JPH11309044A - Cap and water filling bag for water bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap and a water filling bag for a water bed, which are comfortable to use and difficult to break. SOLUTION: The wall part of a base part 2 surrounds a male screw cylinder part and one end is provided higher than one end of the male screw cylinder part inserting an interval between with the male screw cylinder part. A bottom part closes a space between the other tip of the male screw cylinder part and another end of the wall part. A flange part is provided outside of one tip of the wall part. The end face part of a cap 3 is provided at one tip of the male screw cylinder part to clog the inside of the male screw cylinder part, which is provided with a female screw 33 on its inner periphery. The cap 3 is arranged lest the male screw projects from one tip of the wall part when the male screw is screwed with the male screw 25 of the male screw cylinder part and its end face part clogs the male screw cylinder part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container lid and a water filling bag for a water bed.

[0002]

2. Description of the Related Art As a conventional lid, a male threaded cylindrical portion having an external thread on the outer periphery is formed integrally with a container and protrudes from the container, and a cap having an internal thread on the inner periphery is detachably engaged with the external thread and the internal thread. What is put on a male screw cylinder part is well known.

[0003]

However, in the conventional lid, since the externally threaded cylindrical portion protrudes from the container, when used in a water-filled bag for a water bed, the cap hits the body and makes the user feel uncomfortable. In addition, there has been a problem that the cap or the external threaded cylinder portion is likely to be damaged by hitting the surroundings.

The present invention has been made in view of such conventional problems, and an object of the present invention is to provide a lid and a water-sealing bag for a water bed that are easy to use and are not easily damaged.

[0005]

In order to achieve the above-mentioned object, a lid according to the present invention has a base and a cap; said base is formed by integrating a male screw cylinder, a wall, a bottom, and a flange. The externally threaded cylindrical portion has an externally threaded outer periphery, and the wall portion surrounds the externally threaded cylindrical portion and has one end spaced from the externally threaded cylindrical portion, and one end thereof is closer to one end of the externally threaded cylindrical portion. Being provided high, the bottom portion closing between the other end of the external threaded tube portion and the other end of the wall portion, and the flange portion being provided outside the one end of the wall portion; And an end surface portion is provided at one end of the internal thread tube portion to close the inside of the internal thread tube portion, and the internal thread tube portion is lower than the height of the wall portion and the external thread tube portion. And a female screw which can be disposed between the wall portion and is screwed with the male screw on the inner periphery. And, said cap to be placed so as not to protrude from the one end of the wall portion when the end surface portion the internal thread is screwed into the male screw closes the male screw cylindrical portion, and wherein.

[0006] The lid according to the present invention is used by attaching a flange portion around an opening of a container. Water can be injected into the container from the male screw cylinder. The cap is arranged at the same height or lower than one end of the wall when the female screw is screwed with the male screw and the end face covers the male screw cylinder. For this reason, when used for a water-filled bag for a water bed, the cap does not irritate the body and is comfortable to use. In addition, the cap or the externally threaded cylindrical portion hardly hits the surroundings and is hardly damaged.

According to a second aspect of the present invention, there is provided a lid according to the first aspect, further comprising an inner plug, wherein the inner plug has a fitting cylinder, an inner plug bottom, a knob, and an inner plug flange. The fitting tube portion can be fitted inside the male screw tube portion, and the inner plug bottom is provided at one end of the fitting tube portion to block the inside of the fitting tube portion, The knob portion is provided on the bottom portion of the inner plug inside the fitting tube portion, and the inner flange portion is provided outside the other end of the fitting tube portion.

According to a second aspect of the present invention, there is provided a cover according to the present invention, wherein a fitting cylindrical portion of the inner plug is fitted inside the male screw cylindrical portion, and the inner plug flange portion is covered on one edge of the male screw cylindrical portion. The barrel can be plugged. By placing a cap on the male screw cylinder from above the inner plug and screwing the female screw into the male screw, the inner plug can be held down by the cap. The inner plug is
It can be easily removed by pulling the knob with pliers or the like.

A water-filled bag for a water bed according to the present invention has an inner bag and an outer bag, wherein the inner bag has an opening, and the flange portion of the lid according to claim 1 or 2 is outside the opening. The outer bag is adhered to the periphery, and the outer bag has a volume smaller than the maximum volume of the inner bag, and houses the inner bag so as to be able to be taken out.

[0010] The water-filled bag for a waterbed according to the present invention uses the lid of claim 1 or 2, so that the cap does not hit the body and is not irritating, and the comfort is good. In addition, the cap or the externally threaded cylindrical portion hardly hits the surroundings and is hardly damaged. Since the water-filled bag has the inner bag and the outer bag, even if the inner bag leaks water, the outer bag can prevent and prevent the surroundings from getting wet. Since the outer bag has a smaller volume than the maximum volume of the inner bag, it can fill the outer bag well without filling the inner bag with the maximum amount of water, and as the body weight moves, the water moves inside the outer bag to improve sleeping comfort. You can prevent it from going bad. Further, since the inner bag is not used with water being filled up to the maximum, the load of the internal pressure is reduced, and water leakage hardly occurs.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 6 show an embodiment of the present invention. As shown in FIG. 1, the lid 1 has a base 2, a cap 3, and an inner plug 4. As shown in FIG. 2, the base 2 integrally has a male screw cylinder 21, a wall 22, a bottom 23, and a flange 24. The male screw cylinder 21 is cylindrical and has a male screw 25 on the outer periphery.
The wall portion 22 surrounds the male screw tube portion 21, and has one end 22 a higher than the one end 21 a of the male screw tube portion 21 with a space between the wall portion 22 and the male screw tube portion 21. An annular groove is formed between the wall portion 22 and the externally threaded cylindrical portion 21. Bottom 23
Are the other end 21b of the male screw cylinder 21 and the other end 22 of the wall 22.
b. The flange portion 24 is provided outside one end 22 a of the wall portion 22.

As shown in FIG. 3, the cap 3 has an end face 31 and a female screw cylinder 32. The end face part 31 is provided at one end 32 a of the female screw cylinder part 32 and closes the inside of the female screw cylinder part 32. The female screw cylinder portion 32 is cylindrical, and is lower than the height of the wall portion 22.
And can be arranged between them. The female screw cylinder portion 32 has a female screw 33 screwed with the male screw 25 on the inner periphery. Female thread tube part 3
The outer periphery of 2 is provided with a non-slip. Cap 3
Is arranged so that when the female screw 33 is screwed with the male screw 25 and the end face 31 closes the male screw cylinder 21, it does not protrude from one end 22 a of the wall 22. The cap 3 has a circular concave portion 34 on the outer surface of the end face portion 31. The circular concave portion 34 is partitioned by a partition wall 35, and has a concave portion 36 in which coins can be inserted vertically inside the partition wall 35. The circular recess 34 is
It protrudes inside.

As shown in FIG. 4, the inner plug 4 is
1, an inner plug bottom 42, a knob 43, and an inner plug flange 44. The fitting tube 41 has a cylindrical shape and can be fitted inside the male screw tube 21. The circular concave portion 34 of the cap 3 has a size that can be inserted into the fitting tubular portion 41. The inner plug bottom portion 42 is provided at one end 41 a of the fitting tube portion 41 and closes the inside of the fitting tube portion 41. Knob 43
Is elongated and is provided on the inner plug bottom portion 42 inside the fitting tube portion 41. The inner plug flange portion 44 is provided outside the other end 41 b of the fitting tubular portion 41. When the fitting tube 41 is fitted to the male screw tube 21, the inner plug flange 44 has an outer diameter slightly smaller than the outer diameter of the one end 21 a of the male screw tube 21.

As shown in FIG. 5, the water-filled bag 5 for a water bed comprises an inner bag 6 and an outer bag 7. The inner bag 6 has an opening. The flange 24 of the lid 1 is adhered to the outer periphery of the opening. The outer bag 7 has a smaller volume than the maximum volume of the inner bag 6, and accommodates the inner bag 6 so as to be able to be taken out from the accommodation port 7a. The amount of water to be put into the inner bag 6 is suitably about 80% of the volume. 3 water-filled bags 1
It is a set and is housed in the housing portion 8a of the water bed main body 8 shown in FIG. 6 to constitute a water bed.

Next, the operation will be described. The water-filled bag 5 for the water bed can be poured into the inside of the inner bag 6 from the male screw cylinder 21. The lid 1 fits the fitting tube 41 of the inner plug 4 inside the male screw tube 21 and covers the inner plug flange 44 on the edge of one end 21 a of the male screw tube 21, so that Can be plugged. The cap 3 can be pressed by the cap 3 by putting the cap 3 on the male screw cylinder 21 from above the inner plug 4 and screwing the female screw 33 to the male screw 25. The inner plug 4 can be easily removed by pinching the knob 43 with pliers or the like and pulling.

The lid 1 is provided with a concave portion 3 of the end face 31 of the cap 3.
6, the coin is inserted vertically and twisted to make the cap 3
Can be easily opened and closed. When the female screw 33 of the cap 3 is screwed into the male screw 25 of the male screw cylinder 21 in a state where the inner plug 4 is fitted to the male screw cylinder 21, and the male screw cylinder 21 is closed by the end face 31, the circular recess 34 is Fitting tube 41
Is inserted into. Therefore, the circular recess 34 and the recess 36
Does not hinder the cap 3 from closing the male screw cylinder 21.

The cap 3 is disposed slightly lower than the one end 22a of the wall 22 when the female screw 33 is screwed with the male screw 25 and the end face 31 closes the male screw cylinder 21 from above the inner plug 4. For this reason, the cap 3 does not hit the body and is not irritating, and the comfort is good. In addition, the cap 3 or the male threaded tube portion 21 hardly hits surrounding objects and is hardly damaged.

Since the water-filled bag 5 for the water bed has the inner bag 6 and the outer bag 7, even if the inner bag 6 leaks water, the outer bag 7 prevents the surroundings from getting wet. Can be. Since the outer bag 7 has a smaller volume than the maximum volume of the inner bag 6, even if the inner bag 6 is not filled with water to the maximum, the inside of the outer bag 7 is sufficiently filled. It is possible to prevent the outer bag 7 from moving and tilting to make the sleeping comfort worse. Further, since the inner bag 6 is not used with water being supplied to the maximum, the load of the internal pressure is reduced, and water leakage hardly occurs. The water bed using the water-filled bag 5 is less likely to rub on the floor and is suitable for nursing care.

[0019]

According to the lid and the water-filled bag for the water bed according to the present invention, the user-friendliness is good and it is hard to break.

In particular, according to the lid according to the second aspect of the present invention, the male screw cylinder can be plugged with the inner plug, and the inner plug can be easily removed with the knob.

In particular, according to the water-filled bag for a water bed according to the present invention, even if the inner bag leaks water, the surrounding bag can be prevented from getting wet by the outer bag, and the weight of the body can be reduced. It is possible to prevent the water from moving inside the outer bag as it moves, thereby making the bed uncomfortable, and furthermore, since the inner bag is not used with water filled up to the maximum, water leakage hardly occurs.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a lid according to an embodiment of the present invention.

FIGS. 2A and 2B are a plan view and a side view showing a base of the lid of FIG.

FIG. 3A is a plan view showing the lid cap of FIG. 1;
(B) It is a side view.

4A is a plan view and FIG. 4B is a side view showing the inner plug of the lid shown in FIG.

FIG. 5 is a front view showing a water filling bag for a water bed according to the embodiment of the present invention.

FIG. 6 is a perspective view showing a water bed main body accommodating the water sealing bag of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lid 2 Base part 3 Cap 4 Inner plug 5 Water sealing bag 6 Inner bag 7 Outer bag 21 Male screw cylinder part 22 Wall part 23 Bottom part 24 Flange part 25 Male screw 31 End face part 32 Female screw cylinder part 33 Female screw

Claims (3)

[Claims] 1. A base comprising: a base; and a cap, wherein the base integrally includes a male screw cylinder, a wall, a bottom, and a flange, wherein the male screw cylinder has a male screw on an outer periphery thereof, and The part surrounds the external threaded cylinder and is provided with one end higher than one end of the external threaded cylinder at an interval between the externally threaded cylinder and the bottom portion of the other end of the externally threaded cylinder and the wall. The flange portion is provided outside the one end of the wall portion, the cap has an end surface portion and a female screw tube portion, and the end surface portion is one end of the female screw tube portion. Is provided to close the inside of the female screw tube portion, the female screw tube portion is lower than the height of the wall portion and can be arranged between the male screw tube portion and the wall portion, and the inner screw is The cap has an internal thread that is screwed into the cap. Lid and, and wherein the parts are arranged so as not to protrude from the one end of the wall portion when closing the male screw cylindrical portion. 2. An inner plug, wherein the inner plug has a fitting tube portion, a bottom portion of the inner plug, a knob, and a middle plug flange portion, and the fitting tube portion is fitted inside the male screw tube portion. The inner plug bottom is provided at one end of the fitting tubular portion to close the inside of the fitting tubular portion, and the knob is provided inside the fitting tubular portion at the inner plug bottom. 2. The lid according to claim 1, wherein the inner plug flange portion is provided outside the other end of the fitting tube portion. 3. An inner bag and an outer bag, wherein the inner bag has an opening, and a flange portion of the lid according to claim 1 or 2 is adhered to an outer periphery of the opening. A water-sealed bag for a water bed, characterized in that the inner bag has a smaller volume than the maximum volume of the inner bag and the inner bag is removably accommodated therein.