CN115111425A

CN115111425A - Light miniaturized plug-in electric explosion valve with inflation function

Info

Publication number: CN115111425A
Application number: CN202210740957.4A
Authority: CN
Inventors: 柏长青; 刘博�; 王冲; 张阔; 王维东
Original assignee: Shenyang Aerospace Xinguang Group Co Ltd
Current assignee: Shenyang Aerospace Xinguang Group Co Ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-27

Abstract

The invention discloses a light-weight miniaturized plug-in electric explosion valve with an inflation function, which comprises an inflation module and an initiation module, wherein the inflation module and the initiation module are supported by a shell, the inflation module is connected with the initiation module through a connector, the shell 1 comprises an air path inlet, an air path outlet and a working cavity which are mutually communicated, the connector is arranged on the air path inlet, the connector is axially connected with the shell through a boss, a cutter is arranged in the working cavity, an igniter is connected with the tail end of the shell, the front end of the shell is a shell end face, the cutter is limited through the shell end face after a product works, and a double-channel mounting groove is processed at the air path outlet and is used for being in butt joint with a decompression module and sealed through a rubber ring. The invention integrates the inflation module and the detonation module in a welding mode, is independent and does not influence each other, adds an inflation function to the electric explosion valve, realizes the weight reduction design of a product, and saves the installation space of the product.

Description

Light miniaturized plug-in electric explosion valve with inflation function

Technical Field

The invention relates to the technical field of electric explosion valves, in particular to a light and small plug-in electric explosion valve with an inflation function.

Background

Nowadays, aerospace power systems are developing towards the trend of light weight, miniaturization and integration, and with the development of missile weapon systems, higher requirements are put forward on gas circuit system products. The mechanical structure inflating nozzle with the inflating function and the electric explosion valve with the function of opening and closing the air path system are generally designed in a split mode, the structure and the installation form have high dependency on the size of an installation space, and the air path system has high weight.

Prior art CN104608943A discloses an aerating device, has designed an aerating device, and the device inflates for pressure vessel through the inflation valve, and the break-make of gas circuit system is realized to the electricity valve of exploding, and what adopt is split type project organization, can realize aerifing and the switch function of gas circuit system, nevertheless the inflation valve adopts split type design with the electricity valve of exploding, and the appearance is too big and weight is great, and gas circuit exit linkage has longer pipeline structure simultaneously, and is higher to space size requirement, and pipeline structure is complicated.

Disclosure of Invention

The invention provides a light and small plug-in electric explosion valve with an inflation function, and provides a gas circuit system integrating an inflation module and an electric explosion module, wherein the two modules are separated by a connector, so that the two modules are highly integrated and work independently, the miniaturization and the light of the gas circuit system are realized, and the installation space is saved.

The invention adopts the technical scheme that the light miniaturized plug-in electric explosion valve with the air inflation function comprises an air inflation module and an initiation module which are supported by a shell, wherein the air inflation module is connected with the initiation module through a connector, the shell 1 comprises an air path inlet, an air path outlet and a working cavity which are communicated with each other, the connector is installed on the air path inlet, the connector is axially connected with the shell through a boss, a cutter is arranged in the working cavity, an igniter is connected with the tail end of the shell, the front end of the shell is a shell end face, the cutter is limited through the shell end face after a product works, a double-channel installation groove is processed at the air path outlet and is used for being in butt joint with a pressure reduction module and sealed through a double-channel rubber ring.

Preferably, a rubber ring is arranged between the cutter and the shell.

Preferably, a gasket is arranged between the igniter and the shell.

Preferably, the adapter is of a reducing columnar structure, an air channel is machined in the center of the upper end of the columnar structure, and a solid column is arranged at the lower end of the columnar structure.

Preferably, the cutter is a diameter-variable columnar structure, the rear end of the columnar structure is provided with an annular rubber ring groove and a cutter assembling hole, after the cutter is arranged in the working cavity, the solid column at the lower end of the nozzle is arranged in front of the cutter, the cutter shears the solid column, and the end face of the cutter is in contact with the end face of the shell to be wedged.

Preferably, the inflation module comprises an inflation nozzle, an inflation connector, a channel and a pressure container; the inflating nozzle is used for air supply of the air path system, and air enters the pressure container from the inflating nozzle after entering the channel to inflate the pressure container.

The beneficial effects of the invention are: (1) the invention integrates the inflation module and the detonation module in a welding mode, is independent and does not influence each other, adds an inflation function to the electric explosion valve, realizes the weight reduction design of a product, and saves the installation space of the product. (2) The invention realizes the cutter positioning and the switching of the air passage channels by the mutual wedging deformation of the cutter end surface and the shell end surface during the work, and effectively prevents the cutter from rebounding through the spiral ring structure. (3) The outlet of the electric explosion valve is sealed by the double-channel rubber ring, so that the design of redundant pipelines is avoided, the installation space is saved, and the sealing form of the double rubber ring is safe and reliable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the housing structure of the present invention.

Fig. 3 is a view in the direction of a-a of fig. 2.

Fig. 4 is a top view of fig. 2.

Fig. 5 is a right side view of fig. 2.

FIG. 6 is a schematic view of the structure of the cutter according to the present invention.

Fig. 7 is a schematic view of the structure of the nozzle of the present invention.

FIG. 8 is a schematic view of the structure of the air nozzle of the present invention.

The labels in the figure are: 1-shell, 2-cutter, 3-rubber ring, 4-spiral ring, 5-gasket, 6-igniter, 7-connector, 8-charging nozzle, 9-gas path inlet, 10-gas path outlet, 11-double mounting groove, 12-working cavity, 13-shell end face, 14-cavity, 15-double rubber ring, 16-pressure reducing module, 17-cutter end face, 18-rubber ring groove, 19-cutter assembling hole, 20-boss, 21-gas path channel, 22-solid column, 23-charging connector, 24-channel and 25-pressure container.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.

The overall structure of the invention is shown in figure 1, the electric explosion valve is composed of two modules which are respectively an inflation module and a detonation module, the two modules are separated by a connector 7, and the connection and the sealing of a shell 1, the connector 7 and an inflation nozzle 8 are realized by welding; the gas circuit inlet 9, the gas circuit outlet 10 and the working cavity 12 of the three-way structure are machined in the shell 1, the connecting nozzle 7 and the shell 1 are axially connected through a boss 20 and sealed through a welding process, the cutter is installed in the working cavity, a rubber ring 3 is installed between the cutter and the shell, the igniter 6 is mechanically connected with the tail end of the shell 1, and meanwhile a gasket 5 needs to be installed between the igniter 6 and the shell 1. Meanwhile, the connecting nozzle 7 effectively separates the inflation module from the detonation module, so that different cavities are independent and do not influence each other when working respectively, the integrated design of the inflation structure and the detonation structure is realized, the installation space is saved, and the quality of a gas circuit system is reduced.

The shell 1 is a main supporting and connecting part of the whole three-way electric explosion valve. As shown in fig. 2 to 5, the housing 1 includes 1

gas path inlet

9, 1 gas path outlet 10 and a working cavity 12 which are mutually communicated; a connecting nozzle 7 is arranged on the gas path inlet 9 and is connected and sealed with the connecting nozzle 7 through welding, a cutter 2 is arranged in a working cavity 12, and meanwhile, the rear end of the working cavity 12 provides a channel for transferring acting force generated when an igniter 6 explodes; the utility model discloses a casing 1 front end processing terminal surface 13, realize cutter 2 spacing and utilize spiro 4 to prevent the cutter resilience through the terminal surface after the product work, the gas circuit export 10 of casing 1 processes the pipeline export that has two-way mounting groove 11 for dock with decompression module 16, realize sealedly through two-way rubber ring 15.

As shown in fig. 6 and 7, the cutter 2 is used for shearing the connector 7, the connector 7 is in a reducing columnar structure, and the boss 20 is axially connected with the shell 1 and the charging connector and sealed by welding. A circle of opening is arranged between the two reducing sections and is a weak stress part, when the cutter 2 acts, the connector 7 is cut off at the opening, the solid cylinder 22 at the lower end of the connector 7 enters the cavity 14 of the shell 1, and at the moment, the cutter 2 finishes the action process of cutting off the connector 7. And opening the normally closed air passage. The cutter 2 is a diameter-variable columnar structure, and an annular rubber ring groove 18 and a cutter assembling hole 19 are processed at the rear end of the columnar structure. After the cutter 2 is arranged in the working cavity 12, the solid column 22 at the lower end of the nozzle 7 is arranged in front of the cutter 2. The cutter 2 cuts the solid column 22 at the lower end of the nozzle 7 through the solid cylindrical end face, after the cutter 2 cuts the nozzle 7, the rear end of the solid cylindrical end face of the cutter 2 is the cutter end face 17, the cutter end face 17 is in contact with the shell end face 13 to be wedged, the cutter 2 is prevented from rebounding, the rubber ring 3 is arranged in the rubber ring groove 18, the rubber ring 3 can effectively seal the pressure generated after the igniter 6 is detonated, the pressure can completely act on the end face of the cutter 2, and the working medium of an air circuit system during the working of the electric explosion valve can be sealed; the cutter assembly hole 19 is used for mounting and dismounting the cutter 2 in the working cavity 12. Meanwhile, the solid cylindrical section 22 cut off by the nozzle 7 enters the cavity 14 where the shell 1 is located, and at the moment, the gas path inlet 9 and the gas path outlet 10 form a passage, so that the opening of a gas path channel is realized.

The adapter 7 is used for sealing the working medium in the normally closed gas path inlet 9, and is of a reducing columnar structure as shown in fig. 7, a gas path channel 21 is processed in the center of the upper end of the columnar structure, and a solid column 22 is arranged at the lower end of the columnar structure to form a normally closed gas path channel; when the cutting knife works, the cutting knife 2 cuts off the cutting knife to form a through hole and open the air passage.

As shown in fig. 8, the inflating nozzle 8 is used to provide an air source for the air path system, the air enters the pressure container 25 through the channel 24 from the inflating nozzle 23 to inflate the pressure container 25, and after the inflation is finished, the external air source is sealed through the inflating and welding tool. The working principle of the invention is as follows:

and (3) an inflation process: the gas source is connected to the inflating nozzle 8, gas enters the pressure container 22 through the inflating connector 20 and is separated from the detonating module through the connector 7, and when the gas in the pressure container 22 reaches the designated pressure, the sealing of the external gas source is realized through the inflating welding tool.

And (3) ignition process: after the electric explosion valve is assembled, the electric explosion valve comprises 1 gas circuit inlet and 1 gas circuit outlet to form 1 normally closed gas circuit channel. Before the electric explosion valve is detonated, gas in the normally closed passage is reliably sealed. After 6 detonations of some firearm, the high-pressure gas effect that gunpowder burning produced is on cutter 2 terminal surfaces (the effectual sealed high-pressure gas of rubber ring 3), promote cutter 2 and remove, cutter 2 is cuted spigot 7, realize that normally closed gas circuit route is opened, back cutter 2 continues to remove, cutter 2 front end is wedged casing terminal surface 13 for cutter terminal surface 17 and is produced the contact deformation, thereby realize the fixed of cutter 2 position, realize sealed to the gas circuit gas through rubber ring 3, the spiro 4 prevents that the cutter from kick-backing simultaneously, gas circuit entry 9 forms the route with gas circuit export 10 this moment, realize opening of gas circuit passageway.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a miniaturized grafting electricity of light explodes valve with aerify function which characterized in that: the gas circuit inlet is provided with the joint nozzle, the joint nozzle is axially connected with the shell through a boss, a cutter is arranged in the working cavity, an igniter is connected with the tail end of the shell, the front end of the shell is a shell end face, the cutter is limited by the shell end face after the product works, and the gas circuit outlet is processed with a double-channel mounting groove for being in butt joint with a decompression module and sealed through a double-channel rubber ring.

2. The light miniaturized plug-in electric explosion valve with the function of inflating as claimed in claim 1, wherein: and a rubber ring is arranged between the cutter and the shell.

3. The light miniaturized plug-in electric explosion valve with the function of inflating as claimed in claim 1, wherein: and a gasket is arranged between the igniter and the shell.

4. The light miniaturized plug-in electric explosion valve with the function of inflating as claimed in claim 1, wherein: the adapter is of a reducing columnar structure, an air channel is machined in the center of the upper end of the columnar structure, and a solid column is arranged at the lower end of the columnar structure.

5. The light miniaturized plug-in electric explosion valve with the function of inflating as claimed in claim 1, wherein: the cutter be the columnar structure of reducing, annular rubber ring groove and cutter pilot hole are processed to the columnar structure rear end, after the cutter was packed into the working cavity, the solid post of nipple lower extreme was installed in cutter the place ahead, the solid post was cuted to the cutter, cutter terminal surface and casing terminal surface contact wedge die.

6. The light miniaturized splicing electric explosion valve with the function of air inflation as claimed in claim 1, is characterized in that: the inflation module comprises an inflation nozzle, an inflation connector, a channel and a pressure container; the inflating nozzle is used for air supply of the air path system, and air enters the pressure container from the inflating nozzle after entering the channel to inflate the pressure container.