JP3053801U - Water filling bag for lid and water bed - Google Patents

Abstract

(57) [Summary] (With correction) [Problem] It has good user-friendliness and is not easily damaged. A wall of a lid mounting base (2) surrounds a male screw cylinder, and an upper end is provided higher than an upper end of the male screw cylinder with an interval between the wall and the bottom, and a bottom part is provided with a lower end of the male screw cylinder. Close the bottom of the wall. The cap 3 has a concave portion on its end face into which coins can be inserted vertically, and is arranged so as not to protrude from the upper end of the wall when the female screw is screwed into the male screw. An inner plug 4 can be fitted inside the male screw cylinder.
Used as a water supply port for a water-filled bag for a water bed.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a container lid and a water-filled bag for a water bed.

[0002]

[Prior art]

 As a conventional lid, a male screw cylinder portion having an external thread on the outer periphery is formed integrally with the container and protrudes from the container, and a cap having an internal thread on the inner periphery is detachably screwed into the male screw and the female screw to form a male screw cylinder. What can be covered is well known.

[0003]

[Problems to be solved by the invention]

 However, in the conventional lid, since the male screw cylinder projects from the container, when used for a water-filled bag for a water bed, the cap hits the body, making it uncomfortable, and the cap or the male screw cylinder may be used in the surrounding area. There was a problem that the object was easily damaged.

The present invention has been made in view of such conventional problems, and has as its object to provide a lid which is easy to use, is not easily damaged, and a water-filled bag for a water bed. I have.

[0005]

[Means for Solving the Problems]

 To achieve the above object, a lid according to the present invention includes a base and a cap; the base integrally includes a male screw cylinder, a wall, a bottom, and a flange; Has an external thread on the outer circumference, the wall portion surrounds the external thread tube portion, and one end is provided at an interval between the external thread tube portion and the one end higher than one end of the external thread tube portion, and the bottom portion is The flange closes between the other end of the male threaded cylinder and the other end of the wall, the flange is provided outside the one end of the wall; the cap has an end face and a female threaded cylinder. The end face portion is provided at one end of the female screw tube portion to close the inside of the female screw tube portion, and the female screw tube portion is lower than the height of the wall portion and is formed between the male screw tube portion and the wall portion. The cap has a female screw on the inner periphery for screwing with the male screw. Internal thread that said end face portion screwed with the external thread are arranged so as not to protrude from the one end of the wall portion when closing the male screw cylindrical portion, and wherein.

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 placed at the same height or lower than one end of the wall when the female screw is screwed into the male screw and the end face covers the male screw cylinder. Therefore, when used in a water-filled bag for a water bed, the cap does not hit the body and is not irritating, and the comfort is good. Also, the cap or the male threaded tube portion is unlikely to hit surroundings and is not easily damaged.

In the lid according to the present invention, the fitting tube portion of the inner plug is fitted into the inside of the male screw tube portion, and the inner plug flange portion is covered on one edge of the male screw tube portion. 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 can be easily removed by pulling the knob with pliers.

Further, the lid according to the present invention can facilitate opening and closing of the cap by vertically inserting and twisting a coin into the recess at the end face of the cap. When the female screw of the cap is screwed into the male screw of the male screw cylinder while the inner plug is fitted to the male screw cylinder, and the male screw cylinder is closed at the end face, the recess is inserted into the fitting cylinder. For this reason, the recess does not hinder the cap from closing the male screw cylinder.

[0009] The water-filled bag for a water bed according to the present invention has an inner bag and an outer bag, the inner bag has an opening, and the flange portion of the lid according to the present invention is provided outside the opening. The outer bag, which is attached to the periphery, has a smaller volume than the maximum volume of the inner bag, and houses the inner bag in a removable manner.

[0010] Since the water-filled bag for a water bed according to the present invention uses the lid according to the present invention, the cap does not hit the body and is not irritating, so that the comfort is good. In addition, the cap or the male screw cylinder is hard to hit surroundings and is hard to break. 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 fills the outer bag sufficiently without filling the inner bag with water, and the water moves inside the outer bag as the body weight moves, making it comfortable to sleep. Can be prevented from becoming worse. In addition, since the inner bag is not used with water filled up to the maximum, the burden of internal pressure is reduced and water leakage hardly occurs.

[0011]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described 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 has an externally threaded cylindrical portion 21, a wall 22, a bottom 23, and a flange 24 integrally. 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. The bottom 23 closes the space between the other end 21 b of the male screw cylinder 21 and the other end 22 b of the wall 22. 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 part 31 and a female screw cylinder part 32. The end face portion 31 is provided at one end 32 a of the female screw tube portion 32 and closes the inside of the female screw tube portion 32. The female screw cylinder 32 has a cylindrical shape and is lower than the height of the wall 22 and can be arranged between the male screw cylinder 21 and the wall 22. The female screw cylinder portion 32 has a female screw 33 screwed with the male screw 25 on the inner periphery. A non-slip is provided on the outer periphery of the female screw tube portion 32. The cap 3 is arranged so that the female screw 33 is screwed with the male screw 25 and the end face 31 does not protrude from one end 22 a of the wall 22 when the end face 31 closes the male screw cylinder 21. 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 inside the partition wall 35 into which coins can be inserted vertically. The circular recess 34 protrudes inside the female screw cylinder 32.

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

As shown in FIG. 5, the water-filled bag 5 for a water bed includes 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 volume smaller 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. It is appropriate that the amount of water to be put in the inner bag 6 is about 80% of the volume. The water enclosing bag 5 is a set of three, 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 is formed by fitting the fitting tube portion 41 of the inner plug 4 into the inside of the male screw tube portion 21 and covering the inner plug flange portion 44 on the edge of one end 21 a of the male screw tube portion 21. 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 can easily open and close the cap 3 by vertically inserting a coin into the concave portion 36 of the end surface 31 of the cap 3 and twisting the coin. When the female screw 33 of the cap 3 is screwed into the male screw 25 of the male screw cylinder 21 with the inner plug 4 fitted in the male screw cylinder 21, and the male screw cylinder 21 is closed by the end face 31, the circular recess 34 becomes It is inserted into the fitting cylinder 41. For this reason, the circular concave portion 34 and the concave portion 36 do not hinder the cap 3 from closing the screw cylinder 21.

The cap 3 is disposed slightly lower than the one end 22 a of the wall 22 when the female screw 33 is screwed into 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 irritate by hitting the body, and the comfort is good. In addition, the cap 3 or the externally threaded cylindrical portion 21 hardly hits the surroundings 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. I can do it. 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 outer bag 7 can be sufficiently filled. Can be moved to prevent the outer bag 7 from tilting and making it difficult to sleep. In addition, since the inner bag 6 is not used with water being filled up to the maximum, the load of the inner 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]

[Effect of the invention]

 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. Further, according to the lid 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. Further, according to the lid of the present invention, a coin can be inserted into the concave portion to facilitate opening and closing of the cap, and the concave portion does not hinder the cap from closing the male screw cylinder.

In particular, according to the water-filled bag for a water bed according to the present invention, even if the inner bag leaks, it is possible to prevent the surroundings from getting wet with the outer bag and to prevent the body bag from getting wet. Water can be prevented from moving inside the outer bag as it moves, making it difficult to sleep.Furthermore, the inner bag is less likely to leak water because it is not used with water filled to the maximum. .

[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 (2)

[Utility model registration claims] 1. A base having a base, a cap, and an inner plug, wherein the base integrally includes a male screw cylinder, a wall, a bottom, and a flange, and the male screw cylinder has an external thread on an outer periphery. The wall portion surrounds the external threaded tube portion, and is provided with one end higher than one end of the externally threaded tube portion with an interval between the externally threaded tube portion and the bottom portion connected to the other end of the externally threaded tube portion. The flange portion is provided outside the one end of the wall portion, the cap has an end surface portion and a female screw cylinder portion, and the end surface portion is the female screw. The female screw cylinder is provided at one end of the cylinder to close the inside of the female screw cylinder, and the female screw cylinder is lower than the height of the wall and can be disposed between the male screw cylinder and the wall, and has an inner periphery. The female screw has a female screw to be screwed with the male screw, and the cap has the female screw screwed with the male screw. The end face is disposed so as not to protrude from the one end of the wall when closing the male screw cylinder, and the cap has a recess on an outer surface of the end face, in which coins can be vertically inserted, Has a size that protrudes inside the female threaded cylinder and can be inserted into the fitting cylinder, and 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 portion is provided at one end of the fitting tube portion to close the inside of the fitting tube portion, and the knob A lid is provided on the inside plug bottom inside the fitting tube portion, and the inside plug flange portion is provided outside the other end of the fitting tube portion. 2. An inner bag and an outer bag, wherein the inner bag has an opening, a flange portion of the lid according to claim 1 is adhered to an outer periphery of the opening, and the outer bag is formed of the inner bag. A water-filled bag for a water bed, wherein the volume is smaller than the maximum volume of the bag, and the inner bag is housed so as to be able to be taken out.