CN213278522U

CN213278522U - Waterproof voltage stabilizing plug

Info

Publication number: CN213278522U
Application number: CN202021991958.9U
Authority: CN
Inventors: 吴永
Original assignee: Taizhou Mingxia Electronic Technology Co ltd
Current assignee: Taizhou Mingxia Electronic Technology Co ltd
Priority date: 2020-09-13
Filing date: 2020-09-13
Publication date: 2021-05-25
Anticipated expiration: 2030-09-13

Abstract

The utility model provides a waterproof steady voltage plug belongs to plug technical field. The plug solves the technical problems of poor waterproofness, low adaptability and the like of the existing plug. This waterproof steady voltage plug includes plug main part and hou gai, in the grafting portion of plug main part can insert the hou gai, be equipped with the sealing washer in the mounting groove that sets up on the grafting portion trailing flank, be equipped with electric wire interface and through-hole on the rear end face of back lid, the through-hole internal seal is fixed with rubber button, rubber button's front end supports with button switch's rear end and leans on, the outside shaping of preceding tip of plug main part has the installation department, be equipped with the sucking disc on the preceding terminal surface of installation department, participate in and be located the sucking disc inboard. The utility model discloses well mounting groove and sealing washer's design can realize the back lid and the plug main part between sealed, and the sealed of button department can be realized to the design of sealed fixed rubber button to realize whole steady voltage plug cavity and external sealed, waterproof performance is better.

Description

Waterproof voltage stabilizing plug

Technical Field

The utility model belongs to the technical field of the plug, refer in particular to a waterproof steady voltage plug.

Background

A power plug is one of electrical wiring appliances, and is a connection appliance that is provided at an end of a power cable connected to an electrical appliance and is used by being inserted into a socket. Generally, electric power supplied to a home or a factory is connected to an electric outlet, and a plug of an electric appliance is inserted into the electric outlet to supply electric power to the electric appliance to operate the electric appliance.

However, some electrical appliances have relatively high requirements on voltage, and at this time, a general power plug cannot meet the requirements. In order to solve the technical problem, a voltage stabilizing plug with a built-in voltage stabilizing circuit is provided, the voltage stabilizing plug can stably output the voltage required by an electric appliance, and the safety is high; however, since the voltage stabilizing plug is internally provided with a voltage stabilizing circuit, if the voltage stabilizing plug is placed in an open air environment or a humid environment, water vapor or rainwater enters the voltage stabilizing plug, and a circuit board is easily short-circuited, so that the voltage stabilizing plug is damaged, and even an electric appliance is damaged.

Disclosure of Invention

The utility model aims at providing a better, can waterproof steady voltage plug of leakproofness.

The purpose of the utility model is realized like this:

the utility model provides a waterproof steady voltage plug, includes plug main part, back lid and voltage stabilizing plate, plug main part and back lid can be dismantled fixedly, the voltage stabilizing plate is fixed in the cavity that plug main part and back lid enclose, sealed being fixed with on the preceding terminal surface of plug main part participates in its characterized in that: including fixed plug main part of joint and hou gai, the rear end opening of plug main part and the rear end portion of plug main part are equipped with outside convex grafting portion, grafting portion can insert in the back lid and grafting portion can be fixed with the fixture block joint of covering after, be equipped with annular mounting groove on the trailing flank of grafting portion, be equipped with the sealing washer in the mounting groove, the sealing washer can with the inside wall of back lid supports and sealing connection, be equipped with electric wire interface and through-hole on the rear end face of back lid, the through-hole corresponds the setting with the button switch on the voltage stabilizing plate, the through-hole internal seal is fixed with rubber button, rubber button's front end supports with button switch's rear end and supports and leans on, the outside shaping of front end portion of plug main part has the installation department, be equipped with the sucking disc on the preceding terminal surface of installation department, participate in and be.

The design of the mounting groove and the sealing ring can realize the sealing between the rear cover and the plug main body, and the design of the rubber button for sealing and fixing can realize the sealing at the button, so that the sealing between the whole voltage stabilizing plug cavity and the outside is realized, the waterproof performance is better, the external rainwater or water vapor is prevented from entering the voltage stabilizing plug, and the stability and the safety are higher; furthermore, the front end surface of the mounting part is provided with a sucker which can be adsorbed on the surface of the socket after the voltage stabilizing plug is inserted into the socket, so that external rainwater or vapor is prevented from entering the joint of the voltage stabilizing plug and the socket, and the waterproof performance is improved; further, for the convenience of the extraction of steady voltage plug, can set up the little arch of column on the side that is close to the mounting groove of sucking disc, can stimulate this little arch earlier before extracting steady voltage plug, make the sucking disc not adsorb in the socket surface, then extract steady voltage plug again.

Furthermore, an annular first water guide groove is formed in the inner wall face, matched with the outer side wall of the insertion part, of the rear cover, an annular second water guide groove is formed in the outer wall face, close to the insertion part, of the plug main body, the first water guide groove and the second water guide groove are located on the front side of the sealing ring and are arranged oppositely, and a water outlet hole is formed in the lower end of the first water guide groove.

The design of first guiding gutter and second guiding gutter can be with the drop of water that gets into grafting portion and back lid junction guide downwards to make it finally flow from the apopore of first guiding gutter lower extreme, avoid because grafting portion and back lid junction store and have more drop of water and the condition that appears oozing into in the cavity appears, be favorable to further improving this steady voltage plug's leakproofness.

Furthermore, guide grooves are transversely formed in the inner side faces of the left side wall and the right side wall of the plug main body, the guide grooves are located at the upper end portions of the left side wall and the right side wall of the plug main body, and the pressure stabilizing plate can be inserted into the plug main body from the rear end of the plug main body along the guide grooves.

The design of above-mentioned guide way not only can be used for fixed voltage stabilizing plate, can also make the unsettled upper end that is fixed in plug main body of voltage stabilizing plate, even there is the water seepage to come in the cavity, water also can flow the lower tip of plug main body, and can not exert an influence to the voltage stabilizing plate that is fixed in plug main body upper end, consequently, this design can further improve the stability and the security of this voltage stabilizing plug.

Furthermore, the rubber button comprises a cylindrical main body and an umbrella-shaped cap body, the maximum diameter of the cap body is larger than the diameter of the through hole, the main body penetrates through the through hole of the rear cover, the cap body is located on the rear side of the rear cover and fixedly connected with the main body, an outwards-protruding limiting bulge is formed at the front end of the main body, and the limiting bulge is located in the rear cover and tightly attached to the front end face of the rear side wall of the rear cover.

The structure of the rubber button can play a good sealing effect, and meanwhile, the rubber button has soft hand feeling, and the pressing comfort is improved.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses the design of well mounting groove and sealing washer can realize the sealed between back lid and the plug main part, and the design of the rubber button of sealed fixed can realize the sealed of button department to realize the sealed of whole steady voltage plug cavity and external world, waterproof performance is better, avoids external rainwater or steam to get into steady voltage plug inside, and stability and security are higher; further, set up the sucking disc on the preceding terminal surface of installation department, this sucking disc can insert the socket after the steady voltage plug with adsorb in the socket surface, avoid external rainwater or steam to get into the junction of steady voltage plug and socket, be favorable to improving waterproof performance.

Drawings

Fig. 1 is an overall sectional view of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the rubber button of the present invention.

In the figure, 1, a plug main body; 11. a pin; 12. a plug-in part; 13. mounting grooves; 14. a seal ring; 15. an installation part; 16. a suction cup; 17. a second water chute; 18. a guide groove; 2. a rear cover; 21. an electrical wire interface; 22. a through hole; 23. a rubber button; 231. a main body; 232. a cap body; 233. a limiting bulge; 24. a first water chute; 25. a water outlet hole; 3. and (5) stabilizing the plate.

Detailed Description

The invention will be further described with reference to specific embodiments in conjunction with the accompanying drawings, see fig. 1-3:

the waterproof voltage stabilizing plug comprises a plug main body 1, a rear cover 2 and a voltage stabilizing plate 3, wherein the plug main body 1 and the rear cover 2 are detachably fixed, the voltage stabilizing plate 3 is fixed in a cavity enclosed by the plug main body 1 and the rear cover 2, a pin 11 is fixed on the front end surface of the plug main body 1 in a sealing manner, the plug main body 1 and the rear cover 2 are fixedly clamped, the rear end of the plug main body 1 is opened, the rear end part of the plug main body 1 is provided with an insertion part 12 protruding outwards, the insertion part 12 can be inserted into the rear cover 2 and the insertion part 12 can be clamped and fixed with a clamping block on the rear cover 2, the rear side surface of the insertion part 12 is provided with an annular mounting groove 13, a sealing ring 14 is arranged in the mounting groove 13, the sealing ring 14 can be abutted against and connected with the inner side wall of the rear cover 2 in a sealing manner, the rear end surface of the rear cover 2 is provided with an electric wire interface 21 and a through hole, the front end of the rubber button 23 is abutted against the rear end of the button switch, the front end part of the plug main body 1 is outwards formed with an installation part 15, the front end surface of the installation part 15 is provided with a sucker 16, and the pin 11 is positioned on the inner side of the sucker 16. The design of the mounting groove 13 and the sealing ring 14 can realize the sealing between the rear cover 2 and the plug main body 1, and the design of the rubber button 23 fixed in a sealing way can realize the sealing at the button, so that the sealing between the whole voltage stabilizing plug cavity and the outside is realized, the waterproof performance is better, the outside rainwater or water vapor is prevented from entering the voltage stabilizing plug, and the stability and the safety are higher; furthermore, a sucker 16 is arranged on the front end face of the mounting part 15, and the sucker 16 can be adsorbed on the surface of the socket after the voltage stabilizing plug is inserted into the socket, so that external rainwater or water vapor is prevented from entering the joint of the voltage stabilizing plug and the socket, and the waterproof performance is improved; further, in order to facilitate the extraction of the voltage stabilizing plug, a cylindrical small protrusion can be arranged on the side surface, close to the mounting groove 13, of the suction cup 16, and the small protrusion can be pulled first before the voltage stabilizing plug is extracted, so that the suction cup 16 is not adsorbed on the surface of the socket, and then the voltage stabilizing plug is extracted.

Furthermore, an annular first water guiding groove 24 is formed in the inner wall face of the outer wall matched with the outer wall of the rear cover 2 and the insertion part 12, an annular second water guiding groove 17 is formed in the outer wall face, close to the insertion part 12, of the plug main body 1, the first water guiding groove 24 and the second water guiding groove 17 are located on the front side of the sealing ring 14 and are arranged oppositely, and a water outlet hole 25 is formed in the lower end of the first water guiding groove 24. The design of the first water chute 24 and the second water chute 17 can guide the water drops entering the joint of the insertion part 12 and the rear cover 2 downwards, and finally the water drops flow out of the water outlet hole 25 at the lower end of the first water chute 24, so that the situation that the water drops seep into the cavity due to the fact that more water drops are stored at the joint of the insertion part 12 and the rear cover 2 is avoided, and the sealing performance of the voltage stabilizing plug is further improved.

Further, the inner side surfaces of the left and right side walls of the plug main body 1 are both provided with guide grooves 18 along the transverse direction, the guide grooves 18 are positioned at the upper end parts of the left and right side walls of the plug main body 1, and the voltage stabilizing plate 3 can be inserted into the plug main body 1 from the rear end of the plug main body 1 along the guide grooves 18. Above-mentioned guide way 18's design not only can be used for fixing voltage stabilizing plate 3, can also make voltage stabilizing plate 3 unsettled be fixed in the upper end of plug main part 1, even there is the water seepage to come in the cavity, water also can flow the lower tip of plug main part 1, and can not exert an influence to voltage stabilizing plate 3 that is fixed in the upper end of plug main part 1, consequently, this design can further improve this voltage stabilizing plug's stability and security.

Further, the rubber button 23 includes a cylindrical main body 231 and an umbrella-shaped cap body 232, the maximum diameter of the cap body 232 is larger than the diameter of the through hole 22, the main body 231 penetrates through the through hole 22 of the rear cover 2, the cap body 232 is located at the rear side of the rear cover 2 and is fixedly connected with the main body 231, a limiting protrusion 233 protruding outwards is formed at the front end of the main body 231, and the limiting protrusion 233 is located in the rear cover 2 and is closely attached to the front end face of the rear side wall of the rear cover 2. The structure of the rubber button 23 can play a good sealing effect, and meanwhile, the rubber button has soft hand feeling, and the pressing comfort is improved.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a waterproof steady voltage plug, includes plug main part (1), back lid (2) and voltage stabilizing plate (3), plug main part (1) and back lid (2) can be dismantled fixedly, in voltage stabilizing plate (3) were fixed in the cavity that plug main part (1) and back lid (2) enclose, sealed being fixed with on the preceding terminal surface of plug main part (1) participates in (11), its characterized in that: the plug comprises a plug main body (1) and a rear cover (2) which are fixedly clamped, wherein the rear end of the plug main body (1) is opened, an outwards convex inserting part (12) is arranged at the rear end part of the plug main body (1), the inserting part (12) can be inserted into the rear cover (2), the inserting part (12) can be fixedly clamped with a clamping block on the rear cover (2), an annular mounting groove (13) is formed in the rear side surface of the inserting part (12), a sealing ring (14) is arranged in the mounting groove (13), the sealing ring (14) can be abutted against and hermetically connected with the inner side wall of the rear cover (2), an electric wire interface (21) and a through hole (22) are formed in the rear end surface of the rear cover (2), the through hole (22) is correspondingly arranged with a button switch on a pressure stabilizing plate (3), a rubber button (23) is hermetically fixed in the through hole (22), and the front end of the rubber button (23) is abutted against the rear end of the button switch, the plug comprises a plug main body (1), wherein an installation part (15) is formed at the front end part of the plug main body outwards, a sucker (16) is arranged on the front end face of the installation part (15), and a pin (11) is located on the inner side of the sucker (16).

2. A waterproof, voltage-stabilizing plug according to claim 1, characterized in that: the plug is characterized in that an annular first water guide groove (24) is formed in the inner wall face of the outer wall matched with the outer wall of the plug part (12) of the rear cover (2), an annular second water guide groove (17) is formed in the outer wall face, close to the plug part (12), of the plug main body (1), the first water guide groove (24) and the second water guide groove (17) are located on the front side of the sealing ring (14) and are arranged oppositely, and a water outlet hole (25) is formed in the lower end of the first water guide groove (24).

3. A waterproof, voltage-stabilizing plug according to claim 1, characterized in that: all be equipped with guide way (18) along transversely on the medial surface of plug main part (1) left and right sides wall, guide way (18) are located the upper end of plug main part (1) left and right sides wall, hold-down plate (3) can follow the rear end of plug main part (1) and insert in plug main part (1) along guide way (18).

4. A waterproof voltage-stabilizing plug according to any one of claims 1 to 3, characterized in that: the rubber button (23) comprises a cylindrical main body (231) and an umbrella-shaped cap body (232), the maximum diameter of the cap body (232) is larger than the diameter of the through hole (22), the main body (231) penetrates through the through hole (22) of the rear cover (2), the cap body (232) is located on the rear side of the rear cover (2) and fixedly connected with the main body (231), an outward convex limiting protrusion (233) is formed at the front end of the main body (231), and the limiting protrusion (233) is located in the rear cover (2) and is tightly attached to the front end face of the rear side wall of the rear cover (2).