CN113898887B

CN113898887B - Full waterproof lamp string

Info

Publication number: CN113898887B
Application number: CN202111241641.2A
Authority: CN
Inventors: 周维平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2023-07-04
Anticipated expiration: 2041-10-25
Also published as: CN113898887A

Abstract

The invention discloses a full waterproof light string, which solves the technical problem that the whole light string in the prior art does not have a waterproof function. The waterproof lamp cap comprises a lamp holder, a wire locating piece, a lamp shade and an LED lamp, wherein the wire locating piece is arranged in the lamp holder, the wire passes through the bottom of the lamp holder and is fixed on the lamp holder through the wire locating piece, the LED lamp is connected to the wire, the lamp shade is clamped on the lamp holder, the wire locating piece, the wire and the lamp shade form a closed space, insulating sealant is filled in the closed space, and after the insulating sealant is solidified, the LED lamp, the junction of the LED lamp and the wire in the closed space are covered and fixed by the wire. The full waterproof lamp string comprises a waterproof lamp cap and a waterproof power plug assembly, so that the waterproof lamp string has a good waterproof effect as a whole.

Description

Full waterproof lamp string

Technical Field

The invention relates to the technical field of decorative lighting, in particular to a full waterproof light string.

Background

With the rapid development of social economy, LEDs are increasingly commonly used as powerful tools for propaganda, advertisement and decoration and beautification, and become an indispensable bright landscape for enterprise identification propaganda and city beautification. The LED light string product can be widely applied to decorative illumination in various places as a high-tech product. Light strings for decorative lighting generally include a power plug assembly and a lamp cap, and existing light strings mostly do not have a waterproof function because charged bodies of the power plug assembly and the lamp cap are exposed to air, and there is a danger of electric shock when the light string is used in rain or in a puddle.

The waterproof lamp cap of the so-called waterproof lamp string sold in the market is characterized in that after the pins of the LED lamp are connected with the core wires at the end parts of the electric wires, the connection parts of the pins of the LED lamp and the core wires at the end parts of the electric wires are coated and molded into a whole in a plastic injection molding mode, so that the aim of waterproof lamp cap is achieved. However, the waterproof reliability of the injection molding process is not very high, and the power plug assembly of the light string is not waterproof, so that the existing so-called waterproof light string is not waterproof as a whole and cannot be put into water for use, thereby limiting the use range of the light string. Therefore, providing a light string with a waterproof function as a whole is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

One of the purposes of the invention is to provide a full waterproof light string, which solves the technical problem that the whole light string in the prior art does not have a waterproof function. The technical effects that can be produced by the preferred technical scheme of the present invention are described in detail below.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the invention relates to a full waterproof lamp string, which comprises a plurality of waterproof lamp caps, a waterproof power plug assembly and electric wires, wherein the waterproof lamp caps are connected with the waterproof power plug assembly through the electric wires; the waterproof lamp cap comprises a lamp holder, an electric wire locating piece, a lamp shade and an LED lamp, wherein the electric wire penetrates through the bottom of the lamp holder, the electric wire locating piece is arranged in the lamp holder and fixes the electric wire penetrating through the bottom of the lamp holder on the lamp holder, the LED lamp is connected to the electric wire in the lamp holder, the lamp shade is clamped on the lamp holder, the electric wire is fixed on the lamp holder through the electric wire locating piece and clamped between the lamp shade and the lamp holder, so that a closed space is formed by the lamp holder, the electric wire locating piece, the electric wire and the lamp shade, transparent insulating sealant is filled in the closed space, and the LED lamp, the connection of the LED lamp and the electric wire in the closed space and the electric wire are wrapped, covered and fixed after the transparent insulating sealant is solidified; the waterproof power plug assembly comprises a direct-insert plug, a back-insert plug, a tail-insert socket and a plug, wherein a sealing assembly is arranged on the direct-insert plug, the back-insert plug and the plug, and is used for sealing a connecting part when at least two of the direct-insert plug, the back-insert plug, the tail-insert socket and the plug are connected; the back plug and the tail plug socket are also provided with an anti-falling buckle and an anti-falling buckle fixing part, and the anti-falling buckle is fixed at the anti-falling buckle fixing part; the plug-in plug, the back plug and the plug are further provided with an anti-falling clamping groove, and when at least two of the plug-in plug, the back plug, the tail plug socket and the plug are connected, the anti-falling clamping buckle is clamped at the anti-falling clamping groove and used for firmly clamping and fixing the connecting part.

According to a preferred embodiment, two through holes are formed in the bottom of the lamp holder of the waterproof lamp cap, the hole diameter of the through holes is not smaller than the diameter of the electric wires, and the two electric wires respectively pass through the bottom of the lamp holder through the through holes; a circle of first bosses and two stand columns are arranged in the axial direction of the bottom of the inner side of the lamp holder, the first bosses are positioned on the outer sides of the two through holes, and the two stand columns are positioned on the inner side of the first bosses and symmetrically positioned on two sides of the central line of the two through holes; the wire positioning sheet is provided with a lap joint part, two first grooves and two second grooves, the first grooves are of semicircular arc structures, and the semicircular aperture of each first groove is the same as the diameter of the wire; the second grooves are of semicircular arc structures, the two second grooves are respectively sleeved with the two upright posts, the semicircular aperture of each second groove and the upright posts are concentric circles, the semicircular aperture of each second groove is not smaller than the diameter of each upright post, and the height of each second groove is not smaller than the height of each upright post; the lap joint part is positioned at the periphery of the bottom of the electric wire locating piece, the two first grooves are symmetrically positioned on two opposite sides of the electric wire locating piece, the two second grooves are symmetrically positioned on two other opposite sides of the electric wire locating piece, and when the electric wire locating piece is arranged in the lamp holder, the bottom of the lap joint part is lap-jointed on the top of the first boss and enables the bottom of the lap joint part to be abutted against the top of the first boss; the circle centers of the two first grooves and the circle centers of the two through holes are staggered, so that two fixing holes with the aperture not larger than the diameter of the electric wire are formed after the two first grooves and the two through holes are overlapped up and down, the electric wire passing through the through holes is tightly wrapped and fixed through the fixing holes, and the joint of the lamp holder, the electric wire locating piece and the electric wire is of a closed structure.

According to a preferred embodiment, a circle of first clamping grooves are formed in the radial direction of the inner side wall of the lamp holder of the waterproof lamp holder, a second boss is arranged in the radial direction of one end, connected with the lamp holder, of the lamp cover, the outer diameter of one end, connected with the lamp holder, of the lamp cover is identical to the inner diameter of the lamp holder, and when the lamp cover is clamped on the lamp holder, the second boss is clamped with the first clamping grooves, and the joint of the lamp cover and the lamp holder is of a closed structure.

According to a preferred embodiment, the waterproof lamp cap further comprises a sleeve flower, and the sleeve flower is arranged on the lamp shade and is clamped with the lamp shade; a circle of second clamping grooves and a circle of first concave-convex grooves are formed in the inner side wall of the sleeve flower, wherein the second clamping grooves are formed in the radial direction of the sleeve flower, and the first concave-convex grooves are formed in the axial direction of the sleeve flower; the outer side surface of lamp shade is provided with third boss and round second tongue-and-groove, the third boss is followed the radial direction of lamp shade sets up and is located the lamp shade middle part, the second tongue-and-groove is followed the axial direction of lamp shade sets up and is located and is close to the one end at lamp shade top, the cover flower cup joint in when on the lamp shade, the second draw-in groove with third boss joint, first tongue-and-groove with the mutual interlock of second tongue-and-groove.

According to a preferred embodiment, a riveting terminal is arranged between the end of the electric wire in the lamp holder and the pin of the LED lamp, the riveting terminal is provided with a first wrapping opening and a second wrapping opening, the first wrapping opening is used for being riveted with the core wire of the end of the electric wire in the lamp holder and fixedly connecting the riveting terminal with the core wire of the end of the electric wire, and the second wrapping opening is used for being riveted with the pin of the LED lamp and fixedly connecting the LED lamp with the core wire of the end of the electric wire through the riveting terminal.

According to a preferred embodiment, a first sealing groove, a second sealing groove and a third sealing groove are respectively arranged on the direct plug, the back plug and the plug of the waterproof power plug assembly, and the sealing assembly is a sealing ring arranged in the first sealing groove, the second sealing groove and the third sealing groove; the middle part of one surface of the anti-falling buckle, which is contacted with the anti-falling buckle fixing part, is provided with two slots, a third clamping groove and a clamping stopping part, wherein the third clamping groove and the clamping stopping part are positioned between the two slots, and the end part of one surface of the anti-falling buckle, which is contacted with the anti-falling buckle fixing part, is provided with a buckling part; the anti-falling buckle fixing parts arranged on the back plug and the tail plug socket comprise two inserting sheets, and a back-buckling part is arranged between the two inserting sheets; when the anti-falling buckle is fixed on the anti-falling buckle fixing part, the inserting piece is inserted into the inserting groove, the back-off part is buckled in the third clamping groove and is abutted with the clamping stopping part, so that the anti-falling buckle cannot be separated from the anti-falling buckle fixing part; when at least two of the direct plug, the back plug, the tail plug socket and the plug are connected, the buckling part of the anti-falling buckle is clamped in the anti-falling clamping groove, so that the connecting part is clamped firmly and fixed.

According to a preferred embodiment, a fixing through hole is formed in the top of the plug of the waterproof power plug assembly, two symmetrical arc-shaped grooves are formed in the outer circumference of the top of the plug and concentric with the fixing through hole, and a notch is formed between the two arc-shaped grooves; a fourth boss, a fifth boss and a sixth boss are arranged on the shell of the back plug and the tail plug socket, wherein the fifth boss and the sixth boss are positioned on two sides of the fourth boss; when the back plug and the tail plug socket provided with the plugs are connected with other plug assemblies, the plugs arranged in the back plug and the tail plug socket are taken out and fixed on the shells of the back plug and the tail plug socket; the plug is fixed on the shell of the back plug and the tail plug socket in the following mode: the fourth boss is inserted into the fixing through hole, the plug is rotated by 90 degrees, the top of the fourth boss is clamped into the inner side of the top of the plug, and meanwhile the fifth boss and the sixth boss are respectively embedded into the two notches between the arc grooves.

According to a preferred embodiment, circuit boards are arranged in the direct plug, the back plug and the tail plug socket of the waterproof power plug assembly, and communication lines for connecting an alternating current power supply of an input end to an output end are arranged on the circuit boards; or a rectifying circuit for converting the alternating current power supply at the input end into the direct current power supply at the output end is arranged; or a time control circuit for controlling the on-off of the power supply of the output end is arranged; the electric wire positioning piece is used for fixing the electric wire on the sealed cavity and sealing the electric wire inlet and the electric wire outlet, insulating sealant is filled in the sealed cavity, and the circuit board and electric appliance elements on the circuit board are wrapped, covered and fixed in the cavity after the insulating sealant is solidified.

According to a preferred embodiment, the all-waterproof lamp string consists of a plurality of waterproof lamp caps and the in-line plug connected with the waterproof lamp caps through the electric wires; or the full waterproof lamp string consists of a plurality of waterproof lamp caps, the direct plug connected with the waterproof lamp caps through the electric wires, the tail plug socket and the plug; or the full waterproof lamp string consists of a plurality of waterproof lamp holders, the back plug connected with the waterproof lamp holders through the electric wires and the plug; or the full waterproof lamp string is composed of a plurality of waterproof lamp caps, the back plug connected with the waterproof lamp caps through the wires, the plug, the tail plug socket and the plug; when at least two strings of the full waterproof light strings are connected and used, the straight plug or the back plug of one string of the full waterproof light strings is connected with the back plug part or the tail plug socket of the back plug of the other string of the full waterproof light strings.

According to a preferred embodiment, the waterproof light string further comprises a power plug conversion part, the power plug conversion part is formed by connecting a power plug with the tail plug socket through a wire, and the waterproof light string is connected with the tail plug socket of the power plug conversion part through the direct plug or the back plug, so that the waterproof light string can be connected with an external power supply through the power plug of the power plug conversion part.

The full waterproof light string provided by the invention has at least the following beneficial technical effects:

the waterproof lamp cap of the full waterproof lamp string adopts a sealed space formed by the lamp shade, the lamp holder, the electric wire and the electric wire locating piece in the lamp holder, the connection part of the LED lamp and the electric wire are contained in the sealed space, and the transparent insulating sealant is injected into the sealed space, so that the connection part of the LED lamp and the electric wire in the sealed space and the electric wire are covered and fixed after the transparent insulating sealant is solidified, and the waterproof lamp cap has a very good waterproof effect; on the other hand, be provided with seal assembly on plug, back of body plug and the end cap of waterproof power plug subassembly, seal assembly sets up to the sealing washer, still be provided with anticreep buckle and anticreep buckle fixed part on plug and the tail plug socket of inserting, anticreep buckle is fixed in anticreep buckle fixed part department and makes it unable break away from, plug and plug are inserted in the back of body, still be provided with anticreep draw-in groove on the end cap, make when plug, plug and the tail plug are inserted in the at least two of end cap of inserting, seal effect through seal assembly's sealing washer, and the joint effect of anticreep buckle and anticreep draw-in groove is sealed, the card is firmly fixed, can make the connection use of waterproof power plug subassembly each other have very good water-proof effects. The waterproof lamp cap and the waterproof power plug component are matched to ensure that the whole lamp string has a very good waterproof effect, and the whole lamp string can be put into water for use, so that the application range of the lamp string is expanded. The full waterproof lamp string solves the technical problem that the whole lamp string in the prior art does not have a waterproof function.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a fully waterproof light string in which a waterproof light head and a plug-in plug of the present invention are connected by wires;

FIG. 2 is a schematic diagram of a fully waterproof light string with waterproof lamp holders, a direct plug and a tail plug socket plus plug of the invention connected by wires;

FIG. 3 is a schematic view of a fully waterproof light string of the invention with a waterproof light head and a back plug connected by wires;

FIG. 4 is a schematic diagram of a fully waterproof light string with waterproof lamp heads, back plug plugs and tail plug sockets of the present invention connected by wires;

FIG. 5 is a schematic diagram of a preferred embodiment of the power plug conversion portion of the present invention;

FIG. 6 is a schematic diagram of a waterproof string light of the present invention connected by wires to a power plug conversion unit;

FIG. 7 is a schematic diagram of a waterproof string of lights connected by wires to a power plug conversion unit of the present invention;

FIG. 8 is a schematic diagram of a waterproof string of lights connected by wires to a power plug adapter by a waterproof light head and a plug-in plug of the present invention;

FIG. 9 is a schematic diagram of a fully waterproof light string of the present invention connected by wires to a power plug conversion section by a waterproof light head, a back plug and a tail plug socket plug;

FIG. 10 is a schematic diagram of a two string fully waterproof light string and power plug conversion section of the present invention in use;

fig. 11 is a first schematic view of a preferred embodiment of the lamp socket of the present invention;

fig. 12 is a second schematic view of a preferred embodiment of the lamp socket of the present invention;

fig. 13 is a third schematic view of a preferred embodiment of the lamp socket of the present invention;

FIG. 14 is a first schematic view of a preferred embodiment of the wire locating tab of the present invention;

FIG. 15 is a second schematic view of a preferred embodiment of the wire locating tab of the present invention;

figure 16 is a schematic view of a preferred embodiment of a globe of the present invention;

FIG. 17 is a schematic view of a preferred embodiment of the sleeve of the present invention;

FIG. 18 is a schematic view of a preferred embodiment of the rivet terminal of the present invention;

FIG. 19 is a schematic view of the core wire connection of the rivet terminal of the present invention to the wire end;

FIG. 20 is a first schematic view of a preferred embodiment of an in-line plug of the present invention;

FIG. 21 is a second schematic view of a preferred embodiment of an in-line plug of the present invention;

FIG. 22 is a first schematic view of a preferred embodiment of the back-insertion plug of the present invention;

FIG. 23 is a second schematic view of a preferred embodiment of the back-insertion plug of the present invention;

FIG. 24 is a third schematic view of a preferred embodiment of the back-insertion plug of the present invention;

FIG. 25 is a first schematic view of a preferred embodiment of the rear plug receptacle of the present invention;

FIG. 26 is a second schematic view of a preferred embodiment of the rear plug receptacle of the present invention;

FIG. 27 is a first schematic view of a preferred embodiment of the plug of the present invention;

FIG. 28 is a second schematic view of a preferred embodiment of the stopper of the present invention;

FIG. 29 is a schematic view of a preferred embodiment of the anti-slip clasp of the present invention;

FIG. 30 is a schematic view of the back plug, back plug and plug connection use of the present invention;

FIG. 31 is a schematic illustration of the back plug and in-line plug connection of the present invention in use;

FIG. 32 is a schematic illustration of the use of the back plug and plug connection of the present invention;

FIG. 33 is a schematic view of the use of the rear plug receptacle, rear plug and plug connection of the present invention;

FIG. 34 is a schematic illustration of the use of the tail jack and plug connection of the present invention;

FIG. 35 is a schematic illustration of the use of the tail jack and in-line plug connection of the present invention;

FIG. 36 is a schematic view of the invention in use with a rear plug receptacle, rear plug and plug connection;

fig. 37 is a schematic diagram of the invention in use with a rear plug receptacle, a rear plug, a straight plug and a plug.

In the figure: 10. a waterproof lamp cap; 11. a lamp holder; 111. a through hole; 112. a first boss; 113. a column; 114. a first clamping groove; 12. a wire positioning piece; 121. a lap joint; 122. a first groove; 123. a second groove; 13. a lamp shade; 131. a second boss; 132. a third boss; 133. a second concave-convex groove; 14. flower sleeving; 141. a second clamping groove; 142. a first concave-convex groove; 21. a plug is inserted directly; 211. a first sealing groove; 22. a back plug; 221. a second sealing groove; 23. a tail plug socket; 24. a plug; 241. a third sealing groove; 242. a fixing through hole; 243. an arc-shaped groove; 244. a notch; 245. a fourth boss; 246. a fifth boss; 247. a sixth boss; 25. anti-falling buckle; 251. a fastening part; 252. a slot; 253. a third clamping groove; 254. a locking part; 26. an anti-falling buckle fixing part; 261. inserting sheets; 262. a back-off part; 2621. reinforcing ribs; 27. an anti-falling clamping groove; 30. an electric wire; 31. riveting a terminal; 311. a first packet port; 312. a second package opening; 40. a power plug conversion unit; 41. a power plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.

The full waterproof string light of this embodiment will be described in detail with reference to fig. 1 to 37 of the accompanying drawings.

The waterproof lamp string of this embodiment includes waterproof lamp caps 10, waterproof power plug assemblies and electric wires 30, the number of waterproof lamp caps 10 is a plurality of, and a plurality of waterproof lamp caps 10 are connected with waterproof power plug assemblies through electric wires 30, as shown in fig. 1 to 4. Preferably, the waterproof lamp cap 10 comprises a lamp holder 11, an electric wire positioning sheet 12, a lamp shade 13 and an LED lamp, wherein an electric wire 30 penetrates through the bottom of the lamp holder 11, the electric wire positioning sheet 12 is arranged in the lamp holder 11 and fixes the electric wire 30 penetrating through the bottom of the lamp holder 11 on the lamp holder 11, the LED lamp is connected to the electric wire 30 in the lamp holder 11, the lamp shade 13 is clamped on the lamp holder 11 and is fixed on the lamp holder 11 through the electric wire 30 by the electric wire positioning sheet 12, the lamp holder 11, the electric wire positioning sheet 12, the electric wire 30 and the lamp shade 13 form a closed space, transparent insulating sealant is filled in the closed space, the connecting parts of the LED lamp, the LED lamp and the electric wire 30 in the closed space and the electric wire 30 are wrapped and covered and fixed after the transparent insulating sealant is solidified, and the lamp holder 11, the electric wire positioning sheet 12 and the lamp shade 13 are shown in fig. 11-16. Preferably, the waterproof power plug assembly comprises a direct plug 21, a back plug 22, a tail plug socket 23 and a plug 24, wherein a sealing assembly is arranged on the direct plug 21, the back plug 22 and the plug 24, and is used for sealing a connecting position when at least two of the direct plug 21, the back plug 22, the tail plug socket 23 and the plug 24 are connected; the back plug 22 and the tail plug socket 23 are also provided with an anti-falling buckle 25 and an anti-falling buckle fixing part 26, and the anti-falling buckle 25 is fixed at the anti-falling buckle fixing part 26; the straight plug 21, the back plug 22 and the plug 24 are further provided with an anti-falling clamping groove 27, and when at least two of the straight plug 21, the back plug 22, the tail plug socket 23 and the plug 24 are connected, the anti-falling clamping buckle 25 is clamped at the anti-falling clamping groove 27 and used for clamping and fixing the connecting part, as shown in fig. 20-37.

The waterproof lamp cap of the full waterproof lamp string of the embodiment adopts a sealed space formed by the lamp shade 13, the lamp holder 11, the electric wire 30 and the electric wire locating piece 12 in the lamp holder 11, the connection part of the LED lamp and the electric wire 30 are contained in the sealed space, and then the transparent insulating sealant is injected into the sealed space, and after the transparent insulating sealant is solidified, the connection part of the LED lamp and the electric wire 30 in the sealed space are covered and fixed, so that the waterproof lamp cap has a very good waterproof effect; on the other hand, the direct plug 21, the back plug 22 and the plug 24 of the waterproof power plug assembly are provided with sealing assemblies, the sealing assemblies are provided with sealing rings, the back plug 22 and the tail plug socket 23 are further provided with anti-falling buckles 25 and anti-falling buckle fixing parts 26, the anti-falling buckles 25 are fixed at the anti-falling buckle fixing parts 26 to enable the anti-falling buckles to be incapable of falling off, and the direct plug 21, the back plug 22 and the plug 24 are further provided with anti-falling clamping grooves 27, so that when at least two of the direct plug 21, the back plug 22, the tail plug socket 23 and the plug 24 are connected, the connecting parts are sealed and clamped firmly through the sealing effect of the sealing rings of the sealing assemblies and the clamping effect of the anti-falling buckles 25 and the anti-falling clamping grooves 27, and the waterproof power plug assembly can be connected with each other to have good waterproof effect. Namely, the full waterproof lamp string of the embodiment is matched with the waterproof lamp cap and the waterproof power plug assembly, so that the whole lamp string has a very good waterproof effect, and the whole lamp string can be placed in water for use, and the use range of the lamp string is expanded. Namely, the full waterproof lamp string of the embodiment solves the technical problem that the whole lamp string in the prior art does not have a waterproof function.

According to a preferred embodiment, two slots 252, a third clamping groove 253 and a clamping stopping part 254 between the two slots 252 are arranged in the middle of the surface of the anti-falling buckle 25 contacted with the anti-falling buckle fixing part 26, and a buckling part 251 is arranged at the end of the surface of the anti-falling buckle 25 contacted with the anti-falling buckle fixing part 26, as shown in fig. 20; the anti-drop snap fixing portions 26 provided on the back plug 22 and the tail plug receptacle 23 include two insertion pieces 261, and an inverted portion 262 is further provided between the two insertion pieces 261, as shown in fig. 26 and 29; when the anti-falling buckle 25 is fixed on the anti-falling buckle fixing portion 26, the inserting piece 261 is inserted into the inserting groove 252, the back-off portion 262 is buckled in the third clamping groove 253 and is abutted against the locking portion 254, so that the anti-falling buckle 25 cannot be separated from the anti-falling buckle fixing portion 26; the straight plug 21, the back plug 22 and the plug 24 are provided with anti-falling clamping grooves 27, as shown in fig. 22, 23, 25 and 26; when at least two of the in-line plug 21, the back plug 22, the tail plug socket 23 and the plug 24 are connected, the fastening portion 251 of the anti-drop fastener 25 is fastened in the anti-drop slot 27, so that the connection portion is fastened and fixed, as shown in fig. 30 to 37. Preferably, the anti-falling buckle 25 is provided with a buckling part 251, the opposite two surfaces of the back plug 22 and the tail plug socket 23 are respectively provided with an anti-falling buckle fixing part 26, and the opposite two surfaces of the straight plug 21, the back plug 22 and the plug 24 are respectively provided with an anti-falling clamping groove 27, as shown in fig. 20, 22, 23, 26 and 29. In the preferred technical solution of this embodiment, the anti-falling buckle 25 is fixed at the anti-falling buckle fixing portion 26, and the connection portion can be firmly fastened by the fastening portion 251 of the anti-falling buckle 25 and the anti-falling slot 27.

Specifically, when in use, the anti-falling buckle 25 comprises the following steps: (1) The two inserting pieces 261 are respectively inserted into the two inserting grooves 252, and the back-off part 262 is buckled in the third clamping groove 253 and is abutted against the clamping stopping part 254, so that the anti-falling buckle 25 is fixed on the anti-falling buckle fixing part 26 and cannot fall off; (2) Before being connected with other plug assemblies, the anti-falling buckles 25 on the two sides of the shell are pressed against one end far away from the plug interface, so that one end, close to the plug interface, of the anti-falling buckle 25 on the two sides of the shell is formed into a horn mouth shape; (3) Inserting other plug components into the cavities of the back plug portion of the back plug 22 and the tail plug socket 23 provided with the anti-falling buckle 25; (4) Releasing the pressure pressing the anti-falling buckle 25 to enable the buckling part 251 of the anti-falling buckle 25 to be clamped in the anti-falling clamping groove 27, and simultaneously pressing the buckling parts 251 of the anti-falling buckles 25 at the two sides of the shell forcibly to enable the anti-falling buckles 25 at the two sides of the shell to be in a parallel state; thus, the connection of the plug assembly can be completed. When the connected plug assembly needs to be taken out, the other ends, far away from one ends of the buckling parts 251, of the anti-falling buckles 25 on the two sides of the shell are pressed with force at the same time, so that the anti-falling buckles 25 on the two sides of the shell are in a horn mouth shape, the buckling parts 251 are separated from the anti-falling clamping grooves 27, and then the connected plug assembly is pulled out.

According to a preferred embodiment, the locking portion 254 has a T-shaped structure, and the lateral edge of the locking portion 254 is adapted to abut against the back-off portion 262, and the vertical edge of the locking portion 254 has a structure in which the height of the surface of the anti-disengagement buckle 25 is gradually reduced from one end near the lateral edge to one end far from the lateral edge, as shown in fig. 20. The back-off portion 262 is provided with a reinforcing rib 2621, and the reinforcing rib 2621 has a structure in which the protruding height gradually decreases from one end near the back-off portion 262 to one end far from the back-off portion 262, as shown in fig. 26 or 29. In this embodiment, the structural design of the locking portion 254 and the back-off portion 262 is preferred, so that the disengagement phenomenon will not occur when the disengagement preventing buckle 25 is fixed at the disengagement preventing buckle fixing portion 26.

According to a preferred embodiment, the bottom of the lamp base 11 of the waterproof lamp head 10 is provided with two through holes 111, the diameter of the through holes 111 is not smaller than the diameter of the electric wires 30, and the two electric wires 30 pass through the bottom of the lamp base 11 through the through holes 111, respectively, as shown in fig. 11 and 12. The lamp socket 11 is provided with a circle of first bosses 112 and two upright posts 113 in the axial direction at the bottom of the inner side, the first bosses 112 are located at the outer sides of the two through holes 111, and the two upright posts 113 are located at the inner sides of the first bosses 112 and symmetrically located at the two sides of the center line of the two through holes 111, as shown in fig. 12 and 13. The wire positioning piece 12 is provided with a lap joint part 121, two first grooves 122 and two second grooves 123, the first grooves 122 are of a semicircular arc structure, and the semicircular aperture of the first grooves 122 is the same as the diameter of the wire 30, as shown in fig. 14; the second grooves 123 are of a semicircular arc structure, the two second grooves 123 are respectively sleeved with the two upright posts 113, the semicircular aperture of each second groove 123 and the upright posts 113 are concentric circles, the semicircular aperture of each second groove 123 is not smaller than the diameter of each upright post 113, and the height of each second groove 123 is not smaller than the height of each upright post 113, as shown in fig. 15; the overlapping portion 121 is located around the bottom of the wire locating piece 12, two first grooves 122 are symmetrically located on two opposite sides of the wire locating piece 12, two second grooves 123 are symmetrically located on two other opposite sides of the wire locating piece 12, and when the wire locating piece 12 is arranged in the lamp holder 11, the bottom of the overlapping portion 121 is overlapped on the top of the first boss 112 and enables the bottom of the overlapping portion 121 to be abutted against the top of the first boss 112. The centers of the two first grooves 122 and the centers of the two through holes 111 are offset from each other, so that two fixing holes with the aperture not larger than the diameter of the electric wire 30 are formed after the two first grooves 122 and the two through holes 111 are overlapped up and down, the electric wire 30 passing through the through holes 111 is fastened and fixed through the fixing holes, and the joint of the lamp holder 11 and the electric wire locating piece 12 and the electric wire 30 is in a closed structure.

According to a preferred embodiment, a circle of first clamping grooves 114 are formed in the radial direction of the inner side wall of the lamp holder 11 of the waterproof lamp cap, a second boss 131 is formed in the radial direction of the end, connected with the lamp holder 11, of the lamp shade 13, the outer diameter of the end, connected with the lamp holder 11, of the lamp shade 13 is identical to the inner diameter of the lamp holder 11, and when the lamp shade 13 is clamped on the lamp holder 11, the second boss 131 is clamped with the first clamping grooves 114, and the joint of the lamp shade 13 and the lamp holder 11 is of a closed structure, as shown in fig. 13 and 16. In the preferred technical solution of this embodiment, a circle of first clamping groove 114 is provided in the radial direction of the inner sidewall of the lamp holder 11, a second boss 131 is provided in the radial direction of the end of the lamp shade 13 connected to the lamp holder 11, and when the lamp shade 13 is clamped to the lamp holder 11, the joint between the lamp shade 13 and the lamp holder 11 can be made into a closed structure by the clamping of the second boss 131 and the first clamping groove 114.

According to the waterproof lamp cap 10 of the preferred technical scheme of the embodiment, through the airtight structure of the joint of the lamp holder 11 and the wire locating piece 12 with the wire 30 and the airtight structure of the joint of the lamp shade 13 with the lamp holder 11, the wire locating piece 12, the wire 30 and the lamp shade 13 form an airtight space, and through the transparent insulating sealant filled in the airtight space, the joint of the LED lamp and the wire 30 in the airtight space are covered and fixed after the transparent insulating sealant is solidified, so that the waterproof lamp cap has a very good waterproof effect.

According to a preferred embodiment, the waterproof lamp cap 10 further comprises a sleeve flower 14, wherein the sleeve flower 14 is arranged on the lamp shade 13 and is clamped with the lamp shade 13, as shown in fig. 17. Preferably, a circle of second clamping grooves 141 and a circle of first concave-convex grooves 142 are arranged on the inner side wall of the sleeve flower 14, wherein the second clamping grooves 141 are arranged along the radial direction of the sleeve flower 14, and the first concave-convex grooves 142 are arranged along the axial direction of the sleeve flower 14; the outer side surface of the lamp shade 13 is provided with a third boss 132 and a circle of second concave-convex groove 133, the third boss 132 is arranged along the radial direction of the lamp shade 13 and is located in the middle of the lamp shade 13, the second concave-convex groove 133 is arranged along the axial direction of the lamp shade 13 and is located at one end close to the top of the lamp shade 13, when the sleeve flower 14 is sheathed on the lamp shade 13, the second clamping groove 141 is clamped with the third boss 132, and the first concave-convex groove 142 and the second concave-convex groove 133 are mutually meshed, as shown in fig. 16 and 17. The flower 14 of the preferred embodiment is spherical, candle-shaped, strawberry-shaped, star-shaped, triangular, etc. The waterproof lamp cap 10 according to the preferred technical scheme of the embodiment further comprises the sleeve flower 14, and the sleeve flower 14 is sleeved on the lampshade 13, so that the attractiveness of the waterproof lamp cap can be enhanced, and the appearance style of the waterproof lamp cap is enriched.

According to a preferred embodiment, a riveted terminal 31 is provided between the end of the wire 30 of the waterproof lamp cap located in the lamp socket 11 and the pin of the LED lamp, as shown in fig. 18. Preferably, the riveting terminal 31 is provided with a first wrapping opening 311 and a second wrapping opening 312, the first wrapping opening 311 is used for being riveted with a core wire of the end part of the electric wire 30 in the lamp holder 11 and fixedly connecting the riveting terminal 31 with the core wire of the end part of the electric wire 30, and the second wrapping opening 312 is used for being riveted with a pin of the LED lamp and fixedly connecting the LED lamp with the core wire of the end part of the electric wire 30 through the riveting terminal 31, as shown in fig. 19. Preferably, the first wrapping opening 311 and the second wrapping opening 312 are grooves similar to a U-shaped structure, the core wires at the end parts of the electric wires 30 are placed in the first wrapping opening 311, and the core wires at the end parts of the electric wires 30 can be wrapped and riveted together through the baffle plates at the two sides of the first wrapping opening 311; the pins of the LED lamp are placed in the second wrapping openings 312, and the pins of the LED lamp can be wrapped and riveted through the baffle plates on two sides of the second wrapping openings 312. In the prior art, the end core wire of the electric wire 30 and the pin of the LED lamp which are overlapped together are directly riveted and fixed by copper strips by a copper strip riveting machine, in this way, the length of the pin of the LED lamp is required to be longer to realize continuous riveting, while the closed space formed by the lamp holder 11, the electric wire locating piece 12, the electric wire 30 and the lampshade 13 in this embodiment requires the length of the pin of the LED lamp to be shorter (about 5 mm), the connection part of the LED lamp and the electric wire 30 in the closed space and the electric wire 30 are covered and fixed by the cured transparent insulating sealant, and the short pin length of the LED lamp cannot be riveted and fixed by continuous copper strips after being directly overlapped with the core wire of the end part of the electric wire 30 by the copper strip riveting machine. According to the preferred technical scheme, through the arrangement of the riveting terminal 31, the first wrapping opening 311 and the second wrapping opening 312 are arranged on the riveting terminal 31, the core wires at the end parts of the electric wires 30 are wrapped and riveted through the first wrapping opening 311 of the riveting terminal 31, so that the riveting terminal 31 and the core wires at the end parts of the electric wires 30 are fixedly connected together, then the pins of the LED lamp in the next process are wrapped and riveted through the second wrapping opening 312 of the riveting terminal 31, the LED lamp is fixedly connected with the core wires at the end parts of the electric wires 30 through the riveting terminal 31, and large-scale and automatic production is facilitated, and the efficiency is improved.

According to a preferred embodiment, the first sealing groove 211, the second sealing groove 221 and the third sealing groove 241 are respectively provided on the in-line plug 21, the back plug 22 and the plug 24 of the waterproof power plug assembly, and the sealing assembly is a sealing ring placed in the first sealing groove 211, the second sealing groove 221 and the third sealing groove 241, as shown in fig. 22 to 26. Preferably, the number of the first sealing groove 211, the second sealing groove 221 and the third sealing groove 241 is at least two circles to place at least two circles of sealing rings, thereby enhancing the sealing effect of the joint.

According to a preferred embodiment, the top of the plug 24 of the waterproof power plug assembly is provided with a fixing through hole 242, two symmetrical arc-shaped grooves 243 are arranged at the outer circumference of the top of the plug 24 concentric with the fixing through hole 242, and a notch 244 is arranged between the two arc-shaped grooves 243, as shown in fig. 21; the housing of the rear plug 22 and the rear plug receptacle 23 is provided with a fourth boss 245, a fifth boss 246 and a sixth boss 247, wherein the fifth boss 246 and the sixth boss 247 are located on both sides of the fourth boss 245, as shown in fig. 26 and 28. The top of the fourth land 245 is, for example, plum blossom-shaped; the fifth boss 246 and the sixth boss 247 are, for example, in the form of convex dots. When the back plug 22 and the tail plug socket 23 provided with the plugs 24 are connected with other plug assemblies, the plugs 24 arranged in the back plug 22 and the tail plug socket 23 are taken out and fixed on the shells of the back plug 22 and the tail plug socket 23; the plug 24 is fixed to the housing of the rear plug 22 and the rear plug receptacle 23 by: the fourth boss 245 is inserted into the fixing through hole 242 of the cap 24 while the fifth boss 246 and the sixth boss 247 are respectively inserted into the arc-shaped grooves 243, and by rotating the cap 24 by 90 °, the top of the fourth boss 245 in a plum-blossom shape is caught inside the top of the cap 24 (so that the cap 24 is ensured not to fall off in the up-down direction), while the fifth boss 246 and the sixth boss 247 are respectively inserted into the two recesses 244 between the arc-shaped grooves 243 from inside the arc-shaped grooves 243 (so that the cap 24 is ensured not to move rotationally in the horizontal direction), as shown in fig. 37. According to the preferred technical scheme of the embodiment, the fixing through hole 242, the arc-shaped groove 243 and the third notch 244 are formed in the plug 24, the fourth boss 245, the fifth boss 246 and the sixth boss 247 are formed in the shell of the back plug 22 and the tail plug socket 23, and the plug 24 can be fixed on the shell of the back plug 22 and the tail plug socket 23 through the cooperation of the components, so that the problem that the plug 24 is not easy to store when not used is solved. When the plug 24 fixed on the shell of the tail plug socket 23 needs to be taken out, the plug 24 is only required to be rotated by 90 degrees, and then the fourth boss 245 on the shell of the tail plug socket 23 is withdrawn from the fixing through hole 242 in the center of the plug 24.

Specifically, the plug 24 is fixed to the housing of the back plug 22 and the tail plug receptacle 23 by: for example, when the tail jack 23 is inserted into the plug 21 or the plug 22, the plug 24 of the tail jack 23 is taken out from the tail jack 23, the fixing through hole 242 at the top of the plug 24 is sleeved on the fourth boss 245 on the shell of the tail jack 23, the two arc-shaped grooves 243 at the top of the plug 24 are aligned with the fifth boss 246 and the sixth boss 247 at two sides of the fourth boss 245, then the plug is forcibly rotated by 90 degrees, the top of the plum blossom-shaped fourth boss 245 is clamped into the inner side of the top of the plug 24, and meanwhile, the fifth boss 246 and the sixth boss 247 on the shell of the tail jack 23 are respectively rotated into the notch 244 between the two arc-shaped grooves 243 on the plug 24, so that the plug 24 is fixed on the shell of the tail jack 23, and the plug 24 cannot fall off from the shell of the tail jack 23 without external force. When the plug 24 fixed on the shell of the tail plug socket 23 needs to be taken out, the plug 24 is only required to be rotated by 90 degrees, so that the fifth boss 246 and the sixth boss 247 are respectively embedded into the arc-shaped grooves 243 from the two notches 244 between the arc-shaped grooves 243, and then the fourth boss 245 on the shell of the tail plug socket 23 is withdrawn from the fixing through hole 242 at the top of the plug 24.

Similarly, the plug 24 on the back plug 22 may be secured to the housing of the back plug 22 in the same manner when not in use. Similarly, when the plug 24 fixed to the housing of the back plug 22 is removed, the plug 24 fixed to the housing of the back plug 22 may be removed in the same manner.

According to a preferred embodiment, the direct plug 21, the back plug 22 and the tail plug socket 23 of the waterproof power plug assembly are internally provided with circuit boards, and the circuit boards are provided with communication lines for connecting an alternating current power supply of an input end to an output end; or a rectifying circuit for converting the alternating current power supply at the input end into the direct current power supply at the output end is arranged; or a time control circuit for controlling the on-off of the power supply of the output end is arranged; and the straight plug 21, the back plug 22 and the tail plug socket 23 are also internally provided with a closed cavity for placing a circuit board, the wire inlet and the wire outlet of the closed cavity are respectively provided with a wire locating piece, the wire locating pieces fix the wires on the closed cavity and seal the wire inlet and the wire outlet, insulating sealant is filled in the closed cavity, and the circuit board and the electrical components on the circuit board are covered and fixed after the insulating sealant is solidified. The cavity in which the circuit board is placed is shown in fig. 24, 27 and 29. Preferably, the rectifying circuit and the time control circuit may be circuit structures in the prior art, and are not described herein. The power supply of the preferred technical scheme of the embodiment has various modes, and can be specifically an output constant alternating current, an output constant direct current or an output on-off controllable power supply. The direct plug 21, the back plug 22 and the tail plug socket 23 of the waterproof power plug assembly according to the preferred technical scheme of the embodiment are also internally provided with a closed cavity for placing the circuit board, and the circuit board in the cavity and the electrical components on the circuit board are covered and fixed after the insulating sealant is solidified by filling insulating sealant in the closed cavity, so that the waterproof function can be achieved.

According to a preferred embodiment, the all waterproof string consists of a plurality of waterproof lamp heads 10 and in-line plugs 21 connected to the plurality of waterproof lamp heads 10 through wires 30, as shown in fig. 1. Or the full waterproof lamp string is composed of a plurality of waterproof lamp caps 10, a direct plug 21 connected with the waterproof lamp caps 10 through wires 30, and a tail plug socket 23 with plugs 24, as shown in fig. 2. Specifically, the in-line plug 21 is located at one end of the wire 30, and the plug 24 is used in combination with the tail plug receptacle 23 at the other end of the wire 30. Or the full waterproof lamp string is composed of a plurality of waterproof lamp caps 10 and back plug 22 and plugs 24 which are connected with the waterproof lamp caps 10 through wires 30, as shown in fig. 3. Specifically, plug 24 is used in combination with back plug 22. Or the full waterproof lamp string is composed of a plurality of waterproof lamp caps 10, a back plug 22 and a plug 24 which are connected with the waterproof lamp caps 10 through wires 30, and a tail plug socket 23 and the plug 24, as shown in fig. 4. Specifically, the plug 24 is combined with the back plug 22 and is positioned at one end of the electric wire 30, and the plug 24 is combined with the tail plug socket 23 and is positioned at the other end of the electric wire 30; when at least two strings of the waterproof strings are connected for use, the straight plug 21 or the back plug 22 of one string of the waterproof strings is connected with the back plug portion or the tail plug socket 23 of the back plug 22 of the other string of the waterproof strings, as shown in fig. 10. The waterproof light string according to the preferred embodiment of the present invention may be in any combination, and will not be described in detail herein.

According to a preferred embodiment, the fully waterproof light string further includes a power plug conversion portion 40, as shown in fig. 5. Preferably, the power plug conversion part 40 is composed of a power plug 41 and a tail socket 23 connected through a wire 30, and the full waterproof string light is connected with the tail socket 23 of the power plug conversion part 40 through a direct plug 21 or a back plug 22, so that the full waterproof string light can be connected with an external power source through the power plug 41 of the power plug conversion part 40, as shown in fig. 6 to 10. The power plug conversion part 40 of the preferred technical solution of the present embodiment is formed by connecting the power plug 41 and the tail plug socket 23 through the electric wire 30, wherein the tail plug socket 23 can be fixedly connected with the direct plug 21 or the back plug 22 on the full waterproof string light, the connection part can be kept sealed through the sealing component, and the connection part 251 of the anti-falling buckle 25 on the tail plug socket 23 is firmly clamped and fixed with the direct plug 21 or the anti-falling clamping groove 27 on the back plug 22 of the full waterproof string light, so that the connection part of the tail plug socket 23 of the power plug conversion part 40 and the waterproof power plug component of the full waterproof string light also has a very good waterproof effect. The whole waterproof lamp string has a very good waterproof effect, and the lamp string can be integrally put into water for use, so that the use range of the lamp string is expanded.

In the description of the present invention, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The waterproof lamp string is characterized by comprising a plurality of waterproof lamp caps (10), waterproof power plug assemblies and wires (30), wherein the waterproof lamp caps (10) are connected with the waterproof power plug assemblies through the wires (30);

the waterproof lamp cap (10) comprises a lamp holder (11), a wire locating piece (12), a lamp shade (13) and an LED lamp, wherein the wire (30) penetrates through the bottom of the lamp holder (11), the wire locating piece (12) is arranged in the lamp holder (11) and fixes the wire (30) penetrating through the bottom of the lamp holder (11) on the lamp holder (11), the LED lamp is connected to the wire (30) in the lamp holder (11), the lamp shade (13) is clamped on the lamp holder (11), and is fixed on the lamp holder (11) through the wire (30) by the wire locating piece (12), and the lamp shade (13) and the lamp holder (11) are clamped so that a closed space is formed by the wire locating piece (12), the wire (30) and the lamp shade (13), transparent insulating sealant is poured in the closed space, and the LED lamp, the wire (30) and the wire (30) in the closed space are covered and fixed by the wire (30) after the transparent insulating sealant is cured;

The waterproof power plug assembly comprises a direct plug (21), a back plug (22), a tail plug socket (23) and a plug (24), wherein a sealing assembly is arranged on the direct plug (21), the back plug (22) and the plug (24), and is used for sealing a connecting part when at least two of the direct plug (21), the back plug (22), the tail plug socket (23) and the plug (24) are connected;

the back plug (22) and the tail plug socket (23) are also provided with an anti-falling buckle (25) and an anti-falling buckle fixing part (26), and the anti-falling buckle (25) is fixed at the anti-falling buckle fixing part (26); the plug-in plug (21), the back plug (22) and the plug (24) are further provided with anti-falling clamping grooves (27), and when at least two of the plug-in plug (21), the back plug (22), the tail plug socket (23) and the plug (24) are connected, the anti-falling clamping buckle (25) is clamped at the anti-falling clamping grooves (27) and used for clamping and fixing the connecting part;

the bottom of the lamp holder (11) of the waterproof lamp cap (10) is provided with two through holes (111), the aperture of the through holes (111) is not smaller than the diameter of the electric wires (30), and the two electric wires (30) respectively pass through the bottom of the lamp holder (11) through the through holes (111);

A circle of first bosses (112) and two stand columns (113) are arranged in the axial direction of the bottom of the inner side of the lamp holder (11), the first bosses (112) are positioned on the outer sides of the two through holes (111), and the two stand columns (113) are positioned on the inner side of the first bosses (112) and symmetrically positioned on two sides of the central line of the two through holes (111);

the wire positioning piece (12) is provided with a lap joint part (121), two first grooves (122) and two second grooves (123), the first grooves (122) are of a semicircular arc structure, and the semicircular aperture of the first grooves (122) is the same as the diameter of the wire (30); the second grooves (123) are of semicircular arc structures, the two second grooves (123) are respectively sleeved with the two upright posts (113), the semicircular aperture of each second groove (123) and the upright posts (113) are concentric circles, the semicircular aperture of each second groove (123) is not smaller than the diameter of each upright post (113), and the height of each second groove (123) is not smaller than the height of each upright post (113); the overlapping part (121) is positioned around the bottom of the electric wire locating piece (12), two first grooves (122) are symmetrically positioned on two opposite sides of the electric wire locating piece (12), two second grooves (123) are symmetrically positioned on two other opposite sides of the electric wire locating piece (12), and when the electric wire locating piece (12) is arranged in the lamp holder (11), the bottom of the overlapping part (121) is overlapped on the top of the first boss (112) and enables the bottom of the overlapping part (121) to be in butt joint with the top of the first boss (112);

The circle centers of the two first grooves (122) and the circle centers of the two through holes (111) are staggered, so that two fixing holes with the aperture not larger than the diameter of the electric wire (30) are formed after the two first grooves (122) and the two through holes (111) are overlapped up and down, the electric wire (30) penetrating through the through holes (111) is tightly wrapped and fixed through the fixing holes, and the joint of the lamp holder (11) and the electric wire locating piece (12) and the electric wire (30) is of a closed structure.

2. The full waterproof lamp string according to claim 1, wherein a circle of first clamping grooves (114) are formed in the radial direction of the inner side wall of the lamp holder (11) of the waterproof lamp cap (10), a second boss (131) is arranged in the radial direction of one end, connected with the lamp holder (11), of the lamp cover (13), the outer diameter of one end, connected with the lamp holder (11), of the lamp cover (13) is identical to the inner diameter of the lamp holder (11), and when the lamp cover (13) is clamped on the lamp holder (11), the second boss (131) is clamped with the first clamping grooves (114) and enables the joint of the lamp cover (13) and the lamp holder (11) to be of a closed structure.

3. The full waterproof string light of claim 1, wherein the waterproof lamp cap (10) further comprises a flower (14), and the flower (14) is arranged on the lamp shade (13) and is clamped with the lamp shade (13); and is also provided with

A circle of second clamping grooves (141) and a circle of first concave-convex grooves (142) are formed in the inner side wall of the sleeve flower (14), wherein the second clamping grooves (141) are formed in the radial direction of the sleeve flower (14), and the first concave-convex grooves (142) are formed in the axial direction of the sleeve flower (14); the utility model discloses a lamp shade (13) is provided with third boss (132) and round second tongue-and-groove (133) on the outside surface, third boss (132) are followed radial direction setting of lamp shade (13) is located lamp shade (13) middle part, second tongue-and-groove (133) are followed axial direction setting of lamp shade (13) is located and is close to the one end at lamp shade (13) top, cover flower (14) cup joint in when on lamp shade (13), second draw-in groove (141) with third boss (132) joint, first tongue-and-groove (142) with second tongue-and-groove (133) interlock each other.

4. The full waterproof string light according to claim 1, characterized in that a riveted terminal (31) is provided between the end of the wire (30) in the lamp holder (11) of the waterproof lamp cap (10) and the pin of the LED lamp, the riveted terminal (31) has a first cladding (311) and a second cladding (312), the first cladding (311) is used for riveting with the core wire of the wire (30) end in the lamp holder (11) and fixedly connecting the riveted terminal (31) with the core wire of the wire (30) end, and the second cladding (312) is used for riveting with the pin of the LED lamp and fixedly connecting the LED lamp with the core wire of the wire (30) end through the riveted terminal (31).

5. The full waterproof light string according to claim 1, wherein the in-line plug (21), the back plug (22) and the plug (24) of the waterproof power plug assembly are respectively provided with a first sealing groove (211), a second sealing groove (221) and a third sealing groove (241), and the sealing assembly is a sealing ring placed in the first sealing groove (211), the second sealing groove (221) and the third sealing groove (241);

two slots (252) and a third clamping groove (253) and a clamping stopping part (254) which are positioned between the two slots (252) are arranged in the middle of one surface of the anti-falling buckle (25) contacted with the anti-falling buckle fixing part (26), and a buckling part (251) is arranged at the end of one surface of the anti-falling buckle (25) contacted with the anti-falling buckle fixing part (26);

the anti-falling buckle fixing parts (26) arranged on the back plug (22) and the tail plug socket (23) comprise two inserting sheets (261), and a back buckling part (262) is arranged between the two inserting sheets (261);

when the anti-falling buckle (25) is fixed on the anti-falling buckle fixing part (26), the inserting piece (261) is inserted into the inserting groove (252), the back-off part (262) is buckled in the third clamping groove (253) and is abutted with the anti-falling buckle part (254), so that the anti-falling buckle (25) cannot be separated from the anti-falling buckle fixing part (26);

When at least two of the direct plug (21), the back plug (22), the tail plug socket (23) and the plug (24) are connected, the buckling part (251) of the anti-falling buckle (25) is clamped in the anti-falling clamping groove (27), so that the connecting part is clamped firmly and fixed.

6. The full waterproof light string according to claim 1, characterized in that a fixing through hole (242) is arranged on the top of the plug (24) of the waterproof power plug assembly, two symmetrical arc-shaped grooves (243) are arranged on the top of the plug (24) and concentric with the fixing through hole (242) at the outer circumference, and a notch (244) is arranged between the two arc-shaped grooves (243);

a fourth boss (245), a fifth boss (246) and a sixth boss (247) are arranged on the shell of the back plug (22) and the tail plug socket (23), wherein the fifth boss (246) and the sixth boss (247) are positioned on two sides of the fourth boss (245);

when the back plug (22) and the tail plug socket (23) provided with the plugs (24) are connected with other plug assemblies, the plugs (24) arranged in the back plug (22) and the tail plug socket (23) are taken out and fixed on the shells of the back plug (22) and the tail plug socket (23); the plug (24) is fixed on the shell of the back plug (22) and the tail plug socket (23) in the following way: the fourth boss (245) is inserted into the fixing through hole (242), the top of the fourth boss (245) is clamped into the inner side of the top of the plug (24) by rotating the plug (24) by 90 degrees, and meanwhile the fifth boss (246) and the sixth boss (247) are respectively embedded into the two notches (244) between the arc-shaped grooves (243).

7. The full waterproof light string according to claim 1, characterized in that circuit boards are arranged in the direct plug (21), the back plug (22) and the tail plug socket (23) of the waterproof power plug assembly, and communication lines for connecting an alternating current power supply of an input end to an output end are arranged on the circuit boards; or a rectifying circuit for converting the alternating current power supply at the input end into the direct current power supply at the output end is arranged; or a time control circuit for controlling the on-off of the power supply of the output end is arranged; and is also provided with

The electric wire fixing device is characterized in that a sealed cavity for placing the circuit board is further arranged in the direct plug (21), the back plug (22) and the tail plug socket (23), electric wire locating pieces are respectively arranged at an electric wire inlet and an electric wire outlet of the sealed cavity, the electric wire locating pieces fix the electric wire on the sealed cavity and seal the electric wire inlet and the electric wire outlet, insulating sealant is filled in the sealed cavity, and the circuit board and electric appliance elements on the circuit board in the sealed cavity are wrapped, covered and fixed after the insulating sealant is solidified.

8. The completely waterproof string light according to any one of claims 1 to 7, characterized in that it is composed of a plurality of the waterproof lamp heads (10) and the in-line plug (21) connected with a plurality of the waterproof lamp heads (10) through the electric wire (30); or the full waterproof lamp string consists of a plurality of waterproof lamp caps (10), the direct plug (21) connected with the waterproof lamp caps (10) through the electric wires (30), and the tail plug socket (23) plus the plug (24); or the full waterproof lamp string consists of a plurality of waterproof lamp caps (10) and the back plug (22) and the plug (24) which are connected with the waterproof lamp caps (10) through the electric wires (30); or the full waterproof lamp string consists of a plurality of waterproof lamp caps (10), the back plug (22) connected with the waterproof lamp caps (10) through the wires (30) and the plug (24), and the tail plug socket (23) and the plug (24);

When at least two strings of the full waterproof light strings are connected and used, the straight plug (21) or the back plug (22) of one string of the full waterproof light strings is connected with the back plug part or the tail plug socket (23) of the back plug (22) of the other string of the full waterproof light strings.

9. The full waterproof light string according to claim 8, further comprising a power plug conversion part (40), the power plug conversion part (40) being composed of a power plug (41) connected with the tail plug socket (23) through an electric wire (30), and the full waterproof light string being connected with the tail plug socket (23) of the power plug conversion part (40) through the in-line plug (21) or the back plug (22), so that the full waterproof light string can be connected with an external power source through the power plug (41) of the power plug conversion part (40).