CN201498639U - parallel bus connector - Google Patents

Abstract

A parallel bus connector comprising: the body with left, right lateral wall, the left, right lateral wall interval forms a draw-in groove, locate on the left, right lateral wall and first terminal slot and second terminal slot that arrange each other at interval, the first, second terminal slot keeps away from the one side of the draw-in groove as the internal wall, a fender part locates in the first of several, second terminal slot and integrative salient from the internal wall, and can accommodate in the first of the first, second terminal slot and first terminal and second terminal respectively, each first, second terminal has a contact site, resists and stops, kink and fixed part, the first, second terminal resists and fixed part and is set up in the dislocation mutually, and the kink of the first terminal is bent in the opposite direction of kink of the second terminal by 180 degrees, make the fixed part of the first terminal and fixed part of the second terminal lie in different planes.

Description

parallel bus connector

technical field

The utility model relates to a bus connector, in particular to a parallel bus connector which can be applied to a PCI (Peripheral Component Interconnect; hereinafter referred to as PCI) interface and has an improved structure and terminals.

Background technique

Parallel bus connectors have long been widely used in computers, which can be expanded, matched with different types of adapter cards, enhanced functions, and combined with external peripheral components. The interface of the parallel bus connector is the most widely used with the PCI interface, such as a display card, sound card or network card for the PCI interface. The use of these adapter cards is to be inserted in the slot of the parallel bus connector. To connect external components and transmit data, since the adapter card is inserted into the parallel bus connector in a pressing way, the terminals of the existing connector only rely on being fixed on one end of the circuit board to withstand the pressing force of the adapter card. When the adapter card is used repeatedly, it is easy to cause the terminal to be displaced, causing the golden finger of the adapter card to not be able to touch the terminal, which affects the stability of data transmission, and each of the existing parallel bus connectors Terminals, which are used to fix one end of the circuit board, are all arranged in parallel on the same side, so that the force-bearing area of the circuit board bearing the terminals cannot be averaged, which will easily lead to inaccurate fixing of the terminals and the circuit board. Therefore, it is necessary to provide a An improved parallel bus connector to overcome the aforementioned shortcomings.

Utility model content

The purpose of this utility model is to provide a parallel bus connector, which can be applied to the PCI interface, has an improved structure and terminals, and can ensure the stable contact and assembly of the terminals when the adapter card is inserted and removed.

In order to achieve the above object, the utility model provides a parallel bus connector, which includes a body, with left and right side walls parallel to each other, the space between the left and right side walls forms a card slot, providing an adapter card , and the left and right side walls have inner wall surfaces;

Several terminal slots are provided on the left and right side walls, including a first terminal slot and a second terminal slot arranged at intervals; and

A plurality of terminals, including a first terminal accommodated in the first terminal groove and a second terminal accommodated in the second terminal groove, each of the first terminal and the second terminal has a contact portion, a resisting portion, and a bending portion and a fixing part, the contact part is inclined to the slot to form a bow, part of which is exposed in the slot, one end of the resisting part is connected to the contact part, and one end of the fixing part is used for fixing to the circuit board , and the bending part is integrally bent and connected to the abutting part and the fixing part, characterized in that: the abutting part and the fixing part of the first and second terminals are dislocated, and the first terminal The bending portion is bent at 180 degrees in a direction opposite to the bending portion of the second terminal, so that the fixing portion of the first terminal and the fixing portion of the second terminal are located on different planes.

The first and second terminal slots are provided with stoppers, and the stoppers integrally protrude from the inner walls of the left and right side walls.

The bottom surface of the blocking portion of the first terminal groove and the inner wall surface form a retracted portion for accommodating the bent portion of the first terminal.

The two side edges of the fixing part of the first and second terminals are provided with a wing protruding outward respectively, and the bottom edges of the left and right side walls of the main body are provided with a slot corresponding to the wing, for the wing to be embedded against end.

The abutting portions of the first and second terminals abut against the blocking portion after assembly.

The two side edges of the resisting portion extend outward to form an interference body, which interferes with the two sides of the first and second terminal slots, so as to increase the stability of the assembly of the first and second terminals.

An end edge of the left and right side walls adjacent to the card slot is an abutting wall, and the free end of the contact portion of the first and second terminals is called a hook portion, which is supported against the abutting wall.

Beneficial effects of the utility model: the utility model sets the first and second terminals in dislocation with the fixing part, effectively avoiding the displacement of the fixed end of the terminal caused by repeated plugging and unplugging of the adapter card, thereby ensuring the fit Card insertion is stable and data transmission is stable; and the bending portion of the first terminal is bent at 180 degrees opposite to the direction of the bending portion of the second terminal, so that the fixed portion of the first terminal is aligned with the second terminal The fixed parts are located on different planes, which can make the force on the circuit board even, and further ensure the stability of the assembly of the terminal and the circuit board.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the accompanying drawings are for reference and illustration only, and are not intended to limit the present utility model.

Description of drawings

The technical solution and other beneficial effects of the utility model will be apparent through the detailed description of the specific implementation of the utility model in conjunction with the accompanying drawings.

In the attached picture,

Fig. 1 is the three-dimensional exploded view of parallel bus connector of the present utility model;

Fig. 2 is the combined top view of Fig. 1;

Fig. 3 is the 3-3 sectional view of Fig. 2;

Fig. 4 is a sectional view of 4-4 of Fig. 3;

Fig. 5 is the first terminal and the second terminal of the utility model;

Fig. 6 is the right side view of Fig. 2;

FIG. 7 is a rear view of FIG. 2 .

Detailed ways

In order to further illustrate the technical means adopted by the utility model and its effects, a detailed description will be given below in conjunction with preferred embodiments of the utility model and accompanying drawings.

Please refer to Fig. 1-4, the utility model parallel bus connector 1, can be electrically connected on the circuit board (not shown), this parallel bus connector 1 can be applied to PCI interface, and it comprises a main body 2, several terminals Slot 22 and several terminals 3, wherein the body 2 has left and right side walls 20 parallel and spaced apart from each other, and the space between the left and right side walls 20 forms a card slot 21, which can provide an adapter card (not shown) Inserted, and the left and right side walls 20 have an inner wall surface 201, an end edge of the left and right side walls 20 adjacent to the card slot 21 is a support wall 24, and the plurality of terminal slots 22 are located on the left and right sides The side wall 20 includes a first terminal slot 221 and a second terminal slot 222 arranged at intervals, and a stopper 23 is provided in the first and second terminal slots 221, 222, and the stopper 23 protrudes integrally. A retracted portion 231 is formed from the inner wall surface 201 , the bottom surface of the blocking portion 23 disposed on the first terminal groove 221 and the inner wall surface 201 .

5, the plurality of terminals 3 includes a first terminal 31 that can be accommodated in the first terminal groove 221 and a second terminal 32 that can be accommodated in the second terminal groove 222, each of the first terminal 31 and the second terminal The terminal 32 has a contact portion 310, an abutting portion 311, a bending portion 313 and a fixing portion 312. The contact portion 310 is inclined toward the slot 21 to form a bow portion 3101, and the free end of the contact portion 310 forms a hook portion. 3102, which can be supported against the abutting wall 24, one end of the resisting part 311 is connected to one end of the contact part 310 opposite to the hook part 3102, one end of the fixing part 312 is fixed to the circuit board, and the bent The part 313 is integrally bent and connected to the stop part 311 and the other end of the fixing part 312, wherein the two side edges of the fixing part 312 of the first and second terminals 31, 32 are respectively provided with a wing part 3121 protruding outward. , and the bottom edges of the left and right side walls 20 are provided with a slot 232 corresponding to the wing 3121 for the insertion of the wing 3121 to resist.

Please refer to Fig. 3-5 again, it is worth noting that the resisting portion 311 and the fixing portion 312 of the first and second terminals are arranged in a dislocation, after assembly, the resisting portions 31, 32 of the first and second terminals The stopping part 311 can abut against the blocking part 23, and the interference body 3111 formed by the outward extension of the two sides of the stopping part 311 can further interfere with the two sides of the first and second terminal grooves 221, 222. , and the bent portion 313 of the first terminal 31 is bent at 180 degrees opposite to the direction of the bent portion 313 of the second terminal 32, so that the bent portion 313 of the first terminal 31 and the second terminal 32 The bent portions 313 are in different planes.

When the utility model parallel bus connector 1 is assembled, the first and second terminals 31, 32 are respectively assembled in the corresponding first and second terminal grooves 221, 222 from the bottom of the body 2 (see Fig. 1), the hook portion 3102 abuts against the abutment wall 24 supported on the left and right side walls 20, the part of the bow portion 3101 is exposed in the slot 21 (see Fig. 3-4), and the abutment portion 311 abuts against the blocking portion 23, and the bent portion 313 of the first terminal 31 can be accommodated in the retracted portion 231 of the first terminal groove 221, and then the fixed portion 312 of the first and second terminals 31, 32 It can be fixed on the circuit board to provide the insertion of the adapter card (see Figure 6-7).

When the adapter card is pressed and inserted into the card slot 21 of the parallel bus connector 1 of the present invention (not shown), the golden finger of the adapter card squeezes the bows of the first and second terminals 31, 32 3101 and close contact, and the force generated by the pressing contact can be firstly received by the stopper 311 against the stopper 23, and then received by the fixed part 312 through the bending part 313, which can effectively avoid The displacement of the fixed end 312 of the terminal 3 due to repeated plugging and unplugging of the adapter card can ensure stable insertion of the adapter card and stable data transmission. In addition, the bent portions 313 and fixed portions 312 of the first and second terminals 31 and 32 of the present invention are arranged in a staggered interval, so that the force on the circuit board can be averaged, and the stability of the assembly of the terminal 3 and the circuit board can be further ensured.

To sum up, the utility model can effectively avoid the displacement of the fixed end of the terminal caused by repeated plugging and unplugging of the adapter card by setting the abutment part and the fixing part of the first and second terminals in phase dislocation, thereby ensuring that the adapter card is inserted The stability of the position and the stability of data transmission; and the bending part of the first terminal is bent at 180 degrees in the direction opposite to the direction of the bending part of the second terminal, so that the fixed part of the first terminal and the fixing part of the second terminal The parts are located on different planes, which can make the force on the circuit board even, and further ensure the stability of the assembly of the terminal and the circuit board.

As mentioned above, for those of ordinary skill in the art, various other corresponding changes and deformations can be made according to the technical scheme and technical concept of the present utility model, and all these changes and deformations should belong to the claims of the present utility model. protected range.

Claims (7)

1. A parallel bus connector electrically connectable on a circuit board, characterized in that it comprises: A body has left and right side walls parallel to each other, and the space between the left and right side walls forms a card slot for inserting an adapter card, and the left and right side walls have inner wall surfaces; Several terminal slots are provided on the left and right side walls, including a first terminal slot and a second terminal slot arranged at intervals; and A plurality of terminals, including a first terminal accommodated in the first terminal groove and a second terminal accommodated in the second terminal groove, each of the first terminal and the second terminal has a contact portion, a resisting portion, and a bending portion and a fixing part, the contact part is inclined to the slot to form a bow, part of which is exposed in the slot, one end of the resisting part is connected to the contact part, and one end of the fixing part is used for fixing to the circuit board , and the bending part is integrally bent and connected to the stop part and the fixing part, wherein the stop part and the fixing part of the first and second terminals are arranged in a dislocation, and the bending part of the first terminal The part is bent at 180 degrees opposite to the direction of the bending part of the second terminal, so that the fixing part of the first terminal and the fixing part of the second terminal are located in different planes. 2 . The parallel bus connector as claimed in claim 1 , wherein the first and second terminal grooves are provided with stoppers, and the stoppers integrally protrude from the inner walls of the left and right side walls. 3 . 3 . The parallel bus connector as claimed in claim 2 , wherein the bottom surface of the blocking portion of the first terminal slot and the inner wall form a retracted portion for accommodating the bent portion of the first terminal. 4 . 4. The parallel bus connector as claimed in claim 3, characterized in that, the two side edges of the fixing parts of the first and second terminals protrude outward respectively with a wing part, and the left and right side walls of the body Corresponding to the wing, the bottom edge is provided with an embedding groove for the insertion of the wing. 5 . The parallel bus connector as claimed in claim 4 , wherein the abutting portions of the first and second terminals abut against the blocking portion after assembly. 6. The parallel bus connector as claimed in claim 1, characterized in that, the two side edges of the resisting portion extend outward to form an interference body, which interferes with the two sides of the first and second terminal slots, increasing The assembly of the first and second terminals is stable. 7. The parallel bus connector as claimed in claim 1, wherein an end edge of the left and right side walls adjacent to the slot is an abutment wall, and the free ends of the contact portions of the first and second terminals The shape is called a hook portion, and the support leans against the leaning wall.

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