CN213057476U - Automatic telescopic machine arm - Google Patents
Automatic telescopic machine arm Download PDFInfo
- Publication number
- CN213057476U CN213057476U CN202021888407.XU CN202021888407U CN213057476U CN 213057476 U CN213057476 U CN 213057476U CN 202021888407 U CN202021888407 U CN 202021888407U CN 213057476 U CN213057476 U CN 213057476U
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- China
- Prior art keywords
- extension rod
- horn
- machine arm
- rod
- fixedly connected
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- Expired - Fee Related
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Abstract
The utility model discloses an automatic flexible horn, including motor, first movable block and second movable block, the output fixedly connected with of motor extends the screw rod, first screw thread through-hole has been seted up on the first movable block, second screw thread through-hole has been seted up on the second movable block. This be provided with the motor, extend the screw rod, first movable block, first screw thread through-hole, stop device and first horn extension rod, starter motor, the motor drives and extends the screw rod rotation, it is rotatory that the screw rod extends, first movable block passes through first screw thread through-hole and moves on extending the screw rod, thereby it moves on extending the screw rod to drive second horn extension rod, thereby realize the automatic flexible of horn, and the diameter of second horn extension rod is greater than the diameter of first horn extension rod, and the length of first horn extension rod and second horn extension rod equals, can overlap second horn extension rod on first horn extension rod, effectively reduce the area of horn, be convenient for receive and release.
Description
Technical Field
The utility model relates to an unmanned air vehicle technique field specifically is an automatic flexible horn.
Background
The related technology of the domestic and foreign unmanned aerial vehicles is rapidly developed, and the unmanned aerial vehicle has the characteristics of various types and wide application, so that the unmanned aerial vehicle has great differences in various aspects such as size, quality, range, time of flight, flight height, flight speed, tasks and the like. Due to the diversity of drones, there are different classification methods for different considerations: according to the classification of flight platform configuration, unmanned aerial vehicle can divide into fixed wing unmanned aerial vehicle, rotor unmanned aerial vehicle, unmanned dirigible, umbrella wing unmanned aerial vehicle, flapping wing unmanned aerial vehicle etc.. Categorised according to the usage, unmanned aerial vehicle can be divided into for military use unmanned aerial vehicle and civilian unmanned aerial vehicle.
Present unmanned aerial vehicle horn is current for fixed and the folded form, and fixed horn is stable but occupation space is too big be difficult for receive and release and transport, and the folded form is aluminum alloy or ABS plastics type, needs the manual work to go the operation, and storage efficiency is lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic flexible horn to solve the unmanned aerial vehicle horn on the existing market that above-mentioned background art provided and have now for fixed and folded form, fixed horn is stable but occupation space is too big difficult for receive and release and transport, and the folded form is aluminum alloy or ABS plastics type, needs the manual work to go the operation, accomodates the lower problem of efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic telescopic machine arm comprises a motor, a first moving block and a second moving block, wherein the output end of the motor is fixedly connected with an extension screw, the first moving block is provided with a first threaded through hole, a limiting device is fixedly connected above the first moving block, the limiting device is movably connected in an extension rod of the first machine arm, the upper part of the limiting device is fixedly connected in an extension rod of the second machine arm, wherein,
the second moving block is provided with a second threaded through hole and connected with a second machine arm extension rod through a limiting device, a fixed machine arm is fixedly connected to the side face of the second moving block, a screw seat is fixedly connected to the interior of the fixed machine arm, a placing cavity is formed in the fixed machine arm, and a limiting groove is formed in the second moving block.
Preferably, the length of the extension screw is greater than the lengths of the first boom extension rod and the second boom extension rod, the lengths of the first boom extension rod and the second boom extension rod are equal, and the length of the extension screw is the same as that of the screw seat.
Preferably, stop device, including leading to groove, slide rail, slider, limiting plate, connecting block, logical groove has been seted up on the first horn extension rod, lead to fixedly connected with slide rail on the inslot wall, the block is connected with the slider in the slide rail, the side fixedly connected with limiting plate of slider, the top fixedly connected with connecting block of limiting plate, the top fixed connection of connecting block is in second horn extension rod inside wall below, the below fixed connection of limiting plate is in the top of first movable block.
Preferably, the slide rail and the slider are symmetrically provided with two groups in the through groove, and the length of the slide rail is smaller than that of the first arm extension rod.
Preferably, the through groove, the slide rail, the slide block, the limiting plate and the connecting block are all provided with a group on the first moving block and the second moving block.
Preferably, the diameter of the second horn extension is greater than the diameter of the first horn extension, and the diameter of the stopper groove is the same as the diameter of the second horn extension.
Compared with the prior art, the beneficial effects of the utility model are that: this automatic flexible horn:
1. is provided with a motor, an extension screw, a first moving block, a first thread through hole, a limiting device and a first machine arm extension rod, when the unmanned aerial vehicle arm needs to be folded and transported, the motor is started, the motor drives the extension screw to rotate, the first moving block moves on the extension screw through the first threaded through hole while the extension screw rotates, thereby driving the second machine arm extension rod to move on the extension screw rod, realizing the automatic extension and retraction of the machine arm, the diameter of the second machine arm extension rod is larger than that of the first machine arm extension rod, and the lengths of the first machine arm extension rod and the second machine arm extension rod are equal, so that the second machine arm extension rod can be completely sleeved on the first machine arm extension rod, the floor area of the machine arm is effectively reduced, the machine arm is convenient to retract, the second machine arm extension rod can be accommodated into the fixed machine arm through the action of the second moving block and the second threaded through hole in the same way;
2. the first moving block and the second moving block slide in the sliding rail through the sliding block in the retracting process of the first arm extension rod and the second arm extension rod to limit the first arm extension rod and the second arm extension rod, so that the first arm extension rod and the second arm extension rod are prevented from swinging in the retracting process, and the retracting stability of the device is improved;
3. be provided with fixed horn, the screw rod seat, place chamber and spacing groove, when receiving up first horn extension rod and second horn extension rod, because the diameter of spacing groove is the same with the diameter of second horn extension rod, the length of fixed horn is greater than the length of second horn extension rod, so the second horn extension rod can get into in the fixed horn, so the length of extending the screw rod is the same with the length and the diameter of screw rod seat, extend in the screw rod can get into the screw rod seat, to first horn extension rod, second horn extension rod and extension screw rod protect, prevent the in-process of transportation, first horn extension rod, second horn extension rod and extension screw rod receive the damage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the limiting device of the present invention;
fig. 3 is a schematic view of the structure of the limiting groove of the present invention.
In the figure: 1. a motor; 2. an extension screw; 3. a first moving block; 4. a first threaded through hole; 5. a limiting device; 501. a through groove; 502. a slide rail; 503. a slider; 504. a limiting plate; 505. connecting blocks; 6. a first arm extension bar; 7. a second moving block; 8. a second threaded through hole; 9. a second boom extension bar; 10. fixing a machine arm; 11. a screw seat; 12. a placement chamber; 13. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an automatic telescopic machine arm comprises a motor 1, an extension screw 2, a first moving block 3, a first thread through hole 4, a limiting device 5, a first machine arm extension rod 6, a second moving block 7, a second thread through hole 8, a second machine arm extension rod 9, a fixed machine arm 10, a screw seat 11, a placing cavity 12 and a limiting groove 13, wherein the output end of the motor 1 is fixedly connected with the extension screw 2, the first thread through hole 4 is formed in the first moving block 3, the limiting device 5 is fixedly connected above the first moving block 3, the limiting device 5 comprises a through groove 501, a slide rail 502, a slide block 503, a limiting plate 504 and a connecting block 505, the first machine arm extension rod 6 is provided with the through groove 501, the inner wall of the through groove 501 is fixedly connected with the slide rail 502, the slide block 503 is connected in the slide rail 502 in a clamping manner, and two groups of the slide rail 502 and the slide block 503 are symmetrically arranged in the through groove 501, the length of the sliding rail 502 is smaller than that of the first arm extension rod 6, so that the second arm extension rod 9 is prevented from sliding out of the first arm extension rod 6, the second arm extension rod 9 is prevented from falling off, a limit plate 504 is fixedly connected to the side surface of the sliding block 503, a connecting block 505 is fixedly connected to the upper portion of the limit plate 504, the upper portion of the connecting block 505 is fixedly connected to the lower portion of the inner side wall of the second arm extension rod 9, the lower portion of the limit plate 504 is fixedly connected to the upper portion of the first moving block 3, a group of through grooves 501, the sliding rail 502, the sliding block 503, the limit plate 504 and the connecting block 505 are respectively arranged on the first moving block 3 and the second moving block 7, the first arm extension rod 6 and the second arm extension rod 9 are limited, the first arm extension rod 6 and the second arm extension rod 9 are prevented from swinging in the retracting process, the retracting stability of the device is improved, and the limiting device 5 is movably connected in the first arm extension, the upper part of the limiting device 5 is fixedly connected in a second machine arm extension rod 9, wherein,
the second moving block 7 is provided with a second threaded through hole 8, the second moving block 7 is connected with a second boom extension rod 9 through a limiting device 5, the side surface of the second moving block 7 is fixedly connected with a fixed boom 10, the fixed boom 10 is internally and fixedly connected with a screw seat 11, the length of the extension screw 2 is greater than the lengths of the first boom extension rod 6 and the second boom extension rod 9, the lengths of the first boom extension rod 6 and the second boom extension rod 9 are equal, the length of the extension screw 2 is the same as the length of the screw seat 11, so that the extension screw 2 can completely enter the screw seat 11, the first boom extension rod 6 can completely enter the second boom extension rod 9, the floor area is reduced, the transportation is convenient, a placing cavity 12 is arranged in the fixed boom 10, the second moving block 7 is provided with a limiting groove 13, the diameter of the second boom extension rod 9 is greater than the diameter of the first boom extension rod 6, the diameter of spacing groove 13 is the same with the diameter of second horn extension rod 9, makes second horn extension rod 9 can get into fixed horn 10 in, protects second horn extension rod 9, prevents that the in-process second horn extension rod 9 of transportation is impaired.
The working principle is as follows: when the automatic telescopic boom is used, the device is simply known, firstly, when the unmanned aerial vehicle boom needs to be retracted and transported, the motor 1 is started, the motor 1 drives the extension screw rod 2 to rotate, the extension screw rod 2 rotates, meanwhile, the first movable block 3 moves on the extension screw rod 2 through the first thread through hole 4, so that the second boom extension rod 9 is driven to move on the extension screw rod 2, so that the automatic retraction of the boom is realized, the diameter of the second boom extension rod 9 is larger than that of the first boom extension rod 6, the lengths of the first boom extension rod 6 and the second boom extension rod 9 are equal, the second boom extension rod 9 can be sleeved on the first boom extension rod 6, the floor area of the boom is effectively reduced, the automatic telescopic boom is convenient to retract and transport, and similarly, the second boom extension rod 9 can be retracted into the fixed boom 10 through the effects of the second movable block 7 and the second thread through hole 8, secondly, in the process of retracting and releasing the first arm extension rod 6 and the second arm extension rod 9, the first moving block 3 and the second moving block 7 slide in the slide rail 502 through the slide block 503 to limit the first arm extension rod 6 and the second arm extension rod 9, so that the first arm extension rod 6 and the second arm extension rod 9 are prevented from swinging in the retracting and releasing process, the retracting and releasing stability of the device is improved, and then when the first arm extension rod 6 and the second arm extension rod 9 are retracted, because the diameter of the limiting groove 13 is the same as that of the second arm extension rod 9, and the length of the fixed arm 10 is greater than that of the second arm extension rod 9, the second arm extension rod 9 can enter the fixed arm 10, the length of the extension screw 2 is the same as that of the screw seat 11, the extension screw 2 can enter the screw seat 11, and the first arm extension rod 6 and the second arm extension rod 9 can slide in the slide rail 502, The second boom extension rod 9 and the extension screw 2 are protected to prevent the first boom extension rod 6, the second boom extension rod 9 and the extension screw 2 from being damaged in the transportation process, and the content not described in detail in the description belongs to the prior art known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an automatic flexible horn, includes motor (1), first movable block (3) and second movable block (7), its characterized in that: an extension screw rod (2) is fixedly connected with the output end of the motor (1), a first threaded through hole (4) is formed in the first moving block (3), a limiting device (5) is fixedly connected above the first moving block (3), the limiting device (5) is movably connected into a first machine arm extension rod (6), the limiting device (5) is fixedly connected into a second machine arm extension rod (9) above the first machine arm extension rod, wherein,
the second threaded through hole (8) is formed in the second moving block (7), the second moving block (7) is connected with a second machine arm extension rod (9) through a limiting device (5), a fixed machine arm (10) is fixedly connected to the side face of the second moving block (7), a screw rod seat (11) is fixedly connected to the inner portion of the fixed machine arm (10), a placing cavity (12) is formed in the fixed machine arm (10), and a limiting groove (13) is formed in the second moving block (7).
2. An automatic telescopic boom according to claim 1, characterized in that: the length of extending screw rod (2) is greater than the length of first horn extension rod (6) and second horn extension rod (9), and the length of first horn extension rod (6) and second horn extension rod (9) equals, and the length of extending screw rod (2) is the same with the length of screw rod seat (11) moreover.
3. An automatic telescopic boom according to claim 1, characterized in that: stop device (5), including leading to groove (501), slide rail (502), slider (503), limiting plate (504), connecting block (505), logical groove (501) have been seted up on first horn extension rod (6), lead to fixedly connected with slide rail (502) on groove (501) inner wall, slide rail (502) interior joint is connected with slider (503), the side fixedly connected with limiting plate (504) of slider (503), top fixedly connected with connecting block (505) of limiting plate (504), the top fixed connection of connecting block (505) is in second horn extension rod (9) inside wall below, the below fixed connection of limiting plate (504) is in the top of first movable block (3).
4. An automatic telescopic boom according to claim 3, characterized in that: two groups of sliding rails (502) and sliding blocks (503) are symmetrically arranged in the through groove (501), and the length of the sliding rails (502) is smaller than that of the first machine arm extension rod (6).
5. An automatic telescopic boom according to claim 3, characterized in that: the through groove (501), the sliding rail (502), the sliding block (503), the limiting plate (504) and the connecting block (505) are all provided with a group on the first moving block (3) and the second moving block (7).
6. An automatic telescopic boom according to claim 1, characterized in that: the diameter of second horn extension rod (9) is greater than the diameter of first horn extension rod (6), the diameter of spacing groove (13) is the same with the diameter of second horn extension rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021888407.XU CN213057476U (en) | 2020-09-02 | 2020-09-02 | Automatic telescopic machine arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021888407.XU CN213057476U (en) | 2020-09-02 | 2020-09-02 | Automatic telescopic machine arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213057476U true CN213057476U (en) | 2021-04-27 |
Family
ID=75555865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021888407.XU Expired - Fee Related CN213057476U (en) | 2020-09-02 | 2020-09-02 | Automatic telescopic machine arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213057476U (en) |
-
2020
- 2020-09-02 CN CN202021888407.XU patent/CN213057476U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 Termination date: 20210902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |