CN113346281B

CN113346281B - Outdoor waterproof plug and socket assembly

Info

Publication number: CN113346281B
Application number: CN202110683405.XA
Authority: CN
Inventors: 丁银芳; 卢正云; 万有俊; 姜雨婷
Original assignee: Etman Electric Changzhou Co Ltd
Current assignee: Etman Electric Changzhou Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2023-01-31
Anticipated expiration: 2041-06-21
Also published as: CN113346281A

Abstract

The invention relates to the technical field of electrical appliance connecting pieces, in particular to an outdoor waterproof plug and socket assembly, wherein the plug and the socket are in pluggable connection; a sealing ring is arranged on the inner wall of the socket of the plastic shell, a mounting hole is formed in the support, a bolt is inserted in the mounting hole, a sealing ring piece is arranged between the mounting hole and the bolt, and the sealing ring piece is sleeved on the bolt; the end portion of socket installs rather than complex flip, be equipped with the sealing member on the socket inner wall of socket, flip's inner cup is equipped with the mounting groove on the surface, the embedded sealing washer that is equipped with of mounting groove, the socket closes the back with the flip lid, it is sealed to cooperate to form between sealing washer and the sealing member, and it walks the basin to have between socket and the flip, realize outdoor power supply, combination through multiple sealing and constriction, effectively prevent liquid, dust enters into in plug and the socket sub-assembly, waterproof dustproof effectual, reach IP 55's standard, high safety factor, and use simple to operate, greatly increased the convenience of use.

Description

Outdoor waterproof plug and socket assembly

Technical Field

The invention relates to the technical field of electrical appliance connecting pieces, in particular to an outdoor waterproof plug and socket assembly.

Background

When the outdoor needs lighting or the electric tools such as a mower need power supply, a plug is required to be inserted into a socket to realize power supply of the electric tools such as a lighting lamp or the mower, and the existing socket generally adopts an extension line socket to take power or an extension line plug to take power indoors, so that a plug and socket assembly is generally only suitable for indoor use, is directly placed outdoors without any waterproof measure, is easy to generate a safety accident of electric shock caused by water and electricity leakage, and cannot be used outdoors; in addition, the cables connected to the plug and socket assembly cannot be retracted and arranged, so that poor sealing performance of the tail is easily caused, and dust and liquid can flow backwards from the tail of the socket into the socket.

Therefore, there is a need in the market for a plug and socket assembly for outdoor use, which can supply power outdoors.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the waterproof garden plug and socket assembly can supply power outdoors, and greatly increases the use convenience.

The technical scheme adopted by the invention for solving the technical problems is as follows: an outdoor waterproof plug and socket assembly comprises a plug and a socket, wherein the plug and the socket are both of hollow structures, and the plug and the socket are in pluggable connection; the plug comprises a plastic shell and a support, the support is inserted into the plastic shell, a sealing ring is arranged on the inner wall of a socket of the plastic shell, a mounting hole is formed in the support, a bolt is inserted into the mounting hole, a sealing ring piece is arranged between the mounting hole and the bolt, and the sealing ring piece is sleeved on the bolt and used for sealing a gap between the mounting hole and the bolt; the socket comprises a socket body and a flip, wherein the end part of the socket body is provided with the flip matched with the socket body, a sealing element is arranged on the inner wall of a socket of the socket body and is close to the edge of the socket body, the inner cover of the flip is provided with a mounting groove on the surface, a sealing ring is embedded in the mounting groove, the socket body and the flip cover are closed, the sealing ring and the sealing element are matched to form sealing, and a water outlet groove is formed between the socket body and the flip.

Furthermore, a nut is screwed on the tail rod of the plastic shell and the socket body, the tail rod of the plastic shell and the tail rod of the socket body are both provided with an external thread part and a contraction part, the contraction part is provided with a central hole, a combined sealing ring is embedded in the central hole, the combined sealing ring is sleeved on the cable in a penetrating way, a plurality of contraction grooves are distributed on the side wall of the contraction part in an equal distribution mode, the contraction grooves extend axially, one end of each contraction groove is an open end, the end part of the tail rod of the plastic shell and the socket body is opened, and the other end of each contraction groove is a closed end and is close to the external thread part; the lower end of the inner cavity of the nut is an inner cone which is folded downwards and matched with the contraction part, and the upper end of the inner cavity of the nut is also provided with an inner thread part which is used for being in threaded fit with an outer thread part on a tail rod of a plastic shell or a socket body.

Furthermore, a plurality of sealing grooves are formed in the inner wall of the sealing element.

Further, the sealing washer divide into embedding part and sealing, the embedding part inlays to be established in the mounting groove, is equipped with cyclic annular arch on the peripheral surface of embedding part, is equipped with a plurality of archs on the two inslot walls of mounting groove for improve the frictional force of mounting groove and close embedding part, the sealing is the slope sealing, and is double-deck setting, and the vertical cross section shape of sealing is "eight" font, and the socket body closes the back with flip lid, and the sealing embedding is in the seal groove.

Furthermore, the combined sealing ring is composed of a plurality of sealing rings with different diameters, and a nesting doll type structure is adopted between the sealing rings for sealing cables with different diameters.

Furthermore, the inner cavities of the tail rods of the plastic shell and the socket body are respectively provided with a convex ring for supporting the combined sealing ring to prevent the combined sealing ring from extending into the plastic shell or the socket body.

Further, for better waterproofing, the top surface of the seal is slightly higher than the top surface of the insertion opening in the socket body.

The waterproof and dustproof plug and socket assembly has the beneficial effects that the defects in the background technology are overcome, the structure is simple, the outdoor power supply can be realized, the liquid and dust are effectively prevented from entering the plug and socket assembly through the combination of multiple sealing parts and contraction parts, the waterproof and dustproof effect is good, the standard of IP55 is reached, the safety coefficient is high, the use and the installation are convenient, and the use convenience is greatly improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of the socket of the present invention;

FIG. 3 is a schematic structural diagram of the socket of the present invention after the flip cover is opened;

FIG. 4 is an exploded view of the socket of the present invention;

FIG. 5 is a structural view of the plug of the present invention;

FIG. 6 is a schematic view of the construction of the present invention after the plug pin is pulled out;

FIG. 7 is an exploded view of the plug of the present invention;

FIG. 8 is a schematic view of the construction of the seal ring of the present invention;

fig. 9 is a schematic structural diagram of the flip cover of the present invention;

FIG. 10 is a cross-sectional view of the socket body and molded case tail bar of the present invention;

FIG. 11 is a cross-sectional view of the nut of the present invention

Fig. 12 is an exploded view of the composite seal ring of the present invention.

In the figure: 1. the plug, 2, the socket, 3, the socket body, 4, the flip cover, 5, the plastic shell, 6, the support, 7, the mounting groove, 8, the sealing ring, 9, the sealing ring, 10, the mounting hole, 11, the plug, 12, the sealing ring piece, 13, the nut, 14, the external thread part, 15, a contraction part, 16, a combined sealing ring, 17, a water tank, 18, a sealing piece, 19, a contraction groove, 20, an inner cone part, 21, an inner thread part, 22, a sealing groove, 23, an embedded part, 24, a sealing part and 25, a convex ring.

Detailed Description

The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic diagrams each illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention.

The outdoor waterproof plug and socket assembly shown in fig. 1 comprises a plug 1 and a socket 2, wherein the plug 1 and the socket 2 are both hollow structures, and the plug 1 and the socket 2 are in pluggable connection;

as shown in fig. 5 to 7, the plug 1 includes a plastic housing 5 and a bracket 6, the bracket 6 is inserted into the plastic housing 5, a sealing ring 9 is arranged on an inner wall of a socket of the plastic housing 5, the sealing ring 9 is adhered to an inner wall of a heating socket of the plastic housing 5, a mounting hole 10 is arranged on the bracket 6, a plug pin 11 is inserted into the mounting hole 10, a cable is fixed at a lower end of the plug pin 11 through a bolt, a sealing ring 12 is arranged between the mounting hole 10 and the plug pin 11, and the sealing ring 12 is sleeved on the plug pin 11 to seal a gap between the mounting hole 10 and the plug pin 11;

as shown in fig. 2 to 4, the socket 2 includes a socket body 3 and a flip 4, the end of the socket body 3 is provided with the flip 4 matched with the end, a screw cap 13 is screwed on a tail rod of the socket body 3, a sealing member 18 is arranged on an inner wall of a socket of the socket body 3, the sealing member 18 is adhered to the inner wall of the socket body 3, the sealing member 18 is arranged near an edge of the socket body 3, an inner cover of the flip 4 is provided with a mounting groove 7 on a surface, a sealing ring 8 is embedded in the mounting groove 7, after the socket body 3 is covered with the flip 4, the sealing ring 8 is matched with the sealing member 18 to form a seal, a water passing groove 17 is formed between the socket body 3 and the flip 4, and a top surface of the sealing member 18 is slightly higher than a top surface of the socket in the socket body 3.

Wherein, be equipped with in the socket of the socket body 3 with 1 quantity of plug, shape matched with jack, install binding post in the socket body 3, binding post and cable are connected.

As shown in fig. 10, a nut 13 is screwed on the tail rod of the plastic shell 5 and the socket body 3, the tail rod of the plastic shell 5 and the socket body 3 are both provided with an external thread portion 14 and a contraction portion 15, the contraction portion 15 is provided with a central hole, a combined sealing ring 16 is embedded in the central hole, the combined sealing ring 16 is sleeved on the cable in a penetrating manner, a plurality of contraction grooves 19 are evenly distributed on the side wall of the contraction portion 15, the contraction grooves 19 extend axially, one end of each contraction groove 19 is an open end, the end portion of the tail rod of the plastic shell 5 and the socket body 3 is open, and the other end of each contraction groove 19 is a closed end and is close to the external thread portion 14;

the lower end of the inner cavity of the nut 13 is an inner cone 20 which is folded downwards and is matched with the contraction part 15, and the upper end of the inner cavity of the nut 13 is also provided with an inner thread part 21 which is used for being in threaded fit with the outer thread part 14 on the tail rod of the plastic shell 5 or the socket body 3.

In addition, as shown in fig. 10, a protruding ring 25 is disposed in the inner cavity of the tail rod of the socket body 3 and the plastic shell 5 for abutting against the combined sealing ring 16 to prevent the combined sealing ring 16 from extending into the plastic shell 5 or the socket body 3.

The inner wall of the sealing element 18 is provided with a plurality of sealing grooves 22.

As shown in fig. 8 to 9, the seal ring 8 is divided into an insertion portion 23 and a sealing portion 24, the insertion portion 23 is inserted into the mounting groove 7, an annular protrusion is provided on the outer peripheral surface of the insertion portion 23, a plurality of protrusions are provided on the two inner walls of the mounting groove 7 to increase the friction force between the mounting groove 7 and the seal insertion portion 23, the sealing portion 24 is an inclined sealing portion and is formed in a double-layer manner, the vertical cross-sectional shape of the sealing portion 24 is in a shape of "eight", and the sealing portion 24 is inserted into the sealing groove 22 after the socket body 3 and the flip cover 4 are closed.

As shown in fig. 12, the combined sealing ring 16 is composed of a plurality of sealing rings with different diameters, and the sealing rings are combined by adopting a nesting doll type structure to adapt to the sealing of cables with different diameters.

The assembling process comprises the following steps:

firstly, the plug 1 and the socket 2 are initially installed with cables, the combination of the combined sealing ring 4 is selected according to the diameter of the cables, then the screw cap 13 and the combined sealing ring 16 are sequentially sleeved on the cables in a penetrating way, then the cables are inserted into the socket body 1 or the plastic shell 5,

secondly, assembling the plug 1, namely sleeving the sealing ring piece 12 on the plug pin 11, then inserting the plug pin 11 into the mounting hole 10, fixing the plug pin 11 to complete the sealing installation of the plug pin 11, and connecting a cable with the plug pin 11 to complete the connection of the cable;

assembling the socket 2, installing the sealing ring 8 in the installation groove 8, and connecting the cable with the jack;

and finally, inserting the combined sealing rings 16 on the plug 1 and the socket 2 into the contraction part 15 respectively, screwing the nut 13, and furling the cable to finish the installation of the plug 1 and the socket 2.

Before the use, one end of the plug 1 is connected with the courtyard equipment through a cable, one end of the socket 2 is connected with an indoor power grid, when the garden equipment is used, the plug 1 is inserted into the socket 2, and the courtyard equipment is started, so that the courtyard equipment can normally work; after the use is accomplished, extract plug 1, flip 2 passes through the automatic closed of spring, and the courtyard optional position that socket 2 can be placed makes things convenient for the continuation to use next time.

In summary, through the combination of multiple seals and constrictions, outdoor power supply can be realized, and the standard of IP55 is achieved.

While particular embodiments of the present invention have been described in the foregoing specification, various modifications, alterations and adaptations to those embodiments have been described herein without departing from the spirit and scope of the invention.

Claims

1. An outdoor waterproof plug and socket assembly characterized in that: the plug comprises a plug (1) and a socket (2), wherein the plug (1) and the socket (2) are both of hollow structures, and the plug (1) and the socket (2) are in pluggable connection;

the plug (1) comprises a plastic shell (5) and a support (6), the support (6) is inserted into the plastic shell (5), a sealing ring (9) is arranged on the inner wall of a socket of the plastic shell (5), a mounting hole (10) is formed in the support (6), a plug pin (11) is inserted into the mounting hole (10), a sealing ring piece (12) is arranged between the mounting hole (10) and the plug pin (11), and the sealing ring piece (12) is sleeved on the plug pin (11) and used for sealing a gap between the mounting hole (10) and the plug pin (11);

the socket (2) comprises a socket body (3) and a flip cover (4), the flip cover (4) matched with the socket body is installed at the end head part of the socket body (3), a sealing element (18) is arranged on the inner wall of a socket of the socket body (3), the sealing element (18) is arranged close to the edge of the socket body (3), an installation groove (7) is formed in the surface of an inner cover of the flip cover (4), a sealing ring (8) is embedded in the installation groove (7), after the socket body (3) is covered with the flip cover (4), the sealing ring (8) is matched with the sealing element (18) to form sealing, and a water passing groove (17) is formed between the socket body (3) and the flip cover (4);

sealing washer (8) divide into embedding part (23) and sealing part (24), embedding part (23) inlay and establish in mounting groove (7), sealing part (24) are the slope sealing part, the vertical cross section shape of sealing part (24) is "eight" font, socket body (3) and flip (4) lid close the back, sealing part (24) embedding is in seal groove (22).

2. An outdoor water resistant plug and socket assembly as claimed in claim 1 wherein: the tail rods of the plastic shell (5) and the socket body (3) are screwed with nuts (13), the tail rods of the plastic shell (5) and the socket body (3) are respectively provided with an external thread part (14) and a contraction part (15), the contraction part (15) is provided with a central hole, a combined sealing ring (16) is embedded in the central hole, the combined sealing ring (16) is sleeved on a cable in a penetrating way, the side wall of the contraction part (15) is evenly distributed with a plurality of contraction grooves (19), the contraction grooves (19) extend axially, one end of each contraction groove (19) is an open end, the end parts of the tail rods of the plastic shell (5) and the socket body (3) are opened, and the other end of each contraction groove is a closed end and is close to the external thread part (14);

the lower end of the inner cavity of the nut (13) is an inner conical part (20) which is folded downwards and matched with the contraction part (15), and the upper end of the inner cavity of the nut (13) is also provided with an inner threaded part (21) which is used for being in threaded fit with an outer threaded part (14) on a tail rod of the plastic shell (5) or the socket body (3).

3. An outdoor water resistant plug and socket assembly as claimed in claim 1 wherein: the inner wall of the sealing element (18) is provided with a plurality of sealing grooves (22).

4. An outdoor water resistant plug and socket assembly as claimed in claim 2 wherein: the combined sealing ring (16) is composed of a plurality of sealing rings with different diameters, and the sealing rings are combined by adopting a nesting doll type structure to be suitable for sealing cables with different diameters.

5. An outdoor water resistant plug and socket assembly as claimed in claim 2 wherein: and convex rings (25) are arranged in the inner cavities of the tail rods of the plastic shell (5) and the socket body (3) and used for abutting against the combined sealing ring (16) and preventing the combined sealing ring (16) from extending into the plastic shell (5) or the socket body (3).

6. An outdoor waterproof plug and socket assembly as in claim 3, wherein: the top surface of the sealing member (18) is slightly higher than the top surface of the insertion opening in the socket body (3).