CN109862696B - Circuit board fixing device capable of preventing desoldering and convenient to detach and install - Google Patents
Circuit board fixing device capable of preventing desoldering and convenient to detach and install Download PDFInfo
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- CN109862696B CN109862696B CN201910191317.0A CN201910191317A CN109862696B CN 109862696 B CN109862696 B CN 109862696B CN 201910191317 A CN201910191317 A CN 201910191317A CN 109862696 B CN109862696 B CN 109862696B
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- desoldering
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Abstract
The invention discloses a circuit board fixing device capable of preventing welding-off and convenient to disassemble and install, which comprises a circuit board substrate, an upper layer frame plate and an installation substrate, wherein the upper layer frame plate is arranged right above the circuit board substrate, a plurality of ceramic connecting blocks are fixedly connected between the circuit board substrate and the upper layer frame plate, the upper surface of the upper layer frame plate is provided with a plurality of horizontal grooves which are arranged at equal intervals, a plurality of hollow sleeve columns are arranged in a single horizontal groove, vertical rods are inserted in the hollow sleeve columns, the upper ends of the vertical rods are fixedly connected with pull rings, the side edge of a rectangular strip formed between the two horizontal grooves is provided with a sliding groove, and pulleys are fixedly welded on two sides of the surface of each hollow sleeve column. The invention moves a certain hollow sleeve column to the position where the element needs to be welded, hooks the pull ring to lift the pull ring through a hook-shaped auxiliary tool, releases the pull ring after the electronic element is welded, and moves the rubber pressure head downwards under the action of the compression spring to be tightly attached to the upper surface of the electronic element so as to prevent the electronic element from being detached from welding.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a circuit board fixing device which prevents desoldering and is convenient to disassemble and assemble.
Background
The circuit board mainly comprises a bonding pad, a through hole, a mounting hole, a lead, a component, a connector, a filling, an electrical boundary and the like, and the circuit board system is classified into the following three types, wherein parts are concentrated on one surface, the lead is concentrated on the other surface, and the lead is only present on one surface, so the PCB is called a single-panel. Since single panels have many stringent limitations on the design of the circuitry, only earlier circuits have used such panels. A double-sided board is called where both sides are wired, but with wires on both sides, appropriate circuit connections between the two sides, called vias, are needed, which are small holes filled or coated with metal on the PCB that can be connected to the wires on both sides. Because the area of the double-sided board is twice larger than that of the single-sided board, and because the wirings can be staggered with each other, in the case of more complex application requirements, the circuits can be arranged into a multi-layer structure and pressed together, and through hole circuits are arranged between the layers to connect the circuits of each layer, the number of layers of the board represents that there are several independent wiring layers, the number of layers is usually even, and the board comprises two outermost layers, and most of the motherboards are in a structure of 4 to 8 layers. The circuit board has the name: the circuit board can be called a printed circuit board or a printed circuit board, the automatic detection technology of the circuit board is applied along with the introduction of the surface mounting technology, and the packaging density of the circuit board is increased rapidly. Therefore, even for a typical number of circuit boards of low density, automatic inspection of the circuit boards is not only essential but also economical.
However, on the basis of the technical conditions of the existing circuit board, the circuit board still has many defects in the using range and convenience, the phenomenon of circuit board desoldering is easy to occur in the using process of the circuit board, the phenomenon of shedding is easy to occur when circuit board components are connected, the components are also loosened due to overhigh temperature in the using process, the desoldering phenomenon occurs, the connecting wires cannot be fixed, and the circuit board is quite scattered, easy to break down and inconvenient to maintain.
Disclosure of Invention
The present invention is directed to a circuit board fixing device that prevents solder failure and is easy to disassemble and assemble, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides a circuit board fixing device which can prevent welding-off and is convenient to disassemble and install, comprising a circuit board substrate, an upper layer frame plate and an installation substrate, wherein the upper layer frame plate is arranged right above the circuit board substrate, a plurality of ceramic connecting blocks are fixedly connected between the circuit board substrate and the upper layer frame plate, a plurality of horizontal grooves which are equidistantly arranged are arranged on the upper surface of the upper layer frame plate, a plurality of hollow sleeve columns are arranged in a single horizontal groove, vertical rods are inserted into the hollow sleeve columns, pull rings are fixedly connected at the upper ends of the vertical rods, slide grooves are arranged at the side edges of rectangular strips formed between the two horizontal grooves, pulleys are fixedly welded at the two sides of the surface of each hollow sleeve column and movably and slidably arranged in the slide grooves, rubber pressure heads are fixedly connected at the lower ends of the vertical rods, spring seats are fixedly welded at the lower ends of the hollow sleeve columns, and compression, compression spring's lower extreme and the last fixed surface of rubber pressure head are connected, the fixed surface welding of the upper surface of circuit board base plate has a plurality of electronic component, and electronic component's upper surface laminating is pressed and is equipped with the rubber pressure head, the lower surface of circuit board base plate is fixedly connected with foot side post all around, and the lower extreme fixedly connected with fixed magnet of foot side post, the fixed surface welding of mounting substrate has the rectangle shell, and the inside rotatable formula magnetic path that is provided with of rectangle shell, the last fixed surface welding of rectangle shell has the annular shell, and fixed magnet alternates in the annular shell, the rotatable articulated adjusting bolt that has in the outside of rectangle shell, the inboard rotatable transfer line that is provided with of rectangle shell.
Preferably, in the above scheme, through holes are formed in the surfaces of two sides of the rectangular shell, a small-sized bearing is arranged in the through holes, one end of an adjusting bolt is inserted into the rectangular shell and fixedly connected with one end of the rotatable magnetic block, and the screw rod part of the adjusting bolt is fixedly welded with the inner wall of the bearing inner ring in the through hole in the surface of the outer side of the rectangular shell.
Preferably, in the above scheme, a connecting rod is fixed on one end face of the rotatable magnetic block, and the connecting rod is inserted in the outer side of the rectangular shell and fixedly connected with one end of the transmission rod, wherein the connecting rod is fixedly welded with the inner wall of the bearing inner ring on the surface of one side of the rectangular shell.
Preferably, in the above scheme, the fixed welding in the surperficial both sides of cavity sleeve post has the connection billet, and the pulley is rotatable to be set up in the outside end of connecting the billet.
Preferably, in the above scheme, the mounting hole has all been seted up to the upper and lower extreme of ceramic connecting block to the matching installs mounting bolt in the mounting hole.
Preferably, in the above scheme, the circuit board substrate and the upper frame plate are parallel to each other, and the length and width dimensions of the circuit board substrate and the upper frame plate are the same.
Preferably, in the above scheme, the four foot side columns are provided with two groups of four foot side columns, and the four foot side columns are respectively arranged at four corners of the lower surface of the circuit board substrate.
Preferably, in the above scheme, the mounting substrate is provided with a set of two mounting substrates, the two mounting substrates are centrosymmetric with respect to the vertical central axis of the device, and the surface of the mounting substrate is provided with a threaded mounting hole.
Compared with the prior art, the circuit board which can prevent the desoldering and is convenient to disassemble and install has the following beneficial effects:
1. the invention moves the hollow sleeve column to the position where the element needs to be welded, then hooks the pull ring to lift the pull ring through a hook-shaped auxiliary tool, releases the pull ring after the electronic element is welded, and moves the rubber pressure head downwards under the action of the compression spring to be tightly attached to the upper surface of the electronic element, thereby preventing the electronic element from being detached from welding.
2. The invention can easily fix and arrange the leg side column in the annular shell by utilizing the principle that the magnetic poles are opposite and mutually attracted, if the leg side column needs to be disassembled, the magnetic pole on the upper end surface of the rotatable magnetic block is opposite to the magnetic pole on the lower surface of the fixed magnet only by rotating the adjusting bolt, so the attraction is relieved, and the disassembly is very convenient.
3. According to the invention, the connecting steel bars are fixedly welded on two sides of the surface of the hollow casing column, the pulleys are rotatably arranged at the outer ends of the connecting steel bars, and the pulleys are slidably arranged in the sliding grooves, so that the loss of the hollow casing column moving in the horizontal groove due to friction can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a circuit board according to the present invention;
FIG. 2 is a partial cross-sectional view of a circuit board of the present invention;
FIG. 3 is an enlarged view of the area A in FIG. 2;
FIG. 4 is an enlarged view of the area B in FIG. 2;
fig. 5 is a front plan view of the circuit board of the present invention.
The reference numerals are explained below:
1-circuit board substrate, 2-upper frame plate, 3-horizontal groove, 4-hollow sleeve column, 5-vertical rod, 6-pull ring, 7-ceramic connecting block, 8-sliding groove, 9-pulley, 10-rubber pressure head, 11-spring seat, 12-compression spring, 13-electronic component, 14-mounting substrate, 15-leg column, 16-annular shell, 17-fixed magnet, 18-rectangular shell, 19-rotatable magnetic block, 20-adjusting bolt and 21-transmission rod.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Before describing the embodiments, some necessary terms need to be explained. For example:
if the use of the terms first, second, etc. appear in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a "first" element discussed below could also be termed a "second" element without departing from the teachings of the present invention. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.
The various terms appearing in this application are used for the purpose of describing particular embodiments only and are not intended as limitations of the invention, with the singular being intended to include the plural unless the context clearly dictates otherwise.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Referring to fig. 1-5, the invention provides a circuit board fixing device for preventing desoldering and facilitating disassembly and assembly, comprising a circuit board substrate 1, an upper frame plate 2 and a mounting substrate 14, wherein the upper frame plate 2 is arranged right above the circuit board substrate 1, a plurality of ceramic connecting blocks 7 are fixedly connected between the circuit board substrate 1 and the upper frame plate 2, a plurality of horizontal grooves 3 are arranged on the upper surface of the upper frame plate 2 at equal intervals, a plurality of hollow studs 4 are arranged in a single horizontal groove 3, a vertical rod 5 is inserted into each hollow stud 4, a pull ring 6 is fixedly connected at the upper end of each vertical rod 5, a sliding groove 8 is arranged on the side edge of a rectangular strip formed between the two horizontal grooves 3, pulleys 9 are fixedly welded on two sides of the surface of each hollow stud 4, the pulleys 9 are movably arranged in the sliding grooves 8, a rubber pressure head 10 is fixedly connected at the lower end of each vertical rod 5, a spring seat 11 is fixedly welded at the lower end of the hollow sleeve column 4, a compression spring 12 is arranged below the spring seat 11, the lower end of the compression spring 12 is fixedly connected with the upper surface of the rubber pressure head 10, a plurality of electronic components 13 are fixedly welded on the upper surface of the circuit board substrate 1, and the upper surface of the electronic element 13 is provided with a rubber pressure head 10 in a fitting and pressing way, the periphery of the lower surface of the circuit board substrate 1 is fixedly connected with a leg column 15, and the lower end of the leg side column 15 is fixedly connected with a fixed magnet 17, the upper surface of the mounting substrate 14 is fixedly welded with a rectangular shell 18, and the inside of the rectangular shell 18 is rotatably provided with a rotatable magnetic block 19, the upper end surface of the rectangular shell 18 is fixedly welded with an annular shell 16, and the fixed magnet 17 is inserted in the annular shell 16, the outer side of the rectangular shell 18 is rotatably hinged with an adjusting bolt 20, and the inner side of the rectangular shell 18 is rotatably provided with a transmission rod 21.
In the above scheme, through holes are formed in the surfaces of two sides of the rectangular shell 18, and a small-sized bearing is arranged in the through holes, one end of an adjusting bolt 20 is inserted into the rectangular shell 18 and fixedly connected with one end of a rotatable magnetic block 19, the screw part of the adjusting bolt 20 is fixedly welded with the inner wall of a bearing inner ring in the through hole in the surface of the outer side of the rectangular shell 18, the end face of the adjusting bolt 20 is designed to be a hexagonal groove and can rotate by means of an auxiliary tool, the adjusting bolt 20 rotates to enable the rotatable magnetic block 19 in the rectangular shell 18 to rotate for face changing, and different faces of the rotatable magnetic block 19 have different magnetic poles.
Further, in the above solution, a connecting rod is fixed on one end face of the rotatable magnetic block 19, and the connecting rod is inserted in the outer side of the rectangular shell 18 and fixedly connected with one end of the transmission rod 21, wherein the connecting rod is fixedly welded with the inner wall of the bearing inner ring on one side surface of the rectangular shell 18.
Further, in the above scheme, the connecting steel bars are fixedly welded on both sides of the surface of the hollow casing pillar 4, the pulley 9 is rotatably disposed at the outer end of the connecting steel bars, and the pulley 9 is slidably disposed in the sliding groove 8, so that the loss caused by friction when the hollow casing pillar 4 moves in the horizontal groove 3 can be reduced.
Further, in the above scheme, mounting holes are formed in the upper end and the lower end of the ceramic connecting block 7, mounting bolts are mounted in the mounting holes in a matching manner, and the ceramic connecting block 7 has ultrahigh insulation and heat dissipation performance and is very suitable for fixing the circuit board substrate 1 and the upper frame plate 2.
Further, in the above-described aspect, the circuit board substrate 1 and the upper frame board 2 are parallel to each other, and the length and width dimensions of the circuit board substrate 1 and the upper frame board 2 are uniform.
Further, in the above-mentioned solution, two sets of four leg pillars 15 are provided, and the four leg pillars 15 are respectively provided at four corners of the lower surface of the circuit board substrate 1.
Further, in the above solution, the mounting substrate 14 is provided with a set of two mounting substrates 14, and the two mounting substrates 14 are centrosymmetric about the vertical central axis of the device, and the surface of the mounting substrate 14 is provided with a threaded mounting hole.
The circuit board capable of preventing the desoldering and convenient to disassemble and install has the following specific applications: the electronic component 13 is welded on the circuit board substrate 1, in order to make the electronic component 13 not easy to generate the desoldering, so the electronic component can be pressed from the upper surface by the rubber pressure head 13, the concrete operation can firstly move a certain hollow sleeve column 4 to the position of the component needing to be welded, then the pull ring 6 is hooked by the hook-shaped auxiliary tool to lift up, then the electronic component 13 is welded, the pull ring 6 is loosened, the rubber pressure head 10 moves downwards under the action of the compression spring 12 to be tightly attached to the upper surface of the electronic component 13, the circuit board is arranged in a certain device, the mounting substrate 14 is arranged at the inner fixed position of the certain device, then the upper end surface magnetic pole of the rotatable magnet 19 is opposite to the lower end surface magnetic pole of the fixed magnet 17, the leg side column 15 can be easily fixed and arranged in the annular shell 16 by the principle that the magnetic poles are opposite to attract, if the, the magnetic pole of the upper end surface of the rotatable magnetic block 19 is opposite to the magnetic pole of the lower surface of the fixed magnet 17 only by rotating the adjusting bolt 20, so that the attraction is relieved, and the disassembly is very convenient.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a prevent circuit board fixing device of desoldering and convenient to detach installation, includes circuit board base plate (1), upper frame board (2) and mounting substrate (14), its characterized in that: the upper-layer frame plate (2) is arranged right above the circuit board substrate (1), a plurality of ceramic connecting blocks (7) are fixedly connected between the circuit board substrate (1) and the upper-layer frame plate (2), horizontal grooves (3) which are arranged in a plurality of equal distances are formed in the upper surface of the upper-layer frame plate (2), each horizontal groove (3) is provided with a plurality of hollow sleeve columns (4), vertical rods (5) are arranged in the hollow sleeve columns (4) in an inserting manner, pull rings (6) are fixedly connected to the upper ends of the vertical rods (5), sliding grooves (8) are formed in the side edges of rectangular strips formed between the two horizontal grooves (3), pulleys (9) are fixedly welded on the two sides of the surface of each hollow sleeve column (4), the pulleys (9) are movably arranged in the sliding grooves (8), and rubber pressure heads (10) are fixedly connected to the lower ends of the vertical rods (5), the lower end fixed welding of cavity sleeve post (4) has spring holder (11), and compression spring (12) is installed to spring holder (11) below, the lower extreme of compression spring (12) with the last fixed surface of rubber pressure head (10) is connected, the last fixed surface welding of circuit board base plate (1) has a plurality of electronic component (13), and the last surface laminating of electronic component (13) is pressed and is equipped with rubber pressure head (10), the lower surface of circuit board base plate (1) is fixedly connected with foot side post (15) all around, and the lower extreme fixedly connected with fixed magnet (17) of foot side post (15), the last fixed surface welding of mounting substrate (14) has rectangular shell (18), and the inside rotation of rectangular shell (18) is provided with rotary type magnetic path (19), the last fixed surface welding of rectangular shell (18) has annular shell (16), and the fixed magnet (17) is inserted into the annular shell (16), the outer side of the rectangular shell (18) is rotatably hinged with an adjusting bolt (20), and the inner side of the rectangular shell (18) is rotatably provided with a transmission rod (21).
2. The desoldering preventing circuit board fixing device facilitating disassembly and assembly as recited in claim 1, wherein: the through-hole has been seted up on the both sides surface of rectangle shell (18), and be provided with miniature bearing in the through-hole, the one end of adjusting bolt (20) alternate in the inside of rectangle shell (18) with rotary type magnetic path (19) one end fixed connection, the screw rod part of adjusting bolt (20) with bearing inner circle inner wall fixed welding in the surface through-hole of rectangle shell (18) outside.
3. The desoldering preventing circuit board fixing device facilitating disassembly and assembly as claimed in claim 2, wherein: a connecting rod is fixed on one end face of the rotary magnetic block (19), the connecting rod is inserted into the outer side of the rectangular shell (18) and fixedly connected with one end of the transmission rod (21), and the connecting rod is fixedly welded with the inner wall of the bearing inner ring on the surface of one side of the rectangular shell (18).
4. The desoldering preventing circuit board fixing device facilitating disassembly and assembly as recited in claim 1, wherein: the fixed welding in the surperficial both sides of cavity sleeve post (4) has the connection billet, pulley (9) rotate set up in the outside end of connecting the billet.
5. The desoldering preventing circuit board fixing device facilitating disassembly and assembly as recited in claim 1, wherein: mounting holes are formed in the upper end and the lower end of the ceramic connecting block (7), and mounting bolts are mounted in the mounting holes in a matched mode.
6. The desoldering preventing circuit board fixing device facilitating disassembly and assembly as recited in claim 1, wherein: the circuit board substrate (1) and the upper-layer frame plate (2) are parallel to each other, and the length and the width of the circuit board substrate (1) and the length and the width of the upper-layer frame plate (2) are consistent.
7. The desoldering preventing circuit board fixing device facilitating disassembly and assembly as recited in claim 1, wherein: the four foot side columns (15) are arranged in two groups, and the four foot side columns (15) are respectively arranged at the four corners of the lower surface of the circuit board substrate (1).
8. The desoldering preventing circuit board fixing device facilitating disassembly and assembly as recited in claim 1, wherein: the mounting base plate (14) is provided with a set of two, the two mounting base plates (14) are centrosymmetric about a vertical central axis of the device, and threaded mounting holes are formed in the surface of each mounting base plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910191317.0A CN109862696B (en) | 2019-03-13 | 2019-03-13 | Circuit board fixing device capable of preventing desoldering and convenient to detach and install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910191317.0A CN109862696B (en) | 2019-03-13 | 2019-03-13 | Circuit board fixing device capable of preventing desoldering and convenient to detach and install |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109862696A CN109862696A (en) | 2019-06-07 |
| CN109862696B true CN109862696B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910191317.0A Active CN109862696B (en) | 2019-03-13 | 2019-03-13 | Circuit board fixing device capable of preventing desoldering and convenient to detach and install |
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| CN (1) | CN109862696B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113210780A (en) * | 2021-06-02 | 2021-08-06 | 深圳市兆兴博拓科技股份有限公司 | Electronic component welding method and welding jig |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201244721Y (en) * | 2008-06-12 | 2009-05-27 | 中国航空工业第一集团公司第六一三研究所 | Anti-deforming combined clamp for wave soldering of printed board with heat radiation board |
| CN106944417B (en) * | 2017-03-15 | 2019-02-19 | 同健(惠阳)电子有限公司 | A kind of dust suction jig for pcb board |
| CN206732319U (en) * | 2017-03-18 | 2017-12-12 | 东莞市门萨匠智能科技有限公司 | A kind of PCB welding fixtures |
| CN206966813U (en) * | 2017-03-27 | 2018-02-06 | 铜陵学院 | A kind of welding circuit board tool |
| CN207036895U (en) * | 2017-05-17 | 2018-02-23 | 深圳凌测科技有限公司 | A kind of PCBA board tests anti-pull-up structure and PCBA board measurement jig |
| CN207219181U (en) * | 2017-09-26 | 2018-04-10 | 上海金鑫电子有限公司 | A kind of wave-soldering fixes crimping jig |
| CN208005074U (en) * | 2018-03-06 | 2018-10-26 | 常州泉晋光电有限公司 | A kind of PIN needle welding fixture |
| CN108391385A (en) * | 2018-04-08 | 2018-08-10 | Oppo广东移动通信有限公司 | Jig for PCBA board reparation |
| CN109041454A (en) * | 2018-09-06 | 2018-12-18 | 四川知创知识产权运营有限公司 | It is conveniently adjusted the clamping device of pcb board soldering angle |
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2019
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