CN203255351U - Life-saving projectile launcher - Google Patents
Life-saving projectile launcher Download PDFInfo
- Publication number
- CN203255351U CN203255351U CN 201320167671 CN201320167671U CN203255351U CN 203255351 U CN203255351 U CN 203255351U CN 201320167671 CN201320167671 CN 201320167671 CN 201320167671 U CN201320167671 U CN 201320167671U CN 203255351 U CN203255351 U CN 203255351U
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- Prior art keywords
- air passage
- shaft part
- sheath
- public air
- cavity
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Abstract
The utility model relates to a life-saving projectile launcher, and belongs to the technical field of life-saving equipment. The life-saving projectile launcher comprises a gas storage bottle, a barrel and a rear cover, wherein the barrel is formed by casing an inner pipe and an outer pipe; a first cavity and a second cavity are formed by the inner pipe and the outer pipe together with the rear cover respectively; a public air passage as well as a first air passage communicated with the public air passage and the first cavity, a second air passage communicated with the public air passage and the second cavity and a third air passage communicated with the public air passage and the air storage bottle are formed in the rear cover; a switch valve element, a spring connected with the switch valve element and an ejection shaft for pushing the switch valve element to move along the public air passage are arranged in the public air passage; a protective jacket is arranged on the rear cover; the ejection shaft is sleeved in the protective jacket and is capable of moving in the protective jacket; one port, close to the ejection shaft, of the public air passage is provided with a sealing ring, and the other port, close to the spring, is provided with a blind plate; a metal gasket is further arranged between the sealing ring and the protective jacket. The life-saving projectile launcher can enhance launching pressure and increase a firing range.
Description
Technical field
The utility model relates to a kind of Lifesaving Heaving Device, belongs to the lifesaving appliance technical field.
Background technology
At present Lifesaving Heaving Device is adopted for fields such as salvage, maritime affairs, merchant ship (in far away, middle sea), special types.Existing Lifesaving Heaving Device utilizes the pressurized air grapple shot of jettisoninging, and generally adopts the version of gun, decompression shutoff valve control intake pressure is set between the cavity of gun rack and emission projectile body, but the shutoff valve that reduces pressure can not be regulated pressure.In addition, use rubber cradle to seal in the junction of trigger and emission switch, but the rubber cradle of sealing arches up in use easily, thereby leak air, impact is normally used, and can only often change, and not only wastes time and energy, and has increased cost.The applicant finds that in use existing Lifesaving Heaving Device can only be launched 150 meters with interior distance, otherwise can be because pressure is excessive, and twice emitting just is enough to damage rubber cradle and Lifesaving Heaving Device can not normally be used.
The utility model content
The technical matters that the utility model solves is: propose a kind of Lifesaving Heaving Device, can increase the emission pressure of Lifesaving Heaving Device, improve the range of Lifesaving Heaving Device, and can prolong the service life of Lifesaving Heaving Device.
In order to solve the problems of the technologies described above, the technical scheme that the utility model proposes is: a kind of Lifesaving Heaving Device, comprise gaholder, the gun barrel that is used for the emission grapple shot, the bonnet that connects gaholder and gun barrel, described gun barrel is by interior, outer tube is sheathed to be formed, in described, outer tube forms the first cavity and the second cavity with the bonnet junction respectively, be shaped with the direction public air passage vertical with gun barrel in the described bonnet, be respectively equipped with the first air passage that is communicated with public air passage and the first cavity in the described bonnet, be communicated with the second air passage of public air passage and the second cavity and be communicated with the 3rd air passage of public air passage and gaholder, be provided with the switch spool in the described public air passage, but the apical axis that the spring of connecting valve spool one end and the connecting valve spool other end and pull switch spool move along public air passage, described bonnet is provided with sheath, and described apical axis is set in the sheath and can moves in sheath; Described public air passage is provided with seal ring near a port of apical axis, and its another port near spring is provided with blind plate; Also be provided with metallic gasket between described seal ring and the sheath.
To improvement of the technical scheme be: described metallic gasket outer ring is shaped with the step surface that matches with the end face of described sheath.
To further improvement in the technical proposal be: the inner ring of described metallic gasket forms stepped hole, is shaped with male cone (strobilus masculinus) on the described apical axis, and described stepped hole forms the inner conical surface that matches with male cone (strobilus masculinus) towards a side of apical axis.
To further improving again of technique scheme be: the part that described apical axis is positioned at described sheath is the first shaft part, the second shaft part and the 3rd shaft part that external diameter successively decreases successively, described male cone (strobilus masculinus) is formed at the second shaft part near the end of the 3rd shaft part, the external diameter of described the first shaft part is consistent with the internal diameter of described sheath, described the 3rd shaft part connecting valve spool, the external diameter of described the 3rd shaft part is consistent with the external diameter of the described switch spool other end.Like this, can reduce the volume of Lifesaving Heaving Device, prolong the stroke that apical axis moves, make its more compact structure.
To more further improving of technique scheme be: the cone angle of described inner conical surface and male cone (strobilus masculinus) is the 50-70 degree.
In addition, in order to regulate the atmospheric pressure that of gaholder, described gaholder exit is provided with charge valve.
When pressure was excessive, the utility model can not damage because of pressure is excessive for the protection Lifesaving Heaving Device, and described public air passage is provided with safety valve, and described safety valve is used for pressure release.
The beneficial effect that the utility model brings is:
1) because Lifesaving Heaving Device of the present utility model arranges the metallic gasket of press seal circle between seal ring and sheath, therefore can prevent that seal ring from arching up, increased the emission pressure of Lifesaving Heaving Device, improved the range of Lifesaving Heaving Device, and greatly prolonged life-span of seal ring, saved and substituted the required human cost of seal ring;
2) because the utility model is shaped with the metallic gasket outer ring step surface that matches with the end face of sheath, strengthened the area of contact of metallic gasket and sheath, further increased the emission pressure of Lifesaving Heaving Device, further improved the range of Lifesaving Heaving Device, carry out reforming test through the applicant at existing Lifesaving Heaving Device, the range that has Lifesaving Heaving Device now can be brought up to 300 meters by 150 meters;
3) apical axis of the present utility model adopts the form of stepped shaft, and being shaped with male cone (strobilus masculinus) at apical axis, stepped hole forms the inner conical surface that matches with male cone (strobilus masculinus) towards a side of apical axis, has reduced the volume of Lifesaving Heaving Device, prolonged the stroke that apical axis moves, thereby made the more compact structure of Lifesaving Heaving Device;
4) Lifesaving Heaving Device of the present utility model can be regulated the atmospheric pressure that of gaholder owing to be provided with charge valve in the gaholder exit, thereby the location is more accurate when launching grapple shot, and can prolong the life-span of Lifesaving Heaving Device; Owing to be provided with safety valve at public air passage, can protect Lifesaving Heaving Device can not damage because pressure is excessive.
Description of drawings
Below in conjunction with accompanying drawing Lifesaving Heaving Device of the present utility model is described further.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the enlarged drawing of A section among Fig. 1.
The specific embodiment
Embodiment one
The Lifesaving Heaving Device of present embodiment, as depicted in figs. 1 and 2, comprise gaholder 1, the gun barrel that is used for the emission grapple shot, the bonnet 2 that connects gaholder 1 and gun barrel, wherein gun barrel is by inner tube 5 and outer tube 4 sheathed forming, inner tube 5 and outer tube 4 form the first cavity 7-1 and the second cavity 7-2 with bonnet 2 junctions respectively, be shaped with the direction public air passage 12 vertical with gun barrel in the bonnet 2, be respectively equipped with the first air passage 9-1 that is communicated with public air passage 12 and the first cavity 7-1 in the bonnet 2, be communicated with the second air passage 9-2 of public air passage 12 and the second cavity 7-2 and be communicated with the 3rd air passage 8 of public air passage 12 and gaholder 1, be provided with switch spool 14 in the public air passage 12, but the apical axis 3 that the spring of connecting valve spool 14 1 ends and connecting valve spool 14 other ends and pull switch spool 14 move along public air passage 12, bonnet 2 is provided with sheath 6, and apical axis 3 is set in also can be in sheath 6 interior movements in the sheath 6; Public air passage 12 is provided with seal ring 11 near a port of apical axis 3, and its another port near spring is provided with blind plate; Also be provided with metallic gasket 10 between seal ring 11 and the sheath 6.
The metallic gasket 10 of present embodiment in use can press seal circle 11, can prevent that seal ring 11 from arching up, increased the emission pressure of Lifesaving Heaving Device, improved the range of Lifesaving Heaving Device, and greatly prolonged life-span of seal ring 11, saved and substituted the required human cost of seal ring 11.
The outer ring of the metallic gasket 10 of present embodiment is shaped with the step surface that matches with the end face of sheath 6, and the inner ring of metallic gasket 10 forms stepped hole, is shaped with male cone (strobilus masculinus) on the apical axis 3, and stepped hole forms the inner conical surface that matches with male cone (strobilus masculinus) towards a side of apical axis 3.
Present embodiment is shaped with the step surface that matches with the end face of sheath 6 with the outer ring of metallic gasket 10, strengthened the area of contact of metallic gasket 10 with sheath 6, further increased the emission pressure of Lifesaving Heaving Device, further improve the range of Lifesaving Heaving Device, the range that has Lifesaving Heaving Device now can have been brought up to 300 meters by 150 meters.
The part that the apical axis 3 of present embodiment is positioned at sheath 6 is the first shaft part, the second shaft part and the 3rd shaft part that external diameter successively decreases successively, above-mentioned male cone (strobilus masculinus) is formed at the second shaft part near the end of the 3rd shaft part, the external diameter of the first shaft part is consistent with the internal diameter of sheath 6, the external diameter of the 3rd shaft part connecting valve spool 14, the three shaft parts is consistent near the external diameter of apical axis 3 one ends with switch spool 14.Like this, reduced the volume of Lifesaving Heaving Device, prolonged the stroke that apical axis 3 moves, thereby made the more compact structure of Lifesaving Heaving Device.
Present embodiment can also be done following improvement:
1) in order to regulate the atmospheric pressure that of gaholder 1, in gaholder 1 exit charge valve 13 is set.
2) when pressure is excessive, for the protection Lifesaving Heaving Device can not damage because of pressure is excessive, be provided for the safety valve of pressure release on the public air passage 12.
Embodiment two
Present embodiment and embodiment one are basic identical, and its difference is: the metallic gasket 10 of present embodiment is not established step surface and inner conical surface, and metallic gasket 10 has in the same size with seal ring 11.Correspondingly, the second shaft part of the apical axis 3 of present embodiment is not established male cone (strobilus masculinus) near the end of the 3rd shaft part.
Embodiment three
Present embodiment is the improvement on embodiment two bases, and be with the difference of embodiment two: the outer ring of the metallic gasket 10 of present embodiment is shaped with the step surface that matches with the end face of sheath 6.
Embodiment four
Present embodiment is that the another kind on embodiment two bases improves, be with the difference of embodiment two: the inner ring of the metallic gasket 10 of present embodiment forms stepped hole, be shaped with male cone (strobilus masculinus) on the apical axis 3, stepped hole forms the inner conical surface that matches with male cone (strobilus masculinus) towards a side of apical axis 3.Correspondingly, the apical axis 3 of present embodiment is provided with the male cone (strobilus masculinus) that matches with inner conical surface in the end of close the 3rd shaft part of the second shaft part, and wherein the cone angle of inner conical surface and male cone (strobilus masculinus) is 60 degree.
Lifesaving Heaving Device of the present utility model can be applied in the complicated rescue place such as river bank, lakeside, riverside and seashore, can realize remote water survival, also can be applied in the shooting rope operation of the rescue occasions such as civilian, police, military, fire-fighting, ship-to-ship, ship to shore, high building or mountain stream.
Lifesaving Heaving Device of the present utility model is not limited to the described concrete technical scheme of above-described embodiment, and all employings are equal to the technical scheme of replacing formation and are the protection domain that the utility model requires.
Claims (7)
1. Lifesaving Heaving Device, comprise gaholder, the gun barrel that is used for the emission grapple shot, the bonnet that connects gaholder and gun barrel, described gun barrel is by interior, outer tube is sheathed to be formed, in described, outer tube forms the first cavity and the second cavity with the bonnet junction respectively, be shaped with the direction public air passage vertical with gun barrel in the described bonnet, be respectively equipped with the first air passage that is communicated with public air passage and the first cavity in the described bonnet, be communicated with the second air passage of public air passage and the second cavity and be communicated with the 3rd air passage of public air passage and gaholder, be provided with the switch spool in the described public air passage, but the apical axis that the spring of connecting valve spool one end and the connecting valve spool other end and pull switch spool move along public air passage, described bonnet is provided with sheath, and described apical axis is set in the sheath and can moves in sheath; Described public air passage is provided with seal ring near a port of apical axis, and its another port near spring is provided with blind plate; It is characterized in that: also be provided with metallic gasket between described seal ring and the sheath.
2. Lifesaving Heaving Device according to claim 1, it is characterized in that: described metallic gasket outer ring is shaped with the step surface that matches with the end face of described sheath.
3. Lifesaving Heaving Device according to claim 1 and 2 is characterized in that: the inner ring of described metallic gasket forms stepped hole, is shaped with male cone (strobilus masculinus) on the described apical axis, and described stepped hole forms the inner conical surface that matches with male cone (strobilus masculinus) towards a side of apical axis.
4. Lifesaving Heaving Device according to claim 3, it is characterized in that: the part that described apical axis is positioned at described sheath is the first shaft part, the second shaft part and the 3rd shaft part that external diameter successively decreases successively, described male cone (strobilus masculinus) is formed at the second shaft part near the end of the 3rd shaft part, the external diameter of described the first shaft part is consistent with the internal diameter of described sheath, described the 3rd shaft part connecting valve spool, the external diameter of described the 3rd shaft part is consistent with the external diameter of the described switch spool other end.
5. Lifesaving Heaving Device according to claim 4, it is characterized in that: the cone angle of described inner conical surface and male cone (strobilus masculinus) is the 50-70 degree.
6. Lifesaving Heaving Device according to claim 1 and 2, it is characterized in that: described the 3rd air passage is provided with charge valve.
7. Lifesaving Heaving Device according to claim 1 and 2, it is characterized in that: described public air passage is provided with safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320167671 CN203255351U (en) | 2013-04-07 | 2013-04-07 | Life-saving projectile launcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320167671 CN203255351U (en) | 2013-04-07 | 2013-04-07 | Life-saving projectile launcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203255351U true CN203255351U (en) | 2013-10-30 |
Family
ID=49467939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320167671 Expired - Lifetime CN203255351U (en) | 2013-04-07 | 2013-04-07 | Life-saving projectile launcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203255351U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171747A (en) * | 2013-04-07 | 2013-06-26 | 李存扣 | Lifesaving throwing device |
| CN105947104A (en) * | 2016-05-17 | 2016-09-21 | 江苏科技大学 | Water rescue pentamaran |
| CN113302124A (en) * | 2018-11-21 | 2021-08-24 | 感环境设计株式会社 | Fixed life saving tool launching device |
-
2013
- 2013-04-07 CN CN 201320167671 patent/CN203255351U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171747A (en) * | 2013-04-07 | 2013-06-26 | 李存扣 | Lifesaving throwing device |
| CN105947104A (en) * | 2016-05-17 | 2016-09-21 | 江苏科技大学 | Water rescue pentamaran |
| CN113302124A (en) * | 2018-11-21 | 2021-08-24 | 感环境设计株式会社 | Fixed life saving tool launching device |
| CN113302124B (en) * | 2018-11-21 | 2024-03-19 | 感环境设计株式会社 | Fixed life-saving tool transmitting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151013 Address after: 225300, 66 innovation Avenue, Jiangsu, Taizhou Patentee after: TAIZHOU CITY JINHAIYUN VESSEL FACILITY Co.,Ltd. Address before: 225316 Jiangsu province Taizhou City Rainbow Road Economic Development Zone No. 66 Patentee before: Li Cunkou |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |