CN106937506A - A kind of wedge lock mechanism - Google Patents
A kind of wedge lock mechanism Download PDFInfo
- Publication number
- CN106937506A CN106937506A CN201710118778.6A CN201710118778A CN106937506A CN 106937506 A CN106937506 A CN 106937506A CN 201710118778 A CN201710118778 A CN 201710118778A CN 106937506 A CN106937506 A CN 106937506A
- Authority
- CN
- China
- Prior art keywords
- voussoir
- lag
- fluting
- adjacent
- lock mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000001154 acute effect Effects 0.000 claims abstract description 8
- 238000010030 laminating Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 229920003266 Leaf® Polymers 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
- H05K7/1404—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by edge clamping, e.g. wedges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention provides a kind of wedge lock mechanism, 1~N of odd number voussoir is sequentially arranged in U-lag along fluting direction, and it is acute angle and obtuse angle that the binding face of adjacent voussoir replaces with U-lag bottom angle, and No. 1 voussoir is acute angle；No. 1 voussoir is fixed, and remaining odd number voussoir is moved back and forth in U-lag, and even number voussoir protrudes U-type groove opening under the motion extruding of odd number voussoir；Screwed hole is provided with along U-lag direction on N voussoirs, with fluting trip bolt composition nut screw pair；The adjacent column pin that there is straight pin, adjacent voussoir the adjacent one end of 2~N voussoirs is connected by hook.The present invention improves the environmental suitability of wedge lock mechanism, and in fixed printed circuit board, wedge lock mechanism is not influenceed by gravity direction.
Description
Technical field
The present invention relates to a kind of wedge lock mechanism of printed circuit board.
Background technology
At present, printed circuit board is generally fixed using wedge lock mechanism with cabinet, to realize to printed circuit board
Quick, reliable installation, maintenance etc..Fig. 1 is a kind of form of wedge lock mechanism, including left short piece 1 (voussoir), Elastic Circular
Pin 2, left and right part 3 (voussoir) long, middleware 4 (voussoir), right short piece 5 (voussoir), fuse 6 (cross section such as Fig. 4 (b)), plain cushion
Circle 7, elastic washer 8, bushing 9, spring 10 and trip bolt 11.Printed circuit board is consolidated with fuse 6 by two screwed holes
Even, trip bolt 11 is connected through a screw thread with fuse 6, when wedge lock mechanism profile is in releasing orientation (see Fig. 1 (b)),
Its free height is h, after the fastening member of printed board and wedge lock mechanism is put into cabinet, is tightened using the outer hexagon of standard
Though screw 11, slope driving of right short piece 5 or so part 3 long, middleware 4 launch, when the visual detector of trip bolt 11 is complete
Enter into when in bushing 9 entirely, launch the height H that height reaches regulation, now reach locking state (see Fig. 1 (a)).But, this
Plant wedge lock mechanism and there is a shortcoming：When wedge lock mechanism carries out installation printed circuit board along gravity direction g, tearing open
During unloading, because the voussoir of wedge lock mechanism is acted on by gravity g, even if being totally released trip bolt 11, wedge-lock
The voussoir of tight device prevents printed circuit board from smoothly being extracted (see Fig. 1 (c)) from cabinet also in deployed condition.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of wedge lock mechanism with extraction function, solid
When determining printed circuit board, do not influenceed by gravity direction g.
The technical solution adopted for the present invention to solve the technical problems is：A kind of wedge lock mechanism, including some voussoirs,
Hook, back-up ring, fluting trip bolt, U-shaped part and straight pin.
There is U-type groove on described U-shaped part, U-lag A/F is less than U-lag inner width；Some voussoirs are along fluting side
To being sequentially arranged in U-lag, the sum of voussoir is odd number, wherein, the voussoir in U-lag is tight to the other end from U-lag one end
There is angle in closely connected conjunction, 1~N of number consecutively, binding face and the U-lag bottom of adjacent voussoir, angle is alternately acute angle and obtuse angle,
The side fitted with No. 2 voussoirs on wherein No. 1 voussoir is at an acute angle with U-lag bottom angle；No. 1 voussoir is fixed in U-lag, its
Remaining odd number voussoir can be moved back and forth in U-lag, and even number voussoir protrudes U-type groove opening under the motion extruding of odd number voussoir；N
Screwed hole is provided with along U-lag direction on number voussoir, combines to form nut screw pair with fluting trip bolt；Described fluting fastening
Screw side wall fluting, is fixed on back-up ring and slotted engagement on U-lag, defines that fluting trip bolt is reciprocal in U-lag
Movement position；The adjacent column pin that there is straight pin, two neighboring voussoir the adjacent one end of 2~N voussoirs is connected by hook, is opened
Groove trip bolt towards U-lag inner rotation advance when, even number voussoir protrudes U-type groove opening under the motion extruding of odd number voussoir
When, the straight pin of the hook and even number voussoir that connect odd number voussoir departs from, and fluting trip bolt advances away from U-lag inner rotation
When, No. N to No. 3 hook of voussoir of connection pulls the straight pin of adjacent voussoir one by one so that even number voussoir is returned in U-lag.
Described adjacent one end of 2~N voussoirs is not provided with straight pin and hook, but the perforate on adjacent end face, bullet
Reed is arranged in two perforates of adjacent face.
The beneficial effects of the invention are as follows：The environmental suitability of wedge lock mechanism is improve, in fixed printed circuit board,
Wedge lock mechanism is not influenceed by gravity direction g.
Brief description of the drawings
Fig. 1 is that the weight of prior art directly installs assembling schematic diagram, wherein, (a) is state when wedge lock mechanism is locked
Figure, (b) is perfect condition figure when wedge lock mechanism is unclamped, (c) for when wedge lock mechanism is unclamped voussoir also in expansion
The schematic diagram of state, i.e., view when actually used；
Fig. 2 is heavy straight installation assembling schematic diagram of the invention, wherein, (a) is sectional view when wedge lock mechanism is locked,
B sectional view that () unclamps when being wedge lock mechanism, the top view that (c) unclamps when being wedge lock mechanism；
Fig. 3 is U-shaped part schematic diagram of the invention, wherein, (a) is front view, and (b) is left view, and (c) is top view；
Fig. 4 is voussoir schematic diagram of the invention, wherein, (a) is longitudinal sectional view, and (b) is transverse sectional view；
Fig. 5 is assembling schematic diagram of the invention, wherein, (a) is that will be in the wedge lock mechanism of released position with screw
Attached view when being alignd with cabinet rigging position before being fastened to printed circuit board, (b) is by released position with screw
Wedge lock mechanism be fastened to printed circuit board before front view, (c) be with screw will be in released position wedge lock
Device is fastened to the attached view after printed circuit board, and (d) wedge lock mechanism is fastened to printed circuit board and inserts cabinet, tightens
Before trip bolt, wedge lock mechanism is in the attached view with cabinet when unclamping, and (e) wedge lock mechanism is fastened to printed circuit
Before cabinet is inserted after plate, tightening trip bolt, wedge lock mechanism is in partial cutaway right view when unclamping state shape, embodies hook
Effect and wedge lock mechanism visually indicate location when being in releasing orientation, and (f) wedge lock mechanism is fastened to printing
Circuit board and after inserting cabinet, tightening trip bolt, attached view when wedge lock mechanism is in locking with cabinet, (g) wedge shape
Locking device is fastened on printed circuit board and inserts cabinet, tighten trip bolt after, when wedge lock mechanism is in locking with
The partial cutaway right view of cabinet, embodies when wedge lock mechanism is in locking state and visually indicates location；
Fig. 6 is the assembling schematic diagram after improving；
Fig. 7 is the structural representation of spring leaf；
Fig. 8 is the structural representation of left short piece；
Fig. 9 is the structural representation of left part long；
Figure 10 is the structural representation of middleware；
Figure 11 is the structural representation of right short piece；
In figure, the left short piece of 1-, 2- elastic cylindrical pins, 3- or so part long, 4- middlewares, the right short piece of 5-, 6- fuses, 7- plain cushions
Circle, 8- elastic washers, 9- bushings, 10- springs, 11- trip bolts, 12- elastic cylindrical pins, the left short piece of 13-, the left parts long of 14-,
15- hooks, 16- middlewares, the right parts long of 17-, the right short piece of 18-, 19- back-up rings, 20- plain washers, 21- bushings, 22- fluting fastening spiral shells
Nail, 23-U type parts, 24- straight pins, 25- spring leafs, the left short piece of 26-, the left parts long of 27-, 28- middlewares, the right short piece of 29-, 30- wedges
Shape locking device, 31- printed circuit boards, 32- screws, 33- cabinets.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the present invention includes but are not limited to following implementations
Example.
The present invention provides a kind of wedge lock mechanism, including elastic cylindrical pin 12, left short piece 13 (voussoir), left part long 14
(voussoir), hook 15 (3), middleware 16 (voussoir), right part long 17 (voussoir), right short piece 18 (voussoir), back-up ring 19, plain washer
20th, bushing 21, fluting trip bolt 22, U-shaped part 23, straight pin 24 (shown in such as Fig. 2 (a)).
There is U-type groove on described U-shaped part, U-lag A/F is less than U-lag inner width；Some pieces of voussoirs are arranged on U
In shape groove, the sum of voussoir is odd number, wherein, the voussoir in U-lag is brought into close contact from U-lag one end to the other end, is compiled successively
There is angle in number 1~N, binding face and the U-lag bottom of adjacent voussoir, angle is alternately acute angle and obtuse angle, wherein on No. 1 voussoir
The side fitted with No. 2 voussoirs is at an acute angle with U-lag bottom angle；No. 1 voussoir is fixed in U-lag, remaining odd number voussoir energy
Moved back and forth in enough U-lags, even number voussoir protrudes U-type groove opening under the motion extruding of odd number voussoir；Along U-shaped on N voussoirs
Groove direction is provided with screwed hole, combines to form nut screw pair with fluting trip bolt；Described fluting trip bolt side wall fluting,
Back-up ring and slotted engagement on U-lag are fixed on, reciprocating motion position of the fluting trip bolt in U-lag is defined；2~N
The adjacent column pin that there is straight pin, two neighboring voussoir number adjacent one end of voussoir is connected by hook, fluting trip bolt court
When advancing to U-lag inner rotation, when even number voussoir protrudes U-type groove opening under the motion extruding of odd number voussoir, odd number is connected
The hook of voussoir departs from the straight pin of even number voussoir, when fluting trip bolt advances away from U-lag inner rotation, connects No. N
Pull the straight pin of adjacent voussoir one by one to No. 3 hooks of voussoir so that even number voussoir is returned in U-lag.
In addition, left short piece 13 (voussoir), middleware 16 (voussoir), right part long 17 (voussoir), right short piece 18 (voussoir) and a left side
The left view diagram shape of part long 14 (voussoir), size are identical, and bevel direction is different.
After be connected for printed circuit board and wedge lock mechanism by two screw holes of U-shaped part 23 by the present invention, put together
Enter cabinet fixed position, reuse the outer hexagon of standard and twist trip bolt 22, be voussoir by the convert rotational motion of screw 22
18 linear motion, voussoir 18 promotes remaining voussoir to be moved along a straight line along inclined-plane, so that voussoir 14, voussoir 17 launch, works as wedge
When block 14, the upper surface of voussoir 17 and machine box surface are adjacent to, cabinet makes fluting trip bolt 22 to the active force of voussoir 14, voussoir 17
Retreat, when the left side of back-up ring 19 and the groove left side of slotted screw 22 are adjacent to, the visual detector of trip bolt 22 is from lining
All expose in set 21, locking state is now reached, shown in such as Fig. 2 (a).
The material of major part voussoir of the present invention, U-shaped part and fuse is that 6061 or 7075, fluting fixing screws material is
17-4PH, bushing material are 304A.
It is 8.26≤H≤8.60mm that the wedge lock mechanism that the present invention is provided launches height.
Assembling of the invention is as shown in Figure 5 using process：
As shown in Fig. 5 (a), two pieces wedge lock mechanism 30 during by one piece of printed circuit board 31 with releasing orientation
Screw centerline hole and screw axis alignment are placed on cabinet top；
As shown in Fig. 5 (b), two pieces wedge lock mechanism 30 during by one piece of printed circuit board 31 with releasing orientation
Screw centerline hole and screw axis alignment are placed；
As shown in Fig. 5 (c), circuit board is connected with wedge lock mechanism when being in releasing orientation with 4 screws of M2 32；
As shown in Fig. 5 (d), after the component after being connected is put into the position to be fixed of cabinet 33, screw head is visually indicated
Device is located at bush inside, and grooved screw 22 is turned on the outer hexagon of standard, and it is 68Ncm that twisting torque is applied to spanner.When
The visual detector of slotted screw head all exposes bushing 21 (Fig. 5 (g)), and wedge lock mechanism launches height H and meets 8.26
≤ H≤8.60mm (Fig. 5 (d)), assembling is finished.Clamping force actual measurement level values are 2005N, more than standard value 1779N.
Vibration meets experimental condition：
(a) mode：Random vibration；
(b) vibration frequency：20-2000HZ；
(c) power spectrum：W0=0.327g2/Hz；
(d) direction：It is horizontal and vertical；
(e) time：30 minutes.
Impact meets experimental condition：
A () maximum impact grade is 60g/ms；
B () impact curve presses half-sine wave；
Each 3 times of (c) horizontal vertical.
Shown in state such as Fig. 5 (c) after dismounting of the invention.Unloading process is to unclamp groove spiral shell with the outer hexagon of standard
Nail 22, slotted screw 22 rotarily drives voussoir 18 and moves along a straight line to the right, and adjacent voussoir 18,17,16,14 connects each other by hook 15
Connect.Even if there is gravity g to act on, also can smoothly dismantle.
Above-mentioned new construction wedge lock mechanism solves circuit board not to be influenceed and by it from the fixation of cabinet by gravity
The problem that position is smoothly extracted, but process more complicated.Then, its scheme is improved.Assembling schematic diagram after improvement
Such as Fig. 6.Part 12,19,20,21,22,23 in figure is identical with Fig. 2, has lacked part straight pin 24 and hook 15, increases part
Spring leaf 25, and part 26,27,28,27,29 is improved to respectively by 13,14,16,17,18.(material is beryllium table to 25- spring leafs
Copper), as shown in Figure 7.
Part 26,27,28,29 after improvement is respectively as shown in Fig. 8, Fig. 9, Figure 10, Figure 11.
The U-shaped end of spring leaf 25 is put into the rectangular channel of fixed voussoir 13, the other end puts the rectangle skewed slot of wedge 27
In, when trip bolt is turned, voussoir is returned to releasing orientation by the elastic force of spring leaf 25.So as to reduce difficulty of processing,
Improve efficiency.
Releasing orientation at wedge lock mechanism, spring leaf 25 does not deform substantially, and the visual detector of trip bolt 22 enters
Enter in bushing 21.Wedge lock mechanism is in locking state, and spring leaf 25 deforms, the visual detector of trip bolt 22
It is withdrawn into outside bushing 21.
Claims (2)
1. a kind of wedge lock mechanism, including some voussoirs, hook, back-up ring, fluting trip bolt, U-shaped part and straight pin, it is special
Levy and be：There is U-type groove on described U-shaped part, U-lag A/F is less than U-lag inner width；Some voussoirs are along fluting direction
It is sequentially arranged in U-lag, the sum of voussoir is odd number, wherein, the voussoir in U-lag is tight to the other end from U-lag one end
There is angle in laminating, 1~N of number consecutively, binding face and the U-lag bottom of adjacent voussoir, angle is alternately acute angle and obtuse angle, its
In the side fitted with No. 2 voussoirs on No. 1 voussoir it is at an acute angle with U-lag bottom angle；No. 1 voussoir is fixed in U-lag, remaining
Odd number voussoir can be moved back and forth in U-lag, and even number voussoir protrudes U-type groove opening under the motion extruding of odd number voussoir；No. N
Screwed hole is provided with along U-lag direction on voussoir, combines to form nut screw pair with fluting trip bolt；Described fluting fastening spiral shell
Nail side wall fluting, is fixed on back-up ring and slotted engagement on U-lag, defines reciprocal fortune of the fluting trip bolt in U-lag
Dynamic position；The adjacent column pin that there is straight pin, two neighboring voussoir the adjacent one end of 2~N voussoirs is connected by hook, fluting
Trip bolt towards U-lag inner rotation advance when, even number voussoir protrudes U-type groove opening under the motion extruding of odd number voussoir
When, the straight pin of the hook and even number voussoir that connect odd number voussoir departs from, and fluting trip bolt advances away from U-lag inner rotation
When, No. N to No. 3 hook of voussoir of connection pulls the straight pin of adjacent voussoir one by one so that even number voussoir is returned in U-lag.
2. wedge lock mechanism according to claim 1, it is characterised in that：Described adjacent one end of 2~N voussoirs does not set
Put straight pin and hook, but the perforate on adjacent end face, spring leaf is arranged in two perforates of adjacent face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118778.6A CN106937506A (en) | 2017-03-02 | 2017-03-02 | A kind of wedge lock mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118778.6A CN106937506A (en) | 2017-03-02 | 2017-03-02 | A kind of wedge lock mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106937506A true CN106937506A (en) | 2017-07-07 |
Family
ID=59424523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710118778.6A Pending CN106937506A (en) | 2017-03-02 | 2017-03-02 | A kind of wedge lock mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106937506A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032256A (en) * | 2019-04-22 | 2019-07-19 | 湖南文理学院 | A kind of computer motherboard wedge block clamping mounting structure |
| CN109429462B (en) * | 2017-08-23 | 2021-02-09 | 中车株洲电力机车研究所有限公司 | Vibration reduction installation structure and method of functional module in plug box and plug box |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775260A (en) * | 1987-04-27 | 1988-10-04 | Rexnord Inc. | Printed circuit board mounting apparatus |
| US4824303A (en) * | 1987-09-24 | 1989-04-25 | Rexnord Inc. | Locking wedge apparatus for printed circuit board |
| WO2006129004A2 (en) * | 2005-05-31 | 2006-12-07 | Sagem Defense Securite | Expandable wedge and system comprising a module, a receptacle and such a wedge interposed between them |
| CN102339569A (en) * | 2011-10-26 | 2012-02-01 | 深圳市奥拓电子股份有限公司 | Quick splicing device for display screens |
| CN104791337A (en) * | 2015-04-21 | 2015-07-22 | 成都萨伯电子应用科技有限公司 | Locking strip for vertical mounting |
| CN205623033U (en) * | 2016-05-18 | 2016-10-05 | 成都特锐泰雷兹电子应用科技有限公司 | No guide rail low thermal resistance locking device |
| CN106304749A (en) * | 2016-08-25 | 2017-01-04 | 湖北三江航天红峰控制有限公司 | A kind of locking device with heat conduction and reset function |
| CN206602751U (en) * | 2017-03-02 | 2017-10-31 | 陕西迈堃科学技术有限公司 | A kind of wedge lock mechanism |
-
2017
- 2017-03-02 CN CN201710118778.6A patent/CN106937506A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775260A (en) * | 1987-04-27 | 1988-10-04 | Rexnord Inc. | Printed circuit board mounting apparatus |
| US4824303A (en) * | 1987-09-24 | 1989-04-25 | Rexnord Inc. | Locking wedge apparatus for printed circuit board |
| WO2006129004A2 (en) * | 2005-05-31 | 2006-12-07 | Sagem Defense Securite | Expandable wedge and system comprising a module, a receptacle and such a wedge interposed between them |
| CN102339569A (en) * | 2011-10-26 | 2012-02-01 | 深圳市奥拓电子股份有限公司 | Quick splicing device for display screens |
| CN104791337A (en) * | 2015-04-21 | 2015-07-22 | 成都萨伯电子应用科技有限公司 | Locking strip for vertical mounting |
| CN205623033U (en) * | 2016-05-18 | 2016-10-05 | 成都特锐泰雷兹电子应用科技有限公司 | No guide rail low thermal resistance locking device |
| CN106304749A (en) * | 2016-08-25 | 2017-01-04 | 湖北三江航天红峰控制有限公司 | A kind of locking device with heat conduction and reset function |
| CN206602751U (en) * | 2017-03-02 | 2017-10-31 | 陕西迈堃科学技术有限公司 | A kind of wedge lock mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109429462B (en) * | 2017-08-23 | 2021-02-09 | 中车株洲电力机车研究所有限公司 | Vibration reduction installation structure and method of functional module in plug box and plug box |
| CN110032256A (en) * | 2019-04-22 | 2019-07-19 | 湖南文理学院 | A kind of computer motherboard wedge block clamping mounting structure |
| CN110032256B (en) * | 2019-04-22 | 2020-10-16 | 湖南文理学院 | A computer motherboard wedge block clamping installation structure |
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| PB01 | Publication | ||
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Application publication date: 20170707 |