KR100631378B1 - Oxygen providing apparatus - Google Patents

Abstract

An oxygen supply device is provided to operate a valve by minimum operating force without continuously pressing a push button by making the structure simple. In a valve unit of an oxygen supply device having a valve housing equipped with upper and lower bodies(100,200) installed at a bombe body containing the compressed oxygen and provided with a discharge passage(L) of which one end makes the inside and the outside of the bombe body communicate with each other, an operating lever(115) closed at normal times is rotatably supported around the discharge passage to operate rotation from one direction of the outer periphery of the valve housing. A cylindrical rotating cam(110) turned by interlocking with the operating lever, a follower(130) pressed by the rotating cam to vertically move, a follower placing piece(160) settling the follower, and a needle valve(240) pushed by receiving pressing force by the placing piece to open the discharge passage are elastically supported in the valve housing. The oxygen stored in a bombe(10) is exhausted through the discharge passage as the needle valve is pressed by the rotating cam.

Description

Oxygen Supplyer {Oxygen providing apparatus}

1 is a perspective view showing a state in which the mask is rotated open in the oxygen supply according to the present invention;

Figure 2 is a partial cross-sectional perspective view for showing the internal rotating nozzle opening and closing structure in the oxygen supply of Figure 1 in detail;

3 is a side view showing a state in which the mask is open from the side of the oxygen supply of FIG.

Figure 4 is a side view showing a state in which the mask is closed on the side of the oxygen supply of Figure 3,

5 is an exploded perspective view showing the air supply nozzle and the nozzle opening and closing means of the oxygen supply unit according to the embodiment of the present invention;

Figure 6 is an exploded perspective view showing the components extracted in the valve body upper body according to the present invention, and

Figure 7 is an exploded perspective view showing in detail the enlarged structure of the cylindrical rotary cam and the follower according to the present invention.

<Explanation of symbols for the main parts of the drawings>

  1000: valve device 100: upper body

   110: cylindrical rotating cam 120: guide member

   130: Follower 140: Conduit

   150: first elastic member 160: followers seat

   170: first sealing member 200: lower body

   210: rotating cam seat 220: support block

   230: valve seat 240: needle valve

   250: second elastic member 260: communication member

   270: communication member seating table 280: binding member

The present invention relates to a valve device of the oxygen supply to minimize the external force of the user required for the gas discharge for gas intake.

Typically, a high pressure is formed inside the cylinder in which the gas is stored. In order to use the gas stored in the gas cylinder, a valve device is installed at the cylinder inlet. The valve device is provided with a valve to which gas is injected, and an adjustment button for opening and closing the valve, and is controlled to be injected through the valve by operating the adjustment button.

By the way, in the valve device described above, the operating force for operating the valve to inject gas through the valve depends on the gas pressure stored in the gas cylinder or the ambient temperature. For example, since the pressure inside the cylinder increases in a hot area and the pressure inside the cylinder decreases in a cold area, the amount of gas injected when the control button is operated to the same degree varies. This means that it is difficult to accurately control the amount of gas through the adjustment button, and the operation force for pushing the button is excessively consumed, resulting in inconvenience in use.

The present invention has been made to solve the above problems, it is possible to precisely control the amount of gas injected in any environment or conditions, and provides a valve device of the oxygen supply that can operate the valve with a minimum operating force with a relatively simple structure. It aims to do it.

The present invention was invented to solve such limitations,

In the valve body of the oxygen supply device comprising a valve body having a top body and a lower body having a discharge passage for communicating the inside of the cylinder body to the outside to one side of the cylinder body containing compressed oxygen,

When the discharge passage is the central axis of rotation, the closed state is normally maintained around this passage, and the operation lever for rotational operation is rotatably supported in one direction around the outer circumference of the valve housing,

In the valve housing, a cylindrical rotary cam rotated in conjunction with the operation lever, a follower pressurized by the rotary cam, a follower seat for seating the follower, and the seat A needle valve for opening the discharge passage while the pressing force is driven and pressed is elastically supported, and according to the operation of the needle valve pressed by the rotary cam, oxygen stored in the bomb is discharged through the discharge passage. It is done.

In addition, the upper end of the valve housing is preferably configured to be integrally hinged to the mask for inducing oxygen intake.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

First, Figure 1 is a perspective view showing a state in which the mask is rotated open in the oxygen supply in accordance with the present invention, Figure 2 is a partial cross-sectional perspective view showing in detail the internal rotating nozzle opening and closing structure in the oxygen supply of Figure 1, Figure 3 is a side view showing a state in which the mask is opened in the side of the oxygen supply of Figure 1, Figure 4 is a side view showing a state in which the mask is closed in the side of the oxygen supply of Figure 3, Figure 5 is an embodiment of the present invention Figure 6 is an exploded perspective view showing the air supply nozzle and the nozzle opening and closing means of the oxygen supply according to Figure 6 is an exploded perspective view showing the components inside the upper body of the valve apparatus according to the present invention, Figure 7 is It is an exploded perspective view showing in detail the enlarged structure of the cylindrical rotary cam and the follower according to the invention.

As illustrated in the figure, the valve device of the oxygen supply according to the present application, the discharge passage (L) for one end to communicate with the cylinder 10 main body to the outside to the cylinder 10 main body containing the compressed oxygen. It includes a valve housing 1000 having an upper body 100 and a lower body 200 having.

In addition, the valve device 1000 of the present application is each component is disposed around the discharge passage (L) in the valve housing (1000).

First, in the upper body 100 of the valve housing 1000, when the discharge passage L is the central axis of rotation, a closed state is usually maintained around this passage, and the valve housing 1000 An operating lever 115 for rotational operation in one direction around the outer circumference is rotatably supported.

In the valve housing 1000, a cylindrical rotary cam 110 rotated in conjunction with the operation lever 115, a follower 130 pressurized and driven by the rotary cam 110, and The supporter seat 160 for seating the follower 130 and the needle valve 240 for opening the discharge passage (L) while the pressing force is driven and pressed by the seat 160, the elastic support It is.

In addition, between the upper body 100 and the lower body 200 is detachably coupled to the outer circumferential surface of the operation lever 115, in conjunction with the operation lever 115 to the discharge passage (L) as the center of rotation A cylindrical rotary cam 110 rotatably supported is disposed.

In addition, the cylindrical rotary cam 110 is formed in a double cylindrical shape and the inner cylinder is composed of the end cam (111).

In addition, the upper portion of the lower body 200 has a coupling portion having a coupling protrusion (201a) is inserted into the coupling hole 103 formed in the lower portion of the upper body 100 for coupling with the upper body 100 ( 201).

In addition, the lower body 200 has a lower end of the follower 130, the first elastic member 150 and the follower seat 160 to follow the end cam 111 of the cylindrical rotary cam 110 Discharge openings 221 to support the support block 220 is disposed.

In addition, a rotary cam seat 210 having a seating hole 211 on which the lower end of the cylindrical rotary cam 110 is seated is rotatably disposed on an upper portion of the discharge port 221-the support support block 220. .

In addition, the guide projection formed on the outer circumferential surface of the follower 130 to convert the rotational movement of the cylindrical rotary cam 110 to the shanghai east of the follower 130 in the upper center of the discharge port-equipment support block 220 The connecting portion 223 is formed to protrude so that the guide member 120 having a plurality of guide spheres 121 cut in the vertical direction to which the 131 is connected is connected.

In addition, the opposite side of the discharge port 221 of the support block 220, so that one end is connected to the shanghaidong of the follower 130 and the follower seat 160, so that one end communicates the inside of the main body of the cylinder 10 to the outside. Needles elastically supported via a second elastic member 280 on the upper surface of the communication member 260 having a communication port 261 inserted into the through hole 291 of the diaphragm member 290 to block the injection port of the cylinder 10 A seating portion 225 is formed to seat the valve seat 230 that is in contact with and releases contact with the needle valve 240 so as to be closed and opened according to the vertical operation of the valve 240.

In addition, the support block 220 is fixedly supported in the lower body 200 via a binding member 280 that is screwed to the lower portion of the support block 220.

In addition, a mask 105 for inducing oxygen suction is hingedly coupled to the upper end of the upper body 100 of the valve housing and is integrally formed.

In addition, the follower seat 160 is connected to the conduit 140 for more clearly partitioning the discharge passage (L) and to assist the shandong of the follower 130, the seat is seated The first sealing member 170 for sealing the inner peripheral surface of the connecting portion 223 of the support block 220 is attached to the outer circumferential surface of the stand 160.

In addition, the upper and lower surfaces of the lower portion of the communication member 260 is intended to seal the communication member 260 and the diaphragm member 280 while seating the communication member 260 on the diaphragm member 280. Communicating member seat for 270 is disposed.

In addition, a positioning hole 113 protruding from the lower surface of the cylindrical rotating cam 110 to restrict the amount of rotation of the cylindrical rotating cam 110 is mounted on the seating hole 211 of the rotating cam seat 210. Positioning locking portion 213 is formed to protrude so that the locking is supported.

In addition, the inner side of the lower body 200, the rotation control projection 203 is formed intermittently, the rotation control projection receiving surface 227 formed in the rotary cam seat 210 and the support block 220 is cut It is configured to be combined.

Further, at one end of the mask 105, an initial positioning tool 105a for initial positioning of the operating lever is cut out.

On the other hand, reference numeral 101, which is not shown in the above description, is a receiving port in which the operation lever 115 is accommodated, and the code L indicates a discharge passage opened as a flow port through which compressed gas stored in the cylinder 10 flows. do.

Next, the operation effect of the valve device of the oxygen supplier of the present invention will be described.

First, the user rotates the mask 105 upward in order to suck the oxygen stored in the cylinder 10, and then rotates the operating lever 115.

In addition, when the operation lever 115 is rotated from left to right along the receiving port 101 formed in the upper body 100, the cylindrical rotary cam 110 in conjunction with the rotation of the operation lever 115 is rotated The follower 130 having a driven surface 130a that cooperates with the operation of the end cam 111 inside the cylindrical rotating cam 110 is moved downward.

In addition, when the follower 130 is downward, the needle valve 240 in contact with the bottom of the follower seat 160 and the follower seat 160 is moved downward.

In addition, when the needle valve 240 is downward, the compressed gas stored in the cylinder 10 by opening the discharge passage (L) while being spaced apart from the valve seat seated on the seating portion of the support block 220 is the discharge passage It is discharged toward the mask 105 through the (L) to secure a state that can be sucked by the user.

Of course, in the present invention, a variety of rotation cams used in various oxygen supplies may be employed depending on the arrangement of the installation. The application of the present invention mainly uses an end cam driving technique for elastically pressurizing the needle valve. Apparently, it can be applied to other similar configurations.

As described above, the use of the oxygen supplier according to the present invention has a very excellent advantage, such as being able to use a more user-friendly oxygen inhalation without the inconvenience of using an existing push button and the like.

Claims (3)

In the valve body of the oxygen supply device comprising a valve body having a top body and a lower body having a discharge passage for communicating the inside of the cylinder body to the outside to one side of the cylinder body containing compressed oxygen, When the discharge passage is the central axis of rotation, the closed state is normally maintained around this passage, and the operation lever for rotational operation is rotatably supported in one direction around the outer circumference of the valve housing, In the valve housing, a cylindrical rotary cam rotated in conjunction with the operation lever, a follower pressurized by the rotary cam, a follower seat for seating the follower, and the seat A needle valve for opening the discharge passage while the pressing force is driven and pushed is elastically supported, and according to the operation of the needle valve pressed by the rotary cam, oxygen stored in the bomb is discharged through the discharge passage. Valve device for oxygen supply. The method of claim 1, The valve device of the oxygen supply, characterized in that the upper end of the valve housing and the mask is coupled to the hinge to induce oxygen suction. The method according to claim 1 or 2, One end of the mask valve device of the oxygen supply, characterized in that the initial positioning tool for the initial position setting of the operating lever is cut out.

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