Fire-fighting bomb throwing device

Abstract

The invention discloses a fire-fighting bomb throwing device which comprises an outer protective shell assembly, a pin pulling mechanism and a throwing mechanism, the pin pulling mechanism and the throwing mechanism are connected with each other, the pin pulling mechanism and the throwing mechanism are installed on the inner side of the outer protective shell assembly, and the pin pulling mechanism and the throwing mechanism are matched with each other to achieve automatic pin pulling and air throwing of a fire-fighting bomb safety pin. Pretreatment of throwing the fire-fighting bomb is omitted, the operation safety is improved, secondary disassembly of the fire-fighting bomb can be achieved without supplying power to the equipment, and the use convenience of the equipment is improved.

Description

Technical Field

[0001] The present application relates to unmanned aerial vehicles and application fields, and in particular to a fire-fighting bomb thrower. Background Art

[0002] With the rapid development of drone technology and the maturity of the market, drones have been widely used in firefighting, transportation, reconnaissance and other fields. In the field of firefighting, drones often use a mounted thrower to drop fire bombs to extinguish fires.

[0003] The existing throwers must be pre-processed when using fire bombs, that is, the safety pin of the fire bomb must be manually pulled out or the limiting tail of the safety pin must be manually cut off. The fire bombs that have undergone such pre-processing are in an unstable state, and if misoperated by personnel, the fire bombs may easily explode, causing danger to personnel.

[0004] For example, Chinese patent CN211663452U provides a fire-extinguishing bomb throwing device for drones, including a throwing tube, a release assembly (a servo-driven pull rod controls the release buckle), a guide groove and other structures, and the fire-extinguishing bomb is accurately dropped by the servo drive. Similar to this application, both use a servo-driven mechanical structure to achieve the throwing action, but do not involve the automatic pin removal and secondary disassembly function of the fire-extinguishing bomb safety pin.

[0005] In addition, after most throwers are loaded with fire bombs, the fire bombs that have been pulled out of the pin cannot be safely disassembled again without performing the throwing task. Even if the fire bomb at the tail of the safety pin is cut off, the equipment must be powered on before it can be disassembled, and it cannot be completely restored to the original fire bomb and can only be scrapped, causing waste. Summary of the invention

[0006] The purpose of the present invention is to provide a fire bomb throwing device to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A fire bomb throwing device comprises an outer protective shell assembly, a pin pulling mechanism and a throwing mechanism, wherein the pin pulling mechanism and the throwing mechanism are connected to each other and are installed on the inner side of the outer protective shell assembly, and the pin pulling mechanism and the throwing mechanism cooperate with each other to realize automatic pin pulling and secondary disassembly of the fire bomb safety pin.

[0009] Preferably, the outer protective shell assembly includes an upper cover plate, side plates, side plate connectors, and a lower cover plate.

[0010] Preferably, the side panels are connected by side panel connectors to form a hexahedral fence, and the upper cover plate and the lower cover plate are distributed above and below the hexahedral fence.

[0011] Preferably, the pin pulling mechanism includes an upper cover, a large steering gear bracket, an end cover, a draw hook spring, a fire bomb, a connecting rod, a draw hook, a crank, a large steering gear; a small steering gear bracket, and a cover plate.

[0012] Preferably, the large servo output shaft fixes one end of the crank, the other end of the crank is hinged to one end of a connecting rod, the other end of the connecting rod is a U-shaped through hole, the cylindrical end of the hook slides in the U-shaped through hole, and the end faces of the crank and the hook are installed with anti-detachment end covers.

[0013] Preferably, the large steering gear bracket contains a guide groove and a fire bomb mounting seat, the middle part of the draw hook slides in the guide groove and pulls the safety pin pull ring of the fire bomb, and the fire bomb is installed in the fire bomb mounting seat.

[0014] Preferably, one end of the draw hook spring is fixedly mounted on one side of the guide groove to provide a pre-tensioning force for the draw hook on the safety pin pull ring of the fire bomb to prevent the safety pin pull ring from loosening.

[0015] Preferably, the casting mechanism includes a guide barrel, a locking tongue, an adapter plate, an eccentric disk, a lever, a push rod, a small servo bracket, a spring cover, a small servo, a shield, and a locking tongue spring.

[0016] Preferably, the left side of the adapter plate is bonded to the guide barrel, and the right side is fixedly installed with a small servo gear bracket and a protective cover, a lock tongue is slidably installed in the small servo gear bracket, a lever is installed on the side of the lock tongue, a push rod is installed on the upper end, and the rear end contacts one end of the lock tongue spring, and the other end of the lock tongue spring is fixed by a spring cover.

[0017] Preferably, the output flange of the small servo is fixedly connected to the eccentric disk, the side of the eccentric disk is in contact with the lever, and the eccentric disk rotates to drive the locking tongue connected to the lever to slide back and forth, thereby achieving locking and unlocking and throwing of the fire bomb.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention discloses a fire bomb thrower, which is equipped with a pin puller and a throwing mechanism, thereby eliminating the need for pre-processing of the thrown fire bomb and improving the safety of operation. At the same time, it allows the operator to completely disassemble the fire bomb for a second time without powering the device, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the internal layout diagram of the present invention;

[0021] Figure 2 An exploded view of the outer protective shell assembly of the present invention;

[0022] Figure 3 It is a schematic diagram of the installation of the pin pulling mechanism and the throwing mechanism of the present invention;

[0023] Figure 4 It is the layout diagram of the pin pulling mechanism of the present invention;

[0024] Figure 5 It is an exploded diagram of the throwing mechanism of the present invention;

[0025] Figure 6 It is the layout diagram of the throwing mechanism of the present invention;

[0026] Figure 7 It is a cross-sectional view of the throwing mechanism of the present invention;

[0027] Figure 8 It is a schematic diagram of the lock tongue of the present invention;

[0028] Fig. 9 It is a schematic diagram of the eccentric disk of the present invention;

[0029] Fig.10 This is a schematic diagram of a large steering gear bracket of the present invention;

[0030] Fig.11 This is a diagram of the pin pulling mechanism of the present invention in a state where the pin is not pulled out;

[0031] Fig.12 The pin pulling mechanism of the present invention is completed in the pin pulling state diagram;

[0032] Fig.13 This is a diagram of the automatic unlocking state of the throwing mechanism of the present invention;

[0033] Fig.14 This is a state diagram of the throwing mechanism of the present invention being manually unlocked;

[0034] Markings in the figure:

[0035] Outer protective shell assembly 1000; upper cover plate 1001; side plate 1002; side plate connector 1003; lower cover plate 1004;

[0036] Pin-pulling mechanism 2000; upper cover 2001; large steering gear bracket 2002; guide groove 2002-11; mounting seat 2002-12; end cover 2003; hook spring 2004; fire bomb 2005; connecting rod 2006; hook 2007; crank 2008; large steering gear 2009;

[0037] Casting mechanism 3000; guide barrel 3001; locking tongue 3002; adapter plate 3003; eccentric disc 3004; lever 3005; push rod 3006; small servo support 3007; spring cover 3008; small servo 3009; shield 3010; locking tongue spring 3011. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] See also Figure 1-14 As shown, the present invention provides a fire bomb thrower, including an outer protective shell assembly 1000, a pin pulling mechanism 2000 and a throwing mechanism 3000, wherein the pin pulling mechanism 2000 and the throwing mechanism 3000 are connected to each other, and the pin pulling mechanism 2000 and the throwing mechanism 3000 are installed on the inner side of the outer protective shell assembly 1000, and the pin pulling mechanism 2000 and the throwing mechanism 3000 cooperate with each other to realize the automatic pin pulling and secondary disassembly of the fire bomb safety pin.

[0040] The outer protective shell assembly 1000 includes an upper cover plate 1001 , a side plate 1002 , a side plate connector 1003 and a lower cover plate 1004 .

[0041] The side panels 1002 are connected by side panel connectors 1003 to form a hexahedral fence, and the upper cover plate 1001 and the lower cover plate 1004 are distributed above and below the hexahedral fence to form a closed outer protective shell.

[0042] The pin pulling mechanism 2000 includes an upper cover 2001 , a large steering gear bracket 2002 , an end cover 2003 , a hook spring 2004 , a fire bomb 2005 , a connecting rod 2006 , a hook 2007 , a crank 2008 and a large steering gear 2009 .

[0043] The large steering gear bracket 2002, the connecting rod 2006, the hook 2007 and the crank 2008 constitute a crank slider mechanism.

[0044] The output shaft of the large servo 2009 is fixed to one end of the crank 2008, and the other end of the crank 2008 is hinged to one end of the connecting rod 2006. The other end of the connecting rod 2006 is a U-shaped through hole, and the cylindrical end of the hook 2007 slides in this U-shaped through hole. The end faces of the crank 2008 and the hook 2007 are installed with anti-drop end covers 2003.

[0045] The large servo support 2002 includes a guide groove 2002-11 and a fire bomb mounting seat 2002-12. The middle part of the hook 2007 slides in the guide groove and pulls the safety pin pull ring of the fire bomb. The fire bomb 2005 is installed in the fire bomb mounting seat 2002-12. The fire bomb mounting seat 2002-12 can limit the fire bomb 2005 from rotating left and right.

[0046] One end of the hook spring 2004 is fixedly mounted on one side of the guide groove 2002-11, and is used to provide the hook 2007 with a pre-tensioning force on the safety pin pull ring of the fire bomb 2005 to prevent the safety pin pull ring from loosening.

[0047] The throwing mechanism 3000 includes a guide barrel 3001, a locking tongue 3002, an adapter plate 3003, an eccentric disk 3004, a lever 3005, a push rod 3006, a small servo bracket 3007, a spring cover 3008, a small servo 3009, a shield 3010 and a locking tongue spring 3011.

[0048] The left side of the adapter plate 3003 is bonded to the guide barrel 3001, and the right side is fixedly installed with a small servo bracket 3007 and a protective cover 3010. The lock tongue 3002 is slidably installed in the servo bracket 3007. The lever 3005 is installed on the side of the lock tongue 3002, and the top rod 3006 is installed on the upper end. The rear end contacts one end of the lock tongue spring 3011, and the other end of the lock tongue spring 3011 is fixed by the spring cover 3008. The lock tongue spring 3011 is used to keep the lock tongue 3002 in an extended state.

[0049] The output flange of the small servo 3009 is fixedly linked to the eccentric disk 3004, and the side of the eccentric disk 3004 is always in contact with the lever 3005. The eccentric disk 3004 rotates to drive the locking tongue 3002 connected to the lever 3005 to slide back and forth, thereby achieving the locking and unlocking of the fire bomb 2005 for throwing.

[0050] The working principle of the present invention is as follows: when the large servo 2009 of the pin pulling mechanism is not driven, the cylindrical side of the hook 2007 is maintained on one side of the U-shaped groove of the connecting rod 2006 by the hook spring 2004, and the operator can move the hook 2007 in the opposite direction to facilitate the installation and removal of the safety pin pull ring of the fire bomb 2005.

[0051] When the pin is automatically pulled, the crank 2008 is driven by the large steering gear 2009 to rotate 70 degrees clockwise, and the connecting rod 2006 pushes the hook 2007 to slide in the guide groove 2002-11. The hook 2007 slides away from the fire bomb and pulls the safety pin of the fire bomb 2005.

[0052] The locking tongue 3002 of the throwing mechanism is installed in the large steering gear bracket 2002, and the locking tongue spring 3011 is pushed out to support the fire bomb 2005 to prevent the fire bomb 2005 from falling down. The top end of the locking tongue 3002 is installed with a push rod 3006, and the side of the push rod 3005 is installed. The side of the push rod 3006 contacts the side of the eccentric disk 3004.

[0053] When the fire bomb 2005 is thrown into the air, the small servo 3009 rotates 180 degrees, the eccentric disk 3004 rotates, and the push rod 3006 moves away from the fire bomb 2005. The locking tongue 3002 connected to the push rod 3006 slides in the same direction, and at the same time unlocks the support for the bottom of the fire bomb 2005, so that the fire bomb 2005 can be thrown.

[0054] When manually removing the fire bomb 2005 for the second time, the lever 3005 is manually moved, and the lock tongue 3002 connected with the lever 3005 slides in a direction away from the fire bomb 2005, unlocking the support of the bottom of the fire bomb 2005. At the same time, the pull hook 2007 is moved to release the pull on the safety pin pull ring of the fire bomb 2005, thereby manually removing the fire bomb 2005.

[0055] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A fire bomb throwing device, characterized in that: The invention comprises an outer protective shell component (1000), a pin pulling mechanism (2000) and a throwing mechanism (3000), wherein the pin pulling mechanism (2000) and the throwing mechanism (3000) are connected to each other, and the pin pulling mechanism (2000) and the throwing mechanism (3000) are installed on the inner side of the outer protective shell component (1000), and the pin pulling mechanism (2000) and the throwing mechanism (3000) cooperate with each other to realize automatic pin pulling and aerial throwing of the fire bomb safety pin.

2. A fire bomb throwing device according to claim 1, characterized in that: The outer protective shell assembly (1000) comprises an upper cover plate (1001), a side plate (1002), a side plate connector (1003) and a lower cover plate (1004).

3. A fire bomb throwing device according to claim 2, characterized in that: The side panels (1002) are connected by side panel connectors (1003) to form a hexahedral fence, and the upper cover plate (1001) and the lower cover plate (1004) are distributed above and below the hexahedral fence.

4. A fire bomb throwing device according to claim 1, characterized in that: The pin pulling mechanism (2000) comprises an upper cover (2001), a large steering gear bracket (2002), a hook spring (2004), a fire bomb (2005), a connecting rod (2006), a hook (2007), a crank (2008) and a large steering gear (2009); an output shaft of the large steering gear (2009) fixes one end of the crank (2008); the other end of the crank (2008) is hingedly connected to one end of the connecting rod (2006); the other end of the connecting rod (2006) is a U-shaped through hole; the cylindrical end of the hook (2007) slides in the U-shaped through hole; and the end faces of the crank (2008) and the hook (2007) are provided with anti-drop end covers (2003).

5. A fire bomb throwing device according to claim 4, characterized in that: The large steering gear bracket (2002) comprises a guide groove (2002-11) and a fire-fighting bomb mounting seat (2002-12); the middle part of the pull hook (2007) slides in the guide groove (2002-11) and pulls the safety pin pull ring of the fire-fighting bomb; the fire-fighting bomb (2005) is installed in the fire-fighting bomb mounting seat (2002-12); and the upper cover (2001) is installed on one side of the large steering gear (2009).

6. A fire bomb throwing device according to claim 5, characterized in that: One end of the hook spring (2004) is fixedly mounted on one side of the guide groove (2002-11) to provide the hook (2007) with a pre-tensioning force on the safety pin pull ring of the fire bomb (2005) to prevent the safety pin pull ring from loosening.

7. The fire bomb throwing device according to claim 1, characterized in that: The casting mechanism (3000) comprises a guide barrel (3001), a locking tongue (3002), an adapter plate (3003), an eccentric disc (3004), a lever (3005), a push rod (3006), a small steering gear bracket (3007), a spring cover (3008), a small steering gear (3009), a shield (3010) and a locking tongue spring (3011). The left side of the adapter plate (3003) is bonded to the guide barrel (3001), and the right side A small steering gear bracket (3007) and a protective cover (3010) are fixedly installed, a locking tongue (3002) is slidably installed in the small steering gear bracket (3007), a shifting rod (3005) is installed on the side of the locking tongue (3002), a push rod (3006) is installed on the upper end of the locking tongue (3002), a rear end of the locking tongue (3002) contacts one end of a locking tongue spring (3011), and the other end of the locking tongue spring (3011) is fixed by a spring cover (3008).

8. The fire bomb throwing device according to claim 7, characterized in that: The output flange of the small steering gear (3009) is fixedly connected to the eccentric disk (3004), and the side of the eccentric disk (3004) is in contact with the lever (3005). The eccentric disk (3004) rotates to drive the locking tongue (3001) connected to the lever (3005) to slide back and forth, thereby achieving the locking and unlocking of the fire bomb (2005) for throwing.

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