CN218941439U - Impedance multilayer printed circuit board - Google Patents
Impedance multilayer printed circuit board Download PDFInfo
- Publication number
- CN218941439U CN218941439U CN202320141585.3U CN202320141585U CN218941439U CN 218941439 U CN218941439 U CN 218941439U CN 202320141585 U CN202320141585 U CN 202320141585U CN 218941439 U CN218941439 U CN 218941439U
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- circuit board
- fixedly connected
- fixed
- printed circuit
- multilayer printed
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Abstract
The utility model discloses an impedance multilayer printed circuit board, which relates to the technical field of circuit boards and comprises a circuit board base, wherein a square groove is formed in the top end of the circuit board base, a circuit board body is arranged in the square groove, an arc groove is formed in the square groove, a moving assembly is arranged in the arc groove, the moving assembly comprises a fixed column, the fixed column is fixedly connected in the arc groove, a stop block is fixedly connected to the top of the fixed column, a moving rod is connected to the top of the fixed column in a sliding mode, and a sliding groove is formed in the moving rod. According to the utility model, the moving assembly is arranged, the fixed column and the moving rod are matched with each other by utilizing the design of the moving assembly, and the moving rod vertically moves outside the fixed column under the action of the first spring, so that the clamping assembly can be moved to the upper part of the convex block, the convex block can be conveniently limited by the clamping assembly, the circuit board body is arranged on the circuit board base, the operation is simple, and the maintenance, the disassembly and the installation are convenient.
Description
Technical Field
The utility model relates to the technical field of circuit boards, in particular to an impedance multilayer printed circuit board.
Background
The name of PCB is printed circuit board, also called printed circuit board, which is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components. The PCB is made by adopting an electronic printing technology, so that the PCB is called a printed circuit board, and is divided into a single panel, a double-sided board and a multi-layer board, and the PCB is combined by adopting multiple layers and has the characteristics of high frequency and high impedance.
Some multilayer printed circuit boards in the prior art are installed and used through screws, and though the multilayer printed circuit boards have strong stability, shaking cannot occur in the use process, when the circuit boards are in failure, the circuit boards can be detected and maintained after the circuit boards are detached by adopting auxiliary tools due to the strong stability, the circuit boards are required to be reinstalled and used after the maintenance, the auxiliary tools are required to operate during the installation, and the installation time is prolonged.
Therefore, it is necessary to invent an impedance multilayer printed circuit board to solve the above problems.
Disclosure of Invention
The present utility model is directed to an impedance multilayer printed circuit board, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the impedance multilayer printed circuit board comprises a circuit board base, wherein a square groove is formed in the top end of the circuit board base, a circuit board body is arranged in the square groove, and an arc groove is formed in the square groove;
the inside in circular arc groove is provided with the removal subassembly, the removal subassembly includes the fixed column, fixed column fixed connection is in the inside in circular arc groove, the top fixedly connected with dog of fixed column, the top sliding connection of fixed column has the movable rod, the spout has been seted up to the inside of movable rod, the inside of spout is provided with first spring, the bottom of first spring and the top fixed connection of dog.
Preferably, the fixed slot has been seted up to the outside of movable rod, the inside of fixed slot is provided with chucking subassembly, the inside fixedly connected with fixing base of fixed slot, the inside fixedly connected with fixed axle of fixed slot, the outside of fixed axle rotates and is connected with the stopper, the bottom fixedly connected with second spring of stopper, second spring fixedly connected with is in the inside of fixed slot.
Preferably, the top end of the moving rod is connected with a moving column in a sliding manner, and the top end of the moving column is fixedly connected with a handle.
Preferably, the bottom end of the movable column is fixedly connected with a first circular plate, and the bottom end of the first circular plate is fixedly connected with a connecting column.
Preferably, the bottom end of the connecting column is fixedly connected with a second circular plate, and one sides, close to the fixed shaft, of the plurality of limiting blocks are respectively attached to each other between the first circular plate and the second circular plate.
Preferably, the top end of the circuit board body is fixedly connected with a plurality of impedance blocks, and two sides of the circuit board body are fixedly connected with two convex blocks.
Preferably, round holes are formed in the top ends of the protruding blocks, and the round holes are slidably connected in the circular arc grooves.
The utility model has the technical effects and advantages that:
1. according to the utility model, the moving assembly is arranged, the fixed column and the moving rod are matched with each other by utilizing the design of the moving assembly, and the moving rod vertically moves outside the fixed column under the action of the first spring, so that the clamping assembly can be moved to the upper part of the convex block, the clamping assembly can conveniently limit the convex block, the circuit board body is arranged on the circuit board base, the operation is simple, and the maintenance, the disassembly and the installation are convenient.
2. According to the circuit board fixing device, the clamping assembly is arranged, the limiting block and the second spring are matched with each other, the limiting block rotates outside the fixing shaft under the action of force, when the distance between the limiting block and the fixing groove is smaller, the circuit board body is conveniently placed on the circuit board base, the external force is relieved, the limiting block resets under the action of the second spring, the limiting assembly is vertically and downwards moved through the moving assembly, the limiting block and the protruding blocks are conveniently attached to each other, and therefore the circuit board body is limited on the circuit board base.
Drawings
Fig. 1 is a schematic diagram of a circuit board structure according to the present utility model.
Fig. 2 is a schematic view of a circuit board base structure according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
Fig. 4 is a schematic diagram of a mobile column according to the present utility model.
FIG. 5 is a schematic diagram of a moving assembly according to the present utility model.
In the figure: 1. a circuit board base; 101. a square groove; 102. an arc groove; 2. a circuit board body; 201. a bump; 202. a round hole; 203. an impedance block; 3. fixing the column; 301. a stop block; 4. a moving rod; 401. a chute; 402. a fixing groove; 5. a first spring; 6. a fixing seat; 7. a fixed shaft; 8. a limiting block; 9. a second spring; 10. a moving column; 11. a handle; 12. a first circular plate; 13. a connecting column; 14. and a second circular plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an impedance multilayer printed circuit board as shown in fig. 1-5, which comprises a circuit board base 1, wherein a square groove 101 is formed in the top end of the circuit board base 1, a circuit board body 2 is arranged in the square groove 101, the circuit board body 2 is formed by mutually attaching multiple layers of circuit boards (not shown in the drawings), and an arc groove 102 is formed in the square groove 101;
the inside of circular arc groove 102 is provided with the removal subassembly, the removal subassembly includes fixed column 3, fixed column 3 fixed connection is in the inside of circular arc groove 102, the top fixedly connected with dog 301 of fixed column 3, the top sliding connection of fixed column 3 has movable rod 4, spout 401 has been seted up to the inside of movable rod 4, the inside of spout 401 is provided with first spring 5, the bottom of first spring 5 and the top fixed connection of dog 301, the top sliding connection of movable rod 4 has movable column 10, the top fixedly connected with handle 11 of movable column 10, the bottom fixedly connected with first plectane 12 of movable column 10, the bottom fixedly connected with spliced pole 13 of first plectane 12.
The bottom end of the connecting column 13 is fixedly connected with a second circular plate 14, and the first circular plate 12 and the second circular plate 14 are respectively attached to one sides of the limiting blocks 8 close to the fixed shaft 7.
According to the utility model, the moving assembly is arranged, the fixed column 3 and the moving rod 4 are matched with each other by utilizing the design of the moving assembly, the moving rod 4 vertically moves outside the fixed column 3 under the action of the first spring 5, the clamping assembly is facilitated to move to the upper part of the protruding block 201, the clamping assembly is convenient to limit the protruding block 201, the circuit board body 2 is arranged on the circuit board base 1, and the circuit board is easy to operate and convenient to maintain, disassemble and install.
Further, the moving assembly is used for helping to move the clamping assembly to the position above the protruding block 201, specifically, the handle 11 is held by the hand, when the force is applied, the handle 11 moves vertically upwards, the moving column 10 moves vertically upwards along the direction of the handle 11, the first circular plate 12 moves vertically upwards along the direction of the handle 11, the connecting column 13 moves vertically upwards along the direction of the handle 11, the second circular plate 13 moves vertically upwards along the direction of the handle 11, the moving rod 4 moves vertically upwards under the force, the first spring 5 stretches under the force, the first spring 5 is in a stretching state, the inner wall of the chute 401 and the baffle 301 are mutually attached, and the moving rod 4 stops moving.
The fixed slot 402 has been seted up to the outside of movable rod 4, and the inside of fixed slot 402 is provided with chucking subassembly, and the inside fixedly connected with fixing base 6 of fixed slot 402, the inside fixedly connected with fixed axle 7 of fixed slot 6, the outside rotation of fixed axle 7 is connected with stopper 8, the bottom fixedly connected with second spring 9 of stopper 8, second spring 9 fixed connection is in the inside of fixed slot 402.
According to the utility model, the clamping assembly is arranged, the limiting block 8 and the second spring 9 are mutually matched by utilizing the design of the clamping assembly, the limiting block 8 rotates outside the fixed shaft 7 under the action of force, when the distance between the limiting block 8 and the fixed groove 402 is smaller, the circuit board body 2 is conveniently placed on the circuit board base 1, the external force is relieved, the limiting block 8 resets under the action of the second spring 9, and the limiting assembly is vertically downward moved by the moving assembly.
Still further, help restricting the removal of circuit board body 2 through the chucking subassembly, make the circuit board body install in the inside of circuit board base 1, specifically, hand handle 11 in advance, when the atress, handle 11 carries out the vertical upward movement, move post 10 and follow the direction of handle 11 and carry out the vertical upward movement, first plectane 12 and follow the direction of handle 11 and carry out the vertical upward movement, connect post 13 and follow the direction of handle 11 and carry out the vertical upward movement, second plectane 13 and follow the direction of handle 11 and carry out the vertical upward movement, stopper 8 atress is rotated, second spring 9 atress is stretched, second spring 9 is in the tensile state, loosen handle 11, under the effect of first spring 5, movable rod 4 atress carries out the vertical downward movement, stopper 8 rotates to the direction that is close to fixed slot 402 under the effect of second spring 9, stopper 8 and lug 201 laminating each other, the stopper 8 restricts the removal of lug 201.
The top fixedly connected with a plurality of impedance blocks 203 of circuit board body 2, the both sides of circuit board body 2 all fixedly connected with two lug 201, round hole 202 has all been seted up on the top of lug 201, and round hole 202 sliding connection is in the inside of circular arc groove 102.
Claims (7)
1. An impedance multilayer printed circuit board comprising a circuit board base (1), characterized in that: a square groove (101) is formed in the top end of the circuit board base (1), a circuit board body (2) is arranged in the square groove (101), and an arc groove (102) is formed in the square groove (101);
the inside of circular arc groove (102) is provided with the removal subassembly, the removal subassembly includes fixed column (3), the inside of fixed column (3) fixed connection in circular arc groove (102), the top fixedly connected with dog (301) of fixed column (3), the top sliding connection of fixed column (3) has movable rod (4), spout (401) have been seted up to the inside of movable rod (4), the inside of spout (401) is provided with first spring (5), the top fixed connection of bottom and dog (301) of first spring (5).
2. An impedance multilayer printed circuit board according to claim 1, wherein: fixed slot (402) has been seted up to the outside of movable rod (4), the inside of fixed slot (402) is provided with chucking subassembly, the inside fixedly connected with fixing base (6) of fixed slot (402), the inside fixedly connected with fixed axle (7) of fixing base (6), the outside rotation of fixed axle (7) is connected with stopper (8), the bottom fixedly connected with second spring (9) of stopper (8), the inside at fixed slot (402) is connected with to second spring (9) fixedly.
3. An impedance multilayer printed circuit board according to claim 1, wherein: the top end of the moving rod (4) is connected with a moving column (10) in a sliding mode, and the top end of the moving column (10) is fixedly connected with a handle (11).
4. An impedance multilayer printed circuit board according to claim 3, wherein: the bottom end of the movable column (10) is fixedly connected with a first circular plate (12), and the bottom end of the first circular plate (12) is fixedly connected with a connecting column (13).
5. The resistive multilayer printed circuit board of claim 4, wherein: the bottom end of the connecting column (13) is fixedly connected with a second circular plate (14), and one sides, close to the fixed shaft (7), of the plurality of limiting blocks (8) are respectively attached to the first circular plate (12) and the second circular plate (14).
6. An impedance multilayer printed circuit board according to claim 1, wherein: the top end of the circuit board body (2) is fixedly connected with a plurality of impedance blocks (203), and two sides of the circuit board body (2) are fixedly connected with two protruding blocks (201).
7. The resistive multilayer printed circuit board of claim 6, wherein: round holes (202) are formed in the top ends of the protruding blocks (201), and the round holes (202) are connected inside the arc grooves (102) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141585.3U CN218941439U (en) | 2023-02-07 | 2023-02-07 | Impedance multilayer printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141585.3U CN218941439U (en) | 2023-02-07 | 2023-02-07 | Impedance multilayer printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218941439U true CN218941439U (en) | 2023-04-28 |
Family
ID=86066835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320141585.3U Active CN218941439U (en) | 2023-02-07 | 2023-02-07 | Impedance multilayer printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218941439U (en) |
-
2023
- 2023-02-07 CN CN202320141585.3U patent/CN218941439U/en active Active
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