CN110145526A - Locking mechanism - Google Patents

Locking mechanism Download PDF

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Publication number
CN110145526A
CN110145526A CN201910268822.0A CN201910268822A CN110145526A CN 110145526 A CN110145526 A CN 110145526A CN 201910268822 A CN201910268822 A CN 201910268822A CN 110145526 A CN110145526 A CN 110145526A
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CN
China
Prior art keywords
sleeve
axis
locking mechanism
slotting
safety plug
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Granted
Application number
CN201910268822.0A
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Chinese (zh)
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CN110145526B (en
Inventor
顾帅华
肖开阳
何才启
吴天宇
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Shanghai Institute of Space Propulsion
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Shanghai Institute of Space Propulsion
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Priority to CN201910268822.0A priority Critical patent/CN110145526B/en
Publication of CN110145526A publication Critical patent/CN110145526A/en
Application granted granted Critical
Publication of CN110145526B publication Critical patent/CN110145526B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/02Releasable fastening devices locking by rotation
    • F16B21/04Releasable fastening devices locking by rotation with bayonet catch

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The present invention provides a kind of locking mechanism, the present invention can solve Aerospace Products it is in-orbit when the demands such as maintenance, replacement, and require easy to operate, connection is reliable, the place that when state in-orbit suitable for Aerospace Products needs to be fastenedly connected.The locking mechanism is made of sleeve assembly and slotting shaft assembly two parts, and slotting shaft assembly can be carried out " comprehensive enclosed " locking by sleeve assembly, and locking mode is safe and reliable, and can be realized comprehensive micro floating and adjustment.Wherein, sleeve assembly and slotting shaft assembly can be separately fixed on two objects, when protecting cap is connect with object A, and pedestal is connect with object B, can realize the rapid reliable connection of object A and object B, and can be realized comprehensive micro floating and adjustment.Using the locking mechanism can be realized two objects rapidly reliably connection and locking.The locking mechanism has the characteristics that small in size, operation is succinct, high reliablity.

Description

Locking mechanism
Technical field
The present invention relates to a kind of locking mechanisms.
Background technique
At present when the in-orbit state of Aerospace Products, there is part single machine there are the demands such as maintainable technology on-orbit, replacement, it is therefore desirable to one The simple reliable mechanism of kind, can satisfy the operation that single machine carries out repeated multiple times dismounting under in-orbit state, and require operation letter Single, connection is reliable, has certain craftsmanship, does not generate fifth wheel.
Summary of the invention
The purpose of the present invention is to provide a kind of locking mechanisms.
To solve the above problems, the present invention provides a kind of locking mechanism, comprising: relief spring, safety plug, sleeve reset Spring, pedestal, protecting cap, socket cover, adjustable spring insert axis, floating seal ring, dustband, wherein relief spring, safety plug, Sleeve, protecting cap, socket cover and adjustable spring form sleeve assembly;The reset spring, pedestal, insert axis, floating seal ring and Dustband, which forms, inserts shaft assembly, and the sleeve assembly and slotting shaft assembly are mutually indepedent, wherein
The sleeve assembly is connect using the protecting cap with object A, and the slotting shaft assembly utilizes the pedestal and object B Connection;
Adjustable spring is fixed in socket cover, and sleeve is connected with socket cover by fastener;
Safety plug is inserted into sleeve;
Relief spring is fitted into safety plug, and protecting cap is connect with the relief spring;
The floating seal ring, dustband and reset spring are mounted on slotting axis, the bottom end of the slotting axis and the pedestal The top of connection, the slotting axis is inserted into the latch groove of sleeve.
Further, in above-mentioned locking mechanism, when being in locking states, the state of the slotting axis is comprehensive locking State.
Further, in above-mentioned locking mechanism, when the slotting axis and sleeve are after axial limiting, the safety plug is utilized Slotting axis is subjected to circumferential limit, four bolts of the safety plug are slightly less than four insurance cotter ways in sleeve, insert axis and are resetting Under the action of spring, circumferentially there are micro floating and adjustment.
Further, in above-mentioned locking mechanism, the slotting axis realizes radial limit under the constraint of pedestal, inserts axis benefit With floating seal ring, radially to have micro floating and adjustment.
Further, in above-mentioned locking mechanism, when the slotting axis is in omnidirection locking states, relief spring ensures Safety plug is in locked position.
Further, it in above-mentioned locking mechanism, when the safety plug is extracted, inserts axis and turns under the action of reset spring Preset angle is crossed, locked position is left, at this time i.e. separable slotting axis and sleeve.
Further, in above-mentioned locking mechanism, the dustband is for preventing sundries access mechanism.
Further, in above-mentioned locking mechanism, during locking, when slotting shaft assembly is being axially moved to latched position Afterwards, if continuing to be axially moved, adjustable spring, which will be compressed into minimum state, can not continue to compress;The end face of pedestal and sleeve will be sent out Raw contact further limits slotting shaft assembly and is axially moved.
Further, in above-mentioned locking mechanism, the head of the slotting axis is fillet and sleeve bottom is fillet, in locking In operating process, the fillet on the head of the slotting axis and the fillet of sleeve bottom, so that plugging together process in the horizontal direction has centainly Guiding role and fault-tolerance.
Further, in above-mentioned locking mechanism, the sleeve and slotting axis are using in the protrusion and slotting axis in sleeve lining Protrusion, limited axially, between two in the sleeve protrusion between be larger than protrusion on slotting axis, insert axis benefit With adjustable spring, it is made axially to have micro floating and adjustment.
Further, it in above-mentioned locking mechanism, in lock operation, inserts axis and is inserted into sleeve to designated position, at this point, insurance It sells and is raised under the raised role for inserting axis axially;Slotting axis turns over special angle, at this point, effect of the safety plug in relief spring Under axially fall, reach setting spacing place.
Further, in above-mentioned locking mechanism, in unlock operation, safety plug is lifted, lift to setting solution lock-bit, at this point, Inserting axis will be turned over certain angle under the action of reset spring, go to unlocked position;It extracts and inserts axis.
Compared with prior art, the present invention can solve Aerospace Products it is in-orbit when the demands such as maintenance, replacement, and want Ask easy to operate, connection is reliable, the place that when state in-orbit suitable for Aerospace Products needs to be fastenedly connected.The locking mechanism It being made of sleeve assembly and slotting shaft assembly two parts, slotting shaft assembly can be carried out " comprehensive enclosed " locking by sleeve assembly, Locking mode is safe and reliable, and can be realized comprehensive micro floating and adjustment.Wherein, sleeve assembly and slotting shaft assembly can It is separately fixed on two objects, when protecting cap 6 is connect with object A, and pedestal 5 is connect with object B, can realize object A With the rapid reliable connection of object B, and comprehensive micro floating and adjustment can be realized.It can be real using the locking mechanism Existing two objects reliably connect rapidly and locking.The locking mechanism has the characteristics that small in size, operation is succinct, high reliablity.
Detailed description of the invention
Fig. 1 is the assembling assumption diagram of the locking mechanism of one embodiment of the invention;
Fig. 2 is the top view of the sleeve assembly of one embodiment of the invention;
Fig. 3 is the side view of the sleeve assembly of one embodiment of the invention;
Fig. 4 is the side view of the slotting shaft assembly of one embodiment of the invention;
Fig. 5 is the top view of the slotting shaft assembly of one embodiment of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
As shown in Fig. 1~5, the present invention provides a kind of locking mechanism, comprising: relief spring 1, safety plug 2, sleeve 3 reset Spring 4, pedestal 5, protecting cap 6, socket cover 7, adjustable spring 8 insert axis 9, floating seal ring 10, dustband 11, wherein insurance bullet Spring 1, safety plug 2, sleeve 3, protecting cap 6, socket cover 7, adjustable spring 8 form sleeve assembly;The reset spring 4, pedestal 5, Axis 9, floating seal ring 10 are inserted, dustband 11, which forms, inserts shaft assembly, and sleeve assembly and slotting shaft assembly are mutually indepedent, wherein
The sleeve assembly is connect using the protecting cap 6 with object A, and the slotting shaft assembly utilizes the pedestal 5 and object Body B connection;
Adjustable spring 8 is fixed in socket cover 7, and sleeve 3 is connected with socket cover 7 by fastener;
Safety plug 2 is inserted into sleeve 3;
Relief spring 1 is fitted into safety plug 2, and protecting cap 6 is connect with the relief spring 1;
The floating seal ring 10, dustband 11 and reset spring 4 are mounted on slotting axis 9, the bottom end of the slotting axis 9 and institute The connection of pedestal 5 is stated, the top of the slotting axis 9 is inserted into the latch groove of sleeve 3.
Here, when specifically used, including following installation steps:
1) adjustable spring 8 is fixed in socket cover 7, is then attached sleeve 3 and socket cover 7 using fastener;
2) safety plug 2 is inserted into sleeve 3;
3) relief spring 1 is fitted into safety plug 2, and loads onto protecting cap 6, so far, complete the assembly of sleeve assembly;
4) floating seal ring 10, dustband 11 and reset spring 4 are installed on slotting axis 9;
5) slotting axis 9 is fitted into pedestal 5, and the other end of reset spring 4 is fixed on pedestal 5, so far, complete to insert axis The assembly of component;
6) sleeve assembly can be connect using protecting cap 6 with object A, and inserting axis 9 can be connected using pedestal 5 and object B It connects;
7) slotting axis 9 is inserted into sleeve 3, after axial movement in place, is rotated a certain angle, then safety plug 2 can protected It is automatically inserted into the latch groove of sleeve 3 under the action of dangerous spring 1.
So far, the locking functions of entire locking mechanism are realized.
The present invention can solve Aerospace Products it is in-orbit when the demands such as maintenance, replacement, and require easy to operate, connection Reliably, the place for needing to be fastenedly connected when state in-orbit suitable for Aerospace Products.The locking mechanism is by sleeve assembly and inserts Slotting shaft assembly can be carried out " comprehensive enclosed " locking by shaft assembly two parts composition, sleeve assembly, and locking mode safely may be used It leans on, and can be realized comprehensive micro floating and adjustment.Wherein, sleeve assembly and slotting shaft assembly can be separately fixed at two On object, when protecting cap 6 is connect with object A, and pedestal 5 is connect with object B, it can realize that object A and the rapid of object B can The connection leaned on, and can be realized comprehensive micro floating and adjustment.It is rapid to can be realized two objects using the locking mechanism Reliable connection and locking.The locking mechanism has the characteristics that small in size, operation is succinct, high reliablity.
In one embodiment of locking mechanism of the invention, when being in locking states, the state for inserting axis 9 is comprehensive locking shape State.
It is raised and slotting in the sleeve 3 and utilization 3 inner wall of sleeve of slotting axis 9 in one embodiment of locking mechanism of the invention Protrusion on axis 9, axially limited, between two protrusions in the sleeve 3 between be larger than it is convex on slotting axis 9 It rises, inserts axis 9 and utilize adjustable spring 8, it is made axially to have micro floating and adjustment.
In one embodiment of locking mechanism of the invention, when the slotting axis 9 and sleeve 3 are after axial limiting, the guarantor is utilized Slotting axis 9 is carried out circumferential limit by dangerous pin 2, and four bolts of the safety plug 2 are slightly less than four insurance cotter ways in sleeve 3, is inserted Axis 9 is circumferentially having micro floating and adjustment under the action of reset spring 4.
In one embodiment of locking mechanism of the invention, the slotting axis 9 realizes radial limit, inserts axis under the constraint of pedestal 5 9 utilize floating seal ring 10, radially to have micro floating and adjustment.
In one embodiment of locking mechanism of the invention, when the slotting axis 9 is in omnidirection locking states, relief spring 1 Ensure that safety plug 2 is in locked position, voluntarily leaves locked position to avoid safety plug 2, locking is caused to fail.
In one embodiment of locking mechanism of the invention, when the safety plug 2 is extracted, axis 9 is inserted in the effect of reset spring 4 Under turn over preset angle, leave locked position, at this time i.e. separable slotting axis 9 and sleeve 3.
In one embodiment of locking mechanism of the invention, the dustband 11 is for preventing dust and other impurities access mechanism.
In one embodiment of locking mechanism of the invention, during locking, when slotting shaft assembly is being axially moved to locking bit It postpones, if continuing to be axially moved, firstly, adjustable spring 8 will be compressed into minimum state, can not continue to compress;Secondly, pedestal 5 It will be in contact with the end face of sleeve 3, and further limit and insert shaft assembly axial movement.This at two limit be that locking mechanism component mentions Axial fault-tolerance is supplied.
In one embodiment of locking mechanism of the invention, the head of the slotting axis 9 is fillet and 3 bottom of sleeve is fillet, During lock operation, the fillet of 3 bottom of fillet and sleeve on the head of the slotting axis 9, so as to plug together process in the horizontal direction There are certain guiding role and fault-tolerance.
In one embodiment of locking mechanism of the invention, lock operation is carried out in two steps, and the first step is that slotting axis 9 is inserted into sleeve 3 arrive designated position, at this point, safety plug 2 can be raised under the raised role for inserting axis 9 axially;Second step is to turn over slotting axis 9 Special angle reaches setting spacing place, can be realized at this point, safety plug 2 can be fallen under the action of relief spring 1 axially Locking functions.
In one embodiment of locking mechanism of the invention, unlock operation is carried out in two steps, and the first step is to lift safety plug 2, Lift goes to unlocked position at this point, inserting axis 9 will be turned over certain angle under the action of reset spring 4 to setting solution lock-bit;Second Step inserts axis 9 to extract, and unlocking function can be realized.
Compared with prior art, the present invention has following beneficial effect:
1) locking mechanism is easy to operate when in use, it is only necessary to which locking can be completed in axial movement and a certain amount of rotation And unlock;
2) locking mechanism does not generate part additionally in locking and unlocked state, avoids part and falls or lose Risk;
3) locking mechanism is in locking states, is " comprehensive enclosed " locking states, and comprehensive can meet Slight floating and adjustment;
4) locking mechanism has the characteristics that lightweight, operates simple, high reliability.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Obviously, those skilled in the art can carry out various modification and variations without departing from spirit of the invention to invention And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it Interior, then the invention is also intended to include including these modification and variations.

Claims (12)

1. a kind of locking mechanism characterized by comprising relief spring, safety plug, sleeve, reset spring, pedestal, protecting cap, Socket cover, adjustable spring insert axis, floating seal ring, dustband, wherein relief spring, safety plug, sleeve, protecting cap, sleeve Lid and adjustable spring form sleeve assembly;The reset spring, pedestal insert axis, and floating seal ring and dustband, which form, inserts axis group Part, the sleeve assembly and slotting shaft assembly are mutually indepedent, wherein
The sleeve assembly is connect using the protecting cap with object A, and the slotting shaft assembly is connected using the pedestal and object B It connects;
Adjustable spring is fixed in socket cover, and sleeve is connected with socket cover by fastener;
Safety plug is inserted into sleeve;
Relief spring is fitted into safety plug, and protecting cap is connect with the relief spring;
The floating seal ring, dustband and reset spring are mounted on slotting axis, and the bottom end of the slotting axis is connect with the pedestal, In the latch groove of the top insertion sleeve of the slotting axis.
2. locking mechanism as described in claim 1, which is characterized in that when being in locking states, the state of the slotting axis is Comprehensive locking states.
3. locking mechanism as described in claim 1, which is characterized in that when the slotting axis and sleeve are after axial limiting, utilize Slotting axis is carried out circumferential limit by the safety plug, and four bolts of the safety plug are slightly less than four insurance cotter ways in sleeve, Axis is inserted under the action of reset spring, is circumferentially there is micro floating and adjustment.
4. locking mechanism as described in claim 1, which is characterized in that the slotting axis realizes radial limit under the constraint of pedestal Position inserts axis and utilizes floating seal ring, radially to have micro floating and adjustment.
5. locking mechanism as described in claim 1, which is characterized in that when the slotting axis is in omnidirection locking states, protect Dangerous spring ensures that safety plug is in locked position.
6. locking mechanism as described in claim 1, which is characterized in that when the safety plug is extracted, insert axis in reset spring Under the action of turn over preset angle, leave locked position, at this time i.e. separable slotting axis and sleeve.
7. locking mechanism as described in claim 1, which is characterized in that the dustband is for preventing sundries access mechanism.
8. locking mechanism as described in claim 1, which is characterized in that during locking, when slotting shaft assembly is being axially moved To latched position, if continuing to be axially moved, adjustable spring will be compressed into minimum state, can not continue to compress;Pedestal and set The end face of cylinder will be in contact, and further be limited and be inserted shaft assembly axial movement.
9. locking mechanism as described in claim 1, which is characterized in that the head of the slotting axis is fillet and sleeve bottom is round Angle, during lock operation, the fillet on the head of the slotting axis and the fillet of sleeve bottom, so as to plug together process in level side To having certain guiding role and fault-tolerance.
10. locking mechanism as described in claim 1, which is characterized in that the sleeve and slotting axis are using convex in sleeve lining Rise and slotting axis on protrusion, axially limited, between two in the sleeve protrusion between be larger than on slotting axis Protrusion inserts axis and utilizes adjustable spring, it is made axially to have micro floating and adjustment.
11. locking mechanism as claimed in claim 10, which is characterized in that in lock operation, insert axis and be inserted into sleeve to specific bit It sets, at this point, safety plug is raised under the raised role for inserting axis axially;Slotting axis turns over special angle, at this point, safety plug is being protected It is fallen under the action of dangerous spring axially, reaches setting spacing place.
12. locking mechanism as described in claim 1, which is characterized in that in unlock operation, safety plug is lifted, lift to setting solution Lock-bit goes to unlocked position at this point, inserting axis will be turned over certain angle under the action of reset spring;It extracts and inserts axis.
CN201910268822.0A 2019-04-04 2019-04-04 Locking mechanism Active CN110145526B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910268822.0A CN110145526B (en) 2019-04-04 2019-04-04 Locking mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910268822.0A CN110145526B (en) 2019-04-04 2019-04-04 Locking mechanism

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Publication Number Publication Date
CN110145526A true CN110145526A (en) 2019-08-20
CN110145526B CN110145526B (en) 2021-04-13

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111037521A (en) * 2019-12-31 2020-04-21 青岛中加特电气股份有限公司 Rotating shaft locking mechanism and motor maintenance workbench

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1197421A (en) * 1968-01-09 1970-07-01 Rex Chainbelt Inc Adjustable Quick Acting Fastener
CN1151200A (en) * 1994-05-04 1997-06-04 莫里斯·佩蒂格纳特 Device for joining two elements
CN201068919Y (en) * 2007-08-14 2008-06-04 中国重汽集团济南技术中心有限公司 Locking device
CN104641515A (en) * 2012-09-20 2015-05-20 Abb技术有限公司 Connecting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1197421A (en) * 1968-01-09 1970-07-01 Rex Chainbelt Inc Adjustable Quick Acting Fastener
CN1151200A (en) * 1994-05-04 1997-06-04 莫里斯·佩蒂格纳特 Device for joining two elements
CN201068919Y (en) * 2007-08-14 2008-06-04 中国重汽集团济南技术中心有限公司 Locking device
CN104641515A (en) * 2012-09-20 2015-05-20 Abb技术有限公司 Connecting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111037521A (en) * 2019-12-31 2020-04-21 青岛中加特电气股份有限公司 Rotating shaft locking mechanism and motor maintenance workbench
CN111037521B (en) * 2019-12-31 2021-05-28 青岛中加特电气股份有限公司 Rotating shaft locking mechanism and motor maintenance workbench

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