CN112397972A - Quick plug locking extractor of airborne electronic module without tool - Google Patents
Quick plug locking extractor of airborne electronic module without tool Download PDFInfo
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- CN112397972A CN112397972A CN202011195504.5A CN202011195504A CN112397972A CN 112397972 A CN112397972 A CN 112397972A CN 202011195504 A CN202011195504 A CN 202011195504A CN 112397972 A CN112397972 A CN 112397972A
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 241000282414 Homo sapiens Species 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
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Abstract
The tool-free quick plugging and locking puller for the onboard electronic module, disclosed by the invention, has the advantages of simple and compact structure, convenience in plugging and pulling and reliability in locking. The invention is realized by the following technical scheme: a duckbilled pulling rod roller is assembled on a fork lug at the root part of the pulling rod, and a rotating shaft provided with a threaded head is fixed in a pin hole of a lug of the pulling rod through a shaft sleeve; wedge both sides picture peg inserts support elbow slot after, through the pivot, connects as an organic whole with pull-out pole fork pocket lug, and support elbow slot both sides wall male pull-out pole lug and wedge pass through the pivot forms the locking mechanism who rotates the connection around the pivot revolute pair, and pull-out pole 1 revolves the rotation of axes, will pull-out pole gyro wheel insert equipment quick-witted case's frame kicking block fluting through lever principle, under the reverse force F1 effect at the fluting root, will pull-out 1 to electronic module compresses tightly, and reset spring compresses tightly to realize reset spring compression, reset, compress tightly the plug locker of locking or separation in the frame with electronic module left and right direction.
Description
Technical Field
The invention belongs to the technology of fasteners, and relates to a plug locking device for an external field replaceable module of airborne electronic equipment.
Background
With the development of integrated avionics systems, highly integrated field replaceable modules (LRMs) are increasingly required, and the circuit boards in electronic devices need to be reliably locked, so that plug-in locking devices (IEDs) meeting the requirement for fast field replacement are essential important components in field replaceable module applications. Meanwhile, in order to facilitate the disassembly and assembly of the module, a locking strip and a puller are usually installed on the module to facilitate the locking and the plugging. When the module is pushed into and pulled out of the equipment chassis, the electric connector is engaged or separated, and the plugging device is used for providing and overcoming plugging force required by the engagement or separation of the electric connector, so that the movement track of the module during assembly and disassembly is ensured to be linear sliding, and the external force applied to the module is ensured not to be transmitted to the terminal of the electric connector to cause mechanical damage or electrical property failure. The field replaceable module (LRM) is not only concerned with proper attachment and locking of the module, but also with proper operation of the LRM and the mounting frame. Under some special environmental conditions, the plug locking device bears complex environmental stress, and whether the requirement of environmental adaptability can be met is an important index for measuring the plug locking device. In order to solve the problems that an LRM module of a field replaceable module is rapidly installed and detached in an installation box and meets increasingly strict requirements for short-time maintenance, a tool-maintenance-free puller for rapid plugging and locking needs to be designed for an electronic module on an equipment rack according to the requirement that a customer needs to respond rapidly in the equipment maintenance process. At present, replaceable electronic modules mostly use a plug device which is composed of two parts, namely a locking mechanism and a locker. The locking mechanism of the pulling device is arranged on the front panel of the LRM module, the locker is arranged on the module installation box, and the LRM module can be quickly installed and detached on the installation box through the compression joint and the separation between the LRM module and the module installation box. However, the device can only play a role in limiting the initial locking of the module, and the locking of the module also needs to be provided with a locking strip or screwed on an equipment frame. This makes plugging and unplugging the modules require special tools, is extremely inconvenient and time consuming. Because the pulling rod and the slidable locking block of the existing locking pulling device are usually positioned on the same mechanism and integrally slide, the module can be inserted in place under the condition that the insertion and extraction force is greater than the locking force.
The plugging device is arranged on a field replaceable module LRM with the width multiplied by the height of 233.4mm multiplied by 160mm, bears an airborne service environment with the overload acceleration of 13.5g, has the module weight of 2kg, and requires that the time for disassembling and assembling the module is not more than 2 s. The conventional LRM locking and pulling device is an independent pulling device and a locking strip, a screw of the locking strip needs to be rotated for locking, and a special tool needs to be used and certain time is consumed during maintenance. At present, the locking and pulling integrated locker has the advantages that the cam of the plugging device rotates to drive the locking wedge block to move, the wedge block extrudes the elastic component to realize the module locking function, and the locker mainly has the following defects: the pulling rod and the slidable locking block are positioned on the same mechanism and slide simultaneously, so that the module is not inserted in place under the condition that the insertion and extraction force is greater than the locking force.
Disclosure of Invention
The invention aims to solve the problem that the existing electronic module plugging device cannot give consideration to module locking, and provides a tool-free quick plugging and locking puller for an airborne electronic module, which has the advantages of simple and compact structure, convenience in plugging and pulling, reliability in locking and more convenience and labor saving.
The technical scheme adopted by the invention to solve the problems is as follows: the utility model provides an on-board electronic module exempts from quick plug locking extraction ware of instrument, includes: install on electronic module front panel and make the curved boom support 2 of rectangle elongated slot, insert the wedge 3 in the elbow slot of the curved boom support 2 front end, through the pole hole at rectangle elongated slot both ends inserts the pull-up lever 1 that 5 connects of pivot, its characterized in that: a duckbilled pulling rod roller 12 is assembled on a fork ear at the root part of the pulling rod 1, a torsion spring 8 is assembled on a shaft sleeve 7 and is embedded in the fork ear behind the pulling rod roller 12, and a rotating shaft 5 provided with a threaded head fixes the shaft sleeve 7 in a pin hole of a lug of the pulling rod 1 through the shaft sleeve 7 and a gasket 6; a wedge-shaped block 3 is arranged on the back plate and is matched with the spring cover plate, a return spring 4 below the spring cover plate is fixed on a spring seat of an elbow slot of the bent arm support 2, after inserting plates at two sides of the wedge-shaped block 3 into the elbow slot of the bent arm support 2, the lugs of the fork grooves of the pulling rod 1 are connected into a whole through the rotating shaft 5, the lugs of the pulling rod 1 and the wedge blocks 3 inserted into the two side walls of the elbow inserting grooves of the bent arm support 2 form a locking mechanism which is rotationally connected around a rotating pair of the rotating shaft 5 through the rotating shaft 5, the pulling rod 1 rotates around the rotating shaft 5, the lifting rod roller 12 is inserted into the slot of the frame top block 11 of the equipment cabinet by the lever principle, under the action of the reverse force F1 at the root of the slot, the pulling rod 1 is pressed to the electronic module, the return spring 4 is compressed, thereby realize reset spring 4 compression, reset, compress tightly the plug locker that locking or separation was locked in the frame to the electronic module left and right direction.
Compared with the existing extractor, the extractor has the following advantages:
simple and compact structure and convenient plugging. The rectangular long groove of the bent arm support 2 is arranged on the front panel of the LRM module, the wedge-shaped block 3 inserted into the elbow slot at the front end of the bent arm support 2 is inserted, and the pulling rod 1 connected with the rotating shaft 5 is inserted into the two ends of the rectangular long groove, so that the structure is simple and compact, and the design weight of the module and the rack can be reduced. When the locking extractor is used, ribs on two sides of the module do not need to have the length of the ribs of the module like a locking strip, and the length of the ribs can be reduced during the design of the frame, so that the weight can be reduced. The structural member is made of high-strength aluminum alloy materials, the stress is more than 200Mpa, the safety coefficient is more than 5, and the strength requirement can be met. The force of the lever is used for providing enough inserting and extracting force for the case, and the locking hook locks the top end of the lever after the lever is pushed in place. The puller does not need to be matched with a locking strip or a screw locking module any more, the module can be locked or unlocked only by directly pulling up a pulling rod of the locking puller, the plugging and pulling are convenient, and the module loading and unloading time is saved.
And the locking is reliable. According to the invention, the duckbilled pulling rod roller 12 is assembled on the fork ear at the root part of the pulling rod 1, the torsion spring 8 assembled on the shaft sleeve 7 is assembled in the fork groove of the lug of the pulling rod 1 through the gasket 6 of the rotating shaft 5, and the reliability is high; the press-in function and the locking function are decoupled, and the phenomenon that the module is not inserted in place due to the displacement of the rotating shaft center is avoided. The locking puller does not need to be matched with a locking strip or a screw locking module any more, and the module can be locked or unlocked only by directly pulling up the pulling rod of the locking puller by hands, so that the module assembling and disassembling time is saved, the tool maintenance is avoided, and the maintenance time cost is saved.
More convenient and labor-saving. According to the invention, the reset spring 4 is fixed on the spring seat of the elbow slot of the curved arm support 2, the insertion plates at two sides of the wedge block 3 are connected with the lug fork slot of the pull-out rod 1 into a whole through the elbow slot of the curved arm support 2, the elbow slot of the curved arm support 2 and the pull-out rod 1 and the wedge block 3 which are inserted through the side wall slots at two ends form a locking mechanism connected with a rotating pair rotating along the rotating shaft 5 respectively, and when the locking pull-out device is used, ribs at two sides of a module do not need to have the rib length of the module like a locking bar. The mechanism adopts the principle of a lever mechanism, sufficient inserting and extracting force is applied to the case through the action of lever force, and the top end of the lever is locked by a locking hook after the lever is pushed in place. In the plugging and unplugging process of the LRM module, the end part of the bracket does not interfere with the pin shaft of the locking device, the movement of the pressure lever is smooth in the plugging and unplugging process, and the movement simulation result shows that the phenomena of excessive friction and blocking cannot occur. The locking extractor provides locking force for locking the LRM module, and the locking force is derived from the compression force of the compression spring. The compression spring is sleeved on a sliding shaft. The compression spring is in a pre-compression state after the locking extractor is installed, and the compression spring provides certain pretightening force and enables the locking extractor to have certain scalability. When the lock is in the locking working state, the compression spring is further compressed. The pulling function and the locking function are decoupled, and the phenomenon that the module is not inserted in place due to the displacement of the rotating shaft center is avoided. The device can meet the operation requirement of high strength, has better tactile quality in appearance, is convenient to operate when self-locking and unlocking the puller, and has good operation hand feeling.
Drawings
FIG. 1 is an exploded view of the tool-less quick connect/disconnect locking extractor of the present invention;
FIG. 2 is an exploded view of the use of FIG. 1;
FIG. 3 is a schematic view of the on-board electronics module tool-less quick connect/disconnect locking extractor of the present invention;
FIG. 4 is a schematic view of the lateral locking principle of the tool-less quick plug locking extractor of the airborne electronic module of the present invention;
in the figure: the device comprises a drawing rod 1, a support 2, a wedge block 3, a return spring 4 (pressure spring), a rotating shaft 5, a washer 6, a shaft sleeve 7, a torsion spring 8, a rack rib 9, a module rib 10, a rack jacking block 11 and a drawing rod roller 12.
The present invention will be described in detail with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1-3, in the following embodiments, an on-board electronic module tool-less quick-connect/disconnect locking extractor includes: install on electronic module front panel and make the curved boom support 2 of rectangle elongated slot, insert wedge 3 in the elbow slot of curved boom support 2 front end, insert the pull-up lever 1 that pivot 5 connects through the shaft hole in rectangle elongated slot both ends, wherein: a duckbilled pulling rod roller 12 is assembled on a fork ear at the root part of the pulling rod 1, a torsion spring 8 is assembled on a shaft sleeve 7 and is embedded in the fork ear behind the pulling rod roller 12, and a rotating shaft 5 provided with a threaded head fixes the shaft sleeve 7 in a pin hole of a lug of the pulling rod 1 through the shaft sleeve 7 and a gasket 6; a wedge-shaped block 3 is arranged on the back plate and is matched with the spring cover plate, a return spring 4 below the spring cover plate is fixed on a spring seat of an elbow slot of the bent arm support 2, after inserting plates at two sides of the wedge-shaped block 3 into the elbow slot of the bent arm support 2, the lugs of the fork grooves of the pulling rod 1 are connected into a whole through the rotating shaft 5, the lugs of the pulling rod 1 and the wedge blocks 3 inserted into the two side walls of the elbow inserting grooves of the bent arm support 2 form a locking mechanism which is rotationally connected around a rotating pair of the rotating shaft 5 through the rotating shaft 5, the pulling rod 1 rotates around the rotating shaft 5, the lifting rod roller 12 is inserted into the slot of the frame top block 11 of the equipment cabinet by the lever principle, under the action of the reverse force F1 at the root of the slot, the pulling rod 1 is pressed to the electronic module, the return spring 4 is compressed, thereby realize reset spring 4 compression, reset, compress tightly the plug locker that locking or separation was locked in the frame to the electronic module left and right direction.
See fig. 2. The pulling rod 1 and the wedge 3 use the rotating shaft 5 as a rotating axis to rotate with the relatively static bent arm support 2, the wedge 3 can rotate at the root of the pulling rod 1 to act on the tail end circular arc of the wedge 3, the reset spring 4 and the torsion spring 8 are linked, the wedge 3 is connected with the strip-shaped sliding hole of the rotating shaft 5, the wedge 3 is driven to move in a translation mode by 1.5mm-3mm in the elbow slot of the bent arm support 2, and the bent arm support 2 and the electronic module are connected into a whole.
The electronic module is locked and disassembled on the installation box. The electronic module rotates along respective rotating shafts through the inner support and the outer support, when the inner support and the outer support are close to be parallel, the inclined plane at the end part of the outer support is in contact with the locking pin shaft, the locking pin shaft slides along the inclined plane under the extrusion action of the inclined plane until the inner support and the outer support are parallel, the locking pin shaft on the locking mechanism is clamped into the root part of the upper groove of the outer support under the action of the reset spring 4, and the electronic module is installed in place. The process of extracting the electronic module is the reverse of inserting. Stir out the dead man 1 downwards, the dead man 1 revolves 5 clockwise rotations of axis of rotation, dial into the frame kicking block 11 fluting of equipment machine case with the dead man gyro wheel 12 on the locking mechanism, the dead man gyro wheel 12 is pressed right at the fluting root, the dead man 1 compresses tightly electronic module, promote the propelling movement button on the dead man 1 free end, in the locking groove of the dead man 1 afterbody of push out the dead man with the spring bolt, reset spring 4 resets, keeps the locking state under reset spring 4's effort. Upwards promote the propelling movement button on the 1 free end of rising stem, the spring bolt returns and contracts, and rising stem 1 breaks away from the locking groove, and rising stem 1 revolves 5 anticlockwise rotations of pivot, and rising stem gyro wheel 12 is to the left-hand motion, drives electronic module and moves to the left, and reset spring 4 compresses, deviates from in the frame kicking block 11 locking fluting of equipment machine case, can pull down electronic module.
See fig. 4. When an electronic module is inserted, in the process of pressing the electronic module in, a force F is applied to the pulling rod 1, the resetting pressure spring 4 is compressed by rotating around the rotating shaft 5, a pressing force F2 is applied to the electronic module, the wedge surface of the wedge-shaped block 3 is in rigid contact with the frame ribs 9 and 10, the pulling rod roller 12 is in contact with the frame top block 11, the frame is fixed, the pulling rod roller 12 is subjected to a frame reverse force F1, the wedge-shaped block 3 is inserted into fork grooves of the frame ribs 9 and 10 through the resetting spring 4, and component forces F3 and F4 pressing the electronic module in the left and right directions are generated, so that the fixed locking function of the electronic module in the frame of the equipment case is realized.
The scope of the invention is not limited to the specific embodiments described. Various modifications to these embodiments described above will be readily apparent to those skilled in the art. The general principles defined by the present invention may be implemented in other embodiments without departing from the spirit or scope of the invention. Any technical solution obtained by performing the same or equivalent replacement on technical elements in the described specific technical solution or technical solution obtained by a person skilled in the art without creative work on the basis of the described specific technical solution should be considered to fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides an on-board electronic module exempts from quick plug locking extraction ware of instrument, includes: install on electronic module front panel and system have curved boom support (2) of rectangle elongated slot, insert wedge (3) in curved boom support (2) front end elbow slot, through play dead man (1) that pivot (5) are connected are inserted in rectangle elongated slot both ends shaft hole, its characterized in that: a duckbilled pulling rod roller (12) is assembled on a fork ear at the root part of the pulling rod (1), a torsion spring (8) is assembled on a shaft sleeve (7) and is embedded in the fork ear behind the pulling rod roller (12), and a rotating shaft (5) provided with a threaded head fixes the shaft sleeve (7) in a pin hole of a lug of the pulling rod (1) through the shaft sleeve (7) and a gasket (6); the backboard is provided with a wedge block (3) of a spring cover plate, a reset spring (4) below the spring cover plate is fixed on a spring seat of an elbow slot of a bent arm support (2), plug boards on two sides of the wedge block (3) are inserted into the elbow slot of the bent arm support (2), the fork groove lugs of a pulling rod (1) are connected into a whole through the rotating shaft (5), the pulling rod (1) lugs inserted into two side walls of the elbow slot of the bent arm support (2) and the wedge block (3) pass through the rotating shaft (5) to form a locking mechanism rotationally connected around a rotating pair of the rotating shaft (5), the pulling rod (1) rotates around the rotating shaft (5), a pulling rod roller (12) is inserted into a rack top block (11) of an equipment case to be slotted through the lever principle, the pulling rod (1) is pressed against an electronic module under the action of a reverse force F1 at the root of the slotted, the reset spring (4) is compressed, and the reset spring (4) is compressed, And the plug-pull locking device is reset, and presses the electronic module in the left and right directions in the frame to be locked or separated.
2. The quick tool-free plug-pull locking extractor of the airborne electronic module according to claim 1, wherein the extraction rod (1) and the wedge block (3) rotate with the relatively stationary curved arm support (2) by using the rotating shaft (5) as a rotating axis, the wedge block (3) can rotate at the fork ear at the root of the extraction rod (1) to act on the tail end arc of the wedge block (3), the linkage reset spring (4) and the torsion spring (8) are connected with the bar-shaped sliding hole of the rotating shaft (5) through the wedge block (3), the wedge block (3) is driven to move in a translational manner of 1.5mm-3mm in the elbow slot of the curved arm support (2), and the curved arm support (2) and the electronic module are connected into a whole.
3. The tool-free quick plug locking extractor of an airborne electronic module according to claim 1, wherein the extractor lever (1) is shifted downwards, the extractor lever (1) rotates clockwise around the rotating shaft (5), the extractor lever roller (12) on the locking mechanism is shifted into the slot of the rack top block (11) of the equipment chassis, the extractor lever roller (12) is pressed rightwards at the root of the slot, the extractor lever (1) compresses the electronic module, the push button on the free end of the extractor lever (1) is pushed, the lock tongue is pushed into the tail locking slot of the extractor lever (1), the reset spring (4) resets, and the locking state is maintained under the acting force of the reset spring () 4.
4. The tool-free quick plug locking extractor for airborne electronic modules according to claim 3, wherein the pushing button on the free end of the extracting rod (1) is pushed upwards, the lock tongue retracts, the extracting rod (1) disengages from the locking groove, the extracting rod (1) rotates counterclockwise around the rotating shaft (5), the extracting rod roller (12) rotates leftwards to drive the electronic module to move leftwards, the reset spring (4) compresses, and the electronic module is released from the locking groove of the rack top block (11) of the equipment chassis, so that the electronic module can be detached.
5. The tool-free quick plug-pull locking extractor for the onboard electronic module according to claim 1, wherein during the process of pressing the electronic module in, the extracting rod (1) applies force F to rotate around the rotating shaft (5) to compress the return compression spring (4), the wedge block (3) applies pressing force F2 to the electronic module, the wedge surface of the wedge block (3) is in rigid contact with the rack ribs (9) and (10), the extracting rod roller (12) is in contact with the rack top block (11), the rack is fixed, the extracting rod roller (12) is subjected to rack reverse force F1, the wedge block (3) is inserted into the fork grooves of the rack ribs (9) and (10) through the return spring (4), and component forces F3 and F4 pressing the electronic module in the left-right direction are generated, so that the electronic module is locked and fixed in the rack of the equipment chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195504.5A CN112397972A (en) | 2020-10-30 | 2020-10-30 | Quick plug locking extractor of airborne electronic module without tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195504.5A CN112397972A (en) | 2020-10-30 | 2020-10-30 | Quick plug locking extractor of airborne electronic module without tool |
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| Publication Number | Publication Date |
|---|---|
| CN112397972A true CN112397972A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011195504.5A Pending CN112397972A (en) | 2020-10-30 | 2020-10-30 | Quick plug locking extractor of airborne electronic module without tool |
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| Country | Link |
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| CN (1) | CN112397972A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113163655A (en) * | 2021-03-30 | 2021-07-23 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | LRM module does not need instrument linkage locking pull-out device |
| CN115767998A (en) * | 2022-11-24 | 2023-03-07 | 中国电子科技集团公司第二十九研究所 | A synchronous electro-hydraulic connection installation structure for liquid-cooled cabinets |
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| CN206525064U (en) * | 2017-03-08 | 2017-09-26 | 山西中航天拓科技有限公司 | A kind of novel adjustable for airborne cabinet, which is helped, pulls out locker |
| CN109302822A (en) * | 2018-11-01 | 2019-02-01 | 叶发亮 | A kind of module plug-in and pull-off device |
| CN209239919U (en) * | 2018-10-31 | 2019-08-13 | 山西中航天拓科技有限公司 | A kind of novel driver-extractor device |
| CN110300505A (en) * | 2019-05-28 | 2019-10-01 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Airborne electronic module plug locking driver-extractor |
| CN211671149U (en) * | 2020-03-13 | 2020-10-13 | 洛阳欧祺精密零件制造有限公司 | Pull-out ware and have its rack subassembly |
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- 2020-10-30 CN CN202011195504.5A patent/CN112397972A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0629678A (en) * | 1992-07-08 | 1994-02-04 | Fujitsu Ltd | Card puller for inserting and extracting package |
| JPH0974292A (en) * | 1995-09-05 | 1997-03-18 | Nitsuko Corp | Engaging/disengaging device of printed board |
| CN101901990A (en) * | 2010-08-19 | 2010-12-01 | 中国航空工业第六一八研究所 | Plug-in locking device for field replaceable modules |
| CN206154220U (en) * | 2016-11-15 | 2017-05-10 | 陕西宏德电子设备有限公司 | Electronic module pull -out ware |
| CN106922099A (en) * | 2017-03-03 | 2017-07-04 | 中航光电科技股份有限公司 | Rack and its electrical module component, driver-extractor |
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| CN209239919U (en) * | 2018-10-31 | 2019-08-13 | 山西中航天拓科技有限公司 | A kind of novel driver-extractor device |
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| CN211671149U (en) * | 2020-03-13 | 2020-10-13 | 洛阳欧祺精密零件制造有限公司 | Pull-out ware and have its rack subassembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113163655A (en) * | 2021-03-30 | 2021-07-23 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | LRM module does not need instrument linkage locking pull-out device |
| CN115767998A (en) * | 2022-11-24 | 2023-03-07 | 中国电子科技集团公司第二十九研究所 | A synchronous electro-hydraulic connection installation structure for liquid-cooled cabinets |
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Application publication date: 20210223 |