CN219432184U - High-flow reusable on-off valve structure - Google Patents

Abstract

The utility model discloses a high-flow reusable on-off valve structure which comprises an on-off valve shell, a guide rod and an inflatable bolt, wherein a protection seat, a valve, the guide rod and a spring are arranged in the on-off valve shell; the utility model adds the inflation reset function at the corresponding structure of the on-off valve under the high-flow working condition so as to achieve the aim of recycling; the device has the advantages of simple structure, convenient operation mode, capability of being repeatedly utilized under the working condition of large flow and stable and reliable performance.

Description

High-flow reusable on-off valve structure

Technical Field

The utility model relates to the technical field of on-off valves, in particular to a high-flow recyclable on-off valve structure.

Background

In the transmitting equipment, an on-off valve is needed to control the on-off of a hydraulic driving transmitting system, so that the smooth proceeding of the whole transmitting task is promoted; in the case of the conventional disposable transmitting device, there is always a face of low transmitting efficiency and high cost; the sealing ring is dropped due to overlarge pipeline flow and fluid impact, and the power of the transmitting device is insufficient or the transmitting device is failed due to various factors. Therefore, there is a need for an on-off valve that can be reused, has reliable sealing performance, and can be used in large flows to meet the requirements of hydraulically driven emission systems.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the high-flow reusable on-off valve structure, after a one-time emission task is finished, the device can be reused for continuing the emission work in the high-flow work, the structural design is simple, the production and design cost is reduced, the emission efficiency is improved, meanwhile, the high-flow reusable on-off valve structure has reliable sealing performance and state stability in the high-flow work state, the sealing ring is ensured not to be impacted and fallen off by fluid, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but high-flow reuse's break-make valve structure, includes break-make valve casing, guide bar and aerifys the bolt, be provided with protection seat, valve, guide bar, spring in the break-make valve casing, the break-make valve casing comprises last casing and lower casing, the upper end inner wall connection of protection seat and lower casing, valve and protection seat sliding fit, and be provided with sealing washer I between valve and the protection seat, in the upper end of guide bar inserts the last spacing downthehole of upper casing, the lower extreme and the valve center fixed connection of guide bar, and be provided with the spring on the guide bar, be provided with spacing hole down in the casing down, spacing hole and valve clearance fit down, and be provided with sealing washer IV down between spacing hole and the valve, be provided with on the casing down and aerify the bolt.

Further, one end of the inflation bolt is screwed into the lower limit hole, and a sealing ring V is arranged between the inflation bolt and the lower shell.

Further, the left side of going up the casing is provided with the oil inlet, goes up the upper end fixed connection of casing and lower casing, and goes up casing and lower casing fixed connection department and is provided with sealing washer II.

Further, a sealing ring III is arranged between the protection seat and the lower shell, the protection seat is in threaded connection with the lower shell, and an oil outlet is arranged at the lower end of the lower shell.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model adds the inflation reset function at the corresponding structure of the on-off valve under the high-flow working condition so as to achieve the aim of recycling; the structure is simple, the operation mode is convenient, the repeated utilization can be realized under the working condition of large flow, the performance is stable and reliable, the application range of the on-off valve is enlarged, meanwhile, the reliable sealing performance and the state stability can be realized under the working condition of large flow, and the sealing ring is ensured not to be impacted and fall off by fluid.

Drawings

FIG. 1 is a schematic view of an oil path closing structure according to the present utility model;

fig. 2 is a schematic view of an oil passage opening structure according to the present utility model.

In the figure: the device comprises an upper shell, a spring 2, a guide rod 3, a valve 4, a sealing ring 5, a sealing ring 6, a protection seat 7, a sealing ring 8, a sealing ring 9, an inflating bolt 10, a sealing ring 11, a lower shell 12, an upper limit hole 13 and a lower limit hole 14.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a high-flow repeatedly usable's on-off valve structure, including the on-off valve casing, guide bar 3 and aerify bolt 10, be provided with protection seat 7 in the on-off valve casing, valve 4, guide bar 3, spring 2, the on-off valve casing comprises upper casing 1 and lower casing 12, protection seat 7 and the upper end inner wall connection of lower casing 12, valve 4 and protection seat 7 sliding fit, and be provided with sealing washer I5 between valve 4 and the protection seat 7, the upper end of guide bar 3 inserts in the upper spacing hole 13 of upper casing 1, the lower extreme and the valve 4 center fixed connection of guide bar 3, and be provided with spring 2 on the guide bar 3, be provided with down spacing hole 14 in the lower casing 12, upper end restriction to guide bar 3 is passed through to lower spacing hole 14, and lower extreme restriction to valve 4, and then limit its upper and lower position, ensure that valve 4 removes the position accurately, the lower limit hole 14 is in clearance fit with the valve 4, a sealing ring IV 9 is arranged between the lower limit hole 14 and the valve 4, an inflatable plug 10 is arranged on the lower shell 12, one end of the inflatable plug 10 is screwed into the lower limit hole 14, a sealing ring V11 is arranged between the inflatable plug 10 and the lower shell 12, the on-off valve is controlled to be closed and opened by screwing in and out the inflatable plug 10, the valve 4 moves to a preset position against the force of a spring 2 and the fluid hydraulic pressure by inflating the inflatable plug 10, the inflatable plug 10 can be screwed in, namely, the recycling is realized, a protection seat 7 is designed in the on-off valve shell, the sealing ring I5 on the valve 4 can be effectively protected from being impacted and falling off under the opening state of an oil way, the valve 4 can be precisely moved along the required direction by the guiding action of a guide rod 3 and the pressure exerted by the spring 2, the impact caused by large-flow impact is reduced, the bouncing of the valve 4 is not caused, and the smooth progress of the launching task is ensured.

The left side of going up casing 1 is provided with the oil inlet, goes up casing 1 and the upper end fixed connection of casing 12 down, and goes up casing 1 and casing 12 fixed connection department down and be provided with sealing washer II 6, sealing washer II 6 increase the sealing performance of casing 1 and casing 12 junction down, prevents the casing oil leak.

A sealing ring III 8 is arranged between the protection seat 7 and the lower shell 12, the protection seat 7 is in threaded connection with the lower shell 12, and an oil outlet is arranged at the lower end of the lower shell 12.

As shown in fig. 1, the inflatable latch 10 is in a screwed state and the oil path is closed; the valve 4 is jacked up by the inflation bolt 10, so that the inflation bolt 10 is in a closed state under the condition of high flow; the upper limit hole 13 of the upper shell 1 limits the movement position of the valve 4, so that the valve 4 is ensured to be in a position capable of being reliably sealed, and the oil way is in a closed state.

As shown in fig. 2, the inflatable latch 10 is in the unscrewed state and the oil path is opened; the valve 4 moves to the protection seat 7 along the guide rod 3 accurately under the action of the spring force exerted by the spring 2 and the hydraulic force exerted by the fluid; the sealing ring I5 is prevented from falling off under the high-flow working state, and the valve 4 is prevented from bouncing under the high-flow impact due to the existence of elastic force; thereby improving the success rate of the transmitting task.

After a transmitting task, the valve 4 is reset by inflating the inflating bolt 10, so that the oil way is in a closed state; and screwed into the inflatable latch 10 to bring the product into an initial state ready for a re-launch task; and the repeated use is realized, so that the emission efficiency is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a but high-flow reuse's on-off valve structure, includes on-off valve casing, guide bar (3) and aerifys bolt (10), its characterized in that: be provided with protection seat (7), valve (4), guide bar (3), spring (2) in the break-make valve casing, the break-make valve casing comprises last casing (1) and lower casing (12), protection seat (7) and the upper end inner wall connection of lower casing (12), valve (4) and protection seat (7) sliding fit, and be provided with sealing washer I (5) between valve (4) and the protection seat (7), in last spacing hole (13) of upper casing (1) are inserted to the upper end of guide bar (3), the lower extreme and the valve (4) center fixed connection of guide bar (3), and be provided with spring (2) on guide bar (3), be provided with spacing hole (14) down in lower casing (12), spacing hole (14) and valve (4) clearance fit down, be provided with sealing washer IV (9) between spacing hole (14) and the valve (4) down, be provided with on lower casing (12) and aerify bolt (10).

2. The high-flow reusable on-off valve structure as claimed in claim 1, wherein: one end of the inflation bolt (10) is screwed into the lower limit hole (14), and a sealing ring V (11) is arranged between the inflation bolt (10) and the lower shell (12).

3. The high-flow reusable on-off valve structure as claimed in claim 1, wherein: an oil inlet is formed in the left side of the upper shell (1), the upper shell (1) is fixedly connected with the upper end of the lower shell (12), and a sealing ring II (6) is arranged at the fixedly connected position of the upper shell (1) and the lower shell (12).

4. The high-flow reusable on-off valve structure as claimed in claim 1, wherein: a sealing ring III (8) is arranged between the protection seat (7) and the lower shell (12), the protection seat (7) is in threaded connection with the lower shell (12), and an oil outlet is arranged at the lower end of the lower shell (12).