for being connected with the wiper cover plate; and one end of the telescopic ring is connected with the inner peripheral surface of the supporting ring, and the other end of the telescopic ring is connected with the outer peripheral surface of the connecting ring.

According to the wiper shaft sheath provided by the embodiment of the utility model, the position deviation of the wiper shaft can be absorbed through the telescopic ring, and the tightness and the assembly precision between the wiper shaft and the wiper cover plate are improved.

In some embodiments, a clamping groove is formed in the outer peripheral surface of the connecting ring, and the telescopic ring is clamped in the clamping groove.

In some embodiments, the support ring has a first end and a second end in a thickness direction thereof, and the support ring is provided with a limit rib, and the limit rib is located on the first end.

In some embodiments, the spacing rib is an annular spacing rib.

In some embodiments, the outer profile of the telescopic ring is wavy in a longitudinal section of the telescopic ring.

In some embodiments, the telescopic ring comprises a plurality of sections of telescopic parts which are sequentially connected, the thickness of each telescopic part is A1, the thickness of the joint of two adjacent telescopic parts is A2, and A1 is more than A2.

In some embodiments, the telescoping ring is integrally formed with the support ring.

The windscreen wiper of the embodiment of the utility model comprises: the cover plate is provided with a mounting groove; the windscreen wiper shaft is positioned in the mounting groove, and one end of the windscreen wiper shaft extends out of the mounting groove; the windscreen wiper shaft sheath is sleeved on the windscreen wiper shaft, the windscreen wiper shaft sheath is located in the mounting groove, and the windscreen wiper shaft sheath is the windscreen wiper shaft sheath according to any one of the embodiments.

According to the windscreen wiper disclosed by the embodiment of the utility model, the position deviation of the windscreen wiper shaft can be absorbed through the telescopic ring, the tightness and the assembly precision between the windscreen wiper shaft and the windscreen wiper cover plate are improved, external foreign matters can be prevented from entering the transmission mechanism of the windscreen wiper, and the service life of the windscreen wiper is prolonged.

In some embodiments, the support ring is integrally formed with the cover plate.

The vehicle according to the embodiment of the utility model comprises the wiper blade according to the embodiment.

The vehicle provided by the embodiment of the utility model can prolong the service life of the windscreen wiper.

Drawings

Fig. 1 is a schematic structural view of a wiper shaft according to an embodiment of the present utility model.

Reference numerals:

the wiper shaft sheath 100, the wiper shaft 200,

the connecting ring 1, the clamping groove 11,

the supporting ring 2, the limiting rib 21,

a telescopic ring 3, a telescopic part 31.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1, the wiper shaft sheath according to the embodiment of the utility model comprises a connecting ring 1, a supporting ring 2 and a telescopic ring 3, wherein the connecting ring 1 is suitable for being sleeved on a wiper shaft 200, the supporting ring 2 surrounds the outside of the connecting ring 1, one end of the telescopic ring 3 is connected with the inner peripheral surface of the supporting ring 2, the outer peripheral surface of the supporting ring 2 is suitable for being connected with a wiper cover plate, and the other end of the telescopic ring 3 is connected with the outer peripheral surface of the connecting ring 1.

Specifically, as shown in fig. 1, a mounting hole is provided on the connection ring 1, the mounting hole penetrates through the connection ring 1 in the up-down direction, one end of the wiper shaft 200 penetrates through the mounting hole, and the lower end of the wiper shaft 200 is connected with a driver.

For example, the expansion ring 3 is in a ring shape, the inner circumference of the expansion ring 3 is connected with the connection ring 1, the outer circumference of the expansion ring 3 is connected with the support ring 2, and the expansion ring 3 is expandable in the radial direction and the axial direction of the wiper shaft 200.

According to the wiper shaft sheath provided by the embodiment of the utility model, the telescopic ring 3 is arranged, and the telescopic ring 3 is telescopic in the radial direction and the axial direction of the wiper, so that the position deviation of the wiper shaft 200 is absorbed, the phenomenon that external foreign matters or water enter a transmission mechanism in the wiper when the position deviation of the wiper shaft 200 occurs is avoided, and the tightness and the assembly precision between the wiper shaft 200 and the wiper cover plate are improved.

In some embodiments, the outer circumferential surface of the connecting ring 1 is provided with a clamping groove 11, and the telescopic ring 3 is clamped in the clamping groove 11.

Specifically, as shown in fig. 1, the clamping groove 11 is an annular clamping groove 11, for example, the clamping groove 11 may be a dovetail groove or a T-shaped groove, and the inner circumference of the telescopic ring 3 is clamped in the clamping groove 11, so that the conversion efficiency of the sheath and the wiper shaft 200 is improved.

For example, the connecting ring 1 is a wear-resistant ring, so that the abrasion of the wiper shaft 200 to the telescopic ring 3 can be reduced, the telescopic ring 3 is a flexible plate, the connecting ring 1 and the telescopic ring 3 are made of different materials, and abnormal sound generated by friction between the wiper shaft 200 and the telescopic ring 3 in the moving process can be improved by different materials.

In some embodiments, the support ring 2 has a first end and a second end in its thickness direction (up and down as shown in fig. 1), and the support ring 2 is provided with a stop rib 21, and the stop rib 21 is located on the first end.

Specifically, as shown in fig. 1, the lower end of the supporting ring 2 is provided with a limiting rib 21, the limiting rib 21 extends along the up-down direction, and the dimension of the limiting rib 21 in the up-down direction is smaller than or equal to the dimension of the supporting ring 2 in the up-down direction, by arranging the limiting rib 21, the sheath can be positioned when the sheath is installed, the assembly precision between the sheath and the wiper shaft 200 is improved, and the position of the sheath can be prevented from being deviated.

In some embodiments, the spacing rib 21 is an annular spacing rib 21.

For example, the stopper rib 21 is disposed around the circumference of the support ring 2, and the dimension of the stopper rib 21 in the left-right direction is smaller than the dimension of the support ring 2 in the left-right direction.

Or, the spacing ribs 21 are arc-shaped spacing ribs 21, and the number of the spacing ribs 21 is a plurality of, and the plurality of spacing ribs 21 are uniformly arranged at intervals in the circumferential direction of the wiper shaft 200.

According to the wiper shaft sheath provided by the embodiment of the utility model, the limiting ribs 21 are arranged, so that the structural strength of the support ring 2 can be improved.

In some embodiments, the outer contour of the telescopic ring 3 is wavy in longitudinal section of the telescopic ring 3.

Specifically, as shown in fig. 1, the expansion ring 3 can be expanded and folded in the circumferential direction and the radial direction of the wiper shaft 200, thereby better absorbing dimensional deviation of the wiper shaft 200 during installation or movement.

In some embodiments, the telescopic ring 3 includes a plurality of sections of telescopic parts 31 connected in sequence, the thickness of the telescopic part 31 is A1, the thickness of the joint between two adjacent telescopic parts 31 is A2, and A1 > A2.

Specifically, as shown in fig. 1, the telescopic parts 31 are sequentially connected in the left-right direction, and the thickness of the connecting part of two adjacent telescopic parts 31 is smaller than that of the telescopic part 31, so that the telescopic ring 3 can be better stretched, and the position deviation of the wiper shaft 200 can be better absorbed.

In some embodiments, the expansion ring 3 is integrally formed with the support ring 2.

For example, the telescopic ring 3 and the supporting ring 2 can be integrally injection molded, the connection strength between the telescopic ring 3 and the supporting ring 2 can be improved, breakage between the telescopic ring 3 and the supporting ring 2 is avoided, the supporting ring 2 can be positioned by the limiting ribs 21, and the manufacturing precision and the qualification rate of the injection molding of the supporting ring 2 and the telescopic ring 3 can be better ensured.

The wiper blade according to the embodiment of the utility model includes a cover plate (not shown), a wiper shaft 200 and a wiper shaft sheath 100, wherein a mounting groove is formed in the cover plate, the wiper shaft 200 is located in the mounting groove, one end of the wiper shaft 200 extends out of the mounting groove, the wiper shaft sheath 100 is sleeved on the wiper shaft 200, the wiper shaft sheath 100 is located in the mounting groove, and the wiper shaft sheath 100 is the wiper shaft sheath according to any one of the embodiments.

According to the windscreen wiper disclosed by the embodiment of the utility model, the position deviation of the windscreen wiper shaft 200 can be absorbed through the telescopic ring 3, the tightness and the assembly precision between the windscreen wiper shaft 200 and the windscreen wiper cover plate are improved, external foreign matters can be prevented from entering the transmission mechanism of the windscreen wiper, and the service life of the windscreen wiper is prolonged.

In some embodiments, the support ring 2 is integrally formed with the cover plate.

For example, the support ring 2 may also be part of a cover plate, i.e. the cover plate and the support ring 2 are the same part, the support ring 2 is formed on the cover plate, and the telescopic ring 3 is integrally formed with the cover plate.

According to the windscreen wiper disclosed by the embodiment of the utility model, the hanging plate and the supporting ring 2 are integrally formed, so that the manufacturing precision of the joint of the sheath and the cover plate can be improved, and the appearance quality of the joint of the sheath and the cover plate and the overall quality of the cover plate can be improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A wiper shaft sheath comprising:

the connecting ring is suitable for being sleeved on the wiper shaft;

the support ring surrounds the outside of the connecting ring, and one side of the support ring, which is far away from the connecting ring, is suitable for being connected with the wiper cover plate;

and one end of the telescopic ring is connected with the inner peripheral surface of the supporting ring, and the other end of the telescopic ring is connected with the outer peripheral surface of the connecting ring.

2. The wiper shaft sheath according to claim 1, wherein a clamping groove is formed in the outer peripheral surface of the connecting ring, and the telescopic ring is clamped in the clamping groove.

3. The wiper shaft jacket according to claim 1, wherein the support ring has a first end and a second end in a thickness direction thereof, and wherein the support ring is provided with a stopper rib, the stopper rib being located on the first end.

4. A wiper shaft jacket according to claim 3, characterized in that the limit rib is an annular limit rib.

5. The wiper shaft jacket according to claim 1, wherein the outer contour of the telescopic ring is wavy in a longitudinal section of the telescopic ring.

6. The wiper shaft sheath according to claim 5, wherein the telescopic ring comprises a plurality of sections of telescopic parts which are sequentially connected, the thickness of each telescopic part is A1, the thickness of the joint of two adjacent telescopic parts is A2, and A1 is more than A2.

7. The wiper shaft jacket according to any of claims 1 to 6, wherein the telescoping ring is integrally formed with the support ring.

8. A wiper blade, comprising:

the cover plate is provided with a mounting groove;

the windscreen wiper shaft is positioned in the mounting groove, and one end of the windscreen wiper shaft extends out of the mounting groove;

a wiper shaft sheath, the wiper shaft sheath is sleeved on the wiper shaft, the wiper shaft sheath is positioned in the mounting groove, and the wiper shaft sheath is the wiper shaft sheath according to any one of claims 1-7.

9. The wiper blade of claim 8, wherein the support ring is integrally formed with the cover plate.

10. A vehicle comprising the wiper blade according to claim 8 or 9.