CN205781138U - Unmanned plane medicine-chest and the valve for unmanned plane medicine-chest - Google Patents
Unmanned plane medicine-chest and the valve for unmanned plane medicine-chest Download PDFInfo
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- CN205781138U CN205781138U CN201620498451.7U CN201620498451U CN205781138U CN 205781138 U CN205781138 U CN 205781138U CN 201620498451 U CN201620498451 U CN 201620498451U CN 205781138 U CN205781138 U CN 205781138U
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Abstract
The utility model discloses a kind of valve for unmanned plane medicine-chest and have its unmanned plane medicine-chest, valve includes: be suitable to the valve body being connected with unmanned plane medicine-chest, limits valve pocket in valve body；Water fender, water fender is connected with valve body and is located in valve pocket, so that valve pocket to be divided into uuper valve chamber and lower valve chamber, water fender are communicated with the through hole of uuper valve chamber and lower valve chamber, uuper valve chamber has the outward opening being suitable to be in communication with the outside, and lower valve chamber has the inner opening being suitable to connect with the inside of unmanned plane machine medicine-chest；Spool, spool is located in uuper valve chamber, and spool is provided with normally closed passage, and normally closed passage is blocked by water fender in the axial direction of valve pocket and opens when the draught head of uuper valve chamber with lower valve chamber reaches predetermined pressure difference.The air pressure balance inside and outside unmanned plane medicine-chest can be kept according to the valve for unmanned plane medicine-chest of the present utility model, prevent medicinal liquid from spilling or spill.
Description
Technical field
This utility model relates to agricultural plant protection technical field of operation, more particularly, to a kind of valve for unmanned plane medicine-chest
With the unmanned plane medicine-chest with this valve.
Background technology
Along with the continuous rise of the appropriate scale of agriculture, agricultural unmanned plane is increasingly appearing in agricultural plant protection field of operation in recent years,
Agricultural unmanned plane needs ceaselessly to fill liquid medicine in operation, and quickly giving unmanned plane medicine-chest filling liquid medicine is that agricultural plant protection is unmanned
The important leverage that engine efficiency improves, the appearance of perfusion equipment substantially increases the injection efficiency of agricultural unmanned plane.
Unmanned plane medicine-chest typically has three openings, first injection being in medicine-chest top or washing lid mouth, is generally used for filling
Injecting medical liquid or washing medicine-chest；Second air-vent being in medicine-chest top, typically when operation, along with the medicine in casing
Liquid gradually decreases, and can produce negative pressure in casing, needs to open this pore and keeps the air pressure balance inside and outside case；3rd is in
Medicine outlet bottom medicine-chest, exports medicinal liquid and exports from this mouth during general job.
The generally circular through hole of air-vent in correlation technique, this design generally there are Railway Project: one is the medicine when operation
Case rocks with aircraft, and the medicinal liquid in case is likely from air-vent spills case；Two is to limit medicine-chest, makes medicine-chest inconvenient
Unload from unmanned plane and carry out perfusion or transport, if individually transporting after perfusion or be arranged on unmanned plane, in casing
Medicinal liquid easily spills or spills.
Employing the medicine outlet perfusion bottom medicine-chest of the perfusion equipment in some correlation techniques, such perfusion mode is to current one
As unmanned plane medicine-chest for there are two problems: one is that the medicinal liquid that originally air in medicine-chest can be filled extrudes, and makes medicine-chest
Internal pressure increases, if not in time or capacity is inadequate in aerofluxus, casing tympanites can be caused to burst；Two be perfusion machine to
After medicine-chest has filled medicine, case inner liquid medicine is easily spilt when transporting and be installed to unmanned plane by medicine-chest.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
One purpose of type proposes a kind of valve for unmanned plane medicine-chest, and described valve is calmed the anger in can keeping unmanned plane medicine-chest
Pressure balanced and prevent medicinal liquid from spilling.
Another purpose of the present utility model is to propose a kind of unmanned plane medicine-chest with above-mentioned valve.
According to the valve for unmanned plane medicine-chest of this utility model first aspect, including: be suitable to and described unmanned plane medicine-chest phase
Valve body even, limits valve pocket in described valve body；Water fender, described water fender is connected with described valve body and is located in described valve pocket,
So that described valve pocket to be divided into uuper valve chamber and lower valve chamber, described water fender are communicated with the through hole of described uuper valve chamber and described lower valve chamber,
Described uuper valve chamber has the outward opening being suitable to be in communication with the outside, described lower valve chamber have be suitable to in described unmanned plane machine medicine-chest
The inner opening of portion's connection；Spool, described spool is located in described uuper valve chamber, and described spool is provided with normally closed passage, described often
Close passage blocked by described water fender in the axial direction of described valve pocket and reach at the draught head of described uuper valve chamber with described lower valve chamber
Open during to predetermined pressure difference.
The air pressure balance inside and outside unmanned plane medicine-chest can be kept according to the valve for unmanned plane medicine-chest of the present utility model, prevent
Medicinal liquid spills or spills.
It addition, can also have the technical characteristic added as follows according to valve of the present utility model:
According to embodiments more of the present utility model, described spool includes: core face, and described core face is provided with at least two and intersects
Elastomeric slit, described at least two elastomeric slit cooperatively forms described normally closed passage；Annular connecting portion, described annular is even
The portion of connecing is located at the periphery in described core face along upper and be connected with described valve body.
According to embodiments more of the present utility model, described core face is formed towards the arcwall face that the direction of described water fender highlights,
Described at least two elastomeric slit has a cross point, and described cross point is divided each described elastomeric slit equally and is positioned at described arc
The center in shape face.
According to embodiments more of the present utility model, described water fender includes: plate body, and described plate body is normally closed logical with described
Pore is coaxially disposed and is suitable to block described normally closed passage, the outer peripheral face of described plate body and the inner peripheral surface interval of described valve pocket
Open form becomes described through hole；Multiple connection legs, on the spaced apart outer peripheral face being located at described plate body of multiple described connection legs,
Being connected with the inner peripheral surface of described valve body away from one end of described plate body of each described connection leg.
According to embodiments more of the present utility model, described plate body is formed as circular slab, and the radial dimension of described plate body is big
In the maximum incision length equal to described elastomeric slit.
According to embodiments more of the present utility model, described valve body includes: lower valve body, defines along its axle in described lower valve body
To the valve pocket extended, described water fender is connected with described lower valve body, and described lower valve body is provided with described inner opening and first axial
Limiting section；Upper valve body, described upper valve body is set in the upper end of described lower valve body, described upper valve body be provided with described outward opening with
And the second axial limiting portion coordinated with described first axial limiting portion.
According in embodiments more of the present utility model, described first axial limiting portion and described second axial limiting portion wherein
One other in which be formed as in limited impression, described first axial limiting portion and described second axial limiting portion is formed as
Spacing preiection.
According to embodiments more of the present utility model, the outer peripheral face of the bottom of described lower valve body is provided with and is suitable to and described unmanned plane
The external screw thread that medicine-chest is threaded.
According to embodiments more of the present utility model, the upper end of described lower valve body is provided with annular mounting groove, the periphery of described spool
In edge is plugged in described annular mounting groove and only support with described upper valve body.
According to embodiments more of the present utility model, described outward opening includes that the center being located on the upper surface of described upper valve body is opened
Mouthful, described central opening is coaxially disposed with described upper valve body.
According to embodiments more of the present utility model, described upper valve body includes: the collar, and the described collar is set in described lower valve body
Going up and the inner peripheral surface of the described collar is provided with described second axial limiting portion, the upper edge of the described collar is provided with the most inside
The in-flanges extended and only support with described lower valve body；Annular slab, described annular slab is located on the inner edge of described in-flanges and edge
The axial of the described collar extends to the direction away from the described collar, and described outward opening also includes the sidepiece being located on described annular slab
Opening；Cover plate, described cover plate is connected on the upper edge of described annular slab, and described cover plate is provided with described central opening.
According to embodiments more of the present utility model, in the circumference along described upper valve body, the dual-side edge of described side mouth
On be respectively equipped with reinforcement, each described reinforcement is connected with described annular slab and described in-flanges.
According to embodiments more of the present utility model, also including: valve gap, described valve gap is sheathed and is connected on described lower valve body
And threaded with described unmanned plane medicine-chest, described lower valve body is provided with sealing ring with the junction of described valve gap.
According to embodiments more of the present utility model, also including: fixing nut, described valve gap is set on described lower valve body,
The outer peripheral face of described lower valve body is provided with stop lug, and described sealing ring is only against between described stop lug and described valve gap,
Described fixing nut is connected with described lower valve body screw thread and backstop is in described valve gap lower end.
Unmanned plane medicine-chest according to this utility model second aspect, including according to this utility model first aspect for unmanned plane
The valve of medicine-chest.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the valve for unmanned plane medicine-chest according to this utility model embodiment；
Fig. 2 is the structural representation of another angle of the valve for unmanned plane medicine-chest according to this utility model embodiment；
Fig. 3 is the decomposition texture schematic diagram of the valve for unmanned plane medicine-chest according to this utility model embodiment；
Fig. 4 is the top view of the valve for unmanned plane medicine-chest according to this utility model embodiment；
Fig. 5 is the sectional view in A-A direction along the line in Fig. 4；
Fig. 6 is the structural representation of the lower valve body of the valve for unmanned plane medicine-chest according to this utility model embodiment；
Fig. 7 is the structural representation of the upper valve body of the valve for unmanned plane medicine-chest according to this utility model embodiment；
Fig. 8 is that the structure of another angle of the upper valve body of the valve for unmanned plane medicine-chest according to this utility model embodiment is shown
It is intended to；
Fig. 9 is the structural representation of the spool of the valve for unmanned plane medicine-chest according to this utility model embodiment；
Figure 10 is the structural representation of another angle of the spool of the valve for unmanned plane medicine-chest according to this utility model embodiment
Figure；
Figure 11 is that the valve for unmanned plane medicine-chest according to this utility model embodiment is with the structural representation of valve gap；
Figure 12 is the sectional view of structure shown in Figure 11；
Figure 13 is the structural representation of the valve gap of the valve for unmanned plane medicine-chest according to embodiments of the present invention.
Reference:
Valve 100；
Valve body 10；Valve pocket 110；Uuper valve chamber 101；Lower valve chamber 102；Outward opening 103；Central opening 1031；Side mouth
1032；Inner opening 104；First axial limiting portion 105；Second axial limiting portion 106；External screw thread 107；Stop lug 108；
Annular groove 109 is installed；Upper valve body 11；The collar 111；In-flanges 1111；Reinforcement 1112；Annular slab 112；Cover plate 113；
Lower valve body 12；Annular base plate 121；Upper valve section 122；Lower valve section 123；
Water fender 20；Through hole 201；Plate body 21；Connect leg 22；
Spool 30；Normally closed passage 310；Elastomeric slit 301；Core face 31；Annular connecting portion 32；
Valve gap 40；Annular wall 41；Roof 42；Holding tank 401；
Sealing ring 50；
Fixing nut 60.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to
The embodiment that accompanying drawing describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
Describe the valve 100 for unmanned plane medicine-chest according to this utility model embodiment below in conjunction with the accompanying drawings in detail, wherein, attached
Above-below direction shown in figure is as the criterion with the usual use state of valve 100, the most usually vertical direction of valve 100,
Certainly, as required, axially slightly can also tilting relative to vertical direction of valve 100, this is to those skilled in the art
For will be understood by.
Referring to figs. 1 through shown in Figure 12, valve body 10, water fender can be included according to the valve 100 of this utility model embodiment
20 and spool 30, valve body 10 can be connected with unmanned plane medicine-chest.
Specifically, can limit valve pocket 110 in valve body 10, water fender 20 can be connected with valve body 10 and be located at valve pocket
In 110, thus valve pocket 110 is divided into uuper valve chamber 101 and lower valve chamber 102.Water fender 20 be communicated with uuper valve chamber 101 with
The through hole 201 of lower valve chamber 102, uuper valve chamber 101 has the outward opening 103 being suitable to be in communication with the outside, and lower valve chamber 102 has suitable
In the inner opening 104 connected with the inside of unmanned plane machine medicine-chest.Spool 30 is located in uuper valve chamber 101, and spool 30 is provided with often
Close passage 310, normally closed passage 310 blocked by water fender 20 in the axial direction of valve pocket 110 and uuper valve chamber 101 with under
The draught head of valve pocket 102 reaches to open during predetermined pressure difference.
In other words, it is provided with valve pocket 110 in valve body 10, in water fender 20 is located at valve pocket 110 and valve pocket 110 is separated into position
Lower valve chamber below water fender 20 102 and be positioned at the uuper valve chamber 101 above water fender 20.Water fender 20 is provided with through hole
201, the through water fender of through hole 201 20, uuper valve chamber 101 can be connected by through hole 201 with lower valve chamber 102.Valve body 10
Being provided with outward opening 103 and inner opening 104, outward opening 103 turns on uuper valve chamber 101, inner opening 104 and lower valve chamber 102
Conducting, when valve 100 is arranged on unmanned plane medicine-chest, inner opening 104 can connect with the inside of unmanned plane medicine-chest, this
Time, the air pressure of lower valve chamber 102 is equal to ambient pressure equal to the air pressure inside of unmanned plane medicine-chest, the air pressure of uuper valve chamber 101.
Spool 30 is located in uuper valve chamber 101, and spool 30 is provided with normally closed passage 310, and normally closed passage 310 is at normal shape
It is closed under state, when the draught head of uuper valve chamber 101 and lower valve chamber 102 reaches predetermined pressure difference, normally closed passage 310
Can open, make the air-flow intercommunication of uuper valve chamber 101 and lower valve chamber 102, thus discharge pressure, make uuper valve chamber 101 and lower valve
The air pressure in chamber 102 reaches balance.
Specifically, when the air pressure of uuper valve chamber 101 exceedes the air pressure of lower valve chamber 102 to predetermined pressure difference, uuper valve chamber 101
Gas can enter in lower valve chamber 102 by normally closed passage 310, and valve 100 can keep inside and outside by inside air inlet
Air pressure balance；When the air pressure of lower valve chamber 102 exceedes the air pressure predetermined pressure difference of uuper valve chamber 101, the gas of lower valve chamber 102 can
To enter in uuper valve chamber 101 by normally closed passage 310, valve 100 can keep inner and outer air pressure to put down by outside aerofluxus
Weighing apparatus.Thus, it is possible to effectively keep the pressure equilibrium inside and outside unmanned plane medicine-chest.Wherein, those skilled in the art can be according to need
The concrete numerical value of predetermined pressure difference to be set, when needing valve 100 to have higher sensitivity, can arrange less making a reservation for
Pressure reduction；Otherwise, then can predetermined pressure difference be arranged is somewhat larger.
Further, in the axial direction of valve pocket 110, water fender 20 may be located at below normally closed passage 310 and by normally closed
Passage 310 blocks.Thus, first the medicinal liquid in unmanned plane medicine-chest can be patted on water fender 20, thus avoids normally closed
Passage 310 produces percussion, makes normally closed passage 310 will not be opened by the impact of medicinal liquid, still may be at
Closed mode, thus effectively prevent medicinal liquid from flowing out from normally closed passage 310.
According to the valve 100 for unmanned plane medicine-chest of this utility model embodiment, have normally closed by setting in valve body 10
The spool 30 of passage 310 and water fender 20, and make water fender 20 block normally closed passage 310 so that normally closed ventilation
Hole 310 is possible not only to realize ventilatory function, can also effectively prevent medicinal liquid from flowing out simultaneously so that medicine-chest operation export medicinal liquid with
And perfusion equipment to medicine-chest perfusion time, this valve 100 can inspiration or air-out automatically, keep unmanned plane medicine-chest inside and outside
Pressure equilibrium, can solve the unmanned plane medicine-chest filling medicinal liquid when operation, independent transportation loading and unloading or when toppling over simultaneously, nobody
Medicinal liquid in machine medicine-chest will not spill at valve 100 or spill, and can increase perfusion efficiency simultaneously, improves plant protection unmanned plane
Work efficiency.
Structure for spool 30 does not do particular restriction, and alternatively, as shown in Figure 9 and Figure 10, spool 30 can include core
Face 31 and annular connecting portion 23, annular connecting portion 23 can be located at the periphery in core face 31 along upper and with valve body 10
It is connected.Can be provided with at least two elastomeric slit 301 on core face 31, described at least two elastomeric slit 301 is arranged in a crossed manner,
At least two elastomeric slit 301 cooperatively forms normally closed passage 310.Elastomeric slit 301 is in closed form in normal state
State, makes normally closed passage 310 to close, and meanwhile, core face 31 at least has elasticity at elastomeric slit 301, and stress can
To deform, making elastomeric slit 301 to open, normally closed passage 310 can be opened, wherein, and normally closed passage 310
The degree opened depends on the stress size in core face 31.When core face 31 does not stresses, elastomeric slit 301 can close automatically,
So that normally closed passage 310 returns to closed mode.
Thus, when uuper valve chamber 101 is identical with lower valve chamber 102 air pressure or draught head is the least, core face 31 stress hardly,
Can maintain the original state, when uuper valve chamber 101 is different with the air pressure of lower valve chamber 102, core face 31 can be by this draught head effect
Being deformed, so that elastomeric slit 301 can be opened, normally closed passage 310 can be opened, and gas can be discharged or flow
Enter, make air pressure be adjusted.
As it is shown in figure 5, core face 31 can be formed towards the arcwall face that the direction of water fender 20 highlights.When elastomeric slit 301
Including time multiple, multiple elastomeric slit 301 have a cross point, and cross point is divided each elastomeric slit 301 equally and is positioned at
The center of arcwall face.In other words, core face 31 can be formed as arcwall face, and arcwall face is towards water fender 20 projection, all of
Elastomeric slit 301 intersects to form a cross point, and this cross point is coaxially disposed with arcwall face, and is positioned at each elastomeric slit
The midpoint of 301.Thus, normally closed passage 310 can be formed at the center in core face 31, and each elastomeric slit 301
Deformation is more uniform, makes the opening and closing of normally closed passage 310 effective.
As shown in Figure 9 and Figure 10, in concrete examples more of the present utility model, elastomeric slit 301 includes two, two
Elastomeric slit 301 is arranged in a crossed manner and the most in vertical state.Thus, not only convenient manufacture, and can ensure that core face 31
Deformation is uniformly and restoration is good.
As shown in Figure 6, according to an embodiment of the present utility model, water fender 20 can include plate body 21 and multiple company
Connect leg 22.Plate body 21 can be coaxially disposed and be suitable to block normally closed passage 310 with normally closed passage 310, and plate is originally
The outer peripheral face of body 21 can formation through hole 201 spaced apart with the inner peripheral surface of valve pocket 110.In other words, the axis of plate body 21
Through multiple elastomeric slit 301 cross points, and in the axial direction of valve 100, plate body 21 can be from below by normally closed logical
Pore 310 shelters from, and the radial dimension of plate body 21 is less than the radial dimension of valve pocket 110, so that plate body 21 and valve
Spaced apart connection uuper valve chamber 101 and the through hole 201 of lower valve chamber 102 can be formed between the inner peripheral surface in chamber 110.Thus, gear
Water plate 20 not only has preferable dash effect, and ventilatory effect is good.
Multiple connection legs 22 can spaced apart be located on the outer peripheral face of plate body 21, each connection leg 22 away from plate this
One end of body 21 can be connected with the inner peripheral surface of valve body 10.Thus, plate body 21 can by multiple connection legs 22 with
Valve body 10 realizes connecting, and can ensure that preferable ventilatory effect simultaneously.Preferably, multiple connection legs 22 can be along plate
The circumference of body 21 is evenly provided on the periphery of plate body 21 along upper, and each connection leg 22 can be along plate body 21
Radially extend setting.
Alternatively, plate body 21 can be formed as circular slab, and the radial dimension of plate body 21 can be more than or equal to elastomeric slit
The maximum incision length of 301.In other words, plate body 21 can be provided with multiple elastomeric slit 301, multiple elastomeric slit 301
Incision length can be identical, it is also possible to different.Wherein, the radial dimension of plate body 21 can be cut equal to or more than maximum
Mouth length.Thus, normally closed passage 310 can be played preferable occlusion effect by plate body 21, effectively prevents from leaking.
Referring to figs. 1 through shown in Fig. 8, valve body 10 can include lower valve body 12 and upper valve body 11.Can limit in lower valve body 12
Having the axially extended valve pocket 110 along lower valve body 12, water fender 20 can be connected with lower valve body 12, preferably, and dash
Plate 20 can be formed as one part with lower valve body 12.Inner opening 104 and the first axial limiting portion can be provided with on lower valve body 12
105.Upper valve body 11 can be set in the upper end of lower valve body 12, and upper valve body 11 can be provided with outward opening 103 and second
Axial limiting portion 106, the first axial limiting portion 105 can coordinate with the second axial limiting portion 106 and be connected, thus to lower valve
Body 12 and upper valve body 11 carry out axial limiting, improve lower valve body 12 and the connectivity robustness of upper valve body 11 and accuracy, keep away
Exempt from lower valve body 12 and upper valve body 11 the effect of draught head issue estranged from, valve 100 uses reliably.
Concrete structure for the first axial limiting portion 105 and the second axial limiting portion 106 does not do particular restriction.Alternatively,
According to embodiments more of the present utility model, one of them in the first axial limiting portion 105 and the second axial limiting portion 106
Can be formed as limited impression, another in the first axial limiting portion 105 and the second axial limiting portion 106 is formed as spacing
Protruding.Spacing preiection is good with limited impression conformability, and not only assembling is easily, and position-limiting action is good.Such as, such as Fig. 5 extremely
Shown in Fig. 7, the first axial limiting portion 105 can be formed as spacing preiection, and the second axial limiting portion 106 can be formed and be limited
Position groove, spacing preiection and limited impression are respectively formed as annular.Thus can play preferable position-limiting action, make upper valve body
11 and lower valve body 12 connect stronger.
With reference to shown in Fig. 5 and Fig. 6, the upper end of lower valve body 12 can be provided with annular mounting groove 109, and the edge, periphery of spool 30 can
In being plugged in annular mounting groove 109 and only to support with upper valve body 11.Thus, it is possible to make the convenient installation of spool 30, simultaneously
By lower valve body 12 and upper valve body 11, spool 30 can be fixed, good fixing effect.
According to embodiments more of the present utility model, outward opening 103 can include the center being located on the upper surface of upper valve body 11
Opening 1031, central opening 1031 can be coaxially disposed with upper valve body 11, referring to figs. 1 through shown in Figure 10.Thus, no
Only convenient manufacture and gas fluidity is good.
Referring to figs. 1 through shown in Fig. 8, upper valve body 11 can include the collar 111, annular slab 112 and cover plate 113.The collar 111
Can be set on lower valve body 12, the inner peripheral surface of the collar 111 can be provided with the second axial limiting portion 106, the collar 111
The in-flanges 1111 extended radially inwardly along the collar 111 can be provided with, when upper valve body 11 is arranged on lower valve body on upper edge
Time on 12, in-flanges 1111 only can support with lower valve body 12.Annular slab 112 can be located at the inner edge of in-flanges 1111
On, and annular slab 112 can extend along the axial of the collar 111 to the direction away from the collar 111, i.e. annular slab 112 with
In-flanges 1111 is vertical.Outward opening 103 can also include the side mouth 1032 being located on annular slab 112.Cover plate 113
Can be connected on the upper edge of annular slab 112, cover plate 113 is provided with central opening 1031.Thus, it is possible to pass through center
Opening 1031 and side mouth 1032 air inlet simultaneously or give vent to anger, enters Gas Escaping Property more preferable.
According to embodiments more of the present utility model, side mouth 1032 can include multiple, and multiple side mouth 1032 can
It is evenly provided on annular slab 112 with the circumference of annularly plate 112.As shown in Figures 1 to 4, side mouth 1032 can
Thinking four, four side mouth 1032 can be uniformly arranged on annular slab 112.Thus, it is possible to ensure preferable air inlet
With effect of giving vent to anger.It addition, the shape of central opening 1031 and side mouth 1032 can be configured as required, such as,
Can be circle or polygon etc..
Referring to figs. 1 through shown in Fig. 5 and Fig. 7 and Fig. 8, in the circumference along upper valve body 11, the two of side mouth 1032
Side is along the upper reinforcement 1112 that can be provided with respectively, and each reinforcement 1112 can be with annular slab 112 and in-flanges 1111 phase
Even.Thus, reinforcement 1112 can play the effect of the intensity strengthening upper valve body 11, makes upper valve body 11 be hardly damaged, with
Time preparation cost relatively low.
As optional embodiment, as is illustrated by figs. 11 and 12, also may be used according to the valve 100 of this utility model embodiment
To include valve gap 40, valve gap 40 can be sheathed and be connected on lower valve body 12, and the junction of lower valve body 12 and valve gap 40 can
To be provided with sealing ring 50.Thus, not only make profile more attractive, and valve 100 can be made to be protected, be not susceptible to damage
Bad.
Figure 12 and Figure 13 shows the valve gap 40 of the valve 100 according to a kind of embodiment of this utility model.Valve gap 40 substantially shape
Becoming cylindrical and include annular wall 41 and roof 42, the middle part concave downward of roof 42 forms holding tank 401, valve body 10
Top can be arranged in this holding tank 401, and spaced apart with the inner circumferential wall of holding tank 401, to realize preferably
Protective effect.The outer peripheral face of annular wall 41 can be provided with multiple circumferentially spaced along it and along its axially extended groove.Thus,
Not only good looking appearance, and it is easy to rotation process.
It is understood that the connected mode of valve gap 40 and lower valve body 12 can have multiple, alternatively, new according to this practicality
The valve 100 of type embodiment can also include fixing nut 60, and valve gap 40 can be set on lower valve body 12, lower valve body 12
Outer peripheral face on can be provided with stop lug 108, sealing ring 50 can only be against between stop lug 108 and valve gap 40,
Fixing nut 60 can be threadeded with the external screw thread 107 of lower valve body 12 and backstop is in valve gap 40 lower end.Thus, it is possible to
Valve gap 40 convenient for assembly and lower valve body 12, and connect stronger, good airproof performance, can effectively prevent from leaking and leaking gas.
When assembling valve gap 40 with lower valve body 12, first sealing ring 50 can be overlapped from below and be set on lower valve body 12, so
After valve gap 40 is set in from below lower valve body 12 again, adjust the position of sealing ring 50 and valve gap 40, make stop lug 108
Sealing ring 50 can be clamped with valve gap 40, more fixing nut 60 is tightened on lower valve body 12 from below, and only
To valve gap 40, so that valve gap 40 is constituted backstop, it is achieved valve gap 40 fixing on lower valve body 12.
As shown in Figure 5 and Figure 6, according to embodiments more of the present utility model, lower valve body 12 can include annular base plate 121,
Upper valve section 122 and lower valve section 123.Can define through hole 201 in annular base plate 121, water fender 20 can be located at and pass through
In through hole 201 and it is connected with annular base plate 121.Upper valve section 122 can be located at the upper end of annular base plate 121, upper valve section
Can define uuper valve chamber 101 in 122, upper valve body 11 can be set in valve section 122, the outer peripheral face of upper valve section 122
On can be provided with the first axial limiting portion 105, the upper end of upper valve section 122 can be provided with installation annular groove 109, the ring of spool 30
The periphery of shape connecting portion 23 is along being arranged in installation annular groove 109.As it is shown in figure 5, annular connecting portion 23 and upper valve body
11 faces mutually only supported can be formed as inclined-plane respectively.Thus, it is possible to improve the reliability that spool 30 is connected with valve body 10,
Spool 30 is made to install more firm.
Lower valve section 123 can be located at the lower end of annular base plate 121, can define lower valve chamber 102 and interior in lower valve section 123
Opening 104, alternatively, formation inner opening 104 can be opened wide in the lower end of lower valve chamber 102.Alternatively, outside lower valve section 123
External screw thread 107 can be provided with on side face, when being not provided with valve gap 40 on valve 100, external screw thread 107 and nothing can be made
Man-machine medicine-chest is threaded, makes valve 100 can realize being connected with unmanned plane medicine-chest.As shown in Figure 11 to Figure 13, root is worked as
When including valve gap 40 according to the valve 100 of the embodiment of the present invention, the inner peripheral surface of the annular wall 41 of valve gap 40 can arrange interior spiral shell
Stricture of vagina, can make this female thread threaded with unmanned plane medicine-chest, so that valve 100 can be by valve gap 40 and unmanned plane medicine
Case realizes connecting, and attended operation is convenient.
The outer peripheral face on the top of annular base plate 121 can extend outwardly beyond the outer peripheral face of lower valve section 123, thus forms backstop
Flange 108, the outer peripheral face of the bottom of annular base plate 121 can arrange closure gasket groove, and sealing ring 50 can be arranged on sealing
In annular groove, to ensure preferably to assemble effect.Alternatively, the edge, periphery of annular base plate 121 can be formed as polygonized structure,
Such as, as shown in Figures 1 to 6, the periphery of annular base plate 121 along can in regular hexagon, and orthohexagonal each
The rounded transition in junction of side, each dihedral the most orthohexagonal becomes fillet, rather than wedge angle, safety in utilization is good.
In detailed description of the invention more of the present utility model, lower valve body 12 is formed as one part, upper valve body with water fender 20
11 are formed as one part, and spool 30 is formed as one part.The axial length of lower valve body 12 can be more than the axle of upper valve body 11
To length, spool 30 uses the elastomeric material that can deform or flexible material to prepare, such as, and elastomeric material or silica gel material etc.
Make.
Unmanned plane medicine-chest according to this utility model embodiment can include according to this utility model embodiment for unmanned plane medicine
The valve 100 of case, at the venthole of the casing that valve 100 may be mounted at unmanned plane medicine-chest, with play preferably ventilation with
And the effect of preventing water leakage.
Other of unmanned plane medicine-chest according to this utility model embodiment constitute and operate the ordinary skill for this area
It is knowable for personnel, is not described in detail at this.
In description of the present utility model, it is to be understood that term " " center ", " on ", D score, "front", "rear", " perpendicular
Directly ", " level ", " top ", " end ", " interior ", " outward ", " axially ", " radially ", " circumferential " etc. instruction orientation or position
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of description this utility model and simplifies description, and not
It is to indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, the most not
It is understood that as to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, example
Such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can
Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.
For the ordinary skill in the art, concrete in this utility model of above-mentioned term can be understood as the case may be
Implication.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And,
Fisrt feature second feature " on ", " top " and " above " can be that fisrt feature just goes up in second feature
Side or oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature is at second feature " it
Under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " concrete example "
Deng description means to combine this embodiment or example describes specific features, structure, material or feature be contained in this practicality newly
In at least one embodiment of type or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to
Identical embodiment or example.And, the specific features of description, structure, material or feature can be with in office one or more
Embodiment or example combine in an appropriate manner.Additionally, in the case of the most conflicting, those skilled in the art can
It is combined with the feature of the different embodiments described in this specification or example and different embodiment or example and combines.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.
Claims (15)
1. the valve for unmanned plane medicine-chest, it is characterised in that including:
Be suitable to the valve body being connected with described unmanned plane medicine-chest, in described valve body, limit valve pocket；
Water fender, described water fender is connected with described valve body and is located in described valve pocket, with described valve pocket is divided into uuper valve chamber and
Lower valve chamber, described water fender is communicated with the through hole of described uuper valve chamber and described lower valve chamber, described uuper valve chamber have be suitable to outward
The outward opening of boundary's connection, described lower valve chamber has the inner opening being suitable to connect with the inside of described unmanned plane machine medicine-chest；
Spool, described spool is located in described uuper valve chamber, and described spool is provided with normally closed passage, and described normally closed passage is in institute
State valve pocket axially on blocked and when the draught head of described uuper valve chamber Yu described lower valve chamber reaches predetermined pressure difference by described water fender
Open.
Valve the most according to claim 1, it is characterised in that described spool includes:
Core face, described core face is provided with the elastomeric slit that at least two is intersected, and described at least two elastomeric slit cooperatively forms institute
State normally closed passage；
Annular connecting portion, described annular connecting portion is located at the periphery in described core face along upper and be connected with described valve body.
Valve the most according to claim 2, it is characterised in that described core face is formed towards the direction of described water fender
Prominent arcwall face, described at least two elastomeric slit has a cross point, and described cross point is divided each described elasticity equally and cut
Mouthful and be positioned at the center of described arcwall face.
Valve the most according to claim 3, it is characterised in that described water fender includes:
Plate body, described plate body and described normally closed passage are coaxially disposed and are suitable to block described normally closed passage, described plate
The outer peripheral face of body formation described through hole spaced apart with the inner peripheral surface of described valve pocket；
Multiple connection legs, on the spaced apart outer peripheral face being located at described plate body of multiple described connection legs, each described connection
Being connected with the inner peripheral surface of described valve body away from one end of described plate body of leg.
Valve the most according to claim 4, it is characterised in that described plate body is formed as circular slab, described plate body
Radial dimension more than or equal to the maximum incision length of described elastomeric slit.
6. according to the valve according to any one of claim 1-5, it is characterised in that described valve body includes:
Lower valve body, defines along its axially extended valve pocket in described lower valve body, described water fender is connected with described lower valve body,
Described lower valve body is provided with described inner opening and the first axial limiting portion；
Upper valve body, described upper valve body is set in the upper end of described lower valve body, described upper valve body be provided with described outward opening and with
The second axial limiting portion that described first axial limiting portion coordinates.
Valve the most according to claim 6, it is characterised in that described first axial limiting portion and described second axially limits
One of them in the portion of position is formed as in limited impression, described first axial limiting portion and described second axial limiting portion wherein
Another is formed as spacing preiection.
Valve the most according to claim 6, it is characterised in that the outer peripheral face of the bottom of described lower valve body is provided with and is suitable to
The external screw thread threadeded with described unmanned plane medicine-chest.
Valve the most according to claim 6, it is characterised in that the upper end of described lower valve body is provided with annular mounting groove, institute
State the periphery of spool along in being plugged in described annular mounting groove and only supporting with described upper valve body.
Valve the most according to claim 6, it is characterised in that described outward opening includes being located at the upper of described upper valve body
Central opening on end face, described central opening is coaxially disposed with described upper valve body.
11. valves according to claim 10, it is characterised in that described upper valve body includes:
The collar, the described collar is set on described lower valve body and the inner peripheral surface of the described collar is provided with described second axial limiting portion,
The upper edge of the described collar is provided with the in-flanges radially extending internally and only supporting with described lower valve body；
Annular slab, described annular slab is located on the inner edge of described in-flanges and axial to away from the described collar along the described collar
Direction extend, described outward opening also includes the side mouth being located on described annular slab；
Cover plate, described cover plate is connected on the upper edge of described annular slab, and described cover plate is provided with described central opening.
12. valves according to claim 11, it is characterised in that in the circumference along described upper valve body, described sidepiece
Being respectively equipped with reinforcement on the dual-side edge of opening, each described reinforcement is connected with described annular slab and described in-flanges.
13. valves according to claim 6, it is characterised in that also include: valve gap, described valve gap is sheathed and connects
Threadeding on described lower valve body and with described unmanned plane medicine-chest, described lower valve body is provided with sealing with the junction of described valve gap
Circle.
14. valves according to claim 13, it is characterised in that also include: fixing nut, described valve gap is set in
On described lower valve body, the outer peripheral face of described lower valve body is provided with stop lug, described sealing ring be only against described stop lug with
Between described valve gap, described fixing nut is connected with described lower valve body screw thread and backstop is in described valve gap lower end.
15. 1 kinds of unmanned plane medicine-chests, it is characterised in that include according to according to any one of claim 1-14 for unmanned
The valve of machine medicine-chest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620498451.7U CN205781138U (en) | 2016-05-26 | 2016-05-26 | Unmanned plane medicine-chest and the valve for unmanned plane medicine-chest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620498451.7U CN205781138U (en) | 2016-05-26 | 2016-05-26 | Unmanned plane medicine-chest and the valve for unmanned plane medicine-chest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781138U true CN205781138U (en) | 2016-12-07 |
Family
ID=57407436
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620498451.7U Active CN205781138U (en) | 2016-05-26 | 2016-05-26 | Unmanned plane medicine-chest and the valve for unmanned plane medicine-chest |
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| CN (1) | CN205781138U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107380450A (en) * | 2017-08-29 | 2017-11-24 | 成都天麒科技有限公司 | A kind of unmanned plane sprinkling system |
| CN108013014A (en) * | 2017-12-06 | 2018-05-11 | 上海胜战科技发展有限公司 | Variable displacement type explosive barrel for plant protection unmanned plane |
| CN108036094A (en) * | 2017-12-06 | 2018-05-15 | 上海胜战科技发展有限公司 | Medicine pot self-closing liquid valve and its variable displacement type plant protection unmanned plane |
| CN109404275A (en) * | 2017-08-16 | 2019-03-01 | 广州极飞科技有限公司 | Pump assembly, pump, sprinkling system and unmanned plane |
| CN115325224A (en) * | 2022-07-19 | 2022-11-11 | 深圳市飞荣达科技股份有限公司 | Bidirectional ventilation isolation valve |
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2016
- 2016-05-26 CN CN201620498451.7U patent/CN205781138U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404275A (en) * | 2017-08-16 | 2019-03-01 | 广州极飞科技有限公司 | Pump assembly, pump, sprinkling system and unmanned plane |
| CN107380450A (en) * | 2017-08-29 | 2017-11-24 | 成都天麒科技有限公司 | A kind of unmanned plane sprinkling system |
| CN108013014A (en) * | 2017-12-06 | 2018-05-11 | 上海胜战科技发展有限公司 | Variable displacement type explosive barrel for plant protection unmanned plane |
| CN108036094A (en) * | 2017-12-06 | 2018-05-15 | 上海胜战科技发展有限公司 | Medicine pot self-closing liquid valve and its variable displacement type plant protection unmanned plane |
| CN108036094B (en) * | 2017-12-06 | 2019-09-17 | 上海胜战科技发展有限公司 | Medicine pot self-closing liquid valve and its variable displacement type plant protection drone |
| CN108013014B (en) * | 2017-12-06 | 2021-06-01 | 上海胜战科技发展有限公司 | Capacity-variable medicine barrel for plant protection unmanned aerial vehicle |
| CN115325224A (en) * | 2022-07-19 | 2022-11-11 | 深圳市飞荣达科技股份有限公司 | Bidirectional ventilation isolation valve |
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| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address |
Address after: 510000 Block C, 115 Gaopu Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Jifei Technology Co.,Ltd. Address before: 510000 3a01, No.1 Sicheng Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Xaircraft Technology Co.,Ltd. |