CN211259746U

CN211259746U - Pressure-reducing type electric explosion valve

Info

Publication number: CN211259746U
Application number: CN201922035811.6U
Authority: CN
Inventors: 王维东; 刘博�; 廉彬; 胡森; 苏雷; 宋福英; 赵龙胜; 王冲
Original assignee: Shenyang Aerospace Xinguang Group Co Ltd
Current assignee: Shenyang Aerospace Xinguang Group Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-14
Anticipated expiration: 2029-11-22

Abstract

The utility model provides a decompression formula electricity explodes valve, include: the device comprises a shell assembly, a piston, a clamping ring, a pressure reducing pipeline device and an igniter. The piston is installed inside the shell assembly, and the tail of the piston is fixed by a clamping ring to prevent the piston and the shell assembly from moving relatively. The igniter is mounted at the rear end of the housing assembly. The housing assembly includes: a housing, a diaphragm. When the valve works, the igniter pushes the piston to break the diaphragm, so that fluid enters the shell. The pressure reducing line device includes: steel ball, spring, mount, connecting rod, separation blade, decompression casing. When the fluid pushes the steel ball with a certain pressure, the steel ball is linked with the baffle plate, so that a part of the fluid enters the inner cavity of the pressure reduction pipeline shell through the steel ball and the baffle plate. The larger the fluid flow velocity is, the smaller the entering fluid amount is, the output pressure is reduced, and the pressure reduction effect is realized; when the fluid flow speed is released, the fluid amount is increased, the output pressure is improved, and the pressure control effect is achieved. The utility model discloses simple structure, economic nature are good, have characteristics such as small, the quality is light.

Description

Pressure-reducing type electric explosion valve

Technical Field

The utility model relates to an aerospace power device technical field, concretely relates to decompression formula electricity explodes valve.

Background

With the development of the field of aerospace, higher requirements are put forward on an aerospace power system. Nowadays, aerospace power systems are developing towards miniaturization and light weight. However, the existing aerospace power system is too large, and the performance of the aerospace power device is poor due to overlarge volume and mass. Meanwhile, the combined and light-weight device in the aerospace power system is too few, the device structure is complex, and the design and production processing steps are complicated, so that the manufacturing economy is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that exists among the above-mentioned prior art, provide a decompression formula electricity and explode valve, solved among the prior art problem that the electricity explodes valve is bulky, the structure is complicated among the space flight and aviation driving system.

The above purpose is realized by the following technical scheme:

a pressure reducing type electric explosion valve, comprising: a housing assembly, a piston, a pressure relief line assembly, and an igniter; the outlet of the shell component is fixedly connected with a pressure reducing pipeline device, the piston is arranged in the shell component, and the igniter is arranged at the tail end of the shell component.

The housing assembly includes a housing and a diaphragm secured to a forward end of the housing.

The front end of the piston is arranged on the diaphragm, and the tail end of the piston is fixed in the shell through a snap ring.

Decompression piping installation include steel ball, spring, mount, connecting rod, separation blade, decompression casing and trip axis bracing piece, the decompression casing be the echelonment structure, mount fixed mounting is in the decompression casing, the tail end of spring is fixed on the mount, realizes the fixed of spring tail end, the head end of spring links to each other with the steel ball, the spring extrudees the steel ball at decompression casing front end step department, the one end of connecting rod links to each other with the steel ball, the other end of connecting rod passes the mount and links to each other with lower part in the separation blade, the separation blade passes through trip axis bracing piece movable mounting in the decompression casing.

The steel ball is provided with a through hole, and a sealing rubber ring is arranged at the contact position of the steel ball and the step at the front end of the decompression shell.

The retaining piece periphery is equipped with the recess, embeds sealed rubber ring in the recess.

The igniter is sealed at the tail end of the shell assembly through a gasket.

The utility model has the advantages that:

the utility model discloses a valve device is exploded to decompression formula electricity, simple structure, economic nature is good to have characteristics such as small, the quality is light. The fluid pressure reduction device is fused into the electric explosion valve, so that the space and mass occupancy rate of the aerospace power device can be greatly reduced.

The pressure reducing pipeline device drives the steel ball and the spring through the self pressure of the fluid to drive the baffle plate to move, thereby controlling the flow speed and flow of the output fluid and playing the roles of reducing pressure and controlling pressure.

The pressure reduction type electric explosion valve device can be suitable for most of fluids in an aerospace power device, and is wide in applicable pressure range and strong in universality.

Drawings

Fig. 1 is a three-dimensional perspective view of a pressure-reducing type electric explosion valve according to an embodiment of the present invention.

Fig. 2 is a sectional view of a pressure-reducing type electric explosion valve according to an embodiment of the present invention.

Fig. 3 is a sectional view of a housing assembly according to an embodiment of the present invention.

Fig. 4 is a schematic view of a piston structure according to an embodiment of the present invention.

Fig. 5 is a sectional view of a pressure reducing pipeline device according to an embodiment of the present invention.

Fig. 6 is a schematic view of a combined structure of the baffle, the turning axis support bar and the rubber ring in the pressure reducing pipeline device according to the embodiment of the present invention.

Fig. 7 is a cross-sectional view of a connecting rod in a pressure reducing piping device according to an embodiment of the present invention.

Fig. 8 is a sectional view of a steel ball in a pressure reducing piping device according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a fixing frame in a pressure reducing piping device according to an embodiment of the present invention.

In the figure, the device comprises a shell assembly 1, a shell assembly 2, a piston 3, a pressure reducing pipeline device 4, a clamping ring 5, an igniter 6, a shell 7, a diaphragm 8, a steel ball 9, a spring 10, a fixing frame 11, a connecting rod 12, a baffle plate 13, a pressure reducing shell 14, a turnover axis supporting rod 15, a rubber ring 16 and a gasket.

Detailed Description

The utility model is carefully read in combination with the attached drawings of the specification.

As shown in fig. 1 and 2, a pressure-reducing type electric explosion valve includes: the device comprises a shell assembly 1, a piston 2, a pressure reducing pipeline device 3, a clamping ring 4 and an igniter 5. The piston 2 is arranged in the shell component 1 and fixed by a snap ring 4, and the pressure reducing pipeline device 3 is arranged at the outlet of the shell component 1. The igniter 5 is arranged at the tail end of the shell assembly 1 and is sealed by a gasket 16, the igniter is ignited to push the piston, the diaphragm is cut off, the electric explosion valve is opened, and fluid enters the pressure reduction pipeline device.

As shown in fig. 3, the housing assembly 1 includes: a housing 6 and a diaphragm 7, the diaphragm 7 being fixed to the front end of the housing 6. The front end of the piston 2 is pressed against the diaphragm 7, and the tail end of the piston 2 is limited and fixed in the shell 6 by the snap ring 4.

The decompressor piping device 3 shown in fig. 5 comprises: the device comprises a steel ball 8, a spring 9, a fixed frame 10, a connecting rod 11, a baffle 12, a decompression shell 13, a turnover axis support rod 14 and a rubber ring 15. The pressure reducing shell is of a stepped structure, a fixing frame 10 is fixedly arranged in a pressure reducing shell 13, the tail end of a spring 9 is fixed on the fixing frame 10, the tail end of the spring 9 is fixed, the head end of the spring 9 is connected with a steel ball 8, the spring 9 extrudes the steel ball 8 at the step at the front end of the pressure reducing shell 13, one end of a connecting rod 11 is connected with the steel ball 8, the other end of the connecting rod 11 penetrates through a central positioning hole of the fixing frame 10 and is connected with the middle lower part of a baffle 12, the fixing frame realizes the limiting effect on the connecting rod 11, the connecting rod ensures that the steel ball moves along the axial direction of the pressure reducing shell when moving, the baffle 12 is movably arranged in the pressure reducing shell 13 through a; the steel ball movement controls the opening and closing size between the baffle and the pressure reducing shell, and controls the flow velocity and flow of the fluid, thereby controlling the output pressure.

As shown in fig. 5, in the pressure reducing pipeline device 3, a through hole is formed in the steel ball 8, and is used for enabling fluid to enter an inner cavity of the pressure reducing shell through the steel ball when the fluid output pressure is too low to push the steel ball to move; meanwhile, a sealing rubber ring is arranged at the contact position of the steel ball 8 and the step at the front end of the decompression shell 13, and a groove is formed in the circumferential surface of the baffle 12, wherein the sealing rubber ring 15 is arranged.

The present embodiment is directed to a high pressure fluid which is released from the storage device when in use, and when the fluid enters the pressure reduction type electric explosion valve from the storage device, the diaphragm 7 in the pressure reduction type electric explosion valve plays a sealing role. When the fluid is released, the igniter 5 operates to push the piston 2 to rupture the diaphragm 7, allowing the fluid to enter the pressure reducing line means 3. The fluid pushes the steel ball 8 with a certain pressure, so that the steel ball 8 moves along the central axis of the decompression housing 13 toward the fixed frame 10, at this time, the steel ball 8 drives the connecting rod 11 to move along the central axis of the decompression housing 13 toward the fixed frame 10, one end of the connecting rod 11 pushes the middle and lower ends of the baffle 12, and the opening sizes of the baffle 12 and the decompression housing 13 are controlled. When the pressure and the flow rate of the fluid are higher, the opening is smaller, and the high-pressure fluid entering the inner cavity through the baffle plate 12 is reduced; when the pressure and the flow rate of the fluid are smaller, the opening is larger, and the high-pressure fluid entering the inner cavity through the baffle plate 12 is increased; when the fluid pressure is too low and the fluid can not push the steel ball 8 to move, the fluid enters the inner cavity of the decompression shell 13 through the through hole in the steel ball 8, so that the output flow and the pressure are controlled, and the effects of decompression and pressure control are achieved.

This utility model's device can reduce pressure, accuse pressure work to high-pressure fluid's output effectively, has characteristics small, that the quality is light. Meanwhile, the pressure reduction type electric explosion valve device is simple in structure, high in reliability and economy and provides a new scheme for pressure reduction and pressure control output of high-pressure fluid in the aerospace power device.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation. Therefore, the restriction of the present invention can not be understood, what is said above is the technical principle of the present invention, any equivalent transformation based on the present invention, all belong to the protection scope of the present invention.

Claims

1. A decompression type electric explosion valve is characterized by comprising: the device comprises a shell component (1), a piston (2), a pressure reducing pipeline device (3) and an igniter (5); the outlet of the shell component (1) is fixedly connected with a pressure reducing pipeline device (3), the piston (2) is arranged in the shell component (1), and the igniter (5) is arranged at the tail end of the shell component (1).

2. A pressure reducing type squib shutter according to claim 1, characterized in that said housing assembly (1) comprises a housing (6) and a diaphragm (7), the diaphragm (7) being fixed to the front end of the housing (6).

3. A pressure reducing type squib valve as claimed in claim 2, characterized in that the front end of said piston (2) is placed on the diaphragm (7), and the tail end of the piston (2) is fixed inside the housing by a snap ring (4).

4. A decompression type electric explosion valve according to claim 1, characterized in that the decompression pipeline device (3) comprises a steel ball (8), a spring (9), a fixed frame (10), a connecting rod (11), a baffle plate (12), a decompression shell (13) and a turnover axis supporting rod (14), the decompression shell is of a step-shaped structure, the fixed frame (10) is fixedly arranged in the decompression shell (13), the tail end of spring (9) is fixed on mount (10), realize the fixed of spring (9) tail end, the head end of spring (9) links to each other with steel ball (8), spring (9) extrude steel ball (8) in decompression casing (13) front end step department, the one end of connecting rod (11) links to each other with steel ball (8), the other end of connecting rod (11) passes mount (10) and links to each other with separation blade (12) middle and lower part, separation blade (12) are through upset axis bracing piece (14) movable mounting in decompression casing (13).

5. A decompression type electric explosion valve according to claim 4, characterized in that the steel ball (8) is provided with a through hole, and a sealing rubber ring is arranged at the contact position of the steel ball (8) and the step at the front end of the decompression shell (13).

6. A pressure reducing type electric explosion valve according to claim 4, wherein the blocking piece (12) is provided with a groove on the circumferential surface, and a sealing rubber ring (15) is embedded in the groove.

7. A pressure reducing type squib door according to claim 1, characterized in that said igniter (5) is sealed at the rear end of the housing assembly (1) by means of a gasket (16).