CN210881562U - Foldable storage aerocar with storable duct - Google Patents
Foldable storage aerocar with storable duct Download PDFInfo
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- CN210881562U CN210881562U CN201921678538.2U CN201921678538U CN210881562U CN 210881562 U CN210881562 U CN 210881562U CN 201921678538 U CN201921678538 U CN 201921678538U CN 210881562 U CN210881562 U CN 210881562U
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- stowable
- culvert ring
- culvert
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Abstract
The utility model relates to an aircraft/hovercar technical field, in particular to aircraft/hovercar's duct. A stowable duct comprising: a left half culvert ring and a right half culvert ring; the left half culvert ring and the right half culvert ring are spliced to form a complete culvert; when half duct circle on a left side and half duct circle on a right side are not fixed connection, half duct circle on a left side and half duct circle on a right side can stack from top to bottom and accomodate. The utility model provides a duct that can overturn reduces the restriction of complete machine overall dimension to the duct size, satisfying under the condition that is not more than complete machine overall dimension, can increase the duct size, and bigger duct can produce bigger lift, has improved pneumatic performance. The duct reduces the transportation degree of difficulty after folding and accomodating, is showing reduction cost of transportation. The utility model discloses still reduce the size of die sinking, reduce the processing degree of difficulty. The utility model also discloses a collapsible hovercar of accomodating, this hovercar install the duct that can accomodate.
Description
Technical Field
The utility model relates to an aircraft/hovercar technical field, in particular to aircraft/hovercar's duct.
Background
When designing an aircraft or a flying automobile, especially when the diameter of the designed propeller disc is large, more and more people can design an adaptive ducted ring on the basis of an open propeller. The paddle point portion of screw is restricted by the duct, and the impact noise reduces, and induced resistance reduces, and power efficiency can improve, also can make the paddle not directly expose outside simultaneously, the protection personal safety.
And along with the improvement of dynamic requirement, the diameter of the pulp disc is increased, the external dimension of the adaptive ducted ring is correspondingly increased, and the corresponding processing difficulty and cost are also obviously increased. The diameter of the ducted ring is required to be reduced if more ducted rings are required to be arranged, so that the diameter of the paddle disk is reduced, and effective lift cannot be provided. If the diameter of the ducted ring is increased, the number of the arranged propellers is reduced, and the overall lift force is also influenced; meanwhile, the too large ducted loop may cause inconvenience in the transportation of the aircraft or hovercar and increase the transportation cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: for solving the transportation difficulty of the large-size duct ring and the problem that the processing difficulty of the integrated into one piece is large, the foldable storage type hovercar with the duct is provided.
The utility model discloses a technical scheme is: a stowable duct comprising: a left half culvert ring and a right half culvert ring;
the left half culvert ring and the right half culvert ring are spliced to form a complete culvert; when half duct circle on a left side and half duct circle on a right side are not fixed connection, half duct circle on a left side and half duct circle on a right side can stack from top to bottom and accomodate.
The left half culvert ring and the right half culvert ring can be stacked in a turnover or direct stacking mode. When the overturning form is adopted, the left half culvert ring and the right half culvert ring can be overturned through the overturning mechanism to form a vertically stacked state; furthermore, after the left half culvert ring and the right half culvert ring are stacked up from top to bottom, the left half culvert ring and the right half culvert ring can be locked in position through the locking structure, so that the culvert is kept in a storage folding state.
On the basis of the scheme, in order to reduce the size of the opened mold of the duct, improve the processing precision and reduce the processing difficulty, the left half duct ring is equally or unequally divided into more than two local duct radian sections along the circumferential direction; the radian sections of the local culvert can form a left half culvert ring through assembly; the structure of the right half culvert ring is the same as that of the left half culvert ring, and the right half culvert ring is also formed by assembling more than two local culvert radian sections.
Specifically, outer lips are arranged at the upper edge and the lower edge of the radian section of the local duct; flanges are arranged at the left edge and the right edge of the radian section of the local duct; and adjacent local culvert radian sections are fixedly connected by using flanges. The connecting pieces can be adopted for connection, namely the flanges are provided with connecting holes; adjacent local duct radian sections are detachably connected through connecting pieces penetrating through the connecting holes.
On the basis of the scheme, furthermore, if the span of the single local duct radian section is large, a longitudinal supporting plate can be arranged on the local duct radian section, is positioned between the left flanging and the right flanging, and is less than or equal to the height of the local duct radian section. The backup pad can play the effect of strengthening rib, has increaseed duct structure bulk strength, can suitably reduce duct wall thickness simultaneously.
On the basis of the scheme, further, in order to reduce the whole weight of the duct and reduce energy consumption, the support plate and the flanging can be designed into a hollow structure.
When the left half culvert ring and the right half culvert ring adopt the specific structural form, after the left half culvert ring and the right half culvert ring are stacked up and down, the locking rod can be utilized to sequentially penetrate through the outer lip of the left half culvert ring and the outer lip of the right half culvert ring at the stacking position, and the locking rod is utilized to lock the outer lip. Thereby realizing the position locking of the left half culvert ring and the right half culvert ring.
Because the outer lip of the left half culvert ring and the outer lip of the right half culvert ring are of arc structures, a gap can be formed between the two when the two are stacked; therefore, on the basis of the locking mode, a fixing sleeve is further additionally arranged, the fixing sleeve is arranged in a gap at the stacking position, and two ends of the fixing sleeve are abutted against the outer lip of the left half culvert ring and the outer lip of the right half culvert ring; the locking pole passes outer lip, fixed cover, the outer lip of half right duct circle of half left duct circle of department of stacking in proper order to utilize the locking piece locking.
The outer lip of the adjacent local culvert radian section at the splicing position of the left half culvert ring and the right half culvert ring is provided with a turning support, and the two turning supports are connected through a rotating shaft; that is, the turnover mechanism comprises: a turning bracket and a rotating shaft.
The utility model discloses a another technical scheme is: a stowable flying automobile comprising: the above-described stowable duct, travel unit and truss structure; the truss structure is installed on the unit of traveling, and the duct is installed on the truss structure.
When the hovercar enters a ground driving state, in order to reduce the overall dimension of the hovercar and improve the road surface trafficability characteristic, the ducts are stored, and the left half duct ring and the right half duct ring are kept in a vertically stacked state after being stored.
Further, the running unit is a vehicle chassis, including: frame, wheel, suspension, etc. The truss structure is mounted on the frame.
Further, the ducts are symmetrically arranged at the front and rear sides or the left and right sides of the truss structure, and each side can be provided with the ducts separately or side by side.
Furthermore, multilayer ducts can be arranged along the height direction of the truss structure, and the turning and folding of the ducts between the upper and lower layers of ducts are not affected.
Has the advantages that: the utility model provides a duct that can overturn reduces the restriction of complete machine overall dimension to the duct size, satisfying under the condition that is not more than complete machine overall dimension, can increase the duct size, and bigger duct can produce bigger lift, has improved pneumatic performance. The duct reduces the transportation degree of difficulty after folding and accomodating, is showing reduction cost of transportation. The utility model discloses still reduce the size of die sinking, reduce the processing degree of difficulty.
When the flying automobile with the retractable duct executes an aerial flying task, the left half duct ring and the right half duct ring form a complete duct, and when the flying automobile executes a ground task, the left half duct ring and the right half duct ring are switched to be in an up-and-down stacked state, so that the road surface trafficability is improved, the space is saved, and the traveling task is better completed.
Drawings
Fig. 1 is a schematic structural view of the duct of the present invention in an expanded state;
fig. 2 is a schematic structural view of the duct of the present invention in a turning state;
FIG. 3 is a schematic structural view of a radian segment of a local duct in the present invention;
fig. 4 is a schematic structural view of the locking structure of the present invention;
fig. 5 is a schematic structural view of the turnover mechanism of the present invention;
fig. 6 is a schematic view of the duct of the hovercar of the present invention in an expanded state;
fig. 7 is a schematic view of a duct in a turning state on the hovercar of the present invention;
in the figure: 1-left half culvert ring, 11-local culvert radian section, 111-outer lip, 112-flanging, 113-supporting plate, 114-connecting hole, 2-right half culvert ring, 3-locking structure, 31-fixing sleeve, 32-locking rod, 33-locking piece, 4-turnover mechanism, 41-turnover support, 42-rotating shaft, 5-culvert, 6-driving unit and 7-truss structure.
Detailed Description
Example 1, referring to figures 1 and 2, a stowable duct comprises: a left half culvert ring 1 and a right half culvert ring 2;
the left half culvert ring 1 and the right half culvert ring 2 are spliced to form a complete culvert 5; when needs accomodate the duct, fixed connection is relieved with half duct circle 2 on the left side, and half duct circle 1 on the left side and half duct circle 2 on the right side can be accomodate with the mode that upset or direct pile put, and half duct circle 1 on the left side and half duct circle 2 on the right side stack the state about accomodating.
In this example, the left half bypass ring 1 and the right half bypass ring 2 are housed in an inverted manner. The upper ends of the left half culvert ring 1 and the right half culvert ring 2 are provided with a turnover mechanism 4, and the upper parts of the left half culvert ring 1 and the right half culvert ring 2 can be abutted when the left half culvert ring 1 is turned clockwise or the right half culvert ring 2 is turned anticlockwise; if the turnover mechanism 4 is arranged at the lower ends of the left half culvert ring 1 and the right half culvert ring 2, the left half culvert ring 1 is turned over anticlockwise or the right half culvert ring 2 is turned over clockwise.
After stacking, the left half culvert ring 1 and the right half culvert ring 2 are locked in position through the locking structure 3, so that the culvert 5 is kept in a folded state; the locking structure 3 is provided at least at one location.
Duct 5 divide into half duct circle 1 on the left and half duct circle 2 on the right and fold and accomodate, can show reduction cost of transportation, reduces the transportation degree of difficulty simultaneously. Because the size of the duct 5 can be halved by folding, the restriction of the overall size of the whole machine on the size of the duct 5 is reduced, the size of the duct 5 can be increased under the condition that the size of the duct is not more than the overall size of the whole machine, the duct 5 with larger size can generate larger lift force, and the pneumatic performance is improved.
In embodiment 2, referring to fig. 3, on the basis of embodiment 1, in order to further reduce the size of the mold opening of the duct 5, improve the processing precision and reduce the processing difficulty, the left half duct ring 1 is equally or unequally divided into more than two local duct arc segments 11 with proper number along the circumferential direction; the local culvert radian section 11 can adopt one or more structural specifications, and can form a complete left half culvert ring 1 through simple assembly.
The structure of the right half culvert ring 2 is the same as that of the left half culvert ring 1, and the right half culvert ring is also formed by assembling more than two local culvert radian sections 11.
In this example, the upper and lower edges of the local duct arc section 11 are provided with outer lips 111; the left edge and the right edge of the local duct radian section 11 are provided with flanges 112; the flange 112 is provided with a connecting hole 114; the adjacent local duct arc sections 11 are detachably connected by a connecting piece passing through the connecting hole 114.
If the span of the single local duct radian section 11 is large, a longitudinal support plate 113 can be arranged on the local duct radian section 11, the support plate 113 is positioned between the left and right flanges 112, and the height is less than or equal to the height of the local duct radian section 11; in this example, the height of the supporting plate 113 is equal to the height of the local ducted arc section 11, and the supporting plate extends axially to be arranged in the middle of the local ducted arc section 11; the supporting plate 113 plays a role of a reinforcing rib, so that the overall strength of the structure of the duct 5 is enhanced, and meanwhile, the wall thickness of the duct 5 can be properly reduced.
In order to reduce the overall weight of the duct 5 and reduce energy consumption, the support plate 113 and the turned-over edge 112 may be designed as hollow structures.
Because the outer lip 111 of the left half culvert ring 1 and the outer lip 111 of the right half culvert ring 2 are arc-shaped structures, a gap can be formed between the two when the two are stacked; therefore, on the basis of the locking mode, a fixing sleeve 31 is further added, the fixing sleeve 31 is arranged in a gap at the stacking position, and two ends of the fixing sleeve 31 are abutted against the outer lip 111 of the left half culvert ring 1 and the outer lip 111 of the right half culvert ring 2; the locking rod 32 sequentially penetrates through the outer lip 111 of the left half culvert ring 1, the fixing sleeve 31 and the outer lip 111 of the right half culvert ring 2 at the stacking position, and is locked by the locking piece 33. At this time, the locking structure 3 specifically includes: a fixing sleeve 31, a locking rod 32 and a locking piece 33.
Referring to fig. 5, the outer lip 111 of the adjacent local duct radian section 11 at the joint of the left half duct ring 1 and the right half duct ring 2 is provided with two turning brackets 41, and the two turning brackets 41 are connected through a rotating shaft 42; that is, the turnover mechanism 4 includes: a flip bracket 41 and a rotation shaft 42.
Example 4, a stowable duct as in example 3, using the following design method:
A. the overall dimension of the duct 5 is determined by the characteristics of the blades, and the overall dimensions of the inner wall and the lip are designed.
B. Determining the size of the mould, and equally or unequally dividing the duct 5 into a proper number of local duct radian sections 11 along the circumferential direction according to the actual situation to form a modular design; the local duct radian sections 11 with two or more structural specifications can be matched and used in the same duct.
C. The outer wall of the local duct radian section 11 is added with a flange 112, the flanges 112 are arranged along the left side edge and the right side edge of the local duct radian section 11, and the flange 112 is provided with a connecting hole 114; the flange 112 may be a hollow structure.
E. If the span of a single local duct arc section 11 is large, a longitudinal support plate 113 is added to the local duct arc section 11, and the support plate 113 may be a hollow structure.
F. The adjacent local culvert radian sections 11 are detachably connected by connecting pieces such as bolts penetrating through the connecting holes 114 to form a left half culvert ring 1 and a right half culvert ring 2.
G. The outer lip 111 of the adjacent local duct radian section 11 at the joint of the left half duct ring 1 and the right half duct ring 2 is provided with turning supports 41, and the two turning supports 41 are connected through a rotating shaft 42.
H. The left half culvert ring 1 and the right half culvert ring 2 are further detachably connected by connecting pieces such as bolts and the like to form a closed circle to form a complete culvert 5.
I. After dismantling the connecting pieces such as bolts between the left half culvert ring 1 and the right half culvert ring 2, the left half culvert ring 1 and the right half culvert ring 2 can be turned over relatively, and after turning over, the two are in a vertical stacking state.
J. The fixing sleeve 31 is placed between the outer lip 111 of the left half culvert ring 1 and the outer lip 111 of the right half culvert ring 2 and is opposite to the position of the threaded hole, the locking rod 32 sequentially penetrates through the outer lip 111 of the left half culvert ring 1, the fixing sleeve 31 and the outer lip 111 of the right half culvert ring 2, and the locking rod 33 is used for locking.
in this example, the travel unit 6 is a vehicle chassis, comprising: frame, wheel, suspension, etc. The truss structure 7 is mounted on the frame.
The ducts 5 are symmetrically arranged on the front and rear sides or the left and right sides of the truss structure 7, and each side may be provided with the ducts 5 individually or side by side. Multilayer ducts 5 can also be arranged along the height direction of the truss structure 7, and the distance between the upper and lower ducts 5 does not influence the storage and stacking of the ducts 5.
When the hovercar enters a ground running state, the duct 5 can be folded and stored in order to reduce the overall dimension of the hovercar and improve the road surface trafficability. In this example, duct 5 adopts the upset mode to accomodate, and the concrete process is: after the fixed connection between the left half culvert ring 1 and the right half culvert ring 2 in the culvert 5 is released, the left half culvert ring 1 and the right half culvert ring 2 are relatively turned, after the turning, the left half culvert ring 1 and the right half culvert ring 2 are butted to form a vertically stacked state, finally, a locking structure 3 is arranged at the stacked position of the left half culvert ring 1 and the right half culvert ring 2, and the left half culvert ring 1 and the right half culvert ring 2 are kept to be vertically stacked.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (15)
1. A stowable duct, characterized in that it comprises: a left half culvert ring (1) and a right half culvert ring (2);
the left half culvert ring (1) and the right half culvert ring (2) are spliced to form a complete culvert (5); when the left half culvert ring (1) and the right half culvert ring (2) are not fixedly connected, the left half culvert ring (1) and the right half culvert ring (2) can be stacked up and down for storage.
2. A stowable duct according to claim 1, characterized in that: the left half-duct ring (1) is equally or unequally divided into more than two local duct radian sections (11) along the circumferential direction; the structure of the right half culvert ring (2) is the same as that of the left half culvert ring (1).
3. A stowable duct according to claim 2, characterized in that: the upper edge and the lower edge of the local duct radian section (11) are provided with outer lips (111); flanges (112) are arranged at the left edge and the right edge of the local duct radian section (11); the adjacent local duct radian sections (11) are fixedly connected through the turnups (112).
4. A stowable duct according to claim 3, characterized in that: the flanging (112) is provided with a connecting hole (114); the adjacent local duct arc sections (11) are detachably connected by a connecting piece passing through the connecting hole (114).
5. A stowable duct according to claim 3 or 4, characterized in that: the local duct radian section (11) is provided with a longitudinal supporting plate (113).
6. A stowable duct according to claim 5, characterized in that: the supporting plate (113) and the flanging (112) are both hollow structures.
7. A stowable duct according to claim 1 or 2, characterized in that: the left half culvert ring (1) and the right half culvert ring (2) are stacked up and down and then locked in position through a locking structure (3).
8. A stowable duct according to claim 3 or 4, characterized in that: half duct circle on a left side (1) with half duct circle on a right side (2) stack the back from top to bottom, utilize locking pole (32) to pass in proper order and stack the department the outer lip (111) of half duct circle on a left side (1), the outer lip (111) of half duct circle on a right side (2) to utilize locking piece (33) lock to die.
9. A stowable duct according to claim 8, characterized in that: after the left half culvert ring (1) and the right half culvert ring (2) are stacked up and down, a fixing sleeve (31) is arranged at the stacking position, and two ends of the fixing sleeve (31) are abutted against the outer lip (111) of the left half culvert ring (1) and the outer lip (111) of the right half culvert ring (2); locking pole (32) pass in proper order and stack the department outer lip (111) of half duct circle on the left side (1), fixed cover (31) outer lip (111) of half duct circle on the right side (2), and utilize locking piece (33) lock is died.
10. A stowable duct according to any one of claims 1 to 4, characterized in that: the left half culvert ring (1) and the right half culvert ring (2) are turned over through the turning mechanism (4) to form a vertical stacking state.
11. A stowable duct according to claim 10, characterized in that: half duct circle in a left side (1) with outer lip (111) department of adjacent local duct radian section (11) of half duct circle in a right side (2) concatenation department all is equipped with upset support (41), two upset support (41) are connected through pivot (42).
12. The utility model provides a foldable accommodation's hovercar which characterized in that: it includes: a stowable duct (5), a travelling unit (6) and a truss structure (7) according to any of claims 1-11; the truss structure (7) is mounted on the traveling unit (6), and the duct (5) is mounted on the truss structure (7).
13. A stowable flying automobile according to claim 12 wherein: the running unit (6) is a vehicle chassis.
14. A stowable flying vehicle according to claim 12 or claim 13 wherein: the ducts (5) are symmetrically arranged on the front and rear sides or the left and right sides of the truss structure (7).
15. A stowable flying automobile according to claim 14 wherein: a plurality of layers of the ducts (5) are arranged in the height direction of the truss structure (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921678538.2U CN210881562U (en) | 2019-10-09 | 2019-10-09 | Foldable storage aerocar with storable duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921678538.2U CN210881562U (en) | 2019-10-09 | 2019-10-09 | Foldable storage aerocar with storable duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210881562U true CN210881562U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921678538.2U Active CN210881562U (en) | 2019-10-09 | 2019-10-09 | Foldable storage aerocar with storable duct |
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| CN (1) | CN210881562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114852331A (en) * | 2022-06-15 | 2022-08-05 | 清华大学 | Manned flying automobile with form intelligence |
-
2019
- 2019-10-09 CN CN201921678538.2U patent/CN210881562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114852331A (en) * | 2022-06-15 | 2022-08-05 | 清华大学 | Manned flying automobile with form intelligence |
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