CN216895997U

CN216895997U - Fuel gas internal and external thread valve convenient to assemble and install

Info

Publication number: CN216895997U
Application number: CN202220015414.1U
Authority: CN
Inventors: 江丹阳; 吴海平
Original assignee: Zhejiang Yihong Gas Technology Co ltd
Current assignee: Zhejiang Yihong Gas Technology Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-07-05
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a gas internal and external thread valve convenient to assemble and install, which comprises a lower valve body connected with a pipeline, wherein an internal thread joint and an external thread joint are respectively and integrally arranged at two ends of the lower valve body, and an upper valve body is arranged above the lower valve body; the transparent cover is in threaded connection with the outer side of the upper end of the upper valve body, a pull rod pull cap is arranged inside the transparent cover, and the lower end of the pull rod pull cap is fixedly connected with a movable iron core; the sealing film-bulging seat is fixedly arranged at the lower end of the connecting rod, and a tympanic membrane main body is arranged outside the sealing film-bulging seat; further comprising: and the connecting seat is fixedly arranged on the lower end surface of the upper valve body. This make things convenient for combination installation's gas internal and external silk valve can carry out convenient to the concatenation fixedly to upper and lower valve body to be convenient for follow-up maintenance to the valve, can utilize the gasbag to realize effectively sealing to concatenation department simultaneously, further improved the safety in utilization.

Description

Fuel gas internal and external thread valve convenient to assemble and install

Technical Field

The utility model relates to the technical field of gas valves, in particular to a gas internal and external thread valve convenient to assemble and install.

Background

The silk valve is a comparatively common gas valve in the gas, and it can carry out threaded connection with the pipeline to realize installing fast, thereby realize the flow control to the interior gas of pipeline, but the silk valve still has some not enoughly in the current gas, for example:

1. the upper valve body and the lower valve body of the existing gas internal and external thread valve are fixedly installed in a bolt mode, so that the valve body is inconvenient to disassemble and assemble subsequently, the subsequent maintenance difficulty of the valve body is increased, and certain use defects exist;

2. when the existing valve body is assembled and installed, the sealing structure is single, so that the sealing performance in the valve body assembling process cannot be guaranteed, and the risk of gas leakage exists in the using process.

Therefore, we propose a fuel gas internal and external thread valve which is convenient to assemble and install so as to solve the problems proposed in the above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fuel gas internal and external thread valve convenient to assemble and install, and aims to solve the problems that the fuel gas internal and external thread valve in the prior market is inconvenient to disassemble and assemble a valve body, so that the subsequent maintenance difficulty of the valve body is increased, the sealing performance in the valve body assembling process cannot be guaranteed, and the risk of fuel gas leakage exists in the using process.

In order to achieve the purpose, the utility model provides the following technical scheme: a fuel gas internal and external thread valve convenient to assemble and install comprises a lower valve body connected with a pipeline, wherein an internal thread joint and an external thread joint are respectively and integrally arranged at two ends of the lower valve body, and an upper valve body is arranged above the lower valve body;

the transparent cover is in threaded connection with the outer side of the upper end of the upper valve body, a pull rod pull cap is arranged inside the transparent cover, the lower end of the pull rod pull cap is fixedly connected with a movable iron core, and meanwhile, the lower end of the movable iron core is fixedly connected with a connecting rod;

the sealing film-bulging seat is fixedly arranged at the lower end of the connecting rod, and a tympanic membrane main body is arranged outside the sealing film-bulging seat;

further comprising:

the connecting groove is formed in the upper surface of the lower valve body;

the joint seat is fixedly arranged on the lower end surface of the upper valve body and used for realizing preliminary positioning and joint;

and the limiting block is movably connected to the outer side of the upper end of the lower valve body and is used for fixing the upper valve body.

Preferably, the joining seat is arranged in a circular tube-shaped structure, the joining seat and the upper valve body are arranged in an integrated structure, and the joining seat is in clearance fit with the joining groove.

Through adopting above-mentioned technical scheme for when lower valve body and last valve body make up, join in marriage unsmooth cooperation in linking groove, linking seat, thereby realize the preliminary location to lower valve body and last valve body, ensure axiality between them, unsmooth complex mode can tentatively improve the combination leakproofness of valve body simultaneously.

Preferably, the limiting block is arranged at equal angles relative to the central axis of the lower valve body, a torsion spring for providing reset elasticity is connected between the shaft end of the limiting block and the lower valve body, and the limiting block is integrally arranged in an L-shaped structure.

Through adopting above-mentioned technical scheme for the multiunit stopper can carry out elastic rotation under torque spring's elastic force effect, and then makes the stopper can laminate under between valve body and the last valve body, thereby realizes the quick concatenation of valve body and last valve body down, the dismouting and the maintenance of the back to the valve of being convenient for.

Preferably, the upper surface of the lower end part of the upper valve body is provided with an air storage bag, the air storage bag is embedded in the outer wall of the upper valve body, and the air storage bag corresponds to the upper end of the limiting block.

Through adopting above-mentioned technical scheme, can be so that the stopper can extrude the gas storage bag when rotating under torsion spring's elasticity effect to provide the condition for subsequent sealed work.

Preferably, the outer wall and the inner wall of the connecting seat are both provided with a sealing air bag, and a gas conveying pipe for conveying gas is connected between the sealing air bag and the gas storage bag.

Through adopting above-mentioned technical scheme for when the valve body was assembled, the gas storage bag can be under the exogenic action with its inside partial gas through the gas-supply pipe squeeze into sealed gasbag, thereby makes the inside atmospheric pressure of sealed gasbag rise and take place the inflation.

Preferably, the sealing airbag is arranged in a circular ring structure, is fixedly installed on the inner wall and the outer wall of the connecting seat in an embedded manner, and has material elasticity greater than that of the gas storage bag.

Through adopting above-mentioned technical scheme for sealed gasbag can closely laminate between linking groove and linking seat after taking place the inflation, thereby realizes effectively sealing to the concatenation seam between lower valve body and the last valve body, thereby effectively avoids taking place the risk of leaking in the valve use.

Compared with the prior art, the utility model has the beneficial effects that: the gas internal and external thread valve convenient to assemble and install can conveniently and quickly assemble and fix the upper valve body and the lower valve body, so that the valve is convenient to overhaul subsequently, meanwhile, the splicing part can be effectively sealed by utilizing the air bag, and the use safety is further improved;

1. the limiting blocks are arranged to butt the lower valve body and the upper valve body, and at the moment, a plurality of groups of limiting blocks can automatically rotate and cling between the lower valve body and the upper valve body under the elastic force action of the torsion spring, so that the upper valve body is limited, and the subsequent valve assembly, disassembly and maintenance are facilitated;

2. be provided with gas storage bag and sealed gasbag, when assembling lower valve body and last valve body, the stopper can be contradicted after rotatory completion, the extrusion gas storage bag, thereby make the gas storage bag carry the inner wall to sealed gasbag through the gas-supply pipe with the partial gas of its temporal part under the exogenic action, thereby make two sets of sealed gasbags take place the inflation, and closely laminate in linking up the groove and linking up between the seat, thereby realize effectively sealing to valve body and last valve body concatenation seam department down, effectively avoid taking place to leak in the valve body use, the safety in utilization of valve has further been improved.

Drawings

FIG. 1 is a schematic main sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a limiting block mounting structure of the present invention;

FIG. 4 is a schematic perspective view of a docking station and a sealing bladder according to the present invention;

fig. 5 is a schematic view of a torsion spring mounting structure according to the present invention.

In the figure: 1. a lower valve body; 2. an internal thread joint; 3. an external thread joint; 4. an upper valve body; 5. a transparent cover; 6. A pull rod and a pull cap; 7. a movable iron core; 8. a connecting rod; 9. sealing the membrane-bulging seat; 10. a tympanic membrane body; 11. a joining groove; 12. a linking seat; 13. a limiting block; 1301. a torsion spring; 14. a gas storage bag; 15. sealing the air bag; 16. a gas delivery pipe.

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. 1-5, the present invention provides a technical solution: a fuel gas internal and external thread valve convenient to assemble and install comprises a lower valve body 1 used for being connected with a pipeline, an internal thread joint 2 and an external thread joint 3 are respectively and integrally arranged at two ends of the lower valve body 1, and an upper valve body 4 is arranged above the lower valve body 1;

the transparent cover 5 is in threaded connection with the outer side of the upper end of the upper valve body 4, a pull rod pull cap 6 is arranged inside the transparent cover 5, the lower end of the pull rod pull cap 6 is fixedly connected with a movable iron core 7, and the lower end of the movable iron core 7 is fixedly connected with a connecting rod 8;

the sealing drum membrane seat 9 is fixedly arranged at the lower end of the connecting rod 8, and a drum membrane main body 10 is arranged on the outer side of the sealing drum membrane seat 9;

further comprising:

a joining groove 11 opened on the upper surface of the lower valve body 1;

a joint seat 12 fixedly arranged on the lower end surface of the upper valve body 4 and used for realizing preliminary positioning and joint;

and the limiting block 13 is movably connected to the outer side of the upper end of the lower valve body 1 and is used for fixing the upper valve body 4.

The connecting seat 12 is arranged in a circular tube-shaped structure, the connecting seat 12 and the upper valve body 4 are arranged in an integrated structure, and the connecting seat 12 is in clearance fit with the connecting groove 11.

The limiting block 13 is arranged at equal angles relative to the central axis of the lower valve body 1, a torsion spring 1301 for providing reset elasticity is connected between the shaft end of the limiting block 13 and the lower valve body 1, and the limiting block 13 is integrally arranged in an L-shaped structure.

As shown in fig. 1-3 and fig. 5, the limiting block 13 is rotated to keep the transverse distribution, then the upper end surface of the lower valve body 1 is attached to the lower end surface of the upper valve body 4, the connecting seat 12 is inserted into the connecting groove 11 in a concave-convex matching manner, at this time, the limiting block 13 is loosened, the limiting block 13 is rotated under the elastic force action of the torsion spring 1301, the limiting block 13 is further rotated and attached to the outer sides of the lower valve body 1 and the upper valve body 4, the upper valve body 4 is positioned, the combined installation of the valve components is completed, then the valve is connected with an external pipeline through the inner screw connector 2 and the outer screw connector 3, and the gas flow is regulated and controlled through the pull rod cap 6, the movable iron core 7, the connecting rod 8, the sealing drum membrane seat 9 and the tympanic membrane main body 10.

The upper surface of the lower end of the upper valve body 4 is provided with an air storage bag 14, the air storage bag 14 is embedded in the outer wall of the upper valve body 4, and the air storage bag 14 corresponds to the upper end of the limiting block 13.

The outer wall and the inner wall of the connecting seat 12 are both provided with a sealing air bag 15, and a gas pipe 16 for conveying gas is connected between the sealing air bag 15 and the gas storage bag 14.

The sealing air bag 15 is arranged in a circular ring structure, the sealing air bag 15 is fixedly arranged on the inner wall and the outer wall of the connecting seat 12 in an embedded mode, and the elastic force of the material of the sealing air bag 15 is larger than that of the material of the air storage bag 14.

As shown in fig. 2 and 4, along with the rotation of stopper 13, make the upper end inner wall of stopper 13 contradict, extrude gas storage bag 14, thereby make partial gas in the gas storage bag 14 pass through in the gas-supply pipe 16 gets into sealed gasbag 15, thereby make the inside atmospheric pressure of sealed gasbag 15 rise and take place the inflation deformation, sealed gasbag 15 after the inflation can closely laminate between joining groove 11 and joining seat 12, thereby realize the effective sealing to lower valve body 1 and upper valve body 4, avoid producing the phenomenon that the gas leaked.

The working principle is as follows: when the gas internal and external thread valve convenient to assemble and install is used, firstly, as shown in figures 1-5, the upper end face of the lower valve body 1 is attached to the lower end face of the upper valve body 4, the connection seat 12 is inserted into the connection groove 11 in a concave-convex matching mode, then the limiting block 13 is loosened, the limiting block 13 can be fixedly connected with the lower valve body 1 and the upper valve body 4, meanwhile, the sealing air bag 15 can expand and deform and is attached between the connection groove 11 and the connection seat 12, therefore, the combined sealing performance of the valve is effectively improved, then the combined valve is connected with an external pipeline through the internal thread connector 2 and the external thread connector 3, the flow control of gas can be achieved, and a series of work can be completed.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A fuel gas internal and external thread valve convenient to assemble and install comprises a lower valve body (1) connected with a pipeline, an internal thread joint (2) and an external thread joint (3) are respectively and integrally arranged at two ends of the lower valve body (1), and an upper valve body (4) is arranged above the lower valve body (1);

the transparent cover (5) is in threaded connection with the outer side of the upper end of the upper valve body (4), a pull rod pulling cap (6) is arranged inside the transparent cover (5), the lower end of the pull rod pulling cap (6) is fixedly connected with a movable iron core (7), and meanwhile the lower end of the movable iron core (7) is fixedly connected with a connecting rod (8);

the sealing drum membrane seat (9) is fixedly arranged at the lower end of the connecting rod (8), and a drum membrane main body (10) is arranged on the outer side of the sealing drum membrane seat (9);

it is characterized by also comprising:

the connecting groove (11) is formed in the upper surface of the lower valve body (1);

the joint seat (12) is fixedly arranged on the lower end surface of the upper valve body (4) and is used for realizing primary positioning and joint;

and the limiting block (13) is movably connected to the outer side of the upper end of the lower valve body (1) and is used for fixing the upper valve body (4).

2. The internal and external fuel gas valve convenient to assemble and install as claimed in claim 1, wherein: the connecting seat (12) is arranged in a circular tube-shaped structure, the connecting seat (12) and the upper valve body (4) are arranged in an integrated structure, and the connecting seat (12) is in clearance fit with the connecting groove (11).

3. The gas internal and external thread valve convenient for combined installation according to claim 1, wherein: stopper (13) are about the equal angle setting of axis of lower valve body (1), just be connected with torque spring (1301) that provide the elasticity that resets between the axle head of stopper (13) and lower valve body (1), just stopper (13) wholly is "L" font structure setting.

4. The gas internal and external thread valve convenient for combined installation according to claim 1, wherein: the upper surface of the lower end part of the upper valve body (4) is provided with an air storage bag (14), the air storage bag (14) is embedded in the outer wall of the upper valve body (4), and the air storage bag (14) corresponds to the upper end of the limiting block (13).

5. The gas internal and external thread valve convenient for combined installation according to claim 1, wherein: the outer wall and the inner wall of the connecting seat (12) are both provided with a sealing air bag (15), and an air conveying pipe (16) used for conveying air is connected between the sealing air bag (15) and the air storage bag (14).

6. The gas internal and external thread valve convenient for combined installation according to claim 5, wherein: the sealing air bag (15) is arranged in a circular ring structure, the sealing air bag (15) is fixedly installed on the inner wall and the outer wall of the connecting seat (12) in an embedded mode, and the material elasticity of the sealing air bag (15) is larger than that of the air storage bag (14).