CN203322416U

CN203322416U - Fuel gas pressure regulator

Info

Publication number: CN203322416U
Application number: CN201320135255XU
Authority: CN
Inventors: 刘杰
Original assignee: CHENGDU JIESEN TRANSMISSION AND DISTRIBUTION EQUIPMENT INDUSTRIAL Co Ltd
Current assignee: CHENGDU JIESEN TRANSMISSION AND DISTRIBUTION EQUIPMENT INDUSTRIAL Co Ltd
Priority date: 2013-03-22
Filing date: 2013-03-22
Publication date: 2013-12-04
Anticipated expiration: 2023-03-22

Abstract

The utility mode discloses a fuel gas pressure regulator. The fuel gas pressure regulator comprises a pressure regulator body, wherein the pressure regulator body includes an upper cavity and a lower cavity; a leather film and a tray matched with the leather film are arranged between the upper cavity and the lower cavity; a pressure-stabilizing device is arranged in the upper cavity, and besides, a pressure regulating device and a signal tube are also arranged in the lower cavity. According to the fuel gas pressure regulator, the position of a valve clack pull rod can be set in the center of the pressure regulator, as a result, the volume of the pressure regulator, required by the need of the same pull rod force, is reduced, the application range of the pressure regulator is widened, and the cost of the use and production of the pressure regulator is lowered.

Description

A kind of gas pressure regulating final controlling element

Technical field

The utility model relates to a kind of final controlling element, relates to specifically in a kind of gas burning system the final controlling element for regulating gas air pressure.

Background technique

The gas pressure regulating final controlling element is to make to export through the gas flow of modulating valve the equipment that combustion gas keeps authorized pressure by automatic change.Pressure governor is how a kind of flow and upstream pressure of no matter gas changes, and can keep the stable device of downstream pressure.Pressure governor should be able to:

1, upstream pressure is eased down to a stable downstream pressure;

2, when breaking down, should be able to limit by pressure governor downstream pressure in safety range.

The pull bar of the lever construction of existing gas pressure regulating final controlling element is the stressed conversion of single-stage, and the position of flap pull bar is not in the central position of pressure regulation final controlling element die cap, make the installation needed space of pressure regulation final controlling element excessive, thereby make the volume of pressure regulation final controlling element relatively large, and the volume of excessive pressure regulation final controlling element further causes this pressure regulation final controlling element main body larger, thereby its production, O&M cost are increased greatly.

Summary of the invention

In view of this, the utility model provides a kind of gas pressure regulating final controlling element, make the position of flap pull bar can be arranged at the central position of pressure regulation final controlling element, thereby the volume of pressure regulation final controlling element used while having reduced to need identical pull bar power, further strengthen the Applicable scope of pressure regulation final controlling element, and reduced the cost that it uses and production is required.

For solving above technical problem, the technical solution of the utility model is:

A kind of gas pressure regulating final controlling element, comprise pressure regulation final controlling element main body, this pressure regulation final controlling element main body comprises epicoele and cavity of resorption, the pallet that is provided with epithelium between described epicoele and cavity of resorption and is complementary with it, also be provided with stable-pressure device in epicoele, also be provided with regulator and signal tube simultaneously in cavity of resorption.

Further, between above-mentioned epicoele and cavity of resorption, be bolted, and seal by epithelium in its contacting point, in this cavity of resorption arranged outside, have one for the fixing fixed platform of the indent of pressure regulation final controlling element main body.

Further, above-mentioned regulator comprise axle sleeve pull bar, flap pull bar and be arranged on the axle sleeve pull bar and the flap pull bar between the double lever device.

As preferably, described axle sleeve pull bar is arranged on the pallet middle position, and is fixed on pallet by spring.

As preferably, described flap pull bar is arranged on cavity of resorption bottom center position, and penetrates the cavity of resorption bottom, is provided with the signal tube that penetrates cavity of resorption in the adjacent position of flap pull bar.

Further, above-mentioned double lever device comprises lever and, for fixing a fixed rotating shaft of a lever, on a lever, also by coupling shaft, is connected with lever No. two, and No. two levers also are fixed on No. two fixed rotating shafts simultaneously.

As preferably, described lever two ends are separately fixed on fixed rotating shaft and axle sleeve pull bar.

As preferably, an end of described No. two levers is by coupling shaft and movable a link of lever middle part, and the other end is fixed on the flap pull bar, and middle part is fixed on No. two fixed rotating shafts.

In addition, above-mentioned stable-pressure device comprises the Regulation spring gland, on this Regulation spring gland, also is provided with Regulation spring, and the two ends of this Regulation spring are separately positioned on Regulation spring gland and pallet.

Compared with prior art, the utility model has following beneficial effect:

(1) the utility model has realized that the pressure regulation final controlling element is converted to die cap central position mounting type with the twin-stage lever construction by the flap pull bar, and then makes the pressure regulation final controlling element can under less volume, realize larger pull bar power;

(2) the utility model solves the volume of pressure regulation final controlling element, produces material requested thereby reduced it, and then has reduced its cost of production;

(3) the utility model has reduced the volume of pressure regulation final controlling element greatly, thereby has increased the Applicable scope of pressure regulation final controlling element, and social development and progress are had to great progradation;

(4) the utility model is simple in structure, easy to use, produces and follows the cost of processing lower, can be good at carrying out large-scale production and use.

The accompanying drawing explanation

Fig. 1 is cross-sectional view of the present utility model.

In figure, reference character is respectively: 1---pressure regulation final controlling element main body; 2---epicoele; 3---cavity of resorption; 4---epithelium; 5---the Regulation spring gland; 6---Regulation spring; 7---the axle sleeve pull bar; 8---a lever; 9---a fixed rotating shaft; 10---No. two levers; 11---coupling shaft; 12---No. two fixed rotating shafts; 13---the flap pull bar; 14---signal tube.

Embodiment

Core thinking of the present utility model is, a kind of gas pressure regulating final controlling element is provided, make the position of flap pull bar can be arranged at the central position of pressure regulation final controlling element, thereby the volume of pressure regulation final controlling element used while having reduced to need identical pull bar power, further strengthen the Applicable scope of pressure regulation final controlling element, and reduced the cost that it uses and production is required.

In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Embodiment 1

As shown in Figure 1, a kind of gas pressure regulating final controlling element, comprise pressure regulation final controlling element main body 1, this pressure regulation final controlling element main body 1 comprises epicoele 2 and cavity of resorption 3, the pallet that is provided with epithelium 4 and is complementary with it between described epicoele 2 and cavity of resorption 3, also be provided with stable-pressure device in epicoele 2, also be provided with regulator and signal tube 14 simultaneously in cavity of resorption 3.

Between above-mentioned epicoele 2 and cavity of resorption 3, be bolted, and in its contacting point by epithelium 4 sealing, have one for the fixing fixed platform of the indent of pressure regulation final controlling element main body 1 in these cavity of resorption 3 arranged outside.

Above-mentioned regulator comprise axle sleeve pull bar 7, flap pull bar 13 and be arranged on axle sleeve pull bar 7 and flap pull bar 13 between the double lever device.

As preferably, described axle sleeve pull bar 7 is arranged on the pallet middle position, and is fixed on pallet by spring.

As preferably, described flap pull bar 13 is arranged on cavity of resorption bottom center position, and penetrates the cavity of resorption bottom, is provided with the signal tube 14 that penetrates cavity of resorption in the adjacent position of flap pull bar 13.

Above-mentioned double lever device comprises lever 8 and on 9, numbers levers 8 of a fixed rotating shaft of fixing a lever, also by coupling shaft 11, being connected with lever 10 No. two, and No. two levers 10 also are fixed on No. two fixed rotating shafts 12 simultaneously.

As preferably, described lever 8 two ends are separately fixed on fixed rotating shaft 9 and axle sleeve pull bar 7.

As preferably, an end of described No. two levers 10 is by coupling shaft 11 and the movable links in lever 8 middle parts, and the other end is fixed on flap pull bar 13, and middle part is fixed on No. two fixed rotating shafts 12.

In addition, above-mentioned stable-pressure device comprises Regulation spring gland 5, on this Regulation spring gland 5, also is provided with Regulation spring 6, and the two ends of this Regulation spring 6 are separately positioned on Regulation spring gland 5 and pallet.

During installation, first according to required pressure, regulate the Regulation spring gland, make the balance pressure of epicoele and cavity of resorption reach required force value.Then the flap pull bar is fixed between the gateway pipeline in gas pipeline, signal tube is communicated with the gas outlet pipeline simultaneously, can bring into use the utility model.

During work, signal tube connects cavity of resorption and gas outlet pipeline, its air pressure is consistent, when gas outlet pipe air pressure changes, cavity of resorption air pressure also together changes, make between upper and lower cavity to produce pressure difference, epithelium is promoted to drive pallet by air pressure simultaneously, pallet moves and drives the axle sleeve pull bar simultaneously, and the axle sleeve pull bar moves up and down and drives again lever No. one, No. two lever produces displacement, No. two lever displacements just make the flap pull bar produce upper and lower displacement simultaneously, and then make the openings of sizes between fuel gas inlet pipeline and outlet conduit, the flow of regulating gas, thereby reach the effect of combustion gas air pressure in the regulating gas outlet conduit.

Be below only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with the claim limited range.For those skilled in the art, within not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a gas pressure regulating final controlling element, comprise pressure regulation final controlling element main body (1), this pressure regulation final controlling element main body (1) comprises epicoele (2) and cavity of resorption (3), it is characterized in that, the pallet that is provided with epithelium (4) and is complementary with it between described epicoele (2) and cavity of resorption (3), also be provided with stable-pressure device in epicoele (2), also be provided with regulator and signal tube (14) simultaneously in cavity of resorption (3).

2. a kind of gas pressure regulating final controlling element according to claim 1, it is characterized in that, between described epicoele (2) and cavity of resorption (3), be bolted, and by epithelium (4) sealing, in this cavity of resorption (3) arranged outside, there is one for the fixing fixed platform of the indent of pressure regulation final controlling element main body (1) in its contacting point.

3. a kind of gas pressure regulating final controlling element according to claim 2, is characterized in that, described regulator comprise axle sleeve pull bar (7), flap pull bar (13) and be arranged on axle sleeve pull bar (7) and flap pull bar (13) between the double lever device.

4. a kind of gas pressure regulating final controlling element according to claim 3, is characterized in that, described axle sleeve pull bar (7) is arranged on the pallet middle position, and is fixed on pallet by spring.

5. a kind of gas pressure regulating final controlling element according to claim 4, it is characterized in that, described flap pull bar (13) is arranged on cavity of resorption bottom center position, and penetrates the cavity of resorption bottom, is provided with the signal tube (14) that penetrates cavity of resorption in the adjacent position of flap pull bar (13).

6. a kind of gas pressure regulating final controlling element according to claim 5, it is characterized in that, described double lever device comprises a lever (8) and for fixing a fixed rotating shaft (9) of a lever, also by coupling shaft (11), be connected with No. two levers (10) on a lever (8), No. two levers (10) also are fixed on No. two fixed rotating shafts (12) simultaneously.

7. a kind of gas pressure regulating final controlling element according to claim 6, is characterized in that, a described lever (8) two ends are separately fixed on a fixed rotating shaft (9) and axle sleeve pull bar (7).

8. a kind of gas pressure regulating final controlling element according to claim 7, it is characterized in that, one end of described No. two levers (10) links with a lever (8) middle part is movable by coupling shaft (11), it is upper that the other end is fixed on flap pull bar (13), and middle part is fixed on No. two fixed rotating shafts (12).

9. a kind of gas pressure regulating final controlling element according to claim 8, it is characterized in that, described stable-pressure device comprises Regulation spring gland (5), also be provided with Regulation spring (6) on this Regulation spring gland (5), the two ends of this Regulation spring (6) are separately positioned on Regulation spring gland (5) and pallet.