CN215334601U

CN215334601U - Butterfly valve convenient to replace sealing ring

Info

Publication number: CN215334601U
Application number: CN202121095972.5U
Authority: CN
Inventors: 于长永; 于学路
Original assignee: Tianjin City Yongtuo Machinery Co ltd
Current assignee: Tianjin City Yongtuo Machinery Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-28
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to the technical field of valves and discloses a butterfly valve convenient for replacing a sealing ring, which comprises a pipeline, wherein the upper end of the pipeline is provided with a communicating hole, a valve body is fixedly arranged in the pipeline, the valve body is a ball body with a hollow inner part, two sides of the valve body are respectively provided with a communicating groove communicated with the pipeline, a stop block is movably arranged in the valve body, and the stop block is a ball body with a hollow inner part. According to the utility model, when the spherical surface of the valve body rotates to the position of the communicating groove, the liquid inside the valve body is blocked by the spherical surface of the valve body, when the groove on the valve body rotates to the position corresponding to the communicating groove, the liquid on the two sides of the valve body can circulate through the valve body and the stop block, and at the moment, when the valve clack moves a small angle at the moment that high-pressure water flow is discharged through the valve body, the water flow is radiated along the direction of the valve clack, the high-pressure water flow is radiated to the side wall of the pipeline to vibrate the pipeline, and the pipeline is deformed after a long time, so that the pipeline is leaked.

Description

Butterfly valve convenient to replace sealing ring

Technical Field

The utility model relates to the technical field of valves, in particular to a butterfly valve convenient for replacing a sealing ring.

Background

The butterfly valve is a regulating valve with simple structure, can be used for on-off control of low-pressure pipeline media, can rotate around a valve shaft to open and close, and can be used for controlling the flow of various types of fluids such as air, water vapor, slurry, oil products and the like. The existing butterfly valve has poor tightness and leakage easily occurs at the valve clack and the valve seat. And the connection between the valve clack and the valve rod is fixed through the pin, and the leakage condition is very easy to occur at the pin connection part, and the tightness of the butterfly valve is also influenced.

Chinese patent CN207961555U discloses a butterfly valve, including valve body, valve rod and disk seat, be equipped with the valve clack in the disk seat, valve body, disk seat and valve clack are worn to locate in proper order by the valve rod, the valve rod includes first end, intermediate part and second end, and the intermediate part of valve rod is worn to locate in the valve clack, the disk seat is made by rubber materials, and the valve body forms annular flange all extends from both ends around the disk seat, be equipped with the chamber that leads to the water in the disk seat, the valve clack is located the water-passing intracavity, the valve clack includes the middle cylindrical linkage portion that sets up to and the left flap body and the right flap body that set up with linkage portion an organic whole, be equipped with the plane boss on the inner wall in chamber that leads to the water, the upper and lower both ends of linkage portion closely contradict on the plane boss, left flap body and right flap body are the semicircular setting, and the arcwall in chamber closely contradict with the water-passing through, be equipped with the logical groove that supplies the valve rod to wear to establish in the linkage portion, the connecting openings at the two ends of the through groove are provided with sealing rings, the middle part of the valve rod is provided with a spline, the linkage part is provided with a spline groove, and the valve rod is fixedly connected with the valve clack through the spline.

However, the technical scheme has the defect that when high-pressure water flows pass through the valve body to be discharged at the moment, the valve clack moves at a small angle, the water flows are radiated along with the direction of the valve clack, the high-pressure water flows are radiated to the side wall of the pipeline to vibrate the pipeline, and the pipeline is deformed to cause the pipeline leakage condition after a long time. To this end, we propose a butterfly valve that facilitates replacement of the sealing ring.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a butterfly valve convenient for replacing a sealing ring.

In order to achieve the purpose, the butterfly valve convenient for replacing the sealing ring comprises a pipeline, wherein a communicating hole is formed in the upper end of the pipeline, a valve body is fixedly installed inside the pipeline, the valve body is a hollow sphere, communicating grooves communicated with the pipeline are formed in two sides of the valve body, a stop block is movably installed inside the valve body, the stop block is a hollow sphere, grooves communicated with the pipeline are formed in the positions, corresponding to the communicating grooves, of the two sides of the stop block, a movable hole is formed in the upper end of the communicating groove, and a rotating device is arranged at the upper end of the stop block.

Preferably, the rotating device comprises a rotating block, the rotating block is arranged at a position, corresponding to the movable hole, of the upper end of the stop block, a connecting block is fixedly arranged at the upper end of the rotating block, a fixed block is fixedly arranged at the upper end of the connecting block, a connecting rod is fixedly arranged on the outer side of the fixed block, and a stop ring is fixedly arranged at one end, far away from the fixed block, of the connecting rod.

Preferably, the inside of dog is provided with diverging device, and diverging device includes the reposition of redundant personnel piece, and the reposition of redundant personnel piece is trapezoidal piece, and the reposition of redundant personnel piece has two sets ofly, and two sets of reposition of redundant personnel pieces mirror image are installed in the side of recess, and the splitter box has been seted up to the side of reposition of redundant personnel piece.

Preferably, the outer side of the connecting rod is sleeved with an anti-slip sleeve which is a C-shaped block.

Advantageous effects

The utility model provides a butterfly valve convenient for replacing a sealing ring. The method has the following beneficial effects:

(1) the butterfly valve convenient for replacing the sealing ring rotates the connecting rod by putting the handle on the connecting rod, the connecting rod drives the fixed block to rotate, the fixed block drives the connecting block to rotate in the communicating hole, the connecting block drives the rotating block to rotate, the rotating block drives the stop block to rotate, the stop block rotates in the valve body, when the spherical surface of the valve body rotates to the position of the communicating groove, the liquid inside is blocked by the spherical surface of the valve body, when the groove on the valve body rotates to the position corresponding to the communicating groove, the liquid on the two sides of the valve body can circulate through the valve body and the stop block, and the liquid flows through the middle of the pipeline, so that the phenomenon that when the valve clack moves a small angle at the moment that high-pressure water flow is discharged through the valve body, the water flow is radiated along the direction of the valve clack and the high-pressure water flow is radiated to the side wall of the pipeline is avoided, the pipeline is vibrated, and the pipeline is deformed after a long time, so that the pipeline leakage is caused.

(2) This butterfly valve convenient to replace sealing ring, when opening the valve body for the first time, a large amount of rivers strike the inside to the valve body with high speed in the pipeline, rivers strike the side to the reposition of redundant personnel piece, the guide through two sets of reposition of redundant personnel pieces makes the inside rivers of valve body can quick outflow, avoided high-speed rivers that get into the valve body inside to lead to rivers to form the swirl in the inside of valve body along with the side flow of valve body, the impact force interact between the rivers that form the swirl and the outside rivers influences the condition mode of drainage efficiency.

Drawings

Fig. 1 is a partial structural schematic diagram of a first embodiment of the present invention;

FIG. 2 is a schematic partial structure diagram according to a second embodiment of the present invention;

fig. 3 is a schematic partial structure diagram of a third embodiment of the present invention.

Illustration of the drawings:

1. a pipeline; 2. a communicating hole; 3. a valve body; 4. a communicating groove; 5. a stopper; 6. a groove; 7. a movable hole; 8. a rotating device; 81. rotating the block; 82. connecting blocks; 83. a fixed block; 84. a connecting rod; 85. a baffle ring; 9. a flow divider; 91. a shunting block; 92. a shunt slot; 10. an anti-slip sleeve.

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.

The first embodiment is as follows:

as shown in fig. 1, a butterfly valve convenient for replacing a sealing ring comprises a pipeline 1, wherein the upper end of the pipeline 1 is provided with a communication hole 2, the communication hole 2 is a circular through hole, a valve body 3 is fixedly installed inside the pipeline 1, the valve body 3 is a hollow sphere, both sides of the valve body 3 are provided with communication grooves 4 communicated with the pipeline 1, a stop block 5 is movably installed inside the valve body 3, the stop block 5 is a hollow sphere, both sides of the stop block 5 corresponding to the positions of the communication grooves 4 are provided with grooves 6 communicated with the pipeline 1, the upper end of the communication groove 4 is provided with a movable hole 7, the movable hole 7 is a circular through hole, and the upper end of the stop block 5 is provided with a rotating device 8;

the rotating device 8 comprises a rotating block 81, the rotating block 81 is in a circular column shape, the rotating block 81 is installed at the position, corresponding to the movable hole 7, of the upper end of the stop block 5, the rotating block 81 upwards penetrates through the inside of the movable hole 7 and extends to the inside of the communicating hole 2, a connecting block 82 is fixedly installed at the upper end of the rotating block 81, the connecting block 82 is in a circular column shape matched with the diameter of the communicating hole 2, a fixing block 83 is fixedly installed at the upper end of the connecting block 82, a connecting rod 84 is fixedly installed on the outer side of the fixing block 83, and a stop ring 85 is fixedly installed at one end, far away from the fixing block 83, of the connecting rod 84.

When the connecting rod type liquid valve is used, the connecting rod 84 is placed on the connecting rod 84 through a handle, the connecting rod 84 drives the fixing block 83 to rotate, the fixing block 83 drives the connecting block 82 to rotate inside the communicating hole 2, the connecting block 82 drives the rotating block 81 to rotate, the rotating block 81 drives the stop block 5 to rotate, the stop block 5 rotates inside the valve body 3, when the spherical surface of the valve body 3 rotates to the position of the communicating groove 4, the liquid inside the valve body is stopped by the spherical surface of the valve body 3, when the groove 6 in the valve body 3 rotates to the position corresponding to the communicating groove 4, the liquid on the two sides of the valve body 3 can flow through the valve body 3 and the stop block 5, and at the moment, the liquid flows through the middle of the pipeline 1.

Example two:

on the basis of the first embodiment, as shown in fig. 2, the dividing device 9 is arranged inside the stop block 5, the dividing device 9 includes dividing blocks 91, the dividing blocks 91 are trapezoidal blocks, the dividing blocks 91 are two sets, the two sets of dividing blocks 91 are arranged on the side surface of the groove 6 in a mirror image manner, the dividing grooves 92 are formed in the side surface of the dividing blocks 91, and the dividing grooves 92 are rectangular grooves.

When using, when opening valve body 3 for the first time, a large amount of rivers impact to the inside of valve body 3 with high speed in the pipeline 1, and rivers impact to the side of reposition of redundant personnel piece 91, and the guide through two set of reposition of redundant personnel piece 91 makes the inside rivers of valve body 3 can be quick outflow.

Example three:

on the basis of the first embodiment, as shown in fig. 3, the anti-slip sleeve 10 is sleeved on the outer side of the connecting rod 84, and the anti-slip sleeve 10 is a C-shaped block.

The friction between the link 84 and the hand is increased by the anti-slip cover 10.

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 butterfly valve convenient to replace sealing ring, includes pipeline (1), intercommunicating pore (2), its characterized in that have been seted up to the upper end of pipeline (1): the pipeline-type ball valve is characterized in that a valve body (3) is fixedly mounted inside the pipeline (1), the valve body (3) is a hollow ball, communicating grooves (4) communicated with the pipeline (1) are formed in the two sides of the valve body (3), a stop block (5) is movably mounted inside the valve body (3), the stop block (5) is a hollow ball, grooves (6) communicated with the pipeline (1) are formed in the positions, corresponding to the communicating grooves (4), of the two sides of the stop block (5), movable holes (7) are formed in the upper end of the communicating grooves (4), and rotating devices (8) are arranged at the upper end of the stop block (5).

2. A butterfly valve for facilitating replacement of a seal ring in accordance with claim 1, wherein: rotating device (8) include turning block (81), and turning block (81) are installed on the position of the upper end correspondence activity hole (7) of dog (5), and the upper end fixed mounting of turning block (81) has connecting block (82), and the upper end fixed mounting of connecting block (82) has fixed block (83), and the outside fixed mounting of fixed block (83) has connecting rod (84), and the one end fixed mounting that fixed block (83) were kept away from in connecting rod (84) has fender ring (85).

3. A butterfly valve for facilitating replacement of a seal ring in accordance with claim 1, wherein: the inside of dog (5) is provided with diverging device (9), and diverging device (9) are including dividing stream block (91), divide stream block (91) to be trapezoidal piece, divide stream block (91) to have two sets ofly, and two sets of stream block (91) mirror images are installed in the side of recess (6), and splitter box (92) have been seted up to the side of dividing stream block (91).

4. A butterfly valve for facilitating replacement of a seal ring in accordance with claim 2, wherein: the outer side of the connecting rod (84) is sleeved with an anti-slip sleeve (10), and the anti-slip sleeve (10) is a C-shaped block.