CN217502629U

CN217502629U - Anti-vibration boosting type one-way valve

Info

Publication number: CN217502629U
Application number: CN202220899012.2U
Authority: CN
Inventors: 常志龙; 魏德普
Original assignee: Tianjin Hangyu Zhuoran Technology Co ltd
Current assignee: Tianjin Hangyu Zhuoran Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-27
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a check valve technical field specifically is an anti-vibration reinforcement formula check valve, including left casing, spring, right casing, spring holder and montage mechanism, the right casing of one side fixedly connected with of left side casing, the inside movable mounting of left side casing and right casing has the case, the one end fixed mounting of case has the restrictor ring, the other end threaded connection of case has the spring holder, one side fixed mounting that the spring holder is close to the case has the spring, the reinforcing chamber has been seted up with one side that the restrictor ring is corresponding to left side casing. The flow-limiting ring is arranged at the valve core, the acting force of high-pressure gas on the valve core is fully utilized, the fault modes of fluttering and the like of the valve core at a balance position under a small-flow working condition are avoided, the valve core is quickly stabilized at a limit stroke position by arranging the forcing cavity, the stable state of the valve core is achieved, the service life of the check valve is prolonged, the stable working interval of the check valve is effectively expanded, the check valve is suitable for a full-flow pressurization working condition, and therefore the reliability of a system is further improved.

Description

Anti-vibration boosting type one-way valve

Technical Field

The utility model relates to a check valve technical field specifically is an anti-vibration reinforcement formula check valve.

Background

The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems. The one-way valve has a straight-through type and a right-angle type. The straight-through one-way valve is installed on the pipeline by threaded connection. The right-angle check valve has three forms of threaded connection, plate connection and flange connection, and is mainly used for pressurizing a liquid carrier rocket or a missile weapon storage tank and for forward conduction and reverse interception of a medium in a pressurizing pipeline at present. At present, double check valves are mostly adopted in the liquid carrier rocket or missile weapon pressurizing road to realize the cut-to-redundant sealing of the gas path in series, and the existing check valves have certain defects to be perfected;

in the process of pressurization of the existing check valve, when small-flow pressurization is adopted, the pressurization check valve is easy to vibrate, under the working condition of small flow, a valve core in the pressurization check valve is in a critical balance state, when fluid is disturbed, the valve core is easy to move at the balance position, the vibration is caused, even the resonance of a pipeline system is caused, and the systematic damage is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-vibration reinforcement formula check valve to solve the problem that provides among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-vibration reinforcement formula check valve, includes left casing, spring, right casing, spring holder and montage mechanism, the right casing of one side fixedly connected with of left side casing, the inside movable mounting of left side casing and right casing has the case, the one end fixed mounting of case has the restrictor ring, the other end threaded connection of case has the spring holder, one side fixed mounting that the spring holder is close to the case has the spring, the reinforcing chamber has been seted up with the corresponding one side of restrictor ring to left side casing, the valve pocket has been seted up to the inside of right side casing, montage mechanism installs on left casing.

Preferably, the assembling mechanism comprises a mounting ring and mounting grooves, the mounting ring is mounted on the outer ring of the left shell, and four mounting grooves are formed in the mounting ring.

Preferably, one side of the restrictor ring is in contact with the corresponding side of the left shell.

Preferably, a valve seat is arranged on one side of the right shell corresponding to the left shell, and the valve core is in contact with the valve seat.

Preferably, the inside of mounting groove is equipped with the screw thread, the threaded rod has been cup jointed to the inside screw thread of mounting groove.

Preferably, the cross section of the valve cavity is circular, and the diameter of the valve cavity is 10mm-15 mm.

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

in the utility model, the flow-limiting ring is arranged at the valve core part, so that the acting force of high-pressure gas on the valve core is fully utilized, and the fault modes of fluttering and the like of the valve core at the balance position under the working condition of small flow are avoided;

the utility model discloses in, make case rapid stabilization in spacing stroke department through setting up the chamber of exerting force, reach the steady state of case, improved the life of check valve, effectively extended its stable work interval, be applicable to the full flow pressure boost operating mode to the reliability of system has further been improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic diagram of the right-side view structure of the present invention;

fig. 4 is a schematic sectional view of the present invention.

In the figure: 1. a left housing; 2. a spring; 3. a right housing; 4. a spring seat; 5. a valve core; 6. a flow-limiting ring; 7. a stress application cavity; 8. a valve cavity; 9. a mounting ring; 10. and (7) installing a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff with ordinary skill in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an anti-vibration reinforcement formula check valve, includes left casing 1, spring 2, right casing 3, spring holder 4 and montage mechanism, one side fixedly connected with right casing 3 of left side casing 1, the inside movable mounting of left side casing 1 and right casing 3 has case 5, the one end fixed mounting of case 5 has restrictor ring 6, the other end threaded connection of case 5 has spring holder 4, one side fixed mounting that spring holder 4 is close to case 5 has spring 2, reinforcing chamber 7 has been seted up to one side that left side casing 1 and restrictor ring 6 correspond, valve pocket 8 has been seted up to the inside of right side casing 3, montage mechanism installs on left casing 1.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the assembling mechanism includes a mounting ring 9 and mounting grooves 10, the mounting ring 9 is mounted on the outer ring of the left housing 1, and four mounting grooves 10 are formed in the mounting ring 9.

In this embodiment, as shown in fig. 2 and 4, one side of the restrictor ring 6 contacts with a corresponding side of the left housing 1.

In this embodiment, as shown in fig. 1, 2, 3 and 4, a valve seat is disposed on a side of the right housing 3 corresponding to the left housing 1, and the valve element 5 contacts with the valve seat.

In this embodiment, as shown in fig. 1, 2 and 3, a thread is provided inside the mounting groove 10, and a threaded rod is sleeved on the thread inside the mounting groove 10.

In this embodiment, as shown in fig. 1 and 4, the cross section of the valve cavity 8 is circular, and the diameter of the valve cavity 8 is between 10mm and 15 mm.

The utility model discloses a use method and advantage: when the anti-vibration reinforcement type check valve is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the device is used, firstly, an external power supply is applied to the electric equipment in the device, after gas enters the valve cavity 8 from the right side, the valve core 5 is forced to move rightwards, the valve core 5 is separated from the valve seat on the shell, as the valve core 5 is opened, the stress application cavity 7 is filled with high-pressure gas, the high-pressure gas acts on the end face of the whole flow limiting ring 6, the valve core 5 is accelerated to be opened leftwards, so that the valve core 5 is rapidly stabilized at the limit stroke position to reach the stable state of the valve core 5, when the high-pressure gas is removed from the right side in the closing process, the spring seat 4 drives the valve core 5 to move rightwards under the action of the spring 2, the valve core 5 is contacted with the valve seat of the shell, and the one-way valve is closed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an anti-vibration reinforcement formula check valve, includes left casing (1), spring (2), right casing (3), spring holder (4) and montage mechanism, its characterized in that: one side fixedly connected with right casing (3) of left side casing (1), the inside movable mounting of left side casing (1) and right casing (3) has case (5), the one end fixed mounting of case (5) has restrictor ring (6), the other end threaded connection of case (5) has spring holder (4), one side fixed mounting that spring holder (4) are close to case (5) has spring (2), stress cavity (7) have been seted up with restrictor ring (6) corresponding one side in left side casing (1), valve pocket (8) have been seted up to the inside of right side casing (3), the montage mechanism is installed on left casing (1).

2. An anti-flutter booster check valve according to claim 1, wherein: the assembling mechanism comprises a mounting ring (9) and mounting grooves (10), the mounting ring (9) is mounted on the outer ring of the left shell (1), and four mounting grooves (10) are formed in the mounting ring (9).

3. An anti-flutter booster check valve according to claim 1, wherein: one side of the flow limiting ring (6) is contacted with the corresponding side of the left shell (1).

4. An anti-flutter booster check valve according to claim 1, wherein: and a valve seat is arranged on one side of the right shell (3) corresponding to the left shell (1), and the valve core (5) is contacted with the valve seat.

5. An anti-flutter booster check valve according to claim 2, wherein: the mounting groove is characterized in that threads are arranged inside the mounting groove (10), and a threaded rod is sleeved on the threads inside the mounting groove (10).

6. An anti-flutter booster check valve according to claim 1, wherein: the cross section of the valve cavity (8) is circular, and the diameter of the valve cavity (8) is 10-15 mm.