JPH10218082A - Exhaust valve - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce an amount of air required for forced exhaust, by additionally providing an automatic function capable of automatically exhausting air in the vicinity of an exhaust valve. SOLUTION: In this exhaust valve 2, air in an air tank is blown out through a space of an exhaust valve unit 7, air around the space is forcedly exhausted with high speed air. Here, a forced exhaust button 17 and a manual/auto switching dial 18, 20 are provided, in an exhaust valve 2, in addition to a manual function, an automatic function is assembled, the manual/auto function is switched, at respectively operating time of the manual/auto function, forced exhaust can be freely operated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention makes it possible to manually or automatically exhaust air in a dry suit, a balancing vest, or the like, and to forcibly exhaust air during manual operation and automatic operation. It relates to an exhaust valve.

In particular, when exhausting air in a dry suit, a balancing vest, or the like, forced exhaust requires a large amount of air from an air tank. However, since the capacity of the air tank is limited, it is necessary to reduce the amount of air remaining in a dry suit, a balancing vest, or the like to be forcibly exhausted. The present invention relates to an exhaust valve provided with a manual or automatic function, which can exhaust air near an exhaust valve by an automatic function or a manual function, and can reduce the amount of air to be forcibly exhausted.

[0003]

2. Description of the Related Art Conventionally, in a dry suit or a balancing vest, when a diver dives (enters) in water, air in the dry suit or a balancing vest is discharged to reduce buoyancy. On the other hand, when flying, the air in the air tank is supplied into the dry suit or the balancing vest to increase the buoyancy.

[0004] In order to exhaust air from these dry suits, balancing vests and the like, a natural exhaust valve having a manual function as an exhaust valve (Japanese Utility Model Application Laid-Open No. 48-60299).
JP-A-63-25193 and Japanese Patent Application No. 8-521 relating to the invention of the inventor of the present invention.
No. 1) is used.

[0005]

In Japanese Utility Model Laid-Open Publication No. 48-60299 using a natural exhaust valve, air near the exhaust valve can be exhausted using a manual function. There is a problem that air staying in other parts other than the vicinity cannot be exhausted. Therefore, it is necessary for the diver to move his body in the water and guide the air remaining in other parts near the exhaust valve and exhaust it using the manual function, and for beginners, guide the air near the exhaust valve It was difficult to do so and I couldn't exhaust enough. for that reason,
For beginners, there is a problem that the air in the dry suit does not escape well and it is difficult to dive.

[0006] From these, the inventor of the present invention,
Previously, there was a forced exhaust valve that exhausts the air inside the dry suit to every corner and allows easy entry.
3-25193 and Japanese Patent Application No. 8-5211. When these valves blow out the air in the air tank from the intake valve through the narrow gap of the exhaust valve,
It utilizes the fact that the pressure of air passing through the gap at high speed drops (Bernoulli's theorem). These valves generate a low-pressure part in the gap due to a decrease in the pressure of the air passing through the gap at a high speed, and suck the air dispersed and accumulated in every corner in the dry suit into the low-pressure part. And forced exhaust.

[0007] However, these forced exhaust valves require a large amount of air in the air tank to blow out the air in the air tank from the intake valve more vigorously than the exhaust valve. There is a limit, and there is a problem that the dive time is shortened.

According to the present invention, air coming to the vicinity of an exhaust valve can be exhausted by an automatic function or a manual function, and only air remaining in a portion other than the vicinity of the exhaust valve is forcibly exhausted to reduce the amount of air required for forced exhaust. The purpose of the present invention is to provide an exhaust valve provided with manual, automatic and automatic functions.

[0009]

According to the present invention, an automatic function is incorporated in a forced exhaust valve having a manual function so that the manual function and the automatic function can be operated, and further, the forced exhaust can be performed when the manual and automatic functions are operated. The first aspect of the present invention is as follows. A manual / auto switching dial and a forced exhaust button are provided on an exhaust valve which blows out the air in the air tank to the exhaust hole through a narrow gap of the exhaust valve body and forcibly exhausts the air around the gap together with the air passing at a high speed.

As a result, a manual function and an automatic function are incorporated in the exhaust valve, and forced exhaust can be freely performed during each operation of the manual function and the automatic function.

The second aspect is as follows.
In the exhaust valve which blows out the air in the air tank to the exhaust hole through the narrow gap of the exhaust valve body and forcibly exhausts the air around this gap together with the air passing at high speed, the exhaust valve body inserted into the exhaust valve box is It is held down by the exhaust valve body presser fitted into the upper end of the valve box.

Then, a plurality of ventilation holes are formed in the outer peripheral portion of the exhaust valve body retainer.

An insertion hole smaller than the outer diameter of the valve body is provided on the lower surface at the center of the upper part of the exhaust valve body, a compression coil spring is inserted into the insertion hole, and the exhaust valve body retainer is movable at the upper end of the exhaust valve box. I do. A protruding portion is formed on the upper surface of the central portion of the exhaust valve body retainer, and a check valve comprising a vertically double-diaphragm diaphragm extending outwardly from the upper and lower ends of the cylindrical portion into which the protruding portion is inserted is provided.

The outer diameter of the upper diaphragm reaches the outer peripheral portion of the upper surface of the exhaust valve body retainer, and the outer diameter of the lower diaphragm closes the plurality of ventilation holes.

A forced exhaust button is provided on the upper end of the push valve rod of the exhaust valve body by screwing.

A pressing projection for pressing the upper diaphragm in the pressing direction of the exhaust valve body is formed at the lower middle portion of the forced exhaust button.

An exhaust valve cover into which the upper end of the exhaust valve box is inserted and screwed is provided, and an exhaust hole is provided around the upper end of the cover.

A manual / automatic switching dial comprising an outer ring and an inner ring is provided at the upper end of the exhaust valve cover, and a compression coil spring is interposed between the inner ring and the outer ring so that the outer ring can be pushed.

An annular projection is provided on the lower surface of the inner ring, and the projection is used to adjust the force of pressing the upper diaphragm against the outer peripheral portion of the exhaust valve body to switch between the manual function and the automatic function.

The forced evacuation function can be freely operated by pressing the forced evacuation button during each operation of the manual and automatic functions.

The third aspect of the present invention is as follows.
At the time of the auto function in which the manual / auto switching dial is not pushed in, the dial is fixed to the auto function by rotating the dial in one direction.

By rotating the dial in the opposite direction, the automatic function of the dial is released and the dial can be pushed.

At the time of the manual function by pressing the dial,
The dial is fixed to the manual function by rotating the dial in the opposite direction from the auto mode.

The manual function of the dial is released by rotating the dial in the opposite direction, that is, in the one direction at the time of the automatic operation, and the dial is returned to the automatic function.

The fourth aspect is as follows.
A connecting pipe was attached to one side of the exhaust valve body and in the middle thereof so as to be continuous with the valve hole. The connecting pipe was passed through one side of the exhaust valve box, and a well-known intake valve was connected to the tip of the connecting pipe.

The fifth aspect is as follows.
A connecting pipe was attached to one side of the exhaust valve body and in the middle thereof so as to be continuous with the valve hole. The connecting pipe was penetrated to one side of the exhaust valve box, and a well-known intake tube was connected to the tip of the connecting pipe.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an exhaust valve of the present invention equipped with an exhaust valve, a known intake valve, or a known intake tube of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a plan view of an exhaust valve of the present invention to which a well-known intake valve is attached, and FIG. 2 is a front view of the same.

FIG. 3 is a sectional view of the exhaust valve of the present invention to which a well-known intake valve is attached at the time of intake. FIG. 4 is a cross-sectional view at the time of the automatic function, and FIG. 5 is a cross-sectional view at the time of the forced exhaust at the time of the automatic function. FIG. 6 is a cross-sectional view at the time of the manual function, and FIG. 7 is a cross-sectional view at the time of the forced exhaustion at the time of the manual function.

FIG. 8 is a plan view and an end view showing a connection state between a well-known intake valve and an exhaust valve of the present invention. 9 and 10
FIG. 9 is a cross-sectional view when the air supply tube is attached to the connection pipe of the exhaust valve according to the present invention. FIG. 9 is a view at the time of forced exhaust in the automatic function, and FIG. 10 is a view at the time of the manual function. 11 shows a plan view of the exhaust valve with the manual and automatic switching dial removed, FIG. 12 shows a plan view and a front view of the inner ring, FIG. 13 shows a bottom view of the outer ring, and FIG. 1 shows a bottom view and a front view of a retaining ring of an outer ring. FIG. 15 is a development view of a groove formed on the inner surface of the outer peripheral surface of the outer ring.

In the exhaust valve 2 of the present invention, the intermediate portion is formed into a small diameter portion 61.
The upper part is provided with a valve hole 71 into which the push valve stem 6 is inserted.
The exhaust valve body 7 has a lower portion provided with an insertion hole 72 into which the large diameter portion 62 formed at the lower end of the valve rod 6 is inserted. And this exhaust valve element 7 forms a screw hole 73 at the lower end of the insertion hole 72,
The screw 102 formed on the upper end of the upward dish 103 is screwed together, and the upward dish 103 as the blow-up section 10 is fixed to the lower end of the exhaust valve 7. The lower end of the exhaust valve body 7 is tapered in order to provide a blow-up gap along which the air from the air tank rises along the upwardly facing dish 103.

Further, although not shown, small irregularities are provided at the lower end of the insertion hole 72 of the exhaust valve body 7, and when the lower end of the insertion hole 72 is brought into contact with the upward dish 103, this dish 1
A small gap that communicates with the blow-up gap between the fuel cell and the nozzle is formed.

The screw rod 104 is provided at the lower end of the upwardly facing dish-like portion 103, and is provided with an exhaust valve box 8 into which the exhaust valve element 7 is inserted.
Is to be inserted into a mounting hole 82 provided in the lower surface 81 of the main body. Then, the nut 105 is inserted and fastened to the tip of the screw rod 104 inserted into the mounting hole 82 of the lower surface 81 of the exhaust valve box 8, and the upwardly facing dish 103 forming the blow-up section 10 is fixed to the exhaust valve box 8. Is what you do.

The exhaust valve body retainer 9 is inserted and fitted on the inner surface of the upper end of the exhaust valve box 8 and moves up and down. A plurality of ventilation holes 91 are formed at an intermediate portion between the central portion and the outer peripheral portion. An insertion hole 92 smaller than the outer diameter of the exhaust valve body 7 is provided on the lower surface of the central portion of the exhaust valve body retainer 9, and a compression coil spring 95 is inserted.

The central portion of the exhaust valve body retainer 9 is formed as a projecting portion 93 projecting slightly higher than an outer peripheral portion formed higher than an intermediate portion in which the plurality of ventilation holes 91 are formed.

The pushing valve rod presser 94 is provided with a compression coil spring 9.
The insertion hole 92 is formed of a hole provided upward in the inner surface of the central portion of the insertion hole 92, and the upper end of the push valve stem 6 is fitted to press the push valve stem 6.

The compression coil spring 95 inserted into the insertion hole 92 is interposed between the small diameter portion 78 formed at the upper end of the exhaust valve body 7 and the lower surface of the central portion of the exhaust valve body presser 9, and Can be moved up and down with respect to the upper end of the exhaust valve body 7. The valve body presser 9 can be inserted into and removed from the inner surface of the upper end of the exhaust valve box 8.

The groove 13 is provided on the outer periphery of the upper end of the exhaust valve body retainer 9 to be inserted into the inner surface of the upper end of the exhaust valve box 8.
The upper end of the rubber packing 14 is adhered and fixed in the groove 13. The groove 83 is provided on the outer periphery of the upper end of the exhaust valve box 8. The lower end of the packing 14 is inserted from the upper end of the groove 13 by turning the upper end of the exhaust valve box 8. The lower end of the packing 14 in the groove 83 is fixed by pressing the lower end of the packing 14 with an exhaust valve cover 15 which is inserted and fitted into the upper end of the exhaust valve box 8 and fixed by screws. .

Further, as shown in FIG.
5 is an enlarged portion 152 in which the outer diameter of the upper end is enlarged to a diameter larger than the diameter of the lower end portion into which the upper end portion of the exhaust valve box 8 can be inserted, and the enlarged portion 152 is formed around the upper end portion around which the exhaust valve box 8 is inserted. A plurality of exhaust holes 151 are provided.

Further, the check valve 16 has a cylindrical portion 161 into which the protruding portion 93 at the center of the exhaust valve body retainer 9 is inserted.
Double diaphragm 16 made of synthetic resin and the like at the upper and lower portions extending from the upper and lower ends of the cylindrical portion 161 to the outer periphery
2,163. And this double check valve 1
The upper diaphragm 162 in FIG. 6 is formed to have a large outer diameter and to have a size exceeding the outer peripheral portion of the upper surface of the exhaust valve body retainer 9. Further, the lower diaphragm 163 has a small outer diameter, and has a size that can close a plurality of ventilation holes 91 formed at an intermediate portion between the central portion and the outer peripheral portion of the exhaust valve body presser 9.

The mounting portion 164 is formed inside the upper end of the cylindrical portion 161 of the double check valve 16. The mounting portion 164 is mounted on the upper surface of the protruding portion 93 at the center of the exhaust valve body retainer 9 and the lower surface of the forced exhaust button 17 which penetrates the protruding portion 93 and is fixed to the upper portion of the push valve rod 6 with the set screw 165. Annular mounting projection 171 formed at the center
Install with

The annular convex portion 172 is formed on the outer periphery of the annular mounting convex portion 171 on the lower surface of the forced exhaust button 17, and presses the base of the upper diaphragm 162 downward. And the upper diaphragm 16
2 has a function of pressing the outer peripheral portion in a direction in which it contacts the outer peripheral portion of the exhaust valve body retainer 9.

Further, when the forced exhaust button 17 is pushed in, the check valve 16 pushes the upper diaphragm 162 by the annular convex portion 172, and the base of the lower diaphragm 163 is formed at the inner end of the vent hole 91. It is pushed up by the projection. Therefore, the check valve 16 has upper and lower diaphragms 162,
The outer peripheral portion 163 is operated to be separated from the outer peripheral portion of the exhaust valve body presser 9.

The enlarged portion 152 is obtained by enlarging the upper end of the exhaust valve cover 15 in the outer peripheral direction. The inner ring 18 of the manual / auto switching dial is provided in the enlarged portion 1.
52, and has a boss 182 projecting upward continuously from the flange 181.

The notches 183 are formed at four places on the outer surface of the flange 181, and the fitting projections 153 are provided at four places on the inner diameter of the enlarged part 152 of the exhaust valve cover 15. Then, these notches 183 are inserted into the fitting projections 15.
3 and the flange portion 181 of the inner race 18 is inserted into the inner diameter of the enlarged portion 152 of the exhaust valve cover 15.

Thus, the inner race 18 cannot be rotated at the upper end of the exhaust valve cover 15.

The annular projection 184 is provided on the lower surface of the flange portion 181 of the inner race 18, and is provided on the upper diaphragm 1
62 is pressed against the outer peripheral portion of the upper surface of the exhaust valve body presser 9.

The hooks 185 and 185 are provided with hook-shaped cuts 186 and 186 at two positions at the upper end of the inner peripheral surface of the boss 182 of the inner ring 18 as shown in FIG. . When these hook-shaped cuts 186 and 186 press these claws 185 and 185 in the outer circumferential direction, the claws 185 and 185
When the protrusion 85 slightly protrudes from the peripheral surface of the boss portion 182 or when these pressures are released, it is movable so as to return to the original position.

The outer ring 20 of the manual / auto switching dial has an inner peripheral surface 201 through which the forced evacuation button 17 is inserted at the center, and a donut-shaped upper surface 20 continuous with the inner peripheral surface 201.
2 and the outer peripheral surface 203 of the upper surface 202. The inner diameter of the outer peripheral surface 203 is formed to have a size that allows an enlarged portion 152 obtained by enlarging the upper end portion of the exhaust valve cover 15 to be inserted.

As shown in FIG. 11, the projections 154 are formed at four positions on the outer diameter of the enlarged portion 152 of the exhaust valve cover 15 and are inserted into grooves 155 described later provided on the inner surface of the outer peripheral surface 203 of the outer race 20. Fit.

As shown in FIG. 13, a large number of the projections 204 are provided in parallel from the lower surface of the inner peripheral surface 201 to the upper surface 202 of the outer ring 20. The outer ring 20 is inserted into the enlarged portion 152 of the exhaust valve cover 15. At this time, the hook engages with the claws 185 and 185 formed on the boss 182 of the inner race 18.
The projection 204 engages with the claws 185 and 185, so that the inner ring 1 can be rotated even if the outer ring 20 rotates left or right.
This ensures rotation of the outer ring 20 with respect to the outer ring 8.

The compression coil spring insertion hole 205 is formed on the inner surface of the upper surface 202 of the outer ring 20. The upper end of the compression coil spring 19 inserted into the compression coil spring insertion hole 205 on the outer peripheral surface of the boss 182 of the inner ring 18 is formed. It is to be inserted.

The inner and outer rings 18 and 20 are assembled by inserting the notch 183 of the inner ring 18 into the fitting projection 153 at the upper end of the exhaust valve cover 15 and fitting the inner ring 1 to the upper end of the cover 15.
8 is inserted non-rotatably. Then, the inner and outer peripheral surfaces 201 and 203 of the outer ring 20 are put on the inner ring 18 with the compression coil spring 19 interposed on the outer peripheral surface of the boss portion 182.

At this time, an enlarged portion 152 obtained by enlarging the upper end of the exhaust valve cover 15 is provided on the inner surface of the outer peripheral surface 203 of the outer race 20.
Four zigzag-shaped grooves 155 are formed so that the projections 154 protruding from the four locations of the outer diameter are inserted.

The grooves 155 are formed by vertical grooves 206 so that each projection 154 can push the outer race 20 from the automatic to the manual state against the inner race 18 against the compression coil spring 19. . Next, a deep groove 207 (upper surface 2) holding the manual state by pushing the dial into one of the grooves 206 continuously with these grooves 206
02 which reaches the inner surface of the groove 206 in parallel, and the shallow groove 20 which keeps the auto state without pushing the dial into the other of the grooves 206.
8 (up to the middle of the inner surface of the outer peripheral surface 203) are provided in parallel.

As shown in FIG. 14, the retaining ring 21 has an inner diameter into which the outer peripheral surfaces of the intermediate portion and the lower end portion of the exhaust valve cover 15 are inserted. And this retaining ring 21
When the inner ring 18 and the outer ring 20 are fitted over the exhaust valve cover 15 and the upper end of the exhaust valve cover 15 is covered via the compression coil spring 19, the inner ring 18 and the outer ring 20 are screwed to the lower surface of the outer ring 20. This is to prevent the outer race 20 from coming off the upper end of the exhaust valve cover 15. The outer diameter of the retaining ring 21 is fitted into a retaining ring fitting hole 209 formed at the lower end of the outer ring 20.

When the retaining ring 21 is screwed to the outer ring 20, a plurality of (four in the present embodiment) mounting portions 210 are formed to project from the lower end of the outer peripheral surface 203 of the outer ring 20. Then, as shown in (1) of FIG.
Attachment piece 2 at a position corresponding to each attachment portion 210 on the outer periphery of 1
11 is provided to protrude. Then, the mounting portion 210 and the mounting piece 211 are respectively fitted, and a screw is passed through a mounting hole 212 provided in the mounting piece 211 and screwed to the mounting portion 210.

As shown in FIG. 14 (2), four protruding pieces 213 are provided on one surface of the retaining ring 21, and the mounting piece 210 of the outer ring 20 is attached to the mounting portion 210 of the outer ring 20. 2
In the case where 11 is combined, each protruding piece 213 is fitted into the deep groove 207 in the manual state. In this case, each protrusion 213
Is fitted into a shallow portion of the inner surface of the outer peripheral surface 203 in the deep groove 207 as shown in FIG. And
A groove for maintaining the manual state of the zigzag groove 155 is formed between the tip of each protrusion 213 and the upper surface 202 of the outer ring 20.

The outer ring 20 of the manual / auto switching dial is fitted in the zigzag groove 155 with the exhaust valve cover 15.
By fitting the four projections 154 at the outer diameter of the enlarged portion 152 of FIG.

At the time of automatic operation without pushing the outer ring 20,
By turning the outer ring 20 rightward in FIG. 1, the projection 154 of the exhaust valve cover 15 moves in the shallow groove 208, and fixes the outer ring 20 at a position where the automatic function is maintained. Also, by turning the outer ring 20 to the left in FIG. 1, the protrusion 154 reaches the vertical groove 206, and the outer ring 20 can be pushed in to shift to the manual function.

When the outer ring 20 of the manual / automatic switching dial is pushed in manually, the outer ring 20 is turned to the left in FIG. 1 so that the projection 154 moves in the deep groove 207 holding the manual state. The outer ring 20 is fixed at a position where the manual function is held. When the outer ring 20 is turned clockwise in FIG. 1, the protrusion 154 reaches the vertical groove 206, and the outer ring 20 is pushed upward by the elastic force of the compression coil spring 19, and shifts to the automatic function.

The intake valve 1 shown in FIGS. 1 to 4 and FIG. 7 is a well-known one, in which an inlet flow path 11 and an outlet flow path 12 are arranged at right angles. A push valve stem 3 having a small-diameter portion 31 is provided, and an O-ring is inserted into a required portion.

The intake valve 1 is formed by dividing an intake valve box 5 containing an intake valve body 4 provided with a valve hole 50 into an upper valve box 51 and a lower valve box 52. Is
A valve hole 41 into which the push valve stem 3 having the small diameter portion 31 formed in the middle portion is provided.

The flange 42 is formed at the upper end of the intake valve body 4 and is inserted into the valve hole 50 of the upper valve box 51. The hole 54 is provided at the upper end of the upper valve box 51, and the intake button 53 fixed with a screw 531 is inserted into the upper end of the push valve stem 3. The push-in valve rod 3 can be pushed into the valve hole 41 of the intake valve body 4 by pushing the intake button 53.

The screw 43 is formed on the outer surface of the lower end of the intake valve body 4. When the intake valve body 4 is inserted into the valve holes 50 of the upper valve box 51 and the lower valve box 52, the lower valve box 52 is screwed into a screw hole 55 formed on the inner surface of the lower end portion. By doing so, the upper valve box 51 can be rotated with respect to the lower valve box 52.

The inlet flow path 11 is opened at one side of the upper valve box 51 by being connected to a valve hole 50 for accommodating the intake valve body 4 through a connection hole 59. A hole is formed and the rubber tube plug 56 is screwed. The rubber tube socket 58 is detachably fitted to the rubber tube plug 56, and a tube 57 connected to an air tank (not shown) is inserted into the rubber tube socket 58.

On the other hand, the connection holes 44 are provided at the upper part of the intake valve body 4, and the connection hole 59 is in contact with the intake valve body 4.
And the valve hole 41 into which the push valve stem 3 is inserted.

The groove 45 is provided on the outer periphery of the intermediate portion of the intake valve body 4 so as to contact the upper end of the lower valve body 52. The connecting holes 46, 46 are formed with the groove 45 and the valve hole. 41, and is provided at the center of the intake valve body 4.

When the valve stem 3 is not pushed by the intake button 53, the small diameter portion 31 of the pushing valve stem 3 is connected to the valve hole 41 of the valve body 4 into which the valve stem 3 is inserted as shown in FIG. Connecting hole 4
It is provided from the position of 4,44 to the position of connecting holes 46,46 connecting the groove 45 and the valve hole 41. By doing so, even when the push valve stem 3 is not pushed by the intake button 53, the connection holes 44, 44 and the connection holes 46, 46 always communicate with each other via the small diameter portion 31 of the valve stem 3. I do.

The insertion hole 47 is provided at a lower portion of the intake valve body 4.
The large-diameter portion 32 formed at the lower portion of the push-in valve rod 3 is provided to be inserted. A snap ring 34 is inserted into an inner surface of a lower end portion of the insertion hole 47. And the compression coil spring 3
3 is interposed between the lower end of the large-diameter portion 32 of the push-in valve stem 3 and the snap ring 34, and presses the intake button 53 at the upper end, so that the push-in valve stem 3 has a valve hole against the elasticity of the compression coil spring 33. Lower inside 41. On the other hand, when the pushing valve rod 3 is released from the pressing of the intake button 53, the inside of the valve hole 41 is raised by the elastic force of the compression coil spring 33.

When the intake button 53 is pushed into the hole 54 of the upper valve box 51 and the push valve stem 3 is pushed in against the elasticity of the compression coil spring 33, the lower end of the small-diameter portion 31 of the push valve stem 3 pushes the push valve. It reaches the insertion hole 47 for inserting the large diameter portion 32 formed at the lower part of the rod 3. Then, as shown in FIG. 3, the air from the air tank flows from the inlet channel 11 of the intake valve 1 to the connection holes 59, the connection holes 44, 44, the connection holes 46, 46, and the small-diameter portion 31 of the push-in valve rod 3. Is supplied to the outlet flow path 12 of the intake valve 1 at the lower end of the intake valve body 4

The intake connecting portion 521 is connected to the lower valve box 52.
A connection hole 522 communicating with the groove 45 formed on the outer periphery of the intermediate portion of the intake valve body 4 is provided on one side of the upper end of the intake valve body 4 so as to be connected to the exhaust valve 2 of the present invention. is there.

The connection pipe 77 is connected to one side of the exhaust valve body 7 via a valve hole 71 via an O-ring, and has a distal end protruding from a connection hole 842 penetrating through the exhaust valve box 8. An intake connection portion 521 of the intake valve 1 is connected to the tip.

As shown in FIG. 4, a screw hole 523 and a circular hole 524 are formed on the inner surface of the intake connection portion 521 to
Connecting hole 522 that communicates with groove 45 formed in the outer periphery of the intermediate portion of
Then, they are provided in this order.

As shown in FIG. 8, the intake connecting portion 521 is formed in a rectangular shape having a pair of opposed surfaces as arc surfaces, and the inner surface of the connecting portion 84 of the exhaust valve box 8 is
The exhaust connection hole 841 is shaped to receive the rectangular shape.

At the time of connection between the intake connection portion 521 and the connection portion 84, the intake connection portion 521 is fitted into the exhaust connection hole 841, so that the intake connection portion 521 can be rotated into the exhaust connection hole 841. Therefore, the screw rod 771 formed at the tip of the connection pipe 77 is connected by rotating the exhaust valve 2 with respect to the intake valve 1 when screwing into the screw hole 523 formed in the intake connection portion 521 of the intake valve 1. It becomes possible to do. The connecting portion between the intake connecting portion 521 and the exhaust connecting portion 84 can be further strengthened by fixing with screws 525 and 525.

Further, the circular hole 524 of the intake connection portion 521
An O-ring is interposed in the connection pipe 77 and the intake connection section 5.
At the time of connection between the exhaust connection portion and the exhaust connection portion, airtightness is achieved.

Further, the tip of the connecting pipe 77 is connected to the intake valve 1
The rubber pipe plug 56 similar to the above is fixed to the other end of the connection pipe 77 without being connected to the intake connection section 521, and a rubber pipe socket 58 is attached to the tube 57 from the air tank.
This exhaust valve 2 may be directly connected to the air tank.

[0079]

In use, when inhaling air into a dry suit, a balancing vest, or the like, the outer ring 20 of the manual / auto changeover dial of the exhaust valve 2 is turned, and as shown in FIG. The projection 154 has an automatic function in the shallow groove 208. Then, inner ring 18
The compression coil spring 19 between the outer ring 20 and the outer ring 20 is in an expanded state.

When the intake button 53 of the intake valve 1 is pressed, the intake valve 1 supplies the air from the air tank from the inlet channel 11 to the outlet channel 12 as described above.
It supplies air into a dry suit or balancing vest.

At this time, the air from the air tank is also supplied to the exhaust valve body 7 of the exhaust valve 2 via the connecting pipe 77, but the small diameter portion 61 of the push valve rod 6 is at the position shown in FIG. Since it does not reach the large diameter portion 62 of the valve hole 71, it is not supplied to the exhaust valve 2.

Then, the supply of the air from the air tank is stopped by releasing the intake button 53 of the intake valve 1.

As shown in FIG. 4, when the exhaust valve is in the automatic function, the outer ring 20 of the manual / auto switching dial of the exhaust valve 2 is connected to the four exhaust valve covers 15 in the same manner as during intake of the intake valve. The projection 154 is located in the shallow groove 208, and the automatic function is performed. Then, the intake button 53 of the intake valve 1 is released. Then, the compression coil spring 19 is in an expanded state, and this spring 19 is
The force for pressing the flange portion 181 becomes smaller. Thus, the force of the annular projection 184 provided on the lower surface of the flange portion 181 of the inner ring 18 for pressing the upper diaphragm 162 against the outer peripheral portion of the exhaust valve body retainer 9 is reduced. Then, the air accumulated at the position of the exhaust valve 2 such as a dry suit or a balancing vest is automatically discharged to the air exhaust hole 22 of the exhaust cover 22.
The check valve 16 is pushed upward from the vent hole 91 of the exhaust valve body holder 9 through the exhaust hole 85 of the lower surface 81 of the exhaust valve box 8, and is exhausted from the exhaust hole 151 of the exhaust valve cover 15.

Further, as shown in FIG. 5, when the forced exhaust button 17 is pressed at the time of the automatic function, the exhaust valve body presser 9 is fitted into the upper end of the exhaust valve box 8 against the elasticity of the compression coil spring 95. Then, the check valve 16 pushes the upper diaphragm 162 by the annular projection 172, pushes the lower diaphragm 163 up at the inner end of the exhaust hole 91, and pushes the upper and lower diaphragms 162, 163 to the outer peripheral portion of the exhaust valve body holder 9. Pull away from. At the same time, the push valve stem 6 descends,
The small-diameter portion 61 reaches the large-diameter portion 72 at the lower end of the exhaust valve body 7, and the air from the air tank is supplied to the exhaust valve body 7 via the connection pipe 77, and is blown up from the blow-up section 10 into the exhaust valve box 8. . As a result, air in the dry suit, the balancing vest, or the like flows from the air discharge hole 221 of the exhaust cover 22 through the discharge hole 85 of the lower surface 81 of the exhaust valve box 8 to the vent hole 91 of the exhaust valve body holding member 9, from the exhaust valve cover 15. Exhaust hole 151
Is exhausted.

As shown in FIG. 6, when the manual function is performed, the outer ring 20 of the manual / auto switching dial of the exhaust valve 2 is pushed in against the elasticity of the compression coil spring 19, and the four projections 154 of the exhaust valve cover 15 are formed. Deep groove 20
8 position.

By doing so, the interval between the inner ring 18 and the outer ring 20 of the manual / automatic switching dial is narrowed, and the force of the annular projection 184 provided on the lower surface of the flange 181 of the inner ring 18 to push the upper diaphragm 162 is increased. . Then, when a certain amount of air accumulates in the dry suit, the balancing vest, or the like, the air exhaust hole 2
The pressure of the air through the exhaust hole 85 in the lower surface 81 of the exhaust valve box 8 increases from 21, and this air pushes up the check valve 16 from the exhaust valve body holder 9, and the air hole 91 and the exhaust hole in the exhaust valve cover 15. 151 exhausts.

Further, as shown in FIG. 7, when the forced exhaust button 17 is pressed during the manual function, the upper and lower diaphragms 162 and 163 are pressed in the same manner as described above.
The air in the dry suit, balancing vest, etc. is forcibly exhausted.

In the present invention, as shown in FIGS. 9 and 10, air from an air tank can be directly supplied to a connecting pipe 77 to the exhaust valve body 7.

[0089]

According to the exhaust valve of the present invention, air in a dry suit, a balancing vest, or the like can be exhausted by a manual function or an automatic function. , Even for beginners. For this reason, the amount of air remaining in the dry suit, the balancing vest, or the like is reduced, and the forced evacuation operation can be performed in a short time even if the forced evacuation button is pressed at the time of the manual or automatic function at the time of entry.
As a result, the air from the air tank required for forced exhaust can be reduced, and the dive time can be increased.

[Brief description of the drawings]

FIG. 1 is a plan view of an exhaust valve of the present invention equipped with a well-known intake valve.

FIG. 2 is a front view of the exhaust valve of the present invention with a known intake valve attached.

FIG. 3 is a cross-sectional view of the exhaust valve of the present invention to which a known intake valve is attached at the time of intake.

FIG. 4 is a sectional view of the exhaust valve of the present invention to which a well-known intake valve is attached at the time of an automatic function.

FIG. 5 is a cross-sectional view of the exhaust valve of the present invention in which the well-known intake valve is omitted during forced exhaust in the automatic function.

FIG. 6 is a cross-sectional view of the exhaust valve of the present invention in which a well-known intake valve is omitted, at the time of forced exhaust in the manual function.

FIG. 7 is a cross-sectional view of the exhaust valve of the present invention to which a well-known intake valve is attached when the manual function is performed.

FIG. 8 shows a connection state between a well-known intake valve and an exhaust valve of the present invention, wherein (1) is a plane in which the upper valve box of the intake valve, the exhaust valve cover of the exhaust valve, and the upper part of the check valve are omitted. FIG.
(2) is an end view taken along line AA of (1).

FIG. 9 is a cross-sectional view of the exhaust valve according to the present invention at the time of an automatic function immediately before an air supply tube is attached to a connection pipe of the exhaust valve at the time of forced exhaust.

FIG. 10 is a side view showing a partial cross section at the time of a manual function when an air supply tube is attached to a connection pipe of an exhaust valve of the present invention.

FIG. 11 is a plan view of the exhaust valve with a manual / auto switching dial removed.

FIGS. 12A and 12B show an inner ring of a manual / auto switching dial, wherein FIG. 12A is a plan view and FIG. 12B is a front view of FIG.

FIG. 13 is a bottom view of the outer ring of the manual / auto switching dial.

14 shows a retaining ring of an outer ring of a manual / automatic switching dial, wherein (1) is a bottom view and (2) is a front view of (1). FIG.

FIG. 15 is a development view of a main part of a groove formed on the inner surface of the outer peripheral surface of the outer ring.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Intake valve 11 Inlet flow path 12 Outlet flow path 2 Exhaust valve 3 Push-in valve rod 31 Small diameter part 32 Large diameter part 33 Compression coil spring 34 Snap ring 4 Intake valve body 41 Valve hole 42 Flange 43 Screw 44 Connection hole 45 Groove 46 Connection Hole 47 Insertion hole 5 Intake valve box 50 Valve hole 51 Upper valve box 52 Lower valve box 521 Intake connection part 522 Connection hole 523 Screw hole 524 Circular hole 525 Screw 53 Intake button 531 Screw 54 Hole 55 Screw hole 56 Plug for rubber pipe 57 Tube 58 Socket for rubber pipe 59 Connecting hole 6 Push-in valve stem 61 Small diameter portion 62 Large diameter portion 7 Exhaust valve body 71 Valve hole 72 Insertion hole 73 Screw hole 77 Connection tube 771 Screw rod 78 Small diameter portion 8 Exhaust valve box 81 Lower surface 82 Mounting hole 83 groove 84 connecting part 841 exhaust connecting hole 842 connecting hole 85 discharge hole 9 exhaust valve body holding 91 vent hole 92 compression Coil spring insertion hole 93 Protruding part 94 Push-in valve rod holder 95 Compression coil spring 10 Blow-up part 102 Screw 103 Upward dish-shaped part 104 Screw 105 Nut 13 Groove 14 Rubber packing 15 Exhaust valve cover 151 Exhaust port 152 Enlarged part 153 Fitting projection 154 Projection 155 Zigzag groove 16 Check valve 161 Cylindrical part 162 Upper diaphragm 163 Lower diaphragm 164 Mounting part 165 Set screw 17 Forced exhaust button 171 Annular mounting projection 172 Annular projection 18 Inner ring of manual / auto switching dial 181 Flange 182 Boss Part 183 Notch 184 Annular protrusion 185 Claw 186 Hook-shaped cut 19 Compression coil spring 20 Outer ring of manual / auto switching dial 201 Inner peripheral surface 202 Upper surface 203 Outer peripheral surface 204 Projection 205 Compression coil The spring insertion hole 206 vertical grooves 207 manual state of deep grooves 208 auto status shallow groove 21 retaining ring 210 mounting portion 211 mounting piece 212 attachment hole 213 protruding piece 22 exhaust cover 221 air discharge hole

Claims (5)

[Claims] An exhaust valve for blowing air in an air tank through a narrow gap of an exhaust valve body to an exhaust hole, and forcibly exhausting air around the gap together with air passing at a high speed. An exhaust valve characterized by incorporating a manual function and an automatic function by providing an exhaust button, and enabling forced exhaust freely during operation of the manual function and the automatic function. 2. An exhaust valve for blowing air in an air tank through a narrow gap of an exhaust valve body to an exhaust port, and forcibly exhausting air around the gap together with air passing at a high speed. The exhaust valve body is held down by an exhaust valve body press fitted into the upper end of the exhaust valve box, and a plurality of ventilation holes are formed on the outer periphery of the exhaust valve body press. An insertion hole smaller than the diameter is provided, a compression coil spring is inserted into the insertion hole, the exhaust valve body retainer is movable at the upper end of the exhaust valve box, and a projection is formed on the upper surface of the central portion of the exhaust valve body retainer. Providing a check valve consisting of a diaphragm of upper and lower dual structure extending in the outer peripheral direction from the upper and lower ends of the cylindrical portion into which the protrusion is inserted, so that the outer diameter of the upper diaphragm reaches the outer peripheral portion of the upper surface of the exhaust valve body retainer, In addition, the outer diameter of the lower diaphragm The forced exhaust button is screwed to the upper end of the push-in valve rod of the exhaust valve body, and a pressing projection that pushes the upper diaphragm in the exhaust valve body pressing direction is provided at the lower middle part of the forced exhaust button. An exhaust valve cover is formed and screwed into the upper end of the exhaust valve box. An exhaust hole is provided around the upper end of this cover, and a manual / automatic switching dial consisting of an outer ring and an inner ring is provided at the upper end of the exhaust valve cover. Equipped with a compression coil spring between the inner ring and the outer ring, this outer ring can be pushed in freely, an annular projection is provided on the lower surface of this inner ring, and the projection adjusts the force to press the upper diaphragm against the outer periphery of the exhaust valve body presser Switching between the manual function and the automatic function, and pressing the forced exhaust button during each operation of the manual and automatic functions enables the forced exhaust function to operate freely. Exhaust valve for the butterflies. 3. The manual / auto switching dial is fixed to the automatic function by rotating in one direction during the automatic function without pushing the dial, and is opened by rotating in the opposite direction to release the automatic function. When the dial is pressed in manual mode, the dial is rotated in the opposite direction to the auto mode to fix it to the manual function, and rotated in the opposite direction to release the manual function, 3. The exhaust valve according to claim 2, wherein the exhaust valve is restored to its function. 4. A connecting pipe is mounted on one side of the exhaust valve body and in the middle of the connecting pipe so as to be continuous with the valve hole, and the connecting pipe is passed through one side of the exhaust valve box. The exhaust valve according to claim 2 or 3, wherein the exhaust valve is connected. 5. A connecting pipe is mounted on one side of the exhaust valve body and in the middle of the connecting pipe so as to be continuous with the valve hole, and the connecting pipe is passed through one side of the exhaust valve box. 4. A tube is connected to the tube.
Exhaust valve as described.