CN220985928U - Improved structure of PCB (printed circuit board) target hole - Google Patents

Abstract

The utility model relates to the technical field of target hole improvement and discloses a PCB circuit board target hole improvement structure, which comprises a circuit top plate, wherein an electronic chip is fixedly connected to the outer surface of the upper end of the circuit top plate, a transmission wire is fixedly connected to the outer surface of one side of the electronic chip, an electronic component is fixedly connected to the outer surface of one end of the transmission wire, a positioning hole is formed in the outer surface of the upper end of the circuit top plate, a circuit bottom plate is detachably connected to the outer surface of the lower end of the circuit top plate, when the device is used, dust can be effectively blocked from being absorbed into a target column through a set target hole top cover, and a target Kong Dinggai can be turned over under the cooperation of a fixed round rod, a fixed sliding block, a cross rod hole, a movable baffle and a fixed cross rod, so that normal use of the target column is not influenced, meanwhile, workers can be assisted in distinguishing front and back sides under the action of a triangle mark, working efficiency is improved, and a better use prospect is brought.

Description

Improved structure of PCB (printed circuit board) target hole

Technical Field

The utility model relates to the technical field of target hole improvement, in particular to a target hole improvement structure of a PCB (printed circuit board).

Background

The PCB is called a printed circuit board, also called a printed circuit board, which is an important electronic component, is a support for the electronic components, is a carrier for the electronic components to be electrically connected with each other, is called a printed circuit board because the PCB is manufactured by adopting an electronic printing technology, almost has the dual functions of a conductive circuit and an insulating base plate as long as the PCB is provided with electronic components such as an integrated circuit and the like, and is small enough for electronic watches, calculators, computers, communication electronic equipment and military weapon systems.

It still has some drawbacks such as: the target Kong Daduo of PCB circuit board exposes outside, in the use, has the dust attached to its inside, brings inconvenience for staff's work, influences the efficiency of milling an limit and test to the PCB circuit board when using, can not make the staff distinguish the positive and negative fast, makes the staff need spend extra time and is used for distinguishing, reduces work efficiency, and the target hole appears the phenomenon of deformation easily in the use simultaneously, reduction in production efficiency.

In order to solve the above problems, the present application provides an improved structure of a target hole of a PCB.

Disclosure of utility model

The utility model aims to provide an improved structure of a target hole of a PCB (printed Circuit Board) so as to solve the problems of lower edge milling and testing efficiency and dust intake in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PCB circuit board target hole improvement structure, includes the circuit roof, the upper end surface fixedly connected with electronic chip of circuit roof, one side surface fixedly connected with transmission wire of electronic chip, the one end surface fixedly connected with electronic components of transmission wire, the locating hole has been seted up to the upper end surface of circuit roof, the lower extreme surface of circuit roof can be dismantled and be connected with the circuit bottom plate, the upper end surface fixedly connected with target post subassembly of circuit bottom plate, target post subassembly is including target stand, fixed horizontal pole, fixed slot, connection baffle, target Kong Dinggai, triangle mark, fixed round bar, fixed slider, horizontal pole hole and movable baffle, the upper end surface fixedly connected with target stand of circuit bottom plate, the inner wall fixedly connected with of target stand is fixed the horizontal pole.

Preferably, the welding disc is fixedly connected to the outer surface of the upper end of the circuit bottom plate, the limit groove is formed in the outer surface of the upper end of the circuit bottom plate, and the fixing groove is formed in the outer surface of the upper end of the target column.

Preferably, the upper end surface activity of fixed slot has cup jointed the connection baffle, one side surface fixedly connected with target Kong Dinggai of connection baffle, the upper end surface fixedly connected with triangle mark of target hole top cap.

Preferably, the lower extreme surface fixedly connected with fixed round bar of target hole top cap, fixed slider has been cup jointed in the outer wall activity of fixed round bar, the horizontal pole hole has been seted up to the outer surface of one side of fixed slider, the outer wall swing joint of target Kong Dinggai has movable baffle.

Preferably, the target stand is including arc recess, spacing ring, fixed ring and wear-resisting gasket, the arc recess has been seted up to the inner wall of target stand, the fixed spacing ring that has cup jointed of inner wall of arc recess.

Preferably, the inner wall fixedly connected with fixed ring of spacing ring, the inner wall fixedly connected with wear-resisting gasket of fixed ring.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, dust is effectively prevented from being absorbed into the target stand column through the set target hole top cover, and the target Kong Dinggai can be turned over under the cooperation of the fixed round rod, the fixed sliding block, the cross rod hole, the movable baffle and the fixed cross rod, so that the normal use of the target stand column is not affected, and meanwhile, workers can be assisted to distinguish the front side from the back side under the action of the triangular mark, and the working efficiency is improved.

According to the utility model, the limiting ring is fixed in the arc-shaped groove, so that the fixed ring is prevented from separating from the target upright post, and the fixed ring and the wear-resistant gasket are both made of metal materials, so that the deformation phenomenon of the target hole can be effectively reduced, the abrasion of the target hole is reduced, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the whole structure of an improved structure of a PCB target hole of the present utility model;

Fig. 2 is a schematic diagram of the overall structure of a circuit board with a modified structure of a target hole of a PCB circuit board according to the present utility model;

FIG. 3 is a schematic diagram showing the overall structure of a target column assembly in an improved structure of a PCB target hole of the present utility model;

FIG. 4 is a schematic diagram showing the overall structure of a target column in an improved structure of a target hole of a PCB according to the present utility model;

In the figure: 1. a line roof; 2. an electronic chip; 3. a transmission wire; 4. an electronic component; 5. positioning holes; 6. a circuit base plate; 7. a welding plate; 8. a limit groove; 9. a target column assembly; 10. fixing the cross bar; 11. a fixing groove; 12. a connecting baffle; 13. a target Kong Dinggai; 14. triangle marks; 15. fixing the round rod; 16. a fixed slide block; 17. a cross bar hole; 18. a movable baffle; 19. an arc-shaped groove; 20. a limit circular ring; 21. fixing the circular ring; 22. wear-resistant gaskets; 23. and a target column.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a PCB circuit board target hole improvement structure, including circuit roof 1, circuit roof 1's upper end surface fixedly connected with electronic chip 2, one side surface fixedly connected with transmission wire 3 of electronic chip 2, the one end surface fixedly connected with electronic components 4 of transmission wire 3, locating hole 5 has been seted up to circuit roof 1's upper end surface, circuit roof 1's lower extreme surface detachably connected with circuit bottom plate 6, circuit bottom plate 6's upper end surface fixedly connected with target post subassembly 9, target post subassembly 9 is including target stand 23, fixed horizontal pole 10, fixed slot 11, connection baffle 12, target Kong Dinggai, triangle mark 14, fixed round bar 15, fixed slider 16, horizontal pole hole 17 and movable baffle 18, circuit bottom plate 6's upper end surface fixedly connected with target stand 23, target stand 23's inner wall fixedly connected with fixed horizontal pole 10.

In this embodiment, as shown in fig. 3, the welding disk 7 is fixedly connected to the outer surface of the upper end of the circuit bottom plate 6, the limit groove 8 is formed in the outer surface of the upper end of the circuit bottom plate 6, the fixing groove 11 is formed in the outer surface of the upper end of the target position upright post 23, the connecting baffle 12 is movably sleeved on the outer surface of the upper end of the fixing groove 11, the target position Kong Dinggai is fixedly connected to one side outer surface of the connecting baffle 12, the triangular mark 14 is fixedly connected to the outer surface of the upper end of the target position hole top cover 13, the front and back of the target position hole are conveniently distinguished by workers through the triangular mark 14, the reject ratio is reduced, the fixed round rod 15 is fixedly connected to the outer surface of the lower end of the target position hole top cover 13, the fixed round rod 15 is movably sleeved on the outer wall of the fixed round rod 15, the cross rod hole 17 is formed in one side outer surface of the fixed slide rod 16, the movable baffle 18 is movably connected to the outer wall of the target position hole top cover 13, the fixed slide rod 16 is fixed on the outer wall of the fixed round rod 15, the fixed cross rod 10 passes through the cross rod 17, workers press the target position Kong Dinggai downwards in the use process, and the dust is blocked by the top cover 10 under the cooperation of the movable baffle 18 and the fixed slide rod 16 and the top cover 10, the target position top cover 13 is in the normal position, and the service life is prolonged.

In this embodiment, as shown in fig. 4, the target stand 23 includes an arc groove 19, a limit ring 20, a fixed ring 21 and a wear-resistant pad 22, the inner wall of the target stand 23 is provided with the arc groove 19, the inner wall of the arc groove 19 is fixedly sleeved with the limit ring 20, the limit ring 20 is fixed in the arc groove 19, the inner wall of the limit ring 20 is fixedly connected with the fixed ring 21, the fixed ring 21 is prevented from being separated from the device, the inner wall of the fixed ring 21 is fixedly connected with the wear-resistant pad 22, the wear of the target stand 23 is reduced under the action of the wear-resistant pad 22, the deformation of a target hole is prevented, and the edge milling and the testing efficiency are improved.

Working principle:

Firstly, after the circuit top plate 1 is fixed by utilizing the locating hole 5, the target Kong Dinggai is pressed downwards, at this time, the fixed sliding block 16 connected with the fixed round rod 15 slides along the fixed cross rod 10, and the number of the fixed round rod 15, the fixed sliding block 16 and the fixed cross rod 10 is two groups, so that the target hole top cover 13 is positioned on the inner wall of the target upright 23, after the use is finished, the target hole top cover 13 returns to the original position by matching with the two groups of movable baffles 18 on the outer wall of the target Kong Dinggai, the effect of shielding dust is achieved, the dust intake is effectively reduced, the service life of the device is prolonged, the limiting ring 20 is fixed in the arc-shaped groove 19, the fixed ring 21 is prevented from being separated from the device, and the wear-resisting gasket 22 is made of metal materials and is arranged on the upper layer and the lower layer of the target upright 23, so that the abrasion of the target upright 23 is effectively reduced, the deformation of the target hole is avoided, and the edge milling and the testing efficiency is improved.

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.

Claims (6)

1. The utility model provides a PCB circuit board target position hole improvement structure, includes circuit roof (1), its characterized in that: the electronic chip (2) is fixedly connected to the outer surface of the upper end of the circuit top plate (1), a transmission wire (3) is fixedly connected to the outer surface of one side of the electronic chip (2), an electronic component (4) is fixedly connected to the outer surface of one end of the transmission wire (3), and a positioning hole (5) is formed in the outer surface of the upper end of the circuit top plate (1);

The circuit bottom plate (6) is detachably connected to the outer surface of the lower end of the circuit top plate (1), the target column assembly (9) is fixedly connected to the outer surface of the upper end of the circuit bottom plate (6), the target column assembly (9) comprises a target column (23), a fixed cross rod (10), a fixed groove (11), a connecting baffle (12), a target Kong Dinggai (13), a triangular mark (14), a fixed round rod (15), a fixed sliding block (16), a cross rod hole (17) and a movable baffle (18), the target column (23) is fixedly connected to the outer surface of the upper end of the circuit bottom plate (6), and the fixed cross rod (10) is fixedly connected to the inner wall of the target column (23).

2. The improved structure of a target hole of a PCB circuit board according to claim 1, wherein: the upper end surface fixedly connected with welding dish (7) of circuit bottom plate (6), spacing groove (8) have been seted up to the upper end surface of circuit bottom plate (6), fixed slot (11) have been seted up to the upper end surface of target stand (23).

3. The improved structure of the target hole of the PCB according to claim 2, wherein: the upper end surface activity of fixed slot (11) has cup jointed connection baffle (12), one side surface fixedly connected with target Kong Dinggai (13) of connection baffle (12), the upper end surface fixedly connected with triangle mark (14) of target Kong Dinggai (13).

4. The improved structure of the target hole of the PCB according to claim 3, wherein: the outer surface of the lower end of the target Kong Dinggai (13) is fixedly connected with a fixed round rod (15), the outer wall of the fixed round rod (15) is movably sleeved with a fixed sliding block (16), a cross rod hole (17) is formed in the outer surface of one side of the fixed sliding block (16), and the outer wall of the target Kong Dinggai (13) is movably connected with a movable baffle (18).

5. The improved structure of a target hole of a PCB circuit board according to claim 1, wherein: the target stand (23) comprises an arc-shaped groove (19), a limiting ring (20), a fixed ring (21) and a wear-resistant gasket (22), wherein the arc-shaped groove (19) is formed in the inner wall of the target stand (23), and the limiting ring (20) is fixedly sleeved on the inner wall of the arc-shaped groove (19).

6. The improved structure of the target hole of the PCB according to claim 5, wherein: the inner wall of the limiting ring (20) is fixedly connected with a fixed ring (21), and the inner wall of the fixed ring (21) is fixedly connected with a wear-resistant gasket (22).