A kind of ball valve
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of valve, more particularly to a kind of ball valve.
Background technology
Standard GB/T21465-2008《Valve term》It is middle to be defined as valve:For medium in control pipeline, have
The totality of the engineering goods of movable agency.Valve can be divided into gate valve, stop valve, choke valve, ball valve, butterfly valve, cock by structure
Valve and check-valves etc., ball valve are defined as ball valve in very common valve, standard:Opening and closing element (spheroid) is driven by valve rod,
And around the valve that rotates of axis of valve rod.The circulation of pipeline internal medium can be realized by the rotation of spheroid or cut
Only;During flow of media, ball valve is in opening;During the maximum flow of flow of media, ball valve is in fully open state;Medium
During cut-off circulation, ball valve is in cut-off state.
Chinese patent literature data discloses to propose a kind of may filter that venting ball valve [application number with PPR joints:
CN201120444026.7;Publication number:CN202338655U], including a ball valve, one be used for connecting water pipe joint interior tooth connect
Mouthful, the part between ball valve and interior tooth interface is ball valve pipeline, and ball valve pipeline connects a filter mechanism, and filter mechanism includes a valve
Lid, one are used for impurity accommodating chamber, the screen pack for accommodating impurity.An air bleeding valve is provided with above ball valve pipeline.
The ball valve can be filtered to the impurity in pipeline, the gas in water body be excluded by air bleeding valve, simultaneously
PPR joints, which are designed, make it that the installation of the ball valve and PPR pipe road is more convenient.But this ball valve is needed ball when clearing up impurity
Valve, which is closed, arrives cut-off state, is unfavorable for the use of ball valve.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of ball valve, the skill of solution
Art problem is how to make ball valve be conducive to using.
The purpose of this utility model can be realized by following technical proposal:
Intake tunnel, exhalant canal and drain outlet, institute are provided with a kind of ball valve, including main valve body, the main valve body
Intake tunnel is stated by being connected behind drain outlet with exhalant canal, cue ball core is installed in the intake tunnel, the water outlet is led to
It is provided with the valve wall in road in the exhaust outlet of aperture upward, the exhaust outlet and is fixed with air bleeding valve, it is fixed in the drain outlet
There is screen pack, the blowdown mouth down of the drain outlet is set and drain outlet is tilted to exhalant canal, it is characterised in that described
Blowoff valve is fixedly connected with the sewage draining exit of drain outlet, the blowoff valve includes installing in blowdown valve body, the blowoff valve body
Having be connected with the blowdown valve rod for passing blowdown valve body on blowdown valve element, the blowdown valve element, and the exit of the blowdown valve body can
Tear open and be connected with blocking cap, the blowdown valve body enter it is intraoral be fixedly connected with blowdown bonnet, between the blowdown bonnet and main valve body
Tubular pollution discharge joint is provided with, the arrival end of the pollution discharge joint is inserted into the sewage draining exit of drain outlet and forms screw thread
Connection, the arrival end of the blowdown bonnet is plugged in pollution discharge joint, and is set between the arrival end and pollution discharge joint of blowdown bonnet
It is equipped with sealing ring one, the lateral surface of the arrival end of the blowdown bonnet and sets fluted, jump ring, institute is installed in the groove
Step is provided with the medial surface for the arrival end for stating pollution discharge joint, the jump ring can be resisted against on step, the blowdown bonnet
Lateral surface on be provided with bulge loop one, the bulge loop one can be resisted against on the exit end face of pollution discharge joint.
Ball valve is connected in pipeline, the water in pipeline is by entering drain outlet after intake tunnel, in drain outlet
It is flowed into after filter screen filtration in exhalant canal, finally flows out main valve body, filter screen filtration from the delivery port of exhalant canal
Impurity out reaches the sewage draining exit of drain outlet under gravity, can open blowoff valve during normal water flowing, filter out
The impurity come after blowoff valve by reaching blocking cap.When needing to clear up the impurity in ball valve, ball valve is closed without rotating cue ball core
Close, blowoff valve need to only be closed, open blocking cap and cleared up, be conducive to the use of ball valve.On the external part of blowdown valve rod
Blowdown handle is connected with, blowdown handle can realize being switched on and off for blowoff valve when rotating, for convenience using blowdown handle
The direction by blowdown handle is needed to be adjusted.Blowdown bonnet is plugged in pollution discharge joint and carried out axially by bulge loop and jump ring
Spacing, blowdown bonnet can be circumferentially rotated on pollution discharge joint, and this makes it possible to realize the direction adjustment of blowdown handle
To the position for being easy to user to use.When the state of blowoff valve need not be adjusted, blowoff valve can also be rotated by blowdown handle
Turn to other positions to be hidden, prevent that other people from touching blowdown handle and blowoff valve is closed or opened by mistake by mistake.Pollution discharge joint
With the use being provided with beneficial to ball valve of blowdown bonnet.
In above-mentioned ball valve, fixed company is additionally provided with temperature-measuring port, the temperature-measuring port on the valve wall of the exhalant canal
It is connected to thermometer intubation, the inner sealing of the thermometer intubation and the central area for being located at exhalant canal.
The setting of thermometer intubation facilitates the connection of temperature sensor on thermometer, the inner setting that thermometer is intubated
Be conducive to thermometer to read accurate water temperature in the central area of exhalant canal, be conducive to the regulation of water temperature.
In above-mentioned ball valve, secondary temperature-measuring port is additionally provided with the valve wall of the exhalant canal, the secondary temperature-measuring port is with surveying
Warm mouth is symmetricly set on the valve wall of exhalant canal, and plug is fixedly connected with the secondary temperature-measuring port.
The plug in the thermometer intubation and secondary temperature-measuring port in temperature-measuring port can be carried out according to the installation site of ball valve mutual
Change, so as to be conducive to the installation of the temperature sensor on thermometer, be conducive to the use of ball valve.
In above-mentioned ball valve, the screen pack is cylindrical in shape, and the entrance of the screen pack is connected with intake tunnel, described
The net wall of screen pack is blocked outside the entrance of exhalant canal;Set on the side wall of the drain outlet and the junction of intake tunnel
There is shoulder block, the arrival end of the screen pack is resisted against on shoulder block, the port of export of the screen pack is resisted against the step of pollution discharge joint
On.
The setting of filter screen structure and position can be such that the impurity filtered out is successfully discharged from drain outlet.Work as needs
When clearing up screen pack, ball valve is closed when can selecting without using ball valve, by pollution discharge joint and pollution discharge joint is connected to
On blowoff valve integrally unloaded out of drain outlet, then by screen pack take out clear up.Screen pack is pacified again after cleaning is good
Being attached to makes the arrival end of screen pack be resisted against on shoulder block in drain outlet, then blowoff valve and pollution discharge joint are integrally fixed into blowdown
In passage, and the port of export of screen pack is set to be resisted against on step.Scale removal process is convenient and swift, is conducive to the use of ball valve.
In above-mentioned ball valve, lanyard is fixed with the blowoff valve, one end of the lanyard has collar, the blocking cap
Outer face on there is the fixed column of protrusion, be provided with neck on the lateral surface of the fixed column, the collar is caught in neck.
The setting of lanyard can prevent open blocking cap cleaning impurity when lose blocking cap, be conducive to the use of ball valve.
In above-mentioned ball valve, the entrance internal thread of the intake tunnel is connected with main valve cap, the entrance of the main valve cap
End is fixedly connected with locking cap one, and the port of export of the locking cap one is sleeved on main valve cap and forms threaded connection, the lock
It is provided with the medial surface of the arrival end of tight cap one in the bulge loop two of protrusion, the arrival end of the main valve cap and is plugged with PPR pipe, institute
The bulge loop three that protrusion is provided with the lateral surface of PPR pipe is stated, the bulge loop three is located at the arrival end end face of bulge loop two and main valve cap
Between and be resisted against on bulge loop two, be fixed with sealing ring two between the arrival end and PPR pipe of the main valve cap.PPR pipe can be
The inner circumferential of locking cap one is rotated, and facilitates the connection of water inlet pipe.
In above-mentioned ball valve, the port of export of the exhalant canal is fixedly connected with locking cap two, the locking cap two
Arrival end is sleeved on the port of export of exhalant canal and forms threaded connection, is set on the medial surface of the port of export of the locking cap two
It is equipped with the bulge loop four of protrusion, the port of export of the exhalant canal and is plugged with connecting tube, is set on the lateral surface of the connecting tube
There is the bulge loop five of protrusion, the bulge loop five is located between bulge loop four and the port of export end face of exhalant canal and is resisted against bulge loop five
On, it is fixed with sealing ring three between the port of export and connecting tube of the exhalant canal.Connecting tube can be in the outlet of exhalant canal
Hold inner circumferential to rotate, facilitate the connection of outlet pipe.
Compared with prior art, the utility model has advantages below:
By fixing blowoff valve in the sewage draining exit of drain outlet, blowdown can just be carried out without Cutoff ball valve by realizing,
Make ball valve easy to use, while setting the blowdown bonnet that can be rotated in pollution discharge joint inner circumferential for fixing blowoff valve, have
Beneficial to the use of ball valve.Temperature-measuring port and secondary temperature-measuring port are set, are conducive to the measurement of medium temperature in main valve body.Setting can be circumferential
The PPR pipe and connecting tube of rotation, are conducive to ball valve being connected in pipeline, are conducive to the use of ball valve.Screen pack is set to
Tubular simultaneously makes its entrance be connected with intake tunnel, and screen pack is fixed between step and shoulder block, is conducive to the filtering of ball valve.
Brief description of the drawings
Fig. 1 is the stereogram of this ball valve;
Fig. 2 is the sectional view of this ball valve;
Fig. 3 is the location diagram of the temperature-measuring port and secondary temperature-measuring port of this ball valve;
Fig. 4 is the enlarged drawing at the A in Fig. 2.
In figure, 1, main valve body;1a, intake tunnel;1b, exhalant canal;1c, drain outlet;1d, exhaust outlet;1e, thermometric
Mouthful;1f, secondary temperature-measuring port;1g, shoulder block;1h, arrow;2nd, cue ball core;3rd, main valve stem;4 main handles;5th, air bleeding valve;6th, filter
Net;7th, blowoff valve;7a, blowdown valve body;7b, blowdown valve element;7c, blowdown valve rod;7d, blowdown bonnet;7d1, groove;7d2, bulge loop
One;7e, blowdown handle;8th, blocking cap;8a, fixed column;8a1, neck;9th, pollution discharge joint;9a, step;9b, convex shoulder;10th, sealing ring
One;11st, jump ring;12nd, thermometer is intubated;13rd, plug;14th, lanyard;14a, collar;15th, main valve cap;16th, locking cap one;16a、
Bulge loop two;17th, PPR pipe;17a, bulge loop three;18th, sealing ring two;19th, locking cap two;19a, bulge loop four;20th, connecting tube;20a、
Bulge loop five;21st, sealing ring three;22nd, sealing ring four.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
Embodiment one
As Figure 1-Figure 4, intake tunnel 1a, exhalant canal are provided with a kind of ball valve, including main valve body 1, main valve body 1
1b and drain outlet 1c, intake tunnel 1a are provided with by being connected after the 1c of drain outlet with exhalant canal 1b in intake tunnel 1a
Main valve stem 3 is connected with cue ball core 2, cue ball core 2, the upper end of main valve stem 3 is fixedly connected through main valve body 1 with main handle 4.Water outlet
It is provided with passage 1b valve wall in the exhaust outlet 1d of aperture upward, exhaust outlet 1d and is fixed with air bleeding valve 5.It is solid in the 1c of drain outlet
Surely there is screen pack 6, drain outlet 1c blowdown mouth down is set and drain outlet 1c is tilted to exhalant canal 1b, drain outlet 1c
Sewage draining exit in be fixedly connected with blowoff valve 7.Blowoff valve 7 includes being provided with blowdown valve element in blowdown valve body 7a, blowdown valve body 7a
Be connected with blowdown valve rod 7c on 7b, blowdown valve element 7b, blowdown valve rod 7c upper end pass after blowdown valve body 7a with blowdown handle 7e
Connection.Blowdown valve body 7a exit releasable connection, which has, is fixed with lanyard 14 on blocking cap 8, blowoff valve 7, one end of lanyard 14 has
Having on collar 14a, the outer face of blocking cap 8 be provided with neck 8a1 on the fixed column 8a of protrusion, fixed column 8a lateral surface, blocks
Circle 14a is caught in neck 8a1.Entering for blowdown valve body 7a intraoral is fixedly connected with blowdown bonnet 7d, blowdown bonnet 7d and main valve body 1
Between be provided with tubular pollution discharge joint 9, the arrival end of pollution discharge joint 9 is inserted into drain outlet 1c sewage draining exit and formed
Threaded connection, blowdown bonnet 7d arrival end is plugged in pollution discharge joint 9, and blowdown bonnet 7d arrival end and pollution discharge joint 9
Between be provided with sealing ring 1.Set in fluted 7d1, groove 7d1 and install on the lateral surface of blowdown bonnet 7d arrival end
Have and step 9a is provided with jump ring 11, the medial surface of the arrival end of pollution discharge joint 9, jump ring 11 can be resisted against on step 9a, arrange
The 7d2 of bulge loop one is provided with dirty bonnet 7d lateral surface, the 7d2 of bulge loop one is resisted against on the exit end face of pollution discharge joint 9.Screen pack
6 are cylindrical in shape, and the entrance of screen pack 6 is connected with intake tunnel 1a, and the net wall of screen pack 6 blocks exhalant canal 1b entrance;
Shoulder block 1g is provided with the side wall of drain outlet 1c and intake tunnel 1a junction, the arrival end of screen pack 6 is resisted against shoulder block
On 1g, the port of export of screen pack 6 is resisted against on the step 9a of pollution discharge joint 9.Convex shoulder is provided with the lateral surface of pollution discharge joint 9
9b, is provided with sealing ring 4 22 between pollution discharge joint 9 and main valve body 1, sealing ring 4 22 is set on pollution discharge joint 9 and sealing ring
4 22 two ends are born against on the end face of the sewage draining exit in convex shoulder 9b and drain outlet 1c.Set on the lateral surface of main valve body 1
There is arrow 1h, prevent during mounting ball valve that direction is anti-loaded so as to which the impurity for causing screen pack 6 to filter can not proceed to discharge
In.
It is additionally provided with exhalant canal 1b valve wall in temperature-measuring port 1e, temperature-measuring port 1e and is fixedly connected with thermometer intubation 12,
The inner sealing of thermometer intubation 12 and the central area for being located at exhalant canal 1b.Pair is additionally provided with exhalant canal 1b valve wall
Temperature-measuring port 1f, secondary temperature-measuring port 1f and temperature-measuring port 1e are symmetricly set on exhalant canal 1b valve wall, fixed in secondary temperature-measuring port 1f to connect
It is connected to plug 13.Intake tunnel 1a entrance internal thread is connected with main valve cap 15, and the cross section of the madial wall of main valve cap 15 is in just
Hexagon.The arrival end of main valve cap 15 is fixedly connected with locking cap 1, and the port of export of locking cap 1 is sleeved on main valve cap 15
Go up and form threaded connection, the 16a of bulge loop two of protrusion is provided with the medial surface of the arrival end of locking cap 1, main valve cap 15
The 17a of bulge loop three that protrusion is provided with PPR pipe 17, the lateral surface of PPR pipe 17 is plugged with arrival end, the 17a of bulge loop three is located at convex
Between the 16a of ring two and the arrival end end face of main valve cap 15 and it is resisted against on the 16a of bulge loop two.The arrival end and PPR pipe of main valve cap 15
Sealing ring 2 18 is fixed between 17, sealing ring 2 18 is sleeved on the port of export of PPR pipe 17 and is resisted against the interior of the 17a of bulge loop three
On end face, the lateral surface of sealing ring 2 18 is obliquely installed and is resisted against the port of the arrival end of main valve cap 15.Exhalant canal 1b
The port of export be fixedly connected with locking cap 2 19, the arrival end of locking cap 2 19 is sleeved on the exhalant canal 1b port of export and shape
Into threaded connection, the 19a of bulge loop four of protrusion, exhalant canal 1b outlet are provided with the medial surface of the port of export of locking cap 2 19
The 20a of bulge loop five that protrusion is provided with connecting tube 20, the lateral surface of connecting tube 20 is plugged with end, the 20a of bulge loop five is located at bulge loop
Between four 19a and exhalant canal 1b port of export end face and it is resisted against on the 20a of bulge loop five.The exhalant canal 1b port of export and company
Sealing ring 3 21 is fixed between adapter 20, sealing ring 3 21 is sleeved on the arrival end of connecting tube 20 and is resisted against bulge loop five
On 20a inner face, the lateral surface of sealing ring 3 21 is obliquely installed and is resisted against the port of the exhalant canal 1b port of export.
PPR pipe 17 is connected with water inlet pipe, connecting tube 20 is connected with outlet pipe, rotate main handle 4 make ball valve be in open
The water in state, water inlet pipe is opened by entering intake tunnel 1a after PPR pipe 17, and is passed through from cue ball core 2, then by screen pack 6
It is flowed into after filtering in exhalant canal 1b, then by outlet pipe of entering after connecting tube 20, the gas in pipeline can pass through exhaust
Valve 5 is discharged.The impurity that screen pack 6 is filtered out reaches drain outlet 1c sewage draining exit under gravity, can during normal water flowing
So that blowoff valve 7 to be opened, the impurity filtered out is by reaching blocking cap 8 after blowoff valve 7.When needing to clear up the impurity in ball valve,
Cue ball core 2 need not be rotated to close ball valve, blowoff valve 7 need to only be closed, blocking cap 8 is opened and cleared up, be conducive to ball valve
Use.Blowdown handle 7e can realize being switched on and off for blowoff valve 7 when rotating, and be needed for convenience using blowdown handle 7e
Blowdown handle 7e direction is adjusted.Blowdown bonnet 7d is plugged in pollution discharge joint 9 and carried out by bulge loop and jump ring 11
Axial limiting, blowdown bonnet 7d can be circumferentially rotated on pollution discharge joint 9, and this makes it possible to realize blowdown handle 7e's
Towards the position for being adjusted to be easy to user to use.When the state of blowoff valve 7 need not be adjusted, blowoff valve 7 can also be rotated
Blowdown handle 7e is turned into other positions to be hidden, prevent other people from touching blowdown handle 7e and blowoff valve 7 is closed by mistake or
Person opens by mistake.The use being provided with beneficial to ball valve of pollution discharge joint 9 and blowdown bonnet 7d.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.