CN210088011U

CN210088011U - Water stop valve for gas pipeline

Info

Publication number: CN210088011U
Application number: CN201920497610.5U
Authority: CN
Inventors: 王宝君
Original assignee: Nanan Zhi Feng Boat Industrial Design Co Ltd
Current assignee: Nanan Zhi Feng Boat Industrial Design Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-02-18
Anticipated expiration: 2029-03-20
Also published as: CN209705288U

Abstract

The utility model discloses a water stop valve for a gas pipeline, which comprises a valve body, a groove, a plate body, a fixing plate and an insertion pipe, wherein a valve seat is installed above the valve body, a threaded rod is in threaded connection with the center of the valve seat, a sleeve is fixedly connected with the outer side of the circumference of the middle end of the threaded rod, a chute is arranged on the outer side of the circumference of the sleeve, a groove is arranged in the valve body, a connecting rod is arranged in the groove, one end of the connecting rod is in sliding connection with the inside of the chute, and the other end of the connecting rod is fixedly; the closing plate includes plate body, draw-in groove, fixed plate, through-hole, circle piece, intubate, gas pocket, whistle and spring, the utility model discloses can drive the closing plate through the pipe box and move down when closing the valve body through the threaded rod downstream when using, let closing plate and valve body contact, can carry out the second to the valve body and say the protection, can effectually prevent when the sealing washer is ruptured, provide further leakproofness to the valve body.

Description

Water stop valve for gas pipeline

The application has the following application numbers: 2019203536930, the name is: the division application of the utility model patent application of "a stagnant water valve for gas pipeline" the original application date is: year 2019, 03 and 20.

Technical Field

The utility model relates to a gas valve technical field specifically is a stagnant water valve for gas pipeline.

Background

The check valve is a type of valve, and when the valve is applied to the design of engineering, the backflow of a medium can be effectively avoided, and the risk is avoided, so that the check valve is widely applied to the construction of engineering. The gas engineering is closely related to the safety of people, if the gas leaks, the life of people can be threatened, and in order to ensure the safety of the gas engineering, a natural gas company should apply a gas check valve during the design, so as to improve the reliability and the safety of the engineering.

However, there are some disadvantages in the conventional using process, such as:

1. traditional check valve is higher to the required nature of sealing washer in the in-process of using, when the sealing washer of check valve received wearing and tearing, leads to the leakage of gas easily, and then need add a sealed mechanism again.

2. The application of traditional check valve in gas pipeline is high to the requirement of sealing washer, does not have the device to remind the staff when the sealing washer is damaged to it causes the health injury to arrive the staff easily, and then we need one kind can be when the sealing washer damaged can send out the check valve of police dispatch newspaper.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stagnant water valve for gas pipeline to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a water stop valve for a gas pipeline comprises a valve body, a groove, a plate body, a fixing plate and an insertion pipe, wherein a valve seat is installed above the valve body, a threaded rod is connected with the center of the valve seat in a threaded mode, a sleeve is fixedly connected to the outer side of the circumference of the middle end of the threaded rod, a sliding groove is formed in the outer side of the circumference of the sleeve, the groove is formed in the valve body, a connecting rod is arranged in the groove, one end of the connecting rod is connected to the inside of the sliding groove in a sliding mode, and a sealing plate is;

the closing plate includes plate body, draw-in groove, fixed plate, through-hole, circle piece, intubate, gas pocket, whistle and spring, the draw-in groove has been seted up to one side that the plate body is close to the threaded rod, there is the fixed plate one side of draw-in groove inner wall through spring coupling, the through-hole has been seted up to the inside of fixed plate, the inside of through-hole is provided with the circle piece, the side fixedly connected with intubate of circle piece, the side of intubate runs through the plate body, a plurality of gas pockets have been seted up to one side that the intubate is close to the fixed plate, the.

Furthermore, the number of the air holes is not less than two, and the aperture size of the air holes is 0.3-0.5 cm.

Furthermore, the position of the joint of the bottom of the inner wall of the groove and the sealing plate is fixedly connected with a dynamic sealing ring, and the position of the joint of the round block and the through hole is fixedly connected with the dynamic sealing ring in an adhesive manner.

Further, the sealing plate has a length of not less than 10 cm.

Furthermore, one end of the spring is fixedly connected with the inner wall of the clamping groove, and the other end of the spring is fixedly connected with the fixing plate.

Further, the inner diameter of the cannula wall is not more than 2 cm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can drive the closing plate through the pipe box and move down when closing the valve body through the threaded rod downstream when using, let closing plate and valve body contact, can carry out the second to the valve body and say the protection, can effectually prevent when the sealing washer is cracked, provide further leakproofness to the valve body.

2. The utility model discloses at the in-process that uses, seted up the draw-in groove through the inside at the plate body, when the inside atmospheric pressure of valve body is higher, thereby atmospheric pressure can promote the disk and let inside gaseous intubate that gets into in the draw-in groove, gaseous through the gas pocket carry out the whistle, can let the whistle send out the sound of police dispatch newspaper through the vibrations principle of air, and then remind people's sealing washer to break.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic diagram of the sealing plate structure of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a schematic view of the structure of the insertion tube of the present invention;

fig. 6 is a schematic view of the structure of the sleeve of the present invention.

In the figure: 101. a valve body; 102. a valve seat; 103. a threaded rod; 104. a sleeve; 105. a chute; 106. A groove; 107. a connecting rod; 200. a sealing plate; 201. a plate body; 202. a card slot; 203. a fixing plate; 204. a through hole; 205. a round block; 206. inserting a tube; 207. air holes; 208. a whistle; 209. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a water stop valve for a gas pipeline comprises a valve body 101, a groove 106, a plate body 201, a fixing plate 203 and an insertion pipe 206, wherein a valve seat 102 is installed above the valve body 101, a threaded rod 103 is connected to the center of the valve seat 102 in a threaded manner, a sleeve 104 is fixedly connected to the outer side of the circumference of the middle end of the threaded rod 103, a sliding groove 105 is formed in the outer side of the circumference of the sleeve 104, the groove 106 is formed in the valve body 101, a connecting rod 107 is arranged in the groove 106, one end of the connecting rod 107 is slidably connected to the inner portion of the sliding groove 105, and;

wherein, the valve body 101 is a normal check valve, the opening and closing of the valve body 101 can be controlled by rotating the threaded rod 103, the sleeve 104 rotates along with the threaded rod 104, the connecting rod 107 slides in the sliding slot 105 in the sleeve 104, so the connecting rod 107 does not rotate along with the threaded rod 104, but moves up and down along with the threaded rod 104, the sealing plate 200 is used for carrying out a second sealing insurance on the inside of the valve body 101,

the sealing plate 200 comprises a plate body 201, a clamping groove 202, a fixing plate 203, a through hole 204, a round block 205, an inserting tube 206, an air hole 207, a whistle 208 and a spring 209, the clamping groove 202 has been seted up to one side that the plate body 201 is close to the threaded rod 103, one side of the inner wall of the clamping groove 202 is connected with the fixing plate 203 through the spring 209, the through hole 204 has been seted up to the inside of fixing plate 203, the inside of through hole 204 is provided with round block 205, the side fixedly connected with inserting tube 206 of round block 205, the side of inserting tube 206 runs through the plate body 201, a plurality of air holes 207 have been seted up to one side that the inserting tube

Wherein, the plate body 201 can guarantee sealed effect with the inside laminating of valve body 101, draw-in groove 202 is used for placing fixed plate 203, peg graft in the inside of through-hole 204 during the disk 205, the sealing washer of valve body 101 inside valve clack department breaks, lead to the inside pressure of valve body 101 to increase, will cause the extrusion to disk 205, thereby lead to the through-hole 204 to open, gas pocket 207 is mainly for being used for making things convenient for the inside that the gas got into intubate 206, and let the gas pass through whistle 208 and make a sound, come to report to the police to the personnel.

Furthermore, for better operation of the device, the number of the air holes 207 is not less than two, the aperture size of the air holes 207 is 0.3-0.5cm, the position of the joint of the bottom of the inner wall of the groove 106 and the sealing plate 200 is fixedly connected with a dynamic sealing ring, the position of the joint of the round block 205 and the through hole 204 is fixedly connected with a dynamic sealing ring in an adhesive manner, the size length of the sealing plate 200 is not less than 10cm, one end of the spring 209 is fixedly connected with the inner wall of the clamping groove 202, the other end of the spring 209 is fixedly connected with the fixing plate 203, and the inner diameter size of the pipe wall of the.

The working principle is as follows: the utility model discloses when using, seal valve body 101 through rotating threaded rod 103 pushing down the valve clack, sealing plate 200 also can move down thereupon, when the sealing washer of valve clack became invalid, the inside of valve body 101 can be leaked to remaining gas, increase and can lead to the fact the extrusion to disk 205 when the inside pressure of valve body 101, and then promote disk 205 and cause through-hole 204 to open, the gas can get into the inside of draw-in groove 202, the extrusion through gas pressure enters gas pocket 207, and then get into the inside of intubate 206, and then through the principle that whistle 208 produced sound through friction vibrations, thereby let whistle 208 sound, send out the police dispatch newspaper.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stagnant water valve for gas pipeline, includes valve body (101), recess (106), plate body (201), fixed plate (203) and intubate (206), disk seat (102) are installed to valve body (101) top, the centre of a circle department threaded connection of disk seat (102) has threaded rod (103), its characterized in that: a sleeve (104) is fixedly connected to the outer side of the circumference of the middle end of the threaded rod (103), a sliding groove (105) is formed in the outer side of the circumference of the sleeve (104), a groove (106) is formed in the valve body (101), a connecting rod (107) is arranged in the groove (106), one end of the connecting rod (107) is connected to the inside of the sliding groove (105) in a sliding mode, and a sealing plate (200) is fixedly connected to the other end of the connecting rod (107);

the sealing plate (200) comprises a plate body (201), a clamping groove (202), a fixing plate (203), a through hole (204), a round block (205), an insertion tube (206), an air hole (207), a whistle (208) and a spring (209), a clamping groove (202) is arranged on one side of the plate body (201) close to the threaded rod (103), one side of the inner wall of the clamping groove (202) is connected with a fixing plate (203) through a spring (209), a through hole (204) is arranged inside the fixing plate (203), a round block (205) is arranged inside the through hole (204), the side end of the round block (205) is fixedly connected with an insertion tube (206), the side end of the insertion tube (206) penetrates through the plate body (201), one side of the insertion tube (206) close to the fixing plate (203) is provided with a plurality of air holes (207), a whistle (208) is fixedly connected inside one side of the insertion tube (206) far away from the fixing plate (203);

the number of the air holes (207) is not less than two, the aperture size of the air holes (207) is 0.3-0.5cm, the position of the joint of the bottom of the inner wall of the groove (106) and the sealing plate (200) is fixedly connected with a dynamic sealing ring, and the position of the joint of the round block (205) and the through hole (204) is fixedly connected with the dynamic sealing ring in an adhesive mode.

2. The water stop valve for a gas pipeline according to claim 1, characterized in that: one end of the spring (209) is fixedly connected with the inner wall of the clamping groove (202), and the other end of the spring (209) is fixedly connected with the fixing plate (203).