CN102984910A - Inserting disk with pull assisting device - Google Patents
Inserting disk with pull assisting device Download PDFInfo
- Publication number
- CN102984910A CN102984910A CN2012104643966A CN201210464396A CN102984910A CN 102984910 A CN102984910 A CN 102984910A CN 2012104643966 A CN2012104643966 A CN 2012104643966A CN 201210464396 A CN201210464396 A CN 201210464396A CN 102984910 A CN102984910 A CN 102984910A
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- CN
- China
- Prior art keywords
- aid device
- printed circuit
- circuit board
- card plate
- slotting
- 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.)
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- Coupling Device And Connection With Printed Circuit (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The invention discloses an inserting disk with a pull assisting device. The inserting disk with the pull assisting device comprises the pull assisting device (20), an inserting-disk face plate (30), a printed circuit board (50) and a connecting shaft (10), wherein the connecting shaft (10) is in a stepped shape, and a mounting hole (501) of the printed circuit board (50) is in a special-shaped hole structure which is capable of preventing rotation of the connecting shaft (10). The pull assisting device (20) comprises a head portion (201) and a handle (203), a stepped shape is formed between the head portion (201) and the handle (203), and a boss (202) is arranged at the transition position of the handle (203) and the head portion (201). A notch (303) is arranged at one end of the junction position of a bottom plate portion (302) and a face plate portion (301) of the inserting-disk face plate (30), and the handle (203) of the pull assisting device (20) penetrates through the notch (303) and is located outside the inserting-disk face plate (30). By means of the inserting disk with the pull assisting device, the pull assisting device, the printed circuit board and the inserting-disk face plate can be well assembled with high reliability, and cost is low.
Description
Technical field
The present invention relates to a kind of a kind of slotting dish with drawing-aid device that is applied to optical communication field, the invention belongs to communication field.
Background technology
Along with communication technology development, the business integration degree improves constantly, the business of placing in the device space of equal volume is inserted dish quantity is corresponding and increases, the space that the slotting dish of single business occupies dwindles, insert an end of dish in business and load onto rational drawing-aid device, can make things convenient for the professional dish of inserting in useful space scope, to plug.
The professional upper assembling of the dish drawing-aid device of inserting can play plug on the one hand and act on easily, takies on the other hand the useful space of inserting dish, designs a kind of rationally necessary with the slotting dish structure of drawing-aid device.For reaching good result, have following point to need to solve:
Drawing-aid device, the assembling mode of inserting card plate and printed circuit board require rationally, and Assembly part quantity is the least possible, and panel is low for the processing cost that satisfies the drawing-aid device assembling and produce, and is convenient to installation;
Drawing-aid device motion initial, final position is spacing rationally, takies as little as possible the utilized space of printed circuit board.
Drawing-aid device does not get loose between drawing-aid device, printed circuit board and slotting card plate through repeatedly reciprocating motion, and assembling is reliable.
In current existing technical scheme, although can meet the demands to a certain extent, but still have some defectives, show:
Insert the card plate and adopt the section bar scheme, in order to assemble drawing-aid device, fixedly drawing-aid device boss can be designed in centre position, section bar panel cross section, but this boss can be interfered with printed circuit board, for avoiding interfering, mill boss and printed circuit board interference portion, increase the machine work cost;
Insert the card plate and adopt the section bar scheme, do not design the boss of assembling drawing-aid device, increase the contiguous block of L-type, can increase rigging error like this, the dish assembling is inserted in impact;
Increase the alignment pin scheme on the employing printed circuit board and reach spacing purpose, the printed circuit board relevant position increases installing hole, has increased assembling and positioning pin operation;
The design boss reaches spacing purpose near the drawing-aid device installing hole, can take the useful space of printed circuit board;
Drawing-aid device is through repeatedly reciprocating motion, and drawing-aid device, printed circuit board and slotting card plate can get loose, the assembly reliability existing problems.
Summary of the invention
The objective of the invention is to overcome the technical problem of prior art, a kind of assembling, low cost, slotting dish with drawing-aid device of dependable performance of being easy to is provided.
Operation principle of the present invention is: design a kind of connecting axle of stairstepping, connecting axle by drawing-aid device installing hole, printed circuit board installing hole and slotting card plate installing hole, is fixed connecting axle and slotting card plate with sunk screw successively.The printed circuit board installing hole adopts the irregularly-shaped hole structure, prevents that connecting axle from rotating, and the connecting axle relevant position is milled into planar structure and cooperated with the printed circuit board irregularly-shaped hole; Drawing-aid device and printed circuit board cooperation place install wear-resistant gasket additional, prevent the reciprocating motion of drawing-aid device to the wearing and tearing of printed circuit board, also can play the effect of eliminating the gap; Drawing-aid device adopts hierarchic structure, forms a ladder at the handle of inserting the card plate outside and mounting portion, so that insert on the card plate the larger space that utilizes is arranged; Drawing-aid device one end design boss structure by cooperating between drawing-aid device and panel, makes drawing-aid device stop moving to two place's extreme positions.
The technical solution adopted in the present invention is:
A kind of slotting dish with drawing-aid device, comprise drawing-aid device, insert card plate, printed circuit board, connecting axle, described connecting axle is stairstepping, it passes the slotting card plate installing hole of drawing-aid device installing hole, the printing electroplax road installing hole on the printed circuit board and slotting card plate on the drawing-aid device successively, and by sunk screw itself and slotting card plate is fixed; Described printed circuit board installing hole adopts the irregularly-shaped hole structure that prevents that connecting axle from rotating; Described drawing-aid device is comprised of head and handle, is stairstepping between its head and the handle, and the transition position of its handle and head is provided with a boss, and the direction of this boss adjacent head is provided with the first plane and the second plane; Described slotting card plate comprises bottom parts and faceplate part, and an end of its bottom parts and faceplate part junction is provided with a breach, and the handle portion of drawing-aid device runs through this breach and is in the outside of inserting the card plate; Described drawing-aid device rotary middle point arranges identical to distance, the drawing-aid device rotary middle point on described the second plane to the distance on described the first plane to distance, the drawing-aid device rotary middle point on the 3rd plane of close its bottom parts of described breach.
Described connecting axle is comprised of ladder one, ladder two, and the length of ladder one is slightly less than the thickness of printed circuit board, is provided with internal whorl in the connecting axle, and this internal whorl is mated by sunk screw slotting card plate is fixed; Drawing-aid device installing hole on described ladder one and the drawing-aid device is matched in clearance; Be provided with the planar structure that matches to prevent the connecting axle rotation with the printed circuit board installing hole on the printed circuit board on the described ladder two.
Be provided with wear washer between described drawing-aid device and the printed circuit board.
Described head end adopts circular configuration near the part position of printed circuit board center side.
The rotation centerline of described drawing-aid device coincides with the center line of described slotting card plate installing hole.
The present invention compares with the prior art scheme has following advantage:
1, adopts this programme, can allow the fixed position of printed circuit board move towards a lateral deviation of inserting dish as far as possible, thereby improve the product integrated level;
2, drawing-aid device, printed circuit board and slotting card plate three assembly reliability are good, with low cost, can not affect owing to the rotation of drawing-aid device the fixed effect of printed circuit board and panel;
3, at drawing-aid device step place design positive stop lug boss, can reduce the area of the printed circuit board that takies owing to the drawing-aid device rotation as far as possible, can utilize to a greater extent the space of printed circuit board, insert on the card plate can the more indicator light of layout thereby make, and has increased the lettering space.
Description of drawings
Fig. 1 is that the present invention inserts the dish structural representation;
Fig. 2 is that the present invention inserts card plate structure schematic diagram;
Fig. 3 is the structural representation of drawing-aid device of the present invention;
Fig. 4 is connecting axle structure schematic diagram of the present invention;
Fig. 5 is printed circuit board partial schematic diagram of the present invention;
Fig. 6 is a kind of limiting condition of drawing-aid device motion of the present invention;
Fig. 7 is the another kind of limiting condition of drawing-aid device motion of the present invention;
Fig. 8 is a kind of state of drawing-aid device motion of the present invention between two limit positions;
Fig. 9 is the integrated structural representations of a plurality of slotting dishes of the present invention;
Wherein,
10. connecting axle; 101. ladder one;
102. ladder two; 20. drawing-aid device;
201. head; 202. boss;
203. handle; 204. the first plane;
205. the second plane; 207. drawing-aid device installing hole;
30. insert the card plate; 301. faceplate part;
302. bottom parts; 303. breach;
304. the 3rd plane; 305. insert card plate installing hole;
40. sunk screw; 50. printed circuit board;
501. print electroplax road installing hole; 60. wear washer;
70. two single-deck lines of demarcation
O: the pivot of drawing-aid device;
OA: the pivot O point of drawing-aid device is to the distance on drawing-aid device boss the first plane 204;
OB: the pivot O point of drawing-aid device is to inserting the distance of card plate breach 303 near the 3rd plane 304 of its bottom parts 302;
OC: the pivot O point of drawing-aid device is to the distance on drawing-aid device boss the second plane 205;
L: the distance between two lines of demarcation, the i.e. shared height space of single single-deck;
L1: the distance between single-deck printed circuit board non-device-side surface and bottom parts 302 adjacent lines of demarcation;
L2: the distance between single-deck printed circuit board device-side surface and another line of demarcation of single-deck;
T: printed circuit plate thickness;
Embodiment
Below in conjunction with embodiment and accompanying drawing a kind of slotting dish with drawing-aid device of the present invention is made a detailed description.
The present invention with the slotting dish general structure of drawing-aid device as shown in Figure 1, insert dish by drawing-aid device 20, insert card plate 30, printed circuit board 50, connecting axle 10, sunk screw 40 and wear washer 60 and form.Connecting axle 10 is successively by drawing-aid device 20, printed circuit board 50, wear washer 60 and slotting card plate 30, and sunk screw 40 penetrates with connecting axle 10 internal whorls from the installing hole of inserting the corresponding setting with it of card plate 30 and is connected.Drawing-aid device 20 belongs to matched in clearance with cooperating of connecting axle 10, and drawing-aid device 20 is free to rotate.Wear washer 60 is installed between drawing-aid device 20 and the printed circuit board 50, reduces the friction of 50 of drawing-aid device 20 rotations and printed circuit boards.
As shown in Figure 4, connecting axle 10 structures are stepped, formed by ladder 1, ladder 2 102, the length of ladder 1 is slightly less than the thickness of printed circuit board 50, connecting axle 10 inside are provided with internal whorl, connecting axle 10 by sunk screw 40 cooperate with its internal whorl will insert card plate 30 fixing after, the printed circuit board 50 that is arranged at the setting of inserting card plate 30 and drawing-aid device 20 can be fixed, simultaneously, connecting axle 10 can not rotate.
As shown in Figure 3, drawing-aid device 20 is comprised of head 201 and handle 203 two parts, and head 201 is stairstepping with handle 203 and is connected.The drawing-aid device installing hole 207 that head 201 arranges forms matched in clearance with the ladder of connecting axle 10 1, drawing-aid device 20 can be rotated around connecting axle 10, drawing-aid device head 201 adopts circular configuration near the part position of printed circuit board center side, makes its area that takies printed circuit board in rotary course minimum.Handle 203 is provided with a boss 202 with head 201 transition positions on it, and the plane of these boss 202 adjacent head 201 comprises the first plane 204 and the second plane 205.
Printed circuit board 50 structures as shown in Figure 5, printed circuit board 50 has printed circuit board installing hole 501 with the region division that connecting axle 10 cooperates, the ladder 2 102 of connecting axle 10 cooperates with printing electroplax road installing hole 501 on the printed circuit board 50, printed circuit board installing hole 501 adopts the irregularly-shaped hole structure, ladder 2 102 relevant positions of connecting axle are milled into planar structure and are cooperated with the printed circuit board irregularly-shaped hole, its objective is to prevent that connecting axle 10 from rotating.Insert card plate 30 structures as shown in Figure 2, insert card plate 30 and adopt extrudate technique, insert card plate 30 and comprise bottom parts 302 and faceplate part 301, the bottom parts 302 of slotting card plate 30 is provided with slotting card plate installing hole 305 with printed circuit board installing hole 501 correspondence positions of printed circuit board 50, and these slotting card plate installing hole 305 installing holes are the countersunk head installing hole.One end of bottom parts 302 and faceplate part 301 junctions processes a breach 303 and assembles drawing-aid device 20.As shown in Figure 1, connecting axle 10 is successively by the slotting card plate installing hole of the drawing-aid device installing hole on the drawing-aid device 20, printed circuit board 50, the slotting card plate installing hole of slotting card plate 30, and the ladder 1 of connecting axle 10 and the drawing-aid device installing hole on the drawing-aid device 20 207 form matched in clearance can rotate drawing-aid device 20.Handle 203 parts of drawing-aid device 20 can run through this breach 303 and be in slotting card plate 30 outsides, play boosting, help the effect of pulling out, in the drawing-aid device rotary course, the boss 202 on its handle 203 can fit with the 3rd plane 304 of breach 303 close its bottom parts 302 and stop the rotation motion.Do the time spent when drawing-aid device plays to help to pull out, the handle 203 of drawing-aid device 20 pass breach 303 stretch out the faceplate part of inserting card plate 30 around drawing-aid device rotation centerline from being parallel to state sideway swivel outside inserting dish of inserting the card plate.When drawing-aid device 20 played booster action, drawing-aid device 20 turned to its handle 203 with the parallel applying of panel of inserting card plate 30 in breach 303 spaces, and breach 303 can allow drawing-aid device 20 that certain revolution space is arranged.
Position to the rotation process of drawing-aid device specifically describes, drawing-aid device is in the boosting process, when the plate connector on inserting the card plate and subrack backboard connector coupling put in place, drawing-aid device must obtain spacing in this position, otherwise inserting the dish connector can be damaged because further being subject to External Force Acting, the residing position of drawing-aid device is an extreme position, namely when drawing-aid device was positioned at the extreme position of boosting shown in Figure 6, the first plane 204 of boss 202 fitted with the 3rd plane 304 of the breach 303 of slotting card plate 30; Drawing-aid device is in helping the process of pulling out, when inserting the disengaging of dish connector and subrack backboard connector, slotting dish can easily take out from the subrack slideway, drawing-aid device also must obtain spacing in this position, there is no need on the one hand recurrence to helping the effect of pulling out, continuing on the other hand athletic meeting impacts other positions of other adjacent dishes or subrack, the residing position of drawing-aid device is another extreme position, namely work as drawing-aid device and be positioned at the extreme position that pulls out that helps shown in Figure 7, the second plane 205 of boss 202 fits with the 3rd plane 304 of the breach 303 of slotting card plate 30.In sum, at drawing-aid device 20 in its rotation centerline rotary course, when being in two extreme positions in the rotary course, the boss 202 on its drawing-aid device handle 203 can fit with the 3rd plane 304 of breach 303 close its bottom parts 302 and stop the rotation motion.When drawing-aid device drops on a certain position of inserting between the upper two limit positions of dish, as shown in Figure 8, the pivot O point of drawing-aid device is OB to the distance on the 3rd plane 304 of inserting card plate breach 303 close its bottom parts 302, the pivot O point of drawing-aid device is OC to the distance on drawing-aid device boss the second plane 205, the pivot O point of drawing-aid device is OA to the distance on drawing-aid device boss the first plane 204, when satisfying the OA=OB=OC condition, when drawing-aid device rotates to two limit positions, the first plane 204 on the boss 202 of drawing-aid device, fitting with slotting card plate breach plane respectively in the second plane 205, thereby reaches spacing state.
Slotting dish will be extracted from subrack smoothly, one need to overcome the connection resistance of connector on the printed circuit board, adopt this slotting dish structure with drawing-aid device of the present invention, when the centerline hole of set slotting card plate installing hole on the rotation centerline of drawing-aid device and the slotting card plate overlaps, utilize the drawing-aid device boosting, help the plug dish the most laborsaving.Simultaneously the present invention adopts the end in bottom parts 302 and faceplate part 301 junctions to process a breach 303 and assembles drawing-aid device, makes drawing-aid device near bottom parts 302 assemblings of inserting the card plate, makes drawing-aid device take faceplate part 301 spaces and diminishes.The present invention adopts wear washer 60 between drawing-aid device 20 and printed circuit board 50 mating surfaces, play on the one hand the gap effect of eliminating, make drawing-aid device 20 in motion process, produce certain damping, prevent that on the other hand printed circuit board 50 and drawing-aid device 20 contact positions from producing wearing and tearing.
Adopt the present invention program, can allow the fixed position of printed circuit board move towards a lateral deviation of inserting dish, as shown in Figure 9, each boundary of inserting between the dish is as the criterion with two single-deck lines of demarcation 70 as far as possible, L1 can be reduced to about 2mm, L2 is limited by the maximum height of placing components and parts and modular assembly on the printed circuit board, and the thickness of printed circuit board is T, and T is certain under certain conditions, insert dish overall height dimension L=L1+T+L2, L1 is as far as possible little, and L can be as far as possible little so, thereby improves the product integrated level;
The above, only for preferred embodiment of the present invention, so can not limit the scope of the present invention with this, the equivalence of namely doing according to the present patent application claim and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (5)
1. the slotting dish with drawing-aid device comprises drawing-aid device (20), inserts card plate (30), printed circuit board (50), connecting axle (10), it is characterized in that:
Described connecting axle (10) is stairstepping, the slotting card plate installing hole (305) that it passes successively drawing-aid device installing hole (207), the printing electroplax road installing hole (501) on the printed circuit board on the drawing-aid device (20) and inserts the card plate, and by sunk screw (40) that itself and slotting card plate (30) is fixing;
Described printed circuit board installing hole (501) adopts the irregularly-shaped hole structure that prevents that connecting axle (10) from rotating;
Described drawing-aid device (20) is comprised of head (201) and handle (203), be stairstepping between its head (201) and the handle (203), its handle (203) is provided with a boss (202) with the transition position of head (201), and the direction of this boss (202) adjacent head (201) is provided with the first plane (204) and the second plane (205);
Described slotting card plate (30) comprises bottom parts (302) and faceplate part (301), one end of its bottom parts (302) and faceplate part (301) junction is provided with a breach (303), and handle (203) part of drawing-aid device (20) runs through this breach 303 and is in the outside of inserting card plate (30);
Described drawing-aid device (20) rotary middle point arranges identical to distance, drawing-aid device (20) rotary middle point on described the second plane (205) to the distance on described the first plane (204) to distance, drawing-aid device (20) rotary middle point on the 3rd plane (304) of close its bottom parts (302) of described breach (303).
2. a kind of slotting dish with drawing-aid device as claimed in claim 1 is characterized in that:
Described connecting axle (10) is comprised of ladder one (101), ladder two (102), the length of ladder one (101) is slightly less than the thickness of printed circuit board (50), connecting axle is provided with internal whorl in (10), and this internal whorl is mated slotting card plate (30) fixing by sunk screw (40); Drawing-aid device installing hole (207) on described ladder one (101) and the drawing-aid device (20) is matched in clearance; Be provided with the planar structure that matches to prevent connecting axle (10) rotation with the printed circuit board installing hole (501) on the printed circuit board (50) on the described ladder two (102).
3. a kind of slotting dish with drawing-aid device as claimed in claim 1 or 2 is characterized in that:
Be provided with wear washer (60) between described drawing-aid device (20) and the printed circuit board (50).
4. a kind of slotting dish with drawing-aid device as claimed in claim 1 is characterized in that:
Described head end (201) adopts circular configuration near the part position of printed circuit board center side.
5. a kind of slotting dish with drawing-aid device as claimed in claim 1 or 2 is characterized in that:
The rotation centerline of described drawing-aid device (20) coincides with the center line of described slotting card plate installing hole (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464396.6A CN102984910B (en) | 2012-11-19 | 2012-11-19 | A kind of slotting dish with drawing-aid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464396.6A CN102984910B (en) | 2012-11-19 | 2012-11-19 | A kind of slotting dish with drawing-aid device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102984910A true CN102984910A (en) | 2013-03-20 |
| CN102984910B CN102984910B (en) | 2016-01-13 |
Family
ID=47858518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210464396.6A Active CN102984910B (en) | 2012-11-19 | 2012-11-19 | A kind of slotting dish with drawing-aid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102984910B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110730587A (en) * | 2019-11-26 | 2020-01-24 | 国核自仪***工程有限公司 | Multi-block printed board fixing device with power assisting function |
| TWI718420B (en) * | 2018-10-09 | 2021-02-11 | 台達電子工業股份有限公司 | Communication module and puller of the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919794Y (en) * | 2005-12-17 | 2007-07-04 | 华为技术有限公司 | Plug-in |
| US20110182006A1 (en) * | 2010-01-25 | 2011-07-28 | Hon Hai Precision Industry Co., Ltd. | Removable assembly and communication device employing same |
-
2012
- 2012-11-19 CN CN201210464396.6A patent/CN102984910B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919794Y (en) * | 2005-12-17 | 2007-07-04 | 华为技术有限公司 | Plug-in |
| US20110182006A1 (en) * | 2010-01-25 | 2011-07-28 | Hon Hai Precision Industry Co., Ltd. | Removable assembly and communication device employing same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI718420B (en) * | 2018-10-09 | 2021-02-11 | 台達電子工業股份有限公司 | Communication module and puller of the same |
| CN110730587A (en) * | 2019-11-26 | 2020-01-24 | 国核自仪***工程有限公司 | Multi-block printed board fixing device with power assisting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102984910B (en) | 2016-01-13 |
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