TWI633717B - Electrical connector - Google Patents

Abstract

The present invention relates to an electrical connector for a substrate having a predetermined perforation, comprising an insulative housing and a terminal set, wherein the insulative housing has a head at one end, and is provided at one end of the head. a base body extending from the head, wherein the bottom surface of the base body forms an inwardly recessed insertion space, and at least one side wall surface of the insertion space is provided with a terminal slot, and the outer surface of the base body is convexly disposed for Positioning the insulative housing on the substrate with the blocking portion of the positioning elastic arm group; the terminal group is positioned in the terminal slot of the plugging space, and the contact portion extending toward the lateral direction is formed at one side of the terminal group, and the opposite side is opposite The longitudinal extension of the abutting portion, whereby the electrical connector structure is assembled to the substrate, thereby achieving a stable elastic positioning, so that the overall structural stability and assembly reliability are better.

Description

Electrical connector

The present invention relates to an electrical connector for an LED circuit substrate, and more particularly to an electrical connector that is disposed through an LED circuit substrate.

According to the fact that people can still operate normally at night and in dim weather, through the application of lighting fixtures, there can be sufficient light for illumination at night and in dim weather, and the most commonly used lamps for general lighting, such as early Light bulbs and fluorescent tubes are the most common and most widely used lighting fixtures. Lights from the lighting fixtures can be used to prevent activities and work during night or dark weather, but due to fluorescent tubes or The lamp has a short service life, is not easy to handle after disposal, and consumes a large amount of electricity. Some manufacturers have developed a power-saving bulb and a lamp to improve the design of the bulb, prolong the service life of the bulb or the lamp, and achieve energy saving. Purpose, but the power-saving bulb or tube still has a large volume, and it is quite inconvenient to recycle. The manufacturer has developed a light-emitting diode (LED) to form a bulb or a tube to provide more Lighting fixtures that are energy-saving and small in size and have a long service life have become the main lighting products currently on the market.

However, the above LED bulb or lamp tube assembly is arranged on the LED circuit substrate, and the LED driving circuit board is matched to control the current flowing through the LED to achieve or close to the value of the original design, and to stabilize or not be reduced or reduced. Influence of factors such as power supply voltage, temperature, and forward bias difference, thereby obtaining the required luminosity, preventing the LED life from being shortened or damaged, and the LED driving circuit board and The mounting method of the LED circuit board is such that the LED circuit board and the LED driving circuit board are connected by wire bonding or the LED circuit board having the preset perforation is provided with an electrical connector for inserting the LED driving circuit board. The electrical connector assembly is disposed on the LED circuit substrate. The prior art is assembled by soldering, and can be seen in the Republic of China Patent Application No. 99139769, the predetermined position of the LED assembly substrate in the original text of the specification. The LEDs, connectors, etc., which are arranged above, are soldered, for example, using a reflow oven. By this step, the connection portion of the contact member is soldered to the pad of the LED package substrate. Therefore, it is known that the welding and soldering connector is a conventional method in the industry.

However, fixing the electrical connector by soldering has the following disadvantages:

First, the welding method is used to assemble the electrical connector on the LED circuit substrate. When the electrical connector or the LED circuit substrate is opened or the soldering point on the substrate is in dimensional error, the electrical connector and the substrate are pressed to be easily formed after soldering. The force, in turn, makes it possible to have the electrical connector disconnected from the solder joint in the future.

2. When the electrical connector is to be assembled on the LED circuit board, the electrical connector must be mechanically or manually mounted to the LED circuit substrate, and then the LED driver circuit board is mounted after the solder is fixed to the connector. At least two or more assembly procedures are required.

Third, the terminal design is too complicated, so that the terminals can only be assembled in the electrical connector by individual installation methods, and the increase of the process program is increased with respect to the time cost.

Therefore, how to solve the problems and shortcomings of the use, that is, the relevant manufacturers in this industry are eager to study the direction of improvement.

Therefore, the inventor of the invention, in view of the problems and shortcomings of the conventional electrical connector, collected the relevant materials through multi-party evaluation and consideration, and continuously tried and modified the years of research and development experience in the industry to design such an electrical connector. The invention was born.

The main purpose of the present invention is to provide a positioning elastic arm group for positioning the insulating body on the outer surface of the base body with the stopper portion on the outer surface of the base body when the electrical connector is mounted on the LED circuit board, and the positioning head group is matched with the set head. The side surface extends in the lateral direction so that the head can abut against the mounting surface of the LED circuit board, and after the positioning elastic arm group passes through the predetermined perforation, the difference of the stopping portion abuts against the substrate perforation wall surface and the hole wall surface and the opposite surface The formed corners enable the electrical connector to be stably mounted on the LED circuit substrate, and the terminal groups in the electrical connector are also electrically connected to the connection contacts on the circuit board, which is different from the electrical connection. After passing through the perforation, the circuit is electrically connected in a fixed manner to reduce the assembly process and assembly time.

Another main purpose of the present invention is that the electrical connector and the circuit board have a certain tolerance value or dimensional misalignment, so that the positioning elastic arm of the outer surface of the seat body is bent and extended toward the head, and when the size is out of alignment for the foregoing reasons. The relative size and position of the electrical connector and the LED circuit substrate can be corrected by positioning the elastic buffer space formed by the reverse bending of the elastic arm.

1‧‧‧Electrical connector

2‧‧‧Insulated body

20‧‧‧ head

21‧‧‧ body

210‧‧‧Dock space

211‧‧‧Terminal slot

212‧‧‧Department

213‧‧‧ slots

214‧‧‧ Plug interface

215‧‧‧ channel

216‧‧‧ Positioning arm group

2160‧‧‧stops

2161‧‧ ‧ zone

217‧‧‧ positioning slot

3‧‧‧Terminal group

30‧‧‧Contacts

31‧‧‧Docking Department

310‧‧‧Contacts

311‧‧‧ card insertion department

4‧‧‧LED circuit board

40‧‧‧Preset perforation

41‧‧‧Installation surface

42‧‧‧ opposite

43‧‧‧Connecting contacts

44‧‧‧Preset perforated wall

45‧‧‧ corner

5‧‧‧LED driver board

50‧‧‧coupled contact point

The first picture is a three-dimensional appearance of the creation.

The second picture is a three-dimensional exploded view of another angle of the creation.

The third picture is the majority of the three-dimensional solution of the creation.

The fourth figure is a preferred perspective view of the prior art electrical connector assembly.

The fifth figure is a schematic diagram of a preferred embodiment of the present invention before the assembled electrical connector is assembled on the LED circuit substrate.

The sixth figure is a schematic perspective view of the LED circuit board after assembling the assembled electrical connector.

The seventh figure is another preferred perspective view of the present electrical connector.

The eighth figure is a schematic perspective view of the prior art in which the LED driver circuit board is assembled.

The ninth drawing is a cross-sectional side view of the preferred embodiment of the present invention.

In order to achieve the above objectives and effects, the technical means and its construction adopted in the present invention are described in detail in the preferred embodiment of the present invention, and the structure and function are as follows.

Please refer to the first and second figures, which are respectively a three-dimensional external view of the creation and an exploded perspective view of another angle. It can be clearly seen from the figure that the electrical connector 1 of the present invention comprises an insulating body 2 and a terminal. The main components and features of the present invention are as follows. In the following, the insulative housing 2 is provided with a head 20 at one end thereof, and is provided with a head 20 extending from one end of the head 20. The bottom surface of the base body 21 is formed with an inwardly recessed insertion space 210, and a terminal groove 211 is disposed on a side wall surface of the insertion space 210. The terminal groove 211 is laterally located on a side of the base body 21 facing away from the head portion 20. The terminal groove 211 of the terminal body 3 is formed in the bottom surface of the groove to form an inwardly recessed receiving portion 212, and the terminal groove 211 is disposed adjacent to the head portion 20 in the insertion space 210. There is a slot 213 for the terminal group 3 to be inserted. The plug space 210 is provided with a lead-in interface 214 at the bottom surface of the base body 21, and the plug-in space 210 is in contact with a side wall of the contact portion 30. The portion 30 is disposed through the channel 215 of the assembly, and the positioning groove 217 is disposed on the two side walls of the insertion space 210. The outer surface of the body 21 is provided with a positioning elastic arm group 216 for positioning the insulating body 2 on the substrate (not shown) having a blocking portion 2160. The positioning elastic arm group 216 is the outer surface of the seat body 21 facing the head. The reverse bending portion 20 is formed to extend, and the stopper portion 2160 is a stepped portion 2161 which is formed in a stepped manner.

Terminal group 3, the terminal group 3 is positioned in the terminal slot 2 of the plug space 210 11. The terminal group 3 has a contact portion 30 extending downwardly and laterally extending in a lateral direction, and a longitudinally extending abutting portion 31 at a side opposite to the bottom surface. The contact 310 and the terminal group 3 are provided with a card insertion portion 311 at a position relative to the slot 213.

Please refer to the third and fourth figures at the same time. This is a better perspective view of the assembled electrical connector before assembly and a better perspective view after assembly. It can be clearly seen from the figure that the electrical connector 1 of the present invention is assembled before assembly. The terminal group 3 is to be placed on the side of the socket 214 of the insulative housing 2, the contact portion 30 of the terminal group 3 is inserted into the channel 215 of the base body 21, and the card insertion portion 311 of the abutting portion 31 of the terminal group 3 is slipped in the terminal slot 211. The slot 213 interferes with the positioning, and the contact portion 30 is housed in the terminal slot 211 of the head 20.

Please refer to the fifth and sixth figures at the same time, which is a schematic diagram of the preferred embodiment of the present invention before being assembled on the LED circuit substrate and a preferred perspective view of the assembled LED circuit substrate, which can be clearly seen from the preferred implementation diagram. When the electrical connector 2 of the present invention is assembled, the electrical connector 2 is assembled from the mounting surface 41 side of the LED circuit board 4. When the seat body 21 passes through the preset through hole 40, the seat body 21 is set on the outer peripheral surface. The elastic arm group 216 is elastically compressed and deformed toward the seat body 21. When the seat body 21 is moved to the stepped portion 2161 of the positioning elastic arm group 216, the positioning elastic arm group 216 forms a reverse release elastic force so that the stepped portion 2161 abuts against the preset The perforated wall surface 44 and the predetermined perforated wall surface 44 and the opposite surface 42 form an angle 45 to form a positioning, and the lateral movement of the elastic structure of the positioning elastic arm set 216 can be corrected to correct the electrical connector 1 or the LED circuit substrate 4. The perforation 40 has an error in size.

After the terminal portion 3 is laterally extended and bent, the contact portion 30 is coupled to the LED circuit board 4 to connect the contacts 43 after the assembly and positioning. The contact portion 30 generates a reverse elastic force on the LED circuit substrate 4 to ensure the two. Electrically conductive and stable.

Please refer to FIG. 7 for another preferred perspective view of the present invention. The disclosed positioning elastic arm set 216 is disposed on the outer surface of the seat body 21 opposite to the two side wall surfaces, but One or more sets may be provided, and thus the above disclosure is only a preferred embodiment of the present invention.

Please refer to the seventh and eighth figures at the same time. It is a better perspective view of the LED driver circuit board before assembling the LED driver circuit board and a better cross-sectional side view of the LED driver circuit board. It can be clearly seen from the figure. The created electrical connector 1 is installed on the LED circuit substrate 4, and the LED driving circuit board 5 is provided with a coupling contact area 50, and the coupling contact area 50 is just inserted into the socket 21, and the insertion interface 214 is received by the insertion space 210. The contact point region 50 is pressed against the contact 310 of the abutting portion 31 of the terminal group 3, and the elastic deformation end thereof is moved into the retaining portion 212. The coupling contact point region 50 is limited to slide in the insertion space 210 and the two side walls are recessed. The positioning groove 217 is positioned behind the bottom surface.

Although the abutting portion 31 and the contact portion 30 of the terminal group 3 respectively extend downwardly and laterally in a downwardly extending manner or have a contact 310 on the surface, the two may be opposed to each other or continuously bent. Structures such as elastic structures (not shown) are formed, but the above disclosure is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereby, and thus the patent scope of the present invention is applied. Equivalent changes and modifications made should still be included in the scope of the patents covered by the present invention.

Therefore, all structures and devices that can achieve the above-mentioned effects should be covered by this creation. Such simple modifications and equivalent structural changes should be included in the scope of this patent and combined with Chen Ming.

In summary, the above-mentioned electrical connector of the present invention is combined to be used. To its efficacy and purpose, the creation is a practical and excellent creation. In order to meet the application requirements of the invention patent, the application is submitted according to law, and the trial committee is expected to grant the case as soon as possible to protect the creator's hard work. The audit committee has any doubts, please do not hesitate to give instructions, the creators will try their best to cooperate, and feel really good.

Claims (8)

An electrical connector for a substrate having a predetermined perforation includes an insulative housing and a terminal set, wherein the insulative housing has a head at one end thereof, and is provided with the head with respect to one end of the head a base body extending from the portion, wherein the bottom surface of the base body forms an inwardly recessed insertion space, and the base body is provided with a terminal slot on at least one side wall surface of the insertion space, and the outer surface of the base body is a positioning elastic arm group for positioning the insulating body on the substrate has a blocking portion; the terminal group is positioned in the terminal slot of the plugging space, and the terminal groups are formed to be bent toward the lateral direction at one side of the terminal group a contact portion, wherein the opposite side is a longitudinally extending abutting portion; and wherein the insertion space is provided with a guiding angle insertion interface at a bottom surface of the base body, and the abutting portion of the terminal group is adjacent to a surface of one end of the bottom surface The contacts are convexly disposed, and the contact portion of the terminal group is tapered downwardly and laterally. The electrical connector of claim 1, wherein the side of the head of the insulative housing extends laterally so that the head is disposed on the mounting surface of the substrate, and the seat positioning arm is mounted with the blocking portion. The opposite side of the substrate is used to form a positioning effect. The electrical connector of claim 1 or 2, wherein the blocking portion is a stepped section formed in a stepped shape. The electrical connector of claim 1, wherein the terminal slot extends laterally on a side of the base body facing away from the head such that the contact portion of the terminal set is received therein. The electrical connector of claim 1 or 4, wherein the seat body forms an inwardly recessed retaining portion below the terminal slot, and the terminal slot is provided with a terminal adjacent to the head in the plugging space. The group is inserted into the slot, and the terminal set is provided with a card insertion portion with respect to the slot position. The electrical connector of claim 1, wherein the seat insertion space is a passage for the contact portion to be assembled toward a side wall of the contact portion. The electrical connector of claim 3, wherein the positioning elastic arm group is formed by extending the outer surface of the base body toward the head. The electrical connector of claim 1, wherein the socket insertion space is recessed with a positioning slot on the two side walls.