CN110401081B

CN110401081B - Rotating shaft connector

Info

Publication number: CN110401081B
Application number: CN201910245173.2A
Authority: CN
Inventors: 郑世东; 朱新爱
Original assignee: Shanghai Laimu Electronic Co Ltd
Current assignee: Shanghai Laimu Electronic Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2024-04-02
Anticipated expiration: 2039-03-28
Also published as: CN110401081A

Abstract

The invention relates to a rotating shaft connector which comprises an FPC fixing seat and a rotating shaft assembly. The FPC fixing seat is fixed on a main board of the tablet personal computer and used for fixing an FPC cable from the tablet personal computer, and a plurality of notches are formed in the contact surface of the FPC fixing seat and the FPC cable; the rotating shaft assembly comprises a shaft core and a plurality of power signal modules sleeved on the shaft core, wherein the power signal modules comprise spring fixing seats, power signal contact seats, insulating rings and connecting rings which are sequentially connected with the shaft core in series, the power signal contact seats are electrically connected with the connecting rings, protruding contacts are arranged on the power signal contact seats, the contacts are clamped in the notch, and parts of the contacts, exposed out of the notch, are welded on golden fingers on the FPC cable. Compared with the prior art, the invention can realize arbitrary angle and arbitrary direction butt joint when the tablet personal computer is connected with the keyboard, solves the problem of current interruption through the multipoint touch technology, and can realize multi-signal source access through a plurality of modules.

Description

Rotating shaft connector

Technical Field

The invention relates to the field of connectors, in particular to a rotating shaft connector.

Background

With the continuous maturation of the tablet computer manufacturing industry and consumer demand, tablet computers are being used in office and entertainment directions. The new product name of the panel computer rotating shaft connector is gradually reflected in eyes of various large panel computer manufacturers, and various large I/O type connector manufacturers begin to research and develop the panel computer rotating shaft connector product in a dispute manner. The rotating shaft connector of the tablet personal computer is a split keyboard device, is best in the process of transmitting power signals of a plurality of tablet personal computers and keyboards, is stable in performance, and is only used for high-end tablet personal computers of partial brands at present. At present, the market at home and abroad analyzes a fixed direction and a fixed position of a computer, and a user needs to see the position during connection to finish connection and can not turn over 360 degrees. In addition, the problem of power signal instantaneous interruption caused by poor contact is often caused in the current rotating shaft connector products, so that the product quality is difficult to further improve.

Disclosure of Invention

The present invention is directed to a rotary shaft connector that overcomes the above-mentioned drawbacks of the prior art.

The aim of the invention can be achieved by the following technical scheme:

a spindle connector for rotatable connection between a tablet computer and a tablet computer keyboard, comprising: FPC fixing base and pivot subassembly. The FPC fixing seat is of a strip-shaped plate structure, is fixed on a main board of the tablet personal computer and is used for fixing an FPC cable from the tablet personal computer, the FPC cable is clamped between the FPC fixing seat and the main board of the tablet personal computer, and a plurality of notches are formed in the contact surface of the FPC fixing seat and the FPC cable; the rotating shaft assembly comprises a shaft core and a plurality of power signal modules sleeved on the shaft core, the power signal modules comprise spring fixing seats, power signal contact seats, insulating rings and connecting rings which are sequentially connected in series on the shaft core, the connecting rings are electrically connected with a PCB (printed circuit board) in a tablet personal computer keyboard, the power signal contact seats, the insulating rings and the connecting rings are of annular structures with the same outer diameter, the power signal contact seats are electrically connected with the connecting rings, protruding contacts are arranged on the power signal contact seats, the contacts are clamped in the notch, and parts of the contacts exposing the notch are welded on golden fingers on an FPC cable.

Further, one side of the spring fixing seat is provided with a plurality of bulges for fixing the spring, one end of the spring is fixed on the bulges, and the other end of the spring is propped against the side wall of the power signal contact seat.

Further, a convex round table is arranged on one side wall, far away from the spring, of the power signal contact seat, a plurality of fixing grooves are formed in the round table, the contact steel balls are arranged in the fixing grooves, and the parts, exposed out of the fixing grooves, of the contact steel balls can be abutted against the side face of the connecting ring.

Furthermore, the power signal contact seat and the connecting ring are blocked by adopting a universal insulating ring, so that multiple groups of power supplies and multiple groups of signal transmission can be realized, and the number of the power supplies can be increased or reduced according to the requirement of the power supply signals.

Further, the insulating ring is sleeved on the round table.

Further, the number of the contact steel balls is 6-8. The power signal is connected with the connecting ring through 6 to 8 contact steel balls, so that the multi-point touch can bear 9A high current.

Further, the contact steel balls are gold-plated steel balls.

Further, the contact steel balls are gold-plated steel balls with the diameter of 0.8-1.2 mm.

Further, the two ends of the shaft core are respectively fixed with a fixed nut and a rotating shaft torsion adjuster.

Further, the rotating shaft torque force adjuster is a knob with internal threads, and the rotating shaft torque force adjuster is sleeved on the shaft core in a penetrating manner and can be matched with external threads on the shaft core to rotate and twist, so that the compression amount of the spring is controlled.

Further, a torsion gasket for reducing friction is arranged between the rotating shaft torsion regulator and the power signal module, and the torsion gasket is a hard PC sheet.

Compared with the prior art, the invention has the following advantages:

1) Because the contact can rotate around the axis at any angle, the rotating shaft connector can be assembled on the tablet personal computer and connected with the keyboard in any angle and any direction, and can turn over by 360 degrees after connection is completed and keep power signal transmission, so that the use of a user is more convenient.

2) The power signal enters the power signal contact base through the FPC cable, is transmitted to the contact steel balls through the power signal contact base, is connected with the connecting ring through 6 to 8 points, achieves multi-point touch, greatly reduces the situation of poor contact, avoids the situation of instant disconnection of the power signal generated when a user uses, and can bear 9A heavy current.

3) The shaft core is provided with a torsion adjuster which can adjust the rotation torsion between the modules and reduce friction through a torsion gasket.

Drawings

Fig. 1 is a schematic structural view of a swivel connector according to the present invention.

In the figure: 1. the flexible printed circuit board comprises an FPC fixing seat, 2, an FPC cable, 3, a power signal contact seat, 31, a contact, 4, a spring fixing seat, 5, a spring, 6, an insulating ring, 7, a connecting ring, 8, a contact steel ball, 9, a torsion gasket, 10, a torsion regulator, 11, a shaft core, 12 and a fixing nut.

Detailed Description

The invention will now be described in detail with reference to the drawings and specific examples.

Examples

The rotating shaft connector is used for rotatable connection between a tablet personal computer and a keyboard of the tablet personal computer, and specifically comprises an FPC fixing seat 1 and a rotating shaft assembly.

FPC fixing base 1 part: the FPC cable 2 is fixed on a mainboard of the tablet personal computer and used for fixing the FPC cable 2 from the tablet personal computer, the FPC cable 2 is clamped between the FPC fixing seat 1 and the mainboard of the tablet personal computer, and a plurality of notches are formed in a contact surface of the FPC fixing seat 1 and the FPC cable 2.

The rotating shaft assembly part comprises: including axle core 11 and a plurality of power signal module of wearing to overlap on axle core 11, power signal module including establish ties in proper order in spring fixing base 4, power signal contact seat 3, insulating ring 6 and go-between 7 on axle core 11, go-between 7 be connected with the PCB board electricity in the panel computer keyboard, power signal contact seat 3, insulating ring 6 and go-between 7 be the annular structure of same external diameter, power signal contact seat 3 be connected with the go-between 7 electricity, power signal contact seat 3 on be equipped with bellied contact 31, contact 31 block in the notch to the part that contact 31 exposes the notch welds on the golden finger on FPC cable 2. In specific implementation, one side of the spring fixing seat 4 is provided with a plurality of bulges for fixing the spring 5, one end of the spring 5 is fixed on the bulges, and the other end of the spring is propped against the side wall of the power signal contact seat 3. In the specific implementation, a convex round table is arranged on one side wall, far away from the spring 5, of the power signal contact seat 3, a plurality of fixing grooves are formed in the round table, the contact steel balls 8 are arranged in the fixing grooves, and the part, exposed out of the fixing grooves, of the contact steel balls 8 can be abutted against the side face of the connecting ring 7. In the specific implementation, the power signal contact seat 3 and the connecting ring 7 are blocked by adopting a universal insulating ring 6, namely the insulating ring 6 is sleeved on the round table, so that multiple groups of power supplies and multiple groups of signal transmission can be realized, and the number of the power supply signal contact seat can be increased or reduced according to the requirement of the power supply signal.

When the contact steel balls 8 are specifically implemented, 6-8 contact steel balls 8 are arranged, a power signal is connected with the connecting ring 7 through the 6-8 contact steel balls 8, and the multi-point touch bearing 9A high current is realized. The contact steel balls 8 are gold-plated steel balls, the contact steel balls 8 are gold-plated steel balls with the diameter of 0.8-1.2 mm, and a fixing nut 12 and a rotating shaft torsion adjuster 10 are respectively fixed at two ends of a shaft core 11.

Spindle torque adjuster 10 portion: the rotation shaft torsion adjuster 10 is a knob with internal threads, is sleeved on the shaft core 11 and can be matched with external threads on the shaft core 11 to rotate and twist, so that the compression amount of the spring 5 is controlled. The torque force pad 9 for reducing friction is arranged between the rotating shaft torque force adjuster 10 and the power signal module, and the torque force pad 9 is a hard PC sheet.

The signal transmission process comprises the following steps: the power signal enters the power signal contact base 3 through the FPC cable 2, is transmitted to the contact steel balls 8 through the power signal contact base 3, is contacted with the connecting ring 7 through 6 to 8 points, realizes that the power signal is transmitted to the connecting ring 7 through multi-point touch, and is transmitted to the PCB in the keyboard through the connecting ring 7.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.

Claims

1. A spindle connector for rotatable connection between a tablet computer and a tablet computer keyboard, comprising:

FPC fixing base (1): the strip-shaped plate-shaped structure is fixed on a main board of the tablet personal computer and used for fixing an FPC cable (2) from the tablet personal computer, the FPC cable (2) is clamped between the FPC fixing seat (1) and the main board of the tablet personal computer, and a plurality of notches are formed in the contact surface of the FPC fixing seat (1) and the FPC cable (2);

and the rotating shaft assembly comprises: the power signal module comprises a shaft core (11) and a plurality of power signal modules which are sleeved on the shaft core (11), wherein the power signal modules comprise a spring fixing seat (4), a power signal contact seat (3), an insulating ring (6) and a connecting ring (7) which are sequentially connected with the shaft core (11) in series, the connecting ring (7) is electrically connected with a PCB (printed circuit board) in a tablet personal computer keyboard, the power signal contact seat (3), the insulating ring (6) and the connecting ring (7) are of annular structures with the same outer diameter, the power signal contact seat (3) is electrically connected with the connecting ring (7), a raised contact (31) is arranged on the power signal contact seat (3), the contact (31) is clamped in a notch, and the part of the contact (31) exposed out of the notch is welded on a golden finger on an FPC cable (2);

one side of the spring fixing seat (4) is provided with a plurality of bulges for fixing the springs (5), one end of each spring (5) is fixed on each bulge, and the other end of each spring is propped against the side wall of the power signal contact seat (3);

a convex round table is arranged on one side wall, far away from the spring (5), of the power signal contact seat (3), a plurality of fixing grooves are formed in the round table, the contact steel balls (8) are arranged in the fixing grooves, and the parts, exposed out of the fixing grooves, of the contact steel balls (8) can be abutted against the side face of the connecting ring (7);

the insulating ring (6) is sleeved on the round table;

the number of the contact steel balls (8) is 6-8.

2. A spindle connector according to claim 1, characterized in that the contact balls (8) are gold plated balls.

3. A spindle connector according to claim 2, characterized in that the contact balls (8) are gold plated balls having a diameter of 0.8-1.2 mm.

4. The rotary shaft connector according to claim 1, wherein the fixing nut (12) and the rotary shaft torsion adjuster (10) are respectively fixed at two ends of the shaft core (11).

5. The rotary shaft connector according to claim 4, wherein the rotary shaft torsion adjuster (10) is a knob with internal threads, and the rotary shaft torsion adjuster (10) is sleeved on the shaft core (11) and can be rotated and screwed in cooperation with external threads on the shaft core (11), so as to control the compression amount of the spring (5).

6. The rotating shaft connector according to claim 5, wherein a torsion pad (9) for reducing friction is provided between the rotating shaft torsion adjuster (10) and the power signal module, and the torsion pad (9) is a hard PC sheet.