CN2319826Y

CN2319826Y - Lens assembly of diving cover

Info

Publication number: CN2319826Y
Application number: CN97229582U
Authority: CN
Inventors: 村松勉; 川岛春雄; 大西昭男
Original assignee: Tabata Co Ltd
Current assignee: Tabata Co Ltd
Priority date: 1996-12-27
Filing date: 1997-12-04
Publication date: 1999-05-19
Anticipated expiration: 2007-12-04
Also published as: JPH10186289A; TW354162U; KR19980055608U; KR200161044Y1

Abstract

The utility model relates to a lens assembly 6 for correcting eyesight, which comprises a transparent lens component 7 and a lens installing component 8 made of soft elastic materials. The utility model is characterized in that the peripheral surface 13 of the transparent lens component 7 is formed into a groove 14 which extends along the transparent lens component 7; the lens installing component 8 comprises an annular part 16 and a skirt part 17, wherein, the peripheral surface 13 of the transparent lens component 7 is tightly wrapped up by the annular part 16, and the skirt part 17 is integrally formed with the annular part 16; the skirt part 17 extends outwards through a radial direction from the annular part 16; the thickness of the lens assembly 6 for correcting eyesight is gradually reduced from the adjacent part of the peripheral surface of the transparent lens component between the groove 14 which is arranged on the transparent lens component 7 and an outer surface 12.

Description

The lens subassembly of diving cover

The utility model relates to the lens subassembly that is suitable for being contained on the diving cover front lens, can proofread and correct specific ducker's eyesight thus.

A kind of such lens subassembly is disclosed in Japanese Laid-Open Patent Application No.1984-224817.This prior art lens subassembly comprises a lens piece and an elastic ring piece, combines closely in the neighboring of this annular element and lens piece, and has the skirt section branch, and the inside surface that stretches to the front lens that constitutes a diving cover part from lens piece is divided in this skirt section.This lens subassembly itself constitutes a suction disk, can be fixed on the inside surface of front lens under vacuum action.

In the lens subassembly of above-mentioned prior art, the neighboring of lens piece is contained in the groove that is circumferentially formed on the annular element inner peripheral surface regularly.Configuration can cause inevitably and be difficult to clean lens spare like this, particularly is difficult to clean the near zone by the topped edge of elastic ring piece.Therefore the long-pending dust of going up has reduced visibility, and lens subassembly outward appearance after repeatedly using becomes ugly.Also be difficult to prevent the lens fog for this lens subassembly.Specifically be, when managing that lens piece is closely contacted with the inside surface of diving cover front lens, drive out of to avoid lens condensing during fog there being air between these two lens because of aqueous vapor, because of the annular element of topped lens piece neighboring is inserted between these two lens, thereby be difficult to make their tight contacts.

The purpose of this utility model provides a kind of lens subassembly of diving cover, and this lens subassembly makes the cleaning on inside and outside surface of correcting vision lens become convenient, helps making the correcting vision lens closely to contact with the inside surface of diving cover front lens simultaneously.

According to the utility model, adopt a kind of lens subassembly to achieve the above object, this lens subassembly removably is connected on the inside surface of the front lens that constitutes a diving cover part, thereby can proofread and correct the eyesight of dressing the people when diving or swimming.

The utility model lens subassembly is characterised in that this lens subassembly comprises transparent lens subassembly and lens mount, and this lens mount is suitable for combining with the outer surface of lens subassembly and makes lens piece can be fixed on the front lens inside surface; This lens piece have with the front lens opposed outer surface, away from outside surface with the outer surface that extends along the lens piece periphery of dressing human face's interior surface opposing and being connected this inside and outside surface, have a groove that extends along the lens piece periphery on this outer surface; Lens mount is molded with soft elastic material, comprise annular section and skirt section, this annular section extends along the outer surface of lens piece, around this lens piece and with its tight contact, this skirt section is divided with annular section Unitarily molded, wherein be suitable for the rib that combines with groove on the lens piece forming one on the inwall of annular section, and this skirt section branch extends radially outwardly from annular section, the thickness that the skirt section is divided begins to reduce gradually from the neighboring region at the groove of lens piece and the lens piece outer surface between the appearance, thereby can make the remote edge of skirt section branch and the inside surface of front lens form the Elastic Contact condition.

According to a best embodiment of the present utility model, the end surfaces in the face of the wearer face of lens mount annular section is so shaped that this end surfaces inside extends not more than the inside surface of lens piece.

Fig. 1 is a skeleton view, and the lens subassembly that is contained on the diving cover is shown;

Fig. 2 is a skeleton view, and lens subassembly is shown separately;

Fig. 3 is the partial section of lens subassembly, and a part is cut among the figure;

Fig. 4 is a partial section, and the modified example of the utility model lens subassembly that is contained on the diving cover is shown.

Describe preferred embodiment with reference to the accompanying drawings in detail, can know the details of understanding lens subassembly of the present utility model thus.

Fig. 1 is a skeleton view, and the diving cover of seeing from behind 1 is shown.Thereby diving cover 1 comprises front lens 2, is pasting the skirt section 3 of dressing the human face, the framework 4 that is used for whole fixedly front lens 2 and skirt section 3 and extend back from framework 4 and can surround the headband 5 of dressing the head part.Lens subassembly shown in the figure 6, this assembly 6 is contained on the inside surface of front lens 2, is positioned at substantially to aim at the position of dressing people's right eye.Should be understood that a pair of lens subassembly 6 of common use, align with the right side, the left eye of dressing the people respectively.

Fig. 2 and 3 illustrates the skeleton view of lens subassembly 6 respectively and clips the side view of a part.Lens subassembly 6 comprises lens piece of doing with transparent plastic 7 and the lens mount of doing with soft silicon rubber 8.

Lens piece 7 is molded tablets of disc, has facing to the outside surface 12 of front lens 2 inside surfaces of diving cover 1 part to put on cover 1 o'clock facing to the inside surface of dressing the human face and the outer surface 13 around lens piece 7 that connects outside surface 12 and inside surface 11.Although inside surface 11 and outside surface 12 all need to reach the local curved surface that forms to proofread and correct or to compensate specific wearing people's eyesight, are simplified illustration, these

surfaces

11,12 are shown the plane in the drawings.Has the groove 14 that extends along lens piece 7 peripheries on the outer surface 13.

Lens mount 8 is 13 annular extensions along the neighboring, surround lens piece 7.Fabricated section 8 comprises that annular section 16 and skirt section divide 17, and this annular section 16 has in abutting connection with the outer end 16A of front lens 2 with in abutting connection with the inner 16B that dresses the human face, and this skirt section divides the 17 outer end 16A from annular section 16 to extend radially outwardly the inside surface of the lens 2 that reach out.Form on the internal perisporium of this annular section 16 and be suitable for the rib 18 that engages with the groove 14 of lens piece 7.With reference to figure 3, the internal perisporium of fabricated section 8 vertically is divided into upper and lower

internal perisporium

21 and 22 by rib 18.The inner 16B of annular section 16 is formed on corresponding between the plane of the inside surface 11 of lens piece 7 and the top water planomural corresponding to the groove 14 of lens piece 7.End surfaces 15 is facing to the face of wearer, this surface extend internally (extend on the top to Fig. 3) be no more than the plane of inside surface 11.The outer end 16A of annular section 16 is only at the regional upper support lens piece 7 between lens piece 7 grooves, 14 lower horizontal walls and outside surface 12, and do not have topped above-mentioned outside surface 12.

Like this molded lens fabricated section 8, make at least rib 18 can with groove 14 airtight joints, any one wall in the

internal perisporium part

21,22 can be pressed against on the outer surface 13 of lens piece 7 airtightly.Fabricated section 8 also so is shaped, and makes that lens subassembly 6 can be fixed on the front lens under vacuum action as the suction dish when being pressed against on the inside surface of front lens 2 at the edge 27 that the skirt section is divided 17.

Fig. 4 is a partial section, and an embodiment in the utility model preferred embodiment is shown.The lens subassembly 6 of the utility model shown in the figure is fixed on the inside surface of front lens 2, and the outer end 16A of annular section 16 compares the groove 14 of more close lens piece 7 with the embodiment of Fig. 3.This lens subassembly 6 is configured to stay unappropriated space 20 between outer end 16A and front lens 2, this space helps making the inside surface of lens piece 7 near front lens 2.For the benefit of this close, the skirt section divides 17 to have sizable extension, and this skirt section divides 17 to be fitted on the inside surface of front lens 2 in vacuum action by this extension.Utilize a kind of like this configuration also to help the inside surface of close front lens 2, promptly the skirt section divides 17 close ends from rib 18 to extend, and makes subsequently and does not form lower inner peripheral surface 22 on the annular section 16.

Lens subassembly of the present utility model allows the whole zone on the inside and outside surface of clean lens spare up hill and dale and is not subjected to the obstruction of lens mount, because the inside and outside surface of lens piece is all not topped by lens mount.And be not subjected to the inside surface that the topped outside surface of lens mount can closely contact front lens.Like this, just, can prevent lens piece and front lens during using diving cover because of the moisture fog.

The disclosure of the Japanese patent application No.8-350780 that proposes on Dec 27th, 1996 comprises that instructions, claims, accompanying drawing and summary all entirely are included in herein as a reference.

Though embodiment with reference to the accompanying drawings illustrates the utility model, our suggestion is that the utility model is not limited to any details of this explanation, and can only explain the utility model widely in the spirit and scope of appended claims explanation.

Claims

1. lens subassembly removably is contained on the front lens inside surface that constitutes a diving cover part, thereby people's eyesight is dressed in calibration during diving and swimming, and this lens subassembly is characterised in that:

Lens subassembly comprises transparent lens piece and lens mount, and this fabricated section is suitable for engaging with the outer surface of lens subassembly, thereby lens piece can be fixed on the inside surface of front lens;

Lens piece has: with the front lens opposed outer surface, away from above-mentioned outside surface and facing to the inside surface of wearer face and the outer surface along the extension of lens piece periphery that is connected this inside and outside surface, form the groove that extends along the lens piece periphery on this outer surface;

Lens mount is molded with soft elastic material, comprise annular section and skirt section branch, this annular section closely contacts with the above-mentioned outer surface of lens piece, thereby encirclement said lens part, this skirt section is divided with annular section Unitarily molded, wherein, on the inwall of annular section, form the rib that is suitable for the lens piece fillister joint, and the skirt section branch extends radially outwardly from annular section, and its thickness begins to reduce gradually from the neighbouring part at the groove of lens piece and the lens piece outer surface between the outside surface, thereby makes the remote edge of skirt section branch and the inside surface of front lens form the Elastic Contact condition.

2. lens subassembly as claimed in claim 1 is characterized in that, the end surfaces facing to dressing the human face of lens mount annular section is shaped as, and this end surfaces extends internally and is no more than the inside surface of lens piece.