CN210479010U - Adjustable high-efficiency aerodynamic propeller - Google Patents
Adjustable high-efficiency aerodynamic propeller Download PDFInfo
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- CN210479010U CN210479010U CN201921168981.5U CN201921168981U CN210479010U CN 210479010 U CN210479010 U CN 210479010U CN 201921168981 U CN201921168981 U CN 201921168981U CN 210479010 U CN210479010 U CN 210479010U
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Abstract
The utility model belongs to the technical field of aircraft drive mechanism technique and specifically relates to a high-efficient aerodynamic force screw with adjustable, including transmission shaft, transmission case and screw blade, the inside central point of transmission case puts and has seted up circular shape assembly blind hole. The utility model discloses a high-efficient aerodynamic force screw is through adopting the transmission shaft with adjustable, the split type installation setting of transmission case and screw blade, make it pass through bolt fixed mounting at every part, the part of changing different specifications is dismantled as required at any time to the convenience, thereby can adjust its dynamic property, durability, material and noise, the expansion performance is strong, the later maintenance is also very convenient, utilize the assembly nut to revolve on external screw thread assembly pole simultaneously, outside positioning groove cover inserts the assembly firmness in the above-mentioned part with arc assembly strip on outside locating lever.
Description
Technical Field
The utility model belongs to the technical field of aircraft drive mechanism technique and specifically relates to a high-efficient aerodynamic screw with adjustable.
Background
The propeller is a device which rotates in the air or water by means of blades and converts the rotating power of an engine into propulsive force, and can be a propeller with two or more blades connected with a hub, wherein the backward surface of each blade is a spiral surface or a surface similar to the spiral surface. The propellers are divided into a plurality of types and are widely applied, such as propellers of aircrafts and ships. Most structures of the propellers for the airplane on the market are fixed, the structure and the specification can not be adjusted and replaced once being produced, so that the dynamic property, the durability, the material and the noise control of the propellers can not be adjusted and replaced in the later period, the playability is very limited in expansion, and the later maintenance is troublesome.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems existing in the background technology, the improved adjustable efficient aerodynamic propeller is provided, and the problems that most of propellers used for airplanes on the market are fixed in structure, the structure and the specification cannot be adjusted and replaced once being produced, the dynamic property, the durability, the material and the noise of the propeller cannot be adjusted and replaced at the later stage, the playability is very limited in expansion, and the later maintenance is troublesome are solved.
The utility model provides a technical scheme that its technical problem adopted is: an adjustable high-efficiency aerodynamic propeller comprises a transmission shaft, a transmission seat and propeller blades, wherein a circular assembly blind hole is formed in the center position inside the transmission seat, a plurality of lateral assembly through holes communicated with the interior of the assembly blind hole are formed in the outer side surface of the transmission seat, a circular accommodating groove is formed in the inner side surface of each lateral assembly through hole, which is positioned close to the opening end of the corresponding assembly blind hole, an arc-shaped assembly groove is formed in the end, close to the transmission seat, of each propeller blade, two symmetrically arranged external thread assembly rods are fixedly connected to the arc-shaped surface inside the arc-shaped assembly groove, an integrated structure external positioning rod arranged in an annular matrix is fixedly connected to the outer side surface of each lateral assembly through hole, an external positioning groove matched with the external positioning rod is formed in the middle end of the arc-shaped surface inside the arc-shaped assembly groove, and the propeller blades are sleeved on the, the propeller blade insert through the external screw thread assembly pole correspond the position side direction assembly through-hole inside be connected with the transmission case, circular storage inslot portion peg graft and have regular hexagon assembly nut, the transmission case pass through the assembly nut and revolve on the external screw thread assembly pole with propeller blade fixed connection.
Further, in order to improve the support performance of two sides, two ends of the outer side surface of the propeller blade are provided with lateral strengthening brackets.
Furthermore, in order to facilitate limiting, a plurality of arc-shaped telescopic grooves with arc-shaped assembling strips arranged inside are formed in the outer side face of the transmission shaft, arc-shaped limiting grooves communicated with the inside of the circular accommodating groove are formed in the arc-shaped face of the inner side of the assembling blind hole, and the arc-shaped assembling strips are inserted into the arc-shaped limiting grooves to control the assembling nuts to keep the angle fixed.
Furthermore, in order to facilitate installation and adjustment, an external through hole with a built-in fastening bolt is formed in the position, corresponding to the arc-shaped limiting groove, of the outer side surface of the transmission seat, and a built-in screw hole matched with the fastening bolt is formed in the arc-shaped assembling strip.
Further, in order to improve the external installation stability, the inside size of the external positioning groove is the same as the outside size of the external positioning rod.
Further, in order to improve the assembling stability, the external thread assembling rod comprises a smooth section positioned inside the lateral assembling through hole and an external thread connecting section positioned inside the circular accommodating groove.
The beneficial effects of the utility model are that, the utility model discloses a high-efficient aerodynamic force screw with adjustable is through adopting the transmission shaft, the split type installation setting of transmission case and screw blade, make it pass through bolt fixed mounting at every part, the part of changing different specifications is dismantled as required at any time to the convenience, thereby can adjust its dynamic property, durability, material and noise, the expansion performance is strong, later maintenance is also very convenient, utilize the assembly nut to revolve on external screw thread assembly pole simultaneously, outside positioning groove cover inserts the assembly firmness in the above-mentioned part with arc assembly strip on outside locating lever.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the interior of the transmission housing of the present invention.
In the drawing, the propeller comprises a transmission shaft 1, a transmission seat 2, a propeller blade 3, an assembly blind hole 4, a lateral assembly through hole 5, a circular containing groove 6, an arc assembly groove 7, an external thread assembly rod 8, an external positioning rod 9, an external positioning groove 10, an assembly nut 11, a lateral reinforcing support 12, an arc assembly strip 13, an arc telescopic groove 14, an arc limiting groove 15, a fastening bolt 16, an external through hole 17 and an internal screw hole 18.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
FIG. 1 and FIG. 2 show an adjustable high-efficiency aerodynamic propeller, which comprises a transmission shaft 1, a transmission seat 2 and propeller blades 3, wherein a circular assembly blind hole 4 is formed at the center position inside the transmission seat 2, 6 lateral assembly through holes 5 communicated with the inside of the assembly blind hole 4 are formed on the outer side surface of the transmission seat 2, a circular accommodating groove 6 is formed at the opening end of the inner side surface of each lateral assembly through hole 5, which is close to the opening end of the assembly blind hole 4, an arc-shaped assembly groove 7 is formed at the connecting end of each propeller blade 3, two symmetrically arranged external thread assembly rods 8 are fixedly connected to the arc-shaped surface inside the arc-shaped assembly groove 7, an integrated structure external positioning rod 9 arranged in an annular matrix is fixedly connected to one side of the lateral assembly through hole 5, and an external positioning groove 10 matched with the external positioning rod 9 is formed at, screw blade 3 pegs graft mutually with 2 lateral surfaces of transmission seat on outside locating lever 9 through outside constant head tank 10 cover, and screw blade 3 inserts through external screw thread assembly pole 8 and corresponds 5 inside and transmission seat 2 of position side direction assembly through-hole and be connected, and circular 6 inside pegs graft of accomodating groove has regular hexagon assembly nut 11, and transmission seat 2 revolves on external screw thread assembly pole 8 through assembly nut 11 with 3 fixed connection of screw blade.
Further, in order to improve the support performance on two sides, both ends of the outer side surface of the propeller blade 3 are provided with lateral reinforcing brackets 12, further, in order to facilitate limiting, the outer side surface of the transmission shaft 1 is provided with 3 arc-shaped telescopic grooves 14 with built-in arc-shaped assembling strips 13, the arc-shaped surface on the inner side of the assembling blind hole 4 is provided with an arc-shaped limiting groove 15 communicated with the inside of the circular accommodating groove 6, the arc-shaped assembling strips 13 are inserted into the arc-shaped limiting groove 15 to control the assembling screw cap 11 to keep the angle fixed, further, in order to facilitate installation and adjustment, the outer side surface of the transmission seat 2 is provided with external through holes 17 with built-in fastening bolts 16 corresponding to the positions of the arc-shaped limiting groove 15, the arc-shaped assembling strips 13 are provided with built-in screw holes 18 matched with the fastening bolts 16, the fastening bolts 16, the position of the transmission shaft 1 is kept fixed, meanwhile, the assembly nut 11 in the circular accommodating groove 6 is limited, because the arc-shaped assembly strip 13 is inserted into the circular accommodating groove 6, the rotating space of the assembly nut 11 is shielded, so that the assembly nut cannot rotate, further, in order to improve the external installation stability, the internal size of the external positioning groove 10 is the same as the external size of the external positioning rod 9, further, in order to improve the assembly stability, the external thread assembly rod 8 comprises a smooth section positioned in the lateral assembly through hole 5 and an external thread connecting section positioned in the circular accommodating groove 6, the utility model discloses a propeller with adjustable high-efficiency aerodynamic force is arranged by adopting the split type installation of the transmission shaft 1, the transmission seat 2 and the propeller blades 3, so that the propeller is fixedly installed on each part through bolts, and is convenient to disassemble and replace parts with different specifications at any time according to needs, thereby can adjust its dynamic property, durability, material and noise, expand the performance strong, later maintenance is also very convenient, utilizes assembly nut 11 to revolve on external screw thread assembly pole 8 simultaneously, outside constant head tank 10 cover is inserted the assembly firmness in the arc spacing groove 15 and promotes above-mentioned part on outside locating lever 9 with arc assembly strip 13.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a high-efficient aerodynamic propeller with adjustable, includes transmission shaft (1), transmission seat (2) and screw blade (3), characterized by: the transmission seat is characterized in that a round assembly blind hole (4) is formed in the center of the inner part of the transmission seat (2), a plurality of lateral assembly through holes (5) communicated with the inner part of the assembly blind hole (4) are formed in the outer side surface of the transmission seat (2), a round accommodating groove (6) is formed in the inner side surface of each lateral assembly through hole (5) and is positioned at the opening end close to the assembly blind hole (4), an arc-shaped assembly groove (7) is formed in the connecting end of each propeller blade (3) close to the transmission seat (2), two symmetrically-arranged external thread assembly rods (8) are fixedly connected to the inner side arc surface of each arc-shaped assembly groove (7), an integral-structure external positioning rod (9) arranged in an annular matrix is fixedly connected to one side of the lateral assembly through holes (5), and an external positioning groove (10) matched with the external positioning rod (9) is formed in the middle end of the, screw blade (3) peg graft mutually with transmission seat (2) lateral surface on outside locating lever (9) through outside constant head tank (10) cover, screw blade (3) insert through external screw thread assembly pole (8) and correspond position side direction assembly through-hole (5) inside and be connected with transmission seat (2), circular groove (6) of accomodating inside peg graft and have regular hexagon assembly nut (11), transmission seat (2) through assembly nut (11) revolve on external screw thread assembly pole (8) with screw blade (3) fixed connection.
2. The adjustable high efficiency aerodynamic propeller as claimed in claim 1, wherein: and lateral reinforcing brackets (12) are arranged at two ends of the outer side surface of the propeller blade (3).
3. The adjustable high efficiency aerodynamic propeller as claimed in claim 1, wherein: the outer side surface of the transmission shaft (1) is provided with a plurality of arc-shaped telescopic grooves (14) internally provided with arc-shaped assembling strips (13), the arc-shaped surface on the inner side of the assembling blind hole (4) is provided with arc-shaped limiting grooves (15) communicated with the inside of the circular accommodating groove (6), and the arc-shaped assembling strips (13) are kept at fixed angles by inserting arc-shaped limiting grooves (15) to control assembling nuts (11) inside.
4. A highly efficient aerodynamic propeller with adjustable as set forth in claim 3, characterized in that: the outer side surface of the transmission seat (2) is provided with an external through hole (17) with a built-in fastening bolt (16) corresponding to the arc-shaped limiting groove (15), and the arc-shaped assembling strip (13) is provided with a built-in screw hole (18) matched with the fastening bolt (16).
5. The adjustable high efficiency aerodynamic propeller as claimed in claim 1, wherein: the inside size of outside constant head tank (10) and outside locating lever (9) the same.
6. The adjustable high efficiency aerodynamic propeller as claimed in claim 1, wherein: the external thread assembling rod (8) comprises a smooth section positioned inside the lateral assembling through hole (5) and an external thread connecting section positioned inside the circular accommodating groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168981.5U CN210479010U (en) | 2019-07-23 | 2019-07-23 | Adjustable high-efficiency aerodynamic propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168981.5U CN210479010U (en) | 2019-07-23 | 2019-07-23 | Adjustable high-efficiency aerodynamic propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210479010U true CN210479010U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921168981.5U Active CN210479010U (en) | 2019-07-23 | 2019-07-23 | Adjustable high-efficiency aerodynamic propeller |
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| CN (1) | CN210479010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356542A (en) * | 2019-07-23 | 2019-10-22 | 安徽卓尔航空科技有限公司 | One kind having adjustable high-efficiency aerodynamic force propeller |
-
2019
- 2019-07-23 CN CN201921168981.5U patent/CN210479010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356542A (en) * | 2019-07-23 | 2019-10-22 | 安徽卓尔航空科技有限公司 | One kind having adjustable high-efficiency aerodynamic force propeller |
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