CN215581914U - Multilayer combined printed circuit board - Google Patents
Multilayer combined printed circuit board Download PDFInfo
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- CN215581914U CN215581914U CN202121372093.2U CN202121372093U CN215581914U CN 215581914 U CN215581914 U CN 215581914U CN 202121372093 U CN202121372093 U CN 202121372093U CN 215581914 U CN215581914 U CN 215581914U
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- circuit board
- printed circuit
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Abstract
The utility model discloses a multilayer combined printed circuit board, and relates to the technical field of electronics. The fixing device comprises fixing plates, threaded columns, splicing rods and a circuit board main body, wherein the front side and the rear side of each fixing plate are fixedly screwed with fixing rods, one side of each fixing plate is fixedly screwed with a threaded column, the splicing rods are clamped between the two fixing plates, and the splicing rods are inserted into one end of the circuit board main body. The utility model solves the problems that the existing multilayer combined printed circuit board has more precise structure and poor damping effect, the printed circuit board is easily damaged due to the fact that stress cannot be released when the printed circuit board is vibrated, the heat dissipation performance is poor, the printed circuit board is damaged due to overheating possibly caused by long-time use of electronic elements, the printed circuit board cannot be rapidly disassembled and replaced, the maintenance expenditure is high, energy is not saved, the environment is protected, and the universality is poor through the fixing plate, the threaded column, the splicing rod and the circuit board main body.
Description
Technical Field
The utility model belongs to the technical field of electronics, and particularly relates to a multi-layer combined printed circuit board.
Background
Printed circuit boards, also known as printed circuit boards, are providers of electrical connections of electronic components, are the basis of most of the electronic product production, and with the rapid development of the electronic industry, printed circuit boards, which are basic components of electronic products, are increasingly widely used, the printed circuit boards mainly consist of circuits, drawing surfaces, dielectric layers, holes, solder resist ink, screen printing and surface treatment, the existence of the printed circuit boards greatly reduces errors in wiring and assembly in electronic components, improves the automation level and the production labor rate, the printed circuit boards can be divided into single-sided boards, double-sided boards, four-sided boards, six-sided boards and multilayer circuit boards according to the number of layers of the circuit boards, wherein the multilayer circuit board has the advantages of high assembly density, small volume, light weight, good reliability, high flexibility and the like, but widely used in the production of various precise electronic devices, the following disadvantages still exist in the practical use:
1. the prior publication, CN209964379U, is a multi-layer combined circuit board, in which the wiring board is fixed on the substrate board and bonded by current collecting glue, and the substrate board and the wiring board are processed with cross-shaped slots with aligned holes; the cross-shaped hole groove comprises a transverse hole and a vertical hole, the transverse hole and the vertical hole are perpendicular to each other, a first circuit board and a second circuit board are embedded into the transverse hole and the vertical hole respectively, a first slotted hole and a second slotted hole are processed in the middle of the first circuit board and the middle of the second circuit board respectively, most of the conventional multilayer combined printed circuit boards reduce the volume of the printed circuit board through the structure, but the multilayer combined printed circuit board with the structure has poor stability, the printed circuit board is easy to shift and damage due to impact or vibration, and the service life of the printed circuit board is shortened;
2. when the existing multilayer combined printed circuit board is transversely combined, the printed circuit board is often attached to the upper end of the base material board, so that when an electronic device is used, the printed circuit board at the upper end of the base material board has poor heat dissipation efficiency, and can be damaged due to overheating after long-time use;
3. the current multilayer combined printed circuit board is often just fixed after processing is accomplished, is not convenient for dismantle, leads to when partial circuit board damages, is difficult for carrying on local change, only can wholly change, has improved electronic device's cost of maintenance greatly, and because printed circuit board's the recovery with handle the degree of difficulty great, the pollution of production is more, environmental protection inadequately increases staff's the recovery degree of difficulty.
Therefore, the conventional multi-layer combined printed circuit board cannot meet the requirement in practical use, so that there is a strong need for improved technology in the market to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multilayer combined printed circuit board, which solves the problems of relatively precise structure, poor damping effect, poor heat dissipation performance, incapability of being quickly disassembled and replaced, relatively high maintenance expense and poor universality of the conventional multilayer combined printed circuit board through a fixing plate, a threaded column, a splicing rod and a circuit board main body.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a multilayer combined printed circuit board, which comprises fixing plates, threaded columns, splicing rods and a circuit board main body, wherein the front side and the rear side of each fixing plate are fixedly screwed with the fixing rods, the inner side structure of the multilayer combined printed circuit board can be kept stable through the fixing rods, the phenomenon that the circuit board main body cannot be used due to displacement caused by shaking is avoided, the fixing rods can be quickly detached to overhaul and replace the circuit board main body when maintenance is needed, the problem that the whole replacement causes higher expense is avoided, energy is saved, the environment is protected, the threaded columns are fixedly screwed on one sides of the fixing plates, the circuit board main body clamped on the inner side of the multilayer combined printed circuit board can be subjected to shock absorption protection through the threaded columns, the circuit board main body is prevented from being damaged when an electronic device is vibrated or impacted, the accidental expense is reduced, the splicing rods are clamped between the two fixing plates and are inserted into one end of the circuit board main body, the circuit board main body can be spliced according to needs through the splicing rods, so that the flexibility and the universality of the circuit board main body during production and installation are greatly improved, and the circuit board main body can not be directly attached to the surface of the fixed plate through the splicing rods, so that the heat dissipation effect of the circuit board main body is improved, the damage caused by overheating is avoided, and the service life of the circuit board main body is prolonged.
Furthermore, the threaded grooves are formed in the edge and the center of the upper side of each fixing plate, the fixing knobs are screwed at two ends of each fixing rod, the fixing rods are screwed and fixed to the front side and the rear side of each fixing plate through the fixing knobs, the two fixing plates can be fixed through the fixing rods, the structure of the inner side of the circuit board assembly is further stabilized, the phenomenon that the circuit board assembly cannot be used due to displacement of the circuit board main body caused by impact is avoided, the circuit board assembly can be rapidly disassembled by rotating the fixing knobs, the circuit board assembly is convenient to overhaul and replace, energy is saved, environment is protected, and expenditure is reduced.
Furthermore, a limiting groove is formed in the upper end of the threaded column, a positioning column is inserted into the inner side of the limiting groove, the threaded column is screwed to the inner side of the threaded groove of the fixing plate, a corresponding number of threaded columns are screwed to the upper side of the fixing plate according to the number and size of layers of the circuit board main bodies to be installed, and a certain number of circuit board main bodies are clamped according to the needs, so that the universality of the circuit board fixing device can be improved.
Furthermore, the positioning column is inserted into the upper side of the threaded column through the spring, the spring is located at the bottom end of the inner side of the limiting groove, and the upper side of the positioning column is provided with the slot.
Furthermore, the positioning grooves are formed in the upper end and the lower end of the splicing rod, the transverse clamping grooves are formed in the two ends of the outer peripheral surface of the splicing rod and are located between the two positioning grooves, the outer peripheral surface of the splicing rod is provided with the vertical clamping grooves which are located between the transverse clamping grooves at the two ends of the splicing rod, the circuit board main bodies can be clamped in the vertical direction through the vertical clamping grooves, the circuit board main bodies can be clamped in the transverse direction through the transverse clamping grooves, the number of the circuit board main bodies can be increased, the space utilization rate can be increased, the size of electronic components can be reduced, the circuit board main bodies in required number can be clamped in the side peripheral surface as required, and the universality of the utility model is further improved.
Furthermore, the periphery of the circuit board main body is inserted inside the transverse clamping grooves of the four splicing rods, two sides of the circuit board main body are inserted inside the vertical clamping grooves of the two splicing rods, the threaded columns are clamped inside the splicing rods through positioning columns, the positioning columns are clamped inside the positioning grooves of the splicing rods through slots, one ends of the positioning columns are positioned on one sides of the slots and are attached to one sides of the circuit board main body, the positioning columns can tightly press the circuit board main bodies with different sizes in the transverse clamping grooves through the slots and springs, the circuit board main bodies with different sizes can be stably fixed, the universality of the circuit board main body fixing device is improved, the circuit board main bodies in the transverse clamping grooves are not directly attached to one side of a fixing plate, two sides of the circuit board main body can be contacted with air, the damage caused by slow heat dissipation due to the direct attachment to one side of the fixing plate is avoided, and the service life of the circuit board fixing device is prolonged, the fixing plates are simultaneously fixed on the inner sides of the electronic devices, so that printed circuit boards with different numbers and sizes can be fixed, and the universality of the utility model is greatly improved.
The utility model has the following beneficial effects:
1. the utility model solves the problem that the service life of the prior multilayer combined printed circuit board is shortened by the structure mostly by arranging the fixing plate, the threaded column, the splicing rod and the circuit board main body, but the multilayer combined printed circuit board of the structure has poor stability, the printed circuit board is easy to shift and damage caused by impact or vibration, and the service life of the printed circuit board is reduced, the circuit board main body can be pressed from the upper side and the lower side by the fixing plate clamped at the upper side and the lower side and is screwed and connected with the fixed rod at the outer side of the fixing plate, the circuit board main body can be fixed at the side surface by the splicing rod clamped and connected with the periphery or two sides of the circuit board main body, the stability of the circuit board main body in the utility model is improved, the shift caused by shaking is avoided, and the stress generated by vibration can be absorbed and released when an electronic device is impacted or vibrated by the threaded column, the damage of the circuit board main body is avoided, and the service life of the utility model is prolonged.
2. The fixing plate, the threaded column, the splicing rod and the circuit board main body are arranged, so that the problems that when the existing multilayer combined printed circuit board is transversely combined, the printed circuit board at the upper end of the base material plate is often attached to the upper end of the base material plate, the printed circuit board at the upper end of the base material plate is poor in heat dissipation efficiency when an electronic device is used for a long time, and the printed circuit board is damaged due to overheating are solved.
3. The utility model solves the problems that the prior multilayer combined printed circuit board is always fixed after being processed and is inconvenient to disassemble, so that the partial circuit board is difficult to partially replace when being damaged and can only be integrally replaced, the maintenance cost of electronic devices is greatly improved, and the recovery and treatment difficulty of the printed circuit board is higher, so that the utility model is not environment-friendly enough and the recovery difficulty of workers is increased, the utility model can combine and process a plurality of circuit board main bodies according to the requirement and can clamp circuit board main bodies with different thicknesses by the splicing rod and the threaded rod, thereby improving the universality of the utility model, and when the partial circuit board main body is damaged, the utility model can be quickly disassembled by taking down the fixing rod, thereby avoiding the rise of the maintenance cost caused by inconvenient disassembly or needing to directly replace the new combined printed circuit board, energy conservation and environmental protection, and reduces the labor intensity of recovery workers.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
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 structural view of the present invention;
FIG. 2 is a structural effect diagram of the present invention;
FIG. 3 is a block diagram of a mounting plate according to the present invention;
FIG. 4 is a block diagram of the threaded post of the present invention;
FIG. 5 is a structural view of the splicing rod of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a fixing plate; 101. a thread groove; 102. fixing the rod; 103. fixing the knob; 2. a threaded post; 201. a positioning column; 202. a slot; 203. a spring; 204. a limiting groove; 3. splicing rods; 301. positioning a groove; 302. a vertical clamping groove; 303. a transverse clamping groove; 4. a circuit board main body.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-5, the present invention is a multi-layer combined printed circuit board, including a fixing plate 1, threaded posts 2, a splicing rod 3 and a circuit board main body 4, wherein the fixing plate 1 is fixed with fixing rods 102 at the front and rear sides in a screwing manner, the inner side structure of the multi-layer combined printed circuit board can be kept stable by the fixing rods 102, the circuit board main body 4 can not be used due to the displacement caused by shaking, the fixing rods 102 can be quickly detached to overhaul and replace the circuit board main body 4 when maintenance is needed, the expense caused by the whole replacement is avoided to be large, the threaded posts 2 are fixed at one side of the fixing plate 1 in a screwing manner, the circuit board main body 4 clamped at the inner side of the multi-layer combined printed circuit board can be shock-absorbed and protected by the threaded posts 2, the damage of the circuit board main body 4 when an electronic device is shocked or impacted is avoided, the accidental expense is reduced, the splicing rod 3 is clamped between the two fixing plates 1, the splicing rods 3 are inserted into one end of the circuit board main body 4, the circuit board main body 4 can be spliced through the splicing rods 3 as required, the flexibility and the universality of the utility model during production and installation are greatly improved, and the circuit board main body 4 can not be directly attached to the surface of the fixed plate 1 through the splicing rods 3, so that the heat dissipation effect of the utility model is increased, and the damage caused by overheating is avoided.
As shown in fig. 1 and 3, thread grooves 101 are formed in the edge and the center of the upper side of the fixing plate 1, fixing knobs 103 are screwed at two ends of the fixing rod 102, the fixing rod 102 is screwed and fixed to the front side and the rear side of the fixing plate 1 through the fixing knobs 103, the fixing rod 102 can fix two sides of the two fixing plates 1 by rotating the fixing knobs 103, the circuit board main bodies 4 on the inner sides of the two fixing plates 1 are stabilized, the circuit board main bodies 4 are prevented from shifting due to impact, when the circuit board is damaged, the circuit board can be rapidly disassembled by rotating the fixing knobs 103, and the circuit board elements 4 can be conveniently overhauled and the damaged circuit board main bodies 4 can be conveniently replaced.
As shown in fig. 4, a limiting groove 204 is formed at the upper end of the threaded stud 2, a positioning column 201 is inserted into the limiting groove 204, the threaded stud 2 is screwed into the inner side of the threaded groove 101 of the fixing plate 1, the positioning column 201 is inserted into the upper side of the threaded stud 2 through a spring 203, the spring 203 is located at the bottom end of the inner side of the limiting groove 204, a slot 202 is formed in the upper side of the positioning column 201, a corresponding number of threaded studs 2 are screwed into the upper side of the fixing plate 1 according to the number and size of layers of the circuit board main body 4 to be installed, and a certain number of circuit board main bodies 4 are clamped according to the needs.
As shown in FIGS. 2 and 5, the upper and lower ends of the splicing rods 3 are provided with positioning slots 301, the two ends of the outer peripheral surface of the splicing rods 3 are provided with transverse slots 303, the transverse slots 303 are positioned between the two positioning slots 301, the outer peripheral surface of the splicing rods 3 are provided with vertical slots 302, the vertical slots 302 are positioned between the transverse slots 303 at the two ends of the splicing rods 3, the periphery of the circuit board main body 4 is inserted inside the transverse slots 303 of the four splicing rods 3, the two sides of the circuit board main body 4 are inserted inside the vertical slots 302 of the two splicing rods 3, the threaded post 2 is clamped inside the splicing rods 3 through the positioning post 201, the positioning post 201 is clamped inside the positioning slots 301 of the splicing rods 3 through the slot 202, the positioning post 201 is positioned at one end of the slot 202 and is attached to one side of the circuit board main body 4, the two vertical slots 302 can be vertically clamped to the two sides of the circuit board main body 4, and the four transverse slots 303 can be transversely clamped around the circuit board main body 4, the number of the circuit board main bodies 4 is increased, the size of the electronic component and the electronic component is reduced, the circuit board main bodies 4 with the required number can be clamped on the side circumferential surface as required, the positioning column 201 can tightly press the circuit board main bodies 4 with different thicknesses in the transverse clamping groove 303 through the inserting groove 202 and the spring 203, the circuit board main bodies with different sizes can be stably fixed, the circuit board main bodies 4 in the transverse clamping groove 303 are not directly attached to one side of the fixing plate 1, the contact area between the circuit board main bodies 4 and air can be increased, the problem that the circuit board main bodies 4 are damaged due to slow heat dissipation caused by direct attachment to one side of the fixing plate 1 is avoided, the fixing plates 1 are simultaneously fixed on the inner sides of electronic components, and the circuit board main bodies 4 with different numbers and sizes can be fixed.
One specific application of this embodiment is: according to the number of layers and the structure of the circuit board main body 4 to be processed, the corresponding positions of the upper ends of two fixing plates 1 are screwed with the corresponding number of threaded columns 2, the upper ends of the positioning columns 201 of one fixing plate 1 are clamped with the splicing rods 3, the circuit board main body 4 is vertically clamped between two vertical clamping grooves 302 according to the designed structure, the circuit board main body 4 is transversely clamped between four transverse clamping grooves 303, the space utilization rate is increased, the volume of an electronic element is reduced, the universality of the utility model is improved, the other fixing plate 1 screwed with the threaded columns 2 is clamped at the other end of the splicing rods 3, the spring 203 extrudes the transverse circuit board main body 4 to extrude and fix the circuit board main bodies 4 with different thicknesses, the universality of the utility model is greatly improved, the fixing knobs 103 are used for screwing and fixing the fixing rods 102 at the two ends of the fixing plates 1, so that the fixing plates 1 are stabilized at the two sides of the circuit board main body 4, the splicing rods 3 are fixed around the circuit board main body 4, the stability of the utility model is greatly improved, the displacement of the circuit board main body 4 caused by shaking is avoided, when the utility model is vibrated or impacted, the spring 203 can release stress generated by vibration, the stress generated by impact or vibration is prevented from directly damaging the circuit board main body 4, the damage or deformation of the inner part of the circuit board main body 4 is avoided, the service life of the utility model is prolonged, the circuit board main body 4 in the transverse clamping groove 303 is not directly attached to one side of the fixed plate 1, the two sides of the circuit board main body 4 can be contacted with air, the damage caused by slow heat dissipation due to the direct attachment to one side of the fixed plate 1 is avoided, and the service life of the utility model is prolonged.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a multilayer combination formula printed circuit board, includes fixed plate (1), screw thread post (2), concatenation pole (3) and circuit board main part (4), its characterized in that: the fixing plate is characterized in that fixing rods (102) are fixedly connected to the front side and the rear side of the fixing plate (1) in a screwed mode, a threaded column (2) is fixedly connected to one side of the fixing plate (1) in a screwed mode, a splicing rod (3) is clamped between the two fixing plates (1), and the splicing rod (3) is inserted into one end of the circuit board main body (4).
2. The multi-layered combined printed circuit board of claim 1, wherein the fixing plate (1) has a threaded groove (101) at the upper edge and the center, fixing knobs (103) are screwed to the two ends of the fixing rod (102), and the fixing rod (102) is screwed to the front and rear sides of the fixing plate (1) through the fixing knobs (103).
3. The multilayer combined printed circuit board of claim 1, wherein a limiting groove (204) is formed at the upper end of the threaded post (2), a positioning post (201) is inserted into the limiting groove (204), and the threaded post (2) is screwed into the threaded groove (101) of the fixing plate (1).
4. The multi-layered combined printed circuit board of claim 3, wherein the positioning post (201) is inserted into the upper side of the threaded post (2) through a spring (203), the spring (203) is located at the bottom end of the inner side of the limiting groove (204), and the positioning post (201) is provided with an insertion groove (202) at the upper side thereof.
5. The multilayer combined printed circuit board according to claim 1, wherein the upper and lower ends of the splicing rod (3) are provided with positioning grooves (301), the two ends of the outer peripheral surface of the splicing rod (3) are provided with transverse clamping grooves (303), the transverse clamping grooves (303) are located between the two positioning grooves (301), the outer peripheral surface of the splicing rod (3) is provided with vertical clamping grooves (302), and the vertical clamping grooves (302) are located between the transverse clamping grooves (303) at the two ends of the splicing rod (3).
6. The multilayer combined printed circuit board of claim 1, wherein the periphery of the circuit board main body (4) is inserted into the inner sides of the transverse slots (303) of the four splicing rods (3), the two sides of the circuit board main body (4) are inserted into the inner sides of the vertical slots (302) of the two splicing rods (3), the threaded column (2) is clamped to the inner sides of the splicing rods (3) through a positioning column (201), the positioning column (201) is clamped to the inner sides of the positioning slots (301) of the splicing rods (3) through a slot (202), and the positioning column (201) is located at one end of the slot (202) and is attached to one side of the circuit board main body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121372093.2U CN215581914U (en) | 2021-06-18 | 2021-06-18 | Multilayer combined printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121372093.2U CN215581914U (en) | 2021-06-18 | 2021-06-18 | Multilayer combined printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215581914U true CN215581914U (en) | 2022-01-18 |
Family
ID=79818937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121372093.2U Active CN215581914U (en) | 2021-06-18 | 2021-06-18 | Multilayer combined printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215581914U (en) |
-
2021
- 2021-06-18 CN CN202121372093.2U patent/CN215581914U/en active Active
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