CN216952971U

CN216952971U - Fastening device for sealing LED lamp strip connector

Info

Publication number: CN216952971U
Application number: CN202123150255.0U
Authority: CN
Inventors: 伍雄练
Original assignee: Jiangmen Weipu Wire Rod Co ltd
Current assignee: Jiangmen Weipu Wire Rod Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-12
Anticipated expiration: 2031-12-15

Abstract

A set up device for sealing up LED lamp area connects, including swivel nut and the nut of being connected with swivel nut both ends, the swivel nut has columniform outer wall and the square hole that suits with lamp area crust shape, is equipped with the external screw thread on the swivel nut outer wall, swivel nut one end is sealed end, evenly be provided with a plurality of grooves of stepping down of bending on the lateral wall of sealed end, a plurality of briquettings are separated with sealed end lateral wall to the groove of stepping down, extend interior clamp plate and outer clamp plate between two adjacent briquettings mutually, interior clamp plate and outer clamp plate are footpath overlapping each other at the swivel nut, connect with sealed nut in serving is cone nut, cone nut be used for with the briquetting compresses tightly on the crust in LED lamp area.

Description

Fastening device for sealing LED lamp strip connector

Technical Field

The utility model relates to a lamp accessory, in particular to a fastening device for sealing a light-emitting diode (LED) lamp strip connector.

Background

Refer to fig. 2. LED lamp area L has square crust L1, and the parcel has circuit board L2 in the crust L1, and the welding has LED lamp pearl L3 and a plurality of binding post L4 on the circuit board L2, binding post L4 can include positive negative pole power supply terminal and signal connection terminal. Referring to fig. 1, a power connection structure of a conventional LED strip includes: the power supply connector comprises a plug 11, a lead 12, a lamp strip connector 013, a threaded sleeve 04 sleeved on the lamp strip connector 013 and a conical nut 5 sleeved on the threaded sleeve 04, wherein the plug, the lead 12 and the lamp strip connector 013 are sequentially connected. The light strip connector 013 comprises a light strip pin 014 corresponding to the wiring terminal L4 and a sealing sleeve 025 surrounding the light strip pin 014. The lamp strip contact pin 014 is inserted into the LED lamp strip and is internally electrically connected with the wiring terminal L4 on the circuit board in the LED lamp strip, the sealing sleeve 25 is sleeved on the LED lamp strip sheath, the abdicating groove 61 is arranged at one end of the turnbuckle 04, the abdicating groove uniformly separates the side wall of the turnbuckle 04 into four pressing blocks 042, the turnbuckle 04 is screwed down by the conical nut 5, and the pressing blocks 042 tightly press the sealing sleeve 025 on the LED lamp strip sheath L1. The turnbuckle and the cone nut are used as a fastening device of the LED lamp belt connector, and the LED lamp belt connector has the following defects: because the sealing sleeve is made of soft materials, the friction force is large in the closing process of the pressing blocks, the pressing blocks are difficult to completely close, the installation difficulty is large, a gap is easy to be left between the two pressing blocks, and the sealing is not tight.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the fastening device which has good waterproof performance and is simple to mount and used for sealing the LED lamp strip connector.

The technical means for solving the technical problems of the utility model is as follows: a set up device for sealing up LED lamp area connects, including swivel nut and the nut of being connected with the swivel nut both ends, the swivel nut has columniform outer wall and the square hole that suits with lamp area crust shape, is equipped with the external screw thread on the swivel nut outer wall, swivel nut one end is sealed end, evenly be provided with a plurality of grooves of stepping down of bending on the lateral wall of sealed end, a plurality of briquettings are separated to the groove of stepping down with sealed end lateral wall, extend interior clamp plate and outer clamp plate between two adjacent briquettings each other, interior clamp plate and outer clamp plate are footpath overlap each other in the swivel nut footpath, connect in sealed nut of serving is conical nut, conical nut be used for with the briquetting compresses tightly on the crust in LED lamp area.

The utility model has the beneficial effects that: according to the LED lamp strip, the bent abdicating groove is formed in the side wall of the screw sleeve, the abdicating groove divides the side wall of the screw sleeve into the plurality of pressing blocks, the inner pressing plate and the outer pressing plate which are mutually overlapped in the radial direction of the screw sleeve are arranged between the adjacent pressing blocks, the inner pressing plate is attached to the outer skin of the LED lamp strip, the outer pressing plate is pressed on the inner pressing plate, the sliding friction force between the pressing blocks and the sealing sleeve can be reduced, the installation is easier, meanwhile, no gap is ensured between the two pressing blocks, and the sealing is more reliable.

The other end of the threaded sleeve is a connecting end, the nut connected to the connecting end is a fastening nut, the fastening nut is used for connecting the threaded sleeve with a power supply connector, or two ends of the threaded sleeve are both sealed ends, and the nuts connected to two ends of the threaded sleeve are both the conical nuts. The conical nut is provided with a conical screw hole, the big end of the conical screw hole is used for being connected with the threaded sleeve, and the small end of the conical screw hole is provided with a limiting ring which can abut against the end face of the threaded sleeve

Drawings

Fig. 1 is an assembly structure schematic diagram of a conventional waterproof power supply connection assembly for an LED strip.

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

Fig. 3 is an assembly schematic view of the waterproof power connection assembly according to embodiment 1 of the present invention.

Fig. 4 is a schematic partial sectional view of a power connector connection terminal according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural diagram of a relay connector in embodiment 1 of the present invention.

Fig. 6 is a schematic half-section structure diagram of a relay joint according to embodiment 1 of the present invention.

Fig. 7 is a schematic structural view of a screw insert according to embodiment 1 of the present invention.

Fig. 8 is a schematic view of a connection structure between the waterproof power supply connection assembly and the LED strip in embodiment 1 of the present invention.

Fig. 9 is a schematic structural view of the section a-a in fig. 8.

Fig. 10 is a structural diagram of a section B-B in fig. 8.

Fig. 11 is an assembly schematic view of a waterproof relay connection assembly according to embodiment 2 of the present invention.

Fig. 12 is a schematic structural diagram of a relay connector according to embodiment 2 of the present invention.

Fig. 13 is a schematic structural view of a screw insert according to embodiment 2 of the present invention.

Fig. 14 is a schematic view of a connection structure between the waterproof relay connection assembly and the LED strip in embodiment 2 of the present invention.

Fig. 15 is a structural view of the section C-C in fig. 14.

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, inner, and outer directions merely indicates the relative positions of the components as illustrated 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 L suitable for the utility model is provided with a square outer skin L1, a circuit board L2 is wrapped in the outer skin L1, an LED lamp bead L3 and a plurality of wiring terminals L4 are welded on the circuit board L2, and the wiring terminals L4 can comprise positive and negative power terminals and signal wiring terminals.

Example 1. Refer to fig. 3. A waterproof power supply connecting structure of an LED lamp belt comprises the LED lamp belt and a waterproof power supply connecting assembly connected with the LED lamp belt. The waterproof power supply connecting assembly comprises a power supply connector 1, a relay connector 2 connected with the power supply connector 1, a waterproof ring 3 arranged between the power supply connector 1 and the relay connector 2, a threaded sleeve 4 sleeved outside the relay connector 2, and a conical nut 5 and a fastening nut 6 sleeved at two ends of the threaded sleeve 4.

Refer to fig. 3 and 4. The power connector 1 comprises a plug 11, a lead 12 and a connector 13 which are connected in sequence. Be provided with on the connector 13 terminal surface with a plurality of jacks 14 that binding post L4 on the circuit board corresponds, be provided with in the jack 14 with the electrically conductive barrel 15 that wire 12 electricity is connected, the retraction of electrically conductive barrel 15 terminal surface in the jack 14, a plurality of jacks 14 peripheries are provided with annular seal groove 16, be provided with in the seal groove 16 along jack 14 axial extension's guide way 18, the connector 13 outside is provided with fixed plate 17. One end of the fastening nut 6 is used for being connected with the threaded sleeve 4, and the other end of the fastening nut is provided with a baffle 61 matched with the fixing part 17. The clamping nut 6 is preferably pre-fitted on the conductor 12, so that the volume of the clamping nut can be reduced and loss can be prevented.

Refer to fig. 5 and 6. The relay connector 2 comprises a fixing part 21, a plurality of connecting pins 22 corresponding to the jacks 14 on the connector 13 are arranged on one side of the fixing part 21, a sealing sleeve 23 is arranged on the periphery of each connecting pin 22, and a guide rib 27 matched with the guide groove 18 on the connecting end of the power connector is arranged on the outer side of each sealing sleeve 23; the LED lamp strip comprises a fixing portion 21 and is characterized in that a plurality of lamp strip contact pins 24 electrically connected with the connecting contact pins 22 are arranged on the other side of the fixing portion 21, a square sealing sleeve 25 matched with the LED lamp strip in shape is arranged on the periphery of each lamp strip contact pin 24, the sealing sleeve 25 and the fixing portion 21 are in an injection molding structure, and fixing ribs 26 are arranged on the outer surface of the fixing portion 21.

Refer to fig. 7 to 10. The screw sleeve 4 is provided with a cylindrical outer wall surface and a square inner hole 40 which is matched with the lamp belt outer skin L1 in shape, two ends of the screw sleeve are respectively a sealing end 41 and a connecting end 42, and outer threads 43 are arranged on the outer surfaces of the sealing end 41 and the connecting end 42. The side wall of the sealing end 41 is uniformly provided with four bent yielding grooves 44, the side wall of the sealing end 41 is divided into four pressing blocks 45 by the yielding grooves 44, and the two adjacent pressing blocks 45 mutually extend to press the inner pressing plate 451 of the sealing sleeve 25 and the outer pressing plate 452 pressed on the inner pressing plate 451. The inner press plate 451 and the outer press plate 452 are overlapped with each other in the radial direction of the screw sleeve 4, or at least can be overlapped when two adjacent press pieces 45 are brought together. Specifically, the inner pressing plates 451 may be disposed on both sides of the same pressing block 45, and the outer pressing plates 452 may be disposed on both sides of the adjacent pressing blocks 45; or the inner pressing plate 451 and the outer pressing plate 452 are respectively arranged on two sides of the same pressing block 45. The former is preferred in the utility model, so that when the pressing plate 45 is pressed by the conical nut 5, the pressing blocks 45 with the inner pressing plates 451 arranged on the two sides can be attached to the lamp belt outer skin to be kept still, and the pressing blocks 45 with the outer pressing plates 452 arranged on the two sides are closed to reduce the sliding friction force between the pressing blocks 45 and the sealing sleeve 25. A limiting step 46 matched with the fixing rib 26 on the fixing part 21 is arranged in the connecting end 42. Refer to fig. 6. The conical nut 5 is provided with a conical screw hole 51, the big end of the conical screw hole 51 is used for being connected with the threaded sleeve 4, and the small end of the conical screw hole 51 is provided with a limiting ring 52 matched with the end face of the sealing end 41 of the threaded sleeve 4.

Refer to fig. 3, 8, 9 and 10. The method for connecting the waterproof power supply connecting assembly with the LED lamp strip comprises the following steps: firstly, sequentially sleeving a conical nut 5 and a threaded sleeve 4 on an LED lamp strip L; then, the sealing sleeve 25 of the relay connector 2 is sleeved on the end face of the LED lamp strip, and the lamp strip contact pin 24 is inserted into the end face of the LED lamp strip to be electrically contacted with the wiring terminal L4 in the LED lamp strip L; then, the waterproof ring 3 is sleeved outside the sealing sleeve 23 of the relay connector 2 or in the sealing groove 16 of the power connector connection end, the sealing sleeve 23 is inserted into the sealing groove 16, the guide rib 27 is matched with the guide groove 18, so that the connecting pin 22 can be aligned with the jack 14, and the connecting pin 22 is inserted into the jack 14 and electrically contacted with the conductive cylinder 15 in the jack 14; then screwing a fastening nut 6 into the connecting end 42 of the threaded sleeve 4, wherein a baffle 61 of the fastening nut abuts against a fixing plate 17 of the power supply connector 13, the end surface of the connector 13 abuts against the outer side of a fixing rib 26 of the relay connector 2 and compresses the waterproof ring 3, the inner side of the fixing rib 26 abuts against a limiting step 46 in the threaded sleeve connecting end, and the fastening nut 6 fixes the connector 13, the relay connector 2 and the threaded sleeve 4; finally, the big end of the cone nut 5 is screwed into the sealing end 41 of the thread insert 4 until the end surface of the sealing end 41 of the thread insert 4 abuts against the limiting ring 42 of the cone nut 5; at the moment, the conical nut 5 extrudes the pressing blocks 45 on the threaded sleeve 4, the pressing blocks 45 are mutually closed, the inner pressing plate 451 is attached to the LED lamp strip sheath, the outer pressing plate 452 is pressed on the inner pressing plate 451, the four pressing blocks 45 surround to form a square inner hole matched with the LED lamp strip sheath, and the sealing sleeve 25 is pressed on the LED lamp strip sheath L1.

In the embodiment 1 of the utility model, the bent abdicating groove is formed in the side wall of the screw sleeve, the abdicating groove divides the side wall of the screw sleeve into the plurality of pressing blocks, the inner pressing plate and the outer pressing plate which are mutually overlapped in the radial direction of the screw sleeve are arranged between the adjacent pressing blocks, the inner pressing plate is attached to the outer skin of the LED lamp strip, and the outer pressing plate is pressed on the inner pressing plate, so that the sliding friction force between the pressing blocks and the sealing sleeve can be reduced, the installation is easier, no gap is ensured between the two pressing blocks, and the sealing is reliable; and because the independent relay connector is adopted, two sides of the relay connector are respectively connected with the LED lamp strip and the connecting part of the power supply connector through the lamp strip contact pin and the connecting contact pin, the diameter of the jack on the connecting part is small, the end face of the conductive cylinder body is retracted into the jack, in the installation process, fingers cannot touch the conductive cylinder body to cause electric shock, and the safety is high.

Example 2. The embodiment 2 has the same technical features as the embodiment 1, and the differences between the embodiment 1 and the embodiment are mainly described below, and the detailed description is omitted with reference to the embodiment 1. Refer to fig. 11. The waterproof relay connection structure of the LED lamp strip comprises two sections of LED lamp strips L and a waterproof relay connection assembly for connecting the two sections of LED lamp strips.

Refer to fig. 11 to 15. The waterproof relay connecting assembly comprises a relay connector 2, a threaded sleeve 4 and taper nuts 5, wherein the threaded sleeve 4 is sleeved on the relay connector 2, and the taper nuts 5 are connected to two ends of the threaded sleeve 4. The relay connector 2 comprises a fixing portion 21, light strip pins 24 corresponding to the wiring terminals L4 on the LED light strips L are arranged on two sides of the fixing portion 21, the light strip pins 24 on the two sides of the fixing portion 21 are electrically connected with each other, a square sealing sleeve 25 adapted to the shape of the LED light strip is arranged on the periphery of each light strip pin 24, and the sealing sleeve 25 and the fixing portion 21 are in an injection molding structure. The threaded sleeve 4 is provided with a cylindrical outer wall surface and a square inner hole 40 which is matched with the shape of the lamp belt outer skin, two ends of the threaded sleeve are sealed ends, and outer threads 43 are arranged on the outer surfaces of the two sealed ends. The side walls of both ends of the screw sleeve 4 are provided with a relief groove 44, a pressing block 45, an inner pressing plate 451 and an outer pressing plate 452 which are the same as those of the sealing end of the screw sleeve of embodiment 1.

Refer to fig. 11 to 15. The method for connecting the waterproof relay connection assembly and the LED lamp strip in the embodiment 2 includes the steps that firstly, two conical nuts 5 are respectively sleeved into two sections of LED lamp strips L, the large end of each conical nut 5 faces the end face of each LED lamp strip, and meanwhile, a threaded sleeve 4 is sleeved on one section of the LED lamp strip L; then, sleeving a sealing sleeve 25 of the relay connector 2 on the end surface of one section of the LED lamp strip, inserting the lamp strip contact pin 24 into the end surface of the LED lamp strip to be electrically contacted with a wiring terminal L4 in the LED lamp strip L, and connecting the other end of the relay connector 2 with the other section of the LED lamp strip by the same method; then, the threaded sleeve 4 is sleeved on the relay connector 2, finally, the two conical nuts 5 are screwed with two ends of the threaded sleeve 4 respectively, the four press blocks 45 surround a square inner hole matched with the LED lamp strip sheath, and the seal sleeve 25 is pressed on the LED lamp strip sheath L1.

In embodiment 2 of the utility model, the bent abdicating groove is formed in the side wall of the screw sleeve, the abdicating groove divides the side wall of the screw sleeve into a plurality of pressing blocks, the inner pressing plate and the outer pressing plate which are mutually overlapped in the radial direction of the screw sleeve are arranged between the adjacent pressing blocks, the inner pressing plate is attached to the outer skin of the LED lamp strip, and the outer pressing plate is pressed on the inner pressing plate, so that the sliding friction force between the pressing blocks and the sealing sleeve can be reduced, the installation is easier, meanwhile, no gap is ensured between the two pressing blocks, and the sealing is more reliable.

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. A set up device for sealing up LED lamp area connects, including the swivel nut and with the nut that swivel nut both ends are connected, its characterized in that: the swivel nut has columniform outer wall and the square hole that suits with lamp area crust shape, is equipped with the external screw thread on the swivel nut outer wall, and swivel nut one end is sealed end, evenly be provided with a plurality of grooves of stepping down of bending on the lateral wall of sealed end, a plurality of briquettings are separated with sealed end lateral wall to the groove of stepping down, extend interior clamp plate and outer clamp plate between two adjacent briquettings each other, interior clamp plate and outer clamp plate are upwards overlapped each other at the swivel nut, connect in sealed nut of serving is cone nut, cone nut be used for with the briquetting compresses tightly on the crust in LED lamp area.

2. A fastening device for sealing a LED light strip connector according to claim 1, wherein: the other end of the threaded sleeve is a connecting end, the nut connected to the connecting end is a fastening nut, and the fastening nut is used for connecting the threaded sleeve with a power supply connector.

3. A fastening device for sealing a LED light strip connector according to claim 1, wherein: both ends of the screw sleeve are sealed ends, and nuts connected to both ends of the screw sleeve are the conical nuts.

4. A fastening device for sealing a LED light strip connector according to claim 1, wherein: the conical nut is provided with a conical screw hole, the big end of the conical screw hole is used for being connected with the threaded sleeve, and the small end of the conical screw hole is provided with a limiting ring which can abut against the end face of the threaded sleeve.