CN109980536A - A kind of subrack backboard PCB mounting structure - Google Patents
A kind of subrack backboard PCB mounting structure Download PDFInfo
- Publication number
- CN109980536A CN109980536A CN201711450422.9A CN201711450422A CN109980536A CN 109980536 A CN109980536 A CN 109980536A CN 201711450422 A CN201711450422 A CN 201711450422A CN 109980536 A CN109980536 A CN 109980536A
- Authority
- CN
- China
- Prior art keywords
- subrack
- crossbeam
- anchorage bar
- backboard pcb
- backboard
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000010138 Diastema Diseases 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000475 diastema Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/042—Mounting on perforated supports by means of screws or locking members
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The present invention discloses a kind of subrack backboard PCB mounting structure, including for being bonded fixed crossbeam with backboard PCB, crossbeam is equipped with more, the length of crossbeam is greater than the width of backboard PCB, the complete support of backboard PCB, the both ends of more crossbeams disposed in parallel can be respectively fixedly connected in anchorage bar, crossbeam is in laterally setting, in vertically arranged, more crossbeams are fixed as one anchorage bar by the anchorage bar positioned at two sides；Anchorage bar is coplanar with the side that crossbeam is used to be bonded with subrack, is guaranteed that crossbeam and anchorage bar can be fitted on subrack, is kept the support effect of backboard PCB everywhere uniform, guarantees the structural strength of backboard PCB；Two anchorage bars with subrack for being fixedly connected.More crossbeams are connected to one by the present invention by two anchorage bars, the structure connecting with subrack is reduced to two, and anchorage bar is not directly connected to backboard PCB, therefore bigger connector can be used, the operation done in disassembly process is less, improves disassembly efficiency.
Description
Technical field
The present invention relates to train controller switching equipment technical fields, further relate to a kind of subrack backboard PCB mounting structure.
Background technique
Used a large amount of subrack in power distribution cabinet in EMU, subrack it is many kinds of, but each subrack is designed with back
Plate PCB, subrack structure are mainly inserted by crossbeam, guide rail bar, screw thread item, Insertion panel, hangers, backboard, upper and lower cover plates, left side plate
The composition such as part PCB, backboard PCB.The crossbeam for fixing pcb board is fixedly installed on traditional subrack structure backboard, on crossbeam
Screw hole is opened up, position is corresponded on backboard PCB and opens up screw hole, backboard PCB is fixed on by subrack by screw during installation
On, since screw is directly fixedly connected with backboard PCB, the screw of big specification cannot be used, small-sized screw can only be used, just not
Backboard PCB can be damaged；In order to guarantee fixed stability, need to be coupled multiple screws on every crossbeam, on entire subrack
Equipped with more crossbeams, it is therefore desirable to which the screw amount of installation is very big.
With the fast development of railway transportation, the quality, reliability and maintenance efficiency of the basic parts such as subrack are proposed more
High requirement, traditional backboard PCB are fixed using dozens of screw, can guarantee enough reliabilities, but installation and later period dimension
It is cumbersome to protect disassembly process, it is difficult to meet the requirement of rapid-maintenance.For those skilled in the art, designing one kind can be fast
The structure of speed dismounting backboard PCB, is the current technical issues that need to address.
Summary of the invention
The present invention provides a kind of subrack backboard PCB mounting structure, uses less connection relative to traditional connection structure
Part, to achieve the purpose that fast assembling-disassembling, concrete scheme is as follows:
A kind of subrack backboard PCB mounting structure, including for being bonded fixed crossbeam, the length of the crossbeam with backboard PCB
Degree is greater than the width of backboard PCB；The both ends of the more crossbeams disposed in parallel are respectively fixedly connected in anchorage bar, the fastening
Bar is coplanar with the side that the crossbeam is used to be bonded with subrack, and two anchorage bars with subrack for being fixedly connected.
Optionally, it is fixedly connected between the crossbeam and backboard PCB by screw.
Optionally, it is opened up on the anchorage bar for the bolt hole fixed with subrack, the anchorage bar is bolted
On subrack；The Bolt sizes being arranged on the anchorage bar are greater than the screw on the crossbeam.
Optionally, dowel hole is opened up on the anchorage bar, positioning stud is correspondingly arranged on subrack, and the anchorage bar is corresponding
It is sleeved on the positioning stud, and fixed by nut.
Optionally, the anchorage bar is made of aluminum corner brace；One of side of the anchorage bar and the crossbeam pass through spiral shell
Nail is fixedly connected.
Optionally, positioning plate is fixedly mounted on the anchorage bar；The end of the positioning plate can act against the crossbeam
A side, to prevent the crossbeam from rotating.
The present invention provides a kind of subrack backboard PCB mounting structure, including for being bonded fixed crossbeam with backboard PCB,
Crossbeam is equipped with more, and the length of crossbeam is greater than the width of backboard PCB, can be by the complete support of backboard PCB, and more disposed in parallel
The both ends of crossbeam are respectively fixedly connected in anchorage bar, and for crossbeam in laterally setting, anchorage bar is in vertically arranged, the fastening positioned at two sides
More crossbeams are fixed as one by bar；The side that anchorage bar and crossbeam are used to be bonded with subrack is coplanar with, and guarantees crossbeam and tightly
Solid rod can be fitted on subrack, keep the support effect of backboard PCB everywhere uniform, guarantee the structural strength of backboard PCB；Two
Anchorage bar with subrack for being fixedly connected.
More crossbeams are connected to one by the present invention by two anchorage bars, and the structure connecting with subrack is reduced to two
Root, and anchorage bar is not directly connected to backboard PCB, therefore bigger connector can be used, done in disassembly process
Operation is less, improves disassembly efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the inside structure figure of subrack backboard PCB mounting structure of the present invention；
Fig. 2 is the outboard structure figure of subrack backboard PCB mounting structure of the present invention；
Fig. 3 is the partial enlarged view of part A in Fig. 1.
Include: in figure
Crossbeam 1, anchorage bar 2, positioning plate 3.
Specific embodiment
Core of the invention is to provide a kind of subrack backboard PCB mounting structure, use relative to traditional connection structure
Less connector, to achieve the purpose that fast assembling-disassembling.
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing and specifically
Embodiment, explanation is described in detail to subrack backboard PCB mounting structure of the invention.
It is from the direction inside subrack as shown in Figure 1, being the inside structure figure of subrack backboard PCB mounting structure of the present invention
Observation；Fig. 2 is the outboard structure figure of subrack backboard PCB mounting structure of the present invention, for from the direction outside subrack.The present invention
A kind of subrack backboard PCB mounting structure is provided, which includes for being bonded fixed crossbeam 1 with backboard PCB, and crossbeam 1 is parallel
It is arranged more, and is set in parallel between each other.The length of crossbeam 1 is equal greater than the both ends of the width of backboard PCB namely crossbeam 1
Backboard PCB can be stretched out, extension is for being connected and fixed, and backboard PCB is fully located within the scope of crossbeam 1, and crossbeam is to backboard
PCB plays good supporting role.More 1 both ends of crossbeam disposed in parallel are respectively fixedly connected in anchorage bar 2, pass through anchorage bar
2 are fixed to each other more crossbeams 1, to form the frame structure of an entirety；Both anchorage bar 2 and crossbeam 1 are used for and subrack
The side of fitting is coplanar with, and crossbeam 1 is horizontally tightly attached to subrack, and anchorage bar 2 is close to subrack in the longitudinal direction, to make backboard
PCB can be fitted on subrack backboard, and subrack avoids diastema from existing the support uniformity of backboard PCB.
For being fixedly connected with subrack, crossbeam is not direct to be connect two anchorage bars 2 with subrack, only plays fixation in the present invention
With the effect of supporting back board PCB, the frame structure that backboard PCB is first constituted with crossbeam 1 and anchorage bar 2 is integrally kept fixed, then
Frame structure and subrack are fixed, relative to traditional backboard PCB type of attachment, the present invention reduces the rod piece connecting with subrack
It is two, and anchorage bar 2 is not directly connected backboard PCB, pressure will not be generated to backboard PCB and destroyed, therefore can adopted
With bigger connector, relative to small-sized connecting pieces, big connector can reach identical connection in the case where smaller amounts and make
Firmly, less connector can be used, every anchorage bar 2 can be fixed by less connector；The present invention is by traditional more
Crossbeam directly fixation is changed to only fix by two anchorage bars, reduces the quantity of fixed beam, the connector on every rod piece
Quantity is also accordingly reduced, and connector quantity for fixing is integrally greatly decreased, and reduces operating procedure in disassembly process, disassembly
When crossbeam 1 is removed with frame structure that anchorage bar 2 forms together with backboard PCB is synchronous, to meet the requirement of fast assembling-disassembling,
Improve the disassembly efficiency of backboard PCB.
On the basis of above scheme, it is fixedly connected between middle cross beam 1 of the present invention and backboard PCB by screw, in backboard
The upper corresponding position PCB opens up connecting hole, and screw passes through connecting hole and fixes backboard PCB with crossbeam, can set on a crossbeam 1
Multiple connecting holes are set, guarantee the connectivity robustness of backboard PCB by sufficient amount of screw.
Further, it is opened up on anchorage bar 2 for the bolt hole fixed with subrack, anchorage bar 2 is bolted on
On subrack, threaded hole is arranged in corresponding position on subrack, by the through-hole carried on the back on anchorage bar 2 and threaded hole to just afterwards inserting bolt
Enter, anchorage bar 2 is pressed on by the subrack back side by bolt.Anchorage bar 2 is not directly coupled backboard PCB, can make to set on anchorage bar 2
The Bolt sizes set are greater than the screw on crossbeam 1, reduce the usage amount of screw, and ensure bonding strength.
Optionally, other connection structures also can be used in anchorage bar 2, and dowel hole is opened up on anchorage bar 2, is corresponded on subrack
Positioning stud is set, and the correspondence of anchorage bar 2 is sleeved on positioning stud, and is fixed by nut, exposes backboard in positioning stud
External screw thread is arranged in the end of PCB, and nut and external screw thread cooperate, by nut that anchorage bar 2 is fixed.This connection structure is being pacified
First anchorage bar 2 is positioned by positioning stud when dress, does not need operator hand steered backboard PCB always.
Preferably, anchorage bar 2 is made of aluminum corner brace；One of side of anchorage bar 2 and crossbeam 1 connect by the way that screw is fixed
It connects, screw is passed through from a side of anchorage bar 2 along the length direction of crossbeam 1, and is threadedly coupled with the holding of crossbeam 1, will be horizontal
The both ends of beam 1 are separately fixed on two anchorage bars 2.It not will cause crossbeam 1 and the deformation of anchorage bar 2 by the way that screw is fixed, it can
Reach higher assembly precision.Certainly, it other than the fixed form of screw, also using other connection types, such as welds
Deng these specific set-up modes should also be included within protection scope of the present invention.
Further, because using screw to connect between crossbeam 1 and fastening plates 2, crossbeam 1 may be rotated around screw, in order to anti-
It only rotates, positioning plate 3 is fixedly mounted on anchorage bar 2, as shown in figure 3, for the partial enlarged view of part A in Fig. 1；Positioning
Plate 3 is located in the plate face of 1 end of crossbeam connection, and positioning plate 3 has certain thickness, and crossbeam 1 at least should be equipped with one
The side of plane, the edge of positioning plate 3 can act against a side of crossbeam 1, to prevent crossbeam 1 from rotating.Positioning plate 3 and tight
The length direction of solid rod 2 is consistent, and the fixed form of riveting can be used between positioning plate 3 and fastening plates 2, to guarantee two
The bonding strength of person.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, this hair
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (6)
1. a kind of subrack backboard PCB mounting structure, which is characterized in that including for being bonded fixed crossbeam (1) with backboard PCB,
The length of the crossbeam (1) is greater than the width of backboard PCB；The both ends of the more crossbeams (1) disposed in parallel are fixed respectively to be connected
It is connected to anchorage bar (2), the anchorage bar (2) is coplanar with the side that the crossbeam (1) is used to be bonded with subrack, described in two
Anchorage bar (2) with subrack for being fixedly connected.
2. subrack backboard PCB mounting structure according to claim 1, which is characterized in that the crossbeam (1) and backboard PCB
Between be fixedly connected by screw.
3. subrack backboard PCB mounting structure according to claim 2, which is characterized in that open up use on the anchorage bar (2)
In the bolt hole fixed with subrack, the anchorage bar (2) is bolted on subrack；It is arranged on the anchorage bar (2)
Bolt sizes are greater than the screw on the crossbeam (1).
4. subrack backboard PCB mounting structure according to claim 2, which is characterized in that it is fixed to open up on the anchorage bar (2)
Position pin hole is correspondingly arranged positioning stud on subrack, and anchorage bar (2) correspondence is sleeved on the positioning stud, and is passed through
Nut is fixed.
5. subrack backboard PCB mounting structure according to claim 3 or 4, which is characterized in that the anchorage bar (2) is by angle
Aluminium is made；One of side of the anchorage bar (2) is fixedly connected with the crossbeam (1) by screw.
6. subrack backboard PCB mounting structure according to claim 5, which is characterized in that fixed peace on the anchorage bar (2)
It fills positioning plate (3)；The end of the positioning plate (3) can act against a side of the crossbeam (1), to prevent the crossbeam
(1) it rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450422.9A CN109980536A (en) | 2017-12-27 | 2017-12-27 | A kind of subrack backboard PCB mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450422.9A CN109980536A (en) | 2017-12-27 | 2017-12-27 | A kind of subrack backboard PCB mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109980536A true CN109980536A (en) | 2019-07-05 |
Family
ID=67072593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711450422.9A Pending CN109980536A (en) | 2017-12-27 | 2017-12-27 | A kind of subrack backboard PCB mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109980536A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201213339Y (en) * | 2008-06-11 | 2009-03-25 | 中兴通讯股份有限公司 | Front and rear plug-in sub-boxes for easy assembly and disassembly of the back panel |
| CN204141051U (en) * | 2014-08-12 | 2015-02-04 | 苏州市木易船舶设备有限公司 | Assembly type cable bracket |
| CN204537008U (en) * | 2014-12-26 | 2015-08-05 | 睿能科技(北京)有限公司 | The mounting structure of a kind of board and cabinet |
| CN206118242U (en) * | 2016-09-22 | 2017-04-19 | 北京东土军悦科技有限公司 | Subrack structure and electronic equipment |
-
2017
- 2017-12-27 CN CN201711450422.9A patent/CN109980536A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201213339Y (en) * | 2008-06-11 | 2009-03-25 | 中兴通讯股份有限公司 | Front and rear plug-in sub-boxes for easy assembly and disassembly of the back panel |
| CN204141051U (en) * | 2014-08-12 | 2015-02-04 | 苏州市木易船舶设备有限公司 | Assembly type cable bracket |
| CN204537008U (en) * | 2014-12-26 | 2015-08-05 | 睿能科技(北京)有限公司 | The mounting structure of a kind of board and cabinet |
| CN206118242U (en) * | 2016-09-22 | 2017-04-19 | 北京东土军悦科技有限公司 | Subrack structure and electronic equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190705 |