CN215872362U - Concatenation formula PCB circuit board - Google Patents
Concatenation formula PCB circuit board Download PDFInfo
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- CN215872362U CN215872362U CN202122144053.9U CN202122144053U CN215872362U CN 215872362 U CN215872362 U CN 215872362U CN 202122144053 U CN202122144053 U CN 202122144053U CN 215872362 U CN215872362 U CN 215872362U
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- butt joint
- spliced
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Abstract
The utility model belongs to the technical field of PCB (printed circuit board), in particular to a spliced PCB, which aims at the problem of poor stability when the PCB is spliced, and the scheme is provided, wherein the spliced PCB comprises two mounting plates and two base plates; according to the utility model, the clamping block and the clamping groove form butt joint installation treatment on two substrates, meanwhile, the butt joint rod and the fixed sleeve form insertion joint installation treatment, the stability of the two substrates in butt joint is further improved, at the moment, the two locking semi-rings are driven by the connecting semi-rings to be respectively inserted into the locking grooves on the two substrates, so that the stability of the two substrates in splicing is improved again, the limiting effect of the butt joint rod in the fixed sleeve is effectively improved, the two spliced substrates and the mounting plate are placed and treated, and the two substrates are positioned, locked and installed on the mounting plate through the threads of the positioning bolt and the mounting plate, so that the stability of the two substrates in splicing installation is ensured.
Description
Technical Field
The utility model relates to the technical field of PCB (printed circuit board), in particular to a spliced PCB.
Background
Circuit boards, which are the basis of electronic devices, are one of the most common non-conductive material circuit boards used to support etched copper tracks and conductive features, are composite materials made of woven fiberglass cloth and epoxy, where the various components are fixed in place and interconnected to allow the electronic device to function as intended, to reduce wiring and assembly errors and improve manufacturing and labor efficiency, and are one of the names of circuit boards, also known as printed circuit boards.
The circuit in the electronic product is used for realizing the product function, generally only a single base plate, the function whole integration with the product is on the circuit board, the advantage lies in can reducing the occupancy rate of control circuit board to the product space, the integrated level is higher, but the commonality of circuit board is relatively poor, not only lead to when the partial functional area of circuit board breaks down, need whole change circuit board, and when carrying out the function extension to the product, can't carry out the outside extension of circuit board according to current design circuit principle, need redesign manufacturing circuit board, lead to circuit board resource waste and design cycle extension, the concatenation formula circuit board has then effectively solved above-mentioned problem, its stability is then especially important when the concatenation of concatenation formula circuit board this moment.
Therefore, a need exists for a splicing type PCB for solving the problem of poor stability when splicing the PCB.
SUMMERY OF THE UTILITY MODEL
The spliced PCB provided by the utility model solves the problem of poor stability when the PCB is spliced.
In order to achieve the purpose, the utility model adopts the following technical scheme: a spliced PCB circuit board comprises a mounting plate and a connecting plate
The two substrates are arranged and are positioned on the top surface of the mounting plate, four mounting holes which are uniformly distributed are formed in the top surface of the substrate, and each mounting hole is internally connected with a positioning bolt which extends to the inside of the mounting plate in a threaded manner;
the fixture block is fixed on one side wall of one of the substrates, the other side wall of the substrate is provided with a clamping groove matched with the fixture block, the side wall of one side of the substrate is provided with an arc-shaped groove, the top surface and the bottom surface of the fixture block are both fixed with arc-shaped blocks matched with the arc-shaped groove, and the side walls of the two substrates are provided with butt joint assemblies.
Preferably, the docking assembly comprises
The two butt-joint rods are fixed on the side walls of two sides of one of the base plates, and the side walls of two sides of the other base plate are respectively fixed with a fixed sleeve matched with the butt-joint rods;
the locking grooves are symmetrically distributed on the side walls of the two sides of the substrate, locking semi-rings matched with the butt-joint rods are arranged in the locking grooves, and connecting semi-rings are fixed between every two adjacent locking semi-rings.
Preferably, the vertical section of the butt joint rod is L-shaped, and the end face of the butt joint rod is provided with a chamfer.
Preferably, the locking semi-rings are distributed in a U shape, and the contact surfaces of the connecting semi-rings and the butt-joint rod are cambered surfaces matched with each other.
Preferably, the positioning bolt is a countersunk positioning bolt, the mounting hole is a matched countersunk mounting hole, and the top surface of the positioning bolt and the top surface of the substrate are located on the same plane.
Preferably, the cross section of each clamping block is semicircular, and the maximum distance between the two arc-shaped blocks is consistent with the thickness of the substrate.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the clamping block and the clamping groove form butt joint installation treatment on two substrates, and meanwhile, the butt joint rod and the fixed sleeve form insertion installation treatment, so that the stability of the two substrates in butt joint is further improved, at the moment, the two locking semi-rings are driven by the connecting semi-rings to be respectively inserted into the locking grooves on the two substrates, so that the stability of the two substrates in splicing is improved again, the limiting effect of the butt joint rod in the fixed sleeve is effectively improved, the two spliced substrates and the mounting plate are placed and treated, and are locked by the threads of the positioning bolt and the mounting plate, so that the two substrates are positioned, locked and installed on the mounting plate, and the stability of the two substrates in splicing and installation is ensured.
2. The locking semi-rings are distributed in a U shape, so that the locking semi-rings and the locking grooves are conveniently clamped, the inserting stability of the butt-joint rod in the fixed sleeve is enhanced, the stability of the two substrates in butt joint is enhanced, the cambered surfaces of the connecting semi-rings are arranged, the contact area of the connecting semi-rings and the butt-joint rod is enhanced, and the limiting effect of the butt-joint rod is improved.
Drawings
Fig. 1 is a schematic view of an overall structure of a spliced PCB circuit board according to the present invention;
FIG. 2 is a schematic view of a local structure at a fixture block of a spliced PCB circuit board according to the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
fig. 4 is a schematic view of a partial structure at a card slot of a spliced PCB circuit board according to the present invention.
In the figure: 1. mounting a plate; 2. a substrate; 3. mounting holes; 4. positioning the bolt; 5. a clamping block; 6. a card slot; 7. an arc-shaped slot; 8. an arc-shaped block; 9. a docking assembly; 91. a docking rod; 92. fixing a sleeve; 93. a locking groove; 94. locking the semi-ring; 95. the half rings are connected.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
Referring to fig. 1-4, the spliced PCB comprises a mounting plate 1, the mounting plate 1 further comprises two substrates 2, the two substrates 2 are both positioned on the top surface of the mounting plate 1, four mounting holes 3 are uniformly distributed on the top surface of the substrate 2, and a positioning bolt 4 extending into the mounting plate 1 is connected in each mounting hole 3 in a threaded manner; fixture block 5, fixture block 5 is fixed in one side lateral wall of one of them base plate 2, draw-in groove 6 with fixture block 5 looks adaptation is seted up to the lateral wall of another base plate 2, arc 7 has been seted up to one side lateral wall of base plate 2, the top surface and the bottom surface of fixture block 5 all are fixed with arc 8 with arc 7 matched with, the lateral wall of two base plates 2 is provided with butt joint subassembly 9, specifically, two base plates 2 form the butt joint installation through fixture block 5 and draw-in groove 6, form threaded connection through positioning bolt 4 and mounting panel 1, thereby make two base plates 2 carry out stable installation processing on mounting panel 1, the setting of butt joint subassembly 9, the effect of cooperation fixture block 5 and draw-in groove 6, further strengthen the stability of two base plates 2 when butt joint processing.
The butt joint assembly 9 comprises two butt joint rods 91, the two butt joint rods 91 are fixed on the two side walls of one substrate 2, and the two side walls of the other substrate 2 are respectively fixed with a fixing sleeve 92 matched with the butt joint rods 91; locking groove 93, locking groove 93 is the symmetric distribution in base plate 2's both sides lateral wall, be provided with in the locking groove 93 with butt joint pole 91 matched with locking semi-ring 94, be fixed with between two adjacent locking semi-rings 94 and connect semi-ring 95, it is concrete, through the plug-in cooperation effect of butt joint pole 91 with fixed cover 92, strengthen the concatenation effect of two base plates 2 when the concatenation is handled, through two locking semi-rings 94 and the setting of connecting semi-ring 95, both can improve the stability of two base plates 2 when the butt joint, it is spacing to carry out abundant contact to butt joint pole 91 again, thereby further strengthen its stability when butt joint is handled.
The vertical cross-section of butt joint pole 91 is L shape setting, and the terminal surface of butt joint pole 91 is provided with the chamfer, and is concrete, and the setting of butt joint pole 91 shape is convenient for it and fixed cover 92 form to insert to close the butt joint installation and handle, and the setting of chamfer is convenient for it and extends to fixed cover 92 and form the butt joint.
Positioning bolt 4 is countersunk positioning bolt 4, and mounting hole 3 is the countersunk mounting hole 3 of looks adaptation, and positioning bolt 4's top surface and base plate 2's top surface are located the coplanar, and is concrete, and countersunk positioning bolt 4's setting effectively improves the stability and the aesthetic property of base plate 2 installation on mounting panel 1.
The cross section of fixture block 5 is semicircular, and the maximum distance between two arc pieces 8 is unanimous with base plate 2's thickness size, and is concrete, the setting of fixture block 5 shape for two base plate 2 are at the abundant contact effect when installing through fixture block 5 and draw-in groove 6, thereby improve the stability when it docks, and the setting of arc piece 8 thickness size is convenient for the contact position of two base plates 2 forms abundant butt joint, prevents that it from producing the gap.
The working principle is as follows: when the PCB is subjected to butt joint installation treatment, the base plate 2 provided with the fixture block 5 and the clamping groove 6 of the other base plate 2 are subjected to butt joint installation treatment, so that two base plates 2 are subjected to preliminary butt joint, meanwhile, the butt joint rod 91 and the fixed sleeve 92 on the other base plate 2 are subjected to insertion installation treatment, so that the stability of the two base plates 2 in butt joint is further improved, the arrangement of the arc-shaped blocks 8 ensures that the two base plates 2 are fully butted at the arc-shaped groove 7, gaps are effectively prevented from being generated in butt joint, the attractiveness of the base plates in butt joint is improved, at the moment, the two locking semi-rings 94 are driven by the connecting semi-ring 95 to be respectively subjected to insertion treatment with the locking grooves 93 on the two base plates 2, so that the stability of the two base plates 2 in butt joint is improved again, the limiting effect of the butt joint rod 91 in the fixed sleeve 92 is effectively improved, and the two base plates 2 and the installation plate 1 which are spliced are placed, through the screw thread locking of positioning bolt 4 and mounting panel 1 to make two base plates 2 carry out location locking installation on mounting panel 1, thereby guarantee the stability of two base plates 2 when the concatenation installation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A spliced PCB circuit board comprises a mounting plate (1) and is characterized in that the mounting plate (1) further comprises
The mounting structure comprises two substrates (2), wherein the two substrates (2) are positioned on the top surface of the mounting plate (1), four mounting holes (3) are uniformly distributed on the top surface of the substrate (2), and a positioning bolt (4) extending into the mounting plate (1) is in threaded connection in each mounting hole (3);
the fixture block (5), fixture block (5) are fixed in one of them one side lateral wall of base plate (2), another draw-in groove (6) with fixture block (5) looks adaptation is seted up to the lateral wall of base plate (2), arc wall (7) have been seted up to one side lateral wall of base plate (2), the top surface and the bottom surface of fixture block (5) all are fixed with arc piece (8) with arc wall (7) matched with, two the lateral wall of base plate (2) is provided with butt joint subassembly (9).
2. Spliced PCB circuit board according to claim 1, characterised in that the docking assembly (9) comprises
Two butt-joint rods (91), wherein the two butt-joint rods (91) are fixed on the side walls of two sides of one of the base plates (2), and the side walls of two sides of the other base plate (2) are respectively fixed with a fixing sleeve (92) matched with the butt-joint rods (91);
the locking device comprises a locking groove (93), wherein the locking groove (93) is symmetrically distributed on the side walls of two sides of the substrate (2), locking semi-rings (94) matched with the butt-joint rod (91) are arranged in the locking groove (93), and a connecting semi-ring (95) is fixed between every two adjacent locking semi-rings (94).
3. The spliced PCB circuit board of claim 2, wherein the vertical section of the butt-joint rod (91) is L-shaped, and the end face of the butt-joint rod (91) is provided with a chamfer.
4. The PCB of claim 2, wherein the locking half rings (94) are distributed in a U shape, and the contact surfaces of the connecting half rings (95) and the butt-joint rods (91) are adaptive cambered surfaces.
5. The spliced PCB circuit board of claim 1, wherein the positioning bolt (4) is a countersunk positioning bolt (4), the mounting hole (3) is a matched countersunk mounting hole (3), and the top surface of the positioning bolt (4) and the top surface of the substrate (2) are located on the same plane.
6. The spliced PCB circuit board as claimed in claim 1, wherein the cross section of the fixture block (5) is semicircular, and the maximum distance between the two arc-shaped blocks (8) is consistent with the thickness of the base plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122144053.9U CN215872362U (en) | 2021-09-07 | 2021-09-07 | Concatenation formula PCB circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122144053.9U CN215872362U (en) | 2021-09-07 | 2021-09-07 | Concatenation formula PCB circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215872362U true CN215872362U (en) | 2022-02-18 |
Family
ID=80256619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122144053.9U Active CN215872362U (en) | 2021-09-07 | 2021-09-07 | Concatenation formula PCB circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215872362U (en) |
-
2021
- 2021-09-07 CN CN202122144053.9U patent/CN215872362U/en active Active
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