CN215399270U - Portable life-saving throwing device - Google Patents
Portable life-saving throwing device Download PDFInfo
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- CN215399270U CN215399270U CN202121650620.1U CN202121650620U CN215399270U CN 215399270 U CN215399270 U CN 215399270U CN 202121650620 U CN202121650620 U CN 202121650620U CN 215399270 U CN215399270 U CN 215399270U
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- 238000003860 storage Methods 0.000 claims abstract description 50
- 238000010304 firing Methods 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 86
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a portable lifesaving throwing device, which relates to the technical field of fire rescue facilities and comprises a throwing device body, a small compressed gas cylinder and a throwing bullet, wherein the throwing bullet can be arranged in a throwing pipe in the middle of the throwing device body; the bottom of the casting tube is provided with a firing assembly for casting the casting warhead; the inflation assembly is connected with the firing assembly through an air channel. The small compressed gas bottle is arranged at the tail part of the catapult body, and compressed gas in the small compressed gas bottle can be inflated to the gas storage chamber by the inflation assembly; during the use, will bind the throwing warhead that has the rope and place in the projectile tube in projectile body middle part, can with the help of the leading-in projectile tube of firing subassembly of projectile tube bottom with high-pressure gas in the gas storage chamber, the high-pressure gas who gets into the projectile tube rapidly throws away the throwing warhead, realizes the purpose of accurate throwing.
Description
Technical Field
The utility model relates to the technical field of fire rescue facilities, in particular to a portable life-saving throwing device.
Background
The lifesaving throwing device is a rescue device commonly used in the field of fire fighting, and mainly used for carrying out fire fighting rescue. When flood disasters occur, people may be trapped in an island, rescue workers cannot approach the island due to water flow turbulence, only the life-saving thrower can be used, a throwing head tied with a thin rope is shot to the position near the trapped people through high-pressure gas, the trapped people are matched with fire rescue workers to build a life-saving rope bridge, and the fire rescue workers cross to the trapped people through the rope bridge to complete rescue work.
The lifesaving throwing device that present fire control was used commonly, it is bulky, weight is heavy, still need carry a great high-pressure gas bomb during the use, simultaneously, this throwing device operates comparatively complicacy when using, and the range is also nearer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a portable life-saving throwing device which is small and exquisite in size, light and convenient to use and can finish long-distance throwing, aiming at the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a portable lifesaving throwing device comprises a throwing device body, a small compressed gas cylinder and a throwing bullet which can be connected with a rope, wherein the throwing bullet can be arranged in a throwing pipe in the middle of the throwing device body, a gas storage chamber is arranged in an interlayer of the side wall of the throwing device body, and an inflation assembly which can be connected with the small compressed gas cylinder is arranged at the rear part of the throwing device body and is used for inflating the gas storage chamber; the bottom of the throwing pipe is provided with a triggering assembly for triggering the throwing bullet, and the triggering assembly is used for guiding high-pressure gas in the gas storage chamber into the throwing pipe and throwing the throwing bullet in the throwing pipe out; the inflation assembly is connected with the firing assembly through an air channel.
Preferably, the inflation assembly comprises a needle valve and an inflation valve, the rear part of the ejector body is provided with a connector matched with the opening of the small compressed gas cylinder, the needle valve is arranged at the bottom of the connector, and the tip end of the needle valve faces the open end of the connector and is used for piercing the opening of the small compressed gas cylinder; the bottom of interface is equipped with sealed the pad, sealed pad suit is on the needle valve, just the hole of needle valve passes through air flue and gas receiver intercommunication. The ejector body is provided with a threaded hole in threaded fit with the inflation valve, and the upper part of the inflation valve is provided with a sealing ring for sealing fit with an orifice of the threaded hole; the lower part of the threaded hole is communicated with the air passage.
Preferably, the firing assembly comprises an ejection element, an air release valve and a trigger, the lower part of the ejector body is provided with a handle, the air release valve is arranged in the handle, the trigger is connected with the air release valve, and the trigger is arranged on the front side of the handle at the junction of the trigger and the ejector body; a transition cavity is arranged between the bottom of the ejection pipe and the air storage chamber, the ejection element is arranged in the transition cavity, and high-pressure gas in the transition cavity can enter the air storage chamber along the edge of the back face of the rubber cup of the ejection element; the air escape valve is communicated with the transition cavity through an air passage.
Preferably, the ejection element comprises a rubber cup and a first spring, an open end of the rubber cup faces the throwing bullet and the air storage chamber, and a boss for plugging an opening at the bottom of the ejection pipe is arranged in the middle of the open end of the rubber cup; the back of the rubber packing cup is connected with a first spring, and the other end of the first spring is connected with the side wall of the transition cavity at the bottom of the projecting pipe.
Preferably, the air storage chamber is an annular cavity arranged around the ejector pipe, and an opening at the bottom of the ejector pipe is communicated with the bottom of the air storage chamber at the opening end of the rubber cup.
Preferably, the bottom of the transition cavity is provided with a mounting groove for accommodating a first spring; the handle is provided with a mounting hole for accommodating the air escape valve, and the mounting hole are communicated through an air passage.
Preferably, the air release valve comprises an air valve core and a second spring, one end of the air valve core is connected with the trigger, and the other end of the air valve core is connected with the second spring; the mounting hole is a stepped hole, the two ends of the mounting hole are straight hole sections, the middle of the mounting hole is a taper hole section with a small outer part and a large inner part, the gas valve core is a cone matched with the taper hole section, the second spring is arranged on the inner straight hole section, and the bottom of the inner straight hole section is communicated with the air passage.
Preferably, the outer wall of the catapult body is provided with a pressure gauge for detecting the air pressure in the air storage chamber.
Preferably, the gas in the small compressed gas cylinder is compressed carbon dioxide.
Preferably, the outer wall of the throwing bullet is provided with a clamping groove for fixing a rope, and the clamping groove is arranged around the longitudinal section of the throwing bullet.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the small compressed gas bottle is arranged at the tail part of the catapult body, and compressed gas in the small compressed gas bottle can be inflated to the gas storage chamber by using the inflation assembly; during the use, will bind the throwing warhead that has the rope and place in the projectile tube in projectile body middle part, can with the help of the leading-in projectile tube of firing subassembly of projectile tube bottom with high-pressure gas in the gas storage chamber, the high-pressure gas who gets into the projectile tube rapidly throws away the throwing warhead, realizes the purpose of accurate throwing. The utility model has the advantages of small volume, light weight and convenient and quick operation, and can accurately finish remote throwing.
Drawings
Fig. 1 is a schematic structural diagram of a portable life-saving throwing device provided by the embodiment of the utility model;
FIG. 2 is a schematic structural view of the rubber cup of FIG. 1;
fig. 3 is a schematic view of the portable life-saving throwing apparatus of fig. 1 in an inflated state;
figure 4 is a schematic diagram of the portable life-saving throwing apparatus of figure 1 in a throwing state;
fig. 5 is an external view of the projectile bullet of fig. 1;
in the figure: 1-a catapult body, 2-a small compressed gas cylinder, 3-a catapult bullet and 30-a clamping groove; 4-a projectile tube and 5-an air storage chamber; 6-needle valve, 7-inflation valve, 8-connector, 9-sealing pad, 10-air passage, 11-inflation passage, 12-air inlet passage and 13-air outlet passage; 14-a sealing ring, 15-an ejection element, 150-a boss, 151-a rubber cup and 152-a first spring; 16-air release valve, 161-air valve core, 162-second spring; 17-trigger, 18-handle, 19-transition cavity, 20-mounting groove, 21-mounting hole and 22-pressure gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1, the portable life-saving throwing device provided by the utility model comprises a throwing device body 1, a small compressed gas cylinder 2 and a throwing bullet 3 which can be connected with a rope, wherein the throwing bullet 3 can be arranged in a throwing pipe 4 in the middle of the throwing device body 1, an air storage chamber 5 is arranged in a side wall interlayer of the throwing device body 1, and an inflation assembly which can be connected with the small compressed gas cylinder 2 is arranged at the rear part of the throwing device body 1 and is used for inflating the air storage chamber 5; the bottom of the ejection pipe 4 is provided with a triggering assembly for triggering the ejection bullet 3, and the triggering assembly is used for guiding high-pressure gas in the gas storage chamber 5 into the ejection pipe 4 and ejecting the ejection bullet 3 in the ejection pipe 4; the inflation assembly is connected with the firing assembly through an air passage 10. During the use, will bind the throwing warhead that has the rope and place in the projectile body the projection pipe in middle part, can fill compressed gas in the small-size compressed gas cylinder into the gas storage chamber with the help of the gas charging assembly, utilize the trigger subassembly can be with the leading-in projectile pipe of high-pressure gas in the gas storage chamber, throw the warhead with the help of the high-pressure gas who gets into the projectile pipe rapidly and throw away, realize the purpose of long-range throwing rope, make things convenient for fire rescue or marine rescue.
In a specific embodiment of the utility model, as shown in fig. 1, 3 and 4, the inflation assembly comprises a needle valve 6 and an inflation valve 7, the rear part of the ejector body 1 is provided with a connector 8 for matching with the mouth of the small compressed gas cylinder 2, the needle valve 6 is arranged at the bottom of the connector 8, and the tip end of the needle valve is arranged towards the open end of the connector 8 and is used for puncturing the mouth of the small compressed gas cylinder 2; the bottom of interface 8 is equipped with sealed pad 9, sealed pad 9 suit is on needle valve 6, just the hole of needle valve 6 passes through air flue 10 and reservoir 5 intercommunication. When in use, the projectile bullet is tied with a rope and then is put into the projectile tube from the front end of the projectile body; then the mouth of the small compressed gas cylinder is inserted into the interface, the needle valve is utilized to puncture the mouth of the small compressed gas cylinder, and the high-pressure compressed gas in the small compressed gas cylinder enters the air passage. When the sealing switch is in a closed state, high-pressure gas cannot enter the internal gas storage chamber; when the inflation valve is opened, high-pressure gas enters the gas storage chamber through the gas channel and the edge of the rubber cup of the firing assembly.
During specific manufacturing, as shown in fig. 1, 3 and 4, the inflation valve 7 is a cylindrical rod body with an external thread in the middle, a nut is arranged at the top of the inflation valve, a threaded hole in threaded fit with the inflation valve 7 is formed in the ejector body 1, and a sealing ring 14 is arranged at the upper part of the inflation valve 7 and used for being in sealing fit with an opening of the threaded hole; the lower part of the threaded hole is communicated with the air charging passage 11 of the air passage 10, and the bottom and the side wall of the threaded hole are respectively communicated with the inlet and the outlet of the air charging passage. In order to ensure that the inflation valve 7 tightly seals the inflation channel 11, a sealing gasket 9 can be arranged at the bottom of the inflation valve 7. In addition, the inner wall of the connector 8 is in threaded fit with the opening of the small compressed gas cylinder 2, so that the small compressed gas cylinder can be firmly installed on the premise of convenient assembly and disassembly.
In one embodiment of the present invention, as shown in fig. 1-3, the firing assembly comprises an ejection element 15, an air release valve 16 and a trigger 17, the lower portion of the ejector body 1 is provided with a handle 18, the air release valve 16 is arranged inside the handle 18, the trigger 17 is connected with the air release valve 16, the trigger 17 is arranged at the front side of the handle 18 at the interface with the ejector body 1; a transition cavity 19 is arranged between the bottom of the ejection tube 4 and the air storage chamber 5, the ejection element 15 is arranged in the transition cavity 19, and high-pressure gas in the transition cavity 19 can enter the air storage chamber 5 along the edge of the back of the rubber cup 151 of the ejection element 15; the air release valve 16 is communicated with the transition cavity 19 through the air passage 10.
As a preferred structure, as shown in fig. 1 and 2, the ejection element 15 includes a rubber cup 151 and a first spring 152, an open end of the rubber cup 151 faces the projectile bullet 3 and the air storage chamber 5, a boss 150 for plugging an opening at the bottom of the projectile tube 4 is disposed in the middle of the open end of the rubber cup 151, a taper is disposed outside the rubber cup, a small-diameter end of the rubber cup faces the transition cavity, and a large-diameter end of the rubber cup faces the air storage chamber and abuts against a side wall of the air storage chamber; the back of the rubber cup 151 is connected with a first spring 152, and the other end of the first spring 152 is connected with the side wall of the transition cavity 19 at the bottom of the ejection tube 4. Wherein, the rubber cup and the inner wall of the gas storage chamber are in an unsealed state, and high-pressure gas can enter the gas storage chamber. The rubber packing cup has one-way sealing performance, high-pressure gas on the left side of the rubber packing cup cannot be led to the right side of the rubber packing cup, the rubber packing cup can only be pushed to the right, the gas storage chamber is communicated with the space of the ejection pipe at the moment, and a large amount of high-pressure gas can act on the ejection bullet in a short time and eject the bullet.
As a preferred structure, the air storage chamber 5 is an annular cavity arranged around the projecting pipe 4, and the bottom opening of the projecting pipe 4 and the bottom of the air storage chamber 5 can be communicated at the open end of the rubber cup 151. With this structure, the capacity of the high-pressure gas can be increased.
The aeration process is as follows: the small compressed gas cylinder is arranged at the joint in advance, the inflation valve is opened, the needle valve punctures the bottle mouth of the small compressed gas cylinder, high-pressure gas can enter the air passage and then enters the gas storage chamber through the edge of the rubber cup, as shown in figure 3, and the arrow in figure 3 shows the flow direction of the high-pressure gas. In the inflation process, pressure difference exists about the rubber packing cup, the rubber packing cup is firmly pressed at the bottom of the projection pipe, the projection pipe is sealed by the boss, and high-pressure gas is prevented from directly overflowing from the projection pipe.
In the specific manufacturing process, as shown in fig. 2 to 5, the bottom of the transition cavity 19 is provided with a mounting groove 20 for accommodating the first spring 152; the handle 18 is provided with a mounting hole 21 for accommodating the air release valve 16, and the mounting groove 20 and the mounting hole 21 are communicated through the air passage 10. The transition cavity can be communicated with the air escape valve and the needle valve by utilizing the air passage, so that the air storage chamber can be conveniently inflated and the air escape valve can be conveniently deflated.
In one embodiment of the present invention, as shown in fig. 2-5, the release valve 16 comprises a gas valve core 161 and a second spring 162, wherein one end of the gas valve core 161 is connected with the trigger 17, and the other end is connected with the second spring 162; the mounting hole 21 is a stepped hole, two ends of the mounting hole 21 are straight hole sections, the middle part of the mounting hole 21 is a tapered hole section with a small outer part and a large inner part, the air valve core 161 is a cone matched with the tapered hole section, and the mounting hole can be sealed by the air valve core; the second spring 162 is disposed on the inner straight hole section, and the bottom of the inner straight hole section is partially communicated with the air release channel 13 of the air channel 10. By pressing the trigger, the air valve core can be pushed inwards to compress the second spring, and high-pressure air in the air channel can be exhausted through the mounting hole, as shown in fig. 4. In fig. 4, arrows indicate gas flow, hollow arrows indicate movement and force direction of the rubber cup, and solid thick arrows indicate movement direction of the projectile bullet.
As shown in fig. 1, the air passage 10 includes a charge air passage 11, an intake passage 12, and a discharge air passage 13. When in inflation, the inflation valve is opened, the needle valve punctures the mouth of the small compressed gas bottle, and the internal compressed high-pressure gas can enter the gas storage chamber 5 through the inflation channel 11, the gas inlet channel 12 and the transition cavity 19; when the rope needs to be thrown, the inflation valve 7 is screwed downwards to plug the inflation channel 11, high-pressure gas in the transition cavity 19, the air inlet channel 12 and the air leakage channel 13 is rapidly discharged from the mounting hole 21 by pressing the trigger 17, the high-pressure gas in the air storage chamber 5 can push the rubber cup 151, and the high-pressure gas is rapidly filled into the throwing pipe, so that the throwing bullet can be rapidly thrown out from the throwing pipe.
Further optimizing the technical scheme, as shown in fig. 2, a pressure gauge 22 for detecting the air pressure in the air storage chamber 5 is arranged on the outer wall of the catapult body 1. The pressure value of the gas in the gas storage chamber can be visually observed by utilizing the pressure gauge, and the filling amount of the high-pressure gas can be conveniently controlled. When the pressure reaches the designed value, the trigger can be pulled to deflate, and the throwing of the throwing bullet is realized.
During specific manufacturing, the gas in the small compressed gas cylinder 2 is compressed carbon dioxide. Of course, other compressed gases may be used.
In order to ensure that the throwing bullet can be smoothly arranged in the casting pipe after being bound with a rope conveniently, as shown in fig. 5, a clamping groove 30 for fixing the rope is arranged on the outer wall of the throwing bullet 3, and the clamping groove 30 is arranged around the longitudinal section of the throwing bullet 3. When the throwing bullet is manufactured in detail, the throwing bullet adopts a solid metal cylinder with a conical front end, so that the resistance borne by the throwing bullet in the flying process can be reduced due to the fact that the wealth is coming and going; a circle of closed clamping groove is formed in the side face of the throwing bullet, and a rope is firmly tied in the clamping groove. Due to the existence of the clamping groove, even if the rope is tied, the throwing bullet can be smoothly put into the throwing pipe.
When the small-sized compressed gas cylinder is used, the small-sized compressed gas cylinder filled with compressed carbon dioxide is inserted into the tail connector of the catapult, the needle valve is utilized to puncture the bottle opening, the inflation valve is unscrewed for inflation, and when the pressure in the gas storage chamber reaches the required pressure, the inflation valve is closed. After the throwing device is inflated, the rope is tied to the throwing bullet, the throwing pipe is placed in front of the throwing device, the throwing device is aligned to the place to be thrown, and the trigger is pressed to throw and shoot. Because the throwing bullet is tied with the rope, after the throwing bullet is thrown to the trapped person, the trapped person can pull the rope, the main rope for rescue is pulled to the trapped point, and the rope is matched with the fire rescue personnel to build a rope bridge.
Compared with the prior art, the portable lifesaving throwing device provided by the utility model has the advantages of simple and compact structure and easiness and convenience in use, the small-sized compressed gas cylinder is utilized to inflate the gas storage chamber, the gas passage is deflated by virtue of the air escape valve, high-pressure gas in the gas storage chamber can reversely push the rubber cup, the high-pressure gas quickly gushes into the throwing pipe, and the throwing bullet is applied with an impact force pushing forwards and can be quickly thrown out of the throwing pipe; the throwing bullet drives the rope to be thrown out, so that the rope can be smoothly thrown to a required place, and trapped people can be conveniently rescued in the subsequent process.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A portable life-saving throwing device is characterized in that: the throwing catapult comprises a catapult body, a small compressed gas cylinder and a throwing catapult head which can be connected with a rope, wherein the throwing catapult head can be arranged in a throwing pipe in the middle of the catapult body, a gas storage chamber is arranged in an interlayer of the side wall of the catapult body, and an inflation assembly which can be connected with the small compressed gas cylinder is arranged at the rear part of the catapult body and is used for inflating the gas storage chamber; the bottom of the throwing pipe is provided with a triggering assembly for triggering the throwing bullet, and the triggering assembly is used for guiding high-pressure gas in the gas storage chamber into the throwing pipe and throwing the throwing bullet in the throwing pipe out; the inflation assembly is connected with the firing assembly through an air channel.
2. The portable life-saving throwing machine of claim 1 wherein: the ejector comprises a ejector body, a small compressed gas cylinder and an inflation assembly, wherein the inflation assembly comprises a needle valve and an inflation valve, the rear part of the ejector body is provided with a connector matched with the opening of the small compressed gas cylinder, the needle valve is arranged at the bottom of the connector, and the tip end of the needle valve is arranged towards the open end of the connector and is used for piercing the opening of the small compressed gas cylinder; the bottom of the connector is provided with a sealing gasket which is sleeved on the needle valve, and an inner hole of the needle valve is communicated with the air storage chamber through an air passage; and the inflation valve is arranged on the air passage at the tail end of the needle valve and is used for cutting off or communicating the air passage.
3. A portable life-saving throwing apparatus as defined in claim 2 wherein: the trigger assembly comprises an ejection element, an air release valve and a trigger, the lower part of the ejector body is provided with a handle, the air release valve is arranged in the handle, the trigger is connected with the air release valve, and the trigger is arranged on the front side of the handle at the junction of the trigger and the ejector body; a transition cavity is arranged between the bottom of the ejection pipe and the air storage chamber, the ejection element is arranged in the transition cavity, and high-pressure gas in the transition cavity can enter the air storage chamber along the edge of the back face of the rubber cup of the ejection element; the air escape valve is communicated with the transition cavity through an air passage.
4. A portable life-saving throwing apparatus according to claim 3 wherein: the ejection element comprises a rubber cup and a first spring, the open end of the rubber cup faces the throwing bullet and the air storage chamber, and a boss for plugging an opening at the bottom of the throwing pipe is arranged in the middle of the open end of the rubber cup; the back of the rubber packing cup is connected with a first spring, and the other end of the first spring is connected with the side wall of the transition cavity at the bottom of the projecting pipe.
5. The portable life-saving throwing apparatus of claim 4 wherein: the air storage chamber is an annular cavity arranged on the periphery of the projection pipe, and an opening at the bottom of the projection pipe is communicated with the bottom of the air storage chamber at the opening end of the rubber leather cup.
6. The portable life-saving throwing apparatus of claim 4 wherein: the bottom of the transition cavity is provided with a mounting groove for accommodating a first spring; the handle is provided with a mounting hole for accommodating the air escape valve, and the mounting hole are communicated through an air passage.
7. The portable life-saving throwing apparatus of claim 6 wherein: the air release valve comprises an air valve core and a second spring, wherein one end of the air valve core is connected with the trigger, and the other end of the air valve core is connected with the second spring; the mounting hole is a stepped hole, the two ends of the mounting hole are straight hole sections, the middle of the mounting hole is a taper hole section with a small outer part and a large inner part, the gas valve core is a cone matched with the taper hole section, the second spring is arranged on the inner straight hole section, and the bottom of the inner straight hole section is communicated with the air passage.
8. The portable life-saving throwing machine of claim 1 wherein: and a pressure gauge for detecting the air pressure in the air storage chamber is arranged on the outer wall of the catapult body.
9. The portable life-saving throwing machine of claim 1 wherein: the gas in the small compressed gas cylinder is compressed carbon dioxide.
10. A portable life-saving throwing apparatus as defined in any one of claims 1 to 9 wherein: the outer wall of the throwing bullet is provided with a clamping groove for fixing a rope, and the clamping groove is arranged around the longitudinal section of the throwing bullet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121650620.1U CN215399270U (en) | 2021-07-20 | 2021-07-20 | Portable life-saving throwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121650620.1U CN215399270U (en) | 2021-07-20 | 2021-07-20 | Portable life-saving throwing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215399270U true CN215399270U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121650620.1U Expired - Fee Related CN215399270U (en) | 2021-07-20 | 2021-07-20 | Portable life-saving throwing device |
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| Country | Link |
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| CN (1) | CN215399270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114715359A (en) * | 2022-05-07 | 2022-07-08 | 南京理工大学泰州科技学院 | Throwing type water rescue life saving device |
-
2021
- 2021-07-20 CN CN202121650620.1U patent/CN215399270U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114715359A (en) * | 2022-05-07 | 2022-07-08 | 南京理工大学泰州科技学院 | Throwing type water rescue life saving device |
| CN114715359B (en) * | 2022-05-07 | 2024-02-13 | 南京理工大学泰州科技学院 | Throw type water rescue life-saving device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |