CN216814105U

CN216814105U - Power connector of LED lamp strip

Info

Publication number: CN216814105U
Application number: CN202123082257.0U
Authority: CN
Inventors: 伍雄练
Original assignee: Jiangmen Weipu Wire Rod Co ltd
Current assignee: Jiangmen Yuxuan Lighting 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 connector of an LED lamp strip comprises a lamp strip connector, a threaded sleeve and a conical nut, wherein the lamp strip connector comprises a fixing part, an anode contact pin and a cathode contact pin are arranged on the end surface 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 anode contact pin and the cathode contact pin, the sealing ring and the fixing part are of an integral structure, the threaded sleeve comprises a clamping end and a threaded connection end, the clamping end is used for being connected with the fixing part, the screwed end is provided with a cylindrical outer wall, the outer wall is provided with external threads, a square inner hole matched with the shape of the lamp strip is arranged inside the screwed end, the side wall of the screwed end is uniformly provided with a plurality of abdication grooves which divide the screwed end into a plurality of deformation blocks, the taper nut is provided with a taper screw hole, the taper screw hole is provided with a big head and a small head, and the big head of the taper screw hole is used for being connected with the threaded sleeve.

Description

Power connector of LED lamp strip

Technical Field

The utility model relates to a lamp fitting, in particular to a power connector 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 groove cover 052 presses on the LED lamp strip, the fixing hole 053 is buckled on the fixing buckle 54, and the LED lamp strip is fixed in the connecting 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 waterproof power supply connector of the LED lamp belt, 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: the LED lamp strip connector comprises a plug, a conducting wire, a lamp strip connector, a threaded sleeve and a conical nut, wherein the threaded sleeve is connected with the lamp strip connector, the conical nut is matched with the threaded sleeve, the lamp strip connector comprises a fixing part, one end of the fixing part is connected with the conducting wire, a positive contact pin and a negative contact pin which are electrically connected with the conducting wire are arranged on the end face of the other end of the fixing part, square sealing rings which are adaptive to the shape of an 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 integral structure, the threaded sleeve comprises a clamping end and a screw joint end, the clamping end is used for being connected with the fixing part, the screw joint end is provided with a cylindrical outer wall, external threads are arranged on the outer wall, a square inner hole adaptive to the shape of the lamp strip is arranged in the screw joint end, a plurality of abdicating grooves are evenly arranged on the side wall of the screw joint end, and are used for dividing the screw joint end into a plurality of deformation blocks, the taper nut is provided with a taper screw hole, the taper screw hole is provided with a big end and a small end, and the big end of the taper screw hole is used for being connected with the threaded sleeve.

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 is slid 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 LED lamp strip outer skin until the end surface 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 thread insert 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 thread insert 6 can be clamped and fixed with the conical fixing part 51, and the two-group assembly is 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; the positive pin 5a and the negative pin 5b on the power connector are inserted into the LED lamp strip and are respectively and electrically connected with the positive terminal 2a and the negative terminal 2b of the latter, and the 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 connector, connects its characterized in that including plug, wire and lamp area that connects gradually: the LED lamp strip connector comprises a fixing part, one end of the fixing part is connected with a lead, the end face of the other end of the fixing part is provided with a positive contact pin and a negative contact pin which are electrically connected with the lead, the peripheries of the positive contact pin and the negative contact pin are provided with square sealing rings which are adaptive to the appearance of the LED lamp strip, the sealing rings and the fixing part are of an integral structure, the screw sleeve comprises a clamping end and a screw joint end, the clamping end is used for being connected with the fixing part, the screw joint end is provided with a cylindrical outer wall, external threads are arranged on the outer wall, a square inner hole adaptive to the appearance of the LED lamp strip is arranged in the screw joint end, a plurality of abdicating grooves are uniformly arranged on the side wall of the screw joint end, the abdicating grooves divide the screw joint end into a plurality of deformation blocks, the conical nut is provided with a conical screw hole, and the conical screw hole is provided with a large head and a small head, the big end of the conical screw hole is used for being connected with the threaded sleeve.

2. A power connection for a LED strip as claimed in claim 1, wherein: the swivel nut cover is established on the wire, the fixed part has the toper outward appearance, the joint of swivel nut end inside be provided with the toper outward appearance matched with toper hole of fixed part, but the toper hole chucking of swivel nut is in the toper of fixed part is apparent.

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