A kind of petroleum pipeline valve
Technical field
The present invention relates to a kind of valves, are in particular a kind of petroleum pipeline valves.
Background technique
Such as a kind of pipeline valve of publication number CN2367845, belong to oil transportation, water pipeline valve technical field.At this
In valve, valve rod base is packed on valve body, and external cone through cylinder is locked in valve body, internal cone through cylinder upper end is connect with valve rod, in valve body
On according to several valve rod bases for being equipped with many types of formula needed for different several specification patterns, be equipped in external cone through cylinder around with extraordinary rubber
The internal cone through cylinder of glue pincers edge.Valve body is equipped with flange form, screw-type according to needed for pipeline connection;The shortcomings that utility model is not
The length of petroleum pipeline valve can be changed according to use demand, cannot be preferably suitable on petroleum pipeline.
Summary of the invention
The object of the present invention is to provide a kind of petroleum pipeline valves, can change petroleum pipeline valve according to use demand
The length of door is gladly preferably suitable on petroleum pipeline.
The purpose of the present invention is achieved through the following technical solutions:
A kind of petroleum pipeline valve, including connecting cylinder, valve cylinder, auxiliary body, mounting cylinder, adjustment mechanism and valve machine
Structure, the connecting cylinder include connector drum, connection sliding groove, connection baffle, connection plate I and connection plate II, connection
One end of cylinder is provided with connection sliding groove, and connection baffle is fixedly connected on one end that connector drum is provided with connection sliding groove,
Connection plate I is fixedly connected on the inside of the connector drum other end, and connection plate II is fixedly connected on connection plate I
Inside, there are two connecting cylinder settings;
The valve cylinder includes valve cylinders, valve taper connection cylinder, valve installation set and slide damper, valve cylinders
Both ends have been respectively fixedly connected with valve taper connection cylinder and slide damper, and valve installation is fixedly connected on valve taper connection cylinder
Set, there are two the settings of valve cylinder, and two slide dampers are slidably connected at respectively in two connection sliding grooves;
The auxiliary body includes auxiliary wheel carrier, auxiliary wheel shaft and auxiliary wheel, is rotatably connected to auxiliary wheel on auxiliary wheel carrier
Axis assists the both ends of wheel shaft to be fixedly connected to auxiliary wheel, and there are two auxiliary body's settings, and two auxiliary wheel carriers are fixed respectively to be connected
It connects in two connector drum;
The mounting cylinder includes installation conically shaped, installation cylinder, mounting groove, installation connecting cylinder, mounting plate and installs waist hole,
The both ends of installation conically shaped have been respectively fixedly connected with installation cylinder and installation connecting cylinder, install and are provided with mounting groove on cylinder, pacify
It is fixedly connected with mounting plate in load connect cylinder, four installation waist holes are circumferentially evenly arranged on mounting plate, mounting cylinder is provided with two
A, the inside of two installation cylinders passes through mounting groove and is mounted in connection plate II;
The adjustment mechanism includes adjustment bottom plate, adjustment screw rod, adjustment handle, adjustment threaded block and adjustment connecting rod, adjustment
The both ends of bottom plate are respectively fixedly connected in two valve cylinders, and the one end for adjusting screw rod is rotatably connected on adjustment bottom plate, are adjusted
The other end of whole screw rod is fixedly connected with adjustment handle, adjusts and has been connected through a screw thread adjustment threaded block on screw rod, adjusts screw rod
There are two settings, and one end of two adjustment screw rods is hinged on adjustment threaded block, and the other end of two adjustment screw rods is cut with scissors respectively
It connects in two connector drum;
The valve mechanism includes valve floor, valve side plate, valve threaded rod, valve handle, spigot baffle, valve peace
Loading board, valve mounting groove, valve connecting plate I, valve rod plate II and Sealing shield ring, the two sides of valve floor are fixedly connected to
Valve side plate, two valve side plates are respectively fixedly connected in two connector drum, and valve threaded rod is threadedly attached in valve
On door bottom plate, the upper end of valve threaded rod is fixedly connected with valve handle, and the lower end of valve threaded rod is rotatably connected to valve gear
Plate, there are two the settings of valve mounting plate, and valve mounting groove, two valve mounting plates are provided on the outside of two valve mounting plates
It is separately mounted in two valve installation sets by two valve mounting grooves respectively, the inside of two valve mounting plates is fixed to be connected
It is connected to valve connecting plate I, is connected between two valve connecting plates I and is connected to valve rod plate II, be connected on valve rod plate II
Sealing shield ring, spigot baffle are slidably connected between two valve connecting plates I, and valve threaded rod is interference fitted in Sealing shield ring
It is interior.
As advanced optimizing for the technical program, a kind of petroleum pipeline valve of the present invention, the valve cylinder further includes
Additive enters cylinder, and additive enters cylinder and is fixedly connected in valve cylinders, and additive enters cylinder and is connected to valve cylinders.
As advanced optimizing for the technical program, a kind of petroleum pipeline valve of the present invention, the auxiliary body is also wrapped
Set lever is included, there are two set lever settings, and two set levers are threadedly attached on auxiliary wheel shaft.
As advanced optimizing for the technical program, a kind of petroleum pipeline valve of the present invention, the petroleum pipeline valve
Door further includes one-way mechanism, and one-way mechanism includes one-way slabs I, one-way slabs II, unidirectional slide post and unidirectional circular cone, one-way slabs I
On be provided with bellmouth, multiple circular through holes are provided in one-way slabs II, unidirectional slide post is slidably connected in one-way slabs II, single
It is fixedly connected with unidirectional circular cone to the upper end of slide post, unidirectional circular cone is withstood in the bellmouth being arranged in one-way slabs I, unidirectionally
Compressed spring is set on slide post, for compressed spring between unidirectional circular cone and one-way slabs II, one-way mechanism is provided with two
A, two one-way slabs I and two one-way slabs II are respectively fixedly connected with to be entered in cylinder in two additives, and two one-way slabs I are respectively positioned on
The upside of two one-way slabs II.
As advanced optimizing for the technical program, a kind of petroleum pipeline valve of the present invention, the petroleum pipeline valve
Door further includes rabbling mechanism, and rabbling mechanism includes that stirring wheel, stirring mounting plate and stirring support plate, the two sides of stirring wheel are fixed
It is connected with stirring mounting plate, stirring support plate is rotatably connected on two stirring mounting plates, there are two rabbling mechanism settings, and four
A stirring support plate is respectively fixedly connected in two connector drum.
A kind of petroleum pipeline valve of the invention has the beneficial effect that
A kind of petroleum pipeline valve of the present invention can carry out lateral transmission by screw thread by rotating adjustment handle manually
Change the spacing between two adjustment connecting rod outer ends to change the distance between two connecting cylinders, to change the length of device
To meet more use demands, the auxiliary wheel being arranged in Liang Ge auxiliary body can make two connecting cylinders change relative distance
When reduce the frictional force of two connecting cylinders movement, help two connecting cylinders to change relative distances, when needing to add one into pipeline
It is defeated into device by two one-way mechanisms that cylinder can be entered when a little petroleum additives by the additive being arranged on two connecting cylinders
Entering additive need not use by device convenient disassembly, and rabbling mechanism stirs petroleum by the power that oil flow itself generates
It mixes.
Detailed description of the invention
The present invention will be further described in detail with specific implementation method with reference to the accompanying drawing.
Fig. 1 is petroleum pipeline of the invention valve overall structure diagram;
Fig. 2 is petroleum pipeline of the invention valve section view figure structure schematic representation;
Fig. 3 is connecting cylinder structural schematic diagram of the invention;
Fig. 4 is connecting cylinder section view figure structure schematic representation of the invention;
Fig. 5 is valve barrel structure schematic diagram of the invention;
Fig. 6 is auxiliary body's structural schematic diagram of the invention;
Fig. 7 be mounting cylinder structural schematic diagram of the invention with;
Fig. 8 is mounting cylinder structural schematic diagram two of the invention;
Fig. 9 is adjustment mechanism structural schematic diagram of the invention;
Figure 10 is valve mechanism structural schematic diagram of the invention;
Figure 11 is valve mechanism section view figure structure schematic representation of the invention;
Figure 12 is one-way mechanism structural schematic diagram of the invention;
Figure 13 is one-way mechanism section view figure structure schematic representation of the invention;
Figure 14 is rabbling mechanism structural schematic diagram of the invention;
Figure 15 is rabbling mechanism section view figure structure schematic representation of the invention.
In figure: connecting cylinder 1;Connector drum 1-1;Connect sliding groove 1-2;Connect baffle 1-3;I 1-4 of connection plate;Even
Meet II 1-5 of mounting plate;Valve cylinder 2;Valve cylinders 2-1;Valve taper connection cylinder 2-2;Valve installation set 2-3;Slide damper 2-
4;Additive enters a 2-5;Auxiliary body 3;Auxiliary wheel carrier 3-1;Assist wheel shaft 3-2;Auxiliary wheel 3-3;Set lever 3-4;Installation
Cylinder 4;Conically shaped 4-1 is installed;Cylinder 4-2 is installed;Mounting groove 4-3;Connecting cylinder 4-4 is installed;Mounting plate 4-5;Waist hole 4-6 is installed;
Adjustment mechanism 5;Adjust bottom plate 5-1;Adjust screw rod 5-2;Adjust handle 5-3;Adjust threaded block 5-4;Adjust connecting rod 5-5;Valve
Mechanism 6;Valve floor 6-1;Valve side plate 6-2;Valve threaded rod 6-3;Valve handle 6-4;Spigot baffle 6-5;Valve installation
Plate 6-6;Valve mounting groove 6-7;I 6-8 of valve connecting plate;II 6-9 of valve rod plate;Sealing shield ring 6-10;One-way mechanism 7;It is single
To I 7-1 of plate;II 7-2 of one-way slabs;Unidirectional slide post 7-3;Unidirectional circular cone 7-4;Rabbling mechanism 8;Stirring wheel 8-1;Stirring installation
Plate 8-2;Stir support plate 8-3.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Before illustrating specific embodiment, to avoid repeating language, illustrating " being fixedly connected " as described below can be with
It is: is bolted, welds and the modes such as rivet interlacement are fixed, those skilled in the art can be according to different applications
Scene selects the different modes that is fixedly connected, and main purpose is that two pieces part is fixed.
Specific embodiment 1:
Illustrate present embodiment below with reference to Fig. 1-15, a kind of petroleum pipeline valve, including connecting cylinder 1, valve cylinder 2,
Auxiliary body 3, mounting cylinder 4, adjustment mechanism 5 and valve mechanism 6, can by rotate manually adjustment handle 5-3 by screw thread into
Laterally transmission changes the spacing between two adjustment outer ends connecting rod 5-2 to change the distance between two connecting cylinders 1 to row, thus
Change the length of device to meet more use demands, the auxiliary wheel 3-3 being arranged in Liang Ge auxiliary body 3 can make two
Connecting cylinder 1 reduces the frictional force of two connecting cylinders 1 movement when changing relative distance, two connecting cylinders 1 is helped to change relative distance,
It is logical that a 2-5 can be entered by the additive being arranged on two connecting cylinders 1 when needing and adding some petroleum additives into pipeline
Crossing two one-way mechanisms 7 and inputting additive into device need not use by device convenient disassembly, and rabbling mechanism 8 passes through petroleum streams
The dynamic power generated itself is stirred petroleum.
The connecting cylinder 1 include connector drum 1-1, connection sliding groove 1-2, connection baffle 1-3, I 1-4 of connection plate and
II 1-5 of connection plate, one end of connector drum 1-1 are provided with connection sliding groove 1-2, and connection baffle 1-3 is fixedly connected on company
Connect cylinder body 1-1 is provided with one end of connection sliding groove 1-2, and I 1-4 of connection plate is fixedly connected on the connector drum 1-1 other end
Inside, II 1-5 of connection plate is fixedly connected on the inside of I 1-4 of connection plate, and there are two the settings of connecting cylinder 1;
The valve cylinder 2 includes valve cylinders 2-1, valve taper connection cylinder 2-2, valve installation set 2-3 and slide damper
2-4, the both ends of valve cylinders 2-1 have been respectively fixedly connected with valve taper connection cylinder 2-2 and slide damper 2-4, and valve taper connects
It is fixedly connected with valve installation set 2-3 on connect cylinder 2-2, there are two the settings of valve cylinder 2, two slide damper 2-4 company of sliding respectively
It connects in two connection sliding groove 1-2;
The auxiliary body 3 includes auxiliary wheel carrier 3-1, assists wheel shaft 3-2 and auxiliary wheel 3-3, is rotated on auxiliary wheel carrier 3-1
It is connected with auxiliary wheel shaft 3-2, the both ends of auxiliary wheel shaft 3-2 are fixedly connected to auxiliary wheel 3-3, and there are two the settings of auxiliary body 3,
Two auxiliary wheel carrier 3-1 are respectively fixedly connected on two connector drum 1-1;
The mounting cylinder 4 includes installation conically shaped 4-1, installation cylinder 4-2, mounting groove 4-3, installation connecting cylinder 4-4, installation
Plate 4-5 and installation waist hole 4-6, the both ends of installation conically shaped 4-1 have been respectively fixedly connected with installation cylinder 4-2 and installation connecting cylinder 4-
4, it installs and is provided with mounting groove 4-3 on cylinder 4-2, install and be fixedly connected with mounting plate 4-5 on connecting cylinder 4-4, on mounting plate 4-5
It is circumferentially uniformly arranged there are four waist hole 4-6 is installed, there are two the settings of mounting cylinder 4, and the inside of two installation cylinder 4-2 passes through peace
Tankage 4-3 is mounted on II 1-5 of connection plate;
The adjustment mechanism 5 include adjustment bottom plate 5-1, adjustment screw rod 5-2, adjustment handle 5-3, adjustment threaded block 5-4 and
Connecting rod 5-5 is adjusted, the both ends of adjustment bottom plate 5-1 are respectively fixedly connected on two valve cylinders 2-1, and the one of adjustment screw rod 5-2
End is rotatably connected on adjustment bottom plate 5-1, and the other end of adjustment screw rod 5-2 is fixedly connected with adjustment handle 5-3, adjusts screw rod 5-
Adjustment threaded block 5-4 is connected through a screw thread on 2, there are two adjustment screw rod 5-2 settings, and one end of two adjustment screw rod 5-2 is equal
It is hinged on adjustment threaded block 5-4, the other end of two adjustment screw rod 5-2 is respectively hinged on two connector drum 1-1;
The valve mechanism 6 includes valve floor 6-1, valve side plate 6-2, valve threaded rod 6-3, valve handle 6-4, valve
Door guard plate 6-5, valve mounting plate 6-6, valve mounting groove 6-7, I 6-8 of valve connecting plate, II 6-9 of valve rod plate and sealing gear
6-10 is enclosed, the two sides of valve floor 6-1 are fixedly connected to valve side plate 6-2, and two valve side plate 6-2 are respectively fixedly connected with
On two connector drum 1-1, valve threaded rod 6-3 is threadedly attached on valve floor 6-1, and valve threaded rod 6-3's is upper
End is fixedly connected with valve handle 6-4, and the lower end of valve threaded rod 6-3 is rotatably connected to spigot baffle 6-5, valve mounting plate 6-
There are two 6 settings, and valve mounting groove 6-7 is provided on the outside of two valve mounting plate 6-6, and two valve mounting plate 6-6 divide
It is not separately mounted on two valve installation set 2-3 by two valve mounting groove 6-7, the inside of two valve mounting plate 6-6
It is fixedly connected to I 6-8 of valve connecting plate, is connected between two I 6-8 of valve connecting plate and is connected to II 6-9 of valve rod plate, valve
Sealing shield ring 6-10 is connected on II 6-9 of link rod plate, spigot baffle 6-5 is slidably connected between two I 6-8 of valve connecting plate,
Valve threaded rod 6-3 is interference fitted in Sealing shield ring 6-10;By two mounting plate 4-5 and the two of pipeline to be mounted when use
End is attached, by being thread through the installation waist hole 4-6 being arranged on mounting plate 4-5 and the flange hole on the pipe end to be connect
It is attached, installation waist hole 4-6, which can be adjusted the position of installation screw thread, allows mounting plate 4-5 by installing waist hole 4-
6 are mounted on the use demand being suitable on a variety of ring flanges more pair, when the length for needing to change device is to adapt to use demand,
Rotation adjustment handle 5-3 rotates adjustment handle 5-3 centered on the axis for adjusting screw rod 5-2 manually, adjusts handle 5-3
Adjustment screw rod 5-2 is driven to be rotated centered on the axis for adjusting screw rod 5-2, adjustment screw rod 5-2 is driven by screw thread and adjusted
Threaded block 5-4 is moved up and down on the axis direction of adjustment screw rod 5-2, when adjustment threaded block 5-4 is adjustment screw rod 5-2's
When axis direction is moved downwards, adjustment threaded block 5-4 drives the inside of two adjustment connecting rod 5-5 to be moved downwards, and two
Outside movement close to each other under the limit of two connector drum 1-1 of a adjustment connecting rod 5-5, two adjustment connecting rod 5-5 drive
Two two connector drum 1-1 movements close to each other, two connector drum 1-1 pass through two connection sliding groove 1-2 two respectively
Movement close to each other on a valve cylinders 2-1, due to the blocking and sealing of two slide damper 2-4 and two connection baffle 1-3
Effect seals device without departing from guarantee, and device shortens, when adjustment threaded block 5-4 is in the axis direction of adjustment screw rod 5-2
When being moved upwards, adjustment threaded block 5-4 drives the inside of two adjustment connecting rod 5-5 to be moved upwards, and two adjustment connect
The outside of bar 5-5 is located remotely from each other movement under the limit of two connector drum 1-1, and two adjustment connecting rod 5-5 drive two two
Connector drum 1-1 is located remotely from each other movement, and two connector drum 1-1 pass through two connection sliding groove 1-2 in two valve cylinders respectively
Movement is located remotely from each other on body 2-1, since two slide damper 2-4 and two blockings for connecting baffle 1-3 and sealing function make to fill
It sets and is sealed without departing from guarantee, device is elongated;When needing to be switched on valve, manual rotating valve handle 6-4 makes valve
Handle 6-4 is rotated centered on the axis of valve threaded rod 6-3, and valve handle 6-4 band movable valve threaded rod 6-3 is with valve
It is rotated centered on the axis of threaded rod 6-3, valve threaded rod 6-3 is by thread belt movable valve baffle 6-5 in two valves
The switch of the sliding control present apparatus is carried out between I 6-8 of connecting plate.
The valve cylinder 2 further includes that additive enters a 2-5, and additive enters a 2-5 and is fixedly connected on valve cylinders 2-1,
Additive enters a 2-5 and is connected to valve cylinders 2-1.
The auxiliary body 3 further includes set lever 3-4, and there are two set lever 3-4 settings, two set lever 3-4
It is threadedly attached on auxiliary wheel shaft 3-2.
The petroleum pipeline valve further includes one-way mechanism 7, and one-way mechanism 7 includes I 7-1 of one-way slabs, II 7- of one-way slabs
2, it is provided with bellmouth on unidirectional slide post 7-3 and unidirectional circular cone 7-4, I 7-1 of one-way slabs, is provided on II 7-2 of one-way slabs more
A circular through hole, unidirectional slide post 7-3 are slidably connected on II 7-2 of one-way slabs, and the upper end of unidirectional slide post 7-3 is fixedly connected with
Unidirectional circular cone 7-4, unidirectional circular cone 7-4 withstand in the bellmouth being arranged on I 7-1 of one-way slabs, are set on unidirectional slide post 7-3
There is compressed spring, compressed spring is between II 7-2 of unidirectional circular cone 7-4 and one-way slabs, and there are two the settings of one-way mechanism 7, and two
I 7-1 and two II 7-2 of one-way slabs of a one-way slabs is respectively fixedly connected with to enter in a 2-5 in two additives, two I 7-1 of one-way slabs
It is respectively positioned on the upside of two II 7-2 of one-way slabs;When need add some additives into petroleum when, by the pipeline of additive with add
Agent is added to enter a 2-5 connection, additive squeezes unidirectional circular cone 7-4, squeezes unidirectional circular cone 7-4 to compressed spring
Pressure, unidirectional circular cone 7-4 squeeze compressed spring and unidirectional slide post 7-3 are pushed to be slided on II 7-2 of one-way slabs, additive from
The circular through hole being arranged on II 7-2 of bellmouth and one-way slabs being arranged on I 7-1 of one-way slabs enters in device, due to unidirectionally boring
The one-way sealing of shape block 7-4, in obstructed additive, petroleum be will not flow out.
The petroleum pipeline valve further includes rabbling mechanism 8, and rabbling mechanism 8 includes stirring wheel 8-1, stirring mounting plate 8-
2 and stirring support plate 8-3, the two sides of stirring wheel 8-1 are fixedly connected on stirring mounting plate 8-2, two stirring mounting plate 8-2
It is rotatably connected to stirring support plate 8-3, there are two the settings of rabbling mechanism 8, and four stirring support plate 8-3 are respectively fixedly connected with
In two connector drum 1-1;It will push stirring wheel 8-1 when petroleum passes through stirring wheel 8-1 to be rotated, stirring wheel 8-1 is utilized
The impact force of petroleum is stirred petroleum.
A kind of petroleum pipeline valve of the invention, its working principle is that:
The both ends of two mounting plate 4-5 and pipeline to be mounted are attached when use, by being thread through mounting plate
The installation waist hole 4-6 being arranged on 4-5 is attached with the flange hole on the pipe end to be connect, and installation waist hole 4-6 can be to peace
The position of dress screw thread, which is adjusted, is suitable for mounting plate 4-5 more by installing waist hole 4-6 and being mounted on a variety of ring flanges
Pair use demand, when the length for needing to change device is to adapt to use demand, rotation adjustment handle 5-3 makes to adjust hand manually
Handle 5-3 is rotated centered on the axis for adjusting screw rod 5-2, and adjustment handle 5-3 drives adjustment screw rod 5-2 to adjust screw rod 5-
It is rotated centered on 2 axis, adjustment screw rod 5-2 drives adjustment threaded block 5-4 in the axis of adjustment screw rod 5-2 by screw thread
It moves up and down on direction, when adjusting threaded block 5-4 when the axis direction for adjusting screw rod 5-2 is moved downwards, adjusts
Threaded block 5-4 drives the inside of two adjustment connecting rod 5-5 to be moved downwards, and the outside of two adjustment connecting rod 5-5 is in two companies
Movement close to each other under the limit of connect cylinder body 1-1, two adjustment connecting rod 5-5 drive two two connector drum 1-1 close to each other
Movement, two connector drum 1-1 pass through two connection sliding groove 1-2 movements close to each other on two valve cylinders 2-1 respectively,
Since two slide damper 2-4 and two blockings for connecting baffle 1-3 and sealing function seal device without departing from guarantee,
Device shortens, and when adjusting threaded block 5-4 when the axis direction for adjusting screw rod 5-2 is moved upwards, adjusts threaded block 5-4 band
The inside of dynamic two adjustment connecting rod 5-5 is moved upwards, and the outside of two adjustment connecting rod 5-5 is two connector drum 1-1's
Movement is located remotely from each other under limit, two adjustment connecting rod 5-5 drive two two connector drum 1-1 to be located remotely from each other movement, two companies
Connect cylinder body 1-1 passes through two connection sliding groove 1-2 respectively and is located remotely from each other movement on two valve cylinders 2-1, due to two cunnings
Dynamic baffle 2-4 and two blockings for connecting baffle 1-3 and sealing function seal device without departing from guarantee, and device is elongated;
When needing to be switched on valve, manual rotating valve handle 6-4 makes valve handle 6-4 with the axis of valve threaded rod 6-3
Center is rotated, and valve handle 6-4 is rotated centered on the axis of valve threaded rod 6-3 with movable valve threaded rod 6-3,
Valve threaded rod 6-3 carries out sliding by thread belt movable valve baffle 6-5 between two I 6-8 of valve connecting plate and controls this dress
The switch set;When needing to add some additives into petroleum, the pipeline of additive is entered into a 2-5 with additive and is connected to, is added
Add agent to squeeze unidirectional circular cone 7-4, squeeze unidirectional circular cone 7-4 to compressed spring, unidirectional circular cone 7-4 is squeezed
Pressure compressed spring pushes unidirectional slide post 7-3 to be slided on II 7-2 of one-way slabs, what additive was arranged from I 7-1 of one-way slabs
The circular through hole being arranged on II 7-2 of bellmouth and one-way slabs enters in device, due to the one-way sealing of unidirectional circular cone 7-4,
In obstructed additive, petroleum be will not flow out;It will push stirring wheel 8-1 when petroleum passes through stirring wheel 8-1 to be rotated, stir
Wheel 8-1 is stirred petroleum using the impact force of petroleum.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made within the essential scope of the present invention also belong to guarantor of the invention
Protect range.