JP3121750U - Snorkel waterproofer - Google Patents

Abstract

A snorkel waterproof device is provided that prevents water from entering the snorkel.
A device provided at an upper end of a snorkel, wherein a main body 20 having an opening, a floating body 30 that moves up and down according to a water level, a closing body 40 that closes the opening of the main body, and a plurality of windows It consists of 50 covers with
Among them, the main body is connected to the opening at the upper end of the snorkel, and is connected to the floating body, the closing body and the cover body in addition to having the opening itself. In addition, when the closure body is pulled by the floating body, the lid closes the opening, but the floating body starts to close the opening regardless of whether the floating body is raised. Has a function of interrupting the operation of the closing body, and prevents the opening from being blocked by a malfunction.
[Selection] Figure 4

Description

  The present invention relates to a structure of a waterproof device for a snorkel for swimming (scuba diving, snorkeling and other water sports), and more particularly to a structure for opening and closing an upper end opening of the snorkel.

  Snorkel is a device that is necessary for scuba diving, snorkeling, etc., and is a device that allows inhalation of air when the user raises the top of the snorkel above or below the surface of the water. is there. In addition to preventing waves or splashes from entering the air holes by installing a water proof device, when the entire snorkel is completely submerged, the air hole at the top end is automatically closed, and water enters the snorkel. Prevent ingress and prevent water from entering the user's mouth.

Many of the snorkels that are often seen today are equipped with a waterproof device at the top so that when the snorkel is submerged, the opening is automatically closed. It has a floating body that blocks holes and air passages.
Shown in FIGS. 1 and 2 is a simplified side view of US Pat. No. 5,960,791, in which there is a floating body A, a lid B, an opening C and a cover D indicated by a broken line, this embodiment being Although it is superior to the structure of a general snorkel, it still has the following practical problems.
First, if the user tilts the snorkel as shown in FIG. 2 before the user enters the water, the lid B above the floating body A closes the opening C, and the user It makes it impossible to inhale air.
Second, for users with high vital capacity, despite the fact that the snorkel is being used at a normal angle, a strong suction force is generated due to excessively fast inspiration, which causes the lid B to open the opening C. This creates a situation where the intake is interrupted.
JP-A-10-59280

The previously known structure described above has the following drawbacks.
That is, when the user tilts the snorkel by a large movement as shown in FIG. 2 before the user enters the water, the lid B above the floating body A closes the opening C, and the user removes the air. Inability to inhale.
In addition, for users with high vital capacity, despite the fact that the snorkel is used at a normal angle, a strong suction force is generated due to excessively fast inspiration, whereby the lid B closes the opening C, This creates a situation where inspiration is interrupted.
The subject of the present invention was made in view of the above problems, and the operation of the closing body closing the main body opening by the buoyancy due to the rise of the water level is performed, and the parts of the opening of the lid are indirectly moved. This prevents the lid from closing the opening due to excessively fast intake air, and further prevents the lid from closing the opening due to the inclination of the snorkel. A snorkel waterproof device that can be used.

  In order to solve the above-mentioned problem, the invention of claim 1 is a snorkel waterproof device comprising a main body, a floating body, a closing body and a cover body, wherein the main body has a hollow tubular shape and is attached to an upper end of the snorkel. The opening is extended and connected to the snorkel, and the body below the opening is provided with a floating body and a closing body as a part to be fitted and moved, and the body is the cover. The floating body is a part having a specific gravity smaller than that of water, and the lower part of the floating body is swingably fitted to the body below the opening, and the water level rises. The floating body can be moved up and down by buoyancy of water, and the floating body is provided with a component that pulls the closing body. With the center axis Further, a lid is provided on the upper part of the closing body, and the lid can close the opening by being pulled by the floating body. The cover body has a hollow bowl shape and is connected to the main body, and further has the floating body and the closing body in an internal space to provide a space for moving up and down. A top end of a snorkel, wherein a plurality of holes are provided, and the lid allows the lid to close the opening of the body by pulling the closure body. This is a snorkel waterproof device.

The invention according to claim 2 is characterized in that a first support shaft portion and a second support shaft portion are provided below the opening of the main body and are respectively fitted to a floating body and a closing body. The snorkel waterproof device described.

  The invention of claim 3 is the snorkel waterproof device according to claim 1, wherein a pole body for pulling the closing body is provided on the floating body.

  The invention of claim 4 is the snorkel waterproof device according to claim 1, wherein the floating body is provided with a part that fits with the closing body.

  The invention of claim 5 is the snorkel waterproof device according to claim 4, wherein a microprojection and a recess are provided on the relative positions of the parts to be fitted to each other.

  The invention of claim 6 is the snorkel waterproof device according to claim 1, wherein a hole to which the pole body is pulled is provided in the closing body.

  According to the present invention, the waterproof device of the snorkel is connected to the opening at the upper end of the snorkel, and in addition to having the opening itself, it is connected to the floating body, the closing body and the cover body, and the closing body is pulled by the floating body. As a result, the lid closes the opening. However, if the closing body starts to close the opening even though the floating body is not raised, the floating body interrupts the operation of the closing body, and the opening is blocked due to malfunction. Can be prevented.

As shown in FIGS. 3 and 4, the present invention includes a main body 20, a floating body 30, a closing body 40, and a cover body 50, and is an apparatus provided at the upper end of the snorkel 10.
The main body 20 includes an opening 21, an upper wall 22 that covers the opening 21 to prevent water blown from the snorkel from splashing around, and a first supporting shaft 23 and a second supporting shaft provided below the opening 21. 24,
The floating body 30 has a specific gravity smaller than that of water, and includes a floating body body, a pair of through holes 32, a pole body 33, and at least one fine protrusion 34.
The closing body 40 includes a closing body main body 41, a pair of through holes 42, a lid 43 and a hole 44.

  The cover body 50 has a bowl shape that is attached to the main body 20, and when connected, a space is formed between the main body 20 and the cover body 50, and the floating body 30 and the closing body 40 are accommodated in the space. The cover body 50 protects the floating body 30 and the closing body 40 from moving up and down within the cover body 50, and the floating body 30 and the closing body 40 may malfunction or be damaged by an external impact. To prevent. The cover body 50 has a plurality of windows 51, which are used for entering and exiting water into the cover body 50, and raise and lower the floating body 30 according to the water level.

  The main body 20 is a hollow tube and is attached to the upper end of the snorkel 10. The opening 21 of the main body 20 is directly connected to the snorkel 10 and is used for a user to breathe from the mouthpiece at the lower end of the snorkel 10. An upper wall 22 is provided outside the opening 21 to prevent water from entering the opening 21. On the surface of the main body 20, there are a pair of a first support shaft portion 23 and a second support shaft portion 24 respectively below and below the opening 21, and the upper first support shaft portion 23 is fitted with the floating body 30. The lower second spindle portion 24 is fitted with the closing body 40.

The floating body 30 includes a floating body having a specific gravity smaller than that of water.
The lower part of the floating body has a pair of through-holes 32, and the pair of through-holes 32 are rotatably fitted to the first support shaft portion 23 of the main body 20. A pole body 33 is provided in the middle above the rear part of the floating body,
The pole body 33 is disposed in the hole 44 of the closing body 40, and a pair of fine protrusions 34 are provided on the outer side above the floating body (on both sides below the pole body 33).
The above-described through-hole 32 is fitted with the first support shaft portion 23 and swings about the first support shaft portion 23 as a central axis. That is, the position of the central axis is one side of the floating body of the floating body 30. The floating body is moved up and down by swinging toward the opening 21 of the main body 20 with the first support shaft portion 23 as a central axis in accordance with the elevation of the water level. At the same time that the floating body is moved up and down, the pole body 33 in the hole 44 of the closing body 40 also starts moving up and down, and the closing body 40 is pulled. Even if the floating body 30 is lowered, the microprojection 34 is caught in the recess 46 of the closing body 40 when the closing body 40 is lifted, so that the closing body 40 cannot be lifted, and the lid 43 is accidentally opened. This prevents the portion 21 from being blocked.

The closing body 40 has an arcuate closing body 41 and the space inside the arc is used for the floating body 30 to move up and down. The closed body 41 has a sufficient space for water to flow into. A pair of through holes 42 are provided on both sides of the lower part of the closed body 41, and the through holes 42 are fitted with the second support shaft portion 24 of the main body 20 and swing around the second support shaft portion 24 as a central axis. Move. There is a lid 43 on the upper part of the closure body 41, and when the closure body 41 moves upward to a predetermined position, the lid 43 closes the opening 21 and the opening 21 is sealed. To the state. The arcuate closure body 41 has an elongated belt-like hole 44 (not limited to this shape), and the pole body 33 is caught in the elongated belt-like hole 44.
The pole body 33 raises the closing body 40 by pulling the elongated strip-shaped hole 44 upward at the same time that the floating body 30 rises according to the water level. The closing body 40 rises until the lid 43 seals the opening 21, and the floating body 30 stops the rising because the pole body 33 cannot raise the closing body 40, and the buoyancy of the floating body 30 is closed. The pressure is applied to the body 40, and the pressure with which the lid 43 closes the opening 21 increases. The shape of the lid 43 is not limited to the illustrated one, but the function of the lid 43 is to close the opening 21 and seal the opening 21 so that water does not enter. The frame 45 on either side of the elongate band-shaped hole 44 has at least one indentation 46, and the position of the indentation 46 is just engaged with the microprojection 34 of the floating body 30. For example, when the closing body 40 is raised, the snorkel 10 is excessively tilted, or the instantaneous intake amount at the time of inhalation at the opening 21 is large regardless of whether the floating body 30 is not raised. The body 40 ascends until the indentation 46 is caught by the fine protrusion 34, and the closure body 40 cannot be raised, thereby preventing the lid 43 from closing the opening 21. The inside of the cover body 50 is hollow, and its function is the same as that of the conventional one. By providing a space for moving the internal parts, and when the water level rises and falls, the water can enter and exit the cover body 50 is there. As shown in FIG. 4, the cover body 50 of the present invention has a bowl shape, can be connected to the main body 20, and gives the floating body 30 and the closing body 40 a space that can be moved up and down. The cover body 50 has a plurality of windows 51 and is used for entering and exiting water.

5, 6 and 7 are side views according to an embodiment of the present invention, and the cover body 50 is indicated by a broken line.
FIG. 5 is a side view showing a state in which the main body 20 of the present plan is on the water surface in a normal use state. The floating body 30 is not raised, and the closing body 40 is not raised by the floating body 30.
FIG. 6 is a side view showing a state where the snorkel 10 is abnormally inclined. The floating body 30 has not risen, and the closing body 40 has risen due to factors such as inclination. At this time, the recess 46 is caught by the fine protrusion 34, and the floating body 30 prevents the closing body 40 from rising. Since the closing body 40 cannot be raised any further, the lid 43 naturally does not close the opening 21.
As shown in FIG. 7, when the water level rises, the floating body 30 rises, the pole body 33 of the floating body 30 pulls up the closing body 40, and the lid 43 of the closing body 40 opens the opening 21. It is supposed to block.

  As described above, the device for closing the opening 21 of the present invention includes the floating body 30 and the closing body 40, and performs the operation of closing the opening 21 by the method in which the floating body 30 pulls the closing body 40. It is characterized by. Further, the floating body 30 has a fine projection 34 and is structured to be caught in the recess 46 of the closing body 40. Regardless of whether the floating body 30 is not raised, when the closing body 40 starts to rise, the microprojections 34 are caught in the recesses 46, and the closing body 40 cannot be raised to prevent malfunction.

  Although the present invention discloses preferred embodiments as described above, these are not intended to limit the present invention in any way, and anyone skilled in the art is within the spirit and scope of the present invention. Various changes and modifications can be made. Therefore, the scope of protection of the present invention is based on the contents specified in the claims for utility model registration.

It is a side view which shows a well-known snorkel structure. It is a side view which shows the state which the snorkel and waterproofing device of FIG. 1 inclined. It is a three-dimensional view of the present invention. (The cover body is indicated by a dotted line.) It is a three-dimensional exploded view of the structure of the present invention. It is explanatory drawing of the normal state on the water surface of the structure of this invention. It is explanatory drawing of the inclination state on the water surface of the structure of this invention. It is explanatory drawing of the state under the surface of the water of the structure of this invention.

Explanation of symbols

A Floating body B Lid C Opening part D Cover body 10 Snorkel 20 Main body 21 Opening part 22 Upper wall 23 First support shaft part 24 Second support shaft part 30 Floating body 31 Floating body main body 32 Through-hole 33 Protrusion 34 Microprojection 40 Closure Body 41 Closure body main body 42 Through-hole 43 Lid 44 Hole 45 Frame 46 Recess 50 Cover body 51 Window

Claims (6)

In a snorkel waterproof device comprising a main body, a floating body, a closing body and a cover body,
The body has a hollow tubular shape and is attached to the upper end of the snorkel, and its opening extends to the snorkel and is connected,
The floating body is a part having a specific gravity smaller than that of water, and its lower part is swingably fitted to a main body located below the opening so as to be movable up and down according to the buoyancy with respect to water. The floating body is provided with a part that pulls the closing body along with its up-and-down movement,
The lower part of the closing body is connected to the main body and a fitting member so as to be swingable. Further, a lid is provided on the upper part of the closing body, and the closing body is pulled and swung by the floating body. The lid can close the opening by moving;
The cover body has a hollow bowl shape and is provided with a plurality of holes for entering and exiting water. The cover body is connected to the main body and accommodates the floating body and the closing body in an internal space. Provide a space for up and down movement,
A snorkel waterproof device provided at the upper end of the snorkel.   2. The snorkel according to claim 1, wherein a first support shaft portion and a second support shaft portion are provided below the opening of the main body so that the floating body and the closing body are swingably fitted to each other. Waterproofer.   2. The snorkel waterproof device according to claim 1, wherein a pole body engaging with the closing body for pulling the closing body is provided on the floating body.   The snorkel waterproof device according to claim 1, wherein the floating body is provided with a part that fits with the closing body.   5. The snorkel waterproof device according to claim 4, wherein a fine protrusion and a recess are provided on a relative position of the parts to be fitted to each other.   2. The snorkel waterproof device according to claim 1, wherein a hole through which the pole body is pulled is provided in the closing body.

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