CN207897223U - Double-side fixing structure of device on circuit board - Google Patents
Double-side fixing structure of device on circuit board Download PDFInfo
- Publication number
- CN207897223U CN207897223U CN201721920893.7U CN201721920893U CN207897223U CN 207897223 U CN207897223 U CN 207897223U CN 201721920893 U CN201721920893 U CN 201721920893U CN 207897223 U CN207897223 U CN 207897223U
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- Prior art keywords
- circuit board
- connecting pole
- utility
- cylindrical structure
- fixed structure
- 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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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 22
- 238000003466 welding Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model provides a two-sided fixed knot of device constructs on circuit board, include: at least one pad disposed on the second side of the circuit board; at least one spliced pole, the spliced pole passes the fixed orifices of circuit board for the device of the fixed circuit board two sides of connecting, the spliced pole includes: a first end having a first cylindrical structure, the first cylindrical structure being connected to a device on a first side of the circuit board; and the second end comprises a flange structure and a second cylindrical structure, the outer diameter of the flange structure is larger than the diameter of the fixing hole on the circuit board and is welded on the second surface of the circuit board through a welding plate, and the second cylindrical structure is connected with a device on the second surface of the circuit board. The utility model adopts the connecting column to integrally weld the devices on the two sides of the circuit board and the circuit board, and the looseness and the falling can not occur in the work and the transportation; and the working procedures of fixing the studs up and down are reduced, and the working efficiency is improved.
Description
Technical field
The utility model is related on board design field more particularly to a kind of follow-on circuit board device it is two-sided solid
Determine structure.
Background technology
In Modern computing devices, miniaturization, integration increasingly become the trend of product development, therefore, rationally utilize production
Product inner space, so that product is possessed more powerful operational capability, becomes particularly important.
In many calculating products, for example, in some new-type bit coin mine machines, need computing module being arranged in circuit board
Upper and lower surface distribution.It is fixed on circuit board using single head copper post and bilateral copper post at present, then device is fixed to copper post
And on the connector on circuit board.
At present on circuit board two-sided fixation there are the problem of include：1, in transportational process, single head copper post and bilateral copper
Column loosening can occur and even fall off because of vibrations, and interfacing part on device and plate is caused to damage；2, it is fixed in copper post when device
When, having probability causes during the installation process, and the fixation of two copper posts loosens, and causes device that can not be fixed with copper post；3, double
After logical copper post is fixed to each other with single head copper post, it may appear that for immobilising device using fixed thread in the screw thread of bilateral copper post
Deficiency, therefore it is be easy to cause bilateral copper stud thread damage in installing, and can lead to the fixation of screw and copper post in transport
It loosens.
Problem above can cause device and computing device can not normal use even damage, therefore it provides it is a kind of more preferably
The fixed solution of two-sided layout device, becomes current urgent problem to be solved.
Utility model content
(1) technical problems to be solved
The utility model provides a kind of two-sided fixed structure of device on circuit board, mentioned above at least partly to solve
The technical issues of going out.
(2) technical solution
One side according to the present utility model provides a kind of two-sided fixed structure of device on circuit board, including：Extremely
A few pad, the pad are set on the second face of circuit board；At least one connecting pole, the connecting pole pass through circuit board
Mounting hole, the device for being connected and fixed circuit board two sides, the connecting pole include：First end, the first end have first
The device of cylindrical structure, first cylindrical structure and circuit board first face connects；Second end, the second end include method
The outer diameter of blue structure and the second cylindrical structure, the flange arrangement is more than the diameter of mounting hole on circuit board, and passes through pad
It is welded on the second face of circuit board, second cylindrical structure is connect with the device in the second face of circuit board.
In the utility model some embodiments, the inside of the connecting pole, which has, is arranged threaded through hole, passes through
Three combined screws are connect with device, and three combined screw contains plain cushion or spring washer.
In the utility model some embodiments, after the connecting pole is welded to circuit board, the connecting pole first end
The distance of top surface to circuit board first face is identical at a distance from the top surface of second end to the second face of circuit board.
In the utility model some embodiments, the bond pad surface is provided with steel mesh, for solder(ing) paste to be arranged.
In the utility model some embodiments, the diameter and flange of the second cylindrical structure of the connecting pole cylinder
The ratio range of diameter of movement is 1: 2~1: 3；The diameter and the first cylinder of second cylindrical structure of the connecting pole cylinder
The diameter of shape structure is identical.
In the utility model some embodiments, the cross sectional shape of the second end flange arrangement is circular ring shape；The weldering
The shape of disk be and the corresponding shape of flange arrangement.
In the utility model some embodiments, the material of the connecting pole uses copper, aluminium or stainless steel.
In the utility model some embodiments, gasket is provided between the periphery of the connecting pole, device and circuit board.
In the utility model some embodiments, the device is computing module, hard disk, video card or power supply.
(3) advantageous effect
It can be seen from the above technical proposal that on the utility model circuit board the two-sided fixed structure of device at least have with
One of lower advantageous effect：
(1) due to that, by the device on circuit board two sides and circuit board entirety welding machine, in work and will not be transported using connecting pole
In, occur loosening and fall；
(2) due to being connected using welding manner, reduce the process of upper and lower fixed bolt, improve working efficiency, and group
It will not be loosened when filling device.
Description of the drawings
Fig. 1 is the schematic diagram of the two-sided fixed structure of device on the utility model embodiment circuit board.
Fig. 2 is the vertical cross section of the two-sided fixed structure of device on the utility model embodiment circuit board.
Fig. 3 is the vertical cross section of the two-sided fixed structure of device on the utility model difference embodiment circuit board.
Fig. 4 is the two-sided fixed method flow diagram of device on the utility model embodiment circuit board.
【The utility model embodiment main element symbol description in attached drawing】
10- circuit boards；
101- pads；
20- connecting poles；
201- first ends；201- second ends；
30- devices；
40- screws；
50- gaskets.
Specific implementation mode
The utility model provides the two-sided fixed structure of device on circuit board.To make the purpose of this utility model, technology
Scheme and advantage are more clearly understood, below in conjunction with specific embodiment, and with reference to attached drawing, further specifically to the utility model
It is bright.
The utility model some embodiments will be done with reference to appended attached drawing in rear and more comprehensively describe to property, some of but simultaneously
Not all embodiment will be shown.In fact, the various embodiments of the utility model can be realized in many different forms, without
It should be construed as limited to this several illustrated embodiment；Relatively, it theses embodiments are provided so that the utility model meets to be applicable in
Legal requirement.
In first exemplary embodiment of the utility model, a kind of two-sided fixation of device 30 on circuit board is provided
Structure, the device can be computing module, hard disk, video card, power supply etc..Fig. 1 is the utility model first embodiment circuit board
The schematic diagram of the two-sided fixed structure of upper device.Fig. 2 is the two-sided fixed structure of device on the utility model embodiment circuit board
Vertical cross section.As shown in Figure 1 and Figure 2, on the utility model circuit board device two-sided fixed structure, including：
At least one pad 101, the pad are set on 10 second face of circuit board；101 surface of the pad is provided with
Steel mesh, for solder(ing) paste to be arranged；
At least one connecting pole 20, the connecting pole 20 passes through the mounting hole of circuit board 10, for being connected and fixed circuit board
The device 30 on two sides, the connecting pole 20 include：
First end 201, the first end 201 have the first cylindrical structure, first cylindrical structure and circuit board
The device 30 in 10 first faces connects；The inside of the pair of connecting pole 20, which has, is arranged threaded through hole, passes through three combinations
Screw is connect with device 30, and three combined screw is the screw containing plain cushion, spring washer, prevents screw thread from loosening；
Second end 202, the second end 202 includes flange arrangement and the second cylindrical structure, described in the flange arrangement
The outer diameter of flange arrangement is more than the diameter of mounting hole on circuit board 10, and is welded on 10 second face of circuit board by pad 101,
Second cylindrical structure is connect with the device 30 in the second face of circuit board；The second cylindrical cylindrical knot of the connecting pole 20
The diameter of structure is 1: 3~1: 2 with the ratio range of flange arrangement diameter；The second cylindrical cylindrical structure of the connecting pole 20
Diameter it is identical as the diameter of the first cylindrical structure.The cross sectional shape of 202 flange arrangement of the second end is circular ring shape；It is described
The shape of pad 101 be and the corresponding shape of flange arrangement.
In the present embodiment, the two-sided fixed device of circuit board is identical computing module, and the connecting pole 20 is welded to electricity
After road plate 10, the top surface of the distance and second end 202 of the top surface of 20 first end 201 of the connecting pole to 10 first face of circuit board is arrived
The distance in 10 second face of circuit board is identical.
The material of the connecting pole 20 uses copper, aluminium or stainless steel.
The size and scale parameter of the connecting pole are customized according to the size of device 30, and the customization procedure is using real
Border device 30 carries out vibration test, and to the actual conditions in the work of analog device 30 and transportational process, structure is fixed can
It is tested by property, and the size and scale parameter analysis and regulation to connecting pole is carried out according to obtained reliability data.
In the present embodiment, the connection bore dia of device 30 is less than the outer circumference diameter of connecting pole 20, and the device 30 is direct
It is fixedly connected on the circuit board 10 by connecting pole 20；In different embodiments, the periphery of the connecting pole 20, device 30 and electricity
Gasket 50 is additionally provided between road plate 10, Fig. 3 is the two-sided fixed structure of device on the utility model difference embodiment circuit board
Vertical cross section, as shown in figure 3, the gasket 50 can further provide for device vibration when cushioning supportive.
The utility model makes pad by the position that will be used to fix two connecting poles on current plate, and according to the big of device
The cylindrical connecting pole of customization, is finally welded on circuit board, and ensure to customize by the small flanged (FLGD) cylindrical connecting pole of customization
The distance of the top surface of connecting pole to the top surface of circuit board and bottom surface is identical, to which lower surface provides identical device on circuit boards
Part installation space.The fixed structure of the utility model reduces installation procedure, improves work efficiency, and ensure that device and meter
Calculate the reliability in equipment work and transportational process.
Certainly, above-mentioned hardware configuration should include also other function modules, these are those skilled in the art
It should be understood that those skilled in the art in the art can also add corresponding function module, herein not according to the needs of function
It repeats.
So far, the two-sided fixed structure introduction of device 30 finishes on the utility model first embodiment circuit board.
In second exemplary embodiment of the utility model, a kind of the two-sided fixed of device on circuit board is provided
Method.Fig. 4 is the two-sided fixed method flow diagram of device on the utility model embodiment circuit board, as shown in figure 4, this practicality
The two-sided fixed method of device includes on Novel circuit board：
Step S0 tests according to the size of device 30 to be installed and determines connection column dimension, customize connecting pole, and in circuit
The pad of respective shapes is set on plate；
Step S1 makes steel mesh, in the placement of connecting pole 20, reserves solder(ing) paste position, recycles steel mesh, on circuit boards
The position for being welded to connect column 20 is needed to scrape one layer of solder(ing) paste.
Connecting pole 20 and other peripheral components of board top surface are placed into corresponding position by step S2.
Whole circuit board 10 is sent into soldering furnace by step S3 by conveyer belt, carries out high-temperature soldering.
Circuit board 10 is taken out and is cooled down by step S4, and so far, 10 top surface of circuit board customizes connecting pole welding and completes, for electricity
The welding method of 10 bottom surface of road plate, which repeats the above steps, completes welding, and the connecting pole on 10 two sides of circuit board is connected with device 30
It connects.
The step S0 includes：According to the size of device 30 to be installed, tests and determines connection column dimension, customize connecting pole,
The customization procedure is using the progress vibration test of practical devices 30, the actual conditions in the work of analog device 30 and transportational process,
And fixed structure reliability test is carried out, according to obtained reliability data to carry out analysis and regulation, and set on circuit boards
Set the pad of respective shapes.
The step S4 includes：The connecting pole 20 is connected through a screw thread with device 30；Described be threadedly coupled uses three groups
Screw is closed as fixed mediums, three combined screw is the screw containing plain cushion, spring washer, has and buffers and prevent screw from loosening
Effect.
In order to achieve the purpose that brief description, in above-described embodiment 1, any technical characteristic narration for making same application is all
And in this, without repeating identical narration.
Certainly, according to actual needs, the preparation method of the utility model display device also includes other techniques and step,
Since the innovation of same the utility model is unrelated, details are not described herein again.
So far, the two-sided fixed method introduction of device finishes on the utility model second embodiment circuit board.
So far, attached drawing is had been combined the utility model embodiment is described in detail.It should be noted that in attached drawing
Or in specification text, the realization method for not being painted or describing is shape known to a person of ordinary skill in the art in technical field
Formula is not described in detail.In addition, the above-mentioned definition to each element and method be not limited in mentioning in embodiment it is various
Concrete structure, shape or mode, those of ordinary skill in the art simply can be changed or replaced to it.
It should also be noted that, the direction term mentioned in embodiment, for example, "upper", "lower", "front", "rear", " left side ",
" right side " etc. is only the direction of refer to the attached drawing, is not used for limiting the scope of protection of the utility model.Through attached drawing, identical member
Element is indicated by same or similar reference numeral.When that may cause to cause to obscure to the understanding of the utility model, will omit
Conventional structure or construction.
And the shape and size of each component do not reflect actual size and ratio in figure, and only the utility model are illustrated to implement
The content of example.In addition, in the claims, any reference mark between bracket should not be configured to claim
Limitation.
It unless there are known entitled phase otherwise anticipates, the numerical parameter in this specification and appended claims is approximation, energy
Enough required characteristic changings according to as obtained by the content of the utility model.Specifically, all be used in specification and right
The number of content, reaction condition of composition etc. is indicated in it is required that, it is thus understood that be the term by " about " in all situations
It is modified.Under normal circumstances, express meaning refer to comprising by specific quantity ± 10% variation in some embodiments,
± 5% variation in some embodiments, ± 1% variation in some embodiments, in some embodiments ± 0.5% change
Change.
Furthermore word "comprising" does not exclude the presence of element or step not listed in the claims.Before element
Word "a" or "an" does not exclude the presence of multiple such elements.
The word of specification and ordinal number such as " first ", " second ", " third " etc. used in claim, with modification
Corresponding element, itself is not meant to that the element has any ordinal number, does not also represent the suitable of a certain element and another element
Sequence in sequence or manufacturing method, the use of those ordinal numbers are only used for enabling the element with certain name and another tool
There is the element of identical name that can make clear differentiation.
In addition, unless specifically described or the step of must sequentially occur, there is no restriction in the above institute for the sequence of above-mentioned steps
Row, and can change or rearrange according to required design.And above-described embodiment can be based on the considerations of design and reliability, that
This mix and match is used using or with other embodiment mix and match, i.e., the technical characteristic in different embodiments can be freely combined
Form more embodiments.
Those skilled in the art, which are appreciated that, to carry out adaptively the module in the equipment in embodiment
Change and they are arranged in the one or more equipment different from the embodiment.It can be the module or list in embodiment
Member or component be combined into a module or unit or component, and can be divided into addition multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it may be used any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification (including adjoint power
Profit requires, abstract and attached drawing) disclosed in each feature can be by providing the alternative features of identical, equivalent or similar purpose come generation
It replaces.Also, in the unit claims listing several devices, several in these devices can be by same hard
Part item embodies.
Similarly, it should be understood that in order to simplify the utility model and help to understand one or more in each open aspect
It is a, above in the description of the exemplary embodiment of the utility model, each feature of the utility model is divided together sometimes
In group to single embodiment, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following meaning
Figure：The requires of the utility model features more more than the feature being expressly recited in each claim i.e. claimed.
More precisely, as reflected in the following claims, open aspect is to be less than single implementation disclosed above
All features of example.Therefore, it then follows thus claims of specific implementation mode are expressly incorporated in the specific implementation mode,
In each separate embodiments of the claim as the utility model itself.
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, is not limited to this
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (9)
1. the two-sided fixed structure of device on a kind of circuit board, including：
At least one pad (101), the pad are set on (10) second face of circuit board；
At least one connecting pole (20), the connecting pole (20) passes through the mounting hole of circuit board (10), for being connected and fixed circuit
The device (30) on plate two sides, the connecting pole (20) include：
There is the first cylindrical structure, first cylindrical structure to pass through circuit for first end (201), the first end (201)
The mounting hole of plate (10), first cylindrical structure are connect with the device (30) in (10) first face of circuit board；
Second end (202), the second end (202) include flange arrangement and the second cylindrical structure, the flange arrangement it is outer
Diameter is more than the diameter of mounting hole on circuit board (10), and is welded on (10) second face of circuit board by pad (101), and described the
Two cylindrical structures are connect with the device (30) in the second face of circuit board.
2. two-sided fixed structure according to claim 1, wherein the inside of the connecting pole (20), which has, is provided with screw thread
Through hole, connect with device (30) by three combined screws, three combined screw contains plain cushion or spring washer.
3. according to the two-sided fixed structure of claim 1 to 2 any one of them, wherein the connecting pole (20) is welded to circuit
After plate (10), distance and the second end (202) of the top surface of connecting pole (20) first end (201) to (10) first face of circuit board
Top surface to (10) second face of circuit board distance it is identical.
4. according to the two-sided fixed structure of claim 1 to 2 any one of them, pad (101) surface is provided with steel mesh, uses
In setting solder(ing) paste.
5. according to the two-sided fixed structure of claim 1 to 2 any one of them, wherein
The diameter of second cylindrical structure of connecting pole (20) cylinder is 1 with the ratio range of flange arrangement diameter:2~
1:3；
The diameter of second cylindrical structure of connecting pole (20) cylinder is identical as the diameter of the first cylindrical structure.
6. two-sided fixed structure according to claim 1, wherein the cross sectional shape of second end (202) flange arrangement
For circular ring shape；The shape of the pad (101) be and the corresponding shape of flange arrangement.
7. two-sided fixed structure according to claim 1, wherein the material of the connecting pole (20) is using copper, aluminium or not
Become rusty steel.
8. two-sided fixed structure according to claim 1, wherein periphery, device (30) and the electricity of the connecting pole (20)
Gasket (50) is provided between road plate (10).
9. two-sided fixed structure according to claim 1, wherein the device (30) be computing module, hard disk, video card or
At least one of power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920893.7U CN207897223U (en) | 2017-12-29 | 2017-12-29 | Double-side fixing structure of device on circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920893.7U CN207897223U (en) | 2017-12-29 | 2017-12-29 | Double-side fixing structure of device on circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207897223U true CN207897223U (en) | 2018-09-21 |
Family
ID=63550726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920893.7U Active CN207897223U (en) | 2017-12-29 | 2017-12-29 | Double-side fixing structure of device on circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207897223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379843A (en) * | 2018-12-10 | 2019-02-22 | 浪潮(北京)电子信息产业有限公司 | A kind of power equipment and its circuit device based on SMT |
| CN111465216A (en) * | 2020-05-12 | 2020-07-28 | 深圳市华星光电半导体显示技术有限公司 | Steel mesh for surface mounting and surface mounting method |
-
2017
- 2017-12-29 CN CN201721920893.7U patent/CN207897223U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379843A (en) * | 2018-12-10 | 2019-02-22 | 浪潮(北京)电子信息产业有限公司 | A kind of power equipment and its circuit device based on SMT |
| CN111465216A (en) * | 2020-05-12 | 2020-07-28 | 深圳市华星光电半导体显示技术有限公司 | Steel mesh for surface mounting and surface mounting method |
| CN111465216B (en) * | 2020-05-12 | 2021-07-06 | 深圳市华星光电半导体显示技术有限公司 | Steel mesh for surface mounting and surface mounting method |
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