CN108684135B - Circuit board nut reinforcing apparatus - Google Patents
Circuit board nut reinforcing apparatus Download PDFInfo
- Publication number
- CN108684135B CN108684135B CN201810480736.1A CN201810480736A CN108684135B CN 108684135 B CN108684135 B CN 108684135B CN 201810480736 A CN201810480736 A CN 201810480736A CN 108684135 B CN108684135 B CN 108684135B
- Authority
- CN
- China
- Prior art keywords
- hole
- nut
- circuit board
- drop
- spring
- 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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Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims 2
- 238000003466 welding Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000007774 longterm Effects 0.000 description 4
- 239000006071 cream Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/38—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt with a second part of the screw-thread which may be resiliently mounted
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10333—Individual female type metallic connector elements
Abstract
The invention discloses a circuit board nut reinforcing device, which comprises a circuit board and a nut, wherein the nut is connected with the circuit board; the positioning column is additionally arranged at the lower end of the nut, the positioning hole is formed in the circuit board, the position of the nut can be fixed through the matching of the positioning column and the positioning hole, the nut cannot deviate in the welding process, the accuracy of the welding position of the nut is guaranteed, the problem that the nut cannot be used due to sliding with the circuit board when the nut is not welded at present is solved, re-welding is avoided, the welding quality is improved, maintenance cost and manpower are saved, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a nut reinforcing device for a circuit board.
Background
The application of the nut on the circuit board is very common at present, when the nut is assembled, the part is fixed in a screw and nut matching mode, the positioning of the nut on the circuit board is very important, and if the nut is not accurately positioned, the part corresponding to the nut cannot be accurately fixed.
The problem of welding skew exists in the nut on the present circuit board, and because the molten tin cream leads to frictional force between nut and the circuit board less in welding process, the nut can take place slight slip when the welding, and the nut offset will lead to unable and connecting piece to cooperate, welds again not only extravagant cost but also extravagant manpower to the nut.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the circuit board nut reinforcing device, the positioning column is additionally arranged at the lower end of the nut, the positioning hole is formed in the circuit board, the position of the nut can be fixed through the matching of the positioning column and the positioning hole, the nut cannot deviate in the welding process, the accuracy of the welding position of the nut is ensured, the problem that the nut cannot be used due to sliding with the circuit board when the nut is not welded at present is solved, the re-welding is avoided, the welding quality is improved, the maintenance cost and the labor force are saved, and the cost is reduced.
The technical scheme for solving the technical problem is as follows:
the circuit board nut reinforcing device is characterized in that a positioning column is arranged at the lower end of the nut, a positioning hole is formed in a circuit board, the positioning column is matched with the positioning hole, and the lower end face of the nut is connected with the circuit board through tin soldering.
The inner wall of locating hole is equipped with anticreep groove, be equipped with the anticreep hole on the lateral wall of reference column, the anticreep is downthehole to be equipped with the anticreep piece, anticreep piece and anticreep groove cooperation.
The number of the anti-falling grooves is one or more, and the number of the anti-falling blocks corresponds to that of the anti-falling grooves.
The anticreep hole is the blind hole, be equipped with spring one between the bottom surface in anticreep piece and anticreep hole, the one end in spring one is connected with the bottom surface in anticreep hole, and the other end and the anticreep piece of spring one are connected, and spring one is under natural state, and the outside in anticreep hole is located to the outer terminal surface of anticreep piece, and when reference column and locating hole cooperate, anticreep piece and anticreep groove cooperation.
The outer end face of the anti-falling block is of an inclined structure.
The anticreep hole is the through-hole, and two tip in the anticreep hole all are equipped with interior hem, the quantity of anticreep piece is two, is equipped with spring two between two anticreep pieces, and the anticreep piece includes slider, inserted block, slider and the cooperation of anticreep downthehole wall, the lateral wall and the interior hem cooperation of inserted block, the one end and the inserted block of slider are connected, and the other end and the spring two of slider are connected, and the outside in anticreep hole is located to the one end of inserted block, and when reference column and locating hole cooperate, the inserted block and anticreep groove cooperation.
And one end of the sliding block is provided with a spring groove, and the end part of the second spring is connected with the bottom surface of the spring groove.
The outer end face of the insert block is of an inclined structure.
The invention has the beneficial effects that:
1. according to the invention, the positioning column is additionally arranged at the lower end of the nut, the positioning hole is formed in the circuit board, the position of the nut can be fixed through the matching of the positioning column and the positioning hole, the nut cannot deviate in the welding process, the accuracy of the welding position of the nut is ensured, the problem that the nut cannot be used due to sliding with the circuit board when the nut is not welded at present is solved, the re-welding is avoided, the welding quality is improved, meanwhile, the maintenance cost and manpower are saved, and the cost is reduced.
2. According to the invention, the anti-falling groove is formed in the inner wall of the positioning hole, the anti-falling block is arranged on the side wall of the positioning column, and the anti-falling block is matched with the anti-falling groove, so that the positioning column can be prevented from rotating in the positioning hole after the nut is stressed after long-term use, the torque borne by the joint of the nut and the circuit board can be increased, the connection firmness is ensured, meanwhile, the problem that the positioning column is separated from the positioning hole after the nut is stressed for a long time can be avoided, and the connection reliability of the nut and the circuit.
3. According to the invention, the anti-drop blocks and the anti-drop grooves are arranged in a plurality of numbers, so that the connection firmness can be increased.
4. According to the invention, the anti-drop holes are set as blind holes, the anti-drop block is arranged in one anti-drop hole and connected through the first spring, so that the stability of connection and matching is ensured, the first spring can automatically extrude and fix the anti-drop block, the matching firmness of the anti-drop block and the anti-drop groove is ensured, and the use is more convenient.
5. According to the invention, the outer end face of the anti-falling block is arranged to be of an inclined structure, when the positioning column is matched with the positioning hole, the anti-falling block can be automatically pressed into the anti-falling hole, the positioning column is ensured to be smoothly inserted into the positioning hole, the trouble of manually extruding the anti-falling block is avoided, the time is saved, and the working efficiency is improved.
6. According to the invention, the anti-drop holes are arranged as the through holes, two anti-drop blocks can be arranged in one anti-drop hole, the number of holes is reduced, the processing is convenient, the inner folded edge is arranged at the end part of the anti-drop hole, the sliding block can be blocked, the anti-drop blocks can be prevented from falling from the anti-drop holes in the taking process, and the use is more convenient and rapid.
7. According to the invention, the outer end face of the insertion block is arranged to be the inclined face, when the positioning column is matched with the positioning hole, the anti-falling block can be automatically pressed into the anti-falling hole, the positioning column is ensured to be smoothly inserted into the positioning hole, the trouble of manually extruding the anti-falling block is avoided, the time is saved, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a circuit board;
FIG. 3 is a schematic structural view of a nut according to the first embodiment;
FIG. 4 is a schematic view of an assembly structure according to the first embodiment;
FIG. 5 is a schematic structural view of a nut according to a second embodiment;
FIG. 6 is a schematic view of the anti-separation block structure according to the second embodiment;
fig. 7 is an assembly structure diagram of the second embodiment.
In the figure, 1-circuit board; 101-a positioning hole; 102-anti-drop groove; 2-a nut; 3-a positioning column; 301-anti-drop hole; 302-inner folding; 4-anti-drop block; 5, a first spring; 6-a slide block; 601-spring groove; 7-inserting blocks; and 8-spring II.
Detailed Description
For a better understanding of the present invention, embodiments thereof are explained in detail below with reference to the accompanying drawings.
In the first embodiment, the first step is,
as shown in fig. 1, the circuit board nut reinforcing device comprises a circuit board 1 and a nut 2, wherein the nut 2 is connected with the circuit board 1, a positioning column 3 is arranged at the lower end of the nut 2, a positioning hole 101 is formed in the circuit board 1, the positioning column 3 is matched with the positioning hole 101, the lower end face of the nut 2 is connected with the circuit board 1 through tin soldering, in order to prevent the positioning column 3 from rotating in the positioning hole 101 and causing infirm welding, the positioning column 3 is designed to be of a prism structure, and the shape of the positioning hole 101 is matched with that of the positioning column 3.
In order to avoid long-term use and looseness of a welding part, the positioning column 3 falls off from the positioning hole 101, as shown in fig. 2, anti-falling grooves 102 are formed in the inner wall of the positioning hole 101, the number of the anti-falling grooves 102 is one or more, anti-falling holes 301 are formed in the side wall of the positioning column 3, the number of the anti-falling holes 301 corresponds to that of the anti-falling grooves 102, anti-falling blocks 4 are arranged in the anti-falling holes 301, and the anti-falling blocks 4 are matched with the anti-falling grooves 102.
As shown in fig. 3, the anti-drop hole 301 is designed as a blind hole, a first spring 5 is arranged between the anti-drop block 4 and the bottom surface of the anti-drop hole 301, one end of the first spring 5 is connected with the bottom surface of the anti-drop hole 301, the other end of the first spring 5 is connected with the anti-drop block 4, the first spring 5 is in a natural state, the outer end surface of the anti-drop block 4 is arranged outside the anti-drop hole 301, in order to make the positioning column 3 more convenient to be matched with the positioning hole 101, the outer end surface of the anti-drop block 4 is set to be an inclined structure, the lower end of the inclined plane is aligned with the end of the anti-drop hole 301, a certain distance is arranged between the upper end of the inclined plane and the anti-drop.
As shown in fig. 4, during the use, insert reference column 3 in the locating hole 101, anticreep piece 4 receives the extrusion and can contracts to anticreep hole 301 in, then rotate nut 2, make anticreep piece 4 correspond with anticreep groove 102 position, anticreep piece 4 is in anticreep groove 102 by the bullet under the effect of spring 5, anticreep piece 4 locks reference column 3's position with anticreep groove 102 cooperation, carry out the soldering with circuit board 1 and nut 2's lower terminal surface at last and be connected, when the tin cream does not solidify with the welding completion back in welding process like this, avoided nut 2 to take place the skew that slides and lead to the position, the accuracy of nut 2 fixed position has been guaranteed, anticreep piece 4 has also avoided taking place to rotate or break away from between long-term use reference column 3 and locating hole 101 simultaneously, the fastness of connection has been guaranteed.
In the second embodiment, the first embodiment of the method,
this embodiment is compared with the embodiment except that the retaining block 4 is different from the retaining hole 301.
As shown in fig. 5, the anti-slip hole 301 is a through hole, the number of the anti-slip grooves 102 is two, the two end portions of the anti-slip hole 301 are provided with the inner folded edge 302, the number of the anti-slip blocks 4 is two, a spring two 8 is arranged between the two anti-slip blocks 4, as shown in fig. 6, the anti-slip block 4 comprises a slider 6 and an insert block 7, the slider 6 is matched with the inner wall of the anti-slip hole 301, the side wall of the insert block 7 is matched with the inner folded edge 302, one end of the slider 6 is connected with the insert block 7, the other end of the slider 6 is provided with a spring groove 601, the end portion of the spring two 8 is arranged in the spring groove 601 and connected with the bottom surface of the spring groove 601, the spring groove 601 can avoid bending of the joint, the connection firmness is ensured, one end of the insert block 7 is arranged outside the anti-slip hole 301, one side of the slider 6 is connected with the inner wall of, in order to increase the convenience of use, the outer end face of the insertion block 7 is made to be an inclined structure, the lower end of the inclined face is aligned with the end part of the anti-falling hole 301, and a certain distance is arranged between the upper end of the inclined face and the anti-falling hole 301, so that the insertion block 7 is automatically pressed into the anti-falling hole 301 when the positioning column 3 is matched with the positioning hole 101.
As shown in fig. 7, in use, the positioning column 3 is inserted into the positioning hole 101, the insertion blocks 7 at two ends are squeezed to be contracted into the anti-falling holes 301, then the nut 2 is rotated to enable the insertion blocks 7 to correspond to the anti-falling grooves 102, the insertion blocks 7 are bounced into the anti-falling grooves 102 under the action of the springs II 8, the insertion blocks 7 are matched with the anti-falling grooves 102 to lock the position of the positioning column 3, and finally the circuit board 1 is connected with the lower end face of the nut 2 in a soldering mode, so that when tin paste is not solidified after welding and welding are completed in the welding process, the phenomenon that the nut 2 slides to cause position deviation is avoided, the accuracy of the fixed position of the nut 2 is guaranteed, meanwhile, the anti-falling blocks 4 are prevented from rotating or being separated from the positioning column 3 and the positioning hole 101 in long-term use, and the.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and these embodiments are encompassed by the appended claims.
Claims (3)
1. A circuit board nut reinforcing device comprises a circuit board and a nut, wherein the nut is connected with the circuit board, and the circuit board nut reinforcing device is characterized in that a positioning column is arranged at the lower end of the nut, a positioning hole is formed in a circuit board, the positioning column is matched with the positioning hole, the lower end face of the nut is connected with the circuit board through tin soldering, an anti-falling groove is formed in the inner wall of the positioning hole, an anti-falling hole is formed in the side wall of the positioning column, anti-falling blocks are arranged in the anti-falling hole and matched with the anti-falling groove, the number of the anti-falling grooves is one or more, and the number of the anti;
the anti-drop hole is a blind hole, the outer end face of the anti-drop block is of an inclined structure, a first spring is arranged between the anti-drop block and the bottom face of the anti-drop hole, one end of the first spring is connected with the bottom face of the anti-drop hole, the other end of the first spring is connected with the anti-drop block, the outer end face of the anti-drop block is arranged outside the anti-drop hole when the first spring is in a natural state, and the anti-drop block is matched with the anti-drop groove when the positioning column is matched with the;
or the anticreep hole is the through-hole, and two tip in the anticreep hole all are equipped with interior hem, the quantity of anticreep piece is two, is equipped with spring two between two anticreep pieces, and the anticreep piece includes slider, inserted block, slider and the cooperation of anticreep downthehole wall, the lateral wall and the interior hem cooperation of inserted block, the one end and the inserted block of slider are connected, and the other end and the spring two of slider are connected, and the outside in anticreep hole is located to the one end of inserted block, and when reference column and locating hole cooperate, the inserted block and the cooperation of anticreep groove.
2. The circuit board nut reinforcement device of claim 1, wherein one end of the sliding block is provided with a spring slot, and the end of the second spring is connected with the bottom surface of the spring slot.
3. The circuit board nut reinforcement device of claim 1, wherein the outer end surface of the insert block is of an inclined structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480736.1A CN108684135B (en) | 2018-05-18 | 2018-05-18 | Circuit board nut reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480736.1A CN108684135B (en) | 2018-05-18 | 2018-05-18 | Circuit board nut reinforcing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108684135A CN108684135A (en) | 2018-10-19 |
| CN108684135B true CN108684135B (en) | 2020-02-07 |
Family
ID=63806718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810480736.1A Active CN108684135B (en) | 2018-05-18 | 2018-05-18 | Circuit board nut reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108684135B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044538Y (en) * | 2007-03-30 | 2008-04-02 | 艾默生网络能源有限公司 | Knurled screw printed circuit board mounting structure |
| CN201270622Y (en) * | 2008-09-24 | 2009-07-08 | 比亚迪股份有限公司 | A circuit board |
| JP2010045324A (en) * | 2008-06-23 | 2010-02-25 | Denso Corp | Electronic circuit board and electronic control device |
| CN206988271U (en) * | 2017-06-27 | 2018-02-09 | 湖北海濎机电科技有限公司 | A kind of Anti-off bolt |
-
2018
- 2018-05-18 CN CN201810480736.1A patent/CN108684135B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044538Y (en) * | 2007-03-30 | 2008-04-02 | 艾默生网络能源有限公司 | Knurled screw printed circuit board mounting structure |
| JP2010045324A (en) * | 2008-06-23 | 2010-02-25 | Denso Corp | Electronic circuit board and electronic control device |
| CN201270622Y (en) * | 2008-09-24 | 2009-07-08 | 比亚迪股份有限公司 | A circuit board |
| CN206988271U (en) * | 2017-06-27 | 2018-02-09 | 湖北海濎机电科技有限公司 | A kind of Anti-off bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108684135A (en) | 2018-10-19 |
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