CN106969160B - A kind of oscillatory valve - Google Patents
A kind of oscillatory valve Download PDFInfo
- Publication number
- CN106969160B CN106969160B CN201710365066.4A CN201710365066A CN106969160B CN 106969160 B CN106969160 B CN 106969160B CN 201710365066 A CN201710365066 A CN 201710365066A CN 106969160 B CN106969160 B CN 106969160B
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- Prior art keywords
- piston
- flap
- fixing sleeve
- valve
- chamber
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- 230000003534 oscillatory effect Effects 0.000 title claims abstract description 32
- 101100532451 Rattus norvegicus Slc22a17 gene Proteins 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
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- 229910010293 ceramic material Inorganic materials 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- 238000005272 metallurgy Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of oscillatory valves, including upper valve body, lower valve body, flap, flap connecting rod, valve rod and driving mechanism, the flap is set on the end of the flap connecting rod, it further include that multiple flaps are shored, it includes: fixing sleeve, fixed body, piston boit, first piston device and second piston device that the multiple flap, which is shored, the fixing sleeve is fixedly mounted on the boss of the end of the flap connecting rod, and the inner hole of the fixing sleeve is connected with the gas supply gas source of the oscillatory valve；The fixed body is fixed on the inner hole top of the fixing sleeve；The piston boit is movably arranged in the fixed body, and extend to the inner hole of the fixing sleeve, the first piston device is movably arranged in the inner hole of the fixing sleeve, and it is movably arranged on the piston boit, the bottom hole of the first piston device and the fixing sleeve forms the first chamber, due to using, so that leakproofness of the present invention is preferable, leakproofness caused by there is adjustment to be worn due to flap reduces the performance of problem.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of oscillatory valve.
Background technique
Valve it is many kinds of, structure, the scheme that different operating environment, different pumped (conveying) mediums are taken respectively have feature,
Its design feature of the valve of phase same-action is also had any different, and oscillatory valve is an important portion in concentrated phase positive pneumatic conveying system
Part is typically employed in the industries such as thermal power plant, metallurgy, medicine, chemical industry, all kinds of dust, particle and semifluid medium it is defeated
It send, oscillatory valve is to drive flap connecting rod to transfer by valve rod to realize valve opening and closing.Existing oscillatory valve uses for a long time
Afterwards, due to flap abrasion cause leakproofness to reduce, do not have compensation ability, in addition, valve open and close when, flap surface
Pressure is always existed between the sealing surface near runner mouth, so that frictional force is big when opening and closing, causes flap and runner
Sealing surface wear near mouthful is serious, therefore, is badly in need of a kind of preferable oscillatory valve of leakproofness, can reduce flap and runner mouth is attached
Abrasion between close sealing surface.
Summary of the invention
In view of this, the present invention provides a kind of preferable oscillatory valve of leakproofness, can be reduced when valve opens and closes
The abrasion between sealing surface near flap and runner mouth, and can realize and be again sealed off after valve closure.
To achieve the above object, the invention provides the following technical scheme:
A kind of oscillatory valve, including upper valve body, lower valve body, flap, flap connecting rod, valve rod and driving mechanism, the upper valve body
Be mounted in the lower valve body, the valve handle activity is arranged on the upper valve body, the both ends of the valve rod respectively with the drive
Motivation structure is connected with the flap connecting rod, and the flap is set on the end of the flap connecting rod, further includes multiple flaps
It shores, the multiple flap, which is shored, includes:
Fixing sleeve, the fixing sleeve are fixedly mounted on the boss of the end of the flap connecting rod, the fixing sleeve it is interior
Hole is connected with the gas supply gas source of the oscillatory valve；
Fixed body, the fixed body are fixed on the inner hole top of the fixing sleeve；
Piston boit, the piston boit are movably arranged in the fixed body, and are extended to the inner hole of the fixing sleeve, described
The top of piston boit is equipped with bulb, and the bulb contradicts intracavitary under the flap；
First piston device, the first piston device are movably arranged in the inner hole of the fixing sleeve, and activity setting
On the piston boit, the interior bottom hole of the first piston device and the fixing sleeve forms the first chamber；
Second piston device, the second piston device are movably arranged in the inner hole of the fixing sleeve, and are fixedly installed
On the piston boit, between the second piston device and the fixed body formed third chamber, the second piston device with
The second chamber is formed between the first piston device, and bullet is equipped between the second piston device and the first piston device
Spring.
Further, the flap, which is shored, is arranged in the installation cavity of the boss.
Further, there is angle H, and the angle between the axis of the flap is shored axis and the boss
H is 30 °~45 °.
Further, the flap connecting rod further include the channel being sequentially communicated, cavity and several divide gas aperture, it is described logical
The air inlet in road is communicated with the air inlet pipe of the oscillatory valve, and the gas outlet for dividing gas aperture passes through positioned at the bottom of the fixing sleeve
Import on plate is communicated with first chamber.
Further, the first piston ontology of the first piston device includes cavity, annular groove and through-hole, and described
One piston apparatus is set on the piston boit by the through-hole, and the cavity and annular groove are located at the first piston
In the both ends of the surface of ontology, and the cavity is communicated with first chamber, and the annular groove is communicated with second chamber.
Further, the second piston device includes sealing ring, second piston ontology and retaining ring, the sealing snare
It is located on the periphery of the second piston ontology, the second piston ontology is set on the piston boit, and the retaining ring is fixed
It is arranged on the periphery of the piston boit, and is located on an end face of the second piston ontology.
Further, the spring is set on the piston boit, and one end of the spring is kept out in the annular
On the bottom of slot, the other end of the spring is fixedly connected with the other end of the second piston ontology.
Further, the fixed body includes sealing ring, guide support seat and pilot hole, and the sealing ring is fixed at
On one end of the guide support seat, and to be located at the third intracavitary for the sealing ring, and the piston boit passes through the pilot hole,
And it can be along the axial movement of the pilot hole.
Further, the flap is a pair, and a pair of of flap is respectively sleeved on the both ends of the flap connecting rod, and one
Flap is matched with the corresponding runner mouth on the upper valve body respectively.
It can be seen from the above technical scheme that the invention has the advantages that
It can reduce driving force when valve opening and closing, while reducing the adhesive force between valve sealing face, in turn
So that valve, in opening and closing, the frictional force between flap and upper valve opening faying face is reduced, and then reduces flap, upper valve
The abrasion of hole surface extends the service life of valve, in addition, after valve closure, by being supplied to the first chamber, so that flap
Be in close contact upwards with upper valve opening faying face, realization is again sealed off, in addition, the abrasion loss of above structure energy effective compensation flap or
The abrasion loss of upper valve opening faying face, can extend the service life of flap and upper valve body, simultaneously as compensating for abrasion loss, avoid
Sealing caused by abrasion loss is poor, so that the sealing effect of oscillatory valve is more preferable.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is cross-sectional view of the invention.
Fig. 2 is the cross-sectional view of partial structurtes of the invention.
Fig. 3 is the top view of boss of the invention.
Fig. 4 is the partial structure sectional view of Fig. 2 of the invention.
Fig. 5 is the cross-sectional view that flap of the invention is shored.
Fig. 6 is the cross-sectional view of first piston device and second piston device of the invention.
Fig. 7 is the cross-sectional view of first piston ontology of the invention.
Fig. 8 is the cross-sectional view of fixed body of the invention.
Fig. 9 is the cross-sectional view of guide support seat of the invention.
Figure 10 is plan view of the invention.
Figure 11 is the cross-sectional view of the embodiment of the present invention two.
In the figure, it is marked as
Upper valve body 1, upper valve opening 101, lower valve body 2, valve flowing channel 21, lower valve opening 201, flap 3, cavity of resorption 31, valve seat 4, valve
Plate liner 5, valve rod pad lid 6, air inlet pipe 10, big copper sheathing 11, valve rod 12, valve rod air inlet 121, air cylinder connecting rod 13, thrust ring 14,
O-ring 15, adjusting pad 16, valve body bolt 17, cylinder connector 20, cylinder 22, travel switch 24, solenoid valve 25, bracket 26, flap
Connecting rod 8, channel 81, sealing cover 82, installation cavity 83, cavity 84, divide gas aperture 85, boss 86, flap shore 90, piston boit 91,
Bulb 911, fixing sleeve 92, the first chamber 921, the second chamber 922, third chamber 923, import 924, bottom plate 925, first piston device
93, first piston ontology 931, landolsring 9311, cavity 9312, annular groove 9314, through-hole 9315, sliding surface 9316, second are living
Plug device 94, sealing ring 941, second piston ontology 942, retaining ring 943, fixed body 95, sealing ring 951, guide support seat 952,
Pilot hole 9521, flange 9522, spring 96.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
Referring to figs. 1 to Figure 10, a kind of oscillatory valve as shown in Figure 1, including upper valve body 1, lower valve body 2, flap 3, flap connect
Bar 8, valve rod 12 and driving mechanism, the upper valve body 1 are mounted in the lower valve body 2, and the valve rod 12 is movably arranged on described
On upper valve body 1, the both ends of the valve rod 12 are connected with the driving mechanism and the flap connecting rod 8 respectively, 3 sets of the flap
It is located on the end of the flap connecting rod 8, which further includes that multiple flaps shore 90, as shown in figure 5, the multiple flap
Shoring 90 includes: fixing sleeve 92, fixed body 95, piston boit 91, first piston device 93 and second piston device 94, the fixation
On the boss 86 for the end that set 92 is fixedly mounted on the flap connecting rod 8, inner hole and the oscillatory valve of the fixing sleeve 92
Gas supply gas source is connected, and the fixed body 95 is fixed on the inner hole top of the fixing sleeve 92, and the flap, which shores 90, to be supplemented
Gap caused by being worn due to flap 3, it is ensured that sealed reliable, between can also compensate for caused by the abrasion of the valve seat 4 on valve opening 101
Gap, it is ensured that sealed reliable.
The piston boit 91 is movably arranged in the fixed body 95, and is extended to the inner hole of the fixing sleeve 92, described
The top of piston boit 91 is equipped with bulb 911, and the bulb 911 contradicts in the cavity of resorption 31 of the flap 3, the first piston dress
It sets 93 to be movably arranged in the inner hole of the fixing sleeve 92, and is movably arranged on the piston boit 91, the first piston dress
93 interior bottom hole the first chambers 921 of formation with the fixing sleeve 92 are set, the second piston device 94 is movably arranged on the fixation
It in the inner hole of set 92, and is fixed on the piston boit 91, between the second piston device 94 and the fixed body 95
Third chamber 923 is formed, forms the second chamber 922 between the second piston device 94 and the first piston device 93, described the
Spring 96 is equipped between two piston apparatus 94 and the first piston device 93, the bulb 911 of the piston boit 91 is kept out in institute
It states on flap 3, after valve closure, is passed through compressed air in the first chamber 921, so that bulb 911 jacks up flap 3 upwards, make
The valve plate liner 5 obtained on flap 3 is fitted closely with valve seat 4, realizes effective sealing of valve, while can effectively avoid due to valve
Gap caused by the abrasion of plate liner 5 or valve seat 4 so that sealing effect is more preferable, and then extends the service life of the oscillatory valve.
As shown in Figures 2 and 3, the flap is shored 90 and is arranged in the installation cavity 83 of the boss 86, described convex
Several installation cavitys 83 are evenly arranged on 86 end face of platform.
Installation cavity 83 can be 4,5,6, it might even be possible to be more than 10, this needs to be set according to actual condition
It sets, those skilled in the art have the method for solving the problems, such as this, belong to the conventional arrangement of this field.
But by actual verification, it is preferable that installation cavity 83 be 3 when, effect is preferable, valve plate liner 5 with valve seat 4 it
Between uniform force, sealing effect is good.
The quantity setting of installation cavity 83 determines that flap shores 90 number.
As shown in figure 4, the flap, which is shored, has angle H between 90 axis and the axis of the boss 86, and described
Angle H is 30 °~45 °.
The angle H is 35 °.
The angle H is 45 °.
Preferably, the angle H is 40 °.
In fact, the angle between the axis of installation cavity 83 and the axis of the boss 86 is also 30 °~45 °.
As shown in Figure 4 and Figure 5, the flap connecting rod 8 further include the channel 81 being sequentially communicated, cavity 84 and several divide gas
Aperture 85, the air inlet in the channel 81 are communicated with the air inlet pipe 10 of the oscillatory valve, and the gas outlet for dividing gas aperture 85 is logical
The import 924 crossed on the bottom plate 925 of the fixing sleeve 92 is communicated with first chamber 921, so that in the cavity 84
Gas can divide the quantity of gas aperture 85 to be determined by the quantity of installation cavity 83 in smooth delivery of power to first chamber 921.
As shown in Figure 6 and Figure 7, the first piston ontology 931 of the first piston device 93 includes cavity 9312, annular groove
9314 and through-hole 9315, the first piston device 93 is set on the piston boit 91 by the through-hole 9315, described recessed
Chamber 9312 and annular groove 9314 are located in the both ends of the surface of the first piston ontology 931, and the cavity 9312 with it is described
First chamber 921 communicates, and the annular groove 9314 is communicated with second chamber 922, and the first piston device 93 can be along the work
Stick harness 91 slides up and down.
As shown in fig. 6, the second piston device 94 includes sealing ring 941, second piston ontology 942 and retaining ring 943, institute
It states sealing ring 941 to be set on the periphery of the second piston ontology 942, the second piston ontology 942 is set in the work
On stick harness 91, the retaining ring 943 is fixed on the periphery of the piston boit 91, and is located at the second piston ontology 942
An end face on.
The spring 96 is set on the piston boit 91, and one end of the spring 96 is kept out in the annular groove 9314
Bottom on, the other end of the spring 96 is fixedly connected with the other end of the second piston ontology 942.
As shown in Fig. 5, Fig. 8 and Fig. 9, the fixed body 95 includes sealing ring 951, guide support seat 952 and pilot hole
9521, the sealing ring 951 is fixed on one end of the guide support seat 952, and the sealing ring 951 is positioned at described
In third chamber 923, one end of the guide support seat 952 is provided with flange 9522, and the piston boit 91 passes through the pilot hole
9521, and the inner hole of the fixing sleeve 92 can be fixed on along the axial movement of the pilot hole 9521, the guide support seat 952
Interior, in 91 motion process of piston boit, the pilot hole 9521 has guiding role.
As shown in Figure 1, the driving mechanism includes cylinder 22 and air cylinder connecting rod 13, the cylinder 22 passes through cylinder connector 20
It is connect with the air cylinder connecting rod 13, and the cylinder 22 drives the air cylinder connecting rod 13 to rotate, the travel switch 24 and electromagnetism
Valve 25 is mounted on cylinder 22, and is electrically connected with the controller.
One end of the valve rod 12 is connected with the driving mechanism, the other end of the valve rod 12 and the flap connecting rod
8 one end is fixedly connected, and can make full use of space in this way, keeps small product size small, and the cylinder 22 of the driving mechanism passes through drive
It moves the valve rod 12 to rotate, so that the flap connecting rod 8 is swung, the flap connecting rod 8 drives flap 3 to move, and realizes on opening
Valve opening 101 closes upper valve opening 101.
The flap 3 is matched with the runner mouth of corresponding upper valve body 1, when the flap 3 is single valve valve structure, flap 3
It is mounted on one end of the flap connecting rod 8, and the flap 3 is contained in the valve flowing channel 21 of the lower valve body 2, the flap
Sealing surface is formed between the lower surface of the valve seat 4 of the upper surface and upper valve body 1 of 3 valve plate liner 5, when the driving mechanism drives
When opening flap 3, the upper valve opening 101 of the upper valve body 1 and the valve flowing channel 21 of the lower valve body 2 connect, and realize the pendulum
Dynamic valve is opened, and the valve plate liner 5 uses engineering ceramic material, improves wearability, keeps the opening and closing of flap 3 lighter.
As shown in figure 5 and figure 7, there is sliding surface 9316, the sliding surface on the periphery of the first piston ontology 931
9316 slide up and down along the inner wall of the fixing sleeve 92, and the downside of the sliding surface 9316 has landolsring 9311, can reduce institute
State resistance to sliding when sliding surface 9316 is slided up and down along the inner wall of the fixing sleeve 92.
As shown in Figure 4 and Figure 5, there is valve rod air inlet 121 in the valve rod 12, the tracheae 10 passes through valve rod air inlet
121, the channel 81 of the flap connecting rod 8 and the cavity 84 of the flap connecting rod 8 connect, and the cavity 84 divides gas by described
Aperture 85, import 924 are communicated with first chamber 921, and the side of the cavity 84 is provided with sealing cover 82, the sealing cover 82
For sealing cavity 84, it is arranged that the sealing cover 82 is easy to process described to divide gas aperture 85.
As shown in Figure 1, the valve rod 12 sequentially passes through the air cylinder connecting rod 13 and upper valve body 1 extends to the lower valve body 2
Inside, and the valve rod 12 is connected by key with the air cylinder connecting rod 13, the air cylinder connecting rod 13 drives the valve rod 12 to rotate,
The top of the valve rod 12 is provided with valve rod pad lid 6, and one end of the air inlet pipe 10 passes through valve rod pad lid 6 and valve rod air inlet
121 connections, ensure the reliability that the air inlet pipe 10 is connect with air inlet 121 by valve rod pad lid 6.
Big copper sheathing 11 and O-ring 15 are provided between the valve rod 12 and upper valve body 1, and the big copper sheathing 11 is positioned at O-shaped
The upside of circle 15 is sealed between the valve rod 12 and upper valve body 1 by O-ring 15, between the air cylinder connecting rod 13 and upper valve body 1
It is provided with thrust ring 14, and the thrust ring 14 is kept out on the end face of big copper sheathing 11.
Adjusting pad 16 is also arranged on the periphery of the valve rod 12, one end of the adjusting pad 16 is kept out in flap connecting rod 8
On, the other end is kept out on the faying face of the upper valve body 1.
As shown in Fig. 1 and Figure 10, the lower valve body 2 is set as triangle cardioid shape identical with 1 size of upper valve body, under described
Valve body 2 and upper valve body 1 pass through flanged joint, and setting is equipped with several valve body bolts 17 on flange, and lower valve body 2 is equipped with lower valve opening
201, the triangle cardioid shape structure compresses of upper valve body 1 and lower valve body 2 volume of valve body.
The side of the upper valve body 1 is provided with bracket 26, and the cylinder 22 is fixed on bracket 26.
After the oscillatory valve is closed, 90 ventilations are shored from air inlet pipe 10 to the flap, under gas pressure effect, institute
921 volume expansion of the first chamber is stated, the first piston device 93 is pushed to move along the piston boit 91, so that 922 body of the second chamber
Product is shunk, while compressed spring 96, and under the action of 96 elastic force of spring, second piston device 94 is driven, second piston device
94 is mobile, so that the piston boit 91 moves upwards in the pilot hole 9521 of the fixed body 95,91 end of piston boit
Bulb 911 compress the flap 3 so that sealing effect is good, when second piston device 94 is mobile, third chamber 923 is compressed,
During the entire process of bulb 911 compresses flap 3, the gas in the second chamber 922 and third chamber 923 is compressed, and is played slow
The effect of punching, while reducing impact force when bulb 911 compresses the flap 3.
When the oscillatory valve needs to open, 10 pressure release of air inlet pipe, pressure is reduced in the first chamber 921, the second chamber 922 and the
Gas expansion in three chambers 923, bulb 911 reduce the top power of flap 3, the upper surface of valve plate liner 5 and the lower surface of valve seat 4
Between drag reduction, the cylinder 22 drives the flap 3 to swing, and process is laborsaving, and reduces the flap 3 and runner mouth
Abrasion between neighbouring sealing surface, extends service life.
Embodiment two:
With reference to Figure 11, the embodiment difference from example 1 is that the flap 3 be bivalve valve structure, be mounted on
On the both ends of the flap connecting rod 8, the sealing surface of the flap 3 pads 5 phases with the valve plate being mounted on the inside of the runner mouth
Cooperation.
The flap 3 of the oscillatory valve is a pair, and a pair of of flap 3 is respectively sleeved on the both ends of the flap connecting rod 8, and
A pair of of flap 3 is matched with the corresponding runner mouth on the upper valve body 1 respectively.
The upper valve body 1 is a pair, and a pair of of correspondence of upper valve body 1 is mounted in the lower valve body 2.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of oscillatory valve, including upper valve body (1), lower valve body (2), flap (3), flap connecting rod (8), valve rod (12) and driving machine
Structure, the upper valve body (1) are mounted on the lower valve body (2), and the valve rod (12) is movably arranged on the upper valve body (1),
The both ends of the valve rod (12) are connected with the driving mechanism and the flap connecting rod (8) respectively, and the flap (3) is set in
On the end of the flap connecting rod (8), which is characterized in that further include that multiple flaps are shored (90), the multiple flap is shored
(90) include:
Fixing sleeve (92), the fixing sleeve (92) is fixedly mounted on the boss (86) of the end of the flap connecting rod (8), described
The inner hole of fixing sleeve (92) is connected with the gas supply gas source of the oscillatory valve；
Fixed body (95), the fixed body (95) are fixed on the inner hole top of the fixing sleeve (92)；
Piston boit (91), the piston boit (91) are movably arranged in the fixed body (95), and to the fixing sleeve (92)
Inner hole extends, and the top of the piston boit (91) is equipped with bulb (911), and the bulb (911) contradicts under the flap (3)
In chamber (31)；
First piston device (93), the first piston device (93) are movably arranged in the inner hole of the fixing sleeve (92), and
It is movably arranged on the piston boit (91), the interior bottom hole of the first piston device (93) and the fixing sleeve (92) forms the
One chamber (921)；
Second piston device (94), the second piston device (94) are movably arranged in the inner hole of the fixing sleeve (92), and
It is fixed on the piston boit (91), forms third chamber between the second piston device (94) and the fixed body (95)
(923), it is formed the second chamber (922) between the second piston device (94) and the first piston device (93), described second
Spring (96) are equipped between piston apparatus (94) and the first piston device (93).
2. oscillatory valve according to claim 1, which is characterized in that the flap is shored (90) and is arranged in the boss (86)
Installation cavity (83) in.
3. oscillatory valve according to claim 2, which is characterized in that the flap shores the axis and the boss of (90)
(86) there is angle H, and the angle H is 30 °~45 ° between axis.
4. oscillatory valve according to claim 1, which is characterized in that the flap connecting rod (8) further include be sequentially communicated it is logical
Road (81), cavity (84) and several divide gas aperture (85), the air inlet pipe of the air inlet of the channel (81) and the oscillatory valve
(10) it communicates, the import on bottom plate (925) of the gas outlet for dividing gas aperture (85) by being located at the fixing sleeve (92)
(924) it is communicated with first chamber (921).
5. oscillatory valve according to claim 4, which is characterized in that the first piston ontology of the first piston device (93)
It (931) include cavity (9312), annular groove (9314) and through-hole (9315), the first piston device (93) passes through the through-hole
(9315) it is set on the piston boit (91), the cavity (9312) and annular groove (9314) are located at the first piston
In the both ends of the surface of ontology (931), and the cavity (9312) is communicated with first chamber (921), the annular groove (9314) with
Second chamber (922) communicates.
6. oscillatory valve according to claim 5, which is characterized in that the second piston device (94) includes sealing ring
(941), second piston ontology (942) and retaining ring (943), the sealing ring (941) are set in the second piston ontology (942)
Periphery on, the second piston ontology (942) is set on the piston boit (91), and the retaining ring (943) is fixed at
On the periphery of the piston boit (91), and it is located on an end face of the second piston ontology (942).
7. oscillatory valve according to claim 6, which is characterized in that the spring (96) is set in the piston boit (91)
On, and one end of the spring (96) is kept out on the bottom of the annular groove (9314), the other end of the spring (96) with
The other end of the second piston ontology (942) is fixedly connected.
8. oscillatory valve according to claim 1, which is characterized in that the fixed body (95) includes sealing ring (951), guiding
Support base (952) and pilot hole (9521), the sealing ring (951) are fixed at one end of the guide support seat (952)
On, and the sealing ring (951) is located in the third chamber (923), the piston boit (91) passes through the pilot hole (9521),
And it can be along the axial movement of the pilot hole (9521).
9. oscillatory valve according to claim 1, which is characterized in that the flap (3) is a pair, and a pair of of flap (3) is respectively
Be set on the both ends of the flap connecting rod (8), and a pair of of flap (3) respectively with the corresponding stream on the upper valve body (1)
Road junction matches.
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| CN201710365066.4A CN106969160B (en) | 2017-05-22 | 2017-05-22 | A kind of oscillatory valve |
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| CN201710365066.4A CN106969160B (en) | 2017-05-22 | 2017-05-22 | A kind of oscillatory valve |
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| CN106969160A CN106969160A (en) | 2017-07-21 |
| CN106969160B true CN106969160B (en) | 2019-07-05 |
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| CN201710365066.4A Expired - Fee Related CN106969160B (en) | 2017-05-22 | 2017-05-22 | A kind of oscillatory valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110440016B (en) * | 2019-08-15 | 2020-10-30 | 远大阀门集团有限公司 | Regulating valve |
| CN112648083A (en) * | 2020-12-08 | 2021-04-13 | 广汽乘用车有限公司 | Exhaust pressure adjusting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046258A (en) * | 2006-03-31 | 2007-10-03 | Vat控股公司 | Vacuum valve |
| CN201787108U (en) * | 2010-08-19 | 2011-04-06 | 吴小刚 | Pneumatic wear-resistant swing valve for feeding |
| CN201836421U (en) * | 2010-11-05 | 2011-05-18 | 郑州精工蝶阀有限公司 | Oscillating-type pneumatic ceramic ash discharge valve |
| CN103403416A (en) * | 2011-03-10 | 2013-11-20 | 株式会社爱发科 | Gate valve and slide valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6863256B2 (en) * | 2003-02-20 | 2005-03-08 | Mks Instruments, Inc. | Seal ring for pendulum valve assembly |
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2017
- 2017-05-22 CN CN201710365066.4A patent/CN106969160B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046258A (en) * | 2006-03-31 | 2007-10-03 | Vat控股公司 | Vacuum valve |
| CN201787108U (en) * | 2010-08-19 | 2011-04-06 | 吴小刚 | Pneumatic wear-resistant swing valve for feeding |
| CN201836421U (en) * | 2010-11-05 | 2011-05-18 | 郑州精工蝶阀有限公司 | Oscillating-type pneumatic ceramic ash discharge valve |
| CN103403416A (en) * | 2011-03-10 | 2013-11-20 | 株式会社爱发科 | Gate valve and slide valve |
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| CN106969160A (en) | 2017-07-21 |
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