Pad assembly of PCB

Abstract

The utility model discloses a PCB board pad assembly, comprising a PCB board body, a lead, a launder, a fixed box, an insulation board, a hand wheel, a fixed plate, pins, a through hole, a fixed pad and an element body, the PCB board body is provided with the fixed pad, the fixed pad is provided with the through hole, the PCB board body is provided with a fixed groove at a position corresponding to the through hole, and the fixed groove is provided with a through hole. A lead is arranged at the position, close to the fixed bonding pad, of the PCB body, a flow groove is formed in the position, close to the fixed bonding pad, of the lead, a soldering tin pipe is arranged on the side, away from the lead, of the flow groove, the size of the soldering tin pipe is matched with the size of the flow groove, and an element body is arranged on the fixed bonding pad. And the element body is provided with pins at positions corresponding to the through holes. The fixing structure is simple in structure, the element body can be stably fixed, and the element body is prevented from falling off from the PCB in the welding process.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB pads, in particular to a pad assembly of a PCB board. Background Art

[0002] Pads are the basic building blocks of surface mount assembly and are used to form the pad pattern of a circuit board, i.e., a combination of pads for various special component types. Pads are also connected to the pins of the package shell through the contacts on the chip with wires, and these pins are connected to other devices through wires on the printed circuit board, thereby realizing the connection between the internal chip and the external circuit.

[0003] The existing pad assembly has a single structure and cannot be well connected to components, which causes the components to fall off during subsequent welding and increases the welding cost. Therefore, the utility model proposes a pad assembly for a PCB board to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a pad assembly of a PCB board to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pad assembly of a PCB board, comprising a PCB body, a lead, a flow groove, a fixing box, an insulating plate, a manual wheel, a fixing plate, a pin, a through hole, a fixing pad and a component body, wherein the PCB body is provided with a fixing pad, the fixing pad is provided with a through hole, a fixing groove is provided at a position corresponding to the through hole on the PCB body, a lead is provided at a position close to the fixing pad on the PCB body, a flow groove is provided at a position close to the fixing pad on the lead, a solder tube is provided on a side of the flow groove away from the lead, the size of the solder tube is adapted to the size of the flow groove, the fixing pad is provided with a component body, and a pin is provided at a position corresponding to the through hole on the component body.

[0006] Preferably, an insulating plate is provided on the lower side of the PCB body, a fixing box is provided on the insulating plate at a position corresponding to the pin, a manual wheel is provided on one side of the fixing box, and the manual wheel extends into the fixing box.

[0007] Preferably, a bidirectional screw is provided at a position in the fixing box corresponding to the manual wheel, and two fixing seats are sleeved on the bidirectional screw.

[0008] Preferably, a fixing rod is provided on the upper side of the two fixing seats, a fixing plate is provided on the side of the two fixing rods away from the fixing seat, and a fixing column is provided between the two fixing plates and the fixing rods.

[0009] Compared with the prior art, the utility model has the beneficial effects of: the utility model has a simple structure, and can fix the component body stably, thereby preventing the component body from falling off the PCB board during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0011] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0012] In the figure: 1. PCB board; 2. Lead; 3. Flow trough; 4. Fixing box; 5. Insulating plate; 6. Manual wheel; 7. Fixing plate; 8. Pin; 9. Through hole; 10. Fixing pad; 11. Component body; 12. Fixing seat; 13. Fixing rod. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0015] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] See also Figure 1-2The utility model provides a technical solution: a pad assembly of a PCB board, comprising a PCB body 1, a lead 2, a flow slot 3, a fixing box 4, an insulating plate 5, a manual wheel 6, a fixing plate 7, a pin 8, a through hole 9, a fixing pad 10 and a component body 11, the PCB body 1 is provided with a fixing pad 10, the fixing pad 10 is provided with a through hole 9, a fixing slot is provided at a position corresponding to the through hole 9 on the PCB body 1, a lead 2 is provided at a position close to the fixing pad 10 on the PCB body 1, a flow slot 3 is provided at a position close to the fixing pad 10 on the lead 2, a solder tube is provided on a side of the flow slot 3 away from the lead 2, the size of the solder tube is adapted to the size of the flow slot 3, a component body 11 is provided on the fixing pad 10, and a pin 8 is provided at a position corresponding to the through hole 9 on the component body 11.

[0017] In this embodiment, an insulating plate 5 is provided on the lower side of the PCB body 1 , a fixing box 4 is provided on the insulating plate 5 at a position corresponding to the pin 8 , a manual wheel 6 is provided on one side of the fixing box 4 , and the manual wheel 6 extends into the fixing box 4 .

[0018] In this embodiment, a bidirectional screw is provided at a position in the fixing box 4 corresponding to the manual wheel 6 , and two fixing seats 12 are sleeved on the bidirectional screw.

[0019] In this embodiment, a fixing rod 13 is disposed on the upper side of the two fixing seats 12 , a fixing plate 7 is disposed on the side of the two fixing rods 13 away from the fixing seats 12 , and a fixing column is disposed between the two fixing plates 7 and the fixing rods 13 .

[0020] Working principle: In actual use, align the pin 8 of the component body 11 with the through hole 9 in the fixed pad 10, and then use the manual wheel 6 to rotate the bidirectional screw, and drive the fixing seat 12 to move relatively, and then drive the fixing rod 13 to move, and drive the fixing plate 7 to fix the pin 8. At this time, the PCB board 1 can be welded through the lead 2 and the solder tube, and the heat loss can be reduced by setting the flow groove 3.

[0021] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0022] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pad assembly of a PCB board, characterized in that: The invention comprises a PCB body (1), a lead (2), a flow channel (3), a fixing box (4), an insulating plate (5), a manual wheel (6), a fixing plate (7), a pin (8), a through hole (9), a fixing pad (10) and a component body (11), wherein the PCB body (1) is provided with a fixing pad (10), the fixing pad (10) is provided with a through hole (9), a fixing groove is provided at a position corresponding to the through hole (9) on the PCB body (1), a lead (2) is provided at a position close to the fixing pad (10) on the PCB body (1), a flow channel (3) is provided at a position close to the fixing pad (10) on the lead (2), a solder tube is provided on a side of the flow channel (3) away from the lead (2), the size of the solder tube is adapted to the size of the flow channel (3), the fixing pad (10) is provided with a component body (11), and a pin (8) is provided at a position corresponding to the through hole (9) on the component body (11).

2. The pad assembly of a PCB board according to claim 1, characterized in that: An insulating plate (5) is provided on the lower side of the PCB body (1); a fixing box (4) is provided on the insulating plate (5) at a position corresponding to the pin (8); a manual wheel (6) is provided on one side of the fixing box (4); and the manual wheel (6) extends into the fixing box (4).

3. The pad assembly of a PCB board according to claim 2, characterized in that: A bidirectional screw is provided at a position in the fixing box (4) corresponding to the manual wheel (6), and two fixing seats (12) are sleeved on the bidirectional screw.

4. The pad assembly of a PCB board according to claim 3, characterized in that: A fixing rod (13) is provided on the upper side of the two fixing seats (12), a fixing plate (7) is provided on the side of the two fixing rods (13) away from the fixing seats (12), and a fixing column is provided between the two fixing plates (7) and the fixing rods (13).

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