CN216721671U - Multilayer composite circuit board for high-frequency circuit - Google Patents
Multilayer composite circuit board for high-frequency circuit Download PDFInfo
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- CN216721671U CN216721671U CN202122516811.5U CN202122516811U CN216721671U CN 216721671 U CN216721671 U CN 216721671U CN 202122516811 U CN202122516811 U CN 202122516811U CN 216721671 U CN216721671 U CN 216721671U
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Abstract
The utility model relates to the field of high-frequency circuits, and discloses a multilayer composite circuit board for a high-frequency circuit, which comprises a second circuit board, two first strip-shaped through grooves are symmetrically formed in the upper end of the second circuit board, two second strip-shaped through grooves are symmetrically formed in the lower end of the second circuit board, two polished rods are symmetrically and fixedly mounted in the second circuit board, the two polished rods are arranged in parallel along the arrangement direction, the two polished rods are both provided with a return spring, the two polished rods are slidably sleeved with a first limit shifting plate and the rear end of a second limit shifting plate, and first spacing group board is located the spacing board below of dialling of second, two rectangle through grooves have all been seted up to second circuit board front end symmetry, two first spacing group board and two spacing group board front ends of second activity respectively run through in two rectangle through grooves to extend to second circuit board front side. The utility model is convenient to install and disassemble, has good installation stability, simple and convenient operation and high practicability.
Description
Technical Field
The utility model relates to the technical field of high-frequency circuits, in particular to a multilayer composite circuit board for a high-frequency circuit.
Background
The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The existing composite circuit board is troublesome in assembly, difficult to assemble and disassemble quickly and poor in assembly stability, and further provides the multilayer composite circuit board for the high-frequency circuit.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multilayer composite circuit board for a high-frequency circuit, which solves the problems in the background technology.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a multilayer composite circuit board for a high-frequency circuit comprises a second circuit board, a first circuit board and a third circuit board, wherein two first strip-shaped through grooves are symmetrically formed in the upper end of the second circuit board, two second strip-shaped through grooves are symmetrically formed in the lower end of the second circuit board, two polished rods are symmetrically and fixedly installed in the second circuit board and are arranged in parallel along the arrangement direction, reset springs are arranged on the two polished rods, a first limiting shifting plate and the rear end of a second limiting shifting plate are slidably sleeved on the two polished rods, the first limiting shifting plate is positioned below the second limiting shifting plate, two rectangular through grooves are symmetrically formed in the front end of the second circuit board, the front ends of the two first limiting shifting plates and the two second limiting shifting plates respectively and movably penetrate through the two rectangular through grooves and extend to the front side of the second circuit board, and the upper ends of the two second limiting shifting plates, and be located polished rod rear side position fixed mounting and have third triangle stopper, first spacing group board lower extreme, and be located polished rod rear side position fixed mounting and have fourth triangle stopper, the laminating of third triangle stopper front end face has first triangle stopper, first triangle stopper fixed mounting is in terminal surface under the spacing cardboard of first L type, two the equal activity of the spacing cardboard upper end of first L type runs through in two first bar logical grooves, and symmetry fixed mounting is on terminal surface under the first power plate, the laminating of fourth triangle stopper front end face has second triangle stopper, second triangle stopper fixed mounting is in the spacing cardboard up end of second L type, two the equal activity of the spacing cardboard lower extreme of second L type runs through in two second bar logical grooves, and symmetry fixed mounting is on the second power plate up end.
Preferably, the left end and the right end of the first limiting shifting plate and the second limiting shifting plate are fixedly provided with guide rods, the other ends of the guide rods are sleeved on vertical guide rods in a sliding mode along the vertical direction, the vertical guide rods are sleeved with springs, and the vertical guide rods are fixedly installed on the inner wall of the second circuit board in an embedded mode.
Preferably, the lower end face of the first triangular limiting block, the upper end face of the second triangular limiting block, the upper end face of the third triangular limiting block and the lower end face of the fourth triangular limiting block are smooth inclined planes.
Preferably, both ends all slide with the rectangle logical groove along vertical direction and laminate about first spacing group board and the second is spacing group board.
Preferably, the first L-shaped limiting left and right end faces are in sliding fit with the inner wall of the first strip-shaped through groove, and the second L-shaped limiting left and right end faces are in sliding fit with the inner wall of the second strip-shaped through groove.
Preferably, the front end parts of the first limiting shifting plate and the second limiting shifting plate are provided with anti-skid grains.
Preferably, the lower end surfaces of the first circuit board and the second circuit board, and the upper end surfaces of the second circuit board and the third circuit board are provided with anti-skid grains.
The utility model has the beneficial effects that: through being provided with first spacing group board, the spacing cardboard of dialling of second, the spacing cardboard of first L type, first triangle stopper, first bar lead to groove, second triangle stopper, the spacing cardboard of second L type, fourth triangle stopper, reset spring and second bar lead to groove etc. can be convenient for to first circuit board and third circuit board to second circuit board quick dismantlement and fixed mounting, and stability is good, and the practicality is high. The utility model is convenient to install and disassemble, has good installation stability, simple and convenient operation and high practicability.
Drawings
Fig. 1 is a schematic structural diagram of a multilayer composite circuit board for a high-frequency circuit according to the present invention.
Fig. 2 is an exploded view of a multilayer composite circuit board for a high frequency circuit according to the present invention.
Fig. 3 is a bottom view of a second circuit board of the multilayer composite circuit board for high frequency circuit according to the present invention.
Fig. 4 is a cross-sectional view of a second circuit board of the multilayer composite circuit board for high frequency circuit according to the present invention.
The reference numbers in the figures: the circuit board comprises a first circuit board 1, a second circuit board 2, a third circuit board 3, a first limiting shifting plate 4, a second limiting shifting plate 5, a rectangular through groove 6, a first L-shaped limiting clamping plate 7 and a first triangular limiting block 8;
9 a first strip-shaped through groove, 10 a second triangular limiting block, 11 a second L-shaped limiting clamping plate, 12 a polished rod, 13 a third triangular limiting block, 14 a guide rod, 15 a fourth triangular limiting block, 16 a return spring and 17 a second strip-shaped through groove.
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.
Example 1
Referring to fig. 1-4, a multilayer composite circuit board for high frequency circuit, comprising a second circuit board 2, two first bar-shaped through slots 9 symmetrically formed on the upper end of the second circuit board 2, two second bar-shaped through slots 17 symmetrically formed on the lower end of the second circuit board 2, two polish rods 12 symmetrically and fixedly mounted inside the second circuit board 2, and the two polish rods 12 are arranged in parallel along the arrangement direction, a return spring 16 is arranged on each polish rod 12, a first position-limiting dial plate 4 and the rear end of a second position-limiting dial plate 5 are slidably mounted on the two polish rods 12, the first position-limiting dial plate 4 is positioned below the second position-limiting dial plate 5, two rectangular through slots 6 are symmetrically formed on the front end of the second circuit board 2, the front ends of the two first position-limiting dial plates 4 and the two second position-limiting dial plates 5 respectively and movably penetrate through the two rectangular through slots 6 and extend to the front side of the second circuit board 2, and the upper ends of the two second position-limiting dial plates 5, and be located polished rod 12 rear side position fixed mounting and have third triangle stopper 13, 4 lower extremes of board are dialled to first spacing, and be located polished rod 12 rear side position fixed mounting and have fourth triangle stopper 15, the laminating of third triangle stopper 13 front end face has first triangle stopper 8, first triangle stopper 8 fixed mounting is in the terminal surface under the spacing cardboard 7 of first L type, two equal activities of the spacing cardboard 7 upper end of first L type run through in two first bar logical grooves 9, and symmetry fixed mounting is on terminal surface under the first power board, the laminating of terminal surface has second triangle stopper 10 before the fourth triangle stopper 15, second triangle stopper 10 fixed mounting is in the spacing cardboard 11 up end of second L type, two equal activities of the spacing cardboard 11 lower extreme of second L type run through in two second bar logical grooves 17, and symmetry fixed mounting is on the second power board up end.
The working principle is as follows: during installation, insert first L type spacing cardboard 7 from first bar logical groove 9 in second circuit board 2, and promote first circuit board 1 forward and drive first triangle stopper 8 antedisplacement through first L type spacing cardboard 7, when first triangle stopper 8 contacts with second triangle stopper 10, promote third triangle stopper 13 and move down, and then drive the spacing board 5 of dialling of second and move down, reset spring 16 is compressed, produce elastic deformation, when first triangle stopper 8 separates with third triangle stopper 13, the spacing board of dialling of second shifts up and resets, and then drive third triangle stopper 13 and move up and reset, and then can block spacing to first triangle stopper 8, and then can realize the fixed of first circuit board 1 with second circuit board 2, insert second L type spacing cardboard 11 from second bar logical groove 17 in second circuit board 2, and promote third circuit board 3 forward and drive second triangle stopper through second L type spacing cardboard 11 10 move forward, when second triangle stopper 10 contacts with fourth triangle stopper 15, promote fourth triangle stopper 15 to move up, and then drive first spacing group board 4 and move up, reset spring 16 is compressed, produces elastic deformation, when second triangle stopper 10 separates with fourth triangle stopper 15, first spacing group board moves down to reset, and then drives fourth triangle stopper 15 and moves down to reset, and then can block second triangle stopper 10 spacing, and then can realize the fixed of third circuit board 3 and second circuit board 2. During the separation, will first spacing dial board 4 and the spacing 5 relative movements of dialling of second, and then make first triangle limiting plate and third triangle limiting plate phase separation, the spacing and fourth corner limiting block phase separation of second triangle, then extract the logical inslot 9 of the spacing cardboard 7 of first L type from first bar, it can to extract the logical inslot 17 of the logical groove of second L type 11 follow second bar.
Example 2
Referring to fig. 1-4, a multilayer composite circuit board for a high frequency circuit, in this embodiment, compared with the first embodiment, the multilayer composite circuit board further includes a first limiting shifting plate 4, a second limiting shifting plate 5, a first triangular limiting block 8, a second triangular limiting block 10, a third triangular limiting block 13, a fourth triangular limiting block 15, a first limiting shifting plate 4, a second limiting shifting plate 5, a first L-shaped limiting block, a second L-shaped limiting block, a first circuit board 1, a second circuit board 2, and a third circuit board 3, wherein the left and right ends of the first limiting shifting plate 4 and the second limiting shifting plate 5 are both fixedly installed with a guide rod 14, the other end of the guide rod 14 is slidably sleeved on a vertical guide rod along the vertical direction, the vertical guide rod is sleeved with a spring, the vertical guide rod is embedded and fixedly installed on the inner wall of the second circuit board 2, the lower end surface of the first triangular limiting block 8, the upper end surface of the second triangular limiting block 10, the upper end surface of the third triangular limiting block 13, and the lower end surface of the fourth triangular limiting block 15 are both smooth inclined surfaces, first spacing group board 4 and second are spacing group about board 5 both ends all lead to groove 6 with the rectangle and follow vertical direction and slide the laminating, both ends face and the logical groove 9 inner wall of first bar about first L type is spacing to slide the laminating, both ends face and the logical groove 17 inner wall of second bar about the second L type is spacing to slide the laminating, first spacing group board 4 and the spacing preceding tip of dialling of second board 5 all are provided with anti-skidding line, terminal surface under first circuit board 1 and the second circuit board 2, second circuit board 2 and the 3 up end of third circuit board all are provided with anti-skidding line.
The working principle is as follows: when first spacing pulling out board and the spacing board atress of pulling out of second removed, guide bar 14 slides on vertical guide arm, and the spring is compressed, when first spacing pulling out board and the spacing board no longer atress of pulling out of second removed, the spring resumes deformation, and then drives first spacing 4 and the spacing 5 resets of dialling of second.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
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 (7)
1. A multilayer composite circuit board for a high-frequency circuit comprises a second circuit board (2), a first circuit board (1) and a third circuit board (3), and is characterized in that two first strip-shaped through grooves (9) are symmetrically formed in the upper end of the second circuit board (2), two second strip-shaped through grooves (17) are symmetrically formed in the lower end of the second circuit board (2), two polished rods (12) are symmetrically and fixedly mounted inside the second circuit board (2), the two polished rods (12) are arranged in parallel along the arrangement direction, reset springs (16) are arranged on the two polished rods (12), a first limiting shifting plate (4) and the rear end of a second limiting shifting plate (5) are slidably sleeved on the two polished rods (12), the first limiting shifting plate (4) is located below the second limiting shifting plate (5), two rectangular through grooves (6) are symmetrically formed in the front end of the second circuit board (2), the front ends of the two first limiting shifting plates (4) and the two second limiting shifting plates (5) respectively and movably penetrate through the two rectangular through grooves (6) and extend to the front side of the second circuit board (2), the upper ends of the two second limiting shifting plates (5) are fixedly arranged at the rear side of the polished rod (12) and are fixedly provided with third triangular limiting blocks (13), the lower ends of the first limiting shifting plates (4) are fixedly arranged at the rear side of the polished rod (12) and are fixedly provided with fourth triangular limiting blocks (15), the front end faces of the third triangular limiting blocks (13) are attached with first triangular limiting blocks (8), the first triangular limiting blocks (8) are fixedly arranged at the lower end faces of the first L-shaped limiting clamping plates (7), the upper ends of the two first L-shaped limiting clamping plates (7) both movably penetrate through the two first strip-shaped through grooves (9) and are symmetrically and fixedly arranged on the lower end faces of the first power board, the laminating of terminal surface has second triangle stopper (10) before fourth triangle stopper (15), second triangle stopper (10) fixed mounting is in the spacing cardboard of second L type (11) up end, two the equal activity of the spacing cardboard of second L type (11) lower extreme runs through in two second bar logical grooves (17), and symmetry fixed mounting is on second power board up end.
2. The multilayer composite circuit board for the high-frequency circuit according to claim 1, wherein the left and right ends of the first limiting shifting plate (4) and the second limiting shifting plate (5) are fixedly provided with guide rods (14), the other ends of the guide rods (14) are slidably sleeved on vertical guide rods along the vertical direction, the vertical guide rods are sleeved with springs, and the vertical guide rods are embedded and fixedly arranged on the inner wall of the second circuit board (2).
3. The multilayer composite circuit board for high-frequency circuits according to claim 1, wherein the lower end surface of the first triangular limiting block (8), the upper end surface of the second triangular limiting block (10), the upper end surface of the third triangular limiting block (13) and the lower end surface of the fourth triangular limiting block (15) are smooth inclined surfaces.
4. The multilayer composite circuit board for the high-frequency circuit according to claim 1, wherein the left and right ends of the first and second limiting shifting plates (4, 5) are in sliding fit with the rectangular through groove (6) in the vertical direction.
5. The multilayer composite circuit board for a high-frequency circuit according to claim 1, wherein the first L-shaped limit left and right end faces are in sliding contact with the inner wall of the first strip-shaped through groove (9), and the second L-shaped limit left and right end faces are in sliding contact with the inner wall of the second strip-shaped through groove (17).
6. The multilayer composite circuit board for high-frequency circuits according to claim 1, wherein the front end portions of the first and second limiting shifting plates (4, 5) are provided with anti-slip threads.
7. The multilayer composite circuit board for high-frequency circuits according to claim 1, wherein the lower end surfaces of the first circuit board (1) and the second circuit board (2), and the upper end surfaces of the second circuit board (2) and the third circuit board (3) are provided with anti-slip patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122516811.5U CN216721671U (en) | 2021-10-19 | 2021-10-19 | Multilayer composite circuit board for high-frequency circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122516811.5U CN216721671U (en) | 2021-10-19 | 2021-10-19 | Multilayer composite circuit board for high-frequency circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216721671U true CN216721671U (en) | 2022-06-10 |
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ID=81875856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122516811.5U Active CN216721671U (en) | 2021-10-19 | 2021-10-19 | Multilayer composite circuit board for high-frequency circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216721671U (en) |
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2021
- 2021-10-19 CN CN202122516811.5U patent/CN216721671U/en active Active
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