CN109760945B - Unlocking and locking device for cover body of sealed container for extraterrestrial celestial sample - Google Patents
Unlocking and locking device for cover body of sealed container for extraterrestrial celestial sample Download PDFInfo
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- CN109760945B CN109760945B CN201811527711.9A CN201811527711A CN109760945B CN 109760945 B CN109760945 B CN 109760945B CN 201811527711 A CN201811527711 A CN 201811527711A CN 109760945 B CN109760945 B CN 109760945B
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Abstract
The invention provides an unlocking and locking device for a cover body of an underground celestial sample sealed container, which comprises a cantilever, a lock pin, a tension spring and a locking disc, wherein the cantilever is arranged on the cantilever; the inner wall of the container is provided with a locking groove, a limiting boss is arranged in the locking groove, and the locking groove is divided into a primary locking position and a secondary locking position; the locking disc is rotatably connected with the cover body, the tail end of the locking disc is inserted into the locking groove, the upper surface of the locking disc is provided with a primary pin hole and a secondary pin hole, and meanwhile, a boss of the locking disc is arranged on the locking disc; one end of the tension spring is fixed on the cover body, and the other end of the tension spring is fixed on the locking disc; the cantilever is located the locking dish top, and one end is connected with the lid, can produce relative displacement with the lid along the axial, and the cantilever other end and external power source fixed connection, the cantilever below be equipped with respectively with primary pinhole and secondary pinhole complex lockpin and with locking dish boss complex cantilever boss, when the cantilever was along axial motion, the cantilever boss can be spacing and relieve spacing to locking dish circumference. The invention can realize the automatic unlocking and twice locking of the cover body and the container.
Description
Technical Field
The invention relates to the technical field of space vacuum sealing, in particular to an unlocking and locking device for a cover body of a sealed container for an extraterrestrial celestial sample.
Background
The rise of extraterrestrial celestial body detection expands the ways of understanding the universe by human beings. The development of extraterrestrial celestial body sampling return and surface detection tasks is an important means for human to research extraterrestrial celestial body characteristics, and provides clues for human to know the origin and evolution of solar system. The most direct method for studying the characteristics of extraterrestrial celestial bodies is to collect extraterrestrial celestial body material samples and return the extraterrestrial body material samples to the earth, and then analyze the material samples.
One of the key techniques for extraterrestrial celestial sampling return is sample preservation. The sample is stored by using the sample sealed container, so that the sample is prevented from being polluted by the external environment in the returning process, the state of the sample is consistent with the state of the sample in the extraterrestrial celestial body, and a more accurate analysis result can be provided. The extraterrestrial celestial sample packaging container is required to have the capability of preventing the sealing state from being accidentally released in a space environment, and the container cover body can be opened in a linkage manner to carry samples after the extraterrestrial sample packaging container reaches the surface of the extraterrestrial celestial sample packaging container, so that the packaging container cover body is required to be reliably locked and unlocked.
Disclosure of Invention
In view of this, the invention provides an unlocking and locking device for a cover body of an underground celestial body sample sealed container, which can realize automatic unlocking and twice locking of the cover body and the container.
The technical scheme adopted by the invention is as follows:
an unlocking and locking device for a cover body of a sealed container for an extraterrestrial celestial sample comprises a cantilever, a lock pin, a tension spring and a locking disc; the unlocking and locking objects are a cover body and a container; the inner wall of the container is provided with a locking groove, a limiting boss is arranged in the locking groove, and the limiting boss divides the locking groove into a primary locking position and a secondary locking position;
the locking disc is rotatably connected with the cover body, the tail end of the locking disc is inserted into a locking groove of the container, a primary pin hole and a secondary pin hole are formed in the upper surface of the locking disc, and meanwhile, a locking disc boss used for limiting circumferential rotation is arranged on the locking disc; one end of the tension spring is fixed on the cover body, and the other end of the tension spring is fixed on the locking disc;
the cantilever is positioned above the locking disc, one end of the cantilever is connected with the cover body and can generate a certain amount of relative displacement with the cover body along the axial direction, the other end of the cantilever is fixedly connected with an external power source, a lock pin matched with the primary pin hole and the secondary pin hole and a cantilever boss matched with the boss of the locking disc are arranged below the cantilever, and when the cantilever moves along the axial direction, the cantilever boss can circumferentially limit and relieve the limit of the locking disc;
the cantilever is driven by a driving source to move upwards, after the cantilever and the cover body relatively move for a certain distance, the lock pin is pulled out from the primary pin hole, the circumferential limit of the locking disc is released, the locking disc circumferentially rotates under the action of the tension spring, the locking disc is screwed out from the primary locking position of the locking groove and limited by the limit boss, and the primary unlocking of the locking disc is completed; the cantilever continues to move upwards, the cover body is separated from the container, the locking disc continues to rotate under the action of the tension spring and stops rotating under the limit of the cantilever boss, and at the moment, the locking disc is aligned with the inlet of the locking groove to complete the opening of the cover body; during secondary locking, the cantilever drives the cover body to descend, so that the locking disc enters the locking groove, the cantilever continues to descend until the boss of the cantilever and the boss of the locking disc are staggered, the locking disc rotates under the action of the tension spring to enter a secondary locking position of the locking groove, and the lock pin is inserted into a secondary pin hole of the locking disc to complete secondary locking.
Furthermore, the cantilever and the cover body are connected through a connecting disc, the connecting disc is located below the cover body and fixedly connected with the cantilever through a connecting rod, and after the cantilever and the cover body are displaced for a certain distance relatively, the connecting disc is fixedly connected with the cover body.
Furthermore, the cross section of the cantilever boss is L-shaped along the axial direction, and when the cantilever boss is limited in the circumferential direction, the horizontal part of the L-shaped boss is matched with the boss of the locking plate; when the cantilever moves along the axial direction, the L-shaped horizontal part is staggered with the boss of the locking plate, and the boss of the locking plate is rotated out from a gap formed by the L-shaped horizontal part and the locking plate in a surrounding way.
Has the advantages that:
the invention realizes the automatic unlocking and twice locking of the cover body and the container by using the linkage of the mechanism under the condition that only one power source drives the cantilever, so that the container is kept closed before opening the cover and after closing the cover, the structure is simple, the operation is reliable, and the samples in the container are effectively prevented from being polluted by the outside.
Drawings
FIG. 1 is a schematic structural view of an unlocking mechanism;
FIG. 2 is a half sectional view of the unlock lock mechanism;
FIG. 3 is a schematic view of a primary sealing state;
FIG. 4 is a structural half-sectional view in a primary sealing state;
FIG. 5 is a schematic view of a one-time unlock state;
FIG. 6 is a structural semi-sectional view of a one-time unlocked state;
FIG. 7 is a schematic view illustrating an opened state of the cover;
FIG. 8 is a schematic view of two locking positions of the container locking slot;
FIG. 9 is a schematic view of the end of the locking plate when the secondary closure is closed;
FIG. 10 is a schematic view showing the offset state of the cantilever boss and the locking disk boss.
The locking device comprises a cantilever 1, a locking pin 2, a locking disc 3, a cantilever boss 4, a locking disc boss 5, a cover body 6, a locking groove 7 and a tension spring 8.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides an unlocking and locking device for a cover body of an underground celestial body sample sealed container, which comprises a cantilever 1, a lock pin 2, a tension spring 8 and a locking disc 3 as shown in fig. 1 and 2, wherein the unlocking and locking objects are the cover body 6 and the container.
The container constitutes whole device frame, and the inner wall of container opening part is equipped with locking groove 7 along circumference, is equipped with spacing boss in the locking groove 7, and spacing boss divides locking groove 7 into primary locking position and secondary locking position, as shown in fig. 8.
The cover body 6 is arranged in the inner circle of the opening of the container and can be opened along the axial direction, the locking disc 3 is tightly pressed on the upper surface of the cover body 6, and the tail end of the locking disc 3 is inserted into the locking groove 7 of the container. Locking dish 3 rotates with lid 6 to be connected, and locking dish 3 upper surface is equipped with and lockpin 2 complex primary pin hole and secondary pin hole, is equipped with the locking dish boss 5 that is used for restricting circumferential rotation on the locking dish 3 simultaneously. One end of a tension spring 8 is fixed on the cover body 6, and the other end is fixed on the locking disc 3.
Cantilever 1 is located locking dish 3 top, and one end is passed through the connection pad and is connected with lid 6, and the connection pad is located lid 6 below, and the connection pad passes through connecting rod and cantilever 1 fixed connection, and after cantilever 1 produced a certain amount of relative displacement along the axial with lid 6, connection pad and lid 6 fixed connection, the cantilever 1 other end and external power source fixed connection, cantilever 1 below be equipped with respectively with primary pin hole and secondary pin hole complex lockpin 2 and with locking dish boss 5 complex cantilever boss 4. The cantilever boss 4 is L-shaped along the axial section, and the horizontal part of the L-shape is matched with the locking disc boss 5 when the circumferential limit is carried out; when the arm 1 moves axially, the L-shaped horizontal portion is offset from the locking plate boss 5, and the locking plate boss 5 is rotated out of the gap formed by the L-shaped horizontal portion and the locking plate 3, as shown in fig. 10.
The sample container and the lid are initially locked together as shown in fig. 3 and 4. The cover body 6 of the device is closed, the locking disc 3 is pressed on the cover body 6, the locking disc 3 is positioned in the primary locking position of the container locking groove 7, and the locking pin 2 is inserted into the primary pin hole of the locking disc 3.
As shown in fig. 5 and 6, when the cover 5 is opened, the arm 1 is lifted by a force F provided by the driving source. At this time, the cover body 6 is not unlocked and is fixed. After the cantilever 1 is lifted for a certain distance, the lock pin 2 leaves the primary pin hole of the locking disc 3, and the limit is removed. The locking disc 3 rotates under the action of the tension spring 8, rotates to the limiting boss of the container locking groove 7, stops rotating by the limiting boss, and completes one-time unlocking of the cover body 5.
The cantilever 1 continues to be lifted, the cover body 5 is lifted out of the container, the locking disc 3 rotates under the action of the tension spring 8 after being separated from the container locking groove 7 until being aligned with the secondary locking position inlet of the container locking groove 7, the locking disc boss 5 is blocked by the cantilever boss 4, the locking disc 3 stops rotating, and the opening of the cover body 5 is completed, as shown in fig. 7.
When the cover body 5 is closed, the cantilever 1 drives the cover body 5 to descend, the locking disc 3 enters the container locking groove 7, and the cover body 5 is closed in place and stops descending. The cantilever 1 continues to descend and when the cantilever boss 4 disengages from the locking disk boss 5, the locking disk 3 rotates again into the secondary locking position of the container locking slot 7. The locking pin 2 is inserted into the secondary pin hole of the locking disc 3 to limit the rotation of the locking disc 3, and the secondary locking of the cover body 5 is completed, as shown in fig. 9.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An unlocking and locking device for a cover body of a sealed container for an extraterrestrial celestial sample is characterized by comprising a cantilever, a lock pin, a tension spring and a locking disc; the unlocking and locking objects are a cover body and a container; the inner wall of the container is provided with a locking groove, a limiting boss is arranged in the locking groove, and the limiting boss divides the locking groove into a primary locking position and a secondary locking position;
the locking disc is rotatably connected with the cover body, the tail end of the locking disc is inserted into a locking groove of the container, a primary pin hole and a secondary pin hole are formed in the upper surface of the locking disc, and meanwhile, a locking disc boss used for limiting circumferential rotation is arranged on the locking disc; one end of the tension spring is fixed on the cover body, and the other end of the tension spring is fixed on the locking disc;
the cantilever is positioned above the locking disc, one end of the cantilever is connected with the cover body and can generate a certain amount of relative displacement with the cover body along the axial direction, the other end of the cantilever is fixedly connected with an external power source, a lock pin matched with the primary pin hole and the secondary pin hole and a cantilever boss matched with the boss of the locking disc are arranged below the cantilever, and when the cantilever moves along the axial direction, the cantilever boss can circumferentially limit and relieve the limit of the locking disc;
the cantilever is driven by a driving source to move upwards, after the cantilever and the cover body relatively move for a certain distance, the lock pin is pulled out from the primary pin hole, the circumferential limit of the locking disc is released, the locking disc circumferentially rotates under the action of the tension spring, the locking disc is screwed out from the primary locking position of the locking groove and limited by the limit boss, and the primary unlocking of the locking disc is completed; the cantilever continues to move upwards, the cover body is separated from the container, the locking disc continues to rotate under the action of the tension spring and stops rotating under the limit of the cantilever boss, and at the moment, the locking disc is aligned with the inlet of the locking groove to complete the opening of the cover body; during secondary locking, the cantilever drives the cover body to descend, so that the locking disc enters the locking groove, the cantilever continues to descend until the boss of the cantilever and the boss of the locking disc are staggered, the locking disc rotates under the action of the tension spring to enter a secondary locking position of the locking groove, and the lock pin is inserted into a secondary pin hole of the locking disc to complete secondary locking.
2. The device for unlocking and locking the cover of the extraterrestrial celestial sample sealed container of claim 1, wherein the cantilever is connected to the cover via a connecting plate, the connecting plate is located below the cover, the connecting plate is fixedly connected to the cantilever via a connecting rod, and the connecting plate is fixedly connected to the cover after the cantilever is displaced a certain distance relative to the cover.
3. The device for unlocking and locking the cover of the extraterrestrial celestial sample sealed container of claim 1, wherein the cantilever boss has an L-shaped cross section along an axial direction, and a horizontal portion of the L-shaped cross section is engaged with the boss of the locking plate during circumferential position limiting; when the cantilever moves along the axial direction, the L-shaped horizontal part is staggered with the boss of the locking plate, and the boss of the locking plate is rotated out from a gap formed by the L-shaped horizontal part and the locking plate in a surrounding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527711.9A CN109760945B (en) | 2018-12-13 | 2018-12-13 | Unlocking and locking device for cover body of sealed container for extraterrestrial celestial sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527711.9A CN109760945B (en) | 2018-12-13 | 2018-12-13 | Unlocking and locking device for cover body of sealed container for extraterrestrial celestial sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109760945A CN109760945A (en) | 2019-05-17 |
| CN109760945B true CN109760945B (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811527711.9A Active CN109760945B (en) | 2018-12-13 | 2018-12-13 | Unlocking and locking device for cover body of sealed container for extraterrestrial celestial sample |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110482045B (en) * | 2019-09-03 | 2021-08-06 | 扬州北方空压机有限公司 | Manhole cover capable of being sealed quickly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08199875A (en) * | 1995-01-27 | 1996-08-06 | Kumahira Safe Co Inc | Door body fastening operation device equipped with nonoperative mechanism |
| CN103693256A (en) * | 2013-12-17 | 2014-04-02 | 兰州空间技术物理研究所 | Device and method for unsealing sample sealing device |
| CN205525662U (en) * | 2016-04-08 | 2016-08-31 | 杭州景业智能科技有限公司 | From locking -type double container lid |
| CN107296491A (en) * | 2017-07-05 | 2017-10-27 | 珠海格力电器股份有限公司 | A kind of pot lid component and its pot tool |
| CN108974620A (en) * | 2018-06-15 | 2018-12-11 | 中国核电工程有限公司 | Bung automatic unlocking and automatic locking mechanism |
-
2018
- 2018-12-13 CN CN201811527711.9A patent/CN109760945B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08199875A (en) * | 1995-01-27 | 1996-08-06 | Kumahira Safe Co Inc | Door body fastening operation device equipped with nonoperative mechanism |
| CN103693256A (en) * | 2013-12-17 | 2014-04-02 | 兰州空间技术物理研究所 | Device and method for unsealing sample sealing device |
| CN205525662U (en) * | 2016-04-08 | 2016-08-31 | 杭州景业智能科技有限公司 | From locking -type double container lid |
| CN107296491A (en) * | 2017-07-05 | 2017-10-27 | 珠海格力电器股份有限公司 | A kind of pot lid component and its pot tool |
| CN108974620A (en) * | 2018-06-15 | 2018-12-11 | 中国核电工程有限公司 | Bung automatic unlocking and automatic locking mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 一种新型深空探测样品封装技术;杜永刚,杨震春,付朝晖,王先荣;《航天器工程》;20141031;第23卷(第5期);第47-53页 * |
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| CN109760945A (en) | 2019-05-17 |
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