CN2488193Y - Zero inserting force connector - Google Patents

Abstract

The utility model discloses a zero insertion force connector, which comprises an insulating base, a cover body connected to the insulating base, several terminals and a driving part. The base is provided with a terminal accommodating groove corresponding to the accommodating terminal, and a seat hole is opened at one end thereof. The cover body is slidably covered on the surface of the base, and one end of the cover body is provided with a cover hole corresponding to the seat hole. The driving part includes a handle, a rotating shaft and a driving part, and the rotating shaft and the driving part are respectively accommodated in the seat hole and the cover hole and can rotate. When the connector is used in practice, the cover body can be moved relative to the base by turning the handle without external tools, so that the circuit between the connector and the connected components can be disconnected or conducted.

Description

Zero Insertion Force Connector

The utility model relates to a zero insertion force connector, in particular to a zero insertion force connector with an improved driving component.

Please refer to the content disclosed in Taiwan Patent Application No. 85107705 for the structure of the existing ZIF connector for receiving components such as the CPU. The conventional ZIF connector includes an insulating base accommodating a plurality of conductive terminals, a sliding member and a vertical eccentric cam. The vertical eccentric cam is mechanically coupled to the drive member of the insulating base, so that the sliding member can slide between the open position and the closed position relative to the insulating base, so that the pins of the components received by the connector and the conductive contact of the insulating base The terminals are separated or in contact. However, the movement of the sliding member relative to the insulating base can only be realized by rotating the vertical eccentric cam with an external tool (such as a flathead screwdriver, etc.). Therefore, no matter inserting or taking out components, additional tools are required, which brings inconvenience to the operator.

Therefore, there is a need for an improved ZIF connector to overcome the above disadvantages.

The main purpose of the present invention is to provide a zero-insertion force connector, which is easy to operate and allows users to insert or remove components conveniently without using any tools.

The purpose of the utility model is achieved in the following way: the zero insertion force connector includes an insulating base arranged on the circuit board, a cover body connected to the insulating base, several terminals and a driving part. The insulating base is provided with a plurality of terminal accommodating grooves corresponding to receiving terminals, and one end of the insulating base is provided with a seat hole. The cover body is assembled on the insulating base in a slidable manner, and a through hole corresponding to the terminal receiving groove of the base is provided on it to receive the pin of the component, and a seat with the base is provided at one end of the cover body The holes correspond to the cover holes. The driving part includes a handle, a driving part extending downward from one end of the handle, and a rotating shaft extending integrally from the bottom surface of the driving part. The handle can make the rotating shaft and the driving part rotate in the corresponding hole, and then drive the cover to move between the open position and the closed position. In the open position, the component pins are separated from the terminals, and in the closed position, the component pins are separated from the terminals. Electrical conduction.

Due to the adoption of the above solution, the zero insertion force connector of the present invention is easy to operate, and the user can conveniently insert or remove components without using any tools.

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a three-dimensional exploded view of the zero insertion force connector of the present invention and the components it receives.

FIG. 2 is a three-dimensional assembled view of the zero insertion force connector of the present invention shown in FIG. 1 and the components it receives.

Fig. 3 is a schematic diagram of the assembly of the driver of the zero insertion force connector of the present invention.

Fig. 4 is a side view of the driver of the zero insertion force connector of the present invention.

5 is a partial cross-sectional view of the relative positional relationship of the components of the ZIF connector of the present invention when the cover body is in the open position, that is, the element pins are separated from the terminals.

Fig. 6 is a partial cross-sectional view of the relative positions of the components when the cover of the zero insertion force connector of the present invention is in the closed position, that is, when the element pins are in contact with the terminals.

FIG. 7 is a schematic diagram of the cooperation between the driving part and other components of the zero insertion force connector of the present invention shown in FIG. 4 .

FIG. 8 is a schematic diagram of the cooperation between the driving part and other components of the zero insertion force connector of the present invention shown in FIG. 5 .

Please refer to Figure 1 and Figure 2, the utility model zero insertion force connector includes an insulating base 2, a number of conductive terminals 4 accommodated in the insulating base 2 (as shown in Figure 5 and Figure 6), covering the upper surface of the insulating base 2 22 cover body 1 and driver 3 .

The insulating base 2 is roughly a square plate body, and two protrusions 20 extend outwards from its opposite side edges respectively, and on the four corners of the bottom surface where the insulating base 2 is connected to the circuit board (not shown), respectively Legs 21 are formed to support and raise the connector. The insulating base 2 is provided with a plurality of terminal accommodating grooves 25 for accommodating the corresponding conductive terminals 4 so as to provide electrical paths from the received components 5 to the circuit board. A slightly oval seat hole 24 is formed in the middle of one end of the insulating base 2 , and the seat hole 24 penetrates the upper and lower surfaces 22 , 23 of the insulating base 2 .

The cover 1 is slidably connected to the insulating base 2 , and is composed of a main body 10 and a protrusion 12 extending from one side of the main body 10 . The cover body 1 is provided with a plurality of through holes 14 corresponding to the terminal receiving grooves 25 of the insulating base 2, and the two opposite side edges of the cover body 1 are bent and extended downward to form a side plate body 13, and the inner surface of the side plate body 13 is provided with The sliding groove 15 is used for the protrusion 20 of the corresponding insulating base 2 to bear against and slide therein, so that the cover body 1 will not be separated from the insulating base 2 in the vertical direction. A circular cover hole 120 is provided at the central position of the protrusion 12 of the cover body 1 relative to the seat hole 24 of the insulating base 2, and the cover hole 120 cooperates with the seat hole 24 to accommodate the corresponding part of the driving member 3 (details will be described later). ), and an arc-shaped groove 121 communicating with the cover hole 120 is further formed by recessing at an appropriate position on the wall of the cover hole 120 . Both sides of the upper surface of the cover body 1 are provided with a groove 16 respectively, and the groove 16 can provide the operator with a certain grasping space when inserting or taking out the element 5, which is convenient for operation.

Please refer to Fig. 3 and Fig. 4, the driving part 3 of the zero insertion force connector of the present invention includes a handle 30, a driving part 31 extending downward from one end of the handle 30, and a driving part integrally extending from the bottom surface of the driving part 31. Shaft 32. Both the driving part 31 and the rotating shaft 32 are cylindrical in shape, the diameter of the rotating shaft 32 is smaller than that of the driving part 31 , and the central axis of the rotating shaft 32 deviates from the central axis of the driving part 31 by a certain distance. The above-mentioned rotating shaft 32 and the driving part 31 are accommodated in the seat hole 24 of the insulating base 2 and the cover hole 120 of the cover body 1 respectively, and can rotate in these two holes, and the rotating shaft 32 can also slide along the long diameter direction of the seat hole 24 . Moreover, the rotating shaft 32 is provided with a split groove 322 to make the rotating shaft 32 have good elasticity, and a holding foot 321 is formed at the end thereof to prevent the driving member 3 from being disengaged from the connector. A bar-shaped block 310 is formed at a proper position on the outer surface of the driving portion 31 . The block 310 is correspondingly received in the arc-shaped groove 121 of the cover hole 120 and can rotate along the groove wall of the groove 121 .

Referring to Fig. 5 and Fig. 6, the terminal 4 is fixed in the terminal receiving groove 25 of the insulating base 2, and the upper part of the terminal 4 in contact with the component pin 51 forms a wider first space 41 and a narrower second space. In the space 42, the terminal 4 is welded on the circuit board by means of the solder ball 9 provided at the bottom thereof.

When assembling, please refer to FIG. 1 , first assemble the cover body 1 on the insulating base 2 , and then assemble the driving part 3 into the cover body 1 and the insulating base 2 . At this time, the handle 30 of the driver 3 is parallel to the upper surface of the protruding portion 12 of the cover 1, and the rotating shaft 32 of the driver 3 can be accommodated in the seat hole 24 of the insulating base 2, and is connected to the base 2 through its holding feet 321. The driving part 31 of the driving member 3 is accommodated in the cover hole 120 of the cover body 1 .

Please refer to Fig. 5, after the assembly is completed, the cover body 1 is in the open position, the through hole 14 of the cover body 1 is aligned with the first space 41 of the terminal 4, so that the element pin 51 can be assembled into the connector under zero insertion force And located in the first space 41 of the terminal 4 , the element pin 51 is separated from the terminal 4 and suspended. As shown in Figure 7, the handle 30 of the driver 3 is perpendicular to the long diameter direction of the seat hole 24, the rotating shaft 32 is located at one end of the seat hole 24, and the stopper 310 provided on the drive part 31 is located at the end of the arc groove 121. side. Then, manually operate the handle 30 of the driver 3 to rotate it clockwise by 90 degrees, because the seat hole 24 restricts the movement of the rotating shaft 32 along its short diameter, so that the driving part 31 of the driver 3 pushes the cover at the same time during the rotation. The body 1 slides horizontally relative to the insulating base 2 to the closed position. Please refer to FIG. 8 , at this moment, the handle 30 of the driving member 3 is parallel to the longitudinal direction of the seat hole 24 , and the rotating shaft 32 moves to the other end of the seat hole 24 . As shown in FIG. 6 , the through hole 14 of the cover 1 is aligned with the second space 42 of the terminal 4 , so that the element pin 51 is located in the second space 41 of the terminal 4 and electrically connected with the terminal 4 . In addition, the two extreme positions where the stopper 310 cooperates with the arc groove 121 can limit the excessive rotation of the driving member 3, so that the movement of the cover body 1 relative to the insulating base 2 is limited to the opening position and the closing position.

Claims (9)

1. A zero-insertion-force connector, which is used to accept electronic components, and can provide an electrical path from the electronic components to the circuit board, which includes an insulating base arranged on the circuit board, and a number of terminals are provided on the insulating base to accommodate The groove and the cover are slidably assembled on the insulating base. The cover is provided with a number of through holes corresponding to the terminal receiving grooves of the insulating base to accept the pins of the electronic components. Several terminals are accommodated in the terminal receiving grooves. It can be connected with the pins of electronic components, and the driver is assembled on the connector; it is characterized in that: a seat hole is opened at one end of the insulating base, and a cover hole corresponding to the seat hole of the insulating base is opened at one end of the cover The driving part includes a handle, a driving part extending downward from one end of the handle, and a rotating shaft integrally extending from the bottom surface of the driving part. The rotating shaft and the driving part are respectively accommodated in the seat hole and the cover hole. The rotating shaft and the driving part rotate in the corresponding hole, and at the same time, the driving part drives the cover to move between the open position and the closed position. In the open position, the pins of the electronic components are separated from the terminals, and in the closed position, the electronic components are connected to each other. The pin is electrically connected to the terminal. 2. The zero insertion force connector according to claim 1, characterized in that: the rotating shaft and the driving part of the driving member are both cylindrical in shape, the diameter of the rotating shaft is smaller than the diameter of the driving part, and the central axis of the rotating shaft deviates from the driving part A certain distance from the central axis. 3. The zero insertion force connector according to claim 2, characterized in that: the handle of the driver is placed above the cover in parallel. 4. The zero insertion force connector according to claim 1, characterized in that: the seat hole of the insulating base is slightly oval, when the cover is in the open position, the handle of the driver is perpendicular to the long diameter direction of the seat hole, And when the cover body is in the closed position, the handle is parallel to the long diameter direction of the seat hole. 5. The zero insertion force connector according to claim 1, characterized in that: an arc-shaped groove communicating with the cover hole is formed in a recess at an appropriate position of the wall of the cover hole, and at an appropriate position of the driving part A stopper is formed, and the stopper is correspondingly accommodated in the arc-shaped groove, and the two extreme positions of the stopper and the arc-shaped groove can limit the excessive rotation of the driving member, so that the cover body is relatively stable relative to the insulating base. Movement is limited to open and closed positions. 6. The ZIF connector according to claim 1, wherein each terminal has a wider first space and a narrower second space formed on its upper part, when the connector is in the open position, The through hole of the cover is aligned with the first space of the terminal. At this time, the pin of the electronic component is separated from the terminal and suspended; when the connector is in the closed position, the second space of the terminal is aligned with the through hole of the cover. At this time The pins of the electronic components can be in contact with the terminals to achieve electrical conduction. 7 . The ZIF connector as claimed in claim 1 , wherein two grooves are respectively provided on the two side edges of the cover to provide a grasping space for a user to put in or take out the electronic components. 8 . 8. The zero insertion force connector according to claim 7, characterized in that: the two side edges of the cover body are respectively bent downwards to form a side plate body, and the inner surface of the side plate body is provided with a sliding groove, and the sliding groove The protrusions correspondingly arranged on the two sides of the insulating base can be accommodated, and the protrusions can slide in the sliding groove. 9 . The zero insertion force connector according to claim 8 , wherein four corners of the bottom surface of the insulating base are respectively formed with legs for raising and supporting the connector. 10 .

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