CN114639938A - Unfolding hinge and satellite-borne antenna - Google Patents
Unfolding hinge and satellite-borne antenna Download PDFInfo
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- CN114639938A CN114639938A CN202210266948.6A CN202210266948A CN114639938A CN 114639938 A CN114639938 A CN 114639938A CN 202210266948 A CN202210266948 A CN 202210266948A CN 114639938 A CN114639938 A CN 114639938A
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- hinge
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- unfolding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
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Abstract
The invention relates to the technical field of hinge equipment, and provides an unfolding hinge and a satellite-borne antenna. The unfolding hinge comprises: the female hinge is provided with a slideway and is used for being connected with a first plate of the satellite-borne antenna; the male hinge is hinged with the female hinge through a first hinge shaft and is provided with a locking assembly, when the male hinge and the female hinge are positioned on the same plane, the locking assembly is clamped with the slide way, a limiting groove is formed in the male hinge and is used for being connected with a second plate of the satellite-borne antenna, and the limiting groove is used for limiting a third plate of the satellite-borne antenna when the satellite-borne antenna is in a folded state; the inner ring of the first elastic part is connected with the first hinge shaft, the end part of the first elastic part is connected with the male hinge, and the first elastic part is used for driving the male hinge to rotate. According to the unfolding hinge, the female hinge, the male hinge and the first elastic piece are arranged, so that the panel of the satellite-borne antenna can be automatically driven to be unfolded in sequence after pressing force is relieved, and the requirement for unfolding the panel of the satellite-borne antenna is met.
Description
Technical Field
The invention relates to the technical field of hinge equipment, in particular to an unfolding hinge and a satellite-borne antenna.
Background
Due to the limitation of the effective emission volume of the space vehicle, the satellite-borne antenna or the solar wing needs to be folded when being emitted, and the antenna or the solar wing is driven by the unfolding hinge to be unfolded, locked and enter a working state after being in orbit. The satellite-borne antenna or the solar wing usually consists of a plurality of panels, and a certain unfolding sequence is required for unfolding different panels so as to avoid interference and collision among different panels and ensure normal work of the satellite-borne antenna or the solar wing. However, the conventional hinge can only realize the unfolding and locking of the antenna or the solar wing plate, and cannot automatically control the unfolding sequence of different panels.
Disclosure of Invention
The invention provides an unfolding hinge and a satellite-borne antenna, which are used for solving the defect that the hinge in the prior art cannot automatically control the unfolding sequence of different panels.
The present invention provides a deployment hinge comprising: the female hinge is provided with a slideway and is used for being connected with a first plate of the satellite-borne antenna; the male hinge is hinged to the female hinge through a first hinge shaft and provided with a locking assembly, when the male hinge and the female hinge are located on the same plane, the locking assembly is clamped with the slide way, a limiting groove is formed in the male hinge and used for being connected with a second plate of the satellite-borne antenna, and the limiting groove is used for limiting a third plate of the satellite-borne antenna when the satellite-borne antenna is in a folded state; the inner ring of the first elastic part is connected with the first hinge shaft, the end part of the first elastic part is connected with the male hinge, and the first elastic part is used for driving the male hinge to rotate.
According to the present invention, there is provided a deployment hinge, the female hinge comprising: the hinge comprises a first hinge body, wherein one end of the first hinge body is provided with a groove, and after the male hinge and the female hinge rotate relatively, the part of the male hinge is positioned in the groove; the first hinge plates are oppositely arranged and are respectively connected with the first hinge body, and the first hinge plates are hinged with the male hinge; a first mounting plate, the first mounting plate with the side of first hinge body is connected, the first mounting plate be used for with the first board is connected.
According to a deployment hinge provided by the present invention, the slide is provided on a surface of the first hinge body, the slide includes: the first slide way body is connected with the first hinge body; the sliding channel is formed between the upper bottom surfaces of the two trapezoid structures and faces to the rotating direction of the male hinge; wherein, the locking assembly is clamped with the second slideway body.
According to a deployment hinge provided by the present invention, the female hinge further includes: the adjusting pieces are arranged at one ends, provided with the grooves, of the first hinge bodies, penetrate through the first hinge bodies, the length of the adjusting pieces below the first hinge bodies can be adjusted, and the adjusting pieces can be in contact with the male hinges after the male hinges rotate.
According to the present invention, there is provided a unfolding hinge comprising: the second hinge body can be contacted with the adjusting piece after the male hinge rotates; the two second hinged plates are oppositely arranged and are respectively connected with the second hinge body, one end of each second hinged plate is hinged with the first hinged plate through the first hinge shaft, and the other end of each second hinged plate is hinged with the locking assembly through a second hinge shaft; a second mounting plate, the second mounting plate with the side of second hinge body is connected, the second mounting plate be used for with the second board is connected.
According to a deployment hinge provided by the present invention, the locking assembly comprises: the first end of the locking rod is hinged with the second hinge plate through the second hinge shaft; the sliding groove is connected with the second end of the locking rod and can move towards the slideway in the rotating process of the locking rod, and a partition plate is arranged inside the sliding groove and divides the sliding groove into a first sliding groove and a second sliding groove; the two limiting blocks are respectively arranged in the first sliding groove and the second sliding groove, and the shapes of the limiting blocks are matched with the shape of the second sliding way body; the two second elastic pieces are respectively arranged in the first sliding groove and the second sliding groove, and two ends of each second elastic piece are respectively connected with the partition plate and the limiting block.
According to the unfolding hinge provided by the invention, the male hinge further comprises a limiting column, the limiting column is arranged on any one of the second hinged plates, and the limiting column is used for limiting the locking assembly when the male hinge does not rotate.
According to the unfolding hinge provided by the invention, the male hinge further comprises a third elastic piece, two ends of the third elastic piece are respectively connected with the limiting columns, the middle part of the third elastic piece is clamped on the locking rod, and the third elastic piece is used for providing pressure for locking the locking rod after the locking rod rotates.
According to the unfolding hinge provided by the invention, the female hinge further comprises a microswitch, and the microswitch is arranged on the first hinge body; the male hinge further comprises a micro switch blocking rod, the micro switch blocking rod is arranged on the second hinge body, and when the male hinge rotates to be located on the same plane with the female hinge, the micro switch blocking rod is in contact with the micro switch.
The invention also provides a satellite-borne antenna which comprises the first plate, the second plate, the third plate, a hinge piece and the unfolding hinge, wherein the first plate, the third plate and the second plate are folded in sequence, one ends of the first plate and the second plate are connected with the unfolding hinge, and the other ends of the first plate and the third plate are connected with the hinge piece.
According to the unfolding hinge provided by the invention, the female hinge, the male hinge and the first elastic piece are arranged, so that the panel of the satellite-borne antenna can be automatically driven to be unfolded in sequence after the pressing force is relieved, and the requirement for unfolding the panel of the satellite-borne antenna is met.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of the unfolding hinge of the present invention in a collapsed configuration;
FIG. 2 is one of the schematic mechanical diagrams of the unfolding hinge provided by the present invention in an unfolded state;
FIG. 3 is a schematic structural view of the second hinge body shown in FIG. 2;
FIG. 4 is a second schematic view of the mechanism of the unfolding hinge of the present invention in an unfolded state;
FIG. 5 is a third schematic view of the mechanism of the unfolding hinge of the present invention in an unfolded state;
FIG. 6 is a cross-sectional view of the deployment hinge of the present invention in a deployed state;
fig. 7 is a schematic structural diagram of the satellite-borne antenna provided by the present invention in a folded state;
fig. 8 is a partial enlarged view at E shown in fig. 7;
FIG. 9 is a schematic structural diagram of a satellite antenna provided by the present invention in a 90 ° unfolded state;
fig. 10 is a partial enlarged view at a shown in fig. 9;
FIG. 11 is a schematic structural diagram of a fully deployed space-borne antenna provided by the present invention;
reference numerals:
100: a female hinge; 101: a first hinge body; 102: a first hinge plate; 103: a slideway; 104: an adjustment member; 105: a microswitch; 106: a first mounting plate; 200: a male hinge; 201: a second hinge body; 202: a second hinge plate; 203: a second mounting plate; 204: a limiting groove; 205: a microswitch lever; 206: a second hinge axis; 207: a third elastic member; 210: a locking assembly; 211: a locking lever; 212: a chute; 213: a second elastic member; 214: a limiting block; 215: a cover plate; 300: a first hinge axis; 400: a first elastic member; 501: a bearing; 502: a first retainer ring; 503: a second retainer ring; 600: a first plate; 700: a third plate; 701: a gear lever; 800: a second plate; 900: an articulation member; 1000: unfolding the hinge; 1031: a first slideway body; 1032: a second runner body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The features of the terms first and second in the description and in the claims of the invention may explicitly or implicitly include one or more of these features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The unfolding hinge and the satellite antenna of the present invention will be described below with reference to fig. 1 to 11.
As shown in fig. 1 and 2, in one embodiment of the present invention, the unfolding hinge 1000 includes: the female hinge 100, the male hinge 200, the first hinge shaft 300, and the first elastic member 400. The female hinge 100 is provided with a slide way 103, the female hinge 100 is used for being connected with a first plate 600 of the satellite antenna, the male hinge 200 is hinged with the female hinge 100 through a first hinge shaft 300, the male hinge 200 is provided with a locking assembly 210, and when the male hinge 200 rotates to be in the same plane with the female hinge 100, the locking assembly 210 is clamped with the slide way 103. The male hinge 200 is provided with a limiting groove 204, the male hinge 200 is used for being connected with the second plate 800 of the satellite antenna, and the limiting groove 204 is used for limiting the third plate 700 of the satellite antenna when the satellite antenna is in a folded state. The inner ring of the first elastic member 400 is coupled to the first hinge shaft 300, the end of the first elastic member 400 is coupled to the male hinge 200, and the first elastic member 400 is used to drive the male hinge 200 to rotate.
Specifically, the space-borne antenna includes three panels, namely a first panel 600, a third panel 700 and a second panel 800, and the first panel 600, the third panel 700 and the second panel 800 are folded in sequence, wherein one ends of the first panel 600 and the third panel 700 are connected by a hinge 900, in this embodiment, the hinge 900 is a conventional hinge, and the other ends of the first panel 600 and the second panel 800 are connected by an unfolding hinge 1000. When the satellite-borne antenna is in a folded state, the stop lever 701 on the third plate 700 is located in the limiting groove 204 of the male hinge 200, when the satellite-borne antenna needs to be unfolded, the compression release device of the satellite-borne antenna releases the constraint on the second plate 800 and the third plate 700, the second plate 800 is unfolded under the drive of the unfolding hinge 1000, the stop lever 701 of the third plate 700 is located in the limiting groove 204 of the male hinge 200, and the third plate 700 is in a static state relative to the first plate 600. At this time, the male hinge 200 moves in the unfolding direction, and when the male hinge 200 rotates by 90 °, that is, the male hinge is unfolded by 90 °, the stopper 701 of the third plate 700 is disengaged from the stopper groove 204, and the third plate 700 is released from the stopper and is unfolded by the driving of the hinge 900. When the male hinge 200 and the female hinge 100 are in the same plane, the locking assembly 210 of the male hinge 200 is engaged with the slide 103 of the female hinge 100, so that the unfolding hinge 1000 is completely unfolded.
Further, the first elastic member 400 is used to provide power for the rotation of the male hinge 200, so as to drive the rotation of the male hinge 200.
Alternatively, in one embodiment of the present invention, the first elastic member 400 is a spiral spring.
According to the unfolding hinge provided by the embodiment of the invention, the female hinge, the male hinge and the first elastic piece are arranged, so that the panel of the satellite-borne antenna can be automatically driven to unfold in sequence after pressing force is relieved, and the requirement for unfolding the panel of the satellite-borne antenna is met.
As shown in fig. 1, the female hinge 100 includes: a first hinge body 101, a pair of first hinge plates 102, and a first mounting plate 106. One end of the first hinge body 101 is provided with a groove in which a portion of the male hinge 200 is positioned after the male hinge 200 and the female hinge 100 are relatively rotated. The two first hinge plates 102 are arranged oppositely and connected with the first hinge body 101 respectively, and the first hinge body 101 is hinged with the male hinge 200. The first mounting plate 106 is connected to a side of the first hinge body 101, and the first mounting plate 106 is used to connect to the first plate 600.
Specifically, in the embodiment shown in fig. 1, the female hinge 100 and the male hinge 200 are in a closed state, and the male hinge 200 is located at a lower portion of the female hinge 100. The first hinge body 101 of the female hinge 100 is provided with a groove, so that when the male hinge 200 rotates around the first hinge shaft 300, a part of the male hinge 200 is located in the groove, so that the male hinge 200 and the female hinge 100 can be located on the same plane, thereby realizing the complete unfolding of the male hinge 200 and the female hinge 100, specifically, as shown in fig. 2, that is, the male hinge 200 and the female hinge 100 are in the unfolded state.
As shown in fig. 1, in one embodiment of the present invention, a slide 103 is provided on a surface of the first hinge body 101, the slide 103 including: a first runner body 1031 and an oppositely disposed pair of second runner bodies 1032. The first slideway body 1031 is connected with the first hinge body 101, the two second slideway bodies 1032 are respectively connected with the first slideway body 1031, the cross section of each second slideway body 1032 is in a trapezoidal structure, a sliding channel is formed between the upper bottom surfaces of the two trapezoidal structures, the sliding channel faces to the rotation direction of the male hinge 200, and the locking assembly 210 is clamped with the second slideway bodies 1032.
Specifically, the first slide body 1031 of the slide 103 is located on the top surface of the first hinge body 101, that is, when the female hinge 100 and the male hinge 200 are in the folded state, the male hinge 200 is located below the first hinge body 101, and the slide 103 is located above the first hinge body 101. The cross-sectional shape of the second runner body 1032 of the runner 103 is provided in a trapezoidal structure.
As shown in fig. 2, in one embodiment of the present invention, the male hinge 200 includes: a second hinge body 201, a pair of second hinge plates 202, and a second mount plate 203. Two second hinge plates 202 are oppositely arranged and respectively connected with the second hinge body 201, one end of each second hinge plate 202 is hinged with the first hinge plate 102 through a first hinge shaft 300, and the other end of each second hinge plate 202 is hinged with the locking assembly 210 through a second hinge shaft 206. The second mounting plate 203 is connected to a side of the second hinge body 201, and the second mounting plate 203 is used to connect to the second plate 800, wherein the second hinge shaft 206 is an eccentric shaft.
Specifically, as shown in fig. 3, the second hinge body 201 is connected to a pair of second hinge plates 202, a lower portion of each second hinge plate 202 is hinged to the first hinge plate 102, an upper portion of each second hinge plate 202 is hinged to the locking assembly 210, and when the second hinge plates 202 rotate around the first hinge shaft 300, the locking assemblies 210 are driven to rotate from below the first hinge body 101 to above the first hinge body 101.
Further, as shown in fig. 4, in one embodiment of the present invention, the locking assembly comprises: a locking lever 211, a slide groove 212, a pair of stoppers 214, and a pair of second elastic members 213. A first end of the locking lever 211 is hinged to the second hinge plate 202 through the second hinge shaft 206. The sliding groove 212 is connected with the second end of the locking rod 211, the sliding groove 212 can slide along the sliding direction of the sliding rail 103 in the rotating process of the locking rod 211, a partition plate is arranged inside the sliding groove 212, the sliding groove 212 is divided into a first sliding groove and a second sliding groove by the partition plate, the two limiting blocks 214 are respectively arranged in the first sliding groove and the second sliding groove, the two second elastic pieces 213 are respectively arranged in the first sliding groove and the second sliding groove, and two ends of each second elastic piece 213 are respectively connected with the partition plate and the limiting block 214.
Specifically, as shown in fig. 4 and 5, the locking lever 211 rotates around the second hinge shaft 206, during the rotation of the locking lever 211, the locking lever 211 drives the sliding chute 212 to move along the sliding direction of the chute 103, when the sliding chute 212 enters the chute 103, the limiting block 214 contacts with the second chute body 1032 (the upper bottom surface of the trapezoid structure) of the chute 103, the limiting block 214 moves in a direction approaching the partition plate under the pressing of the upper bottom surface of the trapezoid structure, and the second elastic member 213 is compressed. When the male hinge 200 is unfolded to 180 degrees, the limit block 214 is separated from the slideway 103, the limit block 214 extends out of the slideway 212 under the action of the second elastic piece 213, and the limit block 214 is clamped with the second slideway body 1032 (the inclined plane of the trapezoidal structure) to prevent the male hinge 200 from moving along the folding direction, so that the male hinge 200 and the female hinge 100 are locked.
Further, the shape of the stop block 214 matches the shape of the second runner body 1032 to achieve multiple angle locking. Optionally, in an embodiment of the present invention, a surface of the stopper 214 engaged with the second runner body 1032 is stepped, and the stepped shape may form a plurality of stopper structures, so as to implement locking at a plurality of angles.
Further, in one embodiment of the present invention, the locking assembly further includes a cover plate 215, and the cover plate 215 is disposed on the sliding groove 212 to prevent the stopper 214 from falling out of the sliding groove 212 during the rotation of the male hinge 200.
Further, in an embodiment of the present invention, the male hinge 200 further includes a third retaining ring and a fourth retaining ring, the third retaining ring and the fourth retaining ring are disposed outside the second hinge shaft 206 and located at two ends of the second hinge shaft 206, and the third retaining ring and the fourth retaining ring are respectively located between the second hinge plate 202 and the locking lever 211 to prevent the locking lever 211 from moving along the axial direction of the second hinge shaft 206.
According to the unfolding hinge provided by the embodiment of the invention, by arranging the slide way and the locking assembly, when the male hinge rotates to be positioned on the same plane as the female hinge, locking at different angles can be realized, and the precision of the unfolded satellite-borne antenna panel is ensured.
In an embodiment of the present invention, the male hinge 200 further includes a position-limiting post disposed on any one of the second hinge plates 202, and the position-limiting post is used for limiting the locking assembly 210 when the male hinge 200 is not rotated.
As shown in fig. 2, in an embodiment of the present invention, the male hinge 200 further includes a third elastic member 207, two ends of the third elastic member 207 are respectively connected to the position-limiting columns, a middle portion of the third elastic member 207 is clamped on the locking lever 211, and the third elastic member 207 is configured to provide pressure to the locking lever 211 after the locking lever 211 rotates.
Specifically, when the male hinge 200 starts to unfold, the locking assembly 210 is locked by the limiting post, during the unfolding process of the male hinge 200, the sliding groove 212 of the locking assembly 210 contacts with the sliding way 103 of the female hinge 100, the locking assembly 210 is separated from the limiting post and starts to slide along the sliding way 103, and during the locking process of the locking assembly 210 and the sliding way 103, the third elastic element 207 is used for providing pressure for the locking rod 211 to lock the locking assembly 210 and the sliding way 103.
As shown in fig. 1, in an embodiment of the present invention, the female hinge 100 further includes a pair of adjusting members 104, the two adjusting members 104 are disposed opposite to each other, the adjusting members 104 are disposed at one end of the first hinge body 101 where the groove is formed, the length of the adjusting members 104 below the first hinge body 101 is adjustable, and the adjusting members 104 can contact with the second hinge body 201 of the male hinge 200 after the male hinge 200 rotates.
Specifically, after the male hinge 200 is unfolded, the second hinge body 201 of the male hinge 200 contacts the bottom of the adjusting member 104, and the adjusting member 104 limits the second hinge body 201 to prevent the male hinge 200 from rotating continuously.
Alternatively, in one embodiment of the present invention, the adjusting member 104 is a screw, and the rotation angle of the male hinge 200 can be controlled by adjusting the length of the screw extending out of the first hinge body 101.
As shown in fig. 1 and 2, in one embodiment of the present invention, the female hinge 100 further includes a micro switch 105, and the micro switch 105 is disposed on the first hinge body 101. The male hinge 200 further comprises a micro switch lever 205, the micro switch lever 205 is disposed on the second hinge body 201, and when the male hinge 200 rotates to be located on the same plane as the female hinge 100, the micro switch lever 205 contacts with the micro switch 105.
Specifically, when the male hinge 200 is unfolded to the proper position, the microswitch 105 contacts the microswitch lever 205, the microswitch 105 is triggered, and the unfolded hinge 1000 is unfolded to the proper position to generate a signal.
In one embodiment of the present invention, as shown in fig. 6, the pop-up hinge 1000 further comprises a bearing 501, a first retainer 502, and a second retainer 503. The inner race of the first elastic member 400 is fixedly coupled to the first hinge shaft 300, the end surface of the first elastic member 400 is fixedly coupled to the second hinge plate 202 of the male hinge 200, and the first elastic member 400 is used to drive the male hinge 200 to rotate. The first retainer ring 502 is disposed outside the first hinge shaft 300 and between the first resilient member 400 and one of the second hinge plates 202, and is used for preventing the first resilient member 400 from moving along the axial direction of the first hinge shaft 300. The bearing 501 is sleeved outside the first hinge shaft 300 and located at the other second hinge plate 202, the bearing 501 is used for reducing friction between the male hinge 200 and the first hinge shaft 300 when the male hinge 200 rotates relative to the first hinge shaft 300, the second retaining ring 503 is sleeved outside the first hinge shaft 300, the second retaining ring 503 is arranged close to the first retaining ring 502 and located between the first hinge plate 102 and the second hinge plate 202, and the second retaining ring 503 is used for preventing the second hinge plate 202 from moving along the axial direction of the first hinge shaft 300.
According to the unfolding hinge provided by the embodiment of the invention, the second hinge shaft is set to be the eccentric shaft, the length of the adjusting piece extending out of the first hinge body is adjustable, and the surface of the limiting block is processed to be in a step shape, so that the influence of errors such as processing and assembling on the locking precision can be compensated, and the unfolding hinge is ensured to have higher locking rigidity.
As shown in fig. 7, an embodiment of the present invention further provides a space-borne antenna, which includes a first board 600, a second board 800, a third board 700, a hinge 900, and a unfolding hinge 1000. The first plate 600, the third plate 700, and the second plate 800 are sequentially folded, one ends of the first plate 600 and the second plate 800 are connected to the unfolding hinge 1000, and the other ends of the first plate 600 and the third plate 700 are connected to the hinge 900.
Specifically, as shown in fig. 8, when the space-borne antenna is in a folded state, the stopper 701 of the third plate 700 is located in the limiting groove 204 of the male hinge 200, and the third plate 700 is limited by the unfolding hinge 1000, so that the third plate 700 is in a relatively stationary state with respect to the first plate 600.
As shown in fig. 9 and 10, after the locking assembly 210 moves 90 ° in the unfolding direction, the stopper 701 on the third plate 700 is disengaged from the limiting groove 204, the limitation of the third plate 700 is released, and the satellite antenna is unfolded under the driving of the hinge 900.
As shown in fig. 11, the satellite antenna is fully deployed.
According to the satellite-borne antenna provided by the embodiment of the invention, the unfolding hinge is arranged, so that the panel of the satellite-borne antenna can be automatically driven to be unfolded in sequence after the pressing force is relieved, and the requirement for unfolding the panel of the satellite-borne antenna is met.
The working principle of the satellite-borne antenna provided by the invention is described in detail below.
When the satellite-borne antenna is in a folded state, the stop lever 701 on the third plate 700 is located in the limiting groove 204 of the male hinge 200, when the satellite-borne antenna needs to be unfolded, the compression release device of the satellite-borne antenna releases the constraint on the second plate 800 and the third plate 700, the second plate 800 is unfolded under the drive of the unfolding hinge 1000, the stop lever 701 of the third plate 700 is located in the limiting groove 204 of the male hinge 200, and the third plate 700 is in a static state relative to the first plate 600. The locking assembly 210 moves in the unfolding direction, when the locking assembly is unfolded to 90 degrees, the stop lever 701 on the third plate 700 is disengaged from the limiting groove 204 on the male hinge 200, the third plate 700 is released from the limiting, and the locking assembly is unfolded under the driving of the hinge 900. After the female hinge 100 is unfolded to a certain angle, the locking assembly 210 contacts with the slide way 103 on the female hinge 100, under the action of the third elastic member 207, the locking assembly 210 is separated from the limiting column and starts to move along the slide way 103, when the chute 212 enters the slide way 103, the limiting block 214 contacts with the second slide way body 1032 of the slide way 103, the limiting block 214 moves in a direction close to the partition board under the extrusion of the second slide way body 1032, and further the second elastic member 213 is compressed. When the male hinge 200 is unfolded to 180 degrees, the limit block 214 is separated from the slideway 103, the limit block 214 extends out of the chute 212 under the action of the second elastic piece 213, the limit block 214 is clamped with the inclined plane of the second slideway body 1032 to prevent the male hinge 200 from moving along the folding direction, meanwhile, the bottom of the adjusting piece 104 is in contact with the second hinge body 201 to limit the male hinge 200 to continue moving along the unfolding direction, the unfolding hinge 1000 is locked, at the moment, the microswitch gear lever 205 is in contact with the microswitch 105, the microswitch 105 is triggered, and the unfolding hinge 1000 is unfolded in place to generate a signal.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A deployment hinge, comprising:
the female hinge is provided with a slideway and is used for being connected with a first plate of the satellite-borne antenna;
the male hinge is hinged to the female hinge through a first hinge shaft and provided with a locking assembly, when the male hinge and the female hinge are located on the same plane, the locking assembly is clamped with the slide way, a limiting groove is formed in the male hinge and used for being connected with a second plate of the satellite-borne antenna, and the limiting groove is used for limiting a third plate of the satellite-borne antenna when the satellite-borne antenna is in a folded state;
the inner ring of the first elastic piece is connected with the first hinge shaft, the end part of the first elastic piece is connected with the male hinge, and the first elastic piece is used for driving the male hinge to rotate.
2. The unfolding hinge according to claim 1, wherein said female hinge comprises:
the hinge comprises a first hinge body, wherein one end of the first hinge body is provided with a groove, and after the male hinge and the female hinge rotate relatively, the part of the male hinge is positioned in the groove;
the first hinge plates are oppositely arranged and are respectively connected with the first hinge body, and the first hinge plates are hinged with the male hinge;
a first mounting plate, the first mounting plate with the side of first hinge body is connected, the first mounting plate be used for with the first board is connected.
3. The deployment hinge of claim 2, wherein the slideway is provided on a surface of the first hinge body, the slideway comprising:
the first slide way body is connected with the first hinge body;
the sliding channel is formed between the upper bottom surfaces of the two trapezoid structures and faces to the rotating direction of the male hinge;
wherein, the locking assembly is clamped with the second slideway body.
4. The pop-out hinge of claim 3, wherein the female hinge further comprises:
the adjusting pieces are arranged at one ends, provided with the grooves, of the first hinge bodies, penetrate through the first hinge bodies, the length of the adjusting pieces below the first hinge bodies can be adjusted, and the adjusting pieces can be in contact with the male hinges after the male hinges rotate.
5. The deployment hinge of claim 4, wherein the male hinge comprises:
the second hinge body can be contacted with the adjusting piece after the male hinge rotates;
the two second hinged plates are oppositely arranged and are respectively connected with the second hinge body, one end of each second hinged plate is hinged with the first hinged plate through the first hinge shaft, and the other end of each second hinged plate is hinged with the locking assembly through a second hinge shaft;
a second mounting plate, the second mounting plate with the side of second hinge body is connected, the second mounting plate be used for with the second board is connected.
6. The deployment hinge of claim 5, wherein the locking assembly comprises:
the first end of the locking rod is hinged with the second hinge plate through the second hinge shaft;
the sliding groove is connected with the second end of the locking rod and can move towards the slideway in the rotating process of the locking rod, and a partition plate is arranged inside the sliding groove and divides the sliding groove into a first sliding groove and a second sliding groove;
the two limiting blocks are respectively arranged in the first sliding groove and the second sliding groove, and the shapes of the limiting blocks are matched with the shape of the second sliding way body;
the two second elastic pieces are respectively arranged in the first sliding groove and the second sliding groove, and two ends of each second elastic piece are respectively connected with the partition plate and the limiting block.
7. The deployment hinge of claim 6, wherein the male hinge further comprises a restraining post disposed on any of the second hinge plates, the restraining post being configured to restrain the locking assembly when the male hinge is not rotated.
8. The unfolding hinge according to claim 7, further comprising a third elastic member, wherein two ends of the third elastic member are respectively connected to the limiting posts, a middle portion of the third elastic member is clamped on the locking rod, and the third elastic member is used for providing pressure for locking the locking rod after the locking rod rotates.
9. The deployment hinge of claim 5, wherein the female hinge further comprises a micro switch disposed on the first hinge body;
the male hinge further comprises a micro switch blocking rod, the micro switch blocking rod is arranged on the second hinge body, and when the male hinge rotates to be located on the same plane with the female hinge, the micro switch blocking rod is in contact with the micro switch.
10. A space-borne antenna comprising the first plate, the second plate, a third plate, a hinge, and the unfolding hinge of any of claims 1-9, the first plate, the third plate, and the second plate being folded in sequence, one end of the first plate and the second plate being connected to the unfolding hinge, and the other end of the first plate and the third plate being connected to the hinge.
Priority Applications (1)
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| CN117508640A (en) * | 2024-01-02 | 2024-02-06 | 银河航天(北京)网络技术有限公司 | Cross plate hinge and satellite wing array |
| CN119069994A (en) * | 2024-07-19 | 2024-12-03 | 北京钧天航宇技术有限公司 | A timing control mechanism for deploying a same-side folding SAR antenna |
| CN119171043A (en) * | 2024-10-12 | 2024-12-20 | 中国科学院空天信息创新研究院 | A structure and folding method of an embracing foldable satellite-borne phased array antenna |
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| CN116044895A (en) * | 2023-04-03 | 2023-05-02 | 四川省星时代智能卫星科技有限公司 | Hinge and satellite solar wing assembly |
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