CN211088514U - Telescopic assembly and radar assembly - Google Patents
Telescopic assembly and radar assembly Download PDFInfo
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- CN211088514U CN211088514U CN201922362992.3U CN201922362992U CN211088514U CN 211088514 U CN211088514 U CN 211088514U CN 201922362992 U CN201922362992 U CN 201922362992U CN 211088514 U CN211088514 U CN 211088514U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The utility model discloses a telescopic assembly, include: a fixing member; the rotating part is in threaded connection with the fixed part and is suitable for telescopic motion relative to the fixed part in a spiral transmission mode; the connecting shaft is connected with the rotating piece, and the rotating piece is suitable for rotating relative to the connecting shaft; the first connecting seat is hinged with the connecting shaft; the second connecting seat is hinged with the fixing piece. According to the utility model discloses flexible subassembly has following beneficial effect at least: through the rotation piece for rotate the piece and can follow axial concertina movement by the mounting relatively, thereby can adjust the distance between the part that first connecting seat and second connecting seat are connected, in the adjustment process, mounting, connecting axle, first connecting seat and second connecting seat need not rotate, and the rotation piece can realize the adjustment, and the adjustment is convenient fast, and the assembly of being convenient for wholly.
Description
Technical Field
The utility model relates to a radar field, in particular to flexible subassembly and radar subassembly.
Background
In a meteorological radar system, an antenna array refers to an antenna system which is formed by arranging according to a certain rule, the pitching angle of the antenna array usually needs to be adjusted, and the pointing accuracy of the radar is directly influenced, so that the performance of the whole system is influenced.
The existing commonly used pitching rotating mechanism of the meteorological radar antenna array is generally designed into a double-fulcrum rotating structure, namely, one end of the antenna array is hinged with one fulcrum, the other end of the antenna array is hinged with a connecting rod, and the connecting rod is hinged with the other fulcrum; specifically, the link of adjusting the pitching angle in the assembly process of the mechanism is very complicated, and a large amount of system assembly time is occupied; moreover, in order to maintain the stability of the dual-pivot rotating structure, a mode of adding a balance weight is often adopted during design or assembly to realize that the mass center position of the mass of the pitching rotating part is coincided with the rotation center of the pitching shaft, so that the total weight of the whole system is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses the first aspect provides flexible subassembly, the utility model discloses the second aspect provides the radar subassembly, can the every single move angle of rapid stabilization adjustment antenna pedestal.
According to the utility model discloses a flexible subassembly of first aspect embodiment, include: a fixing member; the rotating part is in threaded connection with the fixed part and is suitable for telescopic motion relative to the fixed part in a spiral transmission mode; the connecting shaft is connected with the rotating piece, and the rotating piece is suitable for rotating relative to the connecting shaft; the first connecting seat is hinged with the connecting shaft; the second connecting seat is hinged with the fixing piece.
According to the utility model discloses flexible subassembly has following beneficial effect at least: through the rotation piece for rotate the piece and can follow axial concertina movement by the mounting relatively, thereby can adjust the distance between the part that first connecting seat and second connecting seat are connected, in the adjustment process, mounting, connecting axle, first connecting seat and second connecting seat need not rotate, and the rotation piece can realize the adjustment, and the adjustment is convenient fast, and the assembly of being convenient for wholly.
According to some embodiments of the utility model, the axis of rotation of first connecting seat and second connecting seat is mutually perpendicular with the axis of rotation of rotating, and the axis of rotation of first connecting seat and second connecting seat parallels. The rotation modes of the first connecting seat, the second connecting seat and the rotating part are limited, and the antenna base is convenient to apply to the pitching angle adjusting mechanism of the antenna base relative to the radar base.
According to some embodiments of the present invention, one of the rotating member and the fixing member includes a screw rod, the other of the rotating member and the fixing member includes a pipe, the screw rod is inserted into the pipe, and the inner wall of the pipe is provided with an internal thread matching the screw rod. The internal thread matching of the screw rod and the inner wall of the pipe fitting is used for screw transmission, so that the rotating part can stably and accurately move in a telescopic way relative to the fixing part.
According to some embodiments of the present invention, one of the rotating member and the fixing member includes a screw rod, the other of the rotating member and the fixing member includes a pipe, the screw rod is inserted into the pipe, the inner wall of the pipe is provided with a nut, and the screw rod and the nut are in threaded fit. The setting of nut can reduce the screw thread setting volume in the pipe fitting, and can be convenient for change.
According to some embodiments of the utility model, the cover is equipped with the sleeve on the screw rod, is provided with the clearance of holding pipe fitting motion between sleeve and the screw rod. The sleeve is convenient to serve as a shell of the screw rod and protect the screw rod on one hand, and a locking mechanism can be conveniently arranged on the other hand.
According to some embodiments of the utility model, the end fixing of sleeve and screw rod dorsad pipe fitting is on the mounting panel, and the mounting panel is rotationally connected through bearing drive mode to the connecting axle. The mounting plate is convenient for fixedly connecting the sleeve and the screw rod and is convenient for arranging the connecting shaft.
According to some embodiments of the utility model, the connecting axle includes the axial region, and the mounting panel includes axle sleeve portion, and the axial region setting is in axle sleeve portion, and the axle region is through angular contact ball bearing connection axle sleeve portion. The connecting shaft and the mounting plate are connected through the bearing, and the resistance to relative rotation is smaller.
According to some embodiments of the present invention, the telescopic assembly further comprises a locking mechanism, the rotating member and the fixing member are connected at both ends, and the relative position of the rotating member and the fixing member is adapted to be fixed. The locking mechanism is used for actuating the relative position after the relative position of the rotating part and the fixed part is adjusted.
According to some embodiments of the utility model, rotate the piece and include screw rod, sleeve and mounting panel, the sleeve cover is established on the screw rod, the mounting includes the pipe fitting, be provided with the clearance of holding pipe fitting motion between sleeve and the screw rod, the screw rod passes through the relative pipe fitting concertina movement of helical drive's mode, the end fixing of sleeve and screw rod dorsad pipe fitting is on the mounting panel, locking mechanical system includes locking ring and locking bolt, the locking ring setting is at the sleeve towards the tip of pipe fitting, locking bolt wears to establish on the locking ring and is suitable for the crimping pipe fitting. The locking between the fixed part and the rotating part is made reliable by the arrangement of the locking ring and the locking bolt.
According to the utility model discloses a radar subassembly of second aspect embodiment, including the flexible subassembly of first aspect embodiment, still include antenna pedestal and the radar base that sets up from top to bottom, the articulated radar base of one end of antenna pedestal, radar base is connected to first connecting seat, and antenna pedestal's the other end is connected to the second connecting seat.
According to the utility model discloses a radar subassembly has following beneficial effect at least: the whole structure is simple, the processing and assembling requirements are low, the time consumption and the difficulty of system assembly are effectively reduced, and the installation cost is saved; the maintenance is good, the part for adjusting the pitching angle is made into a modularized telescopic component, and the whole telescopic component is only required to be replaced together during maintenance, so that the maintenance time is greatly shortened, and the method has important significance for realizing the improvement of operability and maintainability in the outdoor environment where the radar is located; weight is less, need not realize the barycenter coincidence through increasing the balanced heavy, forms a triangle-shaped between with antenna pedestal, the radar base, has promoted radar overall structure's stability and anti-wind ability.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an embodiment of a radar assembly;
FIG. 2 is a schematic structural view of an embodiment of a retraction assembly;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a partial enlarged view of portion B of FIG. 2;
the antenna base comprises a fixing piece 100, a pipe fitting 110, a nut 120, a rotating piece 200, a screw rod 210, a sleeve 220, a mounting plate 230, a shaft sleeve portion 231, a connecting shaft 300, a shaft portion 310, a first connecting seat 400, a second connecting seat 500, an angular contact ball bearing 600, a locking mechanism 700, a locking ring 710, a locking bolt 720, an antenna base 800 and a radar base 900.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the utility model discloses a first aspect embodiment provides flexible subassembly, include: a fixing member; the rotating part is in threaded connection with the fixed part and is suitable for telescopic motion relative to the fixed part in a spiral transmission mode; the connecting shaft is connected with the rotating piece, and the rotating piece is suitable for rotating relative to the connecting shaft; the first connecting seat is hinged with the connecting shaft; the second connecting seat is hinged with the fixing piece.
It should be understood that, first connecting seat and second connecting seat are as the connecting piece, can be the part that needs the relative position of telescopic adjustment mutually in both ends through fixed mode connection, therefore can be through the setting of connecting axle for when the rotatory piece that rotates comes the axial relative position who adjusts the mounting and rotate the piece, first connecting seat and second connecting seat can not rotate along with the connecting axle, the relative position adjustment between the part at the both ends that first connecting seat and second connecting seat are connected of being convenient for.
It should be understood that the arrangement of the first connecting seat hinge connecting shaft and the second connecting seat hinge fixing member can be adapted to the relative angle change of the first connecting seat relative to the connecting shaft and the relative angle change of the second connecting seat relative to the fixing member when the relative angle of the two end members needs to be adjusted.
Through the rotation piece for rotate the piece and can follow axial concertina movement by the mounting relatively, thereby can adjust the distance between the part that first connecting seat and second connecting seat are connected, in the adjustment process, mounting, connecting axle, first connecting seat and second connecting seat need not rotate, and the rotation piece can realize the adjustment, and the adjustment is convenient fast, and the assembly of being convenient for wholly.
Referring to fig. 1 and 2, in some embodiments of the present invention, the rotation axes of the first and second connection holders 400 and 500 may be perpendicular to the rotation axis of the rotation member 200, and the rotation axes of the first and second connection holders 400 and 500 may be parallel. The rotation modes of the first connecting holder 400, the second connecting holder 500 and the rotation member 200 are defined to facilitate the application in the pitch angle adjustment mechanism of the antenna holder 800 with respect to the radar base 900.
In some embodiments of the present invention, one of the rotating member and the fixing member may include a screw rod, and the other of the rotating member and the fixing member may include a pipe, the screw rod is inserted into the pipe, and the inner wall of the pipe is provided with an internal thread matching the screw rod. The internal thread matching of the screw rod and the inner wall of the pipe fitting is used for screw transmission, so that the rotating part can stably and accurately move in a telescopic way relative to the fixing part.
It should be understood that since the threaded rod and the internal threads of the pipe member are threadedly engaged to perform the relative axial telescopic movement therebetween, and the positions thereof are interchanged to perform the same function, referring to fig. 1 and 2, the rotating member 200 may include the threaded rod 210, and the fixing member 100 may include the pipe member 110.
In some embodiments of the present invention, one of the rotating member and the fixing member may include a screw rod, the other of the rotating member and the fixing member may include a pipe, the screw rod is inserted into the pipe, the inner wall of the pipe is provided with a nut, and the screw rod and the nut are in threaded fit. The setting of nut can reduce the screw thread setting volume in the pipe fitting, and can be convenient for change.
It should be understood that the screw and the tube are interchangeable, and referring to fig. 2 and 4, the nut 120 may be disposed in the tube 110 by means of a screw fastening, the nut 120 may be understood as a short sleeve with an internal thread, the short sleeve is short relative to the tube 110, and the nut 120 may be disposed at an end of the tube 110 facing the screw 210.
It should be understood that the screw can adopt a 30-degree trapezoidal thread screw rod, the transmission efficiency is high, the tooth root strength is high, and the centering performance is good; the pipe fitting can be made of a 316 stainless steel seamless steel pipe, and the roughness of the outer surface of the pipe fitting is required to be ground to Ra0.8.
Referring to fig. 2 and 3, in some embodiments of the present invention, a sleeve 220 may be sleeved on the screw 210, and a gap for accommodating the movement of the pipe 110 may be provided between the sleeve 220 and the screw 210. The provision of the sleeve 220 facilitates, on the one hand, the housing of the screw 210, protecting the screw 210, and, on the other hand, the provision of the locking mechanism 700.
It should be understood that, referring to fig. 2 to 4, the pipe member 110 and the sleeve 220 may be cylindrical and hollow, the end of the pipe member 110 facing away from the sleeve 220 may be blocked by an end cap, the end cap may be fixed to the end of the pipe member 110 by screwing, and the second connecting seat 500 may be hinged to the end cap.
Referring to fig. 2 and 3, in some embodiments of the present invention, the end of the sleeve 220 and the end of the screw 210 facing away from the pipe 110 may be fixed on the mounting plate 230, and the connecting shaft 300 may be rotatably connected to the mounting plate 230 via a bearing transmission manner. The mounting plate 230 is provided to facilitate the fixing of the sleeve 220 and the screw 210, and to facilitate the provision of the connecting shaft 300. The bearing may be an oilless bearing.
Referring to fig. 2 and 3, in some embodiments of the present invention, the connection shaft 300 may include a shaft portion 310, the mounting plate 230 may include a sleeve portion 231, the shaft portion 310 is disposed in the sleeve portion 231, and the shaft portion 310 is connected to the sleeve portion 231 of the connection shaft 300 via an angular contact ball bearing 600. The connecting shaft 300 and the mounting plate 230 are connected through a bearing, and the resistance to relative rotation is smaller.
The angular contact ball bearings can adopt DB type paired installation angular contact ball bearings, can bear larger radial and axial combined loads, and have good rigidity and overturning moment bearing performance and higher matching precision.
It will be appreciated that the end of the sleeve portion towards the shaft portion may be provided with an annular stop extending radially inwardly from the sleeve portion end, which may serve to limit the angular contact ball bearing and shaft portion within the sleeve portion. The connecting shaft can also comprise an end plate, the end plate can be fixedly connected with the shaft part through screws, and the end plate is hinged with the first connecting seat.
Referring to fig. 2, in some embodiments of the present invention, the telescopic assembly may further include a locking mechanism 700 connected at both ends to the rotating member 200 and the fixing member 100, and adapted to fix the relative positions of the rotating member 200 and the fixing member 100. The locking mechanism 700 is used to lock the relative position after the adjustment of the relative position of the rotating member 200 and the fixing member 100 is completed.
Referring to fig. 2 and 4, in some embodiments of the present invention, the rotating member 200 may include a screw rod 210, a sleeve 220, and a mounting plate 230, the sleeve 220 is sleeved on the screw rod 210, the fixing member 100 may include a pipe 110, a gap for accommodating movement of the pipe 110 is provided between the sleeve 220 and the screw rod 210, the screw rod 210 moves telescopically relative to the pipe 110 in a screw transmission manner, ends of the sleeve 220 and the screw rod 210 facing away from the pipe 110 are fixed on the mounting plate 230, the locking mechanism 700 may include a locking ring 710 and a locking bolt 720, the locking ring 710 is disposed at an end of the sleeve 220 facing the pipe 110, and the locking bolt 720 is disposed on the locking ring 710 and adapted to press-connect the. The locking between the fixing member 100 and the rotating member 200 is secured by the arrangement of the locking ring 710 and the locking bolt 720. The locking ring can be made of 316 stainless steel and can be installed by matching the oilless shaft sleeve with the pipe fitting.
It will be appreciated that the locking means may also be provided on the tube, and that the locking bolt is adapted to press the threaded rod through the tube, and that locking of the relative positions of the tube and the threaded rod may also be accomplished after the positioning has been completed.
Referring to fig. 1, a second aspect of the present invention provides a radar assembly, including the telescopic assembly of the first aspect of the present invention, further including an antenna pedestal 800 and a radar base 900 arranged from top to bottom, the radar base 900 being hinged to one end of the antenna pedestal 800, the radar base 900 being connected to the first connection seat 400, and the other end of the antenna pedestal 800 being connected to the second connection seat 500.
Through rotating the rotation piece 200, can make the relative position of rotation piece 200 and fixed part 100 along the flexible adjustment of axial, through connecting axle 300, make the rotation of rotation piece 200 correspond to the motion of first connecting seat 400 and second connecting seat 500, the angle change of radar base 900 and antenna pedestal 800 relative rotation piece 200 that first connecting seat 400 and second connecting seat 500 are connected respectively, in the triangle-shaped that flexible subassembly, radar base 900 and antenna pedestal 800 formed, the contained angle between radar base 900 and antenna pedestal 800 produces the change, the pitch angle change of antenna pedestal 800 relative radar base 900.
Referring to fig. 1, it should be understood that a base may be further disposed below the radar base 900, the radar base 900 is rotatably connected to the base, the radar base 900 may rotate vertically, and the radar assembly may adjust the horizontal orientation and the pitch angle of the antenna mount 800.
It should be understood that the radar assembly may be a weather radar, a phased array radar, and the antenna mount 800 may be a structure that provides a linear array.
The radar component embodiment has a simple integral structure and low processing and assembling requirements, so that the time consumption and difficulty of system assembly are effectively reduced, and the installation cost is saved; the maintenance is good, the part for adjusting the pitching angle is made into a modularized telescopic component, and the whole telescopic component is only required to be replaced together during maintenance, so that the maintenance time is greatly shortened, and the method has important significance for realizing the improvement of operability and maintainability in the outdoor environment where the radar is located; weight is less, need not realize the barycenter coincidence through increasing the balanced heavy, forms a triangle-shaped between with antenna pedestal, the radar base, has promoted radar overall structure's stability and anti-wind ability.
In the description herein, references to the description of the term "some embodiments" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A telescoping assembly, comprising:
a fixing member;
the rotating part is in threaded connection with the fixed part and is suitable for telescopic motion relative to the fixed part in a spiral transmission mode;
the connecting shaft is connected with the rotating piece, and the rotating piece is suitable for rotating relative to the connecting shaft;
the first connecting seat is hinged with the connecting shaft;
and the second connecting seat is hinged with the fixing piece.
2. The telescopic assembly of claim 1, wherein the axes of rotation of the first and second connecting seats are perpendicular to the axis of rotation of the rotating member, and the axes of rotation of the first and second connecting seats are parallel.
3. The assembly of claim 1, wherein one of the rotating member and the fixed member comprises a threaded rod, the other of the rotating member and the fixed member comprises a tube, the threaded rod is inserted into the tube, and an inner wall of the tube is provided with an internal thread for engaging the threaded rod.
4. The telescoping assembly of claim 1, wherein one of the rotating member and the fixed member comprises a threaded rod, the other of the rotating member and the fixed member comprises a tube, the threaded rod is inserted into the tube, a nut is disposed on an inner wall of the tube, and the threaded rod and the nut are in threaded engagement.
5. The telescopic assembly according to claim 3 or 4, wherein a sleeve is sleeved on the screw, and a gap for accommodating the movement of the pipe is arranged between the sleeve and the screw.
6. The telescopic assembly of claim 5, wherein the ends of the sleeve and the threaded rod facing away from the tube are fixed to a mounting plate, and the connecting shaft is rotatably connected to the mounting plate via a bearing transmission.
7. The telescoping assembly of claim 6, wherein the connecting shaft comprises a shaft portion and the mounting plate comprises a bushing portion, the shaft portion disposed within the bushing portion, the shaft portion connected to the bushing portion via angular contact ball bearings.
8. The telescoping assembly of claim 1 further comprising a locking mechanism having two ends connecting the rotating member and the fixed member adapted to fix the relative positions of the rotating member and the fixed member.
9. The telescoping assembly of claim 8, wherein the rotating member includes a threaded rod, a sleeve and a mounting plate, the sleeve is sleeved on the threaded rod, the fixing member includes a tube, a gap is provided between the sleeve and the threaded rod for accommodating movement of the tube, the threaded rod is telescopically movable relative to the tube by way of a screw drive, ends of the sleeve and the threaded rod facing away from the tube are fixed on the mounting plate, the locking mechanism includes a locking ring and a locking bolt, the locking ring is disposed at an end of the sleeve facing the tube, and the locking bolt is disposed on the locking ring and adapted to press-contact the tube.
10. The radar component is characterized by comprising the telescopic component as claimed in any one of claims 1 to 9, and further comprising an antenna pedestal and a radar base which are arranged from top to bottom, wherein one end of the antenna pedestal is hinged with the radar base, the first connecting seat is connected with the radar base, and the second connecting seat is connected with the other end of the antenna pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362992.3U CN211088514U (en) | 2019-12-25 | 2019-12-25 | Telescopic assembly and radar assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362992.3U CN211088514U (en) | 2019-12-25 | 2019-12-25 | Telescopic assembly and radar assembly |
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| Publication Number | Publication Date |
|---|---|
| CN211088514U true CN211088514U (en) | 2020-07-24 |
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| CN201922362992.3U Active CN211088514U (en) | 2019-12-25 | 2019-12-25 | Telescopic assembly and radar assembly |
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| CN (1) | CN211088514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009731A (en) * | 2019-12-25 | 2020-04-14 | 珠海纳睿达科技有限公司 | Telescopic assembly and radar assembly |
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2019
- 2019-12-25 CN CN201922362992.3U patent/CN211088514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009731A (en) * | 2019-12-25 | 2020-04-14 | 珠海纳睿达科技有限公司 | Telescopic assembly and radar assembly |
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Address after: No.2 Gangle Road, Tangjiawan Town, Zhuhai City, Guangdong Province 519080 Patentee after: Guangdong Narui Radar Technology Co.,Ltd. Address before: No.2 Gangle Road, Tangjiawan Town, Zhuhai City, Guangdong Province 519080 Patentee before: Zhuhai Naruida Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |