CN217153142U

CN217153142U - Pilot-operated type vacuum relief valve

Info

Publication number: CN217153142U
Application number: CN202220950444.1U
Authority: CN
Inventors: 崔学文
Original assignee: Liaoning Saint Wright Petrochemical Equipment Co ltd
Current assignee: Liaoning Saint Wright Petrochemical Equipment Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-09
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a guide's formula vacuum relief valve, including valve body and disk seat, seal ring is installed to the inside both ends surface position symmetry of valve body, the inside bottom surface position fixed mounting of valve body has the valve clack, the inside bottom surface intermediate position of valve clack is equipped with the discharge opening. The utility model discloses a, the regulation carousel has been adopted, fastening screw, in the in-service use process, can adjust the device according to required discharge pressure intensity, only need roll out fastening screw, then rotate the regulation carousel, make connecting gear drive the threaded rod and rotate, make the regulating plate remove suitable position with this, then fix fastening screw once more, the displacement through the regulating plate comes to control the compression capacity of spring, realize different discharge pressure adjustment, no longer need the manual work to open the device, unusual convenience, it is adjustable to have discharge pressure, adjust convenient advantage.

Description

Pilot-operated type vacuum relief valve

Technical Field

The utility model relates to a bleeder valve technical field particularly, relates to a guide's formula vacuum bleeder valve.

Background

The discharge valve adjusts the flow of the medium by controlling the opening degree of the opening and closing member in the valve body.

In the in-service use process, the most relief pressure of a current guide type vacuum relief valve is fixed, need to change different relief valves to different demands, caused the excessive consumption of fund, the device that has pressure adjustment is adjusted and is comparatively loaded down with trivial details again, need frequent dismouting to the device, it is not very convenient, and the connection leakproofness of device is because the increase of length when using, can weaken gradually, influence safe in utilization, certain limitation has.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art's not enough, the utility model provides a guide's formula vacuum relief valve possesses that the pressure of releasing is adjustable, the leakproofness is good, adjust convenient advantage, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For the advantage that realizes that above-mentioned relief pressure is adjustable, the leakproofness is good, adjust convenient, the utility model discloses a concrete technical scheme as follows:

a pilot-operated vacuum relief valve comprises a valve body and a valve seat, wherein sealing gaskets are symmetrically mounted on the surface positions of two ends in the valve body, a valve clack is fixedly mounted on the surface position of the bottom end in the valve body, a relief opening is formed in the middle position of the bottom end surface in the valve clack, threaded rods are symmetrically mounted on the surface positions of two sides of the top end of the valve clack, a connecting gear is fixedly mounted on the surface position of the top of each threaded rod, one end of each connecting gear penetrates through one side of the valve body and is connected with an adjusting rotary table, an adjusting plate is sleeved on the periphery of each threaded rod, a spring is arranged in the middle position of the bottom surface of the adjusting plate, and a spring seat is connected to the surface position of the bottom of the spring.

Further, the deflector is installed to inside both sides surface top position symmetry of valve body, deflector top surface intermediate position is equipped with the spout, the inside intermediate position sliding connection of spout has the mounting panel.

Furthermore, the surface of one end of the mounting plate is in threaded connection with a connecting pipe wall.

Furthermore, a valve seat is fixedly arranged on the surface of the bottom of the valve body.

Furthermore, a connecting ring is fixedly arranged on the top surface of the valve body.

Furthermore, a plurality of groups of fastening screws are symmetrically and uniformly arranged on the surface positions of two sides of the valve body.

Furthermore, the middle positions of the surfaces of the two sides of the adjusting plate are symmetrically provided with positioning holes for clamping and connecting the fastening screws.

Further, the sealing washer is made of rubber.

(III) advantageous effects

Compared with the prior art, the utility model provides a guide's formula vacuum relief valve possesses following beneficial effect:

(1) the utility model discloses a, the utility model discloses an, the regulation carousel has been adopted, fastening screw, in the in-service use process, can adjust the device according to required discharge pressure intensity, only need roll out fastening screw, then rotate the regulation carousel, make connecting gear drive the threaded rod and rotate, make the regulating plate remove suitable position with this, then fix fastening screw once more, the displacement through the regulating plate comes to control the compression capacity of spring, realize different discharge pressure adjustment, no longer need the manual work to open the device, unusual convenience, it is adjustable to have discharge pressure, adjust convenient advantage.

(2) The utility model discloses a, seal ring has been adopted, the mounting panel, in the in-service use process, seal ring through inside both ends installation can strengthen the holistic leakproofness of device, and on the basis once more, the mounting panel through the deflector surface can be fixed external pipe wall, because the removal that the internal pressure reinforcing can lead to the mounting panel, the extrusion pressure degree to connecting the pipe wall is strengthened to the removal through the mounting panel, with this strengthen with the joint strength who is connected the pipe wall, avoid the device to take place to drop, have the good advantage of leakproofness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a pilot-operated vacuum relief valve according to the present invention;

fig. 2 is a schematic structural view of the guide plate of the present invention;

FIG. 3 is a schematic structural diagram of the adjusting plate of the present invention;

fig. 4 is a schematic structural view of the sealing gasket of the present invention.

In the figure:

1. a valve body; 2. a valve clack; 3. a discharge port; 4. a spring seat; 5. a threaded rod; 6. fastening a screw rod; 7. an adjusting plate; 8. adjusting the turntable; 9. a connecting gear; 10. a guide plate; 11. connecting the pipe walls; 12. a connecting ring; 13. a sealing gasket; 14. mounting a plate; 15. a chute; 16. positioning holes; 17. a spring; 18. a valve seat.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a guide's formula vacuum relief valve.

Now combine the attached drawing and detailed description mode to the utility model discloses explain the further, as shown in fig. 1-4, according to the utility model discloses a guide's formula vacuum relief valve, including valve body 1 and disk seat 18, seal ring 13 is installed to 1 inside both ends surface position symmetry of valve body, 1 inside bottom surface position fixed mounting of valve body has

valve clack

2, 2 inside bottom surface intermediate position of valve clack are equipped with the

discharge opening

3, 2 top both sides surface position symmetry in valve clack install threaded

rod

5, 5 top surface position fixed mounting of threaded rod has connecting gear 9, connecting gear 9 one end runs through valve body 1 one side and is connected with regulation carousel 8, regulating plate 7 has been cup jointed to threaded rod 5 periphery, regulating plate 7 bottom surface intermediate position is equipped with spring 17, spring 17 bottom surface position is connected with spring holder 4.

In one embodiment, the top ends of the two side surfaces inside the valve body 1 are symmetrically provided with the guide plates 10, the middle position of the top surface of the guide plate 10 is provided with the sliding groove 15, the middle position inside the sliding groove 15 is connected with the mounting plate 14 in a sliding manner, in the actual use process, the mounting plate 14 can be moved due to the increase of the internal pressure, the extrusion force degree of the mounting plate 14 to the connecting pipe wall 11 is increased through the movement of the mounting plate 14, so that the connection strength with the connecting pipe wall 11 is increased, and the device is prevented from falling off.

In one embodiment, a connection pipe wall 11 is screwed to one end surface of the mounting plate 14, and the connection pipe wall 11 refers to an external pipe wall connected with the device.

In one embodiment, a valve seat 18 is fixedly installed on the bottom surface of the valve body 1.

In one embodiment, the top surface of the valve body 1 is fixedly provided with the connecting ring 12, and the connecting strength of the device and the external pipeline can be enhanced through the connecting ring 12.

In one embodiment, a plurality of groups of fastening screws 6 are symmetrically and uniformly arranged on the two side surface positions of the valve body 1, and the adjusting plate 7 can be fixed through the fastening screws 6.

In one embodiment, the middle positions of the two side surfaces of the adjusting plate 7 are symmetrically provided with positioning holes 16 for clamping of the fastening screws 6, the adjusting plate 7 can be fixed through the matching use of the positioning holes 16 and the fastening screws 6, the adjusting plate is prevented from moving due to pressure change in use, and the use constancy of the device is guaranteed.

In one embodiment, the sealing washer 13 is made of rubber, and the sealing performance of the whole device can be enhanced through the sealing washer (13).

The working principle is as follows: in the actual use process, the device can be adjusted according to the required discharge pressure intensity, only the fastening screw 6 needs to be rotated out, then the adjusting turntable 8 is rotated, so that the connecting gear 9 drives the threaded rod 5 to rotate, the adjusting plate 7 is moved to a proper position, then the fastening screw 6 is fixed again, the compression amount of the spring 17 is controlled by the position movement of the adjusting plate 7, different discharge pressure adjustments are realized, the device does not need to be manually opened any more, the convenience is very high, after the discharge pressure adjustment is finished, the whole tightness of the device can be enhanced through the sealing gaskets 13 arranged at the two inner ends, on the basis of the second time, the mounting plate 14 on the surface of the guide plate 10 can fix the external pipe wall, the mounting plate 14 can be moved due to the increase of the internal pressure, the extrusion force on the connecting pipe wall 11 is enhanced through the movement of the mounting plate 14, therefore, the connection strength of the connection pipe wall 11 is strengthened, the device is prevented from falling off, and the whole device has the advantages of adjustable discharge pressure, good sealing performance and convenience in adjustment.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pilot-operated vacuum relief valve comprises a valve body (1) and a valve seat (18), it is characterized in that sealing gaskets (13) are symmetrically arranged on the surfaces of two ends in the valve body (1), a valve clack (2) is fixedly arranged on the surface of the bottom end inside the valve body (1), a discharge opening (3) is arranged in the middle of the surface of the bottom end inside the valve clack (2), threaded rods (5) are symmetrically arranged on the surface positions of two sides of the top end of the valve clack (2), a connecting gear (9) is fixedly arranged on the top surface of the threaded rod (5), one end of the connecting gear (9) penetrates through one side of the valve body (1) and is connected with the adjusting turntable (8), adjusting plate (7) have been cup jointed to threaded rod (5) periphery, adjusting plate (7) bottom surface intermediate position is equipped with spring (17), spring (17) bottom surface position is connected with spring holder (4).

2. The pilot-operated vacuum relief valve according to claim 1, characterized in that the top end of the two side surfaces inside the valve body (1) is symmetrically provided with a guide plate (10), the middle position of the top surface of the guide plate (10) is provided with a sliding groove (15), and the middle position inside the sliding groove (15) is slidably connected with a mounting plate (14).

3. Piloted vacuum relief valve as in claim 2, characterized in that said mounting plate (14) has a connection tube wall (11) screwed in place on one end surface.

4. Piloted vacuum relief valve as in claim 1, characterized in that said valve body (1) bottom surface is fixed in position with a seat (18).

5. Piloted vacuum relief valve as in claim 1, characterized in that said valve body (1) has a connection ring (12) fixed in position on the top surface.

6. The pilot-operated vacuum relief valve according to claim 1, characterized in that a plurality of sets of fastening screws (6) are symmetrically and uniformly arranged on the two side surfaces of the valve body (1).

7. The pilot-operated vacuum relief valve according to claim 1, wherein the adjusting plate (7) is symmetrically provided with positioning holes (16) at the middle positions of the two side surfaces for clamping the fastening screw (6).

8. Piloted vacuum relief valve as in claim 1, characterized in that said sealing gasket (13) is made of rubber.