TWI381293B - The electrical connection structure of the computer peripheral device - Google Patents

Description

Electrical connection structure of computer peripheral devices

The invention relates to an electrical connection structure of a computer peripheral device, in particular to an electrical connection structure of a computer peripheral device which does not need to be welded and can be introduced into an automatic or semi-automatic production technology to quickly complete assembly.

The computer input device is a kind of peripheral device, and the general computer input device generally includes a mouse, a trackball, etc., and the mouse is the most popular, and the mouse is taken as an example, as shown in the fourth figure, the main system A circuit board (71) is disposed in a casing (70) (only the lower casing portion is disclosed in the figure), the circuit board (71) is provided with a control circuit, and is connected to a signal line (72), the signal The wire (72) has a plurality of core wires (720), and one end of each core wire (720) is electrically connected to a control circuit on the circuit board (71). The electrical connection between the signal line (72) of the conventional mouse and the control circuit on the circuit board (71) is soldered. For the soldering operation, the conductive plug connected to the control circuit must be formed on the circuit board (71). (710), after the above-mentioned respective core wires (720) are inserted and then welded. If the operation method cannot be automatically or semi-automatically produced, not only the labor cost is high, but also the exhaust gas generated by the welding process not only affects health, but also has no environmental protection concept.

In addition to the high labor cost of the welding operation, after the signal line (72) is finished soldering with the circuit board (71), manual wire management is required. The simplest way of wiring is to make the signal line (72) adjacent to the circuit board. One end of (71) is bent into a meandering shape with the cable management slot (701) on the housing (70), so that the signal line (72) can be It is fixed, because the signal line (72) is pulled out to affect the electrical connection between the core wire (720) and the circuit board (71). However, the aforementioned manual management work still keeps the labor cost high.

It can be seen from the above that the electrical connection method of the computer peripheral device is still completely manual, so the implementation cost is high and the production efficiency is low, so further review is needed and a feasible solution is sought.

Therefore, the main object of the present invention is to provide an electrical connection structure of a computer peripheral device capable of quickly completing an electrical connection operation, which does not require welding, and facilitates introduction of automatic or semi-automatic production operations to improve efficiency and reduce cost.

The main technical means for achieving the foregoing object is that the electrical connection structure of the computer peripheral device includes at least: a circuit board on which a control circuit is disposed, and a contact connection with the control circuit is formed on one surface thereof. An electrical contact terminal block is mainly formed with a plurality of terminal slots formed on a base, and each terminal slot is provided with a terminal, each terminal corresponding to a contact contact on the circuit board, and can form an electrical contact; a first engaging member is formed on the base; a wire set includes a plurality of core wires and a second engaging member matched with the first engaging member on the electrical contact terminal block, and each of the core wires is provided with an electrical connecting piece at one end Corresponding to the terminal slot inserted into the base to form an electrical connection with the terminal; and the second engaging component is engaged with the first engaging component, so that the wire set and the electrical contact terminal block are coupled to each other; a housing is hollow to receive the second circuit board, the electrical contact terminal block and the second clamping member of the wire group; wherein the electrical contact terminal seat is clamped between the circuit board and the bottom of the housing ;

When the electrical connection structure is assembled in the housing to form a peripheral device, the circuit board assembled to the positioning can be electrically connected to the electrical contact terminal block through electrical contact, and the electrical contact terminal block and the wire group combined with each other will be At the same time, the housing is positioned so that the assembly can be completed quickly, and the structure can facilitate the introduction of an automatic or semi-automatic production process to improve assembly efficiency and reduce production costs.

For a preferred embodiment of the electrical connection structure of the present invention, please refer to the first figure, including a circuit board (10), an electrical contact terminal block (20) and a wire set (30); The embodiment is exemplified by a computer input device, wherein an electrical connection structure of the circuit board (10) is provided with an encoding device, the encoding device comprising a grating or optical encoder and a control circuit; and a circuit board (10) A contact contact (11) composed of a copper foil layer and connected to the control circuit is formed on one side. In the embodiment, the circuit board (10) is formed at one end of the bottom surface to form the contact contact ( 11).

Please also refer to the second and third figures. The electrical contact terminal block (20) is mainly formed on a base (21) with a plurality of terminal slots (22), and each terminal slot (22) is provided with a terminal. (23); one end of each of the terminal slots (22) penetrates the side wall of the base (21), and the other end penetrates the upper surface of the base (21); the terminal (23) is generally U-shaped having substantially parallel arms, wherein one arm is further bent to form a protruding first contact portion (231), the first contact portion (231) protruding from the base (21) The upper surface of the terminal (23) and the other arm of the terminal (23) constitute a second contact portion (232).

Furthermore, the first base member (21) is formed with a first engaging member (24) for bonding with the wire group (30); in the embodiment, the first engaging member (24) is composed of The two ends of the front end surface of the base (21) respectively extend outward to form a convex portion, and the free ends of the two convex portions extend upward to form a convex block, which is generally formed in an L shape from a side view. Further, a positioning unit may be formed on the base (21). For example, a positioning hole (25) may be further formed at both ends of the base 21. Of course, for those who have common knowledge in the field, it is also possible to perform the work of chucking and positioning by using hooks, card slots, and the like.

The wire set (30) is formed at one end of a wire to form a second engaging member (31) having a plurality of core wires (32) therein, and each of the core wires (32) is respectively provided with an electrical connecting piece ( 33), the opposite outer ends of the electrical connecting pieces (33) are bent to form a contact portion (330), so that the core wires (32) are inserted into the base through the contact portion (330) of the electrical connecting piece (33). The terminal (22) of the seat (21) is in electrical contact with the second contact portion (232) of the terminal (23) provided therein.

The second engaging member (31) formed at one end of the wire is substantially in the shape of a crucible, and a perforation (not shown) is formed in the center thereof, and the core wires (32) of the wire are pierced, and the second engaging member (31) A card slot (311) extending transversely through the inner and outer side walls is formed on each of the opposite arms, and the card slot (311) is matched to the first engaging member of the electrical contact terminal block (20) by a side view of the L shape. twenty one).

The wire group (30) can electrically connect the core wire (32) with the contact portion (330) of the electrical connection piece (33) into the terminal groove (22) of the base (21) and the terminal (23) inside thereof. Further, the second engaging member (31) and the first engaging member (24) are integrally coupled to each other to complete the bonding and electrical connection between the wire set (30) and the electrical contact terminal block (20).

Referring also to the first figure, the electrical connection structure can be further combined with a housing to form a computer peripheral device. In this embodiment, a mouse is taken as an example. The housing is mainly formed by an upper shell (41) and a lower shell (42). The upper shell (41) and the lower shell (42) are opposite to the inner side. There are respectively formed protrusions (411) (421) for fixing the foregoing circuit board (10) between the two, and the upper shell (41) and the lower shell (42) respectively on the corresponding same end edge A semicircular wire hole (412) (422) is formed through which the wires of the wire group (30) pass.

During assembly, the optical contact terminal block (20) is combined with the wire set (30), and then the positioning hole (25) on the base (21) is wedged to the positioning post on the lower case (42) (423) And the wire of the wire set (30) is spanned in the wire hole (422) on the lower casing (42), and the wire group (30) has one end of the second engaging member (31) and the electrical contact terminal The seat (20) is fixed to the lower case (42), and then the circuit board (10) is fixed in the lower case (42), at which time the contact contact (11) on the bottom surface of the circuit board (10) will be in electrical contact with the terminal. The first contact portions (231) of the terminals (23) on the seat (20) are in contact, so that the core wires (32) of the wire group (30) are transmitted through the terminals (23) of the electrical contact terminal block (20) and the circuit board ( 10) The upper control circuit constitutes an electrical connection, and then the upper casing (41) is combined with the lower casing (42) to quickly complete the combination of a computer peripheral device.

Referring to the third figure, in order to further firmly bond the wire set (30) and the electrical contact terminal block (20) in the upper and lower casings (41) (42), except on the inner bottom surface of the lower casing (42) The positioning post (423) is wedged with the positioning hole (25) on the base (21) of the electrical contact terminal block (20) to further shape the outer side wall of the second engaging member (31) of the wire set (30). Matching the shape of the inner wall surface of the lower casing (42), the wire group (30) is more tightly and surely fixed in the lower casing (42).

(10)‧‧‧ boards

(11)‧‧‧Contact contacts

(20)‧‧‧Electric contact terminal block

(21) ‧ ‧ pedestal

(22)‧‧‧Terminal slot

(23) ‧‧‧ terminals

(231) ‧‧‧First Contact

(232)‧‧‧Second contact

(24) ‧‧‧First engagement parts

(25)‧‧‧Positioning holes

(30) ‧‧‧Wire sets

(31)‧‧‧Second fittings

(311)‧‧‧ card slot

(32)‧‧‧core

(33)‧‧‧Electrical connection piece

(330) ‧‧‧Contacts

(41) ‧ ‧ upper shell

(411) (421) ‧ ‧ stud

(412) (422) ‧‧ ‧ wire hole

(423)‧‧‧ Positioning Column

(70) ‧‧‧Shell

(71)‧‧‧ boards

(710)‧‧‧Connecting jack

(72) ‧‧‧ Signal Line

(720)‧‧‧core

First Figure: An exploded view of a preferred embodiment of the present invention.

Second drawing: an exploded view of a wire set and an electrical contact terminal block in a preferred embodiment of the present invention,

Third Figure: is a partial cross-sectional view of a preferred embodiment of the present invention.

Figure 4: An exploded view of the computer peripherals.

(20)‧‧‧Electric contact terminal block

(21) ‧ ‧ pedestal

(22)‧‧‧Terminal slot

(23) ‧‧‧ terminals

(231) ‧‧‧First Contact

(232)‧‧‧Second contact

(24) ‧‧‧First engagement parts

(25)‧‧‧Positioning holes

(30) ‧‧‧Wire sets

(31)‧‧‧Second fittings

(311)‧‧‧ card slot

(32)‧‧‧core

(33)‧‧‧Electrical connection piece

(330) ‧‧‧Contacts

(42)‧‧‧ Lower shell

(423)‧‧‧ Positioning Column

Claims (9)

An electrical connection structure of a computer peripheral device includes: a circuit board on which a control circuit is disposed, and a contact contact connected to the control circuit is formed on one surface thereof; and an electrical contact terminal block is mainly connected to a plurality of terminal slots are formed on a base, and each terminal slot is provided with a terminal, each terminal corresponding to a contact contact on the circuit board, and can form an electrical contact; and a first engaging component is formed on the base; a wire assembly is mainly provided at one end of a wire with a second engaging member matched with the first engaging member on the electrical contact terminal block, the wire has a plurality of core wires, and each core wire can be correspondingly inserted into the terminal on the base The slot is electrically connected to the terminal; the second engaging member is engaged with the first engaging member to couple the wire set and the electrical contact terminal block; a casing is hollow to accommodate the circuit board And electrically contacting the terminal block and the second engaging member of the wire set; wherein the electrical contact terminal seat is clamped between the circuit board and the bottom of the housing. The electrical connection structure of the computer peripheral device according to claim 1, wherein one end of each terminal slot on the base penetrates the side wall of the base, and the other end penetrates the upper surface of the base; the terminal has an parallel The two arms, wherein one of the arms is further bent to form a protruding first contact portion, the first contact portion protrudes from the upper surface of the base, and the other arm of the terminal constitutes the second contact portion. The electrical connection structure of the computer peripheral device according to claim 2, wherein the first engaging component of the electrical contact terminal block is formed by the front end surface of the base The two ends respectively extend outward to form a convex portion, and the free ends of the two convex portions extend upward to form a convex block; the second engaging member of the wire group has a meandering shape, and the opposite arms respectively form a transverse cross-section The card grooves of the inner and outer side walls are matched with the first engaging members and can be engaged with each other. The electrical connection structure of the computer peripheral device according to claim 3, wherein the wire has a plurality of core wires, and one end of each core wire is respectively provided with an electrical connecting piece, and the opposite outer ends of each electrical connecting piece are bent Thereafter, a contact portion is formed, and the terminal groove inserted into the base is electrically contacted with the second contact portion of the terminal provided in the terminal slot. For example, in the electrical connection structure of the computer peripheral device according to Item 4 of the patent application, a positioning hole is further formed at both ends of the base of the electrical contact terminal block. The electrical connection structure of the computer peripheral device according to any one of claims 1 to 5, wherein the circuit board is formed with a plurality of contact contacts connected to the control circuit on one side thereof. An electrical connection structure of a computer peripheral device is mainly disposed on a circuit board and an electrical contact terminal block; wherein the circuit board has a plurality of contact contacts; one end of the electrical contact terminal block and a wire set The other end has a plurality of terminals; the electrical contact terminal block has a positioning unit for fixing between the circuit board and the housing, and the plurality of terminals directly form electrical properties with the plurality of contact contacts The contact and electrical contact terminal holders are clamped between the circuit board and the bottom of the housing. The electrical connection structure of the computer peripheral device according to claim 7, wherein the electrical contact terminal block has at least one positioning hole, and the housing has at least one corresponding positioning post. The electrical connection structure of the computer peripheral device of claim 7, wherein the electrical contact terminal block includes a base for receiving the terminal, and the base has a first engaging member; the wire set has a a second engaging member, and the first engaging member and the second engaging member are mutually engaged.