Door mirror device

Abstract

The application provides an outside rearview mirror device, which comprises a base plate for mounting a mirror, the base plate is provided with a supporting hole, a supporting shaft is arranged in the supporting hole, the base plate is rotationally connected with a base through the supporting shaft, a limiting rail slot extending in the axial direction is arranged on the base plate, a spring is sleeved outside the supporting shaft, the spring is provided with a limiting part extending radially outward, and the limiting part is embedded in the limiting rail slot. The outside rearview mirror device of the embodiment of the application discards the stopper for limiting and circumferentially fixing the spring in the prior art through reasonable structural design, thereby reducing the production cost and the mounting procedure.

Description

TECHNICAL FIELD

[0001] The present application relates to an outside mirror device. BACKGROUND

[0002] The description in this section merely provides background information related to the present disclosure and does not constitute the prior art.

[0003] The foldable outside mirror includes a base and a housing connected by a rotating shaft, a supporting shaft is arranged in a supporting hole of the base, and a spring is arranged outside the supporting shaft.

[0004] In order to prevent the spring from rotating with the supporting shaft during folding or opening of the outside mirror, causing friction between the spring and the inner wall of the supporting hole and generating noise, the prior art such as CN100352691C, US20090086351A and US20040233557A provides a known embodiment in which a stopper arranged on the supporting shaft is used to limit and circumferentially fix the spring. In these known embodiments, the stopper neither hinders compression of the spring to achieve axial compression, nor prevents radial displacement or deformation of the spring, thereby reducing noise caused by radial displacement or deformation.

[0005] However, in actual production, the stopper usually has certain requirements for production processing and installation, which inevitably increases production cost and installation procedures.

[0006] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely describing the technical solutions of the present application and for the convenience of understanding by those skilled in the art. The above technical solutions cannot be considered as known to those skilled in the art merely because they are described in the background section of the present application. SUMMARY

[0007] Based on the defects of the prior art described above, the embodiments of the present application provide an outside mirror device, which discards the stopper used to limit and circumferentially fix the spring in the prior art, thereby reducing production cost and installation procedures.

[0008] In order to achieve the above-mentioned purpose, the present application provides the following technical solutions.

[0009] An outside mirror device, comprising:

[0010] A substrate for mounting a mirror, the substrate having a supporting hole, a supporting shaft arranged in the supporting hole, and the substrate being rotatably connected to a base by the supporting shaft;

[0011] A limiting rail groove extending in an axial direction, arranged on the substrate;

[0012] A spring is sleeved on the supporting shaft, and the spring is provided with a limiting part extending radially outward.

[0013] Preferably, the top end of the supporting shaft is provided with a stop part, and the spring is biased between the stop part and the inner wall of the supporting hole.

[0014] Preferably, at least one of the limiting part and the inner wall of the limiting rail slot is made of a non-metallic material.

[0015] Preferably, the top end of the base plate is integrally provided with a U-shaped structure, and the limiting rail slot is formed in the U-shaped structure.

[0016] Preferably, the inner wall of the supporting hole is inwardly recessed to form the limiting rail slot.

[0017] Preferably, the top end of the spring extends radially outward to form the limiting part.

[0018] Preferably, the limiting part is arranged on the outer wall of the spring and located between the two ends of the spring.

[0019] Preferably, the limiting part and the limiting rail slot are both multiple, and the multiple limiting rail slots correspond to the multiple limiting parts one by one.

[0020] Preferably, at least two limiting parts are located on opposite sides of the spring in the circumferential direction.

[0021] Preferably, the limiting rail slot has a righting surface facing the end of the limiting part, and the distance between the end of the limiting part and the righting surface is less than the distance between the outer wall of the spring and the inner wall of the supporting hole.

[0022] The outer rearview mirror device of the embodiment of the present application can realize the limiting and circumferential fixing of the spring by arranging the limiting rail slot on the base plate and arranging the limiting part on the spring, so that the limiting part cooperates with the limiting rail slot. In this way, the stopper for limiting and circumferentially fixing the spring in the prior art is abandoned, so that the production cost is reduced and the installation process is more convenient.

[0023] Specific embodiments of the present application are disclosed in detail in the following description and in the accompanying drawings, indicating the ways in which the principles of the present application can be employed. It should be understood that the embodiments of the present application are not limited in scope in terms of the arrangements described.

[0024] Features described and / or illustrated with respect to one embodiment can be used in the same or similar way in one or more other embodiments, in combination with or in place of features in other embodiments.

[0025] It should be emphasized that the term "comprises / comprising" when used in this specification is taken to mean the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof. BRIEF DESCRIPTION OF DRAWINGS

[0026] The drawings described herein are for purposes of illustration only and are not intended to limit the scope of the present disclosure. In addition, the shapes and proportions of the various components depicted in the drawings are not intended to be limiting, and the dimensions of the various components depicted in the drawings are not intended to be limiting. Those skilled in the art will recognize that various modifications are possible within the scope of the present disclosure, and the present disclosure should not be limited to the specific embodiments depicted in the drawings.

[0027] Figure 1 A perspective view of an embodiment of the rearview mirror device of the present disclosure;

[0028] Figure 2 A cross-sectional view of an embodiment of the rearview mirror device of the present disclosure. DETAILED DESCRIPTION

[0029] In order to make the technical solutions in the present application better understood, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.

[0030] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions as used herein are for illustrative purposes only and are not intended to be limiting.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the term "and / or" includes any and all combinations of one or more of the associated listed items. In addition, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and the like can be used herein to

[0032] As Figure 1 andFigure 2 As shown, the exterior rearview mirror device of this embodiment includes a base 1 and a base plate 2. The base 1 is used to support the components of the entire exterior rearview mirror device and to fix the exterior rearview mirror device to the vehicle. The base plate 2 is used to mount the lens; specifically, the base plate 2 can support the mirror cover 101, and the lens is disposed on the mirror cover 101.

[0033] The substrate 2 has a support hole 201, in which a support shaft 3 is disposed. The substrate 2 is rotatably connected to the base 1 via the support shaft 3. Thus, the substrate 2 can rotate relative to the base 1 about the support shaft 3 as a pivot center, thereby realizing the folding or opening of the exterior rearview mirror device.

[0034] A helical spring 4 is fitted over the support shaft 3, and the spring 4 is biased between the support shaft 3 and the inner wall of the support hole 201. Specifically, the top end of the support shaft 3 is provided with a stop portion 301, which is generally annular and extends radially outward from the top end of the support shaft 3, and is integrally constructed with the support shaft 3. The upper end of the spring 4 abuts against the stop portion 301, and the lower end is fixed against the inner wall of the support hole 201, and the spring 4 is in a compressed state.

[0035] To circumferentially fix the spring 4, the spring 4 is provided with a limiting member 401 extending radially outward, while the base plate 2 is provided with a limiting groove 202 extending axially. The limiting member 401 cooperates with the limiting groove 202. The limiting member 401 extends into the limiting groove 202 and can move up and down within the limiting groove 202. Specifically, when the spring 4 is compressed or reset axially, it can drive the limiting member 401 to move up and down. Therefore, the axially extending limiting groove 202 not only does not obstruct the movement of the limiting member 401, but also provides a certain guiding effect for the up and down movement of the limiting member 401.

[0036] Therefore, the limiting groove 202 allows the limiting component 401 to move up and down, while limiting and stopping its circumferential rotation. Thus, the spring 4 is circumferentially fixed.

[0037] When the limiting component 401 moves in the limiting groove 202, the limiting component 401 may rub against the inner wall of the limiting groove 202. In order to reduce or even eliminate the noise caused by the possible friction between the limiting component 401 and the inner wall of the limiting groove 202, at least one of the limiting component 401 and the inner wall of the limiting groove 202 is made of non-metallic material.

[0038] Specifically, the materials used include: the limiting component 401 is made of metal, and the inner wall of the limiting groove 202 is made of non-metal; or, the limiting component 401 is made of non-metal, and the inner wall of the limiting groove 202 is made of metal; or, both the limiting component 401 and the inner wall of the limiting groove 202 are made of non-metal.

[0039] Therefore, even if the limiting component 401 rubs against the inner wall of the limiting groove 202, the friction between the limiting component 401 and the inner wall of the limiting groove 202 is a non-metallic or non-metallic contact friction. Compared to metal-to-metal contact friction, this can significantly reduce or even eliminate noise.

[0040] Non-metallic materials include, but are not limited to, flexible materials such as rubber, silicone, and plastic.

[0041] The limiting groove 202 can be part of the structure of the substrate 2 itself. Specifically, a U-shaped structure 203 can be integrally provided at the top of the substrate 2, and the limiting groove 202 is formed in the U-shaped structure 203. Ribs 204 are provided on both sides of the U-shaped structure 203 to support and fix it. The ribs 204 are integrally constructed with the U-shaped structure 203 and the substrate 2.

[0042] Therefore, the U-shaped structure 203 can be molded together with the substrate 2, thereby simplifying the manufacturing process. Furthermore, compared with the prior art, by constructing the U-shaped structure 203 and the substrate 2 as a single unit, one component can be reduced, thus lowering the overall production cost.

[0043] Of course, the method of forming the limiting groove 202 is not limited to this. In other feasible embodiments, the limiting groove 202 can be formed by the inner wall of the support hole 201 being recessed inward. That is, the limiting groove 202 is located in the support hole 201. In this embodiment, the limiting groove 202 can also be formed as part of the structure of the substrate 2 itself, and it can also be molded together with the substrate 2 in the same way as described above.

[0044] The substrate 2 can generally be made of plastic material. When the limiting groove 202 and the substrate 2 are integrally constructed, the inner wall of the limiting groove 202 is also made of plastic material.

[0045] The limiting component 401 can be part of the structure of the spring 4 itself, specifically it can be formed by the top end of the spring 4 extending radially outward. That is, the limiting component 401 and the spring 4 are integrally constructed. Alternatively, the limiting component 401 can also be an additional or separate component, such as a strip or block, which can be fixed to the outer wall of the spring 4 by welding, bonding or other means, and located between the upper and lower ends of the spring 4.

[0046] When the limiting member 401 extends radially outward from the top of the spring 4, i.e., when the limiting member 401 is located at the top of the spring 4, the limiting groove 202 is preferably formed by a U-shaped structure 203 integrally provided at the top of the substrate 2. Similarly, when the limiting member 401 is an additional member provided on the outer wall of the spring 4, i.e., when the limiting member 401 is located in the middle of the spring 4 and in the support hole 201, the limiting groove 202 is preferably formed by the inner wall of the support hole 201 being recessed inward.

[0047] In this way, the limiting component 401 can better cooperate with the limiting rail groove 202, minimizing or even avoiding the possibility that the limiting component 401 may move out of the limiting rail groove 202 due to the mismatch between the stroke of the limiting component 401 and the position of the limiting rail groove 202.

[0048] Furthermore, there can be multiple limiting components 401 and multiple limiting grooves 202. Preferably, the multiple limiting components 401 and multiple limiting grooves 202 are evenly arranged circumferentially, and the multiple limiting grooves 202 correspond one-to-one with the multiple limiting components 401. This one-to-one correspondence includes: the number of limiting components 401 and the number of limiting grooves 202 are equal, and each limiting component 401 is embedded in the corresponding limiting groove 202.

[0049] By setting multiple sets of corresponding limiting components 401 and limiting rail grooves 202, the spring 4 can be prevented from contacting the inner wall of the support hole 201 at any position in the circumferential direction, thereby playing a role in straightening the spring 4 and ensuring that the spring 4 has a better centering in the support hole 201.

[0050] Furthermore, at least two limiting members 401 are located circumferentially on opposite sides of the spring 4. The opposite sides can be: the two limiting members 401 are located at opposite ends of the spring 4 in the diametrical direction, or the line connecting them passes through the center point of the spring 4. Correspondingly, the limiting grooves 202 corresponding to the two springs 4 are also located circumferentially on opposite sides of the base plate 2.

[0051] In this way, the two limiting components 401 located on opposite sides of the spring 4 can cooperate with each other to prevent the spring 4 from bending and deforming in the direction of the line connecting the two limiting components 401. When all the limiting components 401 on the spring 4 are arranged in this opposite manner, the spring 4 can be better straightened.

[0052] Specifically, the number of limiting components 401 can be 2n, that is, an even number (e.g., 4, 6, etc.), and the even number of limiting components 401 are evenly arranged circumferentially. There are then n sets of relatively arranged limiting components 401, and these n sets of relatively arranged limiting components 401 can adjust the spring 4 in n different ways.

[0053] As described above, the limiting component 401 can move up and down within the limiting groove 202. Therefore, when the spring 4 does not undergo radial bending, the limiting component 401 should have a clearance fit with the limiting groove 202. Specifically, the limiting groove 202 has a support surface facing the end of the limiting component 401, and the distance between the end of the limiting component 401 and the support surface is less than the distance between the outer wall of the spring 4 and the inner wall of the support hole 201. In this way, once the spring 4 undergoes radial bending, the limiting component 401 can abut against the support surface of the limiting groove 202 before the spring 4 contacts the inner wall of the support hole 201, thereby preventing the spring 4 from contacting and rubbing against the support hole 201.

[0054] The exterior rearview mirror device of this invention, by providing a limiting groove 202 on the base plate 2 and a limiting component 401 on the spring 4, allows the limiting component 401 to cooperate with the limiting groove 202 to achieve limiting and circumferential fixation of the spring 4. This eliminates the need for the stop components used in the prior art for limiting and circumferentially fixing the spring 4, thereby reducing production costs and simplifying the installation process.

[0055] The above descriptions are merely a few embodiments of the present invention. Those skilled in the art can make various modifications or variations to the embodiments of the present invention based on the content disclosed in the application documents without departing from the spirit and scope of the present invention.

Claims

1. An exterior rearview mirror device, characterized in that, include: A substrate for mounting lenses, the substrate having a support hole, a support shaft being disposed in the support hole, and the substrate being rotatably connected to a base via the support shaft; A limiting groove extending axially is provided on the base plate; A spring sleeved on the support shaft has a limiting component extending radially outward; the limiting component cooperates with the limiting groove; the spring can be compressed or reset axially to drive the limiting component to move up and down in the limiting groove. The limiting rail groove has a support surface facing the end of the limiting component, and the distance between the end of the limiting component and the support surface is less than the distance between the outer wall of the spring and the inner wall of the support hole. in, The top of the substrate is integrally provided with a U-shaped structure, and the limiting groove is formed in the U-shaped structure; correspondingly, the top of the spring extends outward in a radial direction to form the limiting component; Alternatively, the inner wall of the support hole is recessed inward to form the limiting groove; correspondingly, the limiting component is disposed on the outer wall of the spring and located between the two ends of the spring.

2. The exterior rearview mirror device as described in claim 1, characterized in that, The top end of the support shaft is provided with a stop, and the spring is biased between the stop and the inner wall of the support hole.

3. The exterior rearview mirror device as described in claim 1, characterized in that, At least one of the limiting component and the inner wall of the limiting rail groove is made of a non-metallic material.

4. The exterior rearview mirror device as described in claim 1, characterized in that, When the limiting component is disposed on the outer wall of the spring, there are multiple limiting components and multiple limiting grooves, and the multiple limiting grooves correspond one-to-one with the multiple limiting components.

5. The exterior rearview mirror device as described in claim 4, characterized in that, At least two of the limiting components are located circumferentially on opposite sides of the spring.

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