CN213565807U - Self-adaptive outer rearview mirror windscreen wiper - Google Patents

Abstract

The utility model discloses a self-adaptation outside rear-view mirror wiper, including push-and-pull portion and windscreen wiper portion, windscreen wiper portion includes windscreen wiper piece mount pad and first windscreen wiper piece, second windscreen wiper piece, first windscreen wiper piece with the second windscreen wiper piece all slidable mounting in the windscreen wiper piece mount pad, and first windscreen wiper piece and the second windscreen wiper piece, with be equipped with the spring between the windscreen wiper piece mount pad, first windscreen wiper piece and the second windscreen wiper piece stretch out with opposite direction relatively the windscreen wiper piece mount pad under the spring force effect, and support and press in the relative both sides of rear-view mirror; the push-pull part is used for pushing and pulling the wiper part to scrape the mirror surface of the rearview mirror. Under the combined action of the push-pull part and the spring force, the self-adaptive outer rearview mirror wiper in the embodiment enables the wiper part to move along the mirror surface and automatically adapt to the mirror surface with an irregular shape, the wiper can be comprehensively wiped in the push-pull stroke, and the wiper can effectively work all the time and all the weather and can more comprehensively wipe the water range.

Description

Self-adaptive outer rearview mirror windscreen wiper

Technical Field

The utility model relates to the technical field of auto-parts, concretely relates to self-adaptation outside rear-view mirror wiper.

Background

The outer rearview mirror is used as an important component of the automobile, can increase the side, rear and lower visual fields of a driver, and provides more safety guarantee for daily driving. However, when the driver is in rainy days, particularly heavy rain, the external rearview mirror becomes blurred due to the rain, the driver cannot know the road condition outside the vehicle in time, and the driving safety is seriously affected.

For solving this problem among the prior art, set up the air nozzle in outside rear-view mirror top periphery, link to each other with the fan through admission line, can form the wind wall when the rainfall, prevent that the rainwater from falling from the mirror surface top.

However, the above-described solution is not suitable for the case where there is already rain on the front outer mirror or there is a raining situation, and the improvement capability is limited for the case where the outer mirror is rained.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-adaptation outside rear-view mirror wiper, including push-and-pull portion and windscreen wiper portion, windscreen wiper portion includes windscreen wiper piece mount pad and first windscreen wiper piece, second windscreen wiper piece, first windscreen wiper piece with the second windscreen wiper piece all slidable mounting in the windscreen wiper piece mount pad, and first windscreen wiper piece and the second windscreen wiper piece, with be equipped with the spring between the windscreen wiper piece mount pad, first windscreen wiper piece and the second windscreen wiper piece stretch out with opposite direction relatively the windscreen wiper piece mount pad under the spring force effect, and support and press in the relative both sides of rear-view mirror; the push-pull part is used for pushing and pulling the wiper part to scrape the mirror surface of the rearview mirror.

Optionally, the outer ends of the first wiper blade and the second wiper blade are respectively provided with a first roller and a second roller, and when the wiper portion moves by pushing and pulling the push-pull portion, the first roller and the second roller roll along the mirror frame of the exterior rearview mirror.

Optionally, the first wiper blade and the second wiper blade are respectively provided with a first sliding hole and a second sliding hole, the wiper portion further includes a first spring mounting rod and a second spring mounting rod, and a part of the first spring mounting rod and a part of the second spring mounting rod are respectively inserted into the first sliding hole and the second sliding hole;

the spring comprises a first spring and a second spring, and the first spring and the second spring are respectively sleeved with the first spring mounting rod and the second spring mounting rod.

Optionally, the wiper blade mounting seat has a wiper blade mounting groove, the first wiper blade and the second wiper blade are inserted into the wiper blade mounting groove, one end of the wiper blade mounting groove is sealed with a part corresponding to the first wiper blade or is provided with a first sealing plate, the other end of the wiper blade mounting groove is sealed with a part corresponding to the second wiper blade or is provided with a second sealing plate, and one end of the first spring and one end of the second spring are abutted against the corresponding part sealed by the wiper blade mounting seat or are abutted against the first sealing plate and the second sealing plate respectively.

Optionally, the bottom opening of wiper blade mounting groove, the both sides of wiper blade mounting groove inwards buckle and form first limit of buckling, the limit is buckled to the second respectively, first wiper blade with the side of second wiper blade forms first draw-in groove, second draw-in groove respectively, first limit of buckling the second limit of buckling is blocked respectively first draw-in groove the second draw-in groove.

Optionally, the wiper portion further includes a first reinforcing tube and a second reinforcing tube, the first reinforcing tube and the second reinforcing tube are respectively inserted into the first sliding hole and the second sliding hole, and a part of the first spring mounting rod and a part of the second spring mounting rod are respectively inserted into the first reinforcing tube and the second reinforcing tube.

Optionally, the outer ends of the first wiper blade and the second wiper blade are respectively provided with a first roller and a second roller, and when the wiper portion moves under the pushing and pulling of the push-pull portion, the first roller and the second roller roll along the mirror frame of the exterior rearview mirror; the windscreen wiper portion further comprises a first roller mounting frame and a second tube wheel mounting frame, the first roller mounting frame and the second tube wheel mounting frame are respectively mounted on the first roller and the second roller, the first roller mounting frame and the second tube wheel mounting frame respectively comprise a first mounting shaft and a second mounting shaft, and the first mounting shaft and the second mounting shaft are respectively fixedly inserted into the first reinforcing tube and the second reinforcing tube.

Optionally, the first wiper blade and the second wiper blade are staggered and at least partially overlap in a vertical sliding direction.

Optionally, a joint seat is arranged at the top of the wiper blade mounting seat, and the push-pull part is connected with the joint seat.

Optionally, the push-pull portion is an electric push-pull rod.

Under the combined action of the push-pull part and the spring force, the self-adaptive outer rearview mirror wiper in the embodiment enables the wiper part to move along the mirror surface and automatically adapt to the mirror surface with an irregular shape, the wiper can be comprehensively wiped in the push-pull stroke, and the wiper can effectively work all the time and all the weather and can more comprehensively wipe the water range.

Drawings

Fig. 1 is a schematic view of an adaptive exterior mirror wiper according to an embodiment of the present invention installed on an exterior mirror;

fig. 2 is a schematic structural view of the wiper portion of fig. 1;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

fig. 5 is a cross-sectional view of the wiper portion of fig. 2;

FIG. 6 is an end view of FIG. 2;

FIG. 7 is a partial view of a second spring and a second wiper blade attachment location;

fig. 8 is a partial view of the first wiper blade of fig. 2 in a position where the first roller is mounted at the end thereof.

The reference numerals in fig. 1-8 are illustrated as follows:

10-a joint base;

20-wiper blade mount; 201-a first seal plate; 202-a second closing plate; 20 a-a first bending edge;

301-a first wiper blade; 302-a second wiper blade;

401-a first wheel; 402-a second roller;

501-a first reinforcement pipe; 502-a second stiffening tube;

601-a first spring; 602-a second spring;

701-a first spring mounting bar; 702-a second spring mounting bar;

801-a first roller mount; 801 a-first installation axis; 801 b-first base plate; 801 c-first side post; 801 d-first roller; 802-a second roller mount;

01-electric push-pull rod;

100-outside rear view mirror; 100 a-frame.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, fig. 1 is a schematic view illustrating an adaptive outer mirror wiper installed on an outer mirror according to an embodiment of the present invention.

In this embodiment, the outer rearview mirror wiper includes a push-pull portion and a wiper portion, the push-pull portion is embodied as a motorized push-pull rod 01 shown in fig. 1 in this embodiment, the wiper portion includes a wiper blade mounting seat 20 and a first wiper blade 301 and a second wiper blade 302 mounted on the wiper blade mounting seat 20, in fig. 1, after being assembled to the outer rearview mirror 100, the first wiper blade 301 and the second wiper blade 302 are arranged up and down, and the motorized push-pull rod 01 pushes and pulls in the left-right direction to drive the first wiper blade 301 and the second wiper blade 302 to horizontally scrape the mirror surface of the outer rearview mirror 100. It can be understood that the first wiper blade 301 and the second wiper blade 302 are arranged left and right, the electric push-pull rod 01 can be pushed and pulled in the up-down direction, the scheme is not limited, the aim of facilitating overall wiping is mainly achieved, the arrangement is carried out according to the structural form of the exterior rearview mirror 100, the push-pull direction is perpendicular to the extending direction of the wiper blades, and therefore the wiping surface can cover the whole mirror surface.

The specific structure of the wiper portion can be understood with continued reference to fig. 2-6, fig. 2 is a schematic structural view of the wiper portion of fig. 1; FIG. 3 is an exploded view of FIG. 2; FIG. 4 is a top view of FIG. 2; fig. 5 is a cross-sectional view of the wiper portion of fig. 2; fig. 6 is an end view of fig. 2.

The first wiper blade 301 and the second wiper blade 302 of the wiper portion are both slidably mounted on the wiper blade mounting seat 20, the wiper blade mounting seat 20 is provided with a wiper blade mounting groove, both wiper blades are inserted into the wiper blade mounting seat 20, as shown in fig. 6, the wiper blade mounting seat 20 is embodied as a flat sleeve-shaped structure, the inner cavity is a wiper blade mounting groove, the wiper blade mounting groove is a long groove structure with an opening at the bottom, two sides of the wiper blade mounting groove are bent inwards to form a first bending edge 20a (shown in figure 6) and a second bending edge respectively, the side surfaces of the first wiper blade 301 and the second wiper blade 302 form a first clamping groove and a second clamping groove respectively, when two wiper blades are inserted into the wiper blade mounting grooves, the first bending edge 20a and the second bending edge are respectively clamped into the first clamping groove and the second clamping groove, the clamping groove and the corresponding bent edge are matched to form a sliding groove and a sliding rail structure, so that a sliding guide part of the wiper blade is formed.

It can be understood that the wiper blade guide groove comprises two separated groove bodies, corresponding wiper blades can be installed respectively, the wiper blade installing groove comprises one groove body, the two wiper blades are installed on the groove body simultaneously, and the structure is simpler.

In addition, a spring is arranged between the first wiper blade 301 and the second wiper blade 302 and the wiper blade mounting seat 20, the first wiper blade 301 and the second wiper blade 302 extend out in opposite directions relative to the wiper blade mounting seat 20 under the action of spring force, namely, the two wiper blades can stretch out and draw back relative to the wiper blade mounting seat 20, so that the total length of the wiper part is lengthened or shortened, one end of the two wiper blades, which is far away from each other, is an outer end, and one end of the two wiper blades, which is always located in the wiper blade mounting seat 20, is an inner end. Under the action of the elastic force, the outer ends of the first wiper blade 301 and the second wiper blade 302 always abut against the two opposite sides of the exterior rearview mirror 100, and when the push-pull portion pushes and pulls the wiper portion, the wiper portion can scrape the whole exterior rearview mirror 100, so that the purpose of timely wiping off rainwater is achieved.

Taking fig. 1 as an example, the vertical direction in fig. 1 is defined as the width direction of the exterior mirror 100, and the horizontal direction is defined as the longitudinal direction of the exterior mirror 100. Due to the arrangement of the springs, the two wiper blades can always abut against the upper side and the lower side of the outer rearview mirror 100 under the action of elastic force, namely, the length of the wiper part can adapt to the width change of the outer rearview mirror 100. Obviously, the push-pull stroke is consistent with the length direction of the exterior mirror 100, so as to ensure that the whole mirror surface can be scraped, and the scraping range is large.

In order to make the wiping range of the external rearview mirror wiper more comprehensive, the wiper blade mount 20, the first wiper blade 301 and the second wiper blade 302 may be arranged as follows: two wiper blades are arranged in a staggered mode, the two wiper blades are arranged in a sliding mode in a direction perpendicular to the sliding direction and at least partially overlapped, the two wiper blades are combined into an overall wiper blade, the overall wiper blade is staggered and at least partially overlapped, the length of the overall wiper blade for contacting a mirror surface can be ensured to be continuous in the length direction of the wiper portion, and therefore when the wiper portion moves to the position with the maximum mirror surface width of the exterior rearview mirror 100, a certain length overlapping amount still needs to be arranged between the first wiper blade 301 and the second wiper blade 302. In addition, the length of the wiper blade mounting seat 20 should be smaller than the minimum width of the mirror surface of the exterior rearview mirror 100, when the wiper portion moves to the maximum pushing stroke of the push-pull portion, the first wiper blade 301 and the second wiper blade 302 can be completely arranged in the wiper blade mounting seat 20, the wiper blade can be completely retracted into the wiper blade mounting seat 20 to increase the wiping stroke as much as possible, and the width change of different exterior rearview mirror frames can be easily adapted.

Further, the maximum stroke of the push-pull portion may be set according to the size of the external rear view mirror 100 to ensure that the wiping can be performed comprehensively, and when the wiping is not required, the push-pull portion pulls the entire wiper portion back to the vehicle body side of the external rear view mirror 100 without affecting the sight of the driver.

Referring again to fig. 3 and 5, and as will be understood in conjunction with fig. 7, fig. 7 is a partial view of the location of the connection of the second spring 602 and the second wiper blade 302.

The first wiper blade 301 and the second wiper blade 302 are respectively provided with a first sliding hole and a second sliding hole extending along the length direction, the length direction is also the direction in which the two wiper blades slide relatively, at this time, the wiper portion further comprises a first spring mounting rod 701 and a second spring mounting rod 702, and a part of the first spring mounting rod 701 and a part of the second spring mounting rod 702 are respectively inserted into the first sliding hole and the second sliding hole to slide along the corresponding sliding holes. At this time, the spring specifically includes a first spring 601 and a second spring 602, the first spring 601 and the second spring 602 are respectively sleeved with a first spring mounting rod 701 and a second spring mounting rod 702, one end of the first spring 601 is pressed against the inner end of the first wiper blade 301, the other end is pressed against the wiper blade mounting seat 20, one end of the second spring 602 is pressed against the inner end of the second wiper blade 302, and the other end is pressed against the wiper blade mounting seat 20. The spring mounting rod is used as a part for supporting the spring, so that the stability of the spring is ensured, and the spring mounting rod is used as a guide rod for the sliding of the spring, so that the structure is more stable. It will be appreciated that the spring-mounted lever may not be provided.

Specifically, a first sealing plate 201 is provided at a portion of one end of the wiper blade mounting groove corresponding to the first wiper blade 301, and a second sealing plate 202 is provided at the other end portion corresponding to the second wiper blade 302, i.e., the end portion of the wiper blade mounting groove is substantially half closed by the sealing plates so as to be abutted against the springs of the corresponding side, and half opened to allow the wiper blade of the corresponding other side to protrude. Set up the shrouding, the processing structure of wiper blade mount pad 20 is more simple, the assembly of the spring, wiper blade, the spring mounting pole that also is convenient for correspond, and the spring mounting pole can be fixed in the shrouding that corresponds. It can be understood that, it is also possible not to provide a sealing plate, the wiper blade mounting groove may be directly sealed at a position corresponding to the sealing plate, which is equivalent to the sealing plate and the wiper blade mounting groove being integrally disposed, and one end of the first spring 601 and the second spring 602 may abut against the end sealed portion corresponding to the wiper blade mounting seat 20. When the first spring 601 and the second spring 602 are in a natural state, the first wiper blade 301 and the second wiper blade 302 both extend out of the wiper blade mounting seat 20, and when the wiper blade is compressed inward by a pressure, the elastic forces of the two springs make the two wiper blades have a tendency to extend outward.

As can be understood by referring to fig. 1, the outer circle of the exterior mirror 100 has a mirror frame 100a, and after the exterior mirror wiper is mounted on the exterior mirror 100, the outer ends of the first wiper blade 301 and the second wiper blade 302 are pressed against the mirror frame 100a, so that the first wiper blade 301 and the second wiper blade 302 are pressed inward against the corresponding first spring 601 and second spring 602 even at the widest (the top-bottom dimension in the view angle of fig. 1) position of the exterior mirror 100, and the outer ends of the two wiper blades are pressed against the mirror frame 100a of the exterior mirror 100 all the time, thereby ensuring that all mirror surfaces can be wiped.

Referring to fig. 3, the wiper portion further includes a first reinforcing tube 501 and a second reinforcing tube 502, the first reinforcing tube 501 and the second reinforcing tube 502 are respectively inserted into the first sliding hole and the second sliding hole, and a portion of the first spring mounting rod 701 and a portion of the second spring mounting rod 702 are respectively inserted into the first reinforcing tube 501 and the second reinforcing tube 502. When the spring stretches, the first spring mounting rod 701 and the second spring mounting rod 702 can slide in the corresponding sliding holes, the reinforcing pipe is arranged to facilitate the sliding of the spring mounting rods, and the reinforcing pipe can be machined to have a smooth inner surface.

As will be understood in conjunction with fig. 8, fig. 8 is a partial view of the first wiper blade 301 of fig. 2 where the first roller 401 is mounted at the end thereof.

In this embodiment, the outer ends of the first wiper blade 301 and the second wiper blade 302 are respectively provided with a first roller 401 and a second roller 402, and when the wiper portion is pushed and pulled down by the push-pull portion to move, the first roller 401 and the second roller 402 roll along the exterior mirror 100, so that the translational friction between the wiper blade and the mirror frame 100a of the exterior mirror 100 is changed into rolling friction, which can greatly reduce the resistance of the movement of the wiper portion, and make the whole wiping process more smooth.

The first roller 401 and the second roller 402 may be mounted at outer ends of the corresponding wiper blades by a first roller mount 801 and a second roller mount 802. As shown in fig. 8, the first roller mounting frame 801 includes a first roller 801d, a first side column 801c and a first bottom plate 801b, the first bottom plate 801b is mounted at an outer end of the wiper blade, the first bottom plate 801b and the first side columns 801c on two sides form a U-shaped frame, the first roller 801d is connected between the two first side columns 801c, the first roller 801d penetrates through the first roller 401, and the second roller mounting frame 802 has the same structure, which is not described again. The structure of the roller mounting frame can be other forms, such as a roller arranged through an ear plate.

As shown in fig. 8, the lengths of the first reinforcing tube 501 and the second reinforcing tube 502 may be the same as or longer than the length of the corresponding wiper blade, the outer end of the reinforcing tube may extend out of the wiper blade or be exposed out of the outer end surface of the wiper blade, the bottom plate 801b of the roller mount may be provided with a first mounting shaft 801d, and the first mounting shaft 801d may be inserted into the corresponding reinforcing tube, so as to facilitate the mounting of the roller mount, but of course, it is also possible that the roller mount is directly fixed to the outer end of the wiper blade.

Referring to fig. 1 and 2, a connector 10 may be disposed on the top of the wiper blade mounting seat 20, the push-pull portion is connected to the connector 10, and the connector 10 provides a connection position for the push-pull portion, which is convenient for operation. The connector seat 10 can be arranged in the middle of the wiper blade mounting seat 20, and the force is more uniform when the wiper blade is pushed and pulled. The joint base 10 may be provided with a joint hole to be connected with the push-pull end of the electric push-pull rod 01 shown in fig. 1.

In addition, in order to ensure that the whole wiper portion has sufficient strength, the wiper blade mounting seat 20, the first sealing plate 201, the second sealing plate 202, the first roller mounting frame 801, the second roller mounting frame 802, the first spring mounting rod 701, the second spring mounting rod 702, the first reinforcing tube 501 and the second reinforcing tube 502 may be made of plastic or metal materials with high strength.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A self-adaptive external rearview mirror windscreen wiper is characterized by comprising a push-pull part and a wiper part, wherein the wiper part comprises a wiper blade mounting seat (20), a first wiper blade (301) and a second wiper blade (302), the first wiper blade (301) and the second wiper blade (302) are both mounted on the wiper blade mounting seat (20) in a sliding manner, a spring is arranged between the first wiper blade (301) and the second wiper blade (302) and the wiper blade mounting seat (20), and the first wiper blade (301) and the second wiper blade (302) extend out in opposite directions relative to the wiper blade mounting seat (20) under the action of the spring force and are pressed against two opposite sides of an external rearview mirror (100); the push-pull part is used for pushing and pulling the wiper part to scrape the mirror surface of the external rearview mirror.

2. The adaptive exterior mirror wiper of claim 1, wherein outer ends of said first wiper blade (301) and said second wiper blade (302) are respectively provided with a first roller (401) and a second roller (402), and when said wiper portion is moved by pushing and pulling said push-pull portion, said first roller (401) and said second roller (402) roll along a mirror frame (100a) of said exterior mirror (100).

3. The adaptive exterior mirror wiper of claim 1, wherein said first wiper blade (301) and said second wiper blade (302) are provided with a first slide hole and a second slide hole, respectively, said wiper section further comprising a first spring mounting rod (701) and a second spring mounting rod (702), a portion of said first spring mounting rod (701) and a portion of said second spring mounting rod (702) being inserted into said first slide hole and said second slide hole, respectively;

the spring comprises a first spring (601) and a second spring (602), wherein the first spring (601) and the second spring (602) are respectively sleeved with the first spring mounting rod (701) and the second spring mounting rod (702).

4. The adaptive exterior mirror wiper as defined in claim 3, wherein said wiper blade mount (20) has a wiper blade mounting groove into which said first wiper blade (301) and said second wiper blade (302) are inserted, a portion of one end of said wiper blade mounting groove corresponding to said first wiper blade (301) is closed or provided with a first sealing plate (201), and a portion of the other end corresponding to said second wiper blade (302) is closed or provided with a second sealing plate (202), and one end of said first spring (601) and one end of said second spring (602) are pressed against a corresponding portion of said wiper blade mount (20) which is closed or respectively pressed against said first sealing plate (201) and said second sealing plate (202).

5. The adaptive exterior mirror wiper of claim 4, wherein said wiper blade mounting groove is open at the bottom, two sides of said wiper blade mounting groove are bent inward to form a first bent edge (20a) and a second bent edge, respectively, and the sides of said first wiper blade (301) and said second wiper blade (302) form a first engaging groove and a second engaging groove, respectively, into which said first bent edge (20a) and said second bent edge are engaged, respectively.

6. The adaptive exterior mirror wiper blade according to claim 3, wherein said wiper portion further comprises a first reinforcing tube (501) and a second reinforcing tube (502), said first reinforcing tube (501) and said second reinforcing tube (502) are respectively inserted into said first sliding hole and said second sliding hole, and a portion of said first spring mounting rod (701) and a portion of said second spring mounting rod (702) are respectively inserted into said first reinforcing tube (501) and said second reinforcing tube (502).

7. The adaptive exterior mirror wiper of claim 6, wherein outer ends of said first wiper blade (301) and said second wiper blade (302) are respectively provided with a first roller (401) and a second roller (402), and when said wiper portion is moved by being pushed or pulled by said push-pull portion, said first roller (401) and said second roller (402) roll along a mirror frame (100a) of said exterior mirror (100);

the wiper portion further comprises a first roller mounting frame (801) and a second tube wheel mounting frame (802) which are used for mounting the first roller (401) and the second roller (402) respectively, the first roller mounting frame (801) and the second tube wheel mounting frame (802) respectively comprise a first mounting shaft (801a) and a second mounting shaft, and the first mounting shaft (801a) and the second mounting shaft are fixedly inserted into the first reinforcing tube (501) and the second reinforcing tube (502) respectively.

8. The adaptive exterior mirror wiper blade according to any one of claims 1 to 7, wherein said first wiper blade (301) and said second wiper blade (302) are arranged offset and at least partially overlap in a vertical sliding direction.

9. The adaptive exterior mirror wiper blade according to any one of claims 1 to 7, wherein a joint seat (10) is provided on a top of said wiper blade mount (20), and said push-pull portion is connected to said joint seat (10).

10. The adaptive exterior mirror wiper blade according to any one of claims 1 to 7, wherein said push-pull portion is a motorized push-pull rod (01).

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