JP4039905B2 - Loupe mounting spectacle frame and loupe using the spectacle frame - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a spectacle frame for attaching various loupes such as a medical loupe used by a surgeon during surgery, and a loupe using the spectacle frame, and in particular, removably fixing a loupe body to the spectacle frame. About things.
[0002]
[Prior art]
Conventionally, as a mechanism for attaching a loupe for medical use using eyeglasses, a mechanism using a lens is known. Specifically, a pair of loupe main bodies are matched to a wearer's eye width and a lens is used. The optical axis of the system was configured to be inserted into a circular fitting hole provided at a predetermined position of both eyeglass lenses so as to cross on the focal point, and fixed to the lens around the fitting hole so as to be immovable. .
[0003]
[Problems to be solved by the invention]
The loupe has a problem that it cannot be processed by a general spectacle shop because a special technique is required to form a fitting hole that fits the loupe body in the lens. In addition, the eyepiece side of the loupe body is fixed immovably in a circular fitting hole provided in the spectacle lens, so the eye width cannot be adjusted, and the wearer can only customize it to suit his / her eye width and visual acuity There was a problem that it was not versatile and expensive. An object of the present invention is to solve these problems, and an object of the present invention is to provide a spectacle frame for attaching a loupe and a loupe using the spectacle frame that solves the problem.
[0004]
[Means for Solving the Problems]
In order to achieve the above object, the spectacle frame for attaching a loupe according to the first aspect of the present invention is characterized in that a support frame for attaching a loupe body having a magnifying lens system in a cylinder is provided on the spectacle frame. It is what.
[0005]
According to a second aspect of the present invention, the eyeglass frame for attaching a loupe according to the present invention has a support frame that is long in the horizontal direction so that the main body of the loupe to be attached can be displaced in the horizontal direction. And at least one surface side of the upper and lower edges is formed in accordance with a curved surface including an arc centered on the focal point of the magnifying lens system in the loupe body and having the focal length as a radius. .
[0006]
According to a third aspect of the present invention, the eyeglass frame for attaching a magnifying glass according to the present invention includes a support plate provided with a fitting hole for attaching the main body of the loupe, in addition to the structure of the first aspect. It is characterized by being fixed.
[0007]
According to a fourth aspect of the present invention, a magnifying glass using the spectacle frame of the present invention includes a pair of support frames provided on the spectacle frame and a magnifying lens system having a predetermined focal length, and is fixed to each of the support frames. A magnifying glass using a pair of magnifying glass frames having a pair of eyepieces detachably fixed by a mechanism, wherein each support frame is horizontally positioned so that the eyepieces of each loupe body can be displaced in the horizontal direction. In addition to being formed long in the direction, at least one surface side of the upper and lower edges is formed in a concave shape following a curved surface including an arc centered on the focal point of each magnifying lens system and having the focal length as a radius. is there.
[0008]
According to a fifth aspect of the present invention, in addition to the configuration of the fourth aspect, each fixing mechanism is movably attached to the eyepiece of each main loupe body, and a support frame is provided. An outer abutting member and an inner abutting member that abut against the inner and outer surfaces of the loupe, and a fixing member that is attached to the eyepiece tube end of the loupe main body and presses the inner abutting member against the outer abutting member side, The contact surface of the outer contact member of the fixing mechanism that contacts the support frame is formed in a convex shape that matches the concave shape of the outer surface of the support frame.
[0009]
A loupe using the spectacle frame of the present invention described in claim 6 is continuous from the lens engaging groove of the spectacle frame at an appropriate position on the outer periphery of each support frame in addition to the configuration described in claim 4 above. A lens engaging groove is provided.
[0010]
In addition to the configuration described in any one of claims 4 to 6, the loupe using the bright spectacles frame of the present invention described in claim 7 integrates each support frame with the spectacle frame. It is characterized by being molded into
[0011]
Further, the magnifying glass using the spectacle frame of the present invention according to claim 8 is provided with fitting holes in the support plates respectively fixed in the pair of support frames provided in the spectacle frame, and each of these fitting holes, A magnifying lens system having a predetermined focal length is incorporated, and a loupe main body having an eyepiece is detachably attached.
[0012]
Further, in the loupe using the spectacle frame of the present invention according to claim 9, in addition to the structure according to claim 8, the eyepiece of each loupe body is displaced in the horizontal direction in the fitting hole of each support plate. In addition to being formed long in the horizontal direction, at least one side of each support plate corresponding to the upper and lower edges follows a curved surface including an arc centered at the focal point of each magnifying lens system and having a focal length as a radius. It is formed.
[0013]
Further, in the loupe using the spectacle frame of the present invention according to claim 10, in addition to the configuration according to claim 8 or 9, each support plate is configured integrally with each support frame. It is characterized by.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS. Here, FIG. 1 is a front view of a spectacle frame for attaching a loupe, FIG. 2 is a perspective view of the loupe showing a state in which one loupe main body is removed, FIG. 3 is an enlarged partial longitudinal sectional view of an essential part of the loupe, and FIG. It is a schematic plan view of a loupe showing the relationship between each loupe body and the focal point.
[0015]
As shown in FIGS. 1 to 3, a loupe 2 using a spectacle frame 1 for attaching a loupe (hereinafter simply referred to as a spectacle frame) 1 includes a support frame 4 provided inside each lens frame 3, and a support frame 4. It consists of a pair of loupe main bodies 7 which have the eyepiece 6 fixed so that attachment or detachment is possible with the fixing mechanism 5 mentioned later. Each support frame 4 is formed integrally with each lens frame 3 when the spectacle frame is manufactured. The loupe body 7 includes an eyepiece 6 and an objective cylinder 8 and includes a magnifying lens system having a predetermined focal length. A step portion is provided at a boundary portion between the eyepiece 6 and the objective cylinder 8. 9 is formed.
[0016]
As shown in FIG. 4, the upper and lower edges of the support frame 4 are different from the wearer so that the optical axes “a” of both loupe bodies 7 fixed by the fixing mechanism 5 intersect on their focal points F. The opposite side surface (hereinafter referred to as the outer surface) is formed as a concave guide surface that follows a curved surface c including an arc whose center is the focal point F of each magnifying lens system and whose focal length is a radius. Further, the support frame 4 is formed in an oval shape that is long in the horizontal direction so that the eyepiece 6 in a fitted state can move horizontally along the inside of the support frame 4.
[0017]
As shown in FIG. 3, each support frame 4 is entirely outward so that the optical axis a of each loupe body 7 to be fixed is directed 20 degrees below the optical axis b of the spectacle lens (not shown). It is provided at a position below the center of the curved lens frame 3 and close to the bridge side of both lens frames 3 so that the optical axis a overlaps the wearer's line of sight toward the focal point F. In general, the lens frame 3 is inclined downward by about 10 degrees with respect to the ear hooking portion 15 called a temple. Therefore, if the inner side of the upper and lower edges of the support frame 4 is inclined by about 10 degrees, The optical axis a can be inclined about 20 degrees below the optical axis b.
[0018]
As shown in FIG. 3, the fixing mechanism 5 is fitted to the objective tube 8 side of the eyepiece tube 6, one surface is in contact with the step portion 9, and the other surface is in contact with the outer surface of the support frame 4. The outer spacer 10 made of a ring-shaped soft material as a contact member is movably fitted to the end of the eyepiece 6, one surface abuts the inner surface of the support frame 4, and the other surface is a fixing ring 14 described later. The inner spacer 11 made of a ring-shaped flexible member that is an inner abutting member that abuts on the inner side, and the female helix 13 that engages with the male helix 12 provided on the outer periphery of the end of the eyepiece 6 are provided on the inner periphery, and the direction in which the screwing is deepened A fixing ring 14 as a fixing member that is configured to press one surface of the outer spacer 10 against the outer surface of the support frame 4 and one surface of the inner spacer 11 against the inner surface of the support frame 4. Consists of.
[0019]
As shown in FIG. 1, a lens engaging groove 16 provided on the inner peripheral surface of the lens frame 3 is connected to the outer peripheral surface excluding the upper and outer edges of the support frame 4 corresponding to the inner side of the lens frame 3. Provided. Then, a lens (not shown) is cut so as to coincide with the inner periphery of each lens frame 3 and the outer periphery of the support frame 4 continuous thereto, and the outer periphery of the lens is engaged with each lens engagement groove 16. And can be used as glasses. The lens processing and the engagement with the lens engaging groove 16 do not require any special technique, and can be performed in the same manner as a normal spectacle lens in a general spectacle store.
[0020]
The loupe 2 configured as described above rotates the fixing ring 14 of each fixing mechanism in the direction of deepening the screw and sandwiches the support frame 4 between the outer spacer 10 and the inner spacer 11. The main body 7 is fixed. Each of the fixed loupe bodies 7 is formed such that the concave guide surface of the support frame 4 follows a curved surface c including an arc centered on the focal point F of the magnifying lens system, and the spacers 10 and 11 are made of a flexible material. The guide surface guides the direction of the optical axis a of the magnifying lens system to the focal point F (see FIG. 3). Further, the fixing ring 14 of each fixing mechanism 5 is rotated in the direction of unscrewing to release the support state via the spacers 10 and 11, and the eyepieces 6 are moved within the support frames 4. Each loupe body 7 can be displaced in the horizontal direction so as to match the eye width of the user.
[0021]
Instead of the spacers 10 and 11 made of each flexible material, the support frame is made of a hard material such as metal as shown in FIG. 5 (enlarged side view in the modified example) and FIG. 6 (enlarged side view in the modified example). It is also possible to use the outer abutment ring 10a having a convex surface that is similar to the concave guide surface of the four outer surfaces and the inner ring 11a having a surface that is inclined to the inner surface of the support frame 4.
[0022]
Next, another embodiment of the present invention will be described with reference to FIG. 7 of the accompanying drawings. Here, FIG. 7 is a front view showing a portion of the spectacle frame.
[0023]
The loupe 52 according to this embodiment is integrally formed inside each lens frame 53 of the spectacle frame 51 at a position below the center and close to the bridge side of both lens frames 53, and has a support plate on the inner periphery. A support frame 54 formed with an engagement groove, a support plate 55 engaged with and fixed to the support plate engagement groove by an outer edge thereof, and a substantially circular fitting hole 56 formed through the support plate 55 are detachable. And a loupe body (not shown) configured in the same manner as the loupe body 7 of the above-described embodiment.
[0024]
The optical axes of both loupe bodies (not shown) in a state where the support plate 55 is fixed by a fixing mechanism (not shown), like the support frame 4 of the above-described embodiment, are focused on them. As crossed above, the outer surface may be formed as a concave guide surface having a curved surface including an arc centered on the focal point of each magnifying lens system and having the focal length as a radius. In this case, the fitting hole 56 provided in the support plate 55 is long in the horizontal direction so that a fitted eyepiece (not shown) can move horizontally along the inner and outer surfaces of the support plate 55. It is formed in an oval shape.
[0025]
Further, since the other configuration of the loupe 52 is the same as that of the above-described embodiment, the detailed description thereof is omitted.
[0026]
The present invention is not limited to the above-described embodiments. For example, the outer spacer 10 is movably fitted to the eyepiece 6 and is configured integrally with the eyepiece 6 so as to be an inner spacer. Only 11 can be configured to be movable with respect to the eyepiece 6. Moreover, the spacers 10 and 11 which are these contact members are not restricted to a ring shape. Furthermore, the downward angle of the optical axis “a” with respect to the optical axis “b” is not limited to 20 degrees, and may be any angle in the range of approximately 15 degrees to 30 degrees. Furthermore, the spectacle frame may not be provided with the ear hook 15, and in this case, the spectacle frame 1 may be attached to an appropriate mounting member such as a headband to be mounted on the user's head. Furthermore, the spectacle frame 1 may not include the lens frame 3.
[0027]
【The invention's effect】
As described above, the spectacle frame for attaching the loupe according to the first aspect of the present invention can be easily attached to the main body of the loupe, and the processing of the spectacle lens and the attachment of the spectacle lens to the spectacle frame require special techniques. There is an effect that it can be performed in the same manner as a normal spectacle lens in a general spectacle store.
[0028]
In addition to the effect of the present invention described in claim 1, the loupe mounting spectacle frame of the present invention described in claim 2 is capable of displacing the loupe main body attached to the support frame in the horizontal direction. Since at least one side of the upper and lower edges is formed following a curved surface including an arc whose center is the focal point of the magnifying lens system in the loupe body and whose focal length is a radius, the loupe body is always focused in the direction of the optical axis. Since the distance between the two loupe bodies can be adjusted to the eye width of the wearer while facing the direction, the loupe body can be exchanged according to the use.
[0029]
The spectacle frame for attaching a magnifying glass according to the third aspect of the present invention can attach the magnifying glass main body using the fitting hole, and the eyeglass frame and the support plate are separately manufactured. In addition, if a plurality of support plates having different concave shapes are prepared and these are appropriately selected, it is easy to match the optical axis angle of the loupe body or the eye width of the wearer, and the spectacle frame is It does not have to be made to order, and can be produced in large quantities and can be manufactured at a lower cost.
[0030]
Further, the loupe using the spectacle frame of the present invention according to claim 4 releases the clamping state by each fixing mechanism, and even if each eyepiece is moved in the horizontal direction within each support frame, If each loupe main body is fixed, the loupe main body is formed in a shape that follows a curved surface including an arc centered on the focal point, so that the direction of the optical axis is always in focus, and the eye width can be adjusted. Since it is possible, the loupe main body can be exchanged, and the eyepiece side of the loupe main body can be positioned close to the wearer's eye, so that an effect of securing a wide field of view can be achieved.
[0031]
Further, in addition to the effect of the invention described in claim 4, the loupe using the spectacle frame of the present invention described in claim 5 has spectacles by a fixing mechanism including an outer contact member, an inner contact member, and a fixing member. Since the loupe body is detachably fixed to the frame, the loupe body can be fixed to the spectacle frame more easily and reliably, and the contact surface of the outer contact member that contacts the support frame is the concave surface of the support frame. Therefore, there is an effect that the direction of the optical axis is surely focused.
[0032]
Further, in addition to the effect of the invention described in claim 5, the loupe using the spectacle frame of the present invention described in claim 6 has an effect of easily fixing the spectacle lens to the spectacle frame.
[0033]
Moreover, in addition to the effect of the invention according to any one of claims 4 to 6, the present invention described in claim 7 integrally forms the spectacle frame and the support frame. There exists an effect that manufacture is easy.
[0034]
Further, according to the present invention, since the eyepiece side of the loupe body can be positioned close to the wearer's eye, a wide field of view can be secured, and the spectacle frame and the support plate are separately manufactured and fitted. If a plurality of support plates having different hole positions and concave shapes are prepared, it is easy to match them with the optical axis angle of the loupe body or the eye width of the wearer by selecting them appropriately. In addition, the spectacle frame does not have to be made to order, and can be produced in large quantities and can be manufactured at a lower cost.
[0035]
In addition to the effect of the invention described in claim 8, the present invention described in claim 9 releases the clamping state by each fixing mechanism, and moves each eyepiece tube horizontally in each support frame. However, if each loupe main body is fixed to each support frame, the loupe main body is formed in a concave shape with a curved surface including an arc centered on the focal point, so that the direction of the optical axis is always focused. Since the eye width can be adjusted, the spectacle frame or the loupe body can be exchanged.
[0036]
In the present invention according to claim 10, since the eyepiece side of the loupe body can be positioned close to the wearer's eye, a wide field of view can be secured, and the holding state by each fixing mechanism is released, and each eyepiece Even if the cylinder is moved horizontally in each support frame, if each loupe main body is fixed to each support frame, the loupe main body has a concave shape that follows a curved surface including an arc centered on the focal point. Because it is formed, the direction of the optical axis is always focused and the eye width can be adjusted, so the spectacle frame or loupe body can be replaced, and each support plate and each support frame are integrated Therefore, there is an effect that the spectacle frame can be easily manufactured.
[Brief description of the drawings]
FIG. 1 is a front view of a spectacle frame for attaching a loupe.
FIG. 2 is a perspective view of the loupe with one loupe body removed.
FIG. 3 is an enlarged partial longitudinal sectional view of a main part in an attached state.
FIG. 4 is a schematic plan view showing the relationship between each loupe body and the focal point.
FIG. 5 is an enlarged side view of an outer contact ring in a modified example.
FIG. 6 is an enlarged side view of an inner contact ring in a modified example.
FIG. 7 is a partially enlarged front view of a spectacle frame of another embodiment.
[Explanation of symbols]
a optical axis b optical axis c curved surface 1 spectacle frame 2 loupe 3 lens frame 4 support frame 5 fixing mechanism 6 eyepiece 7 loupe body 8 objective cylinder 9 step 10 outer spacer 11 inner spacer 12 male helix 13 female helix 14 female helix 14 fixing ring 15 Ear hook 16 Lens engagement groove 10a Outer contact ring 11a Inner contact ring 51 Loupe mounting spectacle frame 52 Loupe 53 Lens frame 54 Support frame 55 Support plate 56 Fitting hole

Claims (10)

A spectacle frame for attaching a magnifying glass comprising a spectacle frame provided with a support frame for attaching a magnifying glass main body having a magnifying lens system in a cylinder. The support frame is formed long in the horizontal direction so that the loupe main body to be attached can be displaced in the horizontal direction, and at least one surface side of the upper and lower edges is centered on the focal point of the magnifying lens system in the loupe main body, and the focal length thereof is set. The spectacle frame for attaching a loupe according to claim 1, wherein the spectacle frame is attached to a curved surface including an arc as a radius. The spectacle frame for loupe attachment according to claim 1, wherein a support plate provided with a fitting hole for attaching the loupe main body is fixed to the support frame. It comprises a pair of support frames provided on the spectacle frame and a pair of loupe bodies having a built-in magnifying lens system having a predetermined focal length and having eyepieces detachably fixed to the support frames by a fixing mechanism. A loupe using a spectacle frame, wherein each support frame is formed long in the horizontal direction so that the eyepiece of each loupe body can be displaced in the horizontal direction, and at least one surface side of the upper and lower edges of each magnifying lens system A magnifying glass using a spectacle frame characterized in that it is formed in a concave shape following a curved surface including an arc whose center is the focal length of the lens and whose radius is the focal length. Each fixing mechanism is movably attached to the eyepiece tube of each loupe body, and is attached to the outer and inner contact members that contact the inner and outer surfaces of the support frame, and the eyepiece tube end of the loupe body, and the inner contact portion. A fixing member configured to press the member against the outer abutting member side, and the abutting surface of the outer abutting member of the fixing mechanism that abuts on the support frame matches the concave shape of the outer surface of the support frame. The magnifying glass using the spectacle frame according to claim 4, wherein the loupe is formed in a convex shape. 5. A magnifying glass using a spectacle frame according to claim 4, wherein a lens engaging groove is provided at an appropriate position on the outer periphery of each support frame so as to be continuous from the lens engaging groove of the spectacle frame. The loupe using the spectacle frame according to any one of claims 4 to 6, wherein each support frame is formed integrally with the spectacle frame. A pair of support frames provided on the spectacle frame are provided with support holes fixed in the support plates, and a magnifying lens system having a predetermined focal length is built in each of the fit holes, and a loop having an eyepiece is provided. A magnifying glass using a spectacle frame characterized in that the main body is detachably attached. The fitting hole of each support plate is formed long in the horizontal direction so that the eyepiece tube of each loupe main body can be displaced in the horizontal direction, and at least one surface side of each support plate corresponding to the upper and lower edges is formed by each magnifying lens system The magnifying glass using a spectacle frame according to claim 8, wherein the loupe is formed following a curved surface including an arc whose center is the focal point of the lens and whose focal distance is a radius. The loupe using the spectacle frame according to claim 8 or 9, wherein each support plate is formed integrally with each support frame.

Images