CN203367681U - Board-to-board connector and lamp strip module - Google Patents

Abstract

In the board-to-board connector and light bar module of the present invention, the board-to-board connector at least includes: a base, an upper base and a latch device. The base is composed of two base bodies facing each other and forming a slot for The upper base is crimped, and a latch device is used to prevent longitudinal and lateral displacement of the base body and the upper base. Each base body is provided with two male terminals, and the upper base is also provided with two female terminals, which are in mutual contact with the two male terminals respectively. By connecting the male terminals of the two base bodies in series, the present invention can complete the fixation of the base and the upper base and the electrical connection of the board to the board by using only a simple crimping action.

Description

Board-to-board connector and light bar module

technical field

The utility model relates to a board-to-board connector, in particular to a board-to-board connector which can achieve excellent bonding force and conductivity by simple crimping action.

Background technique

Press, lamps for general lighting, such as indoor fluorescent lamps, table lamps, outdoor lighting, street lamps on both sides of the road, etc. The light-emitting diode (LED) used not only has good photoelectric conversion efficiency, fixed wavelength, and adjustable light quantity and light quality, but also has the advantages of small size, low heat generation and long service life.

However, the current light-emitting diode lamps can be roughly divided into bulb type, flat type and other types. However, because the brightness of a single light-emitting diode is quite limited for lighting or warning purposes, many light-emitting diodes must be assembled together to produce enough light. Therefore, most of the LED lamp boards in the LED lamps on the market are in the shape of a long plate or a strip, and the LED lamp board can be installed on the LED lamps. The larger the number of LEDs on the board, the larger the length and area required for the LED light board. However, the difficulty and cost of manufacturing large-sized LED light boards are high, which is not conducive to mass production and overall manufacturing. The quality and yield rate are also relatively unstable.

Another large-scale method is to connect light source modules 91 of multiple LED lamps in series, as shown in FIG. 1 , which is usually carried out by welding or connecting wires 92 . The efficiency of modularization in this way is not good. Sometimes in order to increase the lighting angle or range of the lighting module, the light source modules of multiple LED lamps are often connected together at different angles, and the connection method is usually carried out by wire welding or connection. The modularization efficiency of this method It is also not good, and the wire welding method often falls off due to external force or environmental influence, which increases the product defect rate.

Utility model content

The technical problem solved by the utility model is to provide a board-to-board connector, which can achieve excellent bonding force and conductivity by using a simple crimping action.

The technical means adopted in the utility model are as follows.

In order to achieve the purpose of exposing, the board-to-board connector of the present invention at least includes: a base, an upper base and a locking device. The locking device prevents the base body and the upper base from forming longitudinal displacement and lateral displacement, and each base body is provided with two male terminals, and the upper base is provided with two female terminals, and are respectively in contact with the two male terminals.

According to the aforementioned technical means, the male terminals of the two bases can be connected in series by the simple crimping action of the upper base on the base, and the fixing of the base and the upper base and the electrical connection between boards can be completed. 

In order to achieve the above purpose, the first latch assembly is provided with a first block and a first recess, the first block is located on the side of the seat body opposite to the slot, and the first recess is located on the side of the upper seat , and the upper seat is opposite to the lower part of the first concave part and forms a blocking part, so that the first clamping block can pass through the first concave part and press against the upper part of the blocking part.

To achieve the above purpose, the first block is formed with a beveled edge.

In order to achieve the above purpose, the second locking component is provided with a second protrusion and a second groove, the second protrusion is located on the side of the upper seat, and the second groove is located on the seat opposite to the slot. The upper outer side allows the second protrusion to be positioned in the second groove.

To achieve the above purpose, a concave portion is formed at the bottom of the second groove, and a protruding portion is correspondingly formed on the second protrusion, which can be correspondingly snapped into the concave portion. 

In order to achieve the above purpose, the two female terminals are staggered in the upper base, so that the male terminal at the front end of one base is connected in series with the male terminal at the rear end of the other base.

To achieve the above purpose, a protruding positioning column is formed on the bottom of the base body.

The utility model also provides a light strip module, which at least includes: N circuit boards and N-1 board-to-board connectors, the surface of the circuit board is provided with a plurality of electrically connected light-emitting elements, and each circuit board has First and second sides not adjacent to each other, wherein each of the first sides includes a positive contact and a negative contact, and each of the second sides includes a positive contact and a negative contact.

Wherein, the first male terminal of the i-th base is electrically connected to the positive contact on the second side of the i-th circuit board and the positive contact on the first side of the i+1-th circuit board respectively, and the i-th The second male terminal of the base is electrically connected to the negative contact on the second side of the i-th circuit board and the negative contact on the first side of the i+1-th circuit board, wherein 1≦i≦N-1 , and N≧2.

With the arrangement of the board-to-board connector, the purpose of quickly assembling multiple circuit boards (substrates) can be achieved through the simple crimping action of the upper seat being crimped on the base.

In order to achieve the above-mentioned purpose, when each of the circuit boards is adjacent to the second side of the next circuit board with its first side, the arrangement position of the positive pole contact and a negative pole contact on the first side is the same as that of the positive pole on the second side. The arrangement positions of the contacts and a negative contact are different, and the first and second female terminals are staggered in the upper seat.

In order to achieve the above-mentioned purpose, when each of the circuit boards is adjacent to the second side of the next circuit board with its first side, the arrangement position of the positive pole contact and a negative pole contact on the first side is the same as that of the positive pole on the second side. The arrangement positions of the contacts and a negative contact are the same.

Beneficial effects produced by the utility model: the device of the utility model can complete the fixing of the base and the upper base and the electrical connection of the board to the board only by a simple crimping action, thereby effectively overcoming the inherent defects in the prior art.

Description of drawings

FIG. 1 is a perspective view of a conventional circuit board connection structure.

Fig. 2 is a perspective view of the structure of the board-to-board connector of the present invention.

Fig. 3 is an exploded view of the structure of the board-to-board connector of the present invention.

Fig. 4 is a structural sectional view of the board-to-board connector of the present invention.

Fig. 5 is another structural sectional view of the board-to-board connector of the present invention.

Fig. 6 is an exploded view of the structure of the light bar module in the present invention.

Fig. 7 is a schematic structural diagram of the light bar module in the present invention.

Fig. 8 is a cross-sectional view of the structure of the light bar module in the present invention.

FIG. 9 is another structural cross-sectional view of the light bar module in the present invention.

Fig. 10 is a perspective view of the structure of the male terminal and the female terminal in the present invention.

Fig. 11 is another structural perspective view of the male terminal and the female terminal in the present invention.

Description of figure number:

Board-to-Board Connector 1

base 10

Seat 11

First male terminal 12

Second male terminal 13

contact terminal 14

solder end 15

slot 16

opening 161

positioning column 17

Upper seat 20

First female terminal 21

Second female terminal 22

Crimp end 23

The first latch assembly 30

The first block 31

Bevel 311

first recess 32

Block 33

The second locking component 40

Second bump 41

Second groove 42

circuit board 50

first side 51

Positive contact 511

Negative contact 512

second side 52

Positive contact 521

Negative contact 522

Locating slot 53

Light source module 91

Wire 92.

Detailed ways

Figure 2 is a perspective view of the structure of the board-to-board connector of the present invention, and Figure 3 is an exploded view of the structure of the board-to-board connector of the present invention, the board-to-board connector 1 of the present invention at least includes: a base 10, upper seat 20 and locking device.

Among them: the base 10 is provided with two base bodies 11, and each base body 11 is provided with first and second male terminals 12, 13, and one end of the first and second male terminals 12, 13 is extended with a contact exposed above the base body 11. end 14, the other end is extended with a welding end 15 exposed at the bottom of the seat body 11, and a slot 16 is formed at the joint of the two seat bodies 11, please also refer to the embodiment shown in Figure 4, the slot 16 has an upper opening 161.

The upper base 20 is crimped and fixed to the slot 16 . The upper base 20 is provided with first and second female terminals 21 , 22 . One end of the first and second female terminals 21 , 22 extends with a crimping end 23 exposed at the bottom of the upper base 20 .

The locking device is located between the seat body and the upper seat. Please also refer to FIG. 5. It is provided with a first locking component 30 to prevent the longitudinal displacement of the seat body 11 and the upper seat 20, and a second locking component 40 to prevent the seat body from moving forward. 11 and the upper seat 20 form a lateral displacement; wherein, the first catch assembly 30 is provided with a first block 31 and a first recess 32, the first block 31 is located on the side of the seat body 11 relative to the slot 16, and the first block The block 31 is formed with a hypotenuse 311 , the first concave portion 32 is located on a side of the upper seat 20 , and the upper seat 20 is opposite to the lower portion of the first concave portion 32 and forms a blocking portion 33 .

The second latch assembly 40 is provided with a second protrusion 41 and a second groove 42, as shown in Figure 3 and Figure 5, the second protrusion 41 is located on the side of the upper seat 20, and the second groove 42 is located on the seat body 11 relative to the outer side of the slot 16 top.

The board-to-board connector of the present utility model is applied to the light bar module, as shown in Figure 6 and Figure 7, the light bar module is provided with a plurality of circuit boards 50 (more than two), a plurality of boards of the present utility model On-board connector 1 (the number of which is one less than that of the circuit board); the surface of the circuit board 50 is provided with a plurality of electrically connected light-emitting elements (not shown), and each circuit board 50 has first and second non-adjacent to each other. The second sides 51 , 52 , wherein each of the first sides 51 includes a positive contact 511 and a negative contact 512 , and each of the second sides 52 includes a positive contact 521 and a negative contact 522 .

When used as a whole, the base of a board-to-board connector is first welded on the second circuit board 50, wherein the welding end 15 of the first male terminal of the base 11 is welded to the positive contact 521 on the second side of the first circuit board. The welding end 15 of the second male terminal of the base 11 is welded to the negative contact 522 on the second side of the circuit board, and the welding end 15 of the first male terminal of the other base 11 is welded to the first side of the next circuit board. The positive pole contact 511, the welding end 15 of the second male terminal of the base body 11 is then welded to the negative pole contact point 512 on the first side of the next circuit board; of course, a protruding positioning column 17 is formed at the bottom of each base body, and The circuit board is also provided with a corresponding positioning groove 53, which can further increase the positioning effect between the base body and the circuit board.

Then the upper seat 20 is assembled and plugged on the base 10, please also refer to FIG. It forms a longitudinal (up and down) displacement with the upper seat 20; and the first block 31 is formed with a beveled edge 311 to facilitate assembly; and the second protrusion 41 can be positioned in the second groove 42, which can prevent the seat from 11 and the upper seat 20 form a lateral (front, back, left, right) displacement; and the bottom of the second groove 42 is formed with a concave portion 421, and the second protrusion 41 is correspondingly formed with a protruding portion 411, which can be correspondingly locked. into the recessed portion 421 to further increase the stability of the assembly.

And when the upper seat 20 is plugged and fixed on the base 10, please also refer to shown in Figure 9, the crimping end 23 in the upper seat 20 is in contact with the contact ends 14 of the two seat bodies respectively, so as to connect the two seat bodies The first male terminal is connected in series and the second terminal is connected in series, so that the positive contact on the second side of the circuit board can be connected to the positive contact on the first side of the next circuit board, and the positive contact on the second side of the circuit board The negative pole contact can be connected with the negative pole contact on the first side of the next circuit board to achieve the purpose of series connection and electrical conduction of multiple circuit boards.

Furthermore, if each of the circuit boards is adjacent to the second side of the next circuit board with its first side, as shown in FIG. The arrangement positions of the positive contact 521 and a negative contact 522 on the second side are different, and the arrangement positions of the first and second male terminals 12, 13 of one base are different from those of the first and second male terminals 12, 13 of the other base. The arrangement positions of the first and second female terminals 21 and 22 are staggered in the upper seat.

If each of the circuit boards is adjacent to the second side of the next circuit board with its first side, as shown in Figure 11, the arrangement positions of the positive contact 511 and a negative contact 512 on the first side are the same as those on the second side. The arrangement positions of the positive contact 521 and the negative contact 522 are the same, and the first and second female terminals 21 and 22 will not be staggered in the upper seat.

Claims (10)

1. a board to board connector, is characterized in that, at least includes:

Base, it is provided with two pedestals, and each pedestal is provided with first, second male terminal, and this first, second male terminal one end is extended with the contact jaw that exposes to this pedestal top, another end is extended with the welding ends that exposes to this pedestal bottom, and the two pedestal places of being involutory are formed with a slot;

The seat of honour, this slot is fixed in crimping, and this seat of honour is provided with first, second female terminal, and this first, second female terminal one end is extended with the pressure connection terminal that exposes to this bottom, seat of honour, and be in contact with one another with this contact jaw, use the first male terminal of two pedestals is connected in series mutually and the second terminal is connected in series mutually; And

Clamping and drawing device, be positioned between this pedestal and this seat of honour, be provided with the first clip assembly and can prevent that this pedestal and this seat of honour from forming length travel, and the second clip assembly can prevent that this pedestal and this seat of honour from forming lateral displacement.

2. board to board connector as claimed in claim 1, it is characterized in that, this the first clip assembly is provided with the first fixture block and the first recess, this first fixture block is positioned at this pedestal with respect to this slot avris, this first recess is positioned at this seat of honour side, and this seat of honour is with respect to this first recess below and be formed with stopper, allows this first fixture block be arranged in this first recess and be pressed against this stopper top.

3. board to board connector as claimed in claim 2, is characterized in that, this first fixture block is formed with hypotenuse.

4. as arbitrary described board to board connector in claims 1 to 3, it is characterized in that, this the second clip assembly is provided with the second projection and the second groove, this second projection is positioned at this seat of honour side, this second groove is positioned at this pedestal with respect to this slot upper outer, allows this second projection be positioned in this second groove.

5. board to board connector as claimed in claim 4, is characterized in that, this second bottom portion of groove is formed with recess, and this second projection the corresponding protuberance that is formed with can correspondingly snap in this recess.

6. as arbitrary described board to board connector in claims 1 to 3, it is characterized in that, wherein the arrangement position of first, second male terminal of a pedestal is contrary with the arrangement position of first, second male terminal of another pedestal, and that first, second female terminal forms in this seat of honour is staggered.

7. as arbitrary described board to board connector in claims 1 to 3, it is characterized in that, this pedestal bottom is formed with the reference column of protrusion.

8. a lamp bar module, is characterized in that, at least includes:

N circuit board, this circuit board surface is provided with the light-emitting component that plural number is electrically connected, each circuit board has each other not first and second side of adjacency, wherein each this first side has included a positive contact and a negative contacts, and each this second side has included a positive contact and a negative contacts; And

N-1 as arbitrary described board to board connector in claims 1 to 3, wherein, the first male terminal of i this base is electrically connected with this positive contact of i this circuit board the second side and this positive contact of i+1 circuit board the first side respectively, and the second male terminal of i this base is electrically connected with this negative contacts of i this circuit board the second side and this negative contacts of i+1 this circuit board the first side respectively, wherein 1<=i<=N-1, and N>=2.

9. lamp bar module as claimed in claim 8, it is characterized in that, respectively this circuit board is with the second side of its first side and next circuit board when adjacent, the positive contact of the arrangement position of the positive contact of its first side and a negative contacts and the second side and the arrangement position of a negative contacts are not identical, and first, second female terminal forms staggered in this seat of honour.

10. lamp bar module as claimed in claim 8, it is characterized in that, respectively when adjacent, the arrangement position of the positive contact of its first side and a negative contacts is identical with the arrangement position of the positive contact of the second side and a negative contacts with the second side of its first side and next circuit board for this circuit board.

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