A marine rescue throwing device

Abstract

The present invention provides a marine rescue thrower, which relates to the field of throwers and comprises: a placement base, a sliding seat being slidably connected to a top end surface of the placement base, a driving motor being installed in a rear side wall of the placement base, a gas cylinder bracket being hingedly connected to the top left side of the placement base, a gas supply cylinder being placed in the gas cylinder bracket, a connecting sleeve cap being connected to the top of the gas cylinder bracket, a holding rod being connected to the front side of an outer wall of the connecting sleeve cap, a launching joint being plugged into the top of the connecting sleeve cap, a clamping nut being threadedly connected to the top of the launching joint, a launching tube being plugged into the clamping seat at the top of the launching joint, and the clamping seat being forced to clamp the bottom of the launching tube by rotating the clamping nut, thereby improving the connection firmness of the launching tube, realizing the interchangeable use of multiple launching tubes of the thrower, improving the ability of the thrower to throw different objects, and solving the problems that the thrower structure cannot be universal and the risk of accidental touch is high.

Description

Technical Field

[0001] The present invention relates to the technical field of throwers, in particular to a marine rescue thrower. Background Art

[0002] A thrower is a rescue device that uses compressed air as power to throw ropes, lifebuoys, anchor hooks, etc. to the target. It launches various types of throwable objects according to different mission requirements. It is mainly used for offshore mooring, personnel rescue, supply, berthing and other marine operations and emergency rescue tasks. However, in actual use, the thrower has shown some shortcomings.

[0003] Based on the above, the existing rescue throwing device has the following shortcomings:

[0004] 1. Due to the special structure of the thrower, the structure of the thrower is not universal, so it cannot be used with different types of launch tubes, which limits the use of the thrower and makes it less applicable.

[0005] 2. It is inconvenient to disassemble the thrower, so it is not convenient to replace the gas cylinder of the thrower. In addition, the gas cylinder is not protected, which can easily cause damage to the gas cylinder and cause gas shortage, thus affecting the normal use of the thrower.

[0006] 3. Most throwers have a handle-type launching structure. Even if a safety is provided, it is very easy to accidentally touch the trigger when picking it up, which poses a great safety hazard. Summary of the Invention

[0007] In view of this, the present invention provides a marine rescue thrower, which forms a locking mechanism through a fixing part and a locking part, which facilitates the connection between the connecting sleeve cap and the gas cylinder bracket, improves the convenience of replacing the gas supply cylinder, and thus improves the continuous throwing ability of the thrower, and the pressing rod slidably connected in the pressing guide sleeve needs to be pressed by a cylindrical object such as a guide rod. When the pressing rod is pressed, the pressing rod will push the blocking block to slide, so that high-pressure gas is ejected from the gas supply cylinder, realizing the design that the guide rod and the pressing rod cooperate to start the thrower, which can effectively prevent the occurrence of accidental launches and improve the safety of the use of the marine rescue thrower.

[0008] The present invention provides a marine rescue thrower, which specifically includes: a placement base, wherein two anti-slip bottom pads are symmetrically arranged at the bottom of the placement base, the cylindrical protrusions on the top of the anti-slip bottom pads are inserted into the bottom end surface of the placement base, the top end surface of the placement base is slidably connected with a sliding seat, a driving motor is installed in the rear side wall of the placement base, a gas cylinder bracket is hingedly connected to the top left side of the placement base, a gas supply cylinder is placed in the gas cylinder bracket, a connecting cap is connected to the top of the gas cylinder bracket, a holding rod is connected to the front side of the outer wall of the connecting cap, a launching joint is inserted into the top of the connecting cap, a clamping nut is threadedly connected to the top of the launching joint, and a launching tube is inserted into the clamping nut.

[0009] Furthermore, a long I-shaped groove is opened on the rear side of the top end surface of the placing base, a sliding seat is slidably connected in the I-shaped groove, a control screw connected to the front end of the driving shaft of the driving motor is rotatably connected to the middle of the I-shaped groove, the sliding seat is threadedly connected to the control screw, and a hinged seat is provided on the front side of the top end surface of the placing base.

[0010] Furthermore, hinged joints are provided at the bottom and the middle of the rear side wall of the gas cylinder holder. The hinged joint at the bottom of the gas cylinder holder is connected to the hinged seat on which the base is placed. The hinged joint in the middle of the rear side wall of the gas cylinder holder is connected to the sliding seat through a connecting rod. Four locking parts are provided in a circular array on the top outer wall of the gas cylinder holder.

[0011] Furthermore, a joint is provided on the top of the gas supply bottle, an air outlet is provided on the top of the joint, a pressing port is provided on the front side of the joint, a sealing block is slidably connected inside the joint, the sealing block is blocked between the air outlet and the connecting hole of the gas supply bottle, and a sealing spring is provided on the rear side of the sealing block.

[0012] Furthermore, the connecting cap is in the shape of a bullet head, and four fixing parts are arranged in a circular array on the outer wall of the bottom of the connecting cap. The fixing parts and the locking parts on the outer side of the top of the gas cylinder bracket constitute a complete locking mechanism. A pressing guide sleeve is provided in the middle of the front side wall of the connecting cap. The pressing guide sleeve is hollow, and a pressing rod is slidably connected to the inside of the pressing guide sleeve. A pressing return spring is sleeved on the outer wall of the rear side of the pressing rod. The rear end of the pressing rod is in contact with the front end of the blocking block, and interconnected fixing sockets are provided on the top of the front and rear side walls of the connecting cap.

[0013] Furthermore, a fixing sleeve is provided on the top of the rear side wall of the holding rod, and the fixing sleeve is sleeved in the middle of the outer side wall of the connecting sleeve cap. A through hole is provided at the bottom of the front and rear side walls of the holding rod, and a limiting ring is provided on the rear side wall of the holding rod corresponding to the through hole. A threaded connecting sleeve is sleeved on the outer side of the limiting ring, and the rear side of the threaded connecting sleeve is threadedly connected to the front side of the pressing guide sleeve of the connecting sleeve cap. A guide rod is slidably connected in the through hole, and the rear end of the guide rod is in contact with the front end of the pressing rod.

[0014] Furthermore, a connecting tube is provided at the bottom of the launch joint, and the bottom of the connecting tube is plugged into the gas outlet at the top of the gas supply bottle. Two fixing holes are symmetrically opened in the middle of the front and rear side walls of the launch joint, and the fixing holes correspond to the fixing sockets opened on the connecting sleeve cap, and fixing pins are inserted into the fixing holes and the fixing sockets.

[0015] Furthermore, a clamping seat is placed in the top end face of the launch joint, the inner side wall of the top of the launch joint is threadedly connected to the outer side wall of the bottom of the clamping nut, the bottom of the clamping nut is clamped on the top of the clamping seat, and the bottom of the launch tube is inserted into the clamping seat and passes through the clamping nut.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The locking mechanism composed of a fixing part and a locking part facilitates the connection between the connecting cap and the gas cylinder bracket, improving the convenience of replacing the gas supply cylinder and the ability of the thrower to continuously throw. The pressing rod that is slidably connected in the pressing guide sleeve needs to be pressed by a cylindrical object such as a guide rod. When the pressing rod is pressed, the pressing rod will push the blocking block to slide, causing high-pressure gas to be ejected from the gas supply cylinder. This realizes the design that the guide rod and the pressing rod must cooperate to start the thrower, which can effectively prevent the occurrence of accidental launches and improve the safety of the use of the marine rescue thrower. 2. The holding rod is fixed to the front side wall of the connecting cap by a fixing sleeve and a threaded connecting sleeve, thereby improving the convenience of taking the connecting cap.

[0018] 3. By plugging the launch connector into the top of the connecting cap, aligning the fixing hole with the fixing socket, and then fixing the connection through the fixing pin, the connecting pipe at the bottom of the launch connector is firmly connected to the gas outlet at the top of the gas supply bottle to prevent gas leakage. The launch tube is plugged into the clamping seat at the top of the launch connector, and the clamping seat is forced to clamp the bottom of the launch tube by turning the clamping nut, thereby improving the connection firmness of the launch tube, realizing the interchangeable use of multiple launch tubes of the thrower, and improving the ability of the thrower to throw different objects.

[0019] 4. The anti-slip pad set at the bottom of the base improves the stability of the base and prevents the thrower from tilting during use. The blocking block in the gas supply cylinder joint in the gas cylinder bracket requires the cooperation of the guide rod and the pressing rod to make the blocking block slide, thereby realizing high-pressure gas supply and improving the control of the safe use of the gas supply cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments are briefly introduced below.

[0021] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0022] In the attached figure:

[0023] Figure 1 1 is a schematic diagram of the overall right front axial structure of the thrower according to an embodiment of the present invention.

[0024] Figure 2 It is a schematic diagram of the overall disassembled structure of the thrower according to an embodiment of the present invention.

[0025] Figure 3 It is a schematic cross-sectional view of the placement base, gas cylinder bracket, and connecting sleeve cap of the thrower according to an embodiment of the present invention.

[0026] Figure 4 It is a schematic diagram of the connection structure between the placement base of the thrower and the gas cylinder bracket in an embodiment of the present invention.

[0027] Figure 5 It is a schematic cross-sectional structural diagram of a placement base of a thrower according to an embodiment of the present invention.

[0028] Figure 6 The present invention is a schematic diagram of the connection structure between the connecting cap and the launching joint of the throwing device according to the embodiment of the present invention.

[0029] Figure 7 It is a schematic cross-sectional view of the connecting cap and the holding rod of the thrower according to an embodiment of the present invention.

[0030] Figure 8 It is a schematic cross-sectional view of the connecting cap and launching joint of the thrower according to an embodiment of the present invention.

[0031] Reference Signs List

[0032] 1. Placement base; 101. I-shaped slot; 102. Articulated seat; 2. Anti-slip bottom pad; 3. Gas cylinder bracket; 301. Articulated joint; 302. Locking fastener; 4. Gas supply cylinder; 401. Gas outlet; 402. Pressing port; 5. Blocking block; 501. Blocking spring; 6. Sliding seat; 7. Connecting rod; 8. Drive motor; 801. Control screw; 9. Connecting cap; 901. Pressing guide sleeve; 902 , fixing part; 903, fixing socket; 10, pressing rod; 1001, pressing return spring; 11, holding rod; 1101, fixing sleeve; 1102, through hole; 1103, limiting ring; 12, threaded connection sleeve; 13, guide rod; 14, fixing pin; 15, launching joint; 1501, fixing hole; 1502, connecting pipe; 16, clamping seat; 17, clamping nut; 18, launching tube. DETAILED DESCRIPTION

[0033] To make the objectives, technical solutions, and advantages of the present invention more apparent, the following will fully describe the detailed scheme of the embodiments of the present invention in conjunction with the accompanying drawings of specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the common meanings in the art. The same reference numerals in the drawings represent the same components.

[0034] Example: Please refer to Figures 1 to 8 As shown:

[0035] The present invention provides a marine rescue thrower, comprising a placement base 1, wherein two anti-skid bottom pads 2 are symmetrically arranged at the bottom of the placement base 1, the cylindrical protrusions on the top of the anti-skid bottom pads 2 are inserted into the bottom end surface of the placement base 1, a sliding seat 6 is slidably connected to the top end surface of the placement base 1, a driving motor 8 is installed in the rear side wall of the placement base 1, a gas cylinder bracket 3 is hingedly connected to the top left of the placement base 1, a gas supply bottle 4 is placed in the gas cylinder bracket 3, a joint is provided on the top of the gas supply bottle 4, an air outlet 401 is provided on the top of the joint, a pressing port 402 is provided on the front side of the joint, a blocking block 5 is slidably connected to the inside of the joint, the blocking block 5 is blocked between the air outlet 401 and the connecting hole of the gas supply bottle 4, and the blocking block 5 A blocking spring 501 is provided on the rear side, a connecting cap 9 is connected to the top of the gas cylinder bracket 3, a holding rod 11 is connected to the front side of the outer wall of the connecting cap 9, a launching joint 15 is plugged into the top of the connecting cap 9, a clamping nut 17 is threadedly connected to the top of the launching joint 15, and a launching tube 18 is plugged into the clamping nut 17. The specific function is to improve the stability of the placing base 1 when it is placed by providing an anti-slip bottom pad 2 at the bottom of the placing base 1, to prevent the thrower from tilting during use, and the blocking block 5 in the joint of the gas supply bottle 4 in the gas cylinder bracket 3 requires the cooperation of the guide rod 13 and the pressing rod 10 to make the blocking block 5 slide, so that the gas supply bottle 4 can supply high-pressure gas, thereby improving the control effect of the use of the gas supply bottle 4.

[0036] Among them, a long I-shaped groove 101 is opened on the rear side of the top end surface of the placement base 1, and a sliding seat 6 is slidably connected in the I-shaped groove 101. The control screw 801 connected to the front end of the driving shaft of the drive motor 8 is rotatably connected to the middle of the I-shaped groove 101. The sliding seat 6 is threadedly connected to the control screw 801. A hinge seat 102 is provided on the front side of the top end surface of the placement base 1. A hinge head 301 is provided at the bottom and the middle of the rear side wall of the gas cylinder bracket 3. The hinge head 301 at the bottom of the gas cylinder bracket 3 is connected to the hinge head 102 of the placement base 1. The hinge head 301 in the middle of the rear side wall of the gas cylinder bracket 3 is connected to the sliding seat 6 through a connecting rod 7. Four locking parts 302 are arranged in a circular array on the top outer wall of the gas cylinder holder 3. Their specific function is to drive the control screw 801 to rotate through the driving motor 8, so that the sliding seat 6 can be controlled to slide through the control screw 801, thereby adjusting the inclination angle of the gas cylinder holder 3 through the sliding seat 6 and the connecting rod 7 to control the throwing distance of the thrower, so as to better meet the use requirements of ship cables and maritime rescue, and the gas supply cylinder 4 can be protected by the gas cylinder holder 3, and the gas cylinder holder 3 is a universal structure, which is convenient for replacing the gas supply cylinder 4 in the gas cylinder holder 3, so that the thrower can be used continuously to meet emergency fundraising needs.

[0037] Among them, the connecting cap 9 is in the shape of a bullet head, and four fixing parts 902 are arranged in a circular array on the outer wall of the bottom of the connecting cap 9. The fixing parts 902 and the locking parts 302 on the outer side of the top of the gas cylinder bracket 3 constitute a complete locking mechanism. A pressing guide sleeve 901 is provided in the middle of the front side wall of the connecting cap 9. The pressing guide sleeve 901 is hollow. A pressing rod 10 is slidably connected to the inside of the pressing guide sleeve 901. A pressing return spring 1001 is sleeved on the outer wall of the rear side of the pressing rod 10. The rear end of the pressing rod 10 contacts the front end of the blocking block 5. The top of the front and rear side walls of the connecting cap 9 is provided with a communicating fixed socket 903 , specifically, the locking mechanism composed of the fixing part 902 and the locking part 302 facilitates the connection between the connecting sleeve cap 9 and the gas cylinder bracket 3, improves the convenience of replacing the gas supply cylinder 4, thereby improving the continuous use ability of the thrower, and the pressing rod 10 slidingly connected in the pressing guide sleeve 901 needs to be pressed by a cylindrical object such as a guide rod 13. When the pressing rod 10 is pressed, the pressing rod 10 will push the blocking block 5 to slide, so that the high-pressure gas is ejected from the gas supply cylinder 4, so that the thrower can be started through the cooperation of the guide rod 13 and the pressing rod 10, thereby preventing the occurrence of accidental launch and improving the safety of use.

[0038] Among them, a fixing sleeve 1101 is provided on the top of the rear side wall of the holding rod 11, and the fixing sleeve 1101 is sleeved in the middle of the outer wall of the connecting sleeve cap 9. A through hole 1102 is provided at the bottom of the front and rear side walls of the holding rod 11. A limiting ring 1103 is provided on the rear side wall of the holding rod 11 corresponding to the through hole 1102. A threaded connecting sleeve 12 is sleeved on the outer side of the limiting ring 1103. The rear side of the threaded connecting sleeve 12 is threadedly connected to the front side of the pressing guide sleeve 901 of the connecting sleeve cap 9. A guide rod 13 is slidably connected in the through hole 1102. The rear end of the guide rod 13 It contacts the front end of the pressing rod 10. Its specific function is to fix the holding rod 11 on the front side wall of the connecting sleeve cap 9 through the fixing sleeve 1101 and the threaded connecting sleeve 12, thereby improving the convenience of taking the connecting sleeve cap 9, and connecting the limiting ring 1103 corresponding to the through-hole 1102 with the pressing guide sleeve 901 through the threaded connecting sleeve 12, and then insert the detachable guide rod 13 into the through-hole 1102, so that the thrower is started by the cooperation of the guide rod 13 and the pressing rod 10, thereby improving the safety of the thrower and reducing accidental touch operations.

[0039] Among them, a connecting pipe 1502 is provided at the bottom of the launch connector 15, and the bottom of the connecting pipe 1502 is plugged into the gas outlet 401 at the top of the gas supply bottle 4. Two fixing holes 1501 are symmetrically opened in the middle of the front and rear side walls of the launch connector 15. The fixing holes 1501 correspond to the fixing sockets 903 opened in the connecting sleeve cap 9. The fixing holes 1501 and the fixing sockets 903 are plugged with fixing pins 14. A clamping seat 16 is placed on the top end surface of the launch connector 15. The inner side wall of the top of the launch connector 15 is threadedly connected to the outer side wall of the bottom of the clamping nut 17. The bottom of the clamping nut 17 is clamped on the top of the clamping seat 16. The bottom of the launch tube 18 is plugged into the clamping seat 16 and passes through the clamping nut 17. Function, by inserting the launching connector 15 into the top of the connecting sleeve cap 9, and aligning the fixing hole 1501 with the fixing socket 903, and then fixing the connection through the fixing pin 14, so that the connecting pipe 1502 at the bottom of the launching connector 15 is firmly connected to the gas outlet 401 at the top of the gas supply bottle 4 to prevent gas leakage, and then by inserting the launching tube 18 into the clamping seat 16 at the top of the launching connector 15, and then rotating the clamping nut 17, the clamping nut 17 forces the clamping seat 16 to clamp the bottom of the launching tube 18, thereby improving the connection firmness of the launching tube 18, so as to improve the convenience of using multiple launching tubes 18 interchangeably in the thrower, and facilitate improving the ability of the thrower to throw different objects.

[0040] Specific usage and function of this embodiment: In the present invention, first place the gas supply cylinder 4 into the gas cylinder holder 3, then place the connecting sleeve cap 9 on the top of the gas cylinder holder 3, and connect the connecting sleeve cap 9 to the gas cylinder holder 3 through the locking mechanism composed of the fixing piece 902 and the locking piece 302, thereby improving the convenience of replacing the gas supply cylinder 4, and then fix the holding rod 11 on the front side wall of the connecting sleeve cap 9 through the fixing sleeve 1101 and the threaded connecting sleeve 12, thereby improving the convenience of taking the connecting sleeve cap 9, and connect the limiting ring 1103 corresponding to the through-hole 1102 with the pressing guide sleeve 901 through the threaded connecting sleeve 12, and then insert the detachable guide rod 13 into the through-hole 1102, and then plug the launching joint 15 into the top of the connecting sleeve cap 9, and align the fixing hole 1501 with the fixing socket 903, and then fix it with the fixing pin 14, so that the connecting pipe 1502 at the bottom of the launching joint 15 is connected to the The gas outlet 401 at the top of the gas supply cylinder 4 is firmly connected to prevent gas leakage. Then, the launch tube 18 is plugged into the clamping seat 16 at the top of the launch connector 15, and then the clamping nut 17 is rotated. The clamping nut 17 forces the clamping seat 16 to clamp the bottom of the launch tube 18, thereby improving the connection firmness of the launch tube 18, so as to improve the convenience of interchangeable use of multiple launch tubes 18 of the thrower. The control screw 801 is driven to rotate by the drive motor 8, so that the sliding seat 6 is controlled to slide by the control screw 801, thereby adjusting the inclination angle of the gas cylinder bracket 3 through the sliding seat 6 and the connecting rod 7 to control the throwing distance of the thrower, and then pressing the guide rod 13. When the guide rod 13 presses the pressing rod 10, the pressing rod 10 will push the blocking block 5 to slide, so that the high-pressure gas is ejected from the gas supply cylinder 4, so that the thrower can be started by the cooperation of the guide rod 13 and the pressing rod 10 to prevent the occurrence of accidental firing.

[0041] Finally, it should be noted that when describing the positions of various components and the matching relationships between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such positions, matching relationships, etc. are also applicable to other components / other pairs of components.

[0042] The above description is merely an exemplary embodiment of the present invention and does not limit the scope of protection of the present invention. The scope of protection of the present invention is determined by the appended claims.

Claims

1. A marine rescue throwing device, comprising: A placement base (1), wherein two anti-skid pads (2) are symmetrically provided at the bottom of the placement base (1), a cylindrical protrusion on the top of the anti-skid pad (2) is inserted into the bottom end surface of the placement base (1), a sliding seat (6) is slidably connected in the top end surface of the placement base (1), a driving motor (8) is installed in the rear side wall of the placement base (1), a gas cylinder bracket (3) is hingedly connected to the top left of the placement base (1), a gas supply bottle (4) is placed in the gas cylinder bracket (3), a connecting cap (9) is connected to the top of the gas cylinder bracket (3), a holding rod (11) is connected to the front side of the outer wall of the connecting cap (9), a launch joint (15) is inserted into the top of the connecting cap (9), a clamping nut (17) is threadedly connected to the top of the launch joint (15), and a launch tube (18) is inserted into the clamping nut (17); The bottom and the middle of the rear side wall of the gas cylinder support (3) are both provided with hinge joints (301), the hinge joint (301) at the bottom of the gas cylinder support (3) is connected to the hinge seat (102) on which the base (1) is placed, the hinge joint (301) at the middle of the rear side wall of the gas cylinder support (3) is connected to the sliding seat (6) via a connecting rod (7), and four locking attachment fasteners (302) are provided in a circular array on the outer side wall of the top of the gas cylinder support (3); The connecting cap (9) is in the shape of a bullet head. Four fixing members (902) are arranged in a circular array on the outer side wall of the bottom of the connecting cap (9). The fixing members (902) and the locking member (302) on the outer side of the top of the gas cylinder bracket (3) form a complete locking mechanism. A pressing guide sleeve (901) is provided in the middle of the front side wall of the connecting cap (9). The pressing guide sleeve (901) is hollow. A pressing rod (10) is slidably connected inside the pressing guide sleeve (901). A pressing return spring (1001) is sleeved on the outer side wall of the rear side of the pressing rod (10). The rear end of the pressing rod (10) contacts the front end of the blocking block (5). The tops of the front and rear side walls of the connecting cap (9) are provided with interconnected fixing sockets (903). The bottom of the launch connector (15) is provided with a connecting pipe (1502), and the bottom of the connecting pipe (1502) is plugged into the gas outlet (401) at the top of the gas supply bottle (4). Two fixing holes (1501) are symmetrically provided in the middle of the front and rear side walls of the launch connector (15), and the fixing holes (1501) correspond to the fixing sockets (903) provided on the connecting cap (9). Fixing pins (14) are plugged into the fixing holes (1501) and the fixing sockets (903).

2. A marine rescue throwing device as claimed in claim 1, characterized in that: A long I-shaped groove (101) is provided on the rear side of the top end surface of the placement base (1), a sliding seat (6) is slidably connected in the I-shaped groove (101), a control screw (801) connected to the front end of the drive shaft of the drive motor (8) is rotatably connected to the middle of the I-shaped groove (101), the sliding seat (6) is threadedly connected to the control screw (801), and a hinge seat (102) is provided on the front side of the top end surface of the placement base (1).

3. A marine rescue throwing device as claimed in claim 1, characterized in that: The top of the gas supply bottle (4) is provided with a joint, the top of the joint is provided with an air outlet (401), the front side of the joint is provided with a pressing hole (402), the inside of the joint is slidably connected to a blocking block (5), the blocking block (5) is blocked between the air outlet (401) and the connecting hole of the gas supply bottle (4), and a blocking spring (501) is provided on the rear side of the blocking block (5).

4. A marine rescue throwing device as claimed in claim 1, characterized in that: A fixing sleeve (1101) is provided at the top of the rear side wall of the holding rod (11), and the fixing sleeve (1101) is sleeved on the middle of the outer side wall of the connecting sleeve cap (9). A through hole (1102) is provided at the bottom of the front and rear side walls of the holding rod (11), and a limiting ring (1103) is provided on the rear side wall of the holding rod (11) corresponding to the through hole (1102). A threaded connecting sleeve (12) is sleeved on the outer side of the limiting ring (1103), and the rear side of the threaded connecting sleeve (12) is threadedly connected to the front side of the pressing guide sleeve (901) of the connecting sleeve cap (9). A guide rod (13) is slidably connected in the through hole (1102), and the rear end of the guide rod (13) is in contact with the front end of the pressing rod (10).

5. The marine rescue throwing device according to claim 1, characterized in that: A clamping seat (16) is placed in the top end surface of the launch connector (15), the top inner wall of the launch connector (15) is threadedly connected to the bottom outer wall of the clamping nut (17), the bottom of the clamping nut (17) is clamped on the top of the clamping seat (16), and the bottom of the launch tube (18) is inserted into the clamping seat (16) and passes through the clamping nut (17).

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