CN207311814U - A kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism - Google Patents
A kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism Download PDFInfo
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- CN207311814U CN207311814U CN201721337745.2U CN201721337745U CN207311814U CN 207311814 U CN207311814 U CN 207311814U CN 201721337745 U CN201721337745 U CN 201721337745U CN 207311814 U CN207311814 U CN 207311814U
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- aerofoil
- wedge shaped
- ejector pin
- lozenges
- spring
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Abstract
The utility model discloses a kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism, including four aerofoil plates, a mounting base, a wedge shaped ejector pin, a confinement ring, a spring and spring base；The lower end of four aerofoil plates is articulated on the upper surface of mounting base by axis pin, and aerofoil plate can be rotated around axis pin in perpendicular, the wedge shaped ejector pin for promoting four aerofoil plates to make four aerofoil plate expansion is provided with the center of mounting base, the through hole that wedge shaped ejector pin can be opened up along mounting base center moves up and down, wedge shaped ejector pin upper end is provided with the head coordinated with four aerofoil plates, wedge shaped ejector pin lower end is stretched out out of spring base that be installed on mounting base lower face, spring is provided with spring base, spring pocket is on wedge shaped ejector pin and between head lower face and the inner bottom surface of spring base, reach preferable positioning accuracy and locking requires.
Description
Technical field
It the utility model is related to aviation field, more particularly to a kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism.
Background technology
The use of folded surface, can effectively reduce the overall volume of aircraft, be conducive to storage and the fortune of whole equipment
It is defeated.Usually, folded surface includes aerofoil, fold mechanism and driver.And fold mechanism includes folding and expanding mechanism, synchronization
Mechanism, location locking mechanism and release mechanism etc..The effect of folding and expanding mechanism is that aerofoil can be made to fold and make in folding
The aerofoil of overlapping state expands in place under certain condition.Lazy-tongs are to ensure after the expansion of each aerofoil while in place.Positioning lock
The effect of tight mechanism is folding wings is accurately positioned in precalculated position, and positive lock, and can bear design load.
The structure design of small foldable aerofoil, ensure design performance requirement on the basis of, structure should try one's best simply, weight
Volume is as far as possible small.Therefore, the mechanism of the small foldable wing, is folded, by the way of Automatic-expanding using artificial, to reduce folding exhibition mostly
Open driving mechanism；Location locking mechanism has positioning and auto-lock function more, to omit lazy-tongs, release mechanism；More options bullet
Spring drives, to reduce the complexity of driver.
The existing small foldable wing, the overwhelming majority are single-blade face folding and expanding modes, i.e., a fin has individually folding
Folded development mechanism, location locking mechanism and driver.Its advantage is that aerofoil positioning and locking is reliable, independence that can be on aircraft
Arrangement, when master-plan, are more flexible, therefore application is relatively broad.But the drawback is that complicated, volume is larger, is not suitable for
The less occasion of installation space.
The content of the invention
In order to solve the problems in the existing technology, the purpose of this utility model is to provide a kind of small-sized four aerofoils longitudinal direction
Synchronous expansion retaining mechanism, the utility model is used for the less occasion of installation space, using a folding and expanding mechanism
And driver, make four aerofoil synchronous expansions and positioning and locking, and reach preferable positioning accuracy and locking requirement.
In order to realize above-mentioned purpose of utility model, the utility model uses technical solution as described below：
A kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism, including four aerofoil plates, a mounting base, a wedge shape
Push rod, a confinement ring, a spring and spring base；The lower end of four aerofoil plates is articulated in the upper surface of mounting base by axis pin
On, and aerofoil plate can be rotated around axis pin in perpendicular, is provided with the center of mounting base for promoting four aerofoils
Plate makes the wedge shaped ejector pin of four aerofoil plate expansion, and the through hole that wedge shaped ejector pin can be opened up along mounting base center moves up and down, wedge
Shape push rod upper end is provided with the head coordinated with four aerofoil plates, and wedge shaped ejector pin lower end is from the bullet being installed on mounting base lower face
Stretched out in spring abutment, spring is provided with spring base, spring pocket is mounted on wedge shaped ejector pin and is located at head lower face and spring base
Inner bottom surface between.
Further, four lozenges A are provided with head, lozenges B is provided with the right side of aerofoil plate lower end, are led to
Cross lozenges B and move upwardly so that lozenges B is bonded with lozenges A, during lozenges A and lozenges B fittings on aerofoil plate
End rotates expansion.
Further, spacing plane is provided with the left of aerofoil plate lower end, lozenges A is gradually being bonded process with lozenges B
In spacing plane be gradually bonded with the upper surface of mounting base with realize locking.
Further, a confinement ring is further included, confinement ring is connected to four aerofoil plate upper ends.
Further, card slot is offered on four aerofoil plates upper surface, the confinement ring is connected to four aerofoils
In card slot on plate.
Further, the central axis of mounting base, spring base and wedge shaped ejector pin coincides.
Due to the adoption of the above technical scheme, the utility model has following superiority：
Four aerofoil plates in the utility model can synchronous folding expansion locking, it is simple and compact for structure, rear aerofoil is unfolded
Accurate positioning, reliable lock.
Brief description of the drawings
Fig. 1 is the structure diagram that four aerofoil plates of the utility model are locked；
Fig. 2 is the structure diagram that four aerofoil plates of the utility model are unfolded；
Fig. 3 is the sectional view of Fig. 1；
Fig. 4 is the sectional view of Fig. 2；
Fig. 5 is the structure diagram of wedge shaped ejector pin；
Fig. 6 is the structure diagram of aerofoil plate；
In figure：1st, aerofoil plate；11st, card slot；12nd, lozenges B；13rd, spacing plane；2nd, mounting base；3rd, wedge shaped ejector pin；31、
Head；32nd, lozenges A；4th, spring base；5th, confinement ring；6th, axis pin；7th, spring.
Embodiment
The technical solution of the utility model is further described in detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1,2,3, 4, a kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism, including four aerofoil plates 1, one
5, springs 7 of a wedge shaped ejector pin 3, one of mounting base 2, one confinement ring and spring base 4；The lower end of four aerofoil plates 1 passes through
Axis pin 6 is articulated on the upper surface of mounting base 2, and aerofoil plate 1 can be rotated around axis pin 6 in perpendicular, in mounting base 2
The wedge shaped ejector pin 3 for promoting four aerofoil plates 1 that four aerofoil plates 1 are unfolded is provided with center, wedge shaped ejector pin 3 can be along peace
The through hole opened up at 2 center of dress seat moves up and down, and 3 upper end of wedge shaped ejector pin is provided with the head 31 coordinated with four aerofoil plates 1, wedge
3 lower end of shape push rod is stretched out out of spring base 4 that be installed on 2 lower face of mounting base, and spring 7, spring are provided with spring base 4
7 are sleeved on wedge shaped ejector pin 3 and between 31 lower face of head and the inner bottom surface of spring base 4.
As shown in figure 5, being provided with four lozenges A32 in head 31, wedge shape is provided with the right side of 1 lower end of aerofoil plate
Face B12, moves upwardly so that lozenges B12 is bonded with lozenges A32, lozenges A32 and lozenges B12 by lozenges B12
Aerofoil plate upper end rotates expansion during fitting.
As shown in fig. 6, being provided with spacing plane 13 on the left of 1 lower end of aerofoil plate, lozenges A32 is gradual with lozenges B12
Spacing plane 13 is gradually bonded with the upper surface of mounting base 2 to realize locking during fitting.
The utility model further includes a confinement ring 5, and confinement ring 5 is connected to four 1 upper ends of aerofoil plate, confinement ring 5 and four
The connection structure of aerofoil plate 1 is specifically described as：Card slot 11, the confinement ring 5 are offered on four aerofoil plates, 1 upper surface
It is connected in the card slot 11 on four aerofoil plates 1.
Being clamped four aerofoil plates 1 by confinement ring 5 ensures further locking of four aerofoil plates after gathering.
The central axis of mounting base 2, spring base 4 and wedge shaped ejector pin 3 coincides.
Four aerofoil plates expansion to the utility model, locking process illustrate respectively below：
1st, for four aerofoil plates in folding locking state, confinement ring tips the card slot of aerofoil plate in, realizes that folding is spacing, this
When, amount of spring compression is maximum, and thrust is in maximum, and thrust acts on wedge shaped ejector pin upwards, make lozenges A all the time with aerofoil plate
Bottom lozenges B is contacted, but lozenges A and lozenges B is at an angle, after thrust is delivered to aerofoil plate, forms moment of torsion, driving
Aerofoil plate is rotated to expansion direction, and due to the limitation of confinement ring 1, which is balanced.
2nd, when aerofoil plate needs expansion, confinement ring leaves the card slot on aerofoil plate, aerofoil plate under the driving of external agency
Static balancing state be broken, at this time, spring promote wedge shaped ejector pin move upwards, aerofoil plate around axis pin rotate, aerofoil plate with
In the mutual motion process of wedge shaped ejector pin, the lozenges A angles of lozenges B and wedge shaped ejector pin on aerofoil plate taper into, and work as folder
Angle is changed into 0 degree, i.e., after the completion of two lozenges coordinate, spacing plane on the aerofoil plate upper surface with mounting base at this time,
Reach locking state.
Claims (6)
- A kind of 1. small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism, it is characterised in that：Including four aerofoil plates, an installation Seat, a wedge shaped ejector pin, a confinement ring, a driving spring and spring base；The lower end of four aerofoil plates is pivotally connected by axis pin On the upper surface of mounting base, and aerofoil plate can be rotated around axis pin in perpendicular, is provided with the center of mounting base For promoting four aerofoil plates to make the wedge shaped ejector pin of four aerofoil plate expansion, what wedge shaped ejector pin can be opened up along mounting base center Through hole moves up and down, and wedge shaped ejector pin upper end is provided with the head coordinated with four aerofoil plates, and wedge shaped ejector pin lower end is from being installed in peace Fill in the spring base on seat lower face and stretch out, spring is provided with spring base, spring pocket is mounted on wedge shaped ejector pin and is located at bar Between head lower face and the inner bottom surface of spring base.
- 2. small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism according to claim 1, it is characterised in that：Set in head Four lozenges A are equipped with, lozenges B is provided with the right side of aerofoil plate lower end, lozenges is moved upwardly so that by lozenges B B is bonded with lozenges A, lozenges A and lozenges B fitting during aerofoil plate upper end rotate expansion.
- 3. small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism according to claim 2, it is characterised in that：Aerofoil plate lower end Left side is provided with spacing plane, lozenges A gradual upper ends with mounting base of spacing plane during being gradually bonded with lozenges B Face paste is closed to realize locking.
- 4. small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism according to claim 1, it is characterised in that：Further include one about Beam ring, confinement ring are connected to four aerofoil plate upper ends.
- 5. small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism according to claim 4, it is characterised in that：Four wings Card slot is offered on panel upper surface, the confinement ring is connected in the card slot on four aerofoil plates.
- 6. small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism according to claim 1, it is characterised in that：Mounting base, bullet The central axis of spring abutment and wedge shaped ejector pin coincides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337745.2U CN207311814U (en) | 2017-10-18 | 2017-10-18 | A kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337745.2U CN207311814U (en) | 2017-10-18 | 2017-10-18 | A kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN207311814U true CN207311814U (en) | 2018-05-04 |
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| CN201721337745.2U Active CN207311814U (en) | 2017-10-18 | 2017-10-18 | A kind of small-sized four aerofoils longitudinal direction synchronous expansion retaining mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904749A (en) * | 2019-05-08 | 2020-11-10 | 苏州市越吴建筑机械有限公司 | Side plate synchronous unfolding mechanism for nursing bed |
| CN112319768A (en) * | 2020-11-12 | 2021-02-05 | 西安长峰机电研究所 | Embedded folding wing mechanism |
| CN114348237A (en) * | 2021-12-31 | 2022-04-15 | 洛阳瑞极光电科技有限公司 | Closing and locking mechanism for ejection port of folding wing surface of small aircraft |
-
2017
- 2017-10-18 CN CN201721337745.2U patent/CN207311814U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904749A (en) * | 2019-05-08 | 2020-11-10 | 苏州市越吴建筑机械有限公司 | Side plate synchronous unfolding mechanism for nursing bed |
| CN112319768A (en) * | 2020-11-12 | 2021-02-05 | 西安长峰机电研究所 | Embedded folding wing mechanism |
| CN114348237A (en) * | 2021-12-31 | 2022-04-15 | 洛阳瑞极光电科技有限公司 | Closing and locking mechanism for ejection port of folding wing surface of small aircraft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Four small -size airfoils vertically expand locking mechanism in step Effective date of registration: 20190723 Granted publication date: 20180504 Pledgee: Luoyang Bank Co., Ltd. Pledgor: Luoyang Rui Rui Optoelectronics Technology Co., Ltd. Registration number: 2019990000758 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200826 Granted publication date: 20180504 Pledgee: Luoyang Bank Co.,Ltd. Pledgor: LUOYANG RUIJI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2019990000758 |