A trigger mechanism for a tear gas launcher for an unmanned aerial vehicle

Abstract

The present invention provides a trigger mechanism for a tear gas launcher for an unmanned aerial vehicle, comprising a magazine fixing portion, with a trigger slot opening along its length direction; a trigger unit, which moves along the length direction of the trigger slot, and the trigger unit comprises a guide block, a firing pin, and a protective block that moves synchronously with the firing pin, wherein the guide block is provided with a firing pin hole and a guide slot, and the firing pin can pass through the firing pin hole and be placed in the trigger slot, and the protective block is placed in the guide slot, and a trigger notch is opened along the length direction on one side of the trigger slot, and the protective block can extend into the trigger notch along the guide slot. The present invention adopts the cooperation of the protective block and the trigger notch, so that when the mechanism is operating normally, the protective block can be placed in the trigger notch, and the firing pin can enter the primer of the trigger tear gas; when a problem occurs in the operation of the mechanism, the protective block abuts against the outer wall of the launch portion, so that the firing pin is placed in the firing pin hole to prevent the firing pin from being damaged.

Description

Technical Field

[0001] The invention belongs to the field of launchers, and in particular relates to a trigger mechanism of a tear gas launcher for an unmanned aerial vehicle. Background Art

[0002] In violent crime cases, suspects may take hostages in order to escape capture. For the safety of the public, armed police officers will first fire tear gas at the suspect's area during the hostage rescue process, and then quickly break through to arrest the suspect. Existing tear gas launchers usually use handheld launchers to launch grenades by pulling the trigger. After that, the armed police officers need to put away the launcher and pick up their guns to break through the target. This process is complicated and time-consuming, and is not conducive to the armed police officers to quickly advance and control the suspect. Summary of the invention

[0003] In view of this, the present invention aims to propose a trigger mechanism for a tear gas launcher for an unmanned aerial vehicle, so as to protect the tear gas during the launching process and prevent the firing pin from deviating from the launching process.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] A trigger mechanism for a tear gas launcher for an unmanned aerial vehicle, comprising:

[0006] The magazine fixing part has a trigger slot opening along its length;

[0007] A trigger unit moves along the length direction of the trigger slot, and the trigger unit includes a guide block, a firing pin, and a protective block that moves synchronously with the firing pin. The guide block is provided with a firing pin hole and a guide groove, and the firing pin can pass through the firing pin hole and be placed in the trigger slot. The protective block is placed in the guide groove, and a trigger slot is provided on one side of the trigger slot along the length direction, and the protective block can extend into the trigger slot along the guide groove.

[0008] Furthermore, a flange is extended inward from the outer end of the firing pin hole, and the firing pin includes a striking portion and a primer triggering portion. The diameter of the striking portion is larger than the primer triggering portion. A spring is sleeved on the striking portion, and one end of the spring abuts against the flange, and the other end abuts against the striking portion.

[0009] Furthermore, a connecting portion is extended upward from one end of the protection block away from the trigger slot, a through hole is opened on the top of the connecting portion, the connecting portion is sleeved on the primer trigger portion of the firing pin through the through hole, and the spring presses against the connecting portion.

[0010] Furthermore, chamfers are formed on both sides of one end of the protection block facing the trigger notch.

[0011] Furthermore, a receiving groove is provided between the firing pin hole and the guide groove, and the connecting portion is placed in the receiving groove.

[0012] Furthermore, the trigger unit also includes a fixed seat, which includes a fixed plate and vertical plates placed on both sides of the hammer. The vertical plate is provided with an axial hole, a rotating shaft passes through the axial hole, the top end of the hammer is fixedly connected to the rotating shaft, a torsion spring is sleeved on the rotating shaft, and the two torsion legs of the torsion spring respectively press against the hammer and the fixed plate.

[0013] Furthermore, the trigger unit also includes a firing gear and a driven gear, the firing gear includes a convex tooth portion and a smooth portion meshing with the driven gear, the driven gear is coaxially connected to the rotating shaft, and the driven gear and the rotating shaft rotate synchronously.

[0014] Furthermore, a limiting shaft is fixedly provided between the two side plates, and the striking portion of the firing pin has a section along its length direction and a limiting arc surface tangent to the section, and the limiting shaft can abut against the limiting arc surface.

[0015] Furthermore, a trigger motor is fixedly disposed on the fixing seat, and an output shaft of the trigger motor is coaxially fixedly connected to the firing gear.

[0016] Compared with the prior art, the trigger mechanism of the tear gas launcher for unmanned aerial vehicles described in the present invention has the following advantages:

[0017] The present invention adopts the cooperation between the protection block and the trigger notch, so that when the mechanism operates normally, the protection block can be placed in the trigger notch and the firing pin can trigger the primer of the tear gas bomb; when the mechanism has problems in operation, the protection block abuts against the outer wall of the launching part, so that the firing pin is placed in the firing pin hole, thereby preventing the firing pin from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the transmitter;

[0020] Figure 2 It is a schematic diagram of the magazine fixing part and the magazine structure;

[0021] Figure 3 This is a schematic diagram of the magazine structure;

[0022] Figure 4 It is a schematic diagram of the structure of the transmitting unit;

[0023] Figure 5 It is a schematic diagram of the fixed seat structure;

[0024] Figure 6 This is a schematic diagram of the explosion of the launch unit and the magazine fixing unit;

[0025] Figure 7 It is a schematic diagram of the internal structure of the fixed seat;

[0026] Figure 8 It is a schematic diagram of the cooperation between the firing gear and the driven gear;

[0027] Fig. 9 This is a schematic diagram of the structure of the magazine fixing part.

[0028] Description of reference numerals:

[0029] 1-magazine fixing part; 11-launching port; 12-trigger slot; 13-second locking hole; 14-rack part; 15-slideway; 16-trigger slot; 2-magazine; 21-accommodating chamber; 22-fixing edge; 23-first locking hole; 24-locking chamber; 25-pin; 26-pressing piece; 27-locking tongue; 28-guide hole; 29-guide slot; 3-launching part; 31-launching tube; 32-trigger unit; 321-fixing seat; 3211-fixing plate; 3212-side plate; 3213-guide block; 32131-firing pin hole; 321 32- flange; 32133- guide groove; 32134- receiving groove; 322- firing pin; 3221- primer trigger part; 3222- striking part; 32221- cut surface; 32222- limiting arc surface; 323- hammer; 3231- torsion spring; 324- striking generator; 325- firing gear; 3251- convex tooth part; 3252- smooth part; 326- limiting shaft; 33- traveling motor; 34- slide groove; 35- traveling gear; 37- spring; 38- protection block; 381- connecting part; 39- rotating shaft; 391- driven gear. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0033] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0034] The tear gas launcher trigger mechanism of the present invention is suitable for a UAV tear gas launcher, and the UAV tear gas launcher includes

[0035] The magazine fixing part 1 has a plurality of firing ports 11 and trigger slots 12 corresponding to the firing ports 11 along the length direction;

[0036] The magazine 2 can be placed in the magazine 2 fixing part 1. The magazine 2 is provided with a receiving cavity 21 corresponding to the launching port 11. When working, each receiving cavity 21 can accommodate a tear gas bomb. A fixed edge 22 is extended outward from one end of the magazine 2. A first locking hole 23 is provided on the fixed edge 22. A locking cavity 24 is fixedly provided below the fixed edge 22. A pin 25 capable of popping out of the locking cavity 24 is provided in the locking cavity 24. A pressing plate 26 is fixedly provided at the top of the pin 25. A locking tongue 27 is vertically extended upward from the pressing plate 26. A second locking hole 13 corresponding to the first locking hole 23 is provided at the end of the magazine fixing part 1. When the pin 25 pops out, the locking tongue 27 can pass through the first locking hole 23 and the second locking hole 13. When the pressing plate 26 is pressed downward, the pressing plate 26 drives the locking tongue 27 to disengage from the second locking hole 13, so that the magazine 2 is separated from the magazine fixing part 1.

[0037] The launching part 3 is sleeved on the magazine fixing part 1 and can move along the length direction of the magazine fixing part 1. A launching tube 31 is fixedly arranged at one end thereof. The launching tube 31 can correspond to the launching port 11 of the magazine fixing part 1. A trigger unit 32 is fixedly arranged at the other end. The trigger unit 32 can correspond to the trigger slot 12. The magazine fixing part 1 is fixedly provided with slideways 15 along the length direction of the magazine 2 on both sides. A slideway 34 cooperating with the slideway 15 is opened on the launching part 3. The magazine fixing part 1 is provided with a plurality of slideways 15. A rack portion 14 is fixedly provided in the direction, a travel motor 33 is fixedly provided on the launcher 3, a travel gear 35 is coaxially fixedly connected to the output shaft of the travel motor 33, and the travel gear 35 is meshed with the rack portion 14. When working, the travel gear 35 is controlled by the travel motor 33, and the travel gear 35 and the rack portion 14 cooperate to make the launcher 3 move along the magazine fixing portion 1, so that during the movement of the launcher 3, the trigger unit 32 and the launch tube 31 can correspond to the accommodating cavity 21 in sequence;

[0038] The trigger unit 32 includes a fixing seat 321, a firing pin 322 and a hammer 323. The fixing seat 321 includes a fixing plate 3211 and side plates 3212 extending from both sides of the fixing plate 3211. The firing pin 322 and the hammer 323 are both placed between the two side plates 3212. A guide block 3213 is fixedly provided on the fixing plate 3211. A guide hole 28 is provided on the launching part 3. The guide block 3213 passes through the guide hole 28 and is placed in the trigger slot 12. A firing pin hole 32131 is provided on the wire block. The firing pin hole 32131 extends a flange 32132 inwardly at one end near the trigger slot 16. The firing pin 322 is placed in the firing pin hole 32131 and can pass through the firing pin hole 32131 and be placed in the accommodating chamber 21 to trigger the primer of the tear gas bomb in the accommodating chamber 21. A guide groove 32133 is provided at the bottom of the guide block 3213. A protective block 38 capable of synchronously moving with the firing pin 322 is provided below the firing pin 322, the protective block 38 is placed in the guide groove 32133, a guide groove 29 corresponding to the guide groove 32133 is provided at the bottom of the guide hole 28, a trigger groove 16 corresponding to the accommodating chamber 21 is provided at the bottom of the trigger groove 12 along the length direction, and when the end of the firing pin 322 enters the accommodating chamber 21, the protective block 38 can pass through the guide groove 29 and enter the trigger groove 16. When a fault occurs, the protective block 38 moves forward, passes through the guide groove 29 and abuts against the outer wall of the launch part 3. At this time, the firing pin 322 is still in the firing pin hole 32131 to prevent damage to the firing pin 322. Chamfers are provided on both sides of one end of the protective block 38 facing the trigger groove 16 to facilitate the guide block 3213 to enter the trigger groove 16, thereby preventing the protective block 38 from affecting the launch of the tear gas bomb;

[0039] The firing pin 322 includes a striking portion 3222 and a primer triggering portion 3221. The diameter of the striking portion 3222 is larger than that of the primer triggering portion 3221. A spring 37 is sleeved on the striking portion 3222. An end of the protective block 38 away from the triggering slot 12 extends upwardly from a connecting portion 381. A through hole is provided at the top of the connecting portion 381. The connecting portion 381 is sleeved on the primer triggering portion 3221 of the firing pin 322 through the through hole. One end of the spring 37 abuts against the flange 32132, and the other end abuts against the connecting portion 381. A receiving groove 32134 is provided on the guide block 3213, and the connecting portion 381 is placed in the receiving groove 32134.

[0040] The side plate 3212 is provided with an axial hole, a rotating shaft 39 passes through the axial hole, the top of the hammer 323 is fixedly connected to the rotating shaft 39, the main body of a torsion spring is sleeved on the rotating shaft 39, and the two torsion feet of the torsion spring 3231 respectively abut against the hammer 323 and the fixed plate 3211, and a driven gear 391 is coaxially fixedly provided on the rotating shaft 39, a striking generator 324 is fixedly provided on the fixed seat 321, and a firing gear 325 is fixedly provided on the output shaft of the striking generator 324, and the firing gear 325 includes a convex tooth portion 3251 and a smooth portion 3252 meshing with the driven gear 391, and a limiting shaft 326 is fixedly provided between the two side plates 3212, and the impact portion 3222 of the firing pin is opened along its own length direction. There is a cut surface 32221 and a limiting arc surface 32222 tangent to the cut surface 32221, and the limiting shaft 326 can be pressed against the limiting arc surface 32222. During operation, the convex tooth portion 3251 of the firing gear 325 drives the driven gear 391 to make the hammer 323 rotate around the axis of the rotating shaft, compressing the torsion spring 3231 to form elastic potential energy. When the firing gear 325 rotates to the point where the convex tooth portion 3251 is separated from the driven gear 391, the hammer 323 hits the firing pin 322 driven by the torsion spring 3231, so that the firing pin 322 triggers the primer gunpowder of the tear gas bomb in the accommodating chamber 21. The magazine fixing portion can be carried on a drone to control the drone remotely and fire the tear gas bomb at the target.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A trigger mechanism for a tear gas launcher for a drone, Features: include The magazine fixing portion (1) is provided with a trigger slot (12) along its length direction; A trigger unit (32) moves along the length direction of the trigger slot (12), the trigger unit (32) comprising a guide block (3213), a firing pin (322) and a protection block (38) moving synchronously with the firing pin (322), the guide block (3213) being provided with a firing pin hole (32131) and a guide groove (32133), the firing pin (322) being able to pass through the firing pin hole (32131) and be placed in the trigger slot (12), the protection block (38) being placed in the guide groove (32133), a trigger slot (16) being provided on one side of the trigger slot (12) along the length direction, the protection block (38) being able to extend into the trigger slot (16) along the guide groove (32133); The outer end of the firing pin hole (32131) extends inwardly to form a flange (32132); the firing pin (322) comprises a striking portion (3222) and a primer triggering portion (3221); the diameter of the striking portion (3222) is larger than that of the primer triggering portion (3221); a spring (37) is sleeved on the striking portion (3222); one end of the spring (37) abuts against the flange (32132), and the other end abuts against the striking portion (3222); The protection block (38) has chamfers on both sides of one end facing the trigger notch (16).

2. The trigger mechanism of the tear gas launcher for unmanned aerial vehicles according to claim 1, Features: A connecting portion (381) extends upward from one end of the protection block (38) away from the trigger slot (12), a through hole is formed at the top of the connecting portion (381), the connecting portion (381) is sleeved on the primer trigger portion (3221) of the firing pin (322) through the through hole, and the spring (37) abuts against the connecting portion (381).

3. The trigger mechanism of the tear gas launcher for unmanned aerial vehicles according to claim 2, Features: An accommodating groove (32134) is provided between the firing pin hole (32131) and the guide groove (32133), and the connecting portion is placed in the accommodating groove (32134).

4. The trigger mechanism of the tear gas launcher for unmanned aerial vehicles according to claim 1, Features: The trigger unit (32) further comprises a fixing seat (321), the fixing seat (321) comprising a fixing plate (3211) and side plates (3212) disposed on both sides of the hammer (323), an axial hole is formed on the side plate (3212), a rotating shaft (39) passes through the axial hole, the top end of the hammer (323) is fixedly connected to the rotating shaft (39), a torsion spring (3231) is sleeved on the rotating shaft (39), and two torsion legs of the torsion spring (3231) respectively abut against the hammer (323) and the fixing plate (3211).

5. The trigger mechanism of the tear gas launcher for unmanned aerial vehicles according to claim 4, Features: The trigger unit (32) further comprises a firing gear (325) and a driven gear (391); the firing gear (325) comprises a convex tooth portion (3251) meshing with the driven gear (391) and a smooth portion (3252); the driven gear (391) is coaxially connected to the rotating shaft (39), and the driven gear (391) and the rotating shaft (39) rotate synchronously.

6. The trigger mechanism of the tear gas launcher for unmanned aerial vehicles according to claim 2, Features: A limiting shaft (326) is also fixedly provided between the two side plates (3212); the impact portion (3222) of the firing pin (322) is provided with a cut surface (32221) and a limiting arc surface (32222) tangent to the cut surface (32221) along its length direction; and the limiting shaft (326) can abut against the limiting arc surface (32222).

7. The trigger mechanism of the tear gas launcher for unmanned aerial vehicles according to claim 5, Features: A striking generator (324) is fixedly mounted on the fixing seat (321), and an output shaft of the striking generator (324) is coaxially fixedly connected to a firing gear (325).

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