CN218543254U - PE diffuses ball valve - Google Patents

Abstract

The utility model belongs to the technical field of valves, in particular to a PE diffusion ball valve; set up the valve ball in the valve body including valve body and rotation, its characterized in that still includes: the valve rod is arranged in the valve body and is embedded on the valve ball; the bleeding component is arranged in the valve body and used for bleeding the pressure exceeding the rated value; the display assembly is arranged on the valve body and used for displaying the detected pressure value of the inflammable gas conveyed in the valve body; wherein, the display module includes: the connecting cylinder is arranged on the valve body; the pressure sensor is used for detecting the pressure generated when combustible explosive gas is conveyed in the valve body and sending the detected information to the controller; the controller converts the information detected by the pressure sensor into numerical values and sends the numerical values to the display screen, and the display screen is electrically connected with the controller and displays the received information. The utility model discloses a PE diffuses ball valve provides one kind can be accurate view the atmospheric pressure in the pipeline directly perceived.

Description

PE diffuses ball valve

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a PE diffuses ball valve.

Background

A relief ball valve is a safety pre-warning device for conveying combustible explosive gas by a pipeline, and when the pressure of a control point exceeds a set value due to a certain temporary reason, a certain amount of gas is discharged. The gas conveying pipelines are all provided with a diffusion ball valve.

Compared with the traditional metal ball valve, the PE diffusion ball valve can be directly buried in the aspect of structure, a valve well does not need to be built, and the PE diffusion ball valve has the advantages of simplicity in operation, corrosion resistance, maintenance-free performance and small opening and closing torque; the valve has the advantages of convenient connection with a PE pipe network in the aspect of installation and construction, short construction period, light weight of the valve, easy carrying and welding, direct observation of welding quality and no need of complex nondestructive testing.

Current PE diffuses ball valve includes ball valve and valve body, connects the spanner of taking the coupling on the switch joint of valve body, and there is the sheath spanner outside, respectively sets up a diffusing device in the valve body both sides, and two diffusing devices pass through splint and sheath reciprocal anchorage, and diffusing device includes the mouth of diffusing that link up with the valve body, the pipe of diffusing that links to each other with the mouth of diffusing to and the valve of diffusing that the pipe upper end set up.

When the conventional PE diffusion ball valve is used for conveying combustible explosive gas, the PE diffusion ball valve is prone to failure, the failed PE diffusion ball valve cannot be transported normally, inconvenience is brought to life of people, and economic loss is brought to construction units or operation units, so that the failed PE diffusion ball valve needs to be maintained; maintenance person need know the problem place that PE diffuses the ball valve when maintaining PE diffuses the ball valve, for this reason, need know the pipeline and carry the produced pressure value of time to the inflammable gas, but the unable accurate atmospheric pressure of observing in the pipeline of present PE diffuses the ball valve makes the artifical unable accurate operation of being under construction, leads to the delay of construction operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists to the aforesaid, provide a PE that can be accurate the atmospheric pressure in the pipeline of observing directly perceivedly diffuses ball valve.

In view of this, the utility model provides a PE diffuses ball valve, set up the valve ball in the valve body including valve body and rotation, its characterized in that still includes:

the valve rod is arranged in the valve body and is embedded on the valve ball;

the bleeding component is arranged in the valve body and used for bleeding pressure exceeding a rated value;

the display component is arranged on the valve body and used for displaying and detecting the pressure value of the inflammable gas conveyed in the valve body;

wherein, the display module includes:

the connecting cylinder is arranged on the valve body;

the ventilating slot is arranged in the connecting cylinder and extends upwards along with the increase of the width of the ventilating slot;

the pressure sensor is used for detecting the pressure generated when combustible explosive gas is conveyed in the valve body and sending the detected information to the controller;

the controller converts the information detected by the pressure sensor into a numerical value and sends the numerical value to the display screen,

and the display screen is electrically connected with the controller and displays the received information.

In this technical scheme, because the pipeline is when carrying combustible explosive gas, produced pressure exceeds the setting value, just need open the valve, make pressure recovery in the rated value, guarantee equipment and pipeline medium pressure under the set pressure, when PE diffuses the ball valve and breaks down, need maintain PE diffusion ball valve, need know the problem place that PE diffused the ball valve in the maintenance process, for this, need know the pipeline and carry the produced pressure value when the combustible gas body is carried, but the unable audio-visual pressure value of watching combustible gas transport of present PE diffusion ball valve, lead to the construction effect to delay, the life of giving people brings inconvenience, also can bring economic loss for construction unit or operation unit.

Wherein, produced pressure when carrying combustible explosive gas in the valve body through pressure sensor detection to send the information that detects for the controller, convert numerical value after the controller received information into, and demonstrate pressure numerical value from the display screen, with the pressure value of the internal gas of all-round tracking valve, thereby make a judgement, make things convenient for the staff to carry out maintenance work.

Specifically, combustible explosive gas is transported in the valve body, the gas is transported to the valve ball through the diffusing assembly, the diffusing assembly can control the air pressure in the valve body to be below a set pressure value and transport the gas to the other side from one side of the valve ball, when the air pressure generated in the transporting process of the gas exceeds a preset value, the gas in the valve body is discharged to be below the set pressure in order to avoid damaging the PE diffusing ball valve, at the moment, when the pressure sensor detects that the pressure generated by the gas transported in the valve body exceeds the preset value, the pressure sensor sends a signal, the controller receives the signal, converts the signal into a pressure value and controls the display bottle to display the pressure value, so that a worker can maintain the PE diffusing ball valve according to the pressure value, when the PE diffusing ball valve is maintained, the valve rod can be rotated to drive the valve ball to be in a closed state, the gas cannot be transported continuously, and finally the pressure value generated by gas transportation in the valve body can be detected in real time.

In the above technical solution, further, the diffusing component includes:

the shaft sleeve is arranged in the valve body;

the sliding rod is arranged on the shaft sleeve in a sliding manner;

the piston block is arranged on the sliding rod and moves upwards along the inner diameter of the ventilation groove to change the distance between the piston block and the ventilation groove;

the elastic piece is arranged between the pressure sensor and the shaft sleeve and provides downward moving elastic force for the pressure sensor;

the pressure relief valve is arranged above the connecting cylinder;

the button is arranged at the bottom of the pressure release valve;

when the pressure in the valve body exceeds a rated value, the piston block and the sliding rod move upwards, the sliding rod extrudes the button, and the pressure release valve is started to release the pressure.

In the technical scheme, when the pressure generated by the gas in the valve body in the transportation process exceeds a set value, the piston block can move upwards under the action of the air pressure, the piston block drives the sliding rod and the pressure sensor to move upwards, the elastic piece is stretched, the sliding rod moves upwards to be in contact with the button, and the button is squeezed to enable the pressure release valve to be opened, at the moment, the pressure release valve can discharge the air pressure in the valve body, so that the air pressure in the valve body is reduced, when the air pressure in the valve body is released to be below the set value, the piston block cannot be flushed up by the air pressure, under the resetting action of the elastic piece, the pressure sensor and the piston block move downwards, the piston block drives the sliding rod to move downwards to be in contact with the shaft sleeve, the sliding rod moves downwards to be separated from the contact with the button, at the moment, the pressure release valve is closed, so that the pressure release can be realized according to the change of the air pressure in the valve body, and the air pressure of the valve body can be kept in a stable state.

In any of the above technical solutions, further, the elastic member is a return spring.

In the technical scheme, the return spring is used as the elastic piece, so that the effect is good, the characteristics of convenience in installation, low price and the like are realized, and the production cost is saved.

In any of the above technical solutions, the ball valve further includes two sealing rings, which are respectively disposed on two sides of the valve body on the outer diameter of the valve ball.

In this technical scheme, set up the sealing ring through the both sides that are located the valve ball external diameter at the valve body, not only the leakproofness is good to there is good thermal shock resistance ability, has satisfied life under the assurance operating condition, though the position of sealing ring still can not be influenced to stirring that the valve ball produced at the during operation.

In any of the above technical solutions, further, the hydraulic control valve further includes a power assembly for changing a transmission torque of the opening and closing valve ball.

In this technical scheme, when need not transport natural gas, need rotate the valve rod and rotate the valve ball to close the transportation of valve ball to natural gas, but direct rotation valve rod drives the moment of valve ball rotation great, and inconvenient closing the valve ball appears closing shortcoming such as untight, interior hourglass, changes transmission moment through the power component transmission, thereby effectively increases the moment of torsion of closing, so be convenient for open and close the valve ball, it is convenient to use.

In any of the above technical solutions, further, the power assembly includes:

a housing having a mounting chamber therein;

the sleeve is arranged on the valve body, the valve rod is positioned in the inner cavity of the sleeve, and the valve rod penetrates through the installation cavity;

the main operating rod is arranged in the shell and extends out of the shell upwards;

the sun gear is arranged on the main operating rod and is positioned in the installation cavity;

the planet pinion is provided with more than two planet pinions which are meshed with the sun gear;

the inner teeth of the planet retainer are meshed with the planet pinions, and the outer side wall of the planet retainer is provided with outer teeth;

the first transmission gear is meshed with the outer teeth on the planet retainer;

the second transmission gear is coaxial with the first transmission gear;

and the sector gear is arranged on the valve rod and is meshed with the second transmission gear.

In this technical scheme, when needing to close the valve ball, at first the staff inserts the special key of opening and close the ball valve on the main action bars, and rotate the key and drive the main action bars rotation, the main action bars drives the sun gear and rotates, sun gear meshes with the planet pinion, thereby drive the planet pinion and rotate, the planet pinion meshes with the internal tooth of planet holder, thereby drive the planet holder and rotate, the external tooth of planet holder meshes with first transmission gear, make first transmission gear rotate, first transmission gear is coaxial with second transmission gear, second transmission gear rotates, second transmission gear meshes with sector gear, sector gear just rotates, sector gear drives the valve rod and rotates, valve rod rotation drives valve ball and rotates ninety degrees and closes, so alright reach the operation of closing the valve ball, easy operation, it is convenient to open and close the valve ball, high efficiency, high precision, when needing to transport natural gas, the reversal key drives the main action bars reversal, the main action bars drives the sun gear to reverse, then planet holder reverses, then planet ball reverses, then first transmission gear reverses, then second reversal transmission gear reverses, at this moment, sector gear drives the valve ball and turns on, the valve rod, it is convenient to open the natural gas, it is convenient to transport, it is convenient to open the valve ball, it is convenient to open the valve to open, the valve ball, it is convenient to transport.

In any of the above technical solutions, further, the valve further includes an auxiliary operating rod, one end of the auxiliary operating rod is connected with one end of the valve rod located in the installation chamber, and the other end of the auxiliary operating rod extends upwards out of the housing.

In this technical scheme, assist the action bars through the setting and directly link to each other with the valve rod to directly insert the key and drive the valve rod on assisting the action bars and open and close the ball valve, make the rotational torque bigger, it is longer to open and close speed, opens and closes the operation difficulty, and two kinds of techniques make things convenient for the staff just to open and close the ball valve and use, and the rotational speed that uses as required operates main action bars wherein or assists the action bars.

In any of the above technical solutions, the valve further comprises two connecting pipes, the two connecting pipes are respectively arranged on two sides of the valve body, the two connecting pipes are communicated with the valve body, and the inner diameters of the two connecting pipes are provided with internal threads.

In this technical scheme, set up the connecting pipe through the both sides at the valve body to set up the internal thread in the connecting pipe, make things convenient for valve body and other pipelines to carry out threaded connection, make its simple to operate, convenient to detach.

The beneficial effects of the utility model are that:

1. the pressure sensor is used for detecting the pressure generated when combustible and explosive gas is conveyed in the valve body and sending the detected information to the controller, the controller receives the information and converts the information into a numerical value, the numerical value of the pressure is displayed on the display screen, and the pressure value of the gas in the valve body is tracked in an all-dimensional manner, so that judgment is made, and a worker can conveniently perform maintenance work;

2. the piston block drives the slide rod to move upwards through impulsive force generated by air pressure, the slide rod moves to the extrusion button, the pressure release valve is started, the pressure release valve discharges the air pressure in the valve body, the piston block drives the slide rod to move downwards until the slide rod is separated from the button after the air pressure in the valve body is reduced to be lower than the set pressure, the pressure release valve is closed, and therefore the purpose of discharging air according to the change of the air pressure in the valve body can be achieved;

3. the sealing ring has good sealing performance and good thermal shock resistance so as to ensure satisfactory service life under working conditions, and the position of the sealing ring cannot be influenced by shifting of the valve ball during working;

4. through the mutual meshing of the main operating rod, the sun gear, the planet pinion, the planet retainer, the sector gear, the first transmission gear, the second transmission gear and the sector gear, the transmission torque is changed, and the valve ball is opened and closed better.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of the display module of the present invention;

FIG. 3 is a cross-sectional view of the diffusion assembly of the present invention;

fig. 4 is a block diagram of the controller system of the present invention;

fig. 5 is a first cross-sectional view of the power module of the present invention;

fig. 6 is a second cross-sectional view of the power module of the present invention;

the reference numbers in the figures are: 1. a valve body; 2. a valve ball; 3. a valve stem; 4. a diffusing component; 41. a shaft sleeve; 42. a slide bar; 43. a piston block; 44. an elastic member; 45. a pressure relief valve; 46. a button; 5. a display component; 51. a connecting cylinder; 52. a ventilation slot; 53. a pressure sensor; 54. a controller; 55. a display screen; 6. a seal ring; 7. a power assembly; 71. a housing; 72. a sleeve; 73. a main operating lever; 74. a sun gear; 75. a planet pinion gear; 76. a planetary cage; 77. a first drive gear; 78. a second transmission gear; 79. a sector gear; 710. installing a chamber; 8. an auxiliary operating lever; 9. a connecting pipe; 10. an internal thread.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, 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. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1-5, the present embodiment provides a PE diffusion ball valve, which includes a valve body 1 and a ball 2 rotatably disposed in the valve body 1, and is characterized by further including:

the valve rod 3 is arranged in the valve body 1 and is embedded on the valve ball 2;

the diffusing component 4 is arranged in the valve body 1 and is used for diffusing pressure exceeding a rated value;

the display component 5 is arranged on the valve body 1 and is used for displaying and detecting the pressure value of the inflammable gas conveyed in the valve body 1;

wherein, the display module 5 includes:

a connecting cylinder 51 provided on the valve body 1;

a ventilation groove 52 provided in the connecting cylinder 51 and extending upward as the width of the ventilation groove 52 increases;

a pressure sensor 53 for detecting a pressure generated when the combustible and explosive gas is fed into the valve body 1 and sending the detected information to the controller 54;

a controller 54 for converting the information detected by the pressure sensor 53 into a numerical value and sending the numerical value to a display 55,

and the display screen 55 is electrically connected with the controller 54 and displays the received information.

In this technical scheme, because the pipeline is when carrying combustible explosive gas, produced pressure exceeds the setting value, just need open the valve, make pressure recover to the rated value in, guarantee equipment and pipeline medium pressure under the setting pressure, when PE diffuses the ball valve and breaks down, need to maintain PE diffuse the ball valve, need know PE in the maintenance process and diffuse the problem place of ball valve, for this, need know the pipeline produced pressure value when carrying the combustible gas, but the unable audio-visual pressure value of watching combustible gas transport of present PE diffuse the ball valve, lead to the construction effect to delay, the life of giving people brings inconvenience, also can bring economic loss for construction unit or operation unit.

Wherein, produced pressure when carrying combustible explosive gas in the valve body 1 through pressure sensor 53 to give controller 54 with the information transmission who detects, convert numerical value into after the controller 54 received information, and show pressure numerical value from display screen 55, with the gaseous pressure value in the all-round tracking valve body 1, thereby make a judgement, make things convenient for the staff to carry out maintenance work.

Specifically, combustible explosive gas is transported in the valve body 1, the gas is conveyed to the valve ball 2 through the diffusing assembly 4, the diffusing assembly 4 can control the gas pressure in the valve body 1 to be below a set pressure value and convey the gas to the other side from one side of the valve ball 2, when the gas pressure generated in the conveying process exceeds a preset value, in order to avoid damaging the PE diffusing ball valve, the gas in the valve body 1 is discharged to be below the set pressure value, at the moment, when the pressure sensor 53 detects that the pressure generated by the gas conveyed in the valve body 1 exceeds the preset value, the pressure sensor 53 sends a signal, the controller 54 receives the signal and converts the signal into a pressure value, and controls the display bottle to display the pressure value, so that a worker can maintain the diffusing ball valve according to the pressure value, when the PE diffusing ball valve is maintained, the valve rod 3 can be rotated, the valve ball 2 is driven to be in a closed state by the valve rod 3, the gas can not be continuously transported, and finally, the pressure value generated by the gas conveying in the valve body 1 can be detected in real time, the PE diffusing ball valve can be conveniently operated, and the operation is simple.

Example 2:

the embodiment provides a PE diffusion ball valve, which comprises the technical scheme of the embodiment and also has the following technical characteristics.

As shown in fig. 1 to 3, in the present embodiment, the diffusing member 4 preferably includes:

a sleeve 41 disposed in the valve body 1;

a sliding rod 42, which is arranged on the shaft sleeve 41 in a sliding way;

a piston block 43 disposed on the sliding rod 42, the piston block 43 moving upward along the inner diameter of the ventilation groove 52 to change the distance between the piston block 43 and the ventilation groove 52;

an elastic member 44 disposed between the pressure sensor 53 and the boss 41, the elastic member 44 providing an elastic force moving downward to the pressure sensor 53;

a relief valve 45 provided above the connecting cylinder 51;

a button 46 arranged at the bottom of the pressure release valve 45;

when the pressure in the valve body 1 exceeds a rated value, the piston block 43 and the sliding rod 42 move upwards, the sliding rod 42 presses the button 46, and the pressure relief valve 45 is started to relieve the pressure.

In the technical scheme, when the pressure generated by the gas in the valve body 1 in the transportation process exceeds a set value, the piston block 43 moves upwards under the action of the air pressure, the piston block 43 drives the sliding rod 42 and the pressure sensor 53 to move upwards, the elastic member 44 is stretched, the sliding rod 42 moves upwards to be in contact with the button 46 and extrude the button 46, so that the pressure release valve 45 is opened, at this time, the pressure release valve 45 can discharge the air pressure in the valve body 1, and therefore the air pressure in the valve body 1 is reduced, when the air pressure in the valve body 1 is released to be below the set value, the air pressure does not flush the piston block 43, under the resetting action of the elastic member 44, the pressure sensor 53 and the piston block 43 move downwards, the piston block 43 drives the sliding rod 42 to move downwards to be in contact with the shaft sleeve 41, the sliding rod 42 moves downwards to be out of contact with the button 46, at this time, the pressure release valve 45 is closed, and therefore, the air pressure of the valve body 1 can be discharged according to the change of the air pressure in the valve body 1, and the air pressure of the valve body 1 can be kept in a stable state.

As shown in fig. 2 and 3, in the present embodiment, the elastic member 44 is preferably a return spring.

In the technical scheme, the return spring is used as the elastic piece 44, so that the effect is good, the characteristics of convenience in installation, low price and the like are realized, and the production cost is saved.

In the present embodiment, as shown in fig. 2, it is optimized that two sealing rings 6 are further included, and are respectively disposed on two sides of the valve body 1 on the outer diameter of the valve ball 2.

In this technical scheme, set up sealing ring 6 through the both sides that are located valve ball 2 external diameters at valve body 1, not only the leakproofness is good to there is good thermal shock resistance ability, has satisfied life under the assurance operating condition, though the position of sealing ring 6 still can not be influenced in stirring that valve ball 2 produced at the during operation.

As shown in fig. 1, 2, 5 and 6, in the present embodiment, it is preferable that a power assembly 7 is further included for changing the transmission torque of the opening and closing valve ball 2.

In this technical scheme, when need not transport natural gas, need rotate valve rod 3 and rotate valve ball 2 to close valve ball 2 to natural gas's transportation, but directly rotate valve rod 3 and drive the moment of valve ball 2 rotation great, inconvenient closing valve ball 2, appear closing defects such as not tight, interior hourglass, change transmission moment through power component 7 transmission, thereby effectively increase the moment of torsion of closing, so be convenient for open and close valve ball 2, it is convenient to use.

As shown in fig. 1, 2, 5 and 6, in the present embodiment, it is optimized that the power assembly 7 includes:

a housing 71 having a mounting chamber 710 therein;

the sleeve 72 is arranged on the valve body 1, the valve rod 3 is positioned in the inner cavity of the sleeve 72, and the valve rod 3 penetrates through the mounting chamber 710;

a main operating lever 73 disposed in the housing 71 and extending upward out of the housing 71;

a sun gear 74 disposed on the main operating lever 73 and located in the installation chamber 710;

two or more planetary pinions 75 each meshing with the sun gear 74;

a planetary carrier 76, the inner teeth of the planetary carrier 76 meshing with each planetary pinion 75, the outer side wall of the planetary carrier 76 having outer teeth;

a first transmission gear 77 meshed with external teeth of the planetary carrier 76;

a second transmission gear 78 coaxial with the first transmission gear 77;

and a sector gear 79 provided on the valve stem 3 and meshed with the second transmission gear 78.

In the technical scheme, when the valve ball 2 needs to be closed, firstly, a worker inserts a special key for opening and closing the ball valve into the main operating rod 73, and rotates the key to drive the main operating rod 73 to rotate, the main operating rod 73 drives the sun gear 74 to rotate, the sun gear 74 is meshed with the planet pinion 75, so as to drive the planet pinion 75 to rotate, the planet pinion 75 is meshed with the inner teeth of the planet retainer 76, so as to drive the planet retainer 76 to rotate, the outer teeth of the planet retainer 76 are meshed with the first transmission gear 77, so that the first transmission gear 77 rotates, the first transmission gear 77 is coaxial with the second transmission gear 78, the second transmission gear 78 rotates, the second transmission gear 78 is meshed with the sector gear 79, the sector gear 79 rotates, the sector gear 79 drives the valve rod 3 to rotate to drive the valve ball 2 to rotate ninety degrees to close, so as to achieve the operation of closing the valve ball 2, the operation is simple, the opening and closing of the valve ball 2 is convenient, the opening and closing efficiency is high, the accuracy is high, when the natural gas needs to be transported, the inversion key drives the inversion operating rod 73, the main inversion operating rod 73, then the inversion operating rod 73 drives the planet ball 76, the inversion valve ball 2 to open and then the inversion valve ball 79 can be transported conveniently, and the inversion valve can be transported conveniently.

As shown in fig. 1, 5 and 6, in the present embodiment, it is preferable that the secondary operating rod 8 further includes one end connected to the end of the valve stem 3 located in the mounting chamber 710, and the other end extending upward out of the housing 71.

In this technical scheme, assist action bars 8 and valve rod 3 and directly link to each other through the setting to directly insert the key and assist drive valve rod 3 on action bars 8 and open and close the ball valve, make the rotational torque bigger, it is longer to open and close speed, opens and close the operational difficulty, and two kinds of techniques make things convenient for the staff just to open and close the ball valve and use, and the rotational speed that uses as required operates main action bars 73 wherein or assists action bars 8.

As shown in fig. 1 and fig. 2, in this embodiment, it is preferable that the valve further includes two connection pipes 9, which are respectively disposed on two sides of the valve body 1, the two connection pipes 9 are communicated with the valve body 1, and inner diameters of the two connection pipes 9 have internal threads 10.

In this technical scheme, through set up connecting pipe 9 in the both sides of valve body 1 to set up internal thread 10 in connecting pipe 9, make things convenient for valve body 1 and other pipelines to carry out threaded connection, make its simple to operate, convenient to detach.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims (8)

1. The utility model provides a PE diffuses ball valve, includes valve body (1) and rotate set up in valve ball (2) in valve body (1), its characterized in that still includes:

the valve rod (3) is arranged in the valve body (1) and is embedded in the valve ball (2);

the diffusion component (4) is arranged in the valve body (1) and is used for diffusing the pressure exceeding the rated value;

the display component (5) is arranged on the valve body (1) and is used for displaying and detecting the pressure value of the inflammable gas conveyed in the valve body (1);

wherein the display assembly (5) comprises:

a connecting cylinder (51) provided on the valve body (1);

a ventilation groove (52) which is arranged in the connecting cylinder (51) and extends upwards along with the increase of the width of the ventilation groove (52);

the pressure sensor (53) is used for detecting the pressure generated when combustible explosive gas is conveyed in the valve body (1) and sending the detected information to the controller (54);

a controller (54) which converts the information detected by the pressure sensor (53) into a numerical value and sends the numerical value to a display screen (55),

and the display screen (55) is electrically connected with the controller (54) and displays the received information.

2. A PE bleeder ball valve as claimed in claim 1, wherein said bleeder assembly (4) comprises:

a sleeve (41) disposed within the valve body (1);

the sliding rod (42) is arranged on the shaft sleeve (41) in a sliding mode;

a piston block (43) disposed on the sliding rod (42), the piston block (43) moving upward along an inner diameter of the ventilation groove (52) to change a distance between the piston block (43) and the ventilation groove (52);

an elastic member (44) provided between the pressure sensor (53) and the bushing (41), the elastic member (44) providing an elastic force moving downward to the pressure sensor (53);

a relief valve (45) provided above the connecting cylinder (51);

the button (46) is arranged at the bottom of the pressure relief valve (45);

when the pressure in the valve body (1) exceeds a rated value, the piston block (43) and the sliding rod (42) move upwards, the sliding rod (42) presses the button (46), and the pressure relief valve (45) is started to relieve the pressure.

3. A PE bleeder ball valve as claimed in claim 2, wherein said resilient member (44) is a return spring.

4. A PE bleeding ball valve according to claim 1, characterised in that it further comprises two sealing rings (6), one on each side of the valve body (1) on the outer diameter of the valve ball (2).

5. A PE bleeding ball valve as claimed in claim 1, characterised in that it also comprises a power assembly (7) for varying the torque transmitted to open and close the valve ball (2).

6. A PE bleed ball valve in accordance with claim 5, wherein the power assembly (7) comprises:

a housing (71) having a mounting chamber (710) therein;

the sleeve (72) is arranged on the valve body (1), the valve rod (3) is positioned in an inner cavity of the sleeve (72), and the valve rod (3) penetrates through the mounting chamber (710);

a main operating lever (73) disposed in the housing (71) and projecting upward out of the housing (71);

a sun gear (74) disposed on the main operating lever (73) and located within the mounting chamber (710);

a planetary pinion gear (75) having two or more gears, each of which is engaged with the sun gear (74);

a planetary carrier (76), the inner teeth of the planetary carrier (76) being engaged with each of the planetary pinions (75), the outer side wall of the planetary carrier (76) having outer teeth;

a first transmission gear (77) meshed with external teeth on the planetary carrier (76);

a second transmission gear (78) coaxial with the first transmission gear (77);

and the sector gear (79) is arranged on the valve rod (3) and is meshed with the second transmission gear (78).

7. A PE bleed ball valve in accordance with claim 6, characterized by further comprising a secondary operating rod (8) having one end connected to the end of the valve stem (3) located in the mounting chamber (710) and the other end extending upwardly out of the housing (71).

8. A PE bleeding ball valve according to claim 1, characterised in that it further comprises two connecting pipes (9) respectively disposed at two sides of said valve body (1), said two connecting pipes (9) being in communication with said valve body (1), and the inner diameter of said two connecting pipes (9) having internal threads (10).

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