CN209940353U - Sleeve type telescopic device for aerospace instrument - Google Patents
Sleeve type telescopic device for aerospace instrument Download PDFInfo
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- CN209940353U CN209940353U CN201920579811.XU CN201920579811U CN209940353U CN 209940353 U CN209940353 U CN 209940353U CN 201920579811 U CN201920579811 U CN 201920579811U CN 209940353 U CN209940353 U CN 209940353U
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Abstract
The utility model discloses a telescopic device for aerospace instruments, which belongs to the technical field of telescopic devices and comprises a lower inner sleeve, a motor, an upper inner sleeve and an outer sleeve, wherein the motor is arranged at the middle end of the embedded bottom of the lower inner sleeve, the upper inner sleeve is arranged at the top of the lower inner sleeve, the outer sleeve is coated on the outer walls of the lower inner sleeve and the upper inner sleeve, the lower inner sleeve comprises a first cylinder body, a bottom plate and a first limiting block, the bottom plate is arranged at the bottom of the first cylinder body, the first limiting block is arranged at the top of the outer wall of the first cylinder body, the telescopic device can be extended and retracted for a long distance without external hydraulic pressure or air pressure, only a power supply is needed to be switched on, the use is convenient, the telescopic rod is driven to move by the matching of the motor and a lead screw, and the upper inner sleeve, can accomplish that the syllogic is flexible, accomplish effectual long distance and stretch out and draw back.
Description
Technical Field
The utility model relates to a telescoping device technical field specifically is a telescopic telescoping device for aerospace instrument.
Background
The telescopic device is a device that can extend and retract a certain distance in a confined space, and that can transport or convey an operation instrument attached to a distal end from a certain position to a target position, thereby realizing a certain function of the telescopic device itself or the operation instrument. The solar energy telescopic door is widely used in production and life, such as an automatic telescopic door, a hydraulic lifting arm, a solar energy sailboard and the like.
The existing small telescopic device can only be stretched in a short military force, and a large telescopic device is mostly required to be externally connected with a hydraulic oil tank or a pneumatic pipeline and driven by hydraulic pressure or pneumatic pressure, so that the long-distance stretching of the telescopic device is realized, and the use is complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a telescopic telescoping device for aerospace vehicle to the current miniature telescoping device who proposes in solving above-mentioned background art only can stretch out and draw back in shorter military force, and large-scale telescoping device needs external hydraulic tank or atmospheric pressure pipeline more, drives through hydraulic pressure or atmospheric pressure, realizes that telescoping device's long distance is flexible, uses loaded down with trivial details problem.
In order to achieve the above object, the utility model provides a following technical scheme: a telescopic device for an aerospace instrument comprises a lower inner sleeve, a motor, an upper inner sleeve and an outer sleeve, wherein the motor is arranged at the middle end of the embedded bottom of the lower inner sleeve, the upper inner sleeve is arranged at the top of the lower inner sleeve, the outer sleeve covers the outer walls of the lower inner sleeve and the upper inner sleeve, the lower inner sleeve comprises a first barrel body, a bottom plate and a first limiting block, the bottom plate is arranged at the bottom of the first barrel body, the first limiting block is arranged at the top of the outer wall of the first barrel body, a lead screw is arranged on an output shaft at the top of the motor, a telescopic rod is sleeved on the outer wall of the lead screw, a threaded hole is formed in the top of the telescopic rod, a nut is embedded at the bottom of an inner cavity of the telescopic rod and is sleeved on the outer wall of the lead screw, the, the inner chamber lateral wall of outer sleeve has seted up the spacing groove, the outer sleeve includes first semicircle casing and second semicircle casing, the left and right sides of first semicircle casing all is provided with first fixed ear, the left and right sides of second semicircle casing all is provided with the fixed ear of second.
Preferably, the bottom of the inner cavity of the lower inner sleeve is provided with a first mounting groove matched with the motor, and the motor is mounted in the first mounting groove.
Preferably, the lower inner sleeve and the upper inner sleeve are the same in shape and size.
Preferably, first mounting holes are formed in four corners of the top of the motor, first thread grooves are formed in the bottom of an inner cavity of the lower inner sleeve and four corners of a contact surface of the motor, the first thread grooves correspond to the four first mounting holes, a bolt penetrates through the first mounting holes and is screwed into the first thread grooves, and the motor is fixedly mounted at the bottom of the inner cavity of the lower inner sleeve through the cooperation of the bolt, the first mounting holes and the first thread grooves.
Preferably, a through hole is formed in the middle end of the top of the upper inner sleeve and corresponds to a threaded hole in the top of the telescopic rod, a bolt penetrates through the through hole and is screwed into the threaded hole, and the telescopic rod is fixed to the top of the inner cavity of the upper inner sleeve through the matching of the bolt, the through hole and the threaded hole.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can carry out long distance flexible, do not need external hydraulic pressure or atmospheric pressure, only need the switch on can, convenient to use, the removal of the cooperation drive telescopic link through motor and lead screw, the flexible of inner skleeve and outer sleeve is gone up in the drive through the telescopic link, can accomplish the syllogic flexible, accomplish effectual long distance flexible.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the lower inner sleeve of the present invention;
FIG. 3 is a cross-sectional view of the telescopic rod of the present invention;
FIG. 4 is a schematic view of the upper inner sleeve of the present invention;
fig. 5 is a perspective view of the outer sleeve of the present invention.
In the figure: 100 lower inner sleeves, 110 first cylinder bodies, 120 bottom plates, 130 first limit blocks, 200 motors, 210 lead screws, 220 telescopic rods, 230 threaded holes, 240 nuts, 300 upper inner sleeves, 310 second cylinder bodies, 320 top plates, 330 second limit blocks, 400 outer sleeves, 410 limit grooves, 420 first semicircular shells, 430 second semicircular shells, 440 first fixing lugs and 450 second fixing lugs.
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.
The utility model provides a sleeve type telescopic device for aerospace instruments, which can be used for long-distance telescopic, please refer to fig. 1, and comprises a lower inner sleeve 100, a motor 200, an upper inner sleeve 300 and an outer sleeve 400;
referring to fig. 1 and 2, the lower inner sleeve 100 has a first cylinder 110, a bottom plate 120 and a first stopper 130, specifically, the bottom plate 120 is welded at the bottom of the first cylinder 110, the first stopper 130 is annular, the first stopper 130 is sleeved on the top of the outer wall of the first cylinder 110, and the first stopper 130 is welded on the top of the outer wall of the first cylinder 110 by electric welding;
referring to fig. 1 and 3, the motor 200 has a lead screw 210, a telescopic rod 220, a threaded hole 230, and a nut 240, specifically, the motor 200 is fixedly installed at the middle end of the bottom of the inner cavity of the lower inner sleeve 100, the middle end of the bottom of the inner cavity of the lower inner sleeve 100 is provided with a first installation groove matched with the motor 200, the motor 200 is installed in the first installation groove, four corners of the top of an installation plate on the motor 200 are provided with first installation holes, four corners of the contact surface between the bottom of the inner cavity of the lower inner sleeve 100 and the installation plate on the motor 200 are provided with first threaded grooves, the four first threaded grooves correspond to the four first installation holes, a bolt penetrates through the first installation holes and is screwed into the first threaded grooves, the motor 200 is fixedly installed at the bottom of the inner cavity of the lower inner sleeve 100 through the cooperation of the bolt, the first installation holes and the first threaded grooves, the lead screw 210, the outer wall of the output shaft at the top of the motor 200 is provided with a spline, the contact surface between the bottom of the lead screw 210 and the output shaft at the top of the motor 200 is provided with a spline hole, the spline hole is matched with the spline, the lead screw 210 is fixedly arranged on the output shaft at the top of the motor 200 through the matching of the spline and the spline hole, the lead screw 210 is driven to rotate through the motor 200, the telescopic rod 220 is sleeved on the outer wall of the lead screw 210, the nut 240 is embedded at the bottom of the inner cavity of the telescopic rod 220, the bottom of the telescopic rod 220 is provided with a second mounting groove matched with the nut 240, the nut 240 is arranged in the second mounting groove and is fixed at the bottom of the telescopic rod 220 through electric welding, the nut 240 is sleeved on the outer wall of the lead screw 210, the lead screw 210 is movably arranged in the inner cavity of the, the threaded hole 230 is formed in the middle end of the top of the telescopic rod 220;
referring to fig. 1 and 4, the upper inner sleeve 300 has a second cylinder 310, a top plate 320 and a second limiting block 330, specifically, the top plate 320 is welded on the top of the second cylinder 310, the second limiting block 330 is annular, the second limiting block 330 is sleeved on the bottom of the outer wall of the second cylinder 310, and the second limiting block 330 is welded on the bottom of the outer wall of the second cylinder 310 by electric welding, a through hole is formed in the middle end of the top plate 320, the through hole in the top of the top plate 320 corresponds to the threaded hole 230 in the top of the telescopic rod 220, a bolt penetrates through the through hole in the top of the top plate 320 and is screwed into the threaded hole 230 in the top of the telescopic rod 220, the telescopic rod 220 is fixedly installed at the bottom of the top plate 320 by the cooperation of the bolt, the through hole and the threaded hole 230, the telescopic rod 220 is fixedly installed in the inner cavity;
referring to fig. 1 and 5, the outer sleeve 400 has a limiting groove 410, a first semicircular shell 420, a second semicircular shell 430, a first fixing lug 440 and a second fixing lug 450, specifically, the outer sleeve 400 is sleeved on the outer walls of the lower inner sleeve 100 and the upper inner sleeve 300, the first limiting block 130 on the lower inner sleeve 100 and the second limiting block 330 on the upper inner sleeve 300 are clamped in the limiting groove 410, the limiting groove 410 is opened in the inner cavity of the outer sleeve 400, the first fixing lug 440 is disposed on the left and right sides of the first semicircular shell 420, the first fixing lug 440 and the first semicircular shell 420 are integrally cast, the second fixing lug 450 is disposed on the left and right sides of the second semicircular shell 430, the second fixing lug 450 and the second semicircular shell 430 are integrally cast, the first fixing lug 440 and the second fixing lug 450 are longitudinally provided with a plurality of second mounting holes, the second mounting holes on the first fixing lug 440 correspond to the second mounting holes on the second fixing lug 450, the bolt penetrates through the second mounting hole of the first fixing lug 440 and the second mounting hole of the second fixing lug 450, the nut is screwed on the bolt, the first fixing lug 440 and the second fixing lug 450 are fixed together through the cooperation of the bolt, the second mounting hole and the nut, and the first semicircular shell 420 and the second semicircular shell 430 are fixed together through the first fixing lug 440 and the second fixing lug 450 to form the outer sleeve 400.
When the tool is used specifically, the bottom plate 120 is placed at a specified position, a power supply is switched on, the motor 200 is started, the output shaft of the motor 200 rotates in the forward direction to drive the screw 210 to rotate in the forward direction, the rotation of the screw 210 drives the nut 240 to move axially upwards on the outer wall of the screw 210, the nut 240 drives the telescopic rod 220 to move, the telescopic rod 220 drives the upper inner sleeve 300 to move, the second limiting block 330 on the upper inner sleeve 300 moves in the limiting groove 410, the second limiting block 330 drives the outer sleeve 400 to move when moving to the top of the limiting groove 410, until the bottom of the limiting groove 410 is contacted with the first limiting block 130 on the lower inner sleeve 100, an object placed on the top of the top plate 320 is jacked up, when the tool is not used, the motor 200 is started again, the output shaft of the motor 200 rotates in the reverse direction to drive the screw 210 to rotate in the reverse direction, the rotation, the upper inner sleeve 300 is driven to move downwards, the top plate 320 on the upper inner sleeve 300 is contacted with the outer sleeve 400, and the outer sleeve 400 is driven to move downwards by the top plate 320 until the bottom of the outer sleeve 400 is contacted with the bottom plate 120.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A telescopic device for an aerospace instrument is characterized by comprising a lower inner sleeve (100), a motor (200), an upper inner sleeve (300) and an outer sleeve (400), wherein the motor (200) is installed at the middle end of the embedded bottom of the lower inner sleeve (100), the upper inner sleeve (300) is placed at the top of the lower inner sleeve (100), the outer sleeve (400) covers the outer walls of the lower inner sleeve (100) and the upper inner sleeve (300), the lower inner sleeve (100) comprises a first cylinder (110), a bottom plate (120) and a first limiting block (130), the bottom plate (120) is arranged at the bottom of the first cylinder (110), the first limiting block (130) is arranged at the top of the outer wall of the first cylinder (110), a lead screw (210) is installed on an output shaft at the top of the motor (200), and a telescopic rod (220) is sleeved on the outer wall of the lead screw (210), threaded hole (230) are seted up at the top of telescopic link (220), inlay the inner chamber bottom of telescopic link (220) and have nut (240), nut (240) cup joint the outer wall at lead screw (210), it includes second barrel (310), roof (320) and second stopper (330) to go up inner skleeve (300), spacing groove (410) have been seted up to the inner chamber lateral wall of outer sleeve (400), outer sleeve (400) include first semicircle casing (420) and second semicircle casing (430), the left and right sides of first semicircle casing (420) all is provided with first fixed ear (440), the left and right sides of second semicircle casing (430) all is provided with the fixed ear (450) of second.
2. A telescopic extension device for an aerospace vehicle according to claim 1, wherein: the bottom of the inner cavity of the lower inner sleeve (100) is provided with a first mounting groove matched with the motor (200), and the motor (200) is mounted in the first mounting groove.
3. A telescopic extension device for an aerospace vehicle according to claim 1, wherein: the lower inner sleeve (100) and the upper inner sleeve (300) are identical in shape and size.
4. A telescopic extension device for an aerospace vehicle according to claim 1, wherein: first mounting hole has all been seted up in the top four corners of motor (200), first thread groove has all been seted up, four to the inner chamber bottom of lower inner skleeve (100) and the contact surface four corners of motor (200) first thread groove is corresponding with four first mounting hole is run through the bolt first mounting hole and connect the bolt soon in the first thread groove, will through the cooperation of bolt, first mounting hole and first thread groove motor (200) fixed mounting be in the inner chamber bottom of lower inner skleeve (100).
5. A telescopic extension device for an aerospace vehicle according to claim 1, wherein: the middle end of the top of the upper inner sleeve (300) is provided with a through hole, the through hole corresponds to a threaded hole (230) in the top of the telescopic rod (220), a bolt penetrates through the through hole and is screwed into the threaded hole (230), and the telescopic rod (220) is fixed to the top of the inner cavity of the upper inner sleeve (300) through the matching of the bolt, the through hole and the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579811.XU CN209940353U (en) | 2019-04-26 | 2019-04-26 | Sleeve type telescopic device for aerospace instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579811.XU CN209940353U (en) | 2019-04-26 | 2019-04-26 | Sleeve type telescopic device for aerospace instrument |
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| Publication Number | Publication Date |
|---|---|
| CN209940353U true CN209940353U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920579811.XU Active CN209940353U (en) | 2019-04-26 | 2019-04-26 | Sleeve type telescopic device for aerospace instrument |
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| CN (1) | CN209940353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043489A (en) * | 2020-02-23 | 2020-04-21 | 西安电子工程研究所 | Vertical lifting mechanism |
| CN111675129A (en) * | 2020-05-29 | 2020-09-18 | 山东建筑大学 | Electric screw following jack and control method thereof |
-
2019
- 2019-04-26 CN CN201920579811.XU patent/CN209940353U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043489A (en) * | 2020-02-23 | 2020-04-21 | 西安电子工程研究所 | Vertical lifting mechanism |
| CN111675129A (en) * | 2020-05-29 | 2020-09-18 | 山东建筑大学 | Electric screw following jack and control method thereof |
| CN111675129B (en) * | 2020-05-29 | 2021-08-10 | 山东建筑大学 | Electric screw following jack and control method thereof |
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