JP3236069U - Mobile loupe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable loupe which is hard to be scratched on a lens and is excellent in appealing high transferability in injection molding.
SOLUTION: A portable loupe is a portable loupe in which characters and the like can be magnified and viewed by making a lens body 30 housed in a case pop out. The circular recess 35a on the front side of the central part of the main body is mirror-finished on the lens body 30, and the Fresnel lens surface 41 having a height that fits in the recess is transferred to the circular recess 35b on the rear surface side and arranged around the lens body 30. The triangular peripheral recesses 36a to 39a are formed with grain, and the peripheral recesses 40a are formed with precision machined surfaces corresponding to holograms. The lens is not easily scratched and can be used as a medium that appeals high transferability in injection molding such as Fresnel lens, grain, and hologram.
[Selection diagram] FIG. 4

Description

The present invention relates to a portable loupe, and more particularly to a portable loupe that is excellent in appealing precision processing technology in injection molding.

Conventionally, a flat rectangular parallelepiped lens frame having a flat rectangular parallelepiped shape holding the outer peripheral edge of a convex lens is provided with a pair of slide covers so as to sandwich the lens frame from both sides in the radial direction of the lens (Patent Document 1), or an elongated tubular type. A lipstick case-shaped container containing an elongated plate-shaped biconvex lens (Patent Document 2), or a gourd-shaped lens body stored in the gap between a pair of upper and lower support pieces. Proposals for portable loupes such as Patent Document 3) have been made.

JP-A-2000-284191 (FIGS. 1, FIG. 4, FIG. 5) Utility model registration No. 3185590 (Fig. 2) Utility model registration No. 3173371 (Fig. 1)

As a result of using a convex lens, these conventional portable loupes have some points to be improved as a portable loupe, such as an increase in thickness or a decrease in magnification as the size is reduced. There is also a problem that if the gap between the case and the lens is made small for miniaturization, scratches due to rubbing are likely to occur when the lens is taken in and out. In addition, the conventional portable loupe is not intended to have a function of appealing technical capabilities by distributing it as an amenity product, for example.

An object of the present invention is to provide a portable loupe that does not easily scratch the lens and is excellent in appealing high transferability in injection molding.

The portable loupe of the present invention made to achieve the above object is composed of a case and a lens body housed in the case, and the lens body is made to protrude from the case so that the lens body can be formed. It is a portable loupe that allows characters and the like to be magnified and viewed through the camera, and is characterized by having the following configuration.
(1A) The case includes a front plate portion and a rear plate portion that is in an inverted state with respect to the front plate portion, and the roots of the front plate portion and the rear plate portion are connected to each other by a thin band portion. The front member having a shape, the thin-walled band portion is bent, and the front plate portion and the rear plate portion are coupled to each other in a state of being overlapped back and forth so as to form a gap at a predetermined interval. It shall be composed of a plastic molded body formed on the inner surface side of the plate portion and the rear plate portion.
(1B) The lens body has a thickness that can be accommodated in the gap, and is substantially covered by the front plate portion and the rear plate portion, and faces sideways from one side of the main body portion. It is provided with a knob portion that is projected so as to be assembled to the case so that the base of the main body portion is pivotally supported in the gap.
(1C) In the lens body, a circular recess recessed from the front-rear direction is formed in the central portion of the main body portion, and one surface of the circular recess is mirror-finished and a Fresnel lens surface is transferred to the other surface. It must be composed of a transparent plastic molded body.

According to the portable loupe of the present invention, a circular recess recessed from the front-rear direction is formed in the central portion of the main body of the lens body, and one surface of the circular recess is mirror-finished and a Fresnel lens surface is formed on the other surface. Since it is composed of the transferred transparent plastic molded body, the circular recessed portion does not come into contact with the inner surface of the case when the lens body is taken in and out of the case, and the lens is not easily scratched. Further, a lens body having a mirror finish on one surface and a circular recess in which a Fresnel lens surface is transferred to the other surface can appeal high transferability in injection molding.

Here, the portable loupe of the present invention may further include the following configurations.
(2A) At the bases of the front plate portion and the rear plate portion, a cylindrical member and a cylindrical member that are fitted to each other so as to form a shaft portion that rotatably supports the base portion of the lens body are formed. Being projected so as to be a pair.
(2B) The inner surface member shall be formed so as to be located only on one of the left and right sides of the front plate portion and the rear plate portion in a state where the case is assembled.
(2C) The lens body is assembled to the case so that the knob portion is located on the left and right other sides where the inner surface member is not formed.

According to the portable loupe having such a configuration, the base portion of the lens body is rotatably and firmly pivotally supported with respect to the case, and the knob portion is pinched to easily rotate the lens body into a state of being popped out of the case. On the contrary, when it is stored in the case, the inner surface member located on only one side of the left and right prevents it from popping out to the other side.

These portable loupes of the present invention may further include the following configurations.
(3A) The lens body is formed with a protrusion protruding from the surface of the main body portion in the front-rear direction.
(3B) The front and rear protrusions are formed so that the length from the front end to the rear end thereof is slightly larger than the gap between the gaps.

According to the portable loupe that also has such a configuration, when the lens body is stored in the case, the protrusion of the lens body is slightly in contact with the inner surface of the case and is sandwiched, and the lens body stored in the case is carelessly placed. Prevent it from popping out.

These portable loupes of the present invention may further include the following configurations.
(4A) In the main body of the lens body, a peripheral recess that is recessed from the front-rear direction is formed so as to be located around the circular recess, and one surface of the peripheral recess is mirror-finished and the other surface is formed. The predetermined precision molded surface formed on the mold by precision processing technology is transferred to.
(4B) The case is formed with a peripheral window that allows the peripheral recess to be visually recognized when the lens body is housed.

In this case, it can be further provided with the following configurations.
(5A) The lens body is provided with a plurality of the peripheral recesses, one of the plurality of peripheral recesses has a precision molded surface corresponding to a grain, and the other one has a precision molded surface corresponding to a hologram. The surface is formed.
(5B) The case is formed with a plurality of peripheral windows in which the plurality of peripheral recesses can be visually recognized in a state where the lens body is housed.

In this way, it is possible to appeal the high transferability in injection molding such as Fresnel lens, grain, and hologram.

According to the present invention, it is possible to provide a portable loupe that does not easily scratch the lens and is excellent in appealing high transferability in injection molding.

The lens of the portable loupe of Example 1 is shown in an open state, (A) is a perspective view, (B) is a front view, and (C) is a rear view. The lens of the portable loupe of Example 1 is shown in a closed state, (A) is a perspective view, (B) is a front view, (C) is a rear view, (D) is a plan view, and (E) is a bottom view. (F) is a left side view, and (G) is a right side view. The case of the portable loupe of Example 1 is shown, (A) is the front view of the expanded state, (B) is the rear view of the expanded state, (C) is the cross-sectional view of aa, (D) is the sectional view of bb. , (E) is a front view, (F) is a rear view, and (G) is a cc sectional view. The lens body of the portable loupe of Example 1 is shown, (A) is a front view, (B) is a rear view, (C) is a dd cross-sectional view, (D) is an enlarged cross-sectional view of a Fresnel lens, (E). Is a perspective view. The lens body of the portable loupe of Example 1 is shown, (A) is an explanatory diagram showing the operation of a lens, and (B) is an explanatory diagram showing a construction state of various precision processing techniques.

Hereinafter, embodiments for carrying out the present invention will be described with reference to examples.

As shown in FIGS. 1 and 2, the portable loupe 1 of the first embodiment is composed of a case 10 and a lens body 30 housed in the case 10, and the lens body 30 is projected from the case 10. , Characters and the like can be magnified and viewed through the lens body 30. Here, the case 10 and the lens body 30 are each manufactured by integral molding by injection molding. As the material of the lens body 30, a transparent plastic such as COP resin or polycarbonate is used.

As shown in FIGS. 3A to 3D, the case 10 includes a front plate portion 11 and a rear plate portion 21 that is in an inverted state with respect to the front plate portion 11, and the front plate portion 11 and the rear plate portion 11 are provided. It has a developed shape in which the roots of the portions 21 are connected by a thin band portion 13, and dowel holes 14 and 15 are provided on the inner surface side of the front plate portion 11, and doweled protrusions 24 and 25 are provided on the inner surface side of the rear plate portion 21. They are formed in pairs of positions. Further, a columnar protrusion 16 is formed at the root portion of the front plate portion 11, and a cylindrical protrusion 26 is formed at the root portion of the rear plate portion 21 so as to be paired. Further, columnar protrusions 27 and 28 are projected between the doweled protrusions 24 and 25 of the rear plate portion 21. These doweled protrusions 24, 25 and columnar protrusions 27, 28 are formed only on the right side surface in the front view, and no protrusions are formed on the left side surface in the front view.

In the case 10, as shown in FIGS. 3 (E) to 3 (G), the thin-walled band portion 13 is bent, and the front plate portion 11 and the rear plate portion 21 are moved back and forth so as to form a gap at a predetermined interval between them. When the columnar protrusions 16 and the cylindrical protrusions 26 are overlapped with each other, the dowel holes 14 and 15 and the doweled protrusions 24 and 25 are in a fitted state. At this time, the columnar protrusions 27 and 28 are in contact with the back surface of the front plate portion 11.

As shown in FIGS. 4A to 4C, the lens body 30 has a thickness that can be accommodated in the gap formed in the case 10, and is substantially covered by the front plate portion 11 and the rear plate portion 21. A star-shaped main body portion 31 and a knob portion 32 projecting outward from the left side of the main body portion 31 are provided, and a cylindrical protrusion 26 of the case 10 is inserted through the base portion 33 of the main body portion 31. A circular hole 34 having a diameter to be obtained is penetrated.

Further, in the lens body 30, circular recesses 35a and 35b recessed from the front-rear direction are formed in the central portion of the main body portion 31, and the circular recess 35a on the front surface side is mirror-finished and the circular recess 35b on the rear surface side is formed. Is transferred at a height at which the Fresnel lens surface 41 as shown in FIG. 4 (D) fits in the recess 35b at the time of injection molding. Further, around the circular recesses 35a and 35b, triangular peripheral recesses 36a, 36b to 40a and 40b recessed from the front-rear direction are formed. Here, the peripheral dents 36b to 40b on the rear surface side are mirror-finished. On the other hand, on the front side, as shown in FIG. 4 (E), the four peripheral recesses 36a to 39a have the precision molded surface corresponding to the grain, and the other peripheral recess 40a has the precision molded surface corresponding to the hologram. Each has been transcribed. As shown in FIG. 3, the case 10 is formed with triangular windows 19 and 29 for visually recognizing the peripheral dents to which the grain and the hologram are applied at the positions corresponding to the peripheral dents 36a to 40a.

As shown in FIGS. 4A to 4C, the lens body 30 is further formed with protrusions 42a and 42b protruding from the front surface of the main body 31 in the front-rear direction, and is projected on the back surface side. Articles 43 and 44 are formed. The front and rear protrusions 42a and 42b are formed so that the length from the front end to the rear end thereof is slightly larger than the distance between the gaps formed in the case 10. As a result, when the lens body 30 is housed in the case 10, the protrusions 42a and 42b are in a state of being lightly abutted against the inner surface of the case and sandwiched. Further, the ridges 43 and 44 prevent the back surface of the lens body 30 from coming into contact with the inner surface of the case 10.

According to the portable loupe 1 of the present embodiment, circular recesses 35a and 35b recessed from the front-rear direction are formed in the central portion of the main body 31 of the lens body 30, and the circular recesses 35a on the front side are mirror-finished and the rear surface is finished. Since it is composed of a transparent plastic molded body to which the Fresnel lens surface 41 having a height that fits in the circular recess 35b on the side is transferred, the portions of the circular recesses 35a and 35b are the parts of the case 10 when the lens body 30 is taken in and out of the case 10. It does not touch the inner surface and the lens is not easily scratched. Further, the lens body 30 having a mirror finish on one surface and a circular recess in which the Fresnel lens surface is transferred to the other surface can appeal high transferability in injection molding.

Further, according to the portable loupe 1 of the present embodiment, the base portion 33 of the lens body 30 is rotatably and firmly pivotally supported with respect to the case, and the knob portion 32 is pinched and easily popped out of the case 10. The inner surface members (protrusions with dowels 24, 25, columnar protrusions 27, 28) located only on the right side when stored in the case 10 prevent them from jumping out to the right side.

Further, according to the portable loupe 1 of the present embodiment, when the lens body 30 is housed in the case 10, the protrusions 42a and 42b of the lens body 30 are in a state of being lightly abutted against the inner surface of the case 10 and sandwiched. , Prevents the stored lens body 30 from inadvertently popping out.

In addition, according to the portable loupe 1 of the present embodiment, as shown in FIG. 5 (A), the high transferability in injection molding is appealed by the clear magnifying function of the Fresnel lens, and it is shown in FIG. 5 (B). As described above, the high transferability in injection molding can be appealed from the transfer surface such as the grain or hologram applied to the peripheral depressions 36a to 40a.

As described above, according to the present embodiment, it is possible to provide a portable loupe 1 that is resistant to scratches on the lens and is excellent in appealing high transferability in injection molding.

Although one embodiment for carrying out the invention has been described above, the present invention is not limited to this, and various changes can be made within a range not deviating from the gist thereof.

The present invention can be used not only for a portable loupe but also as a promotional medium that appeals high transferability in injection molding.

1 ... Portable loupe, 10 ... Case, 11 ... Front plate part, 13 ... Thin-walled band part, 14, 15 ... Dowel hole, 16 ... Cylindrical protrusion, 19, 29. ... Triangular window, 21 ... Rear plate, 24, 25 ... Doweled protrusions, 26 ... Cylindrical protrusions, 27, 28 ... Cylindrical protrusions, 30 ... Lens body, 31.・ ・ Main body part, 32 ・ ・ ・ Knob part, 33 ・ ・ ・ Root part, 34 ・ ・ ・ Circular hole, 35a, 35b ・ ・ ・ Circular recess, 41 ・ ・ ・ Frenel lens surface, 36a, 36b-40a, 40b ... peripheral dents, 42a, 42b ... protrusions, 43,44 ... ridges.

Claims (5)

It is a portable loupe that consists of a case and a lens body housed in the case, and by making the lens body protrude from the case, characters and the like can be magnified and viewed through the lens body. A portable loupe characterized by having the following configurations.
(1A) The case includes a front plate portion and a rear plate portion that is in an inverted state with respect to the front plate portion, and the roots of the front plate portion and the rear plate portion are connected to each other by a thin band portion. The front member having a shape, the thin-walled band portion is bent, and the front plate portion and the rear plate portion are coupled to each other in a state of being overlapped back and forth so as to form a gap at a predetermined interval. It shall be composed of a plastic molded body formed on the inner surface side of the plate portion and the rear plate portion.
(1B) The lens body has a thickness that can be accommodated in the gap, and is substantially covered by the front plate portion and the rear plate portion, and faces sideways from one side of the main body portion. It is provided with a knob portion that is projected so as to be assembled to the case so that the base of the main body portion is pivotally supported in the gap.
(1C) In the lens body, a circular recess recessed from the front-rear direction is formed in the central portion of the main body portion, and one surface of the circular recess is mirror-finished and a Fresnel lens surface is transferred to the other surface. It must be composed of a transparent plastic molded body. The portable loupe according to claim 1, further comprising the following configuration.
(2A) At the bases of the front plate portion and the rear plate portion, a cylindrical member and a cylindrical member that are fitted to each other so as to form a shaft portion that rotatably supports the base portion of the lens body are formed. Being projected so as to be a pair.
(2B) The inner surface member shall be formed so as to be located only on one of the left and right sides of the front plate portion and the rear plate portion in a state where the case is assembled.
(2C) The lens body is assembled to the case so that the knob portion is located on the left and right other sides where the inner surface member is not formed. The portable loupe according to claim 1 or 2, further comprising the following configuration.
(3A) The lens body is formed with a protrusion protruding from the surface of the main body portion in the front-rear direction.
(3B) The front and rear protrusions are formed so that the length from the front end to the rear end thereof is slightly larger than the gap between the gaps. The portable loupe according to any one of claims 1 to 3, further comprising the following configuration.
(4A) In the main body of the lens body, a peripheral recess that is recessed from the front-rear direction is formed so as to be located around the circular recess, and one surface of the peripheral recess is mirror-finished and the other surface is formed. The predetermined precision molded surface formed on the mold by precision processing technology is transferred to.
(4B) The case is formed with a peripheral window that allows the peripheral recess to be visually recognized when the lens body is housed. The portable loupe according to claim 4, further comprising the following configuration.
(5A) The lens body is provided with a plurality of the peripheral recesses, one of the plurality of peripheral recesses has a precision molded surface corresponding to a grain, and the other one has a precision molded surface corresponding to a hologram. The surface is formed.
(5B) The case is formed with a plurality of peripheral windows in which the plurality of peripheral recesses can be visually recognized in a state where the lens body is housed.

Images