CN215487691U

CN215487691U - Pressure reducing and stabilizing valve for gas engine

Info

Publication number: CN215487691U
Application number: CN202121269040.8U
Authority: CN
Inventors: 陈磊
Original assignee: Liaoning Xingsheng High Tech Co ltd
Current assignee: Liaoning Xingsheng High Tech Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-11
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a pressure reducing and stabilizing valve for a gas engine, which comprises a valve seat, wherein the top of the valve seat is provided with a through hole and a thread adjusting rod, the thread adjusting rod movably penetrates through and extends to the bottom of the valve seat, the bottom of the thread adjusting rod is fixedly provided with a connecting rod, the bottom of the connecting rod is fixedly provided with a valve rod, the bottom of the valve rod is fixedly provided with a sealing washer, and the sealing washer moves on the surface of the valve seat. The utility model drives the connecting rod by rotating the thread adjusting rod, and the connecting rod drives the valve rod, so that the valve rod slowly drives the sealing washer to be spirally downwards attached to the valve seat, thereby achieving the basic function of the valve.

Description

Pressure reducing and stabilizing valve for gas engine

Technical Field

The utility model relates to the technical field of pressure reducing and stabilizing valves, in particular to a pressure reducing and stabilizing valve for a gas engine.

Background

The pressure reducing valve is used for controlling the opening degree of an opening and closing part in a valve body to adjust the flow of a medium, so that the pressure of the medium is reduced, meanwhile, the opening degree of the opening and closing part is adjusted under the action of the pressure behind the valve, so that the pressure behind the valve is kept in a certain range, and under the condition that the inlet pressure is continuously changed, the outlet pressure is kept in a set range, so that the subsequent life and production appliances are protected.

However, in the prior art, when the pressure reducing valve of the gas engine is in actual use, the integrity of the rubber sealing gasket can be damaged due to the instantaneous high temperature of the gas when the gas passes through the pressure reducing valve for a long time, so that the sealing performance of the opening and closing part can be further damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure reducing and stabilizing valve for a gas engine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the pressure reducing and stabilizing valve for the gas engine comprises a valve seat, wherein a thread adjusting rod is arranged at the top of the valve seat in a threaded mode, the thread adjusting rod penetrates through the bottom of the valve seat in a movable mode and extends to the bottom of the valve seat, a connecting rod is fixedly arranged at the bottom of the thread adjusting rod, a valve rod is fixedly arranged at the bottom of the connecting rod, a sealing washer is fixedly arranged at the bottom of the valve rod, and the sealing washer moves on the surface of the valve seat.

Preferably, the air inlet pipe is fixedly arranged at one end of the right side of the valve seat, and the air outlet pipe is fixedly arranged at one end of the left side of the valve seat.

Preferably, a micro condenser is fixedly arranged on the inner wall of the valve seat.

Preferably, a spring is fixedly arranged on the surface of the connecting rod.

Preferably, the peripheral surface of the sealing washer is fixedly provided with a threaded ring, the inner wall of the valve seat is fixedly provided with a threaded sleeve, and the threaded ring is in threaded connection with the threaded sleeve.

Preferably, a cleaning block is fixedly arranged on the peripheral surface of the valve rod and rotates on the inner wall of the valve seat.

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

1. according to the utility model, the screw thread adjusting rod is rotated to drive the connecting rod, the connecting rod drives the valve rod, so that the valve rod slowly drives the sealing washer to be spirally downwards attached to the valve seat, thereby achieving the basic function of the valve, but the sealing washer and the valve seat of the existing pressure stabilizing valve are poor in sealing performance due to poor contact caused by old problems, the micro condenser is arranged on the inner wall of the valve seat, when gas enters the valve seat from the inside of the gas inlet pipe, the temperature of the gas with the temperature is reduced through the micro condenser, so that the material of the sealing washer is further protected, the material of the sealing washer is prevented from being damaged due to overhigh temperature of the gas, and the sealing performance of the sealing washer is protected;

2. the surface of the valve rod is provided with the cleaning block, fuel gas can form oil stain on the inner wall of the valve seat after passing through the interior of the valve seat, the cleaning block is arranged on the surface of the valve rod, the cleaning block and the inner wall of the valve seat are driven to rotate while the valve rod rotates, so that the oil stain on the inner wall of the valve seat is completely removed, a hollow cavity in the valve seat is not influenced, meanwhile, the surface of the sealing washer is provided with the threaded ring, and the sealing washer and the interior of the valve seat are fixed by adjusting the threaded connection between the threaded ring and the threaded sleeve, so that the sealing performance of the sealing washer is better improved.

Drawings

FIG. 1 is a front sectional view of the overall structure of a pressure reducing and stabilizing valve for a gas engine according to the present invention;

FIG. 2 is a schematic view of a structure near a threaded sleeve of a pressure reducing and stabilizing valve for a gas engine;

fig. 3 is a schematic view showing a structure near a pressure reducing and stabilizing valve spring for a gas engine according to the present invention.

In the figure: 1. a valve seat; 2. a threaded adjusting rod; 3. a spring; 4. a valve stem; 5. a sealing gasket; 6. a micro condenser; 7. an air inlet pipe; 8. an air outlet pipe; 9. a connecting rod; 10. a threaded ring; 11. a threaded bushing; 12. and (4) cleaning the block.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a gas engine is with decompression surge damping valve, includes disk seat 1, and through-hole threaded connection has screw thread adjusting rod 2 to be seted up at disk seat 1's top, and screw thread adjusting rod 2 activity runs through and extends to disk seat 1's bottom, and screw thread adjusting rod 2's bottom fixed mounting has connecting rod 9, and the bottom fixed mounting of connecting rod 9 has valve rod 4, and the bottom fixed mounting of valve rod 4 has seal ring 5, and seal ring 5 is at disk seat 1's surface activity.

An air inlet pipe 7 is fixedly arranged at one end of the right side of the valve seat 1, and an air outlet pipe 8 is fixedly arranged at one end of the left side of the valve seat 1.

The inner wall of the valve seat 1 is fixedly provided with a micro condenser 6.

The surface of the connecting rod 9 is fixedly provided with a spring 3.

The peripheral surface of the sealing washer 5 is fixedly provided with a threaded ring 10, the inner wall of the valve seat 1 is fixedly provided with a threaded sleeve 11, and the threaded ring 10 is in threaded connection with the threaded sleeve 11.

The cleaning block 12 is fixedly arranged on the peripheral surface of the valve rod 4, and the cleaning block 12 rotates on the inner wall of the valve seat 1.

The working principle is as follows: when in use, the utility model rotates the threaded adjusting rod 2, so that the threaded adjusting rod 2 drives the connecting rod 9, the connecting rod 9 drives the valve rod 4, the valve rod 4 slowly drives the sealing washer 5 to be spirally attached to the valve seat 1 downwards, thereby realizing the basic function of the valve, but the sealing washer 5 and the valve seat 1 of the prior pressure stabilizing valve have poor sealing performance due to poor contact caused by old problems, the micro condenser 6 is arranged on the inner wall of the valve seat 1, when gas enters the valve seat 1 from the inside of the gas inlet pipe 7, the temperature of the gas with temperature can be reduced through the micro condenser 6, thereby further protecting the material of the sealing washer 5, preventing the sealing washer 5 from damaging the material due to overhigh temperature of the gas, protecting the sealing performance of the sealing washer 5, and simultaneously, the utility model also arranges the cleaning block 12 on the surface of the valve rod 4, the gas can form the oil stain at the inner wall of disk seat 1 after through the inside of disk seat 1, be provided with clean piece 12 through the surface at valve rod 4, drive clean piece 12 and disk seat 1's inner wall when valve rod 4 is in the pivoted and take place to rotate, thereby clear away the oil stain part of disk seat 1 inner wall totally, from not influencing the cavity of disk seat 1 inside, still be provided with screw ring 10 on seal ring 5's surface simultaneously, through adjusting threaded connection mutually between screw ring 10 and the threaded sleeve 11, fix seal ring 5 and disk seat 1's inside, better increase seal ring 5's leakproofness.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a gas engine is with decompression surge damping valve, includes disk seat (1), its characterized in that: the top of disk seat (1) is seted up through-hole screw thread and is provided with screw thread adjusting rod (2), screw thread adjusting rod (2) activity runs through and extends to the bottom of disk seat (1), the fixed connecting rod (9) that is provided with in bottom of screw thread adjusting rod (2), the fixed valve rod (4) that is provided with in bottom of connecting rod (9), the fixed seal ring (5) that is provided with in bottom of valve rod (4), seal ring (5) are at the surface activity of disk seat (1).

2. A pressure reducing and stabilizing valve for a gas engine as claimed in claim 1, wherein: the air inlet pipe (7) is fixedly arranged at one end of the right side of the valve seat (1), and the air outlet pipe (8) is fixedly arranged at one end of the left side of the valve seat (1).

3. A pressure reducing and stabilizing valve for a gas engine as claimed in claim 1, wherein: the inner wall of the valve seat (1) is fixedly provided with a micro condenser (6).

4. A pressure reducing and stabilizing valve for a gas engine as claimed in claim 1, wherein: and a spring (3) is fixedly arranged on the surface of the connecting rod (9).

5. A pressure reducing and stabilizing valve for a gas engine as claimed in claim 1, wherein: the periphery surface of seal ring (5) is fixed and is provided with threaded ring (10), the inner wall of disk seat (1) is fixed and is provided with threaded sleeve pipe (11), threaded ring (10) and threaded sleeve pipe (11) threaded connection.

6. A pressure reducing and stabilizing valve for a gas engine as claimed in claim 1, wherein: the cleaning block (12) is fixedly arranged on the peripheral surface of the valve rod (4), and the cleaning block (12) rotates on the inner wall of the valve seat (1).