CN218022200U - Parachute and unmanned aerial vehicle - Google Patents
Parachute and unmanned aerial vehicle Download PDFInfo
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- CN218022200U CN218022200U CN202222004162.5U CN202222004162U CN218022200U CN 218022200 U CN218022200 U CN 218022200U CN 202222004162 U CN202222004162 U CN 202222004162U CN 218022200 U CN218022200 U CN 218022200U
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Abstract
The utility model discloses a parachute and unmanned aerial vehicle. The parachute comprises a parachute box, a parachute and a quick opening device, and the parachute is folded and placed in the parachute box. The quick opening device comprises a base, a quick discharge valve assembly, a gas cylinder, a piston assembly and a traction rope; the quick-discharge valve assembly comprises a valve body and a valve needle; the valve body is provided with a valve needle channel, an air inlet channel and an air outlet channel; the gas inlet channel and the gas outlet channel are respectively communicated with the valve needle channel; the valve needle is arranged in the valve needle channel to separate the air inlet channel from the air outlet channel; the gas cylinder is arranged on the gas inlet channel; the piston assembly comprises a piston pipe and a piston; one end of the hauling cable is fixed on the piston, and the other end of the hauling cable is fixed on the parachute; the valve needle slides in the valve needle channel to communicate the air inlet channel with the air outlet channel, and the high pressure in the air bottle ejects the piston through the air pipe to pull the parachute to eject from the parachute box and open. The utility model discloses in guarantee to pop out the parachute and inflate the expansion fast in the very short time to reduce its transportation and the danger of preserving.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle field, concretely relates to parachute and unmanned aerial vehicle.
Background
When unmanned aerial vehicle takes place to lose emergency such as control, lose power, structural damage, the parachute can guarantee effectively that unmanned aerial vehicle does not injure ground personnel and facility when falling. General unmanned aerial vehicle flying height is lower, and the unmanned aerial vehicle that the common guide parachute open mode can't guarantee that the low latitude falls slows down to safe speed before falling to the ground, and common parachute ejection scheme uses gunpowder or gaseous medicament that takes place as power, and its flammable and explosive nature improves unmanned aerial vehicle's transportation and the danger of depositing and corresponding improvement cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a parachute, can solve one or more among the above-mentioned technical problem.
In order to achieve the above object, the present invention provides the following technical solutions:
a parachute comprises a parachute box, a parachute and a quick opening device, wherein the parachute is placed in the parachute box in a folded mode, and the quick opening device is installed on the parachute box and used for quickly starting the parachute.
The quick starting device comprises a base, a quick-discharge valve assembly, a gas cylinder, a piston assembly and a traction rope;
the quick-release valve assembly comprises a valve body and a valve needle; the valve body is provided with a valve needle channel, an air inlet channel and an air outlet channel; the air inlet channel and the air outlet channel are respectively communicated with the valve needle channel; the valve needle is arranged in the valve needle channel to separate the air inlet channel from the air outlet channel;
the gas cylinder is arranged on the gas inlet channel;
the piston assembly comprises a piston tube and a piston; the piston tube is arranged on the air outlet channel, the piston is fixed in the piston tube,
one end of the traction rope is fixed on the piston, and the other end of the traction rope is fixed on the parachute;
the valve needle slides in the valve needle channel to enable the air inlet channel to be communicated with the air outlet channel, and the piston is ejected out by the high pressure in the air cylinder through the air pipe to pull the parachute to be ejected out of the parachute box and opened.
Further: a first sealing structure and a second sealing structure are arranged in the valve needle channel,
the first sealing structure comprises a sealing ring and an annular groove, the annular groove is formed in the valve needle, the sealing ring is embedded into the annular groove, and the sealing ring is tangent to the valve needle channel; the second sealing structure is the same as the first sealing structure;
the first sealing structure is invalid when the air inlet channel and the air outlet channel are communicated;
the second sealing structure always keeps effective sealing.
Further: the valve needle channel comprises a first-stage channel and a second-stage channel, and the diameter of the first-stage channel is smaller than that of the second-stage channel; the first sealing structure is arranged in the first-stage channel, and the second sealing structure is arranged in the second-stage channel; the valve needle comprises a first-stage valve needle and a second-stage valve needle, the first sealing structure is arranged on the first-stage valve needle, and the first-stage valve needle is positioned in the first-stage channel; the second seal structure is disposed on a second-stage needle that is positioned within the second-stage passage.
Further: the quick-discharge valve assembly further comprises a valve rod, a valve rod pin and a steering engine;
one end of the valve rod is rotatably arranged on the valve body, and the other end of the valve rod is fixed by the valve rod pin, so that the middle part of the valve rod is blocked at the tail end of the valve needle channel to abut against the valve needle; and the valve rod pin is arranged on a rotating shaft of the steering engine.
Further: the valve body is provided with a safety bolt, the valve rod is provided with a safety hole, and the safety bolt is inserted into the safety hole to enable the valve rod to be static relative to the valve body.
Further: the base is provided with a limiting block, and the limiting block is installed behind the opening direction of the valve rod.
Further: the air inlet channel is vertically arranged above the valve needle channel and comprises a first air inlet and a first air outlet;
the air outlet channel is arranged on the side surface of the valve needle channel and comprises a second air inlet and a second air outlet;
the first air inlet and the second air outlet are positioned on the same side of the valve body.
Further: the gas cylinder comprises a gas cylinder body, a charging port, a pressure gauge and a gas release port; the inflation inlet and the air release opening are respectively arranged at the upper end and the lower end of the gas cylinder body, and the pressure gauge is arranged at one end of the inflation inlet.
The utility model discloses a further aim at provides an unmanned aerial vehicle, the utility model provides a technical scheme as follows:
an unmanned aerial vehicle, includes the parachute of any one of the above-mentioned.
The technical effects of the utility model are that:
the utility model discloses well adoption compressed air power's parachute ejection system guarantees to pop out the parachute and inflate the expansion fast in the time of the utmost point weak point to reduce its transportation and the danger of preserving.
The utility model discloses whole volume is small, light in weight, and the security is high. Can be used on equipment such as high altitude construction, unmanned aerial vehicle.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention.
In the drawings:
fig. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 isbase:Sub>A schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the piston of FIG. 2;
FIG. 4 is a schematic view of the quick-start device of FIG. 1;
FIG. 5 is an exploded schematic view of the structure of FIG. 3;
FIG. 6 is a schematic view of a quick release valve assembly;
FIG. 7 is a schematic front view of the structure of FIG. 6;
FIG. 8 is a schematic top view of the structure of FIG. 6;
FIG. 9 is a schematic illustration of the exploded structure of FIG. 6;
FIG. 10 is a schematic cross-sectional view of C-C of FIG. 6;
FIG. 11 is a schematic sectional view of the structure of FIG. 6B-B;
FIG. 12 is a schematic view of the valve needle of FIG. 11 with the valve needle removed;
wherein the figures include the following reference numerals:
the parachute box 100, the parachute 200, the quick opening device 300, the base 301 and the limiting block 3011;
a quick release valve assembly 302, a valve body 3021;
a valve needle 3022, a first sealing structure 30221, a second sealing structure 30222;
a needle passage 3023, a first-stage passage 30231, a second-stage passage 30232;
an inlet channel 3024, an outlet channel 3025;
a valve rod pin 3027, a steering engine 3028, and a safety bolt 3029;
the gas cylinder 303, a gas cylinder body 3031, a gas charging port 3032, a pressure gauge 3033, a gas discharging port 3034 and a gas charging needle 3035;
a piston assembly 304, a piston tube 3041, a piston 3042, a piston bottom 30421, a connecting tube 30422, and a traction head 30423.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only intended to explain the invention, but not to limit the invention in a proper manner.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 4, the parachute includes a parachute box 100, a parachute 200, and a quick-opening device 300.
The parachute 200 is folded and placed in the case 100, and the quick-opening device 300 is installed on the case for quick-opening the parachute 200.
The quick-opening device 300 comprises a base 301, a quick-release valve assembly 302, a gas cylinder 303, a piston assembly 304 and a traction rope.
The quick-release valve assembly 302 comprises a valve body 3021 and a valve needle 3022; the valve body 3021 is provided with a valve needle passage 3023, an inlet passage 3024, and an outlet passage 3025.
The inlet passage 3024 and the outlet passage 3025 are respectively communicated with the valve needle passage 3024; the valve needle 3022 is mounted in the valve needle passage 3023 to separate the inlet passage 3024 from the outlet passage 3025;
the gas cylinder 303 is mounted on the intake passage 3024.
The piston assembly 304 comprises a piston tube, a piston; a piston tube 3041, a piston 3042; the piston pipe 3041 is mounted on the air outlet passage 3025, and the piston 3042 is fixed inside the piston pipe 3041.
As shown in fig. 3, the piston 3042 includes a pulling head 30423, a piston bottom 30421, and a connecting pipe 30422, where the pulling head and the piston bottom are located at the upper and lower ends of the connecting pipe, a groove is formed on the pulling head for connecting a pulling rope, and the piston bottom is made of nylon, and the groove is coated with grease to seal an air outlet channel, so as to ensure that the piston always maintains a high pressure during the process of ejecting the piston tube.
One end of the pulling rope is fixed to the piston 3042, and the other end of the pulling rope is fixed to the parachute 200.
The valve needle 3022 slides in the valve needle passage 3023 to communicate the air inlet passage 3024 and the air outlet passage 3025, and the high pressure in the gas cylinder 303 ejects the piston 3042 through the air pipe 3041 to pull the parachute 200 to be ejected from the parachute box 100 and open.
The working mode of the device is as follows:
1. filling high-pressure air into the air bottle;
2. the quick-release component is started, the valve needle is pushed by high-pressure air, the air inlet channel is communicated with the air outlet channel, the high-pressure air enters the air outlet channel from the air inlet channel through the valve needle channel and then is discharged into the air pipe, and the piston at the top of the air pipe is driven by the high-pressure air to emit upwards at a high speed and take the parachute out of the umbrella box through the traction rope.
Although the high-pressure gas cylinder is adopted as power, the high-pressure gas cylinder does not inflate the parachute itself to open the parachute, but pushes the piston to eject and pull the parachute to leave the parachute box to open, and the parachute is quickly, safely and reliably started; the gas cylinder can be inflated circularly, and the whole device can be recycled.
In the starting process of the gas cylinder pushing piston, a quick-release valve assembly is arranged to enable the gas cylinder to be started more safely.
The starting of the valve needle is set according to the actual situation, the telescopic rod is connected to the tail end of the valve needle to actively pull the valve needle, so that the valve needle slides in the valve needle channel to release high-pressure gas in the gas cylinder; the valve may also be opened by disposing a blocking member at the tail end of the valve needle channel, and opening the blocking member allows the high-pressure gas in the gas cylinder to push the valve needle to slide in the valve needle channel, which is not limited herein.
Here, the specific shape of the valve body is not limited, and may be a circle, a square, or other shapes according to the actual installation space.
In certain embodiments: the needle passage 3023 houses a first seal structure 30221 and a second seal structure 30222. The first sealing structure comprises a sealing ring and an annular groove, the annular groove is formed in the valve needle 3022, the sealing ring is embedded into the annular groove, and the sealing ring is tangent to the valve needle channel.
The second seal structure is the same as the first seal structure. The first sealing structure is invalid when the air inlet channel and the air outlet channel are communicated; the second sealing structure always keeps effective sealing.
The second sealing structure is located in the valve needle channel at all times, and the first sealing structure allows the air inlet channel and the air outlet channel to be communicated with each other along with the sliding of the valve needle in the valve needle channel.
The second sealing structure 30222 is located in the needle passage 3023, and can be ensured by a limiting structure, for example, the length of the needle passage, or by a stopper outside the needle passage to limit the sliding distance of the needle and ensure the sealing effect of the second sealing structure; the specific structure is not limited.
In certain embodiments: the valve needle passage 3023 includes a first-stage passage 30231 and a second-stage passage 30232, the first-stage passage 30231 having a smaller diameter than the second-stage passage 30232.
The first seal structure 30221 is disposed in the first stage passage and the second seal structure 30222 is disposed in the second stage passage; the valve needle comprises a first-stage valve needle and a second-stage valve needle, the first sealing structure is arranged on the first-stage valve needle, and the first-stage valve needle is positioned in the first-stage channel; the second seal arrangement is disposed on a second stage needle that is located within the second stage passage.
The valve needle channel is arranged into a two-stage structure with different diameters, the diameter of the first-stage channel is small for the first sealing structure to be matched, and the diameter of the second-stage channel is large for the second sealing structure to be matched; first seal structure can sealed effect by effectual assurance in the path passageway.
As shown in fig. 5, a specific structure of valve needle actuation is disclosed in some embodiments: the quick exhaust valve assembly 302 further includes a valve stem 3026, a valve stem pin 3027, and a steering engine 3028.
One end of the valve rod 3026 is rotatably mounted on the valve body 3021, and the other end of the valve rod 3026 is fixed by the valve rod pin 3027 (the valve rod pin 3027 is inserted into the pin hole 30262 on the valve rod), so that the middle of the valve rod 3026 is plugged at the tail end of the valve needle channel 3023 to abut against the valve needle 3022; the valve rod pin 3027 is installed on the rotating shaft of the steering engine 3028.
The valve rod is arranged outside the valve needle channel to realize passive sliding of the valve needle, the valve rod is released, then the high-pressure gas pushes the valve needle to slide from the first sealing structure to the second sealing structure, the valve is completely opened, quick exhaust is realized, and the whole process is safer and more reliable. Meanwhile, the opening position of the valve can be adjusted through the position of the valve rod pin, flexible adjustment is carried out according to the operation space, and the operation space can be more compact.
The opening mode of the valve rod pin 3027 is not limited, and a steering engine is preferably used; the mounting position of the steering engine and the opening direction of the valve rod pin are flexibly adjusted according to the actual space condition, and the steering engine can be opened vertically or horizontally or in other directions; depending on the opening direction, a link, a cam, or the like may be used as a power transmission transition member.
In addition, the opening power of the valve rod pin can be electric, hydraulic, pneumatic and the like, and the valve rod pin can be adjusted according to actual needs without limitation.
In some embodiments, a safety device is added: a safety plug 3029 is arranged on the valve body, a safety hole 30261 is arranged on the valve rod 3026, and the safety plug 3029 is inserted into the safety hole 30261 to make the valve rod 3026 still relative to the valve body 3021.
Before the quick-release valve assembly is used, the safety device is removed, and then the quick-release valve assembly starts to work, so that the use safety is further ensured.
In certain embodiments: a limiting block 3011 is arranged on the base 301, and the limiting block 3011 is installed behind the opening direction of the valve rod 3026.
In addition, the limiting block can be replaced by a spring, and the same limiting block can be arranged at the rotary connection position of the valve rod and the valve body to ensure the opening angle of the spring between the valve rod and the valve body without limitation.
In certain embodiments: the air inlet channel is vertically arranged above the valve needle channel and comprises a first air inlet and a first air outlet;
the air outlet channel is arranged on the side surface of the valve needle channel and comprises a second air inlet and a second air outlet;
the first air inlet and the second air outlet are positioned on the same side of the valve body.
After the arrangement, the gas cylinder and the piston assembly are positioned at the same side of the valve body, so that the space can be reasonably utilized; and the assembly and maintenance are convenient.
In addition, the positions of the air inlets and the air outlets of the channels can be adjusted according to the requirements of actual assembly space, and are not limited herein.
In certain embodiments: the gas cylinder 303 comprises a gas cylinder body 3031, a gas charging port 3032, a pressure gauge 3033 and a gas leakage port 3034; the inflation inlet 3032 and the air leakage inlet 3034 are respectively arranged at the upper end and the lower end of the gas cylinder body 3031, and the pressure gauge 3033 is arranged at one end of the inflation inlet.
The inflation inlet 3032 uses an inflation needle 3035 during inflation, and the inflation needle 3035 is removed after the inflation is finished.
Therefore, the gas cylinder can be recycled, energy is saved, the environment is protected, and the cost is reduced.
An unmanned aerial vehicle, includes the parachute of any one of the above-mentioned.
This unmanned aerial vehicle has been equipped with the parachute of opening rapidly, uses more reliable safety.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (9)
1. A parachute comprises a parachute box, a parachute and a quick opening device, wherein the parachute is folded and placed in the parachute box, and the quick opening device is installed on the parachute box and used for quickly starting the parachute;
the method is characterized in that: the quick starting device comprises a base, a quick-discharge valve assembly, a gas cylinder, a piston assembly and a traction rope;
the quick-release valve assembly comprises a valve body and a valve needle; the valve body is provided with a valve needle channel, an air inlet channel and an air outlet channel; the air inlet channel and the air outlet channel are respectively communicated with the valve needle channel; the valve needle is arranged in the valve needle channel to separate the air inlet channel from the air outlet channel;
the gas cylinder is arranged on the gas inlet channel;
the piston assembly comprises a piston tube and a piston; the piston pipe is arranged on the air outlet channel, and the piston is fixed in the piston pipe;
one end of the traction rope is fixed on the piston, and the other end of the traction rope is fixed on the parachute;
the valve needle slides in the valve needle channel to enable the air inlet channel to be communicated with the air outlet channel, and the piston is ejected out to pull the parachute to be ejected out from the parachute box and opened through the air pipe under high pressure in the air bottle.
2. A parachute according to claim 1, wherein: the valve needle channel is internally provided with a first sealing structure and a second sealing structure,
the first sealing structure comprises a sealing ring and an annular groove, the annular groove is formed in the valve needle, the sealing ring is embedded into the annular groove, and the sealing ring is tangent to the valve needle channel; the second sealing structure is the same as the first sealing structure;
the first sealing structure is invalid when the air inlet channel and the air outlet channel are communicated;
the second sealing structure always keeps effective sealing.
3. A parachute according to claim 2, wherein: the valve needle channel comprises a first-stage channel and a second-stage channel, and the diameter of the first-stage channel is smaller than that of the second-stage channel; the first sealing structure is arranged in the first-stage channel, and the second sealing structure is arranged in the second-stage channel; the valve needle comprises a first-stage valve needle and a second-stage valve needle, the first sealing structure is arranged on the first-stage valve needle, and the first-stage valve needle is positioned in the first-stage channel; the second seal structure is disposed on a second-stage needle that is positioned within the second-stage passage.
4. A parachute according to claim 1, wherein: the quick-discharge valve assembly further comprises a valve rod, a valve rod pin and a steering engine;
one end of the valve rod is rotatably arranged on the valve body, and the other end of the valve rod is fixed by the valve rod pin, so that the middle part of the valve rod is blocked at the tail end of the valve needle channel to be abutted against the valve needle; and the valve rod pin is arranged on a rotating shaft of the steering engine.
5. A parachute according to claim 4, wherein: the safety plug is arranged on the valve body, the valve rod is provided with a safety hole, and the safety plug is inserted into the safety hole to enable the valve rod to be static relative to the valve body.
6. A parachute according to claim 4, wherein: the limiting block is arranged on the base and is installed behind the opening direction of the valve rod.
7. A parachute according to claim 1, wherein: the air inlet channel is vertically arranged above the valve needle channel and comprises a first air inlet and a first air outlet;
the air outlet channel is arranged on the side surface of the valve needle channel and comprises a second air inlet and a second air outlet;
the first air inlet and the second air outlet are positioned on the same side of the valve body.
8. A parachute according to claim 1, wherein: the gas cylinder comprises a gas cylinder body, a charging port, a pressure gauge and a gas release port; the inflation inlet and the air release opening are respectively arranged at the upper end and the lower end of the gas cylinder body, and the pressure gauge is arranged at one end of the inflation inlet.
9. An unmanned aerial vehicle, its characterized in that: comprising a parachute as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222004162.5U CN218022200U (en) | 2022-08-01 | 2022-08-01 | Parachute and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222004162.5U CN218022200U (en) | 2022-08-01 | 2022-08-01 | Parachute and unmanned aerial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN218022200U true CN218022200U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222004162.5U Active CN218022200U (en) | 2022-08-01 | 2022-08-01 | Parachute and unmanned aerial vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN218022200U (en) |
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2022
- 2022-08-01 CN CN202222004162.5U patent/CN218022200U/en active Active
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