CN201869479U - PCB slot locking device - Google Patents
PCB slot locking device Download PDFInfo
- Publication number
- CN201869479U CN201869479U CN2010206296247U CN201020629624U CN201869479U CN 201869479 U CN201869479 U CN 201869479U CN 2010206296247 U CN2010206296247 U CN 2010206296247U CN 201020629624 U CN201020629624 U CN 201020629624U CN 201869479 U CN201869479 U CN 201869479U
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- CN
- China
- Prior art keywords
- guide rail
- locking device
- empennage
- pcb board
- latch segment
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a PCB slot locking device. The PCB slot locking device comprises a guide rail, tail wing blocks and a middle locking block arranged on the guide rail respectively, a screw rod, an elastic device, and a wrench, wherein screw holes are formed on the side surfaces of the guide rail, a threaded hole is formed in the length direction at one end of the guide rail, the opposite end surfaces of the two tail wing blocks are symmetrical inclined end surfaces, the middle locking block is matched with the two tail wing blocks, one end of the screw rod is screwed into the threaded hole, the elastic device is sleeved on the screw rod, the wrench is connected with the other end of the guide rail through a pin shaft, a pin hole is formed on the wrench and matched with the pin shaft, and the pin hole is eccentrically located. When the wrench is rotated, the two tail wing blocks and the middle locking block are pushed to move along the guide rail, and since the contact end surfaces between the two tail wing blocks and the middle locking block are both inclined surfaces, at least one of the two tail wing blocks and the middle locking block slide outward along the contact inclined surface. Since the locking device and the PCB are arranged inside an insertion slot at the same time, the width of the locking device is increased by the outward sliding movement of the middle locking block, as a result, the PCB is locked in the insertion slot of the insertion box.
Description
Technical field
The utility model relates to the printed wiring board technical field, more particularly, relates to a kind of pcb board groove locking device.
Background technology
At present the electronic application industry is a large amount of uses PCB (Printed Circuit Board, printed circuit board) subrack of integration module and 19 inches, in order to guarantee the installation between PCB daughter board and the motherboard, use locking device separately for usually daughter board, avoid because of vibration and impact pcb board is come off from the slot of subrack.
Yet locking device is is in the market designed and produced voluntarily by the user mostly, backwardness simple in structure, and unstable properties does not have standardization, can not effectively avoid the phenomenon that comes off from the slot of subrack because of the pcb board that vibrates and impact brings.
The utility model content
In view of this, the utility model provides a kind of pcb board groove locking device, with the phenomenon of avoiding coming off from the slot of subrack because of the pcb board that vibrates and impact brings.
For achieving the above object, the utility model provides following technical scheme:
A kind of pcb board groove locking device comprises:
Guide rail, its side is provided with several screw holes, and the one end is provided with screwed hole along its length;
Be separately positioned on the empennage piece and the middle latch segment between described two empennage pieces at described guide rail two ends, described two empennage piece opposing end faces are symmetrical inclined end face, and the both ends of the surface of described middle latch segment are adaptive with described two empennage piece opposing end faces respectively;
One end screws in the screw rod of described screwed hole;
Be set in the elastic device on the described screw rod;
Spanner with the other end of described guide rail is connected by bearing pin has installation portion on the described spanner, and this installation portion is provided with the pin hole that cooperates with described bearing pin, and the pin hole on the described spanner is provided with respect to the center of described installation portion is eccentric.
Preferably, in above-mentioned pcb board groove locking device, described in the middle of latch segment be a plurality of, and the end face of latch segment joints is inclined-plane and adaptive mutually in the middle of adjacent two, the middle latch segment that is positioned at two ends is adaptive with described two empennage pieces respectively.
Preferably, in above-mentioned pcb board groove locking device, the outer surface of the installation portion on the described spanner is a cambered surface.
Preferably, in above-mentioned pcb board groove locking device, also comprise being set on the described guide rail, and the flat pad of close described spanner.
Preferably, in above-mentioned pcb board groove locking device, also comprise being set on the described screw rod, and plain cushion and screw grommet between described elastic device and described guide rail.
Preferably, in above-mentioned pcb board groove locking device, the thickness as outside of described guide rail is greater than its inboard thickness;
Described empennage piece and middle latch segment all are set on the described guide rail, and a side that is positioned at described guide rail inboard all has the slit, and this slit is greater than the thickness of described guide rail inboard, less than the thickness in the described guide rail outside;
Described empennage piece is ladder structure of right angle, and near the end face length of the end face length outside the described guide rail less than opposite side.
Preferably, in above-mentioned pcb board groove locking device, described elastic device is a plurality of elastomeric pads that are arranged in order.
Preferably, in above-mentioned pcb board groove locking device, described elastic device is the compression spring.
From above-mentioned technical scheme as can be seen, the pcb board groove locking device that the utility model provides is provided with the empennage piece by the two ends at guide rail, latch segment in the middle of between two empennage pieces, being provided with, and the empennage piece of an end is spacing by screw rod and elastic device, and the empennage piece of the other end is spacing by spanner.Two empennage piece opposing end faces are the inclined end face of symmetry, the both ends of the surface of middle latch segment are adaptive with two empennage piece opposing end faces respectively, and the eccentric setting of the pin hole of spanner, so when rotating spanner, meeting promotion two empennage pieces and middle latch segment move along the length direction of guide rail, because the one end is spacing by elastic device and screw rod, so limiting two empennage pieces and middle latch segment moves along the length direction of guide rail, because two empennage pieces and the contacted end face of middle latch segment are the inclined-plane, so two empennage pieces have a meeting at least along the outside slippage in the inclined-plane that contacts with middle latch segment, because this locking device is together to be arranged in the slot of subrack with pcb board, so outside slippage by empennage piece and middle latch segment, increased the width of locking device, just pcb board has been locked in the slot of subrack.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the pcb board groove locking device that Fig. 1 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of pcb board groove locking device, with the phenomenon of avoiding from the slot of subrack, coming off because of the pcb board that vibrates and impact brings.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, the structural representation of the pcb board groove locking device that Fig. 1 provides for the utility model embodiment.
The pcb board groove locking device that the utility model provides comprises:
Guide rail 1, its side are provided with several screw holes 5, and the one end is provided with screwed hole 8 along its length.Wherein, screw hole 5 is used for and the fixing pcb board of screw fit, and screwed hole 8 is used for and screw rod 6 cooperates.
Be separately positioned on the empennage piece (14,18) at described guide rail 1 two ends and be positioned at middle latch segment between the described two empennage pieces (14,18), described two empennage pieces (14,18) opposing end faces is the inclined end face of symmetry, and the both ends of the surface of described middle latch segment are adaptive with described two empennage pieces (14,18) opposing end faces respectively.The contact-making surface of empennage piece and middle latch segment is designed to the inclined-plane, when it axially is subjected to external force, helps empennage piece and middle latch segment, thereby increase the width of locking device along the outside slippage in this inclined-plane.
The spanner 13 that is connected by bearing pin 11 with the other end of described guide rail 1, has installation portion on the described spanner 13, this installation portion is provided with the pin hole 12 that cooperates with described bearing pin 11, and the pin hole on the described spanner 13 12 is provided with respect to the center of described installation portion is eccentric.Because pin hole 12 is provided with respect to the center of described installation portion is eccentric, be provided with so that the center of rotation of spanner 13 is eccentric, cause at spanner 13 in rotary course, the outer surface of installation portion applies axial force can for empennage piece and middle latch segment, because the contact-making surface of empennage piece and middle latch segment is the inclined-plane, when it axially was subjected to external force, empennage piece and middle latch segment were along the outside slippage in this inclined-plane, thus the width of increase locking device.
The pcb board groove locking device that the utility model provides is provided with empennage piece (14,18) by the two ends at guide rail 1, latch segment in the middle of between two empennage pieces, being provided with, and the empennage piece of an end is spacing by screw rod 6 and elastic device 2, and the empennage piece of the other end is spacing by spanner 13.Two empennage pieces (14,18) opposing end faces is the inclined end face of symmetry, the both ends of the surface of middle latch segment respectively with two empennage pieces (14,18) opposing end faces is adaptive, and pin hole 12 eccentric settings of spanner 13, so when rotating spanner 13, can promote two empennage pieces (14,18) and middle latch segment move along the length direction of guide rail 1, because the one end is spacing by elastic device 2 and screw rod 6, so limit two empennage pieces (14,18) and middle latch segment move along the length direction of guide rail 1, because two empennage pieces (14,18) and the contacted end face of middle latch segment be the inclined-plane, so two empennage pieces (14,18) has a meeting at least along the outside slippage in the inclined-plane that contacts with middle latch segment, because this locking device is together to be arranged in the slot of subrack with pcb board, so outside slippage by empennage piece and middle latch segment, increased the width of locking device, thereby the both sides of this locking device are adjacent to the both sides of slot, because the effect of frictional force just is locked at pcb board in the slot of subrack.
Middle latch segment can be for a plurality of, be three in the present embodiment, latch segment 17 in the middle of being respectively first, latch segment 15 in the middle of the latch segment 16 and the 3rd in the middle of second, the end face of latch segment joint is inclined-plane and adaptive mutually in the middle of adjacent two, and the middle latch segment (latch segment 17 and the 3rd middle latch segment 15 in the middle of first) that is positioned at two ends is adaptive with described two empennage pieces respectively.
The outer surface of the installation portion on the spanner 13 is preferably cambered surface, and the outer surface of arc makes that when rotating spanner 13 axial force that imposes on empennage piece 14 is more even.
The utility model can also comprise and being set on the described guide rail 1, and near the flat pad 10 of described spanner 13, is set on the described screw rod 6, and plain cushion 3 between described elastic device 2 and described guide rail 1 and screw grommet 4.
The thickness as outside of guide rail 1 is greater than its inboard thickness, promptly along its length direction chute is set in the inboard of guide rail 1, empennage piece (14,18) and middle latch segment all are set on the described guide rail 1, and a side that is positioned at described guide rail 1 inboard all has the slit, and this slit is greater than the thickness of described guide rail 1 inboard, less than the thickness in described guide rail 1 outside.Be that empennage piece (14,18) and middle latch segment not only can endwisely slip along guide rail 1, and on the direction of medial and lateral, also have certain degree of freedom that moves.Empennage piece (14,18) is ladder structure of right angle, and the end face length in close described guide rail 1 outside is less than the end face length of opposite side, such ramp structure can make that when empennage piece (14,18) and middle latch segment are subjected to axial force middle latch segment can be thought outer moving.
A plurality of elastomeric pads or the compression spring of elastic device 2 for being arranged in order, in the present embodiment, elastomeric pad is 24.
The novel PC B board slot locking device that the utility model embodiment provides has adopted special aluminium alloy extrusions, proprietary prescription, hardness height, standardization degree height; The application of multiple plating process can be satisfied the requirement of different suitable environments.
During concrete the use, pcb board is installed together by screw and the described pcb board groove of the utility model embodiment locking device.The locking of band pcb board has two states: one, relaxation state, and this moment, described spanner 13 was in the easy on and off state fully; Two, locking state, this moment, described spanner 13 was in tight state.
Under relaxation state, the pcb board that locking device is installed is inserted the slot of subrack, spanner 13 is upwards promoted along horizontal parabola, make 24 elastomeric pads above the locker locking take place change because of stressed, keep plumbness up to spanner and machine wall, this state enters locking state, and pcb board is fixed in the slot of subrack.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. a pcb board groove locking device is characterized in that, comprising:
Guide rail (1), its side are provided with several screw holes (5), and the one end is provided with screwed hole (8) along its length;
Be separately positioned on the empennage piece (14,18) at described guide rail (1) two ends and be positioned at middle latch segment between the described two empennage pieces (14,18), described two empennage pieces (14,18) opposing end faces is the inclined end face of symmetry, and the both ends of the surface of described middle latch segment are adaptive with described two empennage pieces (14,18) opposing end faces respectively;
One end screws in the screw rod (6) of described screwed hole (8);
Be set in the elastic device (2) on the described screw rod (6);
The spanner (13) that is connected by bearing pin (11) with the other end of described guide rail (1), described spanner has installation portion on (13), this installation portion is provided with the pin hole that cooperates with described bearing pin (11), and the pin hole (12) on the described spanner (13) is provided with respect to the center of described installation portion is eccentric.
2. pcb board groove locking device according to claim 1, it is characterized in that, latch segment is a plurality of in the middle of described, and the end face of latch segment joints is inclined-plane and adaptive mutually in the middle of adjacent two, and the middle latch segment that is positioned at two ends is adaptive with described two empennage pieces (14,18) respectively.
3. pcb board groove locking device according to claim 1 is characterized in that the outer surface of the installation portion on the described spanner (13) is a cambered surface.
4. pcb board groove locking device according to claim 1 is characterized in that, also comprises being set on the described guide rail (1), and the flat pad (10) of close described spanner (13).
5. pcb board groove locking device according to claim 1 is characterized in that, also comprises being set on the described screw rod (6), and is positioned at plain cushion (3) and screw grommet (4) between described elastic device (2) and the described guide rail (1).
6. pcb board groove locking device according to claim 1 is characterized in that the thickness as outside of described guide rail (1) is greater than its inboard thickness;
Described empennage piece (14,18) and middle latch segment all are set on the described guide rail (1), and are positioned at the inboard side of described guide rail (1) and all have the slit, and this slit is greater than the inboard thickness of described guide rail (1), less than the thickness in described guide rail (1) outside;
Described empennage piece (14,18) is ladder structure of right angle, and near the end face length of the end face length outside the described guide rail (1) less than opposite side.
7. pcb board groove locking device according to claim 1 is characterized in that, a plurality of elastomeric pads of described elastic device (2) for being arranged in order.
8. pcb board groove locking device according to claim 1 is characterized in that, described elastic device (2) is the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206296247U CN201869479U (en) | 2010-11-24 | 2010-11-24 | PCB slot locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206296247U CN201869479U (en) | 2010-11-24 | 2010-11-24 | PCB slot locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201869479U true CN201869479U (en) | 2011-06-15 |
Family
ID=44140619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206296247U Expired - Fee Related CN201869479U (en) | 2010-11-24 | 2010-11-24 | PCB slot locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201869479U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497761A (en) * | 2011-12-06 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Locking and fixing device for quickly replacing printed board |
| CN104244627A (en) * | 2014-09-23 | 2014-12-24 | 中国北方车辆研究所 | Board packaging mechanism |
| CN105188300A (en) * | 2015-09-22 | 2015-12-23 | 王付华 | Printed circuit board (PCB) clamp locking device |
| CN106982534A (en) * | 2017-04-21 | 2017-07-25 | 湖北三江航天万峰科技发展有限公司 | A kind of locking device of printed board in cabinet slot |
| CN108617134A (en) * | 2018-05-11 | 2018-10-02 | 湖北三江航天万峰科技发展有限公司 | Board component installation locking device |
| CN108811422A (en) * | 2017-09-29 | 2018-11-13 | 天津安宇华泰科技发展有限公司 | A kind of high radiating circuit plate locker |
-
2010
- 2010-11-24 CN CN2010206296247U patent/CN201869479U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497761A (en) * | 2011-12-06 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Locking and fixing device for quickly replacing printed board |
| CN104244627A (en) * | 2014-09-23 | 2014-12-24 | 中国北方车辆研究所 | Board packaging mechanism |
| CN104244627B (en) * | 2014-09-23 | 2017-11-07 | 中国北方车辆研究所 | A kind of board packaging mechanism |
| CN105188300A (en) * | 2015-09-22 | 2015-12-23 | 王付华 | Printed circuit board (PCB) clamp locking device |
| CN105188300B (en) * | 2015-09-22 | 2018-04-24 | 王付华 | A kind of pcb board card locking device |
| CN106982534A (en) * | 2017-04-21 | 2017-07-25 | 湖北三江航天万峰科技发展有限公司 | A kind of locking device of printed board in cabinet slot |
| CN106982534B (en) * | 2017-04-21 | 2019-08-20 | 湖北三江航天万峰科技发展有限公司 | A kind of locking device of printed board in cabinet slot |
| CN108811422A (en) * | 2017-09-29 | 2018-11-13 | 天津安宇华泰科技发展有限公司 | A kind of high radiating circuit plate locker |
| CN108617134A (en) * | 2018-05-11 | 2018-10-02 | 湖北三江航天万峰科技发展有限公司 | Board component installation locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20171124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |