CN209692002U - Be used for paster right angle grafting male terminal and female terminal, reach no welding wire panel light - Google Patents

Abstract

The utility model relates to a be used for paster right angle grafting male terminal and female terminal, reach no welding wire panel light. The male terminal comprises a fixed base and a plurality of inserting conductive pieces, the inserting conductive pieces are parallelly arranged on the fixed base in a penetrating mode, the connecting ends of the inserting conductive pieces protrude towards two sides and form limiting abutting with the fixed base, and the other ends of the inserting conductive pieces are inserting ends. The female terminal comprises a plug socket and a plurality of conductive elastic sheets, the plug socket is provided with a plurality of parallel plug grooves corresponding to the plug conductive pieces of the male terminal, the elastic contact parts of the conductive elastic sheets are arranged on one sides of the plug grooves, and the elastic contact parts extend towards the interior of the plug grooves; the connecting pins of the conductive elastic sheet extend out of the plug socket to form bending, extend to the outer end face of the plug socket and bend outwards to form a connecting face. The panel lamp without the welding wires is based on the male terminal and the female terminal, the corner cutting space of the light guide plate can be fully utilized to be distributed in 90-degree spatial positions, electric connection between vertically arranged LED lamp strips is completed, production efficiency is improved, and labor cost is reduced.

Description

A patch lamp for right-angle insertion of male terminals and female terminals, and a panel light without welding wires

technical field

The utility model relates to the field of electrical connection components and lamps, and more specifically relates to a patch right-angle plug-in male terminal, a patch right-angle plug-in female terminal, and a panel lamp without welding wires.

Background technique

In the prior art, the panel light usually adopts the technical scheme of setting LED light strips on opposite sides, and the electrical connection between the LED light strips is connected by welding wires, but the welding wire process has the following problems:

1. Welding the power line of the light source board is inefficient and easy to pollute the light source;

2. With the use of power cords, a wiring process needs to be added for online assembly, which reduces assembly efficiency and wastes man-hours and costs.

Chinese utility model patent application 201720488326.2 discloses a plug-in wiring LED side-emitting panel light, including a frame, a light guide kit and LED light bars, and the LED light bars are connected through plug-in terminals; The pull terminal is arranged inside the frame, including a detachable male head and a female head; the male head and the female head are snapped together. The plug-in terminal includes terminal one and terminal two respectively, and both terminal one and terminal two include wires and insulating heat-shrinkable tubes wrapped outside the wires, which play a certain role in protecting the wires.

In the technical solution of the above-mentioned utility model patent application, it is still necessary to use wires to realize the electrical connection between the LED light bars, and then there is a low efficiency of welding the power line of the light source board, and it is easy to pollute the light source; using the power line requires an additional line for assembly on the line The process reduces the efficiency of assembly and wastes man-hours and costs.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art, to provide a patch right-angle plug-in male terminal and female terminal that realizes the electrical connection between LED light bars without welding wires, and based on the above-mentioned male terminal and female terminal. Solderless panel lights.

The technical scheme of the utility model is as follows:

A patch right-angle plug-in male terminal, including a fixed base, a number of plug-in conductive parts, the plug-in conductive parts are parallel to the fixed base, and the connecting ends of the plug-in conductive parts protrude toward both sides, forming a limit top with the fixed base The other end of the plug-in conductive part is the plug-in end.

Preferably, the connecting end of the plug-in conductive member protrudes laterally toward both sides to form a limiting connection portion, including a limiting portion and a connecting portion, a stepped structure is formed between the connecting portion and the limiting portion, and the connecting portion is wider than the limiting portion.

Preferably, the bottom surface of the connecting portion is lower than the bottom surface of the fixed base.

Preferably, the fixed base is provided with insertion holes corresponding to the plug-in conductive parts, and the upper parts on both sides of the fixed base extend laterally outward to form a limit block; the fixed base is located below the limit block, corresponding to the limit of the inserted conductive parts. The position connection part is provided with a relief groove, and the relief groove and the insertion hole are transversely connected; the limit connection part is arranged in the relief groove, and the limit part and the limit block form a limit abutment.

Preferably, the side wall of the fixed base is provided with a buckle part parallel to and extending in the same direction as the plug-in conductive part, and a hook is provided at an end of the buckle part.

A right-angle plug-in female terminal of a patch, including a socket, a plurality of conductive elastic pieces, the socket socket is provided with a number of parallel insertion slots corresponding to the plug-in conductive parts of the male terminal, and the elastic contact part of the conductive elastic sheet is arranged in the insertion groove. On one side, the elastic contact part extends toward the inside of the socket; the connecting pins of the conductive elastic sheet protrude out of the socket to form a bend, extend to the outer end surface of the socket, and bend outward to form a connection surface.

Preferably, the elastic contact portion is provided with a contact block protruding toward the inside of the socket.

Preferably, a protruding snapping block is provided on the other side of the contact block behind the elastic contact portion, and a snapping groove is opened corresponding to the snapping block in the insertion groove, and the snapping block is embedded in the snapping groove.

Preferably, the other outer end surface of the receptacle corresponds to the buckle part of the male terminal and is provided with a card slot for the buckle part to pass through. The hook is hung on the connecting rod to form a buckle limit.

A wire-free panel light, comprising several LED light bars, characterized in that the two ends of the light source board of the LED light bar are respectively provided with the male terminal and the female terminal, and the adjacent LED light bars are arranged approximately vertically , to achieve electrical connection through the male terminal and the female terminal.

The beneficial effects of the utility model are as follows:

The right-angle plug-in male terminal and female terminal of the patch described in the utility model is used to replace the power cord welding wire of the prior art, and is especially suitable for the electrical connection between adjacent vertically arranged LED light bars, in the way of plugging Instead of power line welding, it is not easy to pollute the light source, and it omits the process of manual line management, which can meet the needs of automatic equipment, improve the yield rate of online products, and improve production efficiency and reduce working hours.

The male terminal and the female terminal are fastened and prevented from falling off through the buckle part and the slot, which ensures the connection strength and prevents abnormal contact failure caused by the relative sliding of the male terminal and the female terminal during the assembly process and transportation process.

The wire-free panel light described in the utility model, based on the male terminal and the female terminal, can make full use of the cut angle space of the light guide plate to distribute in 90° space, and complete the electrical connection between the vertically arranged LED light strips , instead of the power cord welding wire of the prior art, the power cord welding is replaced by plugging, which is not easy to pollute the light source, and omits the process of manual line management, which can meet the use of automation equipment and improve the yield rate of online products ; And improve production efficiency and reduce man-hour costs.

Description of drawings

Figure 1 is a schematic diagram of the first structure of the male terminal;

Figure 2 is a schematic diagram of the second structure of the male terminal;

Figure 3 is a schematic diagram of the structure of the female terminal;

Figure 4 is a schematic diagram of the second structure of the female terminal;

Fig. 5 is a structural side view of the female terminal;

Fig. 6 is a schematic diagram of the assembly of the male terminal and the female terminal;

Figure 7 is an assembly effect diagram of the male terminal and the female terminal;

Figure 8 is an assembly rendering of adjacent LED light bars;

In the figure: 10 is the male terminal, 11 is the fixed base, 111 is the insertion hole, 112 is the limit block, 113 is the relief slot, 114 is the buckle part, 1141 is the hook, 12 is the plug-in conductive part, 121 122 is the limit connection part, 1221 is the limit part, 1222 is the connection part, 20 is the female terminal, 21 is the socket, 211 is the insertion slot, 2111 is the card slot, 212 is the card slot , 213 is a clamping rod, 214 is a mounting groove, 215 is a mounting seat, 22 is a conductive shrapnel, 221 is an elastic contact part, 2211 is a contact block, 2212 is a clamping block, 222 is a connecting pin, 2221 is a connecting surface, 30 is a light source board.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

The utility model aims to solve the problems existing in the prior art that the welding wire connection of the power cord is likely to cause light source pollution and increase the line handling process, which is not conducive to the use of automation equipment, limits production efficiency, increases man-hour costs, and affects the yield of online products, etc. Insufficient, provide a SMD right-angle plug-in male terminal and female terminal, and a non-welded panel light based on the male terminal and female terminal to replace the power cord welding wire, avoid the problem of light source pollution, and omit manual The line management process can satisfy the use of automation equipment, improve the yield rate of online products; and improve production efficiency and reduce labor cost.

As shown in Fig. 1 and Fig. 2, the patch right-angle plug-in male terminal 10 includes a fixed base 11 and a plurality of plug-in conductive parts 12, and the plug-in conductive parts 12 are parallel to the fixed base 11, and the plug-in conductive parts The connecting end of 12 protrudes toward both sides, and forms a limiting abutment with the fixed base 11 . The connecting end of the plug-in conductive part 12 is connected to the light source board 30 of the LED light bar through the SMT patching process. After the fixed base 11 is welded or bonded to the light source board 30 of the LED light bar, the plug-in conductive parts are strengthened through the limited fit structure 12 The effect of connection firmness. The other end of the plug-in conductive member 12 is a plug-in end 121 for plugging into the female terminal 20 .

In this embodiment, the connecting end of the plug-in conductive member 12 protrudes laterally toward both sides to form a limiting connection part 122, including a limiting part 1221 and a connecting part 1222, and a stepped structure is formed between the connecting part 1222 and the limiting part 1221. The portion 1222 is wider than the limiting portion 1221 . That is, the limiting connection portion 122 forms two steps at the connecting end of the plugging conductive member 12, the first step is a limiting portion 1221, which protrudes laterally from the bottom end of the plugging end 121 of the plugging conductive member 12 toward both sides, The second step is the connecting portion 1222 , which protrudes laterally from the bottom end of the limiting portion 1221 toward both sides.

At the same time, in order to accommodate more solder paste and ensure connection strength, the bottom surface of the connecting portion 1222 is lower than the bottom surface of the fixed base 11 , and the bottom end of the plug-in conductive member 12 forms a receiving gap for containing solder paste.

The fixed base 11 is provided with insertion holes 111 corresponding to the plug-in conductive parts 12, and the upper parts on both sides of the fixed base 11 extend laterally outward to form a limit block 112; the fixed base 11 is located below the limit block 112, corresponding to the plug-in The limit connection part 122 of the conductive member 12 is provided with a relief groove 113, and the relief groove 113 is transversely connected with the insertion hole 111; Limit up. Through the relief of the relief groove 113, the limit portion 1221 on the upper part of the limit connection portion 122 is equivalent to forming the effect of being buried in the fixed base 11, so that the bottom surface of the fixed base 11 is closer to the light source board 30 of the LED light bar, so as to shorten the moment as much as possible. , and then ensure the stability of the connection between the plug-in conductive part 12 and the light source board 30 of the LED light bar, and prevent the plug-in conductive part 12 from being tilted or even falling off from the light source board 30 of the LED light bar due to excessive torque during the assembly process. question.

In order to achieve the locking effect of the male terminal 10 and the female terminal 20, that is, to prevent the male terminal 10 and the female terminal 20 from falling off in the pull-out direction, the side wall of the fixed base 11 is provided with a socket extending parallel to and extending in the same direction as the plug-in conductive member 12. The buckle part 114 has a hook 1141 disposed at the end of the buckle part 114 . The hook 1141 and the female terminal 20 are clamped and limited to form a self-locking effect, which can prevent the male terminal 10 from falling off from the female terminal 20 .

Corresponding to the above-mentioned male terminal 10, the utility model provides a right-angle patch female terminal 20, as shown in Fig. 3, Fig. 4 and Fig. 21 corresponds to the plug-in conductive member 12 of the male terminal 10 to provide several parallel plug-in slots 211 for insertion of the plug-in conductive member 12 of the male terminal 10 . The elastic contact portion 221 of the conductive elastic piece 22 is disposed on one side of the insertion groove 211, and the elastic contact portion 221 extends toward the interior of the insertion groove 211, so that the elastic contact portion 221 can maintain the elasticity of the insertion conductive member 12 that presses the male terminal 10 To ensure the stability of the contact connection between the plug-in conductive member 12 of the male terminal 10 and the conductive elastic piece 22 of the female terminal 20 . In this embodiment, the elastic contact portion 221 is provided with a contact block 2211 that protrudes toward the inside of the insertion groove 211, and the protruding contact block 2211 shortens the deformation stroke of the elastic contact portion 221 in the insertion groove 211, which can further ensure compatibility with the socket. The contact stability of the plug conductor 12 of the terminal 10.

The socket 211 runs through the socket 21 front and back, and the connecting pin 222 of the conductive elastic piece 22 extends out of the socket 21 from the other end of the socket 211 to form a bend and extends to the outer end surface of the socket 21. , and bend outwards to form a connecting surface 2221, which is connected to the light source board 30 of the LED light bar through SMT chip technology. In this embodiment, the connecting pin 222 of the conductive elastic piece 22 is approximately perpendicular to the elastic contact portion 221 , and the connecting surface 2221 is approximately vertically bent. Since different conductive elastic pieces 22 need to avoid short circuit, the connection positions of the connecting pins 222 and the elastic contact portions 221 of different conductive elastic pieces 22 are different. That is, different conductive elastic pieces 22 are sequentially arranged along the length direction of the socket 21, and the connecting pins 222 of different conductive elastic pieces 22 are sequentially arranged along the width direction of the socket 21, thereby realizing isolation between different conductive elastic pieces 22 .

Further, in order to better avoid short-circuiting of the connecting pins 222 of different conductive elastic sheets 22, in this embodiment, it is set to be misaligned in height, that is, the connecting pins 222 located on both sides of the width direction of the receptacle 21, The outer wall of the socket 21 is correspondingly provided with a concave mounting groove 214, and the connecting pin 222 is arranged close to the mounting groove 214 to form an installation effect embedded in the socket 21; The connecting pins 222 and the outer wall of the socket 21 are correspondingly provided with a protruding mounting seat 215 , and the connecting pins 222 are arranged close to the mounting seat 215 , forming an installation effect higher than that of the socket 21 . Under the positional relationship of height dislocation, the connecting pins 222 of the adjacent conductive elastic pieces 22 can almost completely avoid short circuit caused by displacement due to external force in the width direction.

In order to enhance the installation stability of the elastic contact part 221 in the insertion groove 211, the other side of the contact block 2211 behind the elastic contact part 221 is provided with a protruding engaging block 2212, and the corresponding engaging block 2212 of the inserting groove 211 is provided with an engaging The slot 2111 , the locking block 2212 is embedded in the locking slot 2111 . The clamping block 2212 is limited by the clamping groove 2111 to prevent the planar displacement of the elastic contact part 221 and ensure the installation stability of the elastic contact part 221 in the insertion groove 211, thereby improving the installation stability of the conductive elastic piece 22 sex.

Corresponding to the buckle part 114 of the male terminal 10, the other outer end surface of the receptacle 21 corresponds to the buckle part 114 of the male terminal 10, and is provided with a buckle 212 for the buckle part 114 to pass through. The buckle 212 passes through the buckle rod 213 is formed by matching with the outer end surface of the socket 21 , and the hook 1141 of the buckle part 114 is hung on the buckle rod 213 to form a buckle limit, as shown in FIG. 6 and FIG. 7 . The card slot 212 is formed by a bending structure arranged on the end face of the socket 21, and the bending structure can form a closed hole-shaped card slot 212 with the end face of the socket 21, or form an open end with the end face of the socket 21. The card slot 212. In this embodiment, the bending structure forming the slot 212 is a vertical bending structure extending in the length direction of the socket 21, wherein the snap-in rod 213 is parallel to the end surface of the socket 21, that is, one end of the slot 212 Open your mouth.

In this embodiment, the male terminal 10 and the female terminal 20 are implemented as a 3PIN connection assembly, that is, the number of plug-in conductive parts 12 of the male terminal 10 is set to three, and the insertion groove 211 and the conductive spring piece 22 of the female terminal 20 are correspondingly set as three.

Based on the above-mentioned male terminal 10 and female terminal 20, the utility model also provides a wire-free panel light, as shown in FIG. 10. The female terminal 20, the adjacent LED light strips are arranged approximately vertically, and the electrical connection is realized through the male terminal 10 and the female terminal 20, which is used to replace the light source wire welding in the prior art.

The above-mentioned embodiments are only used to illustrate the utility model, but not to limit the utility model. As long as it is based on the technical essence of the utility model, changes and modifications to the above-mentioned embodiments will fall within the scope of the claims of the utility model.

Claims (10)

1. a kind of patch right angle grafting male terminal, which is characterized in that including firm banking, several grafting conduct pieces, grafting is conductive Part is arranged in firm banking in parallel, and the connecting pin of grafting conduct piece is prominent towards two sides, forms spacing top with firm banking and supports, inserts The other end for connecing conduct piece is inserted terminal.

2. grafting male terminal in patch right angle according to claim 1, which is characterized in that the connecting pin direction of grafting conduct piece The laterally projecting formation in two sides limits interconnecting piece, including limiting section and interconnecting piece, and step structure is formed between interconnecting piece and limiting section, Interconnecting piece is wider than limiting section.

3. grafting male terminal in patch right angle according to claim 2, which is characterized in that the bottom surface of interconnecting piece is lower than fixed bottom The bottom surface of seat.

4. grafting male terminal in patch right angle according to claim 2, which is characterized in that firm banking is provided with to correspond to and insert The plug-in opening of conduct piece is connect, two upper lateral parts of firm banking laterally outwards extend to form limited block；Firm banking is located at limited block The limit interconnecting piece of the position of lower section, corresponding grafting conduct piece opens up recessing groove, recessing groove and plug-in opening lateral direction penetrating；Limit connects Socket part is set in recessing groove, and limiting section forms spacing top with limited block and supports.

5. grafting male terminal in patch right angle according to any one of claims 1 to 4, which is characterized in that the side of firm banking Wall is provided with clamping part that is parallel with grafting conduct piece and extending in the same direction, and the end of clamping part is provided with hook.

6. a kind of patch right angle grafting female terminal, which is characterized in that including plug socket, several electroconductive elastic sheets, plug socket is corresponding public Several parallel inserting grooves are arranged in the grafting conduct piece of terminal, and the elastic contact part of electroconductive elastic sheet is set to the side of inserting groove, Elastic contact part is towards inserting groove internal stretch；The connection pin of electroconductive elastic sheet forms bending after stretching out plug socket, extends to slotting The outer end face of joint chair, and bend outwardly, form joint face.

7. grafting female terminal in patch right angle according to claim 6, which is characterized in that elastic contact part is provided with towards slotting The contact block of access slot inner projection.

8. grafting female terminal in patch right angle according to claim 7, which is characterized in that elastic contact part behind contact block Another side is provided with the clamping block of protrusion, and inserting groove corresponds to clamping block and offers clamping groove, and clamping block is embedded in clamping groove.

9. grafting female terminal in patch right angle according to claim 6, which is characterized in that another outer end face of plug socket is corresponding The clamping part of male terminal is provided with the card slot worn for clamping part, and card slot matches shape with the outer end face of plug socket by clamping bar At the hook of clamping part hang on clamping bar, forms buckle limit.

10. a kind of no bonding wire panel light, including several LED light bars, which is characterized in that the light source board ends of LED light bar are set respectively Set male terminal described in any one of claim 1 to 5, the described in any item female terminals of claim 6 to 9, adjacent LED light bar In substantially vertical setting, it is electrically connected by male terminal with female terminal realization.