CN217081424U - Sealing structure of frameless external rearview mirror - Google Patents
Sealing structure of frameless external rearview mirror Download PDFInfo
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- CN217081424U CN217081424U CN202122926938.4U CN202122926938U CN217081424U CN 217081424 U CN217081424 U CN 217081424U CN 202122926938 U CN202122926938 U CN 202122926938U CN 217081424 U CN217081424 U CN 217081424U
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The utility model relates to a seal structure of no frame outside rear-view mirror sets up in the trompil department of mirror shell, seals the clearance between mirror shell and the mirror foot, and seal structure includes sealing member, sealing flange and presses the cover, and the sealing member can be dismantled with the mirror foot and be connected, and forms labyrinth seal structure between sealing member and the mirror foot, and sealing flange is soft materials, and on sealing flange's lip limit was fixed in the sealing member, sealing flange's flat pad portion was fixed on the mirror shell through pressing the cover, connects the lip limit has great flexible volume for the wave connector of folding formation repeatedly with the fold portion of flat pad portion, sealing flange makes seal structure form elastic connection between mirror shell and mirror foot. The utility model discloses a seal structure, no matter when static or when the camera lens rotates around the mirror foot, elastic seal structure all has better sealed effect than rigid structure, prevents effectively that wind from pouring into the camera lens and causing wind to make an uproar and prevent that rainwater, dust from getting into the camera lens and influencing its normal work.
Description
Technical Field
The utility model relates to an automobile rearview mirror makes technical field, especially relates to a seal structure of no frame outside rear-view mirror.
Background
The outer rearview mirrors are positioned outside the left side and the right side of the automobile body and are necessary parts for the safe driving of the automobile. The exterior mirror includes a mirror foot fixed to a vehicle body and a lens connected to the mirror foot, and the lens generally refers to a portion that has a mirror case, a mirror reflecting member, a driver, and the like and can be folded around the mirror foot. Usually, the mirror foot extends into the mirror shell from the trompil of mirror shell and links to each other with the camera lens part, in order to prevent in rainwater, wind or the dust entering camera lens, causes wind noise or influences its normal work, sets up seal structure in the trompil department of mirror shell.
In the prior art, some sealing methods are to fix a circle of soft glue on the glasses legs to contact with the lens and seal the gap between the folding surfaces. When the lens is folded around the lens legs, the lens and the lens legs rotate relatively, friction force can enable soft rubber on the lens legs to shift after multiple relative movements between the lens and the lens legs, abnormal sound is generated, and even the lens extrudes the soft rubber for multiple times, the soft rubber can be fatigue-broken and fails. Also, some other conventional sealing structures are not suitable for rimless exterior rear view mirrors.
SUMMERY OF THE UTILITY MODEL
To above-mentioned prior art's shortcoming or not enough, the utility model provides a seal structure of no frame outside rear-view mirror for elastic seal structure, under the sound attitude condition, all keep the same sealed effect.
In order to solve the above technical problem, the utility model discloses have following constitution:
the sealing structure of the frameless outside rearview mirror is arranged at the opening of the mirror shell and used for sealing a gap between the mirror shell and the mirror leg, the sealing structure comprises a sealing piece, a sealing flange and a pressing sleeve, the sealing piece is detachably connected with the mirror leg, and a labyrinth sealing structure is formed between the sealing piece and the mirror leg; the sealing flange is made of soft materials, the lip edge of the sealing flange is fixed on the sealing element, the flat pad part of the sealing flange is fixed on the mirror shell through the pressing sleeve, the lip edge and the corrugated part of the flat pad part are connected through a wave-shaped connector formed by repeated folding, the wave-shaped connector has large expansion amount, and the sealing flange enables the sealing structure to form elastic connection between the mirror shell and the mirror foot.
The sealing element is specifically a sealing ring, the sealing ring is connected with a pin shaft fixed on the glasses leg, the sealing ring is a short shaft sleeve with a flange edge, a stepped through hole is arranged inside the sealing ring, a small-diameter inner hole of the stepped through hole is sleeved on the pin shaft and is in clearance fit with the neck of the pin shaft, and a large-diameter inner hole of the stepped through hole is sleeved outside a ferrule of a support shield of the glasses leg. In the central axial direction of the sealing ring, the bottom surface of the large-diameter inner hole contacts with the upper end surface of the sleeve, the upper end surface of the sealing ring contacts with the shaft shoulder of the pin shaft, the sealing ring is limited between the pin shaft and the support shield, a labyrinth seal is formed by a stepped through hole of the sealing ring and a gap between the support shield and the pin shaft, and the sealing flange is sleeved and fixed outside the sealing ring.
The sealing ring is made of engineering plastics and is formed by injection molding, the sealing flange is made of rubber, and the sealing ring and the sealing flange are connected into a whole through secondary injection molding.
The sealing ring is connected with the sealing flange by a binding belt.
The corresponding positions of the pressing sleeve, the sealing flange and the mirror shell are all provided with fixing parts, the fixing parts are small round columns protruding on all parts, cavities are formed in the small round columns of the pressing sleeve and the sealing flange, threaded holes are formed in the small round columns on the mirror shell, and the pressing sleeve and the sealing flange are fixed on the mirror shell through fasteners after the fixing parts of the pressing sleeve, the sealing flange and the mirror shell are sleeved from top to bottom.
The pressing sleeve is made of engineering plastics.
The shape of the flat pad portion of the sealing flange and the shape of the press sleeve are determined in accordance with the shape of the inner surface of the mirror housing.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a seal structure of no frame outside rear-view mirror, no matter when static or when the camera lens rotates around the mirror foot, elastic seal structure all has better sealed effect than rigid structure, effectively prevents that wind from pouring into the camera lens and causing wind to make an uproar with prevent that rainwater, dust from getting into the camera lens and influencing its normal work. In addition, any part in the sealing structure is not displaced or is not subjected to fatigue fracture due to repeated friction force, so that the sealing structure is better in fatigue resistance, and is safer and more reliable.
Drawings
FIG. 1: a perspective view of the frameless external rearview mirror;
FIG. 2: a perspective view of a sealing structure of the frameless exterior mirror;
FIG. 3: fig. 1 is a cross-sectional view of the a-structure.
Detailed Description
The conception, the specific structure and the technical effects produced by the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
As shown in fig. 1, the sealing structure of the frameless outer rear view mirror of the present invention is disposed at the opening of the mirror housing 350, and seals the gap between the mirror housing 350 and the mirror foot.
The utility model discloses a seal structure of no frame outside rear-view mirror includes sealing member, sealing flange 420 and presses cover 430. Seal for a motor vehicle
The piece and the mirror foot are detachably connected, and a labyrinth seal structure is formed between the sealing piece and the mirror foot. The sealing flange 420 is made of soft material, the lip 421 of the sealing flange 420 is fixed on the sealing element, the flat pad part 422 of the sealing flange 420 is flatly paved on the inner surface of the mirror shell 350 and is fixed in the mirror shell 350 through the pressing sleeve 430, and the corrugated part 423 connecting the lip 421 and the flat pad part 422 is a wave-shaped connector formed by repeated folding, so that the sealing flange 420 has large expansion and contraction amount, and the sealing structure forms elastic connection between the mirror shell 350 and the mirror foot through the sealing flange 420.
Fig. 2 and 3 show an embodiment of the present invention.
In this embodiment, the sealing element is specifically a sealing ring 410, and the sealing ring 410 is connected to a pin 210 fixed on the temple. The sealing ring 410 is a short shaft sleeve with a flange edge, a stepped through hole is arranged inside the short shaft sleeve, a small-diameter inner hole of the stepped through hole is sleeved on the pin shaft 210 and is in clearance fit with the neck 213 of the pin shaft 210, and a large-diameter inner hole of the stepped through hole is sleeved outside a ferrule 521 of a support shield 520 of the earpiece. In the central axial direction of the sealing ring 410, the bottom surface of the large-diameter inner hole contacts the upper end surface of the ferrule 521, the upper end surface of the sealing ring 410 contacts the shaft shoulder of the pin shaft 210, and the sealing ring 410 is limited between the pin shaft 210 and the support shield 520. Thus, the stepped through bore of seal ring 410 forms a labyrinth seal with the gap between support shield 520 and pin 210.
The lip 421 of the sealing flange 420 is fitted over and fixed to the outside of the sealing ring 410.
The sealing ring 410 is preferably made of engineering plastics and is formed by injection molding, the sealing flange 420 is made of rubber, and the sealing ring 410 and the sealing flange 420 are connected into a whole through secondary injection molding.
As another example, the sealing ring 410 and the sealing flange 420 may be connected using a tie.
As shown in fig. 2, the fixing structure of the sealing flange 420 is: the corresponding positions of the pressing sleeve 430, the sealing flange 420 and the mirror shell 350 are all provided with fixing parts 440, the fixing parts 440 are small round columns protruding on all parts, cavities are formed in the small round columns of the pressing sleeve 430 and the sealing flange 420, threaded holes are formed in the small round columns on the mirror shell 350, and after the fixing parts 440 of the pressing sleeve 430, the sealing flange 420 and the mirror shell 350 are sleeved from top to bottom, the pressing sleeve 430 and the sealing flange 420 are fixed on the mirror shell 350 through fasteners.
Further, the shape of the flat pad portion 422 of the sealing flange 420 and the shape of the pressing sleeve 430 are changed according to the shape of the inner surface of the mirror housing 350, so that the three portions can be tightly adhered to each other to better ensure the sealing effect.
The material of the pressing sleeve 430 is preferably engineering plastic.
In the sealing structure of the embodiment, when the lens part of the frameless external rearview mirror is folded around the pin shaft 210, the sealing ring 410 is in clearance fit with the pin shaft 210, so that the sealing structure is folded and rotates along with the mirror shell 350, and the labyrinth seal formed between the sealing ring 410 and the pin shaft 210 and the sealing flange 420 are not influenced in the rotation process of the lens component; when the lens is turned up and down, the mirror shell 350 is also turned up or down, one side of the folded part 423 of the sealing flange 420 is pulled apart and the other side is pressed along with the action of the mirror shell 350, and when the mirror shell 350 returns to the initial position, the sealing flange 420 returns to the initial state; when the lens is turned left and right, the mirror housing 350 is twisted left and right, the sealing flange 420 is pulled to be twisted, and when the mirror housing 350 returns to the initial position, the sealing flange 420 returns to the initial state. In the dynamic process, the sealing flange 420 can elastically change along with the movement of the lens, has larger expansion amount, and fully embodies the advantage of elastic connection of the sealing flange 420, namely the sealing structure always keeps the same good sealing effect as that of the static sealing structure.
In addition to the above embodiments, if the connecting member between the lens and the temple is not a shaft-like member, but a member having another shape, the structure of the sealing member needs to be changed according to the member of the temple to which the connecting member is connected, as long as the sealing property after the connecting member and the temple are connected is ensured. The structure, material, etc. of the sealing flange 420 and the pressing sleeve 430 in the above embodiments, and the sealing principle are all applicable to other embodiments.
To sum up, the utility model discloses a seal structure of no frame outside rear-view mirror, no matter when static or when the camera lens rotates around the mirror foot, elastic seal structure all has better sealed effect than rigid structure, effectively prevents that wind from pouring into the camera lens and causes wind to make an uproar with prevent that rainwater, dust from getting into the camera lens and influencing its normal work. In addition, any part in the sealing structure is not displaced or is not subjected to fatigue fracture due to repeated friction force, so that the sealing structure is better in fatigue resistance, and is safer and more reliable.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all shall fall within the scope of the claims of the present invention.
Claims (7)
1. A sealing structure of a frameless external rearview mirror is arranged at an opening of a mirror shell (350) and seals a gap between the mirror shell (350) and a mirror foot, and is characterized in that,
the sealing structure comprises a sealing piece, a sealing flange (420) and a pressing sleeve (430), the sealing piece is detachably connected with the earpiece, and a labyrinth sealing structure is formed between the sealing piece and the earpiece; the sealing flange (420) is made of soft materials, a lip edge (421) of the sealing flange (420) is fixed on the sealing element, a flat pad part (422) of the sealing flange (420) is fixed on the mirror shell (350) through the pressing sleeve (430), a corrugated part (423) connecting the lip edge (421) and the flat pad part (422) is a wave-shaped connector formed by repeated folding, the corrugated connector has large expansion and contraction quantity, and the sealing flange (420) enables the sealing structure to form elastic connection between the mirror shell (350) and the mirror foot.
2. The seal structure of frameless exterior rear view mirror according to claim 1, wherein the seal member is a seal ring (410), the seal ring (410) is connected to a pin (210) fixed to the mirror foot, the seal ring (410) is a short sleeve having a flange edge, and has a stepped through hole therein, a small-diameter inner hole of the stepped through hole is fitted over the pin (210) and is in clearance fit with a neck (213) of the pin (210), a large-diameter inner hole of the stepped through hole is fitted over a collar (521) of a mount shield (520) of the mirror foot, and a bottom surface of the large-diameter inner hole contacts an upper end surface of the collar (521) in a central axial direction of the seal ring (410), an upper end surface of the seal ring (410) contacts a shoulder of the pin (210), the seal ring (410) is confined between the pin (210) and the mount shield (520), the stepped through hole of the sealing ring (410) and the gap between the support shield (520) and the pin shaft (210) form a labyrinth seal, and the sealing flange (420) is sleeved and fixed outside the sealing ring (410).
3. The seal structure of the frameless exterior mirror defined in claim 2, wherein the seal ring (410) is made of engineering plastic and is formed by injection molding, the seal flange (420) is made of rubber, and the seal ring (410) and the seal flange (420) are connected into a whole by secondary injection molding.
4. The sealing structure of frameless exterior rear view mirror according to claim 2, wherein the sealing ring (410) and the sealing flange (420) are connected by a band.
5. The seal structure of frameless exterior mirror according to claim 1, wherein fixing portions (440) are disposed at corresponding positions of the pressing sleeve (430), the sealing flange (420) and the mirror housing (350), the fixing portions (440) are small cylinders protruding from each part, a cavity is formed in each of the small cylinders of the pressing sleeve (430) and the sealing flange (420), threaded holes are formed in each of the small cylinders of the mirror housing (350), and the pressing sleeve (430) and the sealing flange (420) and the fixing portions (440) of the mirror housing (350) are fixed to the mirror housing (350) by fasteners after the pressing sleeve (430), the sealing flange (420) and the fixing portions (440) of the mirror housing (350) are assembled from top to bottom.
6. The sealing structure of the frameless exterior mirror defined in claim 1, wherein the press sleeve (430) is made of engineering plastic.
7. The sealing structure of the frameless exterior rear view mirror according to claim 1, wherein the shape of the flat pad portion (422) of the sealing flange (420) and the shape of the press sleeve (430) are determined according to the shape of the inner surface of the mirror housing (350).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122926938.4U CN217081424U (en) | 2021-11-25 | 2021-11-25 | Sealing structure of frameless external rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122926938.4U CN217081424U (en) | 2021-11-25 | 2021-11-25 | Sealing structure of frameless external rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217081424U true CN217081424U (en) | 2022-07-29 |
Family
ID=82539538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122926938.4U Active CN217081424U (en) | 2021-11-25 | 2021-11-25 | Sealing structure of frameless external rearview mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217081424U (en) |
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2021
- 2021-11-25 CN CN202122926938.4U patent/CN217081424U/en active Active
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