CN110631416A

CN110631416A - Gas piston type active guide tube opening device

Info

Publication number: CN110631416A
Application number: CN201910890063.1A
Authority: CN
Inventors: 曹雷
Original assignee: Pizhou Partner Pneumatic Machinery Co Ltd
Current assignee: Pizhou Partner Pneumatic Machinery Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2019-12-31

Abstract

The invention relates to a gas piston type active guide pipe opening device, which comprises a collecting net (8), a traction head (6), a guide pipe (7), an igniter (3) and a main powder container. (5) A gas generator (1) and a piston (2). The piston and the main powder container are disposed within the gas generator. The top of the piston contacts with the triangular protrusion on the base of the guide tube. The traction head is arranged in the guide pipe, and the other end of the traction head is fixed on one corner of the trapping net. During operation, the main powder container is ignited by the igniter, the piston is pushed by the generated gas, and the guide tube is pushed by the movement of the piston. The gas is put into the guide tube and the traction head is pressed to jump out of the guide tube at high speed, and the traction head pulls out the trapping net and spreads the trapping net. Such a gas piston type active guide tube opening device can be deployed quickly and has a large area of the catch net to be deployed.

Description

Gas piston type active guide tube opening device

Technical Field

The present invention relates to a net opening device, and more particularly, to a gas piston type active guide pipe opening device.

Background

At present, relatively developed network systems in japan and abroad are mainly "net guns" of the police. The net-opening device of the net gun mainly comprises a launching mechanism, a high-pressure gas cylinder, a fixed conduit, a traction head and a trapping net. The net opening device accelerates each of the traction heads along a fixed guide pipe having an angle with a driving force provided from the high pressure gas cylinder and drives a corner of the trap net to pull out the trap net. Therefore, the acquisition network is in a development state. The disadvantage of the "clean gun" opening device is that the guide tube accelerates over a small angle and a short stroke, so that the area of the collector net to be deployed is small, whereas the angle of the accelerating duct increases the volume of the opening device if the stroke is increased.

Disclosure of Invention

It is an object of the present invention to provide a gas piston type active guide tube opening device to solve the contradiction between increasing the opening area of the conventional opening device and reducing the volume of the opening device.

The utility model provides a gaseous piston initiative pipe opening device, is including trapping the net, the traction head, the stand pipe, and some firearm, main powder container including black powder and box, the sealing washer, the cavity, gas generator still includes the recess, air pipe and gas flow path, piston and apron, gas generator has cylindrical cavity, piston and main powder. The shell is arranged in the cavity, the top of the piston is in contact with the triangular protrusion on the base of the guide pipe, and the lower end of the gas generator is connected with the igniter in a threaded mode. Six semi-cylindrical grooves are uniformly arranged on the upper end surface of the gas generator, and a plurality of ventilation ducts whose shape and number match those of the grooves are alternately arranged with the plurality of grooves. The connection and the number are respectively connected with the cavity and the ventilation pipeline, the bottom of the conduit is of an inverted T shape and is placed in the groove, the upper end face of the cover plate gas generator is hermetically connected with the bottom of the conduit, a sealing ring is arranged on the connecting face, the cover plate and the upper end face of the gas generator are fixed through screws, and the traction head is guided. It is installed at the bottom end of the jingle tube and fixed by a pin, and the other end of the traction head is fixed at one corner of the capture net.

The gas generated by the gas generator is the entire power source of the open mesh device, and pushes the piston to rotate the guide tube at an angle of 40 ° to 45 ° and is also emitted from the guide tube. The traction head is pushed to pull the trapping net to be smoothly unfolded. In the initial state of the open mesh device, the guide tube is pulled vertically and the igniter is decomposed by the ignition signal during operation. The piston is pushed by the gas to be moved, the triangular bulge on the base of the guide pipe is pushed by the piston to move upwards, the whole guide pipe rotates, the piston moves by 20mm to 40mm, then the gas flow path is opened, the gas is put into the guide pipe, the traction head is pressed down to enable the gas to jump out of the guide pipe at a high speed, and the traction head pulls out the catching net for deployment.

The device has the advantages of novel structure, quick deployment, long accelerating guide pipe, large angle, large-area capture network deployment, initial state and small volume.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for assisting the understanding of the present application, and are not particularly limited to the shapes, the proportional sizes, and the like of the respective members in the present application. Those skilled in the art, having the benefit of the teachings of this application, may select various possible shapes and proportional sizes to implement the present application, depending on the particular situation. In the drawings:

fig. 1 is a schematic configuration diagram of an initial state of a gas piston type active guide tube opening apparatus;

FIG. 2 is a schematic view showing the structure of the working state of the opening device of the gas piston type movable guide pipe;

FIG. 3 is a schematic illustration of a fixed form of the guide tube of the gas piston type active guide tube opening device and the structure of the gas flow path;

FIG. 4 is a schematic view of the gas flow path structure of the gas generator of the gas piston type movable conduit opening device;

figure 5 is a cross-sectional view of the base of the guide tube of the gas piston type active guide tube opening device.

In the figure: 1 gas generator, 2 pistons, 3 igniters, 4 sealing rings, 5 main powder storage bodies, 6 traction heads, 7 conduits, 8 capture nets, 9 cover plates and 10 gas flow paths.

Detailed Description

The following examples further illustrate the invention. These examples are intended to illustrate the invention, but not to limit it in any way.

A gas piston type active guide tube opening device comprises a collecting net 8, a drawing head 6 and a guide tube 7, an igniter 3, a main powder container 5 containing black powder and a box, and a sealing ring. As shown in fig. 4, the gas generator 1 is further included, and the gas generator 1 includes a cavity, a recess, a ventilation duct and a gas flow path 10, a piston 2 and a cover plate 9, and is cylindrical inside the gas generator 1. The piston 2 and the main powder container 5 are disposed in the cavity, and the top of the piston 2 is in contact with the triangular protrusion of the base of the guide tube 7. The lower end thereof is spirally connected to the igniter 3, and six semicylindrical grooves are uniformly arranged on the upper end surface of the gas generator 1 such that the shape and number thereof match those of the grooves. Two ends of the 6 ventilation ducts, 6 air flow passages 10 are alternately connected to the grooves and the plurality of gas passages 10 are respectively communicated with the cavity and the ventilation ducts, and the bottom of the guide tube 7 is in ″) j. The cover plate 9 is of a type and is disposed in the groove, the cover plate 9 sealing the upper end surface of the gas generator 1 and the bottom of the guide tube 7, and having the seal ring 4 on the connecting surface. The upper end face of the gas generator 1 is fixed by screws, the drawing head 6 is arranged at the bottom end in the guide pipe 7 and fixed by pins, and the other end of the drawing head 6 is fixed on one corner of the trapping net 8.

The gas generated by the gas generator 1 is a power source of the entire open mesh device, and the piston 2 is pressed to rotate the guide tube 7 at an angle of 45 ° and is emitted from the guide tube 7. The traction head 6 is pressed so that the traction net 8 is pulled and smoothly unfolded. In the initial state of the net opening device, the guide tube 7 is pulled vertically and the igniter 3 is moved by the ignition signal during operation. The piston 2 is pushed by the generated gas, the upward movement of the piston 2 pushes the triangular convex portion of the base of the guide tube 7, the entire guide tube 7 rotates, and after the piston 2 moves 30mm, the gas flow path 10 is opened, the gas is introduced into the guide tube 7, the drawing head 6 is pressed, and the drawing head 6 is ejected at high speed, and the capture network 8 is deployed.

A gas piston type active guide tube opening device comprises a collecting net 8, a drawing head 6 and a guide tube 7, an igniter 3, a main powder container 5 containing black powder and a box, and a sealing ring. As shown in fig. 4, the gas generator 1 is further included, and the gas generator 1 includes a cavity, a recess, a ventilation duct and a gas flow path 10, a piston 2 and a cover plate 9, and is cylindrical inside the gas generator 1. The piston 2 and the main powder container 5 are disposed in the cavity, and the top of the piston 2 is in contact with the triangular protrusion of the base of the guide tube 7. The lower end thereof is spirally connected to the igniter 3, and six semicylindrical grooves are uniformly arranged on the upper end surface of the gas generator 1 such that the shape and number thereof match those of the grooves. Two ends of the 6 ventilation ducts, 6 air flow passages 10 are alternately connected to the grooves and the plurality of gas passages 10 are respectively communicated with the cavity and the ventilation ducts, and the bottom of the guide tube 7 is in ″) j. The cover plate 9 is of a type and is disposed in the groove, the cover plate 9 sealing the upper end surface of the gas generator 1 and the bottom of the guide tube 7, and having the seal ring 4 on the connecting surface. The upper end face of the gas generator 1 is fixed by screws, the drawing head 6 is arranged at the bottom end in the guide pipe 7 and fixed by pins, and the other end of the drawing head 6 is fixed on one corner of the trapping net 8. Is doing so.

Claims

1. A gas piston type active conduit opening device comprising a trap net (8), a drawing head (6) and a conduit (7) comprising an igniter (3) and black powder (5-1) and a main powder storage body (5) comprising a box (5-2), a sealing ring (4), a cavity (1-1), a groove (1-2) and a ventilation duct (1-3) and wherein the gas generator (1) comprises a gas flow path (10), a piston (2) and a cover plate (9), and a cylindrical cavity (1) inside the gas generator (1) (as shown in fig. 1-1), the piston (2) and the main powder container (5) are arranged in the cavity (1-1), the top of the piston (2) is located on the guide tube (7) which contacts the triangular convex portion of the base, the lower end of the gas generator (1) is connected to the igniter (3) in a spiral shape, so, conventionally, from the fact that four-six semicylindrical grooves (1-2) are uniformly arranged at the gas generator (1), the shape of the upper end surface (1-2) of the shape and number of grooves and a plurality of ventilation pipes (1-3) matching the number are alternately communicated with the plurality of grooves (1-2), the number thereof is ventilation pipes (1-3), both ends of the gas passages (10) corresponding to the number of the gas passages (10) are respectively communicated with the cavity (1-1) and the ventilation pipes (1-3), and the bottom of the guide pipe (7) has a rectangular shape, a cover plate (9) is disposed in the grooves (1-2), the upper end surface of the gas generator (1) and the bottom of the guide pipe (7) are sealingly connected, and seal rings (4) are disposed at the interface between the cover plate (9) and the upper end surface of the gas generator (1) and the interface between the cover plate (9) and the bottom of the guide pipe (7), the cover plate (9) and the upper end face of the gas generator (1) are fixed with screws (11), a drawing head (6) is provided at the bottom end inside a guide tube (7) and fixed with pins, the other end of the drawing head (6) is fixed at the corner of a catch net (8), gas (1) generated by the gas generator is rotated at an angle of 40 DEG to 45 DEG by a push piston (2) dividing the guide tube (7) at the power source of the entire Hirakimo device, and the drawing head (6) is pressed to be emitted from the guide tube (7) and the catch net (8) is pulled, the guide tube (7) is pulled vertically in the initial state of the opening device and expanded smoothly, and an igniter (3) is decomposed by an ignition signal during operation and the generated gas causes the piston (2), triangular movement of the base of the guide tube (7) is pressed by upward movement of the piston (2), the whole guide tube (7) rotates, the piston (2) is 20mm to 40mm, after moving, the gas flow path (10) is opened, gas is put into the guide tube (7), the traction head (6) is pressed to jump out of the guide tube (7) at high speed, the traction heads (6) (8) is a gas piston type active guide tube opening device, characterized in that it is pulled out and unfolded.