KR101748114B1 - Automatic shut-off valve for high pressure gas - Google Patents

Abstract

The present invention allows the discharge and filling of gas by the sealing action between the two circular tapers having the concentric circular axis provided at the middle part of the vertical hole formed along the central axis of the valve body and the circular packing, Shaped slider is screwed with a female screw formed on an inner diameter portion of the tubular slider to provide a valve opening / closing action by reciprocating movement of the tubular slider,
In addition, a horseshoe-shaped snap pin is fitted in a cylindrical horseshoe-shaped space formed in the integral handle and the valve body, and a keyhole is formed in the inner diameter portion of the valve body and a detachable protrusion key is formed in the outer diameter portion of the tubular slider. The tubular slider permits a reciprocating motion with respect to the valve body,
Further, by using one double-V type ring or double hexagonal ring in the opening and closing operation portion and the valve end function portion of the valve, the airtightness in the axial direction is improved, the installation space and weight are reduced,
In addition, an electronic tag and a wireless transceiver are provided on the inner surface of the integral type handle to provide safety management and ease of use of the valve,
Further, by providing a plurality of outflow openings in the valve, it is possible to use a plurality of combustor units or high-pressure hoses at the same time in a single high-
The present invention also relates to an automotive single-ended valve for high-pressure gas having a structure in which two safety devices are installed together to increase the safety of gas explosion prevention of a high-pressure vessel.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automotive single-

The present invention relates to an automotive single-ended valve for high-pressure gas, and more particularly, to an automotive single-ended valve for high-pressure gas which comprises a pair of circular tapers formed in a middle portion of a vertical hole formed along a central axis of a body, The valve is opened and closed by reciprocating motion of the tubular slider, and the valve is opened and closed by engaging with a female screw formed on the inner diameter surface of the tubular slider, on the male screw formed on the outer diameter surface of the integral handle of which the stem portion and the handle are formed into one body,

In addition, a horseshoe-shaped snap pin is inserted in the cylindrical horseshoe-shaped space formed in the upper end of the integral handle and the valve body to allow rotation of the integral handle, a key groove on the inner diameter surface of the valve body and a detachable protrusion key on the outer diameter surface of the tubular slider The tubular slider reciprocates up and down with respect to the valve body when the integral handle is rotated in the assembled state,

Further, by using one double-V type ring or double hexagonal ring in the valve opening and closing operation portion and the automotive end functional portion, the airtightness in the axial direction is improved, the installation space and weight are reduced,

In addition, it has an automobile end function that reduces the flow loss occurring during the flow of gas through the outflow inlet and automatically shut off the outflow of gas when the high pressure hose fastened to the outflow inlet is disconnected,

In addition, an electronic tag and a wireless transceiver are provided on the inner surface of the central portion of the integral type handle to provide history information related to safety management of the valve and convenience of use,

Further, by providing a plurality of outflow openings in the valve, it is possible to use a plurality of combustor units or high-pressure hoses at the same time in a single high-

The present invention also relates to an automotive single-ended valve for high-pressure gas having a structure in which two safety devices such as a safety valve and a rupture plate mechanism are installed in the valve to enhance the explosion-proof safety of the high-pressure vessel.

Conventional high-pressure gas automotive single-ended valves use brass stem and aluminum handle to tighten with screw thread for opening and closing operation, so that screws tightened during use process are loosened or loosened and the sealing force between round tassel and round packing is weakened, The two pins are drilled laterally in the upper part of the valve body so that the upper and lower reciprocating motion of the brass stem can be controlled by the upper and lower stoppers, thereby increasing the overall length of the valve body and complicating the assembling process As the manufacturing cost is increased and the circular tapered sheet and the circular packing come into contact with each other, they are compressed in only one place. As a result, the permanent deformation such as the circular mark is rapidly progressed over time and the sealing durability is weakened. Because of this, it is necessary to tighten the aluminum handle more The circular packing is rapidly damaged and the possibility of gas leakage is increased. In order to prevent gas leakage in the axial direction, the two O-rings provided on the outer surface of the cylindrical hanger have a problem of increasing the installation space and lowering the sealing pressure and durability .

In addition, the sliding gap between the cylindrical slider and the stopper bolt, which ensures safety by automatically shutting off the gas flow when the high-pressure hose fastened to the outflow inlet is separated, is structurally narrow, and at the same time, The flow loss is high and there is a problem that the installation of two O-rings increases the overall length and is relatively heavy.

Further, when a plurality of combustors or high-pressure hoses are connected to a single high-pressure vessel, the conventional valve has a single outflow inlet, so that the number of connected parts increases due to the use of the gas distributor, .

In addition, in the conventional high-pressure vessel, there is no information on the automobile single-type valve and the vessel itself, and accident occurred frequently due to lack of safety management information related to the distribution route, charge date, owner, manufacturer and safety inspection.

Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a brass anti- Due to the reduced number of parts, the number of weights and assemblies is reduced, and by replacing the two O-rings on the cylinder hanger with one double V-shaped ring or double hexagonal ring, the installation space is reduced and gas leakage is completely blocked, Pressure gas automotive single-ended valve having a structure in which a circular tread having been compressed and sealed is formed into a circular tread ring structure having two circular tread shapes having a concentric circle to ensure the safety of sealing endurance.

In addition, a flow gap between the cylindrical slider and the stopper bolt provided on the inner diameter of the outflow inlet and a radial passage passing through the stopper bolt are secured to a great extent to reduce the flow loss as much as possible, and two O- Pressure gas automotive single-ended valve having a structure in which sealing pressure and sealing durability safety are secured by replacing a hexagonal ring.

In addition, it is possible to provide a high-pressure gas automobile single-type valve having a plurality of outflow inlets to form a structure in which a plurality of combustion devices can be simultaneously used in one high-pressure vessel, Pressure gas automotive single-ended valve.

It is also an object of the present invention to provide a high-pressure gas automotive single-ended valve capable of remotely providing various information such as gas leakage, charging, distribution, manufacturer, manager, and safety inspection related to high-pressure vessels and valves.

In order to accomplish the object of the present invention, a male screw is formed on an outer surface of a lower end portion of a handle of a plastic integrated handle formed by molding a brass stem and an aluminum handle into a single body, A double V-type ring having excellent safety for sealing and durability in order to secure the effect of reducing the weight of the integral type handle, safety of rotation strength without clearance phenomenon, reduced assembly process effect, and blocking the gas leaking in the axial direction of the tubular slider Double hexagonal rings are provided to ensure the overall length of the valve and the safety of sealing endurance.

The two circular tapers formed to have a concentric circle on the circular tread sheet which is pressed with the circular packing to ensure the sealing property, the airtightness is improved because the contact sealing surface is doubled,

In addition, a plurality of rectangular slots are formed in the axial direction along the circumferential direction of the cylindrical slider provided at the inner diameter portion of the outflow inlet, and a plurality of square holes are formed in the stopper bolt along the circumferential direction to form a flow between the cylindrical slider and the stopper bolt It is an object of the present invention to provide an automotive single-ended valve having a structure in which the flow loss of the gas is reduced by ensuring a sufficient gap and one double V type ring or double hexagonal ring is provided on the circumferential surface of the cylindrical slider to shorten the length and secure the sealing property .

In addition, it is convenient to provide several high-pressure gas automotive single-type valves with multiple outlets to allow multiple combustors or high-pressure hoses to be used simultaneously in one high-pressure vessel, and to provide an automotive single- .

The present invention also relates to an automotive single-ended valve for high-pressure gas which can remotely provide various information such as gas leakage, filling, distribution, manufacturer and manager, safety inspection related to high-pressure vessels and valves.

The present invention can be expected to reduce weight, stability of rotation strength, effect of a simple assembly process and cost reduction by integrally forming a handle of brass stem and aluminum handle with a material such as plastic or aluminum,

A single double V-shaped ring or a double hexagonal ring is provided to block the axial gas leakage of the tubular slider and the cylindrical slider, thereby ensuring the shortening of the entire length and the safety of the sealing endurance, and the rotation torque between the integral handle and the tubular slider Since the opening / closing function is driven by the separate protruding key, the key groove and the screw mechanism, the stability of the up and down reciprocating movement of the tubular slider is improved, the manufacturing cost and the assembling process are simplified, and the electronic tag is provided on the inner diameter portion of the integral handle, Can be provided wirelessly and the safety management effect can be expected.

In addition, a plurality of rectangular slots are formed in the axial direction along the circumferential direction of the cylindrical slider, and a plurality of square holes are formed in the stopper bolt along the circumferential direction to reduce the flow loss due to gas inflow and outflow, A single double-V type ring or a double hexagonal ring may be provided on the main surface to secure the shortening of the entire length and the safety of the sealing endurance.

In addition, it is possible to simultaneously use several combustion devices in one high-pressure vessel by installing several outlets in a high-pressure gas automotive single-ended valve, thereby providing convenience and reducing the on-site construction cost by installing a separate gas distributor, The possibility of gas leakage can be prevented at the source, and gas safety can be expected.

In addition, an electronic tag and a radio transceiver are installed on the inside of the integral handle of the automotive single-ended valve to easily manage the information related to the distribution, charging, and inspection of high-pressure gas, thereby providing gas safety and ease of use.

1 is a perspective view of a conventional single-acting valve for a high-pressure gas.
2 is a perspective view of an automotive single-ended valve for high-pressure gas according to the present invention.
3 is a perspective view showing a first embodiment of the present invention.
4 is a perspective view showing a second embodiment of the present invention.

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

As shown in FIG. 1, a body 10 of an automotive single-ended valve 110, which is screwed to the upper end of the high-pressure vessel 100 so as to store gas in the high-pressure vessel 100 and safely use the stored gas, A male screw 11 is formed on the outer peripheral surface of the lower end portion and upper and lower vertical holes 12 and 12 'penetrating from the lower portion to the upper portion are formed along the central axis of the body 10, A safety valve 120 is provided to prevent the explosion of the high-pressure vessel 100, which occurs when the internal pressure of the high-pressure vessel 100 rises abnormally,

A circular packing 15 which is pressed on a circular sheet 14 protruding from the upper end of the vertical hole 12 to perform a sealing operation is provided and a cylindrical hanger 15 for fixing the circular packing 15 with a bonding agent, Two circular oval grooves 18 for vertically arranging a pair of O-rings 17 are formed on the outer circumferential surface of the cylindrical hanger 16 in the upper and lower portions, respectively, A sealing action in the axial direction is performed by an elastic pressing action between the inner diameter surface of the vertical hole 12 'and the O-ring 17. A pair of cylindrical rings 19, The lower end stopper 21 and the upper end stopper 22 which are separated from each other by a predetermined distance are formed at the middle portion of the brass stem 20 in the upper and lower portions, respectively, by a brass stem 20, So that the up-and-down reciprocating movement of the brass stem (20) operated by the screw mechanism And the screw thread 25 is screwed to the female screw 24 formed at the center of the upper end of the brass stem 20 so as to be reciprocated by the pin 23 provided to pass through the body 10 transversely When the aluminum handle assembly 26 assembled to be fastened is rotated, the cylindrical hanger 16, which is detachably connected to the hanger 16, moves up and down.

The outer circumferential surface of the cylindrical hanger 16 which performs the reciprocating motion in the vertical direction is formed with an upper horizontal hole 27 (see FIG. 1) formed so as to penetrate in the left direction near the start of another vertical hole 12 'at the end of the vertical hole 12 And a female screw 24 'is provided on the inner diameter portion of the circular tube 28 which is formed so as to protrude from the outer extension of the upper horizontal hole 27 for normal inflow and outflow of gas. A stopper bolt 30 fastened to the female screw 24 'is formed with a closed one end along the central axis of the stopper bolt 30, An O-ring groove 18 'for inserting an O-ring 17' into the left side of the clogged portion of the closed hole 31, and a pair of rectangular holes 18 ' (32) is formed symmetrically, Direction of the cylindrical slider 33 so that the gas introduced into the closed hole 31 can flow out in the radial direction and allow the outflow gas to flow or flow normally through the inner circumferential gap of the cylindrical slider 33, Two O-ring grooves 18 '' for installing a pair of O-rings 17 '' are provided on the outer circumferential surface to block gas leaking on the inner circumferential gap of the outflow inlet 34, and the cylindrical slider 33 ' To an automotive single-ended valve for a high-pressure gas having a structure in which a reciprocating operation of a cylindrical slider (33) is allowed by a spring (29) so as to move along an inner diameter portion of an outflow inlet (34).

FIG. 2 shows an automotive single-ended valve for high-pressure gas according to the present invention. As shown in FIG. 2, the valve body 40 includes a single inflow inlet 34, a spring-type safety valve 120, The valve body 40 for fastening the upper end of the high-pressure vessel 100 to the outer peripheral surface of the lower end of the high-pressure vessel 100 has a structure in which two safety devices of the rupture disk mechanism 130 are installed at the same time, And a hollow horizontal plate 41 and a vertical hole 12 penetrating from the lower end portion to the intermediate portion along the central axis of the valve body 40 are formed successively to the upper side of the hollow lateral plate 41, Another vertical hole 12 'is formed to penetrate to the upper end of the valve body 40,

The lower horizontal holes 13 and 13 'penetrating in the right and rear directions of the corners where the hollow horizontal plate 41 and the vertical hole 12 meet are formed respectively so that when the internal pressure of the high-pressure vessel 100 rises abnormally The rupture disc mechanism 130 is provided with a hemispherical rupture disc 131 on the circular flat portion 132 of the valve body 40 so as to prevent the rupture of the container from occurring Is tightened with a disk-shaped bolt (133) having a male and female threads on its outer surface,

A circular packing 15 is provided on the upper surface of the hollow transverse plate 41 formed at the upper end of the vertical hole 12 so as to be in close contact with a pair of circular tapers 14 and 14 ' The tubular slider 42 has a cylindrical space 43 formed at the lowermost end of the tubular slider 42 so that the circular packing 15 can be inserted and fixed with a bonding agent, Shaped protruding keys 44 and 44 'which are separated from each other by 180 degrees along the vertical direction are formed on the outer circumferential surface of the upper and lower protruding keys 42 and 44, respectively, and inserted into the detachable protruding keys 44 and 44' A pair of keyways 45 for guiding are formed on both sides of the vertical hole 12 'so as to be apart from each other by 180 degrees along the vertical direction,

A square ring groove 47 is formed at the intermediate point of the vertical hole 12 'to allow insertion of a double hexagonal ring 46 so that the gap between the valve body 40 and the tubular slider 42 And the cut surface of the double hexagonal ring 46 is formed in such a way that two hexagonal rings are overlapped to protrude the two rectangular lines 48 and 48 ' The same structure as that of the tubular slider 42 can be used for the reciprocating movement of the tubular slider 42 by the installation of the double hexagonal ring 46. [ It is excellent in stability of operation durability and there is no local damage due to extrusion phenomenon which is pushed out by the high-pressure gas, so that the sealing durability safety is excellent.

A circular separator 49 is formed at the upper extension of the cylindrical space 43 formed at the lowermost end of the tubular slider 42 and a female spacer 24 is provided on the inner diameter surface between the circular separator 49 and the tubular slider 42 And the tubular slider 42 is formed in the female screw 24 in the process of fastening the male screw 11 'formed on the outer surface of the hollow spindle 50 formed at the lower end of the integral handle 50, A structure formed so as to be able to exercise,

A cylindrical stopper 52 is provided at an intermediate portion where the male screw 11 'formed on the outer diameter surface of the integral handle 50 terminates so as to be engaged when the tubular slider 42 is transferred to the upper portion, A cylindrical horseshoe shaped space 54 for inserting the horseshoe-shaped snap pin 53 is formed in the upper extension line of the male screw 50 so that the male screw 50 is always rotated in the left- Shaped slider 42 because the detachable protruding keys 44 and 44 'move along the key groove 45 while allowing the tubular slider 42 to reciprocate by the tightening action between the tubular sliders 42 and 24, Even if the integrated handle 50 is rotated in the lateral direction,

An electronic tag 55 for storing various information and a wireless transceiver 56 for wirelessly transmitting a signal are provided on the inner diameter portion of the vertical hole 12 "formed at one end of the central axis of the integral handle 50, ), Respectively, to enhance the safety management function of the storage container and the high-pressure gas valve,

The circular tapered sheet 14 and 14 'formed at the middle portion of the valve body 40 and the upper horizontal hole 27 are formed so as to penetrate in the left direction of the corner portion where the vertical hole 12' A cylindrical space 57 having a closed structure in which a female screw 24 'and a spring 29 can be provided on the inner diameter surface of the circular tube 28 protruding from the outward extension of the upper horizontal hole 27, Is secured to the female screw 24 'by a male screw 11' 'formed inside the stopper bolt 30' to an intermediate portion from the end of the outer surface of the stopper bolt 30 ', and the extension of the male screw 11' A plurality of rectangular holes 32, 32 ', 32' 'are formed along the circumferential surface at one end, and an outer diameter of the stopper bolt 30' through which the rectangular holes 32, 32 'and 32' 59 are formed to insert the hollow packing 60 and the right end of the stopper bolt 30 ' A going and that of a blocked form a closed-holes 31,

In addition, a cylindrical slider 33 'which performs a sliding frictional contact swing motion is formed along the outer surface of the stopper bolt 30', and the right end of the cylindrical slider 33 ' A protruding ring 61 formed at one end in the inward direction from the right end of the cylindrical slider 33 'is formed in a space formed at the left end of the circular tube 28 and the right side of the hollow packing 60 Shaped slots 62, 62 ', 62 "are formed at equal intervals in the left end portion of the cylindrical slider 33' in the circumferential direction, A square ring groove 47 'for providing a double hexagonal ring 46' is provided on the outer peripheral surface of the right end of the cylindrical slider 33 'so that a high pressure gas flowing out of the inner diameter portion of the flow inlet 34 And the cylindrical slider 33 ' A structure capable of reciprocating motion by the elastic restoring force of the spring 29 along the inner diameter portion of the outflow inlet 34,

When the high pressure gas is charged into the high pressure vessel 100, when the integral handle 50 is rotated in the counterclockwise direction, the tubular slider 42 is rotated by the fastening action between the male screw 11 'and the female screw 24 The rectangular openings 34, the rectangular slots 62, 62 ', 62' ', the rectangular holes 32, 32' and 32 '' are formed at the moment when the circular packing 15, The high pressure gas which has already passed through the closed hole 31, the upper horizontal hole 27 and the vertical hole 12 'and has always been waiting is immediately passed through the vertical hole 12 to be filled in the high pressure vessel 100,

In addition, the present invention relates to a high pressure gas automotive single-ended valve for a high-pressure gas, characterized in that the high pressure gas stored in the high-pressure vessel (100) is discharged outwardly.

FIG. 3 is a perspective view showing the first embodiment of the present invention. Here, unlike the valve structure in which the gas is flowed by one outflow inlet 34 and the safety valve 120, in the present invention, A pair of outflow inlets 34 and 34 'each having an automotive end functional unit 150 and 150' in the direction of the vertical hole 12 'and the upper horizontal holes 27 and 27' And the two high-pressure hoses are connected to one high-pressure vessel 100 at the same time,

The hollow horizontal plate 41 formed at the middle portion of the valve body 40 'is in contact with the corner where the vertical hole 12 meets the corner and is rotated 90 degrees with respect to the direction of the outflow inlets 34 and 34' (120) and a rupture disc mechanism (130) are installed on both sides to safely prevent the container explosion which occurs when the internal pressure of the high-pressure container (100) rises abnormally, and the rupture disc mechanism (130) The rupturing plate 131 is pressed and sealed by a disc-shaped bolt 133 having a male thread on an outer surface in contact with the circular flat portion 132 of the valve body 40 '

A circular packing 15 adhered to a pair of circular tapers 14 and 14 'formed concentrically and protruding is formed on the upper surface of the hollow transverse plate 41 connected to the upper end of the vertical hole 12 A cylindrical space 43 is formed at the lowermost end of the threaded slider 70 so that the circular packing 15 can be inserted and fixed by a bonding agent. Shaped ring groove 47 into which a double-V-shaped ring 71 can be inserted is formed in the middle of the outer peripheral surface of the threaded slider 70 so that the gap between the vertical hole 12 'and the threaded slider 70 Pressure gas to flow out along the axial direction through the gap, and the cut surface of the double-V-shaped ring 71 is formed so that two V-shaped rings are formed so as to overlap each other in an inverted manner and the three contact lines 72, 72 &Quot;, " 72 " It becomes a structure having the same effect as an alternative the two o-rings (17) for installation in the zone as a ring reduces the installation space, the sealing durability is excellent in safety,

A male thread 11 'is formed on the outer diameter surface from the uppermost end of the threaded slider 70 to the intermediate portion between the upper end of the threaded slider 70 and the middle portion between the upper end of the threaded slider 70 and the rectangular ring groove 47, And a threaded slider (70) is vertically reciprocated by a fastening mechanism with a female screw (24)

The screw type slider 70 is formed with a hollow hollow columnar keyway 74 having four hollow columnar grooves 73 from the uppermost end to the circular separator 49, Shaped protruding key 76 configured to have four cylindrical protrusions 75 from the lowermost end to the innermost end of the integral handle 50 is inserted into the handle 74,

A cylindrical stopper 52 is provided at an intermediate portion where the cross-shaped protruding key 76 formed on the outer surface of the integral handle 50 terminates so that the threaded slider 70 is engaged when the screwed slider 70 is transported upward, A cylindrical horseshoe-shaped space 54 for inserting a horseshoe-shaped snap pin 53 is formed in the upper extension line of the cylindrical stopper 52 so that even if the integral handle 50 rotates in the left-right direction, The male screw 11 'formed on the outer circumferential surface of the upper end of the threaded slider 70 is inserted into the valve body 40' during the above-mentioned process, and the rotational torque is transmitted from the protruding key 76 through the cross- ), Which has a structure that permits a reciprocating motion transfer action by a fastening action of riding on the internal thread 24 formed on the inner surface of the double-V type ring 71. The double-V type ring 71 is pushed out by the high- Local hand by The has the feature that the safety seal durability is excellent.

Further, the upper horizontal holes 27 and 27 'are formed so as to penetrate in the left and right directions of the corner where the hollow horizontal plate 41 formed in the middle portion of the valve body 40' meets the vertical hole 12 ' A female screw 24 'is provided on an inner diameter surface of the circular tube 28 and 28' protruding outwardly of the upper horizontal holes 27 and 27 ', and a spring 29 is provided on the outer diameter portion And a male screw 11 '' formed on the female screw 24 'so as to extend from the outer circumferential end of the stopper bolts 30' and 30 'to the intermediate portion, respectively, in the circumferential spaces 57 and 57' A plurality of small holes 58 and 58 'are formed along a circumferential surface at one end of an extension line through which the male screw 11' ends, and stopper bolts 30 'and 30' through which the small holes 58 and 58 ' Quot ;, respectively, and the hollow packing 60 and 60 'are respectively inserted, and the center axes of the stopper bolts 30' and 30 " Because it is going outwardly from the inner end, and one side is formed at the closed blind holes (31,31 '),

The cylindrical sliders 33 'and 33' 'for assembling the cylindrical sliders 33' and 33 '', which are engaged with each other in sliding frictional contact movement along the outer diameters of the stopper bolts 30 'and 30 " Inner ends of the cylindrical sliders 33 'and 33' 'are respectively supported by the springs 29 and 29', and the protruding rings 61 and 61 'formed at one inward ends of the inner diameter of the cylindrical sliders 33' The cylindrical sliders 33 'and 33' 'have a structure in which the outer ends of the cylindrical sliders 33' and 33 '' are hooked by an outer end portion of the hollow packing 60 'and a space formed inside the hollow packing 60' Accordingly, a plurality of rectangular slots 62 and 62 'are formed toward the inner side, and a double V-shaped ring 71' is provided on the outer diametric surface of the inner end of the cylindrical sliders 33 'and 33' And a high-pressure gas flowing out through the inner-diameter gap of each of the outflow inlets (34, 34 ') is supplied to one sealing member And the cylindrical sliders 33 'and 33' 'are structured such that they can reciprocate by elastic restoring forces of the springs 29 and 29' along inner diameter portions of the respective inlet / outlet openings 34 and 34 ' Lt;

When the integrated handle 50 is rotated counterclockwise in a primary direction when the high pressure gas stored in the high-pressure vessel 100 is discharged to the outside, the cross- The screw torque is transmitted to the threaded slider 70 so that the male thread 11 'rises upward in the upward direction by the female thread 24 and the circular packing 15, Is discharged through the openings 27 and 27 ', the closed holes 31 and 31', the small holes 58 and 58 ', the rectangular slots 62 and 62', and the outflow inlets 34 and 34 '

Further, when it is desired to fill the high-pressure vessel 100 with high-pressure gas, it has a plurality of safety device structures, that is, two outflow inlets that are operated in the reverse direction of discharge and into which high- To an automotive single-ended valve for high-pressure gas.

FIG. 4 is a perspective view showing a second embodiment of the present invention in which a structural feature different from that of FIG. 3 is that the gas is circulated by the two outflow inlets 34 and 34 ', and the safety valve 120 and the rupture disk mechanism 130, Unlike the structure in which two safeguards are installed, in the present invention, three outflow inlets (34, 34 ', 34 ") having a structure having left and right vehicle stopper portions (150, 150', 150" Pressure gas is distributed to three places by one vertical hole 12 'and three upper horizontal holes 27, 27' and 27 ", respectively, and is formed at the lower right side of the hollow transverse plate 41 The safety valve 120 is formed along the lower horizontal hole 13 to connect the high-pressure gas to the three high-pressure hoses by simultaneously connecting the three high-pressure hoses to one high-pressure vessel 100,

On the upper surface of the hollow transverse plate 41 formed to extend to the upper end of the vertical hole 12, a circular packing 15 adhered to a pair of circular treads 14 and 14 ' A cylindrical space 43 is formed at the lowermost end of the threaded slider 70 so that the circular packing 15 can be inserted and fixed with a bonding agent, ,

A rectangular ring groove 47 is formed in the middle portion of the outer circumferential surface of the threaded slider 70 so as to insert a U-shaped composite ring 77 having a structure in which two U- Shaped gas ring 77 to prevent leakage of the high-pressure gas flowing out along the axial direction through the gap between the vertical hole 12 'and the threaded slider 70, and an o- Since the two o-rings 17, which are provided with the three contact lines 72, 72 'and 72 "protruded, are formed as one ring, The present invention relates to an automotive single-ended valve for high-pressure gas, characterized in that the installation space is reduced, the sealing durability is excellent, and the gas is discharged through the three outflow openings.

The present invention described above is not limited to the structure and operation as shown and described. In other words, the present invention is susceptible to various changes and modifications within the spirit and scope of the appended claims.

10: body 11, 11 ', 11 ": male thread
12, 12 ', 12 ": vertical hole 13, 13': lower horizontal hole
14, 14: Circular Teeth 15: Circular packing
16: cylindrical hanger 17, 17 ', 17 "
18, 18 ', 18 ": O-ring groove 19, 19': Cylindrical ring
20: brass stem 21: lower stopper
22: upper stopper 23: pin
24,24 ': Female thread 25: Screw thread
26: aluminum handle 27, 27 ': upper horizontal hole
28, 28 ': circular tube 29, 29': spring
30, 30 ', 30 ": Stopper bolt 31, 31': Closed hole
32, 32 ', 32 ": rectangular holes 33, 33', 33": cylindrical slider
34, 34 ': Outflow inlet 40, 40': Valve body
41: hollow hollow plate 42: tubular slider
43, 43 ': cylindrical space 44, 44': detachable protruding key
45: keyway 46, 46 ': double hexagonal ring
47, 47 ': rectangular ring grooves 48, 48'
49: circular separator 50: integral handle
51: hollow spindle 52: cylindrical stopper
53: Horseshoe shaped snap pin 54: cylindrical horseshoe shaped space
55: Electronic tag 56: wireless transceiver
57: Cylindrical space 58, 58 ': Small hole
59: packing grooves 60, 60 ': hollow packing
61: protruding ring 62, 62 ', 62 ": rectangular slot
70: Screw type slider 71, 71 ': Double V type ring
72, 72 ', 72 ": contact line 73: hollow columnar groove
74: Cross hollow column-shaped key groove 75: Cylindrical protrusion
76: crisscross-shaped protruding key 77: composite ring of U-shape
100: High-pressure vessel 110: Automotive single-ended valve
120: Safety valve 130: Rupture mechanism
131: rupture plate 132: circular flat part
133: disk-shaped bolt 140: open / close operation part
150, 150, 150,

Claims (4)

A pair of circular tapers 14 and 14 'having a concentric circle are formed on the upper surface of the hollow transverse plate 41 formed like a separator in the middle of the vertical holes 12 and 12' penetrating the central portion of the valve body 40 And a cylindrical space 43 for inserting the circular packing 15 is formed inward from the lowermost end of the tubular slider 42,
A female screw 24 is formed on the inner diameter surface of the tubular slider 42 so as to be coupled to the male screw 11 'formed on the outer diameter surface of the lower end of the integral handle 50, The pair of detachable protruding keys 44 and 44 'are inserted into the key groove 45 formed in a direction perpendicular to the inner surface of the valve body 40 so that the tubular slider 42 does not rotate, Lt; / RTI >
A vertical hole 12 "having a closed end is formed in the inner diameter portion of the central axis of the integral handle 50 so as to install the electronic tag 55 and the wireless transceiver 56,
A rectangular ring groove 47 is formed in the inner diameter surface of the intermediate portion of the vertical hole 12 'formed to pass through the middle portion of the valve body 40, and a double ring- The cut surface of the ring 46 has a structure in which two hexagonal rings are formed so as to overlap each other and two rectangular lines 48 and 48 '
A cylindrical stopper 52 is formed on the upper extension of the intermediate portion where the male screw 11 'ends, so that the upper end of the tubular slider 42 is engaged. On the upper extension of the cylindrical stopper 52, Shaped slider (42) to allow upward and downward reciprocating movement of the integral handle (50) when the integral handle (50) is rotated in the lateral direction. The method according to claim 1,
The protruding ring 61 protruding from one end of the inner side of the inner diameter surface of the cylindrical slider 33 'is inserted into the space formed by the left end of the circular tube 28 and the right side of the hollow packing 60, A plurality of rectangular slots 62, 62 ', 62 "are formed at equal intervals in the left end of the cylindrical slider 33' in the circumferential direction, And a rectangular ring groove (47 ') for providing a double hexagonal ring (46') is provided on the inner side outer diameter surface of the valve. The cut surface of the double V-shaped ring 71 inserted into the rectangular ring groove 47 formed in the middle portion of the outer peripheral surface of the threaded slider 70 to be assembled to the vertical hole 12 'is formed so as to overlap two V- (72, 72 ', 72 ") protruding from each other,
The male screw 11 'formed from the uppermost end of the outer diameter surface of the threaded slider 70 to the middle portion of the rectangular ring groove 47 has a female thread 24' formed from the upper end of the inner diameter surface of the valve body 40 ' And an inner diameter surface of the threaded slider 70 is formed with a four-hole hollow columnar keyway 74 having four hollow columnar grooves 73 from the uppermost end to the circular separator 49, Is inserted into a cross-shaped protruding key 76 having four cylindrical protrusions 75 formed from the lowermost end of the handle 50 to the innermost end thereof,
A cylindrical horseshoe-shaped space (not shown) for inserting a horseshoe-shaped snap pin 53 is formed in the upper extension of the cylindrical stopper 52 formed in the middle portion where the cross-shaped protruding key 76 formed on the outer surface of the integral handle 50 ends. 54)
The male thread 11 'formed on the outer diameter surface of the upper end of the threaded slider 70 is engaged with the female thread 24 formed on the inner diameter surface of the upper end portion of the valve body 40' Valve for high pressure gas. delete

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