CN210344370U

CN210344370U - Safety valve with good sealing performance

Info

Publication number: CN210344370U
Application number: CN201920788067.4U
Authority: CN
Inventors: 邹雷; 刘可平; 陈贤孝
Original assignee: Universal Valve Co ltd
Current assignee: Universal Valve Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-04-17
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a better safety valve of leakproofness relates to safety valve technical field, including the pipeline, the through-hole has been seted up and the pipe wall has been formed to the inside of pipeline, and the inner wall of pipeline is provided with the standpipe, and the inner wall of standpipe is provided with sealed the pad, and the inner wall of standpipe is provided with the valve rod, and the top threaded connection of valve rod has the handle, and the positive fixed mounting of handle has elastic spring, and the positive sliding connection of handle has the bolt, elastic spring and bolt fixed connection, and valve rod bottom fixed mounting has seal structure, and the inside fixed mounting of valve rod has the anti-skidding silk structure. The utility model discloses in, through setting up the inflation stopper for the mode through strength blocks up the through hole, reaches the effect of quick-closing valve, because the expansion property of inflation stopper, can be so that the complete jam through hole of inflation stopper, and reach the effect that agrees with completely, has improved the leakproofness of this valve, and structural design is ingenious simultaneously, makes easy operation convenient, reduces workman's intensity of labour.

Description

Safety valve with good sealing performance

Technical Field

The utility model relates to a safety valve technical field especially relates to a better safety valve of leakproofness.

Background

The natural gas is used as an environment-friendly energy source and widely used by people, but if the natural gas leaks, serious safety accidents can be caused, and the existing natural gas valve is easy to leak gas.

When the traditional safety valve is used, a ball plug is usually adopted for closing and opening, and when the ball plug is used for a long time, abrasion can be generated, so that the sealing performance is not high, and the leakage condition can be generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a better safety valve of leakproofness to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides a better safety valve of leakproofness, includes the pipeline, the through-hole has been seted up and the pipe wall has been formed to the inside of pipeline, the inner wall of pipeline is provided with the standpipe, the inner wall of standpipe is provided with sealed the pad, the inner wall of standpipe is provided with the valve rod, the top threaded connection of valve rod has the handle, the positive fixed mounting of handle has elastic spring, the positive sliding connection of handle has the bolt, elastic spring and bolt fixed connection, valve rod bottom fixed mounting has seal structure, the inside fixed mounting of valve rod has the anti-skidding silk structure.

Preferably, the sealing gasket is positioned outside the valve rod, and the sealing gasket is connected with the valve rod in a sliding mode.

Preferably, one end, located at the pipeline, of the bottom of the valve rod is fixedly provided with a ball body, and a through hole is formed in the ball body.

Preferably, seal structure includes the sliding frame, spheroidal surface fixed mounting has the sliding frame, the inner wall sliding connection of sliding frame has the spin, the inside sliding connection of sliding frame has the rectangle frame, spin and rectangle frame fixed connection, the inside fixed mounting of rectangle frame has the gasbag, one side fixed mounting that the inside of rectangle frame is located the gasbag has the diaphragm, the inside that leads to the hole is provided with the inflation stopper, the front intercommunication of inflation stopper has the hollow tube, hollow tube and gasbag fixed connection.

Preferably, the bottom of the air bag is communicated with a leather hose, and one end of the leather hose, which is far away from the air bag, is communicated with the hollow pipe.

Preferably, the anti-skidding silk structure includes the spring, the inside fixed mounting of valve rod has the spring, one side sliding connection that the inside of valve rod is located the spring has the piston, the top fixed mounting of piston has the connecting rod, the slot has been seted up at the top of connecting rod, the size and dimension looks adaptation of slot and bolt.

Preferably, the number of the connecting rods is two, and the connecting rods are hinged through bearings.

The utility model has the advantages that:

1. the safety valve with better sealing performance, when the valve needs to be closed, the valve rod is rotated, the valve rod drives the ball body to rotate, the rolling ball is extruded by the pipe wall and slides along the inner wall of the sliding frame, the rolling ball drives the rectangular frame to slide, the hollow pipe slides along the rectangular frame and pushes the air bag to extrude to the transverse plate, the air bag is compressed and transmits gas into the hollow pipe through the leather hose, the hollow pipe transmits the gas inside the air bag into the expansion plug, the expansion plug blocks the through hole to achieve the closing effect, the through hole is blocked in a pneumatic mode by arranging the expansion plug, the effect of quickly closing the valve is achieved, the expansion plug can completely block the through hole due to the expansion performance of the expansion plug, the completely fit effect is achieved, the sealing performance of the valve is improved, meanwhile, the structural design is ingenious, the operation is simple and convenient, the labor intensity of workers is reduced.

2. This better safety valve of leakproofness, when handle and valve body take place the corrosion smooth silk, extrude the connecting rod downwards, the connecting rod extrudees the piston, make the piston slide along the inner wall of connecting rod, piston extrusion spring simultaneously, the bolt slides simultaneously, make the bolt break away from the connecting rod, at this moment, the effect through the bearing, make the connecting rod to control the rotation, only swivelling joint pole, make the connecting rod drive the valve rod and rotate, the realization is closed and is opened, through setting up the anti-skidding silk device, make when the valve takes place the corrosion without the handle for a long time, still possess the effect that can rotate the valve rod, the possibility that anti-emergence emergency valve can not be used has been reduced, the practicality of valve is improved.

Drawings

Fig. 1 is a schematic structural view of a safety valve with better sealing performance according to the present invention;

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

fig. 3 is a schematic structural view of the anti-slip thread structure of the safety valve with better sealing performance.

Reference numerals: 1. a pipeline; 2. a tube wall; 3. a vertical tube; 4. a gasket; 5. a valve stem; 51. a sphere; 52. a hole is formed; 6. a handle; 61. an elastic spring; 62. a bolt; 7. a sealing structure; 71. a sliding frame; 72. rolling a ball; 73. a rectangular frame; 74. an air bag; 75. an expansion plug; 76. a hollow tube; 77. a leather hose; 8. an anti-slip thread structure; 81. a spring; 82. a piston; 83. a connecting rod; 84. a bearing; 85. and (4) a slot.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

This embodiment 1, as shown in fig. 1, a better safety valve of leakproofness, including pipeline 1, the through-hole has been seted up and pipe wall 2 has been formed to pipeline 1's inside, pipeline 1's inner wall is provided with standpipe 3, standpipe 3's inner wall is provided with sealed 4, standpipe 3's inner wall is provided with valve rod 5, valve rod 5's top threaded connection has handle 6, handle 6's positive fixed mounting has elastic spring 61, handle 6 openly sliding connection has bolt 62, elastic spring 61 and bolt 62 fixed connection, valve rod 5 bottom fixed mounting has seal structure 7, the inside fixed mounting of valve rod 5 has anti-skidding silk structure 8.

As shown in fig. 1, preferably, the sealing gasket 4 is located outside the valve rod 5, and the sealing gasket 4 is slidably connected with the valve rod 5, and by arranging the sealing gasket 4 outside the valve rod 5, when the valve rod 5 rotates, leakage is avoided, and the sealing performance of the valve is improved.

As shown in fig. 1, preferably, a ball 51 is fixedly installed at one end of the pipe 1 at the bottom of the valve rod 5, and a through hole 52 is opened inside the ball 51, which is a common structure and will not be explained in more detail.

The following specifically describes the specific arrangement and function of the sealing structure 7 and the anti-slip thread structure 8:

as shown in fig. 2, the sealing structure 7 includes a sliding frame 71, the sliding frame 71 is fixedly mounted on the outer surface of the sphere 51, a rolling ball 72 is slidably connected to the inner wall of the sliding frame 71, a rectangular frame 73 is slidably connected to the inside of the sliding frame 71, the rolling ball 72 is fixedly connected to the rectangular frame 73, an air bag 74 is fixedly mounted inside the rectangular frame 73, a transverse plate is fixedly mounted inside the rectangular frame 73 and positioned on one side of the air bag 74, an expansion plug 75 is arranged inside the through hole 52, a hollow tube 76 is communicated with the front side of the expansion plug 75, and the hollow tube 76 is fixedly connected to the air bag 74.

As shown in fig. 2, preferably, the bottom of the air bag 74 is communicated with a leather tube 77, and one end of the leather tube 77 far away from the air bag 74 is communicated with the hollow tube 76, when the hollow tube 76 presses the air bag 74, the gas in the air bag 74 is transmitted into the hollow tube 76 through the leather tube 77 and then transmitted into the inflation plug 75 through the hollow tube 76, so as to achieve the effect of blocking the through hole 52.

The motion principle and the achieved effect of the whole sealing structure 7 are as follows: when the valve needs to be closed, the valve rod 5 is rotated, the valve rod 5 drives the ball body 51 to rotate, the rolling ball 72 is extruded by the pipe wall 2 and slides along the inner wall of the sliding frame 71, the rolling ball 72 drives the rectangular frame 73 to slide, the hollow pipe 76 slides along the rectangular frame 73 and pushes the air bag 74 to extrude to the transverse plate, the air bag 74 is compressed and transmits the air into the hollow pipe 76 through the leather hose 77, the hollow pipe 76 transmits the air in the air bag 74 into the expansion plug 75, so that the expansion plug 75 blocks the through hole 52 to achieve the closing effect, the through hole 52 is blocked in a pneumatic mode by arranging the expansion plug 75 to achieve the effect of quickly closing the valve, because of the expansion performance of the expansion plug 75, the through hole 52 can be completely blocked by the expansion plug 75 and the completely fit effect can be achieved, the sealing performance of the valve is improved, and the structural design is ingenious, the operation is simple and convenient, and the labor intensity of workers is reduced.

As shown in fig. 3, the anti-slip thread structure 8 includes a spring 81, the spring 81 is fixedly mounted inside the valve rod 5, a piston 82 is slidably connected to one side of the spring 81 inside the valve rod 5, a connecting rod 83 is fixedly mounted on the top of the piston 82, a slot 85 is formed in the top of the connecting rod 83, and the slot 85 is matched with the plug 62 in size.

As shown in fig. 3, preferably, the number of the connecting rods 83 is two, and the connecting rods 83 are hinged by the bearings 84, so that the connecting rods 83 have a rotating effect by providing a rotating shaft.

The motion principle and the achieved effect of the whole anti-skid wire structure 8 are as follows: when handle 6 and valve body take place the corrosion smooth silk, extrude connecting rod 83 downwards, connecting rod 83 extrudees piston 82, make piston 82 slide along the inner wall of connecting rod 83, piston 82 extrudees spring 81 simultaneously, slide bolt 62 simultaneously, make bolt 62 break away from connecting rod 83, at this moment, rotate connecting rod 83, effect through bearing 84, make connecting rod 83 rotate to the left and right sides, only swivel joint pole 83, make connecting rod 83 drive valve rod 5 and rotate, realize closing and opening, through setting up the anti-skidding silk device, make when the valve need not handle 6 take place the corrosion for a long time, still possess the effect that can rotate valve rod 5, the possibility that anti-emergence emergency valve can not be used has been reduced, improve the practicality of valve.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The safety valve with better sealing performance comprises a pipeline and is characterized in that: the through-hole has been seted up and the pipe wall has been formed to the inside of pipeline, the inner wall of pipeline is provided with the standpipe, the inner wall of standpipe is provided with sealed the pad, the inner wall of standpipe is provided with the valve rod, the top threaded connection of valve rod has the handle, the positive fixed mounting of handle has elastic spring, the positive sliding connection of handle has the bolt, elastic spring and bolt fixed connection, valve rod bottom fixed mounting has seal structure, the inside fixed mounting of valve rod has the antiskid silk structure.

2. A safety valve with better sealing performance according to claim 1, characterized in that: the sealing gasket is positioned outside the valve rod and is in sliding connection with the valve rod.

3. A safety valve with better sealing performance according to claim 1, characterized in that: the bottom of the valve rod is fixedly provided with a ball body at one end of the pipeline, and a through hole is formed in the ball body.

4. A safety valve with better sealing performance according to claim 3, characterized in that: seal structure includes the sliding frame, spheroidal surface fixed mounting has the sliding frame, the inner wall sliding connection of sliding frame has the spin, the inside sliding connection of sliding frame has the rectangle frame, spin and rectangle frame fixed connection, the inside fixed mounting of rectangle frame has the gasbag, one side fixed mounting that the inside of rectangle frame is located the gasbag has the diaphragm, the inside that leads to the hole is provided with the inflation stopper, the front intercommunication of inflation stopper has the hollow tube, hollow tube and gasbag fixed connection.

5. The safety valve with better sealing performance as claimed in claim 4, wherein: the bottom of the air bag is communicated with a leather hose, and one end of the leather hose, which is far away from the air bag, is communicated with the hollow pipe.

6. A safety valve with better sealing performance according to claim 1, characterized in that: the anti-skidding wire structure comprises a spring, the spring is fixedly arranged in the valve rod, a piston is slidably connected to one side, located on the spring, of the valve rod, a connecting rod is fixedly arranged at the top of the piston, a slot is formed in the top of the connecting rod, and the slot is matched with the bolt in size.

7. The safety valve with better sealing performance as claimed in claim 6, wherein: the number of the connecting rods is two, and the connecting rods are hinged through bearings.