CN203378170U - A circuit board fixing apparatus - Google Patents
A circuit board fixing apparatus Download PDFInfo
- Publication number
- CN203378170U CN203378170U CN201320430448.8U CN201320430448U CN203378170U CN 203378170 U CN203378170 U CN 203378170U CN 201320430448 U CN201320430448 U CN 201320430448U CN 203378170 U CN203378170 U CN 203378170U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- fixing
- support column
- board
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model discloses a circuit board fixing apparatus. The circuit board fixing apparatus comprises a main fixing board, a circuit board, through holes, a bottom board, supporting columns, screw holes, external thread, sleeves, unthreaded holes, threaded holes, and fixing rivets. The circuit board is fixed on the top surface of the bottom board through the fixing rivets. Three axial opening cutting marks are disposed on the top of each fixing rivet. A groove is disposed at the joint of the head portion and the pipe portion of each fixing rivet. The bottom board is arranged at the lowest part of the circuit board fixing apparatus. The supporting columns are disposed on the bottom board. The bottoms of the supporting columns are connected with the bottom board. The tops of the supporting columns are connected with the sleeves. The sleeves are disposed on the supporting column. The screw holes are disposed in the sleeves. The unthreaded holes are disposed over the screw holes. The main fixing board is arranged on the two sides of the bottom board. The through holes are disposed on the four corners of the circuit board. The fixing rivets can be used repeatedly so that material cost is decreased. The grooves on fixing rivets reduce the internal stress of the head portions of the fixing rivets.
Description
Technical field
The utility model belongs to circuit board technique for fixing field, relates in particular to a kind of fixture of circuit board.
Background technology
Circuit board is fixing at present, some removable support columns normally are set on computer case, lock again these support columns through the corresponding through hole of circuit board respectively by some bolts again, thereby circuit board is fixed on these support columns, for the circuit board of different-thickness, for a side of the installing electronic building brick that guarantees circuit board is positioned at sustained height, need to design the support column of differing heights, fixing with the circuit board that coordinates different-thickness, cost is higher.
The utility model content
The purpose of this utility model is to provide a kind of fixture of circuit board, is intended to solve the existing fixture that coordinates the circuit board of different-thickness, the problem that cost is higher.
The utility model is achieved in that a kind of fixture of circuit board, and the fixture of this circuit board comprises: main fixed head, circuit board, through hole, base plate, support column, screw, external screw thread, sleeve, unthreaded hole, screwed hole, fixing rivet;
Circuit board by fixing rivet be fixed on base plate above, the top of fixing rivet is provided with three pairs of axially open cut channels, the place be connected with pipe section at the head of fixing rivet is provided with a circle groove, base plate is arranged on circuit board fixing device bottom;
Support column is arranged on base plate, the bottom connecting bottom board of support column, the upper connecting sleeve cylinder of support column, sleeve is arranged on support column, and the inside of sleeve is provided with screw, is provided with unthreaded hole above screw, the both sides of base plate are provided with main fixed head, and four angles of circuit board are provided with through hole.
Further, the bottom of support column is by the screw connecting bottom board.
Further, the top of support column is by the external screw thread branch sleeve.
The fixture of the circuit board that the utility model provides, fixing rivet is set to special-purpose rivet, in the circuit board mounting or dismounting, can back and forth use, be conducive to reduce material cost, the place be connected with pipe section at the head of fixing rivet 6 is provided with a circle groove, be conducive to reduce the internal stress of the head of fixing rivet 6, prevent rupture failure; Sleeve be arranged so that only need change sleeve in when mounting or dismounting need not change support column, is conducive to save material; Arranging of support column adopts alloy in lightweight to make, and not only alleviated weight but also saved material, is conducive to reduce costs.In addition, the utility model is simple in structure, easy to operate, and cost of manufacture is low, is beneficial to the fixing of circuit board and is lowered into the product cost.
The accompanying drawing explanation
Fig. 1 is the structural representation of the fixture of the circuit board that provides of the utility model embodiment;
Fig. 2 is the structural representation of the sleeve that provides of the utility model embodiment;
Fig. 3 is the structural representation of the fixing rivet that provides of the utility model embodiment;
In figure: 1, main fixed head; 2, circuit board; 2-1, through hole; 3, base plate; 4, support column; 4-1, screw; 4-2, external screw thread; 5, sleeve; 5-1, unthreaded hole; 5-2, screwed hole; 6, fixing rivet.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1-Fig. 3 shows the fixture structure of the circuit board that the utility model embodiment provides.For convenience of explanation, only show the part relevant to the utility model.
The fixture of circuit board of the present utility model, the fixture of this circuit board comprises: main fixed head, circuit board, through hole, base plate, support column, screw, external screw thread, sleeve, unthreaded hole, screwed hole, fixing rivet;
Circuit board by fixing rivet be fixed on base plate above, the top of fixing rivet is provided with three pairs of axially open cut channels, the place be connected with pipe section at the head of fixing rivet is provided with a circle groove, base plate is arranged on circuit board fixing device bottom;
Support column is arranged on base plate, the bottom connecting bottom board of support column, the upper connecting sleeve cylinder of support column, sleeve is arranged on support column, and the inside of sleeve is provided with screw, is provided with unthreaded hole above screw, the both sides of base plate are provided with main fixed head, and four angles of circuit board are provided with through hole.
As the prioritization scheme of the utility model embodiment, the bottom of support column is by the screw connecting bottom board.
As the prioritization scheme of the utility model embodiment, the top of support column is by the external screw thread branch sleeve.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As shown in Figure 1-Figure 3, the fixture of the circuit board of the utility model embodiment mainly is comprised of main fixed head 1, circuit board 2, through hole 2-1, base plate 3, support column 4, screw 4-1, external screw thread 4-2, sleeve 5, unthreaded hole 5-1, screwed hole 5-2, fixing rivet 6; Base plate 3 is arranged on circuit board fixation structure bottom; Support column 4 is arranged on base plate 3; The bottom of support column 4 is connected with base plate 3 by screw 4-1; The top of support column 4 is connected with sleeve 5 by external screw thread 4-2; Sleeve 5 is arranged on support column 4; The inside of sleeve 5 is provided with screw 4-1, is provided with unthreaded hole 5-1 above screw 4-1; Circuit board 2 be fixed rivet 6 be fixed on base plate 3 above; The both sides of base plate 3 are provided with main fixed head 1; Four angles of circuit board 2 are provided with through hole 2-1; Sleeve 5 carries out corresponding parameter designing according to the thickness of circuit board 2, only need change sleeve during mounting or dismounting and need not change support column 4, is conducive to save material; Support column 4 adopts alloy in lightweight to make, and has not only alleviated weight but also saved material, is conducive to reduce costs; The metals such as fixing rivet 6 employing brass are made, be provided with three pairs of axially open cut channels at the top of fixing rivet 6, make circuit board 2 avoid impacting fixedly the time and scrap, the place be connected with pipe section at the head of fixing rivet 6 is provided with a circle groove, be conducive to reduce the internal stress of the head of fixing rivet 6, prevent rupture failure.
Using method of the present utility model is:
When the circuit board 2 of different-thickness is installed, the sleeve 5 of the differing heights that the user coordinates with circuit board 2 according to the Thickness Design of circuit board 2, while changing circuit board, these fixing rivets 6 and this circuit board 2 are pulled down, and these sleeves 5 are replaced to the sleeve 5 corresponding with the circuit board 2 that will install, on the sleeve 5 that the circuit board 2 that by fixing rivet 6, this will be installed again is fixed in these after replacing, with a side of the installing electronic building brick that guarantees various boards 2, be positioned at sustained height.In the present embodiment, for the circuit board 2 of different-thickness, only need to replace the sleeve 5 of differing heights, and needn't replace support column 4, due to sleeve 5 small volumes, simple in structure, it is convenient to replace and is cost-saving.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (3)
1. the fixture of a circuit board, is characterized in that, the fixture of this circuit board comprises: main fixed head, circuit board, through hole, base plate, support column, screw, external screw thread, sleeve, unthreaded hole, screwed hole, fixing rivet;
Circuit board by fixing rivet be fixed on base plate above, the top of fixing rivet is provided with three pairs of axially open cut channels, the place be connected with pipe section at the head of fixing rivet is provided with a circle groove, base plate is arranged on circuit board fixing device bottom;
Support column is arranged on base plate, the bottom connecting bottom board of support column, the upper connecting sleeve cylinder of support column, sleeve is arranged on support column, and the inside of sleeve is provided with screw, is provided with unthreaded hole above screw, the both sides of base plate are provided with main fixed head, and four angles of circuit board are provided with through hole.
2. the fixture of circuit board as claimed in claim 1, is characterized in that, the bottom of support column is by the screw connecting bottom board.
3. the fixture of circuit board as claimed in claim 1, is characterized in that, the top of support column is by the external screw thread branch sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430448.8U CN203378170U (en) | 2013-07-19 | 2013-07-19 | A circuit board fixing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430448.8U CN203378170U (en) | 2013-07-19 | 2013-07-19 | A circuit board fixing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203378170U true CN203378170U (en) | 2014-01-01 |
Family
ID=49840669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320430448.8U Expired - Fee Related CN203378170U (en) | 2013-07-19 | 2013-07-19 | A circuit board fixing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203378170U (en) |
-
2013
- 2013-07-19 CN CN201320430448.8U patent/CN203378170U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20170719 |