JP2523720Y2 - Attachment structure between the blow bar of eyeglasses and the lens frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an attachment structure between a blow bar such as spectacles and a lens frame, and more particularly to an attachment structure between a detachably provided blow bar and a lens frame.

<Conventional technology> Regarding the above-described structure, the prior art has been
There is an eyeglass described in Japanese Patent Publication No.

As shown in FIG. 9, the glasses support a blow bar (1) 'having temples (3)' (3) 'at both ends and a lens (11)' (11) 'to support the blow bar (1). 'And a lens frame (6)' detachably provided. The mounting structure includes a fixture (4) 'having a vertical groove (4a)' and a stopper hole (4b) 'at the center of the blow bar (1)', and a mold engaging piece (5) on both sides thereof. '(5)', and a fixing piece (7) 'provided with a projection (7a)' at the center of the lens frame (6) '.

That is, the fixing piece (7) 'is inserted into the vertical groove (4a)' of the fixing tool (4) 'from below, and the projection (7a)' of the fixing piece (7) 'is inserted into the fixing tool (4)'. The lens frame (6) 'is inserted into the stopper hole (4b)' and the upper edge of the lens frame (6) 'is held by the engagement pieces (5)' (5) ', so that the lens frame (6)' is blow-bar (1). ′.

<Problems to be solved by the invention> However, the above glasses have a complicated structure and a large number of parts as shown in the figure, so that the manufacturing process is many,
It has the drawback that it takes a long time to manufacture and the cost is high.

Also, when these glasses are used for sports such as skiing, unless the projection (7a) 'and the stopper hole (4b)' are firmly fitted, the vertical movement caused by the movement causes the lens frame to move upward and downward. (6) 'may easily fall off from the blow bar (1)'.

Furthermore, since it is an essential condition to provide the fixture (4) ', even if the lens frame (6)' is replaced with a modified one, the fixture (4) 'is attached to the blow bar (1)'. It will remain as a feature before replacement, and it will be little change in design.

An object of the present invention is to provide a mounting structure for a blow bar and a lens frame which solves the above-mentioned disadvantages.

<Means for Solving the Problems> The present invention relates to a blow bar having temples at both ends, and a mounting structure of a blow bar having a lens frame detachably provided and a lens frame. A groove is formed in which the blow bar is fitted, a hole is formed in the groove, a pin that fits in the hole is formed in the blow bar, and a hook is formed at a tip of the pin. To provide a mounting structure between a blow bar of eyeglasses and the like and a lens frame.

<Operation> When attaching the lens frame to the blow bar, the blow bar may be fitted into the concave groove of the lens frame, the pin of the blow bar may be fitted into the hole of the lens frame, and the pin catching portion may be engaged with the hole.

In this state, the concave groove of the lens frame prevents the blow bar from shifting and wobbling with respect to the lens frame, and the blow bar and the lens frame are integrally formed in order to hold the blow bar halfway. Can be Moreover, since the hole is formed in the concave groove of the lens frame, the pin of the blow bar is naturally guided into the hole of the lens frame by fitting the blow bar into the concave groove.

When removing the lens frame, the above procedure can be reversed to easily remove the lens frame from the blow bar.

As described above, this mounting structure in which the blow bar and the lens frame can be easily attached and detached can be used to replace a design difference and a function difference as long as the concave groove and the hole are provided in the lens frame to be replaced. it can.

At that time, the blow bar only has a pin protruding at the contact position of the lens frame, and the appearance can be kept simple, so especially if the replaced lens frame is of a different design, the original Glasses or the like having an impression that is significantly different from the shape can be obtained.

<Embodiment> A preferred embodiment of the present invention will be illustratively described in detail below with reference to the drawings. However, the dimensions, shapes, materials, relative arrangements and the like of the components described in this embodiment are not intended to limit the scope of the present invention only to them unless otherwise specified. , Are merely illustrative examples.

FIG. 1 is a perspective view showing a first embodiment of the present invention, and FIG. 2 is a perspective view showing a state where a blow bar and a lens frame of the embodiment are removed.

(1) is a blow bar made of a metal rod, which is provided with temples (3) and (3) at both ends so as to be freely foldable, and nose pad portions (4) and (4) extending downward from a substantially central portion thereof. ing.

Also, as shown in FIG. 2, pins (11)... (11) are protrudingly formed at both ends and the center of the inside of the blow bar (1). As shown in FIG. 3, the pins (11)... (11) are split pins having a hook portion (11a) bulging at the tip, and are provided with holes (2) of a lens frame (2) described later.
2) The lens frame (2) is locked to the blow bar (1) by being forcibly fitted to (22).

On the other hand, the lens frame (2) supporting the left and right lenses (5) and (5) is made of synthetic resin, and the blow bar (1)
A concave groove (21) is provided at a position where it contacts. The pin (11) of the blow bar (1) in this concave groove (21) ... (1
Holes (22)... (22) are formed at positions corresponding to (1), and as described above, the pins (11) of the blow bar (1).
(11) is fitted respectively. Since the holes (22)... (22) are provided in the concave groove (21), if the blow bar (1) is fitted into the concave groove (21), the pin (11) of the blow bar (1)
(11) are automatically guided and fitted to the positions of the holes (22)... (22).

The nose pad portions (4) and (4) do not necessarily need to be provided on the blow bar (1), and may be formed integrally with the lens frame (2) using resin.

In this embodiment having the above structure, the attachment of the lens frame (2) and the blow bar (1) is performed by fitting the concave groove (21) and the blow bar (1), and the pins (11)... (11). And the hole (22) ...
In addition to the fitting with (22), as shown in FIG. 4, the bases (4a) and (4a) of the nasal pads (4) and (4) hold the lens frame (2) together with the blow bar (1). To be stronger.

When removing the lens frame (2) from the blow bar (1), pull up the pins (11)... (11) through the holes (22)... (22) while lifting the nose pads (4) and (4). , Both can be easily separated.

In this manner, the spectacles in which the blow bar (1) and the lens frame (2) can be easily attached / detached, as shown in FIG. 1) can be attached.

That is, if the spectacles only have the blow bar (1) and have a concave groove (21) and a hole (22)... (22), a lens frame having a different function or a different design is appropriately selected. Can be replaced and used.

The concave groove of the lens frame (2) prevents the blow bar (1) from shifting or wobbling with respect to the lens frame (2), and also holds the blow bar (1) as if it were half-buried. And the lens frame (2) can be formed as a single unit.

At this time, since the blow bar (1) has a simple appearance in appearance only by the pins (11)... (11) protruding from the contact position of the lens frame (2), especially the exchanged lens is used. If the frame is of a different design, the glasses can have an impression that is significantly different from the original shape.

FIG. 6 is an explanatory view showing the second embodiment, FIG. 7 is a partially enlarged view of the same embodiment, and FIG. 8 is a central longitudinal sectional view of the same embodiment.

As in the previous embodiment, the blow bar (10) is made of a metal material, and temples (30) (30) are provided at both ends so as to be freely foldable. It has been extended.

Further, as shown in FIG. 7, pins (110) and (110) are protrudingly provided inside the both ends of the blow bar (10).
This pin (110) has a cap-shaped hook (110
a), and the hook portion (110a) is hooked into a hook groove (220b) of a hole (220) of the lens frame (200) described later, so that the lens frame (200) is attached to the blow bar (10). Get engaged.

On the other hand, the lens frame (220) supporting the lens (5)
A concave groove (210) is provided at a position where the blow bar (1) comes into contact with a synthetic resin. This groove (210)
Among them, holes (220) and (220) are provided at positions where the pins (110) and (110) of the blow bar (1) abut.

The hole (220) has a shape like a keyhole as shown in FIG. 7, and the pin (110) has a hook (110).
a) through the insertion hole (220a), and the insertion hole (220a)
And a retaining groove (220b) for retaining the retaining portion (110a). That is, as described above, after the hook (110a) is inserted into the insertion hole (220a) and then pulled down, the hook (110a) is hooked on the edge of the hook groove (220b). You.

In the hole (220), the blow bar (10) is
0) is provided at a position where the engaging portion (110a) and the engaging groove (220b) can be engaged when fitted into the concave groove (210) of FIG. Pins (110) and (110) are inserted into the grooves (21) of the blow bar (10).
The fitting to 0) keeps it in that position. And
The fitting between the blow bar (10) and the concave groove (210) is
0) (110) and the holes (220), (220) are supported by engagement, and the two support each other.

As shown in FIG. 8, also in this embodiment, the bases (4a) and (4a) of the nasal pads (4) and (4) hold the lens frame (200) together with the blow bar (10). The attachment between the blow bar (10) and the lens frame (200) has been further strengthened.

As described above, the second embodiment has been described. In this embodiment, the same effects as those of the first embodiment can be obtained. For example, the lens and the lens frame having different designs and different functions can be appropriately selected and exchanged.

In the two embodiments described above, the concave groove is provided on the front surface of the lens frame, but may be provided on the upper edge of the lens frame.

<Effects of the Invention> As described above, the mounting structure of the blow bar and the lens frame of the present invention is such that the pin is provided on the blow bar and the concave groove and the hole provided on the lens frame are used to attach and detach the two. In spite of the simple structure, the attachment and detachment can be easily and reliably performed.

That is, according to this mounting structure, if only the concave groove and the hole are provided in the lens frame to be replaced, the lens frame having a different design and a different function can be used.

This allows the user to use the components that make up the glasses, etc.
It is also economical to have only one portion from the most expensive blow bar to the temple, and then enjoy the same number of types of glasses as the number of low-cost replacement lens frames.

In addition, the concave groove of the lens frame prevents the blow bar from shifting and wobbling with respect to the lens frame, and holds the blow bar as if it is half-buried, so that the blow bar and the lens frame are integrally formed. be able to.

At this time, the blow bar simply has a pin protruding at the contact position of the lens frame, and it can keep the appearance simple, so especially when the replaced lens frame has a different design, the original Glasses or the like having an impression that is significantly different from the shape can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention, FIG. 2 is an explanatory view showing a state where a blow bar and a lens frame of the embodiment are removed, and FIG. 3 is a blow bar and a pin of the embodiment. FIG. 4 is a central longitudinal sectional view of the embodiment, and FIG.
The figure is a perspective view showing another lens frame of the embodiment, FIG. 6 is an explanatory view showing the second embodiment, FIG. 7 is a partially enlarged view of the embodiment, and FIG. 8 is the center of the embodiment. FIG. 9 is a longitudinal sectional view, and FIG. 9 is an explanatory view showing a conventional example. (1) (10) ... Blow bar, (2) (20) (200) ...
… Lens frame, (11) (110) …… Pin, (21) (210)…
... concave grooves, (22) and (220) ... holes.

Claims (1)

(57) [Scope of request for utility model registration] 1. A mounting structure for a blow bar and a lens frame, wherein a lens frame is detachably provided on a blow bar having temples at both ends, wherein a concave groove for fitting the blow bar into a contact portion of the lens frame with the blow bar. A hole is formed in the concave groove, a pin that fits into the hole is formed in the blow bar, and a hook portion is formed at the tip of the pin. And mounting structure.