CN219192551U

CN219192551U - Unmanned aerial vehicle parachute ejection device

Info

Publication number: CN219192551U
Application number: CN202222727616.1U
Authority: CN
Inventors: 吴冬冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-06-16
Anticipated expiration: 2032-10-17

Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle parachute ejection device, which aims at the problems that the prior device uses compressed gas to open an upper cover through an air outlet pipeline, however, the air outlet pipeline is too many, so that the parachute opening is influenced, the parachute opening time is influenced, and the storage and the reset are convenient to use repeatedly after the use; according to the utility model, the carbon dioxide gas cylinder can be opened by impacting the carbon dioxide gas cylinder through the firing pin, and gas in the carbon dioxide gas cylinder enters the placing barrel through the L-shaped through hole, the first vent hole and the second vent hole, so that the parachute is opened quickly, and after the parachute is used, the parachute is convenient to reset for the next use, and can be reused.

Description

Unmanned aerial vehicle parachute ejection device

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle parachute ejection device.

Background

In recent years, along with popularization of unmanned aerial vehicle technology, more unmanned aerial vehicles are in daily life of people, however, due to some special conditions, accident of crash occurs to unmanned aerial vehicle, hidden danger is caused to unmanned aerial vehicle owners and ground pedestrian property safety, and a device capable of providing emergency parachute when unmanned aerial vehicle is out of control is needed.

Through retrieval, the patent with the publication of CN211391705U discloses an unmanned aerial vehicle parachute ejection device, the parachute opening speed of a parachute is greatly improved, the effect of instant parachute opening can be achieved, and therefore the protection effect is improved.

The device uses compressed gas to open the upper cover through the pipeline of giving vent to anger, and the pipeline of giving vent to anger too much, nevertheless can influence the parachute and open the time, and be convenient for accomodate the re-use that resets after using, to above-mentioned problem, the utility model file provides an unmanned aerial vehicle parachute catapulting device.

Disclosure of Invention

The utility model provides an unmanned aerial vehicle parachute ejection device, which solves the defects that in the prior art, compressed gas is used for opening an upper cover through an air outlet pipeline, however, too many air outlet pipelines can influence the opening of a parachute, influence the opening time of the parachute, and the device is convenient to store, reset and reuse after being used.

The utility model provides the following technical scheme:

an unmanned aerial vehicle parachute ejection device comprising:

the device comprises a shell, wherein the outer wall of the shell is fixedly connected with a mounting plate, the top of the mounting plate is fixedly connected with a placing barrel, the top of the placing barrel is hinged with a top cover, and the inner wall of the placing barrel is provided with a parachute;

the inner wall of the shell is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a connecting sleeve, the inner wall of the connecting sleeve is in threaded connection with a carbon dioxide gas cylinder, and the inner wall of the connecting sleeve is fixedly connected with a limiting ring for limiting the carbon dioxide gas cylinder;

the impact assembly is arranged on the inner wall of the bottom of the shell and used for poking the carbon dioxide cylinder.

In one possible design, the striking subassembly includes fixed sleeve of fixed connection at shell bottom inner wall, fixed sleeve's inner wall fixedly connected with solid fixed ring, fixed sleeve inner wall sliding connection has the firing pin, gu the top of firing pin passes solid fixed ring, the through-hole that uses with the firing pin cooperation is seted up to the bottom of fixed plate, the fixed cover of outer wall of firing pin is equipped with sealed pad, fixed sleeve's inner wall is equipped with first spring, the both ends of first spring are respectively with the opposite one side fixed connection of shell and firing pin.

In a possible design, fixed sleeve's one side fixedly connected with connecting plate, one side sliding connection of connecting plate has the rack, one side fixedly connected with motor of connecting plate, the fixed cover of output shaft of motor is equipped with the gear that uses with the rack cooperation, the outer wall of firing pin is equipped with the sliding block, the through-hole that uses with the sliding block cooperation is seted up to fixed sleeve's one side, one side fixedly connected with of rack and the arc piece that uses with the sliding block cooperation, one side fixedly connected with of connecting plate and the wedge that the sliding block cooperation was used, wedge and arc piece are crisscross each other.

In one possible design, the outer wall of the striker is provided with a connecting hole, the sliding block is arranged in the connecting hole, a second spring is arranged in the connecting hole, and two ends of the second spring are fixedly connected with one side opposite to the connecting hole and the sliding block respectively.

In one possible design, one side of the top cover is fixedly connected with an elastic clamping block, and one side of the placing barrel is fixedly connected with a fixing block matched with the elastic clamping block.

In one possible design, the top of the striker is provided with a plurality of L-shaped through holes, the outer wall of the connecting sleeve is provided with a plurality of first vent holes, and the bottom of the placement barrel is provided with a plurality of second vent holes.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

In the utility model, the motor is started, the motor can drive the rack to move through the rotation of the gear, and the rack drives the firing pin to descend through the arc-shaped block and the wedge-shaped block, so that the firing pin is driven to compress the first spring;

in the utility model, when the wedge-shaped block contacts the wedge-shaped block, the movement is stopped, a carbon dioxide gas cylinder is screwed into the connecting sleeve, and the parachute is placed in the placing barrel and sealed through the top cover;

in the utility model, when the unmanned aerial vehicle falls, a motor is started, the motor drives a rack to move downwards, a sliding block is driven to move downwards, and the sliding block starts to retract through the inclined plane of a wedge-shaped block until the sliding block is separated from an arc-shaped block;

according to the utility model, under the action force of the first spring, the firing pin is driven to pop up, the bottom of the fixed plate can be sealed through the sealing gasket, the firing pin punctures the carbon dioxide gas cylinder through the needle point, gas in the carbon dioxide gas cylinder enters the placing barrel through the L-shaped through hole, the first vent hole and the second vent hole, the parachute can be propped up together with the top cover, and the parachute can be opened;

according to the utility model, the motor is started to reversely rotate to drive the rack to move upwards, the striker is pushed to move downwards through the sleeve, the sliding block slides down below the arc block from the arc block, the motor is started to forwardly rotate to drive the sliding block to move downwards, the sliding block contacts the wedge block, and the parachute is stored and can be placed in the barrel to cover the top cover for the next use.

According to the utility model, the carbon dioxide gas cylinder can be opened by impacting the carbon dioxide gas cylinder through the firing pin, and gas in the carbon dioxide gas cylinder enters the placing barrel through the L-shaped through hole, the first vent hole and the second vent hole, so that the parachute is opened quickly, and after the parachute is used, the parachute is convenient to reset for the next use, and can be reused.

Drawings

Fig. 1 is a schematic three-dimensional structure of an unmanned aerial vehicle parachute ejection device according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional structure diagram of an unmanned aerial vehicle parachute ejection device according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a housing in the practice of the utility model;

FIG. 4 is a schematic view of an impact assembly in accordance with an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of portion A of FIG. 2;

FIG. 6 is an enlarged schematic view of portion B of FIG. 4;

fig. 7 is an enlarged schematic view of the portion C in fig. 4.

Reference numerals:

1. a housing; 2. a mounting plate; 3. placing a barrel; 4. a top cover; 5. a parachute; 6. a fixing plate; 7. a connecting sleeve; 8. a carbon dioxide cylinder; 9. a fixed sleeve; 10. a connecting plate; 11. a rack; 12. a motor; 13. a gear; 14. a striker; 15. a fixing ring; 16. a limiting ring; 17. a first vent hole; 18. a first spring; 19. a sealing gasket; 20. a second vent hole; 21. a fixed block; 22. an elastic clamping block; 23. a connection hole; 24. a sliding block; 25. wedge blocks; 26. an arc-shaped block; 27. a second spring; 28. l-shaped through holes.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1 and 2, an unmanned aerial vehicle parachute ejection device includes:

the parachute placing device comprises a shell 1, wherein an installing plate 2 is fixedly connected to the outer wall of the shell 1, a placing barrel 3 is fixedly connected to the top of the installing plate 2, a top cover 4 is hinged to the top of the placing barrel 3, and a parachute 5 is arranged on the inner wall of the placing barrel 3;

the inner wall of the shell 1 is fixedly connected with a fixed plate 6, the top of the fixed plate 6 is fixedly connected with a connecting sleeve 7, the inner wall of the connecting sleeve 7 is in threaded connection with a carbon dioxide gas cylinder 8, and the inner wall of the connecting sleeve 7 is fixedly connected with a limiting ring 16 for limiting the carbon dioxide gas cylinder 8;

the striking subassembly sets up the bottom inner wall at shell 1 and is used for poking broken carbon dioxide gas cylinder 8, can release the gas in the carbon dioxide gas cylinder 8 fast through striking subassembly in the above-mentioned technical scheme, makes its impact parachute 5, can open parachute 5 fast, the unmanned aerial vehicle protection of being convenient for falls to be convenient for change carbon dioxide gas cylinder 8, make it can used repeatedly.

Referring to fig. 3 and 4, the striking subassembly includes fixed sleeve 9 of fixed connection at shell 1 bottom inner wall, fixed sleeve 9's inner wall fixedly connected with solid fixed ring 15, gu fixed ring 15 and fixed sleeve 9's inner wall sliding connection have with the striker 14 that carbon dioxide gas cylinder 8 used, the through-hole that uses with striker 14 cooperation is seted up to the bottom of fixed plate 6, the fixed cover of the outer wall of striker 14 is equipped with sealing gasket 19, fixed sleeve 9's inner wall is equipped with first spring 18, the both ends of first spring 18 respectively with shell 1 and the opposite side fixed connection of striker 14, strike carbon dioxide gas cylinder 8 through striker 14 in the above-mentioned technical scheme, can release the gas in the carbon dioxide gas cylinder 8, through the setting of sealing gasket 19, be convenient for seal the bottom of fixed plate 6, prevent that gas from leaking from the bottom of fixed plate 6.

Example 2

Referring to fig. 3 and 4, the striking subassembly includes fixed sleeve 9 of fixed connection at shell 1 bottom inner wall, fixed sleeve 9's inner wall fixedly connected with solid fixed ring 15, fixed sleeve 9 inner wall sliding connection has firing pin 14, gu the top of firing pin 14 passes solid fixed ring 15, the through-hole that cooperates the use with firing pin 14 is seted up to the bottom of fixed plate 6, the fixed cover of outer wall of firing pin 14 is equipped with sealing gasket 19, fixed sleeve 9's inner wall is equipped with first spring 18, the both ends of first spring 18 respectively with shell 1 and firing pin 14's opposite one side fixed connection, the gas release in the carbon dioxide gas cylinder 8 can be given off through firing pin 14 striking carbon dioxide gas cylinder 8 in the above-mentioned technical scheme, through sealing gasket 19's setting, be convenient for seal the bottom of fixed plate 6, prevent that gas from leaking from the bottom of fixed plate 6.

Referring to fig. 3, fig. 4 and fig. 6, a connecting plate 10 is fixedly connected to one side of a fixing sleeve 9, a rack 11 is slidably connected to one side of the connecting plate 10, a motor 12 is fixedly connected to one side of the connecting plate 10, a gear 13 matched with the rack 11 is fixedly sleeved on an output shaft of the motor 12, a sliding block 24 is arranged on the outer wall of the striker 14, a through hole matched with the sliding block 24 is formed in one side of the fixing sleeve 9, an arc-shaped block 26 matched with the sliding block 24 is fixedly connected to one side of the rack 11, a wedge-shaped block 25 matched with the sliding block 24 is fixedly connected to one side of the connecting plate 10, the wedge-shaped block 25 and the arc-shaped block 26 are staggered with each other, the rack 11 can be driven to move through rotation of the gear 13 by the motor 12, the striker 14 is driven to descend by the arc-shaped block 26 and the wedge-shaped block 25, so that the striker 14 is driven to compress a first spring 18, and the sliding block 24 can be driven to be separated from the arc-shaped block 26 by the wedge-shaped block 25 to enable the striker 14 to quickly reset to strike the carbon dioxide gas cylinder 8.

Referring to fig. 4 and 6, a connecting hole 23 is formed in the outer wall of the striker 14, a sliding block 24 is arranged in the connecting hole 23, a second spring 27 is arranged in the connecting hole 23, two ends of the second spring 27 are fixedly connected with one side opposite to the connecting hole 23 and the sliding block 24 respectively, the sliding block 24 slides in the connecting hole 23 through the sliding block 24, the sliding block 24 is conveniently matched with an arc-shaped block 26 and a wedge-shaped block 25, and the sliding block 24 can be conveniently reset rapidly through acting force of the second spring 27.

Referring to fig. 1, 2 and 5, an elastic clamping block 22 is fixedly connected to one side of the top cover 4, a fixing block 21 matched with the elastic clamping block 22 is fixedly connected to one side of the placing barrel 3, and the top cover 4 can be fixed on the placing barrel 3 through the matching of the elastic clamping block 22 and the fixing block 21 in the technical scheme, so that the placing barrel 3 is convenient to seal, and gas is prevented from slowly leaking from the placing barrel 3.

Referring to fig. 2, 3 and 7, the top of the striker 14 is provided with a plurality of L-shaped through holes 28, the outer wall of the connecting sleeve 7 is provided with a plurality of first vent holes 17, the bottom of the placement barrel 3 is provided with a plurality of second vent holes 20, and in the above technical scheme, the setting of the L-shaped through holes 28, the first vent holes 17 and the second vent holes 20 is convenient for the gas to be introduced into the placement barrel 3, so that the parachute 5 can be opened quickly.

However, as is well known to those skilled in the art, the working principle and wiring method of the motor 12 are well known, and all of them are conventional means or common knowledge, and will not be described in detail herein, and any choice can be made by those skilled in the art according to their needs or convenience.

The working principle and the using flow of the technical scheme are as follows: when in use, the motor 12 is started, the motor 12 can drive the rack 11 to move through the rotation of the gear 13, the rack 11 drives the striker 14 to descend through the arc-shaped block 26 and the wedge-shaped block 25, so as to drive the striker 14 to compress the first spring 18, when the wedge-shaped block 25 contacts the wedge-shaped block 25, the movement is stopped, the carbon dioxide gas cylinder 8 is screwed into the connecting sleeve 7, the parachute 5 is placed in the placing barrel 3 and sealed through the top cover 4, when the unmanned aerial vehicle falls down, the motor 12 is started, the motor 12 drives the rack 11 to move downwards, drives the sliding block 24 to move downwards, the sliding block 24 starts to retract through the inclined plane of the wedge-shaped block 25 until the sliding block 24 is separated from the arc-shaped block 26, the striker 14 is driven to pop up under the action force of the first spring 18, the bottom of the fixed plate 6 can be sealed through the sealing gasket 19, the striker 14 pierces the carbon dioxide cylinder 8 through the needle point, gas in the carbon dioxide cylinder 8 enters the placing barrel 3 through the L-shaped through hole 28, the first vent hole 17 and the second vent hole 20, the parachute 5 can be pushed open together with the top cover 4, the parachute 5 can be opened, the use is completed, the starting motor 12 reversely rotates to drive the rack 11 to move upwards, the striker 14 is pushed by the sleeve to move downwards, the sliding block 24 slides from the arc-shaped block 26 below the arc-shaped block 26, the starting motor 12 is started to drive the sliding block 24 to move downwards in a forward rotation mode to contact the wedge-shaped block 25, and the parachute 5 is stored in the placing barrel 3 to cover the top cover 4 for the next use.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. An unmanned aerial vehicle parachute ejection device, characterized by comprising:

the parachute placement device comprises a shell (1), wherein the outer wall of the shell (1) is fixedly connected with a mounting plate (2), the top of the mounting plate (2) is fixedly connected with a placement barrel (3), the top of the placement barrel (3) is hinged with a top cover (4), and the inner wall of the placement barrel (3) is provided with a parachute (5);

the device is characterized in that a fixing plate (6) is fixedly connected to the inner wall of the shell (1), a connecting sleeve (7) is fixedly connected to the top of the fixing plate (6), a carbon dioxide gas cylinder (8) is connected to the inner wall of the connecting sleeve (7) in a threaded manner, and a limiting ring (16) used for limiting the carbon dioxide gas cylinder (8) is fixedly connected to the inner wall of the connecting sleeve (7);

the impact assembly is arranged on the inner wall of the bottom of the shell (1) and is used for poking the carbon dioxide cylinder (8).

2. The unmanned aerial vehicle parachute ejection device according to claim 1, wherein the impact assembly comprises a fixed sleeve (9) fixedly connected to the inner wall of the bottom of the casing (1), a fixed ring (15) is fixedly connected to the inner wall of the fixed sleeve (9), a firing pin (14) is slidably connected to the inner wall of the fixed sleeve (9), the top end of the firing pin (14) penetrates through the fixed ring (15), a through hole matched with the firing pin (14) is formed in the bottom of the fixed plate (6), a sealing gasket (19) is fixedly sleeved on the outer wall of the firing pin (14), a first spring (18) is arranged on the inner wall of the fixed sleeve (9), and two ends of the first spring (18) are fixedly connected to opposite sides of the casing (1) and the firing pin (14) respectively.

3. The unmanned aerial vehicle parachute ejection device according to claim 2, wherein one side of the fixed sleeve (9) is fixedly connected with a connecting plate (10), one side of the connecting plate (10) is connected with a rack (11) in a sliding manner, one side of the connecting plate (10) is fixedly connected with a motor (12), an output shaft of the motor (12) is fixedly sleeved with a gear (13) matched with the rack (11), the outer wall of the firing pin (14) is provided with a sliding block (24), one side of the fixed sleeve (9) is provided with a through hole matched with the sliding block (24), one side of the rack (11) is fixedly connected with an arc-shaped block (26) matched with the sliding block (24), one side of the connecting plate (10) is fixedly connected with a wedge-shaped block (25) matched with the sliding block (24), and the wedge-shaped block (25) and the arc-shaped block (26) are mutually staggered.

4. An unmanned aerial vehicle parachute ejection device according to claim 3, wherein the outer wall of the firing pin (14) is provided with a connecting hole (23), one end of the sliding block (24) is arranged in the connecting hole (23), a second spring (27) is arranged in the connecting hole (23), and two ends of the second spring (27) are fixedly connected with one side opposite to the connecting hole (23) and the sliding block (24) respectively.

5. An unmanned aerial vehicle parachute ejection device according to any one of claims 1 to 4, wherein an elastic clamping block (22) is fixedly connected to one side of the top cover (4), and a fixing block (21) matched with the elastic clamping block (22) is fixedly connected to one side of the placing barrel (3).

6. An unmanned aerial vehicle parachute ejection device according to claim 2, wherein a plurality of L-shaped through holes (28) are formed in the top of the striker (14), a plurality of first vent holes (17) are formed in the outer wall of the connecting sleeve (7), and a plurality of second vent holes (20) are formed in the bottom of the placement barrel (3).