CN216834252U - Small-size expansion supporting mechanism - Google Patents
Small-size expansion supporting mechanism Download PDFInfo
- Publication number
- CN216834252U CN216834252U CN202122298401.8U CN202122298401U CN216834252U CN 216834252 U CN216834252 U CN 216834252U CN 202122298401 U CN202122298401 U CN 202122298401U CN 216834252 U CN216834252 U CN 216834252U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- support
- supporting
- lever
- folding
- 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.)
- Active
Links
Images
Landscapes
- Toys (AREA)
Abstract
The utility model provides a small-size expansion supporting mechanism can set up the object outer wall that needs to support, can expand fast during the use, and not the time spent is folding. The unfolding type supporting mechanism comprises a supporting connecting rod A, a power mechanism, a folding connecting rod assembly, a supporting base, a lever and a supporting piece. A plurality of these mechanisms of installation can be simultaneously in aircraft model bottom when in actual use, and a plurality of mechanisms expand simultaneously during the landing, and the area of contact of aircraft model and ground when expanding the completion back can greatly increased landing can effectually prevent accidents such as the emergence of turning on one's side when the aircraft lands.
Description
Technical Field
The utility model relates to a mechanical design technical field, concretely relates to small-size expansion supporting mechanism.
Background
The supporting mechanism is a mechanical mechanism which is frequently used for ensuring that the model can safely land when various experimental aircraft models land, generally speaking, the parachute is firstly opened to decelerate when the aircraft models land, then the unfolding supporting mechanism additionally installed under the aircraft models is opened to enable the aircraft models to be timely supported and prevented when landing, accidents such as rollover and the like are prevented, and therefore the aircraft models can be safely landed without being damaged and can be reused.
Although the parachute decelerates when the aircraft model lands, the landing speed is still high, the unfolding speed of the existing unfolding supporting mechanism is low, the situation that the unfolding mechanism is not completely unfolded when the unmanned aerial vehicle model lands often occurs, and the safety of the aircraft model cannot be guaranteed at the moment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a small-size expansion supporting mechanism can expand fast and provide the support.
The utility model adopts the following specific technical proposal:
a small-sized expansion type supporting mechanism comprises a connecting rod, a folding connecting rod component, a supporting base, a lever, a supporting piece and a power mechanism;
the power mechanism is fixedly connected with the top of the supporting base;
the middle part of the lever is rotationally connected above the supporting base, one end of the lever is in locking fit with the connecting rod, and the other end of the lever is provided with rotational acting force by the power mechanism;
one end of the connecting rod is rotatably connected to the side face of one side where the supporting base lever is located, and the other end of the connecting rod is a movable end and is used for being in locking fit with one end of the lever or abutting against the ground; the folding connecting rod assembly is rotatably connected between the side surface of the supporting base and the connecting rod; when the connecting rod is in locking fit with one end of the lever, the folding connecting rod component is in a folding state; under the rotating acting force provided by the power mechanism, the connecting rod and the lever are unlocked, and when the folding connecting rod assembly is unfolded to be in a linear state, the movable end of the connecting rod is abutted against the ground.
Furthermore, the top end of the supporting base is fixedly connected with a supporting rod, and the end part of the supporting rod is used for being rotatably connected with the lever.
Further, a locking mechanism is arranged at the locking and matching end of the lever and the connecting rod.
Further, the movable end of the connecting rod is provided with a locking mechanism which is used for being matched with the locking mechanism of the lever in a locking way.
Further, the locking mechanism of the lever and the locking mechanism of the connecting rod are both buckles.
Furthermore, the power mechanism consists of an unfolding steering engine and a steering engine crank, and the steering engine crank is in interference fit with the unfolding steering engine; the end part of the crank of the steering engine is used for contacting one end of the lever, which deviates from the locking mechanism.
Furthermore, the folding connecting rod assembly consists of a support connecting rod B, a support connecting rod C, a sliding sleeve, a sleeve spring, a support connecting rod B limiting ring and a support connecting rod C limiting ring;
one end of the support connecting rod B is rotatably connected with the connecting rod, the other end of the support connecting rod B is rotatably connected with one end of the support connecting rod C, and a limit ring of the support connecting rod B is arranged at the end part of the rotary connecting end of the support connecting rod B and the support connecting rod C;
the other end of the support connecting rod C is rotatably connected to the side face of the support base, and a limit ring of the support connecting rod C is arranged at the rotating connection end of the support connecting rod C and the support base;
the sleeve spring and the sliding sleeve are sleeved on the support connecting rod C, and the sleeve spring is positioned between the limiting ring of the support connecting rod C and the sliding sleeve;
when the folding connecting rod component is in a folding state, the sleeve spring is in a compression state; when the supporting connecting rod B and the supporting connecting rod C are in a straight line, the sliding sleeve is positioned at the rotating connection position of the supporting connecting rod B and the supporting connecting rod C and is limited by the limiting ring of the supporting connecting rod B.
Further, the supporting piece adopts a spring.
Has the advantages that:
1. the supporting mechanism is simple in structure and convenient to produce, the connecting rod and the folding connecting rod assembly can be rapidly unfolded through power provided by the power mechanism, the contact area between the whole mechanism and the ground is increased after the movable end of the connecting rod is abutted against the ground, and the whole mechanism plays a supporting role to prevent the aircraft model from side turning. The utility model can be unfolded quickly when in use and folded when not in use, thereby occupying no space.
2. According to the invention, the locking mechanism is arranged at the locking matching end of the lever and the connecting rod, the locking mechanism is arranged at the movable end of the connecting rod, the folding mode of the supporting mechanism is simple, and the locking of the whole device can be completed by only one locking mechanism.
3. The lever rotates under the power provided by the power mechanism, and the locking mechanism is a buckle, so that the lever and the connecting rod can be conveniently locked and unlocked.
4. The invention limits the rotational freedom degree of the support connecting rod B and the support connecting rod C through the sliding sleeve, so that the support connecting rod B and the support connecting rod C are in a linear state in an unfolding state, and the structure is simple and easy to realize.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
the device comprises a support connecting rod A1, a support connecting rod B2, a support connecting rod B3, a limit ring of the support connecting rod B, a support connecting rod C4, a sliding sleeve 5, a sleeve spring 6, a support connecting rod C7, a limit ring of the support connecting rod C8, a lever spring 9, a steering engine crank 10, an unfolding steering engine 11 and a support base 12.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
The embodiment provides a small-sized unfolding type supporting mechanism which can be arranged on the outer wall of an object to be supported, can be unfolded quickly when in use and can be folded when not in use. As shown in fig. 1, the unfolding support mechanism includes a support link a1, a power mechanism, a folding link assembly, a support base 12, a lever 9, and a support member.
The power mechanism comprises a unfolding steering engine 11 and a steering engine crank 10. Steering wheel crank 10 and the 11 interference fit of expansion steering wheel, along with expansion steering wheel 11 together fixed connection in support base 12 top, the tip of steering wheel crank 10 is used for deviating from the one end contact of locking mechanical system with lever 9. The length of steering wheel crank 10 is enough to ensure that when steering wheel 11 is unfolded to drive steering wheel crank 10 to deflect, the end of steering wheel crank 10 can contact the lower part of the right end of lever 9 and lift the right end of lever 9.
The middle part of the lever 9 is rotatably connected above the supporting base 12 through a supporting rod, a locking mechanism is arranged at the locking and matching end of the lever 9 and the connecting rod, the end is supported by a supporting piece, and the other end of the lever 9 provides a rotating acting force by a power mechanism. In the embodiment, the locking mechanism adopts a buckle, and the buckle is arranged on the left side of the lever 9 and is used for locking and matching with and unlocking the moving end of the support connecting rod A1.
In this embodiment, the supporting member is a spring, and is named as a lever spring 8, one end of the supporting member is fixedly connected to the supporting base 12, the other end of the supporting member is fixedly connected to the lower portion of the left portion of the lever 9, and when the supporting mechanism is closed, the lever spring 8 is in a compressed state and can support the left end of the lever 9.
The supporting connecting rod A1 is the longest one of the three supporting connecting rods, and the movable end of the supporting connecting rod A1 is provided with a locking mechanism which is used for locking and matching with the locking mechanism of the lever 9; the locking mechanism adopts a buckle: the movable end is provided with the quarter butt of a perpendicular to support connecting rod A1 and fixedly connected with buckle, and the position when the buckle that sets up the quarter butt is the buckle of adjustment support connecting rod A1 and lever 9 guarantees that two buckles can accurate chucking. The movable end is used for locking and matching with one end of the lever 9 or abutting against the ground, and the other end of the supporting connecting rod A1 is rotatably connected to the side surface of the supporting base 12.
The folding connecting rod assembly comprises a supporting connecting rod B2, a supporting connecting rod C4, a sliding sleeve 5, a sleeve spring 6, a supporting connecting rod B limiting ring 3 and a supporting connecting rod C limiting ring 7. The supporting base 12 is a main structure of the whole unfolding supporting mechanism, a supporting rod is arranged at the top of the supporting base 12 and used for rotatably connecting the lever 9, two connecting ends used for rotatably connecting are arranged on the side face of the supporting base 12 and respectively provided with two convex connecting heads, the connecting head at the upper part is used for rotatably connecting the supporting connecting rod C4, and the connecting head at the lower part is used for rotatably connecting the supporting connecting rod A1. The side is the side on which the lever 9 is located on the support base 12.
Support link B2 one end is rotated and is connected support link A1, and the tie point is close to support link A1 and is provided with the one end of buckle, and the other end is rotated and is connected support link C4, is provided with support link B spacing ring 3 with support link C4's junction department.
One end of the support connecting rod C4 is rotatably connected with the support connecting rod B2, the other end of the support connecting rod C4 is rotatably connected with the side surface of the support base 12, a support connecting rod C limiting ring 7 is arranged at the connecting end of the support connecting rod C4 and the support base 12, the sleeve spring 6 and the sliding sleeve 5 are sleeved on the support connecting rod C4, and the sleeve spring 6 is positioned between the support connecting rod C limiting ring 7 and the sliding sleeve 5.
When the mechanism is closed, the folding linkage assembly is in a folded state, the sleeve spring 6 is in a compressed state, and the support link B2 and the support link C4 are in a V shape. The support link a1 is in locking engagement with one end of the lever 9.
When the mechanism is unfolded, the unfolding steering engine 11 starts to drive the steering engine crank 10 to deflect, the steering engine crank 10 lifts the right side of the lever 9, the lever spring 8 is further compressed on the left side of the lever 9, a buckle of the support connecting rod A1 is unhooked from a buckle of the lever 9, the buckle end of the support connecting rod A1 starts to rotate anticlockwise, the sliding sleeve 5 on the support connecting rod C4 starts to move towards the support connecting rod B2 under the pushing of the sleeve spring 6, when the buckle end of the support connecting rod A1 is abutted against the ground, the buckle end of the support connecting rod A1 is flush with the support base 12, the unfolding process of the support mechanism is finished, the support connecting rod B2 and the support connecting rod C4 are in a straight line, the sliding sleeve 5 stops moving under the action of the limit ring 3 of the support connecting rod B, and the sliding sleeve 5 is limited at the rotary connection position of the support connecting rod B2 and the support connecting rod C4 at the moment, and the rotary freedom degree of the rotary connection is limited.
A plurality of these mechanisms of installation can be simultaneously in aircraft model bottom when in actual use, and a plurality of mechanisms expand simultaneously during the landing, and the area of contact of aircraft model and ground when expanding the completion back can greatly increased landing can effectually prevent accidents such as the emergence of turning on one's side when the aircraft lands.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A small-sized expansion type supporting mechanism is characterized in that the supporting mechanism comprises a connecting rod, a folding connecting rod assembly, a supporting base, a lever, a supporting piece and a power mechanism;
the power mechanism is fixedly connected with the top of the supporting base;
the middle part of the lever is rotationally connected above the supporting base, one end of the lever is in locking fit with the connecting rod, and the other end of the lever is provided with rotational acting force by the power mechanism;
one end of the connecting rod is rotatably connected to the side face of one side where the supporting base lever is located, and the other end of the connecting rod is a movable end and is used for being in locking fit with one end of the lever or abutting against the ground; the folding connecting rod assembly is rotatably connected between the side surface of the supporting base and the connecting rod; when the connecting rod is in locking fit with one end of the lever, the folding connecting rod component is in a folding state; under the rotating acting force provided by the power mechanism, the connecting rod and the lever are unlocked, and when the folding connecting rod assembly is unfolded to be in a linear state, the movable end of the connecting rod is abutted against the ground.
2. The compact unfolding support mechanism of claim 1 wherein said support base is fixedly attached at a top end thereof to a support rod, an end of said support rod being adapted to pivotally attach to said lever.
3. The compact unfolding support mechanism of claim 2 wherein said lever and link lock mating end is fitted with a locking mechanism.
4. The compact deployment support mechanism of claim 3, wherein the link movable end is fitted with a locking mechanism for locking engagement with a locking mechanism of the lever.
5. The compact unfolding support mechanism of claim 4 wherein said lever locking mechanism and said link locking mechanism are both snap-fit.
6. The small-sized unfolded support mechanism according to claim 3, wherein the power mechanism is composed of an unfolding steering engine and a steering engine crank, and the steering engine crank is in interference fit with the unfolding steering engine; the end part of the crank of the steering engine is used for contacting one end of the lever departing from the locking mechanism.
7. The compact deployment support mechanism of any of claims 1-6, wherein the folding linkage assembly is comprised of a support link B, a support link C, a sliding sleeve, a sleeve spring, a support link B retaining ring, and a support link C retaining ring;
the connecting rod is a supporting connecting rod A, one end of the supporting connecting rod B is rotatably connected with the supporting connecting rod A, the other end of the supporting connecting rod B is rotatably connected with one end of the supporting connecting rod C, and a limiting ring of the supporting connecting rod B is arranged at the end part of the rotating connecting end of the supporting connecting rod B and the supporting connecting rod C;
the other end of the support connecting rod C is rotatably connected to the side face of the support base, and a limit ring of the support connecting rod C is arranged at the rotating connection end of the support connecting rod C and the support base;
the sleeve spring and the sliding sleeve are sleeved on the support connecting rod C, and the sleeve spring is positioned between the limiting ring of the support connecting rod C and the sliding sleeve;
when the folding connecting rod component is in a folding state, the sleeve spring is in a compression state; when the supporting connecting rod B and the supporting connecting rod C are in a straight line, the sliding sleeve is positioned at the rotating connection position of the supporting connecting rod B and the supporting connecting rod C and is limited by the limiting ring of the supporting connecting rod B.
8. The compact deployment support mechanism of any one of claims 1-6, wherein the support member is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122298401.8U CN216834252U (en) | 2021-09-22 | 2021-09-22 | Small-size expansion supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122298401.8U CN216834252U (en) | 2021-09-22 | 2021-09-22 | Small-size expansion supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216834252U true CN216834252U (en) | 2022-06-28 |
Family
ID=82081794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122298401.8U Active CN216834252U (en) | 2021-09-22 | 2021-09-22 | Small-size expansion supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216834252U (en) |
-
2021
- 2021-09-22 CN CN202122298401.8U patent/CN216834252U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4720063A (en) | Main landing gear with variable length drag brace | |
| EP3335988B1 (en) | Non-jamming shrink latch assembly for retractable aircraft landing gear | |
| EP3354564B1 (en) | Single axle, semi-levered landing gear with shortening mechanism | |
| CA1113070A (en) | Deployable wing mechanism | |
| CN106477027B (en) | Three-position aircraft tail sled mechanism and actuation method | |
| US6334730B1 (en) | Telescopic rod for opening a mobile cowl, in particular of an aircraft engine bay | |
| US20130299633A1 (en) | Landing gear for an aircraft | |
| US2661171A (en) | Up and down lock mechanism for retractable landing gear for aircraft | |
| KR20130006599A (en) | Semi-levered landing gear and associated method | |
| US11242136B2 (en) | Method of moving an aircraft undercarriage between a deployed position and a retracted position | |
| CN111114754B (en) | Locking mechanism and folding airfoil with same | |
| US11932379B2 (en) | Folding trailing arm landing gear | |
| CN216834252U (en) | Small-size expansion supporting mechanism | |
| CA2413595C (en) | Helicopter undercarriage | |
| US20170001124A1 (en) | Prompt drop device for remote control model airplane and remote control model airplane | |
| US2505652A (en) | Tail wheel actuated arresting hook | |
| CN113148119A (en) | Retractable undercarriage structure of long-endurance large-wingspan unmanned aerial vehicle | |
| JP2524831Y2 (en) | Wing lock / deployment device | |
| JP2007230352A (en) | Landing gear of aircraft | |
| JP2007237934A (en) | Aircraft leg | |
| CN107380406B (en) | Aircraft backplate allies oneself with disconnected mechanism | |
| CN108100237B (en) | Novel aircraft backplate allies oneself with disconnected mechanism | |
| US2516345A (en) | Landing gear for aircraft | |
| SU64546A1 (en) | Airplane Crutch | |
| JPS647000B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |