CN216814104U

CN216814104U - LED lamp area power connection structure

Info

Publication number: CN216814104U
Application number: CN202123082233.5U
Authority: CN
Inventors: 伍雄练
Original assignee: Jiangmen Weipu Wire Rod Co ltd
Current assignee: Guangdong Allison Optoelectronic Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-06-24
Anticipated expiration: 2031-12-09

Abstract

A power supply connection structure of an LED lamp strip comprises a power supply connector and the LED lamp strip connected with the power supply connector, wherein the LED lamp strip is provided with a square outer skin, a positive terminal and a negative terminal; the lamp belt connector comprises a fixing part, a square sealing ring, a positive contact pin and a negative contact pin, and the positive contact pin and the negative contact pin are respectively and electrically connected with the positive terminal and the negative terminal; the swivel nut includes joint end and spiro union end, the joint end with the fixed part is connected, the spiro union end has columniform outer wall and the square hole that suits with LED lamp area appearance, and the lateral wall of spiro union end is provided with a plurality of grooves of stepping down, and the groove of stepping down separates the spiro union end for a plurality of deformation pieces, cone nut has the toper screw, cone nut oppresses on the deformation piece, the deformation piece will the sealing washer compresses tightly on the crust in LED lamp area.

Description

LED lamp area power connection structure

Technical Field

The utility model relates to a lamp, in particular to a power supply connection structure of an LED lamp strip.

Background

Referring to fig. 2, the LED lamp strip includes a square outer skin 1, a flexible circuit board 2 is wrapped in the outer skin 1, and an LED lamp bead 20 and a positive terminal 2a and a negative terminal 2b for connecting an external power source are welded on the circuit board 2. Referring to fig. 1, the conventional LED strip power connector includes a plug 3, a wire 4 and a strip connector 05 connected in sequence. The lamp area connects 05 includes the spread groove 051, sets up anodal contact pin 5a and negative pole contact pin 5b in the spread groove 051, and spread groove 051 one side is provided with capping 052, is provided with fixed orifices 053 on the capping 052, spread groove 051 opposite side be provided with fixed knot 054 of fixed orifices 053 complex. The LED lamp strip is inserted from the end face opening of the connecting groove 051, and the positive pin 5a and the negative pin 5b penetrate into the LED lamp strip and are respectively and electrically connected with the positive terminal 2a and the negative resistor 2b on the circuit board 2. The slot cover 052 oppresses on the LED lamp area, fixed orifices 053 lock joint is in on the fixed knot 54, fix the LED lamp area in the spread groove 051. Because the LED lamp area has square crust, current LED lamp area power connection adopts square spread groove 051 to be connected with the lamp area, and spread groove 051 is difficult to closely laminating with lamp area crust 1, and water-proof effects is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the LED lamp belt waterproof power supply connecting structure which is simple in structure and good in waterproof effect.

The technical means for solving the technical problems of the utility model is as follows: a power supply connection structure of an LED lamp strip comprises a power supply connector and the LED lamp strip connected with the power supply connector, wherein the LED lamp strip is provided with a square outer skin, a circuit board is wrapped in the outer skin, LED lamp beads, an anode terminal and a cathode terminal are welded on the circuit board, the power supply connector comprises a plug, a lead and a lamp strip connector which are sequentially connected, the lamp strip connector comprises a fixing part, one end of the fixing part is connected with the lead, an anode contact pin and a cathode contact pin which are electrically connected with the lead are arranged on the end surface of the other end of the fixing part, square sealing rings which are adaptive to the appearance of the LED lamp strip are arranged on the peripheries of the anode contact pin and the cathode contact pin, the sealing rings and the fixing part are of an integrated structure, and the anode contact pin and the cathode contact pin are inserted into the LED lamp strip and are respectively and electrically connected with the anode terminal and the cathode terminal of the latter; the power connector is characterized by further comprising a threaded sleeve arranged outside the sealing ring and a conical nut matched with the threaded sleeve, the threaded sleeve comprises a clamping end and a threaded connection end, the clamping end is connected with the fixing portion, the threaded connection end is provided with a cylindrical outer wall, external threads are arranged on the outer wall, a square inner hole matched with the appearance of the LED lamp strip is formed in the threaded connection end, a plurality of abdicating grooves are evenly formed in the side wall of the threaded connection end, the abdicating grooves separate the threaded connection end into a plurality of deformation blocks, the conical nut is provided with a conical screw hole, the conical screw hole is provided with a large end and a small end, the large end of the conical screw hole is connected with the threaded sleeve, the conical nut is pressed on the deformation blocks, and the deformation blocks compress the sealing ring on the outer skin of the LED lamp strip.

The utility model has the beneficial effects that: according to the utility model, the square sealing ring is adopted, the screw sleeve with the circular outer wall surface and the square inner hole is sleeved on the sealing ring, the side wall of the screw sleeve is provided with the abdicating groove, the abdicating groove divides the screw joint end of the screw sleeve into a plurality of deformation blocks, the conical nut is screwed into the screw sleeve, the conical nut presses the deformation blocks, and the deformation blocks press the sealing ring on the outer skin of the LED lamp strip, so that the problem of poor sealing property of the square LED lamp strip is solved, and the LED lamp strip has the advantages of good waterproof effect, simple structure and the like.

Drawings

Fig. 1 is a schematic view of an assembly structure of an existing LED strip and a power connector.

Fig. 2 is a schematic structural diagram of the LED strip.

Fig. 3 is a schematic view of the assembly of the power connector and the LED strip of the present invention.

Fig. 4 is a schematic view of a partial cross-sectional structure of the light strip connector of the present invention.

Fig. 5 is a schematic view of a connection structure of a power connector and an LED strip according to the present invention.

FIG. 6 is a schematic structural view of the section A-A in FIG. 5 according to the present invention.

Fig. 7 is a schematic structural view of the insert of the present invention.

Fig. 8 is a structural diagram of a section B-B in fig. 7.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. The following description of the relative orientations of the components in the left, right, upper, lower, etc. merely indicates the relative positions of the components in the drawings and should not be construed as absolutely limiting the scope of the present invention.

Refer to fig. 2. The LED lamp strip applicable to the utility model is provided with a square outer skin 1, a circuit board 2 is wrapped in the outer skin 1, and an LED lamp bead 20, an anode terminal 2a and a cathode terminal 2b for connecting an external power supply are welded on the circuit board 2.

Refer to fig. 3. The utility model provides a LED lamp area power connects, connects 5 including plug 3, wire 4 and lamp area that connect gradually, still establishes including the cover swivel nut 6 on the wire 4 and with 6 complex taper nut 7 of swivel nut. Refer to fig. 4. The lamp strip connector 5 comprises a fixing part 51 with a conical appearance, the small end of the fixing part 51 is connected with the wire 4, a positive pin 5a and a negative pin 5b which are electrically connected with the wire 4 are arranged on the large end face of the fixing part 51, a square sealing ring 52 which is adaptive to the appearance of the lamp strip is arranged on the peripheries of the positive pin 5a and the negative pin 5b, and the sealing ring 52 and the fixing part 51 are molded into an integral structure. Refer to fig. 7 and 8. The screw sleeve 6 comprises a screw connection end 61 and a clamping end 62. The screw joint end 61 is provided with a circular outer wall surface, an external thread 63 is arranged on the outer wall surface, a square inner hole 64 which is matched with the shape of the LED lamp strip is arranged in the screw joint end 61, a plurality of abdicating grooves 65 are uniformly arranged on the side wall of the screw joint end 61, and the screw joint end is divided into a plurality of deformation blocks 66 by the abdicating grooves 65; a tapered inner hole 67 matched with the tapered outer surface of the fixing part 51 is arranged in the clamping end 62. Refer to fig. 6. The conical nut 7 is provided with a conical screw hole 71, the big end of the conical screw hole 71 is used for being connected with the threaded sleeve 6, and a limit ring 72 matched with the end face of the threaded end of the threaded sleeve 6 is arranged on the small end of the conical screw hole 71.

Refer to fig. 3, 5 and 6. The power connector and the LED lamp strip are connected in a mode that firstly, the conical nut 7 penetrates into the LED lamp strip to enable the large end of the LED lamp strip to face the end face of the LED lamp strip, then the LED lamp strip is inserted into the sealing ring 51 of the lamp strip connector 5 until the positive pin 5a and the negative pin 5b are respectively in electrical contact with the positive terminal 2a and the negative terminal 2b on the circuit board 2; then, the screw sleeve 6 slides onto the sealing ring 52, the large end of the conical nut 7 is screwed into the screw joint end 61 of the screw sleeve 6, the conical nut 7 presses the deformation block 66 on the screw sleeve 6, the deformation block 66 bends and deforms towards the direction of the sealing ring 52 to press the sealing ring 5, the sealing ring 5 is pressed on the outer skin of the LED lamp strip until the end face of the screw joint end 61 of the screw sleeve 6 abuts against the limiting ring 72 of the conical nut 7, and the conical inner hole 67 of the screw sleeve 6 is tightly clamped on the conical outer surface of the fixing part 51.

The connection mode of the threaded sleeve 6 and the fixing part 51 can be sleeved on the lead 4 in advance before the lead 4 is connected with the fixing part 51, so that the conical inner hole 67 of the threaded sleeve 6 can be clamped and fixed with the conical fixing part 51, and the two sets of assembly are more convenient. Of course, the threaded sleeve 6 can also be connected to the fastening part 51 by screwing or snapping after the wire 4 is connected to the fastening part 51.

Refer to fig. 5 and 6. A power supply connection structure of an LED lamp belt comprises the power supply connector and the LED lamp belt connected with the power supply connector; and a positive pin 5a and a negative pin 5b on the power connector are inserted into the LED lamp strip and are respectively and electrically connected with a positive terminal 2a and a negative terminal 2b of the latter, and a sealing ring 5 of the power connector is wrapped on the outer skin 1 of the LED lamp strip. The cone nut 7 presses the deformation block 66 of the screw sleeve 6, and the deformation block 66 presses the sealing ring 5 on the outer skin 1 of the LED lamp strip; the conical inner hole 67 of the screw sleeve 6 is clamped on the conical outer surface of the fixing part 51, and the end surface of the screw thread end 61 of the screw sleeve 6 abuts against the limiting ring 72.

According to the utility model, the square sealing ring is adopted, the screw sleeve with the circular outer wall surface and the square inner hole is sleeved on the sealing ring, the side wall of the screw sleeve is provided with the abdicating groove, the abdicating groove divides the screw joint end of the screw sleeve into a plurality of deformation blocks, the conical nut is screwed into the screw sleeve, the conical nut presses the deformation blocks, and the deformation blocks press the sealing ring on the outer skin of the LED lamp strip, so that the problem of poor sealing property of the square LED lamp strip is solved, and the LED lamp strip has the advantages of good waterproof effect, simple structure and the like.

The above description of the preferred embodiments is only a preferred embodiment of the present invention, and does not represent a limitation to the protection content of the present invention, and any technical solutions that can be derived from the normal reasoning of the ordinary skilled person in the spirit of the present invention are the protection scope of the present invention.

Claims

1. The utility model provides a LED lamp area power connection structure, includes power connection and connects LED lamp area with it, LED lamp area has square crust, and the parcel has the circuit board in the crust, and the welding has LED lamp pearl, positive terminal and negative terminal on the circuit board, power connection connects its characterized in that including the plug, wire and the lamp area that connect gradually: the lamp strip connector comprises a fixing part, one end of the fixing part is connected with the lead, a positive contact pin and a negative contact pin which are electrically connected with the lead are arranged on the end face of the other end of the fixing part, square sealing rings which are adaptive to the shape of the LED lamp strip are arranged on the peripheries of the positive contact pin and the negative contact pin, the sealing rings and the fixing part are of an integrated structure, and the positive contact pin and the negative contact pin are inserted into the LED lamp strip and are respectively and electrically connected with a positive terminal and a negative terminal of the latter; the power connector is characterized by further comprising a threaded sleeve arranged outside the sealing ring and a conical nut matched with the threaded sleeve, the threaded sleeve comprises a clamping end and a threaded connection end, the clamping end is connected with the fixing portion, the threaded connection end is provided with a cylindrical outer wall, external threads are arranged on the outer wall, a square inner hole matched with the appearance of the LED lamp strip is formed in the threaded connection end, a plurality of abdicating grooves are evenly formed in the side wall of the threaded connection end, the abdicating grooves separate the threaded connection end into a plurality of deformation blocks, the conical nut is provided with a conical screw hole, the conical screw hole is provided with a large end and a small end, the large end of the conical screw hole is connected with the threaded sleeve, the conical nut compresses the deformation blocks, and the deformation blocks compress the sealing ring on the outer skin of the LED lamp strip.

2. A LED strip power connection structure as claimed in claim 1, wherein: the thread insert is sleeved on the wire in advance, the fixing portion has a conical appearance, a conical inner hole matched with the conical appearance of the fixing portion is formed in the clamping end of the thread insert, and the conical inner hole of the thread insert is clamped on the conical appearance of the fixing portion.

3. A LED strip power connection structure as claimed in claim 1, wherein: the small head of the conical screw hole of the conical nut is provided with a limiting ring, and the end face of the threaded end of the threaded sleeve abuts against the limiting ring.