CN209207347U - A kind of optical module double-layer circuit board stationary fixture - Google Patents
A kind of optical module double-layer circuit board stationary fixture Download PDFInfo
- Publication number
- CN209207347U CN209207347U CN201920721369.XU CN201920721369U CN209207347U CN 209207347 U CN209207347 U CN 209207347U CN 201920721369 U CN201920721369 U CN 201920721369U CN 209207347 U CN209207347 U CN 209207347U
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- China
- Prior art keywords
- optical module
- pressing plate
- circuit board
- limited block
- pedestal
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- 230000003287 optical effect Effects 0.000 title claims abstract description 59
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The utility model discloses a kind of optical module double-layer circuit board stationary fixtures, including pedestal and pressing plate, the limit card slot for placing optical module is set on pedestal, pressing plate is hinged by pin and pedestal, limited block is set on pressing plate, limited block is used with pressing plate and base engagement, and is compressed to optical module, regulating device is set on pressing plate, limited block is set on pressing plate by regulating device and pressing plate is cooperated to limit cushion block.The stationary fixture is exclusively used in completing the screw assembly work of optical module mainboard and daughter board, when can avoid existing manual assembly, skidding that screw occurs, offset phenomena, can quickly and effectively realize the assembly work of screw, circuit board is avoided the case where of increasing operation difficulty such as to upwarp.
Description
Technical field
The utility model is a kind of optical module double-layer circuit board stationary fixture, and in particular between optical module printed circuit board
The fixation device of lock screw, belongs to technical field of photo communication.
Background technique
Optical module has the function of photoelectric conversion, is the carrier for being transmitted between interchanger and equipment, mainly by
The composition such as opto-electronic device, printed circuit board and optical interface.When practical operation, the printed circuit that is used due to optical module structure
Plate is divided into mainboard a and daughter board b, and as shown in Fig. 1 structure, then the two is squeezed by supporting cushion block therebetween to limit in cushion block
Screw is fixed, and existing situation is that after manually installing cushion block and screw, it is tight to reuse screwdriver using manual operation
Gu.In actual use, often have the following problems: mainboard and daughter board spacing are narrow, and operation screwdriver difficulty is big, screw easily occur
Skid or cushion block displacement and the case where break component on circuit board, in addition, to meet protocol requirement, in assembly, the son that upwarps
Plate will also result in the increase of screw installation difficulty.
Existing patent document CN208672885U(is used for the frock clamp of optical module, 2019.03.29) disclose it is a kind of by
Clamping fixture seat and driving box composition frock clamp, specifically use electricity piece and mechanical transmission structure with effectively, it is automatically right
Optical module tooling is stepped up, convenient manually to be operated, but the structure adding to the optical module structure with double-layer circuit board
It is tight not advantageous, when practical operation, how screw between mainboard and daughter board is fixed to be only and improves this kind of optical module structure
The emphasis of assembly efficiency.For this purpose, the utility model proposes a kind of stationary fixtures specifically for optical module double-layer circuit board.
Utility model content
The purpose of this utility model is to provide a kind of optical module double-layer circuit board stationary fixture, the stationary fixture is dedicated
In the screw assembly work for completing optical module mainboard and daughter board, when can avoid existing manual assembly, skidding, the displacement of screw appearance
Phenomenon can quickly and effectively realize the assembly work of screw, and circuit board is avoided the case where of increasing operation difficulty such as to upwarp.
The utility model is achieved through the following technical solutions: a kind of optical module double-layer circuit board stationary fixture, including bottom
Seat and pressing plate set the limit card slot for placing optical module on pedestal, and pressing plate is hinged with pedestal by pin, and limited block is set on pressing plate,
Limited block is used with pressing plate and base engagement, and is compressed to optical module, regulating device is set on pressing plate, limited block passes through adjusting
Device is set on pressing plate and pressing plate is cooperated to limit cushion block.
The regulating device includes the movable block equipped with strip-shaped hole, is arranged adjusting screw in strip-shaped hole, and establishing is closed on pressing plate
The screw hole of screw is adjusted, limited block is set to movable block end and acts on cushion block.
The cross section of the limited block is L-shaped, and the vertical portion of limited block is set to above movable block end, the level of limited block
The end in portion acts on cushion block, and the bottom of the horizontal part of limited block acts on circuit board.
The regulating device is located at the side of optical module, and screw hole quantity is two, straight line where the two screw hole centers of circle perpendicular to
Optical module, the quantity for adjusting screw are at least 1.
The quantity of the regulating device is two, is divided into the two sides of optical module.
Locking device is set on the pedestal, locking device includes that the locking of removable pin and rotation on removable pin is closed
Page, removable pin and pin are divided into pedestal both ends, and pressing plate end sets the latch segment for locking hinge.
It is additionally provided on the pressing plate and keeps away a hole with converging module and limit card slot.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model is cooperated by pressing plate and pedestal, in use, pressing plate is pressed on pedestal with pin rotation,
Limited block on pressing plate is with pressing plate and base engagement and compresses the circuit board of optical module, to realize the limit for upwarping daughter board in optical module
Position, convenient for the assembly of circuit board screw.
(2) diversity as existing for the every batch of product of optical module device, for the applicability for guaranteeing limited block, this is practical
New design has regulating device, using the cooperation for adjusting screw and strip-shaped hole, can preferably adjust limited block and different optical modes
The angle and distance of block improves assembly efficiency to realize the fixation of cushion block and daughter board.
(3) the utility model makes limited block compress the daughter board upwarped with pressing plate by the way that limited block is arranged in optical module two sides
Afterwards, then regulating device is adjusted so that limited block acts on cushion block, further cushion block is fixed, is avoided tight using screwdriver
Gu the case where having skidded and be displaced when screw improves working efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optical module.
Fig. 2 is the structural schematic diagram (one) of the utility model stationary fixture.
Fig. 3 is the side view of stationary fixture shown in Fig. 2.
Fig. 4 is the structural schematic diagram (two) of the utility model stationary fixture.
Fig. 5 is the top view of stationary fixture shown in Fig. 4.
Fig. 6 is the enlarged diagram of A shown in Fig. 4.
Wherein, 1-pedestal, 2-pressing plates, 3-limit card slots, 4-pins, 5-limited blocks, 6-regulating devices, 6-1-
Strip-shaped hole, 6-2-movable block, 6-3-adjusting screw, 7-screw holes, 8-optical modules, 8-1-cushion block, 8-2-circuit board, 9-
Removable pin, 10-locking hinges, 11-latch segments, 12-keep away a hole, 13-bit-avoiding slots.
Specific embodiment
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
Embodiment:
The present embodiment is related to a kind of optical module double-layer circuit board stationary fixture, which is suitable for as shown in Figure 1
Optical module 8 carries out the structure for limiting and being fixed by screw by cushion block 8-1 between mainboard a and daughter board b.Due to mainboard
When the narrow space between daughter board, manual assembly cushion block 8-1 and screw, easily there is the case where screw skidding or cushion block 8-1 displacement,
It in turn results in screwdriver to damage component on circuit board 8-2, for this reason, it may be necessary to using specific assembly tooling to optical module
8 are limited and are fixed, to realize that cushion block 8-1 and screw are more convenient, are more effectively assembled.
As shown in Fig. 2, Fig. 3 structure, the stationary fixture that the present embodiment is related to mainly is made of pedestal 1 and pressing plate 2, pedestal 1
It is equipped with limit card slot 3, optical module 8 is placed in limit card slot 3, and 3 protrusion of limit card slot is set on pedestal 1, U-shaped knot
Structure, and cooperate and limited for two ends to optical module 8, pedestal 1 is equipped with bit-avoiding slot 13, on the one hand can be used for being adapted to
On the other hand optical module structure can preferably pick and place optical module 8 convenient for staff.Pressing plate 2 is rotatably set on pedestal 1,
And be additionally provided on pressing plate 2 and keep away a hole 12 with converging module 8 and limit card slot 3, as shown in Figure 2 and Figure 3, pressing plate 2 passes through pin
4 is hinged with pedestal 1.
As shown in Fig. 4, Fig. 5 structure, the present embodiment designs on pressing plate 2 regulating device 6 and limited block 5, wherein adjusts
Device 6 is the movable block 6-2 equipped with strip-shaped hole 6-1, is arranged on strip-shaped hole 6-1 and adjusts screw 6-3, sets screw hole 7, spiral shell on pressing plate 2
Hole 7 adjusts screw 6-3 for assembling, and limited block 5 is set to the end of movable block 6-2, and is set on pressing plate 2 by movable block 6-2.
It is recognised that the cross section of limited block 5 is L-shaped, the vertical portion of limited block 5 is set on the end movable block 6-2 structure as shown in Figure 6
Side, the end of the horizontal part of limited block 5 act on cushion block 8-1, and the bottom of the horizontal part of limited block 5 acts on circuit board 8-2
On.When pressing plate 2 is closed on pedestal 1, it can be achieved that limited block 5 steps up cushion block 8- to 5 horizontal part end of cushion block 8-1(limited block
1) and the bottom of 5 horizontal part of optical module 8(limited block compress daughter board) step up.
By Fig. 4 structure it is recognised that the present embodiment is provided with regulating device 6,8 two sides of optical module in 8 two sides of optical module
7 quantity of screw hole be respectively two, perpendicular to optical module 8, adjust screw 6-3 can be used for adjusting straight line where two screw holes, 7 center of circle
The distance of movable block 6-2 cushion block 8-1 on optical module 8, to realize stepping up for 8 cushion block 8-1 of optical module between different batches.It is practical
In use, each regulating device 6 at least uses 1 adjusting screw 6-3, unclamps and adjust screw 6-3, it can be achieved that movable block 6-
2 movement or rotation, and limited block 5 is adjusted to suitable location, it screws and adjusts screw 6-3, movable block 6-2 can be consolidated
It is fixed.
Preferably to realize that pressing plate 2 steps up to act on, the present embodiment is additionally provided with locking device on pedestal 1, as Fig. 2,
Shown in Fig. 4, locking device is made of the locking hinge 10 that removable pin 9 and rotation are set on removable pin 9, removable pin 9 and pin 4
Two ends of pedestal 1 are divided into, 2 end of pressing plate sets the latch segment 11 for locking hinge 10, when pressing plate 2 is closed to pedestal 1
When upper, rotation lock hinge 10 is sheathed on latch segment 11, realizes the locking of pressing plate 2.
The present embodiment specific steps are as follows:
A: the optical module 8 for placing cushion block 8-1 and screw is placed in the limit card slot 3 of pedestal 1；
B: the rotation of pressing plate 2 is closed on pedestal 1, and rotation lock hinge 10 realizes the lock of pressing plate 2 on latch segment 11
Tightly；
C: rotation adjusts screw 6-3 and simultaneously adjusts limited block 5, on optical module 8 cushion block 8-1 and circuit board 8-2 add
Tightly；
D: assembling optical module 8 using screwdriver, after the assembly is completed, opens pressing plate 2, takes out the optical module assembled
8。
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (7)
1. a kind of optical module double-layer circuit board stationary fixture, it is characterised in that: including pedestal (1) and pressing plate (2), pedestal (1)
On set the limit card slot (3) for placing optical module (8), pressing plate (2) hingedly by pin (4) and pedestal (1), limit on (2) by pressing plate
Position block (5), limited block (5) is used cooperatively with pressing plate (2) and pedestal (1), and is compressed to optical module (8), and pressing plate is set on (2)
Regulating device (6), limited block (5) are set on pressing plate (2) by regulating device (6) and pressing plate (2) are cooperated to carry out cushion block (8-1)
Limit.
2. a kind of optical module double-layer circuit board stationary fixture according to claim 1, it is characterised in that: the adjusting dress
Setting (6) includes the movable block (6-2) equipped with strip-shaped hole (6-1), is arranged in strip-shaped hole (6-1) and adjusts screw (6-3), pressing plate (2)
The screw hole (7) for adjusting screw (6-3) is closed in upper establishing, and limited block (5) is set to the movable block end (6-2) and acts on cushion block (8-1)
On.
3. a kind of optical module double-layer circuit board stationary fixture according to claim 2, it is characterised in that: the limited block
(5) cross section is L-shaped, and the vertical portion of limited block (5) is set to above the end movable block (6-2), the horizontal part of limited block (5)
End acts on cushion block (8-1), and the bottom of the horizontal part of limited block (5) acts on circuit board (8-2).
4. a kind of optical module double-layer circuit board stationary fixture according to claim 2, it is characterised in that: the adjusting dress
The side that (6) are located at optical module (8) is set, screw hole (7) quantity is two, and straight line is perpendicular to optical module where two screw holes (7) center of circle
(8), the quantity for adjusting screw (6-3) is at least 1.
5. a kind of optical module double-layer circuit board stationary fixture according to claim 4, it is characterised in that: the adjusting dress
The quantity for setting (6) is two, is divided into the two sides of optical module (8).
6. a kind of optical module double-layer circuit board stationary fixture according to claim 1, it is characterised in that: the pedestal
(1) locking device is set on, locking device includes the locking hinge (10) of removable pin (9) and rotation on removable pin (9), living
Dynamic pin (9) and pin (4) are divided into pedestal (1) both ends, and pressing plate (2) end sets the latch segment (11) for locking hinge (10).
7. a kind of optical module double-layer circuit board stationary fixture according to claim 1, it is characterised in that: the pressing plate
(2) it is additionally provided on and keeps away a hole (12) with converging module (8) and limit card slot (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721369.XU CN209207347U (en) | 2019-05-20 | 2019-05-20 | A kind of optical module double-layer circuit board stationary fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721369.XU CN209207347U (en) | 2019-05-20 | 2019-05-20 | A kind of optical module double-layer circuit board stationary fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209207347U true CN209207347U (en) | 2019-08-06 |
Family
ID=67468138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920721369.XU Expired - Fee Related CN209207347U (en) | 2019-05-20 | 2019-05-20 | A kind of optical module double-layer circuit board stationary fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209207347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185784A (en) * | 2020-08-27 | 2021-01-05 | 西安交通大学 | Assembly tool and assembly method for dynode of electron multiplier |
| CN113146220A (en) * | 2021-04-29 | 2021-07-23 | 江苏创源电子有限公司 | Positioning device and positioning method |
-
2019
- 2019-05-20 CN CN201920721369.XU patent/CN209207347U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185784A (en) * | 2020-08-27 | 2021-01-05 | 西安交通大学 | Assembly tool and assembly method for dynode of electron multiplier |
| CN112185784B (en) * | 2020-08-27 | 2022-02-01 | 西安交通大学 | Assembly tool and assembly method for dynode of electron multiplier |
| CN113146220A (en) * | 2021-04-29 | 2021-07-23 | 江苏创源电子有限公司 | Positioning device and positioning method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 |