CN207406179U - It is a kind of without lock hatch door rocking arm torsion resistant device - Google Patents
It is a kind of without lock hatch door rocking arm torsion resistant device Download PDFInfo
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- CN207406179U CN207406179U CN201721076037.8U CN201721076037U CN207406179U CN 207406179 U CN207406179 U CN 207406179U CN 201721076037 U CN201721076037 U CN 201721076037U CN 207406179 U CN207406179 U CN 207406179U
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- rocking arm
- torsion resistant
- hatch door
- resistant tube
- hatch
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Abstract
The utility model discloses a kind of without lock hatch door rocking arm torsion resistant device, belong to hatch door rigidity Design field.Including：Torsion resistant tube and the rocking arm mounted on torsion resistant tube both ends；The rocking arm bending is C-shaped, and the rocking arm is provided with installing plate close to one end of hatch board, and the rocking arm is fixed on by installing plate on the hatch board；The rocking arm other end is provided with installation nut, and the installation nut is distributed on the rocking arm both sides, and the both ends of the torsion resistant tube are inserted into respectively in the installation nut of one side, and are fastened by bolts.The utility model has a clear superiority to aircraft loss of weight under conditions of same stiffness is increased；Torsion resistant tube is easily worked, and technological requirement is relatively low, and the relatively inexpensive material manufacture of price can be used, good in economic efficiency；When preliminary design of aircraft requirement needs change, only changing one part of torsion resistant tube just can change entire hatch door rigidity, no matter from design and manufacture, can effectively reduce time and financial cost.
Description
Technical field
The utility model belongs to hatch door rigidity Design technical field, and in particular to a kind of without lock hatch door rocking arm torsion resistant device.
Background technology
Hatch door is the common structure on aircraft, such as weapon hatch door, undercarriage door and some specific function mechanism hatch doors.
For some small-sized cabin door structures, often using the form of rocking arm connection load-carrying construction, pressurized strut control cabinet switch.It is subject to structure
Space, operating mechanism, functional requirement etc. are many-sided to be limited, this small-sized cabin door structure, and often pressurized strut bearing is formed with rocking arm
Triangle-Profile is unfavorable for the balance of load.To prevent emergency rating opens hatch door from breaking down, some small-sized hatch doors are not installed
Cabin door lock is resisted outer carry by the rigidity of structure completely and is deformed.Due to the requirement of Aerodynamic Configuration of Aireraft, the gap after being closed to hatch door will
It is proposed exacting terms is sought, this causes the rigidity Design of this hatch door to become key technology and design difficulty.
To improve the rigidity of hatch door, two methods are mainly taken in previous design, first, the rigidity of rocking arm is improved, second is that carrying
The rigidity of high hatch board.Improving the major measure that rocking arm rigidity is taken is increase rocking arm size or increases rocking arm number；Improve cabin
The major measure that lid rigidity is taken is increase hatch board height or thickens lid siding.However, increase rocking arm rigidity often band
Carry out serious aircraft weightening；Increase the rigidity of hatch board in addition to weightening is brought, also to occupy the space of functional structure.Actually setting
In meter, sometimes two methods use simultaneously, can not also meet the dual harshness of aerodynamic loading and aerodynamic configuration to the rigidity of structure
It is required that.
Utility model content
The purpose of this utility model：To solve the above-mentioned problems, resist the utility model proposes a kind of without lock hatch door rocking arm
Device is turned round, multiple rocking arms are together in series using torsion resistant tube, when hatch door stand under load, rocking arm and the assembly parts that torsion resistant tube forms are common
Hatch door deformation is resisted, hatch door overall stiffness can be effectively improved.
The technical solution of the utility model：It is a kind of without lock hatch door rocking arm torsion resistant device, including：Torsion resistant tube and mounted on antitorque
The rocking arm at pipe both ends；
The rocking arm bending is C-shaped, and one end is fixed on hatch board, and the other end is connected in the torsion resistant tube.
Preferably, the rocking arm is provided with installing plate close to one end of hatch board, and the rocking arm is fixed on by installing plate
On the hatch board；
The rocking arm other end is provided with installation nut, and the installation nut is distributed on the rocking arm both sides, described antitorque
The both ends of pipe are inserted into respectively in the installation nut of one side, and are fastened by bolts.
Preferably, the installation nut is equipped with pin hole jointly with the bolt.
Preferably, the torsion resistant tube be solid d-axis pipe or solid step central siphon, and the two be provided at both ends with and institute
State the internal thread of bolt cooperation installation.
Preferably, the torsion resistant tube be hollow d-axis pipe or hollow ladder central siphon, and the two be provided at both ends with and institute
State the internal thread of bolt cooperation installation.
Preferably, the rocking arm is provided with engraved structure.
The advantageous effects of technical solutions of the utility model：The utility model is a kind of without lock hatch door rocking arm torsion resistant tube, makes
Hatch door minimizes aircraft weightening, and is not take up the useful space of functional structure while rigidity requirement is met.
Description of the drawings
Fig. 1 is the general structure schematic diagram of a preferred embodiment of the utility model without lock hatch door rocking arm torsion resistant tube；
Fig. 2 is the torsion resistant tube of embodiment illustrated in fig. 1 and rocking arm connection diagram；
Fig. 3 is the torsion resistant tube diagrammatic cross-section of embodiment illustrated in fig. 1；
Wherein, 1- torsion resistant tubes, 2- rocking arms, 3- hatch boards, 4- bolts, 5- pin holes, 21- installing plates, 22- installation nuts.
Specific embodiment
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.In the accompanying drawings, from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Described reality
It is the utility model part of the embodiment to apply example, instead of all the embodiments.Below with reference to the embodiment of attached drawing description
It is exemplary, it is intended to for explaining the utility model, and it is not intended that limitation to the utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.The embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of description the utility model and simplifies description rather than instruction or imply signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this practicality
The limitation of novel protected scope.
As shown in Figure 1 to Figure 2, the utility model it is a kind of without lock hatch door rocking arm torsion resistant device, including：Torsion resistant tube 1 and installation
Rocking arm 2 at 1 both ends of torsion resistant tube；
Rocking arm 2 bends C-shaped, and one end is fixed on hatch board 3, and the other end is connected in torsion resistant tube 1, will be shaken with torsion resistant tube
Arm 2 is together in series, and when hatch door stand under load, assembly parts that rocking arm 2 is formed with torsion resistant tube 1 are resisted hatch door deformation energy and effectively improved jointly
Hatch door overall stiffness.
Rocking arm 2 can be according to actual design requirement in the installation site of hatch board 3, the functional structure region away from hatch board 3,
It is not take up functional structure space.
It furthermore can be according to magnitude of load and pneumatic shape requirement, the knots such as material, shape, size by changing torsion resistant tube 1
Structure feature adjusts the rigidity of hatch door, meets different general design requirements.
In the present embodiment, rocking arm 2 is provided with installing plate 21 close to one end of hatch board 3, and installing plate 21 and rocking arm 2 are integrated
Formula structure or installing plate 21 are fixed by welding in one end of rocking arm 2, and installing plate 21 is provided with mounting hole, using rivet or
Installing plate 21 is fixed on hatch board 3 by bolt.
2 other end of rocking arm is provided with horizontal mounting plate, and installation nut 22 is each provided at left and right sides of horizontal mounting plate, is resisted
The both ends of torsion tube 1 are inserted into respectively in the installation nut 22 of one side, and are passed through bolt 4 and fastened；
It, will with torsion resistant tube 1 by being spirally connected, the mechanical connection manners such as pin so open two concentric axis holes on two rocking arms 2
Two rocking arms 2 are together in series, and can effectively improve hatch door overall stiffness.
In the present embodiment, installation nut 22 is equipped with pin hole 5 jointly with bolt 4, and bolt 4 connects torsion resistant tube 1
After on rocking arm 2, pin is installed by installing nut 22 in both sides, prevents torsion resistant tube 1 from being slipped out of rocking arm 2, can also prevent
Only bolt 4 is slipped out of rocking arm 2.
As shown in Figure 3：In the present embodiment, torsion resistant tube 1 is solid d-axis pipe or solid step central siphon, and both ends of the two
The internal thread with the cooperation installation of bolt 4 is provided with, is to meet overall stiffness to want using solid d-axis pipe or solid step central siphon
It asks, improves the rigidity of hatch door.
In the present embodiment, torsion resistant tube 1 be hollow d-axis pipe or hollow ladder central siphon, and the two be provided at both ends with and spiral shell
The internal thread of the cooperation installation of bolt 4, under the requirement for meeting design rigidity, can mitigate aircraft weight using hollow torsion resistant tube 1.
In the present embodiment, rocking arm 2 is provided with engraved structure, for mitigating the gross weight of body.
The utility model without lock hatch door rocking arm torsion resistant device compared with other schemes, under conditions of same stiffness is increased,
This programme has a clear superiority to aircraft loss of weight；Torsion resistant tube is easily worked, and technological requirement is relatively low, and the relatively inexpensive material of price can be used
Material manufacture, it is good in economic efficiency；When preliminary design of aircraft requirement needs change, it is whole with regard to that can change only to change one part of torsion resistant tube
A hatch door rigidity no matter from design and manufacture, can effectively reduce time and financial cost.
It is last it is to be noted that：Above example is only to illustrate the technical solution of the utility model rather than it is limited
System.Although the utility model is described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should manage
Solution：It can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the utility model
The spirit and scope of technical solution.
Claims (6)
- It is 1. a kind of without lock hatch door rocking arm torsion resistant device, which is characterized in that including：Torsion resistant tube (1) and mounted on torsion resistant tube (1) both ends Rocking arm (2)；Rocking arm (2) bending is C-shaped, and one end is fixed on hatch board (3), and the other end is connected in the torsion resistant tube (1).
- It is 2. according to claim 1 without lock hatch door rocking arm torsion resistant device, it is characterised in that:The rocking arm (2) is close to hatch One end of lid (3) is provided with installing plate (21), and the rocking arm (2) is fixed on by installing plate (21) on the hatch board (3)；Rocking arm (2) other end is provided with installation nut (22), and the installation nut (22) is distributed on the rocking arm (2) two Side, the both ends of the torsion resistant tube (1) are inserted into respectively in the installation nut (22) of one side, and pass through bolt (4) fastening.
- 3. as claimed in claim 2 without lock hatch door rocking arm torsion resistant device, it is characterised in that：It is described installation nut (22) with it is described Bolt (4) is equipped with pin hole (5) jointly.
- 4. as claimed in claim 2 without lock hatch door rocking arm torsion resistant device, it is characterised in that：The torsion resistant tube (1) is solid straight Central siphon or solid step central siphon, and the internal thread being provided at both ends with the bolt (4) cooperation installation of the two.
- 5. as claimed in claim 2 without lock hatch door rocking arm torsion resistant device, it is characterised in that：The torsion resistant tube (1) is hollow straight Central siphon or hollow ladder central siphon, and the internal thread being provided at both ends with the bolt (4) cooperation installation of the two.
- 6. as described in claim 1 without lock hatch door rocking arm torsion resistant device, it is characterised in that：The rocking arm (2) is provided with hollow out Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721076037.8U CN207406179U (en) | 2017-08-25 | 2017-08-25 | It is a kind of without lock hatch door rocking arm torsion resistant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721076037.8U CN207406179U (en) | 2017-08-25 | 2017-08-25 | It is a kind of without lock hatch door rocking arm torsion resistant device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406179U true CN207406179U (en) | 2018-05-25 |
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ID=62323095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721076037.8U Active CN207406179U (en) | 2017-08-25 | 2017-08-25 | It is a kind of without lock hatch door rocking arm torsion resistant device |
Country Status (1)
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| CN (1) | CN207406179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332454A (en) * | 2020-03-19 | 2020-06-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Variable-configuration cabin door for enhancing aircraft course stability and control method thereof |
| CN112627657A (en) * | 2020-12-17 | 2021-04-09 | 中航沈飞民用飞机有限责任公司 | APU cabin door hinge joint manufactured by additive manufacturing technology |
-
2017
- 2017-08-25 CN CN201721076037.8U patent/CN207406179U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332454A (en) * | 2020-03-19 | 2020-06-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Variable-configuration cabin door for enhancing aircraft course stability and control method thereof |
| CN111332454B (en) * | 2020-03-19 | 2023-03-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Variable-configuration cabin door for enhancing aircraft course stability and control method thereof |
| CN112627657A (en) * | 2020-12-17 | 2021-04-09 | 中航沈飞民用飞机有限责任公司 | APU cabin door hinge joint manufactured by additive manufacturing technology |
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