CN108082440A - A kind of combined type host hatchcover - Google Patents
A kind of combined type host hatchcover Download PDFInfo
- Publication number
- CN108082440A CN108082440A CN201711110564.0A CN201711110564A CN108082440A CN 108082440 A CN108082440 A CN 108082440A CN 201711110564 A CN201711110564 A CN 201711110564A CN 108082440 A CN108082440 A CN 108082440A
- Authority
- CN
- China
- Prior art keywords
- cover
- hatchcover
- guide pad
- carbon fiber
- follower block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 24
- 239000004917 carbon fiber Substances 0.000 claims abstract description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 43
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000004922 lacquer Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 238000005452 bending Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0025—Mechanical sprayers
- A01M7/0032—Pressure sprayers
- A01M7/0042—Field sprayers, e.g. self-propelled, drawn or tractor-mounted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Pest Control & Pesticides (AREA)
- Aviation & Aerospace Engineering (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of combined type host hatchcover, cover is combined by the first carbon fiber layer, the first high-density glass layer of cloth, the second carbon fiber layer, the second high-density glass layer of cloth and the 3rd carbon fiber layer being sequentially arranged from top to bottom；Lockset is embedded in the center of cover, follower block is fixed in the lower end of the lockset lock core, follower block is " ten " font, four free ends of the follower block correspond to four guide pads respectively, guide pad is fixed on cover bottom surface close to corresponding recess, each guide pad is equipped with a locking bar, and the inner end of locking bar is flexibly connected with the free end of follower block, and the outer end of locking bar passes through the corresponding pilot hole opened up on guide pad.The present invention designs making reasonable, simple in structure, easy to process and assembling, while production cost is effectively reduced, it can be ensured that the reliability of host hatchcover locking on engine space, and it is simple operation, laborsaving；Host hatchcover is made of composite material, light-weight, and structural strength is good, is not easy to be damaged, is substantially prolonged service life.
Description
Technical field
The invention belongs to agricultural machinery technological fields, specifically, more particularly to a kind of vehicle-mounted sprayer combined type host
Hatchcover.
Background technology
At present, the unmanned plane of automatic spraying pesticide generally comprises engine space, cantilever and piggyback pod, the opening at the top of engine space
It is sealed by host hatchcover.Existing host hatchcover generally use two ways is connected with engine space, and one kind is overturning locking type, separately
One kind is fastening locking type.Since the reliability of overturning locking type is poor, fastens locking type host hatchcover and be increasingly becoming master
Stream.
Existing fastening locking type host hatchcover is general to carry out locking by the way of locking bar is stirred, and utilizes the bullet of spring
Power resets locking bar.Since parts are smaller, there are processing and fabricating it is difficult, be difficult to assemble, production cost is high the deficiencies of.In addition,
Using 2 points or 3 lockings, on the one hand multiple locked points all operate simultaneously, add the difficulty of operation；The opposing party
Face, the reliability after locking still have deficiency, it is possible to host hatchcover be caused to loosen or generate abnormal sound.
The content of the invention
In view of the drawbacks described above of the prior art, the technical problems to be solved by the invention are to provide a kind of vehicle-mounted sprayer
Combined type host hatchcover.
Technical scheme is as follows：A kind of vehicle-mounted sprayer combined type host hatchcover has cover, during which is
The spherical structure for entreating high rim low, it is characterised in that：The cover by be sequentially arranged from top to bottom the first carbon fiber layer, first
High-density glass layer of cloth, the second carbon fiber layer, the second high-density glass layer of cloth and the 3rd carbon fiber layer are combined, each adjacent layer
Between by being adhesively fixed；The outer rim of the cover is integrally formed there are four the flange being distributed by even circumferential, and the flange is
Curved arch passes through the rounding off that is recessed between two adjacent ribs；Be embedded in lockset in the center of the cover, the lock core of the lockset to
Down be more than cover in the middle part of bottom surface, the lower end of the lock core fix follower block, the follower block be " ten " font, the follower block
Four free ends correspond to four guide pads respectively, and four recess of four guide pads and cover correspond, the guiding
Block is fixed on cover bottom surface close to corresponding recess, and each guide pad is equipped with a locking bar, the inner end of the locking bar with
The free end flexible connection of follower block, the outer end of locking bar pass through the corresponding pilot hole opened up on guide pad.
Using above technical scheme, host hatchcover moulding is simple, and aesthetics is good, making easy to process.Host hatchcover is by three
Layer carbon fiber and two layers of high-density glass cloth interval setting are combined, not only lighter in weight, can effectively reduce entire pesticide spray
The weight of machine is spilt, and structural strength is good, is not easy to be damaged, substantially prolongs service life.
When engine space cover buckle is mounted in the opening at the top of vehicle-mounted sprayer engine space, by key rotation lock core, make lock core
Follower block is driven to turn over certain angle together, while follower block rotates, four locking bars of driving are under the guiding of respective guide pad
It is protruding simultaneously, until locking bar outer end is stretched into the elastic locker on the inner wall of engine space top, key is extracted at this time, due to four
Root locking bar is stung tightly by corresponding elastic locker, you can is covered tightly engine space and is linked closely at the top of engine space, will not loosen
Or it comes off.The parts of locking host hatchcover of the present invention are few, be on the one hand easily assembled, production cost it is low；On the other hand, using four
Point locking, and being realized by turning key simultaneously, it is simple, convenient, and the good reliability after locking.
It is installed for the ease of follower block, follower block is installed firm, the follower block is set in the lower end of lock core, and by spiral shell
Mother's locking.
In order to facilitate selection and processing, it is ensured that structural strength, the follower block are stainless steel pressing.
The inner end of the locking bar is by being bent to form eave tile, and the eave tile and the free end of follower block mutually mount, in locking bar
Outer end be coated with one layer of rubber.More than structure one side locking bar is connected easily with follower block, and on the other hand, locking bar outer end uses
Rubber is touched with snap lock clamping connection, can effectively reduce very stiff and demanding abrasion.
The guide pad is " L " shape, and the crosspiece of the guide pad and the bottom surface of cover fit fixation, in the vertical section of guide pad
Offer pilot hole.More than structure directing block moulding is simple, making easy to process, and intensity is reliable, will not deform or
Damage.
In order to facilitate selection and processing, assembling, it is ensured that structural strength, the guide pad be stainless steel pressing, the guiding
The bottom surface of block and cover is adhesively fixed.
Preferably, first carbon fiber layer, the second carbon fiber layer and the thickness of the 3rd carbon fiber layer three are equal,
The top surface of first carbon fiber layer is coated with epoxy-based lacquers protective layer.
Preferably, the thickness of the first high-density glass layer of cloth is equal to the thickness of the second high-density glass layer of cloth.
Advantageous effect：Present invention design is reasonable, simple in structure, parts are few, making easy to process and assembling, is effectively dropping
While low production cost, it can be ensured that the reliability of host hatchcover locking on engine space, and it is simple operation, laborsaving；It is main
Cabin cover is made of composite material, light-weight, and structural strength is good, is not easy to be damaged, is substantially prolonged service life.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the layer structure schematic diagram of main cabin cover.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in Figure 1 and Figure 2, the host hatchcover of vehicle-mounted sprayer has cover 1, which is the low ball of central high rim
Face structure.Cover 1 is by the first carbon fiber layer a, the first high-density glass layer of cloth b, the second carbon fiber that are sequentially arranged from top to bottom
Layer c, the second high-density glass layer of cloth d and the 3rd carbon fiber layer e are combined, by being adhesively fixed between each adjacent layer.As
It is preferred that the thickness of the first carbon fiber layer a, the second carbon fiber layer c and the 3rd carbon fiber layer e three are equal, in the first carbon fiber layer a
Top surface be coated with epoxy-based lacquers protective layer；The thickness of first high-density glass layer of cloth b is equal to the thickness of the second high-density glass layer of cloth d
Degree.The specific thickness of above each layer can determine according to actual needs.
As shown in Figure 1, the outer rim of cover 1 is integrally formed there are four the flange 1a being distributed by even circumferential, flange 1a is arch
Arc passes through the 1b rounding ofves that are recessed between two adjacent ribs 1a.Be embedded in lockset in the center of cover 1, the lock core 2 of the lockset to
It is more than the bottom surface at 1 middle part of cover down.Follower block 3 is set in the lower end of lock core 2, and follower block 3 is " ten " font, and is rushed by stainless steel
It presses, which is set in the lower end of lock core 2, by nut check.
As shown in Figure 1, four free ends of follower block 3 correspond to four guide pads 4, and four guide pads 4 and cover 1 respectively
Four recess 1b correspond, guide pad 4 be arranged at 1 bottom surface of cover close to it is corresponding recess 1b at.Guide pad 4 is " L " shape,
Preferably stainless steel pressing, the crosspiece of the guide pad 4 and the bottom surface of cover 1 fit, using being adhesively fixed, guide pad 4
Pilot hole is offered in vertical section.Each guide pad 4 is equipped with a locking bar 5, and the inner end of locking bar 5 is by being bent to form hook
Head, the eave tile and the free end of follower block 3 mutually mount, and form flexible connection, and the outer end of locking bar 5 is opened through correspondence on guide pad 4
If pilot hole, one layer of rubber is coated in the outer end of locking bar 5.
The operation principle of the present invention is as follows：
When engine space cover buckle is mounted in the opening at the top of vehicle-mounted sprayer engine space, by key rotation lock core 2, make lock core
2 drive follower blocks 3 turn over certain angle together, while follower block 3 rotates, drive four drawing in respective guide pad 4 of locking bar 5
It leads down while protruding, until 5 outer end of locking bar is stretched into the elastic locker on the inner wall of engine space top, extracts key at this time,
Since four locking bars 5 are stung tightly by corresponding elastic locker, you can it covers tightly engine space and links closely at the top of engine space, Bu Huifa
It is raw to loosen or come off.When needing unlock, insertion key rotates backward lock core.
The preferred embodiment of the present invention described in detail above.It should be appreciated that those of ordinary skill in the art without
Creative work is needed according to the present invention can to conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of combined type host hatchcover, there is cover (1), which is the low spherical structure of central high rim, feature
It is：The cover (1) by be sequentially arranged from top to bottom the first carbon fiber layer (a), the first high-density glass layer of cloth (b),
Two carbon fiber layers (c), the second high-density glass layer of cloth (d) and the 3rd carbon fiber layer (e) are combined, and pass through between each adjacent layer
It is adhesively fixed；The outer rim of the cover (1) be integrally formed there are four by even circumferential be distributed flange (1a), the flange (1a)
For curved arch, pass through (1b) rounding off that is recessed between two adjacent ribs (1a)；Lockset is embedded in the center of the cover (1),
The lock core (2) of the lockset is more than the bottom surface in the middle part of cover (1) downwards, and follower block (3), institute are fixed in the lower end of the lock core (2)
Follower block (3) is stated as " ten " font, four free ends of the follower block (3) correspond to four guide pads (4), and four guiding respectively
Block (4) and four recess (1b) of cover correspond, and the guide pad (4) is fixed on cover (1) bottom surface close to corresponding recessed
It falls at (1b), each guide pad (4) is equipped with a locking bar (5), and the inner end of the locking bar (5) is hanging with follower block (3)
End flexible connection, the outer end of locking bar (5) pass through the corresponding pilot hole opened up on guide pad (4).
2. combined type host hatchcover according to claim 1, it is characterised in that：The follower block (3) is set in lock core (2)
Lower end, and by nut check.
3. combined type host hatchcover according to claim 2, it is characterised in that：The follower block (3) is stainless steel punching press
Part.
4. combined type host hatchcover according to claim 3, it is characterised in that：The inner end of the locking bar (5) passes through bending
Eave tile is formed with, the eave tile and the free end of follower block (3) mutually mount, and one layer of rubber is coated in the outer end of locking bar (5).
5. combined type host hatchcover according to claim 1, it is characterised in that：The guide pad (4) is " L " shape, this is led
The bottom surface of crosspiece and cover (1) to block (4) fits fixation, and pilot hole is offered in the vertical section of guide pad (4).
6. combined type host hatchcover according to claim 5, it is characterised in that：The guide pad (4) is stainless steel punching press
Part, the guide pad (4) and the bottom surface of cover (1) are adhesively fixed.
7. combined type host hatchcover according to claim 1, it is characterised in that：First carbon fiber layer (a), the second carbon
Fibrous layer (c) is equal with the thickness of the 3rd carbon fiber layer (e) three, and epoxy-based lacquers are coated in the top surface of the first carbon fiber layer (a)
Protective layer.
8. the combined type host hatchcover according to claim 1 or 7, it is characterised in that：The first high-density glass layer of cloth
(b) thickness is equal to the thickness of the second high-density glass layer of cloth (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711110564.0A CN108082440A (en) | 2017-11-12 | 2017-11-12 | A kind of combined type host hatchcover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711110564.0A CN108082440A (en) | 2017-11-12 | 2017-11-12 | A kind of combined type host hatchcover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108082440A true CN108082440A (en) | 2018-05-29 |
Family
ID=62172105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711110564.0A Withdrawn CN108082440A (en) | 2017-11-12 | 2017-11-12 | A kind of combined type host hatchcover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108082440A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2460568Y (en) * | 2001-02-02 | 2001-11-21 | 李志伟 | Anti-theft light manhole cover |
| CN2496922Y (en) * | 2001-10-10 | 2002-06-26 | 彭小航 | Anti-theft sewer cover |
| US20030160130A1 (en) * | 2002-02-28 | 2003-08-28 | Miloslav Novak | Impact resistant door containing resealable panels |
| CN2668703Y (en) * | 2004-01-15 | 2005-01-05 | 佟欣 | Anti-theft manhole lid |
| CN202745531U (en) * | 2012-08-28 | 2013-02-20 | 熊春林 | Four-direction locking mechanism for door body of safety box |
| CN203461093U (en) * | 2013-08-23 | 2014-03-05 | 重庆金泰航空工业有限公司 | Composite shell top cover for four-axle agricultural aerocraft |
| CN203461121U (en) * | 2013-08-23 | 2014-03-05 | 重庆金泰航空工业有限公司 | Chemical tank structure of four-shaft agricultural aircraft |
| CN203793629U (en) * | 2014-03-26 | 2014-08-27 | 重庆金泰航空工业有限公司 | Head cover structure for unmanned aerial vehicle |
-
2017
- 2017-11-12 CN CN201711110564.0A patent/CN108082440A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2460568Y (en) * | 2001-02-02 | 2001-11-21 | 李志伟 | Anti-theft light manhole cover |
| CN2496922Y (en) * | 2001-10-10 | 2002-06-26 | 彭小航 | Anti-theft sewer cover |
| US20030160130A1 (en) * | 2002-02-28 | 2003-08-28 | Miloslav Novak | Impact resistant door containing resealable panels |
| CN2668703Y (en) * | 2004-01-15 | 2005-01-05 | 佟欣 | Anti-theft manhole lid |
| CN202745531U (en) * | 2012-08-28 | 2013-02-20 | 熊春林 | Four-direction locking mechanism for door body of safety box |
| CN203461093U (en) * | 2013-08-23 | 2014-03-05 | 重庆金泰航空工业有限公司 | Composite shell top cover for four-axle agricultural aerocraft |
| CN203461121U (en) * | 2013-08-23 | 2014-03-05 | 重庆金泰航空工业有限公司 | Chemical tank structure of four-shaft agricultural aircraft |
| CN203793629U (en) * | 2014-03-26 | 2014-08-27 | 重庆金泰航空工业有限公司 | Head cover structure for unmanned aerial vehicle |
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