JPH08633U - Drain plug for cold storage box for fishing - Google Patents

Abstract

(57) [Summary] [Purpose] A water stopper for a cold-keeping box for fishing is designed so that water and sand accumulated inside the box can be discharged without hindrance, and the stopper is attached when screwed. Be careful not to damage the screw that is screwed to the cylinder to which it is screwed. [Structure] The water groove 5 is formed in the lower portion of the female screw 5a of the drainage cylinder 5.
b is engraved, and on the other hand, a male screw 8 screwed into the female screw
A plug body 8 provided with a is provided, and this plug body is provided with a handle portion 8c having a ring-shaped end surface s formed on the proximal end side of the male screw and the female screw on the distal end side of the male screw closely. A water drain plug for a cold-keeping box for fishing, which is provided with a guide portion 8d having a circumferential surface m to be fitted therein, and the ring-shaped end surface is in contact with the end surface of the tubular body through a packing 9.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a water stopper for a cold insulation box for fishing.

[0002]

[Prior art]

 For the drainage stopper of the cold insulation box for fishing, a cylindrical body with female threads is fixed to the bottom of the side wall of the box body in a penetrating manner, and the plug body is screwed into this cylindrical body, and the cylindrical body is inserted through a 0 ring packing or the like. It is designed to block.

[0003]

[Problems to be solved by the device]

 When a cool box for fishing is used, it is normal for foreign matter such as sand to be mixed in the box body, but if water is drained in such a state, it will become a gap between the plug and the cylinder. The sand may be caught and damage the O-ring packing, or when the plug is completely removed and the plug is screwed in again, the plug is inserted at an angle with respect to the cylinder, and it is impossible to do so. It may be screwed in or screwed with sand etc. caught between the screw parts, and the screw parts may be galled or damaged. An object of the present invention is to provide a water drain plug for a cold insulation box for fishing that can solve such problems.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, in the present invention, a female screw is provided on the inner peripheral surface of the water draining cylinder, and a channel groove in the axial direction is engraved in the lower portion of the same surface. A plug body having a male screw is provided, and this plug body has a handle portion having a ring-shaped end face that abuts the end face of the cylindrical body on the proximal end side of the male screw and A guide portion having a circumferential surface that is tightly fitted in the female screw is provided on the tip end side, and the annular end surface is in contact with the end surface of the cylindrical body via a packing. To do.

[0005]

[Action]

 Normally, the plug body is screwed into the tubular body, and the ring-shaped end surface of the handle portion is securely brought into contact with the end surface of the tubular body via the packing. On the other hand, when draining water, the plug body can be loosened from the cylindrical body, and the ring-shaped end surface of the handle portion is separated from the end surface of the cylindrical body. As a result, the ditch allows water and sand in the box to flow out horizontally, and the ring-shaped end face then guides the water discharged in this way downwards.

[0006]

【Example】

 Hereinafter, a specific embodiment of the present invention will be described with reference to FIGS. In the figure, 1 is an outer box that forms a part of the box body of the cold insulation box for fishing, 2 is an inner box, and 3 is a heat insulation box interposed between the outer box 1 and the inner box 2. Reference numeral 4 is a recess provided in the lower portion of the side wall of the outer box. Reference numeral 5 denotes a water draining cylinder that is inserted into through holes h provided in the outer box 1, the heat insulating box 3 and the inner box 2 that are stacked in the recess 4. As shown in FIG. 6, this cylindrical body 5 is provided with a female screw 5a on the inner peripheral surface thereof, and a water channel groove 5b having a proper depth connecting from one end surface to the other end surface at the lower portion of the same surface, so that the outer peripheral surface is required. A male screw 5c is provided within the range, and a flange portion 5d is provided on one end surface. 6 is a packing interposed between the inner box 2 and the flange portion 5d. Reference numeral 7 is a nut screwed to the male screw 5c, and the outer box 1, the inner box 2 and the packing 6 are firmly sandwiched between this and the flange portion 5d. Reference numeral 8 is a plug body screwed into the female screw 5a of the tubular body 5. As shown in FIG. 5, the plug 8 is provided with a male screw 8a screwed into the female screw 5a, and a packing groove 8b is provided on the base end side of the male screw 8a, and the barrel 8 is continuously connected to the packing groove 8b. A grip portion 8c having a ring-shaped end surface s that is brought into contact with the end surface of the body 5 is provided, and a peripheral surface m that is closely fitted in the female screw 5a is provided on the tip side of the male screw 8a. In addition to the provided guide portion 8d, the end face of the guide portion 8d is provided with a fall-preventing member 8e formed in a T shape and capable of bending. Since the ring-shaped end surface s is desired to have a relatively large outer diameter, it is preferably made larger than the outer diameter of the cylindrical body 5. Reference numeral 9 is a ring-shaped packing fitted on the packing groove 8b of the plug body 8. Reference numeral 10 is a water collecting recess formed on the bottom surface of the box body.

Next, an example of use of the product of the present invention and its operation will be described. In the normal use state of the cold storage box for fishing, the plug body 8 is firmly screwed to the tubular body 5. In this state, the ring-shaped end surface s of the plug body 8 firmly presses the packing 9 against the end surface of the tubular body 5, so that the water channel groove 5 b is formed by the close contact of the ring-shaped end surface s, the packing 9, and the end surface of the tubular body 5 with each other. The passage is blocked, and the water and sand in the box are retained in the water collecting recess 10.

On the other hand, when draining water, the screwing of the plug body 8 to the tubular body 5 is loosened so that the ring-shaped end surface s is separated from the end surface of the tubular body 5. As a result, the packing 9 is displaced to the same body as the plug body 8, and the packing 9 is separated from the end surface of the tubular body 5 as shown in FIG. 4B. Therefore, water, sand, etc. accumulated in the water collecting recess 10 can be smoothly discharged through the water channel groove 5b without passing between the screwing portions of the male screw 8a and the female screw 5a. The sand or the like flowing along the surface of the female screw 5a on the inner side of the tubular body 5 is washed away by water into the water channel groove 5b. Further, the waterway groove 5b guides water and sand horizontally toward the annular end surface s of the handle portion 8c, and the annular end surface s guides the water reaching it downwards this time. Therefore, water, sand, etc. will flow out along the route shown by the arrow in the figure, and it will not directly wet the person draining water.

Further, depending on the situation of draining water, the stopper 8 may be completely removed from the tubular body 5. When restoring this, the guide portion 8d of the stopper 8 is first inserted into the tubular body 5. Then, a screwing operation is performed. Since the guide portion 8d has its peripheral surface closely fitted to the inner surface of the female screw 5a, the directionality of the plug body 8 is inevitably specified. It shall be inserted straight and screwed in.

[0010]

[Effect of device]

 According to the above-mentioned present invention, water and sand in the box body are not allowed to pass through the lower surface of the threaded surface of the cylindrical body, but are smoothly discharged through the water channel groove which is one step lower than this lower surface. Since it does not remain on the surface, it is possible to effectively prevent galling of the neck portion by foreign matter such as sand. Also, since the structure does not have an O-ring, there is no problem of damage. The plug body is always inserted straight into the cylinder and screwed into the cylinder due to the presence of the guide portion.Therefore, the galling of the screw part occurs due to the plug body being obliquely screwed into the cylinder body. There is nothing in it.

[Brief description of drawings]

FIG. 1 is a front sectional view showing a part of a cold keeping box for fishing embodying the present invention.

FIG. 2 is a left side view of a part of the cold keeping box for fishing shown in FIG.

FIG. 3 is a sectional view taken along the line AA of FIG.

4A and 4B are views for explaining the use of the product of the present invention, in which FIG. 4A shows a normal closed state, and FIG.

FIG. 6 is a view showing a stopper according to the present invention.

FIG. 7 is a view showing a cylinder according to the present invention.

[Explanation of symbols]

 5 Drainage cylinder 5a Female screw 5b Water channel groove 8 Plug 8a Male screw 8c Handle part 8d Guide part 9 Packing m Circumferential surface s Ring-shaped end surface

[Procedure amendment]

[Submission date] October 14, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a front sectional view showing a part of a cold keeping box for fishing embodying the present invention.

FIG. 2 is a left side view of a part of the cold keeping box for fishing shown in FIG.

FIG. 3 is a sectional view taken along the line AA of FIG.

4A and 4B are views for explaining the use of the product of the present invention, in which FIG. 4A shows a normal closed state, and FIG.

FIG. 5 is a view showing a stopper according to the present invention.

FIG. 6 is a view showing a cylinder according to the present invention.

[Explanation of symbols] 5 Cylindrical body 5a Female screw 5b Water channel groove 8 Plug body 8a Male screw 8c Handle part 8d Guide part 9 Packing m Circumferential surface s Ring-shaped end surface

[Procedure amendment 4]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 5

[Correction method] Change

[Correction content]

[Figure 5] ─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] November 8, 1993

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a front sectional view showing a part of a cold keeping box for fishing embodying the present invention.

FIG. 2 is a left side view of a part of the cold keeping box for fishing shown in FIG.

FIG. 3 is a sectional view taken along the line AA of FIG.

4A and 4B are views for explaining the use of the product of the present invention, in which FIG. 4A shows a normal closed state, and FIG.

FIG. 5 is a view showing a stopper according to the present invention.

FIG. 6 is a view showing a cylinder according to the present invention.

Claims (1)

[Scope of utility model registration request] 1. A plug body having a female screw on the inner surface of a water draining cylinder and an axial water channel groove formed on the lower portion of the inner surface, while having a male screw screwed onto the female screw. This plug body is provided with a handle portion having a ring-shaped end face that abuts on the end face of the cylindrical body on the proximal end side of the male screw, and at the tip end side of the male screw is closely packed with the female screw. A water stopper for a cold-keeping box for fishing, comprising a guide portion having a circumferential surface to be fitted therein, and the ring-shaped end surface is in contact with the end surface of the tubular body through a packing.