CN210044858U - Spring type undercarriage cabin door switch structure - Google Patents
Spring type undercarriage cabin door switch structure Download PDFInfo
- Publication number
- CN210044858U CN210044858U CN201920723597.0U CN201920723597U CN210044858U CN 210044858 U CN210044858 U CN 210044858U CN 201920723597 U CN201920723597 U CN 201920723597U CN 210044858 U CN210044858 U CN 210044858U
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- Prior art keywords
- hatch door
- undercarriage
- swinging
- landing gear
- cabin
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Abstract
The utility model relates to a spring undercarriage hatch door switch structure, including the cabin body and receive and release the undercarriage, the cabin body is inside to be equipped with and holds the chamber, and the both sides that hold the chamber are equipped with the hatch door fixed plate respectively, receive and release the undercarriage rotatable and establish in holding the intracavity, and two hatch door fixed plates are swing joint have the hatch door respectively, and the lateral wall of hatch door fixed plate is connected with the elasticity swinging member, and the elasticity swinging member passes through the control rod linkage with the hatch door and connects, the utility model discloses simple structure, low in manufacturing cost, the operation degree of difficulty is low, realizes opening and close of hatch door according to the action of receiving and releasing the undercarriage, presses on the elasticity swinging member when receiving and releasing the undercarriage whereabouts and; when the retractable landing gear moves upwards, the retractable landing gear is separated from the elastic swinging piece, the elastic swinging piece swings upwards under the elastic action of the tension spring, and the elastic swinging piece drives the cabin door to open through the operating rod.
Description
Technical Field
The utility model relates to an aeromodelling field indicates a spring undercarriage hatch door switch structure especially.
Background
The opening and closing actions of the landing gear doors used by the prior art model airplane are controlled by a servo, as shown in fig. 3, the specific actions are as follows: retraction and extension of the landing gear: after the landing gear is retracted, the servo 7 works to drive the first operating rod 8 to pull the landing gear door 9 to be closed; the actions of retracting and releasing the landing gear are as follows: the servo 7 works to drive the operating rod 8 to pull the landing gear door 9 to open, and then the landing gear is retracted and opened;
the main defects are as follows: 1. a servo 7 and a control circuit are needed to realize the linkage of the servo 7 and the retractable landing gear, so that the cost and the operation time are increased;
2. the working angle of the servo 7 is fixed at 90 degrees, and if the servo 7 is not rotated to a fixed position when the landing gear door 9 is closed, the servo 7 is blocked and is easy to burn out.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a spring undercarriage hatch door switch structure that simple structure, low in manufacturing cost.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a spring undercarriage hatch door switch structure, includes the cabin body and receive and releases the undercarriage, the internal portion in cabin is equipped with and holds the chamber, the both sides that hold the chamber are equipped with the hatch door fixed plate respectively, receive and release the undercarriage rotatable the setting and hold the intracavity, two swing joint has the hatch door on the hatch door fixed plate respectively, the lateral wall of hatch door fixed plate is connected with elasticity oscillating piece, elasticity oscillating piece passes through the control lever linkage with the hatch door and is connected.
Preferably, the elastic swinging piece comprises a swinging rod and a tension spring, the swinging rod is movably arranged on the side wall of the cabin door fixing plate, the swinging rods are opposite in position, one ends of the swinging rods and one ends of the swinging rods are connected in a staggered mode, one end of the tension spring is connected with the swinging rod, and the other end of the tension spring is connected with the cabin door fixing plate.
Preferably, the landing gear further comprises a control device, and the control device is electrically connected with the retractable landing gear.
The beneficial effects of the utility model reside in that: the utility model has simple structure, low manufacturing cost and low operation difficulty, realizes the opening and closing of the cabin door according to the action of the retractable undercarriage, presses the elastic swinging piece to make the elastic swinging piece swing downwards when the retractable undercarriage falls, and the elastic swinging piece drives the cabin door to do the closing action through the control rod; when the retractable landing gear moves upwards, the retractable landing gear is separated from the elastic swinging piece, the elastic swinging piece swings upwards under the elastic action of the tension spring, and the elastic swinging piece drives the cabin door to open through the operating rod.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an explosion structure diagram of the present invention.
Fig. 3 is a schematic structural view of a conventional hatch opening and closing system.
Description of reference numerals: 1. a cabin body; 11. an accommodating chamber; 2. a cabin door fixing plate; 3. retracting and releasing the undercarriage; 4. a cabin door; 5. an elastic swinging member; 51. a swing lever; 52. a tension spring; 6. a joystick.
Detailed Description
Referring to fig. 1-2, the present invention relates to a spring type landing gear bay door 4 opening and closing system, which includes a cabin body 1, retractable landing gears 3, a bay door 4, an elastic swinging member 5 and an operating lever 6, wherein a containing cavity 11 is provided inside the cabin body 1, two sides of the containing cavity 11 are respectively provided with a bay door fixing plate 2, the retractable landing gears 3 can be rotatably arranged in the containing cavity 11, inner side walls of the two bay door fixing plates 2 are respectively provided with a first buckling lug, a second buckling lug and a fixing block, which are corresponding in position, the first buckling lug is provided with a first buckling hole, the bay door 4 is provided with a protruding column, the bay door 4 is movably arranged on the bay door fixing plate 2 by the protruding column in the first buckling hole, the elastic swinging member 5 includes a swinging rod 51 and a tension spring 52, the two swinging rods 51 are respectively connected with the fixing block by the connecting column, the swinging rod 51, the other end of two swinging arms 51 is crisscross to be met, the one end of extension spring 52 is detained and is established on swinging arms 51, the other end of extension spring 52 is detained and is established on the second detains the ear, the one end and the swinging arms 51 of control lever 6 are connected, the other end and the hatch door 4 of control lever 6 are connected, and swinging arms 51 passes through control lever 6 and drives the activity of hatch door 4.
Preferably, the landing gear device further comprises a control device, and the control device is electrically connected with the retractable landing gear 3.
The working principle is as follows: the control device drives the retractable landing gear 3 to fall, the retractable landing gear 3 is pressed on the two swing rods 51, the swing rods 51 swing downwards, and the swing rods 51 drive the cabin door 4 to perform door closing actions through the operating rod 6 until the cabin door 4 is completely closed; the control device drives the retractable landing gear 3 to move upwards, when a certain angle is reached, the retractable landing gear 3 is separated from the swinging rod 51, the swinging rod 51 swings upwards under the action of the elastic force of the tension spring 52, the swinging rod 51 pushes the cabin door 4 open through the operating rod 6, and when the retractable landing gear 3 is continuously opened to be completely separated from the swinging rod 51, the cabin door 4 is completely opened and the position is kept still.
The utility model discloses simple structure, low in manufacturing cost need not to use the server to control rod 6, realizes opening and close of hatch door 4 through the action of receiving and releasing undercarriage 3, and the operation degree of difficulty is low, convenient operation.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.
Claims (3)
1. The utility model provides a spring undercarriage hatch door switch structure which characterized in that: including the cabin body and receive and release the undercarriage, the internal portion in cabin is equipped with and holds the chamber, the both sides that hold the chamber are equipped with the hatch door fixed plate respectively, receive and release the rotatable establishment of undercarriage and hold the intracavity, two swing joint has the hatch door on the hatch door fixed plate respectively, the lateral wall of hatch door fixed plate is connected with the elasticity swing piece, the elasticity swing piece passes through the control lever linkage with the hatch door and is connected.
2. The spring landing gear door switch structure of claim 1, wherein: the elastic swinging piece comprises a swinging rod and a tension spring, the swinging rod is movably arranged on the side wall of the cabin door fixing plate, the positions of the swinging rods are opposite, one ends of the swinging rods and one ends of the swinging rods are connected in a staggered mode, one end of the tension spring is connected with the swinging rod, and the other end of the tension spring is connected with the cabin door fixing plate.
3. The spring landing gear door switch structure of claim 1, wherein: the undercarriage control system further comprises a control device, and the control device is electrically connected with the retractable undercarriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723597.0U CN210044858U (en) | 2019-05-20 | 2019-05-20 | Spring type undercarriage cabin door switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723597.0U CN210044858U (en) | 2019-05-20 | 2019-05-20 | Spring type undercarriage cabin door switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210044858U true CN210044858U (en) | 2020-02-11 |
Family
ID=69382354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920723597.0U Active CN210044858U (en) | 2019-05-20 | 2019-05-20 | Spring type undercarriage cabin door switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210044858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248912A (en) * | 2020-09-22 | 2022-03-29 | 海鹰航空通用装备有限责任公司 | Undercarriage folding and unfolding and cabin door linkage mechanism for small-sized fixed wing unmanned aerial vehicle |
-
2019
- 2019-05-20 CN CN201920723597.0U patent/CN210044858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248912A (en) * | 2020-09-22 | 2022-03-29 | 海鹰航空通用装备有限责任公司 | Undercarriage folding and unfolding and cabin door linkage mechanism for small-sized fixed wing unmanned aerial vehicle |
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