CN211663477U - Locking mechanism and portable unmanned aerial vehicle launching cradle guide rail - Google Patents

Abstract

The utility model belongs to unmanned aerial vehicle emitter, it is big, the transportation is inconvenient for solving ejection system weight that current pneumatic-hydraulic hybrid launches and pneumatic ejection, causes time and human cost extravagant, and even the launching cradle of current unmanned aerial vehicle catapult can fold also can't thoroughly realize portable technical problem. The utility model provides a locking mechanism and a portable unmanned aerial vehicle ejection rack guide rail, the locking mechanism comprises a bolt, a second fixed block, a first fixed block, a movable block, a locking rod and a rotating block which are coaxially arranged; the bolt penetrates through the through hole in the first fixed block along the axis to be in threaded connection with the movable block, and the tail end of the movable block is provided with a locking platform; in a locking state, one end of the locking rod is matched with the locking platform in a buckling manner; the other end of the locking rod is hinged with the rotating block; the rotating block is hinged with the second fixed block; the first fixing block and the second fixing block are respectively fixed on the two to-be-connected components. The ejection rack guide rail is formed by connecting adjacent guide rail bodies into a whole through the locking mechanism.

Description

Locking mechanism and portable unmanned aerial vehicle launching cradle guide rail

Technical Field

The utility model belongs to unmanned aerial vehicle emitter, concretely relates to locking mechanism and portable unmanned aerial vehicle launching cradle guide rail.

Background

Currently, unmanned aerial vehicles have become an indispensable piece of equipment in a plurality of industries and are playing an increasingly important role. As an important component unit of the unmanned aerial vehicle system, the ejection system is gradually developed into independent equipment which is not limited by site conditions and has good adaptability. Launching the unmanned aerial vehicle by using the catapult begins at the beginning of the 20 th century, and the launching modes of the common unmanned aerial vehicle are as follows: rubber band ejection, rocket boosting ejection, gas-liquid pressure hybrid ejection, air pressure ejection and the like.

Although the traditional rubber band catapult has small volume and light weight, the catapult weight is limited, and the rubber band is easy to age, so the traditional rubber band catapult is not popularized. The rocket boosting ejection causes air environment pollution, the controllability of powder explosion is poor, the launching cost is high, and the rocket boosting ejection is not popularized except for being used in a few specific occasions. The air-hydraulic hybrid power ejection and the air-pressure ejection are novel unmanned aerial vehicle launching modes, the structural composition and the working principle of the two ejection devices are basically the same, the two ejection devices generally comprise a navigation device, a support, a pulley, a buffer, a pulley, a rope and a pneumatic assembly, the system needs to be inflated firstly before the ejection, after a preset air pressure value is reached, the inflation is stopped, a safety pin is removed, a release mechanism is opened, the pulley is released, the whole ejection system is a whole, the weight is large, the transportation is inconvenient, the moving and the erection and the withdrawing processes are inconvenient on the site, and the great waste of time and labor cost is caused.

Chinese patent with application number CN2030642050U discloses "an unmanned aerial vehicle catapult", the guide rail of this catapult is connected through two relative I-steel and mounting, collapsible to two sections, but fundamentally does not realize the portability of catapult body, though reduced vertical dimension space after folding, but the guide rail spare still links together through the connecting piece, the horizontal dimension space has also been increased simultaneously, if the number of sections increases, the advantage of folding mode of accomodating is more indisputable to embody, even take apart the segmentation and accomodate, also need to twist out the screw one by one, the work load has been increaseed in the invisibility.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve and be arranged in the gas-hydraulic pressure hybrid to launch among the prior art and launch system weight big, transportation inconvenience in the gas-hydraulic pressure ejection, cause time and the very big waste of human cost, and the launching cradle of current unmanned aerial vehicle catapult even can fold also can't thoroughly realize portable technical problem, provide a locking mechanism and portable unmanned aerial vehicle launching cradle and lead.

In order to achieve the above object, the utility model provides a following technical scheme:

a locking mechanism is characterized by comprising a bolt, a second fixed block, a first fixed block, a movable block, a locking rod and a rotating block which are coaxially arranged;

the bolt penetrates through the through hole in the first fixed block along the axis and is in threaded connection with the movable block, and the tail end of the movable block is provided with a locking platform; in a locking state, one end of the locking rod is matched with the locking platform in a buckling manner; the other end of the locking rod is hinged with the rotating block; the rotating block is hinged with the second fixed block; the first fixing block and the second fixing block are respectively fixed on the two to-be-connected components.

Furthermore, the movable block is of a U-shaped structure, the locking platform is arranged at the opening of the movable block, and the bolt is connected to the bottom of the movable block; the second fixed block includes first mounting and the second mounting that sets up along axial bilateral symmetry, the front portion of turning block is U type structure, and first mounting and second mounting are articulated with the open end of turning block respectively, and the one end of locking lever articulates inside the open end of turning block.

Furthermore, the first fixing piece and the second fixing piece are hinged with the opening end of the rotating block through pin shafts respectively; one end of the locking rod is hinged inside the opening end of the rotating block through a pin shaft.

Furthermore, the bottom cover of bolt is equipped with the nut, and the interior bottom of movable block contacts with the nut.

Further, a spring is sleeved outside the bolt between the first fixed block and the movable block.

A portable unmanned aerial vehicle ejection rack guide rail is characterized by comprising the locking mechanism and a plurality of sections of guide rail bodies which are arranged in sequence; the first fixing block and the second fixing block are respectively fixed on the adjacent two sections of guide rail bodies.

Furthermore, two adjacent sections of guide rail bodies are connected through two sets of locking mechanisms, a first fixed block and a second fixed block of one set of locking mechanism are respectively fixed on the upper bottom surfaces of the two adjacent sections of guide rail bodies, and a first fixed block and a second fixed block of the other set of locking mechanism are respectively fixed on the lower bottom surfaces of the two adjacent sections of guide rail bodies.

Furthermore, sleeves are sleeved inside two ends of the guide rail body, the sleeves are fixed in the guide rail body, limiting holes are formed in the end face of the guide rail body, limiting columns are arranged on the end faces of adjacent guide rail bodies in positions corresponding to the limiting holes, and the limiting holes are matched with the limiting columns; the sleeve end surfaces of the adjacent guide rail bodies are abutted.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a locking mechanism can be used for two split types to treat that connection of connecting piece is fixed, be fixed in two respectively first fixed block and second fixed block and treat on the connecting piece, when needing to carry out the locking and connect, make the lock bar take and put on the locking platform, it makes the movable block move towards the direction of keeping away from the lock bar to rotate the bolt, drive locking platform synchronous motion, make lock bar and locking platform accomplish the buckle, make the rotating block simultaneously, lock bar and movable block are located same straight line, reach the effect of mechanical locking, only need to realize through the rotation of bolt that the sectional type treats the quick connection and the dismantlement of connecting piece, simple structure and reliability are high, and convenient for maintenance, and reusability, no consumptive material and economic benefits are high.

2. The utility model discloses a movable block and turning block are U type structure to rationally set up locking pole and second fixed block, make structural connection compacter reasonable.

3. The utility model discloses a nut can play further locking effect to the pretension of bolt.

4. The utility model discloses a spring plays the effect of fine setting to the locking process.

5. The utility model discloses a portable unmanned aerial vehicle ejection rack guide rail, use foretell locking mechanism to be in the same place multistage guide rail body coupling, and is easy and simple to handle, install first fixed block and second fixed block on the guide rail surface in advance before the use, with other part pre-assembly, only need straining or separation locking pole during the use, adjusting bolt's elasticity degree can, buckle each other through locking pole and locking platform, then adjust the bolt that passes first fixed block and movable block, further increase the buckle dynamics, realize the connection locking of both ends guide rail body, during the dismantlement, only need carry out opposite operation, can separate two guide rail bodies, the fast-assembling quick-release between the guide rail body has been realized.

6. The utility model discloses respectively fix one set of locking means at the upper and lower surface of adjacent guide rail body, make the junction atress of adjacent guide rail body more even stable.

7. The utility model discloses a set up the sleeve pipe in the tip of the guide rail body to and the cooperation in gag lever post and spacing hole, guarantee between the adjacent guide rail body along the axial direction of perpendicular to not have the drunkenness, further ensure the stability and the fastness of connecting.

Drawings

Fig. 1 is an isometric view of a first embodiment of the present invention;

fig. 2 is a top view of the present invention in fig. 1;

fig. 3 is a cross-sectional view of the present invention in fig. 2 along the axial direction;

fig. 4 is a schematic diagram of the working process of the present invention (wherein, the dotted line shows the locked state, and the solid line shows the unlocked state).

Fig. 5 is a schematic view of an end structure of a guide rail body according to an embodiment of the present invention.

The device comprises a base, a first fixing block, a second fixing block, a movable block, a first fixing block, a second fixing block, a locking rod, a rotating block, a locking mechanism, a bolt, a locking platform, a spring, a nut, a guide rail body, a pin shaft, a sleeve, a guide rail body and a guide rail body, wherein the first fixing block is 1-a first fixing block, the movable block is 2-a second fixing block, the first fixing block is 301-a first fixing block, the second fixing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are not limitations of the present invention.

Example one

Referring to fig. 1 to 3, a locking mechanism 6 includes a bolt 7, a second fixed block 3, and a first fixed block 1, a movable block 2, a locking rod 4, and a rotating block 5 coaxially disposed; the bolt 7 sequentially penetrates through the first fixed block 1 and the movable block 2 along the axis, the bolt 7 is in threaded fit with the movable block 2, the bolt 7 penetrates through the first fixed block 1 and is not connected with the first fixed block 1, and a locking platform 8 is arranged at the tail end of the movable block 2; in a locking state, one end of the locking rod 4 is in snap fit with the locking platform 8; the movable block 2 is of a U-shaped structure, the locking platform 8 is arranged at an opening of the movable block 2, and the bolt 7 is connected to the bottom of the movable block 2; the second fixed block 3 comprises a first fixed block 301 and a second fixed block 302 which are symmetrically arranged along two axial sides, the front portion of the rotating block 5 is of a U-shaped structure, the first fixed block 301 and the second fixed block 302 are hinged to the open end of the rotating block 5 through a pin shaft 12, one end of the locking rod 4 is hinged to the inside of the open end of the rotating block 5 through the pin shaft 12, and the first fixed block 1 and the second fixed block 2 are fixed to two parts to be connected respectively. The bottom of the bolt 7 is sleeved with a nut 10, and the inner bottom of the movable block 2 is in contact with the nut 10. And a spring 9 is sleeved outside the bolt 7 between the first fixed block 1 and the movable block 2.

The other end of foretell lock pole 4 is articulated with turning block 5, turning block 5 also with second fixed block 3 articulated can, concrete position and articulated mode are not restricted, embodiment one only shows that a structure is more compact, arranges more reasonable mode, concrete can be adjusted according to the in-service use needs.

In one embodiment, the lower portion of the side surface of the locking platform 8 is an inclined surface, and a hook is arranged at one end of the locking rod 4, which is located at the locking platform 8, and the corresponding position of the hook is matched with the inclined surface of the locking platform 8. The locking rod 4 and the locking platform 8 can be buckled, and the specific buckling mode is not limited.

Example two

As shown in fig. 4, the portable unmanned aerial vehicle ejector rack guide rail comprises a locking mechanism 6 and a plurality of sections of guide rail bodies 11 arranged in sequence; the first fixing block 1 and the second fixing block 3 are respectively fixed on two adjacent sections of guide rail bodies 11.

EXAMPLE III

A portable unmanned aerial vehicle ejection rack guide rail comprises a locking mechanism 6 and a plurality of sections of guide rail bodies 11 which are arranged in sequence; two adjacent sections of guide rail bodies 11 are connected through two sets of locking mechanisms 6, a first fixed block 1 and a second fixed block 3 of one set of locking mechanisms 6 are respectively fixed on the upper bottom surfaces of the two adjacent sections of guide rail bodies 11, and a first fixed block 1 and a second fixed block 3 of the other set of locking mechanisms 6 are respectively fixed on the lower bottom surfaces of the two adjacent sections of guide rail bodies 11. And the upper bottom surface and the lower bottom surface of two adjacent sections of guide rail bodies 11 are respectively connected with a set of locking structure, so that the stress of the guide rail bodies is more balanced and stable, and the guide rail bodies are not easy to deform. The connection mode of each locking mechanism 6 and the adjacent two sections of the guide rail bodies 11 is shown in fig. 4.

As shown in fig. 5, when connecting the rail bodies 11, in order to ensure that the adjacent rail bodies 11 do not move in the direction perpendicular to the axial direction after being connected and to ensure firm installation, sleeves 13 are respectively sleeved inside both ends of the rail bodies 11, and the sleeves 13 can be fixed in the rail bodies 11 by inserting screws through the side surfaces of the rail bodies 11. The end face of each guide rail body 11 is provided with a limiting hole 15, a limiting column 14 is arranged on the end face of each adjacent guide rail body 11 corresponding to the limiting hole 15, after the adjacent guide rail bodies 11 are connected, the limiting columns 14 are inserted into the limiting holes 15 for limiting, and the end faces of the sleeves 13 of the adjacent guide rail bodies 11 are abutted.

As shown by a solid line in fig. 4, before installation and connection, the locking rod 4 and the rotating block 5 both form a certain angle with the guide rail body 11, and then the locking rod 4 is firstly rotated counterclockwise to be buckled with the locking platform 8 according to the direction shown by an arrow in fig. 4, and at this time, almost no acting force exists between the locking rod 4 and the rotating block; then, the bolt 7 is screwed clockwise, so that the movable block 2 moves slowly towards the first fixed block 1, the spring 9 between the movable block and the first fixed block plays a role in fine adjustment until the bolt 7 cannot rotate continuously, and then the bolt stops, and at the moment, the locking rod 4 and the locking table 8 are tightly buckled together. To keep the locking mechanism 6 in the locked state, the rotary block 5 is rotated clockwise in the direction shown in fig. 4 until the lower surface of the rotary block 5 comes into close contact with the upper surface of the rail body 11. At this time, the rotation axis of the lock lever 4, the rotation block 5, and the center of the engagement portion between the lock lever 4 and the lock table 8 are almost on the same straight line, so that a "mechanical dead point" is formed, and the lock mechanism 6 is in a locked state. And finally, the nut 10 is screwed clockwise and tightly attached to the inner wall of the movable block 2, so that the further anti-loosening effect is achieved on the jacking of the bolt 7.

When the guide rail body 11 is disassembled, the reverse operation is only needed: firstly, the rotating block 5 rotates anticlockwise, and after the rotating block leaves the surface of the guide rail body 11, the locking mechanism 6 is released from a mechanical dead point state; then, the nut 10 and the bolt 7 are rotated counterclockwise, so that the movable block 2 moves in the opposite direction to the first fixed block 1 until the locking rod 4 and the locking platform 8 are separated, and the locking rod 4 is rotated clockwise, so that the locking rod 4 and the locking platform 8 are completely separated. Any connection relation between the two end guide rail bodies 11 does not exist any more, and the two guide rail bodies 11 are disassembled and separated.

The above is only the embodiment of the present invention, and is not the limitation of the protection scope of the present invention, all the equivalent structure changes made in the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (8)

1. A locking mechanism is characterized in that: the device comprises a bolt (7), a second fixed block (3), a first fixed block (1), a movable block (2), a locking rod (4) and a rotating block (5) which are coaxially arranged;

the bolt (7) penetrates through a through hole in the first fixed block (1) along the axis and is in threaded connection with the movable block (2), and a locking platform (8) is arranged at the tail end of the movable block (2); in a locking state, one end of the locking rod (4) is in snap fit with the locking platform (8); the other end of the locking rod (4) is hinged with the rotating block (5); the rotating block (5) is hinged with the second fixed block (3); the first fixing block (1) and the second fixing block (3) are respectively fixed on the two to-be-connected pieces.

2. The lock mechanism of claim 1, wherein: the movable block (2) is of a U-shaped structure, the locking platform (8) is arranged at an opening of the movable block (2), and the bolt (7) is connected to the bottom of the movable block (2); second fixed block (3) are including first mounting (301) and second mounting (302) that set up along axial bilateral symmetry, the front portion of turning block (5) is U type structure, and first mounting (301) and second mounting (302) are articulated with the open end of turning block (5) respectively, and the one end of lock pole (4) is articulated inside the open end of turning block (5).

3. A locking mechanism as claimed in claim 2, wherein: the first fixing piece (301) and the second fixing piece (302) are hinged with the opening end of the rotating block (5) through a pin shaft (12) respectively; one end of the locking rod (4) is hinged inside the opening end of the rotating block (5) through a pin shaft (12).

4. A lock mechanism as claimed in claim 1, 2 or 3, wherein: the bottom of the bolt (7) is sleeved with a nut (10), and the inner bottom of the movable block (2) is in contact with the nut (10).

5. The lock mechanism of claim 4, wherein: and a spring (9) is sleeved outside the bolt (7) between the first fixed block (1) and the movable block (2).

6. The utility model provides a portable unmanned aerial vehicle launching cradle guide rail which characterized in that: comprising a locking mechanism (6) according to any one of claims 1 to 5, and a plurality of sections of sequentially arranged rail bodies (11); the first fixing block (1) and the second fixing block (3) are respectively fixed on two adjacent sections of guide rail bodies (11).

7. The portable unmanned aerial vehicle ejector rack guide of claim 6, wherein: two adjacent sections of guide rail bodies (11) are connected through two sets of locking mechanisms (6), a first fixed block (1) and a second fixed block (3) of one set of locking mechanism (6) are respectively fixed on the upper bottom surfaces of the two adjacent sections of guide rail bodies (11), and a first fixed block (1) and a second fixed block (3) of the other set of locking mechanism (6) are respectively fixed on the lower bottom surfaces of the two adjacent sections of guide rail bodies (11).

8. The portable unmanned aerial vehicle ejector rack guide of claim 7, wherein: the guide rail structure is characterized in that sleeve pipes (13) are sleeved inside two ends of the guide rail body (11), the sleeve pipes (13) are fixed in the guide rail body (11), a limiting hole (15) is formed in the end face of the guide rail body (11), a limiting column (14) is arranged on the end face of the adjacent guide rail body (11) corresponding to the limiting hole (15), and the limiting hole (15) is matched with the limiting column (14); the end surfaces of the sleeves (13) of the adjacent guide rail bodies (11) are abutted.

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