TWM537233U - Waterproof lens - Google Patents

Description

Waterproof lens

This creation is about a waterproof lens. In detail, it is about a waterproof lens with good waterproof performance.

With the advancement of technology, photographic equipment is also becoming more and more sophisticated. In addition to pursuing high-resolution image quality, it is more desirable to have waterproof functions. Especially for photographic equipment used in vehicles, such as reversing cameras, the lens is usually equipped with a wind and rain outside the vehicle. Usually, this kind of waterproof lens will add a waterproof lens in front of the body to block the liquid from entering. However, this will change the design of the lens barrel and increase the volume, and the lens assembly position needs to be redesigned. In addition, it is more likely to add a lens. Will affect the light transmission and lead to poor imaging quality.

Therefore, the related fields are not actively involved in the development of waterproof lenses.

In view of the above-mentioned technical features and other objects, the present invention provides a waterproof lens, comprising: a lens barrel having a body, an outwardly extending portion extending from the body, and a receiving groove formed in the outer expansion portion; a ring is disposed in the receiving groove and formed with two protrusions; a first lens disposed in the lens barrel and having opposite first and second sides and adjacent to the first side and the second side The third side abuts the waterproof ring and the third side abuts against the inner wall of the outer expansion portion to enclose the waterproof ring in the receiving groove.

The waterproof lens includes a second lens disposed in the lens barrel and abutting against the first side of the first lens. The first lens has a notch adjacent the third side on the second side, and the third side of the first lens abuts against the inner wall such that the notch forms a groove with the inner wall.

The waterproof lens includes a fixing ring disposed in the groove, the fixing ring abutting the second side and the inner wall to sandwich the first lens between the fixing ring and the waterproof ring, wherein The retaining ring is fixed in the groove in a dispensing manner. Alternatively, the flared portion has an extension extending into the recess to sandwich the first lens between the extension and the waterproof ring, wherein the extension is filled in by hot melt In the groove.

a protrusion of the waterproof ring protrudes from the opening of the receiving groove, and the first lens is disposed in the lens barrel and abuts the outer protrusion to press the first side of the first lens to press the protrusion .

The two raised portions are formed along the radial direction of the waterproof ring. The two raised portions are the same size and separated by a distance, and each of the raised portions protrudes toward both sides of the waterproof ring.

The waterproof ring of the waterproof lens of the present invention has two convex portions, thereby improving the waterproof performance and reliability, and the lens barrel is provided with a receiving groove for accommodating the waterproof ring, so the accuracy of the lens assembly position is not affected. degree.

1‧‧‧ lens barrel

10‧‧‧ Ontology

11‧‧‧Extension

111‧‧‧ inner wall

112‧‧‧Extension

12‧‧‧ accommodating slots

121‧‧‧ openings

13‧‧‧ Groove

2‧‧‧Waterproof ring

21‧‧ ‧ raised parts

31‧‧‧ first lens

311‧‧‧ first side

312‧‧‧ second side

313‧‧‧ third side

314‧‧ ‧ gap

32‧‧‧second lens

4‧‧‧Fixed ring

1A and 1B are schematic views showing the structure of the waterproof lens of the present invention; and FIG. 2 is a partial enlarged view of the waterproof lens of the present invention.

The following is a description of the technical aspects of the present invention by a specific embodiment. Those skilled in the art can readily appreciate the other advantages and functions of the present invention as disclosed in the present specification, and can be implemented or applied by other different embodiments.

It is to be understood that the structure, the proportions, the size, the quantity, and the like of the drawings are only used to cope with the contents disclosed in the specification for the understanding and reading of those skilled in the art, and are not intended to limit the creation. The qualifications that can be implemented are not technically meaningful. Any modification of the structure, change of the proportional relationship or adjustment of the size should not fall under the influence of the creation and the purpose of the creation. Within the scope of the technical content disclosed in this creation.

Referring to FIG. 1A, the present disclosure discloses a waterproof lens including a lens barrel 1, a waterproof ring 2, a first lens 31, and a second lens 32. The waterproof lens shown in FIG. 1B further includes a fixing ring 4.

The lens barrel 1 has a body 10, an outwardly extending portion 11 extending from the body 10, and a receiving groove 12 provided in the flared portion 11. As shown in FIGS. 1A and 1B, the diameter of the outer expansion portion 11 is larger than the diameter of the body 10, and the body 10 is tapered from the left side to the right side of the drawing, but not limited thereto.

The waterproof ring 2 is received in the accommodating groove 12, and the waterproof ring 2 is formed with two convex portions 21. As shown in FIGS. 1A and 1B, each of the convex portions 21 is convex toward both sides of the waterproof ring 2, and the two convex portions 21 are sequentially formed along the radial direction of the waterproof ring 2, and the sizes are substantially the same and separated by a distance. It has a bimodal structure.

The first lens 31 is disposed in the lens barrel 1 and abuts against the outer expansion portion 11. The second lens 32 is disposed in the lens barrel 1 and abuts against the first side 311 of the first lens 31, and the first side of the first lens 31 311 abuts against the raised portion 21 of the waterproof ring 2, The waterproof ring 2 is enclosed in the accommodating groove 12. As shown in FIGS. 1A and 1B, the third side 313 of the first lens 31 abuts against the inner wall 111 of the outer expansion portion 11, so that the waterproof ring 2 can be substantially completely enclosed in the accommodating groove 12. Moreover, the present invention does not limit the number and arrangement of the lenses. As shown in FIGS. 1A and 1B, the waterproof lens may include a plurality of lenses. For example, the outermost one of the lens barrels 1 is the first lens 31, followed by The second lens 32.

Furthermore, referring to FIG. 2, when the waterproof ring 2 is disposed in the accommodating groove 12 and the first lens 31 is not provided, the convex portion 21 of the waterproof ring 2 is convex toward the first side 311 of the first lens 31. The first side 311 of the first lens 31 is disposed after the first lens 31 is disposed in the lens barrel 1 and the third side 33 thereof abuts against the inner wall 111. The convex portion 21 is pressed to slightly compress the convex portion 21 into the accommodating groove 12, and a waterproof structure can be formed.

In addition, the second side 312 of the first lens 31 has a notch 314 adjacent to the third side 313, and when the third side 313 of the first lens 31 abuts against the inner wall 111, the notch 314 and the inner wall 111 can form a concave surface. Slot 13. The flared portion 11 of the lens barrel 1 may include an extension portion 112 that is bent inwardly to fill the groove 13 to secure the first lens 31, wherein the extension portion 112 may be bent and filled, for example, by a hot melt method. Groove 13.

Referring again to FIG. 1B, the retaining ring 4 is disposed in the flared portion 11 of the lens barrel 1 and abuts against the second side 312 of the first lens 31 (which is formed opposite the first side 311 by the third side 313 Connected to the first side 311) to sandwich the first lens 31 between the fixed ring 4 and the second lens 32. As shown in FIG. 1B, the groove 13 is provided with the fixing ring 4, and then the dispensing operation is performed to enable the fixing ring 4 to It is disposed in the groove 13. The retaining ring 4 can assist in pressing the first lens 31 into the lens barrel 1 and abutting against the outer expansion portion 11.

In addition, in addition to the first lens 31 and the second lens 32 described above, the waterproof lens of the present invention includes other lenses in the lens barrel 1, as shown in FIGS. 1A and 1B, but the structure and the number thereof are Not limited to this.

In summary, the waterproof ring of the waterproof lens of the present invention has two convex portions, that is, a bimodal structure, so that the waterproof effect and reliability can be enhanced. In addition, the lens barrel of the waterproof lens of the present design has a receiving groove. In order to accommodate the waterproof ring, there is no influence on the accuracy of the lens assembly position. The waterproof lens of the present invention can be applied to a vehicle such as a reversing camera.

The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone who is familiar with the technology can modify and change the above embodiments without departing from the technical idea of the creation. Therefore, the scope of protection of this creation should be as listed in the scope of the patent application described later.

1‧‧‧ lens barrel

10‧‧‧ Ontology

11‧‧‧Extension

111‧‧‧ inner wall

112‧‧‧Extension

12‧‧‧ accommodating slots

13‧‧‧ Groove

2‧‧‧Waterproof ring

21‧‧ ‧ raised parts

31‧‧‧ first lens

311‧‧‧ first side

312‧‧‧ second side

313‧‧‧ third side

314‧‧ ‧ gap

32‧‧‧second lens

Claims (10)

A waterproof lens comprising: a lens barrel having a body, an outwardly extending portion extending from the body, and a receiving groove formed in the outer expansion portion; a waterproof ring received in the receiving groove and formed a second protrusion disposed in the lens barrel and having opposite first and second sides and a third side adjacent to the first side and the second side, the first side abutting The waterproof ring and the third side abut against the inner wall of the outer expansion portion to enclose the waterproof ring in the accommodating groove. The waterproof lens of claim 1, wherein the first lens has a notch adjacent to the third side on the second side, and the third side of the first lens abuts against the inner wall The notch forms a groove with the inner wall. The waterproof lens of claim 2, further comprising a fixing ring disposed in the groove, the fixing ring abutting the second side and the inner wall to clamp the first lens Between the retaining ring and the waterproof ring. The waterproof lens of claim 3, wherein the fixing ring is fixed in the groove in a dispensing manner. The waterproof lens of claim 2, wherein the flared portion has an extension that is filled in the recess to sandwich the first lens between the extension and the waterproof ring. The waterproof lens of claim 5, wherein the extension is filled in the groove by hot melt. The waterproof lens of claim 1, wherein the protrusion of the waterproof ring protrudes from the opening of the receiving groove, and the first lens is disposed in the lens barrel and abuts the outer expansion portion. The first side of the first lens is pressed against the raised portion. The waterproof lens of claim 1, wherein the two raised portions are the same size and separated by a distance. The waterproof lens according to claim 1, wherein the two convex portions are formed at intervals in a radial direction of the waterproof ring, and each of the convex portions is convex toward both sides of the waterproof ring. The waterproof lens of claim 1, further comprising a second lens disposed in the lens barrel and abutting against the first side of the first lens.