WO2011106948A1

WO2011106948A1 - Connecting structure of module case

Info

Publication number: WO2011106948A1
Application number: PCT/CN2010/073181
Authority: WO
Inventors: 梁瑾; 燕金元; 李晓卫
Original assignee: 广东宝莱特医用科技股份有限公司
Priority date: 2010-03-04
Filing date: 2010-05-25
Publication date: 2011-09-09
Also published as: CN201638979U; WO2011106948A9

Abstract

A connecting structure of module case has a circuit board (2), a jack (31) and a pin (41). The jack has a shaft at one end fixedly-connected to the circuit board. A spring leaf (32) is set in the plug jack. The pin is plugged into the jack, and connected to the spring leaf continuously. A slot (42) for a module case (6) is set at the end of the pin. As the module case is plugged into the slot, the pin moves ahead by overcoming the elastic force of the spring, so as to make the pin plug into the jack more deeply and increase the contact area of the pin and the spring leaf. This structure ensures effective contact of the pin and the spring leaf. Accordingly, the module case switches on the circuit board effectively, and guarantees the steady working of the module.

Description

Module box plug structure

Technical field

The invention relates to a modular box connector structure for use in the field of medical devices.

Background technique

In the field of medical devices, commonly used medical devices include a host and a module box of various functions, and the module box and the host are electrically connected through a module box connection structure, as shown in FIG. Schematic, the contact of the host is a piston terminal I01 is fixed on the circuit board 03 by the nut 02, and the piston terminal 04II of the connection module box is set in the module slot, the piston terminal I01 and the plug terminal II04 Between the module 06 is inserted into the module slot 06, the contact of the 05 on the module box overcomes the spring force of the spring through the piston terminal II04 and contacts the piston terminal I01, thereby turning on the main unit and the module box; When the module box is inserted into the module box, if the thrust provided by the module box is insufficient, the piston terminal II04 cannot contact the piston type terminal I01 against the spring force, or is subjected to an external force during the contact process. The piston terminal II04 and the piston terminal I01 are in poor contact, thereby affecting the stable operation of the module box, and the above-mentioned piston terminal I01 and plug terminal II04 The impedance is relatively large, which is not conducive to contact, further increasing the instability of the operation of the module box; and in the above-mentioned module box connection structure, the piston terminal I01 is first removed from the circuit board, and then the circuit is replaced. The board can be disassembled before it can be repaired, otherwise maintenance work cannot be performed, which makes the operation relatively complicated.

In summary, the existing modular box connector structure has technical defects of unstable contact, inconvenience in maintenance and maintenance.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a modular box connector structure with good contact, easy maintenance and maintenance.

The technical solution adopted by the present invention is that the present invention includes a tank body, a circuit board, and a connecting shaft. The slot body is fitted with a pin shaft, and a spring is disposed between the pin shaft and the groove body, and the connection is One end of the shaft is fixedly connected to the circuit board, and the other end of the connecting shaft is provided with a jack, and one end of the connecting shaft is provided with a jack extending into the pin shaft, and the jack is provided with a spring a pin, the pin shaft is internally provided with a pin, one end of the pin is inserted into the insertion hole of the connecting shaft and is in contact with the reed, and the other end of the pin protrudes from the pin shaft There is also a module slot.

One end of the pin shaft is provided with an inverted buckle, and the pin shaft is engaged with the groove body through the reverse buckle.

The outer wall of the pin shaft is provided with a limiting protrusion, and the inner wall of the groove body is provided with a limiting groove, and the limiting protrusion cooperates with the limiting groove.

The connecting shaft is soldered to the circuit board.

The invention has the beneficial effects that: in the invention, the slot body is fitted with a pin shaft, and a spring is disposed between the pin shaft and the slot body, and one end portion of the connecting shaft is fixed to the circuit board Connecting, the other end of the connecting shaft is provided with a jack, and one end of the connecting shaft is provided with a jack extending into the pin shaft, and a reed is disposed in the jack, and the pin shaft is internally provided with a pin inserted into one end of the connecting shaft and engaged with the reed, the other end of the pin protruding from the pin shaft and provided with a module slot, the plug The needle continues to be in contact with the reed in the jack, and when the module box is inserted into the module slot of the pin, the pin shaft is subjected to a pushing force to push the pin forward against the elastic force of the spring. And inserting the insertion hole of the connecting shaft deeper, increasing the contact area of the pin with the reed, ensuring effective and good contact between the pin and the reed, thereby making the module box and the circuit board effective Turn on to ensure that the module works stably, and the impedance of the reed is small, which can further improve the contact. Energy; the present invention can be directly connected to the circuit board and the shaft during maintenance or repair removed from the cartridge patch structure, and more quickly, easily maintenance or repair operations.

DRAWINGS

1 is a schematic structural view of a conventional module box;

Figure 2 is a schematic view of the present invention;

Figure 3 is a schematic view showing the structure of the insertion module case of the present invention.

detailed description

As shown in FIG. 1, the present invention includes a tank body 1, a circuit board 2, and a connecting shaft 3, the circuit board 2 is connected to a main body of a medical device, and the slot body 1 is fitted with a pin shaft 4, the pin An end of the shaft 4 is provided with a buckle 43. The pin shaft 4 is engaged with the groove body 1 through the undercut 43. The outer wall of the pin shaft 4 is provided with a limiting protrusion 44. The inner wall of the body 1 is provided with a limiting slot 11 , the limiting protrusion 44 is matched with the limiting slot 11 , and a spring 5 is disposed between the pin shaft 4 and the slot body 1 , and the connecting shaft An end portion of the connecting shaft 3 is fixedly connected to the circuit board 2, and in the embodiment, the connecting shaft 3 is welded to the circuit board 2, and the other end of the connecting shaft 3 is provided with a jack 31, and the connecting shaft 3 is provided. One end of the insertion hole 31 extends into the pin shaft 4, and the insertion hole 31 is provided with a reed 32, and the pin shaft 4 is internally provided with a pin 41, and one end of the pin 41 is inserted into the pin The socket 31 of the connecting shaft 3 is inserted into and engaged with the reed 32, and the other end of the pin 41 protrudes from the pin shaft 4 and is provided with a module slot 42.

As shown in FIG. 3, when the module case is inserted into the module slot 42 of the pin 41, the pin shaft 4 is subjected to a pushing force to overcome the elastic force of the spring 5 to cause the pin 41 to move forward. Advancing and inserting deeper into the insertion hole 31 of the connecting shaft 3, increasing the contact area of the pin 41 with the reed 32, ensuring effective and good contact between the pin 41 and the reed 32 Therefore, the module box 6 and the circuit board 2 are effectively connected to ensure stable operation of the module. While the pin shaft 4 is advanced, the limiting protrusion 44 disposed on the pin shaft 4 is in the The limiting slot 11 is slidable. When the limiting protrusion 44 slides to the maximum stroke of the limiting slot 11, the limiting slot 44 is limited by the limiting slot 11 . The pin shaft 4 stops the pushing operation, and keeps the pin 41 in effective contact with the reed 32 in a large area; when the module case 6 is pulled out, the thrust on the pin shaft 4 is removed. The pin shaft 4 is gradually retracted by the elastic force of the spring 5, and the pin 41 gradually reduces the insertion depth in the insertion hole 31, when the pin shaft retreats to a certain extent The undercut pin shaft 4 is provided at one end portion 43 of the tank body 1 with the card into contact thereby limiting the stub shaft 4, the stub shaft 4 stops moving.

The invention can be widely applied to the field of medical devices.

Claims

A modular box connector structure, comprising: a circuit board (2), a jack (3), and a pin (41), wherein the jack (3) is provided with a shaft end and the circuit board (2) a fixed connection, a reed (21) is disposed in the jack (2), the pin (41) is inserted into the jack (3), and is in contact with the reed (21), The end of the pin (41) is provided with a module box slot (42).
The modular cassette connector structure according to claim 1, further comprising a pin shaft (4), said pin (41) being disposed inside said pin shaft (4) and said insertion The needle shaft (4) is fixedly fitted.
A modular cassette connector structure according to claim 1 or 2, characterized in that it further comprises a trough body (1), said pin shaft (4) cooperating with said trough body (1).
The modular box connector structure according to claim 3, wherein the slot body (1) is provided with a limiting portion (12), and the skirt portion of the pin shaft (4) is provided with an undercut (43). The undercut (43) is engaged with the limiting portion (12).
The module box connector structure according to claim 4, wherein the outer wall of the pin shaft (4) is provided with a limiting protrusion (44), the limiting protrusion (44) and the slot body A spring (5) is disposed between the stoppers (12) of (1).
The module box connector structure according to claim 5, wherein the inner wall of the slot body (1) is provided with a limiting slot (11), the limiting protrusion (44) and the limiting slot ( 11) Matching.
The modular cassette connector structure according to claim 1 or 2, characterized in that the connecting shaft (3) is soldered to the circuit board (2).