JPH024961B2 - - Google Patents

Description

[Detailed description of the invention] purpose of invention (Industrial application field) The present invention relates to lanterns.

(Prior art) As shown in FIG. 8, as a conventional lantern, an annular upper ring 20 and a lower ring 21 are connected by a support 22, and outer peripheral surfaces 20a, 2 of both upper and lower rings 20, 21 are connected.
Wedge-shaped engagement recesses 23 and 24 are provided in 1a,
Both upper and lower mouth rings 20, 2 are provided in these engaging recesses 23, 24.
The wedge-shaped engaging protrusions 26 and 27 on both ends of the trunk 25 connected between the two are fitted and adhered, and the inner periphery of the trunk 25 is covered with a fire bag 28 made of cloth, Japanese paper, etc. It has been proposed that a collar 29 is attached to the lower surface of 21.

However, in the above lantern, both the upper and lower muzzles 2
The work of forming the wedge-shaped engagement recesses 23, 24 on the outer circumferential surfaces 20a, 21a of the screws 0, 21 is difficult and requires skill, resulting in a problem of low production efficiency.

Further, the adhesive area between the wedge-shaped engagement recesses 23, 24 of both the upper and lower mouth rings 20, 21 and the wedge-shaped engagement protrusions 26, 27 of the body bone 25 is small, and the engagement recesses When the protrusions 23 and 24 are fitted, the tips of the protrusions 26 and 27 may be chipped or crushed, or the tips of the protrusions 26 and 27 may break into the engagement recess 2.
3 and 24, the body bone 25 tends to wobble from side to side, and for this reason, the body bone 25 must be held until the adhesive dries, making assembly difficult. , engaging protrusion 2
There was a problem that 6 and 27 were easy to break because they were thin.

(Problems to be solved by the invention) The present invention solves the problems existing in the conventional lanterns,
In other words, production efficiency is low because it is difficult to form wedge-shaped engagement recesses that open on the outer peripheral surfaces of both the upper and lower rings.
Furthermore, the present invention is intended to solve the problems that the body bone tends to wobble from side to side, which makes it troublesome to assemble, and furthermore, the engaging protrusion of the body bone is thin and easily breaks.

Structure of the Invention (Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention
The trunk 13 is bent in an arc at a position corresponding to the upper and lower sides of the upper orifice 1 and the lower orifice 2, which are connected by
In the lantern in which both ends 13a and 13b of the body bone 13 are engaged and the fire bag 14 is attached to the inner periphery of the body bone 13, the tip surface S1,
A plurality of fitting recesses 5 are formed in one of the upper and lower muzzles 1 and 2, which are orthogonal to the outer circumferential surface 1b thereof and into which one end 13a of the body bone 13 is fitted. and the other side is open to the end surface 2a facing the one muzzle 1 and the outer circumferential surface 2b,
Further, the same number of engagement recesses 6 to which the other end portion 13b of the body bone 13 is engaged are formed at positions corresponding to the fitting recesses 5, and furthermore, the engagement recesses 6 are engaged with the other end portion 13b of the body bone 13. Inner deep surface 6a that the tip surface S2 of 13b abuts
, both side surfaces 6b that the tip side portions S3 abut, and the inner inner surface 6a from the outer circumferential surface 2b of the muzzle 2.
The slanted surface 6c is formed to become deeper in the vertical direction toward the side.

(Function) By employing the above means, the present invention allows one end of the body bone to be fitted and held in the fitting recess when assembled, and the other end to be easily engaged with the corresponding engaging recess. Ru.

(Example) Hereinafter, an example embodying the present invention is shown in Figs.
Explaining according to FIG. 7, as shown in FIGS. 1 and 3, the opposing lower end surfaces 1a and upper end surfaces 2a of the upper and lower mouth rings 1 and 2 of different diameters are respectively placed at corresponding positions.
A pair of fitting recesses 3, 4 are provided at every 180° on the end surfaces 1a, 2.
It is provided perpendicular to a.

As shown in FIGS. 2 and 4, the upper ring 1 has a plurality of fitting recesses 5 at equal intervals, which are perpendicular to the outer circumferential surface 1b and into which the upper end 13a as one end of the body bone 13 is fitted. As shown in FIGS. 2 and 7, the lower ring 2 has an opening at its upper end surface 2a and outer circumferential surface 2b, and a lower end 1 serving as the other end of the body bone 13.
The same number of engagement recesses 6 are formed at positions corresponding to the engagement recesses 5 of the upper ring 1, and the engagement recesses 6 are engaged with the lower end portion 13b of the trunk 13 at the distal end surface S2.
The inner inner surface 6a is in contact with the inner inner surface 6a, the both side surfaces 6b are also in contact with the distal end sides S3, and the slope is formed so that it becomes deeper in the vertical direction as it goes from the outer peripheral surface 2b of the muzzle 2 toward the inner inner surface 6a side. It is composed of a shaped surface 6c.

The lower mouth ring 2 is formed as follows. That is, as shown in FIG. 5, a thin strip 7a is wound three times to form an annular outer ring 7, and then, as shown in FIG. Grooves 8 opening on the surface are carved at equal intervals. This groove portion 8 is formed so as to become deeper toward the inner peripheral surface. Similarly, the pair of fitting recesses 4 are formed in the upper end surface of the outer ring 7. Then, as shown in FIG. 7, the annular inner ring 9 is bonded to the inner circumferential surface of the outer ring 7, thereby forming the lower ring 2. Therefore, a portion of the outer peripheral surface of the inner ring 9 that corresponds to the engagement recess 6 becomes the inner deep surface 6a, and the groove 8 corresponds to the engagement recess 6.
It constitutes both side surfaces 6b and an inclined surface 6c.

The upper and lower rings 1 and 2 are connected by a strut 10 diagonally interposed therebetween, and the fitting recesses 3 and 4 have fitting convex portions 11 and 12 integrally formed at both the upper and lower ends of the strut 10. are fitted and glued. The fitting protrusions 11 and 12 are formed obliquely with respect to the central axis of the support column 10. The center axes of the fitting protrusions 11 and 12 and the center axes of the fitting recesses 3 and 4 are made to coincide with each other before and in the assembled state.

An arcuate body 13 is interposed between the mouth rings 1 and 2 using the fitting recess 5 and the engagement recess 6. The upper end 13a of this trunk 13 is the upper muzzle 1
The lower end portion 13b is fitted and adhesively bonded into the fitting recess 5 of the lower mouth ring 2.
In addition, the upper and lower ends 13 of the trunk 13 are
The distance between the muzzles 1 and 2 is longer than the distance between the muzzles 1 and 2, and the upper and lower ends 13a,
The body 13 is bent so that the two portions 13b approach each other and are engaged in the fitting recess 5 and the engagement recess 6. At this time,
Since the trunk 13 expands in the vertical direction due to its own elasticity and is held between the upper and lower muzzles 1 and 2, there is no need to support the trunk 13 until the adhesive dries.
Further, the tip surfaces S1 and S2 of the body bone 13 are formed into rectangular shapes as shown by broken lines or two-dot chain lines in FIG. 1 and FIG. Inner surface 6 of engagement recess 6
a. The lower end portion 13b is securely held in the engagement recess 6 by being brought into contact with both side surfaces 6b, respectively, so that the contact area becomes large, and the lower end portion 13b is securely held within the engagement recess 6 to prevent the body bone 13 from shaking from side to side. . On the other hand, since the upper end portion 13a is fitted and held within the fitting recess 5, the body bone 13 is prevented from shaking in the vertical and horizontal directions.

A fire bag 1 made of cloth, Japanese paper, etc. is attached to the inner circumference of the body bone 13.
4 is applied to form the trunk. Further, a donut-shaped collar 15 is attached to the lower end surface of the lower mouth ring 2, allowing the body to be attached to a mounting post (not shown).

Note that the surfaces of the upper muzzle 1 except for the lower end surface 1a, the outer surface of the trunk 13, the outer peripheral surface of the lower muzzle 2, and the outer surface of the collar 15 are lacquered.

In the embodiment described above, the fitting recess 5 is formed in a direction perpendicular to the outer circumferential surface 1b of the upper ring 1, and the engaging recess 6 is formed by opening in the upper end surface 2a and outer circumferential surface 2b of the lower ring 2. This makes it easy to form, improving production efficiency and reducing manufacturing costs.
Further, the body 13 can be easily assembled.

Further, in the embodiment, the engagement recess 6 is formed into an inner deep surface 6a on which the distal end surface S2 of the lower end portion 13b of the body bone 13 comes into contact.
, both side surfaces 6b that the tip side portions S3 abut, and the inner inner surface 6a from the outer circumferential surface 2b of the muzzle 2.
The sloped surface 6c is formed to become deeper in the vertical direction toward the side, and the distance between both ends 13a and 13b of the body bone 13 is set to be greater than the distance between the upper and lower muzzles 1 and 2 before assembly. I made it longer, so
During assembly, the upper end 13a is fitted and held in the fitting recess 5, and the lower end 13b of the bent trunk 13 is securely pressed against the engagement recess 6 by the elastic force of the trunk 13 itself. There is no need to hold the body bone 13 until the adhesive dries.

Further, the distal end surfaces S1 and S2 of the body bone 13 are formed into rectangular shapes, and the upper end portion 13a of the body bone 13 and the fitting recess 5 are formed into rectangular shapes.
In addition to increasing the contact area with the lower end 13
Since the contact area between b and the engagement recess 6 is increased,
It is possible to prevent the body bone 13 from wobbling from side to side, and also to prevent the tip of the body bone 13 from breaking.

It should be noted that the present invention is not limited to the above-mentioned embodiment, and may be implemented, for example, in a lantern in which a handle is provided on the upper mouth ring 1.

Effects of the Invention As described in detail above, the present invention particularly provides a structure in which a distal end surface is formed at both ends of the body bone, a tip surface is formed on one of the upper and lower orifices, and the end surface is perpendicular to the outer circumferential surface of the upper or lower orifice. forming a plurality of fitting recesses into which one end is fitted;
On the other hand, the same number of fitting recesses are formed at positions corresponding to the fitting recesses, which are open to the end face facing the one muzzle and the outer circumferential surface, and into which the other end of the body bone is engaged; Further, the engaging recess is connected to the inner inner surface where the distal end surface of the other end of the body bone comes into contact with, the both side surfaces where the distal end sides thereof come into contact, and the further from the outer peripheral surface of the muzzle toward the inner inner surface side. By forming a sloped surface that is deepened in the vertical direction, it is easy to form a fitting recess into which one end of the trunk fits into the muzzle and an engagement recess into which the other end engages. This improves production efficiency and reduces manufacturing costs.Also, one end is fitted and held in the fitting recess, and the other end of the bent body is pressed against the engagement recess by the elastic force of the body. Moreover, one end of the body is prevented from wobbling vertically and horizontally due to the fitting recess.
In addition, since the other end of the trunk is prevented from wobbling from side to side by the engaging recess, the trunk can be easily assembled to the muzzle. Since the contact area between the other end and the fitting recess is increased, there is an excellent effect in that both ends of the body bone can be prevented from breaking.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing an embodiment embodying the present invention, FIG. 2 is a partial sectional view, FIG. 3 is an enlarged partial sectional view, FIG. 4 is an enlarged partial sectional view, and FIG. 7 is a perspective view showing the muzzle molding process, and FIG. 8 is a partial sectional view showing a conventional example. Upper mouth ring...1, lower end surface...1a, outer peripheral surface...1
b. Lower mouth ring... 2. Upper end surface... 2a. Outer peripheral surface...
2b, Fitting recess...5, Engagement recess...6, Inner surface...6a, Both sides...6b, Slanted surface...6c, Outer ring...7, Thin plate...7a, Inner ring...9 , pillar...
10. Trunk bone... 13. Upper end as one end...
13a, Lower end as the other end...13b, Fire bag...14, Brim...15, Tip surface...S1, S
2.Both sides...S3.

Claims (1)

[Scope of Claims] 1. Both ends 13a and 13b of the body bone 13 bent in an arc shape are engaged with the upper and lower orifice 1 and the lower orifice 2 connected by the strut 10 at positions corresponding to the upper and lower sides, respectively,
In a lantern with a fire bag 14 attached to the inner periphery of the body 13, tip surfaces S1 and S2 are formed at both ends 13a and 13b of the body 13, and one of the upper and lower muzzles 1 and 2 is provided with a A plurality of fitting recesses 5 are formed perpendicularly to the outer circumferential surface 1b and into which one end 13a of the body bone 13 is fitted, and the other end surface 2a faces the one muzzle 1.
and open to the outer circumferential surface 2b, and the trunk bone 13
The same number of engagement recesses 6 to which the other end portion 13b is engaged are formed at positions corresponding to the fitting recesses 5, and the engagement recesses 6 are connected to the other end portion 1 of the body bone 13.
An inner deep surface 6a that the tip end surface S2 of 3b comes into contact with, and both side surfaces 6b that the both end side parts S2 of the end 3b come into contact with,
A slanted surface 6 formed to become deeper in the vertical direction from the outer circumferential surface 2b of the muzzle 2 toward the inner deep surface 6a.
A lantern characterized by being composed of c. 2. Claim 1, wherein both the upper and lower mouth rings 1, 2 are composed of an outer ring 7 formed by winding a narrow strip-shaped thin plate 7a and an inner ring 9 bonded to the inner circumferential surface of the outer ring 7. The paper lantern mentioned in the section.