CN216447522U

CN216447522U - Gas valve body with anti-corrosion sleeve

Info

Publication number: CN216447522U
Application number: CN202122854698.1U
Authority: CN
Inventors: 高永洁
Original assignee: Tianjin Jianghai Xingda Rubber Plastic Co ltd
Current assignee: Tianjin Jianghai Xingda Rubber Plastic Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-06
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a gas valve body with an anti-corrosion sleeve, which comprises a valve body, an actuator and a control mechanism, wherein the top of the valve body is provided with the actuator, the top of the actuator is fixedly connected with a connecting flange A, the top of the connecting flange A is detachably connected with a connecting flange B, the top of the connecting flange B is provided with the control mechanism, the control mechanism consists of a sleeve, a cavity, a valve rod, a rubber sleeve and a rotating ring, the rubber sleeve synchronously rotates and vertically moves in the process of screwing the valve rod, the rubber sleeve is always tightly attached to the inner wall of the cavity by the aid of elasticity of the rubber sleeve, a main body of the valve rod is located in a closed environment inside the rubber sleeve and the sleeve, corrosion of an external environment is further reduced, the valve rod can be effectively protected, and meanwhile, compared with a traditional protection structure, the problem of ageing and damage at a connecting part can be avoided.

Description

Gas valve body with anti-corrosion sleeve

Technical Field

The utility model relates to the technical field of gas valve bodies, in particular to a gas valve body with an anti-corrosion sleeve.

Background

The gas valve is a safety matching device for a novel gas pipeline project, is used for cutting, connecting and adjusting gas in pipelines, has good control characteristic and closing sealing performance, and is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas, oxygen and the like.

Patent No. CN 210266145U's publication a gas valve body that contains anticorrosion cover avoids debris and waste water and valve rod contact through waterproof ring and protection casing, will adsorb humid air through the drier simultaneously, avoids the valve rod to receive the corruption.

The gas valve body with the anti-corrosion sleeve has the following defects in use: 1. one end of the anti-corrosion sleeve of the valve body plays a role in connection through the sealing bearing, and in the actual use process, along with the continuous rotation of the valve rod, the connection part is easy to age, so that the protection of the valve rod is influenced; 2. the actuator and the control mechanism of the valve body are generally connected by adopting a connecting flange, a bolt is arranged at the joint, the valve body is exposed outside for a long time and is corroded by environments such as rainwater and the like, rusting and aging are easy to occur, and the valve body cannot be disassembled.

Disclosure of Invention

The utility model mainly aims to provide a gas valve body with an anti-corrosion sleeve, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a gas valve body that contains anticorrosion cover, includes the valve body, still includes executor and control mechanism, the executor is installed at the valve body top, executor top fixedly connected with flange A, flange B can be dismantled at flange A top and be connected with flange B, control mechanism is installed at flange B top, control mechanism comprises sleeve pipe, cavity, valve rod, gum cover and change, flange B top fixedly connected with sleeve pipe, the inside cavity of having seted up of sleeve pipe, the valve rod is installed at the executor top, valve rod outside fixedly connected with gum cover, peg graft to inside the cavity bottom the gum cover.

The connecting structure comprises a connecting flange A and a connecting flange B, and is characterized by further comprising a connecting mechanism, wherein the connecting mechanism is arranged between the connecting flange A and the connecting flange B and consists of a threaded pipe, a threaded groove, a bolt and a rubber ring; the inside of flange A and flange B all is equipped with the thread groove, when butt joint, align flange A and flange B, twist the bolt to inside the thread groove, be fixed with the screwed pipe in flange A's bottom, the bolt gets into the back completely, its bottom is located inside the screwed pipe, the screwed pipe is airtight structure, can play the guard action to the bottom of bolt, twist the completion back, the upper end position of bolt is inside the recess, make bolt tip can not bulge in flange A's top, align the rubber ring groove position and insert, through the airtight groove position of rubber ring, and then accomplish the airtight of bolt upper end, make the junction be in airtight environment, reduce the influence of external environment, only need extract the rubber ring when needing to dismantle and can dismantle the bolt, effective protection bolt's normal the twisting moves.

Furthermore, the top of the valve rod is fixedly connected with a rotating ring, and the top of the rubber sleeve is connected with the bottom of the rotating ring; the valve rod can be conveniently screwed through the rotating ring fixed at the top of the valve rod.

Further, the thread groove is communicated with the inside of the threaded pipe, and one end of the bolt is screwed into the inside of the threaded pipe; the thread groove is communicated with the threaded pipe, and the bolt is conveniently screwed in.

Further, the groove is communicated with the inside of the thread groove; the groove is positioned at the top of the thread groove, so that the connection part is closed conveniently.

Furthermore, both ends of the valve body are fixedly connected with connecting flanges C; the connecting flanges C at the two ends of the valve body are convenient to be connected with a pipeline.

Compared with the prior art, the utility model has the following beneficial effects: the top of the valve body is provided with an actuator, the opening and closing of an internal assembly of the valve body are controlled through a valve rod, a sleeve is fixed at the top of the connecting flange B, a cavity is formed in the sleeve, after the valve rod is installed, the bottom of a rubber sleeve is inserted into the cavity, the rubber sleeve synchronously rotates and vertically moves in the process of screwing the valve rod, the rubber sleeve is tightly attached to the inner wall of the cavity all the time by using the elasticity of the rubber sleeve, the main body of the valve rod is located in the closed environment of the rubber sleeve and the inner part of the sleeve, the corrosion of the external environment is further reduced, the valve rod can be effectively protected, and meanwhile, compared with a traditional protection structure, the problem of aging and damage at the joint can be avoided; the inside of flange A and flange B all is equipped with the thread groove, when butt joint, align flange A and flange B, twist the bolt to inside the thread groove, be fixed with the screwed pipe in flange A's bottom, the bolt gets into the back completely, its bottom is located inside the screwed pipe, the screwed pipe is airtight structure, can play the guard action to the bottom of bolt, twist the completion back, the upper end position of bolt is inside the recess, make bolt tip can not bulge in flange A's top, align the rubber ring groove position and insert, through the airtight groove position of rubber ring, and then accomplish the airtight of bolt upper end, make the junction be in airtight environment, reduce the influence of external environment, only need extract the rubber ring when needing to dismantle and can dismantle the bolt, effective protection bolt's normal the twisting moves.

Drawings

Fig. 1 is a schematic overall structure diagram of a gas valve body with an anti-corrosion sleeve according to the utility model.

Fig. 2 is a schematic structural diagram of a joint of a sleeve and a rubber sleeve of the gas valve body with the anti-corrosion sleeve. .

FIG. 3 is a schematic structural diagram of the joint of a connecting flange A and a connecting flange B of the gas valve body with the anti-corrosion sleeve.

In the figure: 1. a valve body; 2. an actuator; 201. a connecting flange A; 202. a connecting flange B; 3. a control mechanism; 301. a sleeve; 302. a cavity; 303. a valve stem; 304. a rubber sleeve; 305. rotating the ring; 4. a connecting mechanism; 401. a threaded pipe; 402. a thread groove; 403. a groove; 404. a bolt; 405. a rubber ring; 5. and (4) connecting the flanges C.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a gas valve body containing an anti-corrosion sleeve comprises a valve body 1, an actuator 2 and a control mechanism 3, wherein the actuator 2 is installed at the top of the valve body 1, a connecting flange a201 is fixedly connected to the top of the actuator 2, a connecting flange B202 is detachably connected to the top of the connecting flange a201, the control mechanism 3 is installed at the top of the connecting flange B202, the control mechanism 3 comprises a sleeve 301, a cavity 302, a valve rod 303, a rubber sleeve 304 and a swivel 305, the sleeve 301 is fixedly connected to the top of the connecting flange B202, the cavity 302 is formed inside the sleeve 301, the valve rod 303 is installed at the top of the actuator 2, the rubber sleeve 304 is fixedly connected to the outer side of the valve rod 303, and the bottom of the rubber sleeve 304 is inserted into the cavity 302.

The connecting structure comprises a connecting mechanism 4, wherein the connecting mechanism 4 is installed between a connecting flange A201 and a connecting flange B202, the connecting mechanism 4 consists of a threaded pipe 401, a threaded groove 402, a groove 403, a bolt 404 and a rubber ring 405, the bottom of the connecting flange A201 is fixedly connected with the threaded pipe 401, the connecting flange A201 and the connecting flange B202 are both internally provided with the threaded groove 402, the top of the connecting flange B202 is provided with the groove 403, the bolt 404 is connected inside the threaded groove 402 in a matching manner, and the rubber ring 405 is inserted into the groove 403; the connecting flange a201 and the connecting flange B202 are both provided with a thread groove 402 inside, and when butt joint is performed, the coupling flange a201 and the coupling flange B202 are aligned, the bolts 404 are screwed into the screw grooves 402, a threaded pipe 401 is fixed to the bottom of the coupling flange a201, and after the bolts 404 are completely inserted, the bottom of the screw tube 401 is positioned in the screw tube 401, the screw tube 401 is of a closed structure and can protect the bottom of the bolt 404, after the screw is screwed in, the upper end of the bolt 404 is positioned in the groove 403, so that the end of the bolt 404 does not protrude from the top of the attachment flange a201, the rubber ring 405 is aligned with the position of the groove 403 and inserted, the position of the groove 403 is sealed by the rubber ring 405, and then accomplish the airtight of bolt 404 upper end for the junction is in airtight environment, reduces the influence of external environment, only needs to pull out rubber ring 405 when needing to dismantle and can dismantle bolt 404, effectively protects the normal of bolt 404 to twist and moves.

Wherein, the top of the valve rod 303 is fixedly connected with a swivel 305, and the top of the rubber sleeve 304 is connected with the bottom of the swivel 305; the valve rod 303 can be easily screwed by a swivel 305 fixed on the top of the valve rod 303.

The thread groove 402 is communicated with the inside of the thread pipe 401, and one end of the bolt 404 is screwed into the inside of the thread pipe 401; the thread groove 402 communicates with the thread pipe 401, facilitating screwing in the bolt 404.

Wherein, the groove 403 is communicated with the inside of the thread groove 402; the groove 403 is located at the top of the thread groove 402 to facilitate sealing of the joint.

Wherein, both ends of the valve body 1 are fixedly connected with a connecting flange C5; the connecting flange C5 at the two ends of the valve body 1 is convenient for connecting with a pipeline.

It should be noted that, when the gas valve body containing the anti-corrosion sleeve is used, the actuator 2 is installed at the top of the valve body 1, the opening and closing of the internal components of the valve body 1 are controlled through the valve rod 303, the sleeve 301 is fixed at the top of the connecting flange B202, the cavity 302 is formed in the sleeve 301, after the valve rod 303 is installed, the bottom of the rubber sleeve 304 is inserted into the cavity 302, the rubber sleeve 304 synchronously rotates and vertically moves in the process of screwing the valve rod 303, the rubber sleeve 304 is tightly attached to the inner wall of the cavity 302 all the time by using the elastic force of the rubber sleeve 304, the main body of the valve rod 303 is located in the sealed environment inside the rubber sleeve 304 and the sleeve 301, so that the corrosion of the external environment is reduced, the valve rod 303 can be effectively protected, meanwhile, compared with the traditional protection structure, the problem of aging and damage at the connecting part can be avoided, the threaded grooves 402 are formed in the connecting flange a201 and the connecting flange B202, when butt joint is carried out, the connecting flange A201 and the connecting flange B202 are aligned, the bolts 404 are screwed into the threaded grooves 402, the threaded pipes 401 are fixed at the bottoms of the connecting flanges A201, after the bolts 404 completely enter the threaded pipes 401, the bottoms of the bolts 404 are located in the threaded pipes 401, the threaded pipes 401 are of a sealed structure, the bottoms of the bolts 404 can be protected, after screwing is completed, the upper ends of the bolts 404 are located in the grooves 403, the end portions of the bolts 404 cannot protrude out of the tops of the connecting flanges A201, the rubber rings 405 are aligned with the positions of the grooves 403 and inserted into the grooves, the positions of the grooves 403 are sealed through the rubber rings 405, sealing of the upper ends of the bolts 404 is further completed, the connecting portions are located in a sealed environment, influences of the external environment are reduced, when disassembling is needed, the bolts 404 can be disassembled only by pulling out the rubber rings 405, normal screwing of the bolts 404 is effectively protected, the valve rod 303 can be conveniently screwed through the rotary rings 305 fixed at the tops of the valve rod 303, the connecting flange C5 at the two ends of the valve body 1 is convenient for connecting with a pipeline.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gas valve body that contains anticorrosion cover, includes valve body (1), its characterized in that still includes executor (2) and control mechanism (3), executor (2) are installed to valve body (1) top, executor (2) top fixedly connected with flange A (201), flange A (201) top can be dismantled and be connected with flange B (202), control mechanism (3) are installed at flange B (202) top, control mechanism (3) comprise sleeve pipe (301), cavity (302), valve rod (303), gum cover (304) and change (305), flange B (202) top fixedly connected with sleeve pipe (301), cavity (302) have been seted up to sleeve pipe (301) inside, valve rod (303) are installed to executor (2) top, valve rod (303) outside fixedly connected with gum cover (304), the bottom of the rubber sleeve (304) is inserted into the cavity (302).

2. A gas valve body containing an anti-corrosion sleeve according to claim 1, wherein: still include coupling mechanism (4), install coupling mechanism (4) between flange A (201) and flange B (202), coupling mechanism (4) comprise screwed pipe (401), thread groove (402), recess (403), bolt (404) and rubber ring (405), flange A (201) bottom fixedly connected with screwed pipe (401), inside threaded groove (402) of all having seted up of flange A (201) and flange B (202), recess (403) are seted up at flange B (202) top, thread groove (402) inside cooperation is connected with bolt (404), inside grafting of recess (403) has rubber ring (405).

3. A gas valve body containing an anti-corrosion sleeve according to claim 1, wherein: the top of the valve rod (303) is fixedly connected with a rotating ring (305), and the top of the rubber sleeve (304) is connected with the bottom of the rotating ring (305).

4. A gas valve body containing an anti-corrosion sleeve according to claim 2, wherein: the thread groove (402) is communicated with the inside of the thread pipe (401), and one end of the bolt (404) is screwed into the inside of the thread pipe (401).

5. A gas valve body containing an anti-corrosion sleeve according to claim 2, wherein: the groove (403) is communicated with the inside of the thread groove (402).

6. A gas valve body containing an anti-corrosion sleeve according to claim 1, wherein: and the two ends of the valve body (1) are fixedly connected with connecting flanges C (5).