JPH07100043B2 - Cartridge for piercing - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cartridge containing pierced pierced ear lobes for mounting piercing.

[0002]

2. Description of the Related Art A piercing instrument of this type and a cartridge incorporating an aseptic piercing for use in the instrument are known, for example, as shown in Japanese Patent Publication No. 59-30401. The cartridge is composed of front and rear members, and a piercing needle incorporated in a rear member is engaged with a stopper incorporated in a front member through an ear lobe.

However, the work of setting the piercing needle at a predetermined position of the cartridge is very troublesome because the article is small, and there is a problem that it is difficult to improve the productivity. In addition, after the piercing needle is pierced into the earlobe, the piercing needle and the stopper must be removed from the cartridge, but in that case, in particular, a part of the stopper may be caught in the cartridge and may be difficult to remove.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to facilitate the operation of incorporating a piercing needle into a piercing cartridge and to keep the piercing needle and the stopper when not in use. The purpose is to hold the tool so that it will not come off the cartridge and to allow it to come off the cartridge after piercing.

[0005]

In order to solve the above problems, the present invention provides a pierce needle 4 having a sharp puncture needle 1 and an engaging portion 2 following the sharp puncture needle 1 at its front portion and a decoration 3 at the other end, First and second, in which a stopper 6 having a pair of arcuate holding portions 5 and 5 capable of elastically holding the engaging portion 2 from the left and the right, respectively, is incorporated.
A piercing cartridge comprising constituent members 10 and 20, wherein a first constituent member 10 has a size such that the ornament 3 is movably accommodated therein, and a through hole 11 formed in a direction in which a piercing needle 4 is ejected, and the through hole 11. The second component member 20 is provided with a needle holding portion 12 that holds the tip portion of the piercing needle 4 in the front portion of the hole 11 and is destroyed by the decoration 3 at the time of hammering.
A stopper holder 22 for arranging the stopper 6 in front of the piercing needle 4 in the direction in which the piercing needle 4 is driven is provided with the stopper holder 22, which is so close to each other as to be close to each other. Enter the arcs of the holding parts 5 , 5
Missing engage the outer portion stop giving resistance and Ryokyo lifting unit
The engaging portion 2 is engaged between the 5 and 5, and the interval between the holding portions 5 and 5 is expanded.
Therefore in which took measures that Ru provided at a position away from both clamping portions 5 when the.

The through hole 11 containing the piercing needle 4 and the holder 22 containing the stopper 6 can compose one cartridge as one set as shown in the embodiment. Alternatively, one cartridge may be configured.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A description will be given below with reference to the drawings.

As can be understood from the figures, piercings are
A pierce needle 4 having a sharp puncture needle 1 and a subsequent engaging portion 2 at the front portion and a decoration 3 at the other end, and a pair that can be fixed so as to elastically contact the engaging portion 2 from the left and right sides and sandwich it. And a stopper 6 having the holding portions 5 and 5.

The stopper 6 has a stopper plate 7 that contacts the earlobe,
The stop plate 7 is formed with a through hole 8 through which the engaging part 2 of the pierce needle is passed through the holding parts 5 and 5, and the pair of holding parts 5 and 5 are ring-shaped from both sides of the stop plate 7 to the rear. Is formed in. The proximal ends of the ring-shaped holding portions 5 and 5 are arranged axially through the through hole 8 (see FIGS. 2 and 4).

The piercing needle 4 is assembled in the first component member 10 of the cartridge, and the stopper 6 is assembled in the second component member 20.

The first component 10 is a decoration 3 of the piercing needle 4.
Has a length and a width that can be movably accommodated and is oriented toward the launching direction of the piercing needle 4, and holds the tip of the piercing needle 4 at the front of the through hole 11 and launches It is provided with a needle holding portion 12 that is destroyed by the decoration 3 when it is opened. Reference numeral 17 denotes an opening at the rear of the through hole.

The needle holding portion 12 is a thin and fragile strip portion,
A small hole 14 into which the piercing needle 4 can be fitted is provided in a portion corresponding to the center of the through hole 11, and the piercing needle 4 is held by the first component member 10 until use. In order to facilitate fitting of the vicinity of the piercing needle 1 of the piercing needle into the small hole 14, a narrow notch 15 communicates with the small hole 14 from above (see FIG. 3).

Therefore, at the time of assembly, when the piercing needle 4 is put into the through hole 11, the piercing needle 4 is inserted through the opening 17 in the rear portion, and the portion of the puncture needle 1 is placed on the upper portion 12a of the needle holding portion 12,
The work can be facilitated because it can be elastically pushed into the small hole 14 through the notch 15 and held.

The first component member 10 is integrally provided at its lower portion with a channel-shaped engaging portion 13 parallel to the through hole 11 for combination with the second component member 20. The channel-shaped engaging portion 13 and the tubular through hole 11 are integrally formed with the back plate 18.

The second component member 20 includes a stopper 6 and a piercing needle 4.
It is positioned and held in the launching direction of. Therefore, a rail-shaped engagement partner 21 that engages with the channel-shaped engagement portion 13 of the first component member 10 is integrally provided in the lower portion,
At the time of their engagement, the piercing needle 4 and the stopper 6 can approach each other, but at the time of the closest approach, the earlobe Y stops with an interval in between. Therefore, 24 is a stopper provided on the mating partner, which abuts on the front end 19 of the engaging part.

At the front end of the second component member 20, there is provided a stopper accommodating portion 25 having an open upper part, and a pair of left and right engaging elements 23, 23 are provided on the upper surface thereof in the form of upward projections. It is fitted with the ring-shaped holding portions 5, 5. As shown in FIG. 4, since the holding portions 5 and 5 having a spring property are locked to the outsides of the engaging elements 23 and 23, the stopper 6 falls from the second component member 20 when inverted. There is no such thing.

The stop plate 7 of the stopper 6 fits in the groove 26 on the rear side of the accommodating section 25, and when the holding sections 5 and 5 are placed in the accommodating section 25, the through hole 8 forms the ejection shaft of the piercing needle 4. It is placed correctly on top (see Figures 2 and 4). 27 is a front wall of the accommodation portion 25,
A passage hole 28 for passing the piercing needle 4 is formed in a central portion corresponding to the shaft.

Reference numeral 29 is a front and rear two projections, which are the second constituent member 2
It is provided on the lower surface of 0 and engages with a recess 32 provided in the cartridge support portion 31 of the piercing punch 30. When the second constituent member 20 is mounted on the support portion 31, the first constituent member 10 is locked to the front end locking portion 33 of the piercing punch 30 by the back plate 18, but in order to stabilize this locking. Is formed on the upper part of the back plate.

The above is an example in which one pierce needle and one stopper constitute one set of cartridges. But piercing needle 2
It is also possible to integrate two pieces and two stoppers in parallel to form two sets of cartridges. In that case, the first constituent member 10 is on the perforator body side and the second constituent member 20 is the support portion 31.
Therefore, the sliding structure between the engagement portion 13 and the engagement partner 21 can be eliminated.

The perforator 30 preferably has a structure as shown in FIGS. The punch 30 has, for example, a hollow main body 35 having a grip 34 at the bottom for holding with one hand, and the locking portion 33 for mounting the first component member 10 of the cartridge provided at the front end, and a second configuration. In order to mount the member 20, the support portion 31 protruding forward is provided at the upper portion, both members 10 and 20 are placed at the separated engagement positions, and the trigger 37 is biased forward by the return spring 36.
In order to drive the piercing needle 4 forward at the tip end, the injection shaft 39 is incorporated in the main body so that it can be moved forward and backward, and is biased forward by the ejection spring 38, and the ejection spring 38 is pressure-accumulated. The locking member 4 that locks the injection shaft 39 when the injection shaft 39 is slid to the public in order to retract
0, and an engagement element 42 that releases the locking member 40 by operating the spring 41 and the trigger 37 that bias the member 40 in the locking direction and fires the injection shaft 39.

Reference numeral 43 denotes an operation knob of the injection shaft 39. Further, 44 is a protrusion on both sides of the support portion 31, 45 is an engagement groove with which it engages, and 46 is a portion protruding at the tip of the support portion 31, which is a recess formed at the end of the second component member 20. Engage with 47.

In the pierce cartridge of the present invention thus constructed, the first and second constituent members 10 and 20 are molded by transparent synthetic resin and supplied in pairs as shown in FIG.

The piercing needle 4 is set on the first component 10. In that case, as shown in FIG.
0 is turned upside down, the pierce needle 4 is dropped from the rear opening 17 into the through hole 11 (FIG. (A)), and the decoration 3 is turned upside down (FIG. (B)), Place the tip puncture needle 1 part on the upper part 12a of the needle holding part 12 and beyond the notch 15,
It is pushed into the small hole 14 ((c) in the figure).

The stopper 6 is set on the second component member 20, and the two annular holding portions 5 and 5 of the stopper 6 are accommodated in the accommodating portion 2.
It can be easily attached to the pair of engaging members 23 of No. 5 by pushing it from above. When each of the holding parts 5, 5 is brought into surface contact with the accommodating part 25, the through hole 8 of the stopper 6 has the first constituent member 1 when the first and second constituent members 10, 20 are combined.
0 on the same axis as the small hole 14 (see FIGS. 2 and 4).

In the state set in FIG. 2 or 4,
Since the pierce needle 4 is engaged with the small hole 14 and the stopper 6 is engaged with the engaging element 23, respectively, they will not come off from the cartridge when they are tilted or turned upside down.

However, when the cartridge is set in the piercing punch 30 and the piercing is attached to the earlobe Y, the holding portions 5 and 5 are expanded outward by the engaging portion 2 of the piercing needle 4, and the engaging element 23 resists. You can get out without.

[0027]

Since the present invention is constructed and operates as described above, the piercing needle 4 is housed in the through hole 11 of the first component member 10, and the stopper 6 of the second component member 20. Two
Since it is held by the solid engaging elements 23, 23, the work of setting these in the cartridge is greatly facilitated, and once set, neither the piercing needle 4 nor the stopper 6 can be easily pulled out from the cartridge, and the earlobe When the piercing is attached to the piercing needle, the piercing needle 4 is ejected from the first component member 10 and integrated with the stopper 6, and the stopper 6 loses the engagement resistance with the engaging element 23 due to the spreading action of the puncture needle 1. It has the effect of separating the piercing from the cartridge very smoothly.

After the piercing operation, the separation of the pierce and the cartridge becomes smooth as described above, and the perforated earlobe is pulled or the cartridge does not come off, so it is necessary to perform a special work to remove it. Nothing happens and therefore the safety when piercing can be improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a piercing cartridge according to the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a sectional view showing a front shape of a first component member.

FIG. 4 is a plan view of the cartridge, which is partially broken and shown.

FIG. 5 is a perspective view of a piercing punch.

FIG. 6 is a sectional view of the above.

FIG. 7 (a) is an explanatory view of attaching a piercing needle to the first component member. (B) Explanatory drawing which attaches a piercing needle to a 1st component. (C) Explanatory drawing which attaches a piercing needle to a 1st component.

Claims (4)

[Claims] 1. A pierce needle 4 having a sharp puncture needle 1 and an engaging portion 2 following the sharp piercing needle 1 and a decoration 3 at the other end, and a circle capable of elastically holding the engaging portion 2 from the left and right. First, a stopper 6 having a pair of arcuate holding portions 5, 5 is incorporated respectively,
A piercing cartridge comprising second component members (10, 20), wherein the first component member (10) has a size that allows the ornament (3) to be movably accommodated therein, and a through hole (11) formed in the ejection direction of the piercing needle (4). Piercing needle 4 at the front of the through hole 11
And a needle holding portion 12 that holds the tip of the needle and is destroyed by the decoration 3 at the time of launching.
A stopper holder 22 for arranging the stopper 6 in front of the piercing needle 4 in the ejection direction is provided so as to be mutually accessible with the first component member 10, and the stopper holder 22 is provided.
Enters the arcs of the two holding parts 5 , 5 of the stopper 6.
Engage the outer portion of the respective stop giving resistance loss, and both
The engaging portion 2 is engaged between the holding portions 5 and 5, and the holding portions 5 and 5 are connected to each other.
Installed at a position away from both holding parts 5 and 5 when the distance expands.
A piercing cartridge, which has two digit engagement members 23, 23. 2. The needle holding portion 12 has a small hole 14 into which the piercing needle 4 between the puncture needle 1 and the engaging portion 2 can be fitted, and a narrow notch 15 communicating with the small hole 14 from the outside. The piercing cartridge according to item 1. 3. The pair of holding parts 5, 5 are ring-shaped,
The piercing cartridge according to claim 1, wherein the engaging members 23, 23 with which these are engaged are protrusions that engage with the outside in the ring-shaped holding portions 5, 5. 4. A protrusion 1 for engaging a perforator side for punching out a piercing needle 4 with a rear end surface of a first component member 10 having a rear portion of a through hole 11 opened and for setting a cartridge in a normal position.
The cartridge for piercing according to claim 1, wherein 6 is provided.