CN218998406U

CN218998406U - Switch circuit board top PIN frock

Info

Publication number: CN218998406U
Application number: CN202223018902.7U
Authority: CN
Inventors: 党会周
Original assignee: Shanghai Fangyi Wanqiang Microelectronics Co ltd
Current assignee: Shanghai Fangyi Wanqiang Microelectronics Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-05-09
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a PIN jacking tool for a circuit board of a switch, which comprises a plurality of PIN jacking assemblies and a circuit board, wherein the PIN jacking assemblies are fixedly connected to the upper surface of the circuit board, each PIN jacking assembly comprises a PIN jacking head, a base and a first cylinder fixedly connected to the upper surface of the base, a driving assembly capable of adjusting the position of the PIN jacking head is arranged in the first cylinder, and the PIN jacking head is arranged at the top end of the driving assembly.

Description

Switch circuit board top PIN frock

Technical Field

The utility model relates to the technical field of circuit board thimble devices, in particular to a PIN tooling for a circuit board top of a switch.

Background

A switch is a network device for forwarding electrical signals. It can provide an unshared electrical signal path for any two network nodes accessing the switch, the most common switch being an ethernet switch. Other common telephone voice switches, optical fiber switches and the like are also arranged, a circuit board is arranged in the switch, various electronic components are integrated on the circuit board, the exchange function is realized, the circuit board is usually required to be printed with solder paste during printing operation, the components are firmly fixed on the circuit board through a reflow oven, the printing quality directly influences the welding stability of the components, and the top PIN is the most important auxiliary printing tool in the printing process.

The existing thimble heads basically adopt elastic thimble to solve the problem, and all the thimble heads can be contacted during printing through the expansion and contraction of springs; however, when the spring is compressed, a force is accumulated, so that the thimble head has an upward elastic force, and the force of the thimble head on the printing device is different, thereby affecting the printing precision.

Therefore, we propose a switch circuit board top PIN tool.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned and/or existing problems in a PIN tool for a circuit board top of a switch.

Therefore, the driving assembly is arranged in the first cylinder, the second cylinder is lifted along with the external screw thread by rotating the second cylinder and utilizing the threaded connection of the external screw thread and the threaded sleeve, the second cylinder is lifted to drive the spring to lift, and the top needle is lifted through the spring, so that the height of the top needle is adjusted, all the top needle heads are at the same height, and the problem that the printing precision is not affected at one height by the top needle heads in the background technology is solved.

A PIN frock is held up to switch circuit board, includes thimble subassembly and circuit board, the thimble subassembly has a plurality of, the equal fixed connection of thimble subassembly is at the upper surface of circuit board.

As a preferable scheme of the switch circuit board top PIN tool, the thimble assembly comprises a thimble head, a base and a first cylinder fixedly connected with the upper surface of the base.

As an optimal scheme of the switch circuit board top PIN tool, a driving assembly capable of adjusting the position of the thimble head is arranged in the first cylinder, and the thimble head is arranged at the top end of the driving assembly.

As a preferable scheme of the switch circuit board top PIN tool, the driving assembly comprises a threaded sleeve and a second cylinder, and a first inner cavity is formed in the first cylinder.

As a preferable scheme of the switch circuit board top PIN tool, the threaded sleeve is fixedly connected to the inner wall of the first inner cavity, the bottom end of the second cylinder is located in the first inner cavity, and the outer wall of the second cylinder is provided with external threads.

As a preferable scheme of the switch circuit board top PIN tool, the external threads are in threaded connection with the inner wall of the threaded sleeve, and a second inner cavity is formed in the second barrel.

As a preferable scheme of the switch circuit board top PIN tool, the top end of the second inner cavity is fixedly connected with a spring, and the top end of the spring is fixedly connected with the bottom end of the thimble head.

As a preferable scheme of the switch circuit board top PIN tool, the diameter of the top end of the top needle meets the diameter of the bottom end, and the diameter of the top end opening of the second cylinder is smaller than the diameter of the top end of the top needle.

Compared with the prior art, the method has the advantages that:

1. through setting up the drive assembly, rotate the second barrel, utilize external screw thread and threaded sleeve's threaded connection for the second barrel goes up and down along with the external screw thread, thereby the second barrel goes up and down and drives the spring and goes up and down, and drives the top needle through the spring and goes up and down, thereby adjust the height of top needle, make all top needles be in same height;

2. through setting up second inner chamber and spring, utilize when printing, spring compression drives the thimble head and moves down to hold the power, after the printing, make the thimble head reset.

Drawings

Fig. 1 is a schematic diagram of a top PIN tooling structure of a switch circuit board;

fig. 2 is a top view of a PIN fixture on the top of a circuit board of a switch;

fig. 3 is a schematic structural diagram of a PIN tool thimble assembly of a circuit board top PIN of a switch;

fig. 4 is a front view of a PIN tool thimble assembly for the circuit board top PIN of the switch.

In the figure: base 1, first barrel 2, first inner chamber 31, screw sleeve 32, external screw 33, second barrel 34, second inner chamber 35, spring 36, thimble 4, circuit board 5, switch 6.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a top PIN tool for a circuit board of a switch, which is shown in figures 1, 2, 3 and 4 and comprises a plurality of thimble assemblies and a circuit board 5, wherein the thimble assemblies are fixedly connected to the upper surface of the circuit board 5, and the thimble assemblies are important auxiliary printing tools in the printing process of the circuit board 5 and are used for working the top PIN of the circuit board 5.

The thimble assembly includes thimble head 4 and base 1, the first barrel 2 of fixed surface connection on the base 1, the inside drive assembly that can adjust thimble head 4 position that is equipped with of first barrel 2, the top at drive assembly is installed to thimble head 4, drive assembly includes screw sleeve 32 and second barrel 34, first inner chamber 31 has been seted up to the inside of first barrel 2, screw sleeve 32 fixed connection is at the inner wall of first inner chamber 31, the bottom of second barrel 34 is located inside the first inner chamber 31, the outer wall of second barrel 34 is equipped with external screw thread 33, thimble head 4 is used for contacting the detection original paper, base 1 is used for fixed connection at circuit board 5 upper surface, drive assembly is used for adjusting the height on thimble head 4 top, first barrel 2 is used for setting up drive assembly, screw sleeve 32 and external screw thread 33 threaded connection can control the lift of second barrel 34, external screw thread 33 sets up the outer wall at second barrel 34 can drive the second barrel 34 and go up and down.

The external screw thread 33 is connected with the inner wall screw thread of the screw sleeve 32, the second inner chamber 35 has been seted up to the inside of second barrel 34, the top fixed connection spring 36 of second inner chamber 35, the top of spring 36 and the bottom fixed connection of thimble head 4, the diameter of bottom is met to the diameter on the top of thimble head 4, the diameter on the top opening part of second barrel 34 is less than the diameter on thimble head 4 top, second inner chamber 35 is used for setting up spring 36, spring 36 is used for providing elasticity for thimble head 4, reset after printing for thimble head 4, be greater than second barrel 34 top opening part diameter between the top of thimble head 4 can make thimble head 4 can not break away from second barrel 34.

Working principle: specifically to the inside circuit board 5 of switch when the print job, need fix the thimble subassembly on the upper surface of circuit board 5, because there are some components on the surface of circuit board 5, lead to the upper surface roughness of circuit board 5, thereby make the top height of thimble head 4 inconsistent, need rotate second barrel 34, utilize second barrel 34 to rotate and drive external screw 33 and rotate, threaded connection through external screw 33 and threaded sleeve 32, make second barrel 34 follow external screw 33 and go up and down, thereby second barrel 34 goes up and down to drive spring 36 and go up and down, and drive thimble head 4 through spring 36 and go up and down, thereby adjust the height of thimble head 4, thereby make all thimble heads 4 all be in same height.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a switch circuit board top PIN frock, includes thimble subassembly and circuit board (5), its characterized in that, the thimble subassembly has a plurality of, the equal fixed connection of thimble subassembly is at the upper surface of circuit board (5).

2. The switch circuit board top PIN tool according to claim 1, wherein the thimble assembly comprises a thimble head (4) and a base (1), and a first cylinder (2) is fixedly connected to the upper surface of the base (1).

3. The switch circuit board top PIN tool according to claim 2, wherein a driving assembly capable of adjusting the position of the thimble head (4) is arranged in the first cylinder (2), and the thimble head (4) is arranged at the top end of the driving assembly.

4. A switch circuit board top PIN tooling according to claim 3, characterized in that the drive assembly comprises a threaded sleeve (32) and a second barrel (34), the interior of the first barrel (2) being provided with a first inner cavity (31).

5. The switch circuit board top PIN tool according to claim 4, wherein the threaded sleeve (32) is fixedly connected to the inner wall of the first inner cavity (31), the bottom end of the second cylinder (34) is located inside the first inner cavity (31), and an external thread (33) is arranged on the outer wall of the second cylinder (34).

6. The switch circuit board top PIN tool according to claim 5, wherein the external thread (33) is in threaded connection with the inner wall of the threaded sleeve (32), and a second inner cavity (35) is formed in the second cylinder (34).

7. The switch circuit board top PIN fixture according to claim 6, wherein a spring (36) is fixedly connected to the top end of the second inner cavity (35), and the top end of the spring (36) is fixedly connected to the bottom end of the top needle (4).

8. The switch circuit board top PIN fixture of claim 4, wherein the diameter of the top end of the thimble head (4) meets the diameter of the bottom end, and the diameter of the top end opening of the second cylinder (34) is smaller than the diameter of the top end of the thimble head (4).