JPH0524330Y2 - - Google Patents

Description

[Detailed explanation of the idea] "Industrial application field" The present invention relates to a tampon inserter.

``Problems to be solved by conventional techniques and ideas'' A tampon, which is one of the sanitary tools for women, is inserted using a tampon inserter.

This tampon insertion device usually includes a push rod for protruding a tampon from the rear of the insertion tube, and is generally sold with a tampon inside the insertion tube.
When ready for use, the insertion tube containing the tampon is deeply inserted into the vagina, and the tampon is pushed out using the push rod to be worn.

By the way, this type of tampon insertion device usually
Because the push rod protrudes unsteadily and is easily damaged,
In recent years, the rear part of an insertion cylinder with a circular cross section is equipped with a push rod made up of two or three cylinders stacked together in an extendable manner, and a locking mechanism that engages the cylinders in an extended position has been developed. A method was proposed that took measures to prevent the
-14852, Japanese Patent Application Laid-Open No. 153553/1983).

However, this elongated push rod was accompanied by unexpected rotation and wobbling, which was inconvenient and inconvenient for pushing out the tampon.

The present invention seeks to eliminate such conventional drawbacks.

"Means for Solving the Problem" In order to achieve the above object, the present invention has an outer cylinder 21 and an inner cylinder 22 each having a circular cross section, which are extensibly superimposed on the rear part of the insertion cylinder 1 having a circular cross section. In addition to equipping the push rod 2 with the outer cylinder 21 and the inner cylinder 22
In this tampon inserter, a plurality of guide protrusions 13 extending in the cylindrical direction are arranged at equal intervals on the inside of the rear end of the insertion tube 1, and the above-mentioned pusher rod 2 is slidably fitted inside the plurality of guide protrusions 13;
The outer cylinder 21 is provided with an outward flange 211 at its tip, and the outward flange is inserted into the insertion cylinder 1. The inner tube 22 is slidably fitted into the inner end of each of the guide projections 13 to prevent it from coming off, and the inner tube 22 is formed slightly longer than the outer tube 21 so that the tip 221 is inserted into the outer tube 21. The outer cylinder 21 and the inner cylinder 22 have a locking means 3 between the distal end and the inner cylinder 22. The locking means includes an elastic locking piece 31 having a hook-shaped longitudinal section disposed around the inner side of the outer cylinder 21 near the end thereof, and the inner edge of the elastic locking piece 31 is attached to the outer periphery of the intermediate portion of the inner cylinder 22. Inner cylinder 22
are slidably and elastically fitted together, and a locking groove 32 is provided around the outer periphery of the tip 221 of the inner cylinder 22, with which the elastic locking piece 31 rides over and is elastically engaged. It is characterized by forming a low guide slope 223 on the lower side.

``Function'' The tampon A is constructed as described above, and the tampon A is stored in the insertion tube 1 and the string is passed through the push rod 2 before being put on the market. At this time, the press rod 2 is in a state where the inner cylinder 22 is not yet pulled out, and in this state, the outer cylinder 21
are fitted and held by a plurality of guide ridges 13 at the rear end of the insertion tube 1, and an outward flange 211 at the tip of the outer tube 21 is abutted against the inner end of each guide ridge 13 to prevent it from coming off. . In addition, the tip 221 of the inner cylinder 22
is slidably fitted into the outer cylinder 21, and
The outer periphery of the middle part with a slightly smaller diameter below the tip is the outer cylinder 21.
The inner edge of the elastic locking piece 31 is elastically fitted around the entire circumference.

In use, the inner cylinder 22 is pulled out and the press rod 2 is extended. At the end point of this withdrawal, the elastic locking piece 31 and the locking groove 32 are elastically engaged over the entire circumference, the locking means 3 works, and the press rod 2 is moved between the outer cylinder 21 and the inner cylinder 22. are firmly and integrally immovably connected to each other at the required length and can be operated by pushing.

After that, as before, insert the insertion tube 1 deeply into the vagina, push out the tampon A with the push rod 2,
Just wear it as appropriate.

"Example" The drawings show an embodiment of the invention.

In the figure, 1 is an insertion tube, and 2 is a push rod installed at the rear of the insertion tube.These are made of a suitable synthetic resin, and both have a circular cross section. A is a tampon housed in an insertion tube 1, and a string is inserted through a press rod 2.

The insertion tube 1 is made of flexible synthetic resin and is formed to have a required diameter suitable for the tampon A and a required length suitable for insertion, and has a spherical tip 11 and radial cuts 12 at the tip. A plurality of guide protrusions 13 extending in a cylindrical direction are arranged at equal intervals on the inside of the rear end.

The press rod 2 consists of an outer cylinder 21 that is slidably fitted inside the plurality of guide protrusions 13, and an inner cylinder 22 that is movably fitted inside the outer cylinder.

The outer cylinder 21 is formed to have approximately half the length of a conventional single press rod, and is provided with an outward flange 211 at its tip, which is slidably fitted into the insertion cylinder 1. At the same time, the inner ends of each of the guide protrusions 13 are made to abut against each other to prevent them from coming off.

The inner cylinder 22 is formed to be slightly longer than the outer cylinder 21, and has a tip 221 slidably fitted into the outer cylinder 21, with a portion below the tip having a slightly smaller diameter, and a finger hook ridge 222 at the end. It is installed protrudingly.

Therefore, a locking means 3 is provided between the distal end of the outer cylinder 21 and the front end of the inner cylinder 22, and the locking means:
An elastic locking piece 31 having a hook-shaped longitudinal section is provided around the inner side of the outer cylinder 21 near the end thereof, and the elastic locking piece 31
The inner edge of the inner tube 22 is slidably elastically fitted to the outer periphery of the intermediate portion of the inner tube 22, and the elastic locking piece 31 is elastically engaged with the outer periphery of the tip 221 of the inner tube 22. A locking groove 32 is provided around the periphery, and a low guide slope 223 is formed below the locking groove.

As shown in FIG. 3, the elastic locking piece 31 is
It may be formed in a series of annular shapes, or as shown in FIG. 4, interruptions 311 may be inserted at various locations.

As shown in Fig. 1, the tampon A is placed inside the insertion tube 1, the string is passed through the push rod 2, and the inner tube 22 of the push rod 2 is retracted. It is considered as a product.

Next, when putting it into use, first, the inner cylinder 2
2 is fully pulled out by hooking the finger on the finger hook ridge 222 (FIG. 5), and the locking means 3 is activated (FIG. 5). Thereby, the press rod 2 becomes sufficiently long and can be used without any trouble.

"Effect of the invention" According to the invention, when the tampon A is stored in the insertion tube 1 and the string is passed through the push rod 2, and the inner tube 22 of the push rod 2 is not yet pulled out. In this state, the outer tube 21 is fitted and held by the plurality of guide protrusions 13 at the rear end of the insertion tube 1, and the outward flanges 211 at the tip of the outer tube 21 are The inner end of the guide protrusion 13 is abutted to prevent it from coming off, and the tip 221 of the outer tube 22 is slidably fitted into the outer tube 21, and the outer periphery of an intermediate portion with a slightly smaller diameter below the tip. is elastically fitted around the inner edge of the elastic locking piece 31 of the outer cylinder 21, so that
Even if both the outer cylinder 21 and the inner cylinder 2 are prevented from free movement and the press rod 2 is in a contracted state, the press rod 2 will not cause any undesirable fluctuation during the product distribution process. It protrudes stably for a long time without causing damage. Therefore, in order to push out the tampon A in the insertion tube 1, the inner tube 22 is pulled out and the push rod 2 is extended, but at the end of this withdrawal, When the locking means 3 works, not only can the push rod 2 be pushed in, but also the locking means 3 has an elastic locking piece with a hook-shaped longitudinal section provided around the inner side of the outer cylinder 21 near the end. 31 and a locking groove 32 provided around the outer periphery of the tip 221 of the inner cylinder 22 are elastically engaged over the entire circumference, so the outer cylinder 21 and the inner cylinder 22 are strongly integrated and immovably connected. As a result, the inner cylinder 22 does not rotate unnecessarily relative to the outer cylinder 21, and of course, it is properly prevented from coming off. Moreover, when pushing in, the outer cylinder 21 does not need to be inserted at the rear end of the insertion cylinder 1. The tampon is properly guided by the plurality of guide protrusions 13 of the tampon, so that unexpected rotation or wobbling does not occur when extruding the tampon, and the conventional inconveniences and inconveniences can be solved.

Moreover, the number of parts does not increase, the structure and manufacture are simple, and the device can be provided at low cost, which is extremely useful in practice.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a longitudinal side view, FIG. 2 is a longitudinal side view in use, FIG. 3 is a bottom view of the outer cylinder, which is a main component, and FIG.
The figure is a bottom view showing another example of the same member, and FIG.
It is an operation explanatory diagram. 1... Insertion tube, 2... Push rod, 3... Locking means,
21... Outer cylinder, 22... Inner cylinder, 31... Elastic locking pawl, 32... Locking groove.

Claims (1)

[Scope of utility model registration request] A push rod 2 in which an outer cylinder 21 and an inner cylinder 22 each having a circular cross section are overlapped in an extensible manner is installed at the rear of the insertion cylinder 1 having a circular cross section, and the outer cylinder 21 and the inner cylinder 22 are connected to each other. In a tampon inserter having a locking means 3 in an extended position between the insertion tube 1
A plurality of guide protrusions 1 forming a cylindrical direction inside the rear end portion
3 are arranged at equal intervals, and the press rods 2 are fitted into a cylindrical outer cylinder 21 that is slidably fitted inside the plurality of guide protrusions 13 and can be pulled out into the outer cylinder. The outer cylinder 21 is composed of a cylindrical inner cylinder 22 and an outer cylinder 21.
is provided with an outward flange 211 at its tip, and the outward flange is slidably fitted into the insertion tube 1, and is brought into abutment against the inner end of each guide protrusion 13 to prevent it from coming off. The inner cylinder 22 is the same as the outer cylinder 2.
The tip portion 221 is formed slightly longer than the outer cylinder 21.
The outer cylinder 21 and the inner cylinder 22 have a locking means 3 between the distal end of the outer cylinder 21 and the inner cylinder 22. The locking means includes an elastic locking piece 31 having a hook-like longitudinal section disposed around the inner side of the outer cylinder 21 near the end thereof, and the inner edge of the elastic locking piece 31 is connected to the outer periphery of the middle part of the inner cylinder 22. A locking recessed groove 32 into which the inner cylinder 22 is slidably and elastically fitted, and the elastic locking piece 31 rides over and elastically engages with the outer periphery of the tip 221 of the inner cylinder 22.
A low guiding slope 2 is provided on the lower side of the locking groove.
23.