CN221171814U

CN221171814U - Fault opening director

Info

Publication number: CN221171814U
Application number: CN202322669913.XU
Authority: CN
Inventors: 邹文胜
Original assignee: Zigong Ti Well Valve Manufacturing Co ltd
Current assignee: Zigong Ti Well Valve Manufacturing Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-06-18
Anticipated expiration: 2033-10-07

Abstract

The utility model discloses a fault opening director which solves the problems that the fault opening director cannot adapt to large-scale pressure regulation and reduces the service efficiency, and comprises a director main body, a first spring and a second spring, wherein a driving pressure pipe is arranged on the left side wall of the director main body, a first feedback pressure pipe and a second feedback pressure pipe are respectively arranged on the upper end and the right side wall of the director main body, a first connecting plate is arranged at the upper end of the inside of the director main body, the first feedback pressure pipe penetrates through the inside of the first connecting plate, the upper end of the first spring is connected to the lower side wall of the first connecting plate, the lower end of the first spring is connected with a first pressing plate, the first pressing plate is in sealed sliding connection with the inner side wall of the director main body, and flows through a flow restrictor (for regulating the reaction speed) to form driving pressure (driving) and a main diaphragm, and then the driving pressure is regulated by the fault director.

Description

Fault opening director

Technical Field

The utility model relates to the technical field of directors, in particular to a fault opening director.

Background

The gas pressure regulator is specially suitable for being used as gas pressure regulating equipment for regulating and stabilizing pressure in a gas transmission and distribution system, and is widely applied to gas transmission and distribution engineering. The gas outlet pressure regulator has the function of automatically regulating the gas outlet pressure to be stable in a certain pressure range, so as to meet the pressure value required by a user and meet the use requirement. And the director is matched with the gas pressure regulator for use, and adjusts the output pressure of the gas pressure regulator through the pressure regulating spring.

Through retrieval, the patent with the Chinese patent number of CN213420024U discloses a low-voltage regulation director, which comprises a valve body, wherein a lower film cover is arranged on the valve body, and an upper film cover is fixedly arranged on the lower film cover; a main diaphragm is arranged between the upper diaphragm cover and the lower diaphragm cover, and a main diaphragm loading cavity is formed between the main diaphragm and the lower diaphragm cover; the bottom of the valve body is provided with a bottom cover, an accommodating cavity is formed between the valve body and the bottom cover, an auxiliary diaphragm is arranged in the accommodating cavity, and an auxiliary diaphragm loading cavity is formed between the auxiliary diaphragm and the bottom cover; the valve body is internally provided with a valve rod, and the auxiliary diaphragm is provided with a movable valve matched with the valve rod; the valve body is provided with a director first air inlet A, a valve port is arranged at the position, which is communicated with the movable valve, of the director first air inlet A, and a valve port pad is arranged at the valve port. The utility model has accurate regulation, high control performance and good voltage stabilizing effect, can ensure that the voltage regulator continuously provides low-voltage driving load, works stably, can be matched with an indirect acting voltage regulator to perform low-voltage regulation, and can meet the industrial gas requirements of low voltage and large flow. However, when the device is used, the pressure inside the device cannot be stably changed because the device is not extruded by the air pressure matched with the screw after the screw is regulated, so that the device cannot adapt to the pressure regulation in a large range, and the use efficiency of the device is reduced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a fault opening director, which solves the problems that the fault opening director cannot adapt to large-scale voltage regulation and the service efficiency is reduced.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a director is opened to trouble, includes director main part, first spring and second spring, drive pressure pipe is installed to the left side wall of director main part, and first feedback pressure pipe and second feedback pressure pipe are installed respectively to upper end and right-hand member lateral wall, first connecting plate is installed to the inside upper end of director main part, and first feedback pressure pipe runs through in the inside of first connecting plate, the upper end of first spring is connected in the lower extreme lateral wall of first connecting plate, the lower extreme of first spring is connected with first clamp plate, the inside lateral wall sealing sliding connection of first clamp plate and director main part, the inside lower extreme of director main part is provided with the seal chamber, and the inside sliding connection of seal chamber has the supporting seat, the upper end of second spring is connected in the lower extreme of supporting seat, and the lower extreme of second spring is connected with the connecting seat.

Preferably, the inside screw hole that is provided with of lower extreme lateral wall of director main part, and the inside threaded connection of screw hole has adjusting screw, adjusting screw's end is connected in the lower extreme lateral wall of connecting seat with the rotation to can make the spring increase to the holding power of backup pad.

Preferably, the upper end of supporting seat is connected with the second clamp plate through the connecting rod, and second clamp plate sliding connection is in the inside lateral wall of seal chamber, the diameter of second clamp plate is greater than the upper end opening of seal chamber to can prevent the output of second clamp plate, make inside pressure increase and decrease functional efficiency reduce.

Preferably, a sealed space is formed between the first pressing plate and the first connecting plate, so that the first feedback pressure pipe can be enabled to be larger than the output pressure of the sealed space.

Preferably, the first feedback pressure pipe is a pressure reducing pressure pipe, and the second feedback pressure pipe is an output pressure pipe, so that the pressure is output to the inside of the director main body through the second feedback pressure pipe.

The utility model provides a fault opening director. The beneficial effects are as follows:

1. When the fault opening director is used, the fault opening director flows through a flow restrictor (reaction speed is regulated) through a first feedback pressure pipe to form driving pressure (driving pressure pipe), acts on a main diaphragm, and then the driving pressure is regulated by the fault opening director;

2. The fault opening director adopts a front-mounted type as driving pressure when the fault opening director is used. Has the advantages of wide driving pressure range, and the like. When the feedback pressure is abnormal, such as the feedback type pipe is blocked, the feedback acting force (0) and the first spring acting force are smaller than the second spring acting force, and the director sealing member is fully opened, so that the driving pressure is reduced to the minimum, the opening of the main valve is changed, and the opening of the main valve is opened to the maximum.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

In the figure, a 1-director main body, a 2-first feedback pressure pipe, a 3-second feedback pressure pipe, a 4-driving pressure pipe, a 5-sleeved screw rod, a 6-connecting plate, a 7-first spring, an 8-first pressing plate, a 9-second pressing plate, a 10-sealing chamber, an 11-supporting seat, a 12-connecting seat, a 13-threaded hole and a 14-second spring.

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, an embodiment of the utility model provides a fault opening director, which comprises a director main body 1, a first spring 7 and a second spring 14, wherein a driving pressure pipe 4 is installed on the left side wall of the director main body 1, a first feedback pressure pipe 2 and a second feedback pressure pipe 3 are respectively installed on the upper end and the right side wall of the director main body 1, a first connecting plate 6 is installed on the inner upper end of the director main body 1, the first feedback pressure pipe 2 penetrates through the inner portion of the first connecting plate 6, the upper end of the first spring 7 is connected with the lower side wall of the first connecting plate 6, the lower end of the first spring 7 is connected with a first pressing plate 8, the first pressing plate 8 is in sealing sliding connection with the inner side wall of the director main body 1, a sealing chamber 10 is arranged on the inner lower end of the director main body 1, a supporting seat 11 is in sliding connection with the inner portion of the sealing chamber 10, the upper end of the second spring 14 is connected with the lower end of the supporting seat 11, and the lower end of the second spring 14 is connected with a connecting seat 12.

The inside screw hole 13 that is provided with of lower extreme lateral wall of director main part 1, and the inside threaded connection of screw hole 13 has adjusting screw 5, adjusting screw 5's end and rotation are connected in the lower extreme lateral wall of connecting seat 12, the upper end of supporting seat 11 is connected with second clamp plate 9 through the connecting rod, and second clamp plate 9 sliding connection is in the inside lateral wall of sealed room 10, the diameter of second clamp plate 9 is greater than the upper end opening of sealed room 10, form sealed space between first clamp plate 8 and the first connecting plate 6, first feedback pressure pipe 2 is the plus-minus pressure pipe, and second feedback pressure pipe 3 is the output pressure pipe, thereby can make the effect of output pressure through the director main part become actuating pressure.

The working principle of the device is as follows: when the fault opening director is used, when the downstream flow rate is increased and the pressure is reduced, the pressure of the second feedback pressure pipe 3 is reduced, the director main body 1 is fed back, the acting force of the feedback acting force and the acting force of the first spring 7 are smaller than the acting force of the second spring 14, the first pressing plate 8 in the director main body 1 is lifted at the moment, so that the opening degree of the director main body 1 is increased, the driving pressure is reduced, finally the opening degree of the main valve is increased, the downstream flow rate is increased, the pressure is returned to a new balance point, the downstream pressure is ensured, and the downstream flow rate is reduced contrary to the above.

When the feedback pressure is abnormal, such as the feedback type pipe is blocked, the acting force of the feedback acting force (0) and the acting force of the first spring 7 are smaller than the acting force of the second spring 14, and the director sealing member is fully opened, so that the driving pressure is reduced to the minimum, the opening of the main valve is changed, and the opening of the main valve is opened to the maximum.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a commander is opened to trouble, includes commander main part (1), first spring (7) and second spring (14), its characterized in that: the novel hydraulic director is characterized in that the driving pressure pipe (4) is arranged on the left side wall of the director main body (1), the first feedback pressure pipe (2) and the second feedback pressure pipe (3) are respectively arranged on the upper end and the right side wall of the director main body (1), the first connecting plate (6) is arranged at the upper end of the inside of the director main body (1), the first feedback pressure pipe (2) penetrates through the inside of the first connecting plate (6), the upper end of the first spring (7) is connected to the lower end side wall of the first connecting plate (6), the lower end of the first spring (7) is connected with the first pressing plate (8), the first pressing plate (8) is in sealing sliding connection with the inner side wall of the director main body (1), the sealing chamber (10) is arranged at the lower end of the inside of the director main body (1), the supporting seat (11) is connected to the inner sliding connection of the sealing chamber (10), and the upper end of the second spring (14) is connected to the lower end of the supporting seat (12).

2. A fail-open director as defined in claim 1, wherein: the automatic control device is characterized in that a threaded hole (13) is formed in the side wall of the lower end of the director main body (1), an adjusting screw (5) is connected to the internal thread of the threaded hole (13), and the tail end of the adjusting screw (5) is connected to the side wall of the lower end of the connecting seat (12) in a rotating mode.

3. A fail-open director as defined in claim 1, wherein: the upper end of the supporting seat (11) is connected with a second pressing plate (9) through a connecting rod, the second pressing plate (9) is connected to the inner side wall of the sealing chamber (10) in a sliding mode, and the diameter of the second pressing plate (9) is larger than the opening of the upper end of the sealing chamber (10).

4. A fail-open director as defined in claim 1, wherein: a sealing space is formed between the first pressing plate (8) and the first connecting plate (6).

5. A fail-open director as defined in claim 1, wherein: the first feedback pressure pipe (2) is a pressure reducing pressure pipe, and the second feedback pressure pipe (3) is an output pressure pipe.