KR101638768B1 - Gas Injection Apparatus Having Stopping Ball - Google Patents

Gas Injection Apparatus Having Stopping Ball Download PDF

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Publication number
KR101638768B1
KR101638768B1 KR1020150111649A KR20150111649A KR101638768B1 KR 101638768 B1 KR101638768 B1 KR 101638768B1 KR 1020150111649 A KR1020150111649 A KR 1020150111649A KR 20150111649 A KR20150111649 A KR 20150111649A KR 101638768 B1 KR101638768 B1 KR 101638768B1
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KR
South Korea
Prior art keywords
moving shaft
hole
sectional area
cross
region
Prior art date
Application number
KR1020150111649A
Other languages
Korean (ko)
Inventor
김성훈
박종오
권미영
김경우
이희준
Original Assignee
에스지생활안전 주식회사
선박안전기술공단
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Publication date
Application filed by 에스지생활안전 주식회사, 선박안전기술공단 filed Critical 에스지생활안전 주식회사
Priority to KR1020150111649A priority Critical patent/KR101638768B1/en
Application granted granted Critical
Publication of KR101638768B1 publication Critical patent/KR101638768B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0376—Dispensing pistols

Abstract

According to the present invention, a gas injecting device including a stopping ball includes: a body of which storage space and gas flow passage include a first area with a first sectional area and a second area with a second sectional area smaller than the first sectional area, and of which step is formed between the first and second areas; a moving shaft inserted into the storage space by having a sectional area corresponding to the second area, and including a through hole, penetrated left and right, and an insertion hole extended upward from the center of the through hole; a locking member placed on the center of the through hole, and formed to be separable from the moving shaft through the insertion hole; a pair of stopping balls of which part is inserted into the through hole in a state, in which the locking member is placed on the center of the through hole, of which the other part is hung on the step to fix the moving shaft, and releasing the fixed moving shaft by being completely inserted into the through hole in a state in which the locking member is separated from the moving shaft; and an elastic member installed on the upper part of the moving shaft to make the moving shaft hit a gas container by providing thrust to the moving shaft if the fixed moving shaft is released.

Description

[0001] The present invention relates to a gas injection apparatus including a stopping ball,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas injection apparatus, and more particularly, to a gas injection apparatus which is simple in structure and can be reused by a stopping ball.

BACKGROUND ART [0002] In general, a gas injection device for opening a gas container containing carbon dioxide compressed at high pressure and injecting gas into an inflatable product such as a life jacket or a lifeboat is widely used.

The conventional gas injecting apparatus has a method of moving the shaft by a direct pushing method, a leverage method, a cam method or the like to destroy the copper plate of the gas container. Such a conventional gas injecting apparatus has a complicated internal structure, and thus has a problem of frequent breakdown due to impact.

Also, there is a problem that waste of material and cost is severe because it is required to dispose after one use, and environmental problems are also emerging accordingly.

Therefore, a method for solving such problems is required.

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-described problems of the prior art, and has as its object to provide a gas injection device which has a simple trigger structure and is reusable.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a gas injecting apparatus including a stopping ball, the gas injecting apparatus including a stopping ball including a first region having a first cross-sectional area and a second region having a second cross- And a gas flow passage formed in the housing space, a body having a stepped portion formed between the first region and the second region, a through-hole formed in the housing space so as to have a sectional area corresponding to the second region, A locking member which is located at the center of the through hole and is detachable from the moving shaft through the insertion hole, a locking member which is disposed at a center of the through hole, A part of the through hole is inserted into the through hole at a center position and the remaining part of the through hole is formed to catch the step, A pair of stopping balls inserted completely into the through-holes in a state where the lock member is separated from the moving shaft to release the fixed state of the moving shaft, and a pair of stopping balls provided on the moving shaft, And a resilient member for urging the movable shaft to hit the gas container by providing a thrust to the movable shaft when the movable shaft is released.

The step may be formed to be inclined downward.

Further, on the circumferential surface of the moving shaft, a protrusion that is formed to catch the step and restricts the maximum moving range of the moving shaft may be formed.

The diameter of the first region may correspond to the sum of the diameter of the pair of stopping balls and the width of the lock member.

And an operation unit connected to the lock member and extending outward through an opening in the upper portion of the body to allow the user to operate the lock member from the outside of the body to release the lock member from the move shaft.

The operation unit may include an engagement member formed to have a cross-sectional area larger than the cross-sectional area of the opening and hooked to the opening.

Further, an insertion groove into which a part of the stopping ball is inserted may be formed on a circumferential surface of the lock member.

In order to solve the above-described problems, the gas injection apparatus including the stopping ball of the present invention has the following effects.

First, the structure of the moving shaft is very simple, so that it is easy to manufacture and the failure rate can be greatly reduced.

Second, it provides an advantage that it can effectively destroy the gas container copper plate because it provides a sufficient triggering force.

Third, there is an advantage that it can be reused.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view showing a state in which a gas injection device according to a first embodiment of the present invention is mounted on a gas container;
2 is a cross-sectional view showing an internal structure of a gas injection apparatus according to a first embodiment of the present invention;
3 is a cross-sectional view showing a state where a stopping ball is inserted into a through hole of a moving shaft in a gas injecting apparatus according to a first embodiment of the present invention;
FIGS. 4 to 7 are cross-sectional views illustrating the use of the gas injection apparatus according to the first embodiment of the present invention; And
8 is a cross-sectional view showing a state of a lock member in a gas injecting apparatus according to a second embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

FIG. 1 is a perspective view showing a state in which a gas injection apparatus 100 according to a first embodiment of the present invention is mounted on a gas container 10. FIG.

1, the gas injecting apparatus 100 according to the first embodiment of the present invention is formed to be mountable to the gas container 10, and in this state, the inside of the gas container 10 is sealed The copper plate can be broken and the compressed gas can be injected into the expandable product.

To this end, the gas injecting apparatus 100 of the present embodiment includes a first body portion 110a having a structure for destroying the copper plate of the gas container 10, and a second body portion 110b for compressing the compressed gas ejected from the gas container 10 into an inflatable product And a body 110 having a second body portion 110b formed therein.

FIG. 2 is a cross-sectional view showing the internal structure of a gas injecting apparatus 100 according to a first embodiment of the present invention. FIG. 3 is a cross-sectional view of a gas injecting apparatus 100 according to the first embodiment of the present invention, Sectional view showing a state in which the stopping ball 140 is inserted into the through-hole 122 of the through-hole 120. 4 is an enlarged cross-sectional view of a main portion of the gas injecting apparatus 100 according to the first embodiment of the present invention.

2 and 4, the gas injection apparatus 100 according to the first embodiment of the present invention includes a body 110, a moving shaft 120, a locking member 130, (140), and an elastic member (150).

The body 110 has a receiving space 111 and a gas flow path 113 formed therein. More specifically, in this embodiment, the accommodation space 111 is formed in the first body part 110a, and the gas flow path 113 is formed in the second body part 110b.

The receiving space 111 includes a first region 111a having a first cross-sectional area and a second region 111b having a second cross-sectional area smaller than the first cross-sectional area. The first region 111a and the second region 111b are circular in cross section so that the diameter of the first region 111a is larger than the diameter of the second region 111b And a step 112 is formed between the first region 111a and the second region 111b.

In the present embodiment, the stepped portion 112 is formed to be inclined downward, and the reason for this will be described later.

It is needless to say that the shape of the body 110 is not limited to the present embodiment, and may have various shapes.

The moving shaft 120 is formed to have a cross-sectional area corresponding to the second area 111b and is inserted into the receiving space 111. [ An upper portion of the moving shaft 120 is formed with a through hole 122 penetrating through the through hole 122 in the left and right direction and an insertion hole 134 extending from the center of the through hole 122 to the upper end.

At this time, the lower portion of the moving shaft 120 is formed so that the sectional area gradually decreases, thereby effectively breaking the copper plate of the gas container.

The locking member 130 is positioned at the center of the through hole 122 and is detachable from the moving shaft 120 through the insertion hole 124. That is, the locking member 130 is inserted into the moving shaft 120 through the insertion hole 124, and is located at the center of the through hole 122. And may be moved along the insertion hole 124 and separated from the moving shaft 120 according to an operation.

In the present embodiment, the lock member 130 is connected to the lock member 130 and extends outward through an opening in the upper portion of the body 110 so that the user can operate the lock member 130 from the outside of the body, And an operation unit 134 for allowing the operation unit 134 to be separated from the operation unit 120.

In this embodiment, the operating portion 134 is formed in a string shape, and the user pulls the operating portion 134 to release the locking member 130 from the moving shaft 120.

The operation unit 134 may further include a latching member 136 formed to have a cross-sectional area larger than the cross-sectional area of the opening of the upper portion of the body 110 and hooked to the opening. This is to prevent the operating part 134 from being completely inserted into the inside of the body 110 and becoming unusable. In the present embodiment, the latching member 136 is formed in a spherical shape and hooked on the opening of the upper portion of the body 110.

A pair of the stopping balls 140 are provided and a part of the stopping ball 140 is inserted into the through hole 122 in a state where the lock member 130 is positioned at the center of the through hole 122.

That is, when the lock member 130 is positioned at the center of the through hole 122, a part of the through hole 122 protrudes outward so that the entire volume is not inserted.

In this embodiment, the diameter of the first region 111a may correspond to the sum of the diameter of the pair of the stopping balls 140 and the width of the lock member 130. The stopping ball 140 is caught by the step 112 formed between the first region 111a and the second region 111b and can be fixed so that the moving shaft 120 is not moved downward .

At this time, an elastic member 150 is provided on the upper portion of the moving shaft 120, and the elastic member 150 is fixed to the upper surface of the moving shaft 120 by the stopping ball 140, In a compressed state.

The structure of the gas injecting apparatus 100 according to the present invention has been described above. In the following, referring to FIGS. 4 to 7, the process of using the gas injecting apparatus 100 according to the first exemplary embodiment of the present invention is sequentially described Explain it.

4, the lock member 130 is inserted and positioned at the center of the through hole 122 in the moving shaft 120, and the pair of stopping balls 140 are disposed on both sides of the through hole 122 And is caught by the stepped portion 112.

In this state, the resilient member 150 presses the moving shaft 120 in a compressed state by the restoring force, and the stopping ball 140 moves in a direction in which the step 112 and the upper surface of the through hole 122 So that the movable shaft 120 is fixed.

In this state, as shown in FIG. 5, the user pulls the operating part 134 to release the locking member 130 from the through hole 122. The center portion of the through hole 122 becomes empty and the pair of the stopping balls 140 are pushed inward by the pressing force of the elastic member 150 and the inclination of the step 112, .

Accordingly, the fixed state of the movable shaft 120 is released, and the movable shaft 120 is triggered to protrude downward and hit the gas container with the restoration of the elastic member 150 as shown in FIG.

7, the compressed gas flows through the gas flow path 113 and the compressed gas is injected into the expandable product connected to the second body portion 110b.

At this time, in the present embodiment, on the circumference surface of the moving shaft 120, a protrusion 126 which is formed to be hung on the step 112 and limits the maximum moving range of the moving shaft 120 is formed, The moving shaft 120 stops moving at a point of time when the protrusion 126 and the step 112 are in contact with each other. The protrusion 126 may play a role of supporting the elastic member 150 in addition to restricting the maximum movement range of the moving shaft 120.

As described above, according to the present invention, the trigger structure of the movable shaft 120 is very simple and easy to manufacture, and the failure rate can be greatly reduced. Further, the locking member 130 is inserted into the moving shaft 120 again, which is advantageous in that it can be reused permanently.

Hereinafter, another embodiment of the present invention will be described.

8 is a cross-sectional view showing a state of the locking member 130 in the gas injecting apparatus according to the second embodiment of the present invention.

In the case of the second embodiment of the present invention shown in FIG. 8, all the components are the same as those of the first embodiment, but the lock member 130 is formed in a different shape.

Specifically, in the present embodiment, an insertion groove 132 into which a part of the stopping ball 140 is inserted is formed on a circumferential surface of the lock member 130. That is, the stopping ball 140 is slightly inserted into the lock member 130, so that the lock member 130 is caught by the stopping ball 140.

As a result, in the present embodiment, when the lock member 130 is released using the operation unit 134, a resistance by the stopping ball 140 is generated, It is possible to prevent the movable shaft 120 from being separated from the movable shaft 120 differently.

That is, since the locking member 130 can be separated from the moving shaft 120 only when an external force equal to or greater than a certain level is applied, the locking member 130 can be used more stably.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

10: gas container 100: gas injection device
110: body 110a: first body part
110b: second body part 111: accommodation space
111a: first region 111b: second region
112: step 113: gas flow passage
120: moving shaft 122: through hole
124: insertion hole 126:
130: locking member 132: insertion groove
134: operating part 136:
140: stopping ball 150: elastic member

Claims (7)

Wherein a receiving space and a gas flow path including a first region having a first cross-sectional area and a second region having a second cross-sectional area smaller than the first cross-sectional area are formed, and a step between the first region and the second region A formed body;
A through hole formed to have a cross-sectional area corresponding to the second area and inserted into the accommodation space, the through hole being passed through in the left and right direction, and an insertion hole extending from the center of the through hole to an upper end;
A locking member located at the center of the through hole and detachably connected to the moving shaft through the insertion hole;
Wherein the locking member is partially inserted in the through hole when the locking member is positioned at the center of the through hole and the remaining portion is formed to catch the step so as to fix the moving shaft, A pair of stopping balls inserted completely into the through-hole to release the fixed state of the moving shaft; And
An elastic member provided at an upper portion of the moving shaft to provide a driving force to the moving shaft when the moving shaft is released from the fixed state so that the moving shaft strikes the gas container;
. The method according to claim 1,
Wherein the step is formed to be inclined downward. The method according to claim 1,
And a projecting portion formed on the circumferential surface of the moving shaft so as to catch the step so as to limit the maximum moving range of the moving shaft. The method according to claim 1,
And the diameter of the first region corresponds to the sum of the diameter of the pair of stopping balls and the width of the lock member. The method according to claim 1,
Further comprising an operating portion connected to the lock member and extending outward through an opening in the upper portion of the body so that a user can operate the member outside the body to release the lock member from the moving shaft. 6. The method of claim 5,
Wherein the operating portion is provided with a latching member formed to have a cross-sectional area larger than the cross-sectional area of the opening portion and hooked to the opening portion. The method according to claim 1,
And an insertion groove into which a part of the stopping ball is inserted is formed on a circumferential surface of the lock member.
KR1020150111649A 2015-08-07 2015-08-07 Gas Injection Apparatus Having Stopping Ball KR101638768B1 (en)

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KR1020150111649A KR101638768B1 (en) 2015-08-07 2015-08-07 Gas Injection Apparatus Having Stopping Ball

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Application Number Priority Date Filing Date Title
KR1020150111649A KR101638768B1 (en) 2015-08-07 2015-08-07 Gas Injection Apparatus Having Stopping Ball

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KR101638768B1 true KR101638768B1 (en) 2016-07-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101935935B1 (en) 2018-04-25 2019-04-03 백인석 Gas injection and sealing device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030025250A (en) * 2003-02-15 2003-03-28 용 달 장 Expansion device of life jacket
KR101256213B1 (en) * 2012-02-16 2013-04-19 황진성 Gas injecting apparatus
KR101453735B1 (en) * 2014-07-18 2014-10-23 삼공물산 주식회사 Gas injecting apparatus
KR101460040B1 (en) * 2014-05-23 2014-11-10 삼공물산 주식회사 Gas injecting apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030025250A (en) * 2003-02-15 2003-03-28 용 달 장 Expansion device of life jacket
KR101256213B1 (en) * 2012-02-16 2013-04-19 황진성 Gas injecting apparatus
KR101460040B1 (en) * 2014-05-23 2014-11-10 삼공물산 주식회사 Gas injecting apparatus
KR101453735B1 (en) * 2014-07-18 2014-10-23 삼공물산 주식회사 Gas injecting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101935935B1 (en) 2018-04-25 2019-04-03 백인석 Gas injection and sealing device

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