CN114313312A - Anti-rotation locking device - Google Patents
Anti-rotation locking device Download PDFInfo
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- CN114313312A CN114313312A CN202111683761.8A CN202111683761A CN114313312A CN 114313312 A CN114313312 A CN 114313312A CN 202111683761 A CN202111683761 A CN 202111683761A CN 114313312 A CN114313312 A CN 114313312A
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- 230000008569 process Effects 0.000 abstract description 4
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- 230000001788 irregular Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses an anti-rotation locking device, which comprises a first main body and a second main body which are connected through a rotating shaft, wherein one side of the rotating shaft is provided with a locking mechanism comprising a base, an elastic piece and a locking part; according to the invention, the locking part is always ejected out from the opening towards the direction of the rotating shaft by the elastic piece while the first main body and the rotating shaft rotate simultaneously until the rotating shaft rotates to the locking position, the side wall of the locking part is contacted with the first plane, so that the rotating shaft is limited by the locking part to continue rotating, the rotating shaft is prevented from rotating, meanwhile, the first main body rotating synchronously with the rotating shaft is prevented from rotating, on the premise of fixing the second main body, the first main body can be quickly restrained to keep a locking state, and the rotating does not occur, even in an irregular long-term vibration process, the mutual limitation between the locking part and the first plane can be always kept through the action of the elastic piece, the locking state of the locking device is kept stable, and the locking reliability between spacecraft parts is improved.
Description
Technical Field
The application relates to the technical field of space vehicles, in particular to a rotation-preventing locking device.
Background
In the field of space vehicles, locking problems for mechanisms are encountered in many scenarios. Due to the special application environment of the space vehicle, higher requirements are provided for the structural complexity, locking reliability, compactness and unlocking difficulty of the locking mechanism.
At present, a locking mechanism mainly adopts a spring, a cylindrical pin scheme and a link mechanism scheme. After the scheme of the spring and the cylindrical pin is locked, under the vibration working condition caused by high-speed movement of the space carrier, the rotation condition of the connecting mechanism is easy to occur in the locking device between the mechanisms, so that the locking is disabled, the situation that free rotation or even direct separation occurs between the structures needing to be locked occurs, and the structural stability and reliability of the space carrier are seriously affected.
Disclosure of Invention
To the defect that exists among the prior art, this application provides a locking device who prevents gyration to the problem of gyration appears easily in locking device among the solution prior art.
The above purpose of the invention is mainly realized by the following technical scheme:
an anti-rollback locking device, comprising:
the first main body is provided with a rotating shaft which rotates synchronously;
the second main body is arranged on the rotating shaft, the rotating shaft penetrates through the second main body so as to enable the second main body and the first main body to rotate relatively, and a first plane is arranged on the circumferential surface of the rotating shaft;
the locking mechanism comprises a base, an elastic piece and a locking part, wherein the base is arranged on the second main body, a first cavity is formed in the base, an opening is formed in one side of the first cavity, a detachable base is arranged on the other side of the first cavity, the locking part is arranged in the first cavity, one end of the locking part can penetrate through the opening and extend out of the first cavity, the elastic piece is arranged between the locking part and the base and enables the locking part to be ejected out of the opening and towards the direction of the rotating shaft, and the rotating shaft is provided with a locking position so that the side wall of the locking part is in contact with the first plane and limits the rotating shaft to rotate.
Further, the interval is provided with two first lugs in the first main part, the interval is provided with two second lugs in the second main part, the pivot runs through simultaneously first lug with the second lug.
Furthermore, a fastener for preventing the rotating shaft from being separated from the first support lug or the second support lug is arranged at one end of the rotating shaft.
Furthermore, two second planes which are parallel to each other are arranged on the upper circumferential surface of the rotating shaft, a matching hole is formed in the first support lug, and when the rotating shaft penetrates through the matching hole, the inner wall of the matching hole is in contact with the second planes so as to limit the rotating shaft to rotate relative to the first support lug.
Furthermore, a supporting block is arranged on the base, and a supporting groove attached to the outer side wall of the locking portion is arranged on the side wall of the supporting block, so that when the rotating shaft is located at the locking position, the supporting groove and the first plane are respectively contacted with two radial sides of the locking portion.
Furthermore, a sliding round table is arranged on the locking portion, and the inner wall of the first cavity is attached to the outer wall of the sliding round table.
Furthermore, two sides of the sliding round table are respectively provided with a rectangular strip, two rectangular grooves are formed in the side wall of the first cavity along the axis direction of the first cavity, and the rectangular strips extend into the rectangular grooves and slide along the length direction of the rectangular grooves.
Further, the elastic member is provided as a spring.
Furthermore, a supporting groove is formed in the first main body, a through hole is formed in the supporting groove, when the rotating shaft is located at the locking position, the base is clamped in the supporting groove, the through hole corresponds to the base, and a channel for separating the base from the base is formed.
Further, the base is in threaded connection with the base.
Compared with the prior art, the invention has the advantages that:
the invention sets a first main body and a rotating shaft to rotate synchronously, and a second main body is penetrated by the rotating shaft at the same time, sets a locking mechanism including a base, an elastic part and a locking part, the base is set on the second main body, the base has a first cavity, one side of the first cavity is set with a detachable base, the locking part is set in the first cavity and can extend out of the first cavity through an opening on the other side of the first cavity, the elastic part is set between the locking part and the base, the rotating shaft has a locking position, when the first main body and the rotating shaft rotate simultaneously, the elastic part always pushes out the locking part from the opening towards the rotating shaft until the rotating shaft rotates to the locking position, the side wall of the locking part contacts with a first plane, thereby the rotating shaft is limited by the locking part to rotate continuously, the rotating shaft is prevented from rotating, the first main body rotating synchronously with the rotating shaft is prevented from rotating, under the premise of fixing the second main body, the first main body can be quickly restrained to keep a locking state, rotation does not occur, even if in an irregular long-term vibration process, mutual limitation of the locking part and the first plane can be always kept under the action of the elastic piece, the locking device is stable in the locking state, and the locking reliability between the components of the spacecraft is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a first angular structure of a locking device according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a second angular structure of the locking device according to the embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a first body according to an embodiment of the present disclosure;
FIG. 4 is an enlarged view of a portion of FIG. 3A according to an exemplary embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a rotating shaft according to an embodiment of the present disclosure;
FIG. 6 is a cross-sectional view of a locking mechanism provided by an embodiment of the present application;
fig. 7 is a schematic structural diagram of an unlocked state of the first body and the second body according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a locked state of the first body and the second body according to an embodiment of the present disclosure.
In the figure: 1. a first body; 11. a rotating shaft; 12. a first plane; 13. a first lug; 14. a second plane; 15. a mating hole; 16. a holding groove; 17. a through hole; 2. a second body; 21. a second lug; 31. a base; 32. an elastic member; 33. a locking portion; 331. a sliding circular table; 34. an opening; 35. a base; 36. a support block; 37. a bracket; 38. a rectangular strip; 39. a rectangular groove; 4. a fastener.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1 to 8, a lock device for preventing a reverse rotation includes a first body 1, a second body 2, and a lock mechanism between the first body 1 and the second body 2, wherein:
the first main body 1 is provided with a rotating shaft 11 which rotates synchronously, and when the first main body 1 rotates around the axis of the rotating shaft 11, the rotating angle of the first main body 1 is consistent with that of the rotating shaft 11;
the second body 2 is mounted on the rotating shaft 11, and the rotating shaft 11 penetrates through the second body 2, so that the second body 2 and the first body 1 rotate relatively, specifically, when the second body 2 is used as a reference object, the second body 2 is set to be in a state of not moving or rotating, and the first body 1 rotates relative to the second body 2 through the rotating shaft 11; the circumferential surface of the rotating shaft 11 is provided with a first plane 12.
The locking mechanism comprises a base 31, an elastic piece 32 and a locking part 33, wherein the base 31 is arranged on the second body 2, a first cavity is arranged in the base 31, an opening 34 is arranged on one side of the first cavity, a detachable base 35 is arranged on the other side of the first cavity, the locking part 33 is arranged in the first cavity, one end of the locking part can penetrate through the opening 34 and extend out of the first cavity, the elastic piece 32 is arranged between the locking part 33 and the base 35, and the locking part 33 is ejected out of the opening 34 towards the direction of the rotating shaft 11; the rotating shaft 11 has a locking position such that the side wall of the locking portion 33 contacts the first plane 12 and restricts the rotation of the rotating shaft 11.
It should be noted that the rotating shaft 11 has a locking position, the locking position is that after the rotating shaft 11 rotates by an angle along with the first body 1, a relatively stable locking relationship is maintained between the rotating shaft 11 and the locking portion 33, at this time, the position where the rotating shaft 11 is kept stable is the locking position, after a relative included angle that needs to be maintained between the first body 1 and the second body 2 is designed, when the first body 1 is communicated with the rotating shaft 11 and rotates to the locking position of the rotating shaft 11, the relative included angle between the first body 1 and the second body 2 is the designed locking state, and at this time, the first plane 12 on the rotating shaft 11 is abutted by the locking portion 33, the rotating shaft 11 cannot continue to rotate around the axis, so as to keep the relative position relationship between the first body 1 and the second body 2 stable, and form locking.
The working principle of the embodiment is as follows: by arranging the first body 1 and the rotating shaft 11 to rotate synchronously, penetrating the second body 2 through the rotating shaft 11 at the same time, arranging a locking mechanism comprising a base 31, an elastic piece 32 and a locking part 33, wherein the base 31 is arranged on the second body 2, a first cavity is arranged in the base 31, a detachable base 35 is arranged at one side of the first cavity, the locking part 33 is arranged in the first cavity and can extend out of the first cavity through an opening 34 at the other side of the first cavity, the elastic piece 32 is arranged between the locking part 33 and the base 35, the rotating shaft 11 is provided with a locking position, when the first body 1 and the rotating shaft 11 rotate simultaneously, the elastic piece 32 always pushes out the locking part 33 from the opening 34 towards the rotating shaft 11 until the rotating shaft 11 rotates to the locking position, the side wall of the locking part 33 is contacted with the first plane 12, thereby limiting the rotating shaft 11 to rotate continuously through the locking part 33 and preventing the rotating shaft 11 from rotating, prevent simultaneously with the first main part 1 gyration of pivot 11 synchronous revolution, under the prerequisite of fixed second main part 2, can retrain first main part 1 fast and keep the locking state, do not take place the gyration, even if at irregular long-term vibration in-process, through the effect of elastic component 32, can keep locking portion 33 and first plane 12's mutual restriction all the time, realize that locking device keeps the stability of locking state, improve the locking reliability between the space carrier part.
Further, on the basis of the above embodiment, two first lugs 13 are arranged on the first main body 1 at intervals, two second lugs 21 are arranged on the second main body 2 at intervals, and the rotating shaft 11 penetrates through the first lugs 13 and the second lugs 21 at the same time.
Through two first hangers 13 and two second hangers 21 interval arrangement in proper order, perhaps two second hangers 21 set up between two first hangers 13, so that first main part 1, be connected between second main part 2 and the pivot 11, set up two first hangers 13 and two second hangers 21 simultaneously, in order to improve between first main part 1 and the pivot 11, the stability of being connected between second main part 2 and the pivot 11, and two first hangers 13 of spaced or two second hangers 21 of spaced further improve for the support nature of pivot 11, improve overall stability.
Further, on the basis of the above embodiment, the fastening member 4 for preventing the rotation shaft 11 from separating from the first lug 13 or the second lug 21 is disposed at one end of the rotation shaft 11, so as to facilitate the detachment and installation of the rotation shaft 11 or the replacement of parts.
Further, on the basis of the above embodiment, the upper peripheral surface of the rotating shaft 11 has two second flat surfaces 14 parallel to each other, the distance between the two second flat surfaces 14 is smaller than the outer diameter of the rotating shaft 11, the first lug 13 has a fitting hole 15, when the rotating shaft 11 penetrates through the fitting hole 15, the inner wall of the fitting hole 15 contacts with the second flat surfaces 14 to limit the rotating shaft 11 from rotating relative to the first lug 13, so that the rotating shaft 11 is limited from moving in the fitting hole 15 along the axial direction by the two second flat surfaces 14 and the fitting hole 15, but cannot rotate in the fitting hole 15 around the axial direction of the rotating shaft 11, so that the rotating shaft 11 and the second flat surfaces 14 rotate synchronously.
Further, on the basis of the above embodiment, the base 31 is provided with the supporting block 36, and the side wall of the supporting block 36 is provided with the bracket 37 attached to the outer side wall of the locking portion 33, so that when the rotating shaft 11 is in the locking position, the bracket 37 and the first plane 12 are respectively in contact with two radial sides of the locking portion 33.
When the shaft 11 is located at the locking position, the locking portion 33 is pushed by the elastic member 32 to rise and pass through the opening 34, the side wall of the locking portion 33 contacts with the first plane 12 and limits the rotation of the shaft 11, the first plane 12 on the shaft 11 is supported by the locking portion 33, the shaft 11 cannot continue to rotate around the axis, a part of the locking portion 33 is located in the first cavity, a part of the locking portion 33 extends out of the first cavity, and the part extending out of the first cavity through the locking portion 33 and the shaft 11 form a constraint, that is, the locking portion 33 is pushed by the shaft 11, the support block 36 is located on the base 31, the bracket 37 on the support block 36 is attached to the outer side wall of the locking portion 33, the support block 36 forms a support for the locking portion 33, so that the locking portion 33 is prevented from being bent and deformed under the action of the shaft 11, and the stability of the locking portion 33 in the locking state is improved.
Further, in addition to the above embodiment, the locking portion 33 is provided with a sliding circular truncated cone 331, and an inner wall of the first cavity is attached to an outer wall of the sliding circular truncated cone 331.
Under the driving of the elastic element 32, the sliding circular table 331 slides up and down in the first cavity, and further drives the locking portion 33 to move up and down.
And the outer wall of the sliding round table 331 is attached to the inner wall of the first cavity, so as to ensure the position stability of the locking part 33 in the first cavity and avoid the deviation of the locking part 33.
Further, on the basis of the above embodiment, two sides of the sliding circular truncated cone 331 are respectively provided with a rectangular strip 38, two rectangular grooves 39 are provided on the side wall of the first cavity along the axial direction of the first cavity, and the rectangular strips 38 extend into the rectangular grooves 39 and slide along the length direction of the rectangular grooves 39.
The two rectangular strips 38 extend into the two rectangular grooves 39 and move up and down synchronously along with the circular truncated cones, the arc-shaped grooves guide the rectangular strips 38, the length extension direction of the rectangular grooves 39 is the same as the axial direction of the first cavity, the sliding circular truncated cones 331 are prevented from rotating around the axis of the first cavity in the lifting process, the locking portions 33 are restrained from moving up and down, deflection does not occur, the attaching degree of the locking portions 33 after extending out of the openings 34 and the first plane 12 on the rotating shaft 11 is improved, and the locking effect is improved.
Further, in the above embodiment, the elastic member 32 is a spring.
In addition to using a spring as the elastic member 32, other elastic members 32 that can push the locking portion 33 to extend out of the opening 34 can be used instead of the above spring.
Further, on the basis of the above embodiment, the first body 1 is provided with a supporting groove 16, the supporting groove 16 is provided with a through hole 17, when the rotating shaft 11 is located at the locking position, the base 31 is embedded into the supporting groove 16, and the through hole 17 corresponds to the base 35, and forms a channel for separating the base 35 from the base 31.
Specifically, if the first body 1 is rotated to form an angle of 180 ° with the second body 2 when the angle between the first body 1 and the second body 2 is set to be a locked state of the first body 1 and the second body 2, the first body 1 drives the rotating shaft 11 to rotate to a locked position, at this time, the elastic member 32 ejects the locking portion 33, the locking portion 33 extends to one side of the first plane 12 and contacts with the first plane 12 to form a limit on the rotating shaft 11, at this time, the first body 1 cannot rotate relative to the second body 2, and the base 31 is clamped in the abutting groove 16, so as to prevent the rotating shaft 11 from being stressed, improve the stability of the locked state of the first body 1 and the second body 2, if the locked state needs to be unlocked, the base 35 is detached through the through hole 17, after the base 35 is separated from the base 31, the base 35, the elastic member 32, and the locking portion 33 sequentially fall off from the through hole 17, after the locking part 33 is separated from the rotating shaft 11, the first body 1 and the second body 2 are in an unlocked state, and at this time, the first body 1 can rotate about the axis of the rotating shaft 11 again.
Further, on the basis of the above embodiment, the base 35 is screwed with the base 31, so that the base 35 can be detached from the base 31.
It should be understood that the terms first, second, etc. are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
It is to be understood that the terms "upper," "vertical," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship that is conventionally used for placing the disclosed articles of manufacture or that is conventionally understood by those skilled in the art, which is intended merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
The foregoing are merely exemplary embodiments of the present application and are presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An anti-swing lock device, comprising:
the first main body (1) is provided with a rotating shaft (11) which rotates synchronously;
the second main body (2) is arranged on the rotating shaft (11), the rotating shaft (11) penetrates through the second main body (2) so that the second main body (2) and the first main body (1) can rotate relatively, and a first plane (12) is arranged on the peripheral surface of the rotating shaft (11);
the locking mechanism comprises a base (31), an elastic piece (32) and a locking portion (33), wherein the base (31) is arranged on the second main body (2), a first cavity is arranged in the base (31), an opening (34) is formed in one side of the first cavity, a detachable base (35) is arranged on the other side of the first cavity, the locking portion (33) is arranged in the first cavity, one end of the locking portion can penetrate through the opening (34) and extend out of the first cavity, the elastic piece (32) is arranged between the locking portion (33) and the base (35) and enables the locking portion (33) to be ejected out from the opening (34) towards the direction of the rotating shaft (11), and the rotating shaft (11) is provided with a locking position so that the side wall of the locking portion (33) is in contact with the first plane (12) and limits rotation of the rotating shaft (11).
2. The anti-rollback locking device of claim 1, wherein: two first lugs (13) are arranged on the first main body (1) at intervals, two second lugs (21) are arranged on the second main body (2) at intervals, and the rotating shaft (11) penetrates through the first lugs (13) and the second lugs (21) simultaneously.
3. The anti-rollback locking device of claim 2, wherein: and one end of the rotating shaft (11) is provided with a fastener (4) for preventing the rotating shaft (11) and the first support lug (13) or the second support lug (21) from being separated.
4. The anti-rollback locking device of claim 1, wherein: the upper peripheral surface of the rotating shaft (11) is provided with two second planes (14) which are parallel to each other, the first support lug (13) is provided with a matching hole (15), and when the rotating shaft (11) penetrates through the matching hole (15), the inner wall of the matching hole (15) is in contact with the second planes (14) so as to limit the rotating shaft (11) to rotate relative to the first support lug (13).
5. The anti-rollback locking device of claim 1, wherein: the base (31) is provided with a supporting block (36), the side wall of the supporting block (36) is provided with a bracket (37) attached to the outer side wall of the locking part (33), so that when the rotating shaft (11) is located at the locking position, the bracket (37) and the first plane (12) are respectively contacted with the two radial sides of the locking part (33).
6. The anti-rollback locking device of claim 1, wherein: the locking part (33) is provided with a sliding round table (331), and the inner wall of the first cavity is attached to the outer wall of the sliding round table (331).
7. The anti-rollback locking device of claim 6, wherein: the sliding round table (331) is provided with two rectangular strips (38) on two sides, two rectangular grooves (39) are formed in the side wall of the first cavity along the axis direction of the first cavity, and the rectangular strips (38) extend into the rectangular grooves (39) and slide along the length direction of the rectangular grooves (39).
8. The anti-rollback locking device of claim 1, wherein: the elastic member (32) is a spring.
9. The anti-rollback locking device of claim 1, wherein: the first main body (1) is provided with a supporting groove (16), a through hole (17) is formed in the supporting groove (16), when the rotating shaft (11) is located at the locking position, the base (31) is clamped in the supporting groove (16), the through hole (17) corresponds to the base (35), and a channel for separating the base (35) from the base (31) is formed.
10. The anti-rollback locking device of claim 1, wherein: the base (35) is in threaded connection with the base (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111683761.8A CN114313312B (en) | 2021-12-31 | 2021-12-31 | Anti-rotation locking device for spaceflight carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111683761.8A CN114313312B (en) | 2021-12-31 | 2021-12-31 | Anti-rotation locking device for spaceflight carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114313312A true CN114313312A (en) | 2022-04-12 |
| CN114313312B CN114313312B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111683761.8A Active CN114313312B (en) | 2021-12-31 | 2021-12-31 | Anti-rotation locking device for spaceflight carrier |
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| CN (1) | CN114313312B (en) |
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| RU2514015C1 (en) * | 2012-12-07 | 2014-04-27 | Федеральное Государственное Унитарное Предприятие "Государственный научно-производственный ракетно-космический центр "ЦСКБ-Прогресс" (ФГУП "ГНПРКЦ "ЦСКБ-Прогресс") | Spacecraft light protection device cover assembly |
| CN109707726A (en) * | 2019-01-29 | 2019-05-03 | 李俊楠 | A kind of shaft connector and collapsible vehicle using motor |
| CN112498751A (en) * | 2020-12-15 | 2021-03-16 | 航天科工火箭技术有限公司 | Connecting and unlocking device |
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2021
- 2021-12-31 CN CN202111683761.8A patent/CN114313312B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212525Y (en) * | 2008-07-04 | 2009-03-25 | 兆利科技工业股份有限公司 | Coating type pivot structure with two limiters |
| CN201347942Y (en) * | 2008-12-22 | 2009-11-18 | 连鋐科技股份有限公司 | Double-pack pivot device with automatic locking function |
| FR2973778A1 (en) * | 2011-04-08 | 2012-10-12 | Centre Nat Etd Spatiales | Resettable locking and unlocking device for e.g. locking antenna mast in folded state during launching phase of artificial satellite, has support lip whose spherical cup shaped recesses receive balls in extended position of moving element |
| RU2514015C1 (en) * | 2012-12-07 | 2014-04-27 | Федеральное Государственное Унитарное Предприятие "Государственный научно-производственный ракетно-космический центр "ЦСКБ-Прогресс" (ФГУП "ГНПРКЦ "ЦСКБ-Прогресс") | Spacecraft light protection device cover assembly |
| CN109707726A (en) * | 2019-01-29 | 2019-05-03 | 李俊楠 | A kind of shaft connector and collapsible vehicle using motor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114313312B (en) | 2024-06-11 |
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