CN208804273U - A kind of filler can tight pneumatic ball valve - Google Patents
A kind of filler can tight pneumatic ball valve Download PDFInfo
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- CN208804273U CN208804273U CN201821453340.XU CN201821453340U CN208804273U CN 208804273 U CN208804273 U CN 208804273U CN 201821453340 U CN201821453340 U CN 201821453340U CN 208804273 U CN208804273 U CN 208804273U
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Abstract
It can tight pneumatic ball valve the utility model discloses a kind of filler, it is intended to provide a kind of ball valve of favorable sealing property when and pneumatic actuator is used cooperatively, its key points of the technical solution are that, including valve rod, the stem exterior is equipped with upper valve body, pressing device is equipped between the valve rod and upper valve body, the pressing device includes the bearing that stem bottom outer wall is equipped with, airtight and watertight padding is filled between the bearing and upper valve body, fitting bearing is equipped with gland at the top of the airtight and watertight padding, the top of the gland is equipped with disk spring, the screw top that the valve rod outer wall is located at disk spring is connected with locking nut, the valve rod, which is located at the top of pressing device, is equipped with executive device, the upper valve body screw top is connected with the first fixing bolt through upper valve body and executive device.It is improved by the structure of pneumatic ball valve, so that ball valve and executive device are installed and used more reasonable in pneumatic ball valve, passes through the sealing performance that structure improves enhancing valve.
Description
Technical field
The utility model relates to valve manufacture field, in particular to a kind of filler can tight pneumatic ball valve.
Background technique
The opening and closing element of ball valve is driven by valve rod, and is rotated around ball valve axis, can be used for the adjusting and control of fluid,
Pneumatic ball valve is that ball valve mixes pneumatic actuator, and the execution speed of pneumatic actuator is relatively fast, most fast switching speed 0.05
Second/time, so being generally also pneumatic fast cut-off ball valve.Pneumatic ball valve usually configures at various attachmentes, such as solenoid valve, gas source
Three linked piece, limit switch, locator, control cabinet etc. are managed, to realize control and remote centralized control on the spot, in control room just
The switch that can control valve is not needed to go to scene or high-altitude and jeopardously bring manually control, largely be saved
About human resources and time and safety.
Currently, the Chinese patent of Publication No. CN204328041U discloses a kind of pneumatic ball valve, it includes valve body, valve
Seat, sphere, valve rod and pneumatic device are equipped with washer between valve rod and valve body, gasket, valve body are equipped between valve rod bottom end and sphere
Right end is connected with right end blind flange by fastener, and the left end of valve body is equipped with left end blind flange, is provided with channel one, valve body in sphere
In be provided with channel two, channel three is provided on right end blind flange, the channel one, channel two are identical with the diameter in channel three, pneumatically
Valve body between device and valve body is equipped with valve deck, and fastener is screw one and nut one, between valve deck lower end and valve body pass through
By screw two and the fixed locking of nut two, valve deck upper end is fixedly connected by screw three with nut three with pneumatic device.
Although this pneumatic ball valve structure is simple, it is easily installed, dismantles and repairs, to reduce cost, improves gas
The service life of dynamic ball valve, but can still have the hidden danger of leakage by way of bolt presses airtight and watertight padding, when ball valve with
Need to enhance the sealing performance of valve when pneumatic actuator is used cooperatively.
Utility model content
The purpose of the utility model is to provide a kind of filler can tight pneumatic ball valve, it is good with ball valve inner sealing performance
Advantage.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of filler can tight pneumatic ball valve, including valve rod, the stem exterior be equipped with upper valve body, the valve rod and upper valve body
Between be equipped with pressing device, the pressing device includes the bearing that stem bottom outer wall is equipped with, between the bearing and upper valve body
Filled with airtight and watertight padding, fitting bearing is equipped with gland at the top of the airtight and watertight padding, and the top of the gland is equipped with dish
Shape spring, the screw top that the valve rod outer wall is located at disk spring are connected with locking nut, and the valve rod is located at pressing device
Top executive device is installed, the upper valve body screw top is connected with the first fixed spiral shell through upper valve body and executive device
Bolt.
By using above-mentioned technical proposal, airtight and watertight padding is filled between bearing and upper valve body, airtight and watertight padding can pass through
Self-tightening effect is in close contact airtight and watertight padding and bearing and fills up the gap between bearing and upper valve body, makes airtight and watertight padding and bearing
Between generate pressing force, reinforce the sealing performance of bearing and valve rod, when the bearing that stem exterior is arranged can reduce valve rod rotation
To itself abrasion to airtight and watertight padding, extend the service life of airtight and watertight padding, ensures that valve internal structure will not be damaged easily, it is close
The gland being equipped at the top of packing material can compress airtight and watertight padding, further enhance the leakproofness between airtight and watertight padding and bearing
Can, the disk spring being equipped at the top of gland can sufficiently adapt to narrow valve internal space, and the rigidity of disk spring
Greatly, buffering vibration absorption ability is strong, is able to bear biggish load, and the locking nut being equipped at the top of disk spring can be installed in ball valve
It gives disk spring biggish pressing force when executive device, gland can be squeezed sufficiently to guarantee airtight and watertight padding and axis
Ball valve is installed on executive device using the first fixing bolt and obtains bottom by the sealing performance between holding, and is ensured ball valve and is executed dress
The junction set will not recurring structure damage, ensure the sealing performance of valve entirety, and it is easy for assemble or unload, can replace at any time
Change the components of valve internal.
Further setting: being filled with seal washer between the locking nut and executive device, the stem bottom it is outer
O-ring is surrounded on wall.
By using above-mentioned technical proposal, the seal washer being equipped between locking nut and executive device can further add
Sealing performance between strong ball valve and executive device prevents the circulation medium of valve internal from leakage occurs to damage executive device
Internal structure, the O-ring that stem bottom outer wall is equipped with is rubber seal, and the gap between valve rod, upper valve body and bearing is equal
It is even, it is not easy to cause O-ring distortion to damage, extends the service life of O-ring, ensure the good sealing performance of valve internal.
Further setting: the executive device includes pneumatic actuator, the solenoid valve that is horizontally installed on pneumatic actuator
And the air filtration pressure reducing valve being connect with solenoid valve.
By using above-mentioned technical proposal, pneumatic actuator in executive device can by the thrust of compressed air to
The opening and closing of valve ball is driven, the solenoid valve being installed on pneumatic actuator can change the circulating direction of gas source to which control is pneumatically held
The operating status of row device, the solenoid valve being horizontally mounted can ignore the gravity of solenoid valve inner-core, ensure the normal work of solenoid valve
Make, the air filtration pressure reducing valve connecting with solenoid valve can adjust area of passage size as auxiliary device, realize pressure-reduced and-regulated
Function.
Further setting: being equipped with bracket at the top of the executive device, the frame bottom is threaded with through branch
The top of second fixing bolt of frame bottom and executive device, the bracket is installed by limit switches, the top spiral shell of the bracket
Line is connected with the third fixing bolt through cradle top and limit switch.
By using above-mentioned technical proposal, fixed bracket is capable of that support limit switchs and makes its jail at the top of executive device
It is securely scheduled at the top of executive device, limit switch can control the running of the circuit in pneumatic actuator as electric switch.
Further setting: thrust washer is equipped between the stem bottom and upper valve body.
By using above-mentioned technical proposal, the thrust washer bond strength being equipped between stem bottom and upper valve body is high, holds
Loading capability is big, wear-resisting property is good, is able to bear the axial load of valve rod and bearing.
Further setting: the bottom of the valve rod is equipped with antistatic ball.
By using above-mentioned technical proposal, antistatic ball can prevent valve internal from generating electrostatic friction, when flowing in valve
It is logical when being inflammable and explosive medium, it ensures the safety of surrounding operator, prevents serious accident.
Further setting: the bottom of the valve rod is connected with valve ball, the outside far from upper valve body one end outside the valve ball
Equipped with lower valve body, the upper valve body and lower valve body side are connected with valve deck, and the valve deck is equipped with through valve deck and lower valve body
4th fixing bolt, the surrounding of the valve ball are equipped with valve seat between upper valve body, lower valve body and valve deck.
By using above-mentioned technical proposal, valve deck and valve body are bolted and are formed a sealing auxiliary structure, are used for
The valve ball of closing valve bottom.
Further setting: it is equipped with the first gasket between the valve deck and upper valve body, is set between the valve deck and lower valve body
There is the second gasket.
By using above-mentioned technical proposal, gasket can enhance the sealing performance between valve deck and valve body, prevent valve
Interior circulation medium existing clearance leakage between valve body and valve deck.
In conclusion the utility model has the following beneficial effects: the structure design of valve enables ball valve and executive device
Enough to be used cooperatively more reasonablely, valve overall sealing performance is good, is easily installed disassembly replacement components, valve internal components
Long service life.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment 1；
In figure, 1, valve rod；2, upper valve body；3, lower valve body；4, pressing device；41, bearing；42, airtight and watertight padding；43, filler
Gland；44, disk spring；45, locking nut；5, executive device；51, pneumatic actuator；52, solenoid valve；53, air filtration subtracts
Depressor；6, the first fixing bolt；7, seal washer；8, O-ring；9, bracket；10, the second fixing bolt；11, limit switch；12,
Third fixing bolt；13, thrust washer；14, antistatic ball；15, valve ball；16, valve seat；17, valve deck；18, the 4th fixing bolt；
19, the first gasket；20, the second gasket.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1: a kind of filler can tight pneumatic ball valve, as shown in Figure 1, the bottom of pneumatic ball valve is equipped with valve ball 15, valve ball
The outer wall of 15 bottoms is equipped with lower valve body 3, and the outer wall at 15 top of valve ball is equipped with upper valve body 2, and upper valve body 2 and the ipsilateral of lower valve body 3 are set
There is valve deck 17, sealing auxiliary structure is integrally formed in upper valve body 2 and lower valve body 3, for the valve ball 15 inside closing valve, 17 bottom of valve deck
Portion is threaded with the 4th fixing bolt 18, and the 4th fixing bolt 18 is used to be fixedly connected through valve deck 17 and lower valve body 3, valve ball
15 surrounding, which is located between upper valve body 2, lower valve body 3 and valve deck 17, is equipped with valve seat 16, is filled between upper valve body 2 and valve deck 17
First gasket 19 is filled with the second gasket 20 between lower valve body 3 and valve deck 17.
As shown in Figure 1, the top of valve ball 15 is connected with valve rod 1, the bottom of valve rod 1 is equipped with antistatic ball 14, when in valve
Circulation can prevent when being inflammable and explosive medium the generation of electrostatic from leading to serious accident, 1 bottom of valve rod and upper valve body 2 it
Between be equipped with and bear the thrust washer 13 that valve rod 1 rotates axial load, the outer wall that 1 bottom of valve rod is located above thrust washer 13 is also set
There is the O-ring 8O for enhancing sealing performance, the outer cover of valve rod 1 is equipped with bearing 41, is filled between bearing 41 and upper valve body 2
Airtight and watertight padding 42, the top of airtight and watertight padding 42 are equipped with the gland 43 for compressing airtight and watertight padding 42, the top of gland 43
Portion is equipped with disk spring 44, and the screw top that 1 outer wall of valve rod is located at disk spring 44 is connected with locking nut 45, and ball valve is installed on
Locking nut 45, which gives 44 pressing force of disk spring, when 5 bottom of executive device makes disk spring 44 that elastic deformation occur, to make
The extruding of airtight and watertight padding 42 and gland 43 by disk spring 44, further enhances the sealing performance of ball valve, locking nut
45 tops are equipped with executive device 5, and seal washer 7, the screw top of upper valve body 2 are equipped between locking nut 45 and executive device 5
It is connected with the first fixing bolt 6 through upper valve body 2 and executive device 5.
As shown in Figure 1, the top of pressing device 4 is equipped with executive device 5, executive device 5 includes pneumatic actuator 51, level
The solenoid valve 52 being installed on pneumatic actuator 51 and the air filtration pressure reducing valve being connect with solenoid valve 52, the top of executive device 5
Portion is equipped with bracket 9, and the bottom thread of bracket 9 is connected with the second fixing bolt 10 through 9 bottom of bracket and executive device 5,
Limit switches 11 are installed at the top of bracket 9, and the screw top of bracket 9 is connected with through 9 top of bracket and limit switch 11
Third fixing bolt 12.
In the embodiments of the present invention, circulation medium enters the close of upper valve body 2, lower valve body 3 and the formation of valve deck 17
Channel is sealed, under valve off working state, the runner of valve ball 15 and the runner of sealed passage are orthogonal, and circulation medium is by valve ball
The obstruction of 15 sealing surfaces can not circulate, and the antistatic ball 14 of 1 bottom of valve rod supports that the work of antistatic can be played without power supply
With ball valve is fixedly installed in the bottom of executive device 5 by the first fixing bolt 6, and locking nut 45 is close to the bottom of executive device 5
Portion, disk spring 44 are squeezed, and generate elastic deformation, to give gland 43 certain pressing force, realize that compression is close
The function of packing material 42, when the medium of valve internal needs to circulate, the gas in environment enters air filtration pressure reducing valve, gas
By the filtering and decompression of air filtration pressure reducing valve, the gas of steady pressure is delivered in solenoid valve 52, executive device 5 is pushed up
The limit switch 11 of portion's installation is operated, and so that it is conveyed electric signal into solenoid valve 52, the magnet coil in solenoid valve 52 connects
Attracted by the magnet coil of electric signal, energization by the electromagnet inside solenoid valve 52, thus the unlatching with 52 valve of moving electromagnetic valve,
The steady pressure gas of conveying is entered in pneumatic actuator 51 by solenoid valve 52, and pneumatic actuator 51 starts operation to drive
The valve opening of ball valve, circulation medium pass through valve ball 15, realize the normal operation of valve.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of filler can tight pneumatic ball valve, including valve rod (1) is equipped with upper valve body (2) outside the valve rod (1), and feature exists
In: pressing device (4) are equipped between the valve rod (1) and upper valve body (2), the pressing device (4) includes outside valve rod (1) bottom
The bearing (41) that wall is equipped with is filled with airtight and watertight padding (42) between the bearing (41) and upper valve body (2), the airtight and watertight padding
(42) top fitting bearing (41) is equipped with gland (43), and the top of the gland (43) is equipped with disk spring (44),
The screw top that valve rod (1) outer wall is located at disk spring (44) is connected with locking nut (45), and the valve rod (1) is located at pressure
It is equipped with executive device (5) at the top of tight device (4), upper valve body (2) screw top is connected with through upper valve body (2) and holds
Luggage sets first fixing bolt (6) of (5).
2. a kind of filler according to claim 1 can tight pneumatic ball valve, it is characterised in that: the locking nut (45) and hold
Luggage is set and is filled with seal washer (7) between (5), is surrounded with O-ring (8) on the outer wall of valve rod (1) bottom.
3. a kind of filler according to claim 2 can tight pneumatic ball valve, it is characterised in that: the executive device (5) includes
Pneumatic actuator (51), the solenoid valve (52) being horizontally installed on pneumatic actuator (51) and the air being connect with solenoid valve (52)
Filtering pressure reducing valve (53).
4. a kind of filler according to claim 3 can tight pneumatic ball valve, it is characterised in that: the top of the executive device (5)
Portion is equipped with bracket (9), and bracket (9) bottom thread is connected with to be consolidated through the second of bracket (9) bottom and executive device (5)
Determine bolt (10), limit switches (11) are installed at the top of the bracket (9), and the screw top of the bracket (9), which is connected with, passes through
The third fixing bolt (12) of perforating branches frame (9) top and limit switch (11).
5. a kind of filler according to claim 4 can tight pneumatic ball valve, it is characterised in that: valve rod (1) bottom with it is upper
Thrust washer (13) are equipped between valve body (2).
6. a kind of filler according to claim 5 can tight pneumatic ball valve, it is characterised in that: the bottom of the valve rod (1) is set
There are antistatic ball (14).
7. a kind of filler according to claim 6 can tight pneumatic ball valve, it is characterised in that: the bottom of the valve rod (1) connects
It is connected to valve ball (15), the external outside far from upper valve body (2) one end of the valve ball (15) is equipped with lower valve body (3), the upper valve body
(2) and lower valve body (3) side is connected with valve deck (17), and the valve deck (17) is equipped with through valve deck (17) and lower valve body (3)
4th fixing bolt (18), the surrounding of the valve ball (15), which is located between upper valve body (2), lower valve body (3) and valve deck (17), to be equipped with
Valve seat (16).
8. a kind of filler according to claim 7 can tight pneumatic ball valve, it is characterised in that: the valve deck (17) and upper valve body
(2) the first gasket (19) are equipped between, are equipped with the second gasket (20) between the valve deck (17) and lower valve body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453340.XU CN208804273U (en) | 2018-09-05 | 2018-09-05 | A kind of filler can tight pneumatic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453340.XU CN208804273U (en) | 2018-09-05 | 2018-09-05 | A kind of filler can tight pneumatic ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804273U true CN208804273U (en) | 2019-04-30 |
Family
ID=66236001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453340.XU Active CN208804273U (en) | 2018-09-05 | 2018-09-05 | A kind of filler can tight pneumatic ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN208804273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898758A (en) * | 2021-11-18 | 2022-01-07 | 浙江东信阀门有限公司 | High-sealing fluorine-lined ball valve |
-
2018
- 2018-09-05 CN CN201821453340.XU patent/CN208804273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898758A (en) * | 2021-11-18 | 2022-01-07 | 浙江东信阀门有限公司 | High-sealing fluorine-lined ball valve |
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